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diff --git a/src/mactoolbox.c b/src/mactoolbox.c
new file mode 100644
index 0000000000..e1fa79ac8b
--- /dev/null
+++ b/src/mactoolbox.c
@@ -0,0 +1,6208 @@
+/* Functions for GUI implemented with (HI)Toolbox on the Mac OS.
+   Copyright (C) 2000, 2001, 2002, 2003, 2004,
+                 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+#include <config.h>
+
+#include <stdio.h>
+
+#include "lisp.h"
+#include "blockinput.h"
+
+#include "macterm.h"
+
+#if !TARGET_API_MAC_CARBON
+#include <Quickdraw.h>
+#include <ToolUtils.h>
+#include <Sound.h>
+#include <Events.h>
+#include <Script.h>
+#include <Resources.h>
+#include <Fonts.h>
+#include <TextUtils.h>
+#include <LowMem.h>
+#include <Controls.h>
+#include <Windows.h>
+#include <Displays.h>
+#if defined (__MRC__) || (__MSL__ >= 0x6000)
+#include <ControlDefinitions.h>
+#endif
+
+#if __profile__
+#include <profiler.h>
+#endif
+#endif /* not TARGET_API_MAC_CARBON */
+
+#include "charset.h"
+#include "coding.h"
+#include "frame.h"
+#include "dispextern.h"
+#include "fontset.h"
+#include "termhooks.h"
+#include "buffer.h"
+#include "window.h"
+#include "keyboard.h"
+
+#include <sys/param.h>
+
+#ifndef MAC_OSX
+#include <alloca.h>
+#endif
+
+
+/************************************************************************
+			       General
+ ************************************************************************/
+
+/* The difference in pixels between the top left corner of the
+   Emacs window (including possible window manager decorations)
+   and FRAME_MAC_WINDOW (f).  */
+#define FRAME_OUTER_TO_INNER_DIFF_X(f) ((f)->x_pixels_diff)
+#define FRAME_OUTER_TO_INNER_DIFF_Y(f) ((f)->y_pixels_diff)
+
+#define mac_window_to_frame(wp) (((mac_output *) GetWRefCon (wp))->mFP)
+
+void
+mac_alert_sound_play ()
+{
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1020
+  AlertSoundPlay ();
+#else
+  SysBeep (1);
+#endif
+}
+
+
+/************************************************************************
+			     Application
+ ************************************************************************/
+
+extern struct frame *mac_focus_frame P_ ((struct mac_display_info *));
+extern void do_keystroke P_ ((EventKind, unsigned char, UInt32, UInt32,
+			      unsigned long, struct input_event *));
+extern UInt32 mac_mapped_modifiers P_ ((UInt32, UInt32));
+#if TARGET_API_MAC_CARBON
+extern int mac_to_emacs_modifiers P_ ((UInt32, UInt32));
+#else
+extern int mac_to_emacs_modifiers P_ ((EventModifiers, EventModifiers));
+#endif
+
+#if TARGET_API_MAC_CARBON
+/* Points to the variable `inev' in the function XTread_socket.  It is
+   used for passing an input event to the function back from
+   Carbon/Apple event handlers.  */
+static struct input_event *read_socket_inev = NULL;
+
+extern const unsigned char keycode_to_xkeysym_table[];
+extern EMACS_INT extra_keyboard_modifiers;
+
+extern Lisp_Object Qhi_command;
+#if USE_MAC_TSM
+static TSMDocumentID tsm_document_id;
+extern Lisp_Object Qtext_input;
+extern Lisp_Object Qupdate_active_input_area, Qunicode_for_key_event;
+extern Lisp_Object Vmac_ts_active_input_overlay;
+extern Lisp_Object Qbefore_string;
+extern Lisp_Object Vmac_ts_script_language_on_focus;
+extern Lisp_Object saved_ts_script_language_on_focus;
+#endif
+
+static int mac_event_to_emacs_modifiers P_ ((EventRef));
+static OSStatus install_menu_target_item_handler P_ ((void));
+#ifdef MAC_OSX
+static OSStatus install_service_handler P_ ((void));
+#endif
+
+extern OSStatus mac_store_event_ref_as_apple_event P_ ((AEEventClass, AEEventID,
+							Lisp_Object,
+							Lisp_Object,
+							EventRef, UInt32,
+							const EventParamName *,
+							const EventParamType *));
+
+#if USE_MAC_TSM
+extern OSStatus mac_restore_keyboard_input_source P_ ((void));
+extern void mac_save_keyboard_input_source P_ ((void));
+
+static OSStatus
+mac_tsm_resume ()
+{
+  OSStatus err;
+
+  err = ActivateTSMDocument (tsm_document_id);
+  if (err == noErr)
+    err = mac_restore_keyboard_input_source ();
+
+  return err;
+}
+
+static OSStatus
+mac_tsm_suspend ()
+{
+  OSStatus err;
+
+  mac_save_keyboard_input_source ();
+  err = DeactivateTSMDocument (tsm_document_id);
+
+  return err;
+}
+
+static void
+init_tsm ()
+{
+#ifdef MAC_OSX
+  static InterfaceTypeList types = {kUnicodeDocument};
+#else
+  static InterfaceTypeList types = {kTextService};
+#endif
+
+  NewTSMDocument (sizeof (types) / sizeof (types[0]), types,
+		  &tsm_document_id, 0);
+}
+#endif	/* USE_MAC_TSM */
+
+static pascal OSStatus
+mac_handle_keyboard_event (next_handler, event, data)
+     EventHandlerCallRef next_handler;
+     EventRef event;
+     void *data;
+{
+  OSStatus err, result = eventNotHandledErr;
+  UInt32 event_kind, key_code, modifiers;
+  unsigned char char_code;
+
+  event_kind = GetEventKind (event);
+  switch (event_kind)
+    {
+    case kEventRawKeyDown:
+    case kEventRawKeyRepeat:
+    case kEventRawKeyUp:
+      /* When using Carbon Events, we need to pass raw keyboard events
+	 to the TSM ourselves.  If TSM handles it, it will pass back
+	 noErr, otherwise it will pass back "eventNotHandledErr" and
+	 we can process it normally.  */
+      result = CallNextEventHandler (next_handler, event);
+      if (result != eventNotHandledErr)
+	break;
+
+      if (read_socket_inev == NULL)
+	break;
+
+#if USE_MAC_TSM
+      if (read_socket_inev->kind != NO_EVENT)
+	{
+	  result = noErr;
+	  break;
+	}
+#endif
+
+      if (event_kind == kEventRawKeyUp)
+	break;
+
+      err = GetEventParameter (event, kEventParamKeyMacCharCodes,
+			       typeChar, NULL,
+			       sizeof (char), NULL, &char_code);
+      if (err != noErr)
+	break;
+
+      err = GetEventParameter (event, kEventParamKeyCode,
+			       typeUInt32, NULL,
+			       sizeof (UInt32), NULL, &key_code);
+      if (err != noErr)
+	break;
+
+      err = GetEventParameter (event, kEventParamKeyModifiers,
+			       typeUInt32, NULL,
+			       sizeof (UInt32), NULL, &modifiers);
+      if (err != noErr)
+	break;
+
+      do_keystroke ((event_kind == kEventRawKeyDown ? keyDown : autoKey),
+		    char_code, key_code, modifiers,
+		    ((unsigned long)
+		     (GetEventTime (event) / kEventDurationMillisecond)),
+		    read_socket_inev);
+      result = noErr;
+      break;
+
+    default:
+      abort ();
+    }
+
+  return result;
+}
+
+static pascal OSStatus
+mac_handle_command_event (next_handler, event, data)
+     EventHandlerCallRef next_handler;
+     EventRef event;
+     void *data;
+{
+  OSStatus err, result = eventNotHandledErr;
+  HICommand command;
+  static const EventParamName names[] =
+    {kEventParamDirectObject, kEventParamKeyModifiers};
+  static const EventParamType types[] =
+    {typeHICommand, typeUInt32};
+  int num_params = sizeof (names) / sizeof (names[0]);
+
+  err = GetEventParameter (event, kEventParamDirectObject, typeHICommand,
+			   NULL, sizeof (HICommand), NULL, &command);
+  if (err != noErr)
+    return eventNotHandledErr;
+
+  switch (GetEventKind (event))
+    {
+    case kEventCommandProcess:
+      result = CallNextEventHandler (next_handler, event);
+      if (result != eventNotHandledErr)
+	break;
+
+      err = GetEventParameter (event, kEventParamDirectObject,
+			       typeHICommand, NULL,
+			       sizeof (HICommand), NULL, &command);
+
+      if (err != noErr || command.commandID == 0)
+	break;
+
+      /* A HI command event is mapped to an Apple event whose event
+	 class symbol is `hi-command' and event ID is its command
+	 ID.  */
+      err = mac_store_event_ref_as_apple_event (0, command.commandID,
+						Qhi_command, Qnil,
+						event, num_params,
+						names, types);
+      if (err == noErr)
+	result = noErr;
+      break;
+
+    default:
+      abort ();
+    }
+
+  return result;
+}
+
+static pascal OSStatus
+mac_handle_mouse_event (next_handler, event, data)
+     EventHandlerCallRef next_handler;
+     EventRef event;
+     void *data;
+{
+  OSStatus err, result = eventNotHandledErr;
+
+  switch (GetEventKind (event))
+    {
+    case kEventMouseWheelMoved:
+      {
+	WindowRef wp;
+	struct frame *f;
+	EventMouseWheelAxis axis;
+	SInt32 delta;
+	Point point;
+
+	result = CallNextEventHandler (next_handler, event);
+	if (result != eventNotHandledErr || read_socket_inev == NULL)
+	  break;
+
+	f = mac_focus_frame (&one_mac_display_info);
+
+	err = GetEventParameter (event, kEventParamWindowRef, typeWindowRef,
+				 NULL, sizeof (WindowRef), NULL, &wp);
+	if (err != noErr
+	    || wp != FRAME_MAC_WINDOW (f))
+	  break;
+
+	err = GetEventParameter (event, kEventParamMouseWheelAxis,
+				 typeMouseWheelAxis, NULL,
+				 sizeof (EventMouseWheelAxis), NULL, &axis);
+	if (err != noErr || axis != kEventMouseWheelAxisY)
+	  break;
+
+	err = GetEventParameter (event, kEventParamMouseLocation,
+				 typeQDPoint, NULL, sizeof (Point),
+				 NULL, &point);
+	if (err != noErr)
+	  break;
+
+	point.h -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f);
+	point.v -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f);
+	if (point.h < 0 || point.v < 0
+	    || EQ (window_from_coordinates (f, point.h, point.v, 0, 0, 0, 1),
+		   f->tool_bar_window))
+	  break;
+
+	err = GetEventParameter (event, kEventParamMouseWheelDelta,
+				 typeSInt32, NULL, sizeof (SInt32),
+				 NULL, &delta);
+	if (err != noErr)
+	  break;
+
+	read_socket_inev->kind = WHEEL_EVENT;
+	read_socket_inev->code = 0;
+	read_socket_inev->modifiers =
+	  (mac_event_to_emacs_modifiers (event)
+	   | ((delta < 0) ? down_modifier : up_modifier));
+	XSETINT (read_socket_inev->x, point.h);
+	XSETINT (read_socket_inev->y, point.v);
+	XSETFRAME (read_socket_inev->frame_or_window, f);
+
+	result = noErr;
+      }
+      break;
+
+    default:
+      abort ();
+    }
+
+  return result;
+}
+
+#if USE_MAC_TSM
+static pascal OSStatus
+mac_handle_text_input_event (next_handler, event, data)
+     EventHandlerCallRef next_handler;
+     EventRef event;
+     void *data;
+{
+  OSStatus err, result;
+  Lisp_Object id_key = Qnil;
+  int num_params;
+  const EventParamName *names;
+  const EventParamType *types;
+  static UInt32 seqno_uaia = 0;
+  static const EventParamName names_uaia[] =
+    {kEventParamTextInputSendComponentInstance,
+     kEventParamTextInputSendRefCon,
+     kEventParamTextInputSendSLRec,
+     kEventParamTextInputSendFixLen,
+     kEventParamTextInputSendText,
+     kEventParamTextInputSendUpdateRng,
+     kEventParamTextInputSendHiliteRng,
+     kEventParamTextInputSendClauseRng,
+     kEventParamTextInputSendPinRng,
+     kEventParamTextInputSendTextServiceEncoding,
+     kEventParamTextInputSendTextServiceMacEncoding,
+     EVENT_PARAM_TEXT_INPUT_SEQUENCE_NUMBER};
+  static const EventParamType types_uaia[] =
+    {typeComponentInstance,
+     typeLongInteger,
+     typeIntlWritingCode,
+     typeLongInteger,
+#ifdef MAC_OSX
+     typeUnicodeText,
+#else
+     typeChar,
+#endif
+     typeTextRangeArray,
+     typeTextRangeArray,
+     typeOffsetArray,
+     typeTextRange,
+     typeUInt32,
+     typeUInt32,
+     typeUInt32};
+  static const EventParamName names_ufke[] =
+    {kEventParamTextInputSendComponentInstance,
+     kEventParamTextInputSendRefCon,
+     kEventParamTextInputSendSLRec,
+     kEventParamTextInputSendText};
+  static const EventParamType types_ufke[] =
+    {typeComponentInstance,
+     typeLongInteger,
+     typeIntlWritingCode,
+     typeUnicodeText};
+
+  result = CallNextEventHandler (next_handler, event);
+  if (result != eventNotHandledErr)
+    return result;
+
+  switch (GetEventKind (event))
+    {
+    case kEventTextInputUpdateActiveInputArea:
+      id_key = Qupdate_active_input_area;
+      num_params = sizeof (names_uaia) / sizeof (names_uaia[0]);
+      names = names_uaia;
+      types = types_uaia;
+      SetEventParameter (event, EVENT_PARAM_TEXT_INPUT_SEQUENCE_NUMBER,
+			 typeUInt32, sizeof (UInt32), &seqno_uaia);
+      seqno_uaia++;
+      result = noErr;
+      break;
+
+    case kEventTextInputUnicodeForKeyEvent:
+      {
+	EventRef kbd_event;
+	UInt32 actual_size, modifiers, key_code;
+
+	err = GetEventParameter (event, kEventParamTextInputSendKeyboardEvent,
+				 typeEventRef, NULL, sizeof (EventRef), NULL,
+				 &kbd_event);
+	if (err == noErr)
+	  err = GetEventParameter (kbd_event, kEventParamKeyModifiers,
+				   typeUInt32, NULL,
+				   sizeof (UInt32), NULL, &modifiers);
+	if (err == noErr)
+	  err = GetEventParameter (kbd_event, kEventParamKeyCode,
+				   typeUInt32, NULL, sizeof (UInt32),
+				   NULL, &key_code);
+	if (err == noErr && mac_mapped_modifiers (modifiers, key_code))
+	  /* There're mapped modifier keys.  Process it in
+	     do_keystroke.  */
+	  break;
+	if (err == noErr)
+	  err = GetEventParameter (kbd_event, kEventParamKeyUnicodes,
+				   typeUnicodeText, NULL, 0, &actual_size,
+				   NULL);
+	if (err == noErr && actual_size == sizeof (UniChar))
+	  {
+	    UniChar code;
+
+	    err = GetEventParameter (kbd_event, kEventParamKeyUnicodes,
+				     typeUnicodeText, NULL,
+				     sizeof (UniChar), NULL, &code);
+	    if (err == noErr && code < 0x80)
+	      {
+		/* ASCII character.  Process it in do_keystroke.  */
+		if (read_socket_inev && code >= 0x20 && code <= 0x7e
+		    && !(key_code <= 0x7f
+			 && keycode_to_xkeysym_table [key_code]))
+		  {
+		    struct frame *f = mac_focus_frame (&one_mac_display_info);
+
+		    read_socket_inev->kind = ASCII_KEYSTROKE_EVENT;
+		    read_socket_inev->code = code;
+		    read_socket_inev->modifiers =
+		      mac_to_emacs_modifiers (modifiers, 0);
+		    read_socket_inev->modifiers |=
+		      (extra_keyboard_modifiers
+		       & (meta_modifier | alt_modifier
+			  | hyper_modifier | super_modifier));
+		    XSETFRAME (read_socket_inev->frame_or_window, f);
+		  }
+		break;
+	      }
+	  }
+	if (err == noErr)
+	  {
+	    /* Non-ASCII keystrokes without mapped modifiers are
+	       processed at the Lisp level.  */
+	    id_key = Qunicode_for_key_event;
+	    num_params = sizeof (names_ufke) / sizeof (names_ufke[0]);
+	    names = names_ufke;
+	    types = types_ufke;
+	    result = noErr;
+	  }
+      }
+      break;
+
+    case kEventTextInputOffsetToPos:
+      {
+	struct frame *f;
+	struct window *w;
+	Point p;
+
+	if (!OVERLAYP (Vmac_ts_active_input_overlay))
+	  break;
+
+	/* Strictly speaking, this is not always correct because
+	   previous events may change some states about display.  */
+	if (!NILP (Foverlay_get (Vmac_ts_active_input_overlay, Qbefore_string)))
+	  {
+	    /* Active input area is displayed around the current point.  */
+	    f = SELECTED_FRAME ();
+	    w = XWINDOW (f->selected_window);
+	  }
+	else if (WINDOWP (echo_area_window))
+	  {
+	    /* Active input area is displayed in the echo area.  */
+	    w = XWINDOW (echo_area_window);
+	    f = WINDOW_XFRAME (w);
+	  }
+	else
+	  break;
+
+	p.h = (WINDOW_TO_FRAME_PIXEL_X (w, w->cursor.x)
+	       + WINDOW_LEFT_FRINGE_WIDTH (w)
+	       + f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f));
+	p.v = (WINDOW_TO_FRAME_PIXEL_Y (w, w->cursor.y)
+	       + FONT_BASE (FRAME_FONT (f))
+	       + f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f));
+	err = SetEventParameter (event, kEventParamTextInputReplyPoint,
+				 typeQDPoint, sizeof (typeQDPoint), &p);
+	if (err == noErr)
+	  result = noErr;
+      }
+      break;
+
+    default:
+      abort ();
+    }
+
+  if (!NILP (id_key))
+    err = mac_store_event_ref_as_apple_event (0, 0, Qtext_input, id_key,
+					      event, num_params,
+					      names, types);
+  return result;
+}
+#endif
+
+OSStatus
+install_application_handler ()
+{
+  OSStatus err = noErr;
+
+  if (err == noErr)
+    {
+      static const EventTypeSpec specs[] =
+	{{kEventClassKeyboard, kEventRawKeyDown},
+	 {kEventClassKeyboard, kEventRawKeyRepeat},
+	 {kEventClassKeyboard, kEventRawKeyUp}};
+
+      err = InstallApplicationEventHandler (NewEventHandlerUPP
+					    (mac_handle_keyboard_event),
+					    GetEventTypeCount (specs),
+					    specs, NULL, NULL);
+    }
+
+  if (err == noErr)
+    {
+      static const EventTypeSpec specs[] =
+	{{kEventClassCommand, kEventCommandProcess}};
+
+      err = InstallApplicationEventHandler (NewEventHandlerUPP
+					    (mac_handle_command_event),
+					    GetEventTypeCount (specs),
+					    specs, NULL, NULL);
+    }
+
+  if (err == noErr)
+    {
+      static const EventTypeSpec specs[] =
+	{{kEventClassMouse, kEventMouseWheelMoved}};
+
+      err = InstallApplicationEventHandler (NewEventHandlerUPP
+					    (mac_handle_mouse_event),
+					    GetEventTypeCount (specs),
+					    specs, NULL, NULL);
+    }
+
+#if USE_MAC_TSM
+  if (err == noErr)
+    {
+      static const EventTypeSpec spec[] =
+	{{kEventClassTextInput, kEventTextInputUpdateActiveInputArea},
+	 {kEventClassTextInput, kEventTextInputUnicodeForKeyEvent},
+	 {kEventClassTextInput, kEventTextInputOffsetToPos}};
+
+      err = InstallApplicationEventHandler (NewEventHandlerUPP
+					    (mac_handle_text_input_event),
+					    GetEventTypeCount (spec),
+					    spec, NULL, NULL);
+    }
+#endif
+
+  if (err == noErr)
+    err = install_menu_target_item_handler ();
+
+#ifdef MAC_OSX
+  if (err == noErr)
+    err = install_service_handler ();
+#endif
+
+  return err;
+}
+#endif	/* TARGET_API_MAC_CARBON */
+
+
+/************************************************************************
+			       Windows
+ ************************************************************************/
+
+#define DEFAULT_NUM_COLS 80
+
+#define MIN_DOC_SIZE 64
+#define MAX_DOC_SIZE 32767
+
+/* Drag and Drop */
+static OSErr install_drag_handler P_ ((WindowRef));
+static void remove_drag_handler P_ ((WindowRef));
+
+#if USE_CG_DRAWING
+static void mac_prepare_for_quickdraw P_ ((struct frame *));
+#endif
+
+extern void mac_handle_visibility_change P_ ((struct frame *));
+extern void mac_handle_origin_change P_ ((struct frame *));
+extern void mac_handle_size_change P_ ((struct frame *, int, int));
+
+#if TARGET_API_MAC_CARBON
+#ifdef MAC_OSX
+extern Lisp_Object Qwindow;
+extern Lisp_Object Qtoolbar_switch_mode;
+#endif
+#endif
+
+static void
+do_window_update (WindowRef win)
+{
+  struct frame *f = mac_window_to_frame (win);
+
+  BeginUpdate (win);
+
+  /* The tooltip has been drawn already.  Avoid the SET_FRAME_GARBAGED
+     below.  */
+  if (win != tip_window)
+    {
+      if (f->async_visible == 0)
+        {
+	  /* Update events may occur when a frame gets iconified.  */
+#if 0
+          f->async_visible = 1;
+          f->async_iconified = 0;
+          SET_FRAME_GARBAGED (f);
+#endif
+        }
+      else
+	{
+	  Rect r;
+#if TARGET_API_MAC_CARBON
+	  RgnHandle region = NewRgn ();
+
+	  GetPortVisibleRegion (GetWindowPort (win), region);
+	  GetRegionBounds (region, &r);
+	  expose_frame (f, r.left, r.top, r.right - r.left, r.bottom - r.top);
+#if USE_CG_DRAWING
+	  mac_prepare_for_quickdraw (f);
+#endif
+	  UpdateControls (win, region);
+	  DisposeRgn (region);
+#else
+	  r = (*win->visRgn)->rgnBBox;
+	  expose_frame (f, r.left, r.top, r.right - r.left, r.bottom - r.top);
+	  UpdateControls (win, win->visRgn);
+#endif
+	}
+    }
+
+  EndUpdate (win);
+}
+
+static int
+is_emacs_window (WindowRef win)
+{
+  Lisp_Object tail, frame;
+
+  if (!win)
+    return 0;
+
+  FOR_EACH_FRAME (tail, frame)
+    if (FRAME_MAC_P (XFRAME (frame)))
+      if (FRAME_MAC_WINDOW (XFRAME (frame)) == win)
+	return 1;
+
+  return 0;
+}
+
+/* Handle drags in size box.  Based on code contributed by Ben
+   Mesander and IM - Window Manager A.  */
+
+static void
+do_grow_window (w, e)
+     WindowRef w;
+     const EventRecord *e;
+{
+  Rect limit_rect;
+  int rows, columns, width, height;
+  struct frame *f = mac_window_to_frame (w);
+  XSizeHints *size_hints = FRAME_SIZE_HINTS (f);
+  int min_width = MIN_DOC_SIZE, min_height = MIN_DOC_SIZE;
+#if TARGET_API_MAC_CARBON
+  Rect new_rect;
+#else
+  long grow_size;
+#endif
+
+  if (size_hints->flags & PMinSize)
+    {
+      min_width  = size_hints->min_width;
+      min_height = size_hints->min_height;
+    }
+  SetRect (&limit_rect, min_width, min_height, MAX_DOC_SIZE, MAX_DOC_SIZE);
+
+#if TARGET_API_MAC_CARBON
+  if (!ResizeWindow (w, e->where, &limit_rect, &new_rect))
+    return;
+  height = new_rect.bottom - new_rect.top;
+  width = new_rect.right - new_rect.left;
+#else
+  grow_size = GrowWindow (w, e->where, &limit_rect);
+  /* see if it really changed size */
+  if (grow_size == 0)
+    return;
+  height = HiWord (grow_size);
+  width = LoWord (grow_size);
+#endif
+
+  if (width != FRAME_PIXEL_WIDTH (f)
+      || height != FRAME_PIXEL_HEIGHT (f))
+    {
+      rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, height);
+      columns = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, width);
+
+      x_set_window_size (f, 0, columns, rows);
+    }
+}
+
+#if TARGET_API_MAC_CARBON
+static Point
+mac_get_ideal_size (f)
+     struct frame *f;
+{
+  struct mac_display_info *dpyinfo = FRAME_MAC_DISPLAY_INFO (f);
+  WindowRef w = FRAME_MAC_WINDOW (f);
+  Point ideal_size;
+  Rect standard_rect;
+  int height, width, columns, rows;
+
+  ideal_size.h = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, DEFAULT_NUM_COLS);
+  ideal_size.v = dpyinfo->height;
+  IsWindowInStandardState (w, &ideal_size, &standard_rect);
+  /* Adjust the standard size according to character boundaries.  */
+  width = standard_rect.right - standard_rect.left;
+  height = standard_rect.bottom - standard_rect.top;
+  columns = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, width);
+  rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, height);
+  ideal_size.h = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, columns);
+  ideal_size.v = FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, rows);
+
+  return ideal_size;
+}
+
+static pascal OSStatus
+mac_handle_window_event (next_handler, event, data)
+     EventHandlerCallRef next_handler;
+     EventRef event;
+     void *data;
+{
+  WindowRef wp;
+  OSStatus err, result = eventNotHandledErr;
+  struct frame *f;
+  UInt32 attributes;
+  XSizeHints *size_hints;
+
+  err = GetEventParameter (event, kEventParamDirectObject, typeWindowRef,
+			   NULL, sizeof (WindowRef), NULL, &wp);
+  if (err != noErr)
+    return eventNotHandledErr;
+
+  f = mac_window_to_frame (wp);
+  switch (GetEventKind (event))
+    {
+      /* -- window refresh events -- */
+
+    case kEventWindowUpdate:
+      result = CallNextEventHandler (next_handler, event);
+      if (result != eventNotHandledErr)
+	break;
+
+      do_window_update (wp);
+      result = noErr;
+      break;
+
+      /* -- window state change events -- */
+
+    case kEventWindowShowing:
+      size_hints = FRAME_SIZE_HINTS (f);
+      if (!(size_hints->flags & (USPosition | PPosition)))
+	{
+	  struct frame *sf = SELECTED_FRAME ();
+
+	  if (!(FRAME_MAC_P (sf) && sf->async_visible))
+	    RepositionWindow (wp, NULL, kWindowCenterOnMainScreen);
+	  else
+	    {
+	      RepositionWindow (wp, FRAME_MAC_WINDOW (sf),
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1020
+				kWindowCascadeStartAtParentWindowScreen
+#else
+				kWindowCascadeOnParentWindowScreen
+#endif
+				);
+#if USE_MAC_TOOLBAR
+	      /* This is a workaround.  RepositionWindow fails to put
+		 a window at the cascading position when its parent
+		 window has a Carbon HIToolbar.  */
+	      if ((f->left_pos == sf->left_pos
+		   && f->top_pos == sf->top_pos)
+		  || (f->left_pos == sf->left_pos + 10 * 2
+		      && f->top_pos == sf->top_pos + 32 * 2))
+		MoveWindowStructure (wp, sf->left_pos + 10, sf->top_pos + 32);
+#endif
+	    }
+	  result = noErr;
+	}
+      break;
+
+    case kEventWindowHiding:
+      /* Before unmapping the window, update the WM_SIZE_HINTS
+	 property to claim that the current position of the window is
+	 user-specified, rather than program-specified, so that when
+	 the window is mapped again, it will be placed at the same
+	 location, without forcing the user to position it by hand
+	 again (they have already done that once for this window.)  */
+      x_wm_set_size_hint (f, (long) 0, 1);
+      result = noErr;
+      break;
+
+    case kEventWindowShown:
+    case kEventWindowHidden:
+    case kEventWindowCollapsed:
+    case kEventWindowExpanded:
+      mac_handle_visibility_change (f);
+      result = noErr;
+      break;
+
+    case kEventWindowBoundsChanging:
+      result = CallNextEventHandler (next_handler, event);
+      if (result != eventNotHandledErr)
+	break;
+
+      err = GetEventParameter (event, kEventParamAttributes, typeUInt32,
+			       NULL, sizeof (UInt32), NULL, &attributes);
+      if (err != noErr)
+	break;
+
+      size_hints = FRAME_SIZE_HINTS (f);
+      if ((attributes & kWindowBoundsChangeUserResize)
+	  && ((size_hints->flags & (PResizeInc | PBaseSize | PMinSize))
+	      == (PResizeInc | PBaseSize | PMinSize)))
+	{
+	  Rect bounds;
+	  int width, height;
+
+	  err = GetEventParameter (event, kEventParamCurrentBounds,
+				   typeQDRectangle, NULL, sizeof (Rect),
+				   NULL, &bounds);
+	  if (err != noErr)
+	    break;
+
+	  width = bounds.right - bounds.left;
+	  height = bounds.bottom - bounds.top;
+
+	  if (width < size_hints->min_width)
+	    width = size_hints->min_width;
+	  else
+	    width = size_hints->base_width
+	      + (int) ((width - size_hints->base_width)
+		       / (float) size_hints->width_inc + .5)
+	      * size_hints->width_inc;
+
+	  if (height < size_hints->min_height)
+	    height = size_hints->min_height;
+	  else
+	    height = size_hints->base_height
+	      + (int) ((height - size_hints->base_height)
+		       / (float) size_hints->height_inc + .5)
+	      * size_hints->height_inc;
+
+	  bounds.right = bounds.left + width;
+	  bounds.bottom = bounds.top + height;
+	  SetEventParameter (event, kEventParamCurrentBounds,
+			     typeQDRectangle, sizeof (Rect), &bounds);
+	  result = noErr;
+	}
+      break;
+
+    case kEventWindowBoundsChanged:
+      err = GetEventParameter (event, kEventParamAttributes, typeUInt32,
+			       NULL, sizeof (UInt32), NULL, &attributes);
+      if (err != noErr)
+	break;
+
+      if (attributes & kWindowBoundsChangeSizeChanged)
+	{
+	  Rect bounds;
+
+	  err = GetEventParameter (event, kEventParamCurrentBounds,
+				   typeQDRectangle, NULL, sizeof (Rect),
+				   NULL, &bounds);
+	  if (err == noErr)
+	    {
+	      int width, height;
+
+	      width = bounds.right - bounds.left;
+	      height = bounds.bottom - bounds.top;
+	      mac_handle_size_change (f, width, height);
+	      mac_wakeup_from_rne ();
+	    }
+	}
+
+      if (attributes & kWindowBoundsChangeOriginChanged)
+	mac_handle_origin_change (f);
+
+      result = noErr;
+      break;
+
+      /* -- window action events -- */
+
+    case kEventWindowClose:
+      {
+	struct input_event buf;
+
+	EVENT_INIT (buf);
+	buf.kind = DELETE_WINDOW_EVENT;
+	XSETFRAME (buf.frame_or_window, f);
+	buf.arg = Qnil;
+	kbd_buffer_store_event (&buf);
+      }
+      result = noErr;
+      break;
+
+    case kEventWindowGetIdealSize:
+      result = CallNextEventHandler (next_handler, event);
+      if (result != eventNotHandledErr)
+	break;
+
+      {
+	Point ideal_size = mac_get_ideal_size (f);
+
+	err = SetEventParameter (event, kEventParamDimensions,
+				 typeQDPoint, sizeof (Point), &ideal_size);
+	if (err == noErr)
+	  result = noErr;
+      }
+      break;
+
+#ifdef MAC_OSX
+    case kEventWindowToolbarSwitchMode:
+      {
+	static const EventParamName names[] = {kEventParamDirectObject,
+					       kEventParamWindowMouseLocation,
+					       kEventParamKeyModifiers,
+					       kEventParamMouseButton,
+					       kEventParamClickCount,
+					       kEventParamMouseChord};
+	static const EventParamType types[] = {typeWindowRef,
+					       typeQDPoint,
+					       typeUInt32,
+					       typeMouseButton,
+					       typeUInt32,
+					       typeUInt32};
+	int num_params = sizeof (names) / sizeof (names[0]);
+
+	err = mac_store_event_ref_as_apple_event (0, 0,
+						  Qwindow,
+						  Qtoolbar_switch_mode,
+						  event, num_params,
+						  names, types);
+      }
+      if (err == noErr)
+	result = noErr;
+      break;
+#endif
+
+#if USE_MAC_TSM
+      /* -- window focus events -- */
+
+    case kEventWindowFocusAcquired:
+      err = mac_tsm_resume ();
+      if (err == noErr)
+	result = noErr;
+      break;
+
+    case kEventWindowFocusRelinquish:
+      err = mac_tsm_suspend ();
+      if (err == noErr)
+	result = noErr;
+      break;
+#endif
+
+    default:
+      abort ();
+    }
+
+  return result;
+}
+#endif
+
+/* Handle clicks in zoom box.  Calculation of "standard state" based
+   on code in IM - Window Manager A and code contributed by Ben
+   Mesander.  The standard state of an Emacs window is 80-characters
+   wide (DEFAULT_NUM_COLS) and as tall as will fit on the screen.  */
+
+static void
+do_zoom_window (WindowRef w, int zoom_in_or_out)
+{
+  Rect zoom_rect, port_rect;
+  int width, height;
+  struct frame *f = mac_window_to_frame (w);
+#if TARGET_API_MAC_CARBON
+  Point ideal_size = mac_get_ideal_size (f);
+
+  GetWindowBounds (w, kWindowContentRgn, &port_rect);
+  if (IsWindowInStandardState (w, &ideal_size, &zoom_rect)
+      && port_rect.left == zoom_rect.left
+      && port_rect.top == zoom_rect.top)
+    zoom_in_or_out = inZoomIn;
+  else
+    zoom_in_or_out = inZoomOut;
+
+#ifdef MAC_OS8
+  mac_clear_area (f, 0, 0, port_rect.right - port_rect.left,
+		  port_rect.bottom - port_rect.top);
+#endif
+  ZoomWindowIdeal (w, zoom_in_or_out, &ideal_size);
+#else /* not TARGET_API_MAC_CARBON */
+  GrafPtr save_port;
+  Point top_left;
+  int w_title_height, rows;
+  struct mac_display_info *dpyinfo = FRAME_MAC_DISPLAY_INFO (f);
+
+  GetPort (&save_port);
+
+  SetPortWindowPort (w);
+
+  /* Clear window to avoid flicker.  */
+  EraseRect (&(w->portRect));
+  if (zoom_in_or_out == inZoomOut)
+    {
+      SetPt (&top_left, w->portRect.left, w->portRect.top);
+      LocalToGlobal (&top_left);
+
+      /* calculate height of window's title bar */
+      w_title_height = top_left.v - 1
+	- (**((WindowPeek) w)->strucRgn).rgnBBox.top + GetMBarHeight ();
+
+      /* get maximum height of window into zoom_rect.bottom - zoom_rect.top */
+      zoom_rect = qd.screenBits.bounds;
+      zoom_rect.top += w_title_height;
+      InsetRect (&zoom_rect, 8, 4);  /* not too tight */
+
+      zoom_rect.right = zoom_rect.left
+	+ FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, DEFAULT_NUM_COLS);
+
+      /* Adjust the standard size according to character boundaries.  */
+      rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, zoom_rect.bottom - zoom_rect.top);
+      zoom_rect.bottom =
+	zoom_rect.top + FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f, rows);
+
+      (**((WStateDataHandle) ((WindowPeek) w)->dataHandle)).stdState
+	= zoom_rect;
+    }
+
+  ZoomWindow (w, zoom_in_or_out, f == mac_focus_frame (dpyinfo));
+
+  SetPort (save_port);
+#endif /* not TARGET_API_MAC_CARBON */
+
+#if !TARGET_API_MAC_CARBON
+  /* retrieve window size and update application values */
+  port_rect = w->portRect;
+  height = port_rect.bottom - port_rect.top;
+  width = port_rect.right - port_rect.left;
+
+  mac_handle_size_change (f, width, height);
+  mac_handle_origin_change (f);
+#endif
+}
+
+static OSStatus
+install_window_handler (window)
+     WindowRef window;
+{
+  OSStatus err = noErr;
+
+#if TARGET_API_MAC_CARBON
+  if (err == noErr)
+    {
+      static const EventTypeSpec specs[] =
+	{
+	  /* -- window refresh events -- */
+	  {kEventClassWindow, kEventWindowUpdate},
+	  /* -- window state change events -- */
+	  {kEventClassWindow, kEventWindowShowing},
+	  {kEventClassWindow, kEventWindowHiding},
+	  {kEventClassWindow, kEventWindowShown},
+	  {kEventClassWindow, kEventWindowHidden},
+	  {kEventClassWindow, kEventWindowCollapsed},
+	  {kEventClassWindow, kEventWindowExpanded},
+	  {kEventClassWindow, kEventWindowBoundsChanging},
+	  {kEventClassWindow, kEventWindowBoundsChanged},
+	  /* -- window action events -- */
+	  {kEventClassWindow, kEventWindowClose},
+	  {kEventClassWindow, kEventWindowGetIdealSize},
+#ifdef MAC_OSX
+	  {kEventClassWindow, kEventWindowToolbarSwitchMode},
+#endif
+#if USE_MAC_TSM
+	  /* -- window focus events -- */
+	  {kEventClassWindow, kEventWindowFocusAcquired},
+	  {kEventClassWindow, kEventWindowFocusRelinquish},
+#endif
+	};
+      static EventHandlerUPP handle_window_eventUPP = NULL;
+
+      if (handle_window_eventUPP == NULL)
+	handle_window_eventUPP = NewEventHandlerUPP (mac_handle_window_event);
+
+      err = InstallWindowEventHandler (window, handle_window_eventUPP,
+				       GetEventTypeCount (specs),
+				       specs, NULL, NULL);
+    }
+#endif
+
+  if (err == noErr)
+    err = install_drag_handler (window);
+
+  return err;
+}
+
+static void
+remove_window_handler (window)
+     WindowRef window;
+{
+  remove_drag_handler (window);
+}
+
+void
+mac_get_window_bounds (f, inner, outer)
+     struct frame *f;
+     Rect *inner, *outer;
+{
+#if TARGET_API_MAC_CARBON
+  GetWindowBounds (FRAME_MAC_WINDOW (f), kWindowContentRgn, inner);
+  GetWindowBounds (FRAME_MAC_WINDOW (f), kWindowStructureRgn, outer);
+#else /* not TARGET_API_MAC_CARBON */
+  RgnHandle region = NewRgn ();
+
+  GetWindowRegion (FRAME_MAC_WINDOW (f), kWindowContentRgn, region);
+  *inner = (*region)->rgnBBox;
+  GetWindowRegion (FRAME_MAC_WINDOW (f), kWindowStructureRgn, region);
+  *outer = (*region)->rgnBBox;
+  DisposeRgn (region);
+#endif /* not TARGET_API_MAC_CARBON */
+}
+
+Rect *
+mac_get_frame_bounds (f, r)
+     struct frame *f;
+     Rect *r;
+{
+#if TARGET_API_MAC_CARBON
+  return GetWindowPortBounds (FRAME_MAC_WINDOW (f), r);
+#else
+  *r = FRAME_MAC_WINDOW (f)->portRect;
+
+  return r;
+#endif
+}
+
+void
+mac_get_frame_mouse (f, point)
+     struct frame *f;
+     Point *point;
+{
+#if TARGET_API_MAC_CARBON
+  GetGlobalMouse (point);
+  point->h -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f);
+  point->v -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f);
+#else
+  SetPortWindowPort (FRAME_MAC_WINDOW (f));
+  GetMouse (point);
+#endif
+}
+
+void
+mac_convert_frame_point_to_global (f, x, y)
+     struct frame *f;
+     int *x, *y;
+{
+  *x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f);
+  *y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f);
+}
+
+#if TARGET_API_MAC_CARBON
+void
+mac_update_proxy_icon (f)
+     struct frame *f;
+{
+  OSStatus err;
+  Lisp_Object file_name =
+    XBUFFER (XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer)->filename;
+  Window w = FRAME_MAC_WINDOW (f);
+  AliasHandle alias = NULL;
+
+  err = GetWindowProxyAlias (w, &alias);
+  if (err == errWindowDoesNotHaveProxy && !STRINGP (file_name))
+    return;
+
+  if (STRINGP (file_name))
+    {
+      AEDesc desc;
+#ifdef MAC_OSX
+      FSRef fref, fref_proxy;
+#else
+      FSSpec fss, fss_proxy;
+#endif
+      Boolean changed;
+      Lisp_Object encoded_file_name = ENCODE_FILE (file_name);
+
+#ifdef MAC_OSX
+      err = AECoercePtr (TYPE_FILE_NAME, SDATA (encoded_file_name),
+			 SBYTES (encoded_file_name), typeFSRef, &desc);
+#else
+      SetPortWindowPort (w);
+      err = AECoercePtr (TYPE_FILE_NAME, SDATA (encoded_file_name),
+			 SBYTES (encoded_file_name), typeFSS, &desc);
+#endif
+      if (err == noErr)
+	{
+#ifdef MAC_OSX
+	  err = AEGetDescData (&desc, &fref, sizeof (FSRef));
+#else
+	  err = AEGetDescData (&desc, &fss, sizeof (FSSpec));
+#endif
+	  AEDisposeDesc (&desc);
+	}
+      if (err == noErr)
+	{
+	  if (alias)
+	    {
+	      /* (FS)ResolveAlias never sets `changed' to true if
+		 `alias' is minimal.  */
+#ifdef MAC_OSX
+	      err = FSResolveAlias (NULL, alias, &fref_proxy, &changed);
+	      if (err == noErr)
+		err = FSCompareFSRefs (&fref, &fref_proxy);
+#else
+	      err = ResolveAlias (NULL, alias, &fss_proxy, &changed);
+	      if (err == noErr)
+		err = !(fss.vRefNum == fss_proxy.vRefNum
+			&& fss.parID == fss_proxy.parID
+			&& EqualString (fss.name, fss_proxy.name,
+					false, true));
+#endif
+	    }
+	  if (err != noErr || alias == NULL)
+	    {
+	      if (alias)
+		DisposeHandle ((Handle) alias);
+#ifdef MAC_OSX
+	      err = FSNewAliasMinimal (&fref, &alias);
+#else
+	      err = NewAliasMinimal (&fss, &alias);
+#endif
+	      changed = true;
+	    }
+	}
+      if (err == noErr)
+	if (changed)
+	  err = SetWindowProxyAlias (w, alias);
+    }
+
+  if (alias)
+    DisposeHandle ((Handle) alias);
+
+  if (err != noErr || !STRINGP (file_name))
+    RemoveWindowProxy (w);
+}
+#endif
+
+/* Mac replacement for XSetWindowBackground.  */
+
+void
+mac_set_frame_window_background (f, color)
+     struct frame *f;
+     unsigned long color;
+{
+  WindowRef w = FRAME_MAC_WINDOW (f);
+#if !TARGET_API_MAC_CARBON
+  AuxWinHandle aw_handle;
+  CTabHandle ctab_handle;
+  ColorSpecPtr ct_table;
+  short ct_size;
+#endif
+  RGBColor bg_color;
+
+  bg_color.red = RED16_FROM_ULONG (color);
+  bg_color.green = GREEN16_FROM_ULONG (color);
+  bg_color.blue = BLUE16_FROM_ULONG (color);
+
+#if TARGET_API_MAC_CARBON
+  SetWindowContentColor (w, &bg_color);
+#else
+  if (GetAuxWin (w, &aw_handle))
+    {
+      ctab_handle = (*aw_handle)->awCTable;
+      HandToHand ((Handle *) &ctab_handle);
+      ct_table = (*ctab_handle)->ctTable;
+      ct_size = (*ctab_handle)->ctSize;
+      while (ct_size > -1)
+	{
+	  if (ct_table->value == 0)
+	    {
+	      ct_table->rgb = bg_color;
+	      CTabChanged (ctab_handle);
+	      SetWinColor (w, (WCTabHandle) ctab_handle);
+	    }
+	  ct_size--;
+	}
+    }
+#endif
+}
+
+/* Flush display of frame F, or of all frames if F is null.  */
+
+void
+x_flush (f)
+     struct frame *f;
+{
+#if TARGET_API_MAC_CARBON
+  BLOCK_INPUT;
+#if USE_CG_DRAWING
+  mac_prepare_for_quickdraw (f);
+#endif
+  if (f)
+    QDFlushPortBuffer (GetWindowPort (FRAME_MAC_WINDOW (f)), NULL);
+  else
+    QDFlushPortBuffer (GetQDGlobalsThePort (), NULL);
+  UNBLOCK_INPUT;
+#endif
+}
+
+#if USE_CG_DRAWING
+void
+mac_flush_display_optional (f)
+     struct frame *f;
+{
+  BLOCK_INPUT;
+  mac_prepare_for_quickdraw (f);
+  UNBLOCK_INPUT;
+}
+#endif
+
+void
+mac_update_begin (f)
+     struct frame *f;
+{
+#if TARGET_API_MAC_CARBON
+  /* During update of a frame, availability of input events is
+     periodically checked with ReceiveNextEvent if
+     redisplay-dont-pause is nil.  That normally flushes window buffer
+     changes for every check, and thus screen update looks waving even
+     if no input is available.  So we disable screen updates during
+     update of a frame.  */
+  DisableScreenUpdates ();
+#endif
+}
+
+void
+mac_update_end (f)
+     struct frame *f;
+{
+#if TARGET_API_MAC_CARBON
+  EnableScreenUpdates ();
+#endif
+}
+
+void
+mac_frame_up_to_date (f)
+     struct frame *f;
+{
+  /* Nothing to do.  */
+}
+
+void
+mac_create_frame_window (f, tooltip_p)
+     struct frame *f;
+     int tooltip_p;
+{
+  Rect r;
+#if TARGET_API_MAC_CARBON
+  WindowClass window_class;
+  WindowAttributes attributes;
+#else
+  short proc_id;
+  WindowRef behind;
+  Boolean go_away_flag;
+#endif
+
+  if (!tooltip_p)
+    {
+      SetRect (&r, f->left_pos, f->top_pos,
+	       f->left_pos + FRAME_PIXEL_WIDTH (f),
+	       f->top_pos + FRAME_PIXEL_HEIGHT (f));
+#if TARGET_API_MAC_CARBON
+      window_class = kDocumentWindowClass;
+      attributes =  (kWindowStandardDocumentAttributes
+#ifdef MAC_OSX
+		     | kWindowToolbarButtonAttribute
+#endif
+		     );
+#else
+      proc_id = zoomDocProc;
+      behind = (WindowRef) -1;
+      go_away_flag = true;
+#endif
+    }
+  else
+    {
+      SetRect (&r, 0, 0, 1, 1);
+#if TARGET_API_MAC_CARBON
+      window_class = kHelpWindowClass;
+      attributes = (kWindowNoUpdatesAttribute
+		    | kWindowNoActivatesAttribute
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1020
+		    | kWindowIgnoreClicksAttribute
+#endif
+		    );
+#else
+      proc_id = plainDBox;
+      behind = NULL;
+      go_away_flag = false;
+#endif
+    }
+
+#if TARGET_API_MAC_CARBON
+  CreateNewWindow (window_class, attributes, &r, &FRAME_MAC_WINDOW (f));
+  if (FRAME_MAC_WINDOW (f))
+    {
+      SetWRefCon (FRAME_MAC_WINDOW (f), (long) f->output_data.mac);
+      if (!tooltip_p)
+	if (install_window_handler (FRAME_MAC_WINDOW (f)) != noErr)
+	  {
+	    DisposeWindow (FRAME_MAC_WINDOW (f));
+	    FRAME_MAC_WINDOW (f) = NULL;
+	  }
+    }
+#else  /* !TARGET_API_MAC_CARBON */
+  FRAME_MAC_WINDOW (f)
+    = NewCWindow (NULL, &r, "\p", false, proc_id, behind, go_away_flag,
+		  (long) f->output_data.mac);
+#endif  /* !TARGET_API_MAC_CARBON */
+  /* so that update events can find this mac_output struct */
+  f->output_data.mac->mFP = f;  /* point back to emacs frame */
+
+#ifndef MAC_OSX
+  if (!tooltip_p)
+    if (FRAME_MAC_WINDOW (f))
+      {
+	ControlRef root_control;
+
+	if (CreateRootControl (FRAME_MAC_WINDOW (f), &root_control) != noErr)
+	  {
+	    DisposeWindow (FRAME_MAC_WINDOW (f));
+	    FRAME_MAC_WINDOW (f) = NULL;
+	  }
+      }
+#endif
+}
+
+/* Dispose of the Mac window of the frame F.  */
+
+void
+mac_dispose_frame_window (f)
+     struct frame *f;
+{
+  WindowRef window = FRAME_MAC_WINDOW (f);
+
+  if (window != tip_window)
+    remove_window_handler (window);
+
+#if USE_CG_DRAWING
+  mac_prepare_for_quickdraw (f);
+#endif
+  DisposeWindow (window);
+}
+
+
+/************************************************************************
+			   View and Drawing
+ ************************************************************************/
+
+#if USE_CG_DRAWING
+#define FRAME_CG_CONTEXT(f)	((f)->output_data.mac->cg_context)
+
+CGContextRef
+mac_begin_cg_clip (f, gc)
+     struct frame *f;
+     GC gc;
+{
+  CGContextRef context = FRAME_CG_CONTEXT (f);
+
+  if (!context)
+    {
+      QDBeginCGContext (GetWindowPort (FRAME_MAC_WINDOW (f)), &context);
+      FRAME_CG_CONTEXT (f) = context;
+    }
+
+  CGContextSaveGState (context);
+  CGContextTranslateCTM (context, 0, FRAME_PIXEL_HEIGHT (f));
+  CGContextScaleCTM (context, 1, -1);
+  if (gc && gc->n_clip_rects)
+    CGContextClipToRects (context, gc->clip_rects, gc->n_clip_rects);
+
+  return context;
+}
+
+void
+mac_end_cg_clip (f)
+     struct frame *f;
+{
+  CGContextRestoreGState (FRAME_CG_CONTEXT (f));
+}
+
+static void
+mac_prepare_for_quickdraw (f)
+     struct frame *f;
+{
+  if (f == NULL)
+    {
+      Lisp_Object rest, frame;
+      FOR_EACH_FRAME (rest, frame)
+	if (FRAME_MAC_P (XFRAME (frame)))
+	  mac_prepare_for_quickdraw (XFRAME (frame));
+    }
+  else
+    {
+      CGContextRef context = FRAME_CG_CONTEXT (f);
+
+      if (context)
+	{
+	  CGContextSynchronize (context);
+	  QDEndCGContext (GetWindowPort (FRAME_MAC_WINDOW (f)),
+			  &FRAME_CG_CONTEXT (f));
+	}
+    }
+}
+#endif
+
+static RgnHandle saved_port_clip_region = NULL;
+
+void
+mac_begin_clip (f, gc)
+     struct frame *f;
+     GC gc;
+{
+  static RgnHandle new_region = NULL;
+
+  if (saved_port_clip_region == NULL)
+    saved_port_clip_region = NewRgn ();
+  if (new_region == NULL)
+    new_region = NewRgn ();
+
+#if USE_CG_DRAWING
+  mac_prepare_for_quickdraw (f);
+#endif
+  SetPortWindowPort (FRAME_MAC_WINDOW (f));
+
+  if (gc && gc->n_clip_rects)
+    {
+      GetClip (saved_port_clip_region);
+      SectRgn (saved_port_clip_region, gc->clip_region, new_region);
+      SetClip (new_region);
+    }
+}
+
+void
+mac_end_clip (f, gc)
+     struct frame *f;
+     GC gc;
+{
+  if (gc && gc->n_clip_rects)
+    SetClip (saved_port_clip_region);
+}
+
+#if TARGET_API_MAC_CARBON
+/* Mac replacement for XCopyArea: used only for scrolling.  */
+
+void
+mac_scroll_area (f, gc, src_x, src_y, width, height, dest_x, dest_y)
+     struct frame *f;
+     GC gc;
+     int src_x, src_y;
+     unsigned int width, height;
+     int dest_x, dest_y;
+{
+  Rect src_r;
+  RgnHandle dummy = NewRgn ();	/* For avoiding update events.  */
+
+  SetRect (&src_r, src_x, src_y, src_x + width, src_y + height);
+#if USE_CG_DRAWING
+  mac_prepare_for_quickdraw (f);
+#endif
+  ScrollWindowRect (FRAME_MAC_WINDOW (f),
+		    &src_r, dest_x - src_x, dest_y - src_y,
+		    kScrollWindowNoOptions, dummy);
+  DisposeRgn (dummy);
+}
+#endif
+
+
+/************************************************************************
+			     Scroll bars
+ ************************************************************************/
+
+extern struct scroll_bar *tracked_scroll_bar;
+extern Lisp_Object last_mouse_scroll_bar;
+extern Time last_mouse_movement_time;
+
+static void x_scroll_bar_handle_click P_ ((struct scroll_bar *,
+					   ControlPartCode,
+					   const EventRecord *,
+					   struct input_event *));
+#ifndef USE_TOOLKIT_SCROLL_BARS
+static void x_scroll_bar_note_movement P_ ((struct scroll_bar *, int, Time));
+#else /* USE_TOOLKIT_SCROLL_BARS */
+static void x_scroll_bar_handle_press P_ ((struct scroll_bar *,
+					   ControlPartCode, Point,
+					   struct input_event *));
+static void x_scroll_bar_handle_release P_ ((struct scroll_bar *,
+					     struct input_event *));
+static void x_scroll_bar_handle_drag P_ ((WindowRef, struct scroll_bar *,
+					  Point, struct input_event *));
+static pascal void scroll_bar_timer_callback P_ ((EventLoopTimerRef, void *));
+static OSStatus install_scroll_bar_timer P_ ((void));
+static OSStatus set_scroll_bar_timer P_ ((EventTimerInterval));
+static int control_part_code_to_scroll_bar_part P_ ((ControlPartCode));
+static void construct_scroll_bar_click P_ ((struct scroll_bar *, int,
+					    struct input_event *));
+static OSStatus get_control_part_bounds P_ ((ControlRef, ControlPartCode,
+					     Rect *));
+static void update_scroll_bar_track_info P_ ((struct scroll_bar *));
+
+/* Last scroll bar part sent in x_scroll_bar_handle_*.  */
+
+static int last_scroll_bar_part;
+
+static EventLoopTimerRef scroll_bar_timer;
+
+static int scroll_bar_timer_event_posted_p;
+
+#define SCROLL_BAR_FIRST_DELAY 0.5
+#define SCROLL_BAR_CONTINUOUS_DELAY (1.0 / 15)
+
+static pascal void
+scroll_bar_timer_callback (timer, data)
+     EventLoopTimerRef timer;
+     void *data;
+{
+  OSStatus err;
+
+  err = mac_post_mouse_moved_event ();
+  if (err == noErr)
+    scroll_bar_timer_event_posted_p = 1;
+}
+
+static OSStatus
+install_scroll_bar_timer ()
+{
+  static EventLoopTimerUPP scroll_bar_timer_callbackUPP = NULL;
+
+  if (scroll_bar_timer_callbackUPP == NULL)
+    scroll_bar_timer_callbackUPP =
+      NewEventLoopTimerUPP (scroll_bar_timer_callback);
+
+  if (scroll_bar_timer == NULL)
+    /* Mac OS X and CarbonLib 1.5 and later allow us to specify
+       kEventDurationForever as delays.  */
+    return
+      InstallEventLoopTimer (GetCurrentEventLoop (),
+			     kEventDurationForever, kEventDurationForever,
+			     scroll_bar_timer_callbackUPP, NULL,
+			     &scroll_bar_timer);
+}
+
+static OSStatus
+set_scroll_bar_timer (delay)
+     EventTimerInterval delay;
+{
+  if (scroll_bar_timer == NULL)
+    install_scroll_bar_timer ();
+
+  scroll_bar_timer_event_posted_p = 0;
+
+  return SetEventLoopTimerNextFireTime (scroll_bar_timer, delay);
+}
+
+static int
+control_part_code_to_scroll_bar_part (part_code)
+     ControlPartCode part_code;
+{
+  switch (part_code)
+    {
+    case kControlUpButtonPart:		return scroll_bar_up_arrow;
+    case kControlDownButtonPart:	return scroll_bar_down_arrow;
+    case kControlPageUpPart:		return scroll_bar_above_handle;
+    case kControlPageDownPart:		return scroll_bar_below_handle;
+    case kControlIndicatorPart:		return scroll_bar_handle;
+    }
+
+  return -1;
+}
+
+static void
+construct_scroll_bar_click (bar, part, bufp)
+     struct scroll_bar *bar;
+     int part;
+     struct input_event *bufp;
+{
+  bufp->kind = SCROLL_BAR_CLICK_EVENT;
+  bufp->frame_or_window = bar->window;
+  bufp->arg = Qnil;
+  bufp->part = part;
+  bufp->code = 0;
+  XSETINT (bufp->x, 0);
+  XSETINT (bufp->y, 0);
+  bufp->modifiers = 0;
+}
+
+static OSStatus
+get_control_part_bounds (ch, part_code, rect)
+     ControlRef ch;
+     ControlPartCode part_code;
+     Rect *rect;
+{
+  RgnHandle region = NewRgn ();
+  OSStatus err;
+
+  err = GetControlRegion (ch, part_code, region);
+  if (err == noErr)
+    GetRegionBounds (region, rect);
+  DisposeRgn (region);
+
+  return err;
+}
+
+static void
+x_scroll_bar_handle_press (bar, part_code, mouse_pos, bufp)
+     struct scroll_bar *bar;
+     ControlPartCode part_code;
+     Point mouse_pos;
+     struct input_event *bufp;
+{
+  int part = control_part_code_to_scroll_bar_part (part_code);
+
+  if (part < 0)
+    return;
+
+  if (part != scroll_bar_handle)
+    {
+      construct_scroll_bar_click (bar, part, bufp);
+      HiliteControl (SCROLL_BAR_CONTROL_REF (bar), part_code);
+      set_scroll_bar_timer (SCROLL_BAR_FIRST_DELAY);
+      bar->dragging = Qnil;
+    }
+  else
+    {
+      Rect r;
+
+      get_control_part_bounds (SCROLL_BAR_CONTROL_REF (bar),
+			       kControlIndicatorPart, &r);
+      XSETINT (bar->dragging, - (mouse_pos.v - r.top) - 1);
+    }
+
+  last_scroll_bar_part = part;
+  tracked_scroll_bar = bar;
+}
+
+static void
+x_scroll_bar_handle_release (bar, bufp)
+     struct scroll_bar *bar;
+     struct input_event *bufp;
+{
+  if (last_scroll_bar_part != scroll_bar_handle
+      || (INTEGERP (bar->dragging) && XINT (bar->dragging) >= 0))
+    construct_scroll_bar_click (bar, scroll_bar_end_scroll, bufp);
+
+  HiliteControl (SCROLL_BAR_CONTROL_REF (bar), 0);
+  set_scroll_bar_timer (kEventDurationForever);
+
+  last_scroll_bar_part = -1;
+  bar->dragging = Qnil;
+  tracked_scroll_bar = NULL;
+}
+
+static void
+x_scroll_bar_handle_drag (win, bar, mouse_pos, bufp)
+     WindowRef win;
+     struct scroll_bar *bar;
+     Point mouse_pos;
+     struct input_event *bufp;
+{
+  ControlRef ch = SCROLL_BAR_CONTROL_REF (bar);
+
+  if (last_scroll_bar_part == scroll_bar_handle)
+    {
+      int top, top_range;
+      Rect r;
+
+      get_control_part_bounds (SCROLL_BAR_CONTROL_REF (bar),
+			       kControlIndicatorPart, &r);
+
+      if (INTEGERP (bar->dragging) && XINT (bar->dragging) < 0)
+	XSETINT (bar->dragging, - (XINT (bar->dragging) + 1));
+
+      top = mouse_pos.v - XINT (bar->dragging) - XINT (bar->track_top);
+      top_range = XINT (bar->track_height) - XINT (bar->min_handle);
+
+      if (top < 0)
+	top = 0;
+      if (top > top_range)
+	top = top_range;
+
+      construct_scroll_bar_click (bar, scroll_bar_handle, bufp);
+      XSETINT (bufp->x, top);
+      XSETINT (bufp->y, top_range);
+    }
+  else
+    {
+      ControlPartCode part_code;
+      int unhilite_p = 0, part;
+
+      if (ch != FindControlUnderMouse (mouse_pos, win, &part_code))
+	unhilite_p = 1;
+      else
+	{
+	  part = control_part_code_to_scroll_bar_part (part_code);
+
+	  switch (last_scroll_bar_part)
+	    {
+	    case scroll_bar_above_handle:
+	    case scroll_bar_below_handle:
+	      if (part != scroll_bar_above_handle
+		  && part != scroll_bar_below_handle)
+		unhilite_p = 1;
+	      break;
+
+	    case scroll_bar_up_arrow:
+	    case scroll_bar_down_arrow:
+	      if (part != scroll_bar_up_arrow
+		  && part != scroll_bar_down_arrow)
+		unhilite_p = 1;
+	      break;
+	    }
+	}
+
+      if (unhilite_p)
+	HiliteControl (SCROLL_BAR_CONTROL_REF (bar), 0);
+      else if (part != last_scroll_bar_part
+	       || scroll_bar_timer_event_posted_p)
+	{
+	  construct_scroll_bar_click (bar, part, bufp);
+	  last_scroll_bar_part = part;
+	  HiliteControl (SCROLL_BAR_CONTROL_REF (bar), part_code);
+	  set_scroll_bar_timer (SCROLL_BAR_CONTINUOUS_DELAY);
+	}
+    }
+}
+
+/* Update BAR->track_top, BAR->track_height, and BAR->min_handle for
+   the scroll bar BAR.  This function should be called when the bounds
+   of the scroll bar is changed.  */
+
+static void
+update_scroll_bar_track_info (bar)
+     struct scroll_bar *bar;
+{
+  ControlRef ch = SCROLL_BAR_CONTROL_REF (bar);
+  Rect r0, r1;
+
+  GetControlBounds (ch, &r0);
+
+  if (r0.right - r0.left >= r0.bottom - r0.top
+#ifdef MAC_OSX
+      || r0.right - r0.left < MAC_AQUA_SMALL_VERTICAL_SCROLL_BAR_WIDTH
+#endif
+      )
+    {
+      XSETINT (bar->track_top, 0);
+      XSETINT (bar->track_height, 0);
+      XSETINT (bar->min_handle, 0);
+    }
+  else
+    {
+      BLOCK_INPUT;
+
+      SetControl32BitMinimum (ch, 0);
+      SetControl32BitMaximum (ch, 1 << 30);
+      SetControlViewSize (ch, 1);
+
+      /* Move the scroll bar thumb to the top.  */
+      SetControl32BitValue (ch, 0);
+      get_control_part_bounds (ch, kControlIndicatorPart, &r0);
+
+      /* Move the scroll bar thumb to the bottom.  */
+      SetControl32BitValue (ch, 1 << 30);
+      get_control_part_bounds (ch, kControlIndicatorPart, &r1);
+
+      UnionRect (&r0, &r1, &r0);
+      XSETINT (bar->track_top, r0.top);
+      XSETINT (bar->track_height, r0.bottom - r0.top);
+      XSETINT (bar->min_handle, r1.bottom - r1.top);
+
+      /* Don't show the scroll bar if its height is not enough to
+	 display the scroll bar thumb.  */
+      if (r0.bottom - r0.top > 0)
+	ShowControl (ch);
+
+      UNBLOCK_INPUT;
+    }
+}
+
+/* Set the thumb size and position of scroll bar BAR.  We are currently
+   displaying PORTION out of a whole WHOLE, and our position POSITION.  */
+
+void
+x_set_toolkit_scroll_bar_thumb (bar, portion, position, whole)
+     struct scroll_bar *bar;
+     int portion, position, whole;
+{
+  ControlRef ch = SCROLL_BAR_CONTROL_REF (bar);
+  int value, viewsize, maximum;
+
+  if (XINT (bar->track_height) == 0)
+    return;
+
+  if (whole <= portion)
+    value = 0, viewsize = 1, maximum = 0;
+  else
+    {
+      float scale;
+
+      maximum = XINT (bar->track_height) - XINT (bar->min_handle);
+      scale = (float) maximum / (whole - portion);
+      value = position * scale + 0.5f;
+      viewsize = (int) (portion * scale + 0.5f) + XINT (bar->min_handle);
+    }
+
+  BLOCK_INPUT;
+
+  if (GetControlViewSize (ch) != viewsize
+      || GetControl32BitValue (ch) != value
+      || GetControl32BitMaximum (ch) != maximum)
+    {
+      /* Temporarily hide the scroll bar to avoid multiple redraws.  */
+      SetControlVisibility (ch, false, false);
+
+      SetControl32BitMaximum (ch, maximum);
+      SetControl32BitValue (ch, value);
+      SetControlViewSize (ch, viewsize);
+
+      SetControlVisibility (ch, true, true);
+    }
+
+  UNBLOCK_INPUT;
+}
+
+#endif /* USE_TOOLKIT_SCROLL_BARS */
+
+/* Create a scroll bar control for BAR.  BOUNDS and VISIBLE specifies
+   the initial geometry and visibility, respectively.  The created
+   control is stored in some members of BAR.  */
+
+void
+mac_create_scroll_bar (bar, bounds, visible)
+     struct scroll_bar *bar;
+     const Rect *bounds;
+     Boolean visible;
+{
+  struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)));
+  ControlRef ch;
+
+#if USE_CG_DRAWING
+  mac_prepare_for_quickdraw (f);
+#endif
+  ch = NewControl (FRAME_MAC_WINDOW (f), bounds, "\p", visible, 0, 0, 0,
+#if TARGET_API_MAC_CARBON
+		   kControlScrollBarProc,
+#else
+		   scrollBarProc,
+#endif
+		   (SInt32) bar);
+  SET_SCROLL_BAR_CONTROL_REF (bar, ch);
+
+  XSETINT (bar->start, 0);
+  XSETINT (bar->end, 0);
+  bar->dragging = Qnil;
+
+#ifdef USE_TOOLKIT_SCROLL_BARS
+  update_scroll_bar_track_info (bar);
+#endif
+}
+
+/* Dispose of the scroll bar control stored in some members of
+   BAR.  */
+
+void
+mac_dispose_scroll_bar (bar)
+     struct scroll_bar *bar;
+{
+#if USE_CG_DRAWING
+  struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)));
+
+  mac_prepare_for_quickdraw (f);
+#endif
+  DisposeControl (SCROLL_BAR_CONTROL_REF (bar));
+}
+
+/* Set bounds of the scroll bar BAR to BOUNDS.  */
+
+void
+mac_set_scroll_bar_bounds (bar, bounds)
+     struct scroll_bar *bar;
+     const Rect *bounds;
+{
+  ControlRef ch = SCROLL_BAR_CONTROL_REF (bar);
+  SInt16 width, height;
+#if USE_CG_DRAWING
+  struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)));
+
+  mac_prepare_for_quickdraw (f);
+#endif
+
+  width = bounds->right - bounds->left;
+  height = bounds->bottom - bounds->top;
+  HideControl (ch);
+  MoveControl (ch, bounds->left, bounds->top);
+  SizeControl (ch, width, height);
+#ifdef USE_TOOLKIT_SCROLL_BARS
+  update_scroll_bar_track_info (bar);
+#else
+  if (width < height)
+    ShowControl (ch);
+#endif
+}
+
+/* Draw the scroll bar BAR.  */
+
+void
+mac_redraw_scroll_bar (bar)
+     struct scroll_bar *bar;
+{
+#if USE_CG_DRAWING
+  struct frame *f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)));
+
+  mac_prepare_for_quickdraw (f);
+#endif
+  Draw1Control (SCROLL_BAR_CONTROL_REF (bar));
+}
+
+/* Handle a mouse click on the scroll bar BAR.  If *EMACS_EVENT's kind
+   is set to something other than NO_EVENT, it is enqueued.
+
+   This may be called from a signal handler, so we have to ignore GC
+   mark bits.  */
+
+static void
+x_scroll_bar_handle_click (bar, part_code, er, bufp)
+     struct scroll_bar *bar;
+     ControlPartCode part_code;
+     const EventRecord *er;
+     struct input_event *bufp;
+{
+  int win_y, top_range;
+
+  if (! GC_WINDOWP (bar->window))
+    abort ();
+
+  bufp->kind = SCROLL_BAR_CLICK_EVENT;
+  bufp->frame_or_window = bar->window;
+  bufp->arg = Qnil;
+
+  bar->dragging = Qnil;
+
+  switch (part_code)
+    {
+    case kControlUpButtonPart:
+      bufp->part = scroll_bar_up_arrow;
+      break;
+    case kControlDownButtonPart:
+      bufp->part = scroll_bar_down_arrow;
+      break;
+    case kControlPageUpPart:
+      bufp->part = scroll_bar_above_handle;
+      break;
+    case kControlPageDownPart:
+      bufp->part = scroll_bar_below_handle;
+      break;
+#if TARGET_API_MAC_CARBON
+    default:
+#else
+    case kControlIndicatorPart:
+#endif
+      if (er->what == mouseDown)
+        bar->dragging = make_number (0);
+      XSETVECTOR (last_mouse_scroll_bar, bar);
+      bufp->part = scroll_bar_handle;
+      break;
+    }
+
+  win_y = XINT (bufp->y) - XINT (bar->top);
+  top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (0/*dummy*/, XINT (bar->height));
+
+  win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER;
+
+  win_y -= 24;
+
+  if (! NILP (bar->dragging))
+    win_y -= XINT (bar->dragging);
+
+  if (win_y < 0)
+    win_y = 0;
+  if (win_y > top_range)
+    win_y = top_range;
+
+  XSETINT (bufp->x, win_y);
+  XSETINT (bufp->y, top_range);
+}
+
+/* Return information to the user about the current position of the mouse
+   on the scroll bar.  */
+
+void
+x_scroll_bar_report_motion (fp, bar_window, part, x, y, time)
+     FRAME_PTR *fp;
+     Lisp_Object *bar_window;
+     enum scroll_bar_part *part;
+     Lisp_Object *x, *y;
+     unsigned long *time;
+{
+  struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar);
+  ControlRef ch = SCROLL_BAR_CONTROL_REF (bar);
+#if TARGET_API_MAC_CARBON
+  WindowRef wp = GetControlOwner (ch);
+#else
+  WindowRef wp = (*ch)->contrlOwner;
+#endif
+  Point mouse_pos;
+  struct frame *f = mac_window_to_frame (wp);
+  int win_y, top_range;
+
+#if TARGET_API_MAC_CARBON
+  GetGlobalMouse (&mouse_pos);
+  mouse_pos.h -= f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f);
+  mouse_pos.v -= f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f);
+#else
+  SetPortWindowPort (wp);
+  GetMouse (&mouse_pos);
+#endif
+
+  win_y = mouse_pos.v - XINT (bar->top);
+  top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height));
+
+  win_y -= VERTICAL_SCROLL_BAR_TOP_BORDER;
+
+  win_y -= 24;
+
+  if (! NILP (bar->dragging))
+    win_y -= XINT (bar->dragging);
+
+  if (win_y < 0)
+    win_y = 0;
+  if (win_y > top_range)
+    win_y = top_range;
+
+  *fp = f;
+  *bar_window = bar->window;
+
+  if (! NILP (bar->dragging))
+    *part = scroll_bar_handle;
+  else if (win_y < XINT (bar->start))
+    *part = scroll_bar_above_handle;
+  else if (win_y < XINT (bar->end) + VERTICAL_SCROLL_BAR_MIN_HANDLE)
+    *part = scroll_bar_handle;
+  else
+    *part = scroll_bar_below_handle;
+
+  XSETINT (*x, win_y);
+  XSETINT (*y, top_range);
+
+  f->mouse_moved = 0;
+  last_mouse_scroll_bar = Qnil;
+
+  *time = last_mouse_movement_time;
+}
+
+#ifndef USE_TOOLKIT_SCROLL_BARS
+/* Draw BAR's handle in the proper position.
+
+   If the handle is already drawn from START to END, don't bother
+   redrawing it, unless REBUILD is non-zero; in that case, always
+   redraw it.  (REBUILD is handy for drawing the handle after expose
+   events.)
+
+   Normally, we want to constrain the start and end of the handle to
+   fit inside its rectangle, but if the user is dragging the scroll
+   bar handle, we want to let them drag it down all the way, so that
+   the bar's top is as far down as it goes; otherwise, there's no way
+   to move to the very end of the buffer.  */
+
+void
+x_scroll_bar_set_handle (bar, start, end, rebuild)
+     struct scroll_bar *bar;
+     int start, end;
+     int rebuild;
+{
+  int dragging = ! NILP (bar->dragging);
+  ControlRef ch = SCROLL_BAR_CONTROL_REF (bar);
+  FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window)));
+  int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height));
+  int length = end - start;
+
+  /* If the display is already accurate, do nothing.  */
+  if (! rebuild
+      && start == XINT (bar->start)
+      && end == XINT (bar->end))
+    return;
+
+  BLOCK_INPUT;
+
+  /* Make sure the values are reasonable, and try to preserve the
+     distance between start and end.  */
+  if (start < 0)
+    start = 0;
+  else if (start > top_range)
+    start = top_range;
+  end = start + length;
+
+  if (end < start)
+    end = start;
+  else if (end > top_range && ! dragging)
+    end = top_range;
+
+  /* Store the adjusted setting in the scroll bar.  */
+  XSETINT (bar->start, start);
+  XSETINT (bar->end, end);
+
+  /* Clip the end position, just for display.  */
+  if (end > top_range)
+    end = top_range;
+
+  /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels below
+     top positions, to make sure the handle is always at least that
+     many pixels tall.  */
+  end += VERTICAL_SCROLL_BAR_MIN_HANDLE;
+
+  SetControlMinimum (ch, 0);
+  /* Don't inadvertently activate deactivated scroll bars */
+  if (GetControlMaximum (ch) != -1)
+    SetControlMaximum (ch, top_range + VERTICAL_SCROLL_BAR_MIN_HANDLE
+		       - (end - start));
+  SetControlValue (ch, start);
+#if TARGET_API_MAC_CARBON
+  SetControlViewSize (ch, end - start);
+#endif
+
+  UNBLOCK_INPUT;
+}
+
+/* Handle some mouse motion while someone is dragging the scroll bar.
+
+   This may be called from a signal handler, so we have to ignore GC
+   mark bits.  */
+
+static void
+x_scroll_bar_note_movement (bar, y_pos, t)
+     struct scroll_bar *bar;
+     int y_pos;
+     Time t;
+{
+  FRAME_PTR f = XFRAME (XWINDOW (bar->window)->frame);
+
+  last_mouse_movement_time = t;
+
+  f->mouse_moved = 1;
+  XSETVECTOR (last_mouse_scroll_bar, bar);
+
+  /* If we're dragging the bar, display it.  */
+  if (! GC_NILP (bar->dragging))
+    {
+      /* Where should the handle be now?  */
+      int new_start = y_pos - 24;
+
+      if (new_start != XINT (bar->start))
+	{
+	  int new_end = new_start + (XINT (bar->end) - XINT (bar->start));
+
+	  x_scroll_bar_set_handle (bar, new_start, new_end, 0);
+	}
+    }
+}
+#endif /* !USE_TOOLKIT_SCROLL_BARS */
+
+
+/***********************************************************************
+			       Tool-bars
+ ***********************************************************************/
+
+#if USE_MAC_TOOLBAR
+/* In identifiers such as function/variable names, Emacs tool bar is
+   referred to as `tool_bar', and Carbon HIToolbar as `toolbar'.  */
+
+#define TOOLBAR_IDENTIFIER (CFSTR ("org.gnu.Emacs.toolbar"))
+#define TOOLBAR_ICON_ITEM_IDENTIFIER (CFSTR ("org.gnu.Emacs.toolbar.icon"))
+
+#define TOOLBAR_ITEM_COMMAND_ID_OFFSET 'Tb\0\0'
+#define TOOLBAR_ITEM_COMMAND_ID_P(id)			\
+  (((id) & ~0xffff) == TOOLBAR_ITEM_COMMAND_ID_OFFSET)
+#define TOOLBAR_ITEM_COMMAND_ID_VALUE(id)	\
+  ((id) - TOOLBAR_ITEM_COMMAND_ID_OFFSET)
+#define TOOLBAR_ITEM_MAKE_COMMAND_ID(value)	\
+  ((value) + TOOLBAR_ITEM_COMMAND_ID_OFFSET)
+
+static OSStatus mac_handle_toolbar_command_event P_ ((EventHandlerCallRef,
+						      EventRef, void *));
+
+extern Rect last_mouse_glyph;
+
+extern void mac_move_window_with_gravity P_ ((struct frame *, int,
+					      short, short));
+extern void mac_get_window_origin_with_gravity P_ ((struct frame *, int,
+						    short *, short *));
+extern CGImageRef mac_image_spec_to_cg_image P_ ((struct frame *,
+						  Lisp_Object));
+
+static OSStatus
+mac_handle_toolbar_event (next_handler, event, data)
+     EventHandlerCallRef next_handler;
+     EventRef event;
+     void *data;
+{
+  OSStatus result = eventNotHandledErr;
+
+  switch (GetEventKind (event))
+    {
+    case kEventToolbarGetDefaultIdentifiers:
+      result = noErr;
+      break;
+
+    case kEventToolbarGetAllowedIdentifiers:
+      {
+	CFMutableArrayRef array;
+
+	GetEventParameter (event, kEventParamMutableArray,
+			   typeCFMutableArrayRef, NULL,
+			   sizeof (CFMutableArrayRef), NULL, &array);
+	CFArrayAppendValue (array, TOOLBAR_ICON_ITEM_IDENTIFIER);
+	result = noErr;
+      }
+      break;
+
+    case kEventToolbarCreateItemWithIdentifier:
+      {
+	CFStringRef identifier;
+	HIToolbarItemRef item = NULL;
+
+	GetEventParameter (event, kEventParamToolbarItemIdentifier,
+			   typeCFStringRef, NULL,
+			   sizeof (CFStringRef), NULL, &identifier);
+
+	if (CFStringCompare (identifier, TOOLBAR_ICON_ITEM_IDENTIFIER, 0)
+	    == kCFCompareEqualTo)
+	  HIToolbarItemCreate (identifier,
+			       kHIToolbarItemAllowDuplicates
+			       | kHIToolbarItemCantBeRemoved, &item);
+
+	if (item)
+	  {
+	    SetEventParameter (event, kEventParamToolbarItem,
+			       typeHIToolbarItemRef,
+			       sizeof (HIToolbarItemRef), &item);
+	    result = noErr;
+	  }
+      }
+      break;
+
+    default:
+      abort ();
+    }
+
+  return result;
+}
+
+/* Create a tool bar for frame F.  */
+
+static OSStatus
+mac_create_frame_tool_bar (f)
+     FRAME_PTR f;
+{
+  OSStatus err;
+  HIToolbarRef toolbar;
+
+  err = HIToolbarCreate (TOOLBAR_IDENTIFIER, kHIToolbarNoAttributes,
+			 &toolbar);
+  if (err == noErr)
+    {
+      static const EventTypeSpec specs[] =
+	{{kEventClassToolbar, kEventToolbarGetDefaultIdentifiers},
+	 {kEventClassToolbar, kEventToolbarGetAllowedIdentifiers},
+	 {kEventClassToolbar, kEventToolbarCreateItemWithIdentifier}};
+
+      err = InstallEventHandler (HIObjectGetEventTarget (toolbar),
+				 mac_handle_toolbar_event,
+				 GetEventTypeCount (specs), specs,
+				 f, NULL);
+    }
+
+  if (err == noErr)
+    err = HIToolbarSetDisplayMode (toolbar, kHIToolbarDisplayModeIconOnly);
+  if (err == noErr)
+    {
+      static const EventTypeSpec specs[] =
+	{{kEventClassCommand, kEventCommandProcess}};
+
+      err = InstallWindowEventHandler (FRAME_MAC_WINDOW (f),
+				       mac_handle_toolbar_command_event,
+				       GetEventTypeCount (specs),
+				       specs, f, NULL);
+    }
+  if (err == noErr)
+    err = SetWindowToolbar (FRAME_MAC_WINDOW (f), toolbar);
+
+  if (toolbar)
+    CFRelease (toolbar);
+
+  return err;
+}
+
+/* Update the tool bar for frame F.  Add new buttons and remove old.  */
+
+void
+update_frame_tool_bar (f)
+     FRAME_PTR f;
+{
+  HIToolbarRef toolbar = NULL;
+  short left, top;
+  CFArrayRef old_items = NULL;
+  CFIndex old_count;
+  int i, pos, win_gravity = f->output_data.mac->toolbar_win_gravity;
+  struct mac_display_info *dpyinfo = FRAME_MAC_DISPLAY_INFO (f);
+
+  BLOCK_INPUT;
+
+  GetWindowToolbar (FRAME_MAC_WINDOW (f), &toolbar);
+  if (toolbar == NULL)
+    {
+      mac_create_frame_tool_bar (f);
+      GetWindowToolbar (FRAME_MAC_WINDOW (f), &toolbar);
+      if (toolbar == NULL)
+	goto out;
+      if (win_gravity >= NorthWestGravity && win_gravity <= SouthEastGravity)
+	mac_get_window_origin_with_gravity (f, win_gravity, &left, &top);
+    }
+
+  HIToolbarCopyItems (toolbar, &old_items);
+  if (old_items == NULL)
+    goto out;
+
+  old_count = CFArrayGetCount (old_items);
+  pos = 0;
+  for (i = 0; i < f->n_tool_bar_items; ++i)
+    {
+#define PROP(IDX) AREF (f->tool_bar_items, i * TOOL_BAR_ITEM_NSLOTS + (IDX))
+
+      int enabled_p = !NILP (PROP (TOOL_BAR_ITEM_ENABLED_P));
+      int selected_p = !NILP (PROP (TOOL_BAR_ITEM_SELECTED_P));
+      int idx;
+      Lisp_Object image;
+      CGImageRef cg_image;
+      CFStringRef label;
+      HIToolbarItemRef item;
+
+      /* If image is a vector, choose the image according to the
+	 button state.  */
+      image = PROP (TOOL_BAR_ITEM_IMAGES);
+      if (VECTORP (image))
+	{
+	  if (enabled_p)
+	    idx = (selected_p
+		   ? TOOL_BAR_IMAGE_ENABLED_SELECTED
+		   : TOOL_BAR_IMAGE_ENABLED_DESELECTED);
+	  else
+	    idx = (selected_p
+		   ? TOOL_BAR_IMAGE_DISABLED_SELECTED
+		   : TOOL_BAR_IMAGE_DISABLED_DESELECTED);
+
+	  xassert (ASIZE (image) >= idx);
+	  image = AREF (image, idx);
+	}
+      else
+	idx = -1;
+
+      cg_image = mac_image_spec_to_cg_image (f, image);
+      /* Ignore invalid image specifications.  */
+      if (cg_image == NULL)
+	continue;
+
+      label = cfstring_create_with_string (PROP (TOOL_BAR_ITEM_CAPTION));
+      if (label == NULL)
+	label = CFSTR ("");
+
+      if (pos < old_count)
+	{
+	  CGImageRef old_cg_image = NULL;
+	  CFStringRef old_label = NULL;
+	  Boolean old_enabled_p;
+
+	  item = (HIToolbarItemRef) CFArrayGetValueAtIndex (old_items, pos);
+
+	  HIToolbarItemCopyImage (item, &old_cg_image);
+	  if (cg_image != old_cg_image)
+	    HIToolbarItemSetImage (item, cg_image);
+	  CGImageRelease (old_cg_image);
+
+	  HIToolbarItemCopyLabel (item, &old_label);
+	  if (CFStringCompare (label, old_label, 0) != kCFCompareEqualTo)
+	    HIToolbarItemSetLabel (item, label);
+	  CFRelease (old_label);
+
+	  old_enabled_p = HIToolbarItemIsEnabled (item);
+	  if ((enabled_p || idx >= 0) != old_enabled_p)
+	    HIToolbarItemSetEnabled (item, (enabled_p || idx >= 0));
+	}
+      else
+	{
+	  item = NULL;
+	  HIToolbarCreateItemWithIdentifier (toolbar,
+					     TOOLBAR_ICON_ITEM_IDENTIFIER,
+					     NULL, &item);
+	  if (item)
+	    {
+	      HIToolbarItemSetImage (item, cg_image);
+	      HIToolbarItemSetLabel (item, label);
+	      HIToolbarItemSetEnabled (item, (enabled_p || idx >= 0));
+	      HIToolbarAppendItem (toolbar, item);
+	      CFRelease (item);
+	    }
+	}
+
+      CFRelease (label);
+      if (item)
+	{
+	  HIToolbarItemSetCommandID (item, TOOLBAR_ITEM_MAKE_COMMAND_ID (i));
+	  pos++;
+	}
+    }
+
+  CFRelease (old_items);
+
+  while (pos < old_count)
+    HIToolbarRemoveItemAtIndex (toolbar, --old_count);
+
+  ShowHideWindowToolbar (FRAME_MAC_WINDOW (f), true,
+			 !win_gravity && f == mac_focus_frame (dpyinfo));
+  /* Mac OS X 10.3 does not issue kEventWindowBoundsChanged events on
+     toolbar visibility change.  */
+  mac_handle_origin_change (f);
+  if (win_gravity >= NorthWestGravity && win_gravity <= SouthEastGravity)
+    {
+      mac_move_window_with_gravity (f, win_gravity, left, top);
+      /* If the title bar is completely outside the screen, adjust the
+	 position. */
+      ConstrainWindowToScreen (FRAME_MAC_WINDOW (f), kWindowTitleBarRgn,
+			       kWindowConstrainMoveRegardlessOfFit
+			       | kWindowConstrainAllowPartial, NULL, NULL);
+      f->output_data.mac->toolbar_win_gravity = 0;
+    }
+
+ out:
+  UNBLOCK_INPUT;
+}
+
+/* Hide the tool bar on frame F.  Unlike the counterpart on GTK+, it
+   doesn't deallocate the resources.  */
+
+void
+free_frame_tool_bar (f)
+     FRAME_PTR f;
+{
+  if (IsWindowToolbarVisible (FRAME_MAC_WINDOW (f)))
+    {
+      struct mac_display_info *dpyinfo = FRAME_MAC_DISPLAY_INFO (f);
+
+      BLOCK_INPUT;
+      ShowHideWindowToolbar (FRAME_MAC_WINDOW (f), false,
+			     (NILP (find_symbol_value
+				    (intern ("frame-notice-user-settings")))
+			      && f == mac_focus_frame (dpyinfo)));
+      /* Mac OS X 10.3 does not issue kEventWindowBoundsChanged events
+	 on toolbar visibility change.  */
+      mac_handle_origin_change (f);
+      UNBLOCK_INPUT;
+    }
+}
+
+/* Report a mouse movement over toolbar to the mainstream Emacs
+   code.  */
+
+static void
+mac_tool_bar_note_mouse_movement (f, event)
+     struct frame *f;
+     EventRef event;
+{
+  OSStatus err;
+  struct mac_display_info *dpyinfo = FRAME_MAC_DISPLAY_INFO (f);
+  int mouse_down_p;
+  WindowRef window;
+  WindowPartCode part_code;
+  HIViewRef item_view;
+  UInt32 command_id;
+
+  mouse_down_p = (dpyinfo->grabbed
+		  && f == last_mouse_frame
+		  && FRAME_LIVE_P (f));
+  if (mouse_down_p)
+    return;
+
+  err = GetEventParameter (event, kEventParamWindowRef, typeWindowRef, NULL,
+			   sizeof (WindowRef), NULL, &window);
+  if (err != noErr || window != FRAME_MAC_WINDOW (f))
+    return;
+
+  err = GetEventParameter (event, kEventParamWindowPartCode,
+			   typeWindowPartCode, NULL,
+			   sizeof (WindowPartCode), NULL, &part_code);
+  if (err != noErr || part_code != inStructure)
+    return;
+
+  err = HIViewGetViewForMouseEvent (HIViewGetRoot (window), event, &item_view);
+  /* This doesn't work on Mac OS X 10.2.  On Mac OS X 10.3 and 10.4, a
+     toolbar item view seems to have the same command ID with that of
+     the toolbar item.  */
+  if (err == noErr)
+    err = GetControlCommandID (item_view, &command_id);
+  if (err == noErr && TOOLBAR_ITEM_COMMAND_ID_P (command_id))
+    {
+      int i = TOOLBAR_ITEM_COMMAND_ID_VALUE (command_id);
+
+      if (i < f->n_tool_bar_items)
+	{
+	  HIRect bounds;
+	  HIViewRef content_view;
+
+	  err = HIViewGetBounds (item_view, &bounds);
+	  if (err == noErr)
+	    err = HIViewFindByID (HIViewGetRoot (window),
+				  kHIViewWindowContentID, &content_view);
+	  if (err == noErr)
+	    err = HIViewConvertRect (&bounds, item_view, content_view);
+	  if (err == noErr)
+	    SetRect (&last_mouse_glyph,
+		     CGRectGetMinX (bounds), CGRectGetMinY (bounds),
+		     CGRectGetMaxX (bounds), CGRectGetMaxY (bounds));
+
+	  help_echo_object = help_echo_window = Qnil;
+	  help_echo_pos = -1;
+	  help_echo_string = PROP (TOOL_BAR_ITEM_HELP);
+	  if (NILP (help_echo_string))
+	    help_echo_string = PROP (TOOL_BAR_ITEM_CAPTION);
+	}
+    }
+}
+
+static OSStatus
+mac_handle_toolbar_command_event (next_handler, event, data)
+     EventHandlerCallRef next_handler;
+     EventRef event;
+     void *data;
+{
+  OSStatus err, result = eventNotHandledErr;
+  struct frame *f = (struct frame *) data;
+  HICommand command;
+
+  err = GetEventParameter (event, kEventParamDirectObject,
+			   typeHICommand, NULL,
+			   sizeof (HICommand), NULL, &command);
+  if (err != noErr)
+    return result;
+
+  switch (GetEventKind (event))
+    {
+    case kEventCommandProcess:
+      if (!TOOLBAR_ITEM_COMMAND_ID_P (command.commandID))
+	result = CallNextEventHandler (next_handler, event);
+      else
+	{
+	  int i = TOOLBAR_ITEM_COMMAND_ID_VALUE (command.commandID);
+
+	  if (i < f->n_tool_bar_items
+	      && !NILP (PROP (TOOL_BAR_ITEM_ENABLED_P)))
+	    {
+	      Lisp_Object frame;
+	      struct input_event buf;
+
+	      EVENT_INIT (buf);
+
+	      XSETFRAME (frame, f);
+	      buf.kind = TOOL_BAR_EVENT;
+	      buf.frame_or_window = frame;
+	      buf.arg = frame;
+	      kbd_buffer_store_event (&buf);
+
+	      buf.kind = TOOL_BAR_EVENT;
+	      buf.frame_or_window = frame;
+	      buf.arg = PROP (TOOL_BAR_ITEM_KEY);
+	      buf.modifiers = mac_event_to_emacs_modifiers (event);
+	      kbd_buffer_store_event (&buf);
+
+	      result = noErr;
+	    }
+	}
+      break;
+
+    default:
+      abort ();
+    }
+#undef PROP
+
+  return result;
+}
+#endif	/* USE_MAC_TOOLBAR */
+
+
+/***********************************************************************
+			      Font Panel
+ ***********************************************************************/
+
+#if USE_MAC_FONT_PANEL
+/* Whether Font Panel has been shown before.  The first call to font
+   panel functions (FPIsFontPanelVisible, SetFontInfoForSelection) is
+   slow.  This variable is used for deferring such a call as much as
+   possible.  */
+static int font_panel_shown_p = 0;
+
+extern Lisp_Object Qpanel_closed, Qselection;
+extern Lisp_Object Qfont;
+
+/* Whether the font panel is currently visible.  */
+
+int
+mac_font_panel_visible_p ()
+{
+  return font_panel_shown_p && FPIsFontPanelVisible ();
+}
+
+static pascal OSStatus
+mac_handle_font_event (next_handler, event, data)
+     EventHandlerCallRef next_handler;
+     EventRef event;
+     void *data;
+{
+  OSStatus result, err;
+  Lisp_Object id_key;
+  int num_params;
+  const EventParamName *names;
+  const EventParamType *types;
+  static const EventParamName names_sel[] = {kEventParamATSUFontID,
+					     kEventParamATSUFontSize,
+					     kEventParamFMFontFamily,
+					     kEventParamFMFontStyle,
+					     kEventParamFMFontSize,
+					     kEventParamFontColor};
+  static const EventParamType types_sel[] = {typeATSUFontID,
+					     typeATSUSize,
+					     typeFMFontFamily,
+					     typeFMFontStyle,
+					     typeFMFontSize,
+					     typeFontColor};
+
+  result = CallNextEventHandler (next_handler, event);
+  if (result != eventNotHandledErr)
+    return result;
+
+  switch (GetEventKind (event))
+    {
+    case kEventFontPanelClosed:
+      id_key = Qpanel_closed;
+      num_params = 0;
+      names = NULL;
+      types = NULL;
+      break;
+
+    case kEventFontSelection:
+      id_key = Qselection;
+      num_params = sizeof (names_sel) / sizeof (names_sel[0]);
+      names = names_sel;
+      types = types_sel;
+      break;
+    }
+
+  err = mac_store_event_ref_as_apple_event (0, 0, Qfont, id_key,
+					    event, num_params,
+					    names, types);
+  if (err == noErr)
+    result = noErr;
+
+  return result;
+}
+
+/* Toggle visiblity of the font panel.  */
+
+OSStatus
+mac_show_hide_font_panel ()
+{
+  if (!font_panel_shown_p)
+    {
+      OSStatus err;
+
+      static const EventTypeSpec specs[] =
+	{{kEventClassFont, kEventFontPanelClosed},
+	 {kEventClassFont, kEventFontSelection}};
+
+      err = InstallApplicationEventHandler (mac_handle_font_event,
+					    GetEventTypeCount (specs),
+					    specs, NULL, NULL);
+      if (err != noErr)
+	return err;
+
+      font_panel_shown_p = 1;
+    }
+
+  return FPShowHideFontPanel ();
+}
+
+/* Set the font selected in the font panel to the one corresponding to
+   the face FACE_ID and the charcacter C in the frame F.  */
+
+OSStatus
+mac_set_font_info_for_selection (f, face_id, c)
+     struct frame *f;
+     int face_id, c;
+{
+  OSStatus err;
+  EventTargetRef target = NULL;
+  XFontStruct *font = NULL;
+
+  if (!mac_font_panel_visible_p ())
+    return noErr;
+
+  if (f)
+    {
+      target = GetWindowEventTarget (FRAME_MAC_WINDOW (f));
+
+      if (FRAME_FACE_CACHE (f) && CHAR_VALID_P (c, 0))
+	{
+	  struct face *face;
+
+	  face_id = FACE_FOR_CHAR (f, FACE_FROM_ID (f, face_id), c);
+	  face = FACE_FROM_ID (f, face_id);
+	  font = face->font;
+	}
+    }
+
+  if (font == NULL)
+    err = SetFontInfoForSelection (kFontSelectionATSUIType, 0, NULL, target);
+  else
+    {
+      if (font->mac_fontnum != -1)
+	{
+	  FontSelectionQDStyle qd_style;
+
+	  qd_style.version = kFontSelectionQDStyleVersionZero;
+	  qd_style.instance.fontFamily = font->mac_fontnum;
+	  qd_style.instance.fontStyle = font->mac_fontface;
+	  qd_style.size = font->mac_fontsize;
+	  qd_style.hasColor = false;
+
+	  err = SetFontInfoForSelection (kFontSelectionQDType,
+					 1, &qd_style, target);
+	}
+      else
+	err = SetFontInfoForSelection (kFontSelectionATSUIType,
+				       1, &font->mac_style, target);
+    }
+
+  return err;
+}
+#endif	/* USE_MAC_FONT_PANEL */
+
+
+/************************************************************************
+			    Event Handling
+ ************************************************************************/
+
+/* Non-zero means that a HELP_EVENT has been generated since Emacs
+   start.  */
+
+static int any_help_event_p;
+
+/* Last window where we saw the mouse.  Used by mouse-autoselect-window.  */
+static Lisp_Object last_window;
+
+static Point saved_menu_event_location;
+
+extern struct frame *pending_autoraise_frame;
+
+extern FRAME_PTR last_mouse_glyph_frame;
+
+#ifdef __STDC__
+extern int volatile input_signal_count;
+#else
+extern int input_signal_count;
+#endif
+
+extern int mac_screen_config_changed;
+
+extern Lisp_Object Vmac_emulate_three_button_mouse;
+#if TARGET_API_MAC_CARBON
+extern int mac_wheel_button_is_mouse_2;
+extern int mac_pass_command_to_system;
+extern int mac_pass_control_to_system;
+#endif	/* TARGET_API_MAC_CARBON */
+extern int mac_ready_for_apple_events;
+
+extern void mac_focus_changed P_ ((int, struct mac_display_info *,
+				   struct frame *, struct input_event *));
+extern int mac_get_emulated_btn P_ ((UInt32));
+extern int note_mouse_movement P_ ((FRAME_PTR, Point *));
+extern void mac_get_screen_info P_ ((struct mac_display_info *));
+
+/* The focus may have changed.  Figure out if it is a real focus change,
+   by checking both FocusIn/Out and Enter/LeaveNotify events.
+
+   Returns FOCUS_IN_EVENT event in *BUFP. */
+
+static void
+x_detect_focus_change (dpyinfo, event, bufp)
+     struct mac_display_info *dpyinfo;
+     const EventRecord *event;
+     struct input_event *bufp;
+{
+  struct frame *frame;
+
+  frame = mac_window_to_frame ((WindowRef) event->message);
+  if (! frame)
+    return;
+
+  /* On Mac, this is only called from focus events, so no switch needed.  */
+  mac_focus_changed ((event->modifiers & activeFlag),
+		     dpyinfo, frame, bufp);
+}
+
+#if TARGET_API_MAC_CARBON
+/* Obtains the event modifiers from the event EVENTREF and then calls
+   mac_to_emacs_modifiers.  */
+
+static int
+mac_event_to_emacs_modifiers (EventRef eventRef)
+{
+  UInt32 mods = 0, class;
+
+  GetEventParameter (eventRef, kEventParamKeyModifiers, typeUInt32, NULL,
+		    sizeof (UInt32), NULL, &mods);
+  class = GetEventClass (eventRef);
+  if (!NILP (Vmac_emulate_three_button_mouse) &&
+      (class == kEventClassMouse || class == kEventClassCommand))
+    {
+      mods &= ~(optionKey | cmdKey);
+    }
+  return mac_to_emacs_modifiers (mods, 0);
+}
+
+/* Given an event REF, return the code to use for the mouse button
+   code in the emacs input_event.  */
+
+static int
+mac_get_mouse_btn (EventRef ref)
+{
+  EventMouseButton result = kEventMouseButtonPrimary;
+  GetEventParameter (ref, kEventParamMouseButton, typeMouseButton, NULL,
+		    sizeof (EventMouseButton), NULL, &result);
+  switch (result)
+    {
+    case kEventMouseButtonPrimary:
+      if (NILP (Vmac_emulate_three_button_mouse))
+	return 0;
+      else {
+	UInt32 mods = 0;
+	GetEventParameter (ref, kEventParamKeyModifiers, typeUInt32, NULL,
+			   sizeof (UInt32), NULL, &mods);
+	return mac_get_emulated_btn(mods);
+      }
+    case kEventMouseButtonSecondary:
+      return mac_wheel_button_is_mouse_2 ? 2 : 1;
+    case kEventMouseButtonTertiary:
+    case 4:  /* 4 is the number for the mouse wheel button */
+      return mac_wheel_button_is_mouse_2 ? 1 : 2;
+    default:
+      return 0;
+    }
+}
+
+/* Normally, ConvertEventRefToEventRecord will correctly handle all
+   events.  However the click of the mouse wheel is not converted to a
+   mouseDown or mouseUp event.  Likewise for dead key events.  This
+   calls ConvertEventRefToEventRecord, but then checks to see if it is
+   a mouse up/down, or a dead key Carbon event that has not been
+   converted, and if so, converts it by hand (to be picked up in the
+   XTread_socket loop).  */
+static Boolean mac_convert_event_ref (EventRef eventRef, EventRecord *eventRec)
+{
+  OSStatus err;
+  Boolean result = ConvertEventRefToEventRecord (eventRef, eventRec);
+  EventKind action;
+
+  if (result)
+    return result;
+
+  switch (GetEventClass (eventRef))
+    {
+    case kEventClassMouse:
+      switch (GetEventKind (eventRef))
+	{
+	case kEventMouseDown:
+	  eventRec->what = mouseDown;
+	  result = 1;
+	  break;
+
+	case kEventMouseUp:
+	  eventRec->what = mouseUp;
+	  result = 1;
+	  break;
+
+	default:
+	  break;
+	}
+      break;
+
+    case kEventClassKeyboard:
+      switch (GetEventKind (eventRef))
+	{
+	case kEventRawKeyDown:
+	  action = keyDown;
+	  goto keystroke_common;
+	case kEventRawKeyRepeat:
+	  action = autoKey;
+	  goto keystroke_common;
+	case kEventRawKeyUp:
+	  action = keyUp;
+	keystroke_common:
+	  {
+	    unsigned char char_codes;
+	    UInt32 key_code;
+
+	    err = GetEventParameter (eventRef, kEventParamKeyMacCharCodes,
+				     typeChar, NULL, sizeof (char),
+				     NULL, &char_codes);
+	    if (err == noErr)
+	      err = GetEventParameter (eventRef, kEventParamKeyCode,
+				       typeUInt32, NULL, sizeof (UInt32),
+				       NULL, &key_code);
+	    if (err == noErr)
+	      {
+		eventRec->what = action;
+		eventRec->message = char_codes | ((key_code & 0xff) << 8);
+		result = 1;
+	      }
+	  }
+	  break;
+
+	default:
+	  break;
+	}
+      break;
+
+    default:
+      break;
+    }
+
+  if (result)
+    {
+      /* Need where and when.  */
+      UInt32 mods = 0;
+
+      GetEventParameter (eventRef, kEventParamMouseLocation, typeQDPoint,
+			 NULL, sizeof (Point), NULL, &eventRec->where);
+      /* Use two step process because new event modifiers are 32-bit
+	 and old are 16-bit.  Currently, only loss is NumLock & Fn. */
+      GetEventParameter (eventRef, kEventParamKeyModifiers, typeUInt32,
+			 NULL, sizeof (UInt32), NULL, &mods);
+      eventRec->modifiers = mods;
+
+      eventRec->when = EventTimeToTicks (GetEventTime (eventRef));
+    }
+
+  return result;
+}
+#endif	/* TARGET_API_MAC_CARBON */
+
+#if !TARGET_API_MAC_CARBON
+static RgnHandle mouse_region = NULL;
+
+Boolean
+mac_wait_next_event (er, sleep_time, dequeue)
+     EventRecord *er;
+     UInt32 sleep_time;
+     Boolean dequeue;
+{
+  static EventRecord er_buf = {nullEvent};
+  UInt32 target_tick, current_tick;
+  EventMask event_mask;
+
+  if (mouse_region == NULL)
+    mouse_region = NewRgn ();
+
+  event_mask = everyEvent;
+  if (!mac_ready_for_apple_events)
+    event_mask -= highLevelEventMask;
+
+  current_tick = TickCount ();
+  target_tick = current_tick + sleep_time;
+
+  if (er_buf.what == nullEvent)
+    while (!WaitNextEvent (event_mask, &er_buf,
+			   target_tick - current_tick, mouse_region))
+      {
+	current_tick = TickCount ();
+	if (target_tick <= current_tick)
+	  return false;
+      }
+
+  *er = er_buf;
+  if (dequeue)
+    er_buf.what = nullEvent;
+  return true;
+}
+#endif /* not TARGET_API_MAC_CARBON */
+
+#if TARGET_API_MAC_CARBON
+OSStatus
+mac_post_mouse_moved_event ()
+{
+  EventRef event = NULL;
+  OSStatus err;
+
+  err = CreateEvent (NULL, kEventClassMouse, kEventMouseMoved, 0,
+		     kEventAttributeNone, &event);
+  if (err == noErr)
+    {
+      Point mouse_pos;
+
+      GetGlobalMouse (&mouse_pos);
+      err = SetEventParameter (event, kEventParamMouseLocation, typeQDPoint,
+			       sizeof (Point), &mouse_pos);
+    }
+  if (err == noErr)
+    {
+      UInt32 modifiers = GetCurrentKeyModifiers ();
+
+      err = SetEventParameter (event, kEventParamKeyModifiers, typeUInt32,
+			       sizeof (UInt32), &modifiers);
+    }
+  if (err == noErr)
+    err = PostEventToQueue (GetCurrentEventQueue (), event,
+			    kEventPriorityStandard);
+  if (event)
+    ReleaseEvent (event);
+
+  return err;
+}
+#endif
+
+#ifdef MAC_OSX
+/* Run the current run loop in the default mode until some input
+   happens or TIMEOUT seconds passes unless it is negative.  Return
+   true if timeout occurs first.  */
+
+Boolean
+mac_run_loop_run_once (timeout)
+     EventTimeout timeout;
+{
+#if USE_CG_DRAWING
+  mac_prepare_for_quickdraw (NULL);
+#endif
+  return (CFRunLoopRunInMode (kCFRunLoopDefaultMode,
+			      timeout >= 0 ? timeout : 100000, true)
+	  == kCFRunLoopRunTimedOut);
+}
+#endif
+
+/* Emacs calls this whenever it wants to read an input event from the
+   user. */
+
+int
+XTread_socket (sd, expected, hold_quit)
+     int sd, expected;
+     struct input_event *hold_quit;
+{
+  struct input_event inev;
+  int count = 0;
+#if TARGET_API_MAC_CARBON
+  EventRef eventRef;
+  EventTargetRef toolbox_dispatcher;
+#endif
+  EventRecord er;
+  struct mac_display_info *dpyinfo = &one_mac_display_info;
+
+  if (interrupt_input_blocked)
+    {
+      interrupt_input_pending = 1;
+      return -1;
+    }
+
+  interrupt_input_pending = 0;
+  BLOCK_INPUT;
+
+  /* So people can tell when we have read the available input.  */
+  input_signal_count++;
+
+  ++handling_signal;
+
+#if TARGET_API_MAC_CARBON
+  toolbox_dispatcher = GetEventDispatcherTarget ();
+
+  while (
+#if USE_CG_DRAWING
+	 mac_prepare_for_quickdraw (NULL),
+#endif
+	 !ReceiveNextEvent (0, NULL, kEventDurationNoWait,
+			    kEventRemoveFromQueue, &eventRef))
+#else /* !TARGET_API_MAC_CARBON */
+  while (mac_wait_next_event (&er, 0, true))
+#endif /* !TARGET_API_MAC_CARBON */
+    {
+      int do_help = 0;
+      struct frame *f;
+      unsigned long timestamp;
+
+      EVENT_INIT (inev);
+      inev.kind = NO_EVENT;
+      inev.arg = Qnil;
+
+#if TARGET_API_MAC_CARBON
+      timestamp = GetEventTime (eventRef) / kEventDurationMillisecond;
+
+      if (!mac_convert_event_ref (eventRef, &er))
+	goto OTHER;
+#else  /* !TARGET_API_MAC_CARBON */
+      timestamp = er.when * (1000 / 60); /* ticks to milliseconds */
+#endif  /* !TARGET_API_MAC_CARBON */
+
+      switch (er.what)
+	{
+	case mouseDown:
+	case mouseUp:
+	  {
+	    WindowRef window_ptr;
+	    ControlPartCode part_code;
+	    int tool_bar_p = 0;
+
+#if TARGET_API_MAC_CARBON
+	    OSStatus err;
+
+	    /* This is needed to send mouse events like aqua window
+	       buttons to the correct handler.  */
+	    read_socket_inev = &inev;
+	    err = SendEventToEventTarget (eventRef, toolbox_dispatcher);
+	    read_socket_inev = NULL;
+	    if (err != eventNotHandledErr)
+	      break;
+#endif
+	    last_mouse_glyph_frame = 0;
+
+	    if (dpyinfo->grabbed && last_mouse_frame
+		&& FRAME_LIVE_P (last_mouse_frame))
+	      {
+		window_ptr = FRAME_MAC_WINDOW (last_mouse_frame);
+		part_code = inContent;
+	      }
+	    else
+	      {
+		part_code = FindWindow (er.where, &window_ptr);
+		if (tip_window && window_ptr == tip_window)
+		  {
+		    HideWindow (tip_window);
+		    part_code = FindWindow (er.where, &window_ptr);
+		  }
+	      }
+
+	    if (er.what != mouseDown
+		&& (part_code != inContent || dpyinfo->grabbed == 0))
+	      break;
+
+	    switch (part_code)
+	      {
+	      case inMenuBar:
+		f = mac_focus_frame (dpyinfo);
+		saved_menu_event_location = er.where;
+		inev.kind = MENU_BAR_ACTIVATE_EVENT;
+		XSETFRAME (inev.frame_or_window, f);
+		break;
+
+	      case inContent:
+		if (
+#if TARGET_API_MAC_CARBON
+		    FrontNonFloatingWindow ()
+#else
+		    FrontWindow ()
+#endif
+		    != window_ptr
+		    || (mac_window_to_frame (window_ptr)
+			!= dpyinfo->x_focus_frame))
+		  SelectWindow (window_ptr);
+		else
+		  {
+		    ControlPartCode control_part_code;
+		    ControlRef ch;
+		    Point mouse_loc;
+#ifdef MAC_OSX
+		    ControlKind control_kind;
+#endif
+
+		    f = mac_window_to_frame (window_ptr);
+		    /* convert to local coordinates of new window */
+		    mouse_loc.h = (er.where.h
+				   - (f->left_pos
+				      + FRAME_OUTER_TO_INNER_DIFF_X (f)));
+		    mouse_loc.v = (er.where.v
+				   - (f->top_pos
+				      + FRAME_OUTER_TO_INNER_DIFF_Y (f)));
+#if TARGET_API_MAC_CARBON
+		    ch = FindControlUnderMouse (mouse_loc, window_ptr,
+						&control_part_code);
+#ifdef MAC_OSX
+		    if (ch)
+		      GetControlKind (ch, &control_kind);
+#endif
+#else
+		    control_part_code = FindControl (mouse_loc, window_ptr,
+						     &ch);
+#endif
+
+#if TARGET_API_MAC_CARBON
+		    inev.code = mac_get_mouse_btn (eventRef);
+		    inev.modifiers = mac_event_to_emacs_modifiers (eventRef);
+#else
+		    inev.code = mac_get_emulated_btn (er.modifiers);
+		    inev.modifiers = mac_to_emacs_modifiers (er.modifiers, 0);
+#endif
+		    XSETINT (inev.x, mouse_loc.h);
+		    XSETINT (inev.y, mouse_loc.v);
+
+		    if ((dpyinfo->grabbed && tracked_scroll_bar)
+			|| (ch != 0
+#ifndef USE_TOOLKIT_SCROLL_BARS
+			    /* control_part_code becomes kControlNoPart if
+			       a progress indicator is clicked.  */
+			    && control_part_code != kControlNoPart
+#else  /* USE_TOOLKIT_SCROLL_BARS */
+#ifdef MAC_OSX
+			    && control_kind.kind == kControlKindScrollBar
+#endif	/* MAC_OSX */
+#endif	/* USE_TOOLKIT_SCROLL_BARS */
+			    ))
+		      {
+			struct scroll_bar *bar;
+
+			if (dpyinfo->grabbed && tracked_scroll_bar)
+			  {
+			    bar = tracked_scroll_bar;
+#ifndef USE_TOOLKIT_SCROLL_BARS
+			    control_part_code = kControlIndicatorPart;
+#endif
+			  }
+			else
+			  bar = (struct scroll_bar *) GetControlReference (ch);
+#ifdef USE_TOOLKIT_SCROLL_BARS
+			/* Make the "Ctrl-Mouse-2 splits window" work
+			   for toolkit scroll bars.  */
+			if (inev.modifiers & ctrl_modifier)
+			  x_scroll_bar_handle_click (bar, control_part_code,
+						     &er, &inev);
+			else if (er.what == mouseDown)
+			  x_scroll_bar_handle_press (bar, control_part_code,
+						     mouse_loc, &inev);
+			else
+			  x_scroll_bar_handle_release (bar, &inev);
+#else  /* not USE_TOOLKIT_SCROLL_BARS */
+			x_scroll_bar_handle_click (bar, control_part_code,
+						   &er, &inev);
+			if (er.what == mouseDown
+			    && control_part_code == kControlIndicatorPart)
+			  tracked_scroll_bar = bar;
+			else
+			  tracked_scroll_bar = NULL;
+#endif  /* not USE_TOOLKIT_SCROLL_BARS */
+		      }
+		    else
+		      {
+			Lisp_Object window;
+			int x = mouse_loc.h;
+			int y = mouse_loc.v;
+
+			window = window_from_coordinates (f, x, y, 0, 0, 0, 1);
+			if (EQ (window, f->tool_bar_window))
+			  {
+			    if (er.what == mouseDown)
+			      handle_tool_bar_click (f, x, y, 1, 0);
+			    else
+			      handle_tool_bar_click (f, x, y, 0,
+						     inev.modifiers);
+			    tool_bar_p = 1;
+			  }
+			else
+			  {
+			    XSETFRAME (inev.frame_or_window, f);
+			    inev.kind = MOUSE_CLICK_EVENT;
+			  }
+		      }
+
+		    if (er.what == mouseDown)
+		      {
+			dpyinfo->grabbed |= (1 << inev.code);
+			last_mouse_frame = f;
+
+			if (!tool_bar_p)
+			  last_tool_bar_item = -1;
+		      }
+		    else
+		      {
+			if ((dpyinfo->grabbed & (1 << inev.code)) == 0)
+			  /* If a button is released though it was not
+			     previously pressed, that would be because
+			     of multi-button emulation.  */
+			  dpyinfo->grabbed = 0;
+			else
+			  dpyinfo->grabbed &= ~(1 << inev.code);
+		      }
+
+		    /* Ignore any mouse motion that happened before
+		       this event; any subsequent mouse-movement Emacs
+		       events should reflect only motion after the
+		       ButtonPress.  */
+		    if (f != 0)
+		      f->mouse_moved = 0;
+
+#ifdef USE_TOOLKIT_SCROLL_BARS
+		    if (inev.kind == MOUSE_CLICK_EVENT
+			|| (inev.kind == SCROLL_BAR_CLICK_EVENT
+			    && (inev.modifiers & ctrl_modifier)))
+#endif
+		      switch (er.what)
+			{
+			case mouseDown:
+			  inev.modifiers |= down_modifier;
+			  break;
+			case mouseUp:
+			  inev.modifiers |= up_modifier;
+			  break;
+			}
+		  }
+		break;
+
+	      case inDrag:
+#if TARGET_API_MAC_CARBON
+	      case inProxyIcon:
+		if (IsWindowPathSelectClick (window_ptr, &er))
+		  {
+		    WindowPathSelect (window_ptr, NULL, NULL);
+		    break;
+		  }
+		if (part_code == inProxyIcon
+		    && (TrackWindowProxyDrag (window_ptr, er.where)
+			!= errUserWantsToDragWindow))
+		  break;
+		DragWindow (window_ptr, er.where, NULL);
+#else /* not TARGET_API_MAC_CARBON */
+		DragWindow (window_ptr, er.where, &qd.screenBits.bounds);
+		/* Update the frame parameters.  */
+		{
+		  struct frame *f = mac_window_to_frame (window_ptr);
+
+		  if (f && !f->async_iconified)
+		    mac_handle_origin_change (f);
+		}
+#endif /* not TARGET_API_MAC_CARBON */
+		break;
+
+	      case inGoAway:
+		if (TrackGoAway (window_ptr, er.where))
+		  {
+		    inev.kind = DELETE_WINDOW_EVENT;
+		    XSETFRAME (inev.frame_or_window,
+			       mac_window_to_frame (window_ptr));
+		  }
+		break;
+
+		/* window resize handling added --ben */
+	      case inGrow:
+		do_grow_window (window_ptr, &er);
+		break;
+
+		/* window zoom handling added --ben */
+	      case inZoomIn:
+	      case inZoomOut:
+		if (TrackBox (window_ptr, er.where, part_code))
+		  do_zoom_window (window_ptr, part_code);
+		break;
+
+#if USE_MAC_TOOLBAR
+	      case inStructure:
+		{
+		  OSStatus err;
+		  HIViewRef ch;
+
+		  err = HIViewGetViewForMouseEvent (HIViewGetRoot (window_ptr),
+						    eventRef, &ch);
+		  /* This doesn't work on Mac OS X 10.2.  */
+		  if (err == noErr)
+		    HIViewClick (ch, eventRef);
+		}
+		break;
+#endif	/* USE_MAC_TOOLBAR */
+
+	      default:
+		break;
+	      }
+	  }
+	  break;
+
+#if !TARGET_API_MAC_CARBON
+	case updateEvt:
+	  do_window_update ((WindowRef) er.message);
+	  break;
+#endif
+
+	case osEvt:
+#if TARGET_API_MAC_CARBON
+	  if (SendEventToEventTarget (eventRef, toolbox_dispatcher)
+	      != eventNotHandledErr)
+	    break;
+#endif
+	  switch ((er.message >> 24) & 0x000000FF)
+	    {
+#if USE_MAC_TSM
+	    case suspendResumeMessage:
+	      if (er.message & resumeFlag)
+		mac_tsm_resume ();
+	      else
+		mac_tsm_suspend ();
+	      break;
+#endif
+
+	    case mouseMovedMessage:
+#if !TARGET_API_MAC_CARBON
+	      SetRectRgn (mouse_region, er.where.h, er.where.v,
+			  er.where.h + 1, er.where.v + 1);
+#endif
+	      previous_help_echo_string = help_echo_string;
+	      help_echo_string = Qnil;
+
+	      if (dpyinfo->grabbed && last_mouse_frame
+		  && FRAME_LIVE_P (last_mouse_frame))
+		f = last_mouse_frame;
+	      else
+		f = dpyinfo->x_focus_frame;
+
+	      if (dpyinfo->mouse_face_hidden)
+		{
+		  dpyinfo->mouse_face_hidden = 0;
+		  clear_mouse_face (dpyinfo);
+		}
+
+	      if (f)
+		{
+		  WindowRef wp = FRAME_MAC_WINDOW (f);
+		  Point mouse_pos;
+
+		  mouse_pos.h = (er.where.h
+				 - (f->left_pos
+				    + FRAME_OUTER_TO_INNER_DIFF_X (f)));
+		  mouse_pos.v = (er.where.v
+				 - (f->top_pos
+				    + FRAME_OUTER_TO_INNER_DIFF_Y (f)));
+		  if (dpyinfo->grabbed && tracked_scroll_bar)
+#ifdef USE_TOOLKIT_SCROLL_BARS
+		    x_scroll_bar_handle_drag (wp, tracked_scroll_bar,
+					      mouse_pos, &inev);
+#else /* not USE_TOOLKIT_SCROLL_BARS */
+		    x_scroll_bar_note_movement (tracked_scroll_bar,
+						mouse_pos.v
+						- XINT (tracked_scroll_bar->top),
+						er.when * (1000 / 60));
+#endif /* not USE_TOOLKIT_SCROLL_BARS */
+		  else
+		    {
+		      /* Generate SELECT_WINDOW_EVENTs when needed.  */
+		      if (!NILP (Vmouse_autoselect_window))
+			{
+			  Lisp_Object window;
+
+			  window = window_from_coordinates (f,
+							    mouse_pos.h,
+							    mouse_pos.v,
+							    0, 0, 0, 0);
+
+			  /* Window will be selected only when it is
+			     not selected now and last mouse movement
+			     event was not in it.  Minibuffer window
+			     will be selected only when it is active.  */
+			  if (WINDOWP (window)
+			      && !EQ (window, last_window)
+			      && !EQ (window, selected_window)
+			      /* For click-to-focus window managers
+				 create event iff we don't leave the
+				 selected frame.  */
+			      && (focus_follows_mouse
+				  || (EQ (XWINDOW (window)->frame,
+					  XWINDOW (selected_window)->frame))))
+			    {
+			      inev.kind = SELECT_WINDOW_EVENT;
+			      inev.frame_or_window = window;
+			    }
+
+			  last_window=window;
+			}
+		      if (!note_mouse_movement (f, &mouse_pos))
+			help_echo_string = previous_help_echo_string;
+#if USE_MAC_TOOLBAR
+		      else
+			mac_tool_bar_note_mouse_movement (f, eventRef);
+#endif
+		    }
+		}
+
+	      /* If the contents of the global variable
+		 help_echo_string has changed, generate a
+		 HELP_EVENT.  */
+	      if (!NILP (help_echo_string) || !NILP (previous_help_echo_string))
+		do_help = 1;
+	      break;
+	    }
+	  break;
+
+	case activateEvt:
+	  {
+	    WindowRef window_ptr = (WindowRef) er.message;
+	    OSErr err;
+	    ControlRef root_control;
+
+	    if (window_ptr == tip_window)
+	      {
+		HideWindow (tip_window);
+		break;
+	      }
+
+	    if (!is_emacs_window (window_ptr))
+	      goto OTHER;
+
+	    f = mac_window_to_frame (window_ptr);
+
+	    if ((er.modifiers & activeFlag) != 0)
+	      {
+		/* A window has been activated */
+		Point mouse_loc;
+
+		err = GetRootControl (FRAME_MAC_WINDOW (f), &root_control);
+		if (err == noErr)
+		  ActivateControl (root_control);
+
+		x_detect_focus_change (dpyinfo, &er, &inev);
+
+		mouse_loc.h = (er.where.h
+			       - (f->left_pos
+				  + FRAME_OUTER_TO_INNER_DIFF_X (f)));
+		mouse_loc.v = (er.where.v
+			       - (f->top_pos
+				  + FRAME_OUTER_TO_INNER_DIFF_Y (f)));
+		/* Window-activated event counts as mouse movement,
+		   so update things that depend on mouse position.  */
+		note_mouse_movement (f, &mouse_loc);
+	      }
+	    else
+	      {
+		/* A window has been deactivated */
+		err = GetRootControl (FRAME_MAC_WINDOW (f), &root_control);
+		if (err == noErr)
+		  DeactivateControl (root_control);
+
+#ifdef USE_TOOLKIT_SCROLL_BARS
+		if (dpyinfo->grabbed && tracked_scroll_bar)
+		  {
+		    struct input_event event;
+
+		    EVENT_INIT (event);
+		    event.kind = NO_EVENT;
+		    x_scroll_bar_handle_release (tracked_scroll_bar, &event);
+		    if (event.kind != NO_EVENT)
+		      {
+			event.timestamp = timestamp;
+			kbd_buffer_store_event_hold (&event, hold_quit);
+			count++;
+		      }
+		  }
+#endif
+		dpyinfo->grabbed = 0;
+
+		x_detect_focus_change (dpyinfo, &er, &inev);
+
+		if (f == dpyinfo->mouse_face_mouse_frame)
+		  {
+		    /* If we move outside the frame, then we're
+		       certainly no longer on any text in the
+		       frame.  */
+		    clear_mouse_face (dpyinfo);
+		    dpyinfo->mouse_face_mouse_frame = 0;
+		  }
+
+		/* Generate a nil HELP_EVENT to cancel a help-echo.
+		   Do it only if there's something to cancel.
+		   Otherwise, the startup message is cleared when the
+		   mouse leaves the frame.  */
+		if (any_help_event_p)
+		  do_help = -1;
+	      }
+	  }
+	  break;
+
+	case keyDown:
+	case keyUp:
+	case autoKey:
+	  ObscureCursor ();
+
+	  f = mac_focus_frame (dpyinfo);
+	  XSETFRAME (inev.frame_or_window, f);
+
+	  /* If mouse-highlight is an integer, input clears out mouse
+	     highlighting.  */
+	  if (!dpyinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight)
+	      && !EQ (f->tool_bar_window, dpyinfo->mouse_face_window))
+	    {
+	      clear_mouse_face (dpyinfo);
+	      dpyinfo->mouse_face_hidden = 1;
+	    }
+
+	  {
+	    UInt32 modifiers = er.modifiers, mapped_modifiers;
+	    UInt32 key_code = (er.message & keyCodeMask) >> 8;
+
+#ifdef MAC_OSX
+	    GetEventParameter (eventRef, kEventParamKeyModifiers,
+			       typeUInt32, NULL,
+			       sizeof (UInt32), NULL, &modifiers);
+#endif
+	    mapped_modifiers = mac_mapped_modifiers (modifiers, key_code);
+
+#if TARGET_API_MAC_CARBON
+	    if (!(mapped_modifiers
+		  & ~(mac_pass_command_to_system ? cmdKey : 0)
+		  & ~(mac_pass_control_to_system ? controlKey : 0)))
+	      goto OTHER;
+	    else
+#endif
+	      if (er.what != keyUp)
+		do_keystroke (er.what, er.message & charCodeMask,
+			      key_code, modifiers, timestamp, &inev);
+	  }
+	  break;
+
+	case kHighLevelEvent:
+	  AEProcessAppleEvent (&er);
+	  break;
+
+	default:
+	OTHER:
+#if TARGET_API_MAC_CARBON
+	  {
+	    OSStatus err;
+
+	    read_socket_inev = &inev;
+	    err = SendEventToEventTarget (eventRef, toolbox_dispatcher);
+	    read_socket_inev = NULL;
+	  }
+#endif
+	  break;
+	}
+#if TARGET_API_MAC_CARBON
+      ReleaseEvent (eventRef);
+#endif
+
+      if (inev.kind != NO_EVENT)
+	{
+	  inev.timestamp = timestamp;
+	  kbd_buffer_store_event_hold (&inev, hold_quit);
+	  count++;
+	}
+
+      if (do_help
+	  && !(hold_quit && hold_quit->kind != NO_EVENT))
+	{
+	  Lisp_Object frame;
+
+	  if (f)
+	    XSETFRAME (frame, f);
+	  else
+	    frame = Qnil;
+
+	  if (do_help > 0)
+	    {
+	      any_help_event_p = 1;
+	      gen_help_event (help_echo_string, frame, help_echo_window,
+			      help_echo_object, help_echo_pos);
+	    }
+	  else
+	    {
+	      help_echo_string = Qnil;
+	      gen_help_event (Qnil, frame, Qnil, Qnil, 0);
+	    }
+	  count++;
+	}
+    }
+
+  /* If the focus was just given to an autoraising frame,
+     raise it now.  */
+  /* ??? This ought to be able to handle more than one such frame.  */
+  if (pending_autoraise_frame)
+    {
+      x_raise_frame (pending_autoraise_frame);
+      pending_autoraise_frame = 0;
+    }
+
+  if (mac_screen_config_changed)
+    {
+      mac_get_screen_info (dpyinfo);
+      mac_screen_config_changed = 0;
+    }
+
+#if !TARGET_API_MAC_CARBON
+  /* Check which frames are still visible.  We do this here because
+     there doesn't seem to be any direct notification from the Window
+     Manager that the visibility of a window has changed (at least,
+     not in all cases).  */
+  {
+    Lisp_Object tail, frame;
+
+    FOR_EACH_FRAME (tail, frame)
+      {
+	struct frame *f = XFRAME (frame);
+
+	/* The tooltip has been drawn already.  Avoid the
+	   SET_FRAME_GARBAGED in mac_handle_visibility_change.  */
+	if (EQ (frame, tip_frame))
+	  continue;
+
+	if (FRAME_MAC_P (f))
+	  mac_handle_visibility_change (f);
+      }
+  }
+#endif
+
+  --handling_signal;
+  UNBLOCK_INPUT;
+  return count;
+}
+
+
+/***********************************************************************
+				Busy cursor
+ ***********************************************************************/
+
+#if TARGET_API_MAC_CARBON
+/* Show the spinning progress indicator for the frame F.  Create it if
+   it doesn't exist yet. */
+
+void
+mac_show_hourglass (f)
+     struct frame *f;
+{
+#if USE_CG_DRAWING
+  mac_prepare_for_quickdraw (f);
+#endif
+  if (!f->output_data.mac->hourglass_control)
+    {
+      Window w = FRAME_MAC_WINDOW (f);
+      Rect r;
+      ControlRef c;
+
+      GetWindowPortBounds (w, &r);
+      r.left = r.right - HOURGLASS_WIDTH;
+      r.bottom = r.top + HOURGLASS_HEIGHT;
+      if (CreateChasingArrowsControl (w, &r, &c) == noErr)
+	f->output_data.mac->hourglass_control = c;
+    }
+
+  if (f->output_data.mac->hourglass_control)
+    ShowControl (f->output_data.mac->hourglass_control);
+}
+
+/* Hide the spinning progress indicator for the frame F.  Do nothing
+   it doesn't exist yet. */
+
+void
+mac_hide_hourglass (f)
+     struct frame *f;
+{
+  if (f->output_data.mac->hourglass_control)
+    {
+#if USE_CG_DRAWING
+      mac_prepare_for_quickdraw (f);
+#endif
+      HideControl (f->output_data.mac->hourglass_control);
+    }
+}
+
+/* Reposition the spinning progress indicator for the frame F.  Do
+   nothing it doesn't exist yet. */
+
+void
+mac_reposition_hourglass (f)
+     struct frame *f;
+{
+  if (f->output_data.mac->hourglass_control)
+    {
+#if USE_CG_DRAWING
+      mac_prepare_for_quickdraw (f);
+#endif
+      MoveControl (f->output_data.mac->hourglass_control,
+		   FRAME_PIXEL_WIDTH (f) - HOURGLASS_WIDTH, 0);
+    }
+}
+#endif	/* TARGET_API_MAC_CARBON */
+
+
+/***********************************************************************
+			File selection dialog
+ ***********************************************************************/
+
+#if TARGET_API_MAC_CARBON
+extern Lisp_Object Qfile_name_history;
+
+static pascal void mac_nav_event_callback P_ ((NavEventCallbackMessage,
+					       NavCBRecPtr, void *));
+
+/* The actual implementation of Fx_file_dialog.  */
+
+Lisp_Object
+mac_file_dialog (prompt, dir, default_filename, mustmatch, only_dir_p)
+     Lisp_Object prompt, dir, default_filename, mustmatch, only_dir_p;
+{
+  Lisp_Object file = Qnil;
+  int count = SPECPDL_INDEX ();
+  struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, gcpro6;
+  char filename[MAXPATHLEN];
+  static NavEventUPP mac_nav_event_callbackUPP = NULL;
+
+  check_mac ();
+
+  GCPRO6 (prompt, dir, default_filename, mustmatch, file, only_dir_p);
+  CHECK_STRING (prompt);
+  CHECK_STRING (dir);
+
+  /* Create the dialog with PROMPT as title, using DIR as initial
+     directory and using "*" as pattern.  */
+  dir = Fexpand_file_name (dir, Qnil);
+
+  {
+    OSStatus status;
+    NavDialogCreationOptions options;
+    NavDialogRef dialogRef;
+    NavTypeListHandle fileTypes = NULL;
+    NavUserAction userAction;
+    CFStringRef message=NULL, saveName = NULL;
+
+    BLOCK_INPUT;
+    /* No need for a callback function because we are modal */
+    NavGetDefaultDialogCreationOptions(&options);
+    options.modality = kWindowModalityAppModal;
+    options.location.h = options.location.v = -1;
+    options.optionFlags = kNavDefaultNavDlogOptions;
+    options.optionFlags |= kNavAllFilesInPopup;  /* All files allowed */
+    options.optionFlags |= kNavSelectAllReadableItem;
+    options.optionFlags &= ~kNavAllowMultipleFiles;
+    if (!NILP(prompt))
+      {
+	message = cfstring_create_with_string (prompt);
+	options.message = message;
+      }
+    /* Don't set the application, let it use default.
+    options.clientName = CFSTR ("Emacs");
+    */
+
+    if (mac_nav_event_callbackUPP == NULL)
+      mac_nav_event_callbackUPP = NewNavEventUPP (mac_nav_event_callback);
+
+    if (!NILP (only_dir_p))
+      status = NavCreateChooseFolderDialog(&options, mac_nav_event_callbackUPP,
+					   NULL, NULL, &dialogRef);
+    else if (NILP (mustmatch))
+      {
+	/* This is a save dialog */
+	options.optionFlags |= kNavDontConfirmReplacement;
+	options.actionButtonLabel = CFSTR ("Ok");
+	options.windowTitle = CFSTR ("Enter name");
+
+	if (STRINGP (default_filename))
+	  {
+	    Lisp_Object utf8 = ENCODE_UTF_8 (default_filename);
+	    char *begPtr = SDATA(utf8);
+	    char *filePtr = begPtr + SBYTES(utf8);
+	    while (filePtr != begPtr && !IS_DIRECTORY_SEP(filePtr[-1]))
+	      filePtr--;
+	    saveName = cfstring_create_with_utf8_cstring (filePtr);
+	    options.saveFileName = saveName;
+	    options.optionFlags |= kNavSelectDefaultLocation;
+	  }
+	  status = NavCreatePutFileDialog(&options,
+					  'TEXT', kNavGenericSignature,
+					  mac_nav_event_callbackUPP, NULL,
+					  &dialogRef);
+	}
+    else
+      {
+	/* This is an open dialog*/
+	status = NavCreateChooseFileDialog(&options, fileTypes,
+					   mac_nav_event_callbackUPP, NULL,
+					   NULL, NULL, &dialogRef);
+      }
+
+    /* Set the default location and continue*/
+    if (status == noErr)
+      {
+	Lisp_Object encoded_dir = ENCODE_FILE (dir);
+	AEDesc defLocAed;
+
+	status = AECreateDesc (TYPE_FILE_NAME, SDATA (encoded_dir),
+			       SBYTES (encoded_dir), &defLocAed);
+	if (status == noErr)
+	  {
+	    NavCustomControl(dialogRef, kNavCtlSetLocation, (void*) &defLocAed);
+	    AEDisposeDesc(&defLocAed);
+	  }
+	status = NavDialogRun(dialogRef);
+      }
+
+    if (saveName) CFRelease(saveName);
+    if (message) CFRelease(message);
+
+    if (status == noErr) {
+      userAction = NavDialogGetUserAction(dialogRef);
+      switch (userAction)
+	{
+	case kNavUserActionNone:
+	case kNavUserActionCancel:
+	  break;		/* Treat cancel like C-g */
+	case kNavUserActionOpen:
+	case kNavUserActionChoose:
+	case kNavUserActionSaveAs:
+	  {
+	    NavReplyRecord reply;
+	    Size len;
+
+	    status = NavDialogGetReply(dialogRef, &reply);
+	    if (status != noErr)
+	      break;
+	    status = AEGetNthPtr (&reply.selection, 1, TYPE_FILE_NAME,
+				  NULL, NULL, filename,
+				  sizeof (filename) - 1, &len);
+	    if (status == noErr)
+	      {
+		len = min (len, sizeof (filename) - 1);
+		filename[len] = '\0';
+		if (reply.saveFileName)
+		  {
+		    /* If it was a saved file, we need to add the file name */
+		    if (len && len < sizeof (filename) - 1
+			&& filename[len-1] != '/')
+		      filename[len++] = '/';
+		    CFStringGetCString(reply.saveFileName, filename+len,
+				       sizeof (filename) - len,
+#ifdef MAC_OSX
+				       kCFStringEncodingUTF8
+#else
+				       CFStringGetSystemEncoding ()
+#endif
+				       );
+		  }
+		file = DECODE_FILE (make_unibyte_string (filename,
+							 strlen (filename)));
+	      }
+	    NavDisposeReply(&reply);
+	  }
+	  break;
+	}
+      NavDialogDispose(dialogRef);
+      UNBLOCK_INPUT;
+    }
+    else {
+      UNBLOCK_INPUT;
+      /* Fall back on minibuffer if there was a problem */
+      file = Fcompleting_read (prompt, intern ("read-file-name-internal"),
+			       dir, mustmatch, dir, Qfile_name_history,
+			       default_filename, Qnil);
+    }
+  }
+
+  UNGCPRO;
+
+  /* Make "Cancel" equivalent to C-g.  */
+  if (NILP (file))
+    Fsignal (Qquit, Qnil);
+
+  return unbind_to (count, file);
+}
+
+/* Need to register some event callback function for enabling drag and
+   drop in Navigation Service dialogs.  */
+static pascal void
+mac_nav_event_callback (selector, parms, data)
+     NavEventCallbackMessage selector;
+     NavCBRecPtr parms;
+     void *data;
+{
+}
+#endif
+
+
+/************************************************************************
+				 Menu
+ ************************************************************************/
+
+#if !TARGET_API_MAC_CARBON
+#include <MacTypes.h>
+#include <Menus.h>
+#include <Quickdraw.h>
+#include <ToolUtils.h>
+#include <Fonts.h>
+#include <Controls.h>
+#include <Windows.h>
+#include <Events.h>
+#if defined (__MRC__) || (__MSL__ >= 0x6000)
+#include <ControlDefinitions.h>
+#endif
+#endif /* not TARGET_API_MAC_CARBON */
+
+extern int menu_item_selection;
+extern int popup_activated_flag;
+extern int name_is_separator P_ ((const char *));
+extern void find_and_call_menu_selection P_ ((FRAME_PTR, int, Lisp_Object,
+					      void *));
+extern void set_frame_menubar P_ ((FRAME_PTR, int, int));
+
+enum mac_menu_kind {		/* Menu ID range  */
+  MAC_MENU_APPLE,		/* 0 (Reserved by Apple) */
+  MAC_MENU_MENU_BAR,		/* 1 .. 233       */
+  MAC_MENU_M_APPLE,		/* 234      (== M_APPLE) */
+  MAC_MENU_POPUP,		/* 235            */
+  MAC_MENU_DRIVER,		/* 236 .. 255 (Reserved) */
+  MAC_MENU_MENU_BAR_SUB,	/* 256 .. 16383   */
+  MAC_MENU_POPUP_SUB,		/* 16384 .. 32767 */
+  MAC_MENU_END			/* 32768          */
+};
+
+static const int min_menu_id[] = {0, 1, 234, 235, 236, 256, 16384, 32768};
+
+static int fill_menu P_ ((MenuRef, widget_value *, enum mac_menu_kind, int));
+static void dispose_menus P_ ((enum mac_menu_kind, int));
+
+#if !TARGET_API_MAC_CARBON
+static void
+do_apple_menu (SInt16 menu_item)
+{
+  Str255 item_name;
+  SInt16 da_driver_refnum;
+
+  if (menu_item == I_ABOUT)
+    NoteAlert (ABOUT_ALERT_ID, NULL);
+  else
+    {
+      GetMenuItemText (GetMenuRef (M_APPLE), menu_item, item_name);
+      da_driver_refnum = OpenDeskAcc (item_name);
+    }
+}
+#endif /* !TARGET_API_MAC_CARBON */
+
+/* Activate the menu bar of frame F.
+   This is called from keyboard.c when it gets the
+   MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue.
+
+   To activate the menu bar, we use the button-press event location
+   that was saved in saved_menu_event_location.
+
+   But first we recompute the menu bar contents (the whole tree).
+
+   The reason for saving the button event until here, instead of
+   passing it to the toolkit right away, is that we can safely
+   execute Lisp code.  */
+
+void
+x_activate_menubar (f)
+     FRAME_PTR f;
+{
+  SInt32 menu_choice;
+  SInt16 menu_id, menu_item;
+  extern Point saved_menu_event_location;
+
+  set_frame_menubar (f, 0, 1);
+  BLOCK_INPUT;
+
+  popup_activated_flag = 1;
+  menu_choice = MenuSelect (saved_menu_event_location);
+  popup_activated_flag = 0;
+  menu_id = HiWord (menu_choice);
+  menu_item = LoWord (menu_choice);
+
+#if !TARGET_API_MAC_CARBON
+  if (menu_id == min_menu_id[MAC_MENU_M_APPLE])
+    do_apple_menu (menu_item);
+  else
+#endif
+    if (menu_id)
+      {
+        MenuRef menu = GetMenuRef (menu_id);
+
+        if (menu)
+          {
+            UInt32 refcon;
+
+            GetMenuItemRefCon (menu, menu_item, &refcon);
+            find_and_call_menu_selection (f, f->menu_bar_items_used,
+					  f->menu_bar_vector, (void *) refcon);
+          }
+      }
+
+  HiliteMenu (0);
+
+  UNBLOCK_INPUT;
+}
+
+#if TARGET_API_MAC_CARBON
+extern Lisp_Object Vshow_help_function;
+
+static Lisp_Object
+restore_show_help_function (old_show_help_function)
+     Lisp_Object old_show_help_function;
+{
+  Vshow_help_function = old_show_help_function;
+
+  return Qnil;
+}
+
+static pascal OSStatus
+menu_target_item_handler (next_handler, event, data)
+     EventHandlerCallRef next_handler;
+     EventRef event;
+     void *data;
+{
+  OSStatus err;
+  MenuRef menu;
+  MenuItemIndex menu_item;
+  Lisp_Object help;
+  GrafPtr port;
+  int specpdl_count = SPECPDL_INDEX ();
+
+  /* Don't be bothered with the overflowed toolbar items menu.  */
+  if (!popup_activated ())
+    return eventNotHandledErr;
+
+  err = GetEventParameter (event, kEventParamDirectObject, typeMenuRef,
+			   NULL, sizeof (MenuRef), NULL, &menu);
+  if (err == noErr)
+    err = GetEventParameter (event, kEventParamMenuItemIndex,
+			     typeMenuItemIndex, NULL,
+			     sizeof (MenuItemIndex), NULL, &menu_item);
+  if (err == noErr)
+    err = GetMenuItemProperty (menu, menu_item,
+			       MAC_EMACS_CREATOR_CODE, 'help',
+			       sizeof (Lisp_Object), NULL, &help);
+  if (err != noErr)
+    help = Qnil;
+
+  /* Temporarily bind Vshow_help_function to Qnil because we don't
+     want tooltips during menu tracking.  */
+  record_unwind_protect (restore_show_help_function, Vshow_help_function);
+  Vshow_help_function = Qnil;
+  GetPort (&port);
+  show_help_echo (help, Qnil, Qnil, Qnil, 1);
+  SetPort (port);
+  unbind_to (specpdl_count, Qnil);
+
+  return err == noErr ? noErr : eventNotHandledErr;
+}
+
+/* Showing help echo string during menu tracking.  */
+
+static OSStatus
+install_menu_target_item_handler ()
+{
+  static const EventTypeSpec specs[] =
+    {{kEventClassMenu, kEventMenuTargetItem}};
+
+  return InstallApplicationEventHandler (NewEventHandlerUPP
+					 (menu_target_item_handler),
+					 GetEventTypeCount (specs),
+					 specs, NULL, NULL);
+}
+#endif  /* TARGET_API_MAC_CARBON */
+
+/* Event handler function that pops down a menu on C-g.  We can only pop
+   down menus if CancelMenuTracking is present (OSX 10.3 or later).  */
+
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1030
+static pascal OSStatus
+menu_quit_handler (nextHandler, theEvent, userData)
+     EventHandlerCallRef nextHandler;
+     EventRef theEvent;
+     void* userData;
+{
+  OSStatus err;
+  UInt32 keyCode;
+  UInt32 keyModifiers;
+
+  err = GetEventParameter (theEvent, kEventParamKeyCode,
+			   typeUInt32, NULL, sizeof(UInt32), NULL, &keyCode);
+
+  if (err == noErr)
+    err = GetEventParameter (theEvent, kEventParamKeyModifiers,
+			     typeUInt32, NULL, sizeof(UInt32),
+			     NULL, &keyModifiers);
+
+  if (err == noErr && mac_quit_char_key_p (keyModifiers, keyCode))
+    {
+      MenuRef menu = userData != 0
+        ? (MenuRef)userData : AcquireRootMenu ();
+
+      CancelMenuTracking (menu, true, 0);
+      if (!userData) ReleaseMenu (menu);
+      return noErr;
+    }
+
+  return CallNextEventHandler (nextHandler, theEvent);
+}
+#endif	/* MAC_OS_X_VERSION_MAX_ALLOWED >= 1030 */
+
+/* Add event handler to all menus that belong to KIND so we can detect
+   C-g.  ROOT_MENU is the root menu of the tracking session to dismiss
+   when C-g is detected.  NULL means the menu bar.  If
+   CancelMenuTracking isn't available, do nothing.  */
+
+static void
+install_menu_quit_handler (kind, root_menu)
+     enum mac_menu_kind kind;
+     MenuRef root_menu;
+{
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1030
+  static const EventTypeSpec typesList[] =
+    {{kEventClassKeyboard, kEventRawKeyDown}};
+  int id;
+
+#if MAC_OS_X_VERSION_MIN_REQUIRED == 1020
+  if (CancelMenuTracking == NULL)
+    return;
+#endif
+  for (id = min_menu_id[kind]; id < min_menu_id[kind + 1]; id++)
+    {
+      MenuRef menu = GetMenuRef (id);
+
+      if (menu == NULL)
+	break;
+      InstallMenuEventHandler (menu, menu_quit_handler,
+			       GetEventTypeCount (typesList),
+			       typesList, root_menu, NULL);
+    }
+#endif	/* MAC_OS_X_VERSION_MAX_ALLOWED >= 1030 */
+}
+
+static Lisp_Object
+pop_down_menu (arg)
+     Lisp_Object arg;
+{
+  struct Lisp_Save_Value *p = XSAVE_VALUE (arg);
+  FRAME_PTR f = p->pointer;
+  MenuRef menu = GetMenuRef (min_menu_id[MAC_MENU_POPUP]);
+
+  BLOCK_INPUT;
+
+  /* Must reset this manually because the button release event is not
+     passed to Emacs event loop. */
+  FRAME_MAC_DISPLAY_INFO (f)->grabbed = 0;
+
+  /* delete all menus */
+  dispose_menus (MAC_MENU_POPUP_SUB, 0);
+  DeleteMenu (min_menu_id[MAC_MENU_POPUP]);
+  DisposeMenu (menu);
+
+  UNBLOCK_INPUT;
+
+  return Qnil;
+}
+
+/* Pop up the menu for frame F defined by FIRST_WV at X/Y and loop
+   until the menu pops down.  Return the selection.  */
+
+void
+create_and_show_popup_menu (f, first_wv, x, y, for_click)
+     FRAME_PTR f;
+     widget_value *first_wv;
+     int x;
+     int y;
+     int for_click;
+{
+  int result = 0;
+  MenuRef menu = NewMenu (min_menu_id[MAC_MENU_POPUP], "\p");
+  int menu_item_choice;
+  int specpdl_count = SPECPDL_INDEX ();
+
+  InsertMenu (menu, -1);
+  fill_menu (menu, first_wv->contents, MAC_MENU_POPUP_SUB,
+	     min_menu_id[MAC_MENU_POPUP_SUB]);
+
+  /* Add event handler so we can detect C-g. */
+  install_menu_quit_handler (MAC_MENU_POPUP, menu);
+  install_menu_quit_handler (MAC_MENU_POPUP_SUB, menu);
+
+  record_unwind_protect (pop_down_menu, make_save_value (f, 0));
+
+  /* Adjust coordinates to be root-window-relative.  */
+  x += f->left_pos + FRAME_OUTER_TO_INNER_DIFF_X (f);
+  y += f->top_pos + FRAME_OUTER_TO_INNER_DIFF_Y (f);
+
+  /* Display the menu.  */
+  popup_activated_flag = 1;
+  menu_item_choice = PopUpMenuSelect (menu, y, x, 0);
+  popup_activated_flag = 0;
+
+  /* Get the refcon to find the correct item */
+  if (menu_item_choice)
+    {
+      MenuRef sel_menu = GetMenuRef (HiWord (menu_item_choice));
+
+      if (sel_menu)
+	GetMenuItemRefCon (sel_menu, LoWord (menu_item_choice),
+			   (UInt32 *) &result);
+    }
+
+  unbind_to (specpdl_count, Qnil);
+
+  menu_item_selection = result;
+}
+
+static void
+add_menu_item (menu, pos, wv)
+     MenuRef menu;
+     int pos;
+     widget_value *wv;
+{
+#if TARGET_API_MAC_CARBON
+  CFStringRef item_name;
+#else
+  Str255 item_name;
+#endif
+
+  if (name_is_separator (wv->name))
+    AppendMenu (menu, "\p-");
+  else
+    {
+      AppendMenu (menu, "\pX");
+
+#if TARGET_API_MAC_CARBON
+      item_name = cfstring_create_with_utf8_cstring (wv->name);
+
+      if (wv->key != NULL)
+	{
+	  CFStringRef name, key;
+
+	  name = item_name;
+	  key = cfstring_create_with_utf8_cstring (wv->key);
+	  item_name = CFStringCreateWithFormat (NULL, NULL, CFSTR ("%@ %@"),
+						name, key);
+	  CFRelease (name);
+	  CFRelease (key);
+	}
+
+      SetMenuItemTextWithCFString (menu, pos, item_name);
+      CFRelease (item_name);
+
+      if (wv->enabled)
+        EnableMenuItem (menu, pos);
+      else
+        DisableMenuItem (menu, pos);
+
+      if (STRINGP (wv->help))
+	SetMenuItemProperty (menu, pos, MAC_EMACS_CREATOR_CODE, 'help',
+			     sizeof (Lisp_Object), &wv->help);
+#else  /* ! TARGET_API_MAC_CARBON */
+      item_name[sizeof (item_name) - 1] = '\0';
+      strncpy (item_name, wv->name, sizeof (item_name) - 1);
+      if (wv->key != NULL)
+	{
+	  int len = strlen (item_name);
+
+	  strncpy (item_name + len, " ", sizeof (item_name) - 1 - len);
+	  len = strlen (item_name);
+	  strncpy (item_name + len, wv->key, sizeof (item_name) - 1 - len);
+	}
+      c2pstr (item_name);
+      SetMenuItemText (menu, pos, item_name);
+
+      if (wv->enabled)
+        EnableItem (menu, pos);
+      else
+        DisableItem (menu, pos);
+#endif  /* ! TARGET_API_MAC_CARBON */
+
+      /* Draw radio buttons and tickboxes. */
+      if (wv->selected && (wv->button_type == BUTTON_TYPE_TOGGLE
+			   || wv->button_type == BUTTON_TYPE_RADIO))
+	SetItemMark (menu, pos, checkMark);
+      else
+	SetItemMark (menu, pos, noMark);
+
+      SetMenuItemRefCon (menu, pos, (UInt32) wv->call_data);
+    }
+}
+
+/* Construct native Mac OS menu based on widget_value tree.  */
+
+static int
+fill_menu (menu, wv, kind, submenu_id)
+     MenuRef menu;
+     widget_value *wv;
+     enum mac_menu_kind kind;
+     int submenu_id;
+{
+  int pos;
+
+  for (pos = 1; wv != NULL; wv = wv->next, pos++)
+    {
+      add_menu_item (menu, pos, wv);
+      if (wv->contents && submenu_id < min_menu_id[kind + 1])
+	{
+	  MenuRef submenu = NewMenu (submenu_id, "\pX");
+
+	  InsertMenu (submenu, -1);
+#if TARGET_API_MAC_CARBON
+	  SetMenuItemHierarchicalMenu (menu, pos, submenu);
+#else
+	  SetMenuItemHierarchicalID (menu, pos, submenu_id);
+#endif
+	  submenu_id = fill_menu (submenu, wv->contents, kind, submenu_id + 1);
+	}
+    }
+
+  return submenu_id;
+}
+
+/* Fill menu bar with the items defined by WV.  If DEEP_P, consider
+   the entire menu trees we supply, rather than just the menu bar item
+   names.  */
+
+void
+mac_fill_menubar (wv, deep_p)
+     widget_value *wv;
+     int deep_p;
+{
+  int id, submenu_id;
+#if !TARGET_API_MAC_CARBON
+  int title_changed_p = 0;
+#endif
+
+  /* Clean up the menu bar when filled by the entire menu trees.  */
+  if (deep_p)
+    {
+      dispose_menus (MAC_MENU_MENU_BAR, 0);
+      dispose_menus (MAC_MENU_MENU_BAR_SUB, 0);
+#if !TARGET_API_MAC_CARBON
+      title_changed_p = 1;
+#endif
+    }
+
+  /* Fill menu bar titles and submenus.  Reuse the existing menu bar
+     titles as much as possible to minimize redraw (if !deep_p).  */
+  submenu_id = min_menu_id[MAC_MENU_MENU_BAR_SUB];
+  for (id = min_menu_id[MAC_MENU_MENU_BAR];
+       wv != NULL && id < min_menu_id[MAC_MENU_MENU_BAR + 1];
+       wv = wv->next, id++)
+    {
+      OSStatus err = noErr;
+      MenuRef menu;
+#if TARGET_API_MAC_CARBON
+      CFStringRef title;
+
+      title = CFStringCreateWithCString (NULL, wv->name,
+					 kCFStringEncodingMacRoman);
+#else
+      Str255 title;
+
+      strncpy (title, wv->name, 255);
+      title[255] = '\0';
+      c2pstr (title);
+#endif
+
+      menu = GetMenuRef (id);
+      if (menu)
+	{
+#if TARGET_API_MAC_CARBON
+	  CFStringRef old_title;
+
+	  err = CopyMenuTitleAsCFString (menu, &old_title);
+	  if (err == noErr)
+	    {
+	      if (CFStringCompare (title, old_title, 0) != kCFCompareEqualTo)
+		{
+#ifdef MAC_OSX
+		  if (id + 1 == min_menu_id[MAC_MENU_MENU_BAR + 1]
+		      || GetMenuRef (id + 1) == NULL)
+		    {
+		      /* This is a workaround for Mac OS X 10.5 where
+			 just calling SetMenuTitleWithCFString fails
+			 to change the title of the last (Help) menu
+			 in the menu bar.  */
+		      DeleteMenu (id);
+		      DisposeMenu (menu);
+		      menu = NULL;
+		    }
+		  else
+#endif	/* MAC_OSX */
+		    err = SetMenuTitleWithCFString (menu, title);
+		}
+	      CFRelease (old_title);
+	    }
+	  else
+	    err = SetMenuTitleWithCFString (menu, title);
+#else  /* !TARGET_API_MAC_CARBON */
+	  if (!EqualString (title, (*menu)->menuData, false, false))
+	    {
+	      DeleteMenu (id);
+	      DisposeMenu (menu);
+	      menu = NewMenu (id, title);
+	      InsertMenu (menu, GetMenuRef (id + 1) ? id + 1 : 0);
+	      title_changed_p = 1;
+	    }
+#endif  /* !TARGET_API_MAC_CARBON */
+	}
+
+      if (!menu)
+	{
+#if TARGET_API_MAC_CARBON
+	  err = CreateNewMenu (id, 0, &menu);
+	  if (err == noErr)
+	    err = SetMenuTitleWithCFString (menu, title);
+#else
+	  menu = NewMenu (id, title);
+#endif
+	  if (err == noErr)
+	    {
+	      InsertMenu (menu, 0);
+#if !TARGET_API_MAC_CARBON
+	      title_changed_p = 1;
+#endif
+	    }
+	}
+#if TARGET_API_MAC_CARBON
+      CFRelease (title);
+#endif
+
+      if (err == noErr)
+	if (wv->contents)
+	  submenu_id = fill_menu (menu, wv->contents, MAC_MENU_MENU_BAR_SUB,
+				  submenu_id);
+    }
+
+  if (id < min_menu_id[MAC_MENU_MENU_BAR + 1] && GetMenuRef (id))
+    {
+      dispose_menus (MAC_MENU_MENU_BAR, id);
+#if !TARGET_API_MAC_CARBON
+      title_changed_p = 1;
+#endif
+    }
+
+#if !TARGET_API_MAC_CARBON
+  if (title_changed_p)
+    InvalMenuBar ();
+#endif
+
+  /* Add event handler so we can detect C-g. */
+  install_menu_quit_handler (MAC_MENU_MENU_BAR, NULL);
+  install_menu_quit_handler (MAC_MENU_MENU_BAR_SUB, NULL);
+}
+
+/* Dispose of menus that belong to KIND, and remove them from the menu
+   list.  ID is the lower bound of menu IDs that will be processed.  */
+
+static void
+dispose_menus (kind, id)
+     enum mac_menu_kind kind;
+     int id;
+{
+  for (id = max (id, min_menu_id[kind]); id < min_menu_id[kind + 1]; id++)
+    {
+      MenuRef menu = GetMenuRef (id);
+
+      if (menu == NULL)
+	break;
+      DeleteMenu (id);
+      DisposeMenu (menu);
+    }
+}
+
+static void
+init_menu_bar ()
+{
+#ifdef MAC_OSX
+  OSStatus err;
+  MenuRef menu;
+  MenuItemIndex menu_index;
+
+  err = GetIndMenuItemWithCommandID (NULL, kHICommandQuit, 1,
+				     &menu, &menu_index);
+  if (err == noErr)
+    SetMenuItemCommandKey (menu, menu_index, false, 0);
+  EnableMenuCommand (NULL, kHICommandPreferences);
+  err = GetIndMenuItemWithCommandID (NULL, kHICommandPreferences, 1,
+				     &menu, &menu_index);
+  if (err == noErr)
+    {
+      SetMenuItemCommandKey (menu, menu_index, false, 0);
+      InsertMenuItemTextWithCFString (menu, NULL,
+				      0, kMenuItemAttrSeparator, 0);
+      InsertMenuItemTextWithCFString (menu, CFSTR ("About Emacs"),
+				      0, 0, kHICommandAbout);
+    }
+#else	/* !MAC_OSX */
+#if TARGET_API_MAC_CARBON
+  SetMenuItemCommandID (GetMenuRef (M_APPLE), I_ABOUT, kHICommandAbout);
+#endif
+#endif
+}
+
+
+/***********************************************************************
+			     Popup Dialog
+ ***********************************************************************/
+
+#if TARGET_API_MAC_CARBON
+#define DIALOG_BUTTON_COMMAND_ID_OFFSET 'Bt\0\0'
+#define DIALOG_BUTTON_COMMAND_ID_P(id)			\
+  (((id) & ~0xffff) == DIALOG_BUTTON_COMMAND_ID_OFFSET)
+#define DIALOG_BUTTON_COMMAND_ID_VALUE(id)	\
+  ((id) - DIALOG_BUTTON_COMMAND_ID_OFFSET)
+#define DIALOG_BUTTON_MAKE_COMMAND_ID(value)	\
+  ((value) + DIALOG_BUTTON_COMMAND_ID_OFFSET)
+
+extern EMACS_TIME timer_check P_ ((int));
+static int quit_dialog_event_loop;
+
+static pascal OSStatus
+mac_handle_dialog_event (next_handler, event, data)
+     EventHandlerCallRef next_handler;
+     EventRef event;
+     void *data;
+{
+  OSStatus err, result = eventNotHandledErr;
+  WindowRef window = (WindowRef) data;
+
+  switch (GetEventClass (event))
+    {
+    case kEventClassCommand:
+      {
+	HICommand command;
+
+	err = GetEventParameter (event, kEventParamDirectObject,
+				 typeHICommand, NULL, sizeof (HICommand),
+				 NULL, &command);
+	if (err == noErr)
+	  if (DIALOG_BUTTON_COMMAND_ID_P (command.commandID))
+	    {
+	      SetWRefCon (window, command.commandID);
+	      quit_dialog_event_loop = 1;
+	      break;
+	    }
+
+	result = CallNextEventHandler (next_handler, event);
+      }
+      break;
+
+    case kEventClassKeyboard:
+      {
+	OSStatus result;
+	char char_code;
+
+	result = CallNextEventHandler (next_handler, event);
+	if (result != eventNotHandledErr)
+	  break;
+
+	err = GetEventParameter (event, kEventParamKeyMacCharCodes,
+				 typeChar, NULL, sizeof (char),
+				 NULL, &char_code);
+	if (err == noErr)
+	  switch (char_code)
+	    {
+	    case kEscapeCharCode:
+	      quit_dialog_event_loop = 1;
+	      break;
+
+	    default:
+	      {
+		UInt32 modifiers, key_code;
+
+		err = GetEventParameter (event, kEventParamKeyModifiers,
+					 typeUInt32, NULL, sizeof (UInt32),
+					 NULL, &modifiers);
+		if (err == noErr)
+		  err = GetEventParameter (event, kEventParamKeyCode,
+					   typeUInt32, NULL, sizeof (UInt32),
+					   NULL, &key_code);
+		if (err == noErr)
+		  if (mac_quit_char_key_p (modifiers, key_code))
+		    quit_dialog_event_loop = 1;
+	      }
+	      break;
+	    }
+      }
+      break;
+
+    default:
+      abort ();
+    }
+
+  if (quit_dialog_event_loop)
+    {
+      err = QuitEventLoop (GetCurrentEventLoop ());
+      if (err == noErr)
+	result = noErr;
+    }
+
+  return result;
+}
+
+static OSStatus
+install_dialog_event_handler (window)
+     WindowRef window;
+{
+  static const EventTypeSpec specs[] =
+    {{kEventClassCommand, kEventCommandProcess},
+     {kEventClassKeyboard, kEventRawKeyDown}};
+  static EventHandlerUPP handle_dialog_eventUPP = NULL;
+
+  if (handle_dialog_eventUPP == NULL)
+    handle_dialog_eventUPP = NewEventHandlerUPP (mac_handle_dialog_event);
+  return InstallWindowEventHandler (window, handle_dialog_eventUPP,
+				    GetEventTypeCount (specs), specs,
+				    window, NULL);
+}
+
+static Lisp_Object
+pop_down_dialog (arg)
+     Lisp_Object arg;
+{
+  struct Lisp_Save_Value *p = XSAVE_VALUE (arg);
+  WindowRef window = p->pointer;
+
+  BLOCK_INPUT;
+
+  if (popup_activated_flag)
+    EndAppModalStateForWindow (window);
+  DisposeWindow (window);
+  popup_activated_flag = 0;
+
+  UNBLOCK_INPUT;
+
+  return Qnil;
+}
+
+/* Pop up the dialog for frame F defined by FIRST_WV and loop until the
+   dialog pops down.
+   menu_item_selection will be set to the selection.  */
+
+void
+create_and_show_dialog (f, first_wv)
+     FRAME_PTR f;
+     widget_value *first_wv;
+{
+  OSStatus err;
+  char *dialog_name, *message;
+  int nb_buttons, first_group_count, i, result = 0;
+  widget_value *wv;
+  short buttons_height, text_height, inner_width, inner_height;
+  Rect empty_rect, *rects;
+  WindowRef window = NULL;
+  ControlRef *buttons, default_button = NULL, text;
+  int specpdl_count = SPECPDL_INDEX ();
+
+  dialog_name = first_wv->name;
+  nb_buttons = dialog_name[1] - '0';
+  first_group_count = nb_buttons - (dialog_name[4] - '0');
+
+  wv = first_wv->contents;
+  message = wv->value;
+
+  wv = wv->next;
+  SetRect (&empty_rect, 0, 0, 0, 0);
+
+  /* Create dialog window.  */
+  err = CreateNewWindow (kMovableModalWindowClass,
+			 kWindowStandardHandlerAttribute,
+			 &empty_rect, &window);
+  if (err == noErr)
+    {
+      record_unwind_protect (pop_down_dialog, make_save_value (window, 0));
+      err = SetThemeWindowBackground (window, kThemeBrushMovableModalBackground,
+				      true);
+    }
+  if (err == noErr)
+    err = SetWindowTitleWithCFString (window, (dialog_name[0] == 'Q'
+					       ? CFSTR ("Question")
+					       : CFSTR ("Information")));
+
+  /* Create button controls and measure their optimal bounds.  */
+  if (err == noErr)
+    {
+      buttons = alloca (sizeof (ControlRef) * nb_buttons);
+      rects = alloca (sizeof (Rect) * nb_buttons);
+      for (i = 0; i < nb_buttons; i++)
+	{
+	  CFStringRef label = cfstring_create_with_utf8_cstring (wv->value);
+
+	  if (label == NULL)
+	    err = memFullErr;
+	  else
+	    {
+	      err = CreatePushButtonControl (window, &empty_rect,
+					     label, &buttons[i]);
+	      CFRelease (label);
+	    }
+	  if (err == noErr)
+	    {
+	      if (!wv->enabled)
+		{
+#ifdef MAC_OSX
+		  err = DisableControl (buttons[i]);
+#else
+		  err = DeactivateControl (buttons[i]);
+#endif
+		}
+	      else if (default_button == NULL)
+		default_button = buttons[i];
+	    }
+	  if (err == noErr)
+	    {
+	      SInt16 unused;
+
+	      rects[i] = empty_rect;
+	      err = GetBestControlRect (buttons[i], &rects[i], &unused);
+	    }
+	  if (err == noErr)
+	    {
+	      UInt32 command_id;
+
+	      OffsetRect (&rects[i], -rects[i].left, -rects[i].top);
+	      if (rects[i].right < DIALOG_BUTTON_MIN_WIDTH)
+		rects[i].right = DIALOG_BUTTON_MIN_WIDTH;
+	      else if (rects[i].right > DIALOG_MAX_INNER_WIDTH)
+		rects[i].right = DIALOG_MAX_INNER_WIDTH;
+
+	      command_id = DIALOG_BUTTON_MAKE_COMMAND_ID ((int) wv->call_data);
+	      err = SetControlCommandID (buttons[i], command_id);
+	    }
+	  if (err != noErr)
+	    break;
+	  wv = wv->next;
+	}
+    }
+
+  /* Layout buttons.  rects[i] is set relative to the bottom-right
+     corner of the inner box.  */
+  if (err == noErr)
+    {
+      short bottom, right, max_height, left_align_shift;
+
+      inner_width = DIALOG_MIN_INNER_WIDTH;
+      bottom = right = max_height = 0;
+      for (i = 0; i < nb_buttons; i++)
+	{
+	  if (right - rects[i].right < - inner_width)
+	    {
+	      if (i != first_group_count
+		  && right - rects[i].right >= - DIALOG_MAX_INNER_WIDTH)
+		inner_width = - (right - rects[i].right);
+	      else
+		{
+		  bottom -= max_height + DIALOG_BUTTON_BUTTON_VERTICAL_SPACE;
+		  right = max_height = 0;
+		}
+	    }
+	  if (max_height < rects[i].bottom)
+	    max_height = rects[i].bottom;
+	  OffsetRect (&rects[i], right - rects[i].right,
+		      bottom - rects[i].bottom);
+	  right = rects[i].left - DIALOG_BUTTON_BUTTON_HORIZONTAL_SPACE;
+	  if (i == first_group_count - 1)
+	    right -= DIALOG_BUTTON_BUTTON_HORIZONTAL_SPACE;
+	}
+      buttons_height = - (bottom - max_height);
+
+      left_align_shift = - (inner_width + rects[nb_buttons - 1].left);
+      for (i = nb_buttons - 1; i >= first_group_count; i--)
+	{
+	  if (bottom != rects[i].bottom)
+	    {
+	      left_align_shift = - (inner_width + rects[i].left);
+	      bottom = rects[i].bottom;
+	    }
+	  OffsetRect (&rects[i], left_align_shift, 0);
+	}
+    }
+
+  /* Create a static text control and measure its bounds.  */
+  if (err == noErr)
+    {
+      CFStringRef message_string;
+      Rect bounds;
+
+      message_string = cfstring_create_with_utf8_cstring (message);
+      if (message_string == NULL)
+	err = memFullErr;
+      else
+	{
+	  ControlFontStyleRec text_style;
+
+	  text_style.flags = 0;
+	  SetRect (&bounds, 0, 0, inner_width, 0);
+	  err = CreateStaticTextControl (window, &bounds, message_string,
+					 &text_style, &text);
+	  CFRelease (message_string);
+	}
+      if (err == noErr)
+	{
+	  SInt16 unused;
+
+	  bounds = empty_rect;
+	  err = GetBestControlRect (text, &bounds, &unused);
+	}
+      if (err == noErr)
+	{
+	  text_height = bounds.bottom - bounds.top;
+	  if (text_height < DIALOG_TEXT_MIN_HEIGHT)
+	    text_height = DIALOG_TEXT_MIN_HEIGHT;
+	}
+    }
+
+  /* Place buttons. */
+  if (err == noErr)
+    {
+      inner_height = (text_height + DIALOG_TEXT_BUTTONS_VERTICAL_SPACE
+		      + buttons_height);
+
+      for (i = 0; i < nb_buttons; i++)
+	{
+	  OffsetRect (&rects[i], DIALOG_LEFT_MARGIN + inner_width,
+		      DIALOG_TOP_MARGIN + inner_height);
+	  SetControlBounds (buttons[i], &rects[i]);
+	}
+    }
+
+  /* Place text.  */
+  if (err == noErr)
+    {
+      Rect bounds;
+
+      SetRect (&bounds, DIALOG_LEFT_MARGIN, DIALOG_TOP_MARGIN,
+	       DIALOG_LEFT_MARGIN + inner_width,
+	       DIALOG_TOP_MARGIN + text_height);
+      SetControlBounds (text, &bounds);
+    }
+
+  /* Create the application icon at the upper-left corner.  */
+  if (err == noErr)
+    {
+      ControlButtonContentInfo content;
+      ControlRef icon;
+      static const ProcessSerialNumber psn = {0, kCurrentProcess};
+#ifdef MAC_OSX
+      FSRef app_location;
+#else
+      ProcessInfoRec pinfo;
+      FSSpec app_spec;
+#endif
+      SInt16 unused;
+
+      content.contentType = kControlContentIconRef;
+#ifdef MAC_OSX
+      err = GetProcessBundleLocation (&psn, &app_location);
+      if (err == noErr)
+	err = GetIconRefFromFileInfo (&app_location, 0, NULL, 0, NULL,
+				      kIconServicesNormalUsageFlag,
+				      &content.u.iconRef, &unused);
+#else
+      bzero (&pinfo, sizeof (ProcessInfoRec));
+      pinfo.processInfoLength = sizeof (ProcessInfoRec);
+      pinfo.processAppSpec = &app_spec;
+      err = GetProcessInformation (&psn, &pinfo);
+      if (err == noErr)
+	err = GetIconRefFromFile (&app_spec, &content.u.iconRef, &unused);
+#endif
+      if (err == noErr)
+	{
+	  Rect bounds;
+
+	  SetRect (&bounds, DIALOG_ICON_LEFT_MARGIN, DIALOG_ICON_TOP_MARGIN,
+		   DIALOG_ICON_LEFT_MARGIN + DIALOG_ICON_WIDTH,
+		   DIALOG_ICON_TOP_MARGIN + DIALOG_ICON_HEIGHT);
+	  err = CreateIconControl (window, &bounds, &content, true, &icon);
+	  ReleaseIconRef (content.u.iconRef);
+	}
+    }
+
+  /* Show the dialog window and run event loop.  */
+  if (err == noErr)
+    if (default_button)
+      err = SetWindowDefaultButton (window, default_button);
+  if (err == noErr)
+    err = install_dialog_event_handler (window);
+  if (err == noErr)
+    {
+      SizeWindow (window,
+		  DIALOG_LEFT_MARGIN + inner_width + DIALOG_RIGHT_MARGIN,
+		  DIALOG_TOP_MARGIN + inner_height + DIALOG_BOTTOM_MARGIN,
+		  true);
+      err = RepositionWindow (window, FRAME_MAC_WINDOW (f),
+			      kWindowAlertPositionOnParentWindow);
+    }
+  if (err == noErr)
+    {
+      SetWRefCon (window, 0);
+      ShowWindow (window);
+      BringToFront (window);
+      popup_activated_flag = 1;
+      err = BeginAppModalStateForWindow (window);
+    }
+  if (err == noErr)
+    {
+      EventTargetRef toolbox_dispatcher = GetEventDispatcherTarget ();
+
+      quit_dialog_event_loop = 0;
+      while (1)
+	{
+	  EMACS_TIME next_time = timer_check (1);
+	  long secs = EMACS_SECS (next_time);
+	  long usecs = EMACS_USECS (next_time);
+	  EventTimeout timeout;
+	  EventRef event;
+
+	  if (secs < 0 || (secs == 0 && usecs == 0))
+	    {
+	      /* Sometimes timer_check returns -1 (no timers) even if
+		 there are timers.  So do a timeout anyway.  */
+	      secs = 1;
+	      usecs = 0;
+	    }
+
+	  timeout = (secs * kEventDurationSecond
+		     + usecs * kEventDurationMicrosecond);
+	  err = ReceiveNextEvent (0, NULL, timeout, kEventRemoveFromQueue,
+				  &event);
+	  if (err == noErr)
+	    {
+	      SendEventToEventTarget (event, toolbox_dispatcher);
+	      ReleaseEvent (event);
+	    }
+#if 0 /* defined (MAC_OSX) */
+	  else if (err != eventLoopTimedOutErr)
+	    {
+	      if (err == eventLoopQuitErr)
+		err = noErr;
+	      break;
+	    }
+#else
+	  /* The return value of ReceiveNextEvent seems to be
+	     unreliable.  Use our own global variable instead.  */
+	  if (quit_dialog_event_loop)
+	    {
+	      err = noErr;
+	      break;
+	    }
+#endif
+	}
+    }
+  if (err == noErr)
+    {
+      UInt32 command_id = GetWRefCon (window);
+
+      if (DIALOG_BUTTON_COMMAND_ID_P (command_id))
+	result = DIALOG_BUTTON_COMMAND_ID_VALUE (command_id);
+    }
+
+  unbind_to (specpdl_count, Qnil);
+
+  menu_item_selection = result;
+}
+#else  /* not TARGET_API_MAC_CARBON */
+#define DIALOG_WINDOW_RESOURCE 130
+
+int
+mac_dialog (widget_value *wv)
+{
+  char *dialog_name;
+  char *prompt;
+  char **button_labels;
+  UInt32 *ref_cons;
+  int nb_buttons;
+  int left_count;
+  int i;
+  int dialog_width;
+  Rect rect;
+  WindowRef window_ptr;
+  ControlRef ch;
+  int left;
+  EventRecord event_record;
+  SInt16 part_code;
+  int control_part_code;
+  Point mouse;
+
+  dialog_name = wv->name;
+  nb_buttons = dialog_name[1] - '0';
+  left_count = nb_buttons - (dialog_name[4] - '0');
+  button_labels = (char **) alloca (sizeof (char *) * nb_buttons);
+  ref_cons = (UInt32 *) alloca (sizeof (UInt32) * nb_buttons);
+
+  wv = wv->contents;
+  prompt = (char *) alloca (strlen (wv->value) + 1);
+  strcpy (prompt, wv->value);
+  c2pstr (prompt);
+
+  wv = wv->next;
+  for (i = 0; i < nb_buttons; i++)
+    {
+      button_labels[i] = wv->value;
+      button_labels[i] = (char *) alloca (strlen (wv->value) + 1);
+      strcpy (button_labels[i], wv->value);
+      c2pstr (button_labels[i]);
+      ref_cons[i] = (UInt32) wv->call_data;
+      wv = wv->next;
+    }
+
+  window_ptr = GetNewCWindow (DIALOG_WINDOW_RESOURCE, NULL, (WindowRef) -1);
+
+  SetPortWindowPort (window_ptr);
+
+  TextFont (0);
+  /* Left and right margins in the dialog are 13 pixels each.*/
+  dialog_width = 14;
+  /* Calculate width of dialog box: 8 pixels on each side of the text
+     label in each button, 12 pixels between buttons.  */
+  for (i = 0; i < nb_buttons; i++)
+    dialog_width +=  StringWidth (button_labels[i]) + 16 + 12;
+
+  if (left_count != 0 && nb_buttons - left_count != 0)
+    dialog_width += 12;
+
+  dialog_width = max (dialog_width, StringWidth (prompt) + 26);
+
+  SizeWindow (window_ptr, dialog_width, 78, 0);
+  ShowWindow (window_ptr);
+
+  SetPortWindowPort (window_ptr);
+
+  TextFont (0);
+
+  MoveTo (13, 29);
+  DrawString (prompt);
+
+  left = 13;
+  for (i = 0; i < nb_buttons; i++)
+    {
+      int button_width = StringWidth (button_labels[i]) + 16;
+      SetRect (&rect, left, 45, left + button_width, 65);
+      ch = NewControl (window_ptr, &rect, button_labels[i], 1, 0, 0, 0,
+                       kControlPushButtonProc, ref_cons[i]);
+      left += button_width + 12;
+      if (i == left_count - 1)
+        left += 12;
+    }
+
+  i = 0;
+  while (!i)
+    {
+      if (WaitNextEvent (mDownMask, &event_record, 10, NULL))
+        if (event_record.what == mouseDown)
+          {
+            part_code = FindWindow (event_record.where, &window_ptr);
+            if (part_code == inContent)
+              {
+                mouse = event_record.where;
+                GlobalToLocal (&mouse);
+                control_part_code = FindControl (mouse, window_ptr, &ch);
+                if (control_part_code == kControlButtonPart)
+                  if (TrackControl (ch, mouse, NULL))
+                    i = GetControlReference (ch);
+              }
+          }
+    }
+
+  DisposeWindow (window_ptr);
+
+  return i;
+}
+#endif  /* not TARGET_API_MAC_CARBON */
+
+
+/***********************************************************************
+			  Selection support
+***********************************************************************/
+
+#if !TARGET_API_MAC_CARBON
+#include <Scrap.h>
+#include <Endian.h>
+#endif
+
+extern Lisp_Object Vselection_converter_alist;
+extern Lisp_Object Qmac_scrap_name, Qmac_ostype;
+
+static ScrapFlavorType get_flavor_type_from_symbol P_ ((Lisp_Object,
+							Selection));
+
+/* Get a reference to the selection corresponding to the symbol SYM.
+   The reference is set to *SEL, and it becomes NULL if there's no
+   corresponding selection.  Clear the selection if CLEAR_P is
+   non-zero.  */
+
+OSStatus
+mac_get_selection_from_symbol (sym, clear_p, sel)
+     Lisp_Object sym;
+     int clear_p;
+     Selection *sel;
+{
+  OSStatus err = noErr;
+  Lisp_Object str = Fget (sym, Qmac_scrap_name);
+
+  if (!STRINGP (str))
+    *sel = NULL;
+  else
+    {
+#if TARGET_API_MAC_CARBON
+#ifdef MAC_OSX
+      CFStringRef scrap_name = cfstring_create_with_string (str);
+      OptionBits options = (clear_p ? kScrapClearNamedScrap
+			    : kScrapGetNamedScrap);
+
+      err = GetScrapByName (scrap_name, options, sel);
+      CFRelease (scrap_name);
+#else	/* !MAC_OSX */
+      if (clear_p)
+	err = ClearCurrentScrap ();
+      if (err == noErr)
+	err = GetCurrentScrap (sel);
+#endif	/* !MAC_OSX */
+#else	/* !TARGET_API_MAC_CARBON */
+      if (clear_p)
+	err = ZeroScrap ();
+      if (err == noErr)
+	*sel = 1;
+#endif	/* !TARGET_API_MAC_CARBON */
+    }
+
+  return err;
+}
+
+/* Get a scrap flavor type from the symbol SYM.  Return 0 if no
+   corresponding flavor type.  If SEL is non-zero, the return value is
+   non-zero only when the SEL has the flavor type.  */
+
+static ScrapFlavorType
+get_flavor_type_from_symbol (sym, sel)
+     Lisp_Object sym;
+     Selection sel;
+{
+  Lisp_Object str = Fget (sym, Qmac_ostype);
+  ScrapFlavorType flavor_type;
+
+  if (STRINGP (str) && SBYTES (str) == 4)
+    flavor_type = EndianU32_BtoN (*((UInt32 *) SDATA (str)));
+  else
+    flavor_type = 0;
+
+  if (flavor_type && sel)
+    {
+#if TARGET_API_MAC_CARBON
+      OSStatus err;
+      ScrapFlavorFlags flags;
+
+      err = GetScrapFlavorFlags (sel, flavor_type, &flags);
+      if (err != noErr)
+	flavor_type = 0;
+#else  /* !TARGET_API_MAC_CARBON */
+      SInt32 size, offset;
+
+      size = GetScrap (NULL, flavor_type, &offset);
+      if (size < 0)
+	flavor_type = 0;
+#endif	/* !TARGET_API_MAC_CARBON */
+    }
+
+  return flavor_type;
+}
+
+/* Check if the symbol SYM has a corresponding selection target type.  */
+
+int
+mac_valid_selection_target_p (sym)
+     Lisp_Object sym;
+{
+  return get_flavor_type_from_symbol (sym, 0) != 0;
+}
+
+/* Clear the selection whose reference is *SEL.  */
+
+OSStatus
+mac_clear_selection (sel)
+     Selection *sel;
+{
+#if TARGET_API_MAC_CARBON
+#ifdef MAC_OSX
+  return ClearScrap (sel);
+#else
+  OSStatus err;
+
+  err = ClearCurrentScrap ();
+  if (err == noErr)
+    err = GetCurrentScrap (sel);
+  return err;
+#endif
+#else  /* !TARGET_API_MAC_CARBON */
+  return ZeroScrap ();
+#endif	/* !TARGET_API_MAC_CARBON */
+}
+
+/* Get ownership information for SEL.  Emacs can detect a change of
+   the ownership by comparing saved and current values of the
+   ownership information.  */
+
+Lisp_Object
+mac_get_selection_ownership_info (sel)
+     Selection sel;
+{
+#if TARGET_API_MAC_CARBON
+  return long_to_cons ((unsigned long) sel);
+#else  /* !TARGET_API_MAC_CARBON */
+  ScrapStuffPtr scrap_info = InfoScrap ();
+
+  return make_number (scrap_info->scrapCount);
+#endif	/* !TARGET_API_MAC_CARBON */
+}
+
+/* Return non-zero if VALUE is a valid selection value for TARGET.  */
+
+int
+mac_valid_selection_value_p (value, target)
+     Lisp_Object value, target;
+{
+  return STRINGP (value);
+}
+
+/* Put Lisp object VALUE to the selection SEL.  The target type is
+   specified by TARGET. */
+
+OSStatus
+mac_put_selection_value (sel, target, value)
+     Selection sel;
+     Lisp_Object target, value;
+{
+  ScrapFlavorType flavor_type = get_flavor_type_from_symbol (target, 0);
+
+  if (flavor_type == 0 || !STRINGP (value))
+    return noTypeErr;
+
+#if TARGET_API_MAC_CARBON
+  return PutScrapFlavor (sel, flavor_type, kScrapFlavorMaskNone,
+			 SBYTES (value), SDATA (value));
+#else  /* !TARGET_API_MAC_CARBON */
+  return PutScrap (SBYTES (value), flavor_type, SDATA (value));
+#endif	/* !TARGET_API_MAC_CARBON */
+}
+
+/* Check if data for the target type TARGET is available in SEL.  */
+
+int
+mac_selection_has_target_p (sel, target)
+     Selection sel;
+     Lisp_Object target;
+{
+  return get_flavor_type_from_symbol (target, sel) != 0;
+}
+
+/* Get data for the target type TARGET from SEL and create a Lisp
+   string.  Return nil if failed to get data.  */
+
+Lisp_Object
+mac_get_selection_value (sel, target)
+     Selection sel;
+     Lisp_Object target;
+{
+  OSStatus err;
+  Lisp_Object result = Qnil;
+  ScrapFlavorType flavor_type = get_flavor_type_from_symbol (target, sel);
+#if TARGET_API_MAC_CARBON
+  Size size;
+
+  if (flavor_type)
+    {
+      err = GetScrapFlavorSize (sel, flavor_type, &size);
+      if (err == noErr)
+	{
+	  do
+	    {
+	      result = make_uninit_string (size);
+	      err = GetScrapFlavorData (sel, flavor_type,
+					&size, SDATA (result));
+	      if (err != noErr)
+		result = Qnil;
+	      else if (size < SBYTES (result))
+		result = make_unibyte_string (SDATA (result), size);
+	    }
+	  while (STRINGP (result) && size > SBYTES (result));
+	}
+    }
+#else
+  Handle handle;
+  SInt32 size, offset;
+
+  if (flavor_type)
+    size = GetScrap (NULL, flavor_type, &offset);
+  if (size >= 0)
+    {
+      handle = NewHandle (size);
+      HLock (handle);
+      size = GetScrap (handle, flavor_type, &offset);
+      if (size >= 0)
+	result = make_unibyte_string (*handle, size);
+      DisposeHandle (handle);
+    }
+#endif
+
+  return result;
+}
+
+/* Get the list of target types in SEL.  The return value is a list of
+   target type symbols possibly followed by scrap flavor type
+   strings.  */
+
+Lisp_Object
+mac_get_selection_target_list (sel)
+     Selection sel;
+{
+  Lisp_Object result = Qnil, rest, target;
+#if TARGET_API_MAC_CARBON
+  OSStatus err;
+  UInt32 count, i, type;
+  ScrapFlavorInfo *flavor_info = NULL;
+  Lisp_Object strings = Qnil;
+
+  err = GetScrapFlavorCount (sel, &count);
+  if (err == noErr)
+    flavor_info = xmalloc (sizeof (ScrapFlavorInfo) * count);
+  err = GetScrapFlavorInfoList (sel, &count, flavor_info);
+  if (err != noErr)
+    {
+      xfree (flavor_info);
+      flavor_info = NULL;
+    }
+  if (flavor_info == NULL)
+    count = 0;
+#endif
+  for (rest = Vselection_converter_alist; CONSP (rest); rest = XCDR (rest))
+    {
+      ScrapFlavorType flavor_type = 0;
+
+      if (CONSP (XCAR (rest))
+	  && (target = XCAR (XCAR (rest)),
+	      SYMBOLP (target))
+	  && (flavor_type = get_flavor_type_from_symbol (target, sel)))
+	{
+	  result = Fcons (target, result);
+#if TARGET_API_MAC_CARBON
+	  for (i = 0; i < count; i++)
+	    if (flavor_info[i].flavorType == flavor_type)
+	      {
+		flavor_info[i].flavorType = 0;
+		break;
+	      }
+#endif
+	}
+    }
+#if TARGET_API_MAC_CARBON
+  if (flavor_info)
+    {
+      for (i = 0; i < count; i++)
+	if (flavor_info[i].flavorType)
+	  {
+	    type = EndianU32_NtoB (flavor_info[i].flavorType);
+	    strings = Fcons (make_unibyte_string ((char *) &type, 4), strings);
+	  }
+      result = nconc2 (result, strings);
+      xfree (flavor_info);
+    }
+#endif
+
+  return result;
+}
+
+
+/***********************************************************************
+			 Apple event support
+***********************************************************************/
+
+extern pascal OSErr mac_handle_apple_event P_ ((const AppleEvent *,
+						AppleEvent *, SInt32));
+extern void cleanup_all_suspended_apple_events P_ ((void));
+
+void
+init_apple_event_handler ()
+{
+  OSErr err;
+  long result;
+
+  /* Make sure we have Apple events before starting.  */
+  err = Gestalt (gestaltAppleEventsAttr, &result);
+  if (err != noErr)
+    abort ();
+
+  if (!(result & (1 << gestaltAppleEventsPresent)))
+    abort ();
+
+  err = AEInstallEventHandler (typeWildCard, typeWildCard,
+#if TARGET_API_MAC_CARBON
+			       NewAEEventHandlerUPP (mac_handle_apple_event),
+#else
+			       NewAEEventHandlerProc (mac_handle_apple_event),
+#endif
+			       0L, false);
+  if (err != noErr)
+    abort ();
+
+  atexit (cleanup_all_suspended_apple_events);
+}
+
+
+/***********************************************************************
+                      Drag and drop support
+***********************************************************************/
+
+#if TARGET_API_MAC_CARBON
+extern Lisp_Object Vmac_dnd_known_types;
+
+static pascal OSErr mac_do_track_drag P_ ((DragTrackingMessage, WindowRef,
+					   void *, DragRef));
+static pascal OSErr mac_do_receive_drag P_ ((WindowRef, void *, DragRef));
+static DragTrackingHandlerUPP mac_do_track_dragUPP = NULL;
+static DragReceiveHandlerUPP mac_do_receive_dragUPP = NULL;
+
+static void
+mac_store_drag_event (window, mouse_pos, modifiers, desc)
+     WindowRef window;
+     Point mouse_pos;
+     SInt16 modifiers;
+     const AEDesc *desc;
+{
+  struct input_event buf;
+
+  EVENT_INIT (buf);
+
+  buf.kind = DRAG_N_DROP_EVENT;
+  buf.modifiers = mac_to_emacs_modifiers (modifiers, 0);
+  buf.timestamp = TickCount () * (1000 / 60);
+  XSETINT (buf.x, mouse_pos.h);
+  XSETINT (buf.y, mouse_pos.v);
+  XSETFRAME (buf.frame_or_window, mac_window_to_frame (window));
+  buf.arg = mac_aedesc_to_lisp (desc);
+  kbd_buffer_store_event (&buf);
+}
+
+static pascal OSErr
+mac_do_track_drag (message, window, refcon, drag)
+     DragTrackingMessage message;
+     WindowRef window;
+     void *refcon;
+     DragRef drag;
+{
+  OSErr err = noErr;
+  static int can_accept;
+  UInt16 num_items, index;
+
+  if (GetFrontWindowOfClass (kMovableModalWindowClass, false))
+    return dragNotAcceptedErr;
+
+  switch (message)
+    {
+    case kDragTrackingEnterHandler:
+      err = CountDragItems (drag, &num_items);
+      if (err != noErr)
+	break;
+      can_accept = 0;
+      for (index = 1; index <= num_items; index++)
+	{
+	  ItemReference item;
+	  FlavorFlags flags;
+	  Lisp_Object rest;
+
+	  err = GetDragItemReferenceNumber (drag, index, &item);
+	  if (err != noErr)
+	    continue;
+	  for (rest = Vmac_dnd_known_types; CONSP (rest); rest = XCDR (rest))
+	    {
+	      Lisp_Object str;
+	      FlavorType type;
+
+	      str = XCAR (rest);
+	      if (!(STRINGP (str) && SBYTES (str) == 4))
+		continue;
+	      type = EndianU32_BtoN (*((UInt32 *) SDATA (str)));
+
+	      err = GetFlavorFlags (drag, item, type, &flags);
+	      if (err == noErr)
+		{
+		  can_accept = 1;
+		  break;
+		}
+	    }
+	}
+      break;
+
+    case kDragTrackingEnterWindow:
+      if (can_accept)
+	{
+	  RgnHandle hilite_rgn = NewRgn ();
+
+	  if (hilite_rgn)
+	    {
+	      Rect r;
+
+	      GetWindowPortBounds (window, &r);
+	      OffsetRect (&r, -r.left, -r.top);
+	      RectRgn (hilite_rgn, &r);
+	      ShowDragHilite (drag, hilite_rgn, true);
+	      DisposeRgn (hilite_rgn);
+	    }
+	  SetThemeCursor (kThemeCopyArrowCursor);
+	}
+      break;
+
+    case kDragTrackingInWindow:
+      break;
+
+    case kDragTrackingLeaveWindow:
+      if (can_accept)
+	{
+	  HideDragHilite (drag);
+	  SetThemeCursor (kThemeArrowCursor);
+	}
+      break;
+
+    case kDragTrackingLeaveHandler:
+      break;
+    }
+
+  if (err != noErr)
+    return dragNotAcceptedErr;
+  return noErr;
+}
+
+static pascal OSErr
+mac_do_receive_drag (window, refcon, drag)
+     WindowRef window;
+     void *refcon;
+     DragRef drag;
+{
+  OSErr err;
+  int num_types, i;
+  Lisp_Object rest, str;
+  FlavorType *types;
+  AppleEvent apple_event;
+  Point mouse_pos;
+  SInt16 modifiers;
+
+  if (GetFrontWindowOfClass (kMovableModalWindowClass, false))
+    return dragNotAcceptedErr;
+
+  num_types = 0;
+  for (rest = Vmac_dnd_known_types; CONSP (rest); rest = XCDR (rest))
+    {
+      str = XCAR (rest);
+      if (STRINGP (str) && SBYTES (str) == 4)
+	num_types++;
+    }
+
+  types = xmalloc (sizeof (FlavorType) * num_types);
+  i = 0;
+  for (rest = Vmac_dnd_known_types; CONSP (rest); rest = XCDR (rest))
+    {
+      str = XCAR (rest);
+      if (STRINGP (str) && SBYTES (str) == 4)
+	types[i++] = EndianU32_BtoN (*((UInt32 *) SDATA (str)));
+    }
+
+  err = create_apple_event_from_drag_ref (drag, num_types, types,
+					  &apple_event);
+  xfree (types);
+
+  if (err == noErr)
+    err = GetDragMouse (drag, &mouse_pos, NULL);
+  if (err == noErr)
+    {
+      GlobalToLocal (&mouse_pos);
+      err = GetDragModifiers (drag, NULL, NULL, &modifiers);
+    }
+  if (err == noErr)
+    {
+      UInt32 key_modifiers = modifiers;
+
+      err = AEPutParamPtr (&apple_event, kEventParamKeyModifiers,
+			   typeUInt32, &key_modifiers, sizeof (UInt32));
+    }
+
+  if (err == noErr)
+    {
+      mac_store_drag_event (window, mouse_pos, 0, &apple_event);
+      AEDisposeDesc (&apple_event);
+      mac_wakeup_from_rne ();
+      return noErr;
+    }
+  else
+    return dragNotAcceptedErr;
+}
+#endif	/* TARGET_API_MAC_CARBON */
+
+static OSErr
+install_drag_handler (window)
+     WindowRef window;
+{
+  OSErr err = noErr;
+
+#if TARGET_API_MAC_CARBON
+  if (mac_do_track_dragUPP == NULL)
+    mac_do_track_dragUPP = NewDragTrackingHandlerUPP (mac_do_track_drag);
+  if (mac_do_receive_dragUPP == NULL)
+    mac_do_receive_dragUPP = NewDragReceiveHandlerUPP (mac_do_receive_drag);
+
+  err = InstallTrackingHandler (mac_do_track_dragUPP, window, NULL);
+  if (err == noErr)
+    err = InstallReceiveHandler (mac_do_receive_dragUPP, window, NULL);
+#endif
+
+  return err;
+}
+
+static void
+remove_drag_handler (window)
+     WindowRef window;
+{
+#if TARGET_API_MAC_CARBON
+  if (mac_do_track_dragUPP)
+    RemoveTrackingHandler (mac_do_track_dragUPP, window);
+  if (mac_do_receive_dragUPP)
+    RemoveReceiveHandler (mac_do_receive_dragUPP, window);
+#endif
+}
+
+#if TARGET_API_MAC_CARBON
+/* Return default value for mac-dnd-known-types.  */
+
+Lisp_Object
+mac_dnd_default_known_types ()
+{
+  Lisp_Object result = list4 (build_string ("hfs "), build_string ("utxt"),
+			      build_string ("TEXT"), build_string ("TIFF"));
+
+#ifdef MAC_OSX
+  result = Fcons (build_string ("furl"), result);
+#endif
+
+  return result;
+}
+#endif
+
+
+/***********************************************************************
+			Services menu support
+***********************************************************************/
+
+#ifdef MAC_OSX
+extern Lisp_Object Qservice, Qpaste, Qperform;
+extern Lisp_Object Vmac_service_selection;
+
+static OSStatus
+mac_store_service_event (event)
+     EventRef event;
+{
+  OSStatus err;
+  Lisp_Object id_key;
+  int num_params;
+  const EventParamName *names;
+  const EventParamType *types;
+  static const EventParamName names_pfm[] =
+    {kEventParamServiceMessageName, kEventParamServiceUserData};
+  static const EventParamType types_pfm[] =
+    {typeCFStringRef, typeCFStringRef};
+
+  switch (GetEventKind (event))
+    {
+    case kEventServicePaste:
+      id_key = Qpaste;
+      num_params = 0;
+      names = NULL;
+      types = NULL;
+      break;
+
+    case kEventServicePerform:
+      id_key = Qperform;
+      num_params = sizeof (names_pfm) / sizeof (names_pfm[0]);
+      names = names_pfm;
+      types = types_pfm;
+      break;
+
+    default:
+      abort ();
+    }
+
+  err = mac_store_event_ref_as_apple_event (0, 0, Qservice, id_key,
+					    event, num_params,
+					    names, types);
+
+  return err;
+}
+
+static OSStatus
+copy_scrap_flavor_data (from_scrap, to_scrap, flavor_type)
+     ScrapRef from_scrap, to_scrap;
+     ScrapFlavorType flavor_type;
+{
+  OSStatus err;
+  Size size, size_allocated;
+  char *buf = NULL;
+
+  err = GetScrapFlavorSize (from_scrap, flavor_type, &size);
+  if (err == noErr)
+    buf = xmalloc (size);
+  while (buf)
+    {
+      size_allocated = size;
+      err = GetScrapFlavorData (from_scrap, flavor_type, &size, buf);
+      if (err != noErr)
+	{
+	  xfree (buf);
+	  buf = NULL;
+	}
+      else if (size_allocated < size)
+	buf = xrealloc (buf, size);
+      else
+	break;
+    }
+  if (err == noErr)
+    {
+      if (buf == NULL)
+	err = memFullErr;
+      else
+	{
+	  err = PutScrapFlavor (to_scrap, flavor_type, kScrapFlavorMaskNone,
+				size, buf);
+	  xfree (buf);
+	}
+    }
+
+  return err;
+}
+
+static OSStatus
+mac_handle_service_event (call_ref, event, data)
+     EventHandlerCallRef call_ref;
+     EventRef event;
+     void *data;
+{
+  OSStatus err = noErr;
+  ScrapRef cur_scrap, specific_scrap;
+  UInt32 event_kind = GetEventKind (event);
+  CFMutableArrayRef copy_types, paste_types;
+  CFStringRef type;
+  Lisp_Object rest;
+  ScrapFlavorType flavor_type;
+
+  /* Check if Vmac_service_selection is a valid selection that has a
+     corresponding scrap.  */
+  if (!SYMBOLP (Vmac_service_selection))
+    err = eventNotHandledErr;
+  else
+    err = mac_get_selection_from_symbol (Vmac_service_selection, 0, &cur_scrap);
+  if (!(err == noErr && cur_scrap))
+    return eventNotHandledErr;
+
+  switch (event_kind)
+    {
+    case kEventServiceGetTypes:
+      /* Set paste types. */
+      err = GetEventParameter (event, kEventParamServicePasteTypes,
+			       typeCFMutableArrayRef, NULL,
+			       sizeof (CFMutableArrayRef), NULL,
+			       &paste_types);
+      if (err != noErr)
+	break;
+
+      for (rest = Vselection_converter_alist; CONSP (rest);
+	   rest = XCDR (rest))
+	if (CONSP (XCAR (rest)) && SYMBOLP (XCAR (XCAR (rest)))
+	    && (flavor_type =
+		get_flavor_type_from_symbol (XCAR (XCAR (rest)), 0)))
+	  {
+	    type = CreateTypeStringWithOSType (flavor_type);
+	    if (type)
+	      {
+		CFArrayAppendValue (paste_types, type);
+		CFRelease (type);
+	      }
+	  }
+
+      /* Set copy types.  */
+      err = GetEventParameter (event, kEventParamServiceCopyTypes,
+			       typeCFMutableArrayRef, NULL,
+			       sizeof (CFMutableArrayRef), NULL,
+			       &copy_types);
+      if (err != noErr)
+	break;
+
+      if (NILP (Fx_selection_owner_p (Vmac_service_selection)))
+	break;
+      else
+	goto copy_all_flavors;
+
+    case kEventServiceCopy:
+      err = GetEventParameter (event, kEventParamScrapRef,
+			       typeScrapRef, NULL,
+			       sizeof (ScrapRef), NULL, &specific_scrap);
+      if (err != noErr
+	  || NILP (Fx_selection_owner_p (Vmac_service_selection)))
+	{
+	  err = eventNotHandledErr;
+	  break;
+	}
+
+    copy_all_flavors:
+      {
+	UInt32 count, i;
+	ScrapFlavorInfo *flavor_info = NULL;
+	ScrapFlavorFlags flags;
+
+	err = GetScrapFlavorCount (cur_scrap, &count);
+	if (err == noErr)
+	  flavor_info = xmalloc (sizeof (ScrapFlavorInfo) * count);
+	err = GetScrapFlavorInfoList (cur_scrap, &count, flavor_info);
+	if (err != noErr)
+	  {
+	    xfree (flavor_info);
+	    flavor_info = NULL;
+	  }
+	if (flavor_info == NULL)
+	  break;
+
+	for (i = 0; i < count; i++)
+	  {
+	    flavor_type = flavor_info[i].flavorType;
+	    err = GetScrapFlavorFlags (cur_scrap, flavor_type, &flags);
+	    if (err == noErr && !(flags & kScrapFlavorMaskSenderOnly))
+	      {
+		if (event_kind == kEventServiceCopy)
+		  err = copy_scrap_flavor_data (cur_scrap, specific_scrap,
+						flavor_type);
+		else	     /* event_kind == kEventServiceGetTypes */
+		  {
+		    type = CreateTypeStringWithOSType (flavor_type);
+		    if (type)
+		      {
+			CFArrayAppendValue (copy_types, type);
+			CFRelease (type);
+		      }
+		  }
+	      }
+	  }
+	xfree (flavor_info);
+      }
+      break;
+
+    case kEventServicePaste:
+    case kEventServicePerform:
+      {
+	int data_exists_p = 0;
+
+        err = GetEventParameter (event, kEventParamScrapRef, typeScrapRef,
+				 NULL, sizeof (ScrapRef), NULL,
+				 &specific_scrap);
+	if (err == noErr)
+	  err = mac_clear_selection (&cur_scrap);
+	if (err == noErr)
+	  for (rest = Vselection_converter_alist; CONSP (rest);
+	       rest = XCDR (rest))
+	    {
+	      if (! (CONSP (XCAR (rest)) && SYMBOLP (XCAR (XCAR (rest)))))
+		continue;
+	      flavor_type = get_flavor_type_from_symbol (XCAR (XCAR (rest)),
+							 specific_scrap);
+	      if (flavor_type == 0)
+		continue;
+	      err = copy_scrap_flavor_data (specific_scrap, cur_scrap,
+					    flavor_type);
+	      if (err == noErr)
+		data_exists_p = 1;
+	    }
+	if (!data_exists_p)
+	  err = eventNotHandledErr;
+	else
+	  err = mac_store_service_event (event);
+      }
+      break;
+    }
+
+  if (err != noErr)
+    err = eventNotHandledErr;
+  return err;
+}
+
+static OSStatus
+install_service_handler ()
+{
+  static const EventTypeSpec specs[] =
+    {{kEventClassService, kEventServiceGetTypes},
+     {kEventClassService, kEventServiceCopy},
+     {kEventClassService, kEventServicePaste},
+     {kEventClassService, kEventServicePerform}};
+
+  return InstallApplicationEventHandler (NewEventHandlerUPP
+					 (mac_handle_service_event),
+					 GetEventTypeCount (specs),
+					 specs, NULL, NULL);
+}
+#endif	/* MAC_OSX */
+
+
+/***********************************************************************
+			    Initialization
+ ***********************************************************************/
+
+void
+mac_toolbox_initialize ()
+{
+  any_help_event_p = 0;
+
+  init_menu_bar ();
+
+#ifdef MAC_OSX
+  init_apple_event_handler ();
+#endif
+#if USE_MAC_TSM
+  init_tsm ();
+#endif
+}