chatgui: гибридный resize — нативный на Wayland (край тянется), ручной с пропорцией на X11/Windows

tools/chatgui/src/videoplayer_window.cpp

@@ -61,6 +61,10 @@ static QPoint mouseGlobalPos(const QMouseEvent* e) {
 #endif
 }
 
+static bool isWaylandPlatform() {
+    return QGuiApplication::platformName() == QLatin1String("wayland");
+}
+
 /* Слайдер перемотки: клик по любому месту шкалы = прыжок к позиции (нативно через стиль). */
 class SeekSliderStyle : public QProxyStyle {
 public:
@@ -309,7 +313,12 @@ void VideoPlayerWindow::mousePressEvent(QMouseEvent* e) {
         }
         ResizeMode m = hitTestResize(e->pos());
         if (m != ResizeNone) {
-            beginResize(m, mouseGlobalPos(e));
+            if (isWaylandPlatform()) {
+                /* Wayland: позицию окна задаёт композитор — только нативный resize тянет край */
+                if (windowHandle()) windowHandle()->startSystemResize(edgesForMode(m));
+            } else {
+                beginResize(m, mouseGlobalPos(e));
+            }
         } else {
             if (windowHandle()) windowHandle()->startSystemMove();
         }
@@ -350,7 +359,11 @@ bool VideoPlayerWindow::eventFilter(QObject* obj, QEvent* ev) {
 
             QPoint gp = mouseGlobalPos(me);
             if (t == QEvent::MouseButtonPress && me->button() == Qt::LeftButton) {
-                beginResize(m, gp);
+                if (isWaylandPlatform()) {
+                    if (windowHandle()) windowHandle()->startSystemResize(edgesForMode(m));
+                } else {
+                    beginResize(m, gp);
+                }
                 return true;
             }
             if (t == QEvent::MouseMove && m_resizeMode != ResizeNone && (me->buttons() & Qt::LeftButton)) {
@@ -410,6 +423,20 @@ void VideoPlayerWindow::updateResizeCursor(const QPoint& pos) {
     }
 }
 
+Qt::Edges VideoPlayerWindow::edgesForMode(ResizeMode m) {
+    switch (m) {
+        case ResizeLeft:        return Qt::LeftEdge;
+        case ResizeRight:       return Qt::RightEdge;
+        case ResizeTop:         return Qt::TopEdge;
+        case ResizeBottom:      return Qt::BottomEdge;
+        case ResizeTopLeft:     return Qt::TopEdge | Qt::LeftEdge;
+        case ResizeTopRight:    return Qt::TopEdge | Qt::RightEdge;
+        case ResizeBottomLeft:  return Qt::BottomEdge | Qt::LeftEdge;
+        case ResizeBottomRight: return Qt::BottomEdge | Qt::RightEdge;
+        default:                return {};
+    }
+}
+
 void VideoPlayerWindow::beginResize(ResizeMode m, const QPoint& globalPos) {
     m_resizeMode = m;
     m_resizeStartGeom = geometry();

tools/chatgui/src/videoplayer_window.h

@@ -77,6 +77,7 @@ private:
     void updateResizeCursor(const QPoint& localPos);
     void applyResize(const QPoint& globalPos);
     void beginResize(ResizeMode m, const QPoint& globalPos);
+    static Qt::Edges edgesForMode(ResizeMode m);
 
     VideoRenderWidget* m_render = nullptr;
     QWidget* m_controls = nullptr;