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