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

   1 #include "menu.h"
   2 #include "openbox.h"
   3 #include "stacking.h"
   4 #include "client.h"
   5 #include "grab.h"
   6 #include "screen.h"
   7 #include "geom.h"
   8 #include "plugin.h"
   9
  10 GHashTable *menu_hash = NULL;
  11 GSList *menu_visible = NULL;
  12
  13 #define FRAME_EVENTMASK (ButtonPressMask |ButtonMotionMask | EnterWindowMask | \
  14                          LeaveWindowMask)
  15 #define TITLE_EVENTMASK (ButtonPressMask | ButtonMotionMask)
  16 #define ENTRY_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
  17                          ButtonPressMask | ButtonReleaseMask)
  18
  19 static void parse_menu(xmlDocPtr doc, xmlNodePtr node, void *data)
  20 {
  21     parse_menu_full(doc, node, data, TRUE);
  22 }
  23
  24
  25 void parse_menu_full(xmlDocPtr doc, xmlNodePtr node, void *data,
  26                        gboolean newmenu)
  27 {
  28     Action *act;
  29     xmlNodePtr nact;
  30
  31     gchar *id = NULL, *title = NULL, *label = NULL, *plugin;
  32     ObMenu *menu = NULL, *parent;
  33
  34     if (newmenu == TRUE) {
  35         if (!parse_attr_string("id", node->parent, &id))
  36             goto parse_menu_fail;
  37         if (!parse_attr_string("label", node->parent, &title))
  38             goto parse_menu_fail;
  39
  40         g_message("menu label %s", title);
  41
  42         menu = menu_new(title, id, data ? *((ObMenu**)data) : NULL);
  43
  44         if (data)
  45             *((ObMenu**)data) = menu;
  46     } else {
  47         menu = (ObMenu *)data;
  48     }
  49
  50     while (node) {
  51         if (!xmlStrcasecmp(node->name, (const xmlChar*) "menu")) {
  52             if (parse_attr_string("plugin", node, &plugin)) {
  53                 PluginMenuCreateData data = {
  54                     .doc = doc,
  55                     .node = node,
  56                     .parent = menu
  57                 };
  58                 parent = plugin_create(plugin, &data);
  59                 g_free(plugin);
  60             } else {
  61                 parent = menu;
  62                 parse_menu(doc, node->xmlChildrenNode, &parent);
  63                 menu_add_entry(menu, menu_entry_new_submenu(parent->label,
  64                                                             parent));
  65             }
  66
  67         }
  68         else if (!xmlStrcasecmp(node->name, (const xmlChar*) "item")) {
  69             if (parse_attr_string("label", node, &label)) {
  70                 if ((nact = parse_find_node("action", node->xmlChildrenNode)))
  71                     act = action_parse(doc, nact);
  72                 else
  73                     act = NULL;
  74                 if (act)
  75                     menu_add_entry(menu, menu_entry_new(label, act));
  76                 else
  77                     menu_add_entry(menu, menu_entry_new_separator(label));
  78                 g_free(label);
  79             }
  80         }
  81         node = node->next;
  82     }
  83
  84 parse_menu_fail:
  85     g_free(id);
  86     g_free(title);
  87 }
  88
  89 void menu_control_show(ObMenu *self, int x, int y, ObClient *client);
  90
  91 void menu_destroy_hash_key(ObMenu *menu)
  92 {
  93     g_free(menu);
  94 }
  95
  96 void menu_destroy_hash_value(ObMenu *self)
  97 {
  98     GList *it;
  99
 100     for (it = self->entries; it; it = it->next)
 101         menu_entry_free(it->data);
 102     g_list_free(self->entries);
 103
 104     g_free(self->label);
 105     g_free(self->name);
 106
 107     g_hash_table_remove(window_map, &self->title);
 108     g_hash_table_remove(window_map, &self->frame);
 109     g_hash_table_remove(window_map, &self->items);
 110
 111     stacking_remove(self);
 112
 113     RrAppearanceFree(self->a_title);
 114     RrAppearanceFree(self->a_items);
 115     XDestroyWindow(ob_display, self->title);
 116     XDestroyWindow(ob_display, self->frame);
 117     XDestroyWindow(ob_display, self->items);
 118
 119     g_free(self);
 120 }
 121
 122 void menu_entry_free(ObMenuEntry *self)
 123 {
 124     g_free(self->label);
 125     action_free(self->action);
 126
 127     g_hash_table_remove(window_map, &self->item);
 128
 129     RrAppearanceFree(self->a_item);
 130     RrAppearanceFree(self->a_disabled);
 131     RrAppearanceFree(self->a_hilite);
 132     XDestroyWindow(ob_display, self->item);
 133
 134     g_free(self);
 135 }
 136
 137 void menu_startup()
 138 {
 139 /*
 140     ObMenu *m;
 141     ObMenu *s;
 142     ObMenu *t;
 143     Action *a;
 144 */
 145
 146     menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
 147                                       (GDestroyNotify)menu_destroy_hash_key,
 148                                       (GDestroyNotify)menu_destroy_hash_value);
 149
 150     parse_register("menu", parse_menu, NULL);
 151
 152 /*
 153     m = menu_new("sex menu", "root", NULL);
 154
 155     a = action_from_string("execute");
 156     a->data.execute.path = g_strdup("xterm");
 157     menu_add_entry(m, menu_entry_new("xterm", a));
 158     a = action_from_string("restart");
 159     menu_add_entry(m, menu_entry_new("restart", a));
 160     menu_add_entry(m, menu_entry_new_separator("--"));
 161     a = action_from_string("exit");
 162     menu_add_entry(m, menu_entry_new("exit", a));
 163 */
 164
 165     /*
 166     s = menu_new("subsex menu", "submenu", m);
 167     a = action_from_string("execute");
 168     a->data.execute.path = g_strdup("xclock");
 169     menu_add_entry(s, menu_entry_new("xclock", a));
 170
 171     menu_add_entry(m, menu_entry_new_submenu("subz", s));
 172
 173     s = menu_new("empty", "chub", m);
 174     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 175
 176     s = menu_new("", "s-club", m);
 177     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 178
 179     s = menu_new(NULL, "h-club", m);
 180     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 181
 182     s = menu_new(NULL, "g-club", m);
 183
 184     a = action_from_string("execute");
 185     a->data.execute.path = g_strdup("xterm");
 186     menu_add_entry(s, menu_entry_new("xterm", a));
 187     a = action_from_string("restart");
 188     menu_add_entry(s, menu_entry_new("restart", a));
 189     menu_add_entry(s, menu_entry_new_separator("--"));
 190     a = action_from_string("exit");
 191     menu_add_entry(s, menu_entry_new("exit", a));
 192
 193     menu_add_entry(m, menu_entry_new_submenu("long", s));
 194     */
 195 }
 196
 197 void menu_shutdown()
 198 {
 199     g_hash_table_destroy(menu_hash);
 200 }
 201
 202 static Window createWindow(Window parent, unsigned long mask,
 203                            XSetWindowAttributes *attrib)
 204 {
 205     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
 206                          RrDepth(ob_rr_inst), InputOutput,
 207                          RrVisual(ob_rr_inst), mask, attrib);
 208
 209 }
 210
 211 ObMenu *menu_new_full(char *label, char *name, ObMenu *parent,
 212                     menu_controller_show show, menu_controller_update update)
 213 {
 214     XSetWindowAttributes attrib;
 215     ObMenu *self;
 216
 217     self = g_new0(ObMenu, 1);
 218     self->obwin.type = Window_Menu;
 219     self->label = g_strdup(label);
 220     self->name = g_strdup(name);
 221     self->parent = parent;
 222     self->open_submenu = NULL;
 223
 224     self->entries = NULL;
 225     self->shown = FALSE;
 226     self->invalid = TRUE;
 227
 228     /* default controllers */
 229     self->show = show;
 230     self->hide = NULL;
 231     self->update = update;
 232     self->mouseover = NULL;
 233     self->selected = NULL;
 234
 235     self->plugin = NULL;
 236     self->plugin_data = NULL;
 237
 238     attrib.override_redirect = TRUE;
 239     attrib.event_mask = FRAME_EVENTMASK;
 240     self->frame = createWindow(RootWindow(ob_display, ob_screen),
 241                                CWOverrideRedirect|CWEventMask, &attrib);
 242     attrib.event_mask = TITLE_EVENTMASK;
 243     self->title = createWindow(self->frame, CWEventMask, &attrib);
 244     self->items = createWindow(self->frame, 0, &attrib);
 245
 246     self->a_title = self->a_items = NULL;
 247
 248     XMapWindow(ob_display, self->title);
 249     XMapWindow(ob_display, self->items);
 250
 251     g_hash_table_insert(window_map, &self->frame, self);
 252     g_hash_table_insert(window_map, &self->title, self);
 253     g_hash_table_insert(window_map, &self->items, self);
 254     g_hash_table_insert(menu_hash, g_strdup(name), self);
 255
 256     stacking_add(MENU_AS_WINDOW(self));
 257     stacking_raise(MENU_AS_WINDOW(self));
 258
 259     return self;
 260 }
 261
 262 void menu_free(char *name)
 263 {
 264     g_hash_table_remove(menu_hash, name);
 265 }
 266
 267 ObMenuEntry *menu_entry_new_full(char *label, Action *action,
 268                                ObMenuEntryRenderType render_type,
 269                                gpointer submenu)
 270 {
 271     ObMenuEntry *menu_entry = g_new0(ObMenuEntry, 1);
 272
 273     menu_entry->label = g_strdup(label);
 274     menu_entry->render_type = render_type;
 275     menu_entry->action = action;
 276
 277     menu_entry->hilite = FALSE;
 278     menu_entry->enabled = TRUE;
 279
 280     menu_entry->submenu = submenu;
 281
 282     return menu_entry;
 283 }
 284
 285 void menu_entry_set_submenu(ObMenuEntry *entry, ObMenu *submenu)
 286 {
 287     g_assert(entry != NULL);
 288
 289     entry->submenu = submenu;
 290
 291     if(entry->parent != NULL)
 292         entry->parent->invalid = TRUE;
 293 }
 294
 295 void menu_add_entry(ObMenu *menu, ObMenuEntry *entry)
 296 {
 297     XSetWindowAttributes attrib;
 298
 299     g_assert(menu != NULL);
 300     g_assert(entry != NULL);
 301     g_assert(entry->item == None);
 302
 303     menu->entries = g_list_append(menu->entries, entry);
 304     entry->parent = menu;
 305
 306     attrib.event_mask = ENTRY_EVENTMASK;
 307     entry->item = createWindow(menu->items, CWEventMask, &attrib);
 308     XMapWindow(ob_display, entry->item);
 309
 310     entry->a_item = entry->a_disabled = entry->a_hilite = NULL;
 311
 312     menu->invalid = TRUE;
 313
 314     g_hash_table_insert(window_map, &entry->item, menu);
 315 }
 316
 317 void menu_show(char *name, int x, int y, ObClient *client)
 318 {
 319     ObMenu *self;
 320
 321     self = g_hash_table_lookup(menu_hash, name);
 322     if (!self) {
 323         g_warning("Attempted to show menu '%s' but it does not exist.",
 324                   name);
 325         return;
 326     }
 327
 328     menu_show_full(self, x, y, client);
 329 }
 330
 331 void menu_show_full(ObMenu *self, int x, int y, ObClient *client)
 332 {
 333     g_assert(self != NULL);
 334
 335     menu_render(self);
 336
 337     self->client = client;
 338
 339     if (!self->shown) {
 340         if (!self->parent) {
 341             grab_pointer(TRUE, None);
 342             grab_keyboard(TRUE);
 343         }
 344         menu_visible = g_slist_append(menu_visible, self);
 345     }
 346
 347     if (self->show) {
 348         self->show(self, x, y, client);
 349     } else {
 350       menu_control_show(self, x, y, client);
 351     }
 352 }
 353
 354 void menu_hide(ObMenu *self) {
 355     if (self->shown) {
 356         XUnmapWindow(ob_display, self->frame);
 357         self->shown = FALSE;
 358         if (self->open_submenu)
 359             menu_hide(self->open_submenu);
 360         if (self->parent && self->parent->open_submenu == self)
 361             self->parent->open_submenu = NULL;
 362
 363         if (!self->parent) {
 364             grab_keyboard(FALSE);
 365             grab_pointer(FALSE, None);
 366         }
 367         menu_visible = g_slist_remove(menu_visible, self);
 368     }
 369 }
 370
 371 void menu_clear(ObMenu *self) {
 372     GList *it;
 373
 374     for (it = self->entries; it; it = it->next) {
 375         ObMenuEntry *entry = it->data;
 376         menu_entry_free(entry);
 377     }
 378     self->entries = NULL;
 379     self->invalid = TRUE;
 380 }
 381
 382
 383 ObMenuEntry *menu_find_entry(ObMenu *menu, Window win)
 384 {
 385     GList *it;
 386
 387     for (it = menu->entries; it; it = it->next) {
 388         ObMenuEntry *entry = it->data;
 389         if (entry->item == win)
 390             return entry;
 391     }
 392     return NULL;
 393 }
 394
 395 ObMenuEntry *menu_find_entry_by_pos(ObMenu *menu, int x, int y)
 396 {
 397     if (x < 0 || x >= menu->size.width || y < 0 || y >= menu->size.height)
 398         return NULL;
 399
 400     y -= menu->title_h + ob_rr_theme->bwidth;
 401     if (y < 0) return NULL;
 402
 403     g_message ("%d %p", y/menu->item_h, g_list_nth_data(menu->entries, y / menu->item_h));
 404     return g_list_nth_data(menu->entries, y / menu->item_h);
 405 }
 406
 407 void menu_entry_fire(ObMenuEntry *self)
 408 {
 409     ObMenu *m;
 410
 411     if (self->action) {
 412         self->action->data.any.c = self->parent->client;
 413         self->action->func(&self->action->data);
 414
 415         /* hide the whole thing */
 416         m = self->parent;
 417         while (m->parent) m = m->parent;
 418         menu_hide(m);
 419     }
 420 }
 421
 422 /*
 423    Default menu controller action for showing.
 424 */
 425
 426 void menu_control_show(ObMenu *self, int x, int y, ObClient *client) {
 427     guint i;
 428     Rect *a = NULL;
 429
 430     g_assert(!self->invalid);
 431
 432     for (i = 0; i < screen_num_monitors; ++i) {
 433         a = screen_physical_area_monitor(i);
 434         if (RECT_CONTAINS(*a, x, y))
 435             break;
 436     }
 437     g_assert(a != NULL);
 438     self->xin_area = i;
 439
 440     POINT_SET(self->location,
 441               MIN(x, a->x + a->width - 1 - self->size.width),
 442               MIN(y, a->y + a->height - 1 - self->size.height));
 443     XMoveWindow(ob_display, self->frame, self->location.x, self->location.y);
 444
 445     if (!self->shown) {
 446         XMapWindow(ob_display, self->frame);
 447         stacking_raise(MENU_AS_WINDOW(self));
 448         self->shown = TRUE;
 449     } else if (self->shown && self->open_submenu) {
 450         menu_hide(self->open_submenu);
 451     }
 452 }
 453
 454 void menu_control_mouseover(ObMenuEntry *self, gboolean enter) {
 455     int x;
 456     Rect *a;
 457
 458     self->hilite = enter;
 459
 460     if (enter) {
 461         if (self->parent->open_submenu && self->submenu
 462             != self->parent->open_submenu)
 463             menu_hide(self->parent->open_submenu);
 464
 465         if (self->submenu && self->parent->open_submenu != self->submenu) {
 466             self->parent->open_submenu = self->submenu;
 467
 468             /* shouldn't be invalid since it must be displayed */
 469             g_assert(!self->parent->invalid);
 470             /* TODO: I don't understand why these bevels should be here.
 471                Something must be wrong in the width calculation */
 472             x = self->parent->location.x + self->parent->size.width +
 473                 ob_rr_theme->bwidth;
 474
 475             /* need to get the width. is this bad?*/
 476             menu_render(self->submenu);
 477
 478             a = screen_physical_area_monitor(self->parent->xin_area);
 479
 480             if (self->submenu->size.width + x >= a->x + a->width)
 481                 x = self->parent->location.x - self->submenu->size.width -
 482                     ob_rr_theme->bwidth;
 483
 484             menu_show_full(self->submenu, x,
 485                            self->parent->location.y + self->y,
 486                            self->parent->client);
 487         }
 488     }
 489 }