From cf2e3312cff3f341e9edba8c321a4ca7ffd8748e Mon Sep 17 00:00:00 2001
From: Jeremy Huddleston <jeremyhu@freedesktop.org>
Date: Sun, 27 Sep 2009 23:09:51 -0700
Subject: Rootless: Correct border rendering on parent-relative windows

Resurected code from the punted RootlessPaintBackground/Border and added it conditionally to miPaintWindow
---
 mi/miexpose.c                   | 21 +++++++++++++++++++++
 mi/miwindow.c                   |  1 +
 miext/rootless/rootlessWindow.c | 26 ++++++++++++++++++++++++++
 3 files changed, 48 insertions(+)

diff --git a/mi/miexpose.c b/mi/miexpose.c
index 6ce56ee85..1c9c3a436 100644
--- a/mi/miexpose.c
+++ b/mi/miexpose.c
@@ -518,6 +518,14 @@ miWindowExposures( WindowPtr pWin, RegionPtr prgn, RegionPtr other_exposed)
 	REGION_DESTROY( pWin->drawable.pScreen, exposures);
 }
 
+#ifdef ROOTLESS
+/* Ugly, ugly, but we lost our hooks into miPaintWindow... =/ */
+void RootlessSetPixmapOfAncestors(WindowPtr pWin);
+void RootlessStartDrawing(WindowPtr pWin);
+void RootlessDamageRegion(WindowPtr pWin, RegionPtr prgn);
+Bool IsFramedWindow(WindowPtr pWin);
+#endif 
+
 void
 miPaintWindow(WindowPtr pWin, RegionPtr prgn, int what)
 {
@@ -543,6 +551,19 @@ miPaintWindow(WindowPtr pWin, RegionPtr prgn, int what)
     Bool	solid = TRUE;
     DrawablePtr	drawable = &pWin->drawable;
 
+#ifdef ROOTLESS
+    if(IsFramedWindow(pWin)) {
+        RootlessStartDrawing(pWin);
+        RootlessDamageRegion(pWin, prgn);
+    
+        if(pWin->backgroundState == ParentRelative) {
+            if((what == PW_BACKGROUND) || 
+               (what == PW_BORDER && !pWin->borderIsPixel))
+                RootlessSetPixmapOfAncestors(pWin);
+        }
+    }
+#endif
+    
     if (what == PW_BACKGROUND)
     {
 	while (pWin->backgroundState == ParentRelative)
diff --git a/mi/miwindow.c b/mi/miwindow.c
index 31c028482..c2333938e 100644
--- a/mi/miwindow.c
+++ b/mi/miwindow.c
@@ -1,3 +1,4 @@
+
 /***********************************************************
 
 Copyright 1987, 1998  The Open Group
diff --git a/miext/rootless/rootlessWindow.c b/miext/rootless/rootlessWindow.c
index e273d0e38..d43301fc1 100644
--- a/miext/rootless/rootlessWindow.c
+++ b/miext/rootless/rootlessWindow.c
@@ -1684,3 +1684,29 @@ RootlessShowAllWindows (void)
         RootlessScreenExpose (pScreen);
     }
 }
+
+/*
+ * SetPixmapOfAncestors
+ *  Set the Pixmaps on all ParentRelative windows up the ancestor chain.
+ */
+void
+RootlessSetPixmapOfAncestors(WindowPtr pWin)
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+    WindowPtr topWin = TopLevelParent(pWin);
+    RootlessWindowRec *topWinRec = WINREC(topWin);
+    
+    while (pWin->backgroundState == ParentRelative) {
+        if (pWin == topWin) {
+            // disallow ParentRelative background state on top level
+            XID pixel = 0;
+            ChangeWindowAttributes(pWin, CWBackPixel, &pixel, serverClient);
+            RL_DEBUG_MSG("Cleared ParentRelative on 0x%x.\n", pWin);
+            break;
+        }
+        
+        pWin = pWin->parent;
+        pScreen->SetWindowPixmap(pWin, topWinRec->pixmap);
+    }
+}
+
-- 
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