mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-18 06:38:42 +02:00
165 lines
5.6 KiB
C#
165 lines
5.6 KiB
C#
using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Input;
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using Avalonia.Threading;
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using Ryujinx.Ava.Input;
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using Ryujinx.Ava.UI.Controls;
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using Ryujinx.Ava.UI.Helpers;
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using Ryujinx.Ava.UI.Windows;
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using Ryujinx.HLE.Ui;
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using System;
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using System.Threading;
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using HidKey = Ryujinx.Common.Configuration.Hid.Key;
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namespace Ryujinx.Ava.UI.Applet
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{
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class AvaloniaDynamicTextInputHandler : IDynamicTextInputHandler
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{
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private MainWindow _parent;
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private OffscreenTextBox _hiddenTextBox;
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private bool _canProcessInput;
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private IDisposable _textChangedSubscription;
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private IDisposable _selectionStartChangedSubscription;
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private IDisposable _selectionEndtextChangedSubscription;
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public AvaloniaDynamicTextInputHandler(MainWindow parent)
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{
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_parent = parent;
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(_parent.InputManager.KeyboardDriver as AvaloniaKeyboardDriver).KeyPressed += AvaloniaDynamicTextInputHandler_KeyPressed;
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(_parent.InputManager.KeyboardDriver as AvaloniaKeyboardDriver).KeyRelease += AvaloniaDynamicTextInputHandler_KeyRelease;
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(_parent.InputManager.KeyboardDriver as AvaloniaKeyboardDriver).TextInput += AvaloniaDynamicTextInputHandler_TextInput;
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_hiddenTextBox = _parent.HiddenTextBox;
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Dispatcher.UIThread.Post(() =>
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{
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_textChangedSubscription = _hiddenTextBox.GetObservable(TextBox.TextProperty).Subscribe(TextChanged);
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_selectionStartChangedSubscription = _hiddenTextBox.GetObservable(TextBox.SelectionStartProperty).Subscribe(SelectionChanged);
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_selectionEndtextChangedSubscription = _hiddenTextBox.GetObservable(TextBox.SelectionEndProperty).Subscribe(SelectionChanged);
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});
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}
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private void TextChanged(string text)
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{
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TextChangedEvent?.Invoke(text ?? string.Empty, _hiddenTextBox.SelectionStart, _hiddenTextBox.SelectionEnd, true);
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}
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private void SelectionChanged(int selection)
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{
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if (_hiddenTextBox.SelectionEnd < _hiddenTextBox.SelectionStart)
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{
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_hiddenTextBox.SelectionStart = _hiddenTextBox.SelectionEnd;
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}
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TextChangedEvent?.Invoke(_hiddenTextBox.Text ?? string.Empty, _hiddenTextBox.SelectionStart, _hiddenTextBox.SelectionEnd, true);
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}
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private void AvaloniaDynamicTextInputHandler_TextInput(object sender, string text)
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{
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Dispatcher.UIThread.InvokeAsync(() =>
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{
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if (_canProcessInput)
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{
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_hiddenTextBox.SendText(text);
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}
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});
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}
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private void AvaloniaDynamicTextInputHandler_KeyRelease(object sender, KeyEventArgs e)
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{
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var key = (HidKey)AvaloniaKeyboardMappingHelper.ToInputKey(e.Key);
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if (!(KeyReleasedEvent?.Invoke(key)).GetValueOrDefault(true))
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{
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return;
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}
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e.RoutedEvent = _hiddenTextBox.GetKeyUpRoutedEvent();
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Dispatcher.UIThread.InvokeAsync(() =>
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{
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if (_canProcessInput)
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{
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_hiddenTextBox.SendKeyUpEvent(e);
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}
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});
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}
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private void AvaloniaDynamicTextInputHandler_KeyPressed(object sender, KeyEventArgs e)
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{
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var key = (HidKey)AvaloniaKeyboardMappingHelper.ToInputKey(e.Key);
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if (!(KeyPressedEvent?.Invoke(key)).GetValueOrDefault(true))
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{
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return;
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}
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e.RoutedEvent = _hiddenTextBox.GetKeyUpRoutedEvent();
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Dispatcher.UIThread.InvokeAsync(() =>
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{
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if (_canProcessInput)
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{
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_hiddenTextBox.SendKeyDownEvent(e);
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}
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});
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}
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public bool TextProcessingEnabled
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{
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get
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{
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return Volatile.Read(ref _canProcessInput);
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}
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set
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{
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Volatile.Write(ref _canProcessInput, value);
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}
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}
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public event DynamicTextChangedHandler TextChangedEvent;
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public event KeyPressedHandler KeyPressedEvent;
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public event KeyReleasedHandler KeyReleasedEvent;
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public void Dispose()
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{
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(_parent.InputManager.KeyboardDriver as AvaloniaKeyboardDriver).KeyPressed -= AvaloniaDynamicTextInputHandler_KeyPressed;
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(_parent.InputManager.KeyboardDriver as AvaloniaKeyboardDriver).KeyRelease -= AvaloniaDynamicTextInputHandler_KeyRelease;
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(_parent.InputManager.KeyboardDriver as AvaloniaKeyboardDriver).TextInput -= AvaloniaDynamicTextInputHandler_TextInput;
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_textChangedSubscription?.Dispose();
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_selectionStartChangedSubscription?.Dispose();
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_selectionEndtextChangedSubscription?.Dispose();
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Dispatcher.UIThread.Post(() =>
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{
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_hiddenTextBox.Clear();
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_parent.ViewModel.RendererHostControl.Focus();
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_parent = null;
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});
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}
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public void SetText(string text, int cursorBegin)
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{
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Dispatcher.UIThread.Post(() =>
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{
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_hiddenTextBox.Text = text;
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_hiddenTextBox.CaretIndex = cursorBegin;
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});
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}
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public void SetText(string text, int cursorBegin, int cursorEnd)
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{
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Dispatcher.UIThread.Post(() =>
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{
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_hiddenTextBox.Text = text;
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_hiddenTextBox.SelectionStart = cursorBegin;
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_hiddenTextBox.SelectionEnd = cursorEnd;
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});
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}
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}
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}
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