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
;
52 static guint menu_timeout_id
= 0;
54 static void menu_destroy_hash_value(ObMenu
*self
);
55 static void parse_menu_item(xmlNodePtr node
, gpointer data
);
56 static void parse_menu_separator(xmlNodePtr node
, gpointer data
);
57 static void parse_menu(xmlNodePtr node
, gpointer data
);
58 static gunichar
parse_shortcut(const gchar
*label
, gboolean allow_shortcut
,
59 gchar
**strippedlabel
, guint
*position
,
60 gboolean
*always_show
);
62 void menu_startup(gboolean reconfig
)
64 gboolean loaded
= FALSE
;
67 menu_hash
= g_hash_table_new_full(g_str_hash
, g_str_equal
, NULL
,
68 (GDestroyNotify
)menu_destroy_hash_value
);
70 client_list_menu_startup(reconfig
);
71 client_list_combined_menu_startup(reconfig
);
72 client_menu_startup();
74 menu_parse_inst
= obt_xml_instance_new();
76 menu_parse_state
.parent
= NULL
;
77 menu_parse_state
.pipe_creator
= NULL
;
78 obt_xml_register(menu_parse_inst
, "menu", parse_menu
, &menu_parse_state
);
79 obt_xml_register(menu_parse_inst
, "item", parse_menu_item
,
81 obt_xml_register(menu_parse_inst
, "separator",
82 parse_menu_separator
, &menu_parse_state
);
84 for (it
= config_menu_files
; it
; it
= g_slist_next(it
)) {
85 if (obt_xml_load_config_file(menu_parse_inst
,
91 obt_xml_tree_from_root(menu_parse_inst
);
92 obt_xml_close(menu_parse_inst
);
94 g_message(_("Unable to find a valid menu file \"%s\""),
95 (const gchar
*)it
->data
);
98 if (obt_xml_load_config_file(menu_parse_inst
,
103 obt_xml_tree_from_root(menu_parse_inst
);
104 obt_xml_close(menu_parse_inst
);
106 g_message(_("Unable to find a valid menu file \"%s\""),
110 g_assert(menu_parse_state
.parent
== NULL
);
113 void menu_shutdown(gboolean reconfig
)
115 obt_xml_instance_unref(menu_parse_inst
);
116 menu_parse_inst
= NULL
;
118 menu_frame_hide_all();
120 client_list_combined_menu_shutdown(reconfig
);
121 client_list_menu_shutdown(reconfig
);
123 g_hash_table_destroy(menu_hash
);
127 static gboolean
menu_pipe_submenu(gpointer key
, gpointer val
, gpointer data
)
130 return menu
->pipe_creator
!= NULL
;
133 static void clear_cache(gpointer key
, gpointer val
, gpointer data
)
137 menu_clear_entries(menu
);
140 void menu_clear_pipe_caches(void)
142 /* delete any pipe menus' submenus */
143 g_hash_table_foreach_remove(menu_hash
, menu_pipe_submenu
, NULL
);
144 /* empty the top level pipe menus */
145 g_hash_table_foreach(menu_hash
, clear_cache
, NULL
);
148 void menu_pipe_execute(ObMenu
*self
)
155 if (self
->entries
) /* the entries are already created and cached */
158 if (!g_spawn_command_line_sync(self
->execute
, &output
, NULL
, NULL
, &err
)) {
159 g_message(_("Failed to execute command for pipe-menu \"%s\": %s"),
160 self
->execute
, err
->message
);
165 if (obt_xml_load_mem(menu_parse_inst
, output
, strlen(output
),
166 "openbox_pipe_menu"))
168 menu_parse_state
.pipe_creator
= self
;
169 menu_parse_state
.parent
= self
;
170 obt_xml_tree_from_root(menu_parse_inst
);
171 obt_xml_close(menu_parse_inst
);
173 g_message(_("Invalid output from pipe-menu \"%s\""), self
->execute
);
179 static ObMenu
* menu_from_name(gchar
*name
)
183 g_assert(name
!= NULL
);
185 if (!(self
= g_hash_table_lookup(menu_hash
, name
)))
186 g_message(_("Attempted to access menu \"%s\" but it does not exist"),
191 #define VALID_SHORTCUT(c) (((c) >= '0' && (c) <= '9') || \
192 ((c) >= 'A' && (c) <= 'Z') || \
193 ((c) >= 'a' && (c) <= 'z'))
195 static gunichar
parse_shortcut(const gchar
*label
, gboolean allow_shortcut
,
196 gchar
**strippedlabel
, guint
*position
,
197 gboolean
*always_show
)
199 gunichar shortcut
= 0;
202 *always_show
= FALSE
;
204 g_assert(strippedlabel
!= NULL
);
207 *strippedlabel
= NULL
;
212 *strippedlabel
= g_strdup(label
);
214 /* if allow_shortcut is false, then you can't use the '_', instead you
215 have to just use the first valid character
218 /* allow __ to escape an underscore */
223 if (i
&& *(i
+1) == '_') {
226 /* remove the escape '_' from the string */
227 for (j
= i
; *j
!= '\0'; ++j
)
235 if (allow_shortcut
&& i
!= NULL
) {
236 /* there is an underscore in the string */
238 /* you have to use a printable ascii character for shortcuts
239 don't allow space either, so you can have like "a _ b"
241 if (VALID_SHORTCUT(*(i
+1))) {
242 shortcut
= g_unichar_tolower(g_utf8_get_char(i
+1));
243 *position
= i
- *strippedlabel
;
246 /* remove the '_' from the string */
247 for (; *i
!= '\0'; ++i
)
249 } else if (*(i
+1) == '\0') {
250 /* no default shortcut if the '_' is the last character
251 (eg. "Exit_") for menu entries that you don't want
252 to be executed by mistake
257 /* there is no underscore, so find the first valid character to use
260 for (i
= *strippedlabel
; *i
!= '\0'; ++i
)
261 if (VALID_SHORTCUT(*i
)) {
262 *position
= i
- *strippedlabel
;
263 shortcut
= g_unichar_tolower(g_utf8_get_char(i
));
271 static void parse_menu_item(xmlNodePtr node
, gpointer data
)
273 ObMenuParseState
*state
= data
;
279 /* Don't try to extract "icon" attribute if icons in user-defined
280 menus are not enabled. */
282 if (obt_xml_attr_string(node
, "label", &label
)) {
286 c
= obt_xml_find_node(node
->children
, "action");
288 ObActionsAct
*action
= actions_parse(c
);
290 acts
= g_slist_append(acts
, action
);
291 c
= obt_xml_find_node(c
->next
, "action");
293 e
= menu_add_normal(state
->parent
, -1, label
, acts
, TRUE
);
295 if (config_menu_show_icons
&&
296 obt_xml_attr_string(node
, "icon", &icon
))
298 e
->data
.normal
.icon
= RrImageNewFromName(ob_rr_icons
, icon
);
300 if (e
->data
.normal
.icon
)
301 e
->data
.normal
.icon_alpha
= 0xff;
310 static void parse_menu_separator(xmlNodePtr node
, gpointer data
)
312 ObMenuParseState
*state
= data
;
317 if (!obt_xml_attr_string(node
, "label", &label
))
320 menu_add_separator(state
->parent
, -1, label
);
325 static void parse_menu(xmlNodePtr node
, gpointer data
)
327 ObMenuParseState
*state
= data
;
328 gchar
*name
= NULL
, *title
= NULL
, *script
= NULL
;
333 if (!obt_xml_attr_string(node
, "id", &name
))
334 goto parse_menu_fail
;
336 if (!g_hash_table_lookup(menu_hash
, name
)) {
337 if (!obt_xml_attr_string(node
, "label", &title
))
338 goto parse_menu_fail
;
340 if ((menu
= menu_new(name
, title
, TRUE
, NULL
))) {
341 menu
->pipe_creator
= state
->pipe_creator
;
342 if (obt_xml_attr_string(node
, "execute", &script
)) {
343 menu
->execute
= obt_paths_expand_tilde(script
);
348 state
->parent
= menu
;
349 obt_xml_tree(menu_parse_inst
, node
->children
);
356 e
= menu_add_submenu(state
->parent
, -1, name
);
358 if (config_menu_show_icons
&&
359 obt_xml_attr_string(node
, "icon", &icon
))
361 e
->data
.submenu
.icon
= RrImageNewFromName(ob_rr_icons
, icon
);
363 if (e
->data
.submenu
.icon
)
364 e
->data
.submenu
.icon_alpha
= 0xff;
376 ObMenu
* menu_new(const gchar
*name
, const gchar
*title
,
377 gboolean allow_shortcut_selection
, gpointer data
)
381 self
= g_slice_new0(ObMenu
);
382 self
->name
= g_strdup(name
);
385 self
->shortcut
= parse_shortcut(title
, allow_shortcut_selection
,
386 &self
->title
, &self
->shortcut_position
,
387 &self
->shortcut_always_show
);
389 g_hash_table_replace(menu_hash
, self
->name
, self
);
391 /* Each menu has a single more_menu. When the menu spills past what
392 can fit on the screen, a new menu frame entry is created from this
393 more_menu, and a new menu frame for the submenu is created for this
394 menu, also pointing to the more_menu.
396 This can be done multiple times using the same more_menu.
398 more_menu->more_menu will always be NULL, since there is only 1 for
400 self
->more_menu
= g_slice_new0(ObMenu
);
401 self
->more_menu
->name
= _("More...");
402 self
->more_menu
->title
= _("More...");
403 self
->more_menu
->data
= data
;
404 self
->more_menu
->shortcut
= g_unichar_tolower(g_utf8_get_char("M"));
409 static void menu_destroy_hash_value(ObMenu
*self
)
411 /* make sure its not visible */
416 for (it
= menu_frame_visible
; it
; it
= g_list_next(it
)) {
419 menu_frame_hide_all();
423 if (self
->destroy_func
)
424 self
->destroy_func(self
, self
->data
);
426 menu_clear_entries(self
);
429 g_free(self
->execute
);
430 g_slice_free(ObMenu
, self
->more_menu
);
432 g_slice_free(ObMenu
, self
);
435 void menu_free(ObMenu
*menu
)
438 g_hash_table_remove(menu_hash
, menu
->name
);
441 static gboolean
menu_hide_delay_func(gpointer data
)
443 menu_can_hide
= TRUE
;
445 return FALSE
; /* no repeat */
448 void menu_show(gchar
*name
, gint x
, gint y
, gboolean mouse
, ObClient
*client
)
453 if (!(self
= menu_from_name(name
)) ||
454 grab_on_keyboard() || grab_on_pointer()) return;
456 /* if the requested menu is already the top visible menu, then don't
458 if (menu_frame_visible
) {
459 frame
= menu_frame_visible
->data
;
460 if (frame
->menu
== self
)
464 menu_frame_hide_all();
466 /* clear the pipe menus when showing a new menu */
467 menu_clear_pipe_caches();
469 frame
= menu_frame_new(self
, 0, client
);
470 if (!menu_frame_show_topmenu(frame
, x
, y
, mouse
))
471 menu_frame_free(frame
);
474 /* select the first entry if it's not a submenu and we opened
475 * the menu with the keyboard, and skip all headers */
476 GList
*it
= frame
->entries
;
478 ObMenuEntryFrame
*e
= it
->data
;
479 if (e
->entry
->type
== OB_MENU_ENTRY_TYPE_NORMAL
) {
480 menu_frame_select(frame
, e
, FALSE
);
482 } else if (e
->entry
->type
== OB_MENU_ENTRY_TYPE_SEPARATOR
)
483 it
= g_list_next(it
);
489 /* reset the hide timer */
491 menu_can_hide
= TRUE
;
493 menu_can_hide
= FALSE
;
494 if (menu_timeout_id
) g_source_remove(menu_timeout_id
);
495 menu_timeout_id
= g_timeout_add_full(G_PRIORITY_DEFAULT
,
496 config_menu_hide_delay
,
497 menu_hide_delay_func
,
503 gboolean
menu_hide_delay_reached(void)
505 return menu_can_hide
;
508 static ObMenuEntry
* menu_entry_new(ObMenu
*menu
, ObMenuEntryType type
, gint id
)
514 self
= g_slice_new0(ObMenuEntry
);
521 case OB_MENU_ENTRY_TYPE_NORMAL
:
522 self
->data
.normal
.enabled
= TRUE
;
524 case OB_MENU_ENTRY_TYPE_SUBMENU
:
525 case OB_MENU_ENTRY_TYPE_SEPARATOR
:
532 void menu_entry_ref(ObMenuEntry
*self
)
537 void menu_entry_unref(ObMenuEntry
*self
)
539 if (self
&& --self
->ref
== 0) {
540 switch (self
->type
) {
541 case OB_MENU_ENTRY_TYPE_NORMAL
:
542 RrImageUnref(self
->data
.normal
.icon
);
543 g_free(self
->data
.normal
.label
);
544 while (self
->data
.normal
.actions
) {
545 actions_act_unref(self
->data
.normal
.actions
->data
);
546 self
->data
.normal
.actions
=
547 g_slist_delete_link(self
->data
.normal
.actions
,
548 self
->data
.normal
.actions
);
551 case OB_MENU_ENTRY_TYPE_SUBMENU
:
552 RrImageUnref(self
->data
.submenu
.icon
);
553 g_free(self
->data
.submenu
.name
);
555 case OB_MENU_ENTRY_TYPE_SEPARATOR
:
556 g_free(self
->data
.separator
.label
);
560 g_slice_free(ObMenuEntry
, self
);
564 void menu_clear_entries(ObMenu
*self
)
567 /* assert that the menu isn't visible */
572 for (it
= menu_frame_visible
; it
; it
= g_list_next(it
)) {
574 g_assert(f
->menu
!= self
);
579 while (self
->entries
) {
580 menu_entry_unref(self
->entries
->data
);
581 self
->entries
= g_list_delete_link(self
->entries
, self
->entries
);
583 self
->more_menu
->entries
= self
->entries
; /* keep it in sync */
586 void menu_entry_remove(ObMenuEntry
*self
)
588 self
->menu
->entries
= g_list_remove(self
->menu
->entries
, self
);
589 menu_entry_unref(self
);
592 ObMenuEntry
* menu_add_normal(ObMenu
*self
, gint id
, const gchar
*label
,
593 GSList
*actions
, gboolean allow_shortcut
)
597 e
= menu_entry_new(self
, OB_MENU_ENTRY_TYPE_NORMAL
, id
);
598 e
->data
.normal
.actions
= actions
;
600 menu_entry_set_label(e
, label
, allow_shortcut
);
602 self
->entries
= g_list_append(self
->entries
, e
);
603 self
->more_menu
->entries
= self
->entries
; /* keep it in sync */
607 ObMenuEntry
* menu_get_more(ObMenu
*self
, guint show_from
)
610 e
= menu_entry_new(self
, OB_MENU_ENTRY_TYPE_SUBMENU
, -1);
611 /* points to itself */
612 e
->data
.submenu
.name
= g_strdup(self
->name
);
613 e
->data
.submenu
.submenu
= self
;
614 e
->data
.submenu
.show_from
= show_from
;
618 ObMenuEntry
* menu_add_submenu(ObMenu
*self
, gint id
, const gchar
*submenu
)
622 e
= menu_entry_new(self
, OB_MENU_ENTRY_TYPE_SUBMENU
, id
);
623 e
->data
.submenu
.name
= g_strdup(submenu
);
625 self
->entries
= g_list_append(self
->entries
, e
);
626 self
->more_menu
->entries
= self
->entries
; /* keep it in sync */
630 ObMenuEntry
* menu_add_separator(ObMenu
*self
, gint id
, const gchar
*label
)
634 e
= menu_entry_new(self
, OB_MENU_ENTRY_TYPE_SEPARATOR
, id
);
636 menu_entry_set_label(e
, label
, FALSE
);
638 self
->entries
= g_list_append(self
->entries
, e
);
639 self
->more_menu
->entries
= self
->entries
; /* keep it in sync */
643 void menu_set_show_func(ObMenu
*self
, ObMenuShowFunc func
)
645 self
->show_func
= func
;
648 void menu_set_hide_func(ObMenu
*self
, ObMenuHideFunc func
)
650 self
->hide_func
= func
;
653 void menu_set_update_func(ObMenu
*self
, ObMenuUpdateFunc func
)
655 self
->update_func
= func
;
658 void menu_set_execute_func(ObMenu
*self
, ObMenuExecuteFunc func
)
660 self
->execute_func
= func
;
661 self
->more_menu
->execute_func
= func
; /* keep it in sync */
664 void menu_set_cleanup_func(ObMenu
*self
, ObMenuCleanupFunc func
)
666 self
->cleanup_func
= func
;
669 void menu_set_destroy_func(ObMenu
*self
, ObMenuDestroyFunc func
)
671 self
->destroy_func
= func
;
674 void menu_set_place_func(ObMenu
*self
, ObMenuPlaceFunc func
)
676 self
->place_func
= func
;
679 ObMenuEntry
* menu_find_entry_id(ObMenu
*self
, gint id
)
681 ObMenuEntry
*ret
= NULL
;
684 for (it
= self
->entries
; it
; it
= g_list_next(it
)) {
685 ObMenuEntry
*e
= it
->data
;
695 void menu_find_submenus(ObMenu
*self
)
699 for (it
= self
->entries
; it
; it
= g_list_next(it
)) {
700 ObMenuEntry
*e
= it
->data
;
702 if (e
->type
== OB_MENU_ENTRY_TYPE_SUBMENU
)
703 e
->data
.submenu
.submenu
= menu_from_name(e
->data
.submenu
.name
);
707 void menu_entry_set_label(ObMenuEntry
*self
, const gchar
*label
,
708 gboolean allow_shortcut
)
710 switch (self
->type
) {
711 case OB_MENU_ENTRY_TYPE_SEPARATOR
:
712 g_free(self
->data
.separator
.label
);
713 self
->data
.separator
.label
= g_strdup(label
);
715 case OB_MENU_ENTRY_TYPE_NORMAL
:
716 g_free(self
->data
.normal
.label
);
717 self
->data
.normal
.shortcut
=
718 parse_shortcut(label
, allow_shortcut
, &self
->data
.normal
.label
,
719 &self
->data
.normal
.shortcut_position
,
720 &self
->data
.normal
.shortcut_always_show
);
723 g_assert_not_reached();
727 void menu_show_all_shortcuts(ObMenu
*self
, gboolean show
)
729 self
->show_all_shortcuts
= show
;