From 0dfb39cfcb969426c3502748dd6b8137b6a7250b Mon Sep 17 00:00:00 2001
From: evgeny <evgeny@adaptto.ru>
Date: Tue, 8 Sep 2026 02:47:59 +0300
Subject: [PATCH] =?UTF-8?q?chatgui:=20=D0=B3=D0=B8=D0=B1=D1=80=D0=B8=D0=B4?=
 =?UTF-8?q?=D0=BD=D1=8B=D0=B9=20resize=20=E2=80=94=20=D0=BD=D0=B0=D1=82?=
 =?UTF-8?q?=D0=B8=D0=B2=D0=BD=D1=8B=D0=B9=20=D0=BD=D0=B0=20Wayland=20(?=
 =?UTF-8?q?=D0=BA=D1=80=D0=B0=D0=B9=20=D1=82=D1=8F=D0=BD=D0=B5=D1=82=D1=81?=
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---
 tools/chatgui/src/videoplayer_window.cpp | 31 ++++++++++++++++++++++--
 tools/chatgui/src/videoplayer_window.h   |  1 +
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/tools/chatgui/src/videoplayer_window.cpp b/tools/chatgui/src/videoplayer_window.cpp
index c28e33f3..4d89cefb 100644
--- a/tools/chatgui/src/videoplayer_window.cpp
+++ b/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();
diff --git a/tools/chatgui/src/videoplayer_window.h b/tools/chatgui/src/videoplayer_window.h
index b2c05e5c..1edbf74e 100644
--- a/tools/chatgui/src/videoplayer_window.h
+++ b/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;