Dogcows Code - chaz/openbox/blob - openbox/menu.c

   1 #include "debug.h"
   2 #include "menu.h"
   3 #include "openbox.h"
   4 #include "stacking.h"
   5 #include "client.h"
   6 #include "grab.h"
   7 #include "config.h"
   8 #include "screen.h"
   9 #include "menuframe.h"
  10 #include "geom.h"
  11 #include "misc.h"
  12 #include "client_menu.h"
  13 #include "client_list_menu.h"
  14 #include "parser/parse.h"
  15
  16 static GHashTable *menu_hash = NULL;
  17
  18 ObParseInst *menu_parse_inst;
  19
  20 typedef struct _ObMenuParseState ObMenuParseState;
  21
  22 struct _ObMenuParseState
  23 {
  24     GSList *menus;
  25 };
  26
  27 static void menu_destroy_hash_value(ObMenu *self);
  28 static void parse_menu_item(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node,
  29                             gpointer data);
  30 static void parse_menu_separator(ObParseInst *i,
  31                                  xmlDocPtr doc, xmlNodePtr node,
  32                                  gpointer data);
  33 static void parse_menu(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node,
  34                        gpointer data);
  35
  36 static gboolean menu_open(gchar *file, xmlDocPtr *doc, xmlNodePtr *node)
  37 {
  38     gboolean loaded = TRUE;
  39     gchar *p;
  40
  41     p = g_build_filename(g_get_home_dir(), ".openbox", file, NULL);
  42     if (!parse_load(p, "openbox_menu", doc, node)) {
  43         g_free(p);
  44         p = g_build_filename(RCDIR, file, NULL);
  45         if (!parse_load(p, "openbox_menu", doc, node)) {
  46             g_free(p);
  47             p = g_strdup(file);
  48             if (!parse_load(p, "openbox_menu", doc, node)) {
  49                 g_warning("Failed to load menu from '%s'", file);
  50                 loaded = FALSE;
  51             }
  52         }
  53     }
  54     g_free(p);
  55     return loaded;
  56 }
  57
  58 void menu_startup()
  59 {
  60     ObMenuParseState parse_state;
  61     xmlDocPtr doc;
  62     xmlNodePtr node;
  63     gboolean loaded = FALSE;
  64     GSList *it;
  65
  66     menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
  67                                       (GDestroyNotify)menu_destroy_hash_value);
  68
  69     client_list_menu_startup();
  70     client_menu_startup();
  71
  72     menu_parse_inst = parse_startup();
  73
  74     for (it = config_menu_files; it; it = g_slist_next(it)) {
  75         if (menu_open(it->data, &doc, &node))
  76             loaded = TRUE;
  77
  78     }
  79     if (!loaded)
  80         loaded = menu_open("menu", &doc, &node);
  81
  82     if (loaded) {
  83         parse_state.menus = NULL;
  84
  85         parse_register(menu_parse_inst, "menu", parse_menu, &parse_state);
  86         parse_register(menu_parse_inst, "item", parse_menu_item, &parse_state);
  87         parse_register(menu_parse_inst, "separator",
  88                        parse_menu_separator, &parse_state);
  89         parse_tree(menu_parse_inst, doc, node->xmlChildrenNode);
  90         xmlFreeDoc(doc);
  91     }
  92 }
  93
  94 void menu_shutdown()
  95 {
  96     parse_shutdown(menu_parse_inst);
  97     menu_parse_inst = NULL;
  98
  99     menu_frame_hide_all();
 100     g_hash_table_destroy(menu_hash);
 101     menu_hash = NULL;
 102 }
 103
 104 static ObMenu* menu_from_name(gchar *name)
 105 {
 106     ObMenu *self = NULL;
 107
 108     g_assert(name != NULL);
 109
 110     if (!(self = g_hash_table_lookup(menu_hash, name)))
 111         g_warning("Attempted to access menu '%s' but it does not exist.",
 112                   name);
 113     return self;
 114 }
 115
 116 static void parse_menu_item(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node,
 117                             gpointer data)
 118 {
 119     ObMenuParseState *state = data;
 120     gchar *label;
 121
 122     if (state->menus) {
 123         if (parse_attr_string("label", node, &label)) {
 124             GSList *acts = NULL;
 125
 126             for (node = node->xmlChildrenNode; node; node = node->next)
 127                 if (!xmlStrcasecmp(node->name, (const xmlChar*) "action"))
 128                     acts = g_slist_append(acts, action_parse(i, doc, node));
 129             menu_add_normal(state->menus->data, -1, label, acts);
 130             g_free(label);
 131         }
 132     }
 133 }
 134
 135 static void parse_menu_separator(ObParseInst *i,
 136                                  xmlDocPtr doc, xmlNodePtr node,
 137                                  gpointer data)
 138 {
 139     ObMenuParseState *state = data;
 140
 141     if (state->menus)
 142         menu_add_separator(state->menus->data, -1);
 143 }
 144
 145 static void parse_menu(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node,
 146                        gpointer data)
 147 {
 148     ObMenuParseState *state = data;
 149     gchar *name = NULL, *title = NULL;
 150     ObMenu *menu;
 151
 152     if (!parse_attr_string("id", node, &name))
 153         goto parse_menu_fail;
 154
 155     if (!g_hash_table_lookup(menu_hash, name)) {
 156         if (!parse_attr_string("label", node, &title))
 157             goto parse_menu_fail;
 158
 159         if ((menu = menu_new(name, title, NULL))) {
 160             state->menus = g_slist_prepend(state->menus, menu);
 161             parse_tree(i, doc, node->xmlChildrenNode);
 162             state->menus = g_slist_delete_link(state->menus, state->menus);
 163         }
 164     }
 165
 166     if (state->menus)
 167         menu_add_submenu(state->menus->data, -1, name);
 168
 169 parse_menu_fail:
 170     g_free(name);
 171     g_free(title);
 172 }
 173
 174
 175 static void menu_destroy_hash_value(ObMenu *self)
 176 {
 177     /* XXX make sure its not visible */
 178
 179     if (self->destroy_func)
 180         self->destroy_func(self, self->data);
 181
 182     menu_clear_entries(self);
 183     g_free(self->name);
 184     g_free(self->title);
 185 }
 186
 187 ObMenu* menu_new(gchar *name, gchar *title, gpointer data)
 188 {
 189     ObMenu *self;
 190
 191     /*if (g_hash_table_lookup(menu_hash, name)) return FALSE;*/
 192
 193     self = g_new0(ObMenu, 1);
 194     self->name = g_strdup(name);
 195     self->title = g_strdup(title);
 196     self->data = data;
 197
 198     g_hash_table_replace(menu_hash, self->name, self);
 199
 200     return self;
 201 }
 202
 203 void menu_free(ObMenu *menu)
 204 {
 205     g_hash_table_remove(menu_hash, menu->name);
 206 }
 207
 208 void menu_show(gchar *name, gint x, gint y, ObClient *client)
 209 {
 210     ObMenu *self;
 211     ObMenuFrame *frame;
 212
 213     if (!(self = menu_from_name(name))) return;
 214
 215     frame = menu_frame_new(self, client);
 216     menu_frame_move(frame, x, y);
 217     menu_frame_show(frame, NULL);
 218     if (frame->entries)
 219         menu_frame_select_next(frame);
 220 }
 221
 222 static ObMenuEntry* menu_entry_new(ObMenu *menu, ObMenuEntryType type, gint id)
 223 {
 224     ObMenuEntry *self;
 225
 226     g_assert(menu);
 227
 228     self = g_new0(ObMenuEntry, 1);
 229     self->type = type;
 230     self->menu = menu;
 231     self->id = id;
 232
 233     switch (type) {
 234     case OB_MENU_ENTRY_TYPE_NORMAL:
 235         self->data.normal.enabled = TRUE;
 236         break;
 237     case OB_MENU_ENTRY_TYPE_SUBMENU:
 238     case OB_MENU_ENTRY_TYPE_SEPARATOR:
 239         break;
 240     }
 241
 242     return self;
 243 }
 244
 245 void menu_entry_free(ObMenuEntry *self)
 246 {
 247     if (self) {
 248         switch (self->type) {
 249         case OB_MENU_ENTRY_TYPE_NORMAL:
 250             g_free(self->data.normal.label);
 251             while (self->data.normal.actions) {
 252                 action_free(self->data.normal.actions->data);
 253                 self->data.normal.actions =
 254                     g_slist_delete_link(self->data.normal.actions,
 255                                         self->data.normal.actions);
 256             }
 257             break;
 258         case OB_MENU_ENTRY_TYPE_SUBMENU:
 259             g_free(self->data.submenu.name);
 260             break;
 261         case OB_MENU_ENTRY_TYPE_SEPARATOR:
 262             break;
 263         }
 264
 265         g_free(self);
 266     }
 267 }
 268
 269 void menu_clear_entries(ObMenu *self)
 270 {
 271     /* XXX assert that the menu isn't visible */
 272
 273     while (self->entries) {
 274         menu_entry_free(self->entries->data);
 275         self->entries = g_list_delete_link(self->entries, self->entries);
 276     }
 277 }
 278
 279 void menu_entry_remove(ObMenuEntry *self)
 280 {
 281     self->menu->entries = g_list_remove(self->menu->entries, self);
 282     menu_entry_free(self);
 283 }
 284
 285 ObMenuEntry* menu_add_normal(ObMenu *self, gint id, gchar *label,
 286                              GSList *actions)
 287 {
 288     ObMenuEntry *e;
 289
 290     e = menu_entry_new(self, OB_MENU_ENTRY_TYPE_NORMAL, id);
 291     e->data.normal.label = g_strdup(label);
 292     e->data.normal.actions = actions;
 293
 294     self->entries = g_list_append(self->entries, e);
 295     return e;
 296 }
 297
 298 ObMenuEntry* menu_add_submenu(ObMenu *self, gint id, gchar *submenu)
 299 {
 300     ObMenuEntry *e;
 301
 302     e = menu_entry_new(self, OB_MENU_ENTRY_TYPE_SUBMENU, id);
 303     e->data.submenu.name = g_strdup(submenu);
 304
 305     self->entries = g_list_append(self->entries, e);
 306     return e;
 307 }
 308
 309 ObMenuEntry* menu_add_separator(ObMenu *self, gint id)
 310 {
 311     ObMenuEntry *e;
 312
 313     e = menu_entry_new(self, OB_MENU_ENTRY_TYPE_SEPARATOR, id);
 314
 315     self->entries = g_list_append(self->entries, e);
 316     return e;
 317 }
 318
 319 void menu_set_update_func(ObMenu *self, ObMenuUpdateFunc func)
 320 {
 321     self->update_func = func;
 322 }
 323
 324 void menu_set_execute_func(ObMenu *self, ObMenuExecuteFunc func)
 325 {
 326     self->execute_func = func;
 327 }
 328
 329 void menu_set_destroy_func(ObMenu *self, ObMenuDestroyFunc func)
 330 {
 331     self->destroy_func = func;
 332 }
 333
 334 ObMenuEntry* menu_find_entry_id(ObMenu *self, gint id)
 335 {
 336     ObMenuEntry *ret = NULL;
 337     GList *it;
 338
 339     for (it = self->entries; it; it = g_list_next(it)) {
 340         ObMenuEntry *e = it->data;
 341
 342         if (e->id == id) {
 343             ret = e;
 344             break;
 345         }
 346     }
 347     return ret;
 348 }
 349
 350 void menu_find_submenus(ObMenu *self)
 351 {
 352     GList *it;
 353
 354     for (it = self->entries; it; it = g_list_next(it)) {
 355         ObMenuEntry *e = it->data;
 356
 357         if (e->type == OB_MENU_ENTRY_TYPE_SUBMENU)
 358             e->data.submenu.submenu = menu_from_name(e->data.submenu.name);
 359     }
 360 }