protected override void OnKeyDown(KeyRoutedEventArgs e)
{
var ctrl = Window.Current.CoreWindow.GetKeyState(VirtualKey.Control);
var alt = Window.Current.CoreWindow.GetKeyState(VirtualKey.Menu);
var shift = Window.Current.CoreWindow.GetKeyState(VirtualKey.Shift);
if (ctrl.HasFlag(CoreVirtualKeyStates.Down) && !alt.HasFlag(CoreVirtualKeyStates.Down))
{
// Disable RichEditBox default shortcuts (Bold, Underline, Italic)
// https://docs.microsoft.com/en-us/windows/desktop/controls/about-rich-edit-controls
if (e.Key == VirtualKey.B || e.Key == VirtualKey.I || e.Key == VirtualKey.U ||
e.Key == VirtualKey.Number1 || e.Key == VirtualKey.Number2 ||
e.Key == VirtualKey.Number3 || e.Key == VirtualKey.Number4 ||
e.Key == VirtualKey.Number5 || e.Key == VirtualKey.Number6 || e.Key == VirtualKey.Number7 ||
e.Key == VirtualKey.Number8 || e.Key == VirtualKey.Number9 ||
e.Key == VirtualKey.L || e.Key == VirtualKey.R)
{
return;
}
if (e.Key == VirtualKey.Tab)
{
return; // ignoring tab key here since it is reserved for tab switch
}
if (e.Key == VirtualKey.W)
{
if (!shift.HasFlag(CoreVirtualKeyStates.Down))
{
OnSetClosingKeyDown?.Invoke(this, e);
}
return;
}
if (e.Key == VirtualKey.F)
{
if (shift.HasFlag(CoreVirtualKeyStates.Down))
{
OnFindAndReplaceButtonClicked?.Invoke(this, e);
}
else
{
OnFindButtonClicked?.Invoke(this, e);
}
return;
}
if (e.Key == VirtualKey.H)
{
OnFindAndReplaceButtonClicked?.Invoke(this, e);
return;
}
if (e.Key == VirtualKey.Z)
{
if (shift.HasFlag(CoreVirtualKeyStates.Down))
{
Document.Redo();
}
else
{
Document.Undo();
}
return;
}
if (e.Key == (VirtualKey)187 || e.Key == VirtualKey.Add) // +
{
SetDefaultTabStop(FontFamily, FontSize + 2);
FontSize += 2;
return;
}
if (e.Key == (VirtualKey)189 || e.Key == VirtualKey.Subtract) // -
{
if (FontSize > 4)
{
SetDefaultTabStop(FontFamily, FontSize - 2);
FontSize -= 2;
}
return;
}
if (e.Key == VirtualKey.Number0) // 0
{
SetDefaultTabStop(FontFamily, EditorSettingsService.EditorFontSize);
FontSize = EditorSettingsService.EditorFontSize;
return;
}
}
base.OnKeyDown(e);
}
private KeyboardCommandHandler GetKeyboardCommandHandler()
{
return(new KeyboardCommandHandler(new List <IKeyboardCommand <KeyRoutedEventArgs> >
{
new KeyboardShortcut <KeyRoutedEventArgs>(true, false, false, VirtualKey.W, (args) => OnSetClosingKeyDown?.Invoke(this, args)),
new KeyboardShortcut <KeyRoutedEventArgs>(true, false, false, VirtualKey.Z, (args) => Document.Undo()),
new KeyboardShortcut <KeyRoutedEventArgs>(true, false, true, VirtualKey.Z, (args) => Document.Redo()),
new KeyboardShortcut <KeyRoutedEventArgs>(false, true, false, VirtualKey.Z, (args) => TextWrapping = TextWrapping == TextWrapping.Wrap ? TextWrapping.NoWrap : TextWrapping.Wrap),
new KeyboardShortcut <KeyRoutedEventArgs>(true, false, false, VirtualKey.Add, (args) => IncreaseFontSize(2)),
new KeyboardShortcut <KeyRoutedEventArgs>(true, false, false, (VirtualKey)187, (args) => IncreaseFontSize(2)), // (VirtualKey)187: =
new KeyboardShortcut <KeyRoutedEventArgs>(true, false, false, VirtualKey.Subtract, (args) => DecreaseFontSize(2)),
new KeyboardShortcut <KeyRoutedEventArgs>(true, false, false, (VirtualKey)189, (args) => DecreaseFontSize(2)), // (VirtualKey)189: -
new KeyboardShortcut <KeyRoutedEventArgs>(true, false, false, VirtualKey.Number0, (args) => ResetFontSizeToDefault()),
new KeyboardShortcut <KeyRoutedEventArgs>(true, false, false, VirtualKey.NumberPad0, (args) => ResetFontSizeToDefault()),
}));
}
