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 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(Menu *menu)
  21 {
  22     g_free(menu);
  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     RrAppearanceFree(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     RrAppearanceFree(self->a_item);
  58     RrAppearanceFree(self->a_disabled);
  59     RrAppearanceFree(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 /*
  69     Menu *s;
  70     Menu *t;
  71 */
  72     Action *a;
  73
  74     menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
  75                                       (GDestroyNotify)menu_destroy_hash_key,
  76                                       (GDestroyNotify)menu_destroy_hash_value);
  77
  78     m = menu_new("sex menu", "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
  89     /*
  90     s = menu_new("subsex menu", "submenu", m);
  91     a = action_from_string("execute");
  92     a->data.execute.path = g_strdup("xclock");
  93     menu_add_entry(s, menu_entry_new("xclock", a));
  94
  95     menu_add_entry(m, menu_entry_new_submenu("subz", s));
  96
  97     s = menu_new("empty", "chub", m);
  98     menu_add_entry(m, menu_entry_new_submenu("empty", s));
  99
 100     s = menu_new("", "s-club", m);
 101     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 102
 103     s = menu_new(NULL, "h-club", m);
 104     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 105
 106     s = menu_new(NULL, "g-club", m);
 107
 108     a = action_from_string("execute");
 109     a->data.execute.path = g_strdup("xterm");
 110     menu_add_entry(s, menu_entry_new("xterm", a));
 111     a = action_from_string("restart");
 112     menu_add_entry(s, menu_entry_new("restart", a));
 113     menu_add_entry(s, menu_entry_new_separator("--"));
 114     a = action_from_string("exit");
 115     menu_add_entry(s, menu_entry_new("exit", a));
 116
 117     menu_add_entry(m, menu_entry_new_submenu("long", s));
 118     */
 119 }
 120
 121 void menu_shutdown()
 122 {
 123     g_hash_table_destroy(menu_hash);
 124 }
 125
 126 static Window createWindow(Window parent, unsigned long mask,
 127                            XSetWindowAttributes *attrib)
 128 {
 129     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
 130                          RrDepth(ob_rr_inst), InputOutput,
 131                          RrVisual(ob_rr_inst), mask, attrib);
 132
 133 }
 134
 135 Menu *menu_new_full(char *label, char *name, Menu *parent,
 136                     menu_controller_show show, menu_controller_update update)
 137 {
 138     XSetWindowAttributes attrib;
 139     Menu *self;
 140
 141     self = g_new0(Menu, 1);
 142     self->obwin.type = Window_Menu;
 143     self->label = g_strdup(label);
 144     self->name = g_strdup(name);
 145     self->parent = parent;
 146     self->open_submenu = NULL;
 147
 148     self->entries = NULL;
 149     self->shown = FALSE;
 150     self->invalid = TRUE;
 151
 152     /* default controllers */
 153     self->show = show;
 154     self->hide = NULL;
 155     self->update = update;
 156     self->mouseover = NULL;
 157     self->selected = NULL;
 158
 159     self->plugin = NULL;
 160     self->plugin_data = NULL;
 161
 162     attrib.override_redirect = TRUE;
 163     attrib.event_mask = FRAME_EVENTMASK;
 164     self->frame = createWindow(ob_root, CWOverrideRedirect|CWEventMask, &attrib);
 165     attrib.event_mask = TITLE_EVENTMASK;
 166     self->title = createWindow(self->frame, CWEventMask, &attrib);
 167     self->items = createWindow(self->frame, 0, &attrib);
 168
 169     XSetWindowBorderWidth(ob_display, self->frame, ob_rr_theme->bwidth);
 170     XSetWindowBackground(ob_display, self->frame, ob_rr_theme->b_color->pixel);
 171     XSetWindowBorderWidth(ob_display, self->title, ob_rr_theme->bwidth);
 172     XSetWindowBorder(ob_display, self->frame, ob_rr_theme->b_color->pixel);
 173     XSetWindowBorder(ob_display, self->title, ob_rr_theme->b_color->pixel);
 174
 175     XMapWindow(ob_display, self->title);
 176     XMapWindow(ob_display, self->items);
 177
 178     self->a_title = RrAppearanceCopy(ob_rr_theme->a_menu_title);
 179     self->a_items = RrAppearanceCopy(ob_rr_theme->a_menu);
 180
 181     g_hash_table_insert(window_map, &self->frame, self);
 182     g_hash_table_insert(window_map, &self->title, self);
 183     g_hash_table_insert(window_map, &self->items, self);
 184     g_hash_table_insert(menu_hash, g_strdup(name), self);
 185
 186     stacking_add(MENU_AS_WINDOW(self));
 187     stacking_raise(MENU_AS_WINDOW(self));
 188
 189     return self;
 190 }
 191
 192 void menu_free(char *name)
 193 {
 194     g_hash_table_remove(menu_hash, name);
 195 }
 196
 197 MenuEntry *menu_entry_new_full(char *label, Action *action,
 198                                MenuEntryRenderType render_type,
 199                                gpointer submenu)
 200 {
 201     MenuEntry *menu_entry = g_new0(MenuEntry, 1);
 202
 203     menu_entry->label = g_strdup(label);
 204     menu_entry->render_type = render_type;
 205     menu_entry->action = action;
 206
 207     menu_entry->hilite = FALSE;
 208     menu_entry->enabled = TRUE;
 209
 210     menu_entry->submenu = submenu;
 211
 212     return menu_entry;
 213 }
 214
 215 void menu_entry_set_submenu(MenuEntry *entry, Menu *submenu)
 216 {
 217     g_assert(entry != NULL);
 218
 219     entry->submenu = submenu;
 220
 221     if(entry->parent != NULL)
 222         entry->parent->invalid = TRUE;
 223 }
 224
 225 void menu_add_entry(Menu *menu, MenuEntry *entry)
 226 {
 227     XSetWindowAttributes attrib;
 228
 229     g_assert(menu != NULL);
 230     g_assert(entry != NULL);
 231     g_assert(entry->item == None);
 232
 233     menu->entries = g_list_append(menu->entries, entry);
 234     entry->parent = menu;
 235
 236     attrib.event_mask = ENTRY_EVENTMASK;
 237     entry->item = createWindow(menu->items, CWEventMask, &attrib);
 238     XMapWindow(ob_display, entry->item);
 239     entry->a_item = RrAppearanceCopy(ob_rr_theme->a_menu_item);
 240     entry->a_disabled = RrAppearanceCopy(ob_rr_theme->a_menu_disabled);
 241     entry->a_hilite = RrAppearanceCopy(ob_rr_theme->a_menu_hilite);
 242
 243     menu->invalid = TRUE;
 244
 245     g_hash_table_insert(window_map, &entry->item, menu);
 246 }
 247
 248 void menu_show(char *name, int x, int y, Client *client)
 249 {
 250     Menu *self;
 251
 252     self = g_hash_table_lookup(menu_hash, name);
 253     if (!self) {
 254         g_warning("Attempted to show menu '%s' but it does not exist.",
 255                   name);
 256         return;
 257     }
 258
 259     menu_show_full(self, x, y, client);
 260 }
 261
 262 void menu_show_full(Menu *self, int x, int y, Client *client)
 263 {
 264     g_assert(self != NULL);
 265
 266     menu_render(self);
 267
 268     self->client = client;
 269
 270     if (self->show) {
 271         self->show(self, x, y, client);
 272     } else {
 273       menu_control_show(self, x, y, client);
 274     }
 275 }
 276
 277 void menu_hide(Menu *self) {
 278     if (self->shown) {
 279         XUnmapWindow(ob_display, self->frame);
 280         self->shown = FALSE;
 281         if (self->open_submenu)
 282             menu_hide(self->open_submenu);
 283         if (self->parent && self->parent->open_submenu == self)
 284             self->parent->open_submenu = NULL;
 285
 286     }
 287 }
 288
 289 void menu_clear(Menu *self) {
 290     GList *it;
 291
 292     for (it = self->entries; it; it = it->next) {
 293         MenuEntry *entry = it->data;
 294         menu_entry_free(entry);
 295     }
 296     self->entries = NULL;
 297     self->invalid = TRUE;
 298 }
 299
 300
 301 MenuEntry *menu_find_entry(Menu *menu, Window win)
 302 {
 303     GList *it;
 304
 305     for (it = menu->entries; it; it = it->next) {
 306         MenuEntry *entry = it->data;
 307         if (entry->item == win)
 308             return entry;
 309     }
 310     return NULL;
 311 }
 312
 313 void menu_entry_fire(MenuEntry *self)
 314 {
 315     Menu *m;
 316
 317     if (self->action) {
 318         self->action->data.any.c = self->parent->client;
 319         self->action->func(&self->action->data);
 320
 321         /* hide the whole thing */
 322         m = self->parent;
 323         while (m->parent) m = m->parent;
 324         menu_hide(m);
 325     }
 326 }
 327
 328 /*
 329    Default menu controller action for showing.
 330 */
 331
 332 void menu_control_show(Menu *self, int x, int y, Client *client) {
 333     g_assert(!self->invalid);
 334
 335     XMoveWindow(ob_display, self->frame,
 336                 MIN(x, screen_physical_size.width - self->size.width),
 337                 MIN(y, screen_physical_size.height - self->size.height));
 338     POINT_SET(self->location,
 339               MIN(x, screen_physical_size.width - self->size.width),
 340               MIN(y, screen_physical_size.height - self->size.height));
 341
 342     if (!self->shown) {
 343         XMapWindow(ob_display, self->frame);
 344         stacking_raise(MENU_AS_WINDOW(self));
 345         self->shown = TRUE;
 346     } else if (self->shown && self->open_submenu) {
 347         menu_hide(self->open_submenu);
 348     }
 349 }
 350
 351 void menu_control_mouseover(MenuEntry *self, gboolean enter) {
 352     int x;
 353     self->hilite = enter;
 354
 355     if (enter) {
 356         if (self->parent->open_submenu && self->submenu
 357             != self->parent->open_submenu)
 358             menu_hide(self->parent->open_submenu);
 359
 360         if (self->submenu) {
 361             self->parent->open_submenu = self->submenu;
 362
 363             /* shouldn't be invalid since it must be displayed */
 364             g_assert(!self->parent->invalid);
 365             /* TODO: I don't understand why these bevels should be here.
 366                Something must be wrong in the width calculation */
 367             x = self->parent->location.x + self->parent->size.width +
 368                 ob_rr_theme->bevel;
 369
 370             /* need to get the width. is this bad?*/
 371             menu_render(self->submenu);
 372
 373             if (self->submenu->size.width + x > screen_physical_size.width)
 374                 x = self->parent->location.x - self->submenu->size.width -
 375                     ob_rr_theme->bevel;
 376
 377             menu_show_full(self->submenu, x,
 378                            self->parent->location.y + self->y,
 379                            self->parent->client);
 380         }
 381     }
 382 }