1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 menu.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 See the COPYING file for a copy of the GNU General Public License.
29 #include "menuframe.h"
33 #include "client_menu.h"
34 #include "client_list_menu.h"
35 #include "client_list_combined_menu.h"
38 #include "obt/paths.h"
40 typedef struct _ObMenuParseState ObMenuParseState
;
42 struct _ObMenuParseState
48 static GHashTable
*menu_hash
= NULL
;
49 static ObtXmlInst
*menu_parse_inst
;
50 static ObMenuParseState menu_parse_state
;
51 static gboolean menu_can_hide
= FALSE
;
53 static void menu_destroy_hash_value(ObMenu
*self
);
54 static void parse_menu_item(xmlNodePtr node
, gpointer data
);
55 static void parse_menu_separator(xmlNodePtr node
, gpointer data
);
56 static void parse_menu(xmlNodePtr node
, gpointer data
);
57 static gunichar
parse_shortcut(const gchar
*label
, gboolean allow_shortcut
,
58 gchar
**strippedlabel
, guint
*position
,
59 gboolean
*always_show
);
61 static void client_dest(ObClient
*client
, gpointer data
)
63 /* menus can be associated with a client, so close any that are since
64 we are disappearing now */
65 menu_frame_hide_all_client(client
);
68 void menu_startup(gboolean reconfig
)
70 gboolean loaded
= FALSE
;
73 menu_hash
= g_hash_table_new_full(g_str_hash
, g_str_equal
, NULL
,
74 (GDestroyNotify
)menu_destroy_hash_value
);
76 client_list_menu_startup(reconfig
);
77 client_list_combined_menu_startup(reconfig
);
78 client_menu_startup();
80 menu_parse_inst
= obt_xml_instance_new();
82 menu_parse_state
.parent
= NULL
;
83 menu_parse_state
.pipe_creator
= NULL
;
84 obt_xml_register(menu_parse_inst
, "menu", parse_menu
, &menu_parse_state
);
85 obt_xml_register(menu_parse_inst
, "item", parse_menu_item
,
87 obt_xml_register(menu_parse_inst
, "separator",
88 parse_menu_separator
, &menu_parse_state
);
90 for (it
= config_menu_files
; it
; it
= g_slist_next(it
)) {
91 if (obt_xml_load_config_file(menu_parse_inst
,
97 obt_xml_tree_from_root(menu_parse_inst
);
98 obt_xml_close(menu_parse_inst
);
100 g_message(_("Unable to find a valid menu file \"%s\""),
101 (const gchar
*)it
->data
);
104 if (obt_xml_load_config_file(menu_parse_inst
,
109 obt_xml_tree_from_root(menu_parse_inst
);
110 obt_xml_close(menu_parse_inst
);
112 g_message(_("Unable to find a valid menu file \"%s\""),
116 g_assert(menu_parse_state
.parent
== NULL
);
119 client_add_destroy_notify(client_dest
, NULL
);
122 void menu_shutdown(gboolean reconfig
)
125 client_remove_destroy_notify(client_dest
);
127 obt_xml_instance_unref(menu_parse_inst
);
128 menu_parse_inst
= NULL
;
130 client_list_menu_shutdown(reconfig
);
131 client_list_combined_menu_shutdown(reconfig
);
133 menu_frame_hide_all();
134 g_hash_table_destroy(menu_hash
);
138 static gboolean
menu_pipe_submenu(gpointer key
, gpointer val
, gpointer data
)
141 return menu
->pipe_creator
!= NULL
;
144 static void clear_cache(gpointer key
, gpointer val
, gpointer data
)
148 menu_clear_entries(menu
);
151 void menu_clear_pipe_caches(void)
153 /* delete any pipe menus' submenus */
154 g_hash_table_foreach_remove(menu_hash
, menu_pipe_submenu
, NULL
);
155 /* empty the top level pipe menus */
156 g_hash_table_foreach(menu_hash
, clear_cache
, NULL
);
159 void menu_pipe_execute(ObMenu
*self
)
166 if (self
->entries
) /* the entries are already created and cached */
169 if (!g_spawn_command_line_sync(self
->execute
, &output
, NULL
, NULL
, &err
)) {
170 g_message(_("Failed to execute command for pipe-menu \"%s\": %s"),
171 self
->execute
, err
->message
);
176 if (obt_xml_load_mem(menu_parse_inst
, output
, strlen(output
),
177 "openbox_pipe_menu"))
179 menu_parse_state
.pipe_creator
= self
;
180 menu_parse_state
.parent
= self
;
181 obt_xml_tree_from_root(menu_parse_inst
);
182 obt_xml_close(menu_parse_inst
);
184 g_message(_("Invalid output from pipe-menu \"%s\""), self
->execute
);
190 static ObMenu
* menu_from_name(gchar
*name
)
194 g_assert(name
!= NULL
);
196 if (!(self
= g_hash_table_lookup(menu_hash
, name
)))
197 g_message(_("Attempted to access menu \"%s\" but it does not exist"),
202 #define VALID_SHORTCUT(c) (((c) >= '0' && (c) <= '9') || \
203 ((c) >= 'A' && (c) <= 'Z') || \
204 ((c) >= 'a' && (c) <= 'z'))
206 static gunichar
parse_shortcut(const gchar
*label
, gboolean allow_shortcut
,
207 gchar
**strippedlabel
, guint
*position
,
208 gboolean
*always_show
)
210 gunichar shortcut
= 0;
213 *always_show
= FALSE
;
215 g_assert(strippedlabel
!= NULL
);
218 *strippedlabel
= NULL
;
222 *strippedlabel
= g_strdup(label
);
224 /* if allow_shortcut is false, then you can't use the '_', instead you
225 have to just use the first valid character
228 i
= strchr(*strippedlabel
, '_');
229 if (allow_shortcut
&& i
!= NULL
) {
230 /* there is an underscore in the string */
232 /* you have to use a printable ascii character for shortcuts
233 don't allow space either, so you can have like "a _ b"
235 if (VALID_SHORTCUT(*(i
+1)) || *(i
+1) == '_') {
236 /* Allow you to escape the first _ by putting __ */
238 shortcut
= g_unichar_tolower(g_utf8_get_char(i
+1));
239 *position
= i
- *strippedlabel
;
243 /* remove the '_' from the string */
244 for (; *i
!= '\0'; ++i
)
246 } else if (*(i
+1) == '\0') {
247 /* no default shortcut if the '_' is the last character
248 (eg. "Exit_") for menu entries that you don't want
249 to be executed by mistake
254 /* there is no underscore, so find the first valid character to use
257 for (i
= *strippedlabel
; *i
!= '\0'; ++i
)
258 if (VALID_SHORTCUT(*i
)) {
259 *position
= i
- *strippedlabel
;
260 shortcut
= g_unichar_tolower(g_utf8_get_char(i
));
268 static void parse_menu_item(xmlNodePtr node
, gpointer data
)
270 ObMenuParseState
*state
= data
;
276 /* Don't try to extract "icon" attribute if icons in user-defined
277 menus are not enabled. */
279 if (obt_xml_attr_string(node
, "label", &label
)) {
283 c
= obt_xml_find_node(node
->children
, "action");
285 ObActionsAct
*action
= actions_parse(c
);
287 acts
= g_slist_append(acts
, action
);
288 c
= obt_xml_find_node(node
->next
, "action");
290 e
= menu_add_normal(state
->parent
, -1, label
, acts
, TRUE
);
292 if (config_menu_show_icons
&&
293 obt_xml_attr_string(node
, "icon", &icon
))
297 ic
= RrImageCacheFindName(ob_rr_icons
, icon
);
301 ic
= RrImageNew(ob_rr_icons
);
302 if (!RrImageAddPictureName(ic
, icon
))
303 RrImageUnref(ic
); /* no need to keep it around */
305 e
->data
.normal
.icon
= ic
;
307 if (e
->data
.normal
.icon
)
308 e
->data
.normal
.icon_alpha
= 0xff;
317 static void parse_menu_separator(xmlNodePtr node
, gpointer data
)
319 ObMenuParseState
*state
= data
;
324 if (!obt_xml_attr_string(node
, "label", &label
))
327 menu_add_separator(state
->parent
, -1, label
);
332 static void parse_menu(xmlNodePtr node
, gpointer data
)
334 ObMenuParseState
*state
= data
;
335 gchar
*name
= NULL
, *title
= NULL
, *script
= NULL
;
338 if (!obt_xml_attr_string(node
, "id", &name
))
339 goto parse_menu_fail
;
341 if (!g_hash_table_lookup(menu_hash
, name
)) {
342 if (!obt_xml_attr_string(node
, "label", &title
))
343 goto parse_menu_fail
;
345 if ((menu
= menu_new(name
, title
, TRUE
, NULL
))) {
346 menu
->pipe_creator
= state
->pipe_creator
;
347 if (obt_xml_attr_string(node
, "execute", &script
)) {
348 menu
->execute
= obt_paths_expand_tilde(script
);
353 state
->parent
= menu
;
354 obt_xml_tree(menu_parse_inst
, node
->children
);
361 menu_add_submenu(state
->parent
, -1, name
);
369 ObMenu
* menu_new(const gchar
*name
, const gchar
*title
,
370 gboolean allow_shortcut_selection
, gpointer data
)
374 self
= g_new0(ObMenu
, 1);
375 self
->name
= g_strdup(name
);
378 self
->shortcut
= parse_shortcut(title
, allow_shortcut_selection
,
379 &self
->title
, &self
->shortcut_position
,
380 &self
->shortcut_always_show
);
382 g_hash_table_replace(menu_hash
, self
->name
, self
);
384 /* Each menu has a single more_menu. When the menu spills past what
385 can fit on the screen, a new menu frame entry is created from this
386 more_menu, and a new menu frame for the submenu is created for this
387 menu, also pointing to the more_menu.
389 This can be done multiple times using the same more_menu.
391 more_menu->more_menu will always be NULL, since there is only 1 for
393 self
->more_menu
= g_new0(ObMenu
, 1);
394 self
->more_menu
->name
= _("More...");
395 self
->more_menu
->title
= _("More...");
396 self
->more_menu
->data
= data
;
397 self
->more_menu
->shortcut
= g_unichar_tolower(g_utf8_get_char("M"));
402 static void menu_destroy_hash_value(ObMenu
*self
)
404 /* make sure its not visible */
409 for (it
= menu_frame_visible
; it
; it
= g_list_next(it
)) {
412 menu_frame_hide_all();
416 if (self
->destroy_func
)
417 self
->destroy_func(self
, self
->data
);
419 menu_clear_entries(self
);
422 g_free(self
->execute
);
423 g_free(self
->more_menu
);
428 void menu_free(ObMenu
*menu
)
431 g_hash_table_remove(menu_hash
, menu
->name
);
434 static gboolean
menu_hide_delay_func(gpointer data
)
436 menu_can_hide
= TRUE
;
437 return FALSE
; /* no repeat */
440 void menu_show(gchar
*name
, gint x
, gint y
, gboolean mouse
, ObClient
*client
)
445 if (!(self
= menu_from_name(name
)) ||
446 grab_on_keyboard() || grab_on_pointer()) return;
448 /* if the requested menu is already the top visible menu, then don't
450 if (menu_frame_visible
) {
451 frame
= menu_frame_visible
->data
;
452 if (frame
->menu
== self
)
456 menu_frame_hide_all();
458 /* clear the pipe menus when showing a new menu */
459 menu_clear_pipe_caches();
461 frame
= menu_frame_new(self
, 0, client
);
462 if (!menu_frame_show_topmenu(frame
, x
, y
, mouse
))
463 menu_frame_free(frame
);
466 /* select the first entry if it's not a submenu and we opened
467 * the menu with the keyboard, and skip all headers */
468 GList
*it
= frame
->entries
;
470 ObMenuEntryFrame
*e
= it
->data
;
471 if (e
->entry
->type
== OB_MENU_ENTRY_TYPE_NORMAL
) {
472 menu_frame_select(frame
, e
, FALSE
);
474 } else if (e
->entry
->type
== OB_MENU_ENTRY_TYPE_SEPARATOR
)
475 it
= g_list_next(it
);
481 /* reset the hide timer */
483 menu_can_hide
= TRUE
;
485 menu_can_hide
= FALSE
;
486 obt_main_loop_timeout_add(ob_main_loop
,
487 config_menu_hide_delay
* 1000,
488 menu_hide_delay_func
,
489 NULL
, g_direct_equal
, NULL
);
494 gboolean
menu_hide_delay_reached(void)
496 return menu_can_hide
;
499 static ObMenuEntry
* menu_entry_new(ObMenu
*menu
, ObMenuEntryType type
, gint id
)
505 self
= g_new0(ObMenuEntry
, 1);
512 case OB_MENU_ENTRY_TYPE_NORMAL
:
513 self
->data
.normal
.enabled
= TRUE
;
515 case OB_MENU_ENTRY_TYPE_SUBMENU
:
516 case OB_MENU_ENTRY_TYPE_SEPARATOR
:
523 void menu_entry_ref(ObMenuEntry
*self
)
528 void menu_entry_unref(ObMenuEntry
*self
)
530 if (self
&& --self
->ref
== 0) {
531 switch (self
->type
) {
532 case OB_MENU_ENTRY_TYPE_NORMAL
:
533 RrImageUnref(self
->data
.normal
.icon
);
534 g_free(self
->data
.normal
.label
);
535 while (self
->data
.normal
.actions
) {
536 actions_act_unref(self
->data
.normal
.actions
->data
);
537 self
->data
.normal
.actions
=
538 g_slist_delete_link(self
->data
.normal
.actions
,
539 self
->data
.normal
.actions
);
542 case OB_MENU_ENTRY_TYPE_SUBMENU
:
543 g_free(self
->data
.submenu
.name
);
545 case OB_MENU_ENTRY_TYPE_SEPARATOR
:
546 g_free(self
->data
.separator
.label
);
554 void menu_clear_entries(ObMenu
*self
)
557 /* assert that the menu isn't visible */
562 for (it
= menu_frame_visible
; it
; it
= g_list_next(it
)) {
564 g_assert(f
->menu
!= self
);
569 while (self
->entries
) {
570 menu_entry_unref(self
->entries
->data
);
571 self
->entries
= g_list_delete_link(self
->entries
, self
->entries
);
573 self
->more_menu
->entries
= self
->entries
; /* keep it in sync */
576 void menu_entry_remove(ObMenuEntry
*self
)
578 self
->menu
->entries
= g_list_remove(self
->menu
->entries
, self
);
579 menu_entry_unref(self
);
582 ObMenuEntry
* menu_add_normal(ObMenu
*self
, gint id
, const gchar
*label
,
583 GSList
*actions
, gboolean allow_shortcut
)
587 e
= menu_entry_new(self
, OB_MENU_ENTRY_TYPE_NORMAL
, id
);
588 e
->data
.normal
.actions
= actions
;
590 menu_entry_set_label(e
, label
, allow_shortcut
);
592 self
->entries
= g_list_append(self
->entries
, e
);
593 self
->more_menu
->entries
= self
->entries
; /* keep it in sync */
597 ObMenuEntry
* menu_get_more(ObMenu
*self
, guint show_from
)
600 e
= menu_entry_new(self
, OB_MENU_ENTRY_TYPE_SUBMENU
, -1);
601 /* points to itself */
602 e
->data
.submenu
.name
= g_strdup(self
->name
);
603 e
->data
.submenu
.submenu
= self
;
604 e
->data
.submenu
.show_from
= show_from
;
608 ObMenuEntry
* menu_add_submenu(ObMenu
*self
, gint id
, const gchar
*submenu
)
612 e
= menu_entry_new(self
, OB_MENU_ENTRY_TYPE_SUBMENU
, id
);
613 e
->data
.submenu
.name
= g_strdup(submenu
);
615 self
->entries
= g_list_append(self
->entries
, e
);
616 self
->more_menu
->entries
= self
->entries
; /* keep it in sync */
620 ObMenuEntry
* menu_add_separator(ObMenu
*self
, gint id
, const gchar
*label
)
624 e
= menu_entry_new(self
, OB_MENU_ENTRY_TYPE_SEPARATOR
, id
);
626 menu_entry_set_label(e
, label
, FALSE
);
628 self
->entries
= g_list_append(self
->entries
, e
);
629 self
->more_menu
->entries
= self
->entries
; /* keep it in sync */
633 void menu_set_show_func(ObMenu
*self
, ObMenuShowFunc func
)
635 self
->show_func
= func
;
638 void menu_set_hide_func(ObMenu
*self
, ObMenuHideFunc func
)
640 self
->hide_func
= func
;
643 void menu_set_update_func(ObMenu
*self
, ObMenuUpdateFunc func
)
645 self
->update_func
= func
;
648 void menu_set_execute_func(ObMenu
*self
, ObMenuExecuteFunc func
)
650 self
->execute_func
= func
;
651 self
->more_menu
->execute_func
= func
; /* keep it in sync */
654 void menu_set_destroy_func(ObMenu
*self
, ObMenuDestroyFunc func
)
656 self
->destroy_func
= func
;
659 void menu_set_place_func(ObMenu
*self
, ObMenuPlaceFunc func
)
661 self
->place_func
= func
;
664 ObMenuEntry
* menu_find_entry_id(ObMenu
*self
, gint id
)
666 ObMenuEntry
*ret
= NULL
;
669 for (it
= self
->entries
; it
; it
= g_list_next(it
)) {
670 ObMenuEntry
*e
= it
->data
;
680 void menu_find_submenus(ObMenu
*self
)
684 for (it
= self
->entries
; it
; it
= g_list_next(it
)) {
685 ObMenuEntry
*e
= it
->data
;
687 if (e
->type
== OB_MENU_ENTRY_TYPE_SUBMENU
)
688 e
->data
.submenu
.submenu
= menu_from_name(e
->data
.submenu
.name
);
692 void menu_entry_set_label(ObMenuEntry
*self
, const gchar
*label
,
693 gboolean allow_shortcut
)
695 switch (self
->type
) {
696 case OB_MENU_ENTRY_TYPE_SEPARATOR
:
697 g_free(self
->data
.separator
.label
);
698 self
->data
.separator
.label
= g_strdup(label
);
700 case OB_MENU_ENTRY_TYPE_NORMAL
:
701 g_free(self
->data
.normal
.label
);
702 self
->data
.normal
.shortcut
=
703 parse_shortcut(label
, allow_shortcut
, &self
->data
.normal
.label
,
704 &self
->data
.normal
.shortcut_position
,
705 &self
->data
.normal
.shortcut_always_show
);
708 g_assert_not_reached();
712 void menu_show_all_shortcuts(ObMenu
*self
, gboolean show
)
714 self
->show_all_shortcuts
= show
;