/* Modified by Fred Pierresteguy on December 93
to make the popup menus and menubar use the Xt. */
+/* Rewritten for clarity and GC protection by rms in Feb 94. */
+
#include <stdio.h>
/* On 4.3 this loses if it comes after xterm.h. */
#define min(x,y) (((x) < (y)) ? (x) : (y))
#define max(x,y) (((x) > (y)) ? (x) : (y))
-#define NUL 0
-
#ifndef TRUE
#define TRUE 1
#define FALSE 0
-#endif /* TRUE */
+#endif /* no TRUE */
#ifdef HAVE_X11
extern Display *x_current_display;
#define ButtonReleaseMask ButtonReleased
#endif /* not HAVE_X11 */
+/* We need a unique id for each popup menu and dialog box. */
+static unsigned int popup_id_tick;
+
extern Lisp_Object Qmenu_enable;
extern Lisp_Object Qmenu_bar;
-Lisp_Object xmenu_show ();
-extern int x_error_handler ();
+
#ifdef USE_X_TOOLKIT
-static widget_value *set_menu_items ();
+extern void process_expose_from_menu ();
+extern XtAppContext Xt_app_con;
+
static int string_width ();
-static void free_menu_items ();
#endif
-/* we need a unique id for each popup menu and dialog box */
-unsigned int popup_id_tick;
+static Lisp_Object xmenu_show ();
+static void keymap_panes ();
+static void single_keymap_panes ();
+static void list_of_panes ();
+static void list_of_items ();
+\f
+/* This holds a Lisp vector that holds the results of decoding
+ the keymaps or alist-of-alists that specify a menu.
-/*************************************************************/
+ It describes the panes and items within the panes.
-#if 0
-/* Ignoring the args is easiest. */
-xmenu_quit ()
-{
- error ("Unknown XMenu error");
-}
-#endif
+ Each pane is described by 3 elements in the vector:
+ t, the pane name, the pane's prefix key.
+ Then follow the pane's items, with 4 elements per item:
+ the item string, the enable flag, the item's value,
+ and the equivalent keyboard key's description string.
-\f
-DEFUN ("x-popup-menu",Fx_popup_menu, Sx_popup_menu, 1, 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 characters 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\
-\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\
-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\
-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.")
- (position, menu)
- Lisp_Object position, menu;
-{
- int number_of_panes, panes;
- Lisp_Object XMenu_return, keymap, tem;
- int XMenu_xpos, XMenu_ypos;
- char **menus;
- char ***names;
- int **enables;
- Lisp_Object **obj_list;
- Lisp_Object *prefixes;
- int *items;
- char *title;
- char *error_name;
- Lisp_Object ltitle, selection;
- int i, j, menubarp = 0;
- FRAME_PTR f;
- Lisp_Object x, y, window;
-#ifdef USE_X_TOOLKIT
- widget_value *val, *vw = 0;
-#endif /* USE_X_TOOLKIT */
+ Using a Lisp vector to hold this information while we decode it
+ takes care of protecting all the data from GC. */
- check_x ();
- /* Decode the first argument: find the window and the coordinates. */
- tem = Fcar (position);
- if (XTYPE (tem) == Lisp_Cons)
- {
- window = Fcar (Fcdr (position));
- x = Fcar (tem);
- y = Fcar (Fcdr (tem));
- }
- else
- {
- tem = Fcar (Fcdr (position)); /* EVENT_START (position) */
- window = Fcar (tem); /* POSN_WINDOW (tem) */
- tem = Fcar (Fcdr (Fcdr (tem))); /* POSN_WINDOW_POSN (tem) */
- x = Fcar (tem);
- y = Fcdr (tem);
- }
- CHECK_NUMBER (x, 0);
- CHECK_NUMBER (y, 0);
+#define MENU_ITEMS_PANE_NAME 1
+#define MENU_ITEMS_PANE_PREFIX 2
+#define MENU_ITEMS_PANE_LENGTH 3
- if (XTYPE (window) == Lisp_Frame)
- {
- f = XFRAME (window);
-
- XMenu_xpos = 0;
- XMenu_ypos = 0;
- }
- else if (XTYPE (window) == Lisp_Window)
- {
- CHECK_LIVE_WINDOW (window, 0);
- f = XFRAME (WINDOW_FRAME (XWINDOW (window)));
-
- XMenu_xpos = FONT_WIDTH (f->display.x->font)
- * XWINDOW (window)->left;
- XMenu_ypos = FONT_HEIGHT (f->display.x->font)
- * 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);
+#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_LENGTH 4
-#ifdef USE_X_TOOLKIT
- tem = Fcar (Fcdr (Fcar (Fcdr (position))));
- if (XTYPE (Fcar (position)) != Lisp_Cons
- && CONSP (tem)
- && EQ (Fcar (tem), Qmenu_bar))
- {
- /* We are in the menubar */
- XlwMenuWidget mw;
- int w1 = 0, w2;
-
- mw = (XlwMenuWidget)f->display.x->menubar_widget;
- menubarp = 1;
- for (vw = mw->menu.old_stack [0]->contents; vw; vw = vw->next)
- {
- w2 = w1;
- w1 += string_width (mw, vw->name)
- + 2 * (mw->menu.horizontal_spacing +
- mw->menu.shadow_thickness);
- if (XINT (x) < w1)
- {
- XMenu_xpos = w2 + 4;
- XMenu_ypos = 0;
- break;
- }
- }
- }
- else
- {
- XMenu_xpos += FONT_WIDTH (f->display.x->font) * XINT (x);
- XMenu_ypos += FONT_HEIGHT (f->display.x->font) * XINT (y);
- }
+static Lisp_Object menu_items;
- BLOCK_INPUT;
- XMenu_xpos += (f->display.x->widget->core.x
- + f->display.x->widget->core.border_width);
- XMenu_ypos += (f->display.x->widget->core.y
- + f->display.x->widget->core.border_width
- + f->display.x->menubar_widget->core.height);
- UNBLOCK_INPUT;
+/* Number of slots currently allocated in menu_items. */
+static int menu_items_allocated;
- val = set_menu_items (menu, &prefixes, &panes, &names,
- &enables, &menus, &items, &number_of_panes, &obj_list,
- &title, &error_name);
- selection = xmenu_show (f, val, XMenu_xpos, XMenu_ypos,
- menubarp, vw);
+/* This is the index in menu_items of the first empty slot. */
+static int menu_items_used;
- free_menu_items (names, enables, menus, items, number_of_panes, obj_list,
- title, error_name);
+/* The number of panes currently recorded in menu_items. */
+static int menu_items_n_panes;
- if (selection != NUL)
- { /* selected something */
- XMenu_return = selection;
- }
- else
- { /* nothing selected */
- XMenu_return = Qnil;
+/* Initialize the menu_items structure if we haven't already done so.
+ Also mark it as currently empty. */
+
+static void
+init_menu_items ()
+{
+ if (NILP (menu_items))
+ {
+ menu_items_allocated = 60;
+ menu_items = Fmake_vector (make_number (menu_items_allocated), Qnil);
}
- return XMenu_return;
+ menu_items_used = 0;
+ menu_items_n_panes = 0;
+}
-#else /* not USE_X_TOOLKIT */
-#ifdef HAVE_X11
- {
- Window child;
- int win_x = 0, win_y = 0;
+/* Call at the end of generating the data in menu_items.
+ This fills in the number of items in the last pane. */
- /* Find the position of the outside upper-left corner of
- the inner window, with respect to the outer window. */
- if (f->display.x->parent_desc != ROOT_WINDOW)
- {
- BLOCK_INPUT;
- XTranslateCoordinates (x_current_display,
+static void
+finish_menu_items ()
+{
+}
- /* From-window, to-window. */
- f->display.x->window_desc,
- f->display.x->parent_desc,
+/* Call when finished using the data for the current menu
+ in menu_items. */
- /* From-position, to-position. */
- 0, 0, &win_x, &win_y,
+static void
+discard_menu_items ()
+{
+ /* Free the structure if it is especially large.
+ Otherwise, hold on to it, to save time. */
+ if (menu_items_allocated > 200)
+ {
+ menu_items = Qnil;
+ menu_items_allocated = 0;
+ }
+}
- /* Child of window. */
- &child);
- UNBLOCK_INPUT;
- XMenu_xpos += win_x;
- XMenu_ypos += win_y;
- }
- }
-#endif /* HAVE_X11 */
+/* Start a new menu pane in menu_items..
+ NAME is the pane name. PREFIX_VEC is a prefix key for this pane. */
- XMenu_xpos += FONT_WIDTH (f->display.x->font) * XINT (x);
- XMenu_ypos += FONT_HEIGHT (f->display.x->font) * XINT (y);
+static void
+push_menu_pane (name, prefix_vec)
+ Lisp_Object name, prefix_vec;
+{
+ if (menu_items_used + MENU_ITEMS_PANE_LENGTH > menu_items_allocated)
+ {
+ Lisp_Object old;
+ int old_size = menu_items_allocated;
+ old = menu_items;
+
+ menu_items_allocated *= 2;
+ menu_items = Fmake_vector (make_number (menu_items_allocated), Qnil);
+ bcopy (XVECTOR (old)->contents, XVECTOR (menu_items)->contents,
+ old_size * sizeof (Lisp_Object));
+ }
- XMenu_xpos += f->display.x->left_pos;
- XMenu_ypos += f->display.x->top_pos;
+ menu_items_n_panes++;
+ XVECTOR (menu_items)->contents[menu_items_used++] = Qt;
+ XVECTOR (menu_items)->contents[menu_items_used++] = name;
+ XVECTOR (menu_items)->contents[menu_items_used++] = prefix_vec;
+}
+/* Push one menu item into the current pane.
+ NAME is the string to display. ENABLE if non-nil means
+ this item can be selected. KEY is the key generated by
+ choosing this item. EQUIV is the textual description
+ of the keyboard equivalent for this item (or nil if none). */
- keymap = Fkeymapp (menu);
- tem = Qnil;
- if (XTYPE (menu) == Lisp_Cons)
- tem = Fkeymapp (Fcar (menu));
- if (!NILP (keymap))
+static void
+push_menu_item (name, enable, key, equiv)
+ Lisp_Object name, enable, key, equiv;
+{
+ if (menu_items_used + MENU_ITEMS_ITEM_LENGTH > menu_items_allocated)
{
- /* We were given a keymap. Extract menu info from the keymap. */
- Lisp_Object prompt;
- keymap = get_keymap (menu);
+ Lisp_Object old;
+ int old_size = menu_items_allocated;
+ old = menu_items;
+
+ menu_items_allocated *= 2;
+ menu_items = Fmake_vector (make_number (menu_items_allocated), Qnil);
+ bcopy (XVECTOR (old)->contents, XVECTOR (menu_items)->contents,
+ old_size * sizeof (Lisp_Object));
+ }
- /* Search for a string appearing directly as an element of the keymap.
- That string is the title of the menu. */
- prompt = map_prompt (keymap);
- if (!NILP (prompt))
- title = (char *) XSTRING (prompt)->data;
+ XVECTOR (menu_items)->contents[menu_items_used++] = name;
+ XVECTOR (menu_items)->contents[menu_items_used++] = enable;
+ XVECTOR (menu_items)->contents[menu_items_used++] = key;
+ XVECTOR (menu_items)->contents[menu_items_used++] = equiv;
+}
+\f
+/* Figure out the current keyboard equivalent of a menu item ITEM1.
+ The item string for menu display should be ITEM_STRING.
+ Store the equivalent keyboard key sequence's
+ textual description into *DESCRIP_PTR.
+ Also cache them in the item itself.
+ Return the real definition to execute. */
- /* Extract the detailed info to make one pane. */
- number_of_panes = keymap_panes (&obj_list, &menus, &names, &enables,
- &items, &prefixes, &menu, 1);
- /* The menu title seems to be ignored,
- so put it in the pane title. */
- if (menus[0] == 0)
- menus[0] = title;
- }
- else if (!NILP (tem))
- {
- /* We were given a list of keymaps. */
- Lisp_Object prompt;
- int nmaps = XFASTINT (Flength (menu));
- Lisp_Object *maps
- = (Lisp_Object *) alloca (nmaps * sizeof (Lisp_Object));
- int i;
- title = 0;
+static Lisp_Object
+menu_item_equiv_key (item_string, item1, descrip_ptr)
+ Lisp_Object item_string;
+ Lisp_Object item1;
+ Lisp_Object *descrip_ptr;
+{
+ /* This is the real definition--the function to run. */
+ Lisp_Object def;
+ /* This is the sublist that records cached equiv key data
+ so we can save time. */
+ Lisp_Object cachelist;
+ /* These are the saved equivalent keyboard key sequence
+ and its key-description. */
+ Lisp_Object savedkey, descrip;
+ Lisp_Object def1;
+ int changed = 0;
- /* The first keymap that has a prompt string
- supplies the menu title. */
- for (tem = menu, i = 0; XTYPE (tem) == Lisp_Cons; tem = Fcdr (tem))
- {
- maps[i++] = keymap = get_keymap (Fcar (tem));
+ /* If a help string follows the item string, skip it. */
+ if (CONSP (XCONS (item1)->cdr)
+ && STRINGP (XCONS (XCONS (item1)->cdr)->car))
+ item1 = XCONS (item1)->cdr;
- prompt = map_prompt (keymap);
- if (title == 0 && !NILP (prompt))
- title = (char *) XSTRING (prompt)->data;
- }
+ def = Fcdr (item1);
- /* Extract the detailed info to make one pane. */
- number_of_panes = keymap_panes (&obj_list, &menus, &names, &enables,
- &items, &prefixes, maps, nmaps);
- /* The menu title seems to be ignored,
- so put it in the pane title. */
- if (menus[0] == 0)
- menus[0] = title;
- }
- else
+ /* Get out the saved equivalent-keyboard-key info. */
+ cachelist = savedkey = descrip = Qnil;
+ if (CONSP (def) && CONSP (XCONS (def)->car)
+ && (NILP (XCONS (XCONS (def)->car)->car)
+ || VECTORP (XCONS (XCONS (def)->car)->car)))
{
- /* We were given an old-fashioned menu. */
- ltitle = Fcar (menu);
- CHECK_STRING (ltitle, 1);
- title = (char *) XSTRING (ltitle)->data;
- prefixes = 0;
- number_of_panes = list_of_panes (&obj_list, &menus, &names, &enables,
- &items, Fcdr (menu));
+ cachelist = XCONS (def)->car;
+ def = XCONS (def)->cdr;
+ savedkey = XCONS (cachelist)->car;
+ descrip = XCONS (cachelist)->cdr;
}
-#ifdef XDEBUG
- fprintf (stderr, "Panes = %d\n", number_of_panes);
- for (i = 0; i < number_of_panes; i++)
+
+ /* Is it still valid? */
+ def1 = Qnil;
+ if (!NILP (savedkey))
+ def1 = Fkey_binding (savedkey, Qnil);
+ /* If not, update it. */
+ if (! EQ (def1, def)
+ /* If something had no key binding before, don't recheck it--
+ doing that takes too much time and makes menus too slow. */
+ && !(!NILP (cachelist) && NILP (savedkey)))
{
- fprintf (stderr, "Pane %d has lines %d title %s\n",
- i, items[i], menus[i]);
- for (j = 0; j < items[i]; j++)
- fprintf (stderr, " Item %d %s\n", j, names[i][j]);
+ changed = 1;
+ descrip = Qnil;
+ savedkey = Fwhere_is_internal (def, Qnil, Qt, Qnil);
+ if (VECTORP (savedkey)
+ && EQ (XVECTOR (savedkey)->contents[0], Qmenu_bar))
+ savedkey = Qnil;
+ if (!NILP (savedkey))
+ {
+ descrip = Fkey_description (savedkey);
+ descrip = concat2 (make_string (" (", 3), descrip);
+ descrip = concat2 (descrip, make_string (")", 1));
+ }
}
-#endif
- BLOCK_INPUT;
- {
- Window root;
- int root_x, root_y;
- int dummy_int;
- unsigned int dummy_uint;
- Window dummy_window;
-
- /* Figure out which root window F is on. */
- XGetGeometry (x_current_display, FRAME_X_WINDOW (f), &root,
- &dummy_int, &dummy_int, &dummy_uint, &dummy_uint,
- &dummy_uint, &dummy_uint);
-
- /* Translate the menu co-ordinates within f to menu co-ordinates
- on that root window. */
- if (! XTranslateCoordinates (x_current_display,
- FRAME_X_WINDOW (f), root,
- XMenu_xpos, XMenu_ypos, &root_x, &root_y,
- &dummy_window))
- /* But XGetGeometry said root was the root window of f's screen! */
- abort ();
- selection = xmenu_show (root, XMenu_xpos, XMenu_ypos, names, enables,
- menus, prefixes, items, number_of_panes, obj_list,
- title, &error_name);
- }
- UNBLOCK_INPUT;
- /* fprintf (stderr, "selection = %x\n", selection); */
- if (selection != NUL)
- { /* selected something */
- XMenu_return = selection;
- }
- else
- { /* nothing selected */
- XMenu_return = Qnil;
- }
- /* now free up the strings */
- for (i = 0; i < number_of_panes; i++)
+ /* Cache the data we just got in a sublist of the menu binding. */
+ if (NILP (cachelist))
+ XCONS (item1)->cdr = Fcons (Fcons (savedkey, descrip), def);
+ else if (changed)
{
- xfree (names[i]);
- xfree (enables[i]);
- xfree (obj_list[i]);
+ XCONS (cachelist)->car = savedkey;
+ XCONS (cachelist)->cdr = descrip;
}
- xfree (menus);
- xfree (obj_list);
- xfree (names);
- xfree (enables);
- xfree (items);
- /* free (title); */
- if (error_name) error (error_name);
- return XMenu_return;
-#endif /* not USE_X_TOOLKIT */
-}
-\f
-#ifdef USE_X_TOOLKIT
-
-static void
-dispatch_dummy_expose (w, x, y)
- Widget w;
- int x;
- int y;
-{
- XExposeEvent dummy;
-
- dummy.type = Expose;
- dummy.window = XtWindow (w);
- dummy.count = 0;
- dummy.serial = 0;
- dummy.send_event = 0;
- dummy.display = XtDisplay (w);
- dummy.x = x;
- dummy.y = y;
- XtDispatchEvent (&dummy);
+ *descrip_ptr = descrip;
+ return def;
}
-static int
-string_width (mw, s)
- XlwMenuWidget mw;
- char* s;
+/* This is used as the handler when calling internal_condition_case_1. */
+
+static Lisp_Object
+menu_item_enabled_p_1 (arg)
+ Lisp_Object arg;
{
- XCharStruct xcs;
- int drop;
-
- XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs);
- return xcs.width;
+ return Qnil;
}
-static int
-event_is_in_menu_item (mw, event, name, string_w)
- XlwMenuWidget mw;
- struct input_event *event;
- char *name;
- int *string_w;
+/* Return non-nil if the command DEF is enabled when used as a menu item.
+ This is based on looking for a menu-enable property. */
+
+static Lisp_Object
+menu_item_enabled_p (def)
+ Lisp_Object def;
{
- *string_w += string_width (mw, name)
- + 2 * (mw->menu.horizontal_spacing + mw->menu.shadow_thickness);
- return (XINT (event->x) < *string_w);
-}
+ Lisp_Object enabled, tem;
+ enabled = Qt;
+ if (XTYPE (def) == Lisp_Symbol)
+ {
+ /* No property, or nil, means enable.
+ Otherwise, enable if value is not nil. */
+ tem = Fget (def, Qmenu_enable);
+ if (!NILP (tem))
+ /* (condition-case nil (eval tem)
+ (error nil)) */
+ enabled = internal_condition_case_1 (Feval, tem, Qerror,
+ menu_item_enabled_p_1);
+ }
+ return enabled;
+}
+\f
+/* Look through KEYMAPS, a vector of keymaps that is NMAPS long,
+ and generate menu panes for them in menu_items. */
-Lisp_Object
-map_event_to_object (event, f)
- struct input_event *event;
- FRAME_PTR f;
+static void
+keymap_panes (keymaps, nmaps)
+ Lisp_Object *keymaps;
+ int nmaps;
{
- int i,j, string_w;
- window_state* ws;
- XlwMenuWidget mw = (XlwMenuWidget) f->display.x->menubar_widget;
- widget_value *val;
+ int mapno;
+ init_menu_items ();
- string_w = 0;
- /* Find the window */
- for (val = mw->menu.old_stack [0]->contents; val; val = val->next)
+ /* Loop over the given keymaps, making a pane for each map.
+ 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);
+
+ finish_menu_items ();
+}
+
+/* This is a recursive subroutine of keymap_panes.
+ It handles one keymap, KEYMAP.
+ The other arguments are passed along
+ or point to local variables of the previous function. */
+
+static void
+single_keymap_panes (keymap, pane_name, prefix)
+ Lisp_Object keymap;
+ Lisp_Object pane_name;
+ Lisp_Object prefix;
+{
+ Lisp_Object pending_maps;
+ Lisp_Object tail, item, item1, item_string, table;
+ struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
+
+ pending_maps = Qnil;
+
+ push_menu_pane (pane_name, prefix);
+
+ for (tail = keymap; XTYPE (tail) == Lisp_Cons; tail = XCONS (tail)->cdr)
{
- ws = &mw->menu.windows [0];
- if (ws && event_is_in_menu_item (mw, event, val->name, &string_w))
+ /* Look at each key binding, and if it has a menu string,
+ make a menu item from it. */
+ item = XCONS (tail)->car;
+ if (XTYPE (item) == Lisp_Cons)
{
- Lisp_Object items;
- items = FRAME_MENU_BAR_ITEMS (f);
- for (; CONSP (items); items = XCONS (items)->cdr)
- if (!strcmp (val->name,
- XSTRING (Fcar (Fcdr (Fcar (items))))->data))
- return items;
+ item1 = XCONS (item)->cdr;
+ if (XTYPE (item1) == Lisp_Cons)
+ {
+ item_string = XCONS (item1)->car;
+ if (XTYPE (item_string) == Lisp_String)
+ {
+ /* This is the real definition--the function to run. */
+ Lisp_Object def;
+ /* These are the saved equivalent keyboard key sequence
+ and its key-description. */
+ Lisp_Object descrip;
+ Lisp_Object tem, enabled;
+
+ def = menu_item_equiv_key (item_string, item1, &descrip);
+
+ /* GCPRO because we will call eval.
+ Protecting KEYMAP preserves everything we use;
+ aside from that, must protect whatever might be
+ a string. Since there's no GCPRO5, we refetch
+ item_string instead of protecting it. */
+ GCPRO4 (keymap, pending_maps, def, descrip);
+ enabled = menu_item_enabled_p (def);
+ UNGCPRO;
+
+ item_string = XCONS (item1)->car;
+
+ tem = Fkeymapp (def);
+ if (XSTRING (item_string)->data[0] == '@' && !NILP (tem))
+ pending_maps = Fcons (Fcons (def, Fcons (item_string, XCONS (item)->car)),
+ pending_maps);
+ else
+ push_menu_item (item_string, enabled, XCONS (item)->car,
+ descrip);
+ }
+ }
+ }
+ else if (XTYPE (item) == Lisp_Vector)
+ {
+ /* Loop over the char values represented in the vector. */
+ int len = XVECTOR (item)->size;
+ int c;
+ for (c = 0; c < len; c++)
+ {
+ Lisp_Object character;
+ XFASTINT (character) = c;
+ item1 = XVECTOR (item)->contents[c];
+ if (XTYPE (item1) == Lisp_Cons)
+ {
+ item_string = XCONS (item1)->car;
+ if (XTYPE (item_string) == Lisp_String)
+ {
+ Lisp_Object def;
+
+ /* These are the saved equivalent keyboard key sequence
+ and its key-description. */
+ Lisp_Object descrip;
+ Lisp_Object tem, enabled;
+
+ def = menu_item_equiv_key (item_string, item1, &descrip);
+
+ /* GCPRO because we will call eval.
+ Protecting KEYMAP preserves everything we use;
+ aside from that, must protect whatever might be
+ a string. Since there's no GCPRO5, we refetch
+ item_string instead of protecting it. */
+ GCPRO4 (keymap, pending_maps, def, descrip);
+ enabled = menu_item_enabled_p (def);
+ UNGCPRO;
+
+ item_string = XCONS (item1)->car;
+
+ tem = Fkeymapp (def);
+ if (XSTRING (item_string)->data[0] == '@' && !NILP (tem))
+ pending_maps = Fcons (Fcons (def, Fcons (item_string, character)),
+ pending_maps);
+ else
+ push_menu_item (item_string, enabled,
+ character, descrip);
+ }
+ }
+ }
}
}
- return Qnil;
+
+ /* Process now any submenus which want to be panes at this level. */
+ while (!NILP (pending_maps))
+ {
+ Lisp_Object elt, eltcdr;
+ elt = Fcar (pending_maps);
+ eltcdr = XCONS (elt)->cdr;
+ single_keymap_panes (Fcar (elt),
+ /* Fails to discard the @. */
+ XCONS (eltcdr)->car, XCONS (eltcdr)->cdr);
+ pending_maps = Fcdr (pending_maps);
+ }
}
+\f
+/* Push all the panes and items of a menu decsribed by the
+ alist-of-alists MENU.
+ This handles old-fashioned calls to x-popup-menu. */
-static widget_value *
-set_menu_items (menu, prefixes, panes, names, enables, menus,
- items, number_of_panes, obj_list, title, error_name)
+static void
+list_of_panes (menu)
Lisp_Object menu;
- Lisp_Object **prefixes;
- int *panes;
- char ***names[];
- int ***enables;
- char ***menus;
- int **items;
- int *number_of_panes;
- Lisp_Object ***obj_list;
- char **title;
- char **error_name;
{
+ Lisp_Object tail;
+
+ init_menu_items ();
+
+ for (tail = menu; !NILP (tail); tail = Fcdr (tail))
+ {
+ Lisp_Object elt, pane_name, pane_data;
+ elt = Fcar (tail);
+ pane_name = Fcar (elt);
+ CHECK_STRING (pane_name, 0);
+ push_menu_pane (pane_name, Qnil);
+ pane_data = Fcdr (elt);
+ CHECK_CONS (pane_data, 0);
+ list_of_items (pane_data);
+ }
+
+ finish_menu_items ();
+}
+
+/* Push the items in a single pane defined by the alist PANE. */
+
+static void
+list_of_items (pane)
+ Lisp_Object pane;
+{
+ Lisp_Object tail, item, item1;
+
+ for (tail = pane; !NILP (tail); tail = Fcdr (tail))
+ {
+ item = Fcar (tail);
+ if (STRINGP (item))
+ push_menu_item (item, Qnil, Qnil);
+ else
+ {
+ CHECK_CONS (item, 0);
+ item1 = Fcar (item);
+ CHECK_STRING (item1, 1);
+ push_menu_item (item1, Qt, Fcdr (item), Qnil);
+ }
+ }
+}
+\f
+DEFUN ("x-popup-menu", Fx_popup_menu, Sx_popup_menu, 1, 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 characters 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\
+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\
+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)
+ Lisp_Object position, menu;
+{
+ int number_of_panes, panes;
Lisp_Object keymap, tem;
- Lisp_Object ltitle, selection;
+ int xpos, ypos;
+ Lisp_Object title;
+ char *error_name;
+ Lisp_Object selection;
int i, j;
- widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0;
- int last, selidx, lpane, status;
- int lines, sofar;
+ FRAME_PTR f;
+ Lisp_Object x, y, window;
+ int keymaps = 0;
+ int menubarp = 0;
+ struct gcpro gcpro1;
+
+ check_x ();
+
+ if (! NILP (position))
+ {
+ /* Decode the first argument: find the window and the coordinates. */
+ if (EQ (position, Qt))
+ {
+ /* Use the mouse's current position. */
+ FRAME_PTR new_f;
+ Lisp_Object bar_window;
+ int part;
+ unsigned long time;
+
+ (*mouse_position_hook) (&new_f, &bar_window, &part, &x, &y, &time);
+ XSET (window, Lisp_Frame, new_f);
+ }
+ else
+ {
+ tem = Fcar (position);
+ if (XTYPE (tem) == Lisp_Cons)
+ {
+ window = Fcar (Fcdr (position));
+ x = Fcar (tem);
+ y = Fcar (Fcdr (tem));
+ }
+ else
+ {
+ tem = Fcar (Fcdr (position)); /* EVENT_START (position) */
+ window = Fcar (tem); /* POSN_WINDOW (tem) */
+ tem = Fcar (Fcdr (Fcdr (tem))); /* POSN_WINDOW_POSN (tem) */
+ x = Fcar (tem);
+ y = Fcdr (tem);
+
+ /* Determine whether this menu is handling a menu bar click. */
+ tem = Fcar (Fcdr (Fcar (Fcdr (position))));
+ if (XTYPE (Fcar (position)) != Lisp_Cons
+ && CONSP (tem)
+ && EQ (Fcar (tem), Qmenu_bar))
+ menubarp = 1;
+ }
+ }
+
+ CHECK_NUMBER (x, 0);
+ CHECK_NUMBER (y, 0);
+
+ /* Decode where to put the menu. */
+
+ if (XTYPE (window) == Lisp_Frame)
+ {
+ f = XFRAME (window);
+
+ xpos = 0;
+ ypos = 0;
+ }
+ else if (XTYPE (window) == Lisp_Window)
+ {
+ CHECK_LIVE_WINDOW (window, 0);
+ f = XFRAME (WINDOW_FRAME (XWINDOW (window)));
+
+ xpos = (FONT_WIDTH (f->display.x->font) * XWINDOW (window)->left);
+ ypos = (FONT_HEIGHT (f->display.x->font) * 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);
+
+ xpos += XINT (x);
+ ypos += XINT (y);
+ }
+
+ title = Qnil;
+ GCPRO1 (title);
+
+ /* Decode the menu items from what was specified. */
keymap = Fkeymapp (menu);
tem = Qnil;
-
if (XTYPE (menu) == Lisp_Cons)
tem = Fkeymapp (Fcar (menu));
if (!NILP (keymap))
Lisp_Object prompt;
keymap = get_keymap (menu);
+ /* Extract the detailed info to make one pane. */
+ keymap_panes (&menu, 1);
+
/* Search for a string appearing directly as an element of the keymap.
That string is the title of the menu. */
prompt = map_prompt (keymap);
- if (!NILP (prompt))
- *title = (char *) XSTRING (prompt)->data;
- /* Extract the detailed info to make one pane. */
- *number_of_panes = keymap_panes (obj_list, menus, names, enables,
- items, prefixes, menu, 1);
- /* The menu title seems to be ignored,
- so put it in the pane title. */
- if ((*menus)[0] == 0)
- (*menus)[0] = *title;
+ /* Make that be the pane title of the first pane. */
+ if (!NILP (prompt) && menu_items_n_panes >= 0)
+ XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME] = prompt;
+
+ keymaps = 1;
}
else if (!NILP (tem))
{
/* We were given a list of keymaps. */
- Lisp_Object prompt;
int nmaps = XFASTINT (Flength (menu));
Lisp_Object *maps
= (Lisp_Object *) alloca (nmaps * sizeof (Lisp_Object));
int i;
- *title = 0;
+
+ title = Qnil;
/* The first keymap that has a prompt string
supplies the menu title. */
for (tem = menu, i = 0; XTYPE (tem) == Lisp_Cons; tem = Fcdr (tem))
{
+ Lisp_Object prompt;
+
maps[i++] = keymap = get_keymap (Fcar (tem));
prompt = map_prompt (keymap);
- if (*title == 0 && !NILP (prompt))
- *title = (char *) XSTRING (prompt)->data;
+ if (NILP (title) && !NILP (prompt))
+ title = prompt;
}
/* Extract the detailed info to make one pane. */
- *number_of_panes = keymap_panes (obj_list, menus, names, enables,
- items, prefixes, maps, nmaps);
- /* The menu title seems to be ignored,
- so put it in the pane title. */
- if ((*menus)[0] == 0)
- (*menus)[0] = *title;
+ keymap_panes (maps, nmaps);
+
+ /* Make the title be the pane title of the first pane. */
+ if (!NILP (title) && menu_items_n_panes >= 0)
+ XVECTOR (menu_items)->contents[MENU_ITEMS_PANE_NAME] = title;
+
+ keymaps = 1;
}
else
{
/* We were given an old-fashioned menu. */
- ltitle = Fcar (menu);
- CHECK_STRING (ltitle, 1);
- *title = (char *) XSTRING (ltitle)->data;
- *prefixes = 0;
- *number_of_panes = list_of_panes (obj_list, menus, names, enables,
- items, Fcdr (menu));
- }
-
- *error_name = 0;
- if (*number_of_panes == 0)
- return 0;
+ title = Fcar (menu);
+ CHECK_STRING (title, 1);
- *error_name = (char *) 0; /* Initialize error pointer to null */
+ list_of_panes (Fcdr (menu));
- wv = malloc_widget_value ();
- wv->name = "menu";
- wv->value = 0;
- wv->enabled = 1;
- first_wv = wv;
-
- for (*panes = 0, lines = 0; *panes < *number_of_panes;
- lines += (*items)[*panes], (*panes)++)
- ;
- /* datap = (struct indices *) xmalloc (lines * sizeof (struct indices)); */
- /* datap = (char *) xmalloc (lines * sizeof (char));
- datap_save = datap;*/
+ keymaps = 0;
+ }
- for (*panes = 0, sofar = 0; *panes < *number_of_panes;
- sofar += (*items)[*panes], (*panes)++)
+ if (NILP (position))
{
- if (strcmp((*menus)[*panes], ""))
- {
- wv = malloc_widget_value ();
- if (save_wv)
- save_wv->next = wv;
- else
- first_wv->contents = wv;
- wv->name = (*menus)[*panes];
- wv->value = 0;
- wv->enabled = 1;
- }
- prev_wv = 0;
- save_wv = wv;
-
- for (selidx = 0; selidx < (*items)[*panes]; selidx++)
- {
- wv = malloc_widget_value ();
- if (prev_wv)
- prev_wv->next = wv;
- else
- save_wv->contents = wv;
- wv->name = (*names)[*panes][selidx];
- wv->value = 0;
- selection = (*obj_list)[*panes][selidx];
- if (*prefixes != 0)
- {
- selection = Fcons (selection, Qnil);
- if (!NILP ((*prefixes)[*panes]))
- selection = Fcons ((*prefixes)[*panes], selection);
- }
- wv->call_data = LISP_TO_VOID(selection);
- wv->enabled = (*enables)[*panes][selidx];
- prev_wv = wv;
- }
+ discard_menu_items ();
+ UNGCPRO;
+ return Qnil;
}
- return (first_wv);
-}
+ /* Display them in a menu. */
+ BLOCK_INPUT;
-static void
-free_menu_items (names, enables, menus, items, number_of_panes,
- obj_list, title, error_name)
- char **names[];
- int *enables[];
- char **menus;
- int *items;
- int number_of_panes;
- Lisp_Object **obj_list;
- char *title;
- char *error_name;
-{
- int i;
- /* now free up the strings */
- for (i = 0; i < number_of_panes; i++)
- {
- xfree (names[i]);
- xfree (enables[i]);
- xfree (obj_list[i]);
- }
- xfree (menus);
- xfree (obj_list);
- xfree (names);
- xfree (enables);
- xfree (items);
- /* free (title); */
- if (error_name) error (error_name);
+ selection = xmenu_show (f, xpos, ypos, menubarp,
+ keymaps, title, &error_name);
+ UNBLOCK_INPUT;
-}
+ discard_menu_items ();
-static Lisp_Object menu_item_selection;
+ UNGCPRO;
-static void
-popup_selection_callback (widget, id, client_data)
- Widget widget;
- LWLIB_ID id;
- XtPointer client_data;
-{
- VOID_TO_LISP (menu_item_selection, client_data);
+ if (error_name) error (error_name);
+ return selection;
}
+\f
+#ifdef USE_X_TOOLKIT
static void
-popup_down_callback (widget, id, client_data)
- Widget widget;
- LWLIB_ID id;
- XtPointer client_data;
-{
+dispatch_dummy_expose (w, x, y)
+ Widget w;
+ int x;
+ int y;
+{
+ XExposeEvent dummy;
+
+ dummy.type = Expose;
+ dummy.window = XtWindow (w);
+ dummy.count = 0;
+ dummy.serial = 0;
+ dummy.send_event = 0;
+ dummy.display = XtDisplay (w);
+ dummy.x = x;
+ dummy.y = y;
+
+ XtDispatchEvent (&dummy);
+}
+
+static int
+string_width (mw, s)
+ XlwMenuWidget mw;
+ char* s;
+{
+ XCharStruct xcs;
+ int drop;
+
+ XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs);
+ return xcs.width;
+}
+
+static int
+event_is_in_menu_item (mw, event, name, string_w)
+ XlwMenuWidget mw;
+ struct input_event *event;
+ char *name;
+ int *string_w;
+{
+ *string_w += (string_width (mw, name)
+ + 2 * (mw->menu.horizontal_spacing
+ + mw->menu.shadow_thickness));
+ return XINT (event->x) < *string_w;
+}
+
+
+Lisp_Object
+map_event_to_object (event, f)
+ struct input_event *event;
+ FRAME_PTR f;
+{
+ int i,j, string_w;
+ window_state* ws;
+ XlwMenuWidget mw = (XlwMenuWidget) f->display.x->menubar_widget;
+ widget_value *val;
+
+
+ string_w = 0;
+ /* Find the window */
+ for (val = mw->menu.old_stack [0]->contents; val; val = val->next)
+ {
+ ws = &mw->menu.windows [0];
+ if (ws && event_is_in_menu_item (mw, event, val->name, &string_w))
+ {
+ Lisp_Object items;
+ items = FRAME_MENU_BAR_ITEMS (f);
+ for (; CONSP (items); items = XCONS (items)->cdr)
+ if (!strcmp (val->name,
+ XSTRING (Fcar (Fcdr (Fcar (items))))->data))
+ return items;
+ }
+ }
+ return Qnil;
+}
+
+static Lisp_Object *menu_item_selection;
+
+static void
+popup_selection_callback (widget, id, client_data)
+ Widget widget;
+ LWLIB_ID id;
+ XtPointer client_data;
+{
+ menu_item_selection = (Lisp_Object *) client_data;
+}
+
+static void
+popup_down_callback (widget, id, client_data)
+ Widget widget;
+ LWLIB_ID id;
+ XtPointer client_data;
+{
BLOCK_INPUT;
lw_destroy_all_widgets (id);
UNBLOCK_INPUT;
/* This recursively calls free_widget_value() on the tree of widgets.
It must free all data that was malloc'ed for these widget_values.
- Currently, emacs only allocates new storage for the `key' slot.
- All other slots are pointers into the data of Lisp_Strings, and
- must be left alone.
- */
+ In Emacs, many slots are pointers into the data of Lisp_Strings, and
+ must be left alone. */
+
void
free_menubar_widget_value_tree (wv)
widget_value *wv;
{
if (! wv) return;
- if (wv->key) xfree (wv->key);
wv->name = wv->value = wv->key = (char *) 0xDEADBEEF;
UNBLOCK_INPUT;
}
}
-#endif /* USE_X_TOOLKIT */
\f
-struct indices {
- int pane;
- int line;
-};
+/* Nonzero if position X, Y relative to inside of frame F
+ is in some other menu bar item. */
-extern void process_expose_from_menu ();
+static int this_menu_bar_item_beg;
+static int this_menu_bar_item_end;
+
+static int
+other_menu_bar_item_p (f, x, y)
+ FRAME_PTR f;
+ int x, y;
+{
+ return (y >= 0
+ && y < f->display.x->menubar_widget->core.height
+ && x >= 0
+ && x < f->display.x->menubar_widget->core.width
+ && (x >= this_menu_bar_item_end
+ || x < this_menu_bar_item_beg));
+}
+
+/* Unread a button-press event in the menu bar of frame F
+ at x position XPOS relative to the inside of the frame. */
+
+static void
+unread_menu_bar_button (f, xpos)
+ FRAME_PTR f;
+ int xpos;
+{
+ XEvent event;
+
+ event.type = ButtonPress;
+ event.xbutton.display = x_current_display;
+ event.xbutton.serial = 0;
+ event.xbutton.send_event = 0;
+ event.xbutton.time = CurrentTime;
+ event.xbutton.button = Button1;
+ event.xbutton.window = XtWindow (f->display.x->menubar_widget);
+ event.xbutton.x = xpos;
+ XPutBackEvent (XDISPLAY &event);
+}
+
+/* If the mouse has moved to another menu bar item,
+ return 1 and unread a button press event for that item.
+ Otherwise return 0. */
+
+static int
+check_mouse_other_menu_bar (f)
+ FRAME_PTR f;
+{
+ FRAME_PTR new_f;
+ Lisp_Object bar_window;
+ int part;
+ Lisp_Object x, y;
+ unsigned long time;
+
+ (*mouse_position_hook) (&new_f, &bar_window, &part, &x, &y, &time);
+
+ if (f == new_f && other_menu_bar_item_p (f, x, y))
+ {
+ unread_menu_bar_button (f, x);
+ return 1;
+ }
+
+ return 0;
+}
+#endif /* USE_X_TOOLKIT */
+\f
+/* xmenu_show actually displays a menu using the panes and items in menu_items
+ and returns the value selected from it.
+ There are two versions of xmenu_show, one for Xt and one for Xlib.
+ Both assume input is blocked by the caller. */
+
+/* F is the frame the menu is for.
+ X and Y are the frame-relative specified position,
+ relative to the inside upper left corner of the frame F.
+ MENUBARP is 1 if the click that asked for this menu came from the menu bar.
+ KEYMAPS is 1 if this menu was specified with keymaps;
+ in that case, we return a list containing the chosen item's value
+ and perhaps also the pane's prefix.
+ TITLE is the specified menu title.
+ ERROR is a place to store an error message string in case of failure.
+ (We return nil on failure, but the value doesn't actually matter.) */
#ifdef USE_X_TOOLKIT
-extern XtAppContext Xt_app_con;
-Lisp_Object
-xmenu_show (f, val, x, y, menubarp, vw)
+static Lisp_Object
+xmenu_show (f, x, y, menubarp, keymaps, title, error)
FRAME_PTR f;
- widget_value *val;
int x;
int y;
int menubarp;
- widget_value *vw;
+ int keymaps;
+ Lisp_Object title;
+ char **error;
{
- int menu_id, item_length;
- Lisp_Object selection;
+ int i;
+ int menu_id;
Widget menu;
- XlwMenuWidget menuw = (XlwMenuWidget) f->display.x->menubar_widget;
+ XlwMenuWidget menubar = (XlwMenuWidget) f->display.x->menubar_widget;
- /*
- * Define and allocate a foreign event queue to hold events
- * that don't belong to XMenu. These events are later restored
- * to the X event queue.
- */
- typedef struct _xmeventque
+ /* This is the menu bar item (if any) that led to this menu. */
+ widget_value *menubar_item = 0;
+
+ widget_value *wv, *save_wv = 0, *first_wv = 0, *prev_wv = 0;
+
+ /* 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 _xmeventque *next;
- } XMEventQue;
-
- XMEventQue *feq = NULL; /* Foreign event queue. */
- XMEventQue *feq_tmp; /* Foreign event queue temporary. */
+ struct event_queue *next;
+ };
- BLOCK_INPUT;
- if (val == 0) return Qnil;
+ struct event_queue *queue = NULL;
+ struct event_queue *queue_tmp;
+
+ *error = NULL;
+
+ this_menu_bar_item_beg = -1;
+ this_menu_bar_item_end = -1;
+
+ /* Figure out which menu bar item, if any, this menu is for. */
+ if (menubarp)
+ {
+ int xbeg;
+ int xend = 0;
+
+ for (menubar_item = menubar->menu.old_stack[0]->contents;
+ menubar_item;
+ menubar_item = menubar_item->next)
+ {
+ xbeg = xend;
+ xend += (string_width (menubar, menubar_item->name)
+ + 2 * (menubar->menu.horizontal_spacing
+ + menubar->menu.shadow_thickness));
+ if (x < xend)
+ {
+ x = xbeg + 4;
+ y = 0;
+ /* Arrange to show a different menu if we move in the menu bar
+ to a different item. */
+ this_menu_bar_item_beg = xbeg;
+ this_menu_bar_item_end = xend;
+ break;
+ }
+ }
+ }
+ if (menubar_item == 0)
+ menubarp = 0;
+
+ /* Offset the coordinates to root-relative. */
+ x += (f->display.x->widget->core.x
+ + f->display.x->widget->core.border_width);
+ y += (f->display.x->widget->core.y
+ + f->display.x->widget->core.border_width
+ + f->display.x->menubar_widget->core.height);
+ /* Create a tree of widget_value objects
+ representing the panes and their items. */
+ wv = malloc_widget_value ();
+ wv->name = "menu";
+ wv->value = 0;
+ wv->enabled = 1;
+ first_wv = wv;
+
+ /* Loop over all panes and items, filling in the tree. */
+ i = 0;
+ while (i < menu_items_used)
+ {
+ if (EQ (XVECTOR (menu_items)->contents[i], Qt))
+ {
+ /* Create a new pane. */
+ Lisp_Object pane_name, prefix;
+ char *pane_string;
+ 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);
+ /* If there is just one 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 (strcmp (pane_string, ""))
+ {
+ wv = malloc_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;
+ }
+ save_wv = wv;
+ prev_wv = 0;
+ i += MENU_ITEMS_PANE_LENGTH;
+ }
+ else
+ {
+ /* Create a new item within current pane. */
+ Lisp_Object item_name, enable, descrip;
+ 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];
+
+ wv = malloc_widget_value ();
+ if (prev_wv)
+ prev_wv->next = wv;
+ else
+ save_wv->contents = wv;
+ wv->name = XSTRING (item_name)->data;
+ if (!NILP (descrip))
+ wv->key = XSTRING (descrip)->data;
+ wv->value = 0;
+ wv->call_data = (void *) &XVECTOR (menu_items)->contents[i];
+ wv->enabled = !NILP (enable);
+ prev_wv = wv;
+
+ i += MENU_ITEMS_ITEM_LENGTH;
+ }
+ }
+
+ /* Actually create the menu. */
menu_id = ++popup_id_tick;
- menu = lw_create_widget ("popup", val->name, menu_id, val,
+ menu = lw_create_widget ("popup", first_wv->name, menu_id, first_wv,
f->display.x->widget, 1, 0,
popup_selection_callback, popup_down_callback);
- free_menubar_widget_value_tree (val);
+ /* 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;
+
+ /* If the mouse moves out of the menu before we show the menu,
+ don't show it at all. */
+ if (check_mouse_other_menu_bar (f))
+ {
+ lw_destroy_all_widgets (menu_id);
+ return Qnil;
+ }
+
- /* reset the selection */
- menu_item_selection = Qnil;
+ /* Highlight the menu bar item (if any) that led to this menu. */
+ if (menubarp)
+ {
+ menubar_item->call_data = (XtPointer) 1;
+ dispatch_dummy_expose (f->display.x->menubar_widget, x, y);
+ }
+ /* Display the menu. */
{
XButtonPressedEvent dummy;
XlwMenuWidget mw;
- mw = ((XlwMenuWidget)
- ((CompositeWidget)menu)->composite.children[0]);
+ mw = (XlwMenuWidget) ((CompositeWidget)menu)->composite.children[0];
dummy.type = ButtonPress;
dummy.serial = 0;
dummy.x_root = x;
dummy.y_root = y;
- if (menubarp)
- {
- vw->call_data = (XtPointer) 1;
- dispatch_dummy_expose (f->display.x->menubar_widget, x, y);
- }
-
-
- /* We activate directly the lucid implementation */
+ /* We activate directly the lucid implementation. */
pop_up_menu (mw, &dummy);
}
- if (menubarp)
+ /* Check again whether the mouse has moved to another menu bar item. */
+ if (check_mouse_other_menu_bar (f))
{
- item_length = (x + string_width (menuw, vw->name)
- + (2 * (menuw->menu.horizontal_spacing
- + menuw->menu.shadow_thickness))
- - 4);
+ /* The mouse moved into a different menu bar item.
+ We should bring up that item's menu instead.
+ First pop down this menu. */
+ XtUngrabPointer ((Widget)
+ ((XlwMenuWidget)
+ ((CompositeWidget)menu)->composite.children[0]),
+ CurrentTime);
+ lw_destroy_all_widgets (menu_id);
+ goto pop_down;
}
- /* Enters XEvent loop */
+ /* Process events that apply to the menu. */
while (1)
{
-
XEvent event;
+
XtAppNextEvent (Xt_app_con, &event);
if (event.type == ButtonRelease)
{
XtDispatchEvent (&event);
break;
}
- else
- if (event.type == Expose)
- process_expose_from_menu (event);
- else
- if (event.type == MotionNotify
- && menubarp
- && ((event.xmotion.y_root
- >= (f->display.x->widget->core.y
- + f->display.x->widget->core.border_width))
- && (event.xmotion.y_root
- < (f->display.x->widget->core.y
- + f->display.x->widget->core.border_width
- + f->display.x->menubar_widget->core.height)))
- && ((event.xmotion.x_root
- >= (f->display.x->widget->core.x
- + f->display.x->widget->core.border_width))
- && (event.xmotion.x_root
- < (f->display.x->widget->core.x
- + f->display.x->widget->core.border_width
- + f->display.x->widget->core.width)))
- && (event.xmotion.x_root >= item_length
- || event.xmotion.x_root < (x - 4)))
- {
- BLOCK_INPUT;
- XtUngrabPointer ((Widget)
- ((XlwMenuWidget)
- ((CompositeWidget)menu)->composite.children[0]),
- event.xbutton.time);
- lw_destroy_all_widgets (menu_id);
- UNBLOCK_INPUT;
-
- event.type = ButtonPress;
- event.xbutton.time = CurrentTime;
- event.xbutton.button = Button1;
- event.xbutton.window = XtWindow (f->display.x->menubar_widget);
- event.xbutton.x = (event.xbutton.x_root
- - (f->display.x->widget->core.x
- + f->display.x->widget->core.border_width));
- XPutBackEvent (XDISPLAY &event);
- break;
- }
+ else if (event.type == Expose)
+ process_expose_from_menu (event);
+ else if (event.type == MotionNotify)
+ {
+ int event_x = (event.xmotion.x_root
+ - (f->display.x->widget->core.x
+ + f->display.x->widget->core.border_width));
+ int event_y = (event.xmotion.y_root
+ - (f->display.x->widget->core.y
+ + f->display.x->widget->core.border_width));
+
+ if (other_menu_bar_item_p (f, event_x, event_y))
+ {
+ /* The mouse moved into a different menu bar item.
+ We should bring up that item's menu instead.
+ First pop down this menu. */
+ XtUngrabPointer ((Widget)
+ ((XlwMenuWidget)
+ ((CompositeWidget)menu)->composite.children[0]),
+ event.xbutton.time);
+ lw_destroy_all_widgets (menu_id);
+
+ /* Put back an event that will bring up the other item's menu. */
+ unread_menu_bar_button (f, event_x);
+ /* Don't let us select anything in this case. */
+ menu_item_selection = 0;
+ break;
+ }
+ }
XtDispatchEvent (&event);
- feq_tmp = (XMEventQue *) malloc (sizeof (XMEventQue));
-
- if (feq_tmp == NULL)
- return(Qnil);
+ queue_tmp = (struct event_queue *) malloc (sizeof (struct event_queue));
- feq_tmp->event = event;
- feq_tmp->next = feq;
- feq = feq_tmp;
+ if (queue_tmp != NULL)
+ {
+ queue_tmp->event = event;
+ queue_tmp->next = queue;
+ queue = queue_tmp;
+ }
}
-
+
+ pop_down:
+ /* Unhighlight the menu bar item (if any) that led to this menu. */
if (menubarp)
{
- vw->call_data = (XtPointer) 0;
+ menubar_item->call_data = (XtPointer) 0;
dispatch_dummy_expose (f->display.x->menubar_widget, x, y);
}
- /* Return any foreign events that were queued to the X event queue. */
- while (feq != NULL)
+ /* Make sure the menu disappears. */
+ lw_destroy_all_widgets (menu_id);
+
+ /* Unread any events that we got but did not handle. */
+ while (queue != NULL)
{
- feq_tmp = feq;
- XPutBackEvent (XDISPLAY &feq_tmp->event);
- feq = feq_tmp->next;
- free ((char *)feq_tmp);
+ queue_tmp = queue;
+ XPutBackEvent (XDISPLAY &queue_tmp->event);
+ queue = queue_tmp->next;
+ free ((char *)queue_tmp);
}
- UNBLOCK_INPUT;
+ /* Find the selected item, and its pane, to return
+ the proper value. */
+ if (menu_item_selection != 0)
+ {
+ Lisp_Object prefix;
+
+ prefix = Qnil;
+ i = 0;
+ while (i < menu_items_used)
+ {
+ Lisp_Object entry;
- return menu_item_selection;
+ if (EQ (XVECTOR (menu_items)->contents[i], Qt))
+ {
+ prefix
+ = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX];
+ i += MENU_ITEMS_PANE_LENGTH;
+ }
+ else
+ {
+ entry
+ = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE];
+ if (menu_item_selection == &XVECTOR (menu_items)->contents[i])
+ {
+ if (keymaps != 0)
+ {
+ entry = Fcons (entry, Qnil);
+ if (!NILP (prefix))
+ entry = Fcons (prefix, entry);
+ }
+ return entry;
+ }
+ i += MENU_ITEMS_ITEM_LENGTH;
+ }
+ }
+ }
+
+ return Qnil;
}
#else /* not USE_X_TOOLKIT */
-xmenu_show (parent, startx, starty, line_list, enable_list, pane_list,
- prefixes, line_cnt, pane_cnt, item_list, title, error)
- Window parent;
- int startx, starty; /* upper left corner position BROKEN */
- char **line_list[]; /* list of strings for items */
- int *enable_list[]; /* enable flags of lines */
- char *pane_list[]; /* list of pane titles */
- Lisp_Object *prefixes; /* Prefix key for each pane */
- char *title;
- int pane_cnt; /* total number of panes */
- Lisp_Object *item_list[]; /* All items */
- int line_cnt[]; /* Lines in each pane */
- char **error; /* Error returned */
+
+static Lisp_Object
+xmenu_show (f, x, y, menubarp, keymaps, title, error)
+ FRAME_PTR f;
+ int x, y;
+ int keymaps;
+ int menubarp;
+ Lisp_Object title;
+ char **error;
{
- XMenu *GXMenu;
- int last, panes, selidx, lpane, status;
- int lines, sofar;
- Lisp_Object entry;
- /* struct indices *datap, *datap_save; */
+ Window root;
+ XMenu *menu;
+ int pane, selidx, lpane, status;
+ Lisp_Object entry, pane_prefix;
char *datap;
int ulx, uly, width, height;
int dispwidth, dispheight;
+ int i;
+ int dummy_int;
+ unsigned int dummy_uint;
*error = 0;
- if (pane_cnt == 0)
- return 0;
+ if (menu_items_n_panes == 0)
+ return Qnil;
- BLOCK_INPUT;
- *error = (char *) 0; /* Initialize error pointer to null */
+ /* Figure out which root window F is on. */
+ XGetGeometry (x_current_display, FRAME_X_WINDOW (f), &root,
+ &dummy_int, &dummy_int, &dummy_uint, &dummy_uint,
+ &dummy_uint, &dummy_uint);
- GXMenu = XMenuCreate (XDISPLAY parent, "emacs");
- if (GXMenu == NUL)
+ /* Make the menu on that window. */
+ menu = XMenuCreate (XDISPLAY root, "emacs");
+ if (menu == NULL)
{
*error = "Can't create menu";
- UNBLOCK_INPUT;
- return (0);
+ return Qnil;
}
+
+ /* Adjust coordinates to relative to the outer (window manager) window. */
+#ifdef HAVE_X11
+ {
+ Window child;
+ int win_x = 0, win_y = 0;
+
+ /* Find the position of the outside upper-left corner of
+ the inner window, with respect to the outer window. */
+ if (f->display.x->parent_desc != ROOT_WINDOW)
+ {
+ BLOCK_INPUT;
+ XTranslateCoordinates (x_current_display,
+
+ /* From-window, to-window. */
+ f->display.x->window_desc,
+ f->display.x->parent_desc,
+
+ /* From-position, to-position. */
+ 0, 0, &win_x, &win_y,
+
+ /* Child of window. */
+ &child);
+ UNBLOCK_INPUT;
+ x += win_x;
+ y += win_y;
+ }
+ }
+#endif /* HAVE_X11 */
+
+ /* Adjust coordinates to be root-window-relative. */
+ x += f->display.x->left_pos;
+ y += f->display.x->top_pos;
- for (panes = 0, lines = 0; panes < pane_cnt;
- lines += line_cnt[panes], panes++)
- ;
- /* datap = (struct indices *) xmalloc (lines * sizeof (struct indices)); */
- /* datap = (char *) xmalloc (lines * sizeof (char));
- datap_save = datap;*/
-
- for (panes = 0, sofar = 0; panes < pane_cnt;
- sofar += line_cnt[panes], panes++)
+ /* Create all the necessary panes and their items. */
+ i = 0;
+ while (i < menu_items_used)
{
- /* create all the necessary panes */
- lpane = XMenuAddPane (XDISPLAY GXMenu, pane_list[panes], TRUE);
- if (lpane == XM_FAILURE)
+ if (EQ (XVECTOR (menu_items)->contents[i], Qt))
{
- XMenuDestroy (XDISPLAY GXMenu);
- *error = "Can't create pane";
- UNBLOCK_INPUT;
- return (0);
+ /* Create a new pane. */
+ Lisp_Object pane_name, prefix;
+ char *pane_string;
+
+ 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);
+ if (keymaps && !NILP (prefix))
+ pane_string++;
+
+ lpane = XMenuAddPane (XDISPLAY menu, pane_string, TRUE);
+ if (lpane == XM_FAILURE)
+ {
+ XMenuDestroy (XDISPLAY menu);
+ *error = "Can't create pane";
+ return Qnil;
+ }
+ i += MENU_ITEMS_PANE_LENGTH;
}
-
- for (selidx = 0; selidx < line_cnt[panes]; selidx++)
+ else
{
- /* add the selection stuff to the menus */
- /* datap[selidx+sofar].pane = panes;
- datap[selidx+sofar].line = selidx; */
- if (XMenuAddSelection (XDISPLAY GXMenu, lpane, 0,
- line_list[panes][selidx],
- enable_list[panes][selidx])
+ /* Create a new item within current pane. */
+ Lisp_Object item_name, enable, descrip;
+
+ 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];
+ if (!NILP (descrip))
+ item_name = concat2 (item_name, descrip);
+
+ if (XMenuAddSelection (XDISPLAY menu, lpane, 0,
+ XSTRING (item_name)->data,
+ !NILP (enable))
== XM_FAILURE)
{
- XMenuDestroy (XDISPLAY GXMenu);
- /* free (datap); */
+ XMenuDestroy (XDISPLAY menu);
*error = "Can't add selection to menu";
- /* error ("Can't add selection to menu"); */
- UNBLOCK_INPUT;
- return (0);
+ return Qnil;
}
+ i += MENU_ITEMS_ITEM_LENGTH;
}
}
- /* all set and ready to fly */
- XMenuRecompute (XDISPLAY GXMenu);
+
+ /* All set and ready to fly. */
+ XMenuRecompute (XDISPLAY menu);
dispwidth = DisplayWidth (x_current_display, XDefaultScreen (x_current_display));
dispheight = DisplayHeight (x_current_display, XDefaultScreen (x_current_display));
- startx = min (startx, dispwidth);
- starty = min (starty, dispheight);
- startx = max (startx, 1);
- starty = max (starty, 1);
- XMenuLocate (XDISPLAY GXMenu, 0, 0, startx, starty,
+ x = min (x, dispwidth);
+ y = min (y, dispheight);
+ x = max (x, 1);
+ y = max (y, 1);
+ XMenuLocate (XDISPLAY menu, 0, 0, x, y,
&ulx, &uly, &width, &height);
if (ulx+width > dispwidth)
{
- startx -= (ulx + width) - dispwidth;
+ x -= (ulx + width) - dispwidth;
ulx = dispwidth - width;
}
if (uly+height > dispheight)
{
- starty -= (uly + height) - dispheight;
+ y -= (uly + height) - dispheight;
uly = dispheight - height;
}
- if (ulx < 0) startx -= ulx;
- if (uly < 0) starty -= uly;
+ if (ulx < 0) x -= ulx;
+ if (uly < 0) y -= uly;
- XMenuSetFreeze (GXMenu, TRUE);
- panes = selidx = 0;
+ XMenuSetFreeze (menu, TRUE);
+ pane = selidx = 0;
- status = XMenuActivate (XDISPLAY GXMenu, &panes, &selidx,
- startx, starty, ButtonReleaseMask, &datap);
+ status = XMenuActivate (XDISPLAY menu, &pane, &selidx,
+ x, y, ButtonReleaseMask, &datap);
switch (status)
{
case XM_SUCCESS:
#ifdef XDEBUG
fprintf (stderr, "pane= %d line = %d\n", panes, selidx);
#endif
- entry = item_list[panes][selidx];
- if (prefixes != 0)
- {
- entry = Fcons (entry, Qnil);
- if (!NILP (prefixes[panes]))
- entry = Fcons (prefixes[panes], entry);
- }
- break;
- case XM_FAILURE:
- /* free (datap_save); */
- XMenuDestroy (XDISPLAY GXMenu);
- *error = "Can't activate menu";
- /* error ("Can't activate menu"); */
- case XM_IA_SELECT:
- case XM_NO_SELECT:
- entry = Qnil;
- break;
- }
- XMenuDestroy (XDISPLAY GXMenu);
- UNBLOCK_INPUT;
- /* free (datap_save);*/
- return (entry);
-}
-#endif /* not USE_X_TOOLKIT */
-
-syms_of_xmenu ()
-{
- popup_id_tick = (1<<16);
- defsubr (&Sx_popup_menu);
-}
-\f
-/* Figure out the current keyboard equivalent of a menu item ITEM1.
- Store the equivalent key sequence in *SAVEDKEY_PTR
- and the textual description (to use in the menu display) in *DESCRIP_PTR.
- Also cache them in the item itself.
- Return the real definition to execute. */
-
-static Lisp_Object
-menu_item_equiv_key (item1, savedkey_ptr, descrip_ptr)
- Lisp_Object item1;
- Lisp_Object *savedkey_ptr, *descrip_ptr;
-{
- /* This is what is left after the menu item name. */
- Lisp_Object overdef;
- /* This is the real definition--the function to run. */
- Lisp_Object def;
- /* These are the saved equivalent keyboard key sequence
- and its key-description. */
- Lisp_Object savedkey, descrip;
- Lisp_Object def1;
- int changed = 0;
- overdef = def = Fcdr (item1);
-
- /* Get out the saved equivalent-keyboard-key info. */
- savedkey = descrip = Qnil;
- if (CONSP (overdef) && VECTORP (XCONS (overdef)->car))
- {
- savedkey = XCONS (overdef)->car;
- def = XCONS (def)->cdr;
- if (CONSP (def) && STRINGP (XCONS (def)->car))
+ /* Find the item number SELIDX in pane number PANE. */
+ i = 0;
+ while (i < menu_items_used)
{
- descrip = XCONS (def)->car;
- def = XCONS (def)->cdr;
- }
- }
-
- /* Is it still valid? */
- def1 = Qnil;
- if (!NILP (savedkey))
- def1 = Fkey_binding (savedkey, Qnil);
- /* If not, update it. */
- if (! EQ (def1, def))
- {
- changed = 1;
- descrip = Qnil;
- savedkey = Fwhere_is_internal (def, Qnil, Qt, Qnil);
- if (VECTORP (savedkey)
- && EQ (XVECTOR (savedkey)->contents[0], Qmenu_bar))
- savedkey = Qnil;
- if (!NILP (savedkey))
- {
- descrip = Fkey_description (savedkey);
- descrip = concat2 (make_string (" (", 3), descrip);
- descrip = concat2 (descrip, make_string (")", 1));
- }
- }
-
- /* Store back the recorded keyboard key sequence
- if we changed it. */
- if (!NILP (savedkey)
- && CONSP (overdef) && VECTORP (XCONS (overdef)->car))
- {
- if (changed)
- {
- XCONS (overdef)->car = savedkey;
- def1 = XCONS (overdef)->cdr;
- if (CONSP (def1) && STRINGP (XCONS (def1)->car))
- XCONS (def1)->car = descrip;
- }
- }
- /* If we had none but need one now, add it. */
- else if (!NILP (savedkey))
- XCONS (item1)->cdr
- = overdef = Fcons (savedkey, Fcons (descrip, def));
- /* If we had one but no longer should have one, delete it. */
- else if (CONSP (overdef) && VECTORP (XCONS (overdef)->car))
- {
- XCONS (item1)->cdr = overdef = XCONS (overdef)->cdr;
- if (CONSP (overdef) && STRINGP (XCONS (overdef)->car))
- XCONS (item1)->cdr = overdef = XCONS (overdef)->cdr;
- }
-
- *savedkey_ptr = savedkey;
- *descrip_ptr = descrip;
- return def;
-}
-\f
-/* Construct the vectors that describe a menu
- and store them in *VECTOR, *PANES, *NAMES, *ENABLES and *ITEMS.
- Each of those four values is a vector indexed by pane number.
- Return the number of panes.
-
- KEYMAPS is a vector of keymaps. NMAPS gives the length of KEYMAPS. */
-
-int
-keymap_panes (vector, panes, names, enables, items, prefixes, keymaps, nmaps)
- Lisp_Object ***vector; /* RETURN all menu objects */
- char ***panes; /* RETURN pane names */
- char ****names; /* RETURN all line names */
- int ***enables; /* RETURN enable-flags of lines */
- int **items; /* RETURN number of items per pane */
- Lisp_Object **prefixes; /* RETURN vector of prefix keys, per pane */
- Lisp_Object *keymaps;
- int nmaps;
-{
- /* Number of panes we have made. */
- int p = 0;
- /* Number of panes we have space for. */
- int npanes_allocated = nmaps;
- int mapno;
-
- if (npanes_allocated < 4)
- npanes_allocated = 4;
-
- /* Make space for an estimated number of panes. */
- *vector = (Lisp_Object **) xmalloc (npanes_allocated * sizeof (Lisp_Object *));
- *panes = (char **) xmalloc (npanes_allocated * sizeof (char *));
- *items = (int *) xmalloc (npanes_allocated * sizeof (int));
- *names = (char ***) xmalloc (npanes_allocated * sizeof (char **));
- *enables = (int **) xmalloc (npanes_allocated * sizeof (int *));
- *prefixes = (Lisp_Object *) xmalloc (npanes_allocated * sizeof (Lisp_Object));
-
- /* Loop over the given keymaps, making a pane for each map.
- 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], panes, vector, names, enables, items,
- prefixes, &p, &npanes_allocated, "");
-
- /* Return the number of panes. */
- return p;
-}
-
-/* This is used as the handler when calling internal_condition_case_1. */
-
-static Lisp_Object
-single_keymap_panes_1 (arg)
- Lisp_Object arg;
-{
- return Qnil;
-}
-
-/* This is a recursive subroutine of keymap_panes.
- It handles one keymap, KEYMAP.
- The other arguments are passed along
- or point to local variables of the previous function. */
-
-single_keymap_panes (keymap, panes, vector, names, enables, items, prefixes,
- p_ptr, npanes_allocated_ptr, pane_name)
- Lisp_Object keymap;
- Lisp_Object ***vector; /* RETURN all menu objects */
- char ***panes; /* RETURN pane names */
- char ****names; /* RETURN all line names */
- int ***enables; /* RETURN enable flags of lines */
- int **items; /* RETURN number of items per pane */
- Lisp_Object **prefixes; /* RETURN vector of prefix keys, per pane */
- int *p_ptr;
- int *npanes_allocated_ptr;
- char *pane_name;
-{
- int i;
- Lisp_Object pending_maps;
- Lisp_Object tail, item, item1, item_string, table;
- struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
-
- pending_maps = Qnil;
-
- /* Make sure we have room for another pane. */
- if (*p_ptr == *npanes_allocated_ptr)
- {
- *npanes_allocated_ptr *= 2;
-
- *vector
- = (Lisp_Object **) xrealloc (*vector,
- *npanes_allocated_ptr * sizeof (Lisp_Object *));
- *panes
- = (char **) xrealloc (*panes,
- *npanes_allocated_ptr * sizeof (char *));
- *items
- = (int *) xrealloc (*items,
- *npanes_allocated_ptr * sizeof (int));
- *prefixes
- = (Lisp_Object *) xrealloc (*prefixes,
- (*npanes_allocated_ptr
- * sizeof (Lisp_Object)));
- *names
- = (char ***) xrealloc (*names,
- *npanes_allocated_ptr * sizeof (char **));
- *enables
- = (int **) xrealloc (*enables,
- *npanes_allocated_ptr * sizeof (int *));
- }
-
- /* When a menu comes from keymaps, don't give names to the panes. */
- (*panes)[*p_ptr] = pane_name;
-
- /* Normally put nil as pane's prefix key.
- Caller will override this if appropriate. */
- (*prefixes)[*p_ptr] = Qnil;
-
- /* Get the length of the list level of the keymap. */
- i = XFASTINT (Flength (keymap));
-
- /* Add in lengths of any arrays. */
- for (tail = keymap; XTYPE (tail) == Lisp_Cons; tail = XCONS (tail)->cdr)
- if (XTYPE (XCONS (tail)->car) == Lisp_Vector)
- i += XVECTOR (XCONS (tail)->car)->size;
-
- /* Create vectors for the names and values of the items in the pane.
- I is an upper bound for the number of items. */
- (*vector)[*p_ptr] = (Lisp_Object *) xmalloc (i * sizeof (Lisp_Object));
- (*names)[*p_ptr] = (char **) xmalloc (i * sizeof (char *));
- (*enables)[*p_ptr] = (int *) xmalloc (i * sizeof (int));
-
- /* I is now the index of the next unused slots. */
- i = 0;
- for (tail = keymap; XTYPE (tail) == Lisp_Cons; tail = XCONS (tail)->cdr)
- {
- /* Look at each key binding, and if it has a menu string,
- make a menu item from it. */
- item = XCONS (tail)->car;
- if (XTYPE (item) == Lisp_Cons)
- {
- item1 = XCONS (item)->cdr;
- if (XTYPE (item1) == Lisp_Cons)
+ if (EQ (XVECTOR (menu_items)->contents[i], Qt))
{
- item_string = XCONS (item1)->car;
- if (XTYPE (item_string) == Lisp_String)
- {
- /* This is the real definition--the function to run. */
- Lisp_Object def;
- /* These are the saved equivalent keyboard key sequence
- and its key-description. */
- Lisp_Object savedkey, descrip;
- Lisp_Object tem, enabled;
-
- /* If a help string follows the item string,
- skip it. */
- if (CONSP (XCONS (item1)->cdr)
- && STRINGP (XCONS (XCONS (item1)->cdr)->car))
- item1 = XCONS (item1)->cdr;
-
- def = menu_item_equiv_key (item1, &savedkey, &descrip);
-
- enabled = Qt;
- if (XTYPE (def) == Lisp_Symbol)
- {
- /* No property, or nil, means enable.
- Otherwise, enable if value is not nil. */
- tem = Fget (def, Qmenu_enable);
- /* GCPRO because we will call eval.
- Protecting KEYMAP preserves everything we use;
- aside from that, must protect whatever might be
- a string. */
- GCPRO3 (keymap, def, descrip, item_string);
- if (!NILP (tem))
- /* (condition-case nil (eval tem)
- (error nil)) */
- enabled = internal_condition_case_1 (Feval, tem,
- Qerror,
- single_keymap_panes_1);
- UNGCPRO;
- }
- tem = Fkeymapp (def);
- if (XSTRING (item_string)->data[0] == '@' && !NILP (tem))
- pending_maps = Fcons (Fcons (def, Fcons (item_string, XCONS (item)->car)),
- pending_maps);
- else
- {
- Lisp_Object concat;
- if (!NILP (descrip))
- concat = concat2 (item_string, descrip);
- else
- concat = item_string;
- (*names)[*p_ptr][i] = (char *) XSTRING (concat)->data;
- /* The menu item "value" is the key bound here. */
- (*vector)[*p_ptr][i] = XCONS (item)->car;
- (*enables)[*p_ptr][i]
- = (NILP (def) ? -1 : !NILP (enabled) ? 1 : 0);
- i++;
- }
- }
+ if (pane == 0)
+ pane_prefix
+ = XVECTOR (menu_items)->contents[i + MENU_ITEMS_PANE_PREFIX];
+ pane--;
+ i += MENU_ITEMS_PANE_LENGTH;
}
- }
- else if (XTYPE (item) == Lisp_Vector)
- {
- /* Loop over the char values represented in the vector. */
- int len = XVECTOR (item)->size;
- int c;
- for (c = 0; c < len; c++)
+ else
{
- Lisp_Object character;
- XFASTINT (character) = c;
- item1 = XVECTOR (item)->contents[c];
- if (XTYPE (item1) == Lisp_Cons)
+ if (pane == -1)
{
- item_string = XCONS (item1)->car;
- if (XTYPE (item_string) == Lisp_String)
+ if (selidx == 0)
{
- Lisp_Object def;
-
- /* These are the saved equivalent keyboard key sequence
- and its key-description. */
- Lisp_Object savedkey, descrip;
- Lisp_Object tem, enabled;
-
- /* If a help string follows the item string,
- skip it. */
- if (CONSP (XCONS (item1)->cdr)
- && STRINGP (XCONS (XCONS (item1)->cdr)->car))
- item1 = XCONS (item1)->cdr;
-
- def = menu_item_equiv_key (item1, &savedkey, &descrip);
-
- enabled = Qt;
- if (XTYPE (def) == Lisp_Symbol)
- {
- tem = Fget (def, Qmenu_enable);
- /* GCPRO because we will call eval.
- Protecting KEYMAP preserves everything we use;
- aside from that, must protect whatever might be
- a string. */
- GCPRO3 (keymap, def, descrip, item_string);
- /* No property, or nil, means enable.
- Otherwise, enable if value is not nil. */
- if (!NILP (tem))
- /* (condition-case nil (eval tem)
- (error nil)) */
- enabled = internal_condition_case_1 (Feval, tem,
- Qerror,
- single_keymap_panes_1);
- UNGCPRO;
- }
-
- tem = Fkeymapp (def);
- if (XSTRING (item_string)->data[0] == '@' && !NILP (tem))
- pending_maps = Fcons (Fcons (def, Fcons (item_string, character)),
- pending_maps);
- else
+ entry
+ = XVECTOR (menu_items)->contents[i + MENU_ITEMS_ITEM_VALUE];
+ if (keymaps != 0)
{
- Lisp_Object concat;
- if (!NILP (descrip))
- concat = concat2 (item_string, descrip);
- else
- concat = item_string;
- (*names)[*p_ptr][i]
- = (char *) XSTRING (concat)->data;
- /* The menu item "value" is the key bound here. */
- (*vector)[*p_ptr][i] = character;
- (*enables)[*p_ptr][i]
- = (NILP (def) ? -1 : !NILP (enabled) ? 1 : 0);
- i++;
+ entry = Fcons (entry, Qnil);
+ if (!NILP (pane_prefix))
+ entry = Fcons (pane_prefix, entry);
}
+ break;
}
+ selidx--;
}
+ i += MENU_ITEMS_ITEM_LENGTH;
}
}
- }
- /* Record the number of items in the pane. */
- (*items)[*p_ptr] = i;
-
- /* If we just made an empty pane, get rid of it. */
- if (i == 0)
- {
- xfree ((*vector)[*p_ptr]);
- xfree ((*names)[*p_ptr]);
- xfree ((*enables)[*p_ptr]);
- }
- /* Otherwise, advance past it. */
- else
- (*p_ptr)++;
-
- /* Process now any submenus which want to be panes at this level. */
- while (!NILP (pending_maps))
- {
- Lisp_Object elt, eltcdr;
- int panenum = *p_ptr;
- elt = Fcar (pending_maps);
- eltcdr = XCONS (elt)->cdr;
- single_keymap_panes (Fcar (elt), panes, vector, names, enables, items,
- prefixes, p_ptr, npanes_allocated_ptr,
- /* Add 1 to discard the @. */
- (char *) XSTRING (XCONS (eltcdr)->car)->data + 1);
- (*prefixes)[panenum] = XCONS (eltcdr)->cdr;
- pending_maps = Fcdr (pending_maps);
- }
-}
-\f
-/* Construct the vectors that describe a menu
- and store them in *VECTOR, *PANES, *NAMES, *ENABLES and *ITEMS.
- Each of those four values is a vector indexed by pane number.
- Return the number of panes.
-
- MENU is the argument that was given to Fx_popup_menu. */
-
-int
-list_of_panes (vector, panes, names, enables, items, menu)
- Lisp_Object ***vector; /* RETURN all menu objects */
- char ***panes; /* RETURN pane names */
- char ****names; /* RETURN all line names */
- int ***enables; /* RETURN enable flags of lines */
- int **items; /* RETURN number of items per pane */
- Lisp_Object menu;
-{
- Lisp_Object tail, item, item1;
- int i;
-
- if (XTYPE (menu) != Lisp_Cons) menu = wrong_type_argument (Qlistp, menu);
-
- i = XFASTINT (Flength (menu));
-
- *vector = (Lisp_Object **) xmalloc (i * sizeof (Lisp_Object *));
- *panes = (char **) xmalloc (i * sizeof (char *));
- *items = (int *) xmalloc (i * sizeof (int));
- *names = (char ***) xmalloc (i * sizeof (char **));
- *enables = (int **) xmalloc (i * sizeof (int *));
+ break;
- for (i = 0, tail = menu; !NILP (tail); tail = Fcdr (tail), i++)
- {
- item = Fcdr (Fcar (tail));
- if (XTYPE (item) != Lisp_Cons) (void) wrong_type_argument (Qlistp, item);
-#ifdef XDEBUG
- fprintf (stderr, "list_of_panes check tail, i=%d\n", i);
-#endif
- item1 = Fcar (Fcar (tail));
- CHECK_STRING (item1, 1);
-#ifdef XDEBUG
- fprintf (stderr, "list_of_panes check pane, i=%d%s\n", i,
- XSTRING (item1)->data);
-#endif
- (*panes)[i] = (char *) XSTRING (item1)->data;
- (*items)[i] = list_of_items ((*vector)+i, (*names)+i, (*enables)+i, item);
- /* (*panes)[i] = (char *) xmalloc ((XSTRING (item1)->size)+1);
- bcopy (XSTRING (item1)->data, (*panes)[i], XSTRING (item1)->size + 1)
- ; */
+ case XM_FAILURE:
+ XMenuDestroy (XDISPLAY menu);
+ *error = "Can't activate menu";
+ case XM_IA_SELECT:
+ case XM_NO_SELECT:
+ entry = Qnil;
+ break;
}
- return i;
+ XMenuDestroy (XDISPLAY menu);
+ return entry;
}
+#endif /* not USE_X_TOOLKIT */
\f
-/* Construct the lists of values and names for a single pane, from the
- alist PANE. Put them in *VECTOR and *NAMES. Put the enable flags
- int *ENABLES. Return the number of items. */
-
-int
-list_of_items (vector, names, enables, pane)
- Lisp_Object **vector; /* RETURN menu "objects" */
- char ***names; /* RETURN line names */
- int **enables; /* RETURN enable flags of lines */
- Lisp_Object pane;
+syms_of_xmenu ()
{
- Lisp_Object tail, item, item1;
- int i;
-
- if (XTYPE (pane) != Lisp_Cons) pane = wrong_type_argument (Qlistp, pane);
-
- i = XFASTINT (Flength (pane));
+ staticpro (&menu_items);
+ menu_items = Qnil;
- *vector = (Lisp_Object *) xmalloc (i * sizeof (Lisp_Object));
- *names = (char **) xmalloc (i * sizeof (char *));
- *enables = (int *) xmalloc (i * sizeof (int));
-
- for (i = 0, tail = pane; !NILP (tail); tail = Fcdr (tail), i++)
- {
- item = Fcar (tail);
- if (STRINGP (item))
- {
- (*vector)[i] = Qnil;
- (*names)[i] = (char *) XSTRING (item)->data;
- (*enables)[i] = -1;
- }
- else
- {
- CHECK_CONS (item, 0);
- (*vector)[i] = Fcdr (item);
- item1 = Fcar (item);
- CHECK_STRING (item1, 1);
- (*names)[i] = (char *) XSTRING (item1)->data;
- (*enables)[i] = 1;
- }
- }
- return i;
+ popup_id_tick = (1<<16);
+ defsubr (&Sx_popup_menu);
}
projects / emacs.git / commitdiff