1 files changed, 46 insertions, 29 deletions

diff --git a/nx-X11/lib/X11/SetNrmHint.c b/nx-X11/lib/X11/SetNrmHint.c
index ec9e7cfb4..937f4eb6b 100644
--- a/nx-X11/lib/X11/SetNrmHint.c
+++ b/nx-X11/lib/X11/SetNrmHint.c
@@ -59,15 +59,16 @@ from The Open Group.
 #include <nx-X11/Xatom.h>
 #include <nx-X11/Xos.h>
 
-void XSetWMSizeHints (dpy, w, hints, prop)
-    Display *dpy;
-    Window w;
-    XSizeHints *hints;
-    Atom prop;
+void XSetWMSizeHints (
+    Display *dpy,
+    Window w,
+    XSizeHints *hints,
+    Atom prop)
 {
     xPropSizeHints data;
 
-    data.flags = (hints->flags & 
+    memset(&data, 0, sizeof(data));
+    data.flags = (hints->flags &
 		  (USPosition|USSize|PPosition|PSize|PMinSize|PMaxSize|
 		   PResizeInc|PAspect|PBaseSize|PWinGravity));
 
@@ -75,35 +76,51 @@ void XSetWMSizeHints (dpy, w, hints, prop)
      * The x, y, width, and height fields are obsolete; but, applications
      * that want to work with old window managers might set them.
      */
-    data.x = hints->x;
-    data.y = hints->y;
-    data.width = hints->width;
-    data.height = hints->height;
-
-    data.minWidth = hints->min_width;
-    data.minHeight = hints->min_height;
-    data.maxWidth  = hints->max_width;
-    data.maxHeight = hints->max_height;
-    data.widthInc = hints->width_inc;
-    data.heightInc = hints->height_inc;
-    data.minAspectX = hints->min_aspect.x;
-    data.minAspectY = hints->min_aspect.y;
-    data.maxAspectX = hints->max_aspect.x;
-    data.maxAspectY = hints->max_aspect.y;
-    data.baseWidth = hints->base_width;
-    data.baseHeight = hints->base_height;
-    data.winGravity = hints->win_gravity;
-   
+    if (hints->flags & (USPosition|PPosition)) {
+	data.x = hints->x;
+	data.y = hints->y;
+    }
+    if (hints->flags & (USSize|PSize)) {
+	data.width = hints->width;
+	data.height = hints->height;
+    }
+
+    if (hints->flags & PMinSize) {
+	data.minWidth = hints->min_width;
+	data.minHeight = hints->min_height;
+    }
+    if (hints->flags & PMaxSize) {
+	data.maxWidth  = hints->max_width;
+	data.maxHeight = hints->max_height;
+    }
+    if (hints->flags & PResizeInc) {
+	data.widthInc = hints->width_inc;
+	data.heightInc = hints->height_inc;
+    }
+    if (hints->flags & PAspect) {
+	data.minAspectX = hints->min_aspect.x;
+	data.minAspectY = hints->min_aspect.y;
+	data.maxAspectX = hints->max_aspect.x;
+	data.maxAspectY = hints->max_aspect.y;
+    }
+    if (hints->flags & PBaseSize) {
+	data.baseWidth = hints->base_width;
+	data.baseHeight = hints->base_height;
+    }
+    if (hints->flags & PWinGravity) {
+	data.winGravity = hints->win_gravity;
+    }
+
     XChangeProperty (dpy, w, prop, XA_WM_SIZE_HINTS, 32,
 		     PropModeReplace, (unsigned char *) &data,
 		     NumPropSizeElements);
 }
 
 
-void XSetWMNormalHints (dpy, w, hints)
-    Display *dpy;
-    Window w;
-    XSizeHints *hints;
+void XSetWMNormalHints (
+    Display *dpy,
+    Window w,
+    XSizeHints *hints)
 {
     XSetWMSizeHints (dpy, w, hints, XA_WM_NORMAL_HINTS);
 }