/* X Communication module for terminals which understand the X protocol.
- Copyright (C) 1986, 88, 93, 94, 96, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1986, 88, 93, 94, 96, 99, 2000 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <stdio.h>
#include "lisp.h"
#include "termhooks.h"
+#include "keyboard.h"
#include "frame.h"
#include "window.h"
-#include "keyboard.h"
#include "blockinput.h"
#include "buffer.h"
static void push_menu_item P_ ((Lisp_Object, Lisp_Object, Lisp_Object,
Lisp_Object, Lisp_Object, Lisp_Object,
- Lisp_Object));
+ Lisp_Object, Lisp_Object));
static Lisp_Object xmenu_show ();
static void keymap_panes ();
static void single_keymap_panes ();
#define MENU_ITEMS_PANE_PREFIX 2
#define MENU_ITEMS_PANE_LENGTH 3
-#define MENU_ITEMS_ITEM_NAME 0
-#define MENU_ITEMS_ITEM_ENABLE 1
-#define MENU_ITEMS_ITEM_VALUE 2
-#define MENU_ITEMS_ITEM_EQUIV_KEY 3
-#define MENU_ITEMS_ITEM_DEFINITION 4
-#define MENU_ITEMS_ITEM_TYPE 5
-#define MENU_ITEMS_ITEM_SELECTED 6
-#define MENU_ITEMS_ITEM_LENGTH 7
+enum menu_item_idx
+{
+ MENU_ITEMS_ITEM_NAME = 0,
+ MENU_ITEMS_ITEM_ENABLE,
+ MENU_ITEMS_ITEM_VALUE,
+ MENU_ITEMS_ITEM_EQUIV_KEY,
+ MENU_ITEMS_ITEM_DEFINITION,
+ MENU_ITEMS_ITEM_TYPE,
+ MENU_ITEMS_ITEM_SELECTED,
+ MENU_ITEMS_ITEM_HELP,
+ MENU_ITEMS_ITEM_LENGTH
+};
static Lisp_Object menu_items;
/* Flag which when set indicates a dialog or menu has been posted by
Xt on behalf of one of the widget sets. */
-static int popup_activated_flag;
+int popup_activated_flag;
static int next_menubar_widget_id;
item, one of nil, `toggle' or `radio'. */
static void
-push_menu_item (name, enable, key, def, equiv, type, selected)
- Lisp_Object name, enable, key, def, equiv, type, selected;
+push_menu_item (name, enable, key, def, equiv, type, selected, help)
+ Lisp_Object name, enable, key, def, equiv, type, selected, help;
{
if (menu_items_used + MENU_ITEMS_ITEM_LENGTH > menu_items_allocated)
grow_menu_items ();
XVECTOR (menu_items)->contents[menu_items_used++] = def;
XVECTOR (menu_items)->contents[menu_items_used++] = type;
XVECTOR (menu_items)->contents[menu_items_used++] = selected;
+ XVECTOR (menu_items)->contents[menu_items_used++] = help;
}
\f
/* Look through KEYMAPS, a vector of keymaps that is NMAPS long,
But don't make a pane that is empty--ignore that map instead.
P is the number of panes we have made so far. */
for (mapno = 0; mapno < nmaps; mapno++)
- single_keymap_panes (keymaps[mapno], Qnil, Qnil, notreal, 10);
+ single_keymap_panes (keymaps[mapno],
+ map_prompt (keymaps[mapno]), Qnil, notreal, 10);
finish_menu_items ();
}
XVECTOR (item_properties)->contents[ITEM_PROPERTY_DEF],
XVECTOR (item_properties)->contents[ITEM_PROPERTY_KEYEQ],
XVECTOR (item_properties)->contents[ITEM_PROPERTY_TYPE],
- XVECTOR (item_properties)->contents[ITEM_PROPERTY_SELECTED]);
+ XVECTOR (item_properties)->contents[ITEM_PROPERTY_SELECTED],
+ XVECTOR (item_properties)->contents[ITEM_PROPERTY_HELP]);
#ifdef USE_X_TOOLKIT
/* Display a submenu using the toolkit. */
{
item = Fcar (tail);
if (STRINGP (item))
- push_menu_item (item, Qnil, Qnil, Qt, Qnil, Qnil, Qnil);
+ push_menu_item (item, Qnil, Qnil, Qt, Qnil, Qnil, Qnil, Qnil);
else if (NILP (item))
push_left_right_boundary ();
else
CHECK_CONS (item, 0);
item1 = Fcar (item);
CHECK_STRING (item1, 1);
- push_menu_item (item1, Qt, Fcdr (item), Qt, Qnil, Qnil, Qnil);
+ push_menu_item (item1, Qt, Fcdr (item), Qt, Qnil, Qnil, Qnil, Qnil);
}
}
}
Lisp_Object position, menu;
{
Lisp_Object keymap, tem;
- int xpos, ypos;
+ int xpos = 0, ypos = 0;
Lisp_Object title;
char *error_name;
Lisp_Object selection;
- FRAME_PTR f;
+ struct frame *f = NULL;
Lisp_Object x, y, window;
int keymaps = 0;
int for_click = 0;
/* Decode the first argument: find the window and the coordinates. */
if (EQ (position, Qt)
- || (CONSP (position) && EQ (XCAR (position), Qmenu_bar)))
+ || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar)
+ || EQ (XCAR (position), Qtool_bar))))
{
/* Use the mouse's current position. */
FRAME_PTR new_f = SELECTED_FRAME ();
/* Decode the menu items from what was specified. */
- keymap = Fkeymapp (menu);
- tem = Qnil;
- if (CONSP (menu))
- tem = Fkeymapp (Fcar (menu));
- if (!NILP (keymap))
+ keymap = get_keymap (menu, 0, 0);
+ if (CONSP (keymap))
{
/* We were given a keymap. Extract menu info from the keymap. */
Lisp_Object prompt;
- keymap = get_keymap (menu);
/* Extract the detailed info to make one pane. */
keymap_panes (&menu, 1, NILP (position));
keymaps = 1;
}
- else if (!NILP (tem))
+ else if (CONSP (menu) && KEYMAPP (XCAR (menu)))
{
/* We were given a list of keymaps. */
int nmaps = XFASTINT (Flength (menu));
{
Lisp_Object prompt;
- maps[i++] = keymap = get_keymap (Fcar (tem));
+ maps[i++] = keymap = get_keymap (Fcar (tem), 1, 0);
prompt = map_prompt (keymap);
if (NILP (title) && !NILP (prompt))
(position, contents)
Lisp_Object position, contents;
{
- FRAME_PTR f;
+ struct frame * f = NULL;
Lisp_Object window;
check_x ();
/* Decode the first argument: find the window or frame to use. */
if (EQ (position, Qt)
- || (CONSP (position) && EQ (XCAR (position), Qmenu_bar)))
+ || (CONSP (position) && (EQ (XCAR (position), Qmenu_bar)
+ || EQ (XCAR (position), Qtool_bar))))
{
#if 0 /* Using the frame the mouse is on may not be right. */
/* Use the mouse's current position. */
&& (event.xany.display != dpyinfo->display
|| x_non_menubar_window_to_frame (dpyinfo, event.xany.window)))
{
- queue_tmp = (struct event_queue *) malloc (sizeof (struct event_queue));
-
- if (queue_tmp != NULL)
- {
- queue_tmp->event = event;
- queue_tmp->next = queue;
- queue = queue_tmp;
- }
+ queue_tmp = (struct event_queue *) xmalloc (sizeof *queue_tmp);
+ queue_tmp->event = event;
+ queue_tmp->next = queue;
+ queue = queue_tmp;
}
else
XtDispatchEvent (&event);
queue_tmp = queue;
XPutBackEvent (queue_tmp->event.xany.display, &queue_tmp->event);
queue = queue_tmp->next;
- free ((char *)queue_tmp);
+ xfree ((char *)queue_tmp);
/* Cause these events to get read as soon as we UNBLOCK_INPUT. */
interrupt_input_pending = 1;
}
return popup_activated_flag;
}
-
/* This callback is invoked when the user selects a menubar cascade
pushbutton, but before the pulldown menu is posted. */
LWLIB_ID id;
XtPointer client_data;
{
+#ifdef USE_MOTIF
+ ++popup_activated_flag;
+#else
popup_activated_flag = 1;
+#endif
+}
+
+/* This callback is invoked when a dialog or menu is finished being
+ used and has been unposted. */
+
+static void
+popup_deactivate_callback (widget, id, client_data)
+ Widget widget;
+ LWLIB_ID id;
+ XtPointer client_data;
+{
+#ifdef USE_MOTIF
+ --popup_activated_flag;
+#else
+ popup_activated_flag = 0;
+#endif
+}
+
+/* Lwlib callback called when menu items are highlighted/unhighlighted
+ while moving the mouse over them. WIDGET is the menu bar or menu
+ popup widget. ID is its LWLIB_ID. CALL_DATA contains a pointer to
+ the widget_value structure for the menu item, or null in case of
+ unhighlighting. */
+
+void
+menu_highlight_callback (widget, id, call_data)
+ Widget widget;
+ LWLIB_ID id;
+ void *call_data;
+{
+ widget_value *wv = (widget_value *) call_data;
+ struct frame *f;
+ Lisp_Object frame, help;
+
+ help = wv && wv->help ? build_string (wv->help) : Qnil;
+
+ /* Determine the frame for the help event. */
+ f = menubar_id_to_frame (id);
+ if (f)
+ {
+ XSETFRAME (frame, f);
+ kbd_buffer_store_help_event (frame, help);
+ }
+ else
+ {
+ /* WIDGET is the popup menu. It's parent is the frame's
+ widget. See which frame that is. */
+ Widget frame_widget = XtParent (widget);
+ Lisp_Object tail;
+
+ for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail))
+ {
+ frame = XCAR (tail);
+ if (GC_FRAMEP (frame)
+ && (f = XFRAME (frame),
+ FRAME_X_P (f) && f->output_data.x->widget == frame_widget))
+ break;
+ }
+
+ show_help_echo (help, Qnil, Qnil, Qnil, 1);
+ }
}
/* This callback is called from the menu bar pulldown menu
if (!f)
return;
+ entry = Qnil;
subprefix_stack = (Lisp_Object *) alloca (f->menu_bar_items_used * sizeof (Lisp_Object));
vector = f->menu_bar_vector;
prefix = Qnil;
Lisp_Object frame;
XSETFRAME (frame, f);
- buf.kind = menu_bar_event;
- buf.frame_or_window = Fcons (frame, Fcons (Qmenu_bar, Qnil));
+ buf.kind = MENU_BAR_EVENT;
+ buf.frame_or_window = frame;
+ buf.arg = frame;
kbd_buffer_store_event (&buf);
for (j = 0; j < submenu_depth; j++)
if (!NILP (subprefix_stack[j]))
{
- buf.kind = menu_bar_event;
- buf.frame_or_window = Fcons (frame, subprefix_stack[j]);
+ buf.kind = MENU_BAR_EVENT;
+ buf.frame_or_window = frame;
+ buf.arg = subprefix_stack[j];
kbd_buffer_store_event (&buf);
}
if (!NILP (prefix))
{
- buf.kind = menu_bar_event;
- buf.frame_or_window = Fcons (frame, prefix);
+ buf.kind = MENU_BAR_EVENT;
+ buf.frame_or_window = frame;
+ buf.arg = prefix;
kbd_buffer_store_event (&buf);
}
- buf.kind = menu_bar_event;
- buf.frame_or_window = Fcons (frame, entry);
+ buf.kind = MENU_BAR_EVENT;
+ buf.frame_or_window = frame;
+ buf.arg = entry;
kbd_buffer_store_event (&buf);
return;
}
}
-/* This callback is invoked when a dialog or menu is finished being
- used and has been unposted. */
-
-static void
-popup_deactivate_callback (widget, id, client_data)
- Widget widget;
- LWLIB_ID id;
- XtPointer client_data;
-{
- popup_activated_flag = 0;
-}
-
/* Allocate a widget_value, blocking input. */
widget_value *
for (i = 0; i < len; i++)
{
if (SYMBOLP (mapvec[i])
- || (CONSP (mapvec[i])
- && NILP (Fkeymapp (mapvec[i]))))
+ || (CONSP (mapvec[i]) && !KEYMAPP (mapvec[i])))
{
/* Here we have a command at top level in the menu bar
as opposed to a submenu. */
top_level_items = 1;
push_menu_pane (Qnil, Qnil);
- push_menu_item (item_name, Qt, item_key, mapvec[i], Qnil, Qnil, Qnil);
+ push_menu_item (item_name, Qt, item_key, mapvec[i],
+ Qnil, Qnil, Qnil, Qnil);
}
else
single_keymap_panes (mapvec[i], item_name, item_key, 0, 10);
{
/* Create a new item within current pane. */
Lisp_Object item_name, enable, descrip, def, type, selected;
+ Lisp_Object help;
+
item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME];
enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE];
descrip
def = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_DEFINITION];
type = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_TYPE];
selected = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_SELECTED];
+ help = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_HELP];
#ifndef HAVE_MULTILINGUAL_MENU
if (STRING_MULTIBYTE (item_name))
abort ();
wv->selected = !NILP (selected);
+ if (STRINGP (help))
+ wv->help = XSTRING (help)->data;
prev_wv = wv;
{
XtManageChild (x->menubar_widget);
XtMapWidget (x->menubar_widget);
- XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, 0);
+ XtVaSetValues (x->menubar_widget, XtNmappedWhenManaged, 1, NULL);
}
/* Re-manage the text-area widget, and then thrash the sizes. */
0,
popup_activate_callback,
menubar_selection_callback,
- popup_deactivate_callback);
+ popup_deactivate_callback,
+ menu_highlight_callback);
f->output_data.x->menubar_widget = menubar_widget;
}
next_menubar_widget_id. */
LWLIB_ID widget_id_tick;
-#ifdef __STDC__
static Lisp_Object *volatile menu_item_selection;
-#else
-static Lisp_Object *menu_item_selection;
-#endif
static void
popup_selection_callback (widget, id, client_data)
else
{
/* Create a new item within current pane. */
- Lisp_Object item_name, enable, descrip, def, type, selected;
+ Lisp_Object item_name, enable, descrip, def, type, selected, help;
item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME];
enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE];
descrip
def = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_DEFINITION];
type = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_TYPE];
selected = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_SELECTED];
+ help = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_HELP];
#ifndef HAVE_MULTILINGUAL_MENU
if (STRINGP (item_name) && STRING_MULTIBYTE (item_name))
abort ();
wv->selected = !NILP (selected);
+ if (STRINGP (help))
+ wv->help = XSTRING (help)->data;
prev_wv = wv;
menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv,
f->output_data.x->widget, 1, 0,
popup_selection_callback,
- popup_deactivate_callback);
+ popup_deactivate_callback,
+ menu_highlight_callback);
/* Adjust coordinates to relative to the outer (window manager) window. */
{
/* Free the widget_value objects we used to specify the contents. */
free_menubar_widget_value_tree (first_wv);
+ /* Override any default settings with ones from the `menu' face. */
+ x_set_menu_resources_from_menu_face (f, menu);
+
/* No selection has been chosen yet. */
menu_item_selection = 0;
/* Display the menu. */
- lw_popup_menu (menu, &dummy);
- x_set_menu_resources_from_menu_face (f, menu);
+ lw_popup_menu (menu, (XEvent *) &dummy);
popup_activated_flag = 1;
/* Process events that apply to the menu. */
{
Lisp_Object prefix, entry;
- prefix = Qnil;
+ prefix = entry = Qnil;
i = 0;
while (i < menu_items_used)
{
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);
+ 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);
= XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX];
i += MENU_ITEMS_PANE_LENGTH;
}
+ else if (EQ (XVECTOR (menu_items)->contents[i], Qquote))
+ {
+ /* This is the boundary between left-side elts and
+ right-side elts. */
+ ++i;
+ }
else
{
entry
return Qnil;
}
+
#else /* not USE_X_TOOLKIT */
+/* The frame of the last activated non-toolkit menu bar.
+ Used to generate menu help events. */
+
+static struct frame *menu_help_frame;
+
+
+/* Show help HELP_STRING, or clear help if HELP_STRING is null.
+
+ PANE is the pane number, and ITEM is the menu item number in
+ the menu (currently not used).
+
+ This cannot be done with generating a HELP_EVENT because
+ XMenuActivate contains a loop that doesn't let Emacs process
+ keyboard events. */
+
+static void
+menu_help_callback (help_string, pane, item)
+ char *help_string;
+ int pane, item;
+{
+ extern Lisp_Object Qmenu_item;
+ Lisp_Object *first_item;
+ Lisp_Object pane_name;
+ Lisp_Object menu_object;
+
+ first_item = XVECTOR (menu_items)->contents;
+ if (EQ (first_item[0], Qt))
+ 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 ("");
+ else
+ pane_name = first_item[MENU_ITEMS_ITEM_NAME];
+
+ /* (menu-item MENU-NAME PANE-NUMBER) */
+ menu_object = Fcons (Qmenu_item,
+ Fcons (pane_name,
+ Fcons (make_number (pane), Qnil)));
+ show_help_echo (help_string ? build_string (help_string) : Qnil,
+ Qnil, menu_object, make_number (item), 1);
+}
+
+
static Lisp_Object
xmenu_show (f, x, y, for_click, keymaps, title, error)
FRAME_PTR f;
else
{
/* Create a new item within current pane. */
- Lisp_Object item_name, enable, descrip;
+ Lisp_Object item_name, enable, descrip, help;
unsigned char *item_data;
+ char *help_string;
item_name = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_NAME];
enable = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_ENABLE];
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;
+
if (!NILP (descrip))
{
int gap = maxwidth - STRING_BYTES (XSTRING (item_name));
if (XMenuAddSelection (FRAME_X_DISPLAY (f),
menu, lpane, 0, item_data,
- !NILP (enable))
+ !NILP (enable), help_string)
== XM_FAILURE)
{
XMenuDestroy (FRAME_X_DISPLAY (f), menu);
XMenuSetAEQ (menu, TRUE);
XMenuSetFreeze (menu, TRUE);
pane = selidx = 0;
-
+
+ /* Help display under X won't work because XMenuActivate contains
+ a loop that doesn't give Emacs a chance to process it. */
+ menu_help_frame = f;
status = XMenuActivate (FRAME_X_DISPLAY (f), menu, &pane, &selidx,
- x, y, ButtonReleaseMask, &datap);
+ x, y, ButtonReleaseMask, &datap,
+ menu_help_callback);
#ifdef HAVE_X_WINDOWS