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

   1 #include "menu.h"
   2 #include "openbox.h"
   3 #include "stacking.h"
   4 #include "grab.h"
   5 #include "render/theme.h"
   6 #include "screen.h"
   7 #include "geom.h"
   8 #include "plugin.h"
   9
  10 static GHashTable *menu_hash = NULL;
  11 GHashTable *menu_map = 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 void menu_control_show(Menu *self, int x, int y, Client *client);
  20
  21 void menu_destroy_hash_key(gpointer data)
  22 {
  23     g_free(data);
  24 }
  25
  26 void menu_destroy_hash_value(Menu *self)
  27 {
  28     GList *it;
  29
  30     for (it = self->entries; it; it = it->next)
  31         menu_entry_free(it->data);
  32     g_list_free(self->entries);
  33
  34     g_free(self->label);
  35     g_free(self->name);
  36
  37     g_hash_table_remove(menu_map, &self->title);
  38     g_hash_table_remove(menu_map, &self->frame);
  39     g_hash_table_remove(menu_map, &self->items);
  40
  41     stacking_remove(self);
  42
  43     appearance_free(self->a_title);
  44     XDestroyWindow(ob_display, self->title);
  45     XDestroyWindow(ob_display, self->frame);
  46     XDestroyWindow(ob_display, self->items);
  47
  48     g_free(self);
  49 }
  50
  51 void menu_entry_free(MenuEntry *self)
  52 {
  53     g_free(self->label);
  54     action_free(self->action);
  55
  56     g_hash_table_remove(menu_map, &self->item);
  57
  58     appearance_free(self->a_item);
  59     appearance_free(self->a_disabled);
  60     appearance_free(self->a_hilite);
  61     XDestroyWindow(ob_display, self->item);
  62
  63     g_free(self);
  64 }
  65
  66 void menu_startup()
  67 {
  68     Menu *m;
  69     Menu *s;
  70     Menu *t;
  71     Action *a;
  72
  73     menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
  74                                       menu_destroy_hash_key,
  75                                       (GDestroyNotify)menu_destroy_hash_value);
  76     menu_map = g_hash_table_new(g_int_hash, g_int_equal);
  77
  78     m = menu_new(NULL, "root", NULL);
  79
  80     a = action_from_string("execute");
  81     a->data.execute.path = g_strdup("xterm");
  82     menu_add_entry(m, menu_entry_new("xterm", a));
  83     a = action_from_string("restart");
  84     menu_add_entry(m, menu_entry_new("restart", a));
  85     menu_add_entry(m, menu_entry_new_separator("--"));
  86     a = action_from_string("exit");
  87     menu_add_entry(m, menu_entry_new("exit", a));
  88     s = menu_new("subsex menu", "submenu", m);
  89     a = action_from_string("execute");
  90     a->data.execute.path = g_strdup("xclock");
  91     menu_add_entry(s, menu_entry_new("xclock", a));
  92
  93     menu_add_entry(m, menu_entry_new_submenu("subz", s));
  94
  95     /*
  96     t = (Menu *)plugin_create("timed_menu");
  97     a = action_from_string("execute");
  98     a->data.execute.path = g_strdup("xeyes");
  99     menu_add_entry(t, menu_entry_new("xeyes", a));
 100     menu_add_entry(m, menu_entry_new_submenu("timed", t));
 101     */
 102
 103     s = menu_new("empty", "chub", m);
 104     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 105
 106     s = menu_new("", "s-club", m);
 107     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 108
 109     s = menu_new(NULL, "h-club", m);
 110     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 111
 112     s = menu_new(NULL, "g-club", m);
 113
 114     a = action_from_string("execute");
 115     a->data.execute.path = g_strdup("xterm");
 116     menu_add_entry(s, menu_entry_new("xterm", a));
 117     a = action_from_string("restart");
 118     menu_add_entry(s, menu_entry_new("restart", a));
 119     menu_add_entry(s, menu_entry_new_separator("--"));
 120     a = action_from_string("exit");
 121     menu_add_entry(s, menu_entry_new("exit", a));
 122
 123     menu_add_entry(m, menu_entry_new_submenu("long", s));
 124
 125     m = menu_new(NULL, "client", NULL);
 126     a = action_from_string("iconify");
 127     menu_add_entry(m, menu_entry_new("iconify", a));
 128     a = action_from_string("toggleshade");
 129     menu_add_entry(m, menu_entry_new("(un)shade", a));
 130     a = action_from_string("togglemaximizefull");
 131     menu_add_entry(m, menu_entry_new("(un)maximize", a));
 132     a = action_from_string("close");
 133     menu_add_entry(m, menu_entry_new("close", a));
 134
 135 }
 136
 137 void menu_shutdown()
 138 {
 139     g_hash_table_destroy(menu_hash);
 140     g_hash_table_destroy(menu_map);
 141 }
 142
 143 static Window createWindow(Window parent, unsigned long mask,
 144                            XSetWindowAttributes *attrib)
 145 {
 146     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
 147                          render_depth, InputOutput, render_visual,
 148                          mask, attrib);
 149
 150 }
 151
 152 Menu *menu_new_full(char *label, char *name, Menu *parent,
 153                     menu_controller_show show, menu_controller_update update)
 154 {
 155     XSetWindowAttributes attrib;
 156     Menu *self;
 157
 158     self = g_new0(Menu, 1);
 159     self->obwin.type = Window_Menu;
 160     self->label = g_strdup(label);
 161     self->name = g_strdup(name);
 162     self->parent = parent;
 163     self->open_submenu = NULL;
 164
 165     self->entries = NULL;
 166     self->shown = FALSE;
 167     self->invalid = TRUE;
 168
 169     /* default controllers */
 170     self->show = show;
 171     self->hide = NULL;
 172     self->update = update;
 173     self->mouseover = NULL;
 174     self->selected = NULL;
 175
 176     self->plugin = NULL;
 177     self->plugin_data = NULL;
 178
 179     attrib.override_redirect = TRUE;
 180     attrib.event_mask = FRAME_EVENTMASK;
 181     self->frame = createWindow(ob_root, CWOverrideRedirect|CWEventMask, &attrib);
 182     attrib.event_mask = TITLE_EVENTMASK;
 183     self->title = createWindow(self->frame, CWEventMask, &attrib);
 184     self->items = createWindow(self->frame, 0, &attrib);
 185
 186     XSetWindowBorderWidth(ob_display, self->frame, theme_bwidth);
 187     XSetWindowBackground(ob_display, self->frame, theme_b_color->pixel);
 188     XSetWindowBorderWidth(ob_display, self->title, theme_bwidth);
 189     XSetWindowBorder(ob_display, self->frame, theme_b_color->pixel);
 190     XSetWindowBorder(ob_display, self->title, theme_b_color->pixel);
 191
 192     XMapWindow(ob_display, self->title);
 193     XMapWindow(ob_display, self->items);
 194
 195     self->a_title = appearance_copy(theme_a_menu_title);
 196     self->a_items = appearance_copy(theme_a_menu);
 197
 198     g_hash_table_insert(menu_map, &self->frame, self);
 199     g_hash_table_insert(menu_map, &self->title, self);
 200     g_hash_table_insert(menu_map, &self->items, self);
 201     g_hash_table_insert(menu_hash, g_strdup(name), self);
 202
 203     stacking_add(self);
 204
 205     return self;
 206 }
 207
 208 void menu_free(char *name)
 209 {
 210     g_hash_table_remove(menu_hash, name);
 211 }
 212
 213 MenuEntry *menu_entry_new_full(char *label, Action *action,
 214                                MenuEntryRenderType render_type,
 215                                gpointer submenu)
 216 {
 217     MenuEntry *menu_entry = g_new0(MenuEntry, 1);
 218
 219     menu_entry->label = g_strdup(label);
 220     menu_entry->render_type = render_type;
 221     menu_entry->action = action;
 222
 223     menu_entry->hilite = FALSE;
 224     menu_entry->enabled = TRUE;
 225
 226     menu_entry->submenu = submenu;
 227
 228     return menu_entry;
 229 }
 230
 231 void menu_entry_set_submenu(MenuEntry *entry, Menu *submenu)
 232 {
 233     g_assert(entry != NULL);
 234
 235     entry->submenu = submenu;
 236
 237     if(entry->parent != NULL)
 238         entry->parent->invalid = TRUE;
 239 }
 240
 241 void menu_add_entry(Menu *menu, MenuEntry *entry)
 242 {
 243     XSetWindowAttributes attrib;
 244
 245     g_assert(menu != NULL);
 246     g_assert(entry != NULL);
 247     g_assert(entry->item == None);
 248
 249     menu->entries = g_list_append(menu->entries, entry);
 250     entry->parent = menu;
 251
 252     attrib.event_mask = ENTRY_EVENTMASK;
 253     entry->item = createWindow(menu->items, CWEventMask, &attrib);
 254     XMapWindow(ob_display, entry->item);
 255     entry->a_item = appearance_copy(theme_a_menu_item);
 256     entry->a_disabled = appearance_copy(theme_a_menu_disabled);
 257     entry->a_hilite = appearance_copy(theme_a_menu_hilite);
 258
 259     menu->invalid = TRUE;
 260
 261     g_hash_table_insert(menu_map, &entry->item, menu);
 262 }
 263
 264 void menu_show(char *name, int x, int y, Client *client)
 265 {
 266     Menu *self;
 267
 268     self = g_hash_table_lookup(menu_hash, name);
 269     if (!self) {
 270         g_warning("Attempted to show menu '%s' but it does not exist.",
 271                   name);
 272         return;
 273     }
 274
 275     menu_show_full(self, x, y, client);
 276 }
 277
 278 void menu_show_full(Menu *self, int x, int y, Client *client)
 279 {
 280     g_assert(self != NULL);
 281
 282     menu_render(self);
 283
 284     self->client = client;
 285
 286     if (self->show) {
 287         self->show(self, x, y, client);
 288     } else {
 289       menu_control_show(self, x, y, client);
 290     }
 291 }
 292
 293
 294 void menu_hide(Menu *self) {
 295     if (self->shown) {
 296         XUnmapWindow(ob_display, self->frame);
 297         self->shown = FALSE;
 298         if (self->open_submenu)
 299             menu_hide(self->open_submenu);
 300         if (self->parent && self->parent->open_submenu == self)
 301             self->parent->open_submenu = NULL;
 302
 303     }
 304 }
 305
 306 void menu_clear(Menu *self) {
 307     GList *it;
 308
 309     for (it = self->entries; it; it = it->next) {
 310         MenuEntry *entry = it->data;
 311         menu_entry_free(entry);
 312     }
 313     self->entries = NULL;
 314 }
 315
 316
 317 MenuEntry *menu_find_entry(Menu *menu, Window win)
 318 {
 319     GList *it;
 320
 321     for (it = menu->entries; it; it = it->next) {
 322         MenuEntry *entry = it->data;
 323         if (entry->item == win)
 324             return entry;
 325     }
 326     return NULL;
 327 }
 328
 329 void menu_entry_fire(MenuEntry *self)
 330 {
 331     Menu *m;
 332
 333     if (self->action) {
 334         self->action->data.any.c = self->parent->client;
 335         self->action->func(&self->action->data);
 336
 337         /* hide the whole thing */
 338         m = self->parent;
 339         while (m->parent) m = m->parent;
 340         menu_hide(m);
 341     }
 342 }
 343
 344 /*
 345    Default menu controller action for showing.
 346 */
 347
 348 void menu_control_show(Menu *self, int x, int y, Client *client) {
 349     g_assert(!self->invalid);
 350
 351     XMoveWindow(ob_display, self->frame,
 352                 MIN(x, screen_physical_size.width - self->size.width),
 353                 MIN(y, screen_physical_size.height - self->size.height));
 354     POINT_SET(self->location,
 355               MIN(x, screen_physical_size.width - self->size.width),
 356               MIN(y, screen_physical_size.height - self->size.height));
 357
 358     if (!self->shown) {
 359         XMapWindow(ob_display, self->frame);
 360         stacking_raise(MENU_AS_WINDOW(self));
 361         self->shown = TRUE;
 362     } else if (self->shown && self->open_submenu) {
 363         menu_hide(self->open_submenu);
 364     }
 365 }
 366
 367 void menu_control_mouseover(MenuEntry *self, gboolean enter) {
 368     int x;
 369     self->hilite = enter;
 370
 371     if (enter) {
 372         if (self->parent->open_submenu && self->submenu
 373             != self->parent->open_submenu)
 374             menu_hide(self->parent->open_submenu);
 375
 376         if (self->submenu) {
 377             self->parent->open_submenu = self->submenu;
 378
 379             /* shouldn't be invalid since it must be displayed */
 380             g_assert(!self->parent->invalid);
 381             /* TODO: I don't understand why these bevels should be here.
 382                Something must be wrong in the width calculation */
 383             x = self->parent->location.x + self->parent->size.width +
 384                 theme_bevel;
 385
 386             /* need to get the width. is this bad?*/
 387             menu_render(self->submenu);
 388
 389             if (self->submenu->size.width + x > screen_physical_size.width)
 390                 x = self->parent->location.x - self->submenu->size.width -
 391                     theme_bevel;
 392
 393             menu_show_full(self->submenu, x,
 394                            self->parent->location.y + self->y, NULL);
 395         }
 396     }
 397 }