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->parent, &id))
  37             goto parse_menu_fail;
  38         if (!parse_attr_string("label", node->parent, &title))
  39             goto parse_menu_fail;
  40
  41         g_message("menu label %s", title);
  42
  43         menu = menu_new(title, id, data ? *((ObMenu**)data) : NULL);
  44
  45         if (data)
  46             *((ObMenu**)data) = menu;
  47     } else {
  48         menu = (ObMenu *)data;
  49     }
  50
  51     while (node) {
  52         if (!xmlStrcasecmp(node->name, (const xmlChar*) "menu")) {
  53             if (parse_attr_string("plugin", node, &plugin)) {
  54                 PluginMenuCreateData data;
  55                 data.doc = doc;
  56                 data.node = node;
  57                 data.parent = menu;
  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 && self->parent->shown)) {
 341             grab_pointer(TRUE, None);
 342             grab_keyboard(TRUE);
 343         }
 344         menu_visible = g_list_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 && self->parent->shown)) {
 364             grab_keyboard(FALSE);
 365             grab_pointer(FALSE, None);
 366         }
 367         menu_visible = g_list_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_submenu(ObMenu *menu, ObMenu *submenu)
 396 {
 397     GList *it;
 398
 399     for (it = menu->entries; it; it = it->next) {
 400         ObMenuEntry *entry = it->data;
 401         if (entry->submenu == submenu)
 402             return entry;
 403     }
 404     return NULL;
 405 }
 406
 407 ObMenuEntry *menu_find_entry_by_pos(ObMenu *menu, int x, int y)
 408 {
 409     if (x < 0 || x >= menu->size.width || y < 0 || y >= menu->size.height)
 410         return NULL;
 411
 412     y -= menu->title_h + ob_rr_theme->bwidth;
 413     if (y < 0) return NULL;
 414
 415     g_message ("%d %p", y/menu->item_h, g_list_nth_data(menu->entries, y / menu->item_h));
 416     return g_list_nth_data(menu->entries, y / menu->item_h);
 417 }
 418
 419 void menu_entry_fire(ObMenuEntry *self)
 420 {
 421     ObMenu *m;
 422
 423     if (self->action) {
 424         self->action->data.any.c = self->parent->client;
 425         self->action->func(&self->action->data);
 426
 427         /* hide the whole thing */
 428         m = self->parent;
 429         while (m->parent) m = m->parent;
 430         menu_hide(m);
 431     }
 432 }
 433
 434 /*
 435    Default menu controller action for showing.
 436 */
 437
 438 void menu_control_show(ObMenu *self, int x, int y, ObClient *client)
 439 {
 440     guint i;
 441     Rect *a = NULL;
 442
 443     g_assert(!self->invalid);
 444
 445     for (i = 0; i < screen_num_monitors; ++i) {
 446         a = screen_physical_area_monitor(i);
 447         if (RECT_CONTAINS(*a, x, y))
 448             break;
 449     }
 450     g_assert(a != NULL);
 451     self->xin_area = i;
 452
 453     POINT_SET(self->location,
 454               MIN(x, a->x + a->width - 1 - self->size.width),
 455               MIN(y, a->y + a->height - 1 - self->size.height));
 456     XMoveWindow(ob_display, self->frame, self->location.x, self->location.y);
 457
 458     if (!self->shown) {
 459         XMapWindow(ob_display, self->frame);
 460         stacking_raise(MENU_AS_WINDOW(self));
 461         self->shown = TRUE;
 462     } else if (self->shown && self->open_submenu) {
 463         menu_hide(self->open_submenu);
 464     }
 465 }
 466
 467 void menu_control_mouseover(ObMenuEntry *self, gboolean enter)
 468 {
 469     int x;
 470     Rect *a;
 471     ObMenuEntry *e;
 472
 473     if (enter) {
 474         if (self->parent->open_submenu && self->submenu
 475             != self->parent->open_submenu)
 476         {
 477             e = menu_find_entry_by_submenu(self->parent,
 478                                            self->parent->open_submenu);
 479             e->hilite = FALSE;
 480             menu_entry_render(e);
 481             menu_hide(self->parent->open_submenu);
 482         }
 483
 484         if (self->submenu && self->parent->open_submenu != self->submenu) {
 485             self->parent->open_submenu = self->submenu;
 486
 487             /* shouldn't be invalid since it must be displayed */
 488             g_assert(!self->parent->invalid);
 489             /* TODO: I don't understand why these bevels should be here.
 490                Something must be wrong in the width calculation */
 491             x = self->parent->location.x + self->parent->size.width +
 492                 ob_rr_theme->bwidth - ob_rr_theme->menu_overlap;
 493
 494             /* need to get the width. is this bad?*/
 495             menu_render(self->submenu);
 496
 497             a = screen_physical_area_monitor(self->parent->xin_area);
 498
 499             if (self->submenu->size.width + x >= a->x + a->width)
 500                 x = self->parent->location.x - self->submenu->size.width -
 501                     ob_rr_theme->bwidth + ob_rr_theme->menu_overlap;
 502
 503             menu_show_full(self->submenu, x,
 504                            self->parent->location.y + self->y,
 505                            self->parent->client);
 506         }
 507     }
 508
 509     if (enter || !self->submenu ||
 510         menu_find_entry_by_submenu(self->parent,
 511                                    self->parent->open_submenu) != self)
 512         self->hilite = enter;
 513 }
 514
 515 ObMenuEntry *menu_control_keyboard_nav(ObMenuEntry *over, ObKey key)
 516 {
 517     GList *it = NULL;
 518
 519     switch (key) {
 520     case OB_KEY_DOWN: {
 521         if (over != NULL) {
 522             if (over->parent->mouseover)
 523                 over->parent->mouseover(over, FALSE);
 524             else
 525                 menu_control_mouseover(over, FALSE);
 526             menu_entry_render(over);
 527
 528             it = over->parent->entries;
 529             while (it != NULL && it->data != over)
 530                 it = it->next;
 531         }
 532
 533         if (it && it->next)
 534             over = (ObMenuEntry *)it->next->data;
 535         else if (over == NULL) {
 536             if (menu_visible && ((ObMenu *)menu_visible->data)->entries)
 537                 over = (ObMenuEntry *)
 538                     (((ObMenu *)menu_visible->data)->entries)->data;
 539             else
 540                 over = NULL;
 541         } else {
 542             over = (over->parent->entries != NULL ?
 543                     over->parent->entries->data : NULL);
 544         }
 545
 546         if (over) {
 547             if (over->parent->mouseover)
 548                 over->parent->mouseover(over, TRUE);
 549             else
 550                 menu_control_mouseover(over, TRUE);
 551             menu_entry_render(over);
 552         }
 553
 554         break;
 555     }
 556     case OB_KEY_UP: {
 557         if (over != NULL) {
 558             if (over->parent->mouseover)
 559                 over->parent->mouseover(over, FALSE);
 560             else
 561                 menu_control_mouseover(over, FALSE);
 562             menu_entry_render(over);
 563
 564             it = g_list_last(over->parent->entries);
 565             while (it != NULL && it->data != over)
 566                 it = it->prev;
 567         }
 568
 569         if (it && it->prev)
 570             over = (ObMenuEntry *)it->prev->data;
 571         else if (over == NULL) {
 572             it = g_list_last(menu_visible);
 573             if (it != NULL) {
 574                 it = g_list_last(((ObMenu *)it->data)->entries);
 575                 over = (ObMenuEntry *)(it != NULL ? it->data : NULL);
 576             }
 577         } else
 578             over = (over->parent->entries != NULL ?
 579                     g_list_last(over->parent->entries)->data :
 580                     NULL);
 581
 582         if (over->parent->mouseover)
 583             over->parent->mouseover(over, TRUE);
 584         else
 585             menu_control_mouseover(over, TRUE);
 586         menu_entry_render(over);
 587         break;
 588     }
 589     case OB_KEY_RETURN: {
 590         if (over == NULL)
 591             return over;
 592
 593         if (over->submenu) {
 594             if (over->parent->mouseover)
 595                 over->parent->mouseover(over, FALSE);
 596             else
 597                 menu_control_mouseover(over, FALSE);
 598             menu_entry_render(over);
 599
 600             if (over->submenu->entries)
 601                 over = over->submenu->entries->data;
 602
 603             if (over->parent->mouseover)
 604                 over->parent->mouseover(over, TRUE);
 605             else
 606                 menu_control_mouseover(over, TRUE);
 607             menu_entry_render(over);
 608         }
 609         else {
 610             if (over->parent->mouseover)
 611                 over->parent->mouseover(over, FALSE);
 612             else
 613                 menu_control_mouseover(over, FALSE);
 614             menu_entry_render(over);
 615
 616             menu_entry_fire(over);
 617         }
 618         break;
 619     }
 620     case OB_KEY_ESCAPE: {
 621         if (over != NULL) {
 622             if (over->parent->mouseover)
 623                 over->parent->mouseover(over, FALSE);
 624             else
 625                 menu_control_mouseover(over, FALSE);
 626             menu_entry_render(over);
 627
 628             menu_hide(over->parent);
 629         } else {
 630             it  = g_list_last(menu_visible);
 631             if (it) {
 632                 menu_hide((ObMenu *)it->data);
 633             }
 634         }
 635
 636         over = NULL;
 637         break;
 638     }
 639     default:
 640         g_error("Unknown key");
 641     }
 642
 643     return over;
 644 }