Review branch for merge of Tk-Cocoa into Tk 8.5 main branch

1 files changed, 251 insertions, 853 deletions

diff --git a/macosx/tkMacOSXMouseEvent.c b/macosx/tkMacOSXMouseEvent.c
index 46398f6..f57c184 100644
--- a/macosx/tkMacOSXMouseEvent.c
+++ b/macosx/tkMacOSXMouseEvent.c
@@ -1,58 +1,16 @@
 /*
  * tkMacOSXMouseEvent.c --
  *
- *	This file implements functions that decode & handle mouse events
- *	on MacOS X.
+ *	This file implements functions that decode & handle mouse events on
+ *	MacOS X.
  *
- * Copyright 2001, Apple Computer, Inc.
- * Copyright (c) 2005-2007 Daniel A. Steffen <das@users.sourceforge.net>
+ * Copyright 2001-2009, Apple Inc.
+ * Copyright (c) 2005-2009 Daniel A. Steffen <das@users.sourceforge.net>
  *
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- *	The following terms apply to all files originating from Apple
- *	Computer, Inc. ("Apple") and associated with the software
- *	unless explicitly disclaimed in individual files.
- *
- *
- *	Apple hereby grants permission to use, copy, modify,
- *	distribute, and license this software and its documentation
- *	for any purpose, provided that existing copyright notices are
- *	retained in all copies and that this notice is included
- *	verbatim in any distributions. No written agreement, license,
- *	or royalty fee is required for any of the authorized
- *	uses. Modifications to this software may be copyrighted by
- *	their authors and need not follow the licensing terms
- *	described here, provided that the new terms are clearly
- *	indicated on the first page of each file where they apply.
- *
- *
- *	IN NO EVENT SHALL APPLE, THE AUTHORS OR DISTRIBUTORS OF THE
- *	SOFTWARE BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL,
- *	INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF
- *	THIS SOFTWARE, ITS DOCUMENTATION, OR ANY DERIVATIVES THEREOF,
- *	EVEN IF APPLE OR THE AUTHORS HAVE BEEN ADVISED OF THE
- *	POSSIBILITY OF SUCH DAMAGE.  APPLE, THE AUTHORS AND
- *	DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING,
- *	BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
- *	FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.	 THIS
- *	SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND APPLE,THE
- *	AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
- *	MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- *	GOVERNMENT USE: If you are acquiring this software on behalf
- *	of the U.S. government, the Government shall have only
- *	"Restricted Rights" in the software and related documentation
- *	as defined in the Federal Acquisition Regulations (FARs) in
- *	Clause 52.227.19 (c) (2).  If you are acquiring the software
- *	on behalf of the Department of Defense, the software shall be
- *	classified as "Commercial Computer Software" and the
- *	Government shall have only "Restricted Rights" as defined in
- *	Clause 252.227-7013 (c) (1) of DFARs.  Notwithstanding the
- *	foregoing, the authors grant the U.S. Government and others
- *	acting in its behalf permission to use and distribute the
- *	software in accordance with the terms specified in this
- *	license.
+ * RCS: @(#) $Id$
  */
 
 #include "tkMacOSXPrivate.h"
@@ -61,698 +19,198 @@
 #include "tkMacOSXDebug.h"
 
 typedef struct {
-    WindowRef	   whichWin;
-    WindowRef	   activeNonFloating;
-    WindowPartCode windowPart;
-    unsigned int   state;
-    long	   delta;
-    Window	   window;
-    Point	   global;
-    Point	   local;
+    unsigned int state;
+    long delta;
+    Window window;
+    Point global;
+    Point local;
 } MouseEventData;
 
-/*
- * Declarations of static variables used in this file.
- */
+static int		GenerateButtonEvent(MouseEventData *medPtr);
+static unsigned int	ButtonModifiers2State(UInt32 buttonState,
+			    UInt32 keyModifiers);
 
-static int gEatButtonUp = 0;	   /* 1 if we need to eat the next up event */
+#pragma mark TKApplication(TKMouseEvent)
 
-/*
- * Declarations of functions used only in this file.
- */
+enum {
+    NSWindowWillMoveEventType = 20
+};
 
-static void BringWindowForward(WindowRef wRef, int isFrontProcess,
-	int frontWindowOnly);
-static int GeneratePollingEvents(MouseEventData * medPtr);
-static int GenerateMouseWheelEvent(MouseEventData * medPtr);
-static int GenerateButtonEvent(MouseEventData * medPtr);
-static int GenerateToolbarButtonEvent(MouseEventData * medPtr);
-static int HandleWindowTitlebarMouseDown(MouseEventData * medPtr, Tk_Window tkwin);
-static unsigned int ButtonModifiers2State(UInt32 buttonState, UInt32 keyModifiers);
-static Tk_Window GetGrabWindowForWindow(Tk_Window tkwin);
+@implementation TKApplication(TKMouseEvent)
+- (NSEvent *)tkProcessMouseEvent:(NSEvent *)theEvent {
+#ifdef TK_MAC_DEBUG_EVENTS
+    TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, theEvent);
+#endif
+    id		    win;
+    NSEventType	    type = [theEvent type];
+#if 0
+    NSTrackingArea  *trackingArea = nil;
+    NSInteger eventNumber, clickCount, buttonNumber;
+#endif
 
-static int TkMacOSXGetEatButtonUp(void);
-static void TkMacOSXSetEatButtonUp(int f);
+    switch (type) {
+    case NSMouseEntered:
+    case NSMouseExited:
+    case NSCursorUpdate:
+#if 0
+	trackingArea = [theEvent trackingArea];
+#endif
+	/* fall through */
+    case NSLeftMouseDown:
+    case NSLeftMouseUp:
+    case NSRightMouseDown:
+    case NSRightMouseUp:
+    case NSOtherMouseDown:
+    case NSOtherMouseUp:
+
+    case NSLeftMouseDragged:
+    case NSRightMouseDragged:
+    case NSOtherMouseDragged:
+
+    case NSMouseMoved:
+#if 0
+	eventNumber = [theEvent eventNumber];
+	if (!trackingArea) {
+	    clickCount = [theEvent clickCount];
+	    buttonNumber = [theEvent buttonNumber];
+	}
+#endif
 
-
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXProcessMouseEvent --
- *
- *	This routine processes the event in eventPtr, and
- *	generates the appropriate Tk events from it.
- *
- * Results:
- *	True if event(s) are generated - false otherwise.
- *
- * Side effects:
- *	Additional events may be place on the Tk event queue.
- *
- *----------------------------------------------------------------------
- */
+    case NSTabletPoint:
+    case NSTabletProximity:
 
-MODULE_SCOPE int
-TkMacOSXProcessMouseEvent(TkMacOSXEvent *eventPtr, MacEventStatus * statusPtr)
-{
-    Tk_Window tkwin;
-    Point where, where2;
-    int result;
-    TkDisplay * dispPtr;
-    OSStatus err;
-    MouseEventData mouseEventData, * medPtr = &mouseEventData;
-    int isFrontProcess;
+    case NSScrollWheel:
+	win = [self windowWithWindowNumber:[theEvent windowNumber]];
+        break;
 
-    switch (eventPtr->eKind) {
-	case kEventMouseDown:
-	case kEventMouseUp:
-	case kEventMouseMoved:
-	case kEventMouseDragged:
-	case kEventMouseWheelMoved:
-	    break;
-	default:
-	    return false;
-	    break;
-    }
-    err = ChkErr(GetEventParameter, eventPtr->eventRef,
-	    kEventParamMouseLocation,
-	    typeQDPoint, NULL,
-	    sizeof(where), NULL,
-	    &where);
-    if (err != noErr) {
-	GetGlobalMouse(&where);
-    }
-    err = ChkErr(GetEventParameter, eventPtr->eventRef,
-	    kEventParamWindowRef,
-	    typeWindowRef, NULL,
-	    sizeof(WindowRef), NULL,
-	    &medPtr->whichWin);
-    if (err == noErr) {
-	err = ChkErr(GetEventParameter, eventPtr->eventRef,
-		kEventParamWindowPartCode,
-		typeWindowPartCode, NULL,
-		sizeof(WindowPartCode), NULL,
-		&medPtr->windowPart);
-    }
-    if (err != noErr) {
-	medPtr->windowPart = FindWindow(where, &medPtr->whichWin);
+    default:
+	return theEvent;
+	break;
     }
-    medPtr->window = TkMacOSXGetXWindow(medPtr->whichWin);
-    if (medPtr->whichWin != NULL && medPtr->window == None) {
-	return false;
+
+    NSPoint global, local = [theEvent locationInWindow];
+    if (win) {
+	global = [win convertBaseToScreen:local];
+	local.y = [win frame].size.height - local.y;
+	global.y = tkMacOSXZeroScreenHeight - global.y;
+    } else {
+	local.y = tkMacOSXZeroScreenHeight - local.y;
+	global = local;
     }
-    if (eventPtr->eKind == kEventMouseDown) {
-	if (IsWindowActive(medPtr->whichWin) && IsWindowPathSelectEvent(
-		medPtr->whichWin, eventPtr->eventRef)) {
-	    ChkErr(WindowPathSelect, medPtr->whichWin, NULL, NULL);
-	    return false;
-	}
-	if (medPtr->windowPart == inProxyIcon) {
-	    TkMacOSXTrackingLoop(1);
-	    err = ChkErr(TrackWindowProxyDrag, medPtr->whichWin, where);
-	    TkMacOSXTrackingLoop(0);
-	    if (err == errUserWantsToDragWindow) {
-		medPtr->windowPart = inDrag;
-	    } else {
-		return false;
-	    }
-	}
+
+    Window window = TkMacOSXGetXWindow(win);
+    Tk_Window tkwin = window ? Tk_IdToWindow(TkGetDisplayList()->display,
+	    window) : NULL;
+    if (!tkwin) {
+	tkwin = TkMacOSXGetCapture();
     }
-    isFrontProcess = Tk_MacOSXIsAppInFront();
-    if (isFrontProcess) {
-	medPtr->state = ButtonModifiers2State(GetCurrentEventButtonState(),
-		GetCurrentEventKeyModifiers());
-    } else {
-	medPtr->state = ButtonModifiers2State(GetCurrentButtonState(),
-		GetCurrentKeyModifiers());
+    if (!tkwin) {
+	return theEvent;
     }
-    medPtr->global = where;
-    err = ChkErr(GetEventParameter, eventPtr->eventRef,
-	    kEventParamWindowMouseLocation,
-	    typeQDPoint, NULL,
-	    sizeof(Point), NULL,
-	    &medPtr->local);
+
+    /*
+    MacDrawable *macWin = (MacDrawable *) window;
+    NSView *view = TkMacOSXDrawableView(macWin);
+    local = [view convertPoint:local fromView:nil];
+    local.y = NSHeight([view bounds]) - local.y;
+    */
+    TkWindow  *winPtr = (TkWindow *) tkwin;
+    local.x -= winPtr->wmInfoPtr->xInParent;
+    local.y -= winPtr->wmInfoPtr->yInParent;
+
+    int win_x, win_y;
+    tkwin = Tk_TopCoordsToWindow(tkwin, local.x, local.y,
+		&win_x, &win_y);
+
+    unsigned int state = 0;
+    NSInteger button = [theEvent buttonNumber];
+    EventRef eventRef = (EventRef)[theEvent eventRef];
+    UInt32 buttons;
+    OSStatus err = GetEventParameter(eventRef, kEventParamMouseChord,
+	    typeUInt32, NULL, sizeof(UInt32), NULL, &buttons);
     if (err == noErr) {
-	if (medPtr->whichWin) {
-	    Rect widths;
-	    GetWindowStructureWidths(medPtr->whichWin, &widths);
-	    medPtr->local.h -=	widths.left;
-	    medPtr->local.v -=	widths.top;
-	}
+	state |= (buttons & ((1<<5) - 1)) << 8;
     } else {
-	medPtr->local = where;
-	if (medPtr->whichWin) {
-	    QDGlobalToLocalPoint(GetWindowPort(medPtr->whichWin),
-		    &medPtr->local);
-	}
-    }
-    medPtr->activeNonFloating = ActiveNonFloatingWindow();
-    dispPtr = TkGetDisplayList();
-    tkwin = Tk_IdToWindow(dispPtr->display, medPtr->window);
-
-    if (eventPtr->eKind != kEventMouseDown) {
-	int res = false;
-
-	switch (eventPtr->eKind) {
-	    case kEventMouseUp:
-		/*
-		 * The window manager only needs to know about mouse down
-		 * events and sometimes we need to "eat" the mouse up.
-		 * Otherwise, we just pass the event to Tk.
-		 */
-		if (TkMacOSXGetEatButtonUp()) {
-		    TkMacOSXSetEatButtonUp(false);
-		} else {
-		    res = GenerateButtonEvent(medPtr);
-		}
-		break;
-	    case kEventMouseWheelMoved:
-		err = ChkErr(GetEventParameter, eventPtr->eventRef,
-			kEventParamMouseWheelDelta, typeLongInteger, NULL,
-			sizeof(long), NULL, &medPtr->delta);
-		if (err != noErr ) {
-		    statusPtr->err = 1;
-		} else {
-		    EventMouseWheelAxis axis;
-		    err = ChkErr(GetEventParameter, eventPtr->eventRef,
-			    kEventParamMouseWheelAxis, typeMouseWheelAxis,
-			    NULL, sizeof(EventMouseWheelAxis), NULL, &axis);
-		    if (err == noErr && axis == kEventMouseWheelAxisX) {
-			 medPtr->state |= ShiftMask;
-		    }
-		    res = GenerateMouseWheelEvent(medPtr);
-		}
-		break;
-	    case kEventMouseMoved:
-	    case kEventMouseDragged:
-		res = GeneratePollingEvents(medPtr);
+	if (button < 5) {
+	    switch (type) {
+	    case NSLeftMouseDown:
+	    case NSRightMouseDown:
+	    case NSLeftMouseDragged:
+	    case NSRightMouseDragged:
+	    case NSOtherMouseDown:
+		state |= 1 << (button + 8);
 		break;
 	    default:
-		Tcl_Panic("Unknown mouse event !");
-	}
-	if (res) {
-		statusPtr->stopProcessing = 1;
-	}
-	return res;
-    }
-    TkMacOSXSetEatButtonUp(false);
-    if (medPtr->whichWin) {
-	/*
-	 * We got a mouse down in a window
-	 * See if this is the activate click
-	 * This click moves the window forward. We don't want
-	 * the corresponding mouse-up to be reported to the application
-	 * or else it will mess up some Tk scripts.
-	 */
-
-	if (!(TkpIsWindowFloating(medPtr->whichWin))
-		&& (medPtr->whichWin != medPtr->activeNonFloating
-		|| !isFrontProcess)) {
-	    int frontWindowOnly = 1;
-	    int cmdDragGrow = ((medPtr->windowPart == inDrag ||
-		    medPtr->windowPart == inGrow) && medPtr->state & Mod1Mask);
-
-	    if (!cmdDragGrow) {
-		Tk_Window grabWin = GetGrabWindowForWindow(tkwin);
-
-		frontWindowOnly = !grabWin;
-		if (grabWin && grabWin != tkwin) {
-		    TkMacOSXSetEatButtonUp(true);
-		    BringWindowForward(TkMacOSXDrawableWindow(
-			    ((TkWindow*)grabWin)->window), isFrontProcess,
-			    frontWindowOnly);
-		    return false;
-		}
-	    }
-
-	    /*
-	     * Clicks in the titlebar widgets are handled without bringing the
-	     * window forward.
-	     */
-	    if ((result = HandleWindowTitlebarMouseDown(medPtr, tkwin)) != -1) {
-		statusPtr->stopProcessing = 1;
-		return result;
-	    } else {
-		/*
-		 * Only windows with the kWindowNoActivatesAttribute can
-		 * receive mouse events in the background.
-		 */
-		if (!(((TkWindow *)tkwin)->wmInfoPtr->attributes &
-			kWindowNoActivatesAttribute)) {
-		    /*
-		     * Allow background window dragging & growing with Command
-		     * down.
-		     */
-		    if (!cmdDragGrow) {
-			TkMacOSXSetEatButtonUp(true);
-			BringWindowForward(medPtr->whichWin, isFrontProcess,
-				frontWindowOnly);
-		    }
-		    /*
-		     * Allow dragging & growing of windows that were/are in the
-		     * background.
-		     */
-		    if (!(medPtr->windowPart == inDrag ||
-			    medPtr->windowPart == inGrow)) {
-			return false;
-		    }
-		}
-	    }
-	} else {
-	    if ((result = HandleWindowTitlebarMouseDown(medPtr, tkwin)) != -1) {
-		statusPtr->stopProcessing = 1;
-		return result;
-	    }
-	}
-	switch (medPtr->windowPart) {
-	    case inDrag: {
-		WindowAttributes attributes;
-
-		GetWindowAttributes(medPtr->whichWin, &attributes);
-		if (!(attributes & kWindowAsyncDragAttribute)) {
-		    TkMacOSXTrackingLoop(1);
-		    DragWindow(medPtr->whichWin, where, NULL);
-		    TkMacOSXTrackingLoop(0);
-		    where2.h = where2.v = 0;
-		    QDLocalToGlobalPoint(GetWindowPort(medPtr->whichWin),
-			    &where2);
-		    if (EqualPt(where, where2)) {
-			return false;
-		    }
-		    return true;
-		}
 		break;
 	    }
-	    case inGrow:
-		/*
-		 * Generally the content region is the domain of Tk
-		 * sub-windows. However, one exception is the grow
-		 * region. A button down in this area will be handled
-		 * by the window manager. Note: this means that Tk
-		 * may not get button down events in this area!
-		 */
-		if (TkMacOSXGrowToplevel(medPtr->whichWin, where) == true) {
-		    statusPtr->stopProcessing = 1;
-		    return true;
-		} else {
-		    return GenerateButtonEvent(medPtr);
-		}
-		break;
-	    case inContent:
-		return GenerateButtonEvent(medPtr);
-		break;
-	    default:
-		return false;
-		break;
 	}
     }
-    return false;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * HandleWindowTitlebarMouseDown --
- *
- *	Handle clicks in window titlebar.
- *
- * Results:
- *	1 if event was handled, 0 if event was not handled,
- *	-1 if MouseDown was not in window titlebar.
- *
- * Side effects:
- *	Additional events may be place on the Tk event queue.
- *
- *----------------------------------------------------------------------
- */
-
-int
-HandleWindowTitlebarMouseDown(MouseEventData * medPtr, Tk_Window tkwin)
-{
-    int result = INT_MAX;
-
-    switch (medPtr->windowPart) {
-	case inGoAway:
-	case inCollapseBox:
-	case inZoomIn:
-	case inZoomOut:
-	case inToolbarButton:
-	    if (!IsWindowActive(medPtr->whichWin)) {
-		WindowRef frontWindow = FrontNonFloatingWindow();
-		WindowModality frontWindowModality = kWindowModalityNone;
+    NSUInteger modifiers = [theEvent modifierFlags];
 
-		if (frontWindow && frontWindow != medPtr->whichWin) {
-		    ChkErr(GetWindowModality, frontWindow,
-			    &frontWindowModality, NULL);
-		}
-		if (frontWindowModality == kWindowModalityAppModal) {
-		    result  = 0;
-		}
-	    }
-	    break;
-	default:
-	    result = -1;
-	    break;
+    if (modifiers & NSAlphaShiftKeyMask) {
+	state |= LockMask;
     }
-    
-    if (result == INT_MAX) {
-	result = 0;
-	TkMacOSXTrackingLoop(1);
-	switch (medPtr->windowPart) {
-	    case inGoAway:
-		if (TrackGoAway(medPtr->whichWin, medPtr->global) && tkwin) {
-		    TkGenWMDestroyEvent(tkwin);
-		    result = 1;
-		}
-		break;
-	    case inCollapseBox:
-		if (TrackBox(medPtr->whichWin, medPtr->global,
-			medPtr->windowPart) && tkwin) {
-		    TkpWmSetState((TkWindow *)tkwin, IconicState);
-		    result = 1;
-		}
-		break;
-	    case inZoomIn:
-	    case inZoomOut:
-		if (TrackBox(medPtr->whichWin, medPtr->global,
-			medPtr->windowPart)) {
-		    result = TkMacOSXZoomToplevel(medPtr->whichWin,
-			    medPtr->windowPart);
-		}
-		break;
-	    case inToolbarButton:
-		if (TrackBox(medPtr->whichWin, medPtr->global,
-			medPtr->windowPart)) {
-		    result = GenerateToolbarButtonEvent(medPtr);
-		}
-		break;
-	}
-	TkMacOSXTrackingLoop(0);
+    if (modifiers & NSShiftKeyMask) {
+	state |= ShiftMask;
     }
-
-    return result;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * GeneratePollingEvents --
- *
- *	This function polls the mouse position and generates X Motion,
- *	Enter & Leave events. The cursor is also updated at this
- *	time.
- *
- * Results:
- *	True if event(s) are generated - false otherwise.
- *
- * Side effects:
- *	Additional events may be place on the Tk event queue.
- *	The cursor may be changed.
- *
- *----------------------------------------------------------------------
- */
-
-static int
-GeneratePollingEvents(MouseEventData * medPtr)
-{
-    Tk_Window tkwin, rootwin, grabWin;
-    int local_x, local_y;
-    TkDisplay *dispPtr;
-
-
-    grabWin = TkMacOSXGetCapture();
-
-    if ((!TkpIsWindowFloating(medPtr->whichWin)
-	    && (medPtr->activeNonFloating != medPtr->whichWin))) {
-	/*
-	 * If the window for this event is not floating, and is not the
-	 * active non-floating window, don't generate polling events.
-	 * We don't send events to backgrounded windows. So either send
-	 * it to the grabWin, or NULL if there is no grabWin.
-	 */
-
-	tkwin = grabWin;
-    } else {
-	/*
-	 * First check whether the toplevel containing this mouse
-	 * event is the grab window. If not, then send the event
-	 * to the grab window. Otherwise, set tkWin to the subwindow
-	 * which most closely contains the mouse event.
-	 */
-
-	dispPtr = TkGetDisplayList();
-	rootwin = Tk_IdToWindow(dispPtr->display, medPtr->window);
-	if ((rootwin == NULL)
-		|| ((grabWin != NULL) && (rootwin != grabWin))) {
-	    tkwin = grabWin;
-	} else {
-	    tkwin = Tk_TopCoordsToWindow(rootwin,
-		    medPtr->local.h, medPtr->local.v,
-		    &local_x, &local_y);
-	}
+    if (modifiers & NSControlKeyMask) {
+	state |= ControlMask;
     }
-
-    /*
-     * The following call will generate the appropiate X events and
-     * adjust any state that Tk must remember.
-     */
-
-    Tk_UpdatePointer(tkwin, medPtr->global.h, medPtr->global.v,
-	    medPtr->state);
-
-    return true;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * BringWindowForward --
- *
- *	Bring this background window to the front.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	The window is brought forward.
- *
- *----------------------------------------------------------------------
- */
-
-static void
-BringWindowForward(
-    WindowRef wRef,
-    int isFrontProcess,
-    int frontWindowOnly)
-{
-    if (wRef && !TkpIsWindowFloating(wRef) && IsValidWindowPtr(wRef)) {
-	WindowRef frontWindow = FrontNonFloatingWindow();
-	WindowModality frontWindowModality = kWindowModalityNone;
-	
-	if (frontWindow && frontWindow != wRef) {
-	    ChkErr(GetWindowModality, frontWindow, &frontWindowModality, NULL);
-	}
-	if (frontWindowModality != kWindowModalityAppModal) {
-	    Window window = TkMacOSXGetXWindow(wRef);
-
-	    if (window != None) {
-		TkDisplay *dispPtr = TkGetDisplayList();
-		TkWindow * winPtr = (TkWindow *)Tk_IdToWindow(dispPtr->display,
-			window);
-
-		if (winPtr && winPtr->wmInfoPtr &&
-			winPtr->wmInfoPtr->master != None) {
-		    TkWindow *masterWinPtr = (TkWindow *)Tk_IdToWindow(
-			    dispPtr->display, winPtr->wmInfoPtr->master);
-
-		    if (masterWinPtr && masterWinPtr->window != None &&
-			    TkMacOSXHostToplevelExists(masterWinPtr)) {
-			WindowRef masterMacWin =
-				TkMacOSXDrawableWindow(masterWinPtr->window);
-
-			if (masterMacWin) {
-			    BringToFront(masterMacWin);
-			}
-		    }
-		}
-	    }
-	    SelectWindow(wRef);
-	} else {
-	    frontWindowOnly = 0;
-	}
+    if (modifiers & NSCommandKeyMask) {
+	state |= Mod1Mask;		/* command key */
     }
-    if (!isFrontProcess) {
-	ProcessSerialNumber ourPsn = {0, kCurrentProcess};
-
-	ChkErr(SetFrontProcessWithOptions, &ourPsn, frontWindowOnly ?
-	    kSetFrontProcessFrontWindowOnly : 0);
+    if (modifiers & NSAlternateKeyMask) {
+	state |= Mod2Mask;		/* option key */
     }
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXBringWindowForward --
- *
- *	Bring this window to the front in response to a mouse click. If
- *	a grab is in effect, bring the grab window to the front instead.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	The window is brought forward.
- *
- *----------------------------------------------------------------------
- */
-
-void
-TkMacOSXBringWindowForward(
-    WindowRef wRef)
-{
-    TkDisplay *dispPtr = TkGetDisplayList();
-    Tk_Window tkwin = Tk_IdToWindow(dispPtr->display,TkMacOSXGetXWindow(wRef));
-    Tk_Window grabWin = GetGrabWindowForWindow(tkwin);
-
-    if (grabWin && grabWin != tkwin) {
-	wRef = TkMacOSXDrawableWindow(((TkWindow*)grabWin)->window);
+    if (modifiers & NSNumericPadKeyMask) {
+	state |= Mod3Mask;
     }
-    TkMacOSXSetEatButtonUp(true);
-    BringWindowForward(wRef, Tk_MacOSXIsAppInFront(), !grabWin);
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * GetGrabWindowForWindow --
- *
- *	Get the grab window for the given window, if any.
- *
- * Results:
- *	Grab Tk_Window or None.
- *
- * Side effects:
- *	None.
- *
- *----------------------------------------------------------------------
- */
-
-Tk_Window
-GetGrabWindowForWindow(
-    Tk_Window tkwin) 
-{
-    Tk_Window grabWin = TkMacOSXGetCapture();
-
-    if (!grabWin) {
-	int grabState = TkGrabState((TkWindow*)tkwin);
-
-	if (grabState != TK_GRAB_NONE && grabState != TK_GRAB_IN_TREE) {
-	    grabWin = (Tk_Window) (((TkWindow*)tkwin)->dispPtr->grabWinPtr);
-	}
+    if (modifiers & NSFunctionKeyMask) {
+	state |= Mod4Mask;
     }
-    
-    return grabWin;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * GenerateMouseWheelEvent --
- *
- *	Generates a "MouseWheel" Tk event.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	Places a mousewheel event on the event queue.
- *
- *----------------------------------------------------------------------
- */
-
-static int
-GenerateMouseWheelEvent(MouseEventData * medPtr)
-{
-    Tk_Window tkwin, rootwin;
-    TkDisplay *dispPtr;
-    TkWindow  *winPtr;
-    XEvent xEvent;
 
-    dispPtr = TkGetDisplayList();
-    rootwin = Tk_IdToWindow(dispPtr->display, medPtr->window);
-    if (rootwin == NULL) {
-	tkwin = NULL;
+    if (type != NSScrollWheel) {
+#ifdef TK_MAC_DEBUG_EVENTS
+	TKLog(@"UpdatePointer %p x %f.0 y %f.0 %d", tkwin, global.x, global.y, state);
+#endif
+	Tk_UpdatePointer(tkwin, global.x, global.y, state);
     } else {
-	tkwin = Tk_TopCoordsToWindow(rootwin,
-		medPtr->local.h, medPtr->local.v,
-		&xEvent.xbutton.x, &xEvent.xbutton.y);
-    }
-
-    /*
-     * The following call will generate the appropiate X events and
-     * adjust any state that Tk must remember.
-     */
-
-    if (!tkwin) {
-	tkwin = TkMacOSXGetCapture();
-    }
-    if (!tkwin) {
-	return false;
+	CGFloat delta;
+	int coarseDelta;
+	XEvent xEvent;
+
+	xEvent.type = MouseWheelEvent;
+	xEvent.xbutton.x = local.x;
+	xEvent.xbutton.y = local.y;
+	xEvent.xbutton.x_root = global.x;
+	xEvent.xbutton.y_root = global.y;
+	xEvent.xany.send_event = false;
+	xEvent.xany.display = Tk_Display(tkwin);
+	xEvent.xany.window = Tk_WindowId(tkwin);
+
+	delta = [theEvent deltaY];
+	if (delta != 0.0) {
+	    coarseDelta = (delta > -1.0 && delta < 1.0) ? (signbit(delta) ? -1 : 1) : lround(delta);
+	    xEvent.xbutton.state = state;
+	    xEvent.xkey.keycode = coarseDelta;
+	    xEvent.xany.serial = LastKnownRequestProcessed(Tk_Display(tkwin));
+	    Tk_QueueWindowEvent(&xEvent, TCL_QUEUE_TAIL);
+	}
+	delta = [theEvent deltaX];
+	if (delta != 0.0) {
+	    coarseDelta = (delta > -1.0 && delta < 1.0) ? (signbit(delta) ? -1 : 1) : lround(delta);
+	    xEvent.xbutton.state = state | ShiftMask;
+	    xEvent.xkey.keycode = coarseDelta;
+	    xEvent.xany.serial = LastKnownRequestProcessed(Tk_Display(tkwin));
+	    Tk_QueueWindowEvent(&xEvent, TCL_QUEUE_TAIL);
+	}
     }
-    winPtr = (TkWindow *) tkwin;
-    xEvent.type = MouseWheelEvent;
-    xEvent.xkey.keycode = medPtr->delta;
-    xEvent.xbutton.x_root = medPtr->global.h;
-    xEvent.xbutton.y_root = medPtr->global.v;
-    xEvent.xbutton.state = medPtr->state;
-    xEvent.xany.serial = LastKnownRequestProcessed(winPtr->display);
-    xEvent.xany.send_event = false;
-    xEvent.xany.display = winPtr->display;
-    xEvent.xany.window = Tk_WindowId(winPtr);
-    Tk_QueueWindowEvent(&xEvent, TCL_QUEUE_TAIL);
 
-    return true;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXGetEatButtonUp --
- *
- * Results:
- *	Returns the flag indicating if we need to eat the
- *	next mouse up event
- *
- * Side effects:
- *	None.
- *
- *----------------------------------------------------------------------
- */
-int
-TkMacOSXGetEatButtonUp(void)
-{
-    return gEatButtonUp;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXSetEatButtonUp --
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	Sets the flag indicating if we need to eat the
- *	next mouse up event
- *
- *----------------------------------------------------------------------
- */
-void
-TkMacOSXSetEatButtonUp(int f)
-{
-    gEatButtonUp = f;
+    return theEvent;
 }
+@end
+
+#pragma mark -
 
 /*
  *----------------------------------------------------------------------
@@ -779,7 +237,7 @@ TkMacOSXModifierState(void)
     keyModifiers = isFrontProcess ? GetCurrentEventKeyModifiers() :
 	    GetCurrentKeyModifiers();
 
-    return (EventModifiers)(keyModifiers & USHRT_MAX);
+    return (EventModifiers) (keyModifiers & USHRT_MAX);
 }
 
 /*
@@ -790,8 +248,8 @@ TkMacOSXModifierState(void)
  *	Returns the current state of the button & modifier keys.
  *
  * Results:
- *	A bitwise inclusive OR of a subset of the following:
- *	Button1Mask, ShiftMask, LockMask, ControlMask, Mod*Mask.
+ *	A bitwise inclusive OR of a subset of the following: Button1Mask,
+ *	ShiftMask, LockMask, ControlMask, Mod*Mask.
  *
  * Side effects:
  *	None.
@@ -805,10 +263,8 @@ TkMacOSXButtonKeyState(void)
     UInt32 buttonState = 0, keyModifiers;
     int isFrontProcess = (GetCurrentEvent() && Tk_MacOSXIsAppInFront());
 
-    if (!TkMacOSXGetEatButtonUp()) {
-	buttonState = isFrontProcess ? GetCurrentEventButtonState() :
-		GetCurrentButtonState();
-    }
+    buttonState = isFrontProcess ? GetCurrentEventButtonState() :
+	    GetCurrentButtonState();
     keyModifiers = isFrontProcess ? GetCurrentEventKeyModifiers() :
 	    GetCurrentKeyModifiers();
 
@@ -833,11 +289,16 @@ TkMacOSXButtonKeyState(void)
  */
 
 static unsigned int
-ButtonModifiers2State(UInt32 buttonState, UInt32 keyModifiers)
+ButtonModifiers2State(
+    UInt32 buttonState,
+    UInt32 keyModifiers)
 {
     unsigned int state;
 
-    /* Tk supports at most 5 buttons */
+    /*
+     * Tk supports at most 5 buttons.
+     */
+
     state = (buttonState & ((1<<5) - 1)) << 8;
 
     if (keyModifiers & alphaLock) {
@@ -871,12 +332,12 @@ ButtonModifiers2State(UInt32 buttonState, UInt32 keyModifiers)
  * XQueryPointer --
  *
  *	Check the current state of the mouse. This is not a complete
- *	implementation of this function. It only computes the root
- *	coordinates and the current mask.
+ *	implementation of this function. It only computes the root coordinates
+ *	and the current mask.
  *
  * Results:
- *	Sets root_x_return, root_y_return, and mask_return. Returns
- *	true on success.
+ *	Sets root_x_return, root_y_return, and mask_return. Returns true on
+ *	success.
  *
  * Side effects:
  *	None.
@@ -886,71 +347,42 @@ ButtonModifiers2State(UInt32 buttonState, UInt32 keyModifiers)
 
 Bool
 XQueryPointer(
-    Display* display,
+    Display *display,
     Window w,
-    Window* root_return,
-    Window* child_return,
-    int* root_x_return,
-    int* root_y_return,
-    int* win_x_return,
-    int* win_y_return,
-    unsigned int* mask_return)
+    Window *root_return,
+    Window *child_return,
+    int *root_x_return,
+    int *root_y_return,
+    int *win_x_return,
+    int *win_y_return,
+    unsigned int *mask_return)
 {
     int getGlobal = (root_x_return && root_y_return);
-    int getLocal = (win_x_return && win_y_return);
+    int getLocal = (win_x_return && win_y_return && w != None);
 
     if (getGlobal || getLocal) {
-	Point where, local;
-	OSStatus err = noErr;
-	int gotMouseLoc = 0;
-	EventRef ev = GetCurrentEvent();
+	NSPoint global = [NSEvent mouseLocation];
 
-	if (ev && getLocal) {
-	    err = ChkErr(GetEventParameter, ev, kEventParamWindowMouseLocation,
-		    typeQDPoint, NULL, sizeof(Point), NULL, &local);
-	    gotMouseLoc = (err == noErr);
-	}
-	if (getGlobal || !gotMouseLoc) {
-	    if (ev) {
-		err = ChkErr(GetEventParameter, ev, kEventParamMouseLocation,
-			typeQDPoint, NULL, sizeof(Point), NULL, &where);
-	    }
-	    if (!ev || err != noErr) {
-		GetGlobalMouse(&where);
-	    }
-	}
 	if (getLocal) {
-	    WindowRef whichWin;
-	    if (ev) {
-		err = ChkErr(GetEventParameter, ev, kEventParamWindowRef,
-			typeWindowRef, NULL, sizeof(WindowRef), NULL,
-			&whichWin);
-	    }
-	    if (!ev || err != noErr) {
-		FindWindow(where, &whichWin);
-	    }
-	    if (gotMouseLoc) {
-		if (whichWin) {
-		    Rect widths;
+	    MacDrawable *macWin = (MacDrawable *) w;
+	    NSWindow *win = TkMacOSXDrawableWindow(w);
 
-		    ChkErr(GetWindowStructureWidths, whichWin, &widths);
-		    local.h -= widths.left;
-		    local.v -= widths.top;
-		}
-	    } else {
-		local = where;
-		if (whichWin) {
-		    QDGlobalToLocalPoint(GetWindowPort(whichWin), &local);
+	    if (win) {
+		NSPoint local;
+
+		local = [win convertScreenToBase:global];
+		local.y = [win frame].size.height - local.y;
+		if (macWin->winPtr && macWin->winPtr->wmInfoPtr) {
+		    local.x -= macWin->winPtr->wmInfoPtr->xInParent;
+		    local.y -= macWin->winPtr->wmInfoPtr->yInParent;
 		}
+		*win_x_return = local.x;
+		*win_y_return = local.y;
 	    }
 	}
 	if (getGlobal) {
-	    *root_x_return = where.h;
-	    *root_y_return = where.v;
-	}
-	if (getLocal) {
-	    *win_x_return = local.h;
-	    *win_y_return = local.v;
+	    *root_x_return = global.x;
+	    *root_y_return = tkMacOSXZeroScreenHeight - global.y;
 	}
     }
     if (mask_return) {
@@ -964,35 +396,34 @@ XQueryPointer(
  *
  * TkGenerateButtonEventForXPointer --
  *
- *	This procedure generates an X button event for the current
- *	pointer state as reported by XQueryPointer().
+ *	This procedure generates an X button event for the current pointer
+ *	state as reported by XQueryPointer().
  *
  * Results:
  *	True if event(s) are generated - false otherwise.
  *
  * Side effects:
- *	Additional events may be place on the Tk event queue.
- *	Grab state may also change.
+ *	Additional events may be place on the Tk event queue. Grab state may
+ *	also change.
  *
  *----------------------------------------------------------------------
  */
 
 MODULE_SCOPE int
 TkGenerateButtonEventForXPointer(
-    Window window)	  /* X Window containing button event. */
+    Window window)		/* X Window containing button event. */
 {
     MouseEventData med;
     int global_x, global_y, local_x, local_y;
 
     bzero(&med, sizeof(MouseEventData));
-    XQueryPointer(NULL, None, NULL, NULL, &global_x, &global_y,
+    XQueryPointer(NULL, window, NULL, NULL, &global_x, &global_y,
 	    &local_x, &local_y, &med.state);
     med.global.h = global_x;
     med.global.v = global_y;
     med.local.h = local_x;
     med.local.v = local_y;
     med.window = window;
-    med.activeNonFloating = ActiveNonFloatingWindow();
 
     return GenerateButtonEvent(&med);
 }
@@ -1002,27 +433,29 @@ TkGenerateButtonEventForXPointer(
  *
  * TkGenerateButtonEvent --
  *
- *	Given a global x & y position and the button key status this
- *	procedure generates the appropiate X button event. It also
- *	handles the state changes needed to implement implicit grabs.
+ *	Given a global x & y position and the button key status this procedure
+ *	generates the appropiate X button event. It also handles the state
+ *	changes needed to implement implicit grabs.
  *
  * Results:
- *	True if event(s) are generated - false otherwise.
+ *	True if event(s) are generated, false otherwise.
  *
  * Side effects:
- *	Additional events may be place on the Tk event queue.
- *	Grab state may also change.
+ *	Additional events may be place on the Tk event queue. Grab state may
+ *	also change.
  *
  *----------------------------------------------------------------------
  */
 
 int
 TkGenerateButtonEvent(
-    int x,		  /* X location of mouse */
-    int y,		  /* Y location of mouse */
-    Window window,	  /* X Window containing button event. */
-    unsigned int state)	  /* Button Key state suitable for X event */
+    int x,			/* X location of mouse, */
+    int y,			/* Y location of mouse. */
+    Window window,		/* X Window containing button event. */
+    unsigned int state)		/* Button Key state suitable for X event. */
 {
+    MacDrawable *macWin = (MacDrawable *) window;
+    NSWindow *win = TkMacOSXDrawableWindow(window);
     MouseEventData med;
 
     bzero(&med, sizeof(MouseEventData));
@@ -1030,10 +463,20 @@ TkGenerateButtonEvent(
     med.window = window;
     med.global.h = x;
     med.global.v = y;
-    FindWindow(med.global, &med.whichWin);
-    med.activeNonFloating = ActiveNonFloatingWindow();
     med.local = med.global;
-    QDGlobalToLocalPoint(GetWindowPort(med.whichWin), &med.local);
+
+    if (win) {
+	NSPoint local = NSMakePoint(x, tkMacOSXZeroScreenHeight - y);
+
+	local = [win convertScreenToBase:local];
+	local.y = [win frame].size.height - local.y;
+	if (macWin->winPtr && macWin->winPtr->wmInfoPtr) {
+	    local.x -= macWin->winPtr->wmInfoPtr->xInParent;
+	    local.y -= macWin->winPtr->wmInfoPtr->yInParent;
+	}
+	med.local.h = local.x;
+	med.local.v = tkMacOSXZeroScreenHeight - local.y;
+    }
 
     return GenerateButtonEvent(&med);
 }
@@ -1043,21 +486,22 @@ TkGenerateButtonEvent(
  *
  * GenerateButtonEvent --
  *
- *	Generate an X button event from a MouseEventData structure.
- *	Handles the state changes needed to implement implicit grabs.
+ *	Generate an X button event from a MouseEventData structure. Handles
+ *	the state changes needed to implement implicit grabs.
  *
  * Results:
  *	True if event(s) are generated - false otherwise.
  *
  * Side effects:
- *	Additional events may be place on the Tk event queue.
- *	Grab state may also change.
+ *	Additional events may be place on the Tk event queue. Grab state may
+ *	also change.
  *
  *----------------------------------------------------------------------
  */
 
 static int
-GenerateButtonEvent(MouseEventData * medPtr)
+GenerateButtonEvent(
+    MouseEventData *medPtr)
 {
     Tk_Window tkwin;
     int dummy;
@@ -1065,11 +509,12 @@ GenerateButtonEvent(MouseEventData * medPtr)
 
 #if UNUSED
     /*
-     * ButtonDown events will always occur in the front
-     * window. ButtonUp events, however, may occur anywhere
-     * on the screen. ButtonUp events should only be sent
-     * to Tk if in the front window or during an implicit grab.
+     * ButtonDown events will always occur in the front window. ButtonUp
+     * events, however, may occur anywhere on the screen. ButtonUp events
+     * should only be sent to Tk if in the front window or during an implicit
+     * grab.
      */
+
     if ((medPtr->activeNonFloating == NULL)
 	    || ((!(TkpIsWindowFloating(medPtr->whichWin))
 	    && (medPtr->activeNonFloating != medPtr->whichWin))
@@ -1087,61 +532,14 @@ GenerateButtonEvent(MouseEventData * medPtr)
     }
 
     Tk_UpdatePointer(tkwin, medPtr->global.h, medPtr->global.v, medPtr->state);
-
     return true;
 }
 
 /*
- *----------------------------------------------------------------------
- *
- * GenerateToolbarButtonEvent --
- *
- *	Generates a "ToolbarButton" virtual event.
- *	This can be used to manage disappearing toolbars.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	Places a virtual event on the event queue.
- *
- *----------------------------------------------------------------------
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 79
+ * coding: utf-8
+ * End:
  */
-
-static int
-GenerateToolbarButtonEvent(MouseEventData * medPtr)
-{
-    Tk_Window rootwin, tkwin = NULL;
-    TkDisplay *dispPtr;
-    TkWindow  *winPtr;
-    XVirtualEvent event;
-
-    dispPtr = TkGetDisplayList();
-    rootwin = Tk_IdToWindow(dispPtr->display, medPtr->window);
-    if (rootwin) {
-	tkwin = Tk_TopCoordsToWindow(rootwin,
-		medPtr->local.h, medPtr->local.v, &event.x, &event.y);
-    }
-    if (!tkwin) {
-	return true;
-    }
-    winPtr = (TkWindow *)tkwin;
-
-    bzero(&event, sizeof(XVirtualEvent));
-    event.type = VirtualEvent;
-    event.serial = LastKnownRequestProcessed(winPtr->display);
-    event.send_event = false;
-    event.display = winPtr->display;
-    event.event = winPtr->window;
-    event.root = XRootWindow(winPtr->display, 0);
-    event.subwindow = None;
-    event.time = TkpGetMS();
-    event.x_root = medPtr->global.h;
-    event.y_root = medPtr->global.v;
-    event.state = medPtr->state;
-    event.same_screen = true;
-    event.name = Tk_GetUid("ToolbarButton");
-
-    Tk_QueueWindowEvent((XEvent *) &event, TCL_QUEUE_TAIL);
-    return true;
-}