From 5dc4b1d85d9ab2e44805c3ef2b277a26419e7465 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Tue, 29 Jan 2013 08:20:53 +0100
Subject: [PATCH] Port of mousemark effect to XCB

---
 effects/mousemark/mousemark.cpp | 21 +++++++++++++--------
 effects/mousemark/mousemark.h   |  4 +++-
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/effects/mousemark/mousemark.cpp b/effects/mousemark/mousemark.cpp
index 23f67a307f..5a0c8351bc 100644
--- a/effects/mousemark/mousemark.cpp
+++ b/effects/mousemark/mousemark.cpp
@@ -35,6 +35,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <kdebug.h>
 
+#ifdef KWIN_HAVE_XRENDER_COMPOSITING
+#include <xcb/render.h>
+#endif
+
 namespace KWin
 {
 
@@ -76,7 +80,7 @@ void MouseMarkEffect::reconfigure(ReconfigureFlags)
 }
 
 #ifdef KWIN_HAVE_XRENDER_COMPOSITING
-void MouseMarkEffect::addRect(const QPoint &p1, const QPoint &p2, XRectangle *r, XRenderColor *c)
+void MouseMarkEffect::addRect(const QPoint &p1, const QPoint &p2, xcb_rectangle_t *r, xcb_render_color_t *c)
 {
     r->x = qMin(p1.x(), p2.x()) - width_2;
     r->y = qMin(p1.y(), p2.y()) - width_2;
@@ -85,7 +89,7 @@ void MouseMarkEffect::addRect(const QPoint &p1, const QPoint &p2, XRectangle *r,
     // fast move -> large rect, <strike>tess...</strike> interpolate a line
     if (r->width > 3*width/2 && r->height > 3*width/2) {
         const int n = sqrt(r->width*r->width + r->height*r->height) / width;
-        XRectangle *rects = new XRectangle[n-1];
+        xcb_rectangle_t *rects = new xcb_rectangle_t[n-1];
         const int w = p1.x() < p2.x() ? r->width : -r->width;
         const int h = p1.y() < p2.y() ? r->height : -r->height;
         for (int i = 1; i < n; ++i) {
@@ -93,7 +97,7 @@ void MouseMarkEffect::addRect(const QPoint &p1, const QPoint &p2, XRectangle *r,
             rects[i-1].y = p1.y() + i*h/n;
             rects[i-1].width = rects[i-1].height = width;
         }
-        XRenderFillRectangles(display(), PictOpSrc, effects->xrenderBufferPicture(), c, rects, n - 1);
+        xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, effects->xrenderBufferPicture(), *c, n - 1, rects);
         delete [] rects;
         r->x = p1.x();
         r->y = p1.y();
@@ -143,24 +147,25 @@ void MouseMarkEffect::paintScreen(int mask, QRegion region, ScreenPaintData& dat
     }
 #ifdef KWIN_HAVE_XRENDER_COMPOSITING
     if ( effects->compositingType() == XRenderCompositing) {
-        XRenderColor c = preMultiply(color);
+        XRenderColor xc = preMultiply(color);
+        xcb_render_color_t c = {xc.red, xc.green, xc.blue, xc.alpha};
         for (int i = 0; i < marks.count(); ++i) {
             const int n = marks[i].count() - 1;
             if (n > 0) {
-                XRectangle *rects = new XRectangle[n];
+                xcb_rectangle_t *rects = new xcb_rectangle_t[n];
                 for (int j = 0; j < marks[i].count()-1; ++j) {
                     addRect(marks[i][j], marks[i][j+1], &rects[j], &c);
                 }
-                XRenderFillRectangles(display(), PictOpSrc, effects->xrenderBufferPicture(), &c, rects, n);
+                xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, effects->xrenderBufferPicture(), c, n, rects);
                 delete [] rects;
             }
         }
         const int n = drawing.count() - 1;
         if (n > 0) {
-            XRectangle *rects = new XRectangle[n];
+            xcb_rectangle_t *rects = new xcb_rectangle_t[n];
             for (int i = 0; i < n; ++i)
                 addRect(drawing[i], drawing[i+1], &rects[i], &c);
-            XRenderFillRectangles(display(), PictOpSrc, effects->xrenderBufferPicture(), &c, rects, n);
+            xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, effects->xrenderBufferPicture(), c, n, rects);
             delete [] rects;
         }
     }
diff --git a/effects/mousemark/mousemark.h b/effects/mousemark/mousemark.h
index 34372cd033..e4bcf13b81 100644
--- a/effects/mousemark/mousemark.h
+++ b/effects/mousemark/mousemark.h
@@ -25,6 +25,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <kwinglutils.h>
 #include <kwinxrenderutils.h>
 
+struct xcb_render_color_t;
+
 namespace KWin
 {
 
@@ -58,7 +60,7 @@ private:
     typedef QVector< QPoint > Mark;
     static Mark createArrow(QPoint arrow_start, QPoint arrow_end);
 #ifdef KWIN_HAVE_XRENDER_COMPOSITING
-    void addRect(const QPoint &p1, const QPoint &p2, XRectangle *r, XRenderColor *c);
+    void addRect(const QPoint &p1, const QPoint &p2, xcb_rectangle_t *r, xcb_render_color_t *c);
 #endif
     QVector< Mark > marks;
     Mark drawing;