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     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("sex menu", "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
  87     /*
  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     s = menu_new("empty", "chub", m);
  96     menu_add_entry(m, menu_entry_new_submenu("empty", s));
  97
  98     s = menu_new("", "s-club", m);
  99     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 100
 101     s = menu_new(NULL, "h-club", m);
 102     menu_add_entry(m, menu_entry_new_submenu("empty", s));
 103
 104     s = menu_new(NULL, "g-club", m);
 105
 106     a = action_from_string("execute");
 107     a->data.execute.path = g_strdup("xterm");
 108     menu_add_entry(s, menu_entry_new("xterm", a));
 109     a = action_from_string("restart");
 110     menu_add_entry(s, menu_entry_new("restart", a));
 111     menu_add_entry(s, menu_entry_new_separator("--"));
 112     a = action_from_string("exit");
 113     menu_add_entry(s, menu_entry_new("exit", a));
 114
 115     menu_add_entry(m, menu_entry_new_submenu("long", s));
 116     */
 117 }
 118
 119 void menu_shutdown()
 120 {
 121     g_hash_table_destroy(menu_hash);
 122 }
 123
 124 static Window createWindow(Window parent, unsigned long mask,
 125                            XSetWindowAttributes *attrib)
 126 {
 127     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
 128                          render_depth, InputOutput, render_visual,
 129                          mask, attrib);
 130
 131 }
 132
 133 Menu *menu_new_full(char *label, char *name, Menu *parent,
 134                     menu_controller_show show, menu_controller_update update)
 135 {
 136     XSetWindowAttributes attrib;
 137     Menu *self;
 138
 139     self = g_new0(Menu, 1);
 140     self->obwin.type = Window_Menu;
 141     self->label = g_strdup(label);
 142     self->name = g_strdup(name);
 143     self->parent = parent;
 144     self->open_submenu = NULL;
 145
 146     self->entries = NULL;
 147     self->shown = FALSE;
 148     self->invalid = TRUE;
 149
 150     /* default controllers */
 151     self->show = show;
 152     self->hide = NULL;
 153     self->update = update;
 154     self->mouseover = NULL;
 155     self->selected = NULL;
 156
 157     self->plugin = NULL;
 158     self->plugin_data = NULL;
 159
 160     attrib.override_redirect = TRUE;
 161     attrib.event_mask = FRAME_EVENTMASK;
 162     self->frame = createWindow(ob_root, CWOverrideRedirect|CWEventMask, &attrib);
 163     attrib.event_mask = TITLE_EVENTMASK;
 164     self->title = createWindow(self->frame, CWEventMask, &attrib);
 165     self->items = createWindow(self->frame, 0, &attrib);
 166
 167     XSetWindowBorderWidth(ob_display, self->frame, theme_bwidth);
 168     XSetWindowBackground(ob_display, self->frame, theme_b_color->pixel);
 169     XSetWindowBorderWidth(ob_display, self->title, theme_bwidth);
 170     XSetWindowBorder(ob_display, self->frame, theme_b_color->pixel);
 171     XSetWindowBorder(ob_display, self->title, theme_b_color->pixel);
 172
 173     XMapWindow(ob_display, self->title);
 174     XMapWindow(ob_display, self->items);
 175
 176     self->a_title = appearance_copy(theme_a_menu_title);
 177     self->a_items = appearance_copy(theme_a_menu);
 178
 179     g_hash_table_insert(window_map, &self->frame, self);
 180     g_hash_table_insert(window_map, &self->title, self);
 181     g_hash_table_insert(window_map, &self->items, self);
 182     g_hash_table_insert(menu_hash, g_strdup(name), self);
 183
 184     stacking_add(MENU_AS_WINDOW(self));
 185     stacking_raise(MENU_AS_WINDOW(self));
 186
 187     return self;
 188 }
 189
 190 void menu_free(char *name)
 191 {
 192     g_hash_table_remove(menu_hash, name);
 193 }
 194
 195 MenuEntry *menu_entry_new_full(char *label, Action *action,
 196                                MenuEntryRenderType render_type,
 197                                gpointer submenu)
 198 {
 199     MenuEntry *menu_entry = g_new0(MenuEntry, 1);
 200
 201     menu_entry->label = g_strdup(label);
 202     menu_entry->render_type = render_type;
 203     menu_entry->action = action;
 204
 205     menu_entry->hilite = FALSE;
 206     menu_entry->enabled = TRUE;
 207
 208     menu_entry->submenu = submenu;
 209
 210     return menu_entry;
 211 }
 212
 213 void menu_entry_set_submenu(MenuEntry *entry, Menu *submenu)
 214 {
 215     g_assert(entry != NULL);
 216
 217     entry->submenu = submenu;
 218
 219     if(entry->parent != NULL)
 220         entry->parent->invalid = TRUE;
 221 }
 222
 223 void menu_add_entry(Menu *menu, MenuEntry *entry)
 224 {
 225     XSetWindowAttributes attrib;
 226
 227     g_assert(menu != NULL);
 228     g_assert(entry != NULL);
 229     g_assert(entry->item == None);
 230
 231     menu->entries = g_list_append(menu->entries, entry);
 232     entry->parent = menu;
 233
 234     attrib.event_mask = ENTRY_EVENTMASK;
 235     entry->item = createWindow(menu->items, CWEventMask, &attrib);
 236     XMapWindow(ob_display, entry->item);
 237     entry->a_item = appearance_copy(theme_a_menu_item);
 238     entry->a_disabled = appearance_copy(theme_a_menu_disabled);
 239     entry->a_hilite = appearance_copy(theme_a_menu_hilite);
 240
 241     menu->invalid = TRUE;
 242
 243     g_hash_table_insert(window_map, &entry->item, menu);
 244 }
 245
 246 void menu_show(char *name, int x, int y, Client *client)
 247 {
 248     Menu *self;
 249
 250     self = g_hash_table_lookup(menu_hash, name);
 251     if (!self) {
 252         g_warning("Attempted to show menu '%s' but it does not exist.",
 253                   name);
 254         return;
 255     }
 256
 257     menu_show_full(self, x, y, client);
 258 }
 259
 260 void menu_show_full(Menu *self, int x, int y, Client *client)
 261 {
 262     g_assert(self != NULL);
 263
 264     menu_render(self);
 265
 266     self->client = client;
 267
 268     if (self->show) {
 269         self->show(self, x, y, client);
 270     } else {
 271       menu_control_show(self, x, y, client);
 272     }
 273 }
 274
 275
 276 void menu_hide(Menu *self) {
 277     if (self->shown) {
 278         XUnmapWindow(ob_display, self->frame);
 279         self->shown = FALSE;
 280         if (self->open_submenu)
 281             menu_hide(self->open_submenu);
 282         if (self->parent && self->parent->open_submenu == self)
 283             self->parent->open_submenu = NULL;
 284
 285     }
 286 }
 287
 288 void menu_clear(Menu *self) {
 289     GList *it;
 290
 291     for (it = self->entries; it; it = it->next) {
 292         MenuEntry *entry = it->data;
 293         menu_entry_free(entry);
 294     }
 295     self->entries = NULL;
 296     self->invalid = TRUE;
 297 }
 298
 299
 300 MenuEntry *menu_find_entry(Menu *menu, Window win)
 301 {
 302     GList *it;
 303
 304     for (it = menu->entries; it; it = it->next) {
 305         MenuEntry *entry = it->data;
 306         if (entry->item == win)
 307             return entry;
 308     }
 309     return NULL;
 310 }
 311
 312 void menu_entry_fire(MenuEntry *self)
 313 {
 314     Menu *m;
 315
 316     if (self->action) {
 317         self->action->data.any.c = self->parent->client;
 318         self->action->func(&self->action->data);
 319
 320         /* hide the whole thing */
 321         m = self->parent;
 322         while (m->parent) m = m->parent;
 323         menu_hide(m);
 324     }
 325 }
 326
 327 /*
 328    Default menu controller action for showing.
 329 */
 330
 331 void menu_control_show(Menu *self, int x, int y, Client *client) {
 332     g_assert(!self->invalid);
 333
 334     XMoveWindow(ob_display, self->frame,
 335                 MIN(x, screen_physical_size.width - self->size.width),
 336                 MIN(y, screen_physical_size.height - self->size.height));
 337     POINT_SET(self->location,
 338               MIN(x, screen_physical_size.width - self->size.width),
 339               MIN(y, screen_physical_size.height - self->size.height));
 340
 341     if (!self->shown) {
 342         XMapWindow(ob_display, self->frame);
 343         stacking_raise(MENU_AS_WINDOW(self));
 344         self->shown = TRUE;
 345     } else if (self->shown && self->open_submenu) {
 346         menu_hide(self->open_submenu);
 347     }
 348 }
 349
 350 void menu_control_mouseover(MenuEntry *self, gboolean enter) {
 351     int x;
 352     self->hilite = enter;
 353
 354     if (enter) {
 355         if (self->parent->open_submenu && self->submenu
 356             != self->parent->open_submenu)
 357             menu_hide(self->parent->open_submenu);
 358
 359         if (self->submenu) {
 360             self->parent->open_submenu = self->submenu;
 361
 362             /* shouldn't be invalid since it must be displayed */
 363             g_assert(!self->parent->invalid);
 364             /* TODO: I don't understand why these bevels should be here.
 365                Something must be wrong in the width calculation */
 366             x = self->parent->location.x + self->parent->size.width +
 367                 theme_bevel;
 368
 369             /* need to get the width. is this bad?*/
 370             menu_render(self->submenu);
 371
 372             if (self->submenu->size.width + x > screen_physical_size.width)
 373                 x = self->parent->location.x - self->submenu->size.width -
 374                     theme_bevel;
 375
 376             menu_show_full(self->submenu, x,
 377                            self->parent->location.y + self->y,
 378                            self->parent->client);
 379         }
 380     }
 381 }