[Bug 533519]: Window placement with multiple screens

7 files changed, 30 insertions, 62 deletions

diff --git a/ChangeLog b/ChangeLog
index 20a06ca..f36f8cc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2012-05-02  Jan Nijtmans  <nijtmans@users.sf.net>
+
+	* library/tk.tcl:    [Bug 533519]: Window placement with multiple screens
+	* generic/tkBind.c:
+	* generic/tkFocus.c:
+	* generic/tkMenuDraw.c:
+	* generic/tkWinWm.c:
+
 2012-04-26  Donal K. Fellows  <dkf@users.sf.net>
 
 	* generic/tkStubInit.c (Tk_GetHINSTANCE): Ensure that this is defined
diff --git a/generic/tkBind.c b/generic/tkBind.c
index abdee59..21bfb5c 100644
--- a/generic/tkBind.c
+++ b/generic/tkBind.c
@@ -2581,33 +2581,13 @@ ExpandPercents(
 	}
 	case 'X':
 	    if (flags & KEY_BUTTON_MOTION_CROSSING) {
-		Tk_Window tkwin;
-		int x, y;
-		int width, height;
-
 		number = eventPtr->xkey.x_root;
-		tkwin = Tk_IdToWindow(eventPtr->xany.display,
-			eventPtr->xany.window);
-		if (tkwin != NULL) {
-		    Tk_GetVRootGeometry(tkwin, &x, &y, &width, &height);
-		    number -= x;
-		}
 		goto doNumber;
 	    }
 	    goto doString;
 	case 'Y':
 	    if (flags & KEY_BUTTON_MOTION_CROSSING) {
-		Tk_Window tkwin;
-		int x, y;
-		int width, height;
-
 		number = eventPtr->xkey.y_root;
-		tkwin = Tk_IdToWindow(eventPtr->xany.display,
-			eventPtr->xany.window);
-		if (tkwin != NULL) {
-		    Tk_GetVRootGeometry(tkwin, &x, &y, &width, &height);
-		    number -= y;
-		}
 		goto doNumber;
 	    }
 	    goto doString;
diff --git a/generic/tkFocus.c b/generic/tkFocus.c
index 42d8be3..4814c17 100644
--- a/generic/tkFocus.c
+++ b/generic/tkFocus.c
@@ -725,7 +725,7 @@ TkFocusKeyEvent(
 {
     DisplayFocusInfo *displayFocusPtr;
     TkWindow *focusWinPtr;
-    int focusX, focusY, vRootX, vRootY, vRootWidth, vRootHeight;
+    int focusX, focusY;
 
     displayFocusPtr = FindDisplayFocusInfo(winPtr->mainPtr, winPtr->dispPtr);
     focusWinPtr = displayFocusPtr->focusWinPtr;
@@ -758,11 +758,9 @@ TkFocusKeyEvent(
 	    eventPtr->xkey.x = -1;
 	    eventPtr->xkey.y = -1;
 	} else {
-	    Tk_GetVRootGeometry((Tk_Window) focusWinPtr, &vRootX, &vRootY,
-		    &vRootWidth, &vRootHeight);
 	    Tk_GetRootCoords((Tk_Window) focusWinPtr, &focusX, &focusY);
-	    eventPtr->xkey.x = eventPtr->xkey.x_root - vRootX - focusX;
-	    eventPtr->xkey.y = eventPtr->xkey.y_root - vRootY - focusY;
+	    eventPtr->xkey.x = eventPtr->xkey.x_root - focusX;
+	    eventPtr->xkey.y = eventPtr->xkey.y_root - focusY;
 	}
 	eventPtr->xkey.window = focusWinPtr->window;
 	return focusWinPtr;
diff --git a/generic/tkMenuDraw.c b/generic/tkMenuDraw.c
index d2a66d3..65aa591 100644
--- a/generic/tkMenuDraw.c
+++ b/generic/tkMenuDraw.c
@@ -844,7 +844,7 @@ TkPostTearoffMenu(
 				 * posting */
 {
     int vRootX, vRootY, vRootWidth, vRootHeight;
-    int tmp, result;
+    int result;
 
     TkActivateMenuEntry(menuPtr, -1);
     TkRecomputeMenu(menuPtr);
@@ -877,31 +877,21 @@ TkPostTearoffMenu(
      * 2. The menu may not have been mapped yet, so its current size might be
      *    the default 1x1. To compute how much space it needs, use its
      *    requested size, not its actual size.
-     *
-     * Note that this code assumes square screen regions and all positive
-     * coordinates. This does not work on a Mac with multiple monitors. But
-     * then again, Tk has other problems with this.
      */
 
     Tk_GetVRootGeometry(Tk_Parent(menuPtr->tkwin), &vRootX, &vRootY,
 	&vRootWidth, &vRootHeight);
-    x += vRootX;
-    y += vRootY;
-    tmp = WidthOfScreen(Tk_Screen(menuPtr->tkwin))
-	- Tk_ReqWidth(menuPtr->tkwin);
-    if (x > tmp) {
-	x = tmp;
+    if (x > vRootX + vRootWidth) {
+	x = vRootX + vRootWidth;
     }
-    if (x < 0) {
-	x = 0;
+    if (x < vRootX) {
+	x = vRootX;
     }
-    tmp = HeightOfScreen(Tk_Screen(menuPtr->tkwin))
-	- Tk_ReqHeight(menuPtr->tkwin);
-    if (y > tmp) {
-	y = tmp;
+    if (y > vRootY + vRootHeight) {
+	y = vRootY + vRootHeight;
     }
-    if (y < 0) {
-	y = 0;
+    if (y < vRootY) {
+	y = vRootY;
     }
     Tk_MoveToplevelWindow(menuPtr->tkwin, x, y);
     if (!Tk_IsMapped(menuPtr->tkwin)) {
diff --git a/generic/tkStubInit.c b/generic/tkStubInit.c
index 6af8946..02038a8 100644
--- a/generic/tkStubInit.c
+++ b/generic/tkStubInit.c
@@ -94,6 +94,12 @@ static void *Tk_GetHINSTANCE()
 	    (const char *) &tkIntStubs, &hInstance);
     return hInstance;
 }
+	    /* TODO: To be implemented for Cygwin */
+#	    define Tk_AttachHWND		0
+#	    define Tk_GetHWND		0
+#	    define Tk_HWNDToWindow		0
+#	    define Tk_PointerEvent		0
+#	    define Tk_TranslateWinEvent	0
 
 #	else /* !__CYGWIN__ */
 #	    define TkPutImage		0
diff --git a/library/tk.tcl b/library/tk.tcl
index a852a0b..b43b56a 100644
--- a/library/tk.tcl
+++ b/library/tk.tcl
@@ -112,10 +112,6 @@ proc ::tk::PlaceWindow {w {place ""} {anchor ""}} {
 	set y [expr {([winfo screenheight $w]-[winfo reqheight $w])/2}]
 	set checkBounds 0
     }
-    if {[tk windowingsystem] eq "win32"} {
-        # Bug 533519: win32 multiple desktops may produce negative geometry.
-        set checkBounds 0
-    }
     if {$checkBounds} {
 	if {$x < [winfo vrootx $w]} {
 	    set x [winfo vrootx $w]
diff --git a/win/tkWinWm.c b/win/tkWinWm.c
index 2df9b2e..8a9b2af 100644
--- a/win/tkWinWm.c
+++ b/win/tkWinWm.c
@@ -6482,20 +6482,10 @@ Tk_GetVRootGeometry(
     int *widthPtr, int *heightPtr)
 				/* Store dimensions of virtual root here. */
 {
-    TkWindow *winPtr = (TkWindow *) tkwin;
-
-    /*
-     * XXX: This is not correct for multiple monitors. There may be many
-     * changes required to get this right, and it may effect existing
-     * applications that don't consider possible <0 vroot. See
-     * http://msdn.microsoft.com/library/en-us/gdi/monitor_3lrn.asp for more
-     * info.
-     */
-
-    *xPtr = 0;
-    *yPtr = 0;
-    *widthPtr = DisplayWidth(winPtr->display, winPtr->screenNum);
-    *heightPtr = DisplayHeight(winPtr->display, winPtr->screenNum);
+    *xPtr = GetSystemMetrics(SM_XVIRTUALSCREEN);
+    *yPtr = GetSystemMetrics(SM_YVIRTUALSCREEN);
+    *widthPtr = GetSystemMetrics(SM_CXVIRTUALSCREEN);
+    *heightPtr = GetSystemMetrics(SM_CYVIRTUALSCREEN);
 }
 
 /*