OronDF343
10 years ago
2 changed files with 13 additions and 601 deletions
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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using System.Reactive.Disposables; |
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using System.Runtime.InteropServices; |
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using Gdk; |
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using Avalonia.Controls; |
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using Avalonia.Input.Raw; |
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using Avalonia.Platform; |
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using Avalonia.Input; |
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using Avalonia.Threading; |
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using Action = System.Action; |
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using WindowEdge = Avalonia.Controls.WindowEdge; |
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namespace Avalonia.Gtk |
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{ |
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using Gtk = global::Gtk; |
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public class WindowImpl : Gtk.Window, IWindowImpl, IPlatformHandle |
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{ |
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private IInputRoot _inputRoot; |
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private Size _lastClientSize; |
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private Gtk.IMContext _imContext; |
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private uint _lastKeyEventTimestamp; |
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private static readonly Gdk.Cursor DefaultCursor = new Gdk.Cursor(CursorType.LeftPtr); |
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public WindowImpl() |
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: base(Gtk.WindowType.Toplevel) |
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{ |
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DefaultSize = new Gdk.Size(900, 480); |
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Init(); |
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} |
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public WindowImpl(Gtk.WindowType type) |
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: base(type) |
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{ |
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Init(); |
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} |
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private void Init() |
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{ |
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Events = EventMask.PointerMotionMask | |
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EventMask.ButtonPressMask | |
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EventMask.ButtonReleaseMask; |
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_imContext = new Gtk.IMMulticontext(); |
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_imContext.Commit += ImContext_Commit; |
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DoubleBuffered = false; |
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Realize(); |
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_lastClientSize = ClientSize; |
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} |
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protected override void OnRealized () |
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{ |
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base.OnRealized (); |
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_imContext.ClientWindow = this.GdkWindow; |
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} |
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public Size ClientSize |
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{ |
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get |
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{ |
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int width; |
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int height; |
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GetSize(out width, out height); |
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return new Size(width, height); |
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} |
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set |
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{ |
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Resize((int)value.Width, (int)value.Height); |
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} |
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} |
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public Size MaxClientSize |
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{ |
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get |
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{ |
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// TODO: This should take into account things such as taskbar and window border
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// thickness etc.
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return new Size(Screen.Width, Screen.Height); |
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} |
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} |
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public Avalonia.Controls.WindowState WindowState |
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{ |
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get |
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{ |
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switch (GdkWindow.State) |
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{ |
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case Gdk.WindowState.Iconified: |
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return Controls.WindowState.Minimized; |
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case Gdk.WindowState.Maximized: |
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return Controls.WindowState.Maximized; |
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default: |
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return Controls.WindowState.Normal; |
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} |
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} |
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set |
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{ |
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switch (value) |
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{ |
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case Controls.WindowState.Minimized: |
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GdkWindow.Iconify(); |
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break; |
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case Controls.WindowState.Maximized: |
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GdkWindow.Maximize(); |
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break; |
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case Controls.WindowState.Normal: |
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GdkWindow.Deiconify(); |
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GdkWindow.Unmaximize(); |
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break; |
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} |
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} |
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} |
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public double Scaling => 1; |
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IPlatformHandle ITopLevelImpl.Handle => this; |
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[DllImport("libgdk-win32-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)] |
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extern static IntPtr gdk_win32_drawable_get_handle(IntPtr gdkWindow); |
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[DllImport("libgtk-x11-2.0.so.0", CallingConvention = CallingConvention.Cdecl)] |
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extern static IntPtr gdk_x11_drawable_get_xid(IntPtr gdkWindow); |
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[DllImport("libgdk-quartz-2.0-0.dylib", CallingConvention = CallingConvention.Cdecl)] |
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extern static IntPtr gdk_quartz_window_get_nswindow(IntPtr gdkWindow); |
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IntPtr _nativeWindow; |
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IntPtr GetNativeWindow() |
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{ |
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IntPtr h = GdkWindow.Handle; |
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if (_nativeWindow != IntPtr.Zero) |
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return _nativeWindow; |
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//Try whatever backend that works
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try |
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{ |
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return _nativeWindow = gdk_quartz_window_get_nswindow(h); |
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} |
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catch |
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{ |
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} |
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try |
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{ |
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return _nativeWindow = gdk_x11_drawable_get_xid(h); |
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} |
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catch |
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{ |
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} |
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return _nativeWindow = gdk_win32_drawable_get_handle(h); |
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} |
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IntPtr IPlatformHandle.Handle => GetNativeWindow(); |
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public string HandleDescriptor => "HWND"; |
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public Action Activated { get; set; } |
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public Action Closed { get; set; } |
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public Action Deactivated { get; set; } |
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public Action<RawInputEventArgs> Input { get; set; } |
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public Action<Rect> Paint { get; set; } |
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public Action<Size> Resized { get; set; } |
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public Action<double> ScalingChanged { get; set; } |
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public IPopupImpl CreatePopup() |
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{ |
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return new PopupImpl(); |
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} |
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public void Invalidate(Rect rect) |
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{ |
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if (base.GdkWindow != null) |
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base.GdkWindow.InvalidateRect( |
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new Rectangle((int) rect.X, (int) rect.Y, (int) rect.Width, (int) rect.Height), true); |
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} |
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public Point PointToClient(Point point) |
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{ |
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int x, y; |
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GdkWindow.GetDeskrelativeOrigin(out x, out y); |
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return new Point(point.X - x, point.Y - y); |
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} |
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public Point PointToScreen(Point point) |
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{ |
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int x, y; |
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GdkWindow.GetDeskrelativeOrigin(out x, out y); |
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return new Point(point.X + x, point.Y + y); |
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} |
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public void SetInputRoot(IInputRoot inputRoot) |
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{ |
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_inputRoot = inputRoot; |
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} |
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public void SetTitle(string title) |
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{ |
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Title = title; |
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} |
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public void SetCursor(IPlatformHandle cursor) |
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{ |
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GdkWindow.Cursor = cursor != null ? new Gdk.Cursor(cursor.Handle) : DefaultCursor; |
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} |
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public void BeginMoveDrag() |
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{ |
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int x, y; |
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ModifierType mod; |
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Screen.RootWindow.GetPointer(out x, out y, out mod); |
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BeginMoveDrag(1, x, y, 0); |
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} |
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public void BeginResizeDrag(WindowEdge edge) |
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{ |
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int x, y; |
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ModifierType mod; |
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Screen.RootWindow.GetPointer(out x, out y, out mod); |
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BeginResizeDrag((Gdk.WindowEdge) (int) edge, 1, x, y, 0); |
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} |
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public Point Position |
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{ |
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get |
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{ |
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int x, y; |
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GetPosition(out x, out y); |
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return new Point(x, y); |
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} |
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set |
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{ |
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Move((int)value.X, (int)value.Y); |
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} |
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} |
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public IDisposable ShowDialog() |
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{ |
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Modal = true; |
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Show(); |
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return Disposable.Empty; |
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} |
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public void SetSystemDecorations(bool enabled) => Decorated = enabled; |
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void ITopLevelImpl.Activate() |
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{ |
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Activate(); |
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} |
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private static InputModifiers GetModifierKeys(ModifierType state) |
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{ |
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var rv = InputModifiers.None; |
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if (state.HasFlag(ModifierType.ControlMask)) |
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rv |= InputModifiers.Control; |
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if (state.HasFlag(ModifierType.ShiftMask)) |
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rv |= InputModifiers.Shift; |
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if (state.HasFlag(ModifierType.Mod1Mask)) |
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rv |= InputModifiers.Control; |
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if(state.HasFlag(ModifierType.Button1Mask)) |
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rv |= InputModifiers.LeftMouseButton; |
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if (state.HasFlag(ModifierType.Button2Mask)) |
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rv |= InputModifiers.RightMouseButton; |
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if (state.HasFlag(ModifierType.Button3Mask)) |
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rv |= InputModifiers.MiddleMouseButton; |
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return rv; |
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} |
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protected override bool OnButtonPressEvent(EventButton evnt) |
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{ |
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var e = new RawMouseEventArgs( |
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GtkMouseDevice.Instance, |
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evnt.Time, |
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_inputRoot, |
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evnt.Button == 1 |
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? RawMouseEventType.LeftButtonDown |
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: evnt.Button == 3 ? RawMouseEventType.RightButtonDown : RawMouseEventType.MiddleButtonDown, |
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new Point(evnt.X, evnt.Y), GetModifierKeys(evnt.State)); |
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Input(e); |
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return true; |
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} |
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protected override bool OnScrollEvent(EventScroll evnt) |
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{ |
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double step = 1; |
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var delta = new Vector(); |
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if (evnt.Direction == ScrollDirection.Down) |
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delta = new Vector(0, -step); |
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else if (evnt.Direction == ScrollDirection.Up) |
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delta = new Vector(0, step); |
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else if (evnt.Direction == ScrollDirection.Right) |
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delta = new Vector(-step, 0); |
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if (evnt.Direction == ScrollDirection.Left) |
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delta = new Vector(step, 0); |
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var e = new RawMouseWheelEventArgs(GtkMouseDevice.Instance, evnt.Time, _inputRoot, new Point(evnt.X, evnt.Y), delta, GetModifierKeys(evnt.State)); |
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Input(e); |
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return base.OnScrollEvent(evnt); |
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} |
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protected override bool OnButtonReleaseEvent(EventButton evnt) |
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{ |
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var e = new RawMouseEventArgs( |
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GtkMouseDevice.Instance, |
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evnt.Time, |
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_inputRoot, |
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evnt.Button == 1 |
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? RawMouseEventType.LeftButtonUp |
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: evnt.Button == 3 ? RawMouseEventType.RightButtonUp : RawMouseEventType.MiddleButtonUp, |
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new Point(evnt.X, evnt.Y), GetModifierKeys(evnt.State)); |
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Input(e); |
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return true; |
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} |
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protected override bool OnConfigureEvent(EventConfigure evnt) |
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{ |
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var newSize = new Size(evnt.Width, evnt.Height); |
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if (newSize != _lastClientSize) |
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{ |
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Resized(newSize); |
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_lastClientSize = newSize; |
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} |
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return true; |
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} |
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protected override void OnDestroyed() |
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{ |
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Closed(); |
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} |
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private bool ProcessKeyEvent(EventKey evnt) |
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{ |
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_lastKeyEventTimestamp = evnt.Time; |
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if (_imContext.FilterKeypress(evnt)) |
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return true; |
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var e = new RawKeyEventArgs( |
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GtkKeyboardDevice.Instance, |
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evnt.Time, |
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evnt.Type == EventType.KeyPress ? RawKeyEventType.KeyDown : RawKeyEventType.KeyUp, |
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GtkKeyboardDevice.ConvertKey(evnt.Key), GetModifierKeys(evnt.State)); |
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Input(e); |
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return true; |
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} |
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protected override bool OnKeyPressEvent(EventKey evnt) => ProcessKeyEvent(evnt); |
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protected override bool OnKeyReleaseEvent(EventKey evnt) => ProcessKeyEvent(evnt); |
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private void ImContext_Commit(object o, Gtk.CommitArgs args) |
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{ |
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Input(new RawTextInputEventArgs(GtkKeyboardDevice.Instance, _lastKeyEventTimestamp, args.Str)); |
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} |
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protected override bool OnExposeEvent(EventExpose evnt) |
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{ |
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Paint(evnt.Area.ToAvalonia()); |
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return true; |
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} |
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protected override void OnFocusActivated() |
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{ |
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Activated(); |
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} |
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protected override bool OnMotionNotifyEvent(EventMotion evnt) |
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{ |
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var position = new Point(evnt.X, evnt.Y); |
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GtkMouseDevice.Instance.SetClientPosition(position); |
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var e = new RawMouseEventArgs( |
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GtkMouseDevice.Instance, |
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evnt.Time, |
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_inputRoot, |
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RawMouseEventType.Move, |
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position, GetModifierKeys(evnt.State)); |
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Input(e); |
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return true; |
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} |
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public void SetIcon(IWindowIconImpl icon) |
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{ |
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Icon = ((IconImpl)icon).Pixbuf; |
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} |
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} |
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} |
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