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