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
  12 #define FRAME_EVENTMASK (ButtonPressMask |ButtonMotionMask | EnterWindowMask | \
  13                          LeaveWindowMask)
  14 #define TITLE_EVENTMASK (ButtonPressMask | ButtonMotionMask)
  15 #define ENTRY_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
  16                          ButtonPressMask | ButtonReleaseMask)
  17
  18 void menu_control_show(Menu *self, int x, int y, Client *client);
  19
  20 void menu_destroy_hash_key(gpointer data)
  21 {
  22     g_free(data);
  23 }
  24
  25 void menu_destroy_hash_value(Menu *self)
  26 {
  27     GList *it;
  28
  29     for (it = self->entries; it; it = it->next)
  30         menu_entry_free(it->data);
  31     g_list_free(self->entries);
  32
  33     g_free(self->label);
  34     g_free(self->name);
  35
  36     g_hash_table_remove(window_map, &self->title);
  37     g_hash_table_remove(window_map, &self->frame);
  38     g_hash_table_remove(window_map, &self->items);
  39
  40     stacking_remove(self);
  41
  42     appearance_free(self->a_title);
  43     XDestroyWindow(ob_display, self->title);
  44     XDestroyWindow(ob_display, self->frame);
  45     XDestroyWindow(ob_display, self->items);
  46
  47     g_free(self);
  48 }
  49
  50 void menu_entry_free(MenuEntry *self)
  51 {
  52     g_free(self->label);
  53     action_free(self->action);
  54
  55     g_hash_table_remove(window_map, &self->item);
  56
  57     appearance_free(self->a_item);
  58     appearance_free(self->a_disabled);
  59     appearance_free(self->a_hilite);
  60     XDestroyWindow(ob_display, self->item);
  61
  62     g_free(self);
  63 }
  64
  65 void menu_startup()
  66 {
  67     Menu *m;
  68     Menu *s;
  69     Menu *t;
  70     Action *a;
  71
  72     menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
  73                                       menu_destroy_hash_key,
  74                                       (GDestroyNotify)menu_destroy_hash_value);
  75
  76     m = menu_new(NULL, "root", NULL);
  77
  78     a = action_from_string("execute");
  79     a->data.execute.path = g_strdup("xterm");
  80     menu_add_entry(m, menu_entry_new("xterm", a));
  81     a = action_from_string("restart");
  82     menu_add_entry(m, menu_entry_new("restart", a));
  83     menu_add_entry(m, menu_entry_new_separator("--"));
  84     a = action_from_string("exit");
  85     menu_add_entry(m, menu_entry_new("exit", a));
  86     s = menu_new("subsex menu", "submenu", m);
  87     a = action_from_string("execute");
  88     a->data.execute.path = g_strdup("xclock");
  89     menu_add_entry(s, menu_entry_new("xclock", a));
  90
  91     menu_add_entry(m, menu_entry_new_submenu("subz", s));
  92
  93     t = (Menu *)plugin_create("timed_menu");
  94     if (t) {
  95         a = action_from_string("execute");
  96         a->data.execute.path = g_strdup("xeyes");
  97         menu_add_entry(t, menu_entry_new("xeyes", a));
  98         menu_add_entry(m, menu_entry_new_submenu("timed", t));
  99     }
 100
 101     t = (Menu *)plugin_create("fifo_menu");
 102     if (t) {
 103         menu_add_entry(m, menu_entry_new_submenu("fifo", t));
 104     }
 105
 106     s = menu_new("empty", "chub", m);
 107     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 108
 109     s = menu_new("", "s-club", m);
 110     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 111
 112     s = menu_new(NULL, "h-club", m);
 113     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 114
 115     s = menu_new(NULL, "g-club", m);
 116
 117     a = action_from_string("execute");
 118     a->data.execute.path = g_strdup("xterm");
 119     menu_add_entry(s, menu_entry_new("xterm", a));
 120     a = action_from_string("restart");
 121     menu_add_entry(s, menu_entry_new("restart", a));
 122     menu_add_entry(s, menu_entry_new_separator("--"));
 123     a = action_from_string("exit");
 124     menu_add_entry(s, menu_entry_new("exit", a));
 125
 126     menu_add_entry(m, menu_entry_new_submenu("long", s));
 127
 128     m = menu_new(NULL, "client", NULL);
 129     a = action_from_string("iconify");
 130     menu_add_entry(m, menu_entry_new("iconify", a));
 131     a = action_from_string("toggleshade");
 132     menu_add_entry(m, menu_entry_new("(un)shade", a));
 133     a = action_from_string("togglemaximizefull");
 134     menu_add_entry(m, menu_entry_new("(un)maximize", a));
 135     a = action_from_string("close");
 136     menu_add_entry(m, menu_entry_new("close", a));
 137
 138 }
 139
 140 void menu_shutdown()
 141 {
 142     g_hash_table_destroy(menu_hash);
 143 }
 144
 145 static Window createWindow(Window parent, unsigned long mask,
 146                            XSetWindowAttributes *attrib)
 147 {
 148     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
 149                          render_depth, InputOutput, render_visual,
 150                          mask, attrib);
 151
 152 }
 153
 154 Menu *menu_new_full(char *label, char *name, Menu *parent,
 155                     menu_controller_show show, menu_controller_update update)
 156 {
 157     XSetWindowAttributes attrib;
 158     Menu *self;
 159
 160     self = g_new0(Menu, 1);
 161     self->obwin.type = Window_Menu;
 162     self->label = g_strdup(label);
 163     self->name = g_strdup(name);
 164     self->parent = parent;
 165     self->open_submenu = NULL;
 166
 167     self->entries = NULL;
 168     self->shown = FALSE;
 169     self->invalid = TRUE;
 170
 171     /* default controllers */
 172     self->show = show;
 173     self->hide = NULL;
 174     self->update = update;
 175     self->mouseover = NULL;
 176     self->selected = NULL;
 177
 178     self->plugin = NULL;
 179     self->plugin_data = NULL;
 180
 181     attrib.override_redirect = TRUE;
 182     attrib.event_mask = FRAME_EVENTMASK;
 183     self->frame = createWindow(ob_root, CWOverrideRedirect|CWEventMask, &attrib);
 184     attrib.event_mask = TITLE_EVENTMASK;
 185     self->title = createWindow(self->frame, CWEventMask, &attrib);
 186     self->items = createWindow(self->frame, 0, &attrib);
 187
 188     XSetWindowBorderWidth(ob_display, self->frame, theme_bwidth);
 189     XSetWindowBackground(ob_display, self->frame, theme_b_color->pixel);
 190     XSetWindowBorderWidth(ob_display, self->title, theme_bwidth);
 191     XSetWindowBorder(ob_display, self->frame, theme_b_color->pixel);
 192     XSetWindowBorder(ob_display, self->title, theme_b_color->pixel);
 193
 194     XMapWindow(ob_display, self->title);
 195     XMapWindow(ob_display, self->items);
 196
 197     self->a_title = appearance_copy(theme_a_menu_title);
 198     self->a_items = appearance_copy(theme_a_menu);
 199
 200     g_hash_table_insert(window_map, &self->frame, self);
 201     g_hash_table_insert(window_map, &self->title, self);
 202     g_hash_table_insert(window_map, &self->items, self);
 203     g_hash_table_insert(menu_hash, g_strdup(name), self);
 204
 205     stacking_add(MENU_AS_WINDOW(self));
 206     stacking_raise(MENU_AS_WINDOW(self));
 207
 208     return self;
 209 }
 210
 211 void menu_free(char *name)
 212 {
 213     g_hash_table_remove(menu_hash, name);
 214 }
 215
 216 MenuEntry *menu_entry_new_full(char *label, Action *action,
 217                                MenuEntryRenderType render_type,
 218                                gpointer submenu)
 219 {
 220     MenuEntry *menu_entry = g_new0(MenuEntry, 1);
 221
 222     menu_entry->label = g_strdup(label);
 223     menu_entry->render_type = render_type;
 224     menu_entry->action = action;
 225
 226     menu_entry->hilite = FALSE;
 227     menu_entry->enabled = TRUE;
 228
 229     menu_entry->submenu = submenu;
 230
 231     return menu_entry;
 232 }
 233
 234 void menu_entry_set_submenu(MenuEntry *entry, Menu *submenu)
 235 {
 236     g_assert(entry != NULL);
 237
 238     entry->submenu = submenu;
 239
 240     if(entry->parent != NULL)
 241         entry->parent->invalid = TRUE;
 242 }
 243
 244 void menu_add_entry(Menu *menu, MenuEntry *entry)
 245 {
 246     XSetWindowAttributes attrib;
 247
 248     g_assert(menu != NULL);
 249     g_assert(entry != NULL);
 250     g_assert(entry->item == None);
 251
 252     menu->entries = g_list_append(menu->entries, entry);
 253     entry->parent = menu;
 254
 255     attrib.event_mask = ENTRY_EVENTMASK;
 256     entry->item = createWindow(menu->items, CWEventMask, &attrib);
 257     XMapWindow(ob_display, entry->item);
 258     entry->a_item = appearance_copy(theme_a_menu_item);
 259     entry->a_disabled = appearance_copy(theme_a_menu_disabled);
 260     entry->a_hilite = appearance_copy(theme_a_menu_hilite);
 261
 262     menu->invalid = TRUE;
 263
 264     g_hash_table_insert(window_map, &entry->item, menu);
 265 }
 266
 267 void menu_show(char *name, int x, int y, Client *client)
 268 {
 269     Menu *self;
 270
 271     self = g_hash_table_lookup(menu_hash, name);
 272     if (!self) {
 273         g_warning("Attempted to show menu '%s' but it does not exist.",
 274                   name);
 275         return;
 276     }
 277
 278     menu_show_full(self, x, y, client);
 279 }
 280
 281 void menu_show_full(Menu *self, int x, int y, Client *client)
 282 {
 283     g_assert(self != NULL);
 284
 285     menu_render(self);
 286
 287     self->client = client;
 288
 289     if (self->show) {
 290         self->show(self, x, y, client);
 291     } else {
 292       menu_control_show(self, x, y, client);
 293     }
 294 }
 295
 296
 297 void menu_hide(Menu *self) {
 298     if (self->shown) {
 299         XUnmapWindow(ob_display, self->frame);
 300         self->shown = FALSE;
 301         if (self->open_submenu)
 302             menu_hide(self->open_submenu);
 303         if (self->parent && self->parent->open_submenu == self)
 304             self->parent->open_submenu = NULL;
 305
 306     }
 307 }
 308
 309 void menu_clear(Menu *self) {
 310     GList *it;
 311
 312     for (it = self->entries; it; it = it->next) {
 313         MenuEntry *entry = it->data;
 314         menu_entry_free(entry);
 315     }
 316     self->entries = NULL;
 317     self->invalid = TRUE;
 318 }
 319
 320
 321 MenuEntry *menu_find_entry(Menu *menu, Window win)
 322 {
 323     GList *it;
 324
 325     for (it = menu->entries; it; it = it->next) {
 326         MenuEntry *entry = it->data;
 327         if (entry->item == win)
 328             return entry;
 329     }
 330     return NULL;
 331 }
 332
 333 void menu_entry_fire(MenuEntry *self)
 334 {
 335     Menu *m;
 336
 337     if (self->action) {
 338         self->action->data.any.c = self->parent->client;
 339         self->action->func(&self->action->data);
 340
 341         /* hide the whole thing */
 342         m = self->parent;
 343         while (m->parent) m = m->parent;
 344         menu_hide(m);
 345     }
 346 }
 347
 348 /*
 349    Default menu controller action for showing.
 350 */
 351
 352 void menu_control_show(Menu *self, int x, int y, Client *client) {
 353     g_assert(!self->invalid);
 354
 355     XMoveWindow(ob_display, self->frame,
 356                 MIN(x, screen_physical_size.width - self->size.width),
 357                 MIN(y, screen_physical_size.height - self->size.height));
 358     POINT_SET(self->location,
 359               MIN(x, screen_physical_size.width - self->size.width),
 360               MIN(y, screen_physical_size.height - self->size.height));
 361
 362     if (!self->shown) {
 363         XMapWindow(ob_display, self->frame);
 364         stacking_raise(MENU_AS_WINDOW(self));
 365         self->shown = TRUE;
 366     } else if (self->shown && self->open_submenu) {
 367         menu_hide(self->open_submenu);
 368     }
 369 }
 370
 371 void menu_control_mouseover(MenuEntry *self, gboolean enter) {
 372     int x;
 373     self->hilite = enter;
 374
 375     if (enter) {
 376         if (self->parent->open_submenu && self->submenu
 377             != self->parent->open_submenu)
 378             menu_hide(self->parent->open_submenu);
 379
 380         if (self->submenu) {
 381             self->parent->open_submenu = self->submenu;
 382
 383             /* shouldn't be invalid since it must be displayed */
 384             g_assert(!self->parent->invalid);
 385             /* TODO: I don't understand why these bevels should be here.
 386                Something must be wrong in the width calculation */
 387             x = self->parent->location.x + self->parent->size.width +
 388                 theme_bevel;
 389
 390             /* need to get the width. is this bad?*/
 391             menu_render(self->submenu);
 392
 393             if (self->submenu->size.width + x > screen_physical_size.width)
 394                 x = self->parent->location.x - self->submenu->size.width -
 395                     theme_bevel;
 396
 397             menu_show_full(self->submenu, x,
 398                            self->parent->location.y + self->y, NULL);
 399         }
 400     }
 401 }