From 71255d3194a5fef96779a56ffc818313200191cb Mon Sep 17 00:00:00 2001
From: Charlie Fenton <charlief@example.com>
Date: Sat, 29 Sep 2007 01:20:42 +0000
Subject: [PATCH] graphics API: Write changed window size only after it has
 stopped changing.

svn path=/trunk/boinc/; revision=13713
---
 api/graphics2_unix.C | 41 +++++++++++++++++++++++++----------------
 checkin_notes        |  8 +++++++-
 2 files changed, 32 insertions(+), 17 deletions(-)

diff --git a/api/graphics2_unix.C b/api/graphics2_unix.C
index 3b13c686cb..a751368cbc 100644
--- a/api/graphics2_unix.C
+++ b/api/graphics2_unix.C
@@ -81,30 +81,39 @@ void mouse_click_move(int x, int y){
 
 static void maybe_render() {
     int new_xpos, new_ypos, new_width, new_height;
+    static int size_changed = 0;
     
     new_xpos = glutGet(GLUT_WINDOW_X);
     new_ypos = glutGet(GLUT_WINDOW_Y);
     new_width = glutGet(GLUT_WINDOW_WIDTH);
     new_height = glutGet(GLUT_WINDOW_HEIGHT);
     
-    if ((! fullscreen) &&
-        ((new_xpos != xpos) || (new_ypos != ypos) || 
-        (new_width != width) || (new_height != height))
-        ) {
-            xpos = new_xpos;
-            ypos = new_ypos;
-            width = new_width;
-            height = new_height;
-            FILE *f = boinc_fopen("gfx_info", "w");
-            if (f) {
-                // ToDo: change this to XML
-                fprintf(f, "%d %d %d %d\n", xpos, ypos, width, height);
-                fclose(f);
-            }
-    }
     
-    if (throttled_app_render(width, height, dtime())) {
+    if (throttled_app_render(new_width, new_height, dtime())) {
         glutSwapBuffers();
+        if (! fullscreen) {
+            // If user has changed window size, wait until it stops 
+            // changing and then write the new dimensions to file
+            if ((new_xpos != xpos) || (new_ypos != ypos) || 
+                (new_width != width) || (new_height != height)
+                ) {
+                    size_changed = 1;
+                    xpos = new_xpos;
+                    ypos = new_ypos;
+                    width = new_width;
+                    height = new_height;
+                } else {
+                    if (++size_changed > 10) {
+                        size_changed = 0;
+                        FILE *f = boinc_fopen("gfx_info", "w");
+                        if (f) {
+                            // ToDo: change this to XML
+                            fprintf(f, "%d %d %d %d\n", xpos, ypos, width, height);
+                            fclose(f);
+                        }
+                    }
+                }               // End if (new size != previous size) else 
+            }                   // End if (! fullscreen)
 #ifdef __APPLE__
         MacGLUTFix(fullscreen);
         if (need_show) {
diff --git a/checkin_notes b/checkin_notes
index 75abd42675..5e618045a6 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -8929,7 +8929,7 @@ Charlie 28 Sep 2007
 
     api/
         graphics2_unix.C
-        
+
 David  28 Sept 2007
     - scheduler: <max_wus_in_progress> option wasn't working,
         because the reply.req structure was getting zeroed
@@ -8938,3 +8938,9 @@ David  28 Sept 2007
     sched/
         handle_request.C
         sched_send.C
+
+Charlie 28 Sep 2007
+    - graphics API: Write changed window size only after it has stopped changing.
+
+    api/
+        graphics2_unix.C