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tag: add support for tag screen change 

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2008-08-08 14:39:03 +02:00
parent 81da69b282
commit 856eb1a9b2
1 changed files with 65 additions and 19 deletions
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84
tag.c
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@ -103,6 +103,29 @@ tag_append_to_screen(tag_t *tag, int screen)
widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
}
/** Remove a tag from screen. Tag must be on a screen and have no clients.
* \param tag The tag to remove.
*/
static void
tag_remove_from_screen(tag_t *tag)
{
int phys_screen = screen_virttophys(tag->screen);
tag_array_t *tags = &globalconf.screens[tag->screen].tags;
for(int i = 0; i < tags->len; i++)
if(tags->tab[i] == tag)
{
tag_array_take(tags, i);
break;
}
ewmh_update_net_numbers_of_desktop(phys_screen);
ewmh_update_net_desktop_names(phys_screen);
ewmh_update_workarea(phys_screen);
widget_invalidate_cache(tag->screen, WIDGET_CACHE_TAGS);
tag->screen = SCREEN_UNDEF;
tag_unref(&tag);
}
/** Tag a client with specified tag.
* \param c the client to tag
* \param t the tag to tag the client with
@ -376,6 +399,22 @@ luaA_tag_index(lua_State *L)
return 1;
}
/** Get a screen by its name.
* \param screen The screen to look into.
* \param name The name.
*/
static tag_t *
tag_getbyname(int screen, const char *name)
{
int i;
tag_array_t *tags = &globalconf.screens[screen].tags;
for(i = 0; i < tags->len; i++)
if(!a_strcmp(name, tags->tab[i]->name))
return tags->tab[i];
return NULL;
}
/** Tag newindex.
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
@ -387,7 +426,7 @@ luaA_tag_newindex(lua_State *L)
tag_t **tag = luaA_checkudata(L, 1, "tag");
const char *buf, *attr = luaL_checklstring(L, 2, &len);
double d;
int i;
int i, screen;
layout_t *l;
client_t **c;
@ -397,34 +436,41 @@ luaA_tag_newindex(lua_State *L)
buf = luaL_checklstring(L, 3, &len);
if((*tag)->screen != SCREEN_UNDEF)
{
tag_array_t *tags = &globalconf.screens[(*tag)->screen].tags;
for(i = 0; i < tags->len; i++)
if(tags->tab[i] != *tag && !a_strcmp(buf, tags->tab[i]->name))
luaL_error(L, "a tag with the name `%s' is already on screen %d",
buf, (*tag)->screen);
if(tag_getbyname((*tag)->screen, (*tag)->name) != *tag)
luaL_error(L, "a tag with the name `%s' is already on screen %d",
buf, (*tag)->screen);
widget_invalidate_cache((*tag)->screen, WIDGET_CACHE_TAGS);
}
p_delete(&(*tag)->name);
a_iso2utf8(&(*tag)->name, buf, len);
break;
case A_TK_SCREEN:
if((*tag)->screen == SCREEN_UNDEF)
if(!lua_isnil(L, 3))
{
int screen = luaL_checknumber(L, 3) - 1;
screen = luaL_checknumber(L, 3) - 1;
luaA_checkscreen(screen);
tag_array_t *tags = &globalconf.screens[screen].tags;
for(i = 0; i < tags->len; i++)
if(tags->tab[i] != *tag && !a_strcmp((*tag)->name, tags->tab[i]->name))
luaL_error(L, "a tag with the name `%s' is already on screen %d",
(*tag)->name, screen);
tag_append_to_screen(*tag, screen);
return 0;
}
else
luaL_error(L, "tag already on screen %d", (*tag)->screen + 1);
screen = SCREEN_UNDEF;
if((*tag)->screen != SCREEN_UNDEF)
{
if((*tag)->clients.len)
luaL_error(L, "unable to remove tag %s from screen %d, it still has clients",
(*tag)->name, (*tag)->screen);
else
tag_remove_from_screen(*tag);
}
if(screen != SCREEN_UNDEF)
{
if(tag_getbyname(screen, (*tag)->name))
luaL_error(L, "a tag with the name `%s' is already on screen %d",
(*tag)->name, screen);
tag_append_to_screen(*tag, screen);
}
break;
case A_TK_LAYOUT:
buf = luaL_checkstring(L, 3);
l = name_func_lookup(buf, LayoutList);