openbox/menu.c (raw)
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#include "debug.h" #include "menu.h" #include "openbox.h" #include "stacking.h" #include "client.h" #include "grab.h" #include "config.h" #include "screen.h" #include "menuframe.h" #include "geom.h" #include "plugin.h" #include "misc.h" #include "parser/parse.h" GHashTable *menu_hash = NULL; typedef struct _ObMenuParseState ObMenuParseState; struct _ObMenuParseState { GSList *menus; }; static void menu_clear_entries_internal(ObMenu *self); static ObMenu* menu_from_name(gchar *name) { ObMenu *self = NULL; g_assert(name != NULL); if (!(self = g_hash_table_lookup(menu_hash, name))) g_warning("Attempted to access menu '%s' but it does not exist.", name); return self; } static void parse_menu_item(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node, gpointer data) { ObMenuParseState *state = data; gchar *label; if (state->menus) { if (parse_attr_string("label", node, &label)) { GSList *acts = NULL; for (node = node->xmlChildrenNode; node; node = node->next) if (!xmlStrcasecmp(node->name, (const xmlChar*) "action")) acts = g_slist_append(acts, action_parse(i, doc, node)); menu_add_normal(state->menus->data, 0, label, acts); g_free(label); } } } static void parse_menu_separator(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node, gpointer data) { ObMenuParseState *state = data; if (state->menus) menu_add_separator(state->menus->data, 0); } gboolean menu_open_plugin(ObParseInst *i, gchar *name, gchar *plugin) { gboolean ret = FALSE; if (plugin_open(plugin, i)) { plugin_start(plugin); if (g_hash_table_lookup(menu_hash, name)) ret = TRUE; else g_warning("Specified plugin '%s' did not provide the " "menu '%s'", plugin, name); } return ret; } static void parse_menu(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node, gpointer data) { ObMenuParseState *state = data; gchar *name = NULL, *title = NULL, *plugin = NULL; if (!parse_attr_string("id", node, &name)) goto parse_menu_fail; if (!g_hash_table_lookup(menu_hash, name)) { if (parse_attr_string("plugin", node, &plugin)) { menu_open_plugin(i, name, plugin); } else { if (!parse_attr_string("label", node, &title)) goto parse_menu_fail; if (menu_new(name, title, NULL)) { state->menus = g_slist_prepend(state->menus, name); parse_tree(i, doc, node->xmlChildrenNode); state->menus = g_slist_delete_link(state->menus, state->menus); } } } if (state->menus) menu_add_submenu(state->menus->data, 0, name); parse_menu_fail: g_free(name); g_free(title); g_free(plugin); } void menu_destroy_hash_value(ObMenu *self) { /* XXX make sure its not visible */ if (self->destroy_func) self->destroy_func(self, self->data); menu_clear_entries_internal(self); g_free(self->name); g_free(self->title); } void menu_startup(ObParseInst *i) { menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, (GDestroyNotify)menu_destroy_hash_value); } void menu_shutdown() { menu_frame_hide_all(); g_hash_table_destroy(menu_hash); menu_hash = NULL; } void menu_parse() { ObParseInst *i; ObMenuParseState parse_state; xmlDocPtr doc; xmlNodePtr node; gchar *p; gboolean loaded = FALSE; i = parse_startup(); if (config_menu_path) if (!(loaded = parse_load(config_menu_path, "openbox_menu", &doc, &node))) g_warning("Failed to load menu from '%s'", config_menu_path); if (!loaded) { p = g_build_filename(g_get_home_dir(), ".openbox", "menu", NULL); if (!(loaded = parse_load(p, "openbox_menu", &doc, &node))) g_warning("Failed to load menu from '%s'", p); g_free(p); } if (!loaded) { p = g_build_filename(RCDIR, "menu", NULL); if (!(loaded = parse_load(p, "openbox_menu", &doc, &node))) g_warning("Failed to load menu from '%s'", p); g_free(p); } if (loaded) { parse_state.menus = NULL; parse_register(i, "menu", parse_menu, &parse_state); parse_register(i, "item", parse_menu_item, &parse_state); parse_register(i, "separator", parse_menu_separator, &parse_state); parse_tree(i, doc, node->xmlChildrenNode); } parse_shutdown(i); } gboolean menu_new(gchar *name, gchar *title, gpointer data) { ObMenu *self; if (g_hash_table_lookup(menu_hash, name)) return FALSE; self = g_new0(ObMenu, 1); self->name = g_strdup(name); self->title = g_strdup(title); self->data = data; g_hash_table_insert(menu_hash, self->name, self); return TRUE; } void menu_free(gchar *name) { ObMenu *self; if (!(self = menu_from_name(name))) return; g_hash_table_remove(menu_hash, self->name); } void menu_show(gchar *name, gint x, gint y, ObClient *client) { ObMenu *self; ObMenuFrame *frame; if (!(self = menu_from_name(name))) return; frame = menu_frame_new(self, client); menu_frame_move(frame, x, y); menu_frame_show(frame, NULL); } static ObMenuEntry* menu_entry_new(ObMenu *menu, ObMenuEntryType type, gint id) { ObMenuEntry *self; g_assert(menu); self = g_new0(ObMenuEntry, 1); self->type = type; self->menu = menu; self->id = id; switch (type) { case OB_MENU_ENTRY_TYPE_NORMAL: self->data.normal.enabled = TRUE; break; case OB_MENU_ENTRY_TYPE_SUBMENU: case OB_MENU_ENTRY_TYPE_SEPARATOR: break; } return self; } static void menu_entry_free(ObMenuEntry *self) { if (self) { switch (self->type) { case OB_MENU_ENTRY_TYPE_NORMAL: g_free(self->data.normal.label); while (self->data.normal.actions) { action_free(self->data.normal.actions->data); self->data.normal.actions = g_slist_delete_link(self->data.normal.actions, self->data.normal.actions); } break; case OB_MENU_ENTRY_TYPE_SUBMENU: g_free(self->data.submenu.name); break; case OB_MENU_ENTRY_TYPE_SEPARATOR: break; } g_free(self); } } void menu_clear_entries(gchar *name) { ObMenu *self; if (!(self = menu_from_name(name))) return; menu_clear_entries_internal(self); } static void menu_clear_entries_internal(ObMenu *self) { /* XXX assert that the menu isn't visible */ while (self->entries) { menu_entry_free(self->entries->data); self->entries = g_list_delete_link(self->entries, self->entries); } } void menu_add_normal(gchar *name, gint id, gchar *label, GSList *actions) { ObMenu *self; ObMenuEntry *e; if (!(self = menu_from_name(name))) return; e = menu_entry_new(self, OB_MENU_ENTRY_TYPE_NORMAL, id); e->data.normal.label = g_strdup(label); e->data.normal.actions = actions; self->entries = g_list_append(self->entries, e); } void menu_add_submenu(gchar *name, gint id, gchar *submenu) { ObMenu *self; ObMenuEntry *e; if (!(self = menu_from_name(name))) return; e = menu_entry_new(self, OB_MENU_ENTRY_TYPE_SUBMENU, id); e->data.submenu.name = g_strdup(submenu); self->entries = g_list_append(self->entries, e); } void menu_add_separator(gchar *name, gint id) { ObMenu *self; ObMenuEntry *e; if (!(self = menu_from_name(name))) return; e = menu_entry_new(self, OB_MENU_ENTRY_TYPE_SEPARATOR, id); self->entries = g_list_append(self->entries, e); } void menu_set_update_func(gchar *name, ObMenuUpdateFunc func) { ObMenu *self; if (!(self = menu_from_name(name))) return; self->update_func = func; } void menu_set_execute_func(gchar *name, ObMenuExecuteFunc func) { ObMenu *self; if (!(self = menu_from_name(name))) return; self->execute_func = func; } void menu_set_destroy_func(gchar *name, ObMenuDestroyFunc func) { ObMenu *self; if (!(self = menu_from_name(name))) return; self->destroy_func = func; } ObMenuEntry* menu_find_entry_id(ObMenu *self, gint id) { ObMenuEntry *ret = NULL; GList *it; for (it = self->entries; it; it = g_list_next(it)) { ObMenuEntry *e = it->data; if (e->id == id) { ret = e; break; } } return ret; } void menu_find_submenus(ObMenu *self) { GList *it; for (it = self->entries; it; it = g_list_next(it)) { ObMenuEntry *e = it->data; if (e->type == OB_MENU_ENTRY_TYPE_SUBMENU) e->data.submenu.submenu = menu_from_name(e->data.submenu.name); } } |