fix: xembed tray popup window position correction for stashed container (#1608)

之前托盘位置总是相对于任务栏的 wl_surface 的，会导致向上收起区域的偏移
位置不正确。此提交增加了托盘位于哪个区域的区分，并根据对应的位置决定
所基于的 wl_surface 是哪个。

PMS: BUG-360349
Log:

Author: BLumia

panels/dock/DockCompositor.qml

@@ -20,6 +20,10 @@ Item {
     property alias dockSize: pluginManager.dockSize
     property var moveXEmbedWindowHandler: null
 
+    function notifyXEmbedWindowMoveResult(wid, success) {
+        pluginManager.notifyXEmbedWindowMoveResult(wid, success)
+    }
+
     property ListModel trayPluginSurfaces: ListModel {}
     property ListModel quickPluginSurfaces: ListModel {}
     property ListModel fixedPluginSurfaces: ListModel {}
@@ -115,11 +119,15 @@ Item {
                 dockCompositor.popupClosed()
             }
 
-            onMoveXEmbedWindowRequested: (wid, pluginId, itemKey, dx, dy) => {
-                console.log("move xembed window requested:", wid, pluginId, itemKey, dx, dy)
+            onMoveXEmbedWindowRequested: (wid, pluginId, itemKey, dx, dy, anchorWindow) => {
+                console.log("move xembed window requested:", wid, pluginId, itemKey, dx, dy, "anchorWindow:", anchorWindow)
                 if (typeof dockCompositor.moveXEmbedWindowHandler === 'function') {
-                    var success = dockCompositor.moveXEmbedWindowHandler(wid, dx, dy)
-                    pluginManager.notifyXEmbedWindowMoveResult(wid, success)
+                    var sent = dockCompositor.moveXEmbedWindowHandler(wid, dx, dy, anchorWindow)
+                    if (!sent) {
+                        // Pre-check failed (e.g. manager not ready) — no wl_callback registered
+                        pluginManager.notifyXEmbedWindowMoveResult(wid, false)
+                    }
+                    // If sent, result arrives asynchronously via xembedWindowMoveResult signal
                 } else {
                     console.warn("moveXEmbedWindowHandler not available")
                     pluginManager.notifyXEmbedWindowMoveResult(wid, false)

panels/dock/dockhelper.h

@@ -8,6 +8,7 @@
 #include "dockpanel.h"
 
 #include <QObject>
+#include <QQuickWindow>
 
 namespace dock {
 class DockWakeUpArea;
@@ -22,8 +23,8 @@ class DockHelper : public QObject
     void enterScreen(QScreen *screen);
     void leaveScreen();
 
-    // Move XEmbed window relative to dock surface (no-op on X11)
-    virtual bool moveXEmbedWindow(uint32_t wid, double dx, double dy) { return false; }
+    // Move XEmbed window relative to anchor window's surface (no-op on X11)
+    virtual bool moveXEmbedWindow(uint32_t wid, double dx, double dy, QQuickWindow *anchorWindow = nullptr) { return false; }
 
 Q_SIGNALS:
     void isWindowOverlapChanged(bool overlap);

panels/dock/dockpanel.cpp

@@ -162,6 +162,8 @@ bool DockPanel::init()
     auto platformName = QGuiApplication::platformName();
     if (QStringLiteral("wayland") == platformName) {
         m_helper = new WaylandDockHelper(this);
+        connect(static_cast<WaylandDockHelper *>(m_helper), &WaylandDockHelper::xembedWindowMoveResult,
+                this, &DockPanel::xembedWindowMoveResult);
         // Fallback to DGuiApplicationHelper for theme color when wayland wallpaper color is not available.
         // TODO: remove this when initWallpaperColorManager is re-enabled
         QObject::connect(Dtk::Gui::DGuiApplicationHelper::instance(), &Dtk::Gui::DGuiApplicationHelper::themeTypeChanged,
@@ -495,10 +497,10 @@ void DockPanel::setIsResizing(bool resizing)
     emit isResizingChanged(m_isResizing);
 }
 
-bool DockPanel::moveXEmbedWindow(uint32_t wid, double dx, double dy)
+bool DockPanel::moveXEmbedWindow(uint32_t wid, double dx, double dy, QQuickWindow *anchorWindow)
 {
     if (m_helper) {
-        return m_helper->moveXEmbedWindow(wid, dx, dy);
+        return m_helper->moveXEmbedWindow(wid, dx, dy, anchorWindow);
     }
     return false;
 }

panels/dock/dockpanel.h

@@ -84,8 +84,9 @@ class DockPanel : public DS_NAMESPACE::DPanel, public QDBusContext
 
     Q_INVOKABLE void notifyDockPositionChanged(int offsetX, int offsetY);
 
-    // Move XEmbed window relative to dock surface (Wayland only)
-    Q_INVOKABLE bool moveXEmbedWindow(uint32_t wid, double dx, double dy);
+    // Move XEmbed window relative to anchor window's surface (Wayland only)
+    // anchorWindow: the window containing the plugin item (dock panel or popup window)
+    Q_INVOKABLE bool moveXEmbedWindow(uint32_t wid, double dx, double dy, QQuickWindow *anchorWindow = nullptr);
 
     bool showInPrimary() const;
     void setShowInPrimary(bool newShowInPrimary);
@@ -138,6 +139,9 @@ private Q_SLOTS:
     void contextDraggingChanged();
     void isResizingChanged(bool isResizing);
 
+    // Emitted when async XEmbed window move completes
+    void xembedWindowMoveResult(uint32_t wid, bool success);
+
 private:
     ColorTheme m_theme;
     HideState m_hideState;

panels/dock/package/main.qml

@@ -855,10 +855,16 @@ Window {
             return Panel.devicePixelRatio
         })
 
-        DockCompositor.moveXEmbedWindowHandler = function(wid, dx, dy) {
-            return Panel.moveXEmbedWindow(wid, dx, dy)
+        DockCompositor.moveXEmbedWindowHandler = function(wid, dx, dy, anchorWindow) {
+            return Panel.moveXEmbedWindow(wid, dx, dy, anchorWindow)
+            // If true: result arrives asynchronously via Panel.xembedWindowMoveResult signal
+            // If false: pre-check failed, caller should notify failure immediately
         }
 
+        Panel.xembedWindowMoveResult.connect(function(wid, success) {
+            DockCompositor.notifyXEmbedWindowMoveResult(wid, success)
+        })
+
         dock.itemIconSizeBase = dock.dockItemMaxSize
         dock.visible = Panel.hideState !== Dock.Hide
         changeDragAreaAnchor()

panels/dock/pluginmanagerextension.cpp

@@ -264,6 +264,16 @@ QPoint PluginSurface::itemPosition() const
     return m_itemPosition;
 }
 
+void PluginSurface::setAnchorWindow(QQuickWindow *window)
+{
+    m_anchorWindow = window;
+}
+
+QQuickWindow *PluginSurface::anchorWindow() const
+{
+    return m_anchorWindow;
+}
+
 void PluginSurface::plugin_mouse_event(QtWaylandServer::plugin::Resource *resource, int32_t type)
 {
     Q_UNUSED(resource)
@@ -706,8 +716,8 @@ void PluginManager::plugin_manager_v1_move_xembed_window(Resource *resource, uin
     // Store pending callback for later response (supports concurrent requests)
     m_pendingXEmbedCallbacks[xembed_winid] = {callback, resource->handle};
 
-    // Emit signal with position info for QML to handle
-    Q_EMIT moveXEmbedWindowRequested(xembed_winid, plugin_id, item_key, dx, dy);
+    // Emit signal with position info and anchor window for QML to handle
+    Q_EMIT moveXEmbedWindowRequested(xembed_winid, plugin_id, item_key, dx, dy, pluginSurface->anchorWindow());
 }
 
 void PluginManager::notifyXEmbedWindowMoveResult(uint32_t wid, bool success)

panels/dock/pluginmanagerextension_p.h

@@ -6,6 +6,7 @@
 
 #include <QMap>
 #include <QPointer>
+#include <QQuickWindow>
 #include <QtWaylandCompositor/QWaylandCompositor>
 #include <QtWaylandCompositor/QWaylandQuickExtension>
 #include <QtWaylandCompositor/QWaylandResource>
@@ -99,8 +100,8 @@ class PluginManager : public QWaylandCompositorExtensionTemplate<PluginManager>,
     void dockSizeChanged();
     void requestShutdown(const QString &type);
     // Signal emitted when XEmbed window move is requested
-    // Parameters: wid (window ID), pluginId, itemKey, dx (relative x offset), dy (relative y offset)
-    void moveXEmbedWindowRequested(uint32_t wid, const QString &pluginId, const QString &itemKey, double dx, double dy);
+    // Parameters: wid (window ID), pluginId, itemKey, dx, dy, anchorWindow (the window containing the plugin item)
+    void moveXEmbedWindowRequested(uint32_t wid, const QString &pluginId, const QString &itemKey, double dx, double dy, QQuickWindow *anchorWindow);
 
 private Q_SLOTS:
     void onFontChanged();
@@ -192,10 +193,13 @@ class PluginSurface : public QWaylandShellSurfaceTemplate<PluginSurface>, public
 
     Q_INVOKABLE void updatePluginGeometry(const QRect &geometry);
     Q_INVOKABLE void setGlobalPos(const QPoint &pos);
+    Q_INVOKABLE void setAnchorWindow(QQuickWindow *window);
 
-    // Position relative to the dock window, set from QML via updatePluginGeometry
+    // Position relative to the containing window, set from QML via updatePluginGeometry
     QPoint itemPosition() const;
 
+    QQuickWindow *anchorWindow() const;
+
     int margins() const;
     void setMargins(int newMargins);
 
@@ -234,7 +238,8 @@ class PluginSurface : public QWaylandShellSurfaceTemplate<PluginSurface>, public
     int m_margins = 0;
     int m_height;
     int m_width;
-    QPoint m_itemPosition; // Position relative to dock window, for XEmbed window positioning
+    QPoint m_itemPosition;
+    QPointer<QQuickWindow> m_anchorWindow;
 };
 
 class PluginPopup : public QWaylandShellSurfaceTemplate<PluginPopup>, public QtWaylandServer::plugin_popup

panels/dock/tray/package/ActionLegacyTrayPluginDelegate.qml

@@ -92,6 +92,7 @@ AppletItemButton {
             if (!pluginItem.plugin || !itemVisible)
                 return
             updatePluginMargins()
+            pluginItem.plugin.setAnchorWindow(pluginItem.Window.window)
             pluginItem.plugin.updatePluginGeometry(Qt.rect(pluginItem.itemGlobalPoint.x, pluginItem.itemGlobalPoint.y, 0, 0))
             pluginItem.plugin.setGlobalPos(pluginItem.itemGlobalPos)
         }
@@ -105,6 +106,7 @@ AppletItemButton {
                 if (!pluginItem.plugin || !itemVisible)
                     return
                 updatePluginMargins()
+                pluginItem.plugin.setAnchorWindow(pluginItem.Window.window)
                 if (pluginItem.itemGlobalPoint.x >= 0 && pluginItem.itemGlobalPoint.y >= 0) {
                     pluginItem.plugin.updatePluginGeometry(Qt.rect(pluginItem.itemGlobalPoint.x, pluginItem.itemGlobalPoint.y, 0, 0))
                 }

panels/dock/waylanddockhelper.cpp

@@ -158,7 +158,7 @@ void WaylandDockHelper::setDockColorTheme(const ColorTheme &theme)
     m_panel->setColorTheme(theme);
 }
 
-bool WaylandDockHelper::moveXEmbedWindow(uint32_t wid, double dx, double dy)
+bool WaylandDockHelper::moveXEmbedWindow(uint32_t wid, double dx, double dy, QQuickWindow *anchorWindow)
 {
     // Update dock wl_surface if needed
     if (!m_dockWlSurface && m_panel->window()) {
@@ -168,14 +168,43 @@ bool WaylandDockHelper::moveXEmbedWindow(uint32_t wid, double dx, double dy)
         }
     }
 
-    if (!m_ddeShellManager || !m_ddeShellManager->isActive() || !m_dockWlSurface) {
+    struct ::wl_surface *anchorSurface = m_dockWlSurface;
+
+    if (anchorWindow) {
+        auto waylandWindow = dynamic_cast<QtWaylandClient::QWaylandWindow*>(anchorWindow->handle());
+        if (waylandWindow && waylandWindow->waylandSurface()) {
+            anchorSurface = waylandWindow->waylandSurface()->object();
+        }
+    }
+
+    if (!m_ddeShellManager || !m_ddeShellManager->isActive() || !anchorSurface) {
         qWarning() << "WaylandDockHelper::moveXEmbedWindow: not ready, manager active:" 
                    << (m_ddeShellManager && m_ddeShellManager->isActive())
-                   << "surface:" << (m_dockWlSurface != nullptr);
+                   << "surface:" << (anchorSurface != nullptr);
         return false;
     }
 
-    m_ddeShellManager->setXWindowPositionRelative(wid, m_dockWlSurface, dx, dy);
+    struct wl_callback *cb = m_ddeShellManager->setXWindowPositionRelative(wid, anchorSurface, dx, dy);
+
+    // Register wl_callback listener — result arrives asynchronously
+    if (!cb) {
+        qWarning() << "WaylandDockHelper::moveXEmbedWindow: setXWindowPositionRelative returned null callback";
+        Q_EMIT xembedWindowMoveResult(wid, false);
+        return true;
+    }
+
+    struct CallbackData { uint32_t wid; WaylandDockHelper *helper; };
+    static struct wl_callback_listener s_callbackListener = {
+        .done = [](void *data, wl_callback *callback, uint32_t callback_data) {
+            auto *d = static_cast<CallbackData *>(data);
+            bool success = (callback_data == 0);
+            Q_EMIT d->helper->xembedWindowMoveResult(d->wid, success);
+            wl_callback_destroy(callback);
+            delete d;
+        }
+    };
+    wl_callback_add_listener(cb, &s_callbackListener, new CallbackData{wid, this});
+
     return true;
 }
 

panels/dock/waylanddockhelper.h

@@ -31,10 +31,14 @@ class WaylandDockHelper : public DockHelper
     void setDockColorTheme(const ColorTheme &theme);
     QString dockScreenName();
 
-    // Move XEmbed window relative to dock surface
-    // dx, dy: offset relative to dock surface top-left
-    // Returns true if the request was sent successfully
-    bool moveXEmbedWindow(uint32_t wid, double dx, double dy) override;
+    // Move XEmbed window relative to anchor window's surface
+    // anchorWindow: the window containing the plugin item; falls back to dock panel if null
+    // dx, dy: offset relative to anchor window top-left
+    // Returns true if the request was sent (does NOT guarantee completion)
+    bool moveXEmbedWindow(uint32_t wid, double dx, double dy, QQuickWindow *anchorWindow = nullptr) override;
+
+Q_SIGNALS:
+    void xembedWindowMoveResult(uint32_t wid, bool success);
 
 protected:
     bool currentActiveWindowFullscreened() override;