private void UpdatePressedStateForKey(Key.Scan key, bool state)
{
switch (key)
{
case Key.Scan.LeftShift:
d_leftShift = state;
break;
case Key.Scan.RightShift:
d_rightShift = state;
break;
case Key.Scan.LeftControl:
d_leftCtrl = state;
break;
case Key.Scan.RightControl:
d_rightCtrl = state;
break;
case Key.Scan.LeftAlt:
d_leftAlt = state;
break;
case Key.Scan.RightAlt:
d_rightAlt = state;
break;
}
}
/// <summary>
/// Gets semantic action for scan_code and sends the event
/// </summary>
/// <param name="scanCode"></param>
/// <param name="shiftDown"></param>
/// <param name="altDown"></param>
/// <param name="ctrlDown"></param>
/// <returns>
/// True if the semantic action was handled
/// </returns>
public bool HandleScanCode(Key.Scan scanCode, bool shiftDown, bool altDown, bool ctrlDown)
{
var value = GetSemanticAction(scanCode, shiftDown, altDown, ctrlDown);
if (value != (int)SemanticValue.SV_NoValue)
{
return(d_inputReceiver.InjectInputEvent(new SemanticInputEvent(value)));
}
return(false);
}
public virtual bool InjectKeyUp(Key.Scan scanCode)
{
if (d_inputReceiver == null)
{
return(false);
}
d_keysPressed[(int)scanCode] = false;
if (!d_handleInKeyUp)
{
return(true);
}
return(HandleScanCode(scanCode, IsShiftPressed(), IsAltPressed(), IsControlPressed()));
}
public static SystemKey KeyCodeToSystemKey(Key.Scan key)
{
switch (key)
{
case Key.Scan.RightShift:
case Key.Scan.LeftShift:
return(SystemKey.Shift);
case Key.Scan.LeftControl:
case Key.Scan.RightControl:
return(SystemKey.Control);
case Key.Scan.LeftAlt:
case Key.Scan.RightAlt:
return(SystemKey.Alt);
default:
return(SystemKey.None);
}
}
//! notify that the given key was released.
public void KeyReleased(Key.Scan key)
{
UpdatePressedStateForKey(key, false);
UpdateSystemKeyState(KeyCodeToSystemKey(key));
}
/// <summary>
/// notify that the given key was presed
/// </summary>
/// <param name="key"></param>
public void KeyPressed(Key.Scan key)
{
UpdatePressedStateForKey(key, true);
UpdateSystemKeyState(KeyCodeToSystemKey(key));
}
/// <summary>
/// Returns a semantic action matching the scan_code
/// </summary>
/// <param name="scanCode"></param>
/// <param name="shiftDown"></param>
/// <param name="altDown"></param>
/// <param name="ctrlDown"></param>
/// <returns></returns>
public int GetSemanticAction(Key.Scan scanCode, bool shiftDown, bool altDown, bool ctrlDown)
{
int value = d_keyValuesMappings[(int)scanCode];
// handle combined keys
if (ctrlDown && shiftDown)
{
if (scanCode == Key.Scan.ArrowLeft)
{
value = (int)SemanticValue.SV_SelectPreviousWord;
}
else if (scanCode == Key.Scan.ArrowRight)
{
value = (int)SemanticValue.SV_SelectNextWord;
}
else if (scanCode == Key.Scan.End)
{
value = (int)SemanticValue.SV_SelectToEndOfDocument;
}
else if (scanCode == Key.Scan.Home)
{
value = (int)SemanticValue.SV_SelectToStartOfDocument;
}
else if (scanCode == Key.Scan.Z)
{
value = (int)SemanticValue.SV_Redo;
}
}
else if (ctrlDown)
{
if (scanCode == Key.Scan.ArrowLeft)
{
value = (int)SemanticValue.SV_GoToPreviousWord;
}
else if (scanCode == Key.Scan.ArrowRight)
{
value = (int)SemanticValue.SV_GoToNextWord;
}
else if (scanCode == Key.Scan.End)
{
value = (int)SemanticValue.SV_GoToEndOfDocument;
}
else if (scanCode == Key.Scan.Home)
{
value = (int)SemanticValue.SV_GoToStartOfDocument;
}
else if (scanCode == Key.Scan.A)
{
value = (int)SemanticValue.SV_SelectAll;
}
else if (scanCode == Key.Scan.C)
{
value = (int)SemanticValue.SV_Copy;
}
else if (scanCode == Key.Scan.V)
{
value = (int)SemanticValue.SV_Paste;
}
else if (scanCode == Key.Scan.X)
{
value = (int)SemanticValue.SV_Cut;
}
else if (scanCode == Key.Scan.Tab)
{
value = (int)SemanticValue.SV_NavigateToPrevious;
}
else if (scanCode == Key.Scan.Z)
{
value = (int)SemanticValue.SV_Undo;
}
else if (scanCode == Key.Scan.Y)
{
value = (int)SemanticValue.SV_Redo;
}
}
else if (shiftDown)
{
if (scanCode == Key.Scan.ArrowLeft)
{
value = (int)SemanticValue.SV_SelectPreviousCharacter;
}
else if (scanCode == Key.Scan.ArrowRight)
{
value = (int)SemanticValue.SV_SelectNextCharacter;
}
else if (scanCode == Key.Scan.ArrowUp)
{
value = (int)SemanticValue.SV_SelectUp;
}
else if (scanCode == Key.Scan.ArrowDown)
{
value = (int)SemanticValue.SV_SelectDown;
}
else if (scanCode == Key.Scan.End)
{
value = (int)SemanticValue.SV_SelectToEndOfLine;
}
else if (scanCode == Key.Scan.Home)
{
value = (int)SemanticValue.SV_SelectToStartOfLine;
}
else if (scanCode == Key.Scan.PageUp)
{
value = (int)SemanticValue.SV_SelectPreviousPage;
}
else if (scanCode == Key.Scan.PageDown)
{
value = (int)SemanticValue.SV_SelectNextPage;
}
}
if (altDown)
{
if (scanCode == Key.Scan.Backspace)
{
value = (int)SemanticValue.SV_Undo;
}
}
return(value);
}
