the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-/* X pop-up deck-of-cards menu facility for gnuemacs.
+/* X pop-up deck-of-cards menu facility for GNU Emacs.
*
* Written by Jon Arnold and Roman Budzianowski
* Mods and rewrite by Robert Krawitz
#include <signal.h>
#include <stdio.h>
+
#include "lisp.h"
#include "termhooks.h"
#include "keyboard.h"
+#include "keymap.h"
#include "frame.h"
#include "window.h"
#include "blockinput.h"
#include "buffer.h"
+#include "charset.h"
+#include "coding.h"
#ifdef MSDOS
#include "msdos.h"
#endif /* not USE_X_TOOLKIT */
#endif /* HAVE_X_WINDOWS */
-#define min(x,y) (((x) < (y)) ? (x) : (y))
-#define max(x,y) (((x) > (y)) ? (x) : (y))
-
#ifndef TRUE
#define TRUE 1
#define FALSE 0
extern XtAppContext Xt_app_con;
static Lisp_Object xdialog_show ();
-void popup_get_selection ();
-#endif
+static void popup_get_selection ();
-#ifdef USE_X_TOOLKIT
-
-/* Define HAVE_BOXES if meus can handle radio and toggle buttons. */
+/* Define HAVE_BOXES if menus can handle radio and toggle buttons. */
#define HAVE_BOXES 1
#endif
int, int, int *));
static void list_of_panes P_ ((Lisp_Object));
static void list_of_items P_ ((Lisp_Object));
+
+extern EMACS_TIME timer_check P_ ((int));
\f
/* This holds a Lisp vector that holds the results of decoding
the keymaps or alist-of-alists that specify a menu.
static Lisp_Object menu_items;
+/* If non-nil, means that the global vars defined here are already in use.
+ Used to detect cases where we try to re-enter this non-reentrant code. */
+static Lisp_Object menu_items_inuse;
+
/* Number of slots currently allocated in menu_items. */
static int menu_items_allocated;
menu_items = Fmake_vector (make_number (menu_items_allocated), Qnil);
}
+ if (!NILP (menu_items_inuse))
+ error ("Trying to use a menu from within a menu-entry");
+ menu_items_inuse = Qt;
menu_items_used = 0;
menu_items_n_panes = 0;
menu_items_submenu_depth = 0;
}
-/* Call at the end of generating the data in menu_items.
- This fills in the number of items in the last pane. */
+/* Call at the end of generating the data in menu_items. */
static void
finish_menu_items ()
{
}
+static Lisp_Object
+unuse_menu_items (dummy)
+ int dummy;
+{
+ return menu_items_inuse = Qnil;
+}
+
/* Call when finished using the data for the current menu
in menu_items. */
menu_items = Qnil;
menu_items_allocated = 0;
}
+ xassert (NILP (menu_items_inuse));
}
/* Make the menu_items vector twice as large. */
XVECTOR (menu_items)->contents[menu_items_used++] = Qquote;
}
-/* Start a new menu pane in menu_items..
+/* Start a new menu pane in menu_items.
NAME is the pane name. PREFIX_VEC is a prefix key for this pane. */
static void
P is the number of panes we have made so far. */
for (mapno = 0; mapno < nmaps; mapno++)
single_keymap_panes (keymaps[mapno],
- map_prompt (keymaps[mapno]), Qnil, notreal, 10);
+ Fkeymap_prompt (keymaps[mapno]), Qnil, notreal, 10);
finish_menu_items ();
}
enabled = XVECTOR (item_properties)->contents[ITEM_PROPERTY_ENABLE];
item_string = XVECTOR (item_properties)->contents[ITEM_PROPERTY_NAME];
- if (!NILP (map) && XSTRING (item_string)->data[0] == '@')
+ if (!NILP (map) && SREF (item_string, 0) == '@')
{
if (!NILP (enabled))
/* An enabled separate pane. Remember this to handle it later. */
index++; /* Skip a left, right divider. */
else
{
- if (!submenu && XSTRING (tem)->data[0] != '\0'
- && XSTRING (tem)->data[0] != '-')
+ if (!submenu && SREF (tem, 0) != '\0'
+ && SREF (tem, 0) != '-')
XVECTOR (menu_items)->contents[index + MENU_ITEMS_ITEM_NAME]
= concat2 (build_string (" "), tem);
index += MENU_ITEMS_ITEM_LENGTH;
prefix = build_string (NILP (selected) ? "( ) " : "(*) ");
}
/* Not a button. If we have earlier buttons, then we need a prefix. */
- else if (!*notbuttons_ptr && XSTRING (item_string)->data[0] != '\0'
- && XSTRING (item_string)->data[0] != '-')
+ else if (!*notbuttons_ptr && SREF (item_string, 0) != '\0'
+ && SREF (item_string, 0) != '-')
prefix = build_string (" ");
if (!NILP (prefix))
Lisp_Object elt, pane_name, pane_data;
elt = Fcar (tail);
pane_name = Fcar (elt);
- CHECK_STRING (pane_name, 0);
+ CHECK_STRING (pane_name);
push_menu_pane (pane_name, Qnil);
pane_data = Fcdr (elt);
- CHECK_CONS (pane_data, 0);
+ CHECK_CONS (pane_data);
list_of_items (pane_data);
}
push_left_right_boundary ();
else
{
- CHECK_CONS (item, 0);
+ CHECK_CONS (item);
item1 = Fcar (item);
- CHECK_STRING (item1, 1);
+ CHECK_STRING (item1);
push_menu_item (item1, Qt, Fcdr (item), Qt, Qnil, Qnil, Qnil, Qnil);
}
}
}
\f
DEFUN ("x-popup-menu", Fx_popup_menu, Sx_popup_menu, 2, 2, 0,
- "Pop up a deck-of-cards menu and return user's selection.\n\
-POSITION is a position specification. This is either a mouse button event\n\
-or a list ((XOFFSET YOFFSET) WINDOW)\n\
-where XOFFSET and YOFFSET are positions in pixels from the top left\n\
-corner of WINDOW's frame. (WINDOW may be a frame object instead of a window.)\n\
-This controls the position of the center of the first line\n\
-in the first pane of the menu, not the top left of the menu as a whole.\n\
-If POSITION is t, it means to use the current mouse position.\n\
-\n\
-MENU is a specifier for a menu. For the simplest case, MENU is a keymap.\n\
-The menu items come from key bindings that have a menu string as well as\n\
-a definition; actually, the \"definition\" in such a key binding looks like\n\
-\(STRING . REAL-DEFINITION). To give the menu a title, put a string into\n\
-the keymap as a top-level element.\n\n\
-If REAL-DEFINITION is nil, that puts a nonselectable string in the menu.\n\
-Otherwise, REAL-DEFINITION should be a valid key binding definition.\n\
-\n\
-You can also use a list of keymaps as MENU.\n\
- Then each keymap makes a separate pane.\n\
-When MENU is a keymap or a list of keymaps, the return value\n\
-is a list of events.\n\n\
-\n\
-Alternatively, you can specify a menu of multiple panes\n\
- with a list of the form (TITLE PANE1 PANE2...),\n\
-where each pane is a list of form (TITLE ITEM1 ITEM2...).\n\
-Each ITEM is normally a cons cell (STRING . VALUE);\n\
-but a string can appear as an item--that makes a nonselectable line\n\
-in the menu.\n\
-With this form of menu, the return value is VALUE from the chosen item.\n\
-\n\
-If POSITION is nil, don't display the menu at all, just precalculate the\n\
-cached information about equivalent key sequences.")
- (position, menu)
+ doc: /* Pop up a deck-of-cards menu and return user's selection.
+POSITION is a position specification. This is either a mouse button event
+or a list ((XOFFSET YOFFSET) WINDOW)
+where XOFFSET and YOFFSET are positions in pixels from the top left
+corner of WINDOW's frame. (WINDOW may be a frame object instead of a window.)
+This controls the position of the center of the first line
+in the first pane of the menu, not the top left of the menu as a whole.
+If POSITION is t, it means to use the current mouse position.
+
+MENU is a specifier for a menu. For the simplest case, MENU is a keymap.
+The menu items come from key bindings that have a menu string as well as
+a definition; actually, the "definition" in such a key binding looks like
+\(STRING . REAL-DEFINITION). To give the menu a title, put a string into
+the keymap as a top-level element.
+
+If REAL-DEFINITION is nil, that puts a nonselectable string in the menu.
+Otherwise, REAL-DEFINITION should be a valid key binding definition.
+
+You can also use a list of keymaps as MENU.
+ Then each keymap makes a separate pane.
+When MENU is a keymap or a list of keymaps, the return value
+is a list of events.
+
+Alternatively, you can specify a menu of multiple panes
+ with a list of the form (TITLE PANE1 PANE2...),
+where each pane is a list of form (TITLE ITEM1 ITEM2...).
+Each ITEM is normally a cons cell (STRING . VALUE);
+but a string can appear as an item--that makes a nonselectable line
+in the menu.
+With this form of menu, the return value is VALUE from the chosen item.
+
+If POSITION is nil, don't display the menu at all, just precalculate the
+cached information about equivalent key sequences. */)
+ (position, menu)
Lisp_Object position, menu;
{
Lisp_Object keymap, tem;
Lisp_Object title;
char *error_name;
Lisp_Object selection;
- struct frame *f = NULL;
+ FRAME_PTR f = NULL;
Lisp_Object x, y, window;
int keymaps = 0;
int for_click = 0;
+ int specpdl_count = SPECPDL_INDEX ();
struct gcpro gcpro1;
#ifdef HAVE_MENUS
}
}
- CHECK_NUMBER (x, 0);
- CHECK_NUMBER (y, 0);
+ CHECK_NUMBER (x);
+ CHECK_NUMBER (y);
/* Decode where to put the menu. */
}
else if (WINDOWP (window))
{
- CHECK_LIVE_WINDOW (window, 0);
+ CHECK_LIVE_WINDOW (window);
f = XFRAME (WINDOW_FRAME (XWINDOW (window)));
- xpos = (FONT_WIDTH (f->output_data.x->font)
+ xpos = (FONT_WIDTH (FRAME_FONT (f))
* XFASTINT (XWINDOW (window)->left));
- ypos = (f->output_data.x->line_height
+ ypos = (FRAME_LINE_HEIGHT (f)
* XFASTINT (XWINDOW (window)->top));
}
else
/* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME,
but I don't want to make one now. */
- CHECK_WINDOW (window, 0);
+ CHECK_WINDOW (window);
xpos += XINT (x);
ypos += XINT (y);
-
- XSETFRAME (Vmenu_updating_frame, f);
}
Vmenu_updating_frame = Qnil;
#endif /* HAVE_MENUS */
+ record_unwind_protect (unuse_menu_items, Qnil);
title = Qnil;
GCPRO1 (title);
/* Search for a string appearing directly as an element of the keymap.
That string is the title of the menu. */
- prompt = map_prompt (keymap);
+ prompt = Fkeymap_prompt (keymap);
if (NILP (title) && !NILP (prompt))
title = prompt;
maps[i++] = keymap = get_keymap (Fcar (tem), 1, 0);
- prompt = map_prompt (keymap);
+ prompt = Fkeymap_prompt (keymap);
if (NILP (title) && !NILP (prompt))
title = prompt;
}
{
/* We were given an old-fashioned menu. */
title = Fcar (menu);
- CHECK_STRING (title, 1);
+ CHECK_STRING (title);
list_of_panes (Fcdr (menu));
keymaps = 0;
}
+ unbind_to (specpdl_count, Qnil);
+
if (NILP (position))
{
discard_menu_items ();
#ifdef HAVE_MENUS
DEFUN ("x-popup-dialog", Fx_popup_dialog, Sx_popup_dialog, 2, 2, 0,
- "Pop up a dialog box and return user's selection.\n\
-POSITION specifies which frame to use.\n\
-This is normally a mouse button event or a window or frame.\n\
-If POSITION is t, it means to use the frame the mouse is on.\n\
-The dialog box appears in the middle of the specified frame.\n\
-\n\
-CONTENTS specifies the alternatives to display in the dialog box.\n\
-It is a list of the form (TITLE ITEM1 ITEM2...).\n\
-Each ITEM is a cons cell (STRING . VALUE).\n\
-The return value is VALUE from the chosen item.\n\n\
-An ITEM may also be just a string--that makes a nonselectable item.\n\
-An ITEM may also be nil--that means to put all preceding items\n\
-on the left of the dialog box and all following items on the right.\n\
-\(By default, approximately half appear on each side.)")
- (position, contents)
+ doc: /* Pop up a dialog box and return user's selection.
+POSITION specifies which frame to use.
+This is normally a mouse button event or a window or frame.
+If POSITION is t, it means to use the frame the mouse is on.
+The dialog box appears in the middle of the specified frame.
+
+CONTENTS specifies the alternatives to display in the dialog box.
+It is a list of the form (TITLE ITEM1 ITEM2...).
+Each ITEM is a cons cell (STRING . VALUE).
+The return value is VALUE from the chosen item.
+
+An ITEM may also be just a string--that makes a nonselectable item.
+An ITEM may also be nil--that means to put all preceding items
+on the left of the dialog box and all following items on the right.
+\(By default, approximately half appear on each side.) */)
+ (position, contents)
Lisp_Object position, contents;
{
- struct frame * f = NULL;
+ FRAME_PTR f = NULL;
Lisp_Object window;
check_x ();
/* Use the mouse's current position. */
FRAME_PTR new_f = SELECTED_FRAME ();
Lisp_Object bar_window;
- int part;
+ enum scroll_bar_part part;
unsigned long time;
Lisp_Object x, y;
f = XFRAME (window);
else if (WINDOWP (window))
{
- CHECK_LIVE_WINDOW (window, 0);
+ CHECK_LIVE_WINDOW (window);
f = XFRAME (WINDOW_FRAME (XWINDOW (window)));
}
else
/* ??? Not really clean; should be CHECK_WINDOW_OR_FRAME,
but I don't want to make one now. */
- CHECK_WINDOW (window, 0);
+ CHECK_WINDOW (window);
#ifndef USE_X_TOOLKIT
/* Display a menu with these alternatives
Lisp_Object title;
char *error_name;
Lisp_Object selection;
+ int specpdl_count = SPECPDL_INDEX ();
/* Decode the dialog items from what was specified. */
title = Fcar (contents);
- CHECK_STRING (title, 1);
+ CHECK_STRING (title);
+ record_unwind_protect (unuse_menu_items, Qnil);
list_of_panes (Fcons (contents, Qnil));
selection = xdialog_show (f, 0, title, &error_name);
UNBLOCK_INPUT;
+ unbind_to (specpdl_count, Qnil);
discard_menu_items ();
if (error_name) error (error_name);
\f
#ifdef USE_X_TOOLKIT
+/* Define a queue to save up for later unreading
+ all X events that don't pertain to the menu. */
+struct event_queue
+ {
+ XEvent event;
+ struct event_queue *next;
+ };
+
+/* It is ok that this queue is a static variable,
+ because init_menu_items won't allow the menu mechanism
+ to be entered recursively. */
+static struct event_queue *popup_get_selection_queue;
+
+static Lisp_Object popup_get_selection_unwind ();
+
/* Loop in Xt until the menu pulldown or dialog popup has been
popped down (deactivated). This is used for x-popup-menu
- and x-popup-dialog; it is not used for the menu bar any more.
+ and x-popup-dialog; it is not used for the menu bar.
+
+ If DO_TIMERS is nonzero, run timers.
NOTE: All calls to popup_get_selection should be protected
with BLOCK_INPUT, UNBLOCK_INPUT wrappers. */
-void
-popup_get_selection (initial_event, dpyinfo, id)
+static void
+popup_get_selection (initial_event, dpyinfo, id, do_timers)
XEvent *initial_event;
struct x_display_info *dpyinfo;
LWLIB_ID id;
+ int do_timers;
{
XEvent event;
-
- /* Define a queue to save up for later unreading
- all X events that don't pertain to the menu. */
- struct event_queue
- {
- XEvent event;
- struct event_queue *next;
- };
-
- struct event_queue *queue = NULL;
struct event_queue *queue_tmp;
+ int count = SPECPDL_INDEX ();
+
+ popup_get_selection_queue = NULL;
+
+ record_unwind_protect (popup_get_selection_unwind, Qnil);
if (initial_event)
event = *initial_event;
{
queue_tmp = (struct event_queue *) xmalloc (sizeof *queue_tmp);
queue_tmp->event = event;
- queue_tmp->next = queue;
- queue = queue_tmp;
+ queue_tmp->next = popup_get_selection_queue;
+ popup_get_selection_queue = queue_tmp;
}
else
XtDispatchEvent (&event);
- if (!popup_activated ())
+ /* If the event deactivated the menu, we are finished. */
+ if (!popup_activated_flag)
break;
+
+ /* If we have no events to run, consider timers. */
+ if (do_timers && !XtAppPending (Xt_app_con))
+ timer_check (1);
+
XtAppNextEvent (Xt_app_con, &event);
}
- /* Unread any events that we got but did not handle. */
- while (queue != NULL)
+ unbind_to (count, Qnil);
+}
+
+/* Unread any events that popup_get_selection read but did not handle. */
+
+static Lisp_Object
+popup_get_selection_unwind (ignore)
+ Lisp_Object ignore;
+{
+ while (popup_get_selection_queue != NULL)
{
- queue_tmp = queue;
+ struct event_queue *queue_tmp;
+ queue_tmp = popup_get_selection_queue;
XPutBackEvent (queue_tmp->event.xany.display, &queue_tmp->event);
- queue = queue_tmp->next;
+ popup_get_selection_queue = queue_tmp->next;
xfree ((char *)queue_tmp);
/* Cause these events to get read as soon as we UNBLOCK_INPUT. */
interrupt_input_pending = 1;
/* 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.
+ MENU_BAR_ACTIVATE_EVENT out of the Emacs event queue.
To activate the menu bar, we use the X button-press event
that was saved in saved_menu_event.
set_frame_menubar (f, 0, 1);
BLOCK_INPUT;
- XtDispatchEvent ((XEvent *) f->output_data.x->saved_menu_event);
+ XtDispatchEvent (f->output_data.x->saved_menu_event);
UNBLOCK_INPUT;
#ifdef USE_MOTIF
if (f->output_data.x->saved_menu_event->type == ButtonRelease)
struct frame *f;
Lisp_Object frame, help;
- help = wv && wv->help ? build_string (wv->help) : Qnil;
+ help = wv ? wv->help : Qnil;
/* Determine the frame for the help event. */
f = menubar_id_to_frame (id);
UNBLOCK_INPUT;
}
\f
-/* Return a tree of widget_value structures for a menu bar item
+/* Set up data in menu_items for a menu bar item
whose event type is ITEM_KEY (with string ITEM_NAME)
and whose contents come from the list of keymaps MAPS. */
-static widget_value *
-single_submenu (item_key, item_name, maps)
+static int
+parse_single_submenu (item_key, item_name, maps)
Lisp_Object item_key, item_name, maps;
{
- widget_value *wv, *prev_wv, *save_wv, *first_wv;
- int i;
- int submenu_depth = 0;
Lisp_Object length;
int len;
Lisp_Object *mapvec;
- widget_value **submenu_stack;
- int previous_items = menu_items_used;
+ int i;
int top_level_items = 0;
length = Flength (maps);
maps = Fcdr (maps);
}
- menu_items_n_panes = 0;
-
/* Loop over the given keymaps, making a pane for each map.
But don't make a pane that is empty--ignore that map instead. */
for (i = 0; i < len; i++)
{
- if (SYMBOLP (mapvec[i])
- || (CONSP (mapvec[i]) && !KEYMAPP (mapvec[i])))
+ if (!KEYMAPP (mapvec[i]))
{
/* Here we have a command at top level in the menu bar
as opposed to a submenu. */
Qnil, Qnil, Qnil, Qnil);
}
else
- single_keymap_panes (mapvec[i], item_name, item_key, 0, 10);
+ {
+ Lisp_Object prompt;
+ prompt = Fkeymap_prompt (mapvec[i]);
+ single_keymap_panes (mapvec[i],
+ !NILP (prompt) ? prompt : item_name,
+ item_key, 0, 10);
+ }
}
- /* Create a tree of widget_value objects
- representing the panes and their items. */
+ return top_level_items;
+}
+
+/* Create a tree of widget_value objects
+ representing the panes and items
+ in menu_items starting at index START, up to index END. */
+
+static widget_value *
+digest_single_submenu (start, end, top_level_items)
+ int start, end, top_level_items;
+{
+ widget_value *wv, *prev_wv, *save_wv, *first_wv;
+ int i;
+ int submenu_depth = 0;
+ widget_value **submenu_stack;
submenu_stack
= (widget_value **) alloca (menu_items_used * sizeof (widget_value *));
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
+ wv->help = Qnil;
first_wv = wv;
save_wv = 0;
prev_wv = 0;
- /* Loop over all panes and items made during this call
- and construct a tree of widget_value objects.
- Ignore the panes and items made by previous calls to
- single_submenu, even though those are also in menu_items. */
- i = previous_items;
- while (i < menu_items_used)
+ /* Loop over all panes and items made by the preceding call
+ to parse_single_submenu and construct a tree of widget_value objects.
+ Ignore the panes and items used by previous calls to
+ digest_single_submenu, even though those are also in menu_items. */
+ i = start;
+ while (i < end)
{
if (EQ (XVECTOR (menu_items)->contents[i], Qnil))
{
#ifndef HAVE_MULTILINGUAL_MENU
if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name))
{
- pane_name = string_make_unibyte (pane_name);
+ pane_name = ENCODE_SYSTEM (pane_name);
AREF (menu_items, i + MENU_ITEMS_PANE_NAME) = pane_name;
}
#endif
pane_string = (NILP (pane_name)
- ? "" : (char *) XSTRING (pane_name)->data);
+ ? "" : (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)
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
+ wv->help = Qnil;
}
save_wv = wv;
prev_wv = 0;
#ifndef HAVE_MULTILINGUAL_MENU
if (STRING_MULTIBYTE (item_name))
{
- item_name = string_make_unibyte (item_name);
+ item_name = ENCODE_SYSTEM (item_name);
AREF (menu_items, i + MENU_ITEMS_ITEM_NAME) = item_name;
}
if (STRINGP (descrip) && STRING_MULTIBYTE (descrip))
{
- descrip = string_make_unibyte (descrip);
+ descrip = ENCODE_SYSTEM (descrip);
AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY) = descrip;
}
#endif /* not HAVE_MULTILINGUAL_MENU */
else
save_wv->contents = wv;
- wv->name = (char *) XSTRING (item_name)->data;
+ wv->name = (char *) SDATA (item_name);
if (!NILP (descrip))
- wv->key = (char *) XSTRING (descrip)->data;
+ wv->key = (char *) SDATA (descrip);
wv->value = 0;
/* The EMACS_INT cast avoids a warning. There's no problem
as long as pointers have enough bits to hold small integers. */
abort ();
wv->selected = !NILP (selected);
- if (STRINGP (help))
- wv->help = XSTRING (help)->data;
-
+ if (! STRINGP (help))
+ help = Qnil;
+
+ wv->help = help;
+
prev_wv = wv;
i += MENU_ITEMS_ITEM_LENGTH;
return first_wv;
}
-
-
\f
/* Recompute all the widgets of frame F, when the menu bar has been
changed. Value is non-zero if widgets were updated. */
Widget menubar_widget = f->output_data.x->menubar_widget;
Lisp_Object items;
widget_value *wv, *first_wv, *prev_wv = 0;
- int i;
+ int i, last_i;
+ int *submenu_start, *submenu_end;
+ int *submenu_top_level_items, *submenu_n_panes;
+
LWLIB_ID id;
XSETFRAME (Vmenu_updating_frame, f);
f->output_data.x->saved_menu_event->type = 0;
}
- wv = xmalloc_widget_value ();
- wv->name = "menubar";
- wv->value = 0;
- wv->enabled = 1;
- wv->button_type = BUTTON_TYPE_NONE;
- first_wv = wv;
-
if (deep_p)
{
/* Make a widget-value tree representing the entire menu trees. */
struct buffer *prev = current_buffer;
Lisp_Object buffer;
- int specpdl_count = specpdl_ptr - specpdl;
+ 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
specbind (Qdebug_on_next_call, Qnil);
record_unwind_protect (Fset_match_data, Fmatch_data (Qnil, Qnil));
+ record_unwind_protect (unuse_menu_items, Qnil);
if (NILP (Voverriding_local_map_menu_flag))
{
specbind (Qoverriding_terminal_local_map, Qnil);
items = FRAME_MENU_BAR_ITEMS (f);
- inhibit_garbage_collection ();
-
/* Save the frame's previous menu bar contents data. */
- bcopy (XVECTOR (f->menu_bar_vector)->contents, previous_items,
- previous_menu_items_used * sizeof (Lisp_Object));
+ if (previous_menu_items_used)
+ bcopy (XVECTOR (f->menu_bar_vector)->contents, previous_items,
+ previous_menu_items_used * sizeof (Lisp_Object));
- /* Fill in the current menu bar contents. */
+ /* Fill in menu_items with the current menu bar contents.
+ This can evaluate Lisp code. */
menu_items = f->menu_bar_vector;
- menu_items_allocated = XVECTOR (menu_items)->size;
+ menu_items_allocated = VECTORP (menu_items) ? ASIZE (menu_items) : 0;
+ submenu_start = (int *) alloca (XVECTOR (items)->size * sizeof (int *));
+ submenu_end = (int *) alloca (XVECTOR (items)->size * sizeof (int *));
+ submenu_n_panes = (int *) alloca (XVECTOR (items)->size * sizeof (int));
+ submenu_top_level_items
+ = (int *) alloca (XVECTOR (items)->size * sizeof (int *));
init_menu_items ();
for (i = 0; i < XVECTOR (items)->size; i += 4)
{
Lisp_Object key, string, maps;
+ last_i = i;
+
key = XVECTOR (items)->contents[i];
string = XVECTOR (items)->contents[i + 1];
maps = XVECTOR (items)->contents[i + 2];
if (NILP (string))
break;
- wv = single_submenu (key, string, maps);
+ 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;
+ }
+
+ finish_menu_items ();
+
+ /* Convert menu_items into widget_value trees
+ to display the menu. This cannot evaluate Lisp code. */
+
+ 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 < last_i; 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
prev_wv = wv;
}
- finish_menu_items ();
-
set_buffer_internal_1 (prev);
unbind_to (specpdl_count, Qnil);
if (i == menu_items_used && i == previous_menu_items_used && i != 0)
{
free_menubar_widget_value_tree (first_wv);
- menu_items = Qnil;
+ discard_menu_items ();
return;
}
string = XVECTOR (items)->contents[i + 1];
if (NILP (string))
break;
- wv->name = (char *) XSTRING (string)->data;
+ wv->name = (char *) SDATA (string);
wv = wv->next;
}
f->menu_bar_vector = menu_items;
f->menu_bar_items_used = menu_items_used;
- menu_items = Qnil;
+ discard_menu_items ();
}
else
{
/* Make a widget-value tree containing
just the top level menu bar strings. */
+ 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;
+
items = FRAME_MENU_BAR_ITEMS (f);
for (i = 0; i < XVECTOR (items)->size; i += 4)
{
break;
wv = xmalloc_widget_value ();
- wv->name = (char *) XSTRING (string)->data;
+ wv->name = (char *) SDATA (string);
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
+ wv->help = Qnil;
/* This prevents lwlib from assuming this
menu item is really supposed to be empty. */
/* The EMACS_INT cast avoids a warning.
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
+ wv->help =Qnil;
first_wv = wv;
first_pane = 1;
#ifndef HAVE_MULTILINGUAL_MENU
if (STRINGP (pane_name) && STRING_MULTIBYTE (pane_name))
{
- pane_name = string_make_unibyte (pane_name);
+ pane_name = ENCODE_SYSTEM (pane_name);
AREF (menu_items, i + MENU_ITEMS_PANE_NAME) = pane_name;
}
#endif
pane_string = (NILP (pane_name)
- ? "" : (char *) XSTRING (pane_name)->data);
+ ? "" : (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)
wv->value = 0;
wv->enabled = 1;
wv->button_type = BUTTON_TYPE_NONE;
+ wv->help = Qnil;
save_wv = wv;
prev_wv = 0;
}
#ifndef HAVE_MULTILINGUAL_MENU
if (STRINGP (item_name) && STRING_MULTIBYTE (item_name))
{
- item_name = string_make_unibyte (item_name);
+ item_name = ENCODE_SYSTEM (item_name);
AREF (menu_items, i + MENU_ITEMS_ITEM_NAME) = item_name;
}
if (STRINGP (descrip) && STRING_MULTIBYTE (descrip))
{
- descrip = string_make_unibyte (descrip);
+ descrip = ENCODE_SYSTEM (descrip);
AREF (menu_items, i + MENU_ITEMS_ITEM_EQUIV_KEY) = descrip;
}
#endif /* not HAVE_MULTILINGUAL_MENU */
prev_wv->next = wv;
else
save_wv->contents = wv;
- wv->name = (char *) XSTRING (item_name)->data;
+ wv->name = (char *) SDATA (item_name);
if (!NILP (descrip))
- wv->key = (char *) XSTRING (descrip)->data;
+ wv->key = (char *) SDATA (descrip);
wv->value = 0;
/* If this item has a null value,
make the call_data null so that it won't display a box
abort ();
wv->selected = !NILP (selected);
- if (STRINGP (help))
- wv->help = XSTRING (help)->data;
-
+
+ if (! STRINGP (help))
+ help = Qnil;
+
+ wv->help = help;
+
prev_wv = wv;
i += MENU_ITEMS_ITEM_LENGTH;
wv_sep2->name = "--";
wv_sep2->next = first_wv->contents;
+ wv_sep2->help = Qnil;
wv_sep1->name = "--";
wv_sep1->next = wv_sep2;
+ wv_sep1->help = Qnil;
#ifndef HAVE_MULTILINGUAL_MENU
if (STRING_MULTIBYTE (title))
- title = string_make_unibyte (title);
+ title = ENCODE_SYSTEM (title);
#endif
- wv_title->name = (char *) XSTRING (title)->data;
- wv_title->enabled = True;
+ wv_title->name = (char *) SDATA (title);
+ wv_title->enabled = TRUE;
wv_title->button_type = BUTTON_TYPE_NONE;
wv_title->next = wv_sep1;
+ wv_title->help = Qnil;
first_wv->contents = wv_title;
}
popup_activated_flag = 1;
/* Process events that apply to the menu. */
- popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id);
+ popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), menu_id, 0);
/* fp turned off the following statement and wrote a comment
that it is unnecessary--that the menu has already disappeared.
popup_activated_flag = 0;
}
+/* ARG is the LWLIB ID of the dialog box, represented
+ as a Lisp object as (HIGHPART . LOWPART). */
+
+Lisp_Object
+xdialog_show_unwind (arg)
+ Lisp_Object arg;
+{
+ LWLIB_ID id = (XINT (XCAR (arg)) << 4 * sizeof (LWLIB_ID)
+ | XINT (XCDR (arg)));
+ BLOCK_INPUT;
+ lw_destroy_all_widgets (id);
+ UNBLOCK_INPUT;
+ popup_activated_flag = 0;
+ return Qnil;
+}
+
static char * button_names [] = {
"button1", "button2", "button3", "button4", "button5",
"button6", "button7", "button8", "button9", "button10" };
{
int i, nb_buttons=0;
LWLIB_ID dialog_id;
- Widget menu;
char dialog_name[6];
widget_value *wv, *first_wv = 0, *prev_wv = 0;
pane_name = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME];
prefix = XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_PREFIX];
pane_string = (NILP (pane_name)
- ? "" : (char *) XSTRING (pane_name)->data);
+ ? "" : (char *) SDATA (pane_name));
prev_wv = xmalloc_widget_value ();
prev_wv->value = pane_string;
if (keymaps && !NILP (prefix))
prev_wv->name++;
prev_wv->enabled = 1;
prev_wv->name = "message";
+ prev_wv->help = Qnil;
first_wv = prev_wv;
/* Loop over all panes and items, filling in the tree. */
prev_wv->next = wv;
wv->name = (char *) button_names[nb_buttons];
if (!NILP (descrip))
- wv->key = (char *) XSTRING (descrip)->data;
- wv->value = (char *) XSTRING (item_name)->data;
+ wv->key = (char *) SDATA (descrip);
+ wv->value = (char *) SDATA (item_name);
wv->call_data = (void *) &XVECTOR (menu_items)->contents[i];
wv->enabled = !NILP (enable);
+ wv->help = Qnil;
prev_wv = wv;
if (! boundary_seen)
wv = xmalloc_widget_value ();
wv->name = dialog_name;
-
+ wv->help = Qnil;
/* Dialog boxes use a really stupid name encoding
which specifies how many buttons to use
and how many buttons are on the right.
/* Actually create the dialog. */
dialog_id = widget_id_tick++;
- menu = lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv,
- f->output_data.x->widget, 1, 0,
- dialog_selection_callback, 0, 0);
+ lw_create_widget (first_wv->name, "dialog", dialog_id, first_wv,
+ f->output_data.x->widget, 1, 0,
+ dialog_selection_callback, 0, 0);
lw_modify_all_widgets (dialog_id, first_wv->contents, True);
/* Free the widget_value objects we used to specify the contents. */
free_menubar_widget_value_tree (first_wv);
/* No selection has been chosen yet. */
menu_item_selection = 0;
- /* Display the menu. */
+ /* Display the dialog box. */
lw_pop_up_all_widgets (dialog_id);
popup_activated_flag = 1;
- /* Process events that apply to the menu. */
- popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), dialog_id);
+ /* Process events that apply to the dialog box.
+ Also handle timers. */
+ {
+ int count = SPECPDL_INDEX ();
- lw_destroy_all_widgets (dialog_id);
+ /* xdialog_show_unwind is responsible for popping the dialog box down. */
+ record_unwind_protect (xdialog_show_unwind,
+ Fcons (make_number (dialog_id >> (4 * sizeof (LWLIB_ID))),
+ make_number (dialog_id & ~(-1 << (4 * sizeof (LWLIB_ID))))));
- /* Find the selected item, and its pane, to return
- the proper value. */
+ popup_get_selection ((XEvent *) 0, FRAME_X_DISPLAY_INFO (f), dialog_id, 1);
+
+ unbind_to (count, Qnil);
+ }
+
+ /* Find the selected item and pane, and return the corresponding value. */
if (menu_item_selection != 0)
{
Lisp_Object prefix;
pane_name = first_item[MENU_ITEMS_PANE_NAME];
else if (EQ (first_item[0], Qquote))
/* This shouldn't happen, see xmenu_show. */
- pane_name = build_string ("");
+ pane_name = empty_string;
else
pane_name = first_item[MENU_ITEMS_ITEM_NAME];
pane_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_NAME];
prefix = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX];
pane_string = (NILP (pane_name)
- ? "" : (char *) XSTRING (pane_name)->data);
+ ? "" : (char *) SDATA (pane_name));
if (keymaps && !NILP (prefix))
pane_string++;
j++;
continue;
}
- width = STRING_BYTES (XSTRING (item));
+ width = SBYTES (item);
if (width > maxwidth)
maxwidth = width;
descrip
= XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_EQUIV_KEY];
help = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_HELP];
- help_string = STRINGP (help) ? XSTRING (help)->data : NULL;
+ help_string = STRINGP (help) ? SDATA (help) : NULL;
if (!NILP (descrip))
{
- int gap = maxwidth - STRING_BYTES (XSTRING (item_name));
+ int gap = maxwidth - SBYTES (item_name);
#ifdef C_ALLOCA
Lisp_Object spacer;
spacer = Fmake_string (make_number (gap), make_number (' '));
item_name = concat2 (item_name, spacer);
item_name = concat2 (item_name, descrip);
- item_data = XSTRING (item_name)->data;
+ item_data = SDATA (item_name);
#else
/* if alloca is fast, use that to make the space,
to reduce gc needs. */
item_data
= (unsigned char *) alloca (maxwidth
- + STRING_BYTES (XSTRING (descrip)) + 1);
- bcopy (XSTRING (item_name)->data, item_data,
- STRING_BYTES (XSTRING (item_name)));
- for (j = XSTRING (item_name)->size; j < maxwidth; j++)
+ + SBYTES (descrip) + 1);
+ bcopy (SDATA (item_name), item_data,
+ SBYTES (item_name));
+ for (j = SCHARS (item_name); j < maxwidth; j++)
item_data[j] = ' ';
- bcopy (XSTRING (descrip)->data, item_data + j,
- STRING_BYTES (XSTRING (descrip)));
- item_data[j + STRING_BYTES (XSTRING (descrip))] = 0;
+ bcopy (SDATA (descrip), item_data + j,
+ SBYTES (descrip));
+ item_data[j + SBYTES (descrip)] = 0;
#endif
}
else
- item_data = XSTRING (item_name)->data;
+ item_data = SDATA (item_name);
if (XMenuAddSelection (FRAME_X_DISPLAY (f),
menu, lpane, 0, item_data,
{
staticpro (&menu_items);
menu_items = Qnil;
+ menu_items_inuse = Qnil;
Qdebug_on_next_call = intern ("debug-on-next-call");
staticpro (&Qdebug_on_next_call);
DEFVAR_LISP ("menu-updating-frame", &Vmenu_updating_frame,
- "Frame for which we are updating a menu.\n\
-The enable predicate for a menu command should check this variable.");
+ doc: /* Frame for which we are updating a menu.
+The enable predicate for a menu command should check this variable. */);
Vmenu_updating_frame = Qnil;
#ifdef USE_X_TOOLKIT
HCoop / bpt / emacs.git / blobdiff