C++ (Cpp) UIWidgetPtr::onDragEnter 예제들

예제 #1

파일: uimanager.cpp 프로젝트: Xenioz/otclient

bool UIManager::updateDraggingWidget(const UIWidgetPtr& draggingWidget, const Point& clickedPos)
{
    bool accepted = false;

    UIWidgetPtr oldDraggingWidget = m_draggingWidget;
    m_draggingWidget = nullptr;
    if(oldDraggingWidget) {
        UIWidgetPtr droppedWidget;
        if(!clickedPos.isNull()) {
            auto clickedChildren = m_rootWidget->recursiveGetChildrenByPos(clickedPos);
            for(const UIWidgetPtr& child : clickedChildren) {
                if(child->onDrop(oldDraggingWidget, clickedPos)) {
                    droppedWidget = child;
                    break;
                }
            }
        }

        accepted = oldDraggingWidget->onDragLeave(droppedWidget, clickedPos);
        oldDraggingWidget->updateState(Fw::DraggingState);
    }

    if(draggingWidget) {
        if(draggingWidget->onDragEnter(clickedPos)) {
            m_draggingWidget = draggingWidget;
            draggingWidget->updateState(Fw::DraggingState);
            accepted = true;
        }
    }

    return accepted;
}