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Merge branch 'master' into colorpicker2

pull/8215/head
robloo 4 years ago
committed by GitHub
parent
commit
bc21eb2bfe
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  1. 2
      .editorconfig
  2. 4
      native/Avalonia.Native/src/OSX/Avalonia.Native.OSX.xcodeproj/project.pbxproj
  3. 52
      native/Avalonia.Native/src/OSX/SystemDialogs.mm
  4. 3
      native/Avalonia.Native/src/OSX/WindowBaseImpl.mm
  5. 20
      native/Avalonia.Native/src/OSX/WindowImpl.mm
  6. 1
      samples/ControlCatalog.NetCore/Program.cs
  7. 1
      samples/ControlCatalog.Web/App.razor.cs
  8. 2
      samples/ControlCatalog/ControlCatalog.csproj
  9. 5
      samples/ControlCatalog/MainView.xaml
  10. 5
      samples/ControlCatalog/MainView.xaml.cs
  11. 76
      samples/ControlCatalog/Pages/DialogsPage.xaml
  12. 234
      samples/ControlCatalog/Pages/DialogsPage.xaml.cs
  13. 6
      samples/ControlCatalog/Pages/NumericUpDownPage.xaml
  14. 13
      samples/ControlCatalog/Pages/NumericUpDownPage.xaml.cs
  15. 235
      samples/ControlCatalog/Pages/PointerCanvas.cs
  16. 109
      samples/ControlCatalog/Pages/PointerContactsTab.cs
  17. 322
      samples/ControlCatalog/Pages/PointersPage.cs
  18. 66
      samples/ControlCatalog/Pages/PointersPage.xaml
  19. 78
      samples/ControlCatalog/Pages/PointersPage.xaml.cs
  20. 21
      samples/IntegrationTestApp/MainWindow.axaml
  21. 66
      samples/IntegrationTestApp/MainWindow.axaml.cs
  22. 35
      samples/IntegrationTestApp/ShowWindowTest.axaml
  23. 40
      samples/IntegrationTestApp/ShowWindowTest.axaml.cs
  24. 3
      src/Android/Avalonia.Android/AndroidPlatform.cs
  25. 32
      src/Android/Avalonia.Android/AvaloniaActivity.cs
  26. 8
      src/Android/Avalonia.Android/Platform/SkiaPlatform/TopLevelImpl.cs
  27. 244
      src/Android/Avalonia.Android/Platform/Storage/AndroidStorageItem.cs
  28. 177
      src/Android/Avalonia.Android/Platform/Storage/AndroidStorageProvider.cs
  29. 20
      src/Android/Avalonia.Android/SystemDialogImpl.cs
  30. 119
      src/Avalonia.Base/Controls/ResourceDictionary.cs
  31. 5
      src/Avalonia.Base/Input/GestureRecognizers/ScrollGestureRecognizer.cs
  32. 7
      src/Avalonia.Base/Input/IKeyboardDevice.cs
  33. 10
      src/Avalonia.Base/Input/IPenDevice.cs
  34. 43
      src/Avalonia.Base/Input/IPointer.cs
  35. 174
      src/Avalonia.Base/Input/PenDevice.cs
  36. 22
      src/Avalonia.Base/Input/PointerEventArgs.cs
  37. 125
      src/Avalonia.Base/Input/PointerPoint.cs
  38. 19
      src/Avalonia.Base/Input/Raw/RawPointerEventArgs.cs
  39. 17
      src/Avalonia.Base/Input/Raw/RawTouchEventArgs.cs
  40. 13
      src/Avalonia.Base/Input/TouchDevice.cs
  41. 10
      src/Avalonia.Base/Logging/LogArea.cs
  42. 8
      src/Avalonia.Base/Media/TextFormatting/TextFormatterImpl.cs
  43. 498
      src/Avalonia.Base/Media/TextFormatting/Unicode/BiDi.trie.cs
  44. 28
      src/Avalonia.Base/Media/TextFormatting/Unicode/BiDiAlgorithm.cs
  45. 25
      src/Avalonia.Base/Media/TextFormatting/Unicode/BiDiData.cs
  46. 44
      src/Avalonia.Base/Media/TextFormatting/Unicode/Codepoint.cs
  47. 7
      src/Avalonia.Base/Media/TextFormatting/Unicode/GraphemeBreak.cs
  48. 422
      src/Avalonia.Base/Media/TextFormatting/Unicode/GraphemeBreak.trie.cs
  49. 1
      src/Avalonia.Base/Media/TextFormatting/Unicode/LineBreakClass.cs
  50. 14
      src/Avalonia.Base/Media/TextFormatting/Unicode/LineBreakEnumerator.cs
  51. 5
      src/Avalonia.Base/Media/TextFormatting/Unicode/Script.cs
  52. 42
      src/Avalonia.Base/Media/TextFormatting/Unicode/UnicodeData.cs
  53. 1192
      src/Avalonia.Base/Media/TextFormatting/Unicode/UnicodeData.trie.cs
  54. 156
      src/Avalonia.Base/Media/TextFormatting/Unicode/UnicodeTrie.cs
  55. 14
      src/Avalonia.Base/Media/TextFormatting/Unicode/UnicodeTrieBuilder.cs
  56. 107
      src/Avalonia.Base/Platform/Storage/FileIO/BclStorageFile.cs
  57. 88
      src/Avalonia.Base/Platform/Storage/FileIO/BclStorageFolder.cs
  58. 35
      src/Avalonia.Base/Platform/Storage/FileIO/BclStorageProvider.cs
  59. 40
      src/Avalonia.Base/Platform/Storage/FileIO/StorageProviderHelpers.cs
  60. 44
      src/Avalonia.Base/Platform/Storage/FilePickerFileType.cs
  61. 48
      src/Avalonia.Base/Platform/Storage/FilePickerFileTypes.cs
  62. 19
      src/Avalonia.Base/Platform/Storage/FilePickerOpenOptions.cs
  63. 29
      src/Avalonia.Base/Platform/Storage/FilePickerSaveOptions.cs
  64. 12
      src/Avalonia.Base/Platform/Storage/FolderPickerOpenOptions.cs
  65. 20
      src/Avalonia.Base/Platform/Storage/IStorageBookmarkItem.cs
  66. 32
      src/Avalonia.Base/Platform/Storage/IStorageFile.cs
  67. 11
      src/Avalonia.Base/Platform/Storage/IStorageFolder.cs
  68. 53
      src/Avalonia.Base/Platform/Storage/IStorageItem.cs
  69. 56
      src/Avalonia.Base/Platform/Storage/IStorageProvider.cs
  70. 17
      src/Avalonia.Base/Platform/Storage/PickerOptions.cs
  71. 43
      src/Avalonia.Base/Platform/Storage/StorageItemProperties.cs
  72. 1
      src/Avalonia.Base/Rendering/SceneGraph/SceneBuilder.cs
  73. 2
      src/Avalonia.Base/Utilities/ArrayBuilder.cs
  74. 2
      src/Avalonia.Base/Utilities/ArraySlice.cs
  75. 40
      src/Avalonia.Base/Utilities/BidiDictionary.cs
  76. 4
      src/Avalonia.Base/ValueStore.cs
  77. 4
      src/Avalonia.Controls.DataGrid/DataGridCell.cs
  78. 1
      src/Avalonia.Controls/Flyouts/FlyoutBase.cs
  79. 12
      src/Avalonia.Controls/Platform/Dialogs/IStorageProviderFactory.cs
  80. 2
      src/Avalonia.Controls/Platform/Dialogs/ISystemDialogImpl.cs
  81. 74
      src/Avalonia.Controls/Platform/Dialogs/SystemDialogImpl.cs
  82. 11
      src/Avalonia.Controls/Platform/ITopLevelImplWithStorageProvider.cs
  83. 17
      src/Avalonia.Controls/Primitives/Popup.cs
  84. 10
      src/Avalonia.Controls/Primitives/TemplatedControl.cs
  85. 2
      src/Avalonia.Controls/Selection/InternalSelectionModel.cs
  86. 57
      src/Avalonia.Controls/SystemDialog.cs
  87. 5
      src/Avalonia.Controls/ToolTip.cs
  88. 15
      src/Avalonia.Controls/TopLevel.cs
  89. 52
      src/Avalonia.Controls/Window.cs
  90. 10
      src/Avalonia.Controls/WindowBase.cs
  91. 6
      src/Avalonia.DesignerSupport/Remote/PreviewerWindowImpl.cs
  92. 1
      src/Avalonia.DesignerSupport/Remote/PreviewerWindowingPlatform.cs
  93. 32
      src/Avalonia.DesignerSupport/Remote/Stubs.cs
  94. 108
      src/Avalonia.Diagnostics/Diagnostics/ViewModels/ControlDetailsViewModel.cs
  95. 28
      src/Avalonia.Diagnostics/Diagnostics/ViewModels/ControlLayoutViewModel.cs
  96. 6
      src/Avalonia.Diagnostics/Diagnostics/Views/ControlDetailsView.xaml
  97. 2
      src/Avalonia.Diagnostics/Diagnostics/Views/ControlDetailsView.xaml.cs
  98. 4
      src/Avalonia.Dialogs/Avalonia.Dialogs.csproj
  99. 35
      src/Avalonia.Dialogs/ManagedFileChooserFilterViewModel.cs
  100. 97
      src/Avalonia.Dialogs/ManagedFileChooserViewModel.cs

2
.editorconfig

@ -21,7 +21,7 @@ csharp_new_line_before_finally = true
csharp_new_line_before_members_in_object_initializers = true
csharp_new_line_before_members_in_anonymous_types = true
csharp_new_line_between_query_expression_clauses = true
trim_trailing_whitespace = true
# trim_trailing_whitespace = true
# Indentation preferences
csharp_indent_block_contents = true

4
native/Avalonia.Native/src/OSX/Avalonia.Native.OSX.xcodeproj/project.pbxproj

@ -49,6 +49,7 @@
AB8F7D6B21482D7F0057DBA5 /* platformthreading.mm in Sources */ = {isa = PBXBuildFile; fileRef = AB8F7D6A21482D7F0057DBA5 /* platformthreading.mm */; };
BC11A5BE2608D58F0017BAD0 /* automation.h in Headers */ = {isa = PBXBuildFile; fileRef = BC11A5BC2608D58F0017BAD0 /* automation.h */; };
BC11A5BF2608D58F0017BAD0 /* automation.mm in Sources */ = {isa = PBXBuildFile; fileRef = BC11A5BD2608D58F0017BAD0 /* automation.mm */; };
ED3791C42862E1F40080BD62 /* UniformTypeIdentifiers.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = ED3791C32862E1F40080BD62 /* UniformTypeIdentifiers.framework */; };
/* End PBXBuildFile section */
/* Begin PBXFileReference section */
@ -101,6 +102,7 @@
AB8F7D6A21482D7F0057DBA5 /* platformthreading.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = platformthreading.mm; sourceTree = "<group>"; };
BC11A5BC2608D58F0017BAD0 /* automation.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = automation.h; sourceTree = "<group>"; };
BC11A5BD2608D58F0017BAD0 /* automation.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = automation.mm; sourceTree = "<group>"; };
ED3791C32862E1F40080BD62 /* UniformTypeIdentifiers.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UniformTypeIdentifiers.framework; path = System/Library/Frameworks/UniformTypeIdentifiers.framework; sourceTree = SDKROOT; };
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
@ -108,6 +110,7 @@
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
files = (
ED3791C42862E1F40080BD62 /* UniformTypeIdentifiers.framework in Frameworks */,
1A3E5EB023E9FE8300EDE661 /* QuartzCore.framework in Frameworks */,
1A3E5EAA23E9F26C00EDE661 /* IOSurface.framework in Frameworks */,
AB1E522C217613570091CD71 /* OpenGL.framework in Frameworks */,
@ -122,6 +125,7 @@
AB661C1C2148230E00291242 /* Frameworks */ = {
isa = PBXGroup;
children = (
ED3791C32862E1F40080BD62 /* UniformTypeIdentifiers.framework */,
522D5958258159C1006F7F7A /* Carbon.framework */,
1A3E5EAF23E9FE8300EDE661 /* QuartzCore.framework */,
1A3E5EA923E9F26C00EDE661 /* IOSurface.framework */,

52
native/Avalonia.Native/src/OSX/SystemDialogs.mm

@ -1,5 +1,6 @@
#include "common.h"
#include "INSWindowHolder.h"
#import <UniformTypeIdentifiers/UniformTypeIdentifiers.h>
class SystemDialogs : public ComSingleObject<IAvnSystemDialogs, &IID_IAvnSystemDialogs>
{
@ -7,6 +8,7 @@ public:
FORWARD_IUNKNOWN()
virtual void SelectFolderDialog (IAvnWindow* parentWindowHandle,
IAvnSystemDialogEvents* events,
bool allowMultiple,
const char* title,
const char* initialDirectory) override
{
@ -14,6 +16,7 @@ public:
{
auto panel = [NSOpenPanel openPanel];
panel.allowsMultipleSelection = allowMultiple;
panel.canChooseDirectories = true;
panel.canCreateDirectories = true;
panel.canChooseFiles = false;
@ -118,7 +121,15 @@ public:
{
auto allowedTypes = [filtersString componentsSeparatedByString:@";"];
panel.allowedFileTypes = allowedTypes;
// Prefer allowedContentTypes if available
if (@available(macOS 11.0, *))
{
panel.allowedContentTypes = ConvertToUTType(allowedTypes);
}
else
{
panel.allowedFileTypes = allowedTypes;
}
}
}
@ -207,7 +218,18 @@ public:
{
auto allowedTypes = [filtersString componentsSeparatedByString:@";"];
panel.allowedFileTypes = allowedTypes;
// Prefer allowedContentTypes if available
if (@available(macOS 11.0, *))
{
panel.allowedContentTypes = ConvertToUTType(allowedTypes);
}
else
{
panel.allowedFileTypes = allowedTypes;
}
panel.allowsOtherFileTypes = false;
panel.extensionHidden = false;
}
}
@ -250,6 +272,32 @@ public:
}
}
}
private:
NSMutableArray* ConvertToUTType(NSArray<NSString*>* allowedTypes)
{
auto originalCount = [allowedTypes count];
auto mapped = [[NSMutableArray alloc] init];
if (@available(macOS 11.0, *))
{
for (int i = 0; i < originalCount; i++)
{
auto utTypeStr = allowedTypes[i];
auto utType = [UTType typeWithIdentifier:utTypeStr];
if (utType == nil)
{
utType = [UTType typeWithMIMEType:utTypeStr];
}
if (utType != nil)
{
[mapped addObject:utType];
}
}
}
return mapped;
}
};

3
native/Avalonia.Native/src/OSX/WindowBaseImpl.mm

@ -48,7 +48,6 @@ WindowBaseImpl::WindowBaseImpl(IAvnWindowBaseEvents *events, IAvnGlContext *gl,
[Window setContentMaxSize:lastMaxSize];
[Window setOpaque:false];
[Window setHasShadow:true];
}
HRESULT WindowBaseImpl::ObtainNSViewHandle(void **ret) {
@ -224,7 +223,7 @@ HRESULT WindowBaseImpl::GetFrameSize(AvnSize *ret) {
if (ret == nullptr)
return E_POINTER;
if(Window != nullptr){
if(Window != nullptr && _shown){
auto frame = [Window frame];
ret->Width = frame.size.width;
ret->Height = frame.size.height;

20
native/Avalonia.Native/src/OSX/WindowImpl.mm

@ -24,6 +24,8 @@ WindowImpl::WindowImpl(IAvnWindowEvents *events, IAvnGlContext *gl) : WindowBase
_lastTitle = @"";
_parent = nullptr;
WindowEvents = events;
[Window setHasShadow:true];
OnInitialiseNSWindow();
}
@ -119,13 +121,16 @@ void WindowImpl::BringToFront()
{
if(Window != nullptr)
{
if(IsDialog())
{
Activate();
}
else
if (![Window isMiniaturized])
{
[Window orderFront:nullptr];
if(IsDialog())
{
Activate();
}
else
{
[Window orderFront:nullptr];
}
}
[Window invalidateShadow];
@ -488,6 +493,8 @@ HRESULT WindowImpl::SetWindowState(AvnWindowState state) {
}
if (_shown) {
_actualWindowState = _lastWindowState;
switch (state) {
case Maximized:
if (currentState == FullScreen) {
@ -545,7 +552,6 @@ HRESULT WindowImpl::SetWindowState(AvnWindowState state) {
break;
}
_actualWindowState = _lastWindowState;
WindowEvents->WindowStateChanged(_actualWindowState);
}

1
samples/ControlCatalog.NetCore/Program.cs

@ -115,7 +115,6 @@ namespace ControlCatalog.NetCore
})
.With(new Win32PlatformOptions
{
EnableMultitouch = true
})
.UseSkia()
.AfterSetup(builder =>

1
samples/ControlCatalog.Web/App.razor.cs

@ -11,6 +11,7 @@ public partial class App
{
ControlCatalog.Pages.EmbedSample.Implementation = new EmbedSampleWeb();
})
//.With(new SkiaOptions { CustomGpuFactory = null }) // uncomment to disable GPU/GL rendering
.SetupWithSingleViewLifetime();
base.OnParametersSet();

2
samples/ControlCatalog/ControlCatalog.csproj

@ -1,6 +1,6 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.0</TargetFramework>
<TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
<Nullable>enable</Nullable>
</PropertyGroup>

5
samples/ControlCatalog/MainView.xaml

@ -69,6 +69,9 @@
<TabItem Header="CalendarDatePicker">
<pages:CalendarDatePickerPage />
</TabItem>
<TabItem Header="Dialogs">
<pages:DialogsPage />
</TabItem>
<TabItem Header="Drag+Drop">
<pages:DragAndDropPage />
</TabItem>
@ -109,7 +112,7 @@
<TabItem Header="OpenGL">
<pages:OpenGlPage />
</TabItem>
<TabItem Header="Pointers (Touch)">
<TabItem Header="Pointers">
<pages:PointersPage />
</TabItem>
<TabItem Header="ProgressBar">

5
samples/ControlCatalog/MainView.xaml.cs

@ -24,11 +24,6 @@ namespace ControlCatalog
{
IList tabItems = ((IList)sideBar.Items);
tabItems.Add(new TabItem()
{
Header = "Dialogs",
Content = new DialogsPage()
});
tabItems.Add(new TabItem()
{
Header = "Screens",
Content = new ScreenPage()

76
samples/ControlCatalog/Pages/DialogsPage.xaml

@ -1,29 +1,57 @@
<UserControl xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="ControlCatalog.Pages.DialogsPage">
<StackPanel Orientation="Vertical" Spacing="4" Margin="4">
<CheckBox Name="UseFilters">Use filters</CheckBox>
<Button Name="OpenFile">_Open File</Button>
<Button Name="OpenMultipleFiles">Open _Multiple File</Button>
<Button Name="SaveFile">_Save File</Button>
<Button Name="SelectFolder">Select Fo_lder</Button>
<Button Name="OpenBoth">Select _Both</Button>
<UserControl x:Class="ControlCatalog.Pages.DialogsPage"
xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<StackPanel Margin="4"
Orientation="Vertical"
Spacing="4">
<TextBlock x:Name="PickerLastResultsVisible"
Classes="h2"
IsVisible="False"
Text="Last picker results:" />
<ItemsPresenter x:Name="PickerLastResults" />
<TextBlock Text="Windows:" />
<TextBlock Margin="0, 8, 0, 0"
Classes="h1"
Text="Window dialogs" />
<Button Name="DecoratedWindow">Decorated _window</Button>
<Button Name="DecoratedWindowDialog">Decorated w_indow (dialog)</Button>
<Button Name="Dialog" ToolTip.Tip="Shows a dialog">_Dialog</Button>
<Button Name="DialogNoTaskbar">Dialog (_No taskbar icon)</Button>
<Button Name="OwnedWindow">Own_ed window</Button>
<Button Name="OwnedWindowNoTaskbar">Owned window (No tas_kbar icon)</Button>
<Expander Header="Window dialogs">
<StackPanel Spacing="4">
<Button Name="DecoratedWindow">Decorated _window</Button>
<Button Name="DecoratedWindowDialog">Decorated w_indow (dialog)</Button>
<Button Name="Dialog" ToolTip.Tip="Shows a dialog">_Dialog</Button>
<Button Name="DialogNoTaskbar">Dialog (_No taskbar icon)</Button>
<Button Name="OwnedWindow">Own_ed window</Button>
<Button Name="OwnedWindowNoTaskbar">Owned window (No tas_kbar icon)</Button>
</StackPanel>
</Expander>
<TextBlock Margin="0,20,0,0" Text="Pickers:" />
<CheckBox Name="UseFilters">Use filters</CheckBox>
<Expander Header="FilePicker API">
<StackPanel Spacing="4">
<CheckBox Name="ForceManaged">Force managed dialog</CheckBox>
<CheckBox Name="OpenMultiple">Open multiple</CheckBox>
<Button Name="OpenFolderPicker">Select Fo_lder</Button>
<Button Name="OpenFilePicker">_Open File</Button>
<Button Name="SaveFilePicker">_Save File</Button>
<Button Name="OpenFileFromBookmark">Open File Bookmark</Button>
<Button Name="OpenFolderFromBookmark">Open Folder Bookmark</Button>
</StackPanel>
</Expander>
<Expander Header="Legacy OpenFileDialog">
<StackPanel Spacing="4">
<Button Name="OpenFile">_Open File</Button>
<Button Name="OpenMultipleFiles">Open _Multiple File</Button>
<Button Name="SaveFile">_Save File</Button>
<Button Name="SelectFolder">Select Fo_lder</Button>
<Button Name="OpenBoth">Select _Both</Button>
</StackPanel>
</Expander>
<TextBlock x:Name="PickerLastResultsVisible"
Classes="h2"
IsVisible="False"
Text="Last picker results:" />
<ItemsPresenter x:Name="PickerLastResults" />
<TextBox Name="BookmarkContainer" Watermark="Bookmark" />
<TextBox Name="OpenedFileContent"
MaxLines="10"
Watermark="Picked file content" />
</StackPanel>
</UserControl>

234
samples/ControlCatalog/Pages/DialogsPage.xaml.cs

@ -1,13 +1,21 @@
using System;
using System.Buffers;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Presenters;
using Avalonia.Dialogs;
using Avalonia.Layout;
using Avalonia.Markup.Xaml;
#pragma warning disable 4014
using Avalonia.Platform.Storage;
using Avalonia.Platform.Storage.FileIO;
#pragma warning disable CS0618 // Type or member is obsolete
#nullable enable
namespace ControlCatalog.Pages
{
public class DialogsPage : UserControl
@ -18,13 +26,16 @@ namespace ControlCatalog.Pages
var results = this.Get<ItemsPresenter>("PickerLastResults");
var resultsVisible = this.Get<TextBlock>("PickerLastResultsVisible");
var bookmarkContainer = this.Get<TextBox>("BookmarkContainer");
var openedFileContent = this.Get<TextBox>("OpenedFileContent");
var openMultiple = this.Get<CheckBox>("OpenMultiple");
string? lastSelectedDirectory = null;
IStorageFolder? lastSelectedDirectory = null;
List<FileDialogFilter>? GetFilters()
List<FileDialogFilter> GetFilters()
{
if (this.Get<CheckBox>("UseFilters").IsChecked != true)
return null;
return new List<FileDialogFilter>();
return new List<FileDialogFilter>
{
new FileDialogFilter
@ -39,12 +50,23 @@ namespace ControlCatalog.Pages
};
}
List<FilePickerFileType>? GetFileTypes()
{
if (this.Get<CheckBox>("UseFilters").IsChecked != true)
return null;
return new List<FilePickerFileType>
{
FilePickerFileTypes.All,
FilePickerFileTypes.TextPlain
};
}
this.Get<Button>("OpenFile").Click += async delegate
{
// Almost guaranteed to exist
var fullPath = Assembly.GetEntryAssembly()?.GetModules().FirstOrDefault()?.FullyQualifiedName;
var initialFileName = fullPath == null ? null : System.IO.Path.GetFileName(fullPath);
var initialDirectory = fullPath == null ? null : System.IO.Path.GetDirectoryName(fullPath);
var uri = Assembly.GetEntryAssembly()?.GetModules().FirstOrDefault()?.FullyQualifiedName;
var initialFileName = uri == null ? null : System.IO.Path.GetFileName(uri);
var initialDirectory = uri == null ? null : System.IO.Path.GetDirectoryName(uri);
var result = await new OpenFileDialog()
{
@ -62,7 +84,7 @@ namespace ControlCatalog.Pages
{
Title = "Open multiple files",
Filters = GetFilters(),
Directory = lastSelectedDirectory,
Directory = lastSelectedDirectory?.TryGetUri(out var path) == true ? path.LocalPath : null,
AllowMultiple = true
}.ShowAsync(GetWindow());
results.Items = result;
@ -70,11 +92,13 @@ namespace ControlCatalog.Pages
};
this.Get<Button>("SaveFile").Click += async delegate
{
var filters = GetFilters();
var result = await new SaveFileDialog()
{
Title = "Save file",
Filters = GetFilters(),
Directory = lastSelectedDirectory,
Filters = filters,
Directory = lastSelectedDirectory?.TryGetUri(out var path) == true ? path.LocalPath : null,
DefaultExtension = filters?.Any() == true ? "txt" : null,
InitialFileName = "test.txt"
}.ShowAsync(GetWindow());
results.Items = new[] { result };
@ -85,14 +109,9 @@ namespace ControlCatalog.Pages
var result = await new OpenFolderDialog()
{
Title = "Select folder",
Directory = lastSelectedDirectory,
Directory = lastSelectedDirectory?.TryGetUri(out var path) == true ? path.LocalPath : null
}.ShowAsync(GetWindow());
if (!string.IsNullOrEmpty(result))
{
lastSelectedDirectory = result;
}
lastSelectedDirectory = new BclStorageFolder(new System.IO.DirectoryInfo(result));
results.Items = new [] { result };
resultsVisible.IsVisible = result != null;
};
@ -101,7 +120,7 @@ namespace ControlCatalog.Pages
var result = await new OpenFileDialog()
{
Title = "Select both",
Directory = lastSelectedDirectory,
Directory = lastSelectedDirectory?.TryGetUri(out var path) == true ? path.LocalPath : null,
AllowMultiple = true
}.ShowManagedAsync(GetWindow(), new ManagedFileDialogOptions
{
@ -116,20 +135,20 @@ namespace ControlCatalog.Pages
};
this.Get<Button>("DecoratedWindowDialog").Click += delegate
{
new DecoratedWindow().ShowDialog(GetWindow());
_ = new DecoratedWindow().ShowDialog(GetWindow());
};
this.Get<Button>("Dialog").Click += delegate
{
var window = CreateSampleWindow();
window.Height = 200;
window.ShowDialog(GetWindow());
_ = window.ShowDialog(GetWindow());
};
this.Get<Button>("DialogNoTaskbar").Click += delegate
{
var window = CreateSampleWindow();
window.Height = 200;
window.ShowInTaskbar = false;
window.ShowDialog(GetWindow());
_ = window.ShowDialog(GetWindow());
};
this.Get<Button>("OwnedWindow").Click += delegate
{
@ -146,13 +165,166 @@ namespace ControlCatalog.Pages
window.Show(GetWindow());
};
this.Get<Button>("OpenFilePicker").Click += async delegate
{
var result = await GetStorageProvider().OpenFilePickerAsync(new FilePickerOpenOptions()
{
Title = "Open file",
FileTypeFilter = GetFileTypes(),
SuggestedStartLocation = lastSelectedDirectory,
AllowMultiple = openMultiple.IsChecked == true
});
await SetPickerResult(result);
};
this.Get<Button>("SaveFilePicker").Click += async delegate
{
var fileTypes = GetFileTypes();
var file = await GetStorageProvider().SaveFilePickerAsync(new FilePickerSaveOptions()
{
Title = "Save file",
FileTypeChoices = fileTypes,
SuggestedStartLocation = lastSelectedDirectory,
SuggestedFileName = "FileName",
DefaultExtension = fileTypes?.Any() == true ? "txt" : null,
ShowOverwritePrompt = false
});
if (file is not null && file.CanOpenWrite)
{
// Sync disposal of StreamWriter is not supported on WASM
#if NET6_0_OR_GREATER
await using var stream = await file.OpenWrite();
await using var reader = new System.IO.StreamWriter(stream);
#else
using var stream = await file.OpenWrite();
using var reader = new System.IO.StreamWriter(stream);
#endif
await reader.WriteLineAsync(openedFileContent.Text);
lastSelectedDirectory = await file.GetParentAsync();
}
await SetPickerResult(file is null ? null : new [] {file});
};
this.Get<Button>("OpenFolderPicker").Click += async delegate
{
var folders = await GetStorageProvider().OpenFolderPickerAsync(new FolderPickerOpenOptions()
{
Title = "Folder file",
SuggestedStartLocation = lastSelectedDirectory,
AllowMultiple = openMultiple.IsChecked == true
});
await SetPickerResult(folders);
lastSelectedDirectory = folders.FirstOrDefault();
};
this.Get<Button>("OpenFileFromBookmark").Click += async delegate
{
var file = bookmarkContainer.Text is not null
? await GetStorageProvider().OpenFileBookmarkAsync(bookmarkContainer.Text)
: null;
await SetPickerResult(file is null ? null : new[] { file });
};
this.Get<Button>("OpenFolderFromBookmark").Click += async delegate
{
var folder = bookmarkContainer.Text is not null
? await GetStorageProvider().OpenFolderBookmarkAsync(bookmarkContainer.Text)
: null;
await SetPickerResult(folder is null ? null : new[] { folder });
lastSelectedDirectory = folder;
};
async Task SetPickerResult(IReadOnlyCollection<IStorageItem>? items)
{
items ??= Array.Empty<IStorageItem>();
var mappedResults = items.Select(FullPathOrName).ToList();
bookmarkContainer.Text = items.FirstOrDefault(f => f.CanBookmark) is { } f ? await f.SaveBookmark() : "Can't bookmark";
if (items.FirstOrDefault() is IStorageItem item)
{
var resultText = item is IStorageFile ? "File:" : "Folder:";
resultText += Environment.NewLine;
var props = await item.GetBasicPropertiesAsync();
resultText += @$"Size: {props.Size}
DateCreated: {props.DateCreated}
DateModified: {props.DateModified}
CanBookmark: {item.CanBookmark}
";
if (item is IStorageFile file)
{
resultText += @$"
CanOpenRead: {file.CanOpenRead}
CanOpenWrite: {file.CanOpenWrite}
Content:
";
if (file.CanOpenRead)
{
#if NET6_0_OR_GREATER
await using var stream = await file.OpenRead();
#else
using var stream = await file.OpenRead();
#endif
using var reader = new System.IO.StreamReader(stream);
// 4GB file test, shouldn't load more than 10000 chars into a memory.
const int length = 10000;
var buffer = ArrayPool<char>.Shared.Rent(length);
try
{
var charsRead = await reader.ReadAsync(buffer, 0, length);
resultText += new string(buffer, 0, charsRead);
}
finally
{
ArrayPool<char>.Shared.Return(buffer);
}
}
}
openedFileContent.Text = resultText;
lastSelectedDirectory = await item.GetParentAsync();
if (lastSelectedDirectory is not null)
{
mappedResults.Insert(0, "Parent: " + FullPathOrName(lastSelectedDirectory));
}
}
results.Items = mappedResults;
resultsVisible.IsVisible = mappedResults.Any();
}
}
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnAttachedToVisualTree(e);
var openedFileContent = this.Get<TextBox>("OpenedFileContent");
try
{
var storageProvider = GetStorageProvider();
openedFileContent.Text = $@"CanOpen: {storageProvider.CanOpen}
CanSave: {storageProvider.CanSave}
CanPickFolder: {storageProvider.CanPickFolder}";
}
catch (Exception ex)
{
openedFileContent.Text = "Storage provider is not available: " + ex.Message;
}
}
private Window CreateSampleWindow()
{
Button button;
Button dialogButton;
var window = new Window
{
Height = 200,
@ -191,7 +363,22 @@ namespace ControlCatalog.Pages
return window;
}
Window GetWindow() => this.VisualRoot as Window ?? throw new NullReferenceException("Invalid Owner");
private IStorageProvider GetStorageProvider()
{
var forceManaged = this.Get<CheckBox>("ForceManaged").IsChecked ?? false;
return forceManaged
? new ManagedStorageProvider<Window>(GetWindow(), null)
: GetTopLevel().StorageProvider;
}
private static string FullPathOrName(IStorageItem? item)
{
if (item is null) return "(null)";
return item.TryGetUri(out var uri) ? uri.ToString() : item.Name;
}
Window GetWindow() => this.VisualRoot as Window ?? throw new NullReferenceException("Invalid Owner");
TopLevel GetTopLevel() => this.VisualRoot as TopLevel ?? throw new NullReferenceException("Invalid Owner");
private void InitializeComponent()
{
@ -199,3 +386,4 @@ namespace ControlCatalog.Pages
}
}
}
#pragma warning restore CS0618 // Type or member is obsolete

6
samples/ControlCatalog/Pages/NumericUpDownPage.xaml

@ -76,21 +76,21 @@
<StackPanel Orientation="Vertical" Margin="10">
<Label Target="upDown" FontSize="14" FontWeight="Bold" VerticalAlignment="Center">Usage of decimal NumericUpDown:</Label>
<NumericUpDown Name="upDown" Minimum="0" Maximum="10" Increment="0.5"
CultureInfo="en-US" VerticalAlignment="Center" Value="{Binding DecimalValue}"
VerticalAlignment="Center" Value="{Binding DecimalValue}"
Watermark="Enter text" FormatString="{Binding SelectedFormat.Value}"/>
</StackPanel>
<StackPanel Orientation="Vertical" Margin="10">
<Label Target="DoubleUpDown" FontSize="14" FontWeight="Bold" VerticalAlignment="Center">Usage of double NumericUpDown:</Label>
<NumericUpDown Name="DoubleUpDown" Minimum="0" Maximum="10" Increment="0.5"
CultureInfo="en-US" VerticalAlignment="Center" Value="{Binding DoubleValue}"
VerticalAlignment="Center" Value="{Binding DoubleValue}"
Watermark="Enter text" FormatString="{Binding SelectedFormat.Value}"/>
</StackPanel>
<StackPanel Orientation="Vertical" Margin="10">
<Label Target="ValidationUpDown" FontSize="14" FontWeight="Bold" VerticalAlignment="Center">NumericUpDown with Validation Errors:</Label>
<NumericUpDown x:Name="ValidationUpDown" Minimum="0" Maximum="10" Increment="0.5"
CultureInfo="en-US" VerticalAlignment="Center"
VerticalAlignment="Center"
Watermark="Enter text" FormatString="{Binding SelectedFormat.Value}">
<DataValidationErrors.Error>
<sys:Exception />

13
samples/ControlCatalog/Pages/NumericUpDownPage.xaml.cs

@ -84,15 +84,10 @@ namespace ControlCatalog.Pages
}
}
public IList<CultureInfo> Cultures { get; } = new List<CultureInfo>()
{
new CultureInfo("en-US"),
new CultureInfo("en-GB"),
new CultureInfo("fr-FR"),
new CultureInfo("ar-DZ"),
new CultureInfo("zh-CN"),
new CultureInfo("cs-CZ")
};
// Trimmed-mode friendly where we might not have cultures
public IList<CultureInfo?> Cultures { get; } = CultureInfo.GetCultures(CultureTypes.SpecificCultures)
.Where(c => new[] { "en-US", "en-GB", "fr-FR", "ar-DZ", "zh-CH", "cs-CZ" }.Contains(c.Name))
.ToArray();
public FormatObject SelectedFormat
{

235
samples/ControlCatalog/Pages/PointerCanvas.cs

@ -0,0 +1,235 @@
#nullable enable
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Media;
using Avalonia.Threading;
namespace ControlCatalog.Pages;
public class PointerCanvas : Control
{
private readonly Stopwatch _stopwatch = Stopwatch.StartNew();
private int _events;
private IDisposable? _statusUpdated;
private Dictionary<int, PointerPoints> _pointers = new();
private PointerPointProperties? _lastProperties;
private PointerUpdateKind? _lastNonOtherUpdateKind;
class PointerPoints
{
struct CanvasPoint
{
public IBrush Brush;
public Point Point;
public double Radius;
public double? Pressure;
}
readonly CanvasPoint[] _points = new CanvasPoint[1000];
int _index;
public void Render(DrawingContext context, bool drawPoints)
{
CanvasPoint? prev = null;
for (var c = 0; c < _points.Length; c++)
{
var i = (c + _index) % _points.Length;
var pt = _points[i];
var pressure = (pt.Pressure ?? prev?.Pressure ?? 0.5);
var thickness = pressure * 10;
var radius = pressure * pt.Radius;
if (drawPoints)
{
if (pt.Brush != null)
{
context.DrawEllipse(pt.Brush, null, pt.Point, radius, radius);
}
}
else
{
if (prev.HasValue && prev.Value.Brush != null && pt.Brush != null
&& prev.Value.Pressure != null && pt.Pressure != null)
{
var linePen = new Pen(Brushes.Black, thickness, null, PenLineCap.Round, PenLineJoin.Round);
context.DrawLine(linePen, prev.Value.Point, pt.Point);
}
}
prev = pt;
}
}
void AddPoint(Point pt, IBrush brush, double radius, float? pressure = null)
{
_points[_index] = new CanvasPoint { Point = pt, Brush = brush, Radius = radius, Pressure = pressure };
_index = (_index + 1) % _points.Length;
}
public void HandleEvent(PointerEventArgs e, Visual v)
{
e.Handled = true;
var currentPoint = e.GetCurrentPoint(v);
if (e.RoutedEvent == PointerPressedEvent)
AddPoint(currentPoint.Position, Brushes.Green, 10);
else if (e.RoutedEvent == PointerReleasedEvent)
AddPoint(currentPoint.Position, Brushes.Red, 10);
else
{
var pts = e.GetIntermediatePoints(v);
for (var c = 0; c < pts.Count; c++)
{
var pt = pts[c];
AddPoint(pt.Position, c == pts.Count - 1 ? Brushes.Blue : Brushes.Black,
c == pts.Count - 1 ? 5 : 2, pt.Properties.Pressure);
}
}
}
}
private int _threadSleep;
public static DirectProperty<PointerCanvas, int> ThreadSleepProperty =
AvaloniaProperty.RegisterDirect<PointerCanvas, int>(nameof(ThreadSleep), c => c.ThreadSleep, (c, v) => c.ThreadSleep = v);
public int ThreadSleep
{
get => _threadSleep;
set => SetAndRaise(ThreadSleepProperty, ref _threadSleep, value);
}
private bool _drawOnlyPoints;
public static DirectProperty<PointerCanvas, bool> DrawOnlyPointsProperty =
AvaloniaProperty.RegisterDirect<PointerCanvas, bool>(nameof(DrawOnlyPoints), c => c.DrawOnlyPoints, (c, v) => c.DrawOnlyPoints = v);
public bool DrawOnlyPoints
{
get => _drawOnlyPoints;
set => SetAndRaise(DrawOnlyPointsProperty, ref _drawOnlyPoints, value);
}
private string? _status;
public static DirectProperty<PointerCanvas, string?> StatusProperty =
AvaloniaProperty.RegisterDirect<PointerCanvas, string?>(nameof(DrawOnlyPoints), c => c.Status, (c, v) => c.Status = v,
defaultBindingMode: Avalonia.Data.BindingMode.TwoWay);
public string? Status
{
get => _status;
set => SetAndRaise(StatusProperty, ref _status, value);
}
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnAttachedToVisualTree(e);
_statusUpdated = DispatcherTimer.Run(() =>
{
if (_stopwatch.Elapsed.TotalMilliseconds > 250)
{
Status = $@"Events per second: {(_events / _stopwatch.Elapsed.TotalSeconds)}
PointerUpdateKind: {_lastProperties?.PointerUpdateKind}
Last PointerUpdateKind != Other: {_lastNonOtherUpdateKind}
IsLeftButtonPressed: {_lastProperties?.IsLeftButtonPressed}
IsRightButtonPressed: {_lastProperties?.IsRightButtonPressed}
IsMiddleButtonPressed: {_lastProperties?.IsMiddleButtonPressed}
IsXButton1Pressed: {_lastProperties?.IsXButton1Pressed}
IsXButton2Pressed: {_lastProperties?.IsXButton2Pressed}
IsBarrelButtonPressed: {_lastProperties?.IsBarrelButtonPressed}
IsEraser: {_lastProperties?.IsEraser}
IsInverted: {_lastProperties?.IsInverted}
Pressure: {_lastProperties?.Pressure}
XTilt: {_lastProperties?.XTilt}
YTilt: {_lastProperties?.YTilt}
Twist: {_lastProperties?.Twist}";
_stopwatch.Restart();
_events = 0;
}
return true;
}, TimeSpan.FromMilliseconds(10));
}
protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnDetachedFromVisualTree(e);
_statusUpdated?.Dispose();
}
void HandleEvent(PointerEventArgs e)
{
_events++;
if (_threadSleep != 0)
{
Thread.Sleep(_threadSleep);
}
InvalidateVisual();
var lastPointer = e.GetCurrentPoint(this);
_lastProperties = lastPointer.Properties;
if (_lastProperties.PointerUpdateKind != PointerUpdateKind.Other)
{
_lastNonOtherUpdateKind = _lastProperties.PointerUpdateKind;
}
if (e.RoutedEvent == PointerReleasedEvent && e.Pointer.Type == PointerType.Touch)
{
_pointers.Remove(e.Pointer.Id);
return;
}
if (e.Pointer.Type != PointerType.Pen
|| lastPointer.Properties.Pressure > 0)
{
if (!_pointers.TryGetValue(e.Pointer.Id, out var pt))
_pointers[e.Pointer.Id] = pt = new PointerPoints();
pt.HandleEvent(e, this);
}
}
public override void Render(DrawingContext context)
{
context.FillRectangle(Brushes.White, Bounds);
foreach (var pt in _pointers.Values)
pt.Render(context, _drawOnlyPoints);
base.Render(context);
}
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
if (e.ClickCount == 2)
{
_pointers.Clear();
InvalidateVisual();
return;
}
HandleEvent(e);
base.OnPointerPressed(e);
}
protected override void OnPointerMoved(PointerEventArgs e)
{
HandleEvent(e);
base.OnPointerMoved(e);
}
protected override void OnPointerReleased(PointerReleasedEventArgs e)
{
HandleEvent(e);
base.OnPointerReleased(e);
}
protected override void OnPointerCaptureLost(PointerCaptureLostEventArgs e)
{
_lastProperties = null;
base.OnPointerCaptureLost(e);
}
}

109
samples/ControlCatalog/Pages/PointerContactsTab.cs

@ -0,0 +1,109 @@
#nullable enable
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Linq;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Media;
using Avalonia.Media.Immutable;
namespace ControlCatalog.Pages;
public class PointerContactsTab : Control
{
class PointerInfo
{
public Point Point { get; set; }
public Color Color { get; set; }
}
private static Color[] AllColors = new[]
{
Colors.Aqua,
Colors.Beige,
Colors.Chartreuse,
Colors.Coral,
Colors.Fuchsia,
Colors.Crimson,
Colors.Lavender,
Colors.Orange,
Colors.Orchid,
Colors.ForestGreen,
Colors.SteelBlue,
Colors.PapayaWhip,
Colors.PaleVioletRed,
Colors.Goldenrod,
Colors.Maroon,
Colors.Moccasin,
Colors.Navy,
Colors.Wheat,
Colors.Violet,
Colors.Sienna,
Colors.Indigo,
Colors.Honeydew
};
private Dictionary<IPointer, PointerInfo> _pointers = new Dictionary<IPointer, PointerInfo>();
public PointerContactsTab()
{
ClipToBounds = true;
}
void UpdatePointer(PointerEventArgs e)
{
if (!_pointers.TryGetValue(e.Pointer, out var info))
{
if (e.RoutedEvent == PointerMovedEvent)
return;
var colors = AllColors.Except(_pointers.Values.Select(c => c.Color)).ToArray();
var color = colors[new Random().Next(0, colors.Length - 1)];
_pointers[e.Pointer] = info = new PointerInfo { Color = color };
}
info.Point = e.GetPosition(this);
InvalidateVisual();
}
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
UpdatePointer(e);
e.Pointer.Capture(this);
e.Handled = true;
base.OnPointerPressed(e);
}
protected override void OnPointerMoved(PointerEventArgs e)
{
UpdatePointer(e);
e.Handled = true;
base.OnPointerMoved(e);
}
protected override void OnPointerReleased(PointerReleasedEventArgs e)
{
_pointers.Remove(e.Pointer);
e.Handled = true;
InvalidateVisual();
}
protected override void OnPointerCaptureLost(PointerCaptureLostEventArgs e)
{
_pointers.Remove(e.Pointer);
InvalidateVisual();
}
public override void Render(DrawingContext context)
{
context.FillRectangle(Brushes.Transparent, new Rect(default, Bounds.Size));
foreach (var pt in _pointers.Values)
{
var brush = new ImmutableSolidColorBrush(pt.Color);
context.DrawEllipse(brush, null, pt.Point, 75, 75);
}
}
}

322
samples/ControlCatalog/Pages/PointersPage.cs

@ -1,322 +0,0 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Reactive.Linq;
using System.Runtime.InteropServices;
using System.Threading;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Documents;
using Avalonia.Input;
using Avalonia.Layout;
using Avalonia.Media;
using Avalonia.Media.Immutable;
using Avalonia.Threading;
using Avalonia.VisualTree;
namespace ControlCatalog.Pages;
public class PointersPage : Decorator
{
public PointersPage()
{
Child = new TabControl
{
Items = new[]
{
new TabItem() { Header = "Contacts", Content = new PointerContactsTab() },
new TabItem() { Header = "IntermediatePoints", Content = new PointerIntermediatePointsTab() }
}
};
}
class PointerContactsTab : Control
{
class PointerInfo
{
public Point Point { get; set; }
public Color Color { get; set; }
}
private static Color[] AllColors = new[]
{
Colors.Aqua,
Colors.Beige,
Colors.Chartreuse,
Colors.Coral,
Colors.Fuchsia,
Colors.Crimson,
Colors.Lavender,
Colors.Orange,
Colors.Orchid,
Colors.ForestGreen,
Colors.SteelBlue,
Colors.PapayaWhip,
Colors.PaleVioletRed,
Colors.Goldenrod,
Colors.Maroon,
Colors.Moccasin,
Colors.Navy,
Colors.Wheat,
Colors.Violet,
Colors.Sienna,
Colors.Indigo,
Colors.Honeydew
};
private Dictionary<IPointer, PointerInfo> _pointers = new Dictionary<IPointer, PointerInfo>();
public PointerContactsTab()
{
ClipToBounds = true;
}
void UpdatePointer(PointerEventArgs e)
{
if (!_pointers.TryGetValue(e.Pointer, out var info))
{
if (e.RoutedEvent == PointerMovedEvent)
return;
var colors = AllColors.Except(_pointers.Values.Select(c => c.Color)).ToArray();
var color = colors[new Random().Next(0, colors.Length - 1)];
_pointers[e.Pointer] = info = new PointerInfo {Color = color};
}
info.Point = e.GetPosition(this);
InvalidateVisual();
}
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
UpdatePointer(e);
e.Pointer.Capture(this);
e.Handled = true;
base.OnPointerPressed(e);
}
protected override void OnPointerMoved(PointerEventArgs e)
{
UpdatePointer(e);
e.Handled = true;
base.OnPointerMoved(e);
}
protected override void OnPointerReleased(PointerReleasedEventArgs e)
{
_pointers.Remove(e.Pointer);
e.Handled = true;
InvalidateVisual();
}
protected override void OnPointerCaptureLost(PointerCaptureLostEventArgs e)
{
_pointers.Remove(e.Pointer);
InvalidateVisual();
}
public override void Render(DrawingContext context)
{
context.FillRectangle(Brushes.Transparent, new Rect(default, Bounds.Size));
foreach (var pt in _pointers.Values)
{
var brush = new ImmutableSolidColorBrush(pt.Color);
context.DrawEllipse(brush, null, pt.Point, 75, 75);
}
}
}
public class PointerIntermediatePointsTab : Decorator
{
public PointerIntermediatePointsTab()
{
this[TextElement.ForegroundProperty] = Brushes.Black;
var slider = new Slider
{
Margin = new Thickness(5),
Minimum = 0,
Maximum = 500
};
var status = new TextBlock()
{
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top,
};
Child = new Grid
{
Children =
{
new PointerCanvas(slider, status),
new Border
{
Background = Brushes.LightYellow,
Child = new StackPanel
{
Children =
{
new StackPanel
{
Orientation = Orientation.Horizontal,
Children =
{
new TextBlock { Text = "Thread sleep:" },
new TextBlock()
{
[!TextBlock.TextProperty] =slider.GetObservable(Slider.ValueProperty)
.Select(x=>x.ToString()).ToBinding()
}
}
},
slider
}
},
HorizontalAlignment = HorizontalAlignment.Right,
VerticalAlignment = VerticalAlignment.Top,
Width = 300,
Height = 60
},
status
}
};
}
class PointerCanvas : Control
{
private readonly Slider _slider;
private readonly TextBlock _status;
private int _events;
private Stopwatch _stopwatch = Stopwatch.StartNew();
private Dictionary<int, PointerPoints> _pointers = new();
class PointerPoints
{
struct CanvasPoint
{
public IBrush Brush;
public Point Point;
public double Radius;
}
readonly CanvasPoint[] _points = new CanvasPoint[1000];
int _index;
public void Render(DrawingContext context)
{
CanvasPoint? prev = null;
for (var c = 0; c < _points.Length; c++)
{
var i = (c + _index) % _points.Length;
var pt = _points[i];
if (prev.HasValue && prev.Value.Brush != null && pt.Brush != null)
context.DrawLine(new Pen(Brushes.Black), prev.Value.Point, pt.Point);
prev = pt;
if (pt.Brush != null)
context.DrawEllipse(pt.Brush, null, pt.Point, pt.Radius, pt.Radius);
}
}
void AddPoint(Point pt, IBrush brush, double radius)
{
_points[_index] = new CanvasPoint { Point = pt, Brush = brush, Radius = radius };
_index = (_index + 1) % _points.Length;
}
public void HandleEvent(PointerEventArgs e, Visual v)
{
e.Handled = true;
if (e.RoutedEvent == PointerPressedEvent)
AddPoint(e.GetPosition(v), Brushes.Green, 10);
else if (e.RoutedEvent == PointerReleasedEvent)
AddPoint(e.GetPosition(v), Brushes.Red, 10);
else
{
var pts = e.GetIntermediatePoints(v);
for (var c = 0; c < pts.Count; c++)
{
var pt = pts[c];
AddPoint(pt.Position, c == pts.Count - 1 ? Brushes.Blue : Brushes.Black,
c == pts.Count - 1 ? 5 : 2);
}
}
}
}
public PointerCanvas(Slider slider, TextBlock status)
{
_slider = slider;
_status = status;
DispatcherTimer.Run(() =>
{
if (_stopwatch.Elapsed.TotalSeconds > 1)
{
_status.Text = "Events per second: " + (_events / _stopwatch.Elapsed.TotalSeconds);
_stopwatch.Restart();
_events = 0;
}
return this.GetVisualRoot() != null;
}, TimeSpan.FromMilliseconds(10));
}
void HandleEvent(PointerEventArgs e)
{
_events++;
Thread.Sleep((int)_slider.Value);
InvalidateVisual();
if (e.RoutedEvent == PointerReleasedEvent && e.Pointer.Type == PointerType.Touch)
{
_pointers.Remove(e.Pointer.Id);
return;
}
if (!_pointers.TryGetValue(e.Pointer.Id, out var pt))
_pointers[e.Pointer.Id] = pt = new PointerPoints();
pt.HandleEvent(e, this);
}
public override void Render(DrawingContext context)
{
context.FillRectangle(Brushes.White, Bounds);
foreach(var pt in _pointers.Values)
pt.Render(context);
base.Render(context);
}
protected override void OnPointerPressed(PointerPressedEventArgs e)
{
if (e.ClickCount == 2)
{
_pointers.Clear();
InvalidateVisual();
return;
}
HandleEvent(e);
base.OnPointerPressed(e);
}
protected override void OnPointerMoved(PointerEventArgs e)
{
HandleEvent(e);
base.OnPointerMoved(e);
}
protected override void OnPointerReleased(PointerReleasedEventArgs e)
{
HandleEvent(e);
base.OnPointerReleased(e);
}
}
}
}

66
samples/ControlCatalog/Pages/PointersPage.xaml

@ -0,0 +1,66 @@
<UserControl x:Class="ControlCatalog.Pages.PointersPage"
xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:ControlCatalog.Pages">
<TabControl>
<TabItem Header="Contacts">
<local:PointerContactsTab />
</TabItem>
<TabItem Header="IntermediatePoints">
<Panel TextElement.Foreground="Black">
<local:PointerCanvas x:Name="IntermediatePointsCanvas"
DrawOnlyPoints="True"
Status="{Binding #Status1TextBlock.Text, Mode=OneWayToSource}"
ThreadSleep="{Binding #ThreadSleepSlider.Value}" />
<Border Width="300"
Height="60"
HorizontalAlignment="Right"
VerticalAlignment="Top">
<StackPanel Background="LightYellow">
<TextBlock Text="{Binding #ThreadSleepSlider.Value, StringFormat='Thread sleep: {0} / 500'}" />
<Slider x:Name="ThreadSleepSlider"
Value="50"
Maximum="500"
Minimum="0" />
</StackPanel>
</Border>
<TextBlock x:Name="Status1TextBlock"
HorizontalAlignment="Left"
VerticalAlignment="Top" />
</Panel>
</TabItem>
<TabItem Header="Pressure">
<Panel TextElement.Foreground="Black">
<local:PointerCanvas x:Name="PressureCanvas"
DrawOnlyPoints="False"
Status="{Binding #Status2TextBlock.Text, Mode=OneWayToSource}"
ThreadSleep="0" />
<TextBlock x:Name="Status2TextBlock"
HorizontalAlignment="Left"
VerticalAlignment="Top" />
</Panel>
</TabItem>
<TabItem Header="Capture">
<WrapPanel>
<Border Name="BorderCapture1"
MinWidth="250"
MinHeight="170"
Margin="5"
Padding="50"
Background="{DynamicResource SystemAccentColor}"
ToolTip.Placement="Bottom">
<TextBlock>Capture 1</TextBlock>
</Border>
<Border Name="BorderCapture2"
MinWidth="250"
MinHeight="170"
Margin="5"
Padding="50"
Background="{DynamicResource SystemAccentColor}"
ToolTip.Placement="Bottom">
<TextBlock>Capture 2</TextBlock>
</Border>
</WrapPanel>
</TabItem>
</TabControl>
</UserControl>

78
samples/ControlCatalog/Pages/PointersPage.xaml.cs

@ -0,0 +1,78 @@
using System;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
namespace ControlCatalog.Pages;
public class PointersPage : UserControl
{
public PointersPage()
{
this.InitializeComponent();
var border1 = this.Get<Border>("BorderCapture1");
var border2 = this.Get<Border>("BorderCapture2");
border1.PointerPressed += Border_PointerPressed;
border1.PointerReleased += Border_PointerReleased;
border1.PointerCaptureLost += Border_PointerCaptureLost;
border1.PointerMoved += Border_PointerUpdated;
border1.PointerEntered += Border_PointerUpdated;
border1.PointerExited += Border_PointerUpdated;
border2.PointerPressed += Border_PointerPressed;
border2.PointerReleased += Border_PointerReleased;
border2.PointerCaptureLost += Border_PointerCaptureLost;
border2.PointerMoved += Border_PointerUpdated;
border2.PointerEntered += Border_PointerUpdated;
border2.PointerExited += Border_PointerUpdated;
}
private void Border_PointerUpdated(object sender, PointerEventArgs e)
{
var textBlock = (TextBlock)((Border)sender).Child;
var position = e.GetPosition((Border)sender);
textBlock.Text = @$"Type: {e.Pointer.Type}
Captured: {e.Pointer.Captured == sender}
PointerId: {e.Pointer.Id}
Position: {(int)position.X} {(int)position.Y}";
e.Handled = true;
}
private void Border_PointerCaptureLost(object sender, PointerCaptureLostEventArgs e)
{
var textBlock = (TextBlock)((Border)sender).Child;
textBlock.Text = @$"Type: {e.Pointer.Type}
Captured: {e.Pointer.Captured == sender}
PointerId: {e.Pointer.Id}
Position: ??? ???";
e.Handled = true;
}
private void Border_PointerReleased(object sender, PointerReleasedEventArgs e)
{
if (e.Pointer.Captured == sender)
{
e.Pointer.Capture(null);
e.Handled = true;
}
else
{
throw new InvalidOperationException("How?");
}
}
private void Border_PointerPressed(object sender, PointerPressedEventArgs e)
{
e.Pointer.Capture((Border)sender);
e.Handled = true;
}
private void InitializeComponent()
{
AvaloniaXamlLoader.Load(this);
}
}

21
samples/IntegrationTestApp/MainWindow.axaml

@ -4,6 +4,7 @@
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
x:Class="IntegrationTestApp.MainWindow"
Name="MainWindow"
Title="IntegrationTestApp">
<NativeMenu.Menu>
<NativeMenu>
@ -94,6 +95,26 @@
</StackPanel>
</DockPanel>
</TabItem>
<TabItem Header="Window">
<StackPanel>
<TextBox Name="ShowWindowSize" Watermark="Window Size"/>
<ComboBox Name="ShowWindowMode" SelectedIndex="0">
<ComboBoxItem>NonOwned</ComboBoxItem>
<ComboBoxItem>Owned</ComboBoxItem>
<ComboBoxItem>Modal</ComboBoxItem>
</ComboBox>
<ComboBox Name="ShowWindowLocation" SelectedIndex="0">
<ComboBoxItem>Manual</ComboBoxItem>
<ComboBoxItem>CenterScreen</ComboBoxItem>
<ComboBoxItem>CenterOwner</ComboBoxItem>
</ComboBox>
<Button Name="ShowWindow">Show Window</Button>
<Button Name="SendToBack">Send to Back</Button>
<Button Name="ExitFullscreen">Exit Fullscreen</Button>
<Button Name="RestoreAll">Restore All</Button>
</StackPanel>
</TabItem>
</TabControl>
</DockPanel>
</Window>

66
samples/IntegrationTestApp/MainWindow.axaml.cs

@ -3,8 +3,10 @@ using System.Collections.Generic;
using System.Linq;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using Avalonia.VisualTree;
namespace IntegrationTestApp
{
@ -46,6 +48,62 @@ namespace IntegrationTestApp
}
}
private void ShowWindow()
{
var sizeTextBox = this.GetControl<TextBox>("ShowWindowSize");
var modeComboBox = this.GetControl<ComboBox>("ShowWindowMode");
var locationComboBox = this.GetControl<ComboBox>("ShowWindowLocation");
var size = !string.IsNullOrWhiteSpace(sizeTextBox.Text) ? Size.Parse(sizeTextBox.Text) : (Size?)null;
var owner = (Window)this.GetVisualRoot()!;
var window = new ShowWindowTest
{
WindowStartupLocation = (WindowStartupLocation)locationComboBox.SelectedIndex,
};
if (size.HasValue)
{
window.Width = size.Value.Width;
window.Height = size.Value.Height;
}
sizeTextBox.Text = string.Empty;
switch (modeComboBox.SelectedIndex)
{
case 0:
window.Show();
break;
case 1:
window.Show(owner);
break;
case 2:
window.ShowDialog(owner);
break;
}
}
private void SendToBack()
{
var lifetime = (ClassicDesktopStyleApplicationLifetime)Application.Current!.ApplicationLifetime!;
foreach (var window in lifetime.Windows)
{
window.Activate();
}
}
private void RestoreAll()
{
var lifetime = (ClassicDesktopStyleApplicationLifetime)Application.Current!.ApplicationLifetime!;
foreach (var window in lifetime.Windows)
{
if (window.WindowState == WindowState.Minimized)
window.WindowState = WindowState.Normal;
}
}
private void MenuClicked(object? sender, RoutedEventArgs e)
{
var clickedMenuItemTextBlock = this.FindControl<TextBlock>("ClickedMenuItem");
@ -64,6 +122,14 @@ namespace IntegrationTestApp
this.FindControl<ListBox>("BasicListBox").SelectedIndex = -1;
if (source?.Name == "MenuClickedMenuItemReset")
this.FindControl<TextBlock>("ClickedMenuItem").Text = "None";
if (source?.Name == "ShowWindow")
ShowWindow();
if (source?.Name == "SendToBack")
SendToBack();
if (source?.Name == "ExitFullscreen")
WindowState = WindowState.Normal;
if (source?.Name == "RestoreAll")
RestoreAll();
}
}
}

35
samples/IntegrationTestApp/ShowWindowTest.axaml

@ -0,0 +1,35 @@
<Window xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="IntegrationTestApp.ShowWindowTest"
Name="SecondaryWindow"
Title="Show Window Test">
<Grid ColumnDefinitions="Auto,Auto" RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto">
<Label Grid.Column="0" Grid.Row="1">Client Size</Label>
<TextBox Name="ClientSize" Grid.Column="1" Grid.Row="1" IsReadOnly="True"
Text="{Binding ClientSize, Mode=OneWay}"/>
<Label Grid.Column="0" Grid.Row="2">Frame Size</Label>
<TextBox Name="FrameSize" Grid.Column="1" Grid.Row="2" IsReadOnly="True"
Text="{Binding FrameSize, Mode=OneWay}"/>
<Label Grid.Column="0" Grid.Row="3">Position</Label>
<TextBox Name="Position" Grid.Column="1" Grid.Row="3" IsReadOnly="True"/>
<Label Grid.Column="0" Grid.Row="4">Owner Rect</Label>
<TextBox Name="OwnerRect" Grid.Column="1" Grid.Row="4" IsReadOnly="True"/>
<Label Grid.Column="0" Grid.Row="5">Screen Rect</Label>
<TextBox Name="ScreenRect" Grid.Column="1" Grid.Row="5" IsReadOnly="True"/>
<Label Grid.Column="0" Grid.Row="6">Scaling</Label>
<TextBox Name="Scaling" Grid.Column="1" Grid.Row="6" IsReadOnly="True"/>
<Label Grid.Column="0" Grid.Row="7">WindowState</Label>
<ComboBox Name="WindowState" Grid.Column="1" Grid.Row="7" SelectedIndex="{Binding WindowState}">
<ComboBoxItem>Normal</ComboBoxItem>
<ComboBoxItem>Minimized</ComboBoxItem>
<ComboBoxItem>Maximized</ComboBoxItem>
<ComboBoxItem>Fullscreen</ComboBoxItem>
</ComboBox>
</Grid>
</Window>

40
samples/IntegrationTestApp/ShowWindowTest.axaml.cs

@ -0,0 +1,40 @@
using System;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using Avalonia.Rendering;
namespace IntegrationTestApp
{
public class ShowWindowTest : Window
{
public ShowWindowTest()
{
InitializeComponent();
DataContext = this;
PositionChanged += (s, e) => this.GetControl<TextBox>("Position").Text = $"{Position}";
}
private void InitializeComponent()
{
AvaloniaXamlLoader.Load(this);
}
protected override void OnOpened(EventArgs e)
{
base.OnOpened(e);
var scaling = PlatformImpl!.DesktopScaling;
this.GetControl<TextBox>("Position").Text = $"{Position}";
this.GetControl<TextBox>("ScreenRect").Text = $"{Screens.ScreenFromVisual(this)?.WorkingArea}";
this.GetControl<TextBox>("Scaling").Text = $"{scaling}";
if (Owner is not null)
{
var ownerRect = this.GetControl<TextBox>("OwnerRect");
var owner = (Window)Owner;
ownerRect.Text = $"{owner.Position}, {PixelSize.FromSize(owner.FrameSize!.Value, scaling)}";
}
}
}
}

3
src/Android/Avalonia.Android/AndroidPlatform.cs

@ -1,10 +1,8 @@
using System;
using Avalonia.Controls;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Android;
using Avalonia.Android.Platform;
using Avalonia.Android.Platform.Input;
using Avalonia.Controls.Platform;
using Avalonia.Input;
using Avalonia.Input.Platform;
using Avalonia.OpenGL.Egl;
@ -55,7 +53,6 @@ namespace Avalonia.Android
.Bind<IKeyboardDevice>().ToSingleton<AndroidKeyboardDevice>()
.Bind<IPlatformSettings>().ToConstant(Instance)
.Bind<IPlatformThreadingInterface>().ToConstant(new AndroidThreadingInterface())
.Bind<ISystemDialogImpl>().ToTransient<SystemDialogImpl>()
.Bind<IPlatformIconLoader>().ToSingleton<PlatformIconLoaderStub>()
.Bind<IRenderTimer>().ToConstant(new ChoreographerTimer())
.Bind<IRenderLoop>().ToConstant(new RenderLoop())

32
src/Android/Avalonia.Android/AvaloniaActivity.cs

@ -4,10 +4,14 @@ using Android.Content.Res;
using AndroidX.Lifecycle;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Controls;
using Android.Runtime;
using Android.App;
using Android.Content;
using System;
namespace Avalonia.Android
{
public abstract class AvaloniaActivity<TApp> : AppCompatActivity where TApp : Application, new()
public abstract class AvaloniaActivity : AppCompatActivity
{
internal class SingleViewLifetime : ISingleViewApplicationLifetime
{
@ -20,16 +24,15 @@ namespace Avalonia.Android
}
}
internal Action<int, Result, Intent> ActivityResult;
internal AvaloniaView View;
internal AvaloniaViewModel _viewModel;
protected virtual AppBuilder CustomizeAppBuilder(AppBuilder builder) => builder.UseAndroid();
protected abstract AppBuilder CreateAppBuilder();
protected override void OnCreate(Bundle savedInstanceState)
{
var builder = AppBuilder.Configure<TApp>();
CustomizeAppBuilder(builder);
var builder = CreateAppBuilder();
var lifetime = new SingleViewLifetime();
@ -79,5 +82,24 @@ namespace Avalonia.Android
base.OnDestroy();
}
protected override void OnActivityResult(int requestCode, [GeneratedEnum] Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
ActivityResult?.Invoke(requestCode, resultCode, data);
}
}
public abstract class AvaloniaActivity<TApp> : AvaloniaActivity where TApp : Application, new()
{
protected virtual AppBuilder CustomizeAppBuilder(AppBuilder builder) => builder.UseAndroid();
protected override AppBuilder CreateAppBuilder()
{
var builder = AppBuilder.Configure<TApp>();
return CustomizeAppBuilder(builder);
}
}
}

8
src/Android/Avalonia.Android/Platform/SkiaPlatform/TopLevelImpl.cs

@ -7,6 +7,7 @@ using Android.Views.InputMethods;
using Avalonia.Android.OpenGL;
using Avalonia.Android.Platform.Specific;
using Avalonia.Android.Platform.Specific.Helpers;
using Avalonia.Android.Platform.Storage;
using Avalonia.Controls;
using Avalonia.Controls.Platform;
using Avalonia.Controls.Platform.Surfaces;
@ -16,11 +17,13 @@ using Avalonia.Input.TextInput;
using Avalonia.OpenGL.Egl;
using Avalonia.OpenGL.Surfaces;
using Avalonia.Platform;
using Avalonia.Platform.Storage;
using Avalonia.Rendering;
namespace Avalonia.Android.Platform.SkiaPlatform
{
class TopLevelImpl : IAndroidView, ITopLevelImpl, EglGlPlatformSurfaceBase.IEglWindowGlPlatformSurfaceInfo, ITopLevelImplWithTextInputMethod, ITopLevelImplWithNativeControlHost
class TopLevelImpl : IAndroidView, ITopLevelImpl, EglGlPlatformSurfaceBase.IEglWindowGlPlatformSurfaceInfo,
ITopLevelImplWithTextInputMethod, ITopLevelImplWithNativeControlHost, ITopLevelImplWithStorageProvider
{
private readonly IGlPlatformSurface _gl;
private readonly IFramebufferPlatformSurface _framebuffer;
@ -46,6 +49,7 @@ namespace Avalonia.Android.Platform.SkiaPlatform
_view.Resources.DisplayMetrics.HeightPixels).ToSize(RenderScaling);
NativeControlHost = new AndroidNativeControlHostImpl(avaloniaView);
StorageProvider = new AndroidStorageProvider((AvaloniaActivity)avaloniaView.Context);
}
public virtual Point GetAvaloniaPointFromEvent(MotionEvent e, int pointerIndex) =>
@ -225,6 +229,8 @@ namespace Avalonia.Android.Platform.SkiaPlatform
public ITextInputMethodImpl TextInputMethod => _textInputMethod;
public INativeControlHostImpl NativeControlHost { get; }
public IStorageProvider StorageProvider { get; }
public void SetTransparencyLevelHint(WindowTransparencyLevel transparencyLevel)
{

244
src/Android/Avalonia.Android/Platform/Storage/AndroidStorageItem.cs

@ -0,0 +1,244 @@
#nullable enable
using System;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Android.Content;
using Android.Provider;
using Avalonia.Logging;
using Avalonia.Platform.Storage;
using Java.Lang;
using AndroidUri = Android.Net.Uri;
using Exception = System.Exception;
using JavaFile = Java.IO.File;
namespace Avalonia.Android.Platform.Storage;
internal abstract class AndroidStorageItem : IStorageBookmarkItem
{
private Context? _context;
protected AndroidStorageItem(Context context, AndroidUri uri)
{
_context = context;
Uri = uri;
}
internal AndroidUri Uri { get; }
protected Context Context => _context ?? throw new ObjectDisposedException(nameof(AndroidStorageItem));
public string Name => GetColumnValue(Context, Uri, MediaStore.IMediaColumns.DisplayName)
?? Uri.PathSegments?.LastOrDefault() ?? string.Empty;
public bool CanBookmark => true;
public Task<string?> SaveBookmark()
{
Context.ContentResolver?.TakePersistableUriPermission(Uri, ActivityFlags.GrantWriteUriPermission | ActivityFlags.GrantReadUriPermission);
return Task.FromResult(Uri.ToString());
}
public Task ReleaseBookmark()
{
Context.ContentResolver?.ReleasePersistableUriPermission(Uri, ActivityFlags.GrantWriteUriPermission | ActivityFlags.GrantReadUriPermission);
return Task.CompletedTask;
}
public bool TryGetUri([NotNullWhen(true)] out Uri? uri)
{
uri = new Uri(Uri.ToString()!);
return true;
}
public abstract Task<StorageItemProperties> GetBasicPropertiesAsync();
protected string? GetColumnValue(Context context, AndroidUri contentUri, string column, string? selection = null, string[]? selectionArgs = null)
{
try
{
var projection = new[] { column };
using var cursor = context.ContentResolver!.Query(contentUri, projection, selection, selectionArgs, null);
if (cursor?.MoveToFirst() == true)
{
var columnIndex = cursor.GetColumnIndex(column);
if (columnIndex != -1)
return cursor.GetString(columnIndex);
}
}
catch (Exception ex)
{
Logger.TryGet(LogEventLevel.Verbose, LogArea.AndroidPlatform)?.Log(this, "File metadata reader failed: '{Exception}'", ex);
}
return null;
}
public Task<IStorageFolder?> GetParentAsync()
{
using var javaFile = new JavaFile(Uri.Path!);
// Java file represents files AND directories. Don't be confused.
if (javaFile.ParentFile is {} parentFile
&& AndroidUri.FromFile(parentFile) is {} androidUri)
{
return Task.FromResult<IStorageFolder?>(new AndroidStorageFolder(Context, androidUri));
}
return Task.FromResult<IStorageFolder?>(null);
}
public void Dispose()
{
_context = null;
}
}
internal sealed class AndroidStorageFolder : AndroidStorageItem, IStorageBookmarkFolder
{
public AndroidStorageFolder(Context context, AndroidUri uri) : base(context, uri)
{
}
public override Task<StorageItemProperties> GetBasicPropertiesAsync()
{
return Task.FromResult(new StorageItemProperties());
}
}
internal sealed class AndroidStorageFile : AndroidStorageItem, IStorageBookmarkFile
{
public AndroidStorageFile(Context context, AndroidUri uri) : base(context, uri)
{
}
public bool CanOpenRead => true;
public bool CanOpenWrite => true;
public Task<Stream> OpenRead() => Task.FromResult(OpenContentStream(Context, Uri, false)
?? throw new InvalidOperationException("Failed to open content stream"));
public Task<Stream> OpenWrite() => Task.FromResult(OpenContentStream(Context, Uri, true)
?? throw new InvalidOperationException("Failed to open content stream"));
private Stream? OpenContentStream(Context context, AndroidUri uri, bool isOutput)
{
var isVirtual = IsVirtualFile(context, uri);
if (isVirtual)
{
Logger.TryGet(LogEventLevel.Verbose, LogArea.AndroidPlatform)?.Log(this, "Content URI was virtual: '{Uri}'", uri);
return GetVirtualFileStream(context, uri, isOutput);
}
return isOutput
? context.ContentResolver?.OpenOutputStream(uri)
: context.ContentResolver?.OpenInputStream(uri);
}
private bool IsVirtualFile(Context context, AndroidUri uri)
{
if (!DocumentsContract.IsDocumentUri(context, uri))
return false;
var value = GetColumnValue(context, uri, DocumentsContract.Document.ColumnFlags);
if (!string.IsNullOrEmpty(value) && int.TryParse(value, out var flagsInt))
{
var flags = (DocumentContractFlags)flagsInt;
return flags.HasFlag(DocumentContractFlags.VirtualDocument);
}
return false;
}
private Stream? GetVirtualFileStream(Context context, AndroidUri uri, bool isOutput)
{
var mimeTypes = context.ContentResolver?.GetStreamTypes(uri, FilePickerFileTypes.All.MimeTypes![0]);
if (mimeTypes?.Length >= 1)
{
var mimeType = mimeTypes[0];
var asset = context.ContentResolver!
.OpenTypedAssetFileDescriptor(uri, mimeType, null);
var stream = isOutput
? asset?.CreateOutputStream()
: asset?.CreateInputStream();
return stream;
}
return null;
}
public override Task<StorageItemProperties> GetBasicPropertiesAsync()
{
ulong? size = null;
DateTimeOffset? itemDate = null;
DateTimeOffset? dateModified = null;
try
{
var projection = new[]
{
MediaStore.IMediaColumns.Size, MediaStore.IMediaColumns.DateAdded,
MediaStore.IMediaColumns.DateModified
};
using var cursor = Context.ContentResolver!.Query(Uri, projection, null, null, null);
if (cursor?.MoveToFirst() == true)
{
try
{
var columnIndex = cursor.GetColumnIndex(MediaStore.IMediaColumns.Size);
if (columnIndex != -1)
{
size = (ulong)cursor.GetLong(columnIndex);
}
}
catch (Exception ex)
{
Logger.TryGet(LogEventLevel.Verbose, LogArea.AndroidPlatform)?
.Log(this, "File Size metadata reader failed: '{Exception}'", ex);
}
try
{
var columnIndex = cursor.GetColumnIndex(MediaStore.IMediaColumns.DateAdded);
if (columnIndex != -1)
{
var longValue = cursor.GetLong(columnIndex);
itemDate = longValue > 0 ? DateTimeOffset.FromUnixTimeMilliseconds(longValue) : null;
}
}
catch (Exception ex)
{
Logger.TryGet(LogEventLevel.Verbose, LogArea.AndroidPlatform)?
.Log(this, "File DateAdded metadata reader failed: '{Exception}'", ex);
}
try
{
var columnIndex = cursor.GetColumnIndex(MediaStore.IMediaColumns.DateModified);
if (columnIndex != -1)
{
var longValue = cursor.GetLong(columnIndex);
dateModified = longValue > 0 ? DateTimeOffset.FromUnixTimeMilliseconds(longValue) : null;
}
}
catch (Exception ex)
{
Logger.TryGet(LogEventLevel.Verbose, LogArea.AndroidPlatform)?
.Log(this, "File DateAdded metadata reader failed: '{Exception}'", ex);
}
}
}
catch (UnsupportedOperationException)
{
// It's not possible to get parameters of some files/folders.
}
return Task.FromResult(new StorageItemProperties(size, itemDate, dateModified));
}
}

177
src/Android/Avalonia.Android/Platform/Storage/AndroidStorageProvider.cs

@ -0,0 +1,177 @@
#nullable enable
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Android.App;
using Android.Content;
using Android.Provider;
using Avalonia.Platform.Storage;
using AndroidUri = Android.Net.Uri;
namespace Avalonia.Android.Platform.Storage;
internal class AndroidStorageProvider : IStorageProvider
{
private readonly AvaloniaActivity _activity;
private int _lastRequestCode = 20000;
public AndroidStorageProvider(AvaloniaActivity activity)
{
_activity = activity;
}
public bool CanOpen => OperatingSystem.IsAndroidVersionAtLeast(19);
public bool CanSave => OperatingSystem.IsAndroidVersionAtLeast(19);
public bool CanPickFolder => OperatingSystem.IsAndroidVersionAtLeast(21);
public Task<IStorageBookmarkFolder?> OpenFolderBookmarkAsync(string bookmark)
{
var uri = AndroidUri.Parse(bookmark) ?? throw new ArgumentException("Couldn't parse Bookmark value", nameof(bookmark));
return Task.FromResult<IStorageBookmarkFolder?>(new AndroidStorageFolder(_activity, uri));
}
public Task<IStorageBookmarkFile?> OpenFileBookmarkAsync(string bookmark)
{
var uri = AndroidUri.Parse(bookmark) ?? throw new ArgumentException("Couldn't parse Bookmark value", nameof(bookmark));
return Task.FromResult<IStorageBookmarkFile?>(new AndroidStorageFile(_activity, uri));
}
public async Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options)
{
var mimeTypes = options.FileTypeFilter?.Where(t => t != FilePickerFileTypes.All)
.SelectMany(f => f.MimeTypes ?? Array.Empty<string>()).Distinct().ToArray() ?? Array.Empty<string>();
var intent = new Intent(Intent.ActionOpenDocument)
.AddCategory(Intent.CategoryOpenable)
.PutExtra(Intent.ExtraAllowMultiple, options.AllowMultiple)
.SetType(FilePickerFileTypes.All.MimeTypes![0]);
if (mimeTypes.Length > 0)
{
intent = intent.PutExtra(Intent.ExtraMimeTypes, mimeTypes);
}
if (TryGetInitialUri(options.SuggestedStartLocation) is { } initialUri)
{
intent = intent.PutExtra(DocumentsContract.ExtraInitialUri, initialUri);
}
var pickerIntent = Intent.CreateChooser(intent, options.Title ?? "Select file");
var uris = await StartActivity(pickerIntent, false);
return uris.Select(u => new AndroidStorageFile(_activity, u)).ToArray();
}
public async Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options)
{
var mimeTypes = options.FileTypeChoices?.Where(t => t != FilePickerFileTypes.All)
.SelectMany(f => f.MimeTypes ?? Array.Empty<string>()).Distinct().ToArray() ?? Array.Empty<string>();
var intent = new Intent(Intent.ActionCreateDocument)
.AddCategory(Intent.CategoryOpenable)
.SetType(FilePickerFileTypes.All.MimeTypes![0]);
if (mimeTypes.Length > 0)
{
intent = intent.PutExtra(Intent.ExtraMimeTypes, mimeTypes);
}
if (options.SuggestedFileName is { } fileName)
{
if (options.DefaultExtension is { } ext)
{
fileName += ext.StartsWith('.') ? ext : "." + ext;
}
intent = intent.PutExtra(Intent.ExtraTitle, fileName);
}
if (TryGetInitialUri(options.SuggestedStartLocation) is { } initialUri)
{
intent = intent.PutExtra(DocumentsContract.ExtraInitialUri, initialUri);
}
var pickerIntent = Intent.CreateChooser(intent, options.Title ?? "Save file");
var uris = await StartActivity(pickerIntent, true);
return uris.Select(u => new AndroidStorageFile(_activity, u)).FirstOrDefault();
}
public async Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options)
{
var intent = new Intent(Intent.ActionOpenDocumentTree)
.PutExtra(Intent.ExtraAllowMultiple, options.AllowMultiple);
if (TryGetInitialUri(options.SuggestedStartLocation) is { } initialUri)
{
intent = intent.PutExtra(DocumentsContract.ExtraInitialUri, initialUri);
}
var pickerIntent = Intent.CreateChooser(intent, options.Title ?? "Select folder");
var uris = await StartActivity(pickerIntent, false);
return uris.Select(u => new AndroidStorageFolder(_activity, u)).ToArray();
}
private async Task<List<AndroidUri>> StartActivity(Intent? pickerIntent, bool singleResult)
{
var resultList = new List<AndroidUri>(1);
var tcs = new TaskCompletionSource<Intent?>();
var currentRequestCode = _lastRequestCode++;
_activity.ActivityResult += OnActivityResult;
_activity.StartActivityForResult(pickerIntent, currentRequestCode);
var result = await tcs.Task;
if (result != null)
{
// ClipData first to avoid issue with multiple files selection.
if (!singleResult && result.ClipData is { } clipData)
{
for (var i = 0; i < clipData.ItemCount; i++)
{
var uri = clipData.GetItemAt(i)?.Uri;
if (uri != null)
{
resultList.Add(uri);
}
}
}
else if (result.Data is { } uri)
{
resultList.Add(uri);
}
}
if (result?.HasExtra("error") == true)
{
throw new Exception(result.GetStringExtra("error"));
}
return resultList;
void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
if (currentRequestCode != requestCode)
{
return;
}
_activity.ActivityResult -= OnActivityResult;
_ = tcs.TrySetResult(resultCode == Result.Ok ? data : null);
}
}
private static AndroidUri? TryGetInitialUri(IStorageFolder? folder)
{
if (OperatingSystem.IsAndroidVersionAtLeast(26)
&& (folder as AndroidStorageItem)?.Uri is { } uri)
{
return uri;
}
return null;
}
}

20
src/Android/Avalonia.Android/SystemDialogImpl.cs

@ -1,20 +0,0 @@
using System;
using System.Threading.Tasks;
using Avalonia.Controls;
using Avalonia.Controls.Platform;
namespace Avalonia.Android
{
internal class SystemDialogImpl : ISystemDialogImpl
{
public Task<string[]> ShowFileDialogAsync(FileDialog dialog, Window parent)
{
throw new NotImplementedException();
}
public Task<string> ShowFolderDialogAsync(OpenFolderDialog dialog, Window parent)
{
throw new NotImplementedException();
}
}
}

119
src/Avalonia.Base/Controls/ResourceDictionary.cs

@ -1,38 +1,45 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using Avalonia.Collections;
using Avalonia.Metadata;
#nullable enable
namespace Avalonia.Controls
{
/// <summary>
/// An indexed dictionary of resources.
/// </summary>
public class ResourceDictionary : AvaloniaDictionary<object, object?>, IResourceDictionary
public class ResourceDictionary : IResourceDictionary
{
private Dictionary<object, object?>? _inner;
private IResourceHost? _owner;
private AvaloniaList<IResourceProvider>? _mergedDictionaries;
/// <summary>
/// Initializes a new instance of the <see cref="ResourceDictionary"/> class.
/// </summary>
public ResourceDictionary()
{
CollectionChanged += OnCollectionChanged;
}
public ResourceDictionary() { }
/// <summary>
/// Initializes a new instance of the <see cref="ResourceDictionary"/> class.
/// </summary>
public ResourceDictionary(IResourceHost owner)
: this()
public ResourceDictionary(IResourceHost owner) => Owner = owner;
public int Count => _inner?.Count ?? 0;
public object? this[object key]
{
Owner = owner;
get => _inner?[key];
set
{
Inner[key] = value;
Owner?.NotifyHostedResourcesChanged(ResourcesChangedEventArgs.Empty);
}
}
public ICollection<object> Keys => (ICollection<object>?)_inner?.Keys ?? Array.Empty<object>();
public ICollection<object?> Values => (ICollection<object?>?)_inner?.Values ?? Array.Empty<object?>();
public IResourceHost? Owner
{
get => _owner;
@ -80,7 +87,7 @@ namespace Avalonia.Controls
{
get
{
if (Count > 0)
if (_inner?.Count > 0)
{
return true;
}
@ -100,11 +107,43 @@ namespace Avalonia.Controls
}
}
bool ICollection<KeyValuePair<object, object?>>.IsReadOnly => false;
private Dictionary<object, object?> Inner => _inner ??= new();
public event EventHandler? OwnerChanged;
public void Add(object key, object? value)
{
Inner.Add(key, value);
Owner?.NotifyHostedResourcesChanged(ResourcesChangedEventArgs.Empty);
}
public void Clear()
{
if (_inner?.Count > 0)
{
_inner.Clear();
Owner?.NotifyHostedResourcesChanged(ResourcesChangedEventArgs.Empty);
}
}
public bool ContainsKey(object key) => _inner?.ContainsKey(key) ?? false;
public bool Remove(object key)
{
if (_inner?.Remove(key) == true)
{
Owner?.NotifyHostedResourcesChanged(ResourcesChangedEventArgs.Empty);
return true;
}
return false;
}
public bool TryGetResource(object key, out object? value)
{
if (TryGetValue(key, out value))
if (_inner is not null && _inner.TryGetValue(key, out value))
{
return true;
}
@ -120,9 +159,52 @@ namespace Avalonia.Controls
}
}
value = null;
return false;
}
public bool TryGetValue(object key, out object? value)
{
if (_inner is not null)
return _inner.TryGetValue(key, out value);
value = null;
return false;
}
void ICollection<KeyValuePair<object, object?>>.Add(KeyValuePair<object, object?> item)
{
Add(item.Key, item.Value);
}
bool ICollection<KeyValuePair<object, object?>>.Contains(KeyValuePair<object, object?> item)
{
return (_inner as ICollection<KeyValuePair<object, object?>>)?.Contains(item) ?? false;
}
void ICollection<KeyValuePair<object, object?>>.CopyTo(KeyValuePair<object, object?>[] array, int arrayIndex)
{
(_inner as ICollection<KeyValuePair<object, object?>>)?.CopyTo(array, arrayIndex);
}
bool ICollection<KeyValuePair<object, object?>>.Remove(KeyValuePair<object, object?> item)
{
if ((_inner as ICollection<KeyValuePair<object, object?>>)?.Remove(item) == true)
{
Owner?.NotifyHostedResourcesChanged(ResourcesChangedEventArgs.Empty);
return true;
}
return false;
}
public IEnumerator<KeyValuePair<object, object?>> GetEnumerator()
{
return _inner?.GetEnumerator() ?? Enumerable.Empty<KeyValuePair<object, object?>>().GetEnumerator();
}
IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
void IResourceProvider.AddOwner(IResourceHost owner)
{
owner = owner ?? throw new ArgumentNullException(nameof(owner));
@ -134,7 +216,7 @@ namespace Avalonia.Controls
Owner = owner;
var hasResources = Count > 0;
var hasResources = _inner?.Count > 0;
if (_mergedDictionaries is object)
{
@ -159,7 +241,7 @@ namespace Avalonia.Controls
{
Owner = null;
var hasResources = Count > 0;
var hasResources = _inner?.Count > 0;
if (_mergedDictionaries is object)
{
@ -176,10 +258,5 @@ namespace Avalonia.Controls
}
}
}
private void OnCollectionChanged(object? sender, NotifyCollectionChangedEventArgs e)
{
Owner?.NotifyHostedResourcesChanged(ResourcesChangedEventArgs.Empty);
}
}
}

5
src/Avalonia.Base/Input/GestureRecognizers/ScrollGestureRecognizer.cs

@ -66,7 +66,8 @@ namespace Avalonia.Input.GestureRecognizers
public void PointerPressed(PointerPressedEventArgs e)
{
if (e.Pointer.IsPrimary && e.Pointer.Type == PointerType.Touch)
if (e.Pointer.IsPrimary &&
(e.Pointer.Type == PointerType.Touch || e.Pointer.Type == PointerType.Pen))
{
EndGesture();
_tracking = e.Pointer;
@ -101,7 +102,7 @@ namespace Avalonia.Input.GestureRecognizers
if (_scrolling)
{
var vector = _trackedRootPoint - rootPoint;
var elapsed = _lastMoveTimestamp.HasValue ?
var elapsed = _lastMoveTimestamp.HasValue && _lastMoveTimestamp < e.Timestamp ?
TimeSpan.FromMilliseconds(e.Timestamp - _lastMoveTimestamp.Value) :
TimeSpan.Zero;

7
src/Avalonia.Base/Input/IKeyboardDevice.cs

@ -43,12 +43,17 @@ namespace Avalonia.Input
Control = 2,
Shift = 4,
Meta = 8,
LeftMouseButton = 16,
RightMouseButton = 32,
MiddleMouseButton = 64,
XButton1MouseButton = 128,
XButton2MouseButton = 256,
KeyboardMask = Alt | Control | Shift | Meta
KeyboardMask = Alt | Control | Shift | Meta,
PenInverted = 512,
PenEraser = 1024,
PenBarrelButton = 2048
}
[NotClientImplementable]

10
src/Avalonia.Base/Input/IPenDevice.cs

@ -0,0 +1,10 @@
namespace Avalonia.Input
{
/// <summary>
/// Represents a pen/stylus device.
/// </summary>
public interface IPenDevice : IPointerDevice
{
}
}

43
src/Avalonia.Base/Input/IPointer.cs

@ -2,20 +2,59 @@ using Avalonia.Metadata;
namespace Avalonia.Input
{
/// <summary>
/// Identifies specific pointer generated by input device.
/// </summary>
/// <remarks>
/// Some devices, for instance, touchscreen might generate a pointer on each physical contact.
/// </remarks>
[NotClientImplementable]
public interface IPointer
{
/// <summary>
/// Gets a unique identifier for the input pointer.
/// </summary>
int Id { get; }
/// <summary>
/// Captures pointer input to the specified control.
/// </summary>
/// <param name="control">The control.</param>
/// <remarks>
/// When an element captures the pointer, it receives pointer input whether the cursor is
/// within the control's bounds or not. The current pointer capture control is exposed
/// by the <see cref="Captured"/> property.
/// </remarks>
void Capture(IInputElement? control);
/// <summary>
/// Gets the control that is currently capturing by the pointer, if any.
/// </summary>
/// <remarks>
/// When an element captures the pointer, it receives pointer input whether the cursor is
/// within the control's bounds or not. To set the pointer capture, call the
/// <see cref="Capture"/> method.
/// </remarks>
IInputElement? Captured { get; }
/// <summary>
/// Gets the pointer device type.
/// </summary>
PointerType Type { get; }
/// <summary>
/// Gets a value that indicates whether the input is from the primary pointer when multiple pointers are registered.
/// </summary>
bool IsPrimary { get; }
}
/// <summary>
/// Enumerates pointer device types.
/// </summary>
public enum PointerType
{
Mouse,
Touch
Touch,
Pen
}
}

174
src/Avalonia.Base/Input/PenDevice.cs

@ -0,0 +1,174 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Linq;
using Avalonia.Input.Raw;
using Avalonia.Platform;
using Avalonia.VisualTree;
namespace Avalonia.Input
{
/// <summary>
/// Represents a pen/stylus device.
/// </summary>
public class PenDevice : IPenDevice, IDisposable
{
private readonly Dictionary<long, Pointer> _pointers = new();
private readonly Dictionary<long, PixelPoint> _lastPositions = new();
private int _clickCount;
private Rect _lastClickRect;
private ulong _lastClickTime;
private MouseButton _lastMouseDownButton;
private bool _disposed;
public void ProcessRawEvent(RawInputEventArgs e)
{
if (!e.Handled && e is RawPointerEventArgs margs)
ProcessRawEvent(margs);
}
private void ProcessRawEvent(RawPointerEventArgs e)
{
e = e ?? throw new ArgumentNullException(nameof(e));
if (!_pointers.TryGetValue(e.RawPointerId, out var pointer))
{
if (e.Type == RawPointerEventType.LeftButtonUp
|| e.Type == RawPointerEventType.TouchEnd)
return;
_pointers[e.RawPointerId] = pointer = new Pointer(Pointer.GetNextFreeId(),
PointerType.Pen, _pointers.Count == 0);
}
_lastPositions[e.RawPointerId] = e.Root.PointToScreen(e.Position);
var props = new PointerPointProperties(e.InputModifiers, e.Type.ToUpdateKind(),
e.Point.Twist, e.Point.Pressure, e.Point.XTilt, e.Point.YTilt);
var keyModifiers = e.InputModifiers.ToKeyModifiers();
bool shouldReleasePointer = false;
switch (e.Type)
{
case RawPointerEventType.LeaveWindow:
shouldReleasePointer = true;
break;
case RawPointerEventType.LeftButtonDown:
e.Handled = PenDown(pointer, e.Timestamp, e.Root, e.Position, props, keyModifiers, e.InputHitTestResult);
break;
case RawPointerEventType.LeftButtonUp:
e.Handled = PenUp(pointer, e.Timestamp, e.Root, e.Position, props, keyModifiers, e.InputHitTestResult);
break;
case RawPointerEventType.Move:
e.Handled = PenMove(pointer, e.Timestamp, e.Root, e.Position, props, keyModifiers, e.InputHitTestResult, e.IntermediatePoints);
break;
}
if (shouldReleasePointer)
{
pointer.Dispose();
_pointers.Remove(e.RawPointerId);
_lastPositions.Remove(e.RawPointerId);
}
}
private bool PenDown(Pointer pointer, ulong timestamp,
IInputElement root, Point p, PointerPointProperties properties,
KeyModifiers inputModifiers, IInputElement? hitTest)
{
var source = pointer.Captured ?? hitTest;
if (source != null)
{
pointer.Capture(source);
var settings = AvaloniaLocator.Current.GetService<IPlatformSettings>();
var doubleClickTime = settings?.DoubleClickTime.TotalMilliseconds ?? 500;
var doubleClickSize = settings?.DoubleClickSize ?? new Size(4, 4);
if (!_lastClickRect.Contains(p) || timestamp - _lastClickTime > doubleClickTime)
{
_clickCount = 0;
}
++_clickCount;
_lastClickTime = timestamp;
_lastClickRect = new Rect(p, new Size())
.Inflate(new Thickness(doubleClickSize.Width / 2, doubleClickSize.Height / 2));
_lastMouseDownButton = properties.PointerUpdateKind.GetMouseButton();
var e = new PointerPressedEventArgs(source, pointer, root, p, timestamp, properties, inputModifiers, _clickCount);
source.RaiseEvent(e);
return e.Handled;
}
return false;
}
private bool PenMove(Pointer pointer, ulong timestamp,
IInputRoot root, Point p, PointerPointProperties properties,
KeyModifiers inputModifiers, IInputElement? hitTest,
Lazy<IReadOnlyList<RawPointerPoint>?>? intermediatePoints)
{
var source = pointer.Captured ?? hitTest;
if (source is not null)
{
var e = new PointerEventArgs(InputElement.PointerMovedEvent, source, pointer, root,
p, timestamp, properties, inputModifiers, intermediatePoints);
source.RaiseEvent(e);
return e.Handled;
}
return false;
}
private bool PenUp(Pointer pointer, ulong timestamp,
IInputElement root, Point p, PointerPointProperties properties,
KeyModifiers inputModifiers, IInputElement? hitTest)
{
var source = pointer.Captured ?? hitTest;
if (source is not null)
{
var e = new PointerReleasedEventArgs(source, pointer, root, p, timestamp, properties, inputModifiers,
_lastMouseDownButton);
source?.RaiseEvent(e);
pointer.Capture(null);
return e.Handled;
}
return false;
}
public void Dispose()
{
if (_disposed)
return;
var values = _pointers.Values.ToList();
_pointers.Clear();
_disposed = true;
foreach (var p in values)
p.Dispose();
}
[Obsolete]
IInputElement? IPointerDevice.Captured => _pointers.Values
.FirstOrDefault(p => p.IsPrimary)?.Captured;
[Obsolete]
void IPointerDevice.Capture(IInputElement? control) => _pointers.Values
.FirstOrDefault(p => p.IsPrimary)?.Capture(control);
[Obsolete]
Point IPointerDevice.GetPosition(IVisual relativeTo) => new Point(-1, -1);
public IPointer? TryGetPointer(RawPointerEventArgs ev)
{
return _pointers.TryGetValue(ev.RawPointerId, out var pointer)
? pointer
: null;
}
}
}

22
src/Avalonia.Base/Input/PointerEventArgs.cs

@ -67,7 +67,14 @@ namespace Avalonia.Input
public IPointer? TryGetPointer(RawPointerEventArgs ev) => _ev.Pointer;
}
/// <summary>
/// Gets specific pointer generated by input device.
/// </summary>
public IPointer Pointer { get; }
/// <summary>
/// Gets the time when the input occurred.
/// </summary>
public ulong Timestamp { get; }
private IPointerDevice? _device;
@ -91,7 +98,10 @@ namespace Avalonia.Input
return mods;
}
}
/// <summary>
/// Gets a value that indicates which key modifiers were active at the time that the pointer event was initiated.
/// </summary>
public KeyModifiers KeyModifiers { get; }
private Point GetPosition(Point pt, IVisual? relativeTo)
@ -102,7 +112,12 @@ namespace Avalonia.Input
return pt;
return pt * _rootVisual.TransformToVisual(relativeTo) ?? default;
}
/// <summary>
/// Gets the pointer position relative to a control.
/// </summary>
/// <param name="relativeTo">The control.</param>
/// <returns>The pointer position in the control's coordinates.</returns>
public Point GetPosition(IVisual? relativeTo) => GetPosition(_rootVisualPosition, relativeTo);
[Obsolete("Use GetCurrentPoint")]
@ -130,7 +145,8 @@ namespace Avalonia.Input
for (var c = 0; c < previousPoints.Count; c++)
{
var pt = previousPoints[c];
points[c] = new PointerPoint(Pointer, GetPosition(pt.Position, relativeTo), _properties);
var pointProperties = new PointerPointProperties(_properties, pt);
points[c] = new PointerPoint(Pointer, GetPosition(pt.Position, relativeTo), pointProperties);
}
points[points.Length - 1] = GetCurrentPoint(relativeTo);

125
src/Avalonia.Base/Input/PointerPoint.cs

@ -1,5 +1,10 @@
using Avalonia.Input.Raw;
namespace Avalonia.Input
{
/// <summary>
/// Provides basic properties for the input pointer associated with a single mouse, pen/stylus, or touch contact.
/// </summary>
public sealed class PointerPoint
{
public PointerPoint(IPointer pointer, Point position, PointerPointProperties properties)
@ -8,25 +13,109 @@ namespace Avalonia.Input
Position = position;
Properties = properties;
}
/// <summary>
/// Gets specific pointer generated by input device.
/// </summary>
public IPointer Pointer { get; }
/// <summary>
/// Gets extended information about the input pointer.
/// </summary>
public PointerPointProperties Properties { get; }
/// <summary>
/// Gets the location of the pointer input in client coordinates.
/// </summary>
public Point Position { get; }
}
/// <summary>
/// Provides extended properties for a PointerPoint object.
/// </summary>
public sealed class PointerPointProperties
{
/// <summary>
/// Gets a value that indicates whether the pointer input was triggered by the primary action mode of an input device.
/// </summary>
public bool IsLeftButtonPressed { get; }
/// <summary>
/// Gets a value that indicates whether the pointer input was triggered by the tertiary action mode of an input device.
/// </summary>
public bool IsMiddleButtonPressed { get; }
/// <summary>
/// Gets a value that indicates whether the pointer input was triggered by the secondary action mode (if supported) of an input device.
/// </summary>
public bool IsRightButtonPressed { get; }
/// <summary>
/// Gets a value that indicates whether the pointer input was triggered by the first extended mouse button (XButton1).
/// </summary>
public bool IsXButton1Pressed { get; }
/// <summary>
/// Gets a value that indicates whether the pointer input was triggered by the second extended mouse button (XButton2).
/// </summary>
public bool IsXButton2Pressed { get; }
/// <summary>
/// Gets a value that indicates whether the barrel button of the pen/stylus device is pressed.
/// </summary>
public bool IsBarrelButtonPressed { get; }
/// <summary>
/// Gets a value that indicates whether the input is from a pen eraser.
/// </summary>
public bool IsEraser { get; }
/// <summary>
/// Gets a value that indicates whether the digitizer pen is inverted.
/// </summary>
public bool IsInverted { get; }
/// <summary>
/// Gets the clockwise rotation in degrees of a pen device around its own major axis (such as when the user spins the pen in their fingers).
/// </summary>
/// <returns>
/// A value between 0.0 and 359.0 in degrees of rotation. The default value is 0.0.
/// </returns>
public float Twist { get; }
/// <summary>
/// Gets a value that indicates the force that the pointer device (typically a pen/stylus) exerts on the surface of the digitizer.
/// </summary>
/// <returns>
/// A value from 0 to 1.0. The default value is 0.5.
/// </returns>
public float Pressure { get; } = 0.5f;
/// <summary>
/// Gets the plane angle between the Y-Z plane and the plane that contains the Y axis and the axis of the input device (typically a pen/stylus).
/// </summary>
/// <returns>
/// The value is 0.0 when the finger or pen is perpendicular to the digitizer surface, between 0.0 and 90.0 when tilted to the right of perpendicular, and between 0.0 and -90.0 when tilted to the left of perpendicular. The default value is 0.0.
/// </returns>
public float XTilt { get; }
/// <summary>
/// Gets the plane angle between the X-Z plane and the plane that contains the X axis and the axis of the input device (typically a pen/stylus).
/// </summary>
/// <returns>
/// The value is 0.0 when the finger or pen is perpendicular to the digitizer surface, between 0.0 and 90.0 when tilted towards the user, and between 0.0 and -90.0 when tilted away from the user. The default value is 0.0.
/// </returns>
public float YTilt { get; }
/// <summary>
/// Gets the kind of pointer state change.
/// </summary>
public PointerUpdateKind PointerUpdateKind { get; }
private PointerPointProperties()
{
{
}
public PointerPointProperties(RawInputModifiers modifiers, PointerUpdateKind kind)
{
PointerUpdateKind = kind;
@ -36,10 +125,13 @@ namespace Avalonia.Input
IsRightButtonPressed = modifiers.HasAllFlags(RawInputModifiers.RightMouseButton);
IsXButton1Pressed = modifiers.HasAllFlags(RawInputModifiers.XButton1MouseButton);
IsXButton2Pressed = modifiers.HasAllFlags(RawInputModifiers.XButton2MouseButton);
IsInverted = modifiers.HasAllFlags(RawInputModifiers.PenInverted);
IsEraser = modifiers.HasAllFlags(RawInputModifiers.PenEraser);
IsBarrelButtonPressed = modifiers.HasAllFlags(RawInputModifiers.PenBarrelButton);
// The underlying input source might be reporting the previous state,
// so make sure that we reflect the current state
if (kind == PointerUpdateKind.LeftButtonPressed)
IsLeftButtonPressed = true;
if (kind == PointerUpdateKind.LeftButtonReleased)
@ -62,6 +154,33 @@ namespace Avalonia.Input
IsXButton2Pressed = false;
}
public PointerPointProperties(RawInputModifiers modifiers, PointerUpdateKind kind,
float twist, float pressure, float xTilt, float yTilt
) : this (modifiers, kind)
{
Twist = twist;
Pressure = pressure;
XTilt = xTilt;
YTilt = yTilt;
}
internal PointerPointProperties(PointerPointProperties basedOn, RawPointerPoint rawPoint)
{
IsLeftButtonPressed = basedOn.IsLeftButtonPressed;
IsMiddleButtonPressed = basedOn.IsMiddleButtonPressed;
IsRightButtonPressed = basedOn.IsRightButtonPressed;
IsXButton1Pressed = basedOn.IsXButton1Pressed;
IsXButton2Pressed = basedOn.IsXButton2Pressed;
IsInverted = basedOn.IsInverted;
IsEraser = basedOn.IsEraser;
IsBarrelButtonPressed = basedOn.IsBarrelButtonPressed;
Twist = rawPoint.Twist;
Pressure = rawPoint.Pressure;
XTilt = rawPoint.XTilt;
YTilt = rawPoint.YTilt;
}
public static PointerPointProperties None { get; } = new PointerPointProperties();
}

19
src/Avalonia.Base/Input/Raw/RawPointerEventArgs.cs

@ -56,11 +56,12 @@ namespace Avalonia.Input.Raw
Contract.Requires<ArgumentNullException>(device != null);
Contract.Requires<ArgumentNullException>(root != null);
Point = new RawPointerPoint();
Position = position;
Type = type;
InputModifiers = inputModifiers;
}
/// <summary>
/// Initializes a new instance of the <see cref="RawPointerEventArgs"/> class.
/// </summary>
@ -87,6 +88,11 @@ namespace Avalonia.Input.Raw
InputModifiers = inputModifiers;
}
/// <summary>
/// Gets the raw pointer identifier.
/// </summary>
public long RawPointerId { get; set; }
/// <summary>
/// Gets the pointer properties and position, in client DIPs.
/// </summary>
@ -130,10 +136,17 @@ namespace Avalonia.Input.Raw
/// Pointer position, in client DIPs.
/// </summary>
public Point Position { get; set; }
public float Twist { get; set; }
public float Pressure { get; set; }
public float XTilt { get; set; }
public float YTilt { get; set; }
public RawPointerPoint()
{
Position = default;
this = default;
Pressure = 0.5f;
}
}
}

17
src/Avalonia.Base/Input/Raw/RawTouchEventArgs.cs

@ -1,15 +1,26 @@
using System;
namespace Avalonia.Input.Raw
{
public class RawTouchEventArgs : RawPointerEventArgs
{
public RawTouchEventArgs(IInputDevice device, ulong timestamp, IInputRoot root,
RawPointerEventType type, Point position, RawInputModifiers inputModifiers,
long touchPointId)
long rawPointerId)
: base(device, timestamp, root, type, position, inputModifiers)
{
TouchPointId = touchPointId;
RawPointerId = rawPointerId;
}
public RawTouchEventArgs(IInputDevice device, ulong timestamp, IInputRoot root,
RawPointerEventType type, RawPointerPoint point, RawInputModifiers inputModifiers,
long rawPointerId)
: base(device, timestamp, root, type, point, inputModifiers)
{
RawPointerId = rawPointerId;
}
public long TouchPointId { get; set; }
[Obsolete("Use RawPointerId")]
public long TouchPointId { get => RawPointerId; set => RawPointerId = value; }
}
}

13
src/Avalonia.Base/Input/TouchDevice.cs

@ -40,14 +40,14 @@ namespace Avalonia.Input
{
if (ev.Handled || _disposed)
return;
var args = (RawTouchEventArgs)ev;
if (!_pointers.TryGetValue(args.TouchPointId, out var pointer))
var args = (RawPointerEventArgs)ev;
if (!_pointers.TryGetValue(args.RawPointerId, out var pointer))
{
if (args.Type == RawPointerEventType.TouchEnd)
return;
var hit = args.InputHitTestResult;
_pointers[args.TouchPointId] = pointer = new Pointer(Pointer.GetNextFreeId(),
_pointers[args.RawPointerId] = pointer = new Pointer(Pointer.GetNextFreeId(),
PointerType.Touch, _pointers.Count == 0);
pointer.Capture(hit);
}
@ -88,7 +88,7 @@ namespace Avalonia.Input
if (args.Type == RawPointerEventType.TouchEnd)
{
_pointers.Remove(args.TouchPointId);
_pointers.Remove(args.RawPointerId);
using (pointer)
{
target.RaiseEvent(new PointerReleasedEventArgs(target, pointer,
@ -101,7 +101,7 @@ namespace Avalonia.Input
if (args.Type == RawPointerEventType.TouchCancel)
{
_pointers.Remove(args.TouchPointId);
_pointers.Remove(args.RawPointerId);
using (pointer)
pointer.Capture(null);
_lastPointer = null;
@ -129,8 +129,7 @@ namespace Avalonia.Input
public IPointer? TryGetPointer(RawPointerEventArgs ev)
{
return ev is RawTouchEventArgs args
&& _pointers.TryGetValue(args.TouchPointId, out var pointer)
return _pointers.TryGetValue(ev.RawPointerId, out var pointer)
? pointer
: null;
}

10
src/Avalonia.Base/Logging/LogArea.cs

@ -44,5 +44,15 @@ namespace Avalonia.Logging
/// The log event comes from X11Platform.
/// </summary>
public const string X11Platform = nameof(X11Platform);
/// <summary>
/// The log event comes from AndroidPlatform.
/// </summary>
public const string AndroidPlatform = nameof(AndroidPlatform);
/// <summary>
/// The log event comes from IOSPlatform.
/// </summary>
public const string IOSPlatform = nameof(IOSPlatform);
}
}

8
src/Avalonia.Base/Media/TextFormatting/TextFormatterImpl.cs

@ -159,7 +159,6 @@ namespace Avalonia.Media.TextFormatting
{
var flowDirection = paragraphProperties.FlowDirection;
var drawableTextRuns = new List<DrawableTextRun>();
var biDiData = new BidiData((sbyte)flowDirection);
foreach (var textRun in textRuns)
@ -174,10 +173,9 @@ namespace Avalonia.Media.TextFormatting
{
biDiData.Append(textRun.Text);
}
}
var biDi = BidiAlgorithm.Instance.Value!;
var biDi = new BidiAlgorithm();
biDi.Process(biDiData);
@ -290,9 +288,7 @@ namespace Avalonia.Media.TextFormatting
/// <param name="textCharacters">The text characters to form <see cref="ShapeableTextCharacters"/> from.</param>
/// <param name="levels">The bidi levels.</param>
/// <returns></returns>
private static IEnumerable<IReadOnlyList<TextRun>> CoalesceLevels(
IReadOnlyList<TextRun> textCharacters,
ReadOnlySlice<sbyte> levels)
private static IEnumerable<IReadOnlyList<TextRun>> CoalesceLevels(IReadOnlyList<TextRun> textCharacters, ArraySlice<sbyte> levels)
{
if (levels.Length == 0)
{

498
src/Avalonia.Base/Media/TextFormatting/Unicode/BiDi.trie.cs

@ -1,42 +1,472 @@
using System;
namespace Avalonia.Media.TextFormatting.Unicode
{
internal static class BiDiTrie
internal static class BidiTrie
{
public static ReadOnlySpan<byte> Data => new byte[]
{
0,16,0,0,0,0,0,0,0,0,174,224,0,68,12,187,243,236,157,11,176,85,85,25,199,151,115,207,189,247,156,203,227,94,244,132,151,128,58,122,53,184,10,74,112,26,206,61,64,105,130,89,22,163,121,85,12,17,38,26,7,197,72,37,152,166,59,56,142,132,236,64,144,16,196,212,6,26,167,98,34,197,158,71,83,10,134,116,116,236,161,165,4,50,38,61,40,64,137,178,
28,109,6,164,255,102,175,205,93,44,246,99,61,247,62,192,254,102,126,243,173,189,246,218,235,251,214,183,190,253,60,251,156,51,171,129,144,91,193,87,192,157,224,1,176,14,172,7,143,3,7,172,144,208,63,3,191,0,207,130,223,130,109,224,79,224,85,240,23,176,15,188,5,246,131,183,3,182,63,4,26,115,225,253,247,193,186,51,192,96,208,1,206,7,99,64,23,184,24,92,
10,38,131,43,193,117,96,6,152,5,230,128,249,96,30,88,0,22,129,101,224,223,121,66,222,5,7,65,174,64,200,80,212,141,6,99,193,90,44,175,134,94,227,150,115,132,124,15,108,4,143,131,39,192,102,240,28,93,126,17,188,194,44,191,6,118,211,246,251,193,219,116,251,67,57,111,44,141,141,132,20,192,0,112,6,24,12,58,26,123,251,63,191,209,107,127,24,109,47,108,
244,236,249,246,29,212,141,109,244,180,203,4,148,39,49,203,159,68,249,74,186,124,53,244,245,180,252,5,232,91,192,92,112,144,246,227,128,30,44,47,4,75,193,125,76,63,142,65,30,162,253,62,194,245,191,193,176,189,31,115,253,61,133,229,167,192,211,24,239,211,116,204,91,176,252,124,163,231,203,75,92,251,237,88,126,148,137,141,3,118,161,110,15,215,110,31,150,107,200,143,
183,104,253,255,160,79,107,242,202,5,232,211,105,253,155,232,107,64,147,55,239,131,154,188,249,60,139,182,27,78,245,72,170,29,134,49,168,27,23,80,239,80,182,129,223,180,168,197,232,227,232,247,83,96,50,184,6,244,96,28,27,193,13,40,223,8,22,162,188,24,204,199,24,230,96,121,62,184,131,250,114,119,147,55,110,159,217,76,185,22,192,38,112,15,221,118,37,244,55,185,
237,107,224,48,234,182,210,242,90,102,204,223,13,104,91,19,96,67,200,118,47,48,229,223,131,29,133,248,88,241,125,252,153,234,61,224,128,164,95,239,128,67,92,157,19,149,203,77,92,46,55,29,159,3,110,31,141,200,131,45,180,175,124,75,111,223,173,76,185,198,113,38,214,13,5,91,209,231,11,76,191,127,104,234,221,39,55,198,196,229,231,104,187,137,46,239,68,249,175,180,
159,55,160,255,195,249,234,128,119,154,142,221,127,30,51,184,223,59,25,36,139,1,57,101,98,80,19,56,126,56,25,36,139,1,201,98,208,144,197,32,139,1,201,98,208,144,197,32,139,1,201,98,208,144,197,160,94,99,176,179,201,187,174,117,159,9,56,2,237,115,205,189,229,66,179,247,44,205,95,190,150,62,163,217,203,212,13,96,218,59,96,16,150,75,180,110,24,179,110,36,
182,185,144,46,143,133,254,40,45,175,198,115,156,75,104,249,49,250,156,232,114,44,95,213,236,61,183,115,151,175,109,246,158,211,77,231,108,29,224,158,33,221,200,173,119,50,72,22,3,146,197,160,33,139,65,22,3,146,197,160,33,139,65,22,3,146,197,160,225,196,141,193,205,184,198,107,193,53,104,255,130,247,185,178,10,231,182,28,95,247,29,212,141,4,31,1,75,209,247,189,
96,46,103,227,81,172,187,28,117,183,195,135,175,130,187,184,235,205,53,117,240,252,184,212,223,99,6,88,71,203,165,0,182,131,246,86,66,166,128,89,96,61,248,73,107,239,250,255,50,229,18,24,209,134,207,186,193,15,192,223,64,251,0,66,38,130,59,193,19,224,101,80,60,29,109,17,163,85,125,97,31,122,45,88,119,90,60,175,11,182,251,96,159,222,114,55,202,171,192,203,
224,69,216,43,130,182,126,98,253,216,162,27,62,172,203,236,147,180,98,208,157,197,159,100,249,71,82,139,65,119,150,127,36,237,252,187,2,231,128,25,253,78,221,249,143,187,62,88,210,124,236,231,221,43,155,123,223,79,89,207,189,167,229,112,92,197,93,223,60,88,135,207,219,54,98,12,223,134,95,235,221,103,134,205,222,251,97,63,106,238,93,239,62,111,124,146,46,255,146,174,
255,21,244,175,153,54,47,49,101,135,121,87,104,71,115,239,251,131,238,251,104,187,2,218,57,13,158,253,61,204,186,127,161,252,110,72,91,7,28,196,186,92,222,43,187,244,205,123,253,223,79,183,41,230,143,125,239,111,8,179,236,112,156,21,177,206,1,195,177,126,20,215,102,12,181,55,14,250,99,224,19,116,253,228,152,190,156,0,174,102,182,153,134,242,76,174,143,155,176,124,
27,173,155,39,209,255,135,35,222,107,236,65,63,11,21,124,117,100,200,123,122,57,213,78,138,108,166,121,177,138,241,229,225,58,240,203,225,120,30,251,218,79,21,223,169,116,20,120,4,49,216,0,126,200,196,162,70,143,115,19,66,252,168,209,245,155,19,190,119,219,72,245,34,58,151,223,247,215,53,123,250,73,140,97,170,1,159,182,129,45,121,79,63,7,253,59,240,74,130,115,
226,104,242,26,124,221,29,227,239,114,197,220,255,99,29,238,51,14,71,13,57,240,25,238,29,212,207,130,107,90,188,119,78,95,207,247,230,206,110,58,158,197,52,135,28,142,21,1,159,1,214,20,222,7,174,25,96,106,139,119,237,193,214,181,50,227,156,137,242,46,193,207,44,157,147,148,189,121,239,251,19,81,12,44,68,175,255,0,214,159,29,210,230,60,90,63,34,166,143,161,
17,140,118,191,71,81,16,107,91,166,237,198,115,237,251,23,188,239,144,248,223,23,25,26,192,69,220,186,75,4,109,14,213,160,127,193,27,223,104,166,110,52,37,23,98,127,116,4,147,90,226,109,250,251,250,108,170,167,67,207,101,142,127,53,212,213,40,61,45,225,239,232,187,251,210,93,96,9,88,1,86,211,62,106,76,155,26,248,22,237,99,43,152,89,72,63,223,55,193,159,
77,17,108,67,187,109,33,60,19,179,237,166,83,0,66,240,112,54,150,110,128,155,197,35,122,10,45,183,41,210,151,161,155,246,87,161,148,24,42,71,232,36,85,50,156,116,209,229,33,160,200,232,34,104,23,164,200,216,169,112,36,35,211,48,22,2,123,83,143,142,167,66,73,70,22,80,251,61,71,237,183,37,99,184,174,165,45,128,190,33,245,109,22,40,6,228,126,137,214,85,
24,92,241,203,238,118,126,217,109,235,226,231,57,223,214,197,173,231,235,216,126,109,137,237,254,235,221,126,82,34,50,151,65,115,47,130,169,237,101,125,209,177,201,82,62,197,9,139,125,156,196,205,93,84,155,147,81,84,198,42,51,47,39,155,4,29,59,220,243,212,196,58,216,39,202,10,76,228,116,57,164,60,241,36,39,31,66,133,146,163,243,92,162,229,34,213,21,74,89,130,
92,157,83,182,64,94,144,18,83,206,113,62,229,50,8,31,131,184,152,71,229,38,223,71,80,91,191,141,232,253,168,201,57,74,115,206,77,230,254,201,156,183,73,197,33,237,243,131,12,34,177,240,219,250,231,15,31,190,159,160,62,211,20,223,126,144,31,113,99,14,235,75,100,123,25,255,210,138,81,154,115,35,50,31,42,125,232,138,238,124,184,215,3,46,113,109,88,123,166,108,
235,74,84,222,7,249,25,180,63,216,244,69,182,255,176,253,82,116,255,54,33,58,115,26,151,71,108,255,170,199,31,83,194,231,135,175,77,238,207,42,99,59,145,142,173,182,124,229,207,217,62,110,126,185,90,196,151,180,207,227,190,196,229,83,216,190,46,146,59,170,249,101,35,54,97,115,22,54,95,113,146,246,117,134,170,109,209,57,139,186,206,83,149,176,115,94,92,78,197,29,
183,101,175,59,85,69,212,127,157,188,79,235,188,147,132,61,62,167,202,100,92,107,149,84,91,187,200,4,232,241,208,230,237,149,21,8,219,150,173,15,18,19,54,146,68,87,100,198,196,174,227,183,79,66,194,108,217,142,135,74,31,124,127,34,109,117,109,165,33,38,99,31,117,126,23,57,215,171,94,7,152,18,247,125,161,100,228,225,129,85,242,208,64,211,199,90,95,76,206,169,
136,29,222,166,236,62,24,180,191,233,30,59,253,235,21,182,157,104,126,242,207,224,221,119,98,76,73,26,199,219,168,99,174,104,63,42,54,248,253,89,231,90,223,164,36,225,71,208,121,214,166,45,214,102,212,185,159,247,69,117,31,147,221,71,109,156,219,147,190,214,10,242,39,204,47,118,189,106,223,182,198,19,53,71,65,99,50,45,188,141,168,117,54,99,200,183,211,149,160,249,
87,201,81,153,57,143,219,71,131,252,75,83,252,227,174,234,179,31,221,103,70,166,182,119,197,189,94,20,133,125,47,215,149,160,207,29,101,9,123,239,119,4,248,52,56,7,92,20,209,174,157,27,91,123,8,67,40,21,114,71,169,74,22,148,252,235,214,176,246,225,219,47,199,246,203,142,110,175,43,236,92,4,221,99,200,206,179,104,110,70,221,215,132,105,86,68,62,3,9,178,
39,226,135,136,191,81,219,203,32,227,187,168,255,114,156,215,81,37,157,29,252,119,30,76,248,109,90,244,199,26,157,115,21,1,218,13,115,34,141,93,180,63,81,223,121,17,189,94,145,181,159,148,184,126,179,223,151,58,222,167,194,168,42,201,143,234,34,125,160,91,160,251,65,247,133,110,133,238,15,61,0,186,13,154,208,109,223,135,229,34,150,207,132,30,8,61,8,186,29,122,
48,244,251,153,118,68,58,6,101,14,95,226,230,48,106,93,82,241,247,125,182,97,211,70,254,219,20,27,182,147,28,127,146,241,211,57,86,37,57,183,182,108,242,251,188,219,63,95,23,134,168,63,73,30,3,162,150,195,234,76,217,246,251,230,115,68,214,166,200,123,97,58,34,155,195,162,249,16,135,138,68,109,103,195,158,136,63,54,199,43,98,63,204,23,190,94,182,223,168,49,
152,176,225,111,103,162,141,138,77,217,88,233,140,209,244,56,121,159,117,250,178,33,236,59,221,201,157,23,39,28,246,190,31,63,238,112,58,223,207,159,70,237,79,165,246,103,96,121,58,45,207,68,249,243,199,248,149,164,164,121,223,163,123,141,88,175,215,216,73,29,227,69,236,154,56,231,156,8,247,53,186,231,184,176,24,165,113,238,246,237,218,236,219,212,184,162,226,110,82,162,
108,196,249,28,118,30,76,99,94,227,108,199,181,211,181,231,47,219,20,27,253,71,197,43,106,126,249,114,26,34,58,135,105,251,108,211,166,232,254,166,154,163,65,219,201,230,76,84,223,34,231,5,155,34,122,204,78,43,215,69,246,199,164,37,42,199,194,252,17,201,207,36,198,34,234,135,168,63,162,62,203,216,21,21,145,220,77,34,151,69,237,217,222,175,85,226,33,114,92,11,
138,91,82,49,228,219,132,249,97,226,120,172,42,113,190,218,144,184,123,35,255,25,174,143,238,189,150,201,251,45,219,251,130,72,174,155,234,91,71,252,152,166,113,14,243,69,118,44,113,191,77,104,234,88,99,67,146,176,35,179,159,152,122,95,67,245,184,47,115,110,240,197,84,63,65,253,138,74,146,57,162,98,203,100,158,185,199,110,153,92,176,121,220,78,251,51,104,94,252,99,
78,82,191,53,19,246,251,51,124,125,84,187,52,126,39,135,95,167,251,187,68,38,252,115,223,27,181,53,246,122,24,159,42,238,254,20,149,79,162,121,154,86,110,197,249,152,100,28,195,16,253,189,60,27,168,198,218,214,252,37,145,59,174,4,221,151,120,117,5,124,78,153,63,250,57,229,16,250,251,143,67,168,46,74,156,251,138,33,243,93,150,232,163,221,0,188,152,232,211,164,
63,178,162,107,199,196,189,167,159,27,58,247,178,238,246,46,252,181,11,155,151,65,215,51,186,231,147,56,191,252,255,71,24,14,46,3,227,193,40,112,5,205,233,82,0,21,9,74,41,83,214,164,162,73,145,209,174,176,117,30,159,123,175,74,174,123,175,139,92,15,61,21,250,6,232,105,208,36,52,230,37,138,223,95,24,174,136,252,166,127,208,182,252,61,181,123,254,208,141,165,
10,113,191,75,25,151,255,162,231,70,209,253,167,72,46,45,85,201,164,35,223,55,170,88,102,74,2,54,42,145,20,58,112,126,196,119,97,250,64,183,72,127,39,166,34,137,13,137,182,121,211,176,42,153,53,172,139,204,134,190,25,250,139,208,183,64,127,9,122,14,244,109,208,183,66,207,133,190,29,122,30,244,151,161,137,196,184,158,197,54,207,72,110,67,52,249,7,108,254,29,
54,247,66,239,129,126,3,122,31,244,126,232,55,161,15,64,255,211,176,79,95,235,172,146,133,157,93,228,110,232,69,208,14,244,98,232,37,208,95,135,190,7,122,41,244,10,232,123,161,151,67,47,131,94,9,253,13,232,85,208,247,65,223,15,189,26,250,1,232,53,157,102,125,140,99,7,108,110,135,205,157,208,175,38,108,155,128,67,176,123,208,170,93,95,108,143,69,206,70,199,
5,85,114,246,5,93,228,92,232,115,160,135,65,127,8,186,19,122,56,52,73,120,30,236,197,72,86,108,231,129,174,232,218,77,235,247,173,125,127,116,255,15,73,213,182,202,239,108,235,92,159,134,137,191,158,239,51,41,49,53,143,182,238,143,226,226,104,99,159,172,199,227,150,234,113,36,109,31,146,242,223,244,248,249,237,85,37,169,248,155,154,195,184,216,198,197,92,103,174,77,
140,67,39,31,85,164,30,198,171,147,7,186,199,255,52,206,223,166,8,242,39,105,177,241,31,145,50,232,94,255,164,109,95,20,87,100,234,101,250,213,17,21,159,85,125,20,181,21,214,214,190,252,31,0,0,255,255,0,0,0,255,255,99,102,0,0};
0, 0, 16, 0, 0, 0, 0, 0, 64, 180, 0, 0, 116, 3, 0, 0, 124, 3, 0, 0, 132, 3, 0, 0, 140, 3, 0, 0, 164, 3, 0, 0, 172, 3, 0, 0, 180, 3, 0, 0, 188, 3, 0, 0, 148, 3, 0, 0, 156, 3, 0, 0, 148, 3, 0, 0, 156, 3, 0, 0, 148, 3, 0, 0, 156, 3, 0, 0, 148, 3, 0, 0, 156, 3, 0, 0, 148, 3, 0, 0, 156, 3, 0, 0, 148, 3, 0, 0, 156, 3, 0, 0, 194, 3, 0, 0, 202, 3, 0, 0,
210, 3, 0, 0, 218, 3, 0, 0, 226, 3, 0, 0, 234, 3, 0, 0, 230, 3, 0, 0, 238, 3, 0, 0, 246, 3, 0, 0, 254, 3, 0, 0, 249, 3, 0, 0, 1, 4, 0, 0, 148, 3, 0, 0, 156, 3, 0, 0, 148, 3, 0, 0, 156, 3, 0, 0, 9, 4, 0, 0, 17, 4, 0, 0, 148, 3, 0, 0, 156, 3, 0, 0, 148, 3, 0, 0, 156, 3, 0, 0, 148, 3, 0, 0, 156, 3, 0, 0, 23, 4, 0, 0, 31, 4, 0, 0, 39, 4, 0, 0,
47, 4, 0, 0, 55, 4, 0, 0, 63, 4, 0, 0, 69, 4, 0, 0, 77, 4, 0, 0, 82, 4, 0, 0, 90, 4, 0, 0, 93, 4, 0, 0, 101, 4, 0, 0, 108, 4, 0, 0, 116, 4, 0, 0, 122, 4, 0, 0, 130, 4, 0, 0, 129, 4, 0, 0, 137, 4, 0, 0, 145, 4, 0, 0, 153, 4, 0, 0, 24, 9, 0, 0, 31, 9, 0, 0, 35, 9, 0, 0, 62, 4, 0, 0, 199, 9, 0, 0, 62, 4, 0, 0, 22, 11, 0, 0, 207, 9, 0, 0,
161, 4, 0, 0, 163, 4, 0, 0, 171, 4, 0, 0, 179, 4, 0, 0, 187, 4, 0, 0, 188, 4, 0, 0, 196, 4, 0, 0, 204, 4, 0, 0, 212, 4, 0, 0, 188, 4, 0, 0, 220, 4, 0, 0, 225, 4, 0, 0, 212, 4, 0, 0, 188, 4, 0, 0, 233, 4, 0, 0, 241, 4, 0, 0, 187, 4, 0, 0, 249, 4, 0, 0, 1, 5, 0, 0, 179, 4, 0, 0, 9, 5, 0, 0, 148, 3, 0, 0, 17, 5, 0, 0, 21, 5, 0, 0, 29, 5, 0, 0,
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};
}
}

28
src/Avalonia.Base/Media/TextFormatting/Unicode/BiDiAlgorithm.cs

@ -66,7 +66,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
/// The forward mapping maps the start index to the end index.
/// The reverse mapping maps the end index to the start index.
/// </remarks>
private readonly Dictionary<int, int> _isolatePairs = new Dictionary<int, int>();
private readonly BidiDictionary<int, int> _isolatePairs = new BidiDictionary<int, int>();
/// <summary>
/// The working BiDi classes
@ -188,12 +188,6 @@ namespace Avalonia.Media.TextFormatting.Unicode
{
}
/// <summary>
/// Gets a per-thread instance that can be re-used as often
/// as necessary.
/// </summary>
public static ThreadLocal<BidiAlgorithm> Instance { get; } = new ThreadLocal<BidiAlgorithm>(() => new BidiAlgorithm());
/// <summary>
/// Gets the resolved levels.
/// </summary>
@ -1414,35 +1408,37 @@ namespace Avalonia.Media.TextFormatting.Unicode
/// Sets the direction of a bracket pair, including setting the direction of
/// NSM's inside the brackets and following.
/// </summary>
/// <param name="bracketPair">The paired brackets</param>
/// <param name="pairedBracket">The paired brackets</param>
/// <param name="direction">The resolved direction for the bracket pair</param>
private void SetPairedBracketDirection(in BracketPair bracketPair, BidiClass direction)
private void SetPairedBracketDirection(in BracketPair pairedBracket, BidiClass direction)
{
// Set the direction of the brackets
_runResolvedClasses[bracketPair.OpeningIndex] = direction;
_runResolvedClasses[bracketPair.ClosingIndex] = direction;
_runResolvedClasses[pairedBracket.OpeningIndex] = direction;
_runResolvedClasses[pairedBracket.ClosingIndex] = direction;
// Set the directionality of NSM's inside the brackets
for (var i = bracketPair.OpeningIndex + 1; i < bracketPair.ClosingIndex; i++)
// BN characters (such as ZWJ or ZWSP) that appear between the base bracket character
// and the nonspacing mark should be ignored.
for (int i = pairedBracket.OpeningIndex + 1; i < pairedBracket.ClosingIndex; i++)
{
if (_runOriginalClasses[i] == BidiClass.NonspacingMark)
{
_runOriginalClasses[i] = direction;
}
else
else if (_runOriginalClasses[i] != BidiClass.BoundaryNeutral)
{
break;
}
}
// Set the directionality of NSM's following the brackets
for (var i = bracketPair.ClosingIndex + 1; i < _runLength; i++)
for (int i = pairedBracket.ClosingIndex + 1; i < _runLength; i++)
{
if (_runOriginalClasses[i] == BidiClass.NonspacingMark)
{
_runResolvedClasses[i] = direction;
_runOriginalClasses[i] = direction;
}
else
else if (_runOriginalClasses[i] != BidiClass.BoundaryNeutral)
{
break;
}

25
src/Avalonia.Base/Media/TextFormatting/Unicode/BiDiData.cs

@ -18,17 +18,12 @@ namespace Avalonia.Media.TextFormatting.Unicode
private ArrayBuilder<BidiClass> _savedClasses;
private ArrayBuilder<BidiPairedBracketType> _savedPairedBracketTypes;
private ArrayBuilder<sbyte> _tempLevelBuffer;
public BidiData(sbyte paragraphEmbeddingLevel = 0)
public BidiData(sbyte paragraphEmbeddingLevel)
{
ParagraphEmbeddingLevel = paragraphEmbeddingLevel;
}
public BidiData(ReadOnlySlice<char> text, sbyte paragraphEmbeddingLevel = 0) : this(paragraphEmbeddingLevel)
{
Append(text);
}
public sbyte ParagraphEmbeddingLevel { get; private set; }
public bool HasBrackets { get; private set; }
@ -64,13 +59,23 @@ namespace Avalonia.Media.TextFormatting.Unicode
/// </remarks>
public ArraySlice<int> PairedBracketValues { get; private set; }
/// <summary>
/// Appends text to the bidi data.
/// </summary>
/// <param name="text">The text to process.</param>
public void Append(ReadOnlySlice<char> text)
{
_classes.Add(text.Length);
_pairedBracketTypes.Add(text.Length);
_pairedBracketValues.Add(text.Length);
var i = Length;
// Resolve the BidiCharacterType, paired bracket type and paired
// bracket values for all code points
HasBrackets = false;
HasEmbeddings = false;
HasIsolates = false;
int i = Length;
var codePointEnumerator = new CodepointEnumerator(text);
@ -115,13 +120,13 @@ namespace Avalonia.Media.TextFormatting.Unicode
// Opening bracket types can never have a null pairing.
codepoint.TryGetPairedBracket(out var paired);
_pairedBracketValues[i] = Codepoint.GetCanonicalType(paired).Value;
_pairedBracketValues[i] = (int)Codepoint.GetCanonicalType(paired).Value;
HasBrackets = true;
}
else if (pbt == BidiPairedBracketType.Close)
{
_pairedBracketValues[i] = Codepoint.GetCanonicalType(codepoint).Value;
_pairedBracketValues[i] = (int)Codepoint.GetCanonicalType(codepoint).Value;
HasBrackets = true;
}

44
src/Avalonia.Base/Media/TextFormatting/Unicode/Codepoint.cs

@ -5,50 +5,52 @@ namespace Avalonia.Media.TextFormatting.Unicode
{
public readonly struct Codepoint
{
private readonly uint _value;
/// <summary>
/// The replacement codepoint that is used for non supported values.
/// </summary>
public static readonly Codepoint ReplacementCodepoint = new Codepoint('\uFFFD');
public Codepoint(int value)
public Codepoint(uint value)
{
Value = value;
_value = value;
}
/// <summary>
/// Get the codepoint's value.
/// </summary>
public int Value { get; }
public uint Value => _value;
/// <summary>
/// Gets the <see cref="Unicode.GeneralCategory"/>.
/// </summary>
public GeneralCategory GeneralCategory => UnicodeData.GetGeneralCategory(Value);
public GeneralCategory GeneralCategory => UnicodeData.GetGeneralCategory(_value);
/// <summary>
/// Gets the <see cref="Unicode.Script"/>.
/// </summary>
public Script Script => UnicodeData.GetScript(Value);
public Script Script => UnicodeData.GetScript(_value);
/// <summary>
/// Gets the <see cref="Unicode.BidiClass"/>.
/// </summary>
public BidiClass BiDiClass => UnicodeData.GetBiDiClass(Value);
public BidiClass BiDiClass => UnicodeData.GetBiDiClass(_value);
/// <summary>
/// Gets the <see cref="Unicode.BidiPairedBracketType"/>.
/// </summary>
public BidiPairedBracketType PairedBracketType => UnicodeData.GetBiDiPairedBracketType(Value);
public BidiPairedBracketType PairedBracketType => UnicodeData.GetBiDiPairedBracketType(_value);
/// <summary>
/// Gets the <see cref="Unicode.LineBreakClass"/>.
/// </summary>
public LineBreakClass LineBreakClass => UnicodeData.GetLineBreakClass(Value);
public LineBreakClass LineBreakClass => UnicodeData.GetLineBreakClass(_value);
/// <summary>
/// Gets the <see cref="GraphemeBreakClass"/>.
/// </summary>
public GraphemeBreakClass GraphemeBreakClass => UnicodeData.GetGraphemeClusterBreak(Value);
public GraphemeBreakClass GraphemeBreakClass => UnicodeData.GetGraphemeClusterBreak(_value);
/// <summary>
/// Determines whether this <see cref="Codepoint"/> is a break char.
@ -60,7 +62,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
{
get
{
switch (Value)
switch (_value)
{
case '\u000A':
case '\u000B':
@ -109,12 +111,12 @@ namespace Avalonia.Media.TextFormatting.Unicode
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static Codepoint GetCanonicalType(Codepoint codePoint)
{
if (codePoint.Value == 0x3008)
if (codePoint._value == 0x3008)
{
return new Codepoint(0x2329);
}
if (codePoint.Value == 0x3009)
if (codePoint._value == 0x3009)
{
return new Codepoint(0x232A);
}
@ -141,19 +143,19 @@ namespace Avalonia.Media.TextFormatting.Unicode
return false;
}
codepoint = UnicodeData.GetBiDiPairedBracket(Value);
codepoint = UnicodeData.GetBiDiPairedBracket(_value);
return true;
}
public static implicit operator int(Codepoint codepoint)
{
return codepoint.Value;
return (int)codepoint._value;
}
public static implicit operator uint(Codepoint codepoint)
{
return (uint)codepoint.Value;
return codepoint._value;
}
/// <summary>
@ -191,7 +193,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
if (0xDC00 <= low && low <= 0xDFFF)
{
count = 2;
return new Codepoint((hi - 0xD800) * 0x400 + (low - 0xDC00) + 0x10000);
return new Codepoint((uint)((hi - 0xD800) * 0x400 + (low - 0xDC00) + 0x10000));
}
return ReplacementCodepoint;
@ -212,7 +214,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
if (0xD800 <= hi && hi <= 0xDBFF)
{
count = 2;
return new Codepoint((hi - 0xD800) * 0x400 + (low - 0xDC00) + 0x10000);
return new Codepoint((uint)((hi - 0xD800) * 0x400 + (low - 0xDC00) + 0x10000));
}
return ReplacementCodepoint;
@ -220,5 +222,13 @@ namespace Avalonia.Media.TextFormatting.Unicode
return new Codepoint(code);
}
/// <summary>
/// Returns <see langword="true"/> if <paramref name="value"/> is between
/// <paramref name="lowerBound"/> and <paramref name="upperBound"/>, inclusive.
/// </summary>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static bool IsInRangeInclusive(Codepoint cp, uint lowerBound, uint upperBound)
=> (cp._value - lowerBound) <= (upperBound - lowerBound);
}
}

7
src/Avalonia.Base/Media/TextFormatting/Unicode/GraphemeBreak.cs

@ -0,0 +1,7 @@
namespace Avalonia.Media.TextFormatting.Unicode
{
internal static class GraphemeBreak
{
public static byte[] Data => new byte[0];
}
}

422
src/Avalonia.Base/Media/TextFormatting/Unicode/GraphemeBreak.trie.cs

@ -1,31 +1,409 @@
using System;
namespace Avalonia.Media.TextFormatting.Unicode
{
internal static class GraphemeBreakTrie
{
public static ReadOnlySpan<byte> Data => new byte[]
{
0,14,16,0,0,0,0,0,0,0,133,64,0,245,7,10,248,236,157,127,136,29,87,21,199,103,157,111,246,157,100,211,138,180,69,177,5,241,7,88,91,40,182,150,210,12,138,161,88,27,163,96,241,15,75,161,210,18,44,149,10,193,46,24,80,49,254,163,33,16,136,54,127,84,8,34,18,253,199,68,196,42,136,154,82,21,149,6,218,82,43,72,107,161,54,22,196,173,10,110,
16,140,210,82,250,125,190,51,228,228,228,206,204,157,121,119,230,109,182,243,133,15,231,220,115,207,156,123,239,121,111,247,253,216,129,189,33,207,178,130,220,66,118,147,61,228,126,19,43,230,180,171,228,139,100,31,217,31,145,127,128,28,174,153,63,66,142,146,99,228,56,249,49,249,5,249,21,57,101,242,158,36,127,36,207,145,23,201,26,89,39,255,34,103,201,43,4,200,178,47,
147,175,146,131,152,93,91,242,40,217,206,216,55,200,17,114,148,28,35,199,201,9,242,19,114,146,252,134,252,150,60,65,158,54,227,63,145,191,104,254,75,228,140,94,255,63,242,32,89,218,50,91,103,43,237,25,218,55,109,57,87,255,205,244,223,166,227,119,211,190,135,92,110,214,47,152,127,61,99,103,39,51,127,7,253,157,90,175,32,31,162,255,49,29,223,78,123,135,250,119,
211,222,71,246,146,255,154,243,238,227,120,63,57,64,14,155,58,5,185,82,206,241,46,229,26,242,126,165,48,185,69,13,95,143,204,43,18,243,16,207,243,16,121,158,231,125,94,207,252,45,142,191,87,246,7,231,231,95,193,248,247,93,15,30,118,227,194,240,51,157,251,37,237,99,234,239,37,47,235,252,83,140,253,129,60,71,78,147,53,178,174,121,103,213,190,26,168,143,101,62,
255,150,47,140,151,172,146,203,107,230,139,72,62,201,243,223,165,61,184,201,196,247,146,7,106,206,93,140,100,125,247,224,42,247,248,158,12,60,7,138,4,252,213,252,12,188,61,193,115,170,24,201,198,30,100,99,15,242,177,7,99,15,178,177,7,249,216,131,177,7,217,216,131,124,236,193,216,131,108,236,65,62,246,96,236,65,150,188,7,87,47,207,190,75,43,199,159,136,248,254,
226,189,188,230,102,243,153,247,24,191,83,123,133,236,100,108,151,198,111,167,189,131,92,37,179,239,3,239,162,15,250,159,214,249,251,105,87,201,62,29,239,167,253,51,237,129,134,207,210,135,57,127,43,235,124,152,220,70,118,145,143,144,221,228,163,228,214,113,46,27,251,146,141,207,9,25,127,30,198,223,5,89,178,223,5,55,144,29,228,3,164,24,223,139,100,99,15,178,177,7,
249,216,131,62,122,112,164,231,191,167,236,87,138,0,187,3,177,51,198,191,199,253,237,179,88,0,187,46,153,113,144,172,109,111,230,20,243,158,13,228,190,229,210,243,199,187,56,62,72,78,145,236,141,179,216,141,180,159,33,223,33,143,144,117,178,115,37,203,62,71,94,220,202,191,125,109,203,50,89,154,113,167,241,197,113,98,229,194,88,136,47,153,26,63,162,255,15,94,119,45,
247,113,47,57,176,61,174,198,72,54,246,96,105,236,193,216,131,108,236,193,210,230,235,193,58,95,23,50,190,46,60,202,247,9,167,249,122,248,146,222,231,177,198,239,174,222,202,215,231,119,232,107,244,223,201,239,152,179,194,207,44,143,47,207,230,127,79,123,141,121,13,127,54,240,94,227,36,57,189,124,238,62,178,53,250,235,21,239,73,254,195,248,171,102,110,153,223,131,93,170,
247,152,21,1,46,227,220,149,102,254,157,147,115,247,61,77,185,118,114,254,253,95,239,171,169,117,115,205,92,65,174,227,57,111,114,239,87,62,200,107,110,35,31,159,94,11,222,203,164,53,110,113,121,69,4,159,50,235,223,75,255,179,110,63,15,112,188,91,235,126,161,97,175,133,225,43,45,114,139,30,185,175,67,79,138,158,249,46,123,179,99,192,245,246,178,7,39,184,230,195,
129,199,228,231,27,228,113,42,90,178,71,239,3,91,85,246,56,86,107,248,60,46,204,127,189,81,204,193,209,134,207,118,47,187,241,177,13,120,111,221,113,238,233,135,21,251,186,34,209,253,159,63,104,121,238,159,6,242,207,246,220,135,175,233,207,255,161,13,240,123,224,65,238,225,50,190,206,127,211,236,229,219,9,246,181,74,126,61,153,217,83,180,79,145,103,54,192,121,139,72,
94,224,94,255,214,176,223,67,29,207,243,207,139,160,15,135,220,30,255,125,17,236,185,232,192,35,27,96,15,215,231,75,255,39,231,219,243,60,130,55,24,127,41,242,154,60,130,81,139,211,216,255,44,217,243,56,239,200,162,31,55,188,206,73,41,212,176,153,133,139,144,114,223,165,197,212,9,248,155,93,147,10,98,133,22,164,254,221,149,90,232,129,20,123,26,66,168,97,210,144,
227,107,100,53,57,41,53,81,139,148,69,91,10,9,217,204,66,11,46,86,33,130,216,58,214,135,62,215,177,0,36,16,203,52,46,138,31,195,252,108,214,9,117,147,145,18,3,28,226,226,165,38,165,211,81,147,142,215,133,36,166,230,36,148,16,56,87,121,29,166,206,156,130,214,18,199,84,162,216,92,104,12,186,95,49,22,101,226,130,132,10,68,247,8,71,72,147,10,208,1,
49,126,149,80,193,68,237,144,130,33,239,161,126,174,181,183,168,159,39,170,153,87,144,66,121,75,134,88,175,73,112,207,61,184,121,113,115,80,242,6,144,128,124,78,250,18,28,161,24,166,193,134,49,76,124,40,193,80,55,39,126,114,64,65,215,135,142,197,128,6,36,144,47,74,89,27,21,196,10,202,34,4,119,158,161,215,246,123,128,163,148,40,126,140,50,208,32,52,204,251,
92,216,64,207,130,243,225,206,58,148,224,122,43,26,67,69,46,2,99,84,212,76,181,63,4,98,177,18,205,135,99,42,40,50,29,168,21,141,165,22,148,190,132,10,134,22,140,133,233,39,12,165,68,241,99,148,129,10,193,16,43,196,38,38,22,2,231,204,76,76,166,3,55,6,137,17,34,115,196,128,152,194,9,5,183,190,152,56,20,63,198,52,80,35,40,139,16,212,138,250,
18,240,203,60,81,166,18,5,74,157,160,196,8,138,40,139,20,148,210,151,169,19,41,84,196,68,129,193,230,75,13,208,156,121,5,181,162,62,42,136,169,131,26,82,9,145,251,133,201,109,83,27,1,134,18,148,190,215,8,89,43,81,82,158,9,45,145,138,184,173,25,18,90,208,54,31,61,48,175,16,217,55,184,124,113,185,125,74,26,214,66,205,92,91,193,209,69,80,43,234,
35,34,183,171,208,245,194,134,154,80,250,20,20,49,62,2,72,3,112,62,34,137,221,99,95,130,65,28,8,196,189,68,129,241,197,1,67,159,130,34,10,122,90,71,204,58,168,161,220,147,181,165,143,26,164,2,68,82,10,1,164,156,28,72,168,65,140,21,7,140,191,40,33,130,174,53,165,237,133,9,37,129,115,136,139,139,155,79,45,184,53,196,0,55,7,51,215,86,210,0,
26,16,151,55,175,96,240,99,68,34,13,243,94,240,129,138,57,209,49,76,204,11,3,81,181,214,60,130,97,72,65,73,85,7,74,40,134,10,188,208,48,174,138,165,148,40,80,36,144,131,158,214,20,183,246,80,66,34,186,174,93,55,135,26,250,16,90,32,74,234,245,69,129,67,92,92,148,170,58,67,10,21,136,130,138,113,151,117,98,114,164,41,169,71,161,167,122,48,216,57,
148,3,39,40,109,36,230,58,81,234,242,218,74,20,84,248,153,137,45,90,216,228,107,35,64,76,174,29,135,4,71,223,130,33,52,215,70,80,82,74,180,166,164,44,218,81,8,32,21,113,24,250,18,18,215,19,3,34,144,132,107,136,137,137,137,87,9,106,197,128,6,250,16,220,30,196,204,73,197,88,90,212,142,149,40,246,90,84,96,133,0,125,75,12,104,64,2,121,162,182,
79,33,97,29,81,80,129,4,242,36,48,143,68,123,234,42,232,94,68,125,24,74,137,3,138,24,127,72,65,73,37,49,160,1,49,121,162,182,141,96,174,19,227,35,128,168,109,146,40,112,72,32,134,166,98,29,36,6,68,32,198,79,37,49,192,81,10,138,56,80,38,168,68,237,144,66,36,67,236,35,54,15,1,68,129,97,30,137,171,5,199,84,168,64,212,166,18,58,146,153,
189,160,2,169,240,83,9,21,248,156,210,98,234,24,27,35,9,80,214,192,212,49,113,24,155,82,80,68,73,89,19,134,148,66,13,41,106,103,166,31,210,129,58,193,209,69,104,153,47,202,34,5,197,250,152,14,84,168,161,47,193,209,103,253,33,133,30,73,181,86,147,208,148,208,49,183,173,16,160,42,142,72,230,21,106,104,154,71,36,165,80,131,157,207,106,114,82,11,142,212,
245,96,232,83,162,244,85,87,90,176,104,137,50,228,90,178,32,182,110,0,172,182,45,152,149,158,185,196,209,86,219,18,226,181,178,1,240,226,191,181,184,160,103,125,50,244,122,94,175,1,0,0,255,255,0,0,0,255,255,99,102,0,0};
0, 16, 14, 0, 0, 0, 0, 0, 144, 155, 0, 0, 89, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 113, 3, 0, 0, 137, 3, 0, 0, 145, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0,
97, 3, 0, 0, 105, 3, 0, 0, 153, 3, 0, 0, 161, 3, 0, 0, 157, 3, 0, 0, 165, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 173, 3, 0, 0, 181, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 97, 3, 0, 0, 105, 3, 0, 0, 185, 3, 0, 0, 193, 3, 0, 0, 201, 3, 0, 0,
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0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0,
14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0,
14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0,
14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0,
14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0,
14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0,
14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0,
14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0,
14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
}
}

1
src/Avalonia.Base/Media/TextFormatting/Unicode/LineBreakClass.cs

@ -35,7 +35,6 @@ namespace Avalonia.Media.TextFormatting.Unicode
EModifier, //EM
ZWJ, //ZWJ
ContingentBreak, //CB
Unknown, //XX
Ambiguous, //AI
MandatoryBreak, //BK

14
src/Avalonia.Base/Media/TextFormatting/Unicode/LineBreakEnumerator.cs

@ -450,6 +450,20 @@ namespace Avalonia.Media.TextFormatting.Unicode
_lb30a = 0;
}
// Rule LB30b
if (_nextClass == LineBreakClass.EModifier && _lastPosition > 0)
{
// Mahjong Tiles (Unicode block) are extended pictographics but have a class of ID
// Unassigned codepoints with Line_Break=ID in some blocks are also assigned the Extended_Pictographic property.
// Those blocks are intended for future allocation of emoji characters.
var cp = Codepoint.ReadAt(_text, _lastPosition - 1, out int _);
if (Codepoint.IsInRangeInclusive(cp, 0x1F000, 0x1F02F))
{
shouldBreak = false;
}
}
_currentClass = _nextClass;
return shouldBreak;

5
src/Avalonia.Base/Media/TextFormatting/Unicode/Script.cs

@ -30,6 +30,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
Cherokee, //Cher
Chorasmian, //Chrs
Coptic, //Copt
CyproMinoan, //Cpmn
Cypriot, //Cprt
Cyrillic, //Cyrl
Devanagari, //Deva
@ -109,6 +110,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
Oriya, //Orya
Osage, //Osge
Osmanya, //Osma
OldUyghur, //Ougr
Palmyrene, //Palm
PauCinHau, //Pauc
OldPermic, //Perm
@ -151,8 +153,11 @@ namespace Avalonia.Media.TextFormatting.Unicode
Thai, //Thai
Tibetan, //Tibt
Tirhuta, //Tirh
Tangsa, //Tnsa
Toto, //Toto
Ugaritic, //Ugar
Vai, //Vaii
Vithkuqi, //Vith
WarangCiti, //Wara
Wancho, //Wcho
OldPersian, //Xpeo

42
src/Avalonia.Base/Media/TextFormatting/Unicode/UnicodeData.cs

@ -36,29 +36,9 @@ namespace Avalonia.Media.TextFormatting.Unicode
static UnicodeData()
{
unsafe
{
var unicodeData = UnicodeDataTrie.Data;
fixed (byte* unicodeDataPtr = unicodeData)
{
s_unicodeDataTrie = new UnicodeTrie(new UnmanagedMemoryStream(unicodeDataPtr, unicodeData.Length));
}
var graphemeData = GraphemeBreakTrie.Data;
fixed (byte* graphemeDataPtr = graphemeData)
{
s_graphemeBreakTrie = new UnicodeTrie(new UnmanagedMemoryStream(graphemeDataPtr, graphemeData.Length));
}
var bidiData = BiDiTrie.Data;
fixed (byte* bidiDataPtr = bidiData)
{
s_biDiTrie = new UnicodeTrie(new UnmanagedMemoryStream(bidiDataPtr, bidiData.Length));
}
}
s_unicodeDataTrie = new UnicodeTrie(UnicodeDataTrie.Data);
s_graphemeBreakTrie = new UnicodeTrie(GraphemeBreakTrie.Data);
s_biDiTrie = new UnicodeTrie(BidiTrie.Data);
}
/// <summary>
@ -67,7 +47,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
/// <param name="codepoint">The codepoint in question.</param>
/// <returns>The code point's general category.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static GeneralCategory GetGeneralCategory(int codepoint)
public static GeneralCategory GetGeneralCategory(uint codepoint)
{
return (GeneralCategory)(s_unicodeDataTrie.Get(codepoint) & CATEGORY_MASK);
}
@ -78,7 +58,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
/// <param name="codepoint">The codepoint in question.</param>
/// <returns>The code point's script.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Script GetScript(int codepoint)
public static Script GetScript(uint codepoint)
{
return (Script)((s_unicodeDataTrie.Get(codepoint) >> SCRIPT_SHIFT) & SCRIPT_MASK);
}
@ -89,7 +69,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
/// <param name="codepoint">The codepoint in question.</param>
/// <returns>The code point's biDi class.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static BidiClass GetBiDiClass(int codepoint)
public static BidiClass GetBiDiClass(uint codepoint)
{
return (BidiClass)((s_biDiTrie.Get(codepoint) >> BIDICLASS_SHIFT) & BIDICLASS_MASK);
}
@ -100,7 +80,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
/// <param name="codepoint">The codepoint in question.</param>
/// <returns>The code point's paired bracket type.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static BidiPairedBracketType GetBiDiPairedBracketType(int codepoint)
public static BidiPairedBracketType GetBiDiPairedBracketType(uint codepoint)
{
return (BidiPairedBracketType)((s_biDiTrie.Get(codepoint) >> BIDIPAIREDBRACKEDTYPE_SHIFT) & BIDIPAIREDBRACKEDTYPE_MASK);
}
@ -111,9 +91,9 @@ namespace Avalonia.Media.TextFormatting.Unicode
/// <param name="codepoint">The codepoint in question.</param>
/// <returns>The code point's paired bracket.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Codepoint GetBiDiPairedBracket(int codepoint)
public static Codepoint GetBiDiPairedBracket(uint codepoint)
{
return new Codepoint((int)(s_biDiTrie.Get(codepoint) & BIDIPAIREDBRACKED_MASK));
return new Codepoint((s_biDiTrie.Get(codepoint) & BIDIPAIREDBRACKED_MASK));
}
/// <summary>
@ -122,7 +102,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
/// <param name="codepoint">The codepoint in question.</param>
/// <returns>The code point's line break class.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static LineBreakClass GetLineBreakClass(int codepoint)
public static LineBreakClass GetLineBreakClass(uint codepoint)
{
return (LineBreakClass)((s_unicodeDataTrie.Get(codepoint) >> LINEBREAK_SHIFT) & LINEBREAK_MASK);
}
@ -133,7 +113,7 @@ namespace Avalonia.Media.TextFormatting.Unicode
/// <param name="codepoint">The codepoint in question.</param>
/// <returns>The code point's grapheme break type.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static GraphemeBreakClass GetGraphemeClusterBreak(int codepoint)
public static GraphemeBreakClass GetGraphemeClusterBreak(uint codepoint)
{
return (GraphemeBreakClass)s_graphemeBreakTrie.Get(codepoint);
}

1192
src/Avalonia.Base/Media/TextFormatting/Unicode/UnicodeData.trie.cs

File diff suppressed because it is too large

156
src/Avalonia.Base/Media/TextFormatting/Unicode/UnicodeTrie.cs

@ -15,92 +15,119 @@
// Ported from: https://github.com/foliojs/unicode-trie
// Copied from: https://github.com/toptensoftware/RichTextKit
using System;
using System.IO;
using System.IO.Compression;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
namespace Avalonia.Media.TextFormatting.Unicode
{
internal class UnicodeTrie
{
private readonly int[] _data;
private readonly uint[] _data;
private readonly int _highStart;
private readonly uint _errorValue;
/// <summary>
/// Initializes a new instance of the <see cref="UnicodeTrie"/> class.
/// </summary>
/// <param name="rawData">The uncompressed trie data.</param>
public UnicodeTrie(ReadOnlySpan<byte> rawData)
{
var header = UnicodeTrieHeader.Parse(rawData);
int length = header.DataLength;
uint[] data = new uint[length / sizeof(uint)];
MemoryMarshal.Cast<byte, uint>(rawData.Slice(rawData.Length - length))
.CopyTo(data);
_highStart = header.HighStart;
_errorValue = header.ErrorValue;
_data = data;
}
/// <summary>
/// Initializes a new instance of the <see cref="UnicodeTrie"/> class.
/// </summary>
/// <param name="stream">The stream containing the data.</param>
public UnicodeTrie(Stream stream)
{
int dataLength;
using (var bw = new BinaryReader(stream, Encoding.UTF8, true))
// Read the header info
using (var br = new BinaryReader(stream, Encoding.UTF8, true))
{
_highStart = bw.ReadInt32BE();
_errorValue = bw.ReadUInt32BE();
dataLength = bw.ReadInt32BE() / 4;
_highStart = br.ReadInt32();
_errorValue = br.ReadUInt32();
_data = new uint[br.ReadInt32() / sizeof(uint)];
}
using (var infl1 = new DeflateStream(stream, CompressionMode.Decompress, true))
using (var infl2 = new DeflateStream(infl1, CompressionMode.Decompress, true))
using (var bw = new BinaryReader(infl2, Encoding.UTF8, true))
// Read the data in compressed format.
using (var br = new BinaryReader(stream, Encoding.UTF8, true))
{
_data = new int[dataLength];
for (int i = 0; i < _data.Length; i++)
{
_data[i] = bw.ReadInt32();
_data[i] = br.ReadUInt32();
}
}
}
public UnicodeTrie(byte[] buf) : this(new MemoryStream(buf))
{
}
internal UnicodeTrie(int[] data, int highStart, uint errorValue)
/// <summary>
/// Initializes a new instance of the <see cref="UnicodeTrie"/> class.
/// </summary>
/// <param name="data">The uncompressed trie data.</param>
/// <param name="highStart">The start of the last range which ends at U+10ffff.</param>
/// <param name="errorValue">The value for out-of-range code points and illegal UTF-8.</param>
public UnicodeTrie(uint[] data, int highStart, uint errorValue)
{
_data = data;
_highStart = highStart;
_errorValue = errorValue;
}
/// <summary>
/// Saves the <see cref="UnicodeTrie"/> to the stream in a compressed format.
/// </summary>
/// <param name="stream">The output stream.</param>
internal void Save(Stream stream)
{
// Write the header info
using (var bw = new BinaryWriter(stream, Encoding.UTF8, true))
{
bw.WriteBE(_highStart);
bw.WriteBE(_errorValue);
bw.WriteBE(_data.Length * 4);
bw.Write(_highStart);
bw.Write(_errorValue);
bw.Write(_data.Length * sizeof(uint));
}
// Double compress the data
using (var def1 = new DeflateStream(stream, CompressionLevel.Optimal, true))
using (var def2 = new DeflateStream(def1, CompressionLevel.Optimal, true))
using (var bw = new BinaryWriter(def2, Encoding.UTF8, true))
// Write the data.
using (var bw = new BinaryWriter(stream, Encoding.UTF8, true))
{
foreach (var v in _data)
for (int i = 0; i < _data.Length; i++)
{
bw.Write(v);
bw.Write(_data[i]);
}
bw.Flush();
def2.Flush();
def1.Flush();
}
}
public uint Get(int codePoint)
/// <summary>
/// Get the value for a code point as stored in the trie.
/// </summary>
/// <param name="codePoint">The code point.</param>
/// <returns>The <see cref="uint"/> value.</returns>
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public uint Get(uint codePoint)
{
int index;
if ((codePoint < 0) || (codePoint > 0x10ffff))
{
return _errorValue;
}
uint index;
ref uint dataBase = ref MemoryMarshal.GetReference(_data.AsSpan());
if ((codePoint < 0xd800) || ((codePoint > 0xdbff) && (codePoint <= 0xffff)))
if (codePoint is < 0x0d800 or (> 0x0dbff and <= 0x0ffff))
{
// Ordinary BMP code point, excluding leading surrogates.
// BMP uses a single level lookup. BMP index starts at offset 0 in the index.
// data is stored in the index array itself.
index = (_data[codePoint >> UnicodeTrieBuilder.SHIFT_2] << UnicodeTrieBuilder.INDEX_SHIFT) + (codePoint & UnicodeTrieBuilder.DATA_MASK);
return (uint)_data[index];
// BMP uses a single level lookup. BMP index starts at offset 0 in the Trie2 index.
// 16 bit data is stored in the index array itself.
index = _data[codePoint >> UnicodeTrieBuilder.SHIFT_2];
index = (index << UnicodeTrieBuilder.INDEX_SHIFT) + (codePoint & UnicodeTrieBuilder.DATA_MASK);
return Unsafe.Add(ref dataBase, (nint)index);
}
if (codePoint <= 0xffff)
@ -109,20 +136,57 @@ namespace Avalonia.Media.TextFormatting.Unicode
// lead surrogate code units and code points.
// The main index has the code unit data.
// For this function, we need the code point data.
index = (_data[UnicodeTrieBuilder.LSCP_INDEX_2_OFFSET + ((codePoint - 0xd800) >> UnicodeTrieBuilder.SHIFT_2)] << UnicodeTrieBuilder.INDEX_SHIFT) + (codePoint & UnicodeTrieBuilder.DATA_MASK);
return (uint)_data[index];
// Note: this expression could be refactored for slightly improved efficiency, but
// surrogate code points will be so rare in practice that it's not worth it.
index = _data[UnicodeTrieBuilder.LSCP_INDEX_2_OFFSET + ((codePoint - 0xd800) >> UnicodeTrieBuilder.SHIFT_2)];
index = (index << UnicodeTrieBuilder.INDEX_SHIFT) + (codePoint & UnicodeTrieBuilder.DATA_MASK);
return Unsafe.Add(ref dataBase, (nint)index);
}
if (codePoint < _highStart)
{
// Supplemental code point, use two-level lookup.
index = _data[(UnicodeTrieBuilder.INDEX_1_OFFSET - UnicodeTrieBuilder.OMITTED_BMP_INDEX_1_LENGTH) + (codePoint >> UnicodeTrieBuilder.SHIFT_1)];
index = _data[index + ((codePoint >> UnicodeTrieBuilder.SHIFT_2) & UnicodeTrieBuilder.INDEX_2_MASK)];
index = UnicodeTrieBuilder.INDEX_1_OFFSET - UnicodeTrieBuilder.OMITTED_BMP_INDEX_1_LENGTH + (codePoint >> UnicodeTrieBuilder.SHIFT_1);
index = _data[index];
index += (codePoint >> UnicodeTrieBuilder.SHIFT_2) & UnicodeTrieBuilder.INDEX_2_MASK;
index = _data[index];
index = (index << UnicodeTrieBuilder.INDEX_SHIFT) + (codePoint & UnicodeTrieBuilder.DATA_MASK);
return (uint)_data[index];
return Unsafe.Add(ref dataBase, (nint)index);
}
if (codePoint <= 0x10ffff)
{
return Unsafe.Add(ref dataBase, (nint)(_data.Length - UnicodeTrieBuilder.DATA_GRANULARITY));
}
// Fall through. The code point is outside of the legal range of 0..0x10ffff.
return _errorValue;
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
private struct UnicodeTrieHeader
{
public int HighStart
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get;
}
public uint ErrorValue
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get;
}
public int DataLength
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get;
}
return (uint)_data[_data.Length - UnicodeTrieBuilder.DATA_GRANULARITY];
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static UnicodeTrieHeader Parse(ReadOnlySpan<byte> data)
=> MemoryMarshal.Cast<byte, UnicodeTrieHeader>(data)[0];
}
}
}

14
src/Avalonia.Base/Media/TextFormatting/Unicode/UnicodeTrieBuilder.cs

@ -368,24 +368,24 @@ namespace Avalonia.Media.TextFormatting.Unicode
// calculate the sizes of, and allocate, the index and data arrays
var indexLength = allIndexesLength + _dataLength;
var data = new int[indexLength];
var data = new uint[indexLength];
// write the index-2 array values shifted right by INDEX_SHIFT, after adding dataMove
var destIdx = 0;
for (i = 0; i < INDEX_2_BMP_LENGTH; i++)
{
data[destIdx++] = ((_index2[i] + dataMove) >> INDEX_SHIFT);
data[destIdx++] = (uint)((_index2[i] + dataMove) >> INDEX_SHIFT);
}
// write UTF-8 2-byte index-2 values, not right-shifted
for (i = 0; i < 0xc2 - 0xc0; i++)
{ // C0..C1
data[destIdx++] = (dataMove + BAD_UTF8_DATA_OFFSET);
data[destIdx++] = (uint)(dataMove + BAD_UTF8_DATA_OFFSET);
}
for (; i < 0xe0 - 0xc0; i++)
{ // C2..DF
data[destIdx++] = (dataMove + _index2[i << (6 - SHIFT_2)]);
data[destIdx++] = (uint)(dataMove + _index2[i << (6 - SHIFT_2)]);
}
if (_highStart > 0x10000)
@ -396,21 +396,21 @@ namespace Avalonia.Media.TextFormatting.Unicode
// write 16-bit index-1 values for supplementary code points
for (i = 0; i < index1Length; i++)
{
data[destIdx++] = (INDEX_2_OFFSET + _index1[i + OMITTED_BMP_INDEX_1_LENGTH]);
data[destIdx++] = (uint)(INDEX_2_OFFSET + _index1[i + OMITTED_BMP_INDEX_1_LENGTH]);
}
// write the index-2 array values for supplementary code points,
// shifted right by INDEX_SHIFT, after adding dataMove
for (i = 0; i < _index2Length - index2Offset; i++)
{
data[destIdx++] = ((dataMove + _index2[index2Offset + i]) >> INDEX_SHIFT);
data[destIdx++] = (uint)((dataMove + _index2[index2Offset + i]) >> INDEX_SHIFT);
}
}
// write 16-bit data values
for (i = 0; i < _dataLength; i++)
{
data[destIdx++] = (int)_data[i];
data[destIdx++] = _data[i];
}
return new UnicodeTrie(data, _highStart, _errorValue);

107
src/Avalonia.Base/Platform/Storage/FileIO/BclStorageFile.cs

@ -0,0 +1,107 @@
using System;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Security;
using System.Threading.Tasks;
using Avalonia.Metadata;
namespace Avalonia.Platform.Storage.FileIO;
[Unstable]
public class BclStorageFile : IStorageBookmarkFile
{
private readonly FileInfo _fileInfo;
public BclStorageFile(FileInfo fileInfo)
{
_fileInfo = fileInfo ?? throw new ArgumentNullException(nameof(fileInfo));
}
public bool CanOpenRead => true;
public bool CanOpenWrite => true;
public string Name => _fileInfo.Name;
public virtual bool CanBookmark => true;
public Task<StorageItemProperties> GetBasicPropertiesAsync()
{
var props = new StorageItemProperties();
if (_fileInfo.Exists)
{
props = new StorageItemProperties(
(ulong)_fileInfo.Length,
_fileInfo.CreationTimeUtc,
_fileInfo.LastAccessTimeUtc);
}
return Task.FromResult(props);
}
public Task<IStorageFolder?> GetParentAsync()
{
if (_fileInfo.Directory is { } directory)
{
return Task.FromResult<IStorageFolder?>(new BclStorageFolder(directory));
}
return Task.FromResult<IStorageFolder?>(null);
}
public Task<Stream> OpenRead()
{
return Task.FromResult<Stream>(_fileInfo.OpenRead());
}
public Task<Stream> OpenWrite()
{
return Task.FromResult<Stream>(_fileInfo.OpenWrite());
}
public virtual Task<string?> SaveBookmark()
{
return Task.FromResult<string?>(_fileInfo.FullName);
}
public Task ReleaseBookmark()
{
// No-op
return Task.CompletedTask;
}
public bool TryGetUri([NotNullWhen(true)] out Uri? uri)
{
try
{
if (_fileInfo.Directory is not null)
{
uri = Path.IsPathRooted(_fileInfo.FullName) ?
new Uri(new Uri("file://"), _fileInfo.FullName) :
new Uri(_fileInfo.FullName, UriKind.Relative);
return true;
}
uri = null;
return false;
}
catch (SecurityException)
{
uri = null;
return false;
}
}
protected virtual void Dispose(bool disposing)
{
}
~BclStorageFile()
{
Dispose(disposing: false);
}
public void Dispose()
{
Dispose(disposing: true);
GC.SuppressFinalize(this);
}
}

88
src/Avalonia.Base/Platform/Storage/FileIO/BclStorageFolder.cs

@ -0,0 +1,88 @@
using System;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Security;
using System.Threading.Tasks;
using Avalonia.Metadata;
namespace Avalonia.Platform.Storage.FileIO;
[Unstable]
public class BclStorageFolder : IStorageBookmarkFolder
{
private readonly DirectoryInfo _directoryInfo;
public BclStorageFolder(DirectoryInfo directoryInfo)
{
_directoryInfo = directoryInfo ?? throw new ArgumentNullException(nameof(directoryInfo));
if (!_directoryInfo.Exists)
{
throw new ArgumentException("Directory must exist", nameof(directoryInfo));
}
}
public string Name => _directoryInfo.Name;
public bool CanBookmark => true;
public Task<StorageItemProperties> GetBasicPropertiesAsync()
{
var props = new StorageItemProperties(
null,
_directoryInfo.CreationTimeUtc,
_directoryInfo.LastAccessTimeUtc);
return Task.FromResult(props);
}
public Task<IStorageFolder?> GetParentAsync()
{
if (_directoryInfo.Parent is { } directory)
{
return Task.FromResult<IStorageFolder?>(new BclStorageFolder(directory));
}
return Task.FromResult<IStorageFolder?>(null);
}
public virtual Task<string?> SaveBookmark()
{
return Task.FromResult<string?>(_directoryInfo.FullName);
}
public Task ReleaseBookmark()
{
// No-op
return Task.CompletedTask;
}
public bool TryGetUri([NotNullWhen(true)] out Uri? uri)
{
try
{
uri = Path.IsPathRooted(_directoryInfo.FullName) ?
new Uri(new Uri("file://"), _directoryInfo.FullName) :
new Uri(_directoryInfo.FullName, UriKind.Relative);
return true;
}
catch (SecurityException)
{
uri = null;
return false;
}
}
protected virtual void Dispose(bool disposing)
{
}
~BclStorageFolder()
{
Dispose(disposing: false);
}
public void Dispose()
{
Dispose(disposing: true);
GC.SuppressFinalize(this);
}
}

35
src/Avalonia.Base/Platform/Storage/FileIO/BclStorageProvider.cs

@ -0,0 +1,35 @@
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using Avalonia.Metadata;
namespace Avalonia.Platform.Storage.FileIO;
[Unstable]
public abstract class BclStorageProvider : IStorageProvider
{
public abstract bool CanOpen { get; }
public abstract Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options);
public abstract bool CanSave { get; }
public abstract Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options);
public abstract bool CanPickFolder { get; }
public abstract Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options);
public virtual Task<IStorageBookmarkFile?> OpenFileBookmarkAsync(string bookmark)
{
var file = new FileInfo(bookmark);
return file.Exists
? Task.FromResult<IStorageBookmarkFile?>(new BclStorageFile(file))
: Task.FromResult<IStorageBookmarkFile?>(null);
}
public virtual Task<IStorageBookmarkFolder?> OpenFolderBookmarkAsync(string bookmark)
{
var folder = new DirectoryInfo(bookmark);
return folder.Exists
? Task.FromResult<IStorageBookmarkFolder?>(new BclStorageFolder(folder))
: Task.FromResult<IStorageBookmarkFolder?>(null);
}
}

40
src/Avalonia.Base/Platform/Storage/FileIO/StorageProviderHelpers.cs

@ -0,0 +1,40 @@
using System;
using System.IO;
using System.Linq;
using Avalonia.Metadata;
namespace Avalonia.Platform.Storage.FileIO;
[Unstable]
public static class StorageProviderHelpers
{
public static string NameWithExtension(string path, string? defaultExtension, FilePickerFileType? filter)
{
var name = Path.GetFileName(path);
if (name != null && !Path.HasExtension(name))
{
if (filter?.Patterns?.Count > 0)
{
if (defaultExtension != null
&& filter.Patterns.Contains(defaultExtension))
{
return Path.ChangeExtension(path, defaultExtension.TrimStart('.'));
}
var ext = filter.Patterns.FirstOrDefault(x => x != "*.*");
ext = ext?.Split(new[] { "*." }, StringSplitOptions.RemoveEmptyEntries).LastOrDefault();
if (ext != null)
{
return Path.ChangeExtension(path, ext);
}
}
if (defaultExtension != null)
{
return Path.ChangeExtension(path, defaultExtension);
}
}
return path;
}
}

44
src/Avalonia.Base/Platform/Storage/FilePickerFileType.cs

@ -0,0 +1,44 @@
using System.Collections.Generic;
namespace Avalonia.Platform.Storage;
/// <summary>
/// Represents a name mapped to the associated file types (extensions).
/// </summary>
public sealed class FilePickerFileType
{
public FilePickerFileType(string name)
{
Name = name;
}
/// <summary>
/// File type name.
/// </summary>
public string Name { get; }
/// <summary>
/// List of extensions in GLOB format. I.e. "*.png" or "*.*".
/// </summary>
/// <remarks>
/// Used on Windows and Linux systems.
/// </remarks>
public IReadOnlyList<string>? Patterns { get; set; }
/// <summary>
/// List of extensions in MIME format.
/// </summary>
/// <remarks>
/// Used on Android, Browser and Linux systems.
/// </remarks>
public IReadOnlyList<string>? MimeTypes { get; set; }
/// <summary>
/// List of extensions in Apple uniform format.
/// </summary>
/// <remarks>
/// Used only on Apple devices.
/// See https://developer.apple.com/documentation/uniformtypeidentifiers/system_declared_uniform_type_identifiers.
/// </remarks>
public IReadOnlyList<string>? AppleUniformTypeIdentifiers { get; set; }
}

48
src/Avalonia.Base/Platform/Storage/FilePickerFileTypes.cs

@ -0,0 +1,48 @@
namespace Avalonia.Platform.Storage;
/// <summary>
/// Dictionary of well known file types.
/// </summary>
public static class FilePickerFileTypes
{
public static FilePickerFileType All { get; } = new("All")
{
Patterns = new[] { "*.*" },
MimeTypes = new[] { "*/*" }
};
public static FilePickerFileType TextPlain { get; } = new("Plain Text")
{
Patterns = new[] { "*.txt" },
AppleUniformTypeIdentifiers = new[] { "public.plain-text" },
MimeTypes = new[] { "text/plain" }
};
public static FilePickerFileType ImageAll { get; } = new("All Images")
{
Patterns = new[] { "*.png", "*.jpg", "*.jpeg", "*.gif", "*.bmp" },
AppleUniformTypeIdentifiers = new[] { "public.image" },
MimeTypes = new[] { "image/*" }
};
public static FilePickerFileType ImageJpg { get; } = new("JPEG image")
{
Patterns = new[] { "*.jpg", "*.jpeg" },
AppleUniformTypeIdentifiers = new[] { "public.jpeg" },
MimeTypes = new[] { "image/jpeg" }
};
public static FilePickerFileType ImagePng { get; } = new("PNG image")
{
Patterns = new[] { "*.png" },
AppleUniformTypeIdentifiers = new[] { "public.png" },
MimeTypes = new[] { "image/png" }
};
public static FilePickerFileType Pdf { get; } = new("PDF document")
{
Patterns = new[] { "*.pdf" },
AppleUniformTypeIdentifiers = new[] { "com.adobe.pdf" },
MimeTypes = new[] { "application/pdf" }
};
}

19
src/Avalonia.Base/Platform/Storage/FilePickerOpenOptions.cs

@ -0,0 +1,19 @@
using System.Collections.Generic;
namespace Avalonia.Platform.Storage;
/// <summary>
/// Options class for <see cref="IStorageProvider.OpenFilePickerAsync"/> method.
/// </summary>
public class FilePickerOpenOptions : PickerOptions
{
/// <summary>
/// Gets or sets an option indicating whether open picker allows users to select multiple files.
/// </summary>
public bool AllowMultiple { get; set; }
/// <summary>
/// Gets or sets the collection of file types that the file open picker displays.
/// </summary>
public IReadOnlyList<FilePickerFileType>? FileTypeFilter { get; set; }
}

29
src/Avalonia.Base/Platform/Storage/FilePickerSaveOptions.cs

@ -0,0 +1,29 @@
using System.Collections.Generic;
namespace Avalonia.Platform.Storage;
/// <summary>
/// Options class for <see cref="IStorageProvider.SaveFilePickerAsync"/> method.
/// </summary>
public class FilePickerSaveOptions : PickerOptions
{
/// <summary>
/// Gets or sets the file name that the file save picker suggests to the user.
/// </summary>
public string? SuggestedFileName { get; set; }
/// <summary>
/// Gets or sets the default extension to be used to save the file.
/// </summary>
public string? DefaultExtension { get; set; }
/// <summary>
/// Gets or sets the collection of valid file types that the user can choose to assign to a file.
/// </summary>
public IReadOnlyList<FilePickerFileType>? FileTypeChoices { get; set; }
/// <summary>
/// Gets or sets a value indicating whether file open picker displays a warning if the user specifies the name of a file that already exists.
/// </summary>
public bool? ShowOverwritePrompt { get; set; }
}

12
src/Avalonia.Base/Platform/Storage/FolderPickerOpenOptions.cs

@ -0,0 +1,12 @@
namespace Avalonia.Platform.Storage;
/// <summary>
/// Options class for <see cref="IStorageProvider.OpenFolderPickerAsync"/> method.
/// </summary>
public class FolderPickerOpenOptions : PickerOptions
{
/// <summary>
/// Gets or sets an option indicating whether open picker allows users to select multiple folders.
/// </summary>
public bool AllowMultiple { get; set; }
}

20
src/Avalonia.Base/Platform/Storage/IStorageBookmarkItem.cs

@ -0,0 +1,20 @@
using System.Threading.Tasks;
using Avalonia.Metadata;
namespace Avalonia.Platform.Storage;
[NotClientImplementable]
public interface IStorageBookmarkItem : IStorageItem
{
Task ReleaseBookmark();
}
[NotClientImplementable]
public interface IStorageBookmarkFile : IStorageFile, IStorageBookmarkItem
{
}
[NotClientImplementable]
public interface IStorageBookmarkFolder : IStorageFolder, IStorageBookmarkItem
{
}

32
src/Avalonia.Base/Platform/Storage/IStorageFile.cs

@ -0,0 +1,32 @@
using System.IO;
using System.Threading.Tasks;
using Avalonia.Metadata;
namespace Avalonia.Platform.Storage;
/// <summary>
/// Represents a file. Provides information about the file and its contents, and ways to manipulate them.
/// </summary>
[NotClientImplementable]
public interface IStorageFile : IStorageItem
{
/// <summary>
/// Returns true, if file is readable.
/// </summary>
bool CanOpenRead { get; }
/// <summary>
/// Opens a stream for read access.
/// </summary>
Task<Stream> OpenRead();
/// <summary>
/// Returns true, if file is writeable.
/// </summary>
bool CanOpenWrite { get; }
/// <summary>
/// Opens stream for writing to the file.
/// </summary>
Task<Stream> OpenWrite();
}

11
src/Avalonia.Base/Platform/Storage/IStorageFolder.cs

@ -0,0 +1,11 @@
using Avalonia.Metadata;
namespace Avalonia.Platform.Storage;
/// <summary>
/// Manipulates folders and their contents, and provides information about them.
/// </summary>
[NotClientImplementable]
public interface IStorageFolder : IStorageItem
{
}

53
src/Avalonia.Base/Platform/Storage/IStorageItem.cs

@ -0,0 +1,53 @@
using System;
using System.Diagnostics.CodeAnalysis;
using System.Threading.Tasks;
using Avalonia.Metadata;
namespace Avalonia.Platform.Storage;
/// <summary>
/// Manipulates storage items (files and folders) and their contents, and provides information about them
/// </summary>
/// <remarks>
/// This interface inherits <see cref="IDisposable"/> . It's recommended to dispose <see cref="IStorageItem"/> when it's not used anymore.
/// </remarks>
[NotClientImplementable]
public interface IStorageItem : IDisposable
{
/// <summary>
/// Gets the name of the item including the file name extension if there is one.
/// </summary>
string Name { get; }
/// <summary>
/// Gets the full file-system path of the item, if the item has a path.
/// </summary>
/// <remarks>
/// Android backend might return file path with "content:" scheme.
/// Browser and iOS backends might return relative uris.
/// </remarks>
bool TryGetUri([NotNullWhen(true)] out Uri? uri);
/// <summary>
/// Gets the basic properties of the current item.
/// </summary>
Task<StorageItemProperties> GetBasicPropertiesAsync();
/// <summary>
/// Returns true is item can be bookmarked and reused later.
/// </summary>
bool CanBookmark { get; }
/// <summary>
/// Saves items to a bookmark.
/// </summary>
/// <returns>
/// Returns identifier of a bookmark. Can be null if OS denied request.
/// </returns>
Task<string?> SaveBookmark();
/// <summary>
/// Gets the parent folder of the current storage item.
/// </summary>
Task<IStorageFolder?> GetParentAsync();
}

56
src/Avalonia.Base/Platform/Storage/IStorageProvider.cs

@ -0,0 +1,56 @@
using System.Collections.Generic;
using System.Threading.Tasks;
using Avalonia.Metadata;
namespace Avalonia.Platform.Storage;
[NotClientImplementable]
public interface IStorageProvider
{
/// <summary>
/// Returns true if it's possible to open file picker on the current platform.
/// </summary>
bool CanOpen { get; }
/// <summary>
/// Opens file picker dialog.
/// </summary>
/// <returns>Array of selected <see cref="IStorageFile"/> or empty collection if user canceled the dialog.</returns>
Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options);
/// <summary>
/// Returns true if it's possible to open save file picker on the current platform.
/// </summary>
bool CanSave { get; }
/// <summary>
/// Opens save file picker dialog.
/// </summary>
/// <returns>Saved <see cref="IStorageFile"/> or null if user canceled the dialog.</returns>
Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options);
/// <summary>
/// Returns true if it's possible to open folder picker on the current platform.
/// </summary>
bool CanPickFolder { get; }
/// <summary>
/// Opens folder picker dialog.
/// </summary>
/// <returns>Array of selected <see cref="IStorageFolder"/> or empty collection if user canceled the dialog.</returns>
Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options);
/// <summary>
/// Open <see cref="IStorageBookmarkFile"/> from the bookmark ID.
/// </summary>
/// <param name="bookmark">Bookmark ID.</param>
/// <returns>Bookmarked file or null if OS denied request.</returns>
Task<IStorageBookmarkFile?> OpenFileBookmarkAsync(string bookmark);
/// <summary>
/// Open <see cref="IStorageBookmarkFolder"/> from the bookmark ID.
/// </summary>
/// <param name="bookmark">Bookmark ID.</param>
/// <returns>Bookmarked folder or null if OS denied request.</returns>
Task<IStorageBookmarkFolder?> OpenFolderBookmarkAsync(string bookmark);
}

17
src/Avalonia.Base/Platform/Storage/PickerOptions.cs

@ -0,0 +1,17 @@
namespace Avalonia.Platform.Storage;
/// <summary>
/// Common options for <see cref="IStorageProvider.OpenFolderPickerAsync"/>, <see cref="IStorageProvider.OpenFilePickerAsync"/> and <see cref="IStorageProvider.SaveFilePickerAsync"/> methods.
/// </summary>
public class PickerOptions
{
/// <summary>
/// Gets or sets the text that appears in the title bar of a folder dialog.
/// </summary>
public string? Title { get; set; }
/// <summary>
/// Gets or sets the initial location where the file open picker looks for files to present to the user.
/// </summary>
public IStorageFolder? SuggestedStartLocation { get; set; }
}

43
src/Avalonia.Base/Platform/Storage/StorageItemProperties.cs

@ -0,0 +1,43 @@
using System;
namespace Avalonia.Platform.Storage;
/// <summary>
/// Provides access to the content-related properties of an item (like a file or folder).
/// </summary>
public class StorageItemProperties
{
public StorageItemProperties(
ulong? size = null,
DateTimeOffset? dateCreated = null,
DateTimeOffset? dateModified = null)
{
Size = size;
DateCreated = dateCreated;
DateModified = dateModified;
}
/// <summary>
/// Gets the size of the file in bytes.
/// </summary>
/// <remarks>
/// Can be null if property is not available.
/// </remarks>
public ulong? Size { get; }
/// <summary>
/// Gets the date and time that the current folder was created.
/// </summary>
/// <remarks>
/// Can be null if property is not available.
/// </remarks>
public DateTimeOffset? DateCreated { get; }
/// <summary>
/// Gets the date and time of the last time the file was modified.
/// </summary>
/// <remarks>
/// Can be null if property is not available.
/// </remarks>
public DateTimeOffset? DateModified { get; }
}

1
src/Avalonia.Base/Rendering/SceneGraph/SceneBuilder.cs

@ -158,6 +158,7 @@ namespace Avalonia.Rendering.SceneGraph
if (result != null && result.Parent != parent)
{
Deindex(scene, result);
((VisualNode?)result.Parent)?.RemoveChild(result);
result = null;
}

2
src/Avalonia.Base/Utilities/ArrayBuilder.cs

@ -101,7 +101,7 @@ namespace Avalonia.Utilities
/// </summary>
/// <param name="value">The array slice.</param>
/// <returns>The <see cref="ArraySlice{T}"/>.</returns>
public ArraySlice<T> Add(in ReadOnlySlice<T> value)
public ArraySlice<T> Add(in ArraySlice<T> value)
{
var position = _size;

2
src/Avalonia.Base/Utilities/ArraySlice.cs

@ -116,7 +116,7 @@ namespace Avalonia.Utilities
/// </summary>
public static implicit operator ReadOnlySlice<T>(ArraySlice<T> slice)
{
return new ReadOnlySlice<T>(slice._data).AsSlice(slice.Start, slice.Length);
return new ReadOnlySlice<T>(slice._data, 0, slice.Length, slice.Start);
}
/// <summary>

40
src/Avalonia.Base/Utilities/BidiDictionary.cs

@ -0,0 +1,40 @@
using System.Collections.Generic;
namespace Avalonia.Utilities
{
/// <summary>
/// A simple bi-directional dictionary.
/// </summary>
/// <typeparam name="T1">Key type</typeparam>
/// <typeparam name="T2">Value type</typeparam>
internal sealed class BidiDictionary<T1, T2> where T1 : notnull where T2 : notnull
{
public Dictionary<T1, T2> Forward { get; } = new Dictionary<T1, T2>();
public Dictionary<T2, T1> Reverse { get; } = new Dictionary<T2, T1>();
public void Clear()
{
Forward.Clear();
Reverse.Clear();
}
public void Add(T1 key, T2 value)
{
Forward.Add(key, value);
Reverse.Add(value, key);
}
#pragma warning disable CS8601
public bool TryGetValue(T1 key, out T2 value) => Forward.TryGetValue(key, out value);
#pragma warning restore CS8601
#pragma warning disable CS8601
public bool TryGetKey(T2 value, out T1 key) => Reverse.TryGetValue(value, out key);
#pragma warning restore CS8601
public bool ContainsKey(T1 key) => Forward.ContainsKey(key);
public bool ContainsValue(T2 value) => Reverse.ContainsKey(value);
}
}

4
src/Avalonia.Base/ValueStore.cs

@ -462,10 +462,6 @@ namespace Avalonia
values.Remove(entry.property);
}
}
else
{
throw new AvaloniaInternalException("Value could not be found at the end of batch update.");
}
// If a new batch update was started while ending this one, abort.
if (_batchUpdateCount > 0)

4
src/Avalonia.Controls.DataGrid/DataGridCell.cs

@ -178,9 +178,9 @@ namespace Avalonia.Controls
{
var handled = OwningGrid.UpdateStateOnMouseLeftButtonDown(e, ColumnIndex, OwningRow.Slot, !e.Handled);
// Do not handle PointerPressed with touch,
// Do not handle PointerPressed with touch or pen,
// so we can start scroll gesture on the same event.
if (e.Pointer.Type != PointerType.Touch)
if (e.Pointer.Type != PointerType.Touch && e.Pointer.Type != PointerType.Pen)
{
e.Handled = handled;
}

1
src/Avalonia.Controls/Flyouts/FlyoutBase.cs

@ -223,6 +223,7 @@ namespace Avalonia.Controls.Primitives
{
Popup.PlacementTarget = Target = placementTarget;
((ISetLogicalParent)Popup).SetParent(placementTarget);
Popup.SetValue(StyledElement.TemplatedParentProperty, placementTarget.TemplatedParent);
}
if (Popup.Child == null)

12
src/Avalonia.Controls/Platform/Dialogs/IStorageProviderFactory.cs

@ -0,0 +1,12 @@
#nullable enable
using Avalonia.Platform.Storage;
namespace Avalonia.Controls.Platform;
/// <summary>
/// Factory allows to register custom storage provider instead of native implementation.
/// </summary>
public interface IStorageProviderFactory
{
IStorageProvider CreateProvider(TopLevel topLevel);
}

2
src/Avalonia.Controls/Platform/ISystemDialogImpl.cs → src/Avalonia.Controls/Platform/Dialogs/ISystemDialogImpl.cs

@ -1,3 +1,4 @@
using System;
using System.Threading.Tasks;
using Avalonia.Metadata;
@ -6,6 +7,7 @@ namespace Avalonia.Controls.Platform
/// <summary>
/// Defines a platform-specific system dialog implementation.
/// </summary>
[Obsolete("Use Window.StorageProvider API or TopLevel.StorageProvider API")]
[Unstable]
public interface ISystemDialogImpl
{

74
src/Avalonia.Controls/Platform/Dialogs/SystemDialogImpl.cs

@ -0,0 +1,74 @@
using System;
using System.Linq;
using System.Threading.Tasks;
#nullable enable
namespace Avalonia.Controls.Platform
{
/// <summary>
/// Defines a platform-specific system dialog implementation.
/// </summary>
[Obsolete]
internal class SystemDialogImpl : ISystemDialogImpl
{
public async Task<string[]?> ShowFileDialogAsync(FileDialog dialog, Window parent)
{
if (dialog is OpenFileDialog openDialog)
{
var filePicker = parent.StorageProvider;
if (!filePicker.CanOpen)
{
return null;
}
var options = openDialog.ToFilePickerOpenOptions();
var files = await filePicker.OpenFilePickerAsync(options);
return files
.Select(file => file.TryGetUri(out var fullPath)
? fullPath.LocalPath
: file.Name)
.ToArray();
}
else if (dialog is SaveFileDialog saveDialog)
{
var filePicker = parent.StorageProvider;
if (!filePicker.CanSave)
{
return null;
}
var options = saveDialog.ToFilePickerSaveOptions();
var file = await filePicker.SaveFilePickerAsync(options);
if (file is null)
{
return null;
}
var filePath = file.TryGetUri(out var fullPath)
? fullPath.LocalPath
: file.Name;
return new[] { filePath };
}
return null;
}
public async Task<string?> ShowFolderDialogAsync(OpenFolderDialog dialog, Window parent)
{
var filePicker = parent.StorageProvider;
if (!filePicker.CanPickFolder)
{
return null;
}
var options = dialog.ToFolderPickerOpenOptions();
var folders = await filePicker.OpenFolderPickerAsync(options);
return folders
.Select(f => f.TryGetUri(out var uri) ? uri.LocalPath : null)
.FirstOrDefault(u => u is not null);
}
}
}

11
src/Avalonia.Controls/Platform/ITopLevelImplWithStorageProvider.cs

@ -0,0 +1,11 @@
using Avalonia.Metadata;
using Avalonia.Platform;
using Avalonia.Platform.Storage;
namespace Avalonia.Controls.Platform;
[Unstable]
public interface ITopLevelImplWithStorageProvider : ITopLevelImpl
{
public IStorageProvider StorageProvider { get; }
}

17
src/Avalonia.Controls/Primitives/Popup.cs

@ -860,22 +860,7 @@ namespace Avalonia.Controls.Primitives
{
if (control != null)
{
var templatedParent = TemplatedParent;
if (control.TemplatedParent == null)
{
control.SetValue(TemplatedParentProperty, templatedParent);
}
control.ApplyTemplate();
if (!(control is IPresenter) && control.TemplatedParent == templatedParent)
{
foreach (IControl child in control.VisualChildren)
{
SetTemplatedParentAndApplyChildTemplates(child);
}
}
TemplatedControl.ApplyTemplatedParent(control, TemplatedParent);
}
}

10
src/Avalonia.Controls/Primitives/TemplatedControl.cs

@ -285,7 +285,7 @@ namespace Avalonia.Controls.Primitives
Logger.TryGet(LogEventLevel.Verbose, LogArea.Control)?.Log(this, "Creating control template");
var (child, nameScope) = template.Build(this);
ApplyTemplatedParent(child);
ApplyTemplatedParent(child, this);
((ISetLogicalParent)child).SetParent(this);
VisualChildren.Add(child);
@ -389,18 +389,18 @@ namespace Avalonia.Controls.Primitives
/// Sets the TemplatedParent property for the created template children.
/// </summary>
/// <param name="control">The control.</param>
private void ApplyTemplatedParent(IControl control)
internal static void ApplyTemplatedParent(IStyledElement control, ITemplatedControl? templatedParent)
{
control.SetValue(TemplatedParentProperty, this);
control.SetValue(TemplatedParentProperty, templatedParent);
var children = control.LogicalChildren;
var count = children.Count;
for (var i = 0; i < count; i++)
{
if (children[i] is IControl child)
if (children[i] is IStyledElement child)
{
ApplyTemplatedParent(child);
ApplyTemplatedParent(child, templatedParent);
}
}
}

2
src/Avalonia.Controls/Selection/InternalSelectionModel.cs

@ -168,7 +168,7 @@ namespace Avalonia.Controls.Selection
{
if (_writableSelectedItems is INotifyCollectionChanged incc)
{
incc.CollectionChanged += OnSelectedItemsCollectionChanged;
incc.CollectionChanged -= OnSelectedItemsCollectionChanged;
}
}

57
src/Avalonia.Controls/SystemDialog.cs

@ -3,12 +3,15 @@ using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Avalonia.Controls.Platform;
using Avalonia.Platform.Storage;
using Avalonia.Platform.Storage.FileIO;
namespace Avalonia.Controls
{
/// <summary>
/// Base class for system file dialogs.
/// </summary>
[Obsolete("Use Window.StorageProvider API or TopLevel.StorageProvider API")]
public abstract class FileDialog : FileSystemDialog
{
/// <summary>
@ -26,6 +29,7 @@ namespace Avalonia.Controls
/// <summary>
/// Base class for system file and directory dialogs.
/// </summary>
[Obsolete("Use Window.StorageProvider API or TopLevel.StorageProvider API")]
public abstract class FileSystemDialog : SystemDialog
{
[Obsolete("Use Directory")]
@ -45,6 +49,7 @@ namespace Avalonia.Controls
/// <summary>
/// Represents a system dialog that prompts the user to select a location for saving a file.
/// </summary>
[Obsolete("Use Window.StorageProvider API or TopLevel.StorageProvider API")]
public class SaveFileDialog : FileDialog
{
/// <summary>
@ -73,11 +78,27 @@ namespace Avalonia.Controls
return (await service.ShowFileDialogAsync(this, parent) ??
Array.Empty<string>()).FirstOrDefault();
}
public FilePickerSaveOptions ToFilePickerSaveOptions()
{
return new FilePickerSaveOptions
{
SuggestedFileName = InitialFileName,
DefaultExtension = DefaultExtension,
FileTypeChoices = Filters?.Select(f => new FilePickerFileType(f.Name!) { Patterns = f.Extensions.Select(e => $"*.{e}").ToArray() }).ToArray(),
Title = Title,
SuggestedStartLocation = InitialDirectory is { } directory
? new BclStorageFolder(new System.IO.DirectoryInfo(directory))
: null,
ShowOverwritePrompt = ShowOverwritePrompt
};
}
}
/// <summary>
/// Represents a system dialog that allows the user to select one or more files to open.
/// </summary>
[Obsolete("Use Window.StorageProvider API or TopLevel.StorageProvider API")]
public class OpenFileDialog : FileDialog
{
/// <summary>
@ -100,11 +121,25 @@ namespace Avalonia.Controls
var service = AvaloniaLocator.Current.GetRequiredService<ISystemDialogImpl>();
return service.ShowFileDialogAsync(this, parent);
}
public FilePickerOpenOptions ToFilePickerOpenOptions()
{
return new FilePickerOpenOptions
{
AllowMultiple = AllowMultiple,
FileTypeFilter = Filters?.Select(f => new FilePickerFileType(f.Name!) { Patterns = f.Extensions.Select(e => $"*.{e}").ToArray() }).ToArray(),
Title = Title,
SuggestedStartLocation = InitialDirectory is { } directory
? new BclStorageFolder(new System.IO.DirectoryInfo(directory))
: null
};
}
}
/// <summary>
/// Represents a system dialog that allows the user to select a directory.
/// </summary>
[Obsolete("Use Window.StorageProvider API or TopLevel.StorageProvider API")]
public class OpenFolderDialog : FileSystemDialog
{
[Obsolete("Use Directory")]
@ -129,14 +164,35 @@ namespace Avalonia.Controls
var service = AvaloniaLocator.Current.GetRequiredService<ISystemDialogImpl>();
return service.ShowFolderDialogAsync(this, parent);
}
public FolderPickerOpenOptions ToFolderPickerOpenOptions()
{
return new FolderPickerOpenOptions
{
Title = Title,
SuggestedStartLocation = InitialDirectory is { } directory
? new BclStorageFolder(new System.IO.DirectoryInfo(directory))
: null
};
}
}
/// <summary>
/// Base class for system dialogs.
/// </summary>
[Obsolete("Use Window.StorageProvider API or TopLevel.StorageProvider API")]
public abstract class SystemDialog
{
static SystemDialog()
{
if (AvaloniaLocator.Current.GetService<ISystemDialogImpl>() is null)
{
// Register default implementation.
AvaloniaLocator.CurrentMutable.Bind<ISystemDialogImpl>().ToSingleton<SystemDialogImpl>();
}
}
/// <summary>
/// Gets or sets the dialog title.
/// </summary>
@ -146,6 +202,7 @@ namespace Avalonia.Controls
/// <summary>
/// Represents a filter in an <see cref="OpenFileDialog"/> or an <see cref="SaveFileDialog"/>.
/// </summary>
[Obsolete("Use Window.StorageProvider API or TopLevel.StorageProvider API")]
public class FileDialogFilter
{
/// <summary>

5
src/Avalonia.Controls/ToolTip.cs

@ -271,8 +271,9 @@ namespace Avalonia.Controls
_popupHost = OverlayPopupHost.CreatePopupHost(control, null);
_popupHost.SetChild(this);
((ISetLogicalParent)_popupHost).SetParent(control);
_popupHost.ConfigurePosition(control, GetPlacement(control),
ApplyTemplatedParent(this, control.TemplatedParent);
_popupHost.ConfigurePosition(control, GetPlacement(control),
new Point(GetHorizontalOffset(control), GetVerticalOffset(control)));
WindowManagerAddShadowHintChanged(_popupHost, false);

15
src/Avalonia.Controls/TopLevel.cs

@ -11,6 +11,7 @@ using Avalonia.Logging;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Platform;
using Avalonia.Platform.Storage;
using Avalonia.Rendering;
using Avalonia.Styling;
using Avalonia.Utilities;
@ -93,7 +94,8 @@ namespace Avalonia.Controls
private ILayoutManager? _layoutManager;
private Border? _transparencyFallbackBorder;
private TargetWeakEventSubscriber<TopLevel, ResourcesChangedEventArgs>? _resourcesChangesSubscriber;
private IStorageProvider? _storageProvider;
/// <summary>
/// Initializes static members of the <see cref="TopLevel"/> class.
/// </summary>
@ -319,6 +321,11 @@ namespace Avalonia.Controls
double IRenderRoot.RenderScaling => PlatformImpl?.RenderScaling ?? 1;
IStyleHost IStyleHost.StylingParent => _globalStyles!;
public IStorageProvider StorageProvider => _storageProvider
??= AvaloniaLocator.Current.GetService<IStorageProviderFactory>()?.CreateProvider(this)
?? (PlatformImpl as ITopLevelImplWithStorageProvider)?.StorageProvider
?? throw new InvalidOperationException("StorageProvider platform implementation is not available.");
IRenderTarget IRenderRoot.CreateRenderTarget() => CreateRenderTarget();
@ -484,7 +491,11 @@ namespace Avalonia.Controls
/// Raises the <see cref="Opened"/> event.
/// </summary>
/// <param name="e">The event args.</param>
protected virtual void OnOpened(EventArgs e) => Opened?.Invoke(this, e);
protected virtual void OnOpened(EventArgs e)
{
FrameSize = PlatformImpl?.FrameSize;
Opened?.Invoke(this, e);
}
/// <summary>
/// Raises the <see cref="Closed"/> event.

52
src/Avalonia.Controls/Window.cs

@ -871,10 +871,10 @@ namespace Avalonia.Controls
var scaling = owner?.DesktopScaling ?? PlatformImpl?.DesktopScaling ?? 1;
// TODO: We really need non-client size here.
var rect = new PixelRect(
PixelPoint.Origin,
PixelSize.FromSize(ClientSize, scaling));
// Use frame size, falling back to client size if the platform can't give it to us.
var rect = FrameSize.HasValue ?
new PixelRect(PixelSize.FromSize(FrameSize.Value, scaling)) :
new PixelRect(PixelSize.FromSize(ClientSize, scaling));
if (startupLocation == WindowStartupLocation.CenterScreen)
{
@ -901,10 +901,10 @@ namespace Avalonia.Controls
{
if (owner != null)
{
// TODO: We really need non-client size here.
var ownerSize = owner.FrameSize ?? owner.ClientSize;
var ownerRect = new PixelRect(
owner.Position,
PixelSize.FromSize(owner.ClientSize, scaling));
PixelSize.FromSize(ownerSize, scaling));
Position = ownerRect.CenterRect(rect).Position;
}
}
@ -991,28 +991,28 @@ namespace Avalonia.Controls
/// <inheritdoc/>
protected sealed override void HandleResized(Size clientSize, PlatformResizeReason reason)
{
if (ClientSize == clientSize)
return;
var sizeToContent = SizeToContent;
// If auto-sizing is enabled, and the resize came from a user resize (or the reason was
// unspecified) then turn off auto-resizing for any window dimension that is not equal
// to the requested size.
if (sizeToContent != SizeToContent.Manual &&
CanResize &&
reason == PlatformResizeReason.Unspecified ||
reason == PlatformResizeReason.User)
if (ClientSize != clientSize || double.IsNaN(Width) || double.IsNaN(Height))
{
if (clientSize.Width != ClientSize.Width)
sizeToContent &= ~SizeToContent.Width;
if (clientSize.Height != ClientSize.Height)
sizeToContent &= ~SizeToContent.Height;
SizeToContent = sizeToContent;
}
var sizeToContent = SizeToContent;
// If auto-sizing is enabled, and the resize came from a user resize (or the reason was
// unspecified) then turn off auto-resizing for any window dimension that is not equal
// to the requested size.
if (sizeToContent != SizeToContent.Manual &&
CanResize &&
reason == PlatformResizeReason.Unspecified ||
reason == PlatformResizeReason.User)
{
if (clientSize.Width != ClientSize.Width)
sizeToContent &= ~SizeToContent.Width;
if (clientSize.Height != ClientSize.Height)
sizeToContent &= ~SizeToContent.Height;
SizeToContent = sizeToContent;
}
Width = clientSize.Width;
Height = clientSize.Height;
Width = clientSize.Width;
Height = clientSize.Height;
}
base.HandleResized(clientSize, reason);
}

10
src/Avalonia.Controls/WindowBase.cs

@ -236,10 +236,14 @@ namespace Avalonia.Controls
/// <param name="reason">The reason for the resize.</param>
protected override void HandleResized(Size clientSize, PlatformResizeReason reason)
{
ClientSize = clientSize;
FrameSize = PlatformImpl?.FrameSize;
LayoutManager.ExecuteLayoutPass();
Renderer?.Resized(clientSize);
if (ClientSize != clientSize)
{
ClientSize = clientSize;
LayoutManager.ExecuteLayoutPass();
Renderer?.Resized(clientSize);
}
}
/// <summary>

6
src/Avalonia.DesignerSupport/Remote/PreviewerWindowImpl.cs

@ -1,15 +1,17 @@
using System;
using Avalonia.Controls;
using Avalonia.Controls.Platform;
using Avalonia.Controls.Remote.Server;
using Avalonia.Input;
using Avalonia.Platform;
using Avalonia.Platform.Storage;
using Avalonia.Remote.Protocol;
using Avalonia.Remote.Protocol.Viewport;
using Avalonia.Threading;
namespace Avalonia.DesignerSupport.Remote
{
class PreviewerWindowImpl : RemoteServerTopLevelImpl, IWindowImpl
class PreviewerWindowImpl : RemoteServerTopLevelImpl, IWindowImpl, ITopLevelImplWithStorageProvider
{
private readonly IAvaloniaRemoteTransportConnection _transport;
@ -90,6 +92,8 @@ namespace Avalonia.DesignerSupport.Remote
public bool NeedsManagedDecorations => false;
public IStorageProvider StorageProvider => new NoopStorageProvider();
public void Activate()
{
}

1
src/Avalonia.DesignerSupport/Remote/PreviewerWindowingPlatform.cs

@ -55,7 +55,6 @@ namespace Avalonia.DesignerSupport.Remote
.Bind<IPlatformThreadingInterface>().ToConstant(threading)
.Bind<IRenderLoop>().ToConstant(new RenderLoop())
.Bind<IRenderTimer>().ToConstant(new DefaultRenderTimer(60))
.Bind<ISystemDialogImpl>().ToSingleton<SystemDialogsStub>()
.Bind<IWindowingPlatform>().ToConstant(instance)
.Bind<IPlatformIconLoader>().ToSingleton<IconLoaderStub>()
.Bind<PlatformHotkeyConfiguration>().ToSingleton<PlatformHotkeyConfiguration>();

32
src/Avalonia.DesignerSupport/Remote/Stubs.cs

@ -11,6 +11,8 @@ using Avalonia.Input;
using Avalonia.Input.Platform;
using Avalonia.Input.Raw;
using Avalonia.Platform;
using Avalonia.Platform.Storage;
using Avalonia.Platform.Storage.FileIO;
using Avalonia.Rendering;
namespace Avalonia.DesignerSupport.Remote
@ -222,15 +224,6 @@ namespace Avalonia.DesignerSupport.Remote
public IWindowIconImpl LoadIcon(IBitmapImpl bitmap) => new IconStub();
}
class SystemDialogsStub : ISystemDialogImpl
{
public Task<string[]> ShowFileDialogAsync(FileDialog dialog, Window parent) =>
Task.FromResult((string[])null);
public Task<string> ShowFolderDialogAsync(OpenFolderDialog dialog, Window parent) =>
Task.FromResult((string)null);
}
class ScreenStub : IScreenImpl
{
public int ScreenCount => 1;
@ -253,4 +246,25 @@ namespace Avalonia.DesignerSupport.Remote
return ScreenHelper.ScreenFromWindow(window, AllScreens);
}
}
internal class NoopStorageProvider : BclStorageProvider
{
public override bool CanOpen => false;
public override Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options)
{
return Task.FromResult<IReadOnlyList<IStorageFile>>(Array.Empty<IStorageFile>());
}
public override bool CanSave => false;
public override Task<IStorageFile> SaveFilePickerAsync(FilePickerSaveOptions options)
{
return Task.FromResult<IStorageFile>(null);
}
public override bool CanPickFolder => false;
public override Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options)
{
return Task.FromResult<IReadOnlyList<IStorageFolder>>(Array.Empty<IStorageFolder>());
}
}
}

108
src/Avalonia.Diagnostics/Diagnostics/ViewModels/ControlDetailsViewModel.cs

@ -113,6 +113,8 @@ namespace Avalonia.Diagnostics.ViewModels
}
}
public bool CanNavigateToParentProperty => _selectedEntitiesStack.Count >= 1;
private (object resourceKey, bool isDynamic)? GetResourceInfo(object? value)
{
if (value is StaticResourceExtension staticResource)
@ -415,7 +417,14 @@ namespace Avalonia.Diagnostics.ViewModels
}
}
public void ApplySelectedProperty()
private static IEnumerable<PropertyInfo> GetAllPublicProperties(Type type)
{
return type
.GetProperties()
.Concat(type.GetInterfaces().SelectMany(i => i.GetProperties()));
}
public void NavigateToSelectedProperty()
{
var selectedProperty = SelectedProperty;
var selectedEntity = SelectedEntity;
@ -423,72 +432,103 @@ namespace Avalonia.Diagnostics.ViewModels
if (selectedEntity == null
|| selectedProperty == null
|| selectedProperty.PropertyType == typeof(string)
|| selectedProperty.PropertyType.IsValueType
)
|| selectedProperty.PropertyType.IsValueType)
return;
object? property;
if (selectedProperty.Key is AvaloniaProperty avaloniaProperty)
object? property = null;
switch (selectedProperty)
{
property = (_selectedEntity as IControl)?.GetValue(avaloniaProperty);
case AvaloniaPropertyViewModel avaloniaProperty:
property = (_selectedEntity as IControl)?.GetValue(avaloniaProperty.Property);
break;
case ClrPropertyViewModel clrProperty:
{
property = GetAllPublicProperties(selectedEntity.GetType())
.FirstOrDefault(pi => clrProperty.Property == pi)?
.GetValue(selectedEntity);
break;
}
}
else
if (property == null)
return;
_selectedEntitiesStack.Push((Name:selectedEntityName!, Entry:selectedEntity));
var propertyName = selectedProperty.Name;
//Strip out interface names
if (propertyName.LastIndexOf('.') is var p && p != -1)
{
property = selectedEntity.GetType().GetProperties()
.FirstOrDefault(pi => pi.Name == selectedProperty.Name
&& pi.DeclaringType == selectedProperty.DeclaringType
&& pi.PropertyType.Name == selectedProperty.PropertyType.Name)
?.GetValue(selectedEntity);
propertyName = propertyName.Substring(p + 1);
}
if (property == null) return;
_selectedEntitiesStack.Push((Name:selectedEntityName!,Entry:selectedEntity));
NavigateToProperty(property, selectedProperty.Name);
NavigateToProperty(property, selectedEntityName + "." + propertyName);
RaisePropertyChanged(nameof(CanNavigateToParentProperty));
}
public void ApplyParentProperty()
public void NavigateToParentProperty()
{
if (_selectedEntitiesStack.Any())
if (_selectedEntitiesStack.Count > 0)
{
var property = _selectedEntitiesStack.Pop();
NavigateToProperty(property.Entry, property.Name);
RaisePropertyChanged(nameof(CanNavigateToParentProperty));
}
}
protected void NavigateToProperty(object o, string? entityName)
protected void NavigateToProperty(object o, string? entityName)
{
var oldSelectedEntity = SelectedEntity;
if (oldSelectedEntity is IAvaloniaObject ao1)
{
ao1.PropertyChanged -= ControlPropertyChanged;
}
else if (oldSelectedEntity is INotifyPropertyChanged inpc1)
switch (oldSelectedEntity)
{
inpc1.PropertyChanged -= ControlPropertyChanged;
case IAvaloniaObject ao1:
ao1.PropertyChanged -= ControlPropertyChanged;
break;
case INotifyPropertyChanged inpc1:
inpc1.PropertyChanged -= ControlPropertyChanged;
break;
}
SelectedEntity = o;
SelectedEntityName = entityName;
SelectedEntityType = o.ToString();
var properties = GetAvaloniaProperties(o)
.Concat(GetClrProperties(o, _showImplementedInterfaces))
.OrderBy(x => x, PropertyComparer.Instance)
.ThenBy(x => x.Name)
.ToArray();
_propertyIndex = properties.GroupBy(x => x.Key).ToDictionary(x => x.Key, x => x.ToArray());
_propertyIndex = properties
.GroupBy(x => x.Key)
.ToDictionary(x => x.Key, x => x.ToArray());
TreePage.PropertiesFilter.FilterString = string.Empty;
var view = new DataGridCollectionView(properties);
view.GroupDescriptions.Add(new DataGridPathGroupDescription(nameof(AvaloniaPropertyViewModel.Group)));
view.Filter = FilterProperty;
PropertiesView = view;
if (o is IAvaloniaObject ao2)
switch (o)
{
ao2.PropertyChanged += ControlPropertyChanged;
}
else if (o is INotifyPropertyChanged inpc2)
{
inpc2.PropertyChanged += ControlPropertyChanged;
case IAvaloniaObject ao2:
ao2.PropertyChanged += ControlPropertyChanged;
break;
case INotifyPropertyChanged inpc2:
inpc2.PropertyChanged += ControlPropertyChanged;
break;
}
}
@ -498,7 +538,9 @@ namespace Avalonia.Diagnostics.ViewModels
if (SelectedEntity != _avaloniaObject)
{
NavigateToProperty(_avaloniaObject, (_avaloniaObject as IControl)?.Name ?? _avaloniaObject.ToString());
NavigateToProperty(
_avaloniaObject,
(_avaloniaObject as IControl)?.Name ?? _avaloniaObject.ToString());
}
if (PropertiesView is null)

28
src/Avalonia.Diagnostics/Diagnostics/ViewModels/ControlLayoutViewModel.cs

@ -30,20 +30,28 @@ namespace Avalonia.Diagnostics.ViewModels
if (control is AvaloniaObject ao)
{
MarginThickness = ao.GetValue(Layoutable.MarginProperty);
if (HasPadding)
try
{
PaddingThickness = ao.GetValue(Decorator.PaddingProperty);
}
_updatingFromControl = true;
MarginThickness = ao.GetValue(Layoutable.MarginProperty);
if (HasPadding)
{
PaddingThickness = ao.GetValue(Decorator.PaddingProperty);
}
if (HasBorder)
if (HasBorder)
{
BorderThickness = ao.GetValue(Border.BorderThicknessProperty);
}
HorizontalAlignment = ao.GetValue(Layoutable.HorizontalAlignmentProperty);
VerticalAlignment = ao.GetValue(Layoutable.VerticalAlignmentProperty);
}
finally
{
BorderThickness = ao.GetValue(Border.BorderThicknessProperty);
_updatingFromControl = false;
}
HorizontalAlignment = ao.GetValue(Layoutable.HorizontalAlignmentProperty);
VerticalAlignment = ao.GetValue(Layoutable.VerticalAlignmentProperty);
}
UpdateSize();

6
src/Avalonia.Diagnostics/Diagnostics/Views/ControlDetailsView.xaml

@ -30,7 +30,11 @@
<Grid Grid.Column="0" RowDefinitions="Auto,Auto,*">
<Grid ColumnDefinitions="Auto, *" RowDefinitions="Auto, Auto">
<Button Grid.Column="0" Grid.RowSpan="2" Content="^" Command="{Binding ApplyParentProperty}" />
<Button Grid.Column="0" Grid.RowSpan="2" Content="^"
IsEnabled="{Binding CanNavigateToParentProperty}"
Margin="0 0 4 0"
ToolTip.Tip="Navigate to parent property"
Command="{Binding NavigateToParentProperty}" />
<TextBlock Grid.Column="1" Grid.Row="0" Text="{Binding SelectedEntityName}" FontWeight="Bold" />
<TextBlock Grid.Column="1" Grid.Row="1" Text="{Binding SelectedEntityType}" FontStyle="Italic" />
</Grid>

2
src/Avalonia.Diagnostics/Diagnostics/Views/ControlDetailsView.xaml.cs

@ -25,7 +25,7 @@ namespace Avalonia.Diagnostics.Views
{
if (sender is DataGrid grid && grid.DataContext is ControlDetailsViewModel controlDetails)
{
controlDetails.ApplySelectedProperty();
controlDetails.NavigateToSelectedProperty();
}
}

4
src/Avalonia.Dialogs/Avalonia.Dialogs.csproj

@ -14,10 +14,6 @@
<ProjectReference Include="..\Markup\Avalonia.Markup.Xaml\Avalonia.Markup.Xaml.csproj" />
</ItemGroup>
<ItemGroup Label="InternalsVisibleTo">
<InternalsVisibleTo Include="Avalonia.X11, PublicKey=$(AvaloniaPublicKey)" />
</ItemGroup>
<Import Project="..\..\build\ApiDiff.props" />
<Import Project="..\..\build\DevAnalyzers.props" />
</Project>

35
src/Avalonia.Dialogs/ManagedFileChooserFilterViewModel.cs

@ -1,48 +1,31 @@
using System;
using System.Collections.Generic;
using System.Linq;
using Avalonia.Controls;
using System.Text.RegularExpressions;
using Avalonia.Platform.Storage;
namespace Avalonia.Dialogs
{
internal class ManagedFileChooserFilterViewModel : InternalViewModelBase
{
private readonly string[] _extensions;
private readonly Regex[] _patterns;
public string Name { get; }
public ManagedFileChooserFilterViewModel(FileDialogFilter filter)
public ManagedFileChooserFilterViewModel(FilePickerFileType filter)
{
Name = filter.Name;
if (filter.Extensions.Contains("*"))
if (filter.Patterns?.Contains("*.*") == true)
{
return;
}
_extensions = filter.Extensions?.Select(e => "." + e.ToLowerInvariant()).ToArray();
}
public ManagedFileChooserFilterViewModel()
{
Name = "All files";
_patterns = filter.Patterns?
.Select(e => new Regex(Regex.Escape(e).Replace(@"\*", ".*").Replace(@"\?", "."), RegexOptions.Singleline | RegexOptions.IgnoreCase))
.ToArray();
}
public bool Match(string filename)
{
if (_extensions == null)
{
return true;
}
foreach (var ext in _extensions)
{
if (filename.EndsWith(ext, StringComparison.InvariantCultureIgnoreCase))
{
return true;
}
}
return false;
return _patterns == null || _patterns.Any(ext => ext.IsMatch(filename));
}
public override string ToString() => Name;

97
src/Avalonia.Dialogs/ManagedFileChooserViewModel.cs

@ -8,6 +8,7 @@ using System.Runtime.InteropServices;
using Avalonia.Collections;
using Avalonia.Controls;
using Avalonia.Controls.Platform;
using Avalonia.Platform.Storage;
using Avalonia.Threading;
namespace Avalonia.Dialogs
@ -106,7 +107,7 @@ namespace Avalonia.Dialogs
QuickLinks.AddRange(quickSources.GetAllItems().Select(i => new ManagedFileChooserItemViewModel(i)));
}
public ManagedFileChooserViewModel(FileSystemDialog dialog, ManagedFileDialogOptions options)
public ManagedFileChooserViewModel(ManagedFileDialogOptions options)
{
_options = options;
_disposables = new CompositeDisposable();
@ -131,50 +132,63 @@ namespace Avalonia.Dialogs
CancelRequested += delegate { _disposables?.Dispose(); };
RefreshQuickLinks(quickSources);
SelectedItems.CollectionChanged += OnSelectionChangedAsync;
}
Title = dialog.Title ?? (
dialog is OpenFileDialog ? "Open file"
: dialog is SaveFileDialog ? "Save file"
: dialog is OpenFolderDialog ? "Select directory"
: throw new ArgumentException(nameof(dialog)));
var directory = dialog.Directory;
if (directory == null || !Directory.Exists(directory))
public ManagedFileChooserViewModel(FilePickerOpenOptions filePickerOpen, ManagedFileDialogOptions options)
: this(options)
{
Title = filePickerOpen.Title ?? "Open file";
if (filePickerOpen.FileTypeFilter?.Count > 0)
{
directory = Directory.GetCurrentDirectory();
Filters.AddRange(filePickerOpen.FileTypeFilter.Select(f => new ManagedFileChooserFilterViewModel(f)));
_selectedFilter = Filters[0];
ShowFilters = true;
}
if (dialog is FileDialog fd)
if (filePickerOpen.AllowMultiple)
{
if (fd.Filters?.Count > 0)
{
Filters.AddRange(fd.Filters.Select(f => new ManagedFileChooserFilterViewModel(f)));
_selectedFilter = Filters[0];
ShowFilters = true;
}
SelectionMode = SelectionMode.Multiple;
}
if (dialog is OpenFileDialog ofd)
{
if (ofd.AllowMultiple)
{
SelectionMode = SelectionMode.Multiple;
}
}
Navigate(filePickerOpen.SuggestedStartLocation);
}
public ManagedFileChooserViewModel(FilePickerSaveOptions filePickerSave, ManagedFileDialogOptions options)
: this(options)
{
Title = filePickerSave.Title ?? "Save file";
if (filePickerSave.FileTypeChoices?.Count > 0)
{
Filters.AddRange(filePickerSave.FileTypeChoices.Select(f => new ManagedFileChooserFilterViewModel(f)));
_selectedFilter = Filters[0];
ShowFilters = true;
}
_savingFile = true;
_defaultExtension = filePickerSave.DefaultExtension;
_overwritePrompt = filePickerSave.ShowOverwritePrompt ?? true;
FileName = filePickerSave.SuggestedFileName;
Navigate(filePickerSave.SuggestedStartLocation, FileName);
}
public ManagedFileChooserViewModel(FolderPickerOpenOptions folderPickerOpen, ManagedFileDialogOptions options)
: this(options)
{
Title = folderPickerOpen.Title ?? "Select directory";
_selectingDirectory = dialog is OpenFolderDialog;
_selectingDirectory = true;
if (dialog is SaveFileDialog sfd)
if (folderPickerOpen.AllowMultiple)
{
_savingFile = true;
_defaultExtension = sfd.DefaultExtension;
_overwritePrompt = sfd.ShowOverwritePrompt ?? true;
FileName = sfd.InitialFileName;
SelectionMode = SelectionMode.Multiple;
}
Navigate(directory, (dialog as FileDialog)?.InitialFileName);
SelectedItems.CollectionChanged += OnSelectionChangedAsync;
Navigate(folderPickerOpen.SuggestedStartLocation);
}
public void EnterPressed()
@ -247,6 +261,23 @@ namespace Avalonia.Dialogs
public void Refresh() => Navigate(Location);
public void Navigate(IStorageFolder path, string initialSelectionName = null)
{
string fullDirectoryPath;
if (path?.TryGetUri(out var fullDirectoryUri) == true
&& fullDirectoryUri.IsAbsoluteUri)
{
fullDirectoryPath = fullDirectoryUri.LocalPath;
}
else
{
fullDirectoryPath = Directory.GetCurrentDirectory();
}
Navigate(fullDirectoryPath, initialSelectionName);
}
public void Navigate(string path, string initialSelectionName = null)
{
if (!Directory.Exists(path))

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