bool ComponentPeer::handleKeyUpOrDown (const bool isKeyDown)
{
ModifierKeys::updateCurrentModifiers();
bool keyWasUsed = false;
for (Component* target = getTargetForKeyPress(); target != nullptr; target = target->getParentComponent())
{
const WeakReference<Component> deletionChecker (target);
keyWasUsed = target->keyStateChanged (isKeyDown);
if (keyWasUsed || deletionChecker == nullptr)
break;
if (const Array<KeyListener*>* const keyListeners = target->keyListeners)
{
for (int i = keyListeners->size(); --i >= 0;)
{
keyWasUsed = keyListeners->getUnchecked(i)->keyStateChanged (isKeyDown, target);
if (keyWasUsed || deletionChecker == nullptr)
return keyWasUsed;
i = jmin (i, keyListeners->size());
}
}
}
return keyWasUsed;
}
bool ComponentPeer::handleKeyPress (const int keyCode, const juce_wchar textCharacter)
{
ModifierKeys::updateCurrentModifiers();
bool keyWasUsed = false;
const KeyPress keyInfo (keyCode,
ModifierKeys::getCurrentModifiers().withoutMouseButtons(),
textCharacter);
for (Component* target = getTargetForKeyPress(); target != nullptr; target = target->getParentComponent())
{
const WeakReference<Component> deletionChecker (target);
if (const Array<KeyListener*>* const keyListeners = target->keyListeners)
{
for (int i = keyListeners->size(); --i >= 0;)
{
keyWasUsed = keyListeners->getUnchecked(i)->keyPressed (keyInfo, target);
if (keyWasUsed || deletionChecker == nullptr)
return keyWasUsed;
i = jmin (i, keyListeners->size());
}
}
keyWasUsed = target->keyPressed (keyInfo);
if (keyWasUsed || deletionChecker == nullptr)
break;
if (Component* const currentlyFocused = Component::getCurrentlyFocusedComponent())
{
const bool isTab = (keyInfo == KeyPress::tabKey);
const bool isShiftTab = (keyInfo == KeyPress (KeyPress::tabKey, ModifierKeys::shiftModifier, 0));
if (isTab || isShiftTab)
{
currentlyFocused->moveKeyboardFocusToSibling (isTab);
keyWasUsed = (currentlyFocused != Component::getCurrentlyFocusedComponent());
if (keyWasUsed || deletionChecker == nullptr)
break;
}
}
}
return keyWasUsed;
}
bool ComponentPeer::handleKeyPress (const KeyPress& keyInfo)
{
bool keyWasUsed = false;
for (auto* target = getTargetForKeyPress(); target != nullptr; target = target->getParentComponent())
{
const WeakReference<Component> deletionChecker (target);
if (auto* keyListeners = target->keyListeners.get())
{
for (int i = keyListeners->size(); --i >= 0;)
{
keyWasUsed = keyListeners->getUnchecked(i)->keyPressed (keyInfo, target);
if (keyWasUsed || deletionChecker == nullptr)
return keyWasUsed;
i = jmin (i, keyListeners->size());
}
}
keyWasUsed = target->keyPressed (keyInfo);
if (keyWasUsed || deletionChecker == nullptr)
break;
if (auto* currentlyFocused = Component::getCurrentlyFocusedComponent())
{
const bool isTab = (keyInfo == KeyPress::tabKey);
const bool isShiftTab = (keyInfo == KeyPress (KeyPress::tabKey, ModifierKeys::shiftModifier, 0));
if (isTab || isShiftTab)
{
currentlyFocused->moveKeyboardFocusToSibling (isTab);
keyWasUsed = (currentlyFocused != Component::getCurrentlyFocusedComponent());
if (keyWasUsed || deletionChecker == nullptr)
break;
}
}
}
return keyWasUsed;
}