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     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 }
 139
 140 static Window createWindow(Window parent, unsigned long mask,
 141                            XSetWindowAttributes *attrib)
 142 {
 143     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
 144                          render_depth, InputOutput, render_visual,
 145                          mask, attrib);
 146
 147 }
 148
 149 Menu *menu_new_full(char *label, char *name, Menu *parent,
 150                     menu_controller_show show, menu_controller_update update)
 151 {
 152     XSetWindowAttributes attrib;
 153     Menu *self;
 154
 155     self = g_new0(Menu, 1);
 156     self->obwin.type = Window_Menu;
 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(window_map, &self->frame, self);
 196     g_hash_table_insert(window_map, &self->title, self);
 197     g_hash_table_insert(window_map, &self->items, self);
 198     g_hash_table_insert(menu_hash, g_strdup(name), self);
 199
 200     stacking_add(MENU_AS_WINDOW(self));
 201     stacking_raise(MENU_AS_WINDOW(self));
 202
 203     return self;
 204 }
 205
 206 void menu_free(char *name)
 207 {
 208     g_hash_table_remove(menu_hash, name);
 209 }
 210
 211 MenuEntry *menu_entry_new_full(char *label, Action *action,
 212                                MenuEntryRenderType render_type,
 213                                gpointer submenu)
 214 {
 215     MenuEntry *menu_entry = g_new0(MenuEntry, 1);
 216
 217     menu_entry->label = g_strdup(label);
 218     menu_entry->render_type = render_type;
 219     menu_entry->action = action;
 220
 221     menu_entry->hilite = FALSE;
 222     menu_entry->enabled = TRUE;
 223
 224     menu_entry->submenu = submenu;
 225
 226     return menu_entry;
 227 }
 228
 229 void menu_entry_set_submenu(MenuEntry *entry, Menu *submenu)
 230 {
 231     g_assert(entry != NULL);
 232
 233     entry->submenu = submenu;
 234
 235     if(entry->parent != NULL)
 236         entry->parent->invalid = TRUE;
 237 }
 238
 239 void menu_add_entry(Menu *menu, MenuEntry *entry)
 240 {
 241     XSetWindowAttributes attrib;
 242
 243     g_assert(menu != NULL);
 244     g_assert(entry != NULL);
 245     g_assert(entry->item == None);
 246
 247     menu->entries = g_list_append(menu->entries, entry);
 248     entry->parent = menu;
 249
 250     attrib.event_mask = ENTRY_EVENTMASK;
 251     entry->item = createWindow(menu->items, CWEventMask, &attrib);
 252     XMapWindow(ob_display, entry->item);
 253     entry->a_item = appearance_copy(theme_a_menu_item);
 254     entry->a_disabled = appearance_copy(theme_a_menu_disabled);
 255     entry->a_hilite = appearance_copy(theme_a_menu_hilite);
 256
 257     menu->invalid = TRUE;
 258
 259     g_hash_table_insert(window_map, &entry->item, menu);
 260 }
 261
 262 void menu_show(char *name, int x, int y, Client *client)
 263 {
 264     Menu *self;
 265
 266     self = g_hash_table_lookup(menu_hash, name);
 267     if (!self) {
 268         g_warning("Attempted to show menu '%s' but it does not exist.",
 269                   name);
 270         return;
 271     }
 272
 273     menu_show_full(self, x, y, client);
 274 }
 275
 276 void menu_show_full(Menu *self, int x, int y, Client *client)
 277 {
 278     g_assert(self != NULL);
 279
 280     menu_render(self);
 281
 282     self->client = client;
 283
 284     if (self->show) {
 285         self->show(self, x, y, client);
 286     } else {
 287       menu_control_show(self, x, y, client);
 288     }
 289 }
 290
 291
 292 void menu_hide(Menu *self) {
 293     if (self->shown) {
 294         XUnmapWindow(ob_display, self->frame);
 295         self->shown = FALSE;
 296         if (self->open_submenu)
 297             menu_hide(self->open_submenu);
 298         if (self->parent && self->parent->open_submenu == self)
 299             self->parent->open_submenu = NULL;
 300
 301     }
 302 }
 303
 304 void menu_clear(Menu *self) {
 305     GList *it;
 306
 307     for (it = self->entries; it; it = it->next) {
 308         MenuEntry *entry = it->data;
 309         menu_entry_free(entry);
 310     }
 311     self->entries = NULL;
 312     self->invalid = TRUE;
 313 }
 314
 315
 316 MenuEntry *menu_find_entry(Menu *menu, Window win)
 317 {
 318     GList *it;
 319
 320     for (it = menu->entries; it; it = it->next) {
 321         MenuEntry *entry = it->data;
 322         if (entry->item == win)
 323             return entry;
 324     }
 325     return NULL;
 326 }
 327
 328 void menu_entry_fire(MenuEntry *self)
 329 {
 330     Menu *m;
 331
 332     if (self->action) {
 333         self->action->data.any.c = self->parent->client;
 334         self->action->func(&self->action->data);
 335
 336         /* hide the whole thing */
 337         m = self->parent;
 338         while (m->parent) m = m->parent;
 339         menu_hide(m);
 340     }
 341 }
 342
 343 /*
 344    Default menu controller action for showing.
 345 */
 346
 347 void menu_control_show(Menu *self, int x, int y, Client *client) {
 348     g_assert(!self->invalid);
 349
 350     XMoveWindow(ob_display, self->frame,
 351                 MIN(x, screen_physical_size.width - self->size.width),
 352                 MIN(y, screen_physical_size.height - self->size.height));
 353     POINT_SET(self->location,
 354               MIN(x, screen_physical_size.width - self->size.width),
 355               MIN(y, screen_physical_size.height - self->size.height));
 356
 357     if (!self->shown) {
 358         XMapWindow(ob_display, self->frame);
 359         stacking_raise(MENU_AS_WINDOW(self));
 360         self->shown = TRUE;
 361     } else if (self->shown && self->open_submenu) {
 362         menu_hide(self->open_submenu);
 363     }
 364 }
 365
 366 void menu_control_mouseover(MenuEntry *self, gboolean enter) {
 367     int x;
 368     self->hilite = enter;
 369
 370     if (enter) {
 371         if (self->parent->open_submenu && self->submenu
 372             != self->parent->open_submenu)
 373             menu_hide(self->parent->open_submenu);
 374
 375         if (self->submenu) {
 376             self->parent->open_submenu = self->submenu;
 377
 378             /* shouldn't be invalid since it must be displayed */
 379             g_assert(!self->parent->invalid);
 380             /* TODO: I don't understand why these bevels should be here.
 381                Something must be wrong in the width calculation */
 382             x = self->parent->location.x + self->parent->size.width +
 383                 theme_bevel;
 384
 385             /* need to get the width. is this bad?*/
 386             menu_render(self->submenu);
 387
 388             if (self->submenu->size.width + x > screen_physical_size.width)
 389                 x = self->parent->location.x - self->submenu->size.width -
 390                     theme_bevel;
 391
 392             menu_show_full(self->submenu, x,
 393                            self->parent->location.y + self->y, NULL);
 394         }
 395     }
 396 }