private void PostProcessInput(object sender, ProcessInputEventArgs e)
{
// PreviewKeyDown --> KeyDown
if (e.StagingItem.Input.RoutedEvent == Keyboard.PreviewKeyDownEvent)
{
CheckForDisconnectedFocus();
if (!e.StagingItem.Input.Handled)
{
KeyEventArgs previewKeyDown = (KeyEventArgs)e.StagingItem.Input;
// Dig out the real key.
bool isSystemKey = false;
bool isImeProcessed = false;
bool isDeadCharProcessed = false;
Key key = previewKeyDown.Key;
if (key == Key.System)
{
isSystemKey = true;
key = previewKeyDown.RealKey;
}
else if (key == Key.ImeProcessed)
{
isImeProcessed = true;
key = previewKeyDown.RealKey;
}
else if (key == Key.DeadCharProcessed)
{
isDeadCharProcessed = true;
key = previewKeyDown.RealKey;
}
KeyEventArgs keyDown = new KeyEventArgs(this, previewKeyDown.UnsafeInputSource, previewKeyDown.Timestamp, key);
keyDown.SetRepeat(previewKeyDown.IsRepeat);
// Mark the new event as SystemKey as appropriate.
if (isSystemKey)
{
keyDown.MarkSystem();
}
else if (isImeProcessed)
{
// Mark the new event as ImeProcessed as appropriate.
keyDown.MarkImeProcessed();
}
else if (isDeadCharProcessed)
{
keyDown.MarkDeadCharProcessed();
}
keyDown.RoutedEvent = Keyboard.KeyDownEvent;
keyDown.ScanCode = previewKeyDown.ScanCode;
keyDown.IsExtendedKey = previewKeyDown.IsExtendedKey;
e.PushInput(keyDown, e.StagingItem);
}
}
// PreviewKeyUp --> KeyUp
if (e.StagingItem.Input.RoutedEvent == Keyboard.PreviewKeyUpEvent)
{
CheckForDisconnectedFocus();
if (!e.StagingItem.Input.Handled)
{
KeyEventArgs previewKeyUp = (KeyEventArgs)e.StagingItem.Input;
// Dig out the real key.
bool isSystemKey = false;
bool isImeProcessed = false;
bool isDeadCharProcessed = false;
Key key = previewKeyUp.Key;
if (key == Key.System)
{
isSystemKey = true;
key = previewKeyUp.RealKey;
}
else if (key == Key.ImeProcessed)
{
isImeProcessed = true;
key = previewKeyUp.RealKey;
}
else if (key == Key.DeadCharProcessed)
{
isDeadCharProcessed = true;
key = previewKeyUp.RealKey;
}
KeyEventArgs keyUp = new KeyEventArgs(this, previewKeyUp.UnsafeInputSource, previewKeyUp.Timestamp, key);
// Mark the new event as SystemKey as appropriate.
if (isSystemKey)
{
keyUp.MarkSystem();
}
else if (isImeProcessed)
{
// Mark the new event as ImeProcessed as appropriate.
keyUp.MarkImeProcessed();
}
else if (isDeadCharProcessed)
{
keyUp.MarkDeadCharProcessed();
}
keyUp.RoutedEvent = Keyboard.KeyUpEvent;
keyUp.ScanCode = previewKeyUp.ScanCode;
keyUp.IsExtendedKey = previewKeyUp.IsExtendedKey;
e.PushInput(keyUp, e.StagingItem);
}
}
RawKeyboardInputReport keyboardInput = ExtractRawKeyboardInputReport(e, InputManager.InputReportEvent);
if (keyboardInput != null)
{
CheckForDisconnectedFocus();
if (!e.StagingItem.Input.Handled)
{
// In general, this is where we promote the non-redundant
// reported actions to our premier events.
RawKeyboardActions actions = GetNonRedundantActions(e);
// Raw --> PreviewKeyDown
if ((actions & RawKeyboardActions.KeyDown) == RawKeyboardActions.KeyDown)
{
Key key = (Key)e.StagingItem.GetData(_tagKey);
if (key != Key.None)
{
KeyEventArgs previewKeyDown = new KeyEventArgs(this, keyboardInput.InputSource, keyboardInput.Timestamp, key);
ScanCode scanCode = (ScanCode)e.StagingItem.GetData(_tagScanCode);
previewKeyDown.ScanCode = scanCode.Code;
previewKeyDown.IsExtendedKey = scanCode.IsExtended;
if (keyboardInput.IsSystemKey)
{
previewKeyDown.MarkSystem();
}
previewKeyDown.RoutedEvent = Keyboard.PreviewKeyDownEvent;
e.PushInput(previewKeyDown, e.StagingItem);
}
}
// Raw --> PreviewKeyUp
if ((actions & RawKeyboardActions.KeyUp) == RawKeyboardActions.KeyUp)
{
Key key = (Key)e.StagingItem.GetData(_tagKey);
if (key != Key.None)
{
KeyEventArgs previewKeyUp = new KeyEventArgs(this, keyboardInput.InputSource, keyboardInput.Timestamp, key);
ScanCode scanCode = (ScanCode)e.StagingItem.GetData(_tagScanCode);
previewKeyUp.ScanCode = scanCode.Code;
previewKeyUp.IsExtendedKey = scanCode.IsExtended;
if (keyboardInput.IsSystemKey)
{
previewKeyUp.MarkSystem();
}
previewKeyUp.RoutedEvent = Keyboard.PreviewKeyUpEvent;
e.PushInput(previewKeyUp, e.StagingItem);
}
}
}
// Deactivate
if ((keyboardInput.Actions & RawKeyboardActions.Deactivate) == RawKeyboardActions.Deactivate)
{
if (IsActive)
{
_activeSource = null;
// Even if handled, a keyboard deactivate results in a lost focus.
ChangeFocus(null, e.StagingItem.Input.Timestamp);
}
}
}
}
private void PostProcessInput(object sender, ProcessInputEventArgs e)
{
// PreviewKeyDown --> KeyDown
if(e.StagingItem.Input.RoutedEvent == Keyboard.PreviewKeyDownEvent)
{
CheckForDisconnectedFocus();
if(!e.StagingItem.Input.Handled)
{
KeyEventArgs previewKeyDown = (KeyEventArgs) e.StagingItem.Input;
// Dig out the real key.
bool isSystemKey = false;
bool isImeProcessed = false;
bool isDeadCharProcessed = false;
Key key = previewKeyDown.Key;
if (key == Key.System)
{
isSystemKey = true;
key = previewKeyDown.RealKey;
}
else if (key == Key.ImeProcessed)
{
isImeProcessed = true;
key = previewKeyDown.RealKey;
}
else if (key == Key.DeadCharProcessed)
{
isDeadCharProcessed = true;
key = previewKeyDown.RealKey;
}
KeyEventArgs keyDown = new KeyEventArgs(this, previewKeyDown.UnsafeInputSource, previewKeyDown.Timestamp, key);
keyDown.SetRepeat( previewKeyDown.IsRepeat );
// Mark the new event as SystemKey as appropriate.
if (isSystemKey)
{
keyDown.MarkSystem();
}
else if (isImeProcessed)
{
// Mark the new event as ImeProcessed as appropriate.
keyDown.MarkImeProcessed();
}
else if (isDeadCharProcessed)
{
keyDown.MarkDeadCharProcessed();
}
keyDown.RoutedEvent=Keyboard.KeyDownEvent;
keyDown.ScanCode = previewKeyDown.ScanCode;
keyDown.IsExtendedKey = previewKeyDown.IsExtendedKey;
e.PushInput(keyDown, e.StagingItem);
}
}
// PreviewKeyUp --> KeyUp
if(e.StagingItem.Input.RoutedEvent == Keyboard.PreviewKeyUpEvent)
{
CheckForDisconnectedFocus();
if(!e.StagingItem.Input.Handled)
{
KeyEventArgs previewKeyUp = (KeyEventArgs) e.StagingItem.Input;
// Dig out the real key.
bool isSystemKey = false;
bool isImeProcessed = false;
bool isDeadCharProcessed = false;
Key key = previewKeyUp.Key;
if (key == Key.System)
{
isSystemKey = true;
key = previewKeyUp.RealKey;
}
else if (key == Key.ImeProcessed)
{
isImeProcessed = true;
key = previewKeyUp.RealKey;
}
else if(key == Key.DeadCharProcessed)
{
isDeadCharProcessed = true;
key = previewKeyUp.RealKey;
}
KeyEventArgs keyUp = new KeyEventArgs(this, previewKeyUp.UnsafeInputSource, previewKeyUp.Timestamp, key);
// Mark the new event as SystemKey as appropriate.
if (isSystemKey)
{
keyUp.MarkSystem();
}
else if (isImeProcessed)
{
// Mark the new event as ImeProcessed as appropriate.
keyUp.MarkImeProcessed();
}
else if (isDeadCharProcessed)
{
keyUp.MarkDeadCharProcessed();
}
keyUp.RoutedEvent=Keyboard.KeyUpEvent;
keyUp.ScanCode = previewKeyUp.ScanCode;
keyUp.IsExtendedKey = previewKeyUp.IsExtendedKey;
e.PushInput(keyUp, e.StagingItem);
}
}
RawKeyboardInputReport keyboardInput = ExtractRawKeyboardInputReport(e, InputManager.InputReportEvent);
if(keyboardInput != null)
{
CheckForDisconnectedFocus();
if(!e.StagingItem.Input.Handled)
{
// In general, this is where we promote the non-redundant
// reported actions to our premier events.
RawKeyboardActions actions = GetNonRedundantActions(e);
// Raw --> PreviewKeyDown
if((actions & RawKeyboardActions.KeyDown) == RawKeyboardActions.KeyDown)
{
Key key = (Key) e.StagingItem.GetData(_tagKey);
if(key != Key.None)
{
KeyEventArgs previewKeyDown = new KeyEventArgs(this, keyboardInput.InputSource, keyboardInput.Timestamp, key);
ScanCode scanCode = (ScanCode)e.StagingItem.GetData(_tagScanCode);
previewKeyDown.ScanCode = scanCode.Code;
previewKeyDown.IsExtendedKey = scanCode.IsExtended;
if (keyboardInput.IsSystemKey)
{
previewKeyDown.MarkSystem();
}
previewKeyDown.RoutedEvent=Keyboard.PreviewKeyDownEvent;
e.PushInput(previewKeyDown, e.StagingItem);
}
}
// Raw --> PreviewKeyUp
if((actions & RawKeyboardActions.KeyUp) == RawKeyboardActions.KeyUp)
{
Key key = (Key) e.StagingItem.GetData(_tagKey);
if(key != Key.None)
{
KeyEventArgs previewKeyUp = new KeyEventArgs(this, keyboardInput.InputSource, keyboardInput.Timestamp, key);
ScanCode scanCode = (ScanCode)e.StagingItem.GetData(_tagScanCode);
previewKeyUp.ScanCode = scanCode.Code;
previewKeyUp.IsExtendedKey = scanCode.IsExtended;
if (keyboardInput.IsSystemKey)
{
previewKeyUp.MarkSystem();
}
previewKeyUp.RoutedEvent=Keyboard.PreviewKeyUpEvent;
e.PushInput(previewKeyUp, e.StagingItem);
}
}
}
// Deactivate
if((keyboardInput.Actions & RawKeyboardActions.Deactivate) == RawKeyboardActions.Deactivate)
{
if(IsActive)
{
_activeSource = null;
// Even if handled, a keyboard deactivate results in a lost focus.
ChangeFocus(null, e.StagingItem.Input.Timestamp);
}
}
}
}
private void PreProcessInput(object sender, PreProcessInputEventArgs e)
{
// KeyDown --> Alt Numpad
//
// We eat Alt-NumPat keys and handle them by ourselves. Avalon has its own acceralator handler
// and it may have a corrision with Win32k's AltNumPad handling. As a result, the AltNumPad cache
// in Win32k's ToUnicodeEx() could be broken.
//
if (e.StagingItem.Input.RoutedEvent == Keyboard.KeyDownEvent)
{
KeyEventArgs keyArgs = (KeyEventArgs)e.StagingItem.Input;
if (!keyArgs.Handled)
{
if (!_altNumpadEntryMode)
{
EnterAltNumpadEntryMode(keyArgs.RealKey);
}
else
{
if (HandleAltNumpadEntry(keyArgs.RealKey, keyArgs.ScanCode, keyArgs.IsExtendedKey))
{
if (_altNumpadcomposition == null)
{
_altNumpadcomposition = new TextComposition(_inputManager, (IInputElement)keyArgs.Source, "", TextCompositionAutoComplete.Off, keyArgs.Device);
keyArgs.Handled = UnsafeStartComposition(_altNumpadcomposition);
}
else
{
_altNumpadcomposition.ClearTexts();
keyArgs.Handled = UnsafeUpdateComposition(_altNumpadcomposition);
}
// We ate this key for AltNumPad entry. None will be able to handle this.
e.Cancel();
}
else
{
// alt numpad entry was reset so composition needs to be finalized.
if (_altNumpadcomposition != null)
{
_altNumpadcomposition.ClearTexts();
_altNumpadcomposition.Complete();
ClearAltnumpadComposition();
}
}
}
}
}
if (e.StagingItem.Input.RoutedEvent == Keyboard.PreviewKeyDownEvent)
{
KeyEventArgs keyArgs = (KeyEventArgs)e.StagingItem.Input;
//This makes sure that deadChar's do not get handled in commands
//As a result they are unhandled KeyDown events that are sent to translate input.
//
if (!keyArgs.Handled &&
(_deadCharTextComposition != null) &&
(_deadCharTextComposition.Stage == TextCompositionStage.Started))
{
keyArgs.MarkDeadCharProcessed();
}
}
}