/** Return window struts (reserved space at the edge of the screen).
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
*/
static int
luaA_window_struts(lua_State *L)
{
window_t *window = luaA_checkudata(L, 1, &window_class);
if(lua_gettop(L) == 2)
{
luaA_tostrut(L, 2, &window->strut);
ewmh_update_strut(window->window, &window->strut);
luaA_object_emit_signal(L, 1, "property::struts", 0);
/* FIXME: Only emit if the workarea actually changed
* (= window is visible, only on the right screen)? */
foreach(s, globalconf.screens)
screen_emit_signal(L, s, "property::workarea", 0);
}
return luaA_pushstrut(L, window->strut);
}
/** Remove a tag from screen. Tag must be on a screen and have no clients.
* \param tag The tag to remove.
*/
void
tag_remove_from_screen(tag_t *tag)
{
if(!tag->screen)
return;
int screen_index = screen_array_indexof(&globalconf.screens, tag->screen);
int phys_screen = screen_virttophys(screen_index);
tag_array_t *tags = &tag->screen->tags;
for(int i = 0; i < tags->len; i++)
if(tags->tab[i] == tag)
{
tag_array_take(tags, i);
break;
}
/* tag was selected? If so, reban */
if(tag->selected)
banning_need_update(tag->screen);
ewmh_update_net_numbers_of_desktop(phys_screen);
ewmh_update_net_desktop_names(phys_screen);
/* call hook */
if(globalconf.hooks.tags != LUA_REFNIL)
{
lua_pushnumber(globalconf.L, screen_index + 1);
luaA_object_push(globalconf.L, tag);
lua_pushliteral(globalconf.L, "remove");
luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.tags, 3, 0);
}
screen_t *s = tag->screen;
tag->screen = NULL;
luaA_object_push(globalconf.L, tag);
luaA_object_emit_signal(globalconf.L, -1, "property::screen", 0);
screen_emit_signal(globalconf.L, s, "tag::detach", 1);
luaA_object_unref(globalconf.L, tag);
}
/** Append a tag to a screen.
* \param L The Lua VM state.
* \param udx The tag index on the stack.
* \param s The screen.
*/
void
tag_append_to_screen(lua_State *L, int udx, screen_t *s)
{
tag_t *tag = luaA_checkudata(globalconf.L, udx, &tag_class);
/* can't attach a tag twice */
if(tag->screen)
{
lua_remove(L, udx);
return;
}
int screen_index = screen_array_indexof(&globalconf.screens, s);
int phys_screen = screen_virttophys(screen_index);
tag->screen = s;
tag_array_append(&s->tags, luaA_object_ref_class(globalconf.L, udx, &tag_class));
ewmh_update_net_numbers_of_desktop(phys_screen);
ewmh_update_net_desktop_names(phys_screen);
luaA_object_push(globalconf.L, tag);
luaA_object_emit_signal(L, -1, "property::screen", 0);
lua_pop(L, 1);
/* call hook */
if(globalconf.hooks.tags != LUA_REFNIL)
{
lua_pushnumber(globalconf.L, screen_index + 1);
luaA_object_push(globalconf.L, tag);
lua_pushliteral(globalconf.L, "add");
luaA_dofunction_from_registry(globalconf.L, globalconf.hooks.tags, 3, 0);
}
luaA_object_push(globalconf.L, tag);
screen_emit_signal(globalconf.L, s, "tag::attach", 1);
}
