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
   7 static GHashTable *menu_hash = NULL;
   8 GHashTable *menu_map = NULL;
   9
  10 #define FRAME_EVENTMASK (ButtonMotionMask | EnterWindowMask | LeaveWindowMask)
  11 #define TITLE_EVENTMASK (ButtonPressMask | ButtonMotionMask)
  12 #define ENTRY_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
  13                          ButtonPressMask | ButtonReleaseMask)
  14
  15 void menu_destroy_hash_key(gpointer data)
  16 {
  17     g_free(data);
  18 }
  19
  20 void menu_destroy_hash_value(Menu *self)
  21 {
  22     GList *it;
  23
  24     for (it = self->entries; it; it = it->next)
  25         menu_entry_free(it->data);
  26     g_list_free(self->entries);
  27
  28     g_free(self->label);
  29     g_free(self->name);
  30
  31     g_hash_table_remove(menu_map, &self->title);
  32     g_hash_table_remove(menu_map, &self->frame);
  33     g_hash_table_remove(menu_map, &self->items);
  34
  35     appearance_free(self->a_title);
  36     XDestroyWindow(ob_display, self->title);
  37     XDestroyWindow(ob_display, self->frame);
  38     XDestroyWindow(ob_display, self->items);
  39
  40     g_free(self);
  41 }
  42
  43 void menu_entry_free(MenuEntry *self)
  44 {
  45     g_free(self->label);
  46     action_free(self->action);
  47
  48     g_hash_table_remove(menu_map, &self->item);
  49
  50     appearance_free(self->a_item);
  51     appearance_free(self->a_disabled);
  52     appearance_free(self->a_hilite);
  53     XDestroyWindow(ob_display, self->item);
  54
  55     g_free(self);
  56 }
  57
  58 void menu_startup()
  59 {
  60     Menu *m;
  61     Action *a;
  62
  63     menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
  64                                       menu_destroy_hash_key,
  65                                       (GDestroyNotify)menu_destroy_hash_value);
  66     menu_map = g_hash_table_new(g_int_hash, g_int_equal);
  67
  68     m = menu_new("sex menu", "root", NULL);
  69     a = action_from_string("execute");
  70     a->data.execute.path = g_strdup("xterm");
  71     menu_add_entry(m, menu_entry_new("xterm", a));
  72     a = action_from_string("restart");
  73     menu_add_entry(m, menu_entry_new("restart", a));
  74     menu_add_entry(m, menu_entry_new("--", NULL));
  75     a = action_from_string("exit");
  76     menu_add_entry(m, menu_entry_new("exit", a));
  77 }
  78
  79 void menu_shutdown()
  80 {
  81     g_hash_table_destroy(menu_hash);
  82     g_hash_table_destroy(menu_map);
  83 }
  84
  85 static Window createWindow(Window parent, unsigned long mask,
  86                            XSetWindowAttributes *attrib)
  87 {
  88     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
  89                          render_depth, InputOutput, render_visual,
  90                          mask, attrib);
  91
  92 }
  93
  94 Menu *menu_new(char *label, char *name, Menu *parent)
  95 {
  96     XSetWindowAttributes attrib;
  97     Menu *self;
  98
  99     self = g_new0(Menu, 1);
 100     self->label = g_strdup(label);
 101     self->name = g_strdup(name);
 102     self->parent = parent;
 103
 104     self->entries = NULL;
 105     self->shown = FALSE;
 106     self->invalid = FALSE;
 107     /* default controllers? */
 108
 109     attrib.override_redirect = TRUE;
 110     attrib.event_mask = FRAME_EVENTMASK;
 111     self->frame = createWindow(ob_root, CWOverrideRedirect|CWEventMask, &attrib);
 112     attrib.event_mask = TITLE_EVENTMASK;
 113     self->title = createWindow(self->frame, CWEventMask, &attrib);
 114     self->items = createWindow(self->frame, 0, &attrib);
 115
 116     XSetWindowBorderWidth(ob_display, self->frame, theme_bwidth);
 117     XSetWindowBorderWidth(ob_display, self->title, theme_bwidth);
 118     XSetWindowBorder(ob_display, self->frame, theme_b_color->pixel);
 119     XSetWindowBorder(ob_display, self->title, theme_b_color->pixel);
 120
 121     XMapWindow(ob_display, self->title);
 122     XMapWindow(ob_display, self->items);
 123
 124     self->a_title = appearance_copy(theme_a_menu_title);
 125     self->a_items = appearance_copy(theme_a_menu);
 126
 127     g_hash_table_insert(menu_map, &self->frame, self);
 128     g_hash_table_insert(menu_map, &self->title, self);
 129     g_hash_table_insert(menu_map, &self->items, self);
 130     g_hash_table_insert(menu_hash, g_strdup(name), self);
 131     return self;
 132 }
 133
 134 void menu_free(char *name)
 135 {
 136     g_hash_table_remove(menu_hash, name);
 137 }
 138
 139 MenuEntry *menu_entry_new_full(char *label, Action *action,
 140                                MenuEntryRenderType render_type,
 141                                gpointer submenu)
 142 {
 143     MenuEntry *menu_entry = g_new0(MenuEntry, 1);
 144
 145     menu_entry->label = g_strdup(label);
 146     menu_entry->render_type = render_type;
 147     menu_entry->action = action;
 148
 149     menu_entry->hilite = FALSE;
 150     menu_entry->enabled = TRUE;
 151
 152     menu_entry->submenu = submenu;
 153
 154     return menu_entry;
 155 }
 156
 157 void menu_entry_set_submenu(MenuEntry *entry, Menu *submenu)
 158 {
 159     g_assert(entry != NULL);
 160
 161     entry->submenu = submenu;
 162
 163     if(entry->parent != NULL)
 164         entry->parent->invalid = TRUE;
 165 }
 166
 167 void menu_add_entry(Menu *menu, MenuEntry *entry)
 168 {
 169     XSetWindowAttributes attrib;
 170
 171     g_assert(menu != NULL && entry != NULL && entry->item == None);
 172
 173     menu->entries = g_list_append(menu->entries, entry);
 174     entry->parent = menu;
 175
 176     attrib.event_mask = ENTRY_EVENTMASK;
 177     entry->item = createWindow(menu->items, CWEventMask, &attrib);
 178     XMapWindow(ob_display, entry->item);
 179     entry->a_item = appearance_copy(theme_a_menu_item);
 180     entry->a_disabled = appearance_copy(theme_a_menu_disabled);
 181     entry->a_hilite = appearance_copy(theme_a_menu_hilite);
 182
 183     menu->invalid = TRUE;
 184
 185     g_hash_table_insert(menu_map, &entry->item, menu);
 186 }
 187
 188 void menu_show(char *name, int x, int y, Client *client)
 189 {
 190     Menu *self;
 191     GList *it;
 192     int items_h;
 193     int nitems = 0; /* each item, only one is used */
 194     int item_y;
 195
 196     self = g_hash_table_lookup(menu_hash, name);
 197     if (!self) {
 198         g_warning("Attempted to show menu '%s' but it does not exist.",
 199                   name);
 200         return;
 201     }
 202
 203     self->client = client;
 204
 205     self->width = 1;
 206     self->item_h = 0;
 207
 208     /* set texture data and size them mofos out */
 209     self->a_title->texture[0].data.text.string = self->label;
 210     appearance_minsize(self->a_title, &self->title_min_w, &self->title_h);
 211     self->title_min_w += theme_bevel * 2;
 212     self->title_h += theme_bevel * 2;
 213     self->width = MAX(self->width, self->title_min_w);
 214
 215     for (it = self->entries; it; it = it->next) {
 216         MenuEntry *e = it->data;
 217         int h;
 218
 219         e->a_item->texture[0].data.text.string = e->label;
 220         appearance_minsize(e->a_item, &e->min_w, &self->item_h);
 221         self->width = MAX(self->width, e->min_w);
 222
 223         e->a_disabled->texture[0].data.text.string = e->label;
 224         appearance_minsize(e->a_disabled, &e->min_w, &h);
 225         self->item_h = MAX(self->item_h, h);
 226         self->width = MAX(self->width, e->min_w);
 227
 228         e->a_hilite->texture[0].data.text.string = e->label;
 229         appearance_minsize(e->a_hilite, &e->min_w, &h);
 230         self->item_h = MAX(self->item_h, h);
 231         self->width = MAX(self->width, e->min_w);
 232
 233         e->min_w += theme_bevel * 2;
 234         ++nitems;
 235     }
 236     self->bullet_w = self->item_h + theme_bevel;
 237     self->width += 2 * self->bullet_w;
 238     self->item_h += theme_bevel * 2;
 239     items_h = self->item_h * nitems;
 240
 241     RECT_SET(self->a_title->area, 0, 0, self->width, self->title_h);
 242     RECT_SET(self->a_title->texture[0].position, 0, 0, self->width,
 243              self->title_h);
 244     RECT_SET(self->a_items->area, 0, 0, self->width, items_h);
 245
 246     XMoveResizeWindow(ob_display, self->frame, x, y, self->width,
 247                       self->title_h + items_h);
 248     XMoveResizeWindow(ob_display, self->title, -theme_bwidth, -theme_bwidth,
 249                       self->width, self->title_h);
 250     XMoveResizeWindow(ob_display, self->items, 0, self->title_h + theme_bwidth,
 251                       self->width, items_h);
 252
 253     paint(self->title, self->a_title);
 254     paint(self->items, self->a_items);
 255
 256     item_y = 0;
 257     for (it = self->entries; it; it = it->next) {
 258         ((MenuEntry*)it->data)->y = item_y;
 259         menu_entry_render(it->data);
 260         item_y += self->item_h;
 261     }
 262
 263     if (!self->shown) {
 264         stacking_raise_internal(self->frame);
 265         XMapWindow(ob_display, self->frame);
 266 /*        grab_pointer_window(TRUE, None, self->frame);*/
 267         self->shown = TRUE;
 268     }
 269 }
 270
 271 void menu_hide(Menu *self) {
 272     if (self->shown) {
 273         XUnmapWindow(ob_display, self->frame);
 274         self->shown = FALSE;
 275     }
 276 }
 277
 278 MenuEntry *menu_find_entry(Menu *menu, Window win)
 279 {
 280     GList *it;
 281
 282     for (it = menu->entries; it; it = it->next) {
 283         MenuEntry *entry = it->data;
 284         if (entry->item == win)
 285             return entry;
 286     }
 287     return NULL;
 288 }
 289
 290 void menu_entry_render(MenuEntry *self)
 291 {
 292     Menu *menu = self->parent;
 293     Appearance *a;
 294
 295     a = !self->enabled ? self->a_disabled :
 296         (self->hilite && self->action ? self->a_hilite : self->a_item);
 297
 298     RECT_SET(a->area, 0, 0, menu->width,
 299              menu->item_h);
 300     RECT_SET(a->texture[0].position, menu->bullet_w,
 301              0, menu->width - 2 * menu->bullet_w,
 302              menu->item_h);
 303
 304     XMoveResizeWindow(ob_display, self->item, 0, self->y,
 305                       menu->width, menu->item_h);
 306     a->surface.data.planar.parent = menu->a_items;
 307     a->surface.data.planar.parentx = 0;
 308     a->surface.data.planar.parenty = self->y;
 309
 310     paint(self->item, a);
 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 }