From 482640b8318a07e16b93a459778ef5620062d286 Mon Sep 17 00:00:00 2001
From: rhp <rhp>
Date: Thu, 5 Jul 2001 05:22:00 +0000
Subject: [PATCH] ...

---
 src/frame.c         |  3 ++-
 src/frames.c        | 26 +++++++++++-------
 src/run-metacity.sh |  2 +-
 src/window.c        | 65 ++++++++++++++++++++++++++++++++++++++-------
 4 files changed, 74 insertions(+), 22 deletions(-)

diff --git a/src/frame.c b/src/frame.c
index c76983e55..a326d2ae6 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -182,7 +182,8 @@ meta_frame_get_flags (MetaFrame *frame)
   if (frame->window->has_move_func)
     flags |= META_FRAME_ALLOWS_MOVE;
 
-  if (frame->window->has_resize_func)
+  if (frame->window->has_resize_func &&
+      !frame->window->maximized)
     {
       if (frame->window->size_hints.min_width <
           frame->window->size_hints.max_width)
diff --git a/src/frames.c b/src/frames.c
index 8d23ccf2b..6cefbd8f3 100644
--- a/src/frames.c
+++ b/src/frames.c
@@ -719,29 +719,35 @@ meta_frames_manage_window (MetaFrames *frames,
     while (i < 4)
       {
         int result;
-        
-        result = XGrabButton (gdk_display, i, Mod1Mask,
-                              xwindow, False,
-                              ButtonPressMask | ButtonReleaseMask |    
-                              PointerMotionMask | PointerMotionHintMask,
-                              GrabModeAsync, GrabModeAsync,
-                              False, None);
+
+        gdk_error_trap_push ();
+        XGrabButton (gdk_display, i, Mod1Mask,
+                     xwindow, False,
+                     ButtonPressMask | ButtonReleaseMask |    
+                     PointerMotionMask | PointerMotionHintMask,
+                     GrabModeAsync, GrabModeAsync,
+                     False, None);
+        XSync (gdk_display, False);
+        result = gdk_error_trap_pop ();
 
         if (result != Success)
           meta_warning ("Failed to grab button %d with Mod1Mask for frame 0x%lx error code %d\n",
                         i, xwindow, result);
-
-#if 0
+        
+#if 1
         /* This is just for debugging, since I end up moving
          * the Xnest otherwise ;-)
          */
+        gdk_error_trap_push ();
         result = XGrabButton (gdk_display, i, ControlMask,
                               xwindow, False,
                               ButtonPressMask | ButtonReleaseMask |    
                               PointerMotionMask | PointerMotionHintMask,
                               GrabModeAsync, GrabModeAsync,
                               False, None);
-
+        XSync (gdk_display, False);
+        result = gdk_error_trap_pop ();
+        
         if (result != Success)
           meta_warning ("Failed to grab button %d with ControlMask for frame 0x%lx error code %d\n",
                         i, xwindow, result);        
diff --git a/src/run-metacity.sh b/src/run-metacity.sh
index a05c8e106..7aa123a71 100755
--- a/src/run-metacity.sh
+++ b/src/run-metacity.sh
@@ -16,7 +16,7 @@ fi
 
 if test -z "$ONLY_WM"; then
   Xnest -ac :1 -scrns $SCREENS -geometry 640x400 -bw 15 &
-  usleep 100000
+  usleep 500000
 
   if test $CLIENTS != 0; then
     for I in `seq 1 $CLIENTS`; do
diff --git a/src/window.c b/src/window.c
index 801226c89..66c93031c 100644
--- a/src/window.c
+++ b/src/window.c
@@ -3300,8 +3300,11 @@ constrain_position (MetaWindow *window,
     {
       int nw_x, nw_y;
       int se_x, se_y;
-
-      /* find furthest northwest corner */
+      int offscreen_w, offscreen_h;
+      
+      /* find furthest northwest point the window can occupy,
+       * to disallow moving titlebar off the top or left
+       */
       nw_x = window->screen->active_workspace->workarea.x;
       nw_y = window->screen->active_workspace->workarea.y;
       if (window->frame)
@@ -3310,18 +3313,36 @@ constrain_position (MetaWindow *window,
           nw_y += fgeom->top_height;
         }
       
-      /* don't allow moving titlebar off the top or left */
-      if (x < nw_x)
-        x = nw_x;
-      if (y < nw_y)
-        y = nw_y;
-      
-      /* keep titlebar on bottom right as well (but not entire window) */
+      /* find bottom-right corner of workarea */
       se_x = window->screen->active_workspace->workarea.x +
         window->screen->active_workspace->workarea.width;
       se_y = window->screen->active_workspace->workarea.y +
         window->screen->active_workspace->workarea.height;
 
+      /* if the window's size exceeds the screen size,
+       * we allow it to go off the top/left far enough
+       * to get the right/bottom edges onscreen.
+       */
+      offscreen_w = nw_x + window->rect.width;
+      offscreen_h = nw_y + window->rect.height;
+      if (window->frame)
+        {
+          offscreen_w += fgeom->right_width;
+          offscreen_h += fgeom->bottom_height;
+        }
+
+      offscreen_w = offscreen_w - se_x;
+      offscreen_h = offscreen_h - se_y;
+
+      /* Now change NW limit to reflect amount offscreen in SE direction */
+      if (offscreen_w > 0)
+        nw_x -= offscreen_w;
+      if (offscreen_h > 0)
+        nw_y -= offscreen_h;
+      
+      /* Convert se_x, se_y to the most bottom-right position
+       * the window can occupy
+       */
       if (window->frame)
         {
 #define TITLEBAR_LENGTH_ONSCREEN 10
@@ -3329,11 +3350,35 @@ constrain_position (MetaWindow *window,
           se_y -= fgeom->top_height;
         }
 
+      /* If we have a micro-screen or huge frames maybe nw/se got
+       * swapped
+       */
+      if (nw_x > se_x)
+        {
+          int tmp = nw_x;
+          nw_x = se_x;
+          se_x = tmp;
+        }
+
+      if (nw_y > se_y)
+        {
+          int tmp = nw_y;
+          nw_y = se_y;
+          se_y = tmp;
+        }
+      
+      /* Clamp window to the given positions */
+      if (x < nw_x)
+        x = nw_x;
+      if (y < nw_y)
+        y = nw_y;
+      
       if (x > se_x)
         x = se_x;
       if (y > se_y)
         y = se_y;
-      
+
+      /* If maximized, force the exact position */
       if (window->maximized)
         {
           if (x != nw_x)