Benedikt Stebner
3 years ago
11 changed files with 321 additions and 11 deletions
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//
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// AvnTextInputMethod.h
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// Avalonia.Native.OSX
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//
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// Created by Benedikt Stebner on 22.11.22.
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// Copyright © 2022 Avalonia. All rights reserved.
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//
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#ifndef AvnTextInputMethod_h |
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#define AvnTextInputMethod_h |
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#import <Foundation/Foundation.h> |
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#include "com.h" |
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#include "comimpl.h" |
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#include "avalonia-native.h" |
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#import "AvnTextInputMethodDelegate.h" |
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class AvnTextInputMethod: public virtual ComObject, public virtual IAvnTextInputMethod{ |
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private: |
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id<AvnTextInputMethodDelegate> _inputMethodDelegate; |
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public: |
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FORWARD_IUNKNOWN() |
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BEGIN_INTERFACE_MAP() |
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INTERFACE_MAP_ENTRY(IAvnTextInputMethod, IID_IAvnTextInputMethod) |
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END_INTERFACE_MAP() |
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virtual ~AvnTextInputMethod(); |
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AvnTextInputMethod(id<AvnTextInputMethodDelegate> inputMethodDelegate); |
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bool IsActive (); |
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HRESULT SetClient (IAvnTextInputMethodClient* client) override; |
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virtual void Reset () override; |
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virtual void SetCursorRect (AvnRect rect) override; |
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virtual void SetSurroundingText (char* text, int anchorOffset, int cursorOffset) override; |
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public: |
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ComPtr<IAvnTextInputMethodClient> Client; |
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}; |
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#endif /* AvnTextInputMethod_h */ |
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// |
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// AvnTextInputMethod.mm |
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// Avalonia.Native.OSX |
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// |
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// Created by Benedikt Stebner on 23.11.22. |
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// Copyright © 2022 Avalonia. All rights reserved. |
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// |
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#include "AvnTextInputMethod.h" |
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AvnTextInputMethod::~AvnTextInputMethod() { |
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Client = nullptr; |
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} |
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AvnTextInputMethod::AvnTextInputMethod(id<AvnTextInputMethodDelegate> inputMethodDelegate) { |
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_inputMethodDelegate = inputMethodDelegate; |
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} |
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bool AvnTextInputMethod::IsActive() { |
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return Client != nullptr; |
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} |
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HRESULT AvnTextInputMethod::SetClient(IAvnTextInputMethodClient *client) { |
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START_COM_CALL; |
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Client = client; |
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return S_OK; |
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} |
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void AvnTextInputMethod::Reset() { |
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} |
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void AvnTextInputMethod::SetSurroundingText(char* text, int anchorOffset, int cursorOffset) { |
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[_inputMethodDelegate setText:[NSString stringWithUTF8String:text]]; |
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[_inputMethodDelegate setSelection: anchorOffset : cursorOffset]; |
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} |
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void AvnTextInputMethod::SetCursorRect(AvnRect rect) { |
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[_inputMethodDelegate setCursorRect: rect]; |
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} |
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//
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// AvnTextInputMethodHost.h
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// Avalonia.Native.OSX
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//
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// Created by Benedikt Stebner on 24.11.22.
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// Copyright © 2022 Avalonia. All rights reserved.
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//
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#ifndef AvnTextInputMethodHost_h |
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#define AvnTextInputMethodHost_h |
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@protocol AvnTextInputMethodDelegate |
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@required |
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-(void) setText:(NSString* _Nonnull) text; |
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-(void) setCursorRect:(AvnRect) cursorRect; |
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-(void) setSelection: (int) start : (int) end; |
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@end |
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#endif /* AvnTextInputMethodHost_h */ |
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@ -0,0 +1,118 @@ |
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using System; |
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using Avalonia.Input.TextInput; |
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using Avalonia.Native.Interop; |
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namespace Avalonia.Native |
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{ |
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internal class AvaloniaNativeTextInputMethod : ITextInputMethodImpl, IDisposable |
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{ |
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private ITextInputMethodClient _client; |
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private IAvnTextInputMethodClient _nativeClient; |
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private readonly IAvnTextInputMethod _inputMethod; |
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public AvaloniaNativeTextInputMethod(IAvnWindowBase nativeWindow) |
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{ |
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_inputMethod = nativeWindow.InputMethod; |
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} |
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public void Dispose() |
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{ |
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_inputMethod.Dispose(); |
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_nativeClient?.Dispose(); |
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} |
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public void Reset() |
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{ |
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_inputMethod.Reset(); |
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} |
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public void SetClient(ITextInputMethodClient client) |
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{ |
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if (_client is { SupportsSurroundingText: true }) |
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{ |
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_client.SurroundingTextChanged -= OnSurroundingTextChanged; |
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_client.CursorRectangleChanged -= OnCursorRectangleChanged; |
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_nativeClient?.Dispose(); |
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} |
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_nativeClient = null; |
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_client = client; |
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if (client != null) |
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{ |
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_nativeClient = new AvnTextInputMethodClient(client); |
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OnSurroundingTextChanged(this, EventArgs.Empty); |
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OnCursorRectangleChanged(this, EventArgs.Empty); |
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_client.SurroundingTextChanged += OnSurroundingTextChanged; |
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_client.CursorRectangleChanged += OnCursorRectangleChanged; |
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} |
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_inputMethod.SetClient(_nativeClient); |
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} |
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private void OnCursorRectangleChanged(object sender, EventArgs e) |
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{ |
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if (_client == null) |
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{ |
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return; |
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} |
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_inputMethod.SetCursorRect(_client.CursorRectangle.ToAvnRect()); |
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} |
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private void OnSurroundingTextChanged(object sender, EventArgs e) |
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{ |
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if (_client == null) |
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{ |
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return; |
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} |
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var surroundingText = _client.SurroundingText; |
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_inputMethod.SetSurroundingText( |
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surroundingText.Text, |
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surroundingText.AnchorOffset, |
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surroundingText.CursorOffset |
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); |
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} |
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public void SetCursorRect(Rect rect) |
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{ |
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_inputMethod.SetCursorRect(rect.ToAvnRect()); |
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} |
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public void SetOptions(TextInputOptions options) |
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{ |
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} |
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private class AvnTextInputMethodClient : NativeCallbackBase, IAvnTextInputMethodClient |
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{ |
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private readonly ITextInputMethodClient _client; |
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public AvnTextInputMethodClient(ITextInputMethodClient client) |
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{ |
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_client = client; |
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} |
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public void SetPreeditText(string preeditText) |
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{ |
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if (_client.SupportsPreedit) |
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{ |
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_client.SetPreeditText(preeditText); |
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} |
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} |
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public void SelectInSurroundingText(int start, int end) |
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{ |
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if (_client.SupportsSurroundingText) |
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{ |
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_client.SelectInSurroundingText(start, end); |
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} |
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} |
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} |
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} |
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} |
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