private void PostProcessInput(object sender, ProcessInputEventArgs e)
{
// KeyUp
if (e.StagingItem.Input.RoutedEvent == Keyboard.KeyUpEvent)
{
KeyEventArgs keyArgs = (KeyEventArgs)e.StagingItem.Input;
if (!keyArgs.Handled)
{
if (keyArgs.RealKey == Key.LeftAlt || keyArgs.RealKey == Key.RightAlt)
{
// Make sure both Alt keys are up.
ModifierKeys modifiers = keyArgs.KeyboardDevice.Modifiers;
if ((modifiers & ModifierKeys.Alt) == 0)
{
if (_altNumpadEntryMode)
{
_altNumpadEntryMode = false;
// Generate the Unicode equivalent if we
// actually entered a number via the numpad.
if (_altNumpadEntry != 0)
{
_altNumpadcomposition.ClearTexts();
if (_altNumpadConversionMode == AltNumpadConversionMode.OEMCodePage)
{
_altNumpadcomposition.SetText(GetCurrentOEMCPEncoding(_altNumpadEntry));
}
else if ((_altNumpadConversionMode == AltNumpadConversionMode.DefaultCodePage) ||
(_altNumpadConversionMode == AltNumpadConversionMode.HexDefaultCodePage))
{
_altNumpadcomposition.SetText(CharacterEncoding(InputLanguageManager.Current.CurrentInputLanguage.TextInfo.ANSICodePage, _altNumpadEntry));
}
else if (_altNumpadConversionMode == AltNumpadConversionMode.HexUnicode)
{
Char[] chars = new Char[1];
chars[0] = (Char)_altNumpadEntry;
_altNumpadcomposition.SetText(new string(chars));
}
}
}
}
}
}
else
{
// Someone handled Alt key up event, we cancel Alt-Numpad handling.
_altNumpadEntryMode = false;
_altNumpadEntry = 0;
_altNumpadConversionMode = AltNumpadConversionMode.OEMCodePage;
}
}
// PreviewTextInputBegin --> TextInputStart
else if (e.StagingItem.Input.RoutedEvent == TextCompositionManager.PreviewTextInputStartEvent)
{
TextCompositionEventArgs textArgs = (TextCompositionEventArgs)e.StagingItem.Input;
if (!textArgs.Handled)
{
TextCompositionEventArgs text = new TextCompositionEventArgs(textArgs.Device, textArgs.TextComposition);
text.RoutedEvent = TextCompositionManager.TextInputStartEvent;
text.Source = textArgs.TextComposition.Source;
e.PushInput(text, e.StagingItem);
}
}
// PreviewTextInputUpdate --> TextInputUpdate
else if (e.StagingItem.Input.RoutedEvent == TextCompositionManager.PreviewTextInputUpdateEvent)
{
TextCompositionEventArgs textArgs = (TextCompositionEventArgs)e.StagingItem.Input;
if (!textArgs.Handled)
{
TextCompositionEventArgs text = new TextCompositionEventArgs(textArgs.Device, textArgs.TextComposition);
text.RoutedEvent = TextCompositionManager.TextInputUpdateEvent;
text.Source = textArgs.TextComposition.Source;
e.PushInput(text, e.StagingItem);
}
}
// PreviewTextInput --> TextInput
else if (e.StagingItem.Input.RoutedEvent == TextCompositionManager.PreviewTextInputEvent)
{
TextCompositionEventArgs textArgs = (TextCompositionEventArgs)e.StagingItem.Input;
if (!textArgs.Handled)
{
TextCompositionEventArgs text = new TextCompositionEventArgs(textArgs.Device, textArgs.TextComposition);
text.RoutedEvent = TextCompositionManager.TextInputEvent;
text.Source = textArgs.TextComposition.Source;
e.PushInput(text, e.StagingItem);
}
}
// TextCompositioniBegin --> TextInput if this is AutomaticComplete.
else if (e.StagingItem.Input.RoutedEvent == TextCompositionManager.TextInputStartEvent)
{
TextCompositionEventArgs textArgs = (TextCompositionEventArgs)e.StagingItem.Input;
if (!textArgs.Handled)
{
if (textArgs.TextComposition.AutoComplete == TextCompositionAutoComplete.On)
{
textArgs.Handled = UnsafeCompleteComposition(textArgs.TextComposition);
}
}
}
// TextCompositionUpdate --> TextInput if this is AutomaticComplete.
else if (e.StagingItem.Input.RoutedEvent == TextCompositionManager.TextInputUpdateEvent)
{
TextCompositionEventArgs textArgs = (TextCompositionEventArgs)e.StagingItem.Input;
if (!textArgs.Handled)
{
if ((textArgs.TextComposition == _deadCharTextComposition) &&
(_deadCharTextComposition.Composed))
{
//Clear the _deadCharTextComposition to handle re-entrant cases.
DeadCharTextComposition comp = _deadCharTextComposition;
_deadCharTextComposition = null;
textArgs.Handled = UnsafeCompleteComposition(comp);
}
}
}
// Raw to StartComposition.
InputReportEventArgs input = e.StagingItem.Input as InputReportEventArgs;
if (input != null)
{
if (input.Report.Type == InputType.Text && input.RoutedEvent == InputManager.InputReportEvent)
{
RawTextInputReport textInput;
textInput = (RawTextInputReport)input.Report;
//
//
string inputText = new string(textInput.CharacterCode, 1);
bool fDoneAltNumpadComposition = false;
if (_altNumpadcomposition != null)
{
// Generate TextInput event from WM_CHAR handler.
if (inputText.Equals(_altNumpadcomposition.Text))
{
fDoneAltNumpadComposition = true;
}
else
{
// The generated text from InputReport does not matched with _altNumpadcomposition.
// Cancel this composition and process the char from InputReport.
_altNumpadcomposition.ClearTexts();
}
_altNumpadcomposition.Complete();
ClearAltnumpadComposition();
}
if (!fDoneAltNumpadComposition)
{
if (textInput.IsDeadCharacter)
{
_deadCharTextComposition = new DeadCharTextComposition(_inputManager, (IInputElement)null, inputText, TextCompositionAutoComplete.Off, InputManager.Current.PrimaryKeyboardDevice);
if (textInput.IsSystemCharacter)
{
_deadCharTextComposition.MakeSystem();
}
else if (textInput.IsControlCharacter)
{
_deadCharTextComposition.MakeControl();
}
input.Handled = UnsafeStartComposition(_deadCharTextComposition);
}
else
{
if (_deadCharTextComposition != null)
{
input.Handled = CompleteDeadCharComposition(inputText,
textInput.IsSystemCharacter,
textInput.IsControlCharacter);
}
else
{
TextComposition composition = new TextComposition(_inputManager, (IInputElement)e.StagingItem.Input.Source, inputText, TextCompositionAutoComplete.On, InputManager.Current.PrimaryKeyboardDevice);
if (textInput.IsSystemCharacter)
{
composition.MakeSystem();
}
else if (textInput.IsControlCharacter)
{
composition.MakeControl();
}
input.Handled = UnsafeStartComposition(composition);
}
}
}
}
}
}
private void PostProcessInput(object sender, ProcessInputEventArgs e)
{
// KeyUp
if(e.StagingItem.Input.RoutedEvent == Keyboard.KeyUpEvent)
{
KeyEventArgs keyArgs = (KeyEventArgs) e.StagingItem.Input;
if(!keyArgs.Handled)
{
if(keyArgs.RealKey == Key.LeftAlt || keyArgs.RealKey == Key.RightAlt)
{
// Make sure both Alt keys are up.
ModifierKeys modifiers = keyArgs.KeyboardDevice.Modifiers;
if((modifiers & ModifierKeys.Alt) == 0)
{
if(_altNumpadEntryMode)
{
_altNumpadEntryMode = false;
// Generate the Unicode equivalent if we
// actually entered a number via the numpad.
if(_altNumpadEntry != 0)
{
_altNumpadcomposition.ClearTexts();
if (_altNumpadConversionMode == AltNumpadConversionMode.OEMCodePage)
{
_altNumpadcomposition.SetText(GetCurrentOEMCPEncoding(_altNumpadEntry));
}
else if ((_altNumpadConversionMode == AltNumpadConversionMode.DefaultCodePage) ||
(_altNumpadConversionMode == AltNumpadConversionMode.HexDefaultCodePage))
{
_altNumpadcomposition.SetText(CharacterEncoding(InputLanguageManager.Current.CurrentInputLanguage.TextInfo.ANSICodePage, _altNumpadEntry));
}
else if (_altNumpadConversionMode == AltNumpadConversionMode.HexUnicode)
{
Char[] chars = new Char[1];
chars[0] = (Char) _altNumpadEntry;
_altNumpadcomposition.SetText(new string(chars));
}
}
}
}
}
}
else
{
// Someone handled Alt key up event, we cancel Alt-Numpad handling.
_altNumpadEntryMode = false;
_altNumpadEntry = 0;
_altNumpadConversionMode = AltNumpadConversionMode.OEMCodePage;
}
}
// PreviewTextInputBegin --> TextInputStart
else if(e.StagingItem.Input.RoutedEvent == TextCompositionManager.PreviewTextInputStartEvent)
{
TextCompositionEventArgs textArgs = (TextCompositionEventArgs) e.StagingItem.Input;
if(!textArgs.Handled)
{
TextCompositionEventArgs text = new TextCompositionEventArgs(textArgs.Device, textArgs.TextComposition);
text.RoutedEvent=TextCompositionManager.TextInputStartEvent;
text.Source= textArgs.TextComposition.Source;
e.PushInput(text, e.StagingItem);
}
}
// PreviewTextInputUpdate --> TextInputUpdate
else if(e.StagingItem.Input.RoutedEvent == TextCompositionManager.PreviewTextInputUpdateEvent)
{
TextCompositionEventArgs textArgs = (TextCompositionEventArgs) e.StagingItem.Input;
if(!textArgs.Handled)
{
TextCompositionEventArgs text = new TextCompositionEventArgs(textArgs.Device, textArgs.TextComposition);
text.RoutedEvent=TextCompositionManager.TextInputUpdateEvent;
text.Source= textArgs.TextComposition.Source;
e.PushInput(text, e.StagingItem);
}
}
// PreviewTextInput --> TextInput
else if(e.StagingItem.Input.RoutedEvent == TextCompositionManager.PreviewTextInputEvent)
{
TextCompositionEventArgs textArgs = (TextCompositionEventArgs) e.StagingItem.Input;
if(!textArgs.Handled)
{
TextCompositionEventArgs text = new TextCompositionEventArgs(textArgs.Device, textArgs.TextComposition);
text.RoutedEvent=TextCompositionManager.TextInputEvent;
text.Source= textArgs.TextComposition.Source;
e.PushInput(text, e.StagingItem);
}
}
// TextCompositioniBegin --> TextInput if this is AutomaticComplete.
else if(e.StagingItem.Input.RoutedEvent == TextCompositionManager.TextInputStartEvent)
{
TextCompositionEventArgs textArgs = (TextCompositionEventArgs) e.StagingItem.Input;
if(!textArgs.Handled)
{
if (textArgs.TextComposition.AutoComplete == TextCompositionAutoComplete.On)
{
textArgs.Handled = UnsafeCompleteComposition(textArgs.TextComposition);
}
}
}
// TextCompositionUpdate --> TextInput if this is AutomaticComplete.
else if(e.StagingItem.Input.RoutedEvent == TextCompositionManager.TextInputUpdateEvent)
{
TextCompositionEventArgs textArgs = (TextCompositionEventArgs) e.StagingItem.Input;
if(!textArgs.Handled)
{
if ((textArgs.TextComposition == _deadCharTextComposition) &&
(_deadCharTextComposition.Composed))
{
//Clear the _deadCharTextComposition to handle re-entrant cases.
DeadCharTextComposition comp = _deadCharTextComposition;
_deadCharTextComposition = null;
textArgs.Handled = UnsafeCompleteComposition(comp);
}
}
}
// Raw to StartComposition.
InputReportEventArgs input = e.StagingItem.Input as InputReportEventArgs;
if(input != null)
{
if(input.Report.Type == InputType.Text && input.RoutedEvent == InputManager.InputReportEvent)
{
RawTextInputReport textInput;
textInput = (RawTextInputReport)input.Report;
//
//
string inputText = new string(textInput.CharacterCode, 1);
bool fDoneAltNumpadComposition = false;
if (_altNumpadcomposition != null)
{
// Generate TextInput event from WM_CHAR handler.
if (inputText.Equals(_altNumpadcomposition.Text))
{
fDoneAltNumpadComposition = true;
}
else
{
// The generated text from InputReport does not matched with _altNumpadcomposition.
// Cancel this composition and process the char from InputReport.
_altNumpadcomposition.ClearTexts();
}
_altNumpadcomposition.Complete();
ClearAltnumpadComposition();
}
if (!fDoneAltNumpadComposition)
{
if (textInput.IsDeadCharacter)
{
_deadCharTextComposition = new DeadCharTextComposition(_inputManager, (IInputElement)null, inputText , TextCompositionAutoComplete.Off, InputManager.Current.PrimaryKeyboardDevice);
if (textInput.IsSystemCharacter)
{
_deadCharTextComposition.MakeSystem();
}
else if (textInput.IsControlCharacter)
{
_deadCharTextComposition.MakeControl();
}
input.Handled = UnsafeStartComposition(_deadCharTextComposition);
}
else
{
if(inputText != null)
{
if (_deadCharTextComposition != null)
{
_deadCharTextComposition.ClearTexts();
_deadCharTextComposition.SetText(inputText);
_deadCharTextComposition.Composed = true;
if (textInput.IsSystemCharacter)
{
_deadCharTextComposition.MakeSystem();
}
else if (textInput.IsControlCharacter)
{
_deadCharTextComposition.MakeControl();
}
input.Handled = UnsafeUpdateComposition(_deadCharTextComposition);
}
else
{
TextComposition composition = new TextComposition(_inputManager, (IInputElement)e.StagingItem.Input.Source, inputText, TextCompositionAutoComplete.On, InputManager.Current.PrimaryKeyboardDevice);
if (textInput.IsSystemCharacter)
{
composition.MakeSystem();
}
else if (textInput.IsControlCharacter)
{
composition.MakeControl();
}
input.Handled = UnsafeStartComposition(composition);
}
}
}
}
}
}
}
