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 #include "misc.h"
  10
  11 GHashTable *menu_hash = NULL;
  12 GList *menu_visible = NULL;
  13
  14 #define FRAME_EVENTMASK (ButtonPressMask |ButtonMotionMask | EnterWindowMask |\
  15                          LeaveWindowMask)
  16 #define TITLE_EVENTMASK (ButtonPressMask | ButtonMotionMask)
  17 #define ENTRY_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
  18                          ButtonPressMask | ButtonReleaseMask)
  19
  20 static void parse_menu(xmlDocPtr doc, xmlNodePtr node, void *data)
  21 {
  22     parse_menu_full(doc, node, data, TRUE);
  23 }
  24
  25
  26 void parse_menu_full(xmlDocPtr doc, xmlNodePtr node, void *data,
  27                        gboolean newmenu)
  28 {
  29     Action *act;
  30     xmlNodePtr nact;
  31
  32     gchar *id = NULL, *title = NULL, *label = NULL, *plugin;
  33     ObMenu *menu = NULL, *parent;
  34
  35     if (newmenu == TRUE) {
  36         if (!parse_attr_string("id", node, &id))
  37             goto parse_menu_fail;
  38         if (!parse_attr_string("label", node, &title))
  39             goto parse_menu_fail;
  40         g_message("menu label %s", title);
  41
  42         if (parse_attr_string("plugin", node, &plugin)) {
  43             PluginMenuCreateData data;
  44             data.doc = doc;
  45             data.node = node;
  46             data.parent = menu;
  47             parent = plugin_create(plugin, &data);
  48             g_free(plugin);
  49         } else
  50             menu = menu_new(title, id, data ? *((ObMenu**)data) : NULL);
  51
  52         if (data)
  53             *((ObMenu**)data) = menu;
  54     } else {
  55         menu = (ObMenu *)data;
  56     }
  57
  58     node = node->xmlChildrenNode;
  59
  60     while (node) {
  61         if (!xmlStrcasecmp(node->name, (const xmlChar*) "menu")) {
  62             if (parse_attr_string("plugin", node, &plugin)) {
  63                 PluginMenuCreateData data;
  64                 data.doc = doc;
  65                 data.node = node;
  66                 data.parent = menu;
  67                 parent = plugin_create(plugin, &data);
  68                 g_free(plugin);
  69             } else {
  70                 parent = menu;
  71                 parse_menu(doc, node, &parent);
  72                 menu_add_entry(menu, menu_entry_new_submenu(parent->label,
  73                                                             parent));
  74             }
  75
  76         }
  77         else if (!xmlStrcasecmp(node->name, (const xmlChar*) "item")) {
  78             if (parse_attr_string("label", node, &label)) {
  79                 if ((nact = parse_find_node("action", node->xmlChildrenNode)))
  80                     act = action_parse(doc, nact);
  81                 else
  82                     act = NULL;
  83                 if (act)
  84                     menu_add_entry(menu, menu_entry_new(label, act));
  85                 else
  86                     menu_add_entry(menu, menu_entry_new_separator(label));
  87                 g_free(label);
  88             }
  89         }
  90         node = node->next;
  91     }
  92
  93 parse_menu_fail:
  94     g_free(id);
  95     g_free(title);
  96 }
  97
  98 void menu_control_show(ObMenu *self, int x, int y, ObClient *client);
  99
 100 void menu_destroy_hash_key(ObMenu *menu)
 101 {
 102     g_free(menu);
 103 }
 104
 105 void menu_destroy_hash_value(ObMenu *self)
 106 {
 107     GList *it;
 108
 109     for (it = self->entries; it; it = it->next)
 110         menu_entry_free(it->data);
 111     g_list_free(self->entries);
 112
 113     g_free(self->label);
 114     g_free(self->name);
 115
 116     g_hash_table_remove(window_map, &self->title);
 117     g_hash_table_remove(window_map, &self->frame);
 118     g_hash_table_remove(window_map, &self->items);
 119
 120     stacking_remove(self);
 121
 122     RrAppearanceFree(self->a_title);
 123     RrAppearanceFree(self->a_items);
 124     XDestroyWindow(ob_display, self->title);
 125     XDestroyWindow(ob_display, self->frame);
 126     XDestroyWindow(ob_display, self->items);
 127
 128     g_free(self);
 129 }
 130
 131 void menu_entry_free(ObMenuEntry *self)
 132 {
 133     g_free(self->label);
 134     action_free(self->action);
 135
 136     g_hash_table_remove(window_map, &self->item);
 137
 138     RrAppearanceFree(self->a_item);
 139     RrAppearanceFree(self->a_disabled);
 140     RrAppearanceFree(self->a_hilite);
 141     XDestroyWindow(ob_display, self->item);
 142
 143     g_free(self);
 144 }
 145
 146 void menu_startup()
 147 {
 148 /*
 149     ObMenu *m;
 150     ObMenu *s;
 151     ObMenu *t;
 152     Action *a;
 153 */
 154
 155     menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
 156                                       (GDestroyNotify)menu_destroy_hash_key,
 157                                       (GDestroyNotify)menu_destroy_hash_value);
 158
 159     parse_register("menu", parse_menu, NULL);
 160
 161 /*
 162     m = menu_new("sex menu", "root", NULL);
 163
 164     a = action_from_string("execute");
 165     a->data.execute.path = g_strdup("xterm");
 166     menu_add_entry(m, menu_entry_new("xterm", a));
 167     a = action_from_string("restart");
 168     menu_add_entry(m, menu_entry_new("restart", a));
 169     menu_add_entry(m, menu_entry_new_separator("--"));
 170     a = action_from_string("exit");
 171     menu_add_entry(m, menu_entry_new("exit", a));
 172 */
 173
 174     /*
 175     s = menu_new("subsex menu", "submenu", m);
 176     a = action_from_string("execute");
 177     a->data.execute.path = g_strdup("xclock");
 178     menu_add_entry(s, menu_entry_new("xclock", a));
 179
 180     menu_add_entry(m, menu_entry_new_submenu("subz", s));
 181
 182     s = menu_new("empty", "chub", m);
 183     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 184
 185     s = menu_new("", "s-club", m);
 186     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 187
 188     s = menu_new(NULL, "h-club", m);
 189     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 190
 191     s = menu_new(NULL, "g-club", m);
 192
 193     a = action_from_string("execute");
 194     a->data.execute.path = g_strdup("xterm");
 195     menu_add_entry(s, menu_entry_new("xterm", a));
 196     a = action_from_string("restart");
 197     menu_add_entry(s, menu_entry_new("restart", a));
 198     menu_add_entry(s, menu_entry_new_separator("--"));
 199     a = action_from_string("exit");
 200     menu_add_entry(s, menu_entry_new("exit", a));
 201
 202     menu_add_entry(m, menu_entry_new_submenu("long", s));
 203     */
 204 }
 205
 206 void menu_shutdown()
 207 {
 208     g_hash_table_destroy(menu_hash);
 209 }
 210
 211 static Window createWindow(Window parent, unsigned long mask,
 212                            XSetWindowAttributes *attrib)
 213 {
 214     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
 215                          RrDepth(ob_rr_inst), InputOutput,
 216                          RrVisual(ob_rr_inst), mask, attrib);
 217
 218 }
 219
 220 ObMenu *menu_new_full(char *label, char *name, ObMenu *parent,
 221                     menu_controller_show show, menu_controller_update update)
 222 {
 223     XSetWindowAttributes attrib;
 224     ObMenu *self;
 225
 226     self = g_new0(ObMenu, 1);
 227     self->obwin.type = Window_Menu;
 228     self->label = g_strdup(label);
 229     self->name = g_strdup(name);
 230     self->parent = parent;
 231     self->open_submenu = NULL;
 232
 233     self->entries = NULL;
 234     self->shown = FALSE;
 235     self->invalid = TRUE;
 236
 237     /* default controllers */
 238     self->show = show;
 239     self->hide = NULL;
 240     self->update = update;
 241     self->mouseover = NULL;
 242     self->selected = NULL;
 243
 244     self->plugin = NULL;
 245     self->plugin_data = NULL;
 246
 247     attrib.override_redirect = TRUE;
 248     attrib.event_mask = FRAME_EVENTMASK;
 249     self->frame = createWindow(RootWindow(ob_display, ob_screen),
 250                                CWOverrideRedirect|CWEventMask, &attrib);
 251     attrib.event_mask = TITLE_EVENTMASK;
 252     self->title = createWindow(self->frame, CWEventMask, &attrib);
 253     self->items = createWindow(self->frame, 0, &attrib);
 254
 255     self->a_title = self->a_items = NULL;
 256
 257     XMapWindow(ob_display, self->title);
 258     XMapWindow(ob_display, self->items);
 259
 260     g_hash_table_insert(window_map, &self->frame, self);
 261     g_hash_table_insert(window_map, &self->title, self);
 262     g_hash_table_insert(window_map, &self->items, self);
 263     g_hash_table_insert(menu_hash, g_strdup(name), self);
 264
 265     stacking_add(MENU_AS_WINDOW(self));
 266     stacking_raise(MENU_AS_WINDOW(self));
 267
 268     return self;
 269 }
 270
 271 void menu_free(char *name)
 272 {
 273     g_hash_table_remove(menu_hash, name);
 274 }
 275
 276 ObMenuEntry *menu_entry_new_full(char *label, Action *action,
 277                                ObMenuEntryRenderType render_type,
 278                                gpointer submenu)
 279 {
 280     ObMenuEntry *menu_entry = g_new0(ObMenuEntry, 1);
 281
 282     menu_entry->label = g_strdup(label);
 283     menu_entry->render_type = render_type;
 284     menu_entry->action = action;
 285
 286     menu_entry->hilite = FALSE;
 287     menu_entry->enabled = TRUE;
 288
 289     menu_entry->submenu = submenu;
 290
 291     return menu_entry;
 292 }
 293
 294 void menu_entry_set_submenu(ObMenuEntry *entry, ObMenu *submenu)
 295 {
 296     g_assert(entry != NULL);
 297
 298     entry->submenu = submenu;
 299
 300     if(entry->parent != NULL)
 301         entry->parent->invalid = TRUE;
 302 }
 303
 304 void menu_add_entry(ObMenu *menu, ObMenuEntry *entry)
 305 {
 306     XSetWindowAttributes attrib;
 307
 308     g_assert(menu != NULL);
 309     g_assert(entry != NULL);
 310     g_assert(entry->item == None);
 311
 312     menu->entries = g_list_append(menu->entries, entry);
 313     entry->parent = menu;
 314
 315     attrib.event_mask = ENTRY_EVENTMASK;
 316     entry->item = createWindow(menu->items, CWEventMask, &attrib);
 317     XMapWindow(ob_display, entry->item);
 318
 319     entry->a_item = entry->a_disabled = entry->a_hilite = NULL;
 320
 321     menu->invalid = TRUE;
 322
 323     g_hash_table_insert(window_map, &entry->item, menu);
 324 }
 325
 326 void menu_show(char *name, int x, int y, ObClient *client)
 327 {
 328     ObMenu *self;
 329
 330     self = g_hash_table_lookup(menu_hash, name);
 331     if (!self) {
 332         g_warning("Attempted to show menu '%s' but it does not exist.",
 333                   name);
 334         return;
 335     }
 336
 337     menu_show_full(self, x, y, client);
 338 }
 339
 340 void menu_show_full(ObMenu *self, int x, int y, ObClient *client)
 341 {
 342     g_assert(self != NULL);
 343
 344     menu_render(self);
 345
 346     self->client = client;
 347
 348     if (!self->shown) {
 349         if (!(self->parent && self->parent->shown)) {
 350             grab_pointer(TRUE, None);
 351             grab_keyboard(TRUE);
 352         }
 353         menu_visible = g_list_append(menu_visible, self);
 354     }
 355
 356     if (self->show) {
 357         self->show(self, x, y, client);
 358     } else {
 359       menu_control_show(self, x, y, client);
 360     }
 361 }
 362
 363 void menu_hide(ObMenu *self) {
 364     if (self->shown) {
 365         XUnmapWindow(ob_display, self->frame);
 366         self->shown = FALSE;
 367         if (self->open_submenu)
 368             menu_hide(self->open_submenu);
 369         if (self->parent && self->parent->open_submenu == self) {
 370             ObMenuEntry *e;
 371
 372             self->parent->open_submenu = NULL;
 373
 374             e = menu_find_entry_by_submenu(self->parent, self);
 375             if (self->parent->mouseover)
 376                 self->parent->mouseover(e, FALSE);
 377             else
 378                 menu_control_mouseover(e, FALSE);
 379             menu_entry_render(e);
 380         }
 381
 382         if (!(self->parent && self->parent->shown)) {
 383             grab_keyboard(FALSE);
 384             grab_pointer(FALSE, None);
 385         }
 386         menu_visible = g_list_remove(menu_visible, self);
 387     }
 388 }
 389
 390 void menu_clear(ObMenu *self) {
 391     GList *it;
 392
 393     for (it = self->entries; it; it = it->next) {
 394         ObMenuEntry *entry = it->data;
 395         menu_entry_free(entry);
 396     }
 397     self->entries = NULL;
 398     self->invalid = TRUE;
 399 }
 400
 401
 402 ObMenuEntry *menu_find_entry(ObMenu *menu, Window win)
 403 {
 404     GList *it;
 405
 406     for (it = menu->entries; it; it = it->next) {
 407         ObMenuEntry *entry = it->data;
 408         if (entry->item == win)
 409             return entry;
 410     }
 411     return NULL;
 412 }
 413
 414 ObMenuEntry *menu_find_entry_by_submenu(ObMenu *menu, ObMenu *submenu)
 415 {
 416     GList *it;
 417
 418     for (it = menu->entries; it; it = it->next) {
 419         ObMenuEntry *entry = it->data;
 420         if (entry->submenu == submenu)
 421             return entry;
 422     }
 423     return NULL;
 424 }
 425
 426 ObMenuEntry *menu_find_entry_by_pos(ObMenu *menu, int x, int y)
 427 {
 428     if (x < 0 || x >= menu->size.width || y < 0 || y >= menu->size.height)
 429         return NULL;
 430
 431     y -= menu->title_h + ob_rr_theme->bwidth;
 432     if (y < 0) return NULL;
 433
 434     g_message ("%d %p", y/menu->item_h, g_list_nth_data(menu->entries, y / menu->item_h));
 435     return g_list_nth_data(menu->entries, y / menu->item_h);
 436 }
 437
 438 void menu_entry_fire(ObMenuEntry *self)
 439 {
 440     ObMenu *m;
 441
 442     if (self->action) {
 443         self->action->data.any.c = self->parent->client;
 444         self->action->func(&self->action->data);
 445
 446         /* hide the whole thing */
 447         m = self->parent;
 448         while (m->parent) m = m->parent;
 449         menu_hide(m);
 450     }
 451 }
 452
 453 /*
 454    Default menu controller action for showing.
 455 */
 456
 457 void menu_control_show(ObMenu *self, int x, int y, ObClient *client)
 458 {
 459     guint i;
 460     Rect *a = NULL;
 461
 462     g_assert(!self->invalid);
 463
 464     for (i = 0; i < screen_num_monitors; ++i) {
 465         a = screen_physical_area_monitor(i);
 466         if (RECT_CONTAINS(*a, x, y))
 467             break;
 468     }
 469     g_assert(a != NULL);
 470     self->xin_area = i;
 471
 472     POINT_SET(self->location,
 473               MIN(x, a->x + a->width - 1 - self->size.width),
 474               MIN(y, a->y + a->height - 1 - self->size.height));
 475     XMoveWindow(ob_display, self->frame, self->location.x, self->location.y);
 476
 477     if (!self->shown) {
 478         XMapWindow(ob_display, self->frame);
 479         stacking_raise(MENU_AS_WINDOW(self));
 480         self->shown = TRUE;
 481     } else if (self->shown && self->open_submenu) {
 482         menu_hide(self->open_submenu);
 483     }
 484 }
 485
 486 void menu_control_mouseover(ObMenuEntry *self, gboolean enter)
 487 {
 488     int x;
 489     Rect *a;
 490     ObMenuEntry *e;
 491
 492     if (enter) {
 493         if (self->parent->open_submenu && self->submenu
 494             != self->parent->open_submenu)
 495         {
 496             e = menu_find_entry_by_submenu(self->parent,
 497                                            self->parent->open_submenu);
 498             e->hilite = FALSE;
 499             menu_entry_render(e);
 500             menu_hide(self->parent->open_submenu);
 501         }
 502
 503         if (self->submenu && self->parent->open_submenu != self->submenu) {
 504             self->parent->open_submenu = self->submenu;
 505
 506             /* shouldn't be invalid since it must be displayed */
 507             g_assert(!self->parent->invalid);
 508             /* TODO: I don't understand why these bevels should be here.
 509                Something must be wrong in the width calculation */
 510             x = self->parent->location.x + self->parent->size.width +
 511                 ob_rr_theme->bwidth - ob_rr_theme->menu_overlap;
 512
 513             /* need to get the width. is this bad?*/
 514             menu_render(self->submenu);
 515
 516             a = screen_physical_area_monitor(self->parent->xin_area);
 517
 518             if (self->submenu->size.width + x >= a->x + a->width)
 519                 x = self->parent->location.x - self->submenu->size.width -
 520                     ob_rr_theme->bwidth + ob_rr_theme->menu_overlap;
 521
 522             menu_show_full(self->submenu, x,
 523                            self->parent->location.y + self->y,
 524                            self->parent->client);
 525         }
 526     }
 527
 528     if (enter || !self->submenu ||
 529         menu_find_entry_by_submenu(self->parent,
 530                                    self->parent->open_submenu) != self)
 531         self->hilite = enter;
 532 }
 533
 534 ObMenuEntry *menu_control_keyboard_nav(ObMenuEntry *over, ObKey key)
 535 {
 536     GList *it = NULL;
 537
 538     switch (key) {
 539     case OB_KEY_DOWN: {
 540         if (over != NULL) {
 541             if (over->parent->mouseover)
 542                 over->parent->mouseover(over, FALSE);
 543             else
 544                 menu_control_mouseover(over, FALSE);
 545             menu_entry_render(over);
 546
 547             it = over->parent->entries;
 548             while (it != NULL && it->data != over)
 549                 it = it->next;
 550         }
 551
 552         if (it && it->next)
 553             over = (ObMenuEntry *)it->next->data;
 554         else if (over == NULL) {
 555             if (menu_visible && ((ObMenu *)menu_visible->data)->entries)
 556                 over = (ObMenuEntry *)
 557                     (((ObMenu *)menu_visible->data)->entries)->data;
 558             else
 559                 over = NULL;
 560         } else {
 561             over = (over->parent->entries != NULL ?
 562                     over->parent->entries->data : NULL);
 563         }
 564
 565         if (over) {
 566             if (over->parent->mouseover)
 567                 over->parent->mouseover(over, TRUE);
 568             else
 569                 menu_control_mouseover(over, TRUE);
 570             menu_entry_render(over);
 571         }
 572
 573         break;
 574     }
 575     case OB_KEY_UP: {
 576         if (over != NULL) {
 577             if (over->parent->mouseover)
 578                 over->parent->mouseover(over, FALSE);
 579             else
 580                 menu_control_mouseover(over, FALSE);
 581             menu_entry_render(over);
 582
 583             it = g_list_last(over->parent->entries);
 584             while (it != NULL && it->data != over)
 585                 it = it->prev;
 586         }
 587
 588         if (it && it->prev)
 589             over = (ObMenuEntry *)it->prev->data;
 590         else if (over == NULL) {
 591             it = g_list_last(menu_visible);
 592             if (it != NULL) {
 593                 it = g_list_last(((ObMenu *)it->data)->entries);
 594                 over = (ObMenuEntry *)(it != NULL ? it->data : NULL);
 595             }
 596         } else
 597             over = (over->parent->entries != NULL ?
 598                     g_list_last(over->parent->entries)->data :
 599                     NULL);
 600
 601         if (over->parent->mouseover)
 602             over->parent->mouseover(over, TRUE);
 603         else
 604             menu_control_mouseover(over, TRUE);
 605         menu_entry_render(over);
 606         break;
 607     }
 608     case OB_KEY_RETURN: {
 609         if (over == NULL)
 610             return over;
 611
 612         if (over->submenu) {
 613             if (over->parent->mouseover)
 614                 over->parent->mouseover(over, FALSE);
 615             else
 616                 menu_control_mouseover(over, FALSE);
 617             menu_entry_render(over);
 618
 619             if (over->submenu->entries)
 620                 over = over->submenu->entries->data;
 621
 622             if (over->parent->mouseover)
 623                 over->parent->mouseover(over, TRUE);
 624             else
 625                 menu_control_mouseover(over, TRUE);
 626             menu_entry_render(over);
 627         }
 628         else {
 629             if (over->parent->mouseover)
 630                 over->parent->mouseover(over, FALSE);
 631             else
 632                 menu_control_mouseover(over, FALSE);
 633             menu_entry_render(over);
 634
 635             menu_entry_fire(over);
 636         }
 637         break;
 638     }
 639     case OB_KEY_ESCAPE: {
 640         if (over != NULL) {
 641             if (over->parent->mouseover)
 642                 over->parent->mouseover(over, FALSE);
 643             else
 644                 menu_control_mouseover(over, FALSE);
 645             menu_entry_render(over);
 646
 647             menu_hide(over->parent);
 648         } else {
 649             it  = g_list_last(menu_visible);
 650             if (it) {
 651                 menu_hide((ObMenu *)it->data);
 652             }
 653         }
 654
 655         over = NULL;
 656         break;
 657     }
 658     default:
 659         g_error("Unknown key");
 660     }
 661
 662     return over;
 663 }