Drop CoordinateMode from Client::layoutDecorationRects

It's unused without the padding.

client.cpp

@@ -582,7 +582,7 @@ void Client::triggerDecorationRepaint()
     }
 }
 
-void Client::layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom, Client::CoordinateMode mode) const
+void Client::layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom) const
 {
     if (!m_decoration) {
         return;

client.h

@@ -608,11 +608,7 @@ public:
 
     Position titlebarPosition() const;
 
-    enum CoordinateMode {
-        DecorationRelative, // Relative to the top left corner of the decoration
-        WindowRelative      // Relative to the top left corner of the window
-    };
-    void layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom, CoordinateMode mode) const;
+    void layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom) const;
 
     QWeakPointer<TabBox::TabBoxClientImpl> tabBoxClient() const {
         return m_tabBoxClient.toWeakRef();

decorations/decorationrenderer.cpp

@@ -113,7 +113,7 @@ void X11Renderer::render()
     }
 
     QRect left, top, right, bottom;
-    client()->client()->layoutDecorationRects(left, top, right, bottom, Client::DecorationRelative);
+    client()->client()->layoutDecorationRects(left, top, right, bottom);
 
     const QRect geometry = scheduled.boundingRect();
     left   = left.intersected(geometry);

deleted.cpp

@@ -89,8 +89,7 @@ void Deleted::copyToDeleted(Toplevel* c)
             client->layoutDecorationRects(decoration_left,
                                           decoration_top,
                                           decoration_right,
-                                          decoration_bottom,
-                                          Client::WindowRelative);
+                                          decoration_bottom);
             if (Decoration::DecoratedClientImpl *decoClient = client->decoratedClient()) {
                 if (Decoration::Renderer *renderer = decoClient->renderer()) {
                     m_decorationRenderer = renderer;
@@ -143,7 +142,7 @@ void Deleted::debug(QDebug& stream) const
     stream << "\'ID:" << window() << "\' (deleted)";
 }
 
-void Deleted::layoutDecorationRects(QRect& left, QRect& top, QRect& right, QRect& bottom, int) const
+void Deleted::layoutDecorationRects(QRect& left, QRect& top, QRect& right, QRect& bottom) const
 {
     left = decoration_left;
     top = decoration_top;

deleted.h

@@ -53,7 +53,7 @@ public:
     bool noBorder() const {
         return no_border;
     }
-    void layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom, int unused = 0) const;
+    void layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom) const;
     QRect decorationRect() const;
     virtual Layer layer() const {
         return m_layer;

scene.cpp

@@ -814,7 +814,7 @@ WindowQuadList Scene::Window::buildQuads(bool force) const
         bool isShadedClient = false;
 
         if (client) {
-            client->layoutDecorationRects(rects[0], rects[1], rects[2], rects[3], Client::WindowRelative);
+            client->layoutDecorationRects(rects[0], rects[1], rects[2], rects[3]);
             isShadedClient = client->isShade() || center.isEmpty();
         }
 

scene_opengl.cpp

@@ -2056,7 +2056,7 @@ void SceneOpenGLDecorationRenderer::render()
     }
 
     QRect left, top, right, bottom;
-    client()->client()->layoutDecorationRects(left, top, right, bottom, Client::DecorationRelative);
+    client()->client()->layoutDecorationRects(left, top, right, bottom);
 
     const QRect geometry = scheduled.boundingRect();
 
@@ -2085,7 +2085,7 @@ static int align(int value, int align)
 void SceneOpenGLDecorationRenderer::resizeTexture()
 {
     QRect left, top, right, bottom;
-    client()->client()->layoutDecorationRects(left, top, right, bottom, Client::DecorationRelative);
+    client()->client()->layoutDecorationRects(left, top, right, bottom);
     QSize size;
 
     size.rwidth() = qMax(qMax(top.width(), bottom.width()),

scene_qpainter.cpp

@@ -452,7 +452,7 @@ void SceneQPainter::Window::renderWindowDecorations(QPainter *painter)
                 renderer = r;
             }
         }
-        client->layoutDecorationRects(dlr, dtr, drr, dbr, Client::WindowRelative);
+        client->layoutDecorationRects(dlr, dtr, drr, dbr);
         noBorder = false;
     } else if (deleted && !deleted->noBorder()) {
         noBorder = false;
@@ -681,7 +681,7 @@ void SceneQPainterDecorationRenderer::render()
 void SceneQPainterDecorationRenderer::resizeImages()
 {
     QRect left, top, right, bottom;
-    client()->client()->layoutDecorationRects(left, top, right, bottom, Client::DecorationRelative);
+    client()->client()->layoutDecorationRects(left, top, right, bottom);
 
     auto checkAndCreate = [this](int index, const QSize &size) {
         if (m_images[index].size() != size) {

scene_xrender.cpp

@@ -733,13 +733,13 @@ void SceneXrender::Window::performPaint(int mask, QRegion region, WindowPaintDat
                 }
             }
             noBorder = client->noBorder();
-            client->layoutDecorationRects(dlr, dtr, drr, dbr, Client::WindowRelative);
+            client->layoutDecorationRects(dlr, dtr, drr, dbr);
         }
     }
     if (deleted && !deleted->noBorder()) {
         renderer = static_cast<const SceneXRenderDecorationRenderer*>(deleted->decorationRenderer());
         noBorder = deleted->noBorder();
-        deleted->layoutDecorationRects(dlr, dtr, drr, dbr, Client::WindowRelative);
+        deleted->layoutDecorationRects(dlr, dtr, drr, dbr);
     }
     if (renderer) {
         left   = renderer->picture(SceneXRenderDecorationRenderer::DecorationPart::Left);
@@ -1382,7 +1382,7 @@ void SceneXRenderDecorationRenderer::render()
 void SceneXRenderDecorationRenderer::resizePixmaps()
 {
     QRect left, top, right, bottom;
-    client()->client()->layoutDecorationRects(left, top, right, bottom, Client::DecorationRelative);
+    client()->client()->layoutDecorationRects(left, top, right, bottom);
 
     xcb_connection_t *c = connection();
     auto checkAndCreate = [this, c](int border, const QRect &rect) {