Improve event filter handling

Sine Striker

2024-05-08 564f33e8b29a6f73050f4da3f843b942aaf0d739

 src/widgets/widgetwindowagent_win.cpp

@@ -8,6 +8,8 @@
#include <QtCore/QDateTime>
#include <QtGui/QPainter>

#include <QtCore/private/qcoreapplication_p.h>

#include <QWKCore/qwindowkit_windows.h>
#include <QWKCore/private/qwkglobal_p.h>
#include <QWKCore/private/windows10borderhandler_p.h>
@@ -62,8 +64,13 @@
        }

        inline void forwardEventToWidgetAndDraw(QWidget *w, QEvent *event) {
            // https://github.com/qt/qtbase/blob/e26a87f1ecc40bc8c6aa5b889fce67410a57a702/src/widgets/kernel/qapplication.cpp#L3286
            // Deliver the event
            if (!forwardObjectEventFilters(ctx, w, event)) {
            // Let the widget paint first
            static_cast<QObject *>(w)->event(event);
                std::ignore = static_cast<QObject *>(w)->event(event);
                QCoreApplicationPrivate::setEventSpontaneous(event, false);
            }

            // Due to the timer or user action, Qt will repaint some regions spontaneously,
            // even if there is no WM_PAINT message, we must wait for it to finish painting
@@ -72,8 +79,13 @@
        }

        inline void forwardEventToWindowAndDraw(QWindow *window, QEvent *event) {
            // https://github.com/qt/qtbase/blob/e26a87f1ecc40bc8c6aa5b889fce67410a57a702/src/widgets/kernel/qapplication.cpp#L3286
            // Deliver the event;
            if (!forwardObjectEventFilters(ctx, window, event)) {
            // Let Qt paint first
            static_cast<QObject *>(window)->event(event);
                std::ignore = static_cast<QObject *>(window)->event(event);
                QCoreApplicationPrivate::setEventSpontaneous(event, false);
            }

            // Upon receiving the WM_PAINT message, Qt will repaint the entire view, and we
            // must wait for it to finish painting before drawing this top border area.