cosmetics in one demo

[freeglut] / progs / demos / Resizer / Resizer.cpp

diff --git a/progs/demos/Resizer/Resizer.cpp b/progs/demos/Resizer/Resizer.cpp
index 76d55f7..60d76fe 100644 (file)
--- a/progs/demos/Resizer/Resizer.cpp
+++ b/progs/demos/Resizer/Resizer.cpp
@@ -185,7 +185,10 @@ void Redisplay(void)
          * when the window is on a monitor to the left of the primary monitor\r
          * or simply when maximized--try pressing the maximize button).\r
          * the returned size is the size of the client area\r
+         * Note that the top-left of a child window is relative to the\r
+         * top-left of the client area of the parent.\r
          */\r
+        /* printf("window border: %dpx, caption: %dpx\n",border,caption); */\r
         if (win==nWindow)\r
             printf("main  window %dx%d, top-left of client at: (%d,%d), of window at: (%d,%d)\n",\r
                 nWidth, nHeight,\r
@@ -220,13 +223,19 @@ void Redisplay(void)
 \r
 int main(int argc, char* argv[])\r
 {\r
+    int border, caption;\r
     glutInit( &argc, argv );\r
     glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE /*| GLUT_BORDERLESS*/); // do try as well with GLUT_BORDERLESS and GLUT_CAPTIONLESS\r
     glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE,GLUT_ACTION_GLUTMAINLOOP_RETURNS);\r
-\r
-    /* The window position you request is the outer top-left of the window,\r
-     * the client area is at a different position if the window has borders\r
-     * and/or a title bar.\r
+    \r
+    /* Get border and caption size of default window style */\r
+    border  = glutGet(GLUT_WINDOW_BORDER_WIDTH);\r
+    caption = glutGet(GLUT_WINDOW_HEADER_HEIGHT);\r
+    printf("default window style border: %dpx, caption: %dpx\n",border,caption);\r
+\r
+    /* NB: The window position you request is the outer top-left of the\r
+     * window, the client area is at a different position if the window has\r
+     * borders and/or a title bar.\r
      */\r
     glutInitWindowPosition(150,250);\r
     glutInitWindowSize(200,200);\r