openbox/menu.c

   1 #include "menu.h"
   2 #include "openbox.h"
   3 #include "render/theme.h"
   4
   5 static GHashTable *menu_hash = NULL;
   6 GHashTable *menu_map = NULL;
   7
   8 #define TITLE_EVENTMASK (ButtonMotionMask)
   9 #define ENTRY_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
  10                          ButtonPressMask | ButtonReleaseMask)
  11
  12 void menu_destroy_hash_key(gpointer data)
  13 {
  14     g_free(data);
  15 }
  16
  17 void menu_destroy_hash_value(Menu *self)
  18 {
  19     GList *it;
  20     MenuRenderData *data = self->render_data;
  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, &data->title);
  30     g_hash_table_remove(menu_map, &data->frame);
  31     g_hash_table_remove(menu_map, &data->items);
  32
  33     appearance_free(data->a_title);
  34     XDestroyWindow(ob_display, data->title);
  35     XDestroyWindow(ob_display, data->frame);
  36     XDestroyWindow(ob_display, data->items);
  37
  38     g_free(self);
  39 }
  40
  41 void menu_entry_free(MenuEntry *self)
  42 {
  43     MenuEntryRenderData *data = self->render_data;
  44
  45     g_free(self->label);
  46     g_free(self->render_data);
  47     action_free(self->action);
  48
  49     g_hash_table_remove(menu_map, &data->item);
  50
  51     appearance_free(data->a_item);
  52     XDestroyWindow(ob_display, data->item);
  53
  54     g_free(self);
  55 }
  56
  57 void menu_startup()
  58 {
  59     Menu *m;
  60
  61     menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
  62                                       menu_destroy_hash_key,
  63                                       (GDestroyNotify)menu_destroy_hash_value);
  64     menu_map = g_hash_table_new(g_int_hash, g_int_equal);
  65
  66     m = menu_new("sex menu", "root", NULL);
  67     menu_add_entry(m, menu_entry_new("foo shit etc bleh",
  68                                      action_from_string("restart")));
  69     menu_add_entry(m, menu_entry_new("more shit",
  70                                      action_from_string("restart")));
  71     menu_add_entry(m, menu_entry_new("",
  72                                      action_from_string("restart")));
  73     menu_add_entry(m, menu_entry_new("and yet more",
  74                                      action_from_string("restart")));
  75 }
  76
  77 void menu_shutdown()
  78 {
  79     g_hash_table_destroy(menu_hash);
  80     g_hash_table_destroy(menu_map);
  81 }
  82
  83 static Window createWindow(Window parent, unsigned long mask,
  84                            XSetWindowAttributes *attrib)
  85 {
  86     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
  87                          render_depth, InputOutput, render_visual,
  88                          mask, attrib);
  89
  90 }
  91
  92 Menu *menu_new(char *label, char *name, Menu *parent)
  93 {
  94     XSetWindowAttributes attrib;
  95     Menu *self;
  96     MenuRenderData *data;
  97
  98     self = g_new0(Menu, 1);
  99     self->label = g_strdup(label);
 100     self->name = g_strdup(name);
 101     self->parent = parent;
 102
 103     self->entries = NULL;
 104     self->shown = FALSE;
 105     self->invalid = FALSE;
 106     /* default controllers? */
 107
 108     data = g_new(MenuRenderData, 1);
 109
 110     attrib.override_redirect = TRUE;
 111     data->frame = createWindow(ob_root, CWOverrideRedirect, &attrib);
 112     attrib.event_mask = TITLE_EVENTMASK;
 113     data->title = createWindow(data->frame, CWEventMask, &attrib);
 114     data->items = createWindow(data->frame, 0, &attrib);
 115
 116     XSetWindowBorderWidth(ob_display, data->frame, theme_bwidth);
 117     XSetWindowBorderWidth(ob_display, data->title, theme_bwidth);
 118     XSetWindowBorder(ob_display, data->frame, theme_b_color->pixel);
 119     XSetWindowBorder(ob_display, data->title, theme_b_color->pixel);
 120
 121     XMapWindow(ob_display, data->title);
 122     XMapWindow(ob_display, data->items);
 123
 124     data->a_title = appearance_copy(theme_a_menu_title);
 125     data->a_items = appearance_copy(theme_a_menu);
 126
 127     self->render_data = data;
 128
 129     g_hash_table_insert(menu_map, &data->frame, self);
 130     g_hash_table_insert(menu_map, &data->title, self);
 131     g_hash_table_insert(menu_map, &data->items, self);
 132     g_hash_table_insert(menu_hash, g_strdup(name), self);
 133     return self;
 134 }
 135
 136 void menu_free(char *name)
 137 {
 138     g_hash_table_remove(menu_hash, name);
 139 }
 140
 141 MenuEntry *menu_entry_new_full(char *label, Action *action,
 142                                MenuEntryRenderType render_type,
 143                                gpointer submenu)
 144 {
 145     MenuEntry *menu_entry = g_new(MenuEntry, 1);
 146
 147     menu_entry->label = g_strdup(label);
 148     menu_entry->render_type = render_type;
 149     menu_entry->action = action;
 150
 151     menu_entry->render_data = NULL;
 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     MenuEntryRenderData *data;
 170     XSetWindowAttributes attrib;
 171
 172     g_assert(menu != NULL && entry != NULL && entry->render_data == NULL);
 173
 174     menu->entries = g_list_append(menu->entries, entry);
 175     entry->parent = menu;
 176
 177     data = g_new(MenuEntryRenderData, 1);
 178     data->item = createWindow(((MenuRenderData*)menu->render_data)->items,
 179                               0, &attrib);
 180     XMapWindow(ob_display, data->item);
 181     data->a_item = appearance_copy(theme_a_menu_item);
 182
 183     entry->render_data = data;
 184
 185     menu->invalid = TRUE;
 186
 187     g_hash_table_insert(menu_map, &data->item, menu);
 188 }
 189
 190 void menu_show(char *name, int x, int y, Client *client)
 191 {
 192     Menu *self;
 193     MenuRenderData *data;
 194     GList *it;
 195     int w = 1;
 196     int items_h;
 197     int item_h = 0, nitems = 0; /* each item, only one is used */
 198     int item_y;
 199     int bullet_w;
 200
 201     self = g_hash_table_lookup(menu_hash, name);
 202     if (!self) {
 203         g_warning("Attempted to show menu '%s' but it does not exist.",
 204                   name);
 205         return;
 206     }
 207
 208     data = self->render_data;
 209
 210     /* set texture data and size them mofos out */
 211     data->a_title->texture[0].data.text.string = self->label;
 212     appearance_minsize(data->a_title, &data->title_min_w, &data->title_h);
 213     data->title_min_w += theme_bevel * 2;
 214     data->title_h += theme_bevel * 2;
 215     w = MAX(w, data->title_min_w);
 216
 217     for (it = self->entries; it; it = it->next) {
 218         MenuEntryRenderData *r = ((MenuEntry*)it->data)->render_data;
 219
 220         r->a_item->texture[0].data.text.string = ((MenuEntry*)it->data)->label;
 221         appearance_minsize(r->a_item, &r->min_w, &item_h);
 222         r->min_w += theme_bevel * 2;
 223         item_h += theme_bevel * 2;
 224         w = MAX(w, r->min_w);
 225         ++nitems;
 226     }
 227     bullet_w = item_h + theme_bevel;
 228     w += 2 * bullet_w;
 229     items_h = item_h * nitems;
 230
 231     /* size appearances */
 232     RECT_SET(data->a_title->area, 0, 0, w, data->title_h);
 233     RECT_SET(data->a_title->texture[0].position, 0, 0, w, data->title_h);
 234     RECT_SET(data->a_items->area, 0, 0, w, items_h);
 235     for (it = self->entries; it; it = it->next) {
 236         MenuEntryRenderData *r = ((MenuEntry*)it->data)->render_data;
 237         RECT_SET(r->a_item->area, 0, 0, w, item_h);
 238         RECT_SET(r->a_item->texture[0].position, bullet_w, 0,
 239                  w - 2 * bullet_w, item_h);
 240     }
 241
 242     /* size windows and paint the suckers */
 243     XMoveResizeWindow(ob_display, data->frame, x, y, w,
 244                       data->title_h + items_h);
 245     XMoveResizeWindow(ob_display, data->title, -theme_bwidth, -theme_bwidth,
 246                       w, data->title_h);
 247     paint(data->title, data->a_title);
 248     XMoveResizeWindow(ob_display, data->items, 0, data->title_h + theme_bwidth,
 249                       w, items_h);
 250     paint(data->items, data->a_items);
 251     for (item_y = 0, it = self->entries; it; item_y += item_h, it = it->next) {
 252         MenuEntryRenderData *r = ((MenuEntry*)it->data)->render_data;
 253         XMoveResizeWindow(ob_display, r->item, 0, item_y, w, item_h);
 254         r->a_item->surface.data.planar.parent = data->a_items;
 255         r->a_item->surface.data.planar.parentx = 0;
 256         r->a_item->surface.data.planar.parenty = item_y;
 257         paint(r->item, r->a_item);
 258     }
 259
 260
 261     XMapWindow(ob_display, data->frame);
 262 }