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