Add raise hook

Sine Striker

2023-12-19 f874811443991759df4231b5127788af059a0df9

 src/core/contexts/qtwindowcontext.cpp

@@ -1,5 +1,10 @@
#include "qtwindowcontext_p.h"

#include <QtCore/QDebug>

#include "qwkglobal_p.h"
#include "systemwindow_p.h"

namespace QWK {

    static constexpr const quint8 kDefaultResizeBorderThickness = 8;
@@ -40,8 +45,7 @@
#endif
    }

    static inline Qt::Edges calculateWindowEdges(const QWindow *window, const QPoint &pos)
    {
    static inline Qt::Edges calculateWindowEdges(const QWindow *window, const QPoint &pos) {
#ifdef Q_OS_MACOS
        Q_UNUSED(window);
        Q_UNUSED(pos);
@@ -73,96 +77,144 @@
#endif
    }

    class WindowEventFilter : public QObject {
        Q_OBJECT

    class QtWindowEventFilter : public QObject {
    public:
        explicit WindowEventFilter(AbstractWindowContext *context, QObject *parent = nullptr);
        ~WindowEventFilter() override;
        explicit QtWindowEventFilter(AbstractWindowContext *context, QObject *parent = nullptr);
        ~QtWindowEventFilter() override;

        enum WindowStatus {
            Idle,
            WaitingRelease,
            PreparingMove,
            Moving,
            Resizing,
        };

    protected:
        bool eventFilter(QObject *object, QEvent *event) override;

    private:
        AbstractWindowContext *m_context;
        bool m_leftButtonPressed;
        bool m_cursorShapeChanged;
        WindowStatus m_windowStatus;
    };

    WindowEventFilter::WindowEventFilter(AbstractWindowContext *context, QObject *parent) : QObject(parent), m_context(context), m_leftButtonPressed(false), m_cursorShapeChanged(false) {}
    QtWindowEventFilter::QtWindowEventFilter(AbstractWindowContext *context, QObject *parent)
        : QObject(parent), m_context(context), m_cursorShapeChanged(false), m_windowStatus(Idle) {
        m_context->window()->installEventFilter(this);
    }

    WindowEventFilter::~WindowEventFilter() = default;
    QtWindowEventFilter::~QtWindowEventFilter() = default;

    bool WindowEventFilter::eventFilter(QObject *object, QEvent *event) {
        const auto type = event->type();
    bool QtWindowEventFilter::eventFilter(QObject *obj, QEvent *event) {
        Q_UNUSED(obj)
        auto type = event->type();
        if (type < QEvent::MouseButtonPress || type > QEvent::MouseMove) {
            return false;
        }
        QObject *host = m_context->host();
        QWindow *window = m_context->window();
        WindowItemDelegate *delegate = m_context->delegate();
        const bool fixedSize = delegate->isHostSizeFixed(host);
        const auto mouseEvent = static_cast<const QMouseEvent *>(event);
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
        const QPoint scenePos = mouseEvent->scenePosition().toPoint();
        const QPoint globalPos = mouseEvent->globalPosition().toPoint();
#else
        const QPoint scenePos = mouseEvent->windowPos().toPoint();
        const QPoint globalPos = mouseEvent->screenPos().toPoint();
#endif
        const bool inTitleBar = m_context->isInTitleBarDraggableArea(scenePos);
        auto host = m_context->host();
        auto window = m_context->window();
        auto delegate = m_context->delegate();
        auto me = static_cast<const QMouseEvent *>(event);
        bool fixedSize = delegate->isHostSizeFixed(host);

        QPoint scenePos = getMouseEventScenePos(me);
        QPoint globalPos = getMouseEventGlobalPos(me);

        bool inTitleBar = m_context->isInTitleBarDraggableArea(scenePos);
        switch (type) {
            case QEvent::MouseButtonPress: {
                if (mouseEvent->button() == Qt::LeftButton) {
                    m_leftButtonPressed = true;
                    if (!fixedSize) {
                        const Qt::Edges edges = calculateWindowEdges(window, scenePos);
                        if (edges != Qt::Edges{}) {
                            window->startSystemResize(edges);
                switch (me->button()) {
                    case Qt::LeftButton: {
                        if (!fixedSize) {
                            Qt::Edges edges = calculateWindowEdges(window, scenePos);
                            if (edges != Qt::Edges()) {
                                m_windowStatus = Resizing;
                                startSystemResize(window, edges);
                                event->accept();
                                return true;
                            }
                        }
                        if (inTitleBar) {
                            // If we call startSystemMove() now but release the mouse without actual
                            // movement, there will be no MouseReleaseEvent, so we defer it when the
                            // mouse is actually moving for the first time
                            m_windowStatus = PreparingMove;
                            event->accept();
                            return true;
                        }
                        break;
                    }
                    if (inTitleBar) {
                        event->accept();
                        return true;
                    case Qt::RightButton: {
                        m_context->showSystemMenu(globalPos);
                        break;
                    }
                    default:
                        break;
                }
                m_windowStatus = WaitingRelease;
                break;
            }

            case QEvent::MouseButtonRelease: {
                if (mouseEvent->button() == Qt::LeftButton) {
                    m_leftButtonPressed = false;
                    if (inTitleBar) {
                switch (m_windowStatus) {
                    case PreparingMove:
                    case Moving:
                    case Resizing: {
                        m_windowStatus = Idle;
                        event->accept();
                        return true;
                    }
                }
                break;
            }
            case QEvent::MouseMove: {
                if (!fixedSize) {
                    const Qt::CursorShape shape = calculateCursorShape(window, scenePos);
                    if (shape == Qt::ArrowCursor) {
                        if (m_cursorShapeChanged) {
                            delegate->restoreCursorShape(host);
                            m_cursorShapeChanged = false;
                    case WaitingRelease: {
                        m_windowStatus = Idle;
                        break;
                    }
                    default: {
                        if (inTitleBar) {
                            event->accept();
                            return true;
                        }
                    } else {
                        delegate->setCursorShape(host, shape);
                        m_cursorShapeChanged = true;
                        break;
                    }
                }
                if (m_leftButtonPressed && inTitleBar) {
                    window->startSystemMove();
                    event->accept();
                    return true;
                break;
            }

            case QEvent::MouseMove: {
                switch (m_windowStatus) {
                    case Moving: {
                        return true;
                    }
                    case PreparingMove: {
                        m_windowStatus = Moving;
                        startSystemMove(window);
                        event->accept();
                        return true;
                    }
                    case Idle: {
                        if (!fixedSize) {
                            const Qt::CursorShape shape = calculateCursorShape(window, scenePos);
                            if (shape == Qt::ArrowCursor) {
                                if (m_cursorShapeChanged) {
                                    delegate->restoreCursorShape(host);
                                    m_cursorShapeChanged = false;
                                }
                            } else {
                                delegate->setCursorShape(host, shape);
                                m_cursorShapeChanged = true;
                            }
                        }
                        break;
                    }
                    default:
                        break;
                }
                break;
            }

            case QEvent::MouseButtonDblClick: {
                if (mouseEvent->button() == Qt::LeftButton && inTitleBar && !fixedSize) {
                    const Qt::WindowStates windowState = delegate->getWindowState(host);
                if (me->button() == Qt::LeftButton && inTitleBar && !fixedSize) {
                    Qt::WindowStates windowState = delegate->getWindowState(host);
                    if (!(windowState & Qt::WindowFullScreen)) {
                        if (windowState & Qt::WindowMaximized) {
                            delegate->setWindowState(host, windowState & ~Qt::WindowMaximized);
@@ -175,10 +227,9 @@
                }
                break;
            }
            default: {
                Q_UNREACHABLE();
                return false;
            }

            default:
                break;
        }
        return false;
    }
@@ -193,14 +244,14 @@
    }

    void QtWindowContext::virtual_hook(int id, void *data) {
        AbstractWindowContext::virtual_hook(id, data);
    }

    bool QtWindowContext::setupHost() {
        m_delegate->setWindowFlags(m_host, Qt::FramelessWindowHint);
        m_windowHandle->installEventFilter(new WindowEventFilter(this, m_windowHandle));
        return true;
    void QtWindowContext::winIdChanged(QWindow *oldWindow) {
        Q_UNUSED(oldWindow)
        m_delegate->setWindowFlags(m_host,
                                   m_delegate->getWindowFlags(m_host) | Qt::FramelessWindowHint);
        qtWindowEventFilter = std::make_unique<QtWindowEventFilter>(this);
    }

}

#include "qtwindowcontext.moc"