Add a new setExclusiveEdge call in the protocol

This can be used to disambiguate the exclusive edge when the anchors are on a corner (so there would be 2 candidates)

src/interfaces/window.cpp

@@ -27,7 +27,8 @@ public:
     QWindow *parentWindow;
     QString scope = QStringLiteral("window");
     Window::Anchors anchors = {Window::AnchorTop | Window::AnchorBottom | Window::AnchorLeft | Window::AnchorRight};
-    int32_t exclusionZone = 0;
+    QSize exclusionZone;
+    Window::Anchor exclusiveEdge = Window::AnchorNone;
     Window::KeyboardInteractivity keyboardInteractivity = Window::KeyboardInteractivityOnDemand;
     Window::Layer layer = Window::LayerTop;
     QMargins margins;
@@ -55,7 +56,7 @@ Window::Anchors Window::anchors() const
     return d->anchors;
 }
 
-void Window::setExclusiveZone(int32_t zone)
+void Window::setExclusiveZone(const QSize &zone)
 {
     if (d->exclusionZone != zone) {
         d->exclusionZone = zone;
@@ -63,7 +64,7 @@ void Window::setExclusiveZone(int32_t zone)
     }
 }
 
-int32_t Window::exclusionZone() const
+QSize Window::exclusionZone() const
 {
     return d->exclusionZone;
 }

src/interfaces/window.h

@@ -24,7 +24,7 @@ class LAYERSHELLQT_EXPORT Window : public QObject
     Q_PROPERTY(Anchors anchors READ anchors WRITE setAnchors NOTIFY anchorsChanged)
     Q_PROPERTY(QString scope READ scope WRITE setScope)
     Q_PROPERTY(QMargins margins READ margins WRITE setMargins NOTIFY marginsChanged)
-    Q_PROPERTY(qint32 exclusionZone READ exclusionZone WRITE setExclusiveZone NOTIFY exclusionZoneChanged)
+    Q_PROPERTY(QSize exclusionZone READ exclusionZone WRITE setExclusiveZone NOTIFY exclusionZoneChanged)
     Q_PROPERTY(Layer layer READ layer WRITE setLayer NOTIFY layerChanged)
     Q_PROPERTY(KeyboardInteractivity keyboardInteractivity READ keyboardInteractivity WRITE setKeyboardInteractivity NOTIFY keyboardInteractivityChanged)
     Q_PROPERTY(ScreenConfiguration screenConfiguration READ screenConfiguration WRITE setScreenConfiguration)
@@ -33,6 +33,7 @@ public:
     ~Window() override;
 
     enum Anchor {
+        AnchorNone = 0,
         AnchorTop = 1, ///< The top edge of the anchor rectangle
         AnchorBottom = 2, ///< The bottom edge of the anchor rectangle
         AnchorLeft = 4, ///< The left edge of the anchor rectangle
@@ -76,8 +77,8 @@ public:
     void setAnchors(Anchors anchor);
     Anchors anchors() const;
 
-    void setExclusiveZone(int32_t zone);
-    int32_t exclusionZone() const;
+    void setExclusiveZone(const QSize &zone);
+    QSize exclusionZone() const;
 
     void setMargins(const QMargins &margins);
     QMargins margins() const;
@@ -121,6 +122,7 @@ public:
 Q_SIGNALS:
     void anchorsChanged();
     void exclusionZoneChanged();
+    void exclusiveEdgeChanged();
     void marginsChanged();
     void keyboardInteractivityChanged();
     void layerChanged();

src/qwaylandlayersurface.cpp

@@ -122,9 +122,9 @@ void QWaylandLayerSurface::setAnchor(uint anchor)
     setWindowGeometry(window()->windowContentGeometry());
 }
 
-void QWaylandLayerSurface::setExclusiveZone(int32_t zone)
+void QWaylandLayerSurface::setExclusiveZone(const QSize &zone)
 {
-    set_exclusive_zone(zone);
+    set_exclusive_zone(zone.width(), zone.height());
 }
 
 void QWaylandLayerSurface::setMargins(const QMargins &margins)

src/qwaylandlayersurface_p.h

@@ -35,7 +35,7 @@ public:
     void attachPopup(QtWaylandClient::QWaylandShellSurface *popup) override;
 
     void setAnchor(uint32_t anchor);
-    void setExclusiveZone(int32_t zone);
+    void setExclusiveZone(const QSize &zone);
     void setMargins(const QMargins &margins);
     void setKeyboardInteractivity(uint32_t interactivity);
     void setLayer(uint32_t layer);

src/wlr-layer-shell-unstable-v1.xml

@@ -25,7 +25,7 @@
     THIS SOFTWARE.
   </copyright>
 
-  <interface name="zwlr_layer_shell_v1" version="4">
+  <interface name="zwlr_layer_shell_v1" version="5">
     <description summary="create surfaces that are layers of the desktop">
       Clients can use this interface to assign the surface_layer role to
       wl_surfaces. Such surfaces are assigned to a "layer" of the output and
@@ -100,7 +100,7 @@
     </request>
   </interface>
 
-  <interface name="zwlr_layer_surface_v1" version="4">
+  <interface name="zwlr_layer_surface_v1" version="5">
     <description summary="layer metadata interface">
       An interface that may be implemented by a wl_surface, for surfaces that
       are designed to be rendered as a layer of a stacked desktop-like
@@ -184,7 +184,8 @@
 
         Exclusive zone is double-buffered, see wl_surface.commit.
       </description>
-      <arg name="zone" type="int"/>
+      <arg name="horizontal_zone" type="int"/>
+      <arg name="vertical_zone" type="int"/>
     </request>
 
     <request name="set_margin">
@@ -386,5 +387,6 @@
       </description>
       <arg name="layer" type="uint" enum="zwlr_layer_shell_v1.layer" summary="layer to move this surface to"/>
     </request>
+
   </interface>
 </protocol>