* macosx/tkMacOSXXStubs.c (TkpOpenDisplay, TkMacOSXDisplayChanged):

	* macosx/tkMacOSXCarbonEvents.c (TkMacOSXInitCarbonEvents):
	* macosx/tkMacOSXWindowEvent.c (TkMacOSXProcessApplicationEvent):
	* macosx/tkMacOSXInt.h: Trap kEventAppAvailableWindowBoundsChanged
	event to watch for change in display size and adjust internal
	state appropriately.

4 files changed, 110 insertions, 56 deletions

diff --git a/macosx/tkMacOSXCarbonEvents.c b/macosx/tkMacOSXCarbonEvents.c
index 855ab7b..196002a 100644
--- a/macosx/tkMacOSXCarbonEvents.c
+++ b/macosx/tkMacOSXCarbonEvents.c
@@ -60,7 +60,7 @@
  *      software in accordance with the terms specified in this
  *      license.
  *
- * RCS: @(#) $Id: tkMacOSXCarbonEvents.c,v 1.3.2.5 2005/11/27 02:36:46 das Exp $
+ * RCS: @(#) $Id: tkMacOSXCarbonEvents.c,v 1.3.2.6 2005/11/30 01:02:55 hobbs Exp $
  */
 
 #include "tkInt.h"
@@ -196,6 +196,7 @@ TkMacOSXInitCarbonEvents (
 	    {kEventClassWindow,		kEventWindowExpanded},
 	    {kEventClassApplication,	kEventAppHidden},
 	    {kEventClassApplication,	kEventAppShown},
+	    {kEventClassApplication,    kEventAppAvailableWindowBoundsChanged},
     };
     EventHandlerUPP handler = NewEventHandlerUPP(CarbonEventHandlerProc);
 
diff --git a/macosx/tkMacOSXInt.h b/macosx/tkMacOSXInt.h
index 514680a..a6c90f8 100644
--- a/macosx/tkMacOSXInt.h
+++ b/macosx/tkMacOSXInt.h
@@ -9,7 +9,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkMacOSXInt.h,v 1.3.2.6 2005/11/27 02:36:46 das Exp $
+ * RCS: @(#) $Id: tkMacOSXInt.h,v 1.3.2.7 2005/11/30 01:02:55 hobbs Exp $
  */
 
 #ifndef _TKMACINT
@@ -137,15 +137,15 @@ extern int tkUseMenuCascadeRgn;		/* If this is 1, clipping code
 					 * tkMenuCascadeRgn will only
 					 * be valid when the value of this
 					 * variable is 1. */
-extern int tkPictureIsOpen;             /* If this is 1, we are drawing to a picture
-                                         * The clipping should then be done relative
-                                         * to the bounds of the picture rather than the window
-                                         * As of OS X.0.4, something is seriously wrong:
-                                         * The clipping bounds only seem to work if the
-                                         * top,left values are 0,0
-                                         * The destination rectangle for CopyBits
-                                         * should also have top,left values of 0,0
-                                         */
+extern int tkPictureIsOpen;	/* If this is 1, we are drawing to a picture
+				 * The clipping should then be done relative
+				 * to the bounds of the picture rather than
+				 * the window As of OS X.0.4, something is
+				 * seriously wrong: The clipping bounds only
+				 * seem to work if the top,left values are 0,0
+				 * The destination rectangle for CopyBits
+				 * should also have top,left values of 0,0
+				 */
 extern TkMacOSXWindowList *tkMacOSXWindowListPtr;
 					/* The list of toplevels */
 
@@ -166,6 +166,8 @@ extern void* TkMacOSXGetNamedSymbol(const char* module, const char* symbol);
         symbol = TkMacOSXGetNamedSymbol(STRINGIFY(module), STRINGIFY(_##symbol));\
     }
 
+extern void TkMacOSXDisplayChanged(Display *display);
+
 #include "tkIntPlatDecls.h"
 
 #endif /* _TKMACINT */
diff --git a/macosx/tkMacOSXWindowEvent.c b/macosx/tkMacOSXWindowEvent.c
index a653b02..b6c039a 100644
--- a/macosx/tkMacOSXWindowEvent.c
+++ b/macosx/tkMacOSXWindowEvent.c
@@ -54,7 +54,7 @@
  *      software in accordance with the terms specified in this
  *      license.
  *
- * RCS: @(#) $Id: tkMacOSXWindowEvent.c,v 1.3.2.5 2005/11/27 02:36:46 das Exp $
+ * RCS: @(#) $Id: tkMacOSXWindowEvent.c,v 1.3.2.6 2005/11/30 01:02:55 hobbs Exp $
  */
 
 #include "tkMacOSXInt.h"
@@ -106,12 +106,12 @@ TkMacOSXProcessApplicationEvent(
         MacEventStatus *statusPtr)
 {
     Tcl_CmdInfo dummy;
-    
-    /* 
+
+    /*
      * This is a bit of a hack.  We get "show" events both when we come back
-     * from being hidden, and whenever we are activated.  I only want to run the
-     * "show" proc when we have been hidden already, not as a substitute for
-     * <Activate>.  So I use this toggle...
+     * from being hidden, and whenever we are activated.  I only want to run
+     * the "show" proc when we have been hidden already, not as a substitute
+     * for <Activate>.  So I use this toggle...
      */
     static int toggleHide = 0;
 
@@ -129,10 +129,10 @@ TkMacOSXProcessApplicationEvent(
             statusPtr->stopProcessing = 1;
             break;
         case kEventAppHidden:
-        /*
-         * Don't bother if we don't have an interp or
-         * the show preferences procedure doesn't exist.
-         */
+	    /*
+	     * Don't bother if we don't have an interp or
+	     * the show preferences procedure doesn't exist.
+	     */
             toggleHide = 1;
             if ((eventPtr->interp == NULL) || 
                     (Tcl_GetCommandInfo(eventPtr->interp, 
@@ -154,6 +154,14 @@ TkMacOSXProcessApplicationEvent(
             }
             statusPtr->stopProcessing = 1;
             break;
+	case kEventAppAvailableWindowBoundsChanged: {
+            TkDisplay *dispPtr = TkGetDisplayList();
+            TkMacOSXDisplayChanged(dispPtr->display);
+	    /*
+	     * Should we call ::tk::mac::OnDisplayChanged?
+	     */
+	    break;
+	}
         default:
             break;
     }
diff --git a/macosx/tkMacOSXXStubs.c b/macosx/tkMacOSXXStubs.c
index eea58fc..592c760 100644
--- a/macosx/tkMacOSXXStubs.c
+++ b/macosx/tkMacOSXXStubs.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkMacOSXXStubs.c,v 1.2.2.9 2005/11/27 02:36:46 das Exp $
+ * RCS: @(#) $Id: tkMacOSXXStubs.c,v 1.2.2.10 2005/11/30 01:02:55 hobbs Exp $
  */
 
 #include "tkInt.h"
@@ -74,6 +74,46 @@ int _XInitImageFuncPtrs _ANSI_ARGS_((XImage *image));
 /*
  *----------------------------------------------------------------------
  *
+ * TkMacOSXDisplayChanged --
+ *
+ *	Called to set up initial screen info or when an event indicated
+ *	display (screen) change.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	May change info regarding the screen.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkMacOSXDisplayChanged(Display *display)
+{
+    GDHandle graphicsDevice;
+    Screen *screen;
+
+    if (display == NULL || display->screens == NULL) {
+	return;
+    }
+    screen = display->screens;
+
+    graphicsDevice = GetMainDevice();
+    screen->root_depth  = (*(*graphicsDevice)->gdPMap)->cmpSize *
+                               (*(*graphicsDevice)->gdPMap)->cmpCount;
+    screen->height      = (*graphicsDevice)->gdRect.bottom -
+	(*graphicsDevice)->gdRect.top;
+    screen->width       = (*graphicsDevice)->gdRect.right -
+	(*graphicsDevice)->gdRect.left;
+
+    screen->mwidth      = (screen->width * 254 + 360) / 720;
+    screen->mheight     = (screen->height * 254 + 360) / 720;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
  * TkpOpenDisplay --
  *
  *	Create the Display structure and fill it with device
@@ -94,8 +134,8 @@ TkpOpenDisplay(
 {
     Display *display;
     Screen *screen;
-    GDHandle graphicsDevice;
     int      fd = 0;
+
     if (gMacDisplay != NULL) {
 	if (strcmp(gMacDisplay->display->display_name, display_name) == 0) {
 	    return gMacDisplay;
@@ -104,54 +144,57 @@ TkpOpenDisplay(
 	}
     }
     InitCursor();
-     
-    graphicsDevice = GetMainDevice();
+
     display = (Display *) ckalloc(sizeof(Display));
+    screen  = (Screen *) ckalloc(sizeof(Screen));
+    bzero(display, sizeof(Display));
+    bzero(screen, sizeof(Screen));
+
     display->resource_alloc = MacXIdAlloc;
-    screen = (Screen *) ckalloc(sizeof(Screen) * 2);
+    display->request        = 0;
+    display->qlen           = 0;
+    display->fd             = fd;
+    display->screens        = screen;
+    display->nscreens       = 1;
     display->default_screen = 0;
-    display->request = 0;
-    display->nscreens = 1;
-    display->screens = screen;
-    display->display_name = macScreenName;
-    display->qlen = 0;
-    display->fd = fd;
-    display->proto_major_version = 10;
+    display->display_name   = macScreenName;
+
     Gestalt(gestaltQuickdrawVersion, (long*)&display->proto_minor_version);
+    display->proto_major_version = 10;
     display->proto_minor_version -= gestaltMacOSXQD;
     display->vendor = "Apple";
     Gestalt(gestaltSystemVersion, (long*)&display->release);
-    
-    screen->root = ROOT_ID;
-    screen->display = display;
-    screen->root_depth = (*(*graphicsDevice)->gdPMap)->cmpSize *
-                               (*(*graphicsDevice)->gdPMap)->cmpCount;	
-    screen->height = (*graphicsDevice)->gdRect.bottom -
-	(*graphicsDevice)->gdRect.top;
-    screen->width = (*graphicsDevice)->gdRect.right -
-	(*graphicsDevice)->gdRect.left;
-    
-    screen->mwidth = (screen->width * 254 + 360) / 720;
-    screen->mheight = (screen->height * 254 + 360) / 720;
+
+    /*
+     * These screen bits never change
+     */
+    screen->root        = ROOT_ID;
+    screen->display     = display;
     screen->black_pixel = 0x00000000;
     screen->white_pixel = 0x00FFFFFF;
+
     screen->root_visual = (Visual *) ckalloc(sizeof(Visual));
-    screen->root_visual->visualid = 0;
-    screen->root_visual->class = TrueColor;
-    screen->root_visual->red_mask = 0x00FF0000;
-    screen->root_visual->green_mask = 0x0000FF00;
-    screen->root_visual->blue_mask = 0x000000FF;
+    screen->root_visual->visualid     = 0;
+    screen->root_visual->class        = TrueColor;
+    screen->root_visual->red_mask     = 0x00FF0000;
+    screen->root_visual->green_mask   = 0x0000FF00;
+    screen->root_visual->blue_mask    = 0x000000FF;
     screen->root_visual->bits_per_rgb = 24;
-    screen->root_visual->map_entries = 256;
+    screen->root_visual->map_entries  = 256;
+
+    /*
+     * Initialize screen bits that may change
+     */
+    TkMacOSXDisplayChanged(display);
 
     gMacDisplay = (TkDisplay *) ckalloc(sizeof(TkDisplay));
-    
+
     /*
      * This is the quickest way to make sure that all the *Init
      * flags get properly initialized
      */
-    
-    bzero (gMacDisplay, sizeof (TkDisplay));
+
+    bzero(gMacDisplay, sizeof(TkDisplay));
     gMacDisplay->display = display;
     return gMacDisplay;
 }
@@ -931,7 +974,7 @@ XStringListToTextProperty(
     Debugger();
     return (Status) 0;
 }
-void		
+void
 XSetWMClientMachine(
     Display* display, 
     Window w, 
@@ -939,7 +982,7 @@ XSetWMClientMachine(
 {
     Debugger();
 }
-XIC		
+XIC
 XCreateIC(
     void)
 {