From bad5e1cda6ecf8698398fcc230b05e4e40337026 Mon Sep 17 00:00:00 2001
From: Olivier Fourdan <fourdan.olivier@wanadoo.fr>
Date: Sun, 5 Apr 2009 17:00:43 +0000
Subject: 	* src/compositor.c: Check fullscreen status against each
 monitor and not 	  just the overall screen size in the compositor

(Old svn revision: 29704)
---
 ChangeLog        |  5 +++++
 NEWS             |  2 ++
 src/compositor.c | 38 ++++++++++++++++++++++++++++++--------
 3 files changed, 37 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index c5623a727..6401c53a0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-04-05	olivier
+
+	* src/compositor.c: Check fullscreen status against each monitor and not
+	  just the overall screen size in the compositor
+
 2009-03-28	olivier
 
 	* src/netwm.c: Keep window layer when status is above, below or 
diff --git a/NEWS b/NEWS
index 4e8599960..5456292c8 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,8 @@
 - Do not go over adjacent windows with fill (Bug #5152)
 - Do not actually change window layer when status is above, below or fullscreen
   (Bug #5030)
+- Check fullscreen status against each monitor and not just the overall screen
+  size in the compositor. 
 
 4.6.0
 =====
diff --git a/src/compositor.c b/src/compositor.c
index 4c30916fa..b352ee7cb 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -73,10 +73,6 @@
 #define WIN_IS_ARGB(cw)                 (cw->argb)
 #define WIN_IS_OPAQUE(cw)               ((cw->opacity == NET_WM_OPAQUE) && !WIN_IS_ARGB(cw))
 #define WIN_IS_NATIVE_OPAQUE(cw)        ((cw->native_opacity) && !WIN_IS_ARGB(cw))
-#define WIN_IS_FULLSCREEN(cw)           ((cw->attr.x <= 0) && \
-                                           (cw->attr.y <= 0) && \
-                                           (cw->attr.width + 2 * cw->attr.border_width >= cw->screen_info->width) && \
-                                           (cw->attr.height + 2 * cw->attr.border_width >= cw->screen_info->height))
 #define WIN_IS_SHAPED(cw)               ((WIN_HAS_CLIENT(cw) && FLAG_TEST (cw->c->flags, CLIENT_FLAG_HAS_SHAPE)) || \
                                            (WIN_IS_OVERRIDE(cw) && (cw->shaped)))
 #define WIN_IS_VIEWABLE(cw)             (cw->viewable)
@@ -188,6 +184,32 @@ is_shaped (DisplayInfo *display_info, Window id)
     return FALSE;
 }
 
+static gboolean
+is_fullscreen (CWindow *cw)
+{
+    GdkRectangle rect;
+
+    /* First, check the good old way, the window is larger than the screen size */
+    if ((cw->attr.x <= 0) &&
+        (cw->attr.y <= 0) &&
+        (cw->attr.width + 2 * cw->attr.border_width >= cw->screen_info->width) &&
+        (cw->attr.height + 2 * cw->attr.border_width >= cw->screen_info->height))
+    {
+        return TRUE;
+    }
+
+    /* Next check against the monitors which compose the entire screen */
+    myScreenFindMonitorAtPoint (cw->screen_info,
+                                cw->attr.x + (cw->attr.width + 2 * cw->attr.border_width) / 2,
+                                cw->attr.y + (cw->attr.height + 2 * cw->attr.border_width) / 2,
+                                &rect);
+
+    return ((cw->attr.x == rect.x) &&
+            (cw->attr.y == rect.y) &&
+            (cw->attr.width + 2 * cw->attr.border_width == rect.width) &&
+            (cw->attr.height + 2 * cw->attr.border_width == rect.height));
+}
+
 static gdouble
 gaussian (gdouble r, gdouble x, gdouble y)
 {
@@ -928,8 +950,8 @@ win_extents (CWindow *cw)
 
     if ((screen_info->params->show_popup_shadow &&
               WIN_IS_OVERRIDE(cw) &&
-              !WIN_IS_FULLSCREEN(cw) &&
-              !(WIN_IS_ARGB(cw) || WIN_IS_SHAPED(cw))) ||
+              !(WIN_IS_ARGB(cw) || WIN_IS_SHAPED(cw)) &&
+              !is_fullscreen(cw)) ||
           (screen_info->params->show_frame_shadow &&
               !WIN_IS_OVERRIDE(cw) &&
               !WIN_NO_SHADOW(cw) &&
@@ -1745,7 +1767,7 @@ map_win (CWindow *cw)
 
     if (!WIN_IS_REDIRECTED(cw))
     {
-        cw->fulloverlay = WIN_IS_FULLSCREEN(cw);
+        cw->fulloverlay = is_fullscreen(cw);
         if (cw->fulloverlay)
         {
             /*
@@ -1778,7 +1800,7 @@ map_win (CWindow *cw)
     }
 
     /* Check for new windows to un-redirect. */
-    if ((WIN_IS_FULLSCREEN(cw) || (screen_info->wins_unredirected > 0)) && WIN_HAS_DAMAGE(cw) && WIN_IS_OVERRIDE(cw) &&
+    if (((screen_info->wins_unredirected > 0) || is_fullscreen(cw)) && WIN_HAS_DAMAGE(cw) && WIN_IS_OVERRIDE(cw) &&
         WIN_IS_NATIVE_OPAQUE(cw) && WIN_IS_REDIRECTED(cw) && !WIN_IS_SHAPED(cw))
     {
         CWindow *top;
-- 
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