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.
27 #include "menuframe.h"
31 #include "client_menu.h"
32 #include "client_list_menu.h"
33 #include "client_list_combined_menu.h"
35 #include "parser/parse.h"
37 typedef struct _ObMenuParseState ObMenuParseState;
39 struct _ObMenuParseState
45 static GHashTable *menu_hash = NULL;
46 static ObParseInst *menu_parse_inst;
47 static ObMenuParseState menu_parse_state;
49 static void menu_destroy_hash_value(ObMenu *self);
50 static void parse_menu_item(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node,
52 static void parse_menu_separator(ObParseInst *i,
53 xmlDocPtr doc, xmlNodePtr node,
55 static void parse_menu(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node,
57 static gunichar parse_shortcut(const gchar *label, gboolean allow_shortcut,
58 gchar **strippedlabel, guint *position);
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)
72 gboolean loaded = FALSE;
75 menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
76 (GDestroyNotify)menu_destroy_hash_value);
78 client_list_menu_startup(reconfig);
79 client_list_combined_menu_startup(reconfig);
80 client_menu_startup();
82 menu_parse_inst = parse_startup();
84 menu_parse_state.parent = NULL;
85 menu_parse_state.pipe_creator = NULL;
86 parse_register(menu_parse_inst, "menu", parse_menu, &menu_parse_state);
87 parse_register(menu_parse_inst, "item", parse_menu_item,
89 parse_register(menu_parse_inst, "separator",
90 parse_menu_separator, &menu_parse_state);
92 for (it = config_menu_files; it; it = g_slist_next(it)) {
93 if (parse_load_menu(it->data, &doc, &node)) {
95 parse_tree(menu_parse_inst, doc, node->children);
98 g_message(_("Unable to find a valid menu file '%s'"),
99 (const gchar*)it->data);
102 if (parse_load_menu("menu.xml", &doc, &node)) {
103 parse_tree(menu_parse_inst, doc, node->children);
106 g_message(_("Unable to find a valid menu file '%s'"),
110 g_assert(menu_parse_state.parent == NULL);
113 client_add_destructor(client_dest, NULL);
116 void menu_shutdown(gboolean reconfig)
119 client_remove_destructor(client_dest);
121 parse_shutdown(menu_parse_inst);
122 menu_parse_inst = NULL;
124 client_list_menu_shutdown(reconfig);
125 client_list_combined_menu_shutdown(reconfig);
127 menu_frame_hide_all();
128 g_hash_table_destroy(menu_hash);
132 static gboolean menu_pipe_submenu(gpointer key, gpointer val, gpointer data)
135 return menu->pipe_creator == data;
138 void menu_pipe_execute(ObMenu *self)
148 if (!g_spawn_command_line_sync(self->execute, &output, NULL, NULL, &err)) {
149 g_message(_("Failed to execute command for pipe-menu '%s': %s"),
150 self->execute, err->message);
155 if (parse_load_mem(output, strlen(output),
156 "openbox_pipe_menu", &doc, &node))
158 g_hash_table_foreach_remove(menu_hash, menu_pipe_submenu, self);
159 menu_clear_entries(self);
161 menu_parse_state.pipe_creator = self;
162 menu_parse_state.parent = self;
163 parse_tree(menu_parse_inst, doc, node->children);
166 g_message(_("Invalid output from pipe-menu '%s'"), self->execute);
172 static ObMenu* menu_from_name(gchar *name)
176 g_assert(name != NULL);
178 if (!(self = g_hash_table_lookup(menu_hash, name)))
179 g_message(_("Attempted to access menu '%s' but it does not exist"),
184 #define VALID_SHORTCUT(c) (((c) >= '0' && (c) <= '9') || \
185 ((c) >= 'A' && (c) <= 'Z') || \
186 ((c) >= 'a' && (c) <= 'z'))
188 static gunichar parse_shortcut(const gchar *label, gboolean allow_shortcut,
189 gchar **strippedlabel, guint *position)
191 gunichar shortcut = 0;
195 g_assert(strippedlabel != NULL);
198 *strippedlabel = NULL;
202 *strippedlabel = g_strdup(label);
204 /* if allow_shortcut is false, then you can't use the &, instead you
205 have to just use the first valid character
208 i = strchr(*strippedlabel, '&');
209 if (allow_shortcut && i != NULL) {
210 /* there is an ampersand in the string */
212 /* you have to use a printable ascii character for shortcuts
213 don't allow space either, so you can have like "a & b"
215 if (VALID_SHORTCUT(*(i+1))) {
216 shortcut = g_unichar_tolower(g_utf8_get_char(i+1));
217 *position = i - *strippedlabel;
219 /* remove the & from the string */
220 for (; *i != '\0'; ++i)
224 /* there is no ampersand, so find the first valid character to use
227 for (i = *strippedlabel; *i != '\0'; ++i)
228 if (VALID_SHORTCUT(*i)) {
229 *position = i - *strippedlabel;
230 shortcut = g_unichar_tolower(g_utf8_get_char(i));
238 static void parse_menu_item(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node,
241 ObMenuParseState *state = data;
245 if (parse_attr_string("label", node, &label)) {
248 for (node = node->children; node; node = node->next)
249 if (!xmlStrcasecmp(node->name, (const xmlChar*) "action")) {
250 ObAction *a = action_parse
251 (i, doc, node, OB_USER_ACTION_MENU_SELECTION);
253 acts = g_slist_append(acts, a);
255 menu_add_normal(state->parent, -1, label, acts, FALSE);
261 static void parse_menu_separator(ObParseInst *i,
262 xmlDocPtr doc, xmlNodePtr node,
265 ObMenuParseState *state = data;
270 if (!parse_attr_string("label", node, &label))
273 menu_add_separator(state->parent, -1, label);
278 static void parse_menu(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node,
281 ObMenuParseState *state = data;
282 gchar *name = NULL, *title = NULL, *script = NULL;
285 if (!parse_attr_string("id", node, &name))
286 goto parse_menu_fail;
288 if (!g_hash_table_lookup(menu_hash, name)) {
289 if (!parse_attr_string("label", node, &title))
290 goto parse_menu_fail;
292 if ((menu = menu_new(name, title, FALSE, NULL))) {
293 menu->pipe_creator = state->pipe_creator;
294 if (parse_attr_string("execute", node, &script)) {
295 menu->execute = parse_expand_tilde(script);
300 state->parent = menu;
301 parse_tree(i, doc, node->children);
308 menu_add_submenu(state->parent, -1, name);
316 ObMenu* menu_new(const gchar *name, const gchar *title,
317 gboolean allow_shortcut_selection, gpointer data)
321 self = g_new0(ObMenu, 1);
322 self->name = g_strdup(name);
325 self->shortcut = parse_shortcut(title, allow_shortcut_selection,
326 &self->title, &self->shortcut_position);
328 g_hash_table_replace(menu_hash, self->name, self);
330 self->more_menu = g_new0(ObMenu, 1);
331 self->more_menu->name = _("More...");
332 self->more_menu->title = _("More...");
333 self->more_menu->data = data;
334 self->more_menu->shortcut = g_unichar_tolower(g_utf8_get_char("M"));
339 static void menu_destroy_hash_value(ObMenu *self)
341 /* make sure its not visible */
346 for (it = menu_frame_visible; it; it = g_list_next(it)) {
349 menu_frame_hide_all();
353 if (self->destroy_func)
354 self->destroy_func(self, self->data);
356 menu_clear_entries(self);
359 g_free(self->execute);
364 void menu_free(ObMenu *menu)
367 g_hash_table_remove(menu_hash, menu->name);
370 void menu_show(gchar *name, gint x, gint y, gint button, ObClient *client)
375 if (!(self = menu_from_name(name))
376 || keyboard_interactively_grabbed()) return;
378 /* if the requested menu is already the top visible menu, then don't
380 if (menu_frame_visible) {
381 frame = menu_frame_visible->data;
382 if (frame->menu == self)
386 menu_frame_hide_all();
388 frame = menu_frame_new(self, 0, client);
389 if (!menu_frame_show_topmenu(frame, x, y, button))
390 menu_frame_free(frame);
391 else if (frame->entries) {
392 /* select the first entry if it's not a submenu */
393 ObMenuEntryFrame *e = frame->entries->data;
394 if (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL)
395 menu_frame_select(frame, e, FALSE);
399 static ObMenuEntry* menu_entry_new(ObMenu *menu, ObMenuEntryType type, gint id)
405 self = g_new0(ObMenuEntry, 1);
412 case OB_MENU_ENTRY_TYPE_NORMAL:
413 self->data.normal.enabled = TRUE;
415 case OB_MENU_ENTRY_TYPE_SUBMENU:
416 case OB_MENU_ENTRY_TYPE_SEPARATOR:
423 void menu_entry_ref(ObMenuEntry *self)
428 void menu_entry_unref(ObMenuEntry *self)
430 if (self && --self->ref == 0) {
431 switch (self->type) {
432 case OB_MENU_ENTRY_TYPE_NORMAL:
433 g_free(self->data.normal.label);
434 while (self->data.normal.actions) {
435 action_unref(self->data.normal.actions->data);
436 self->data.normal.actions =
437 g_slist_delete_link(self->data.normal.actions,
438 self->data.normal.actions);
441 case OB_MENU_ENTRY_TYPE_SUBMENU:
442 g_free(self->data.submenu.name);
444 case OB_MENU_ENTRY_TYPE_SEPARATOR:
452 void menu_clear_entries(ObMenu *self)
455 /* assert that the menu isn't visible */
460 for (it = menu_frame_visible; it; it = g_list_next(it)) {
462 g_assert(f->menu != self);
467 while (self->entries) {
468 menu_entry_unref(self->entries->data);
469 self->entries = g_list_delete_link(self->entries, self->entries);
471 self->more_menu->entries = self->entries; /* keep it in sync */
474 void menu_entry_remove(ObMenuEntry *self)
476 self->menu->entries = g_list_remove(self->menu->entries, self);
477 menu_entry_unref(self);
480 ObMenuEntry* menu_add_normal(ObMenu *self, gint id, const gchar *label,
481 GSList *actions, gboolean allow_shortcut)
485 e = menu_entry_new(self, OB_MENU_ENTRY_TYPE_NORMAL, id);
486 e->data.normal.actions = actions;
488 menu_entry_set_label(e, label, allow_shortcut);
490 self->entries = g_list_append(self->entries, e);
491 self->more_menu->entries = self->entries; /* keep it in sync */
495 ObMenuEntry* menu_get_more(ObMenu *self, guint show_from)
498 e = menu_entry_new(self, OB_MENU_ENTRY_TYPE_SUBMENU, -1);
499 /* points to itself */
500 e->data.submenu.name = g_strdup(self->name);
501 e->data.submenu.submenu = self;
502 e->data.submenu.show_from = show_from;
506 ObMenuEntry* menu_add_submenu(ObMenu *self, gint id, const gchar *submenu)
510 e = menu_entry_new(self, OB_MENU_ENTRY_TYPE_SUBMENU, id);
511 e->data.submenu.name = g_strdup(submenu);
513 self->entries = g_list_append(self->entries, e);
514 self->more_menu->entries = self->entries; /* keep it in sync */
518 ObMenuEntry* menu_add_separator(ObMenu *self, gint id, const gchar *label)
522 e = menu_entry_new(self, OB_MENU_ENTRY_TYPE_SEPARATOR, id);
524 menu_entry_set_label(e, label, FALSE);
526 self->entries = g_list_append(self->entries, e);
527 self->more_menu->entries = self->entries; /* keep it in sync */
531 void menu_set_show_func(ObMenu *self, ObMenuShowFunc func)
533 self->show_func = func;
536 void menu_set_hide_func(ObMenu *self, ObMenuHideFunc func)
538 self->hide_func = func;
541 void menu_set_update_func(ObMenu *self, ObMenuUpdateFunc func)
543 self->update_func = func;
546 void menu_set_execute_func(ObMenu *self, ObMenuExecuteFunc func)
548 self->execute_func = func;
551 void menu_set_destroy_func(ObMenu *self, ObMenuDestroyFunc func)
553 self->destroy_func = func;
556 void menu_set_place_func(ObMenu *self, ObMenuPlaceFunc func)
558 self->place_func = func;
561 ObMenuEntry* menu_find_entry_id(ObMenu *self, gint id)
563 ObMenuEntry *ret = NULL;
566 for (it = self->entries; it; it = g_list_next(it)) {
567 ObMenuEntry *e = it->data;
577 void menu_find_submenus(ObMenu *self)
581 for (it = self->entries; it; it = g_list_next(it)) {
582 ObMenuEntry *e = it->data;
584 if (e->type == OB_MENU_ENTRY_TYPE_SUBMENU)
585 e->data.submenu.submenu = menu_from_name(e->data.submenu.name);
589 void menu_entry_set_label(ObMenuEntry *self, const gchar *label,
590 gboolean allow_shortcut)
592 switch (self->type) {
593 case OB_MENU_ENTRY_TYPE_SEPARATOR:
594 g_free(self->data.separator.label);
595 self->data.separator.label = g_strdup(label);
597 case OB_MENU_ENTRY_TYPE_NORMAL:
598 g_free(self->data.normal.label);
599 self->data.normal.shortcut =
600 parse_shortcut(label, allow_shortcut, &self->data.normal.label,
601 &self->data.normal.shortcut_position);
604 g_assert_not_reached();
608 void menu_show_all_shortcuts(ObMenu *self, gboolean show)
610 self->show_all_shortcuts = show;