Ejemplo n.º 1
0
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;
}
Ejemplo n.º 2
0
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;
}
Ejemplo n.º 3
0
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;
}