Adjust paint event handler

Sine Striker

2023-12-23 f3721da17996168489778327459084dd227690d6

 src/widgets/widgetwindowagent_win.cpp

@@ -3,9 +3,14 @@
#include <QtGui/QPainter>

#include <QWKCore/qwindowkit_windows.h>
#include <QWKCore/qwkconfig.h>
#include <QWKCore/private/nativeeventfilter_p.h>

namespace QWK {

#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)

    class WidgetBorderHandler;

    class WidgetBorderHandler : public QObject, public NativeEventFilter {
    public:
@@ -71,6 +76,16 @@
                        (Qt::WindowMinimized | Qt::WindowMaximized | Qt::WindowFullScreen))
                        break;

                    // Friend class helping to call `event`
                    class HackedWidget : public QWidget {
                    public:
                        friend class WidgetBorderHandler;
                    };

                    // Let the widget paint first
                    static_cast<HackedWidget *>(widget)->event(event);

                    // Draw border
                    auto paintEvent = static_cast<QPaintEvent *>(event);
                    auto rect = paintEvent->rect();
                    auto region = paintEvent->region();
@@ -82,7 +97,7 @@
                        &region,
                    };
                    ctx->virtual_hook(AbstractWindowContext::DrawWindows10BorderHook, args);
                    break;
                    return true;
                }

                case QEvent::WindowStateChange: {
@@ -105,13 +120,16 @@
        QWidget *widget;
        AbstractWindowContext *ctx;
    };
#endif

    void WidgetWindowAgentPrivate::setupWindows10BorderWorkaround() {
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
        // Install painting hook
        auto ctx = context.get();
        if (ctx->property("needBorderPainter").toBool()) {
            std::ignore = new WidgetBorderHandler(hostWidget, ctx);
        }
#endif
    }

}