openbox/menu.c

   1 #include "menu.h"
   2 #include "openbox.h"
   3 #include "stacking.h"
   4 #include "render/theme.h"
   5
   6 static GHashTable *menu_hash = NULL;
   7 GHashTable *menu_map = NULL;
   8
   9 #define TITLE_EVENTMASK (ButtonPressMask | ButtonMotionMask)
  10 #define ENTRY_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
  11                          ButtonPressMask | ButtonReleaseMask)
  12
  13 void menu_destroy_hash_key(gpointer data)
  14 {
  15     g_free(data);
  16 }
  17
  18 void menu_destroy_hash_value(Menu *self)
  19 {
  20     GList *it;
  21
  22     for (it = self->entries; it; it = it->next)
  23         menu_entry_free(it->data);
  24     g_list_free(self->entries);
  25
  26     g_free(self->label);
  27     g_free(self->name);
  28
  29     g_hash_table_remove(menu_map, &self->title);
  30     g_hash_table_remove(menu_map, &self->frame);
  31     g_hash_table_remove(menu_map, &self->items);
  32
  33     appearance_free(self->a_title);
  34     XDestroyWindow(ob_display, self->title);
  35     XDestroyWindow(ob_display, self->frame);
  36     XDestroyWindow(ob_display, self->items);
  37
  38     g_free(self);
  39 }
  40
  41 void menu_entry_free(MenuEntry *self)
  42 {
  43     g_free(self->label);
  44     action_free(self->action);
  45
  46     g_hash_table_remove(menu_map, &self->item);
  47
  48     appearance_free(self->a_item);
  49     appearance_free(self->a_disabled);
  50     appearance_free(self->a_hilite);
  51     XDestroyWindow(ob_display, self->item);
  52
  53     g_free(self);
  54 }
  55
  56 void menu_startup()
  57 {
  58     Menu *m;
  59
  60     menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
  61                                       menu_destroy_hash_key,
  62                                       (GDestroyNotify)menu_destroy_hash_value);
  63     menu_map = g_hash_table_new(g_int_hash, g_int_equal);
  64
  65     m = menu_new("sex menu", "root", NULL);
  66     menu_add_entry(m, menu_entry_new("foo shit etc bleh",
  67                                      action_from_string("restart")));
  68     menu_add_entry(m, menu_entry_new("more shit",
  69                                      action_from_string("restart")));
  70     menu_add_entry(m, menu_entry_new("",
  71                                      action_from_string("restart")));
  72     menu_add_entry(m, menu_entry_new("and yet more",
  73                                      action_from_string("restart")));
  74 }
  75
  76 void menu_shutdown()
  77 {
  78     g_hash_table_destroy(menu_hash);
  79     g_hash_table_destroy(menu_map);
  80 }
  81
  82 static Window createWindow(Window parent, unsigned long mask,
  83                            XSetWindowAttributes *attrib)
  84 {
  85     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
  86                          render_depth, InputOutput, render_visual,
  87                          mask, attrib);
  88
  89 }
  90
  91 Menu *menu_new(char *label, char *name, Menu *parent)
  92 {
  93     XSetWindowAttributes attrib;
  94     Menu *self;
  95
  96     self = g_new0(Menu, 1);
  97     self->label = g_strdup(label);
  98     self->name = g_strdup(name);
  99     self->parent = parent;
 100
 101     self->entries = NULL;
 102     self->shown = FALSE;
 103     self->invalid = FALSE;
 104     /* default controllers? */
 105
 106     attrib.override_redirect = TRUE;
 107     self->frame = createWindow(ob_root, CWOverrideRedirect, &attrib);
 108     attrib.event_mask = TITLE_EVENTMASK;
 109     self->title = createWindow(self->frame, CWEventMask, &attrib);
 110     self->items = createWindow(self->frame, 0, &attrib);
 111
 112     XSetWindowBorderWidth(ob_display, self->frame, theme_bwidth);
 113     XSetWindowBorderWidth(ob_display, self->title, theme_bwidth);
 114     XSetWindowBorder(ob_display, self->frame, theme_b_color->pixel);
 115     XSetWindowBorder(ob_display, self->title, theme_b_color->pixel);
 116
 117     XMapWindow(ob_display, self->title);
 118     XMapWindow(ob_display, self->items);
 119
 120     self->a_title = appearance_copy(theme_a_menu_title);
 121     self->a_items = appearance_copy(theme_a_menu);
 122
 123     g_hash_table_insert(menu_map, &self->frame, self);
 124     g_hash_table_insert(menu_map, &self->title, self);
 125     g_hash_table_insert(menu_map, &self->items, self);
 126     g_hash_table_insert(menu_hash, g_strdup(name), self);
 127     return self;
 128 }
 129
 130 void menu_free(char *name)
 131 {
 132     g_hash_table_remove(menu_hash, name);
 133 }
 134
 135 MenuEntry *menu_entry_new_full(char *label, Action *action,
 136                                MenuEntryRenderType render_type,
 137                                gpointer submenu)
 138 {
 139     MenuEntry *menu_entry = g_new0(MenuEntry, 1);
 140
 141     menu_entry->label = g_strdup(label);
 142     menu_entry->render_type = render_type;
 143     menu_entry->action = action;
 144
 145     menu_entry->hilite = FALSE;
 146     menu_entry->enabled = TRUE;
 147
 148     menu_entry->submenu = submenu;
 149
 150     return menu_entry;
 151 }
 152
 153 void menu_entry_set_submenu(MenuEntry *entry, Menu *submenu)
 154 {
 155     g_assert(entry != NULL);
 156
 157     entry->submenu = submenu;
 158
 159     if(entry->parent != NULL)
 160         entry->parent->invalid = TRUE;
 161 }
 162
 163 void menu_add_entry(Menu *menu, MenuEntry *entry)
 164 {
 165     XSetWindowAttributes attrib;
 166
 167     g_assert(menu != NULL && entry != NULL && entry->item == None);
 168
 169     menu->entries = g_list_append(menu->entries, entry);
 170     entry->parent = menu;
 171
 172     attrib.event_mask = ENTRY_EVENTMASK;
 173     entry->item = createWindow(menu->items, CWEventMask, &attrib);
 174     XMapWindow(ob_display, entry->item);
 175     entry->a_item = appearance_copy(theme_a_menu_item);
 176     entry->a_disabled = appearance_copy(theme_a_menu_disabled);
 177     entry->a_hilite = appearance_copy(theme_a_menu_hilite);
 178
 179     menu->invalid = TRUE;
 180
 181     g_hash_table_insert(menu_map, &entry->item, menu);
 182 }
 183
 184 void menu_show(char *name, int x, int y, Client *client)
 185 {
 186     Menu *self;
 187     GList *it;
 188     int items_h;
 189     int nitems = 0; /* each item, only one is used */
 190     int item_y;
 191
 192     self = g_hash_table_lookup(menu_hash, name);
 193     if (!self) {
 194         g_warning("Attempted to show menu '%s' but it does not exist.",
 195                   name);
 196         return;
 197     }
 198
 199     self->width = 1;
 200     self->item_h = 0;
 201
 202     /* set texture data and size them mofos out */
 203     self->a_title->texture[0].data.text.string = self->label;
 204     appearance_minsize(self->a_title, &self->title_min_w, &self->title_h);
 205     self->title_min_w += theme_bevel * 2;
 206     self->title_h += theme_bevel * 2;
 207     self->width = MAX(self->width, self->title_min_w);
 208
 209     for (it = self->entries; it; it = it->next) {
 210         MenuEntry *e = it->data;
 211         int h;
 212
 213         e->a_item->texture[0].data.text.string = e->label;
 214         appearance_minsize(e->a_item, &e->min_w, &self->item_h);
 215         self->width = MAX(self->width, e->min_w);
 216
 217         e->a_disabled->texture[0].data.text.string = e->label;
 218         appearance_minsize(e->a_disabled, &e->min_w, &h);
 219         self->item_h = MAX(self->item_h, h);
 220         self->width = MAX(self->width, e->min_w);
 221
 222         e->a_hilite->texture[0].data.text.string = e->label;
 223         appearance_minsize(e->a_hilite, &e->min_w, &h);
 224         self->item_h = MAX(self->item_h, h);
 225         self->width = MAX(self->width, e->min_w);
 226
 227         e->min_w += theme_bevel * 2;
 228         ++nitems;
 229     }
 230     self->bullet_w = self->item_h + theme_bevel;
 231     self->width += 2 * self->bullet_w;
 232     self->item_h += theme_bevel * 2;
 233     items_h = self->item_h * nitems;
 234
 235     RECT_SET(self->a_title->area, 0, 0, self->width, self->title_h);
 236     RECT_SET(self->a_title->texture[0].position, 0, 0, self->width,
 237              self->title_h);
 238     RECT_SET(self->a_items->area, 0, 0, self->width, items_h);
 239
 240     XMoveResizeWindow(ob_display, self->frame, x, y, self->width,
 241                       self->title_h + items_h);
 242     XMoveResizeWindow(ob_display, self->title, -theme_bwidth, -theme_bwidth,
 243                       self->width, self->title_h);
 244     XMoveResizeWindow(ob_display, self->items, 0, self->title_h + theme_bwidth,
 245                       self->width, items_h);
 246
 247     paint(self->title, self->a_title);
 248     paint(self->items, self->a_items);
 249
 250     item_y = 0;
 251     for (it = self->entries; it; it = it->next) {
 252         ((MenuEntry*)it->data)->y = item_y;
 253         menu_entry_render(it->data);
 254         item_y += self->item_h;
 255     }
 256
 257     stacking_raise_internal(self->frame);
 258     XMapWindow(ob_display, self->frame);
 259 }
 260
 261 MenuEntry *menu_find_entry(Menu *menu, Window win)
 262 {
 263     GList *it;
 264
 265     for (it = menu->entries; it; it = it->next) {
 266         MenuEntry *entry = it->data;
 267         if (entry->item == win)
 268             return entry;
 269     }
 270     return NULL;
 271 }
 272
 273 void menu_entry_render(MenuEntry *self)
 274 {
 275     Menu *menu = self->parent;
 276     Appearance *a;
 277
 278     a = !self->enabled ? self->a_disabled :
 279         (self->hilite ? self->a_hilite : self->a_item);
 280
 281     RECT_SET(a->area, 0, 0, menu->width,
 282              menu->item_h);
 283     RECT_SET(a->texture[0].position, menu->bullet_w,
 284              0, menu->width - 2 * menu->bullet_w,
 285              menu->item_h);
 286
 287     XMoveResizeWindow(ob_display, self->item, 0, self->y,
 288                       menu->width, menu->item_h);
 289     a->surface.data.planar.parent = menu->a_items;
 290     a->surface.data.planar.parentx = 0;
 291     a->surface.data.planar.parenty = self->y;
 292
 293     paint(self->item, a);
 294 }