C++ UIWidgetList::push_back方法代码示例

bool UIWidget::propagateOnMouseRelease(const Point& mousePos, Fw::MouseButton button)
{
    // do a backup of children list, because it may change while looping it
    UIWidgetList children;
    for(const UIWidgetPtr& child : m_children) {
        // events on hidden or disabled widgets are discarded
        if(!child->isExplicitlyEnabled() || !child->isExplicitlyVisible())
            continue;

        // mouse release events go to all children
        children.push_back(child);
    }

    for(const UIWidgetPtr& child : children) {
        if(child->propagateOnMouseRelease(mousePos, button))
            return true;
    }

    bool ret = onMouseRelease(mousePos, button);

    if(isPressed() && button == Fw::MouseLeftButton)
        setPressed(false);

    return ret;
}

bool UIWidget::propagateOnMouseMove(const Point& mousePos, const Point& mouseMoved, UIWidgetList& widgetList)
{
    for(auto it = m_children.begin(); it != m_children.end(); ++it) {
        const UIWidgetPtr& child = *it;
        if(child->isExplicitlyVisible() && child->isExplicitlyEnabled())
            child->propagateOnMouseMove(mousePos, mouseMoved, widgetList);
    }

    widgetList.push_back(static_self_cast<UIWidget>());
    return true;
}

UIWidgetList UIWidget::recursiveGetChildren()
{
    UIWidgetList children;
    for(const UIWidgetPtr& child : m_children) {
        UIWidgetList subChildren = child->recursiveGetChildren();
        if(!subChildren.empty())
            children.insert(children.end(), subChildren.begin(), subChildren.end());
        children.push_back(child);
    }
    return children;
}

UIWidgetList UIWidget::recursiveGetChildrenByMarginPos(const Point& childPos)
{
    UIWidgetList children;
    if(!containsPaddingPoint(childPos))
        return children;

    for(auto it = m_children.rbegin(); it != m_children.rend(); ++it) {
        const UIWidgetPtr& child = (*it);
        if(child->isExplicitlyVisible() && child->containsMarginPoint(childPos)) {
            UIWidgetList subChildren = child->recursiveGetChildrenByMarginPos(childPos);
            if(!subChildren.empty())
                children.insert(children.end(), subChildren.begin(), subChildren.end());
            children.push_back(child);
        }
    }
    return children;
}

bool UIWidget::propagateOnMouseEvent(const Point& mousePos, UIWidgetList& widgetList)
{
    bool ret = false;
    if(containsPaddingPoint(mousePos)) {
        for(auto it = m_children.rbegin(); it != m_children.rend(); ++it) {
            const UIWidgetPtr& child = *it;
            if(child->isExplicitlyEnabled() && child->isExplicitlyVisible() && child->containsPoint(mousePos)) {
                if(child->propagateOnMouseEvent(mousePos, widgetList)) {
                    ret = true;
                    break;
                }
            }
        }
    }

    widgetList.push_back(static_self_cast<UIWidget>());

    if(!isPhantom())
        ret = true;
    return ret;
}

bool UIWidget::propagateOnKeyUp(uchar keyCode, int keyboardModifiers)
{
    // do a backup of children list, because it may change while looping it
    UIWidgetList children;
    for(const UIWidgetPtr& child : m_children) {
        // events on hidden or disabled widgets are discarded
        if(!child->isExplicitlyEnabled() || !child->isExplicitlyVisible())
            continue;

        // key events go only to focused child
        if(child->isFocused())
            children.push_back(child);
    }

    for(const UIWidgetPtr& child : children) {
        if(child->propagateOnKeyUp(keyCode, keyboardModifiers))
            return true;
    }

    return onKeyUp(keyCode, keyboardModifiers);
}

bool UIWidget::propagateOnKeyText(const std::string& keyText)
{
    // do a backup of children list, because it may change while looping it
    UIWidgetList children;
    for(const UIWidgetPtr& child : m_children) {
        // events on hidden or disabled widgets are discarded
        if(!child->isExplicitlyEnabled() || !child->isExplicitlyVisible())
            continue;

        // key events go only to containers or focused child
        if(child->isFocused())
            children.push_back(child);
    }

    for(const UIWidgetPtr& child : children) {
        if(child->propagateOnKeyText(keyText))
            return true;
    }

    return onKeyText(keyText);
}

bool UIWidget::propagateOnMouseMove(const Point& mousePos, const Point& mouseMoved)
{
    // do a backup of children list, because it may change while looping it
    UIWidgetList children;
    for(const UIWidgetPtr& child : m_children) {
        // events on hidden or disabled widgets are discarded
        if(!child->isExplicitlyEnabled() || !child->isExplicitlyVisible())
            continue;

        // mouse move events go to all children
        children.push_back(child);
    }

    for(const UIWidgetPtr& child : children) {
        if(child->propagateOnMouseMove(mousePos, mouseMoved))
            return true;
    }

    if(!isPhantom())
        return onMouseMove(mousePos, mouseMoved);
    else
        return false;
}

bool UIWidget::propagateOnKeyPress(uchar keyCode, int keyboardModifiers, int autoRepeatTicks)
{
    // do a backup of children list, because it may change while looping it
    UIWidgetList children;
    for(const UIWidgetPtr& child : m_children) {
        // events on hidden or disabled widgets are discarded
        if(!child->isExplicitlyEnabled() || !child->isExplicitlyVisible())
            continue;

        // key events go only to containers or focused child
        if(child->isFocused())
            children.push_back(child);
    }

    for(const UIWidgetPtr& child : children) {
        if(child->propagateOnKeyPress(keyCode, keyboardModifiers, autoRepeatTicks))
            return true;
    }

    if(autoRepeatTicks == 0 || autoRepeatTicks >= m_autoRepeatDelay)
        return onKeyPress(keyCode, keyboardModifiers, autoRepeatTicks);
    else
        return false;
}

bool UIWidget::propagateOnMouseWheel(const Point& mousePos, Fw::MouseWheelDirection direction)
{
    // do a backup of children list, because it may change while looping it
    UIWidgetList children;
    for(const UIWidgetPtr& child : m_children) {
        // events on hidden or disabled widgets are discarded
        if(!child->isExplicitlyEnabled() || !child->isExplicitlyVisible())
            continue;

        // mouse wheel events only go to children that contains the mouse position
        if(child->containsPoint(mousePos) && child == getChildByPos(mousePos))
            children.push_back(child);
    }

    for(const UIWidgetPtr& child : children) {
        if(child->propagateOnMouseWheel(mousePos, direction))
            return true;
    }

    if(!isPhantom())
        return onMouseWheel(mousePos, direction);
    else
        return false;
}