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nsmenu.m
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nsmenu.m
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/* NeXT/Open/GNUstep and MacOSX Cocoa menu and toolbar module.
Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012 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 of the License, 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. If not, see <http://www.gnu.org/licenses/>. */
/*
By Adrian Robert, based on code from original nsmenu.m (Carl Edman,
Christian Limpach, Scott Bender, Christophe de Dinechin) and code in the
Carbon version by Yamamoto Mitsuharu. */
/* This should be the first include, as it may set up #defines affecting
interpretation of even the system includes. */
#include "config.h"
#include <setjmp.h>
#include "lisp.h"
#include "window.h"
#include "buffer.h"
#include "keymap.h"
#include "coding.h"
#include "commands.h"
#include "blockinput.h"
#include "nsterm.h"
#include "termhooks.h"
#include "keyboard.h"
#include "menu.h"
#define NSMENUPROFILE 0
#if NSMENUPROFILE
#include <sys/timeb.h>
#include <sys/types.h>
#endif
#define MenuStagger 10.0
#if 0
int menu_trace_num = 0;
#define NSTRACE(x) fprintf (stderr, "%s:%d: [%d] " #x "\n", \
__FILE__, __LINE__, ++menu_trace_num)
#else
#define NSTRACE(x)
#endif
#if 0
/* Include lisp -> C common menu parsing code */
#define ENCODE_MENU_STRING(str) ENCODE_UTF_8 (str)
#include "nsmenu_common.c"
#endif
extern Lisp_Object Qundefined, Qmenu_enable, Qmenu_bar_update_hook;
extern Lisp_Object QCtoggle, QCradio;
Lisp_Object Qdebug_on_next_call;
Lisp_Object Vcancel_special_indicator_flag;
extern Lisp_Object Voverriding_local_map, Voverriding_local_map_menu_flag,
Qoverriding_local_map, Qoverriding_terminal_local_map;
extern long context_menu_value;
EmacsMenu *mainMenu, *svcsMenu, *dockMenu;
NSMenu *panelMenu;
/* Nonzero means a menu is currently active. */
static int popup_activated_flag;
static NSModalSession popupSession;
static EmacsAlertPanel *popupSheetAlert;
Lisp_Object Vns_tool_bar_size_mode;
Lisp_Object Vns_tool_bar_display_mode;
/* NOTE: toolbar implementation is at end,
following complete menu implementation. */
/* ==========================================================================
Menu: Externally-called functions
========================================================================== */
/* FIXME: not currently used, but should normalize with other terms. */
void
x_activate_menubar (struct frame *f)
{
fprintf (stderr, "XXX: Received x_activate_menubar event.\n");
}
/* Supposed to discard menubar and free storage. Since we share the
menubar among frames and update its context for the focused window,
there is nothing to do here. */
void
free_frame_menubar (struct frame *f)
{
return;
}
int
popup_activated ()
{
return popup_activated_flag;
}
/* --------------------------------------------------------------------------
Update menubar. Three cases:
1) deep_p = 0, submenu = nil: Fresh switch onto a frame -- either set up
just top-level menu strings (OS X), or goto case (2) (GNUstep).
2) deep_p = 1, submenu = nil: Recompute all submenus.
3) deep_p = 1, submenu = non-nil: Update contents of a single submenu.
-------------------------------------------------------------------------- */
void
ns_update_menubar (struct frame *f, int deep_p, EmacsMenu *submenu)
{
NSAutoreleasePool *pool;
id menu = [NSApp mainMenu];
static EmacsMenu *last_submenu = nil;
BOOL needsSet = NO;
const char *submenuTitle = [[submenu title] UTF8String];
extern int waiting_for_input;
int owfi;
Lisp_Object items;
widget_value *wv, *first_wv, *prev_wv = 0;
int i;
#if NSMENUPROFILE
struct timeb tb;
long t;
#endif
NSTRACE (set_frame_menubar);
if (f != SELECTED_FRAME ())
return;
if ([[FRAME_NS_VIEW (f) window] attachedSheet] &&
[[[FRAME_NS_VIEW (f) window] attachedSheet] isKindOfClass: [EmacsSavePanel class]])
{
//[mainMenu retain];
//[NSApp setMainMenu: [panelMenu retain]];
[NSApp setMainMenu: panelMenu];
return;
}
if (! [[FRAME_NS_VIEW (f) window] isKindOfClass: [EmacsWindow class]])
{
return;
}
[NSApp setMainMenu: mainMenu];
XSETFRAME (Vmenu_updating_frame, f);
/*fprintf (stderr, "ns_update_menubar: frame: %p\tdeep: %d\tsub: %p\n", f, deep_p, submenu); */
BLOCK_INPUT;
pool = [[NSAutoreleasePool alloc] init];
/* Menu may have been created automatically; if so, discard it. */
if ([menu isKindOfClass: [EmacsMenu class]] == NO) // && menu != panelMenu)
{
if (menu != panelMenu)
[menu release];
menu = nil;
}
if (menu == nil)
{
menu = [[EmacsMenu alloc] initWithTitle: ns_app_name];
needsSet = YES;
}
else
{ /* close up anything on there */
id attMenu = [menu attachedMenu];
if (attMenu != nil)
[attMenu close];
}
#if NSMENUPROFILE
ftime (&tb);
t = -(1000*tb.time+tb.millitm);
#endif
#ifdef NS_IMPL_GNUSTEP
deep_p = 1; /* until GNUstep NSMenu implements the Panther delegation model */
#endif
if (deep_p)
{
/* Fully parse one or more of the submenus. */
int n = 0;
int *submenu_start, *submenu_end;
int *submenu_top_level_items, *submenu_n_panes;
struct buffer *prev = current_buffer;
Lisp_Object buffer;
int specpdl_count = SPECPDL_INDEX ();
int previous_menu_items_used = f->menu_bar_items_used;
Lisp_Object *previous_items
= (Lisp_Object *) alloca (previous_menu_items_used
* sizeof (Lisp_Object));
/* lisp preliminaries */
buffer = XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer;
specbind (Qinhibit_quit, Qt);
specbind (Qdebug_on_next_call, Qnil);
record_unwind_save_match_data ();
if (NILP (Voverriding_local_map_menu_flag))
{
specbind (Qoverriding_terminal_local_map, Qnil);
specbind (Qoverriding_local_map, Qnil);
}
set_buffer_internal_1 (XBUFFER (buffer));
/* TODO: for some reason this is not needed in other terms,
but some menu updates call Info-extract-pointer which causes
abort-on-error if waiting-for-input. Needs further investigation. */
owfi = waiting_for_input;
waiting_for_input = 0;
/* lucid hook and possible reset */
safe_run_hooks (Qactivate_menubar_hook);
if (! NILP (Vlucid_menu_bar_dirty_flag))
call0 (Qrecompute_lucid_menubar);
safe_run_hooks (Qmenu_bar_update_hook);
FRAME_MENU_BAR_ITEMS (f) = menu_bar_items (FRAME_MENU_BAR_ITEMS (f));
/* Now ready to go */
items = FRAME_MENU_BAR_ITEMS (f);
/* Save the frame's previous menu bar contents data */
if (previous_menu_items_used)
bcopy (XVECTOR (f->menu_bar_vector)->contents, previous_items,
previous_menu_items_used * sizeof (Lisp_Object));
/* parse stage 1: extract from lisp */
save_menu_items ();
menu_items = f->menu_bar_vector;
menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0;
submenu_start = (int *) alloca (ASIZE (items) * sizeof (int *));
submenu_end = (int *) alloca (ASIZE (items) * sizeof (int *));
submenu_n_panes = (int *) alloca (ASIZE (items) * sizeof (int));
submenu_top_level_items
= (int *) alloca (ASIZE (items) * sizeof (int *));
init_menu_items ();
for (i = 0; i < ASIZE (items); i += 4)
{
Lisp_Object key, string, maps;
key = AREF (items, i);
string = AREF (items, i + 1);
maps = AREF (items, i + 2);
if (NILP (string))
break;
/* FIXME: we'd like to only parse the needed submenu, but this
was causing crashes in the _common parsing code.. need to make
sure proper initialization done.. */
/* if (submenu && strcmp (submenuTitle, SDATA (string)))
continue; */
submenu_start[i] = menu_items_used;
menu_items_n_panes = 0;
submenu_top_level_items[i] = parse_single_submenu (key, string, maps);
submenu_n_panes[i] = menu_items_n_panes;
submenu_end[i] = menu_items_used;
n++;
}
finish_menu_items ();
waiting_for_input = owfi;
if (submenu && n == 0)
{
/* should have found a menu for this one but didn't */
fprintf (stderr, "ERROR: did not find lisp menu for submenu '%s'.\n",
submenuTitle);
discard_menu_items ();
unbind_to (specpdl_count, Qnil);
[pool release];
UNBLOCK_INPUT;
return;
}
/* parse stage 2: insert into lucid 'widget_value' structures
[comments in other terms say not to evaluate lisp code here] */
wv = xmalloc_widget_value ();
wv->name = "menubar";
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
wv->help = Qnil;
first_wv = wv;
for (i = 0; i < 4*n; i += 4)
{
menu_items_n_panes = submenu_n_panes[i];
wv = digest_single_submenu (submenu_start[i], submenu_end[i],
submenu_top_level_items[i]);
if (prev_wv)
prev_wv->next = wv;
else
first_wv->contents = wv;
/* Don't set wv->name here; GC during the loop might relocate it. */
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
prev_wv = wv;
}
set_buffer_internal_1 (prev);
/* Compare the new menu items with previous, and leave off if no change */
/* FIXME: following other terms here, but seems like this should be
done before parse stage 2 above, since its results aren't used */
if (previous_menu_items_used
&& (!submenu || (submenu && submenu == last_submenu))
&& menu_items_used == previous_menu_items_used)
{
for (i = 0; i < previous_menu_items_used; i++)
/* FIXME: this ALWAYS fails on Buffers menu items.. something
about their strings causes them to change every time, so we
double-check failures */
if (!EQ (previous_items[i], AREF (menu_items, i)))
if (!(STRINGP (previous_items[i])
&& STRINGP (AREF (menu_items, i))
&& !strcmp (SDATA (previous_items[i]),
SDATA (AREF (menu_items, i)))))
break;
if (i == previous_menu_items_used)
{
/* No change.. */
#if NSMENUPROFILE
ftime (&tb);
t += 1000*tb.time+tb.millitm;
fprintf (stderr, "NO CHANGE! CUTTING OUT after %ld msec.\n", t);
#endif
free_menubar_widget_value_tree (first_wv);
discard_menu_items ();
unbind_to (specpdl_count, Qnil);
[pool release];
UNBLOCK_INPUT;
return;
}
}
/* The menu items are different, so store them in the frame */
/* FIXME: this is not correct for single-submenu case */
f->menu_bar_vector = menu_items;
f->menu_bar_items_used = menu_items_used;
/* Calls restore_menu_items, etc., as they were outside */
unbind_to (specpdl_count, Qnil);
/* Parse stage 2a: now GC cannot happen during the lifetime of the
widget_value, so it's safe to store data from a Lisp_String */
wv = first_wv->contents;
for (i = 0; i < ASIZE (items); i += 4)
{
Lisp_Object string;
string = AREF (items, i + 1);
if (NILP (string))
break;
/* if (submenu && strcmp (submenuTitle, SDATA (string)))
continue; */
wv->name = (char *) SDATA (string);
update_submenu_strings (wv->contents);
wv = wv->next;
}
/* Now, update the NS menu; if we have a submenu, use that, otherwise
create a new menu for each sub and fill it. */
if (submenu)
{
for (wv = first_wv->contents; wv; wv = wv->next)
{
if (!strcmp (submenuTitle, wv->name))
{
[submenu fillWithWidgetValue: wv->contents];
last_submenu = submenu;
break;
}
}
}
else
{
[menu fillWithWidgetValue: first_wv->contents];
}
}
else
{
static int n_previous_strings = 0;
static char previous_strings[100][10];
static struct frame *last_f = NULL;
int n;
Lisp_Object string;
wv = xmalloc_widget_value ();
wv->name = "menubar";
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
wv->help = Qnil;
first_wv = wv;
/* Make widget-value tree w/ just the top level menu bar strings */
items = FRAME_MENU_BAR_ITEMS (f);
if (NILP (items))
{
[pool release];
UNBLOCK_INPUT;
return;
}
/* check if no change.. this mechanism is a bit rough, but ready */
n = ASIZE (items) / 4;
if (f == last_f && n_previous_strings == n)
{
for (i = 0; i<n; i++)
{
string = AREF (items, 4*i+1);
if (EQ (string, make_number (0))) // FIXME: Why??? --Stef
continue;
if (NILP (string))
if (previous_strings[i][0])
break;
else
continue;
if (strncmp (previous_strings[i], SDATA (string), 10))
break;
}
if (i == n)
{
[pool release];
UNBLOCK_INPUT;
return;
}
}
[menu clear];
for (i = 0; i < ASIZE (items); i += 4)
{
string = AREF (items, i + 1);
if (NILP (string))
break;
if (n < 100)
strncpy (previous_strings[i/4], SDATA (string), 10);
wv = xmalloc_widget_value ();
wv->name = (char *) SDATA (string);
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
wv->help = Qnil;
wv->call_data = (void *) (EMACS_INT) (-1);
#ifdef NS_IMPL_COCOA
/* we'll update the real copy under app menu when time comes */
if (!strcmp ("Services", wv->name))
{
/* but we need to make sure it will update on demand */
[svcsMenu setFrame: f];
}
else
#endif
[menu addSubmenuWithTitle: wv->name forFrame: f];
if (prev_wv)
prev_wv->next = wv;
else
first_wv->contents = wv;
prev_wv = wv;
}
last_f = f;
if (n < 100)
n_previous_strings = n;
else
n_previous_strings = 0;
}
free_menubar_widget_value_tree (first_wv);
#if NSMENUPROFILE
ftime (&tb);
t += 1000*tb.time+tb.millitm;
fprintf (stderr, "Menu update took %ld msec.\n", t);
#endif
/* set main menu */
if (needsSet)
[NSApp setMainMenu: menu];
[pool release];
UNBLOCK_INPUT;
}
/* Main emacs core entry point for menubar menus: called to indicate that the
frame's menus have changed, and the *step representation should be updated
from Lisp. */
void
set_frame_menubar (struct frame *f, int first_time, int deep_p)
{
ns_update_menubar (f, deep_p, nil);
}
/* Utility (from macmenu.c): is this item a separator? */
static int
name_is_separator (name)
const char *name;
{
const char *start = name;
/* Check if name string consists of only dashes ('-'). */
while (*name == '-') name++;
/* Separators can also be of the form "--:TripleSuperMegaEtched"
or "--deep-shadow". We don't implement them yet, se we just treat
them like normal separators. */
return (*name == '\0' || start + 2 == name);
}
/* ==========================================================================
Menu: class implementation
========================================================================== */
/* Menu that can define itself from Emacs "widget_value"s and will lazily
update itself when user clicked. Based on Carbon/AppKit implementation
by Yamamoto Mitsuharu. */
@implementation EmacsMenu
/* override designated initializer */
- initWithTitle: (NSString *)title
{
if (self = [super initWithTitle: title])
[self setAutoenablesItems: NO];
return self;
}
/* used for top-level */
- initWithTitle: (NSString *)title frame: (struct frame *)f
{
[self initWithTitle: title];
frame = f;
#ifdef NS_IMPL_COCOA
[self setDelegate: self];
#endif
return self;
}
- (void)setFrame: (struct frame *)f
{
frame = f;
}
/* delegate method called when a submenu is being opened: run a 'deep' call
to set_frame_menubar */
static int trackingMenu = 0;
/* NSMenuDidBeginTrackingNotification */
-(void)trackingNotification:(NSNotification *)notification
{
trackingMenu = (([notification name] == NSMenuDidBeginTrackingNotification) ? 1 : 0);
/* update menu in menuNeedsUpdate only while tracking menus*/
}
- (void)menuNeedsUpdate: (NSMenu *)menu
{
/* events may be sent to recently deleted frames,
FRAME_NS_VIEW (frame) returns 0x0 */
if (! (frame && FRAME_LIVE_P (frame) && FRAME_NS_VIEW (frame)))
return;
// NSEvent *event = [[FRAME_NS_VIEW (frame) window] currentEvent];
// fprintf (stderr, "Updating menu '%s'\n", [[self title] UTF8String]); NSLog (@"%@\n", event);
/* Cocoa/Carbon will request update on every keystroke via
IsMenuKeyEvent -> CheckMenusForKeyEvent. These are not needed
since key equivalents are handled through emacs.
On Leopard, even keystroke events generate SystemDefined event.
Third-party applications that enhance mouse / trackpad
interaction, or also VNC/Remote Desktop will send events
of type AppDefined rather than SysDefined.
Menus will fail to show up if they haven't been initialized.
AppDefined events may lack timing data.
Thus, we rely on the didBeginTrackingNotification notification
as above to indicate the need for updates.
From 10.6 on, we could also use -[NSMenu propertiesToUpdate]: In the
key press case, NSMenuPropertyItemImage (e.g.) won't be set.
*/
if (trackingMenu == 0
/* Also, don't try this if from an event picked up asynchronously,
as lots of lisp evaluation happens in ns_update_menubar. */
|| handling_signal != 0)
return;
ns_update_menubar (frame, 1, self); /* deep */
}
- (BOOL)performKeyEquivalent: (NSEvent *)event
{
if (SELECTED_FRAME () && FRAME_NS_P (SELECTED_FRAME ())
&& FRAME_NS_VIEW (SELECTED_FRAME ())
/* must check if EmacsWindow. Could be sheet/NSPanel.
If on space without a window, [event window] is nil. */
&& (! [event window] || [[event window] isKindOfClass: [EmacsWindow class]]))
{
/* if we don't have a frame as key,
then the selected frame/window and current buffer will be used.
To Do: prevent changes to that buffer.
(setting read-only here doesn't help - the event is processed later.)*/
[FRAME_NS_VIEW (SELECTED_FRAME ()) keyDown: event];
}
else
{
/* open panels (text fields, etc.) require a
menu with Edit submenu, containing Copy, Paste, Undo, etc. functions
that send the correct actions to the first responders.
Therefore, the panelMenu (which is the main menu normally when sheets
are shown) is called. */
return NO;
// return [[NSApp mainMenu] performKeyEquivalent:event];
}
return YES;
}
/* Parse a widget_value's key rep (examples: 's-p', 's-S', '(C-x C-s)', '<f13>')
into an accelerator string. We are only able to display a single character
for an accelerator, together with an optional modifier combination. (Under
Carbon more control was possible, but in Cocoa multi-char strings passed to
NSMenuItem get ignored. For now we try to display a super-single letter
combo, and return the others as strings to be appended to the item title.
(This is signaled by setting keyEquivModMask to 0 for now.) */
-(NSString *)parseKeyEquiv: (char *)key
{
char *tpos = key;
keyEquivModMask = NSCommandKeyMask;
if (!key || !strlen (key))
return @"";
while (*tpos == ' ' || *tpos == '(')
tpos++;
#ifndef NS_IMPL_COCOA
if (*tpos != 's')
#endif
{
keyEquivModMask = 0; /* signal */
return [NSString stringWithUTF8String: tpos];
}
return [NSString stringWithFormat: @"%c", tpos[2]];
}
- (NSMenuItem *)addItemWithWidgetValue: (void *)wvptr
{
NSMenuItem *item;
widget_value *wv = (widget_value *)wvptr;
if (name_is_separator (wv->name))
{
item = [NSMenuItem separatorItem];
[self addItem: item];
}
else
{
NSString *title, *keyEq;
title = [NSString stringWithUTF8String: wv->name];
if (title == nil)
title = @"< ? >"; /* (get out in the open so we know about it) */
keyEq = [self parseKeyEquiv: wv->key];
#ifdef NS_IMPL_COCOA
/* we display all key equivalents ourselves - Cocoa
won't display more than one single key */
title = [title stringByAppendingFormat: @"\t%@", keyEq];
keyEq = @"";
#endif
item = [self addItemWithTitle: (NSString *)title
action: @selector (menuDown:)
keyEquivalent: keyEq];
[item setKeyEquivalentModifierMask: keyEquivModMask];
[item setEnabled: wv->enabled];
/* Draw radio buttons and tickboxes */
if (wv->selected && (wv->button_type == BUTTON_TYPE_TOGGLE ||
wv->button_type == BUTTON_TYPE_RADIO))
[item setState: NSOnState];
else
[item setState: NSOffState];
[item setTag: (NSInteger)wv->call_data];
}
return item;
}
/* convenience */
-(void)clear
{
int n;
for (n = [self numberOfItems]-1; n >= 0; n--)
{
NSMenuItem *item = [self itemAtIndex: n];
NSString *title = [item title];
if (([title length] == 0 /* OSX 10.5 */
|| [ns_app_name isEqualToString: title] /* from 10.6 on */
|| [@"Apple" isEqualToString: title]) /* older */
&& ![item isSeparatorItem])
continue;
[self removeItemAtIndex: n];
}
}
- (void)fillWithWidgetValue: (void *)wvptr
{
widget_value *wv = (widget_value *)wvptr;
NSFont *menuFont = [NSFont menuFontOfSize:0];
NSDictionary *attributes =
[NSDictionary dictionaryWithObject:menuFont forKey:NSFontAttributeName];
NSSize spaceSize = [@" " sizeWithAttributes:attributes];
CGFloat maxTabStop = 0;
/* clear existing contents */
[self setMenuChangedMessagesEnabled: NO];
[self clear];
/* align key bindings
taken from Yamamoto Mitsuharu's AppKit port */
for (wv = (widget_value *)wvptr; wv != NULL; wv = wv->next)
if (!name_is_separator (wv->name) && wv->key)
{
NSString *itemName =
[NSString stringWithUTF8String:wv->name];
NSSize size = [[itemName stringByAppendingString:@"\t"]
sizeWithAttributes:attributes];
if (maxTabStop < size.width)
maxTabStop = size.width;
}
for (wv = (widget_value *)wvptr; wv != NULL; wv = wv->next)
{
if (!name_is_separator (wv->name) && wv->key)
{
NSString *itemName =
[NSString stringWithUTF8String:wv->name];
NSSize nameSize = [itemName sizeWithAttributes:attributes];
int name_len = strlen (wv->name);
int pad_len = ceil ((maxTabStop - nameSize.width) / spaceSize.width);
if (pad_len > 0)
{
Lisp_Object name;
name = make_uninit_string (name_len + pad_len);
strcpy (SDATA (name), wv->name);
memset (SDATA (name) + name_len, ' ', pad_len);
//name[name_len+pad_len] = '\0';
wv->name = SDATA (name);
}
}
/* add new contents */
NSMenuItem *item = [self addItemWithWidgetValue: wv];
if (wv->contents)
{
EmacsMenu *submenu = [[EmacsMenu alloc] initWithTitle: [item title]];
[self setSubmenu: submenu forItem: item];
[submenu fillWithWidgetValue: wv->contents];
[submenu release];
[item setAction: nil];
}
}
[self setMenuChangedMessagesEnabled: YES];
#ifdef NS_IMPL_GNUSTEP
if ([[self window] isVisible])
[self sizeToFit];
#else
if ([self supermenu] == nil)
[self sizeToFit];
#endif
}
/* adds an empty submenu and returns it */
- (EmacsMenu *)addSubmenuWithTitle: (char *)title forFrame: (struct frame *)f
{
if (! title) return nil;
NSString *titleStr = [NSString stringWithUTF8String: title];
if (! titleStr) return nil;
NSMenuItem *item = [self addItemWithTitle: titleStr
action: nil /*@selector (menuDown:) */
keyEquivalent: @""];
EmacsMenu *submenu = [[EmacsMenu alloc] initWithTitle: titleStr frame: f];
[self setSubmenu: submenu forItem: item];
[submenu release];
return submenu;
}
/* run a menu in popup mode */
- (Lisp_Object)runMenuAt: (NSPoint)p forFrame: (struct frame *)f
keymaps: (int)keymaps
{
EmacsView *view = FRAME_NS_VIEW (f);
/* p = [view convertPoint:p fromView: nil]; */
p.y = NSHeight ([view frame]) - p.y;
NSEvent *e = [[view window] currentEvent];
NSEvent *event = [NSEvent mouseEventWithType: NSRightMouseDown
location: p
modifierFlags: 0
timestamp: [e timestamp]
windowNumber: [[view window] windowNumber]
context: [e context]
eventNumber: 0/*[e eventNumber] */
clickCount: 1
pressure: 0];
long retVal;
context_menu_value = -1;
[NSMenu popUpContextMenu: self withEvent: event forView: view];
retVal = context_menu_value;
context_menu_value = 0;
return retVal > 0
? find_and_return_menu_selection (f, keymaps, (void *)retVal)
: Qnil;
}
@end /* EmacsMenu */
/* ==========================================================================
Context Menu: implementing functions
========================================================================== */
Lisp_Object
ns_menu_show (FRAME_PTR f, int x, int y, int for_click, int keymaps,
Lisp_Object title, char **error)
{
EmacsMenu *pmenu;
NSPoint p;
Lisp_Object window, tem, keymap;
int specpdl_count = SPECPDL_INDEX ();
widget_value *wv, *first_wv = 0;
p.x = x; p.y = y;
/* now parse stage 2 as in ns_update_menubar */
wv = xmalloc_widget_value ();
wv->name = "contextmenu";
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
wv->help = Qnil;
first_wv = wv;
#if 0
/* FIXME: a couple of one-line differences prevent reuse */
wv = digest_single_submenu (0, menu_items_used, Qnil);
#else
{
widget_value *save_wv = 0, *prev_wv = 0;
widget_value **submenu_stack
= (widget_value **) alloca (menu_items_used * sizeof (widget_value *));
/* Lisp_Object *subprefix_stack
= (Lisp_Object *) alloca (menu_items_used * sizeof (Lisp_Object)); */
int submenu_depth = 0;
int first_pane = 1;
int i;
/* Loop over all panes and items, filling in the tree. */
i = 0;
while (i < menu_items_used)
{
if (EQ (AREF (menu_items, i), Qnil))
{
submenu_stack[submenu_depth++] = save_wv;
save_wv = prev_wv;
prev_wv = 0;
first_pane = 1;
i++;
}
else if (EQ (AREF (menu_items, i), Qlambda))
{
prev_wv = save_wv;
save_wv = submenu_stack[--submenu_depth];
first_pane = 0;
i++;
}
else if (EQ (AREF (menu_items, i), Qt)
&& submenu_depth != 0)
i += MENU_ITEMS_PANE_LENGTH;
/* Ignore a nil in the item list.
It's meaningful only for dialog boxes. */
else if (EQ (AREF (menu_items, i), Qquote))
i += 1;
else if (EQ (AREF (menu_items, i), Qt))
{
/* Create a new pane. */
Lisp_Object pane_name, prefix;
char *pane_string;
pane_name = AREF (menu_items, i + MENU_ITEMS_PANE_NAME);
prefix = AREF (menu_items, i + MENU_ITEMS_PANE_PREFIX);
#ifndef HAVE_MULTILINGUAL_MENU
if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name))
{
pane_name = ENCODE_MENU_STRING (pane_name);
ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name);
}
#endif
pane_string = (NILP (pane_name)
? "" : (char *) SDATA (pane_name));
/* If there is just one top-level pane, put all its items directly
under the top-level menu. */
if (menu_items_n_panes == 1)
pane_string = "";
/* If the pane has a meaningful name,
make the pane a top-level menu item
with its items as a submenu beneath it. */
if (!keymaps && strcmp (pane_string, ""))
{
wv = xmalloc_widget_value ();
if (save_wv)
save_wv->next = wv;
else
first_wv->contents = wv;
wv->name = pane_string;
if (keymaps && !NILP (prefix))
wv->name++;
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
wv->help = Qnil;
save_wv = wv;
prev_wv = 0;
}
else if (first_pane)
{
save_wv = wv;
prev_wv = 0;
}
first_pane = 0;
i += MENU_ITEMS_PANE_LENGTH;
}
else
{
/* Create a new item within current pane. */
Lisp_Object item_name, enable, descrip, def, type, selected, help;
item_name = AREF (menu_items, i + MENU_ITEMS_ITEM_NAME);
enable = AREF (menu_items, i + MENU_ITEMS_ITEM_ENABLE);
descrip = AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY);
def = AREF (menu_items, i + MENU_ITEMS_ITEM_DEFINITION);
type = AREF (menu_items, i + MENU_ITEMS_ITEM_TYPE);
selected = AREF (menu_items, i + MENU_ITEMS_ITEM_SELECTED);
help = AREF (menu_items, i + MENU_ITEMS_ITEM_HELP);
#ifndef HAVE_MULTILINGUAL_MENU