void FocusHandler::checkHotKey(const KeyInput &keyInput)
{
int keyin = keyInput.getKey().getValue();
for (int i = 0; i < (int)mWidgets.size(); ++i)
{
int hotKey = mWidgets[i]->getHotKey();
if (hotKey == 0)
{
continue;
}
if ((isascii(keyin) && tolower(keyin) == hotKey) || keyin == hotKey)
{
if (keyInput.getType() == KeyInput::PRESS)
{
mWidgets[i]->hotKeyPress();
if (mWidgets[i]->isFocusable())
{
this->requestFocus(mWidgets[i]);
}
}
else
{
mWidgets[i]->hotKeyRelease();
}
break;
}
}
}
bool Widget::_keyInputMessage(const KeyInput& keyInput)
{
if (mFocusHandler == NULL)
{
//throw GCN_EXCEPTION("No focushandler set (did you add the widget to the gui?).");
assert(!"No focushandler set (did you add the widget to the gui?).");
}
if (!mEnabled || (mFocusHandler->getModalFocused() != NULL &&
!hasModalFocus()))
{
return false;
}
KeyListenerIterator iter;
bool keyProcessed = false;
switch(keyInput.getType())
{
case KeyInput::PRESS:
for (iter = mKeyListeners.begin(); iter != mKeyListeners.end(); ++iter)
{
if ((*iter)->keyPress(keyInput.getKey()))
{
keyProcessed = true;
}
}
break;
case KeyInput::RELEASE:
for (iter = mKeyListeners.begin(); iter != mKeyListeners.end(); ++iter)
{
if ((*iter)->keyRelease(keyInput.getKey()))
{
keyProcessed = true;
}
}
break;
}
return keyProcessed;
}
void Gui::handleKeyInput()
{
while (!mInput->isKeyQueueEmpty())
{
KeyInput keyInput = mInput->dequeueKeyInput();
// Save modifiers state
mShiftPressed = keyInput.isShiftPressed();
mMetaPressed = keyInput.isMetaPressed();
mControlPressed = keyInput.isControlPressed();
mAltPressed = keyInput.isAltPressed();
KeyEvent keyEventToGlobalKeyListeners(WidgetPtr(),
mShiftPressed,
mControlPressed,
mAltPressed,
mMetaPressed,
keyInput.getType(),
keyInput.isNumericPad(),
keyInput.getKey());
distributeKeyEventToGlobalKeyListeners(keyEventToGlobalKeyListeners);
// If a global key listener consumes the event it will not be
// sent further to the source of the event.
if (keyEventToGlobalKeyListeners.isConsumed())
{
continue;
}
bool keyEventConsumed = false;
// Send key inputs to the focused widgets
if (mFocusHandler->GetFocused() != NULL)
{
KeyEvent keyEvent(GetKeyEventSource(),
mShiftPressed,
mControlPressed,
mAltPressed,
mMetaPressed,
keyInput.getType(),
keyInput.isNumericPad(),
keyInput.getKey());
if (!mFocusHandler->GetFocused()->IsFocusable())
{
mFocusHandler->FocusNone();
}
else
{
distributeKeyEvent(keyEvent);
}
keyEventConsumed = keyEvent.isConsumed();
}
// If the key event hasn't been consumed and
// tabbing is enable check for tab press and
// change focus.
if (!keyEventConsumed
&& mTabbing
&& keyInput.getKey().getValue() == Key::TAB
&& keyInput.getType() == KeyInput::PRESSED)
{
if (keyInput.isShiftPressed())
{
mFocusHandler->TabPrevious();
}
else
{
mFocusHandler->TabNext();
}
}
} // end while
}