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titlebar: fix memory leak on error, add widget_remove 

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2008-07-01 22:58:59 +02:00
parent 78eca81072
commit 3e9cf64123
1 changed files with 35 additions and 2 deletions
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37
titlebar.c
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@ -347,8 +347,8 @@ luaA_titlebar_widget_add(lua_State *L)
{
titlebar_t **tb = luaA_checkudata(L, 1, "titlebar");
widget_t **widget = luaA_checkudata(L, 2, "widget");
widget_node_t *witer, *w = p_new(widget_node_t, 1);
widget_node_t *witer, *w;
if((*widget)->type == systray_new)
luaL_error(L, "cannot add systray widget to titlebar");
@ -358,6 +358,8 @@ luaA_titlebar_widget_add(lua_State *L)
&& !a_strcmp(witer->widget->name, (*widget)->name))
luaL_error(L, "a widget with name `%s' already on titlebar", witer->widget->name);
w = p_new(widget_node_t, 1);
w->widget = *widget;
widget_node_list_append(&(*tb)->widgets, w);
widget_ref(widget);
@ -367,6 +369,36 @@ luaA_titlebar_widget_add(lua_State *L)
return 0;
}
/** Remove a widget from a titlebar.
* \param L The Lua VM State.
*
* \luastack
* \lvalue A statusbar.
* \lparam A widget.
*/
static int
luaA_titlebar_widget_remove(lua_State *L)
{
titlebar_t **tb = luaA_checkudata(L, 1, "titlebar");
widget_t **widget = luaA_checkudata(L, 2, "widget");
widget_node_t *w, *wnext;
for(w = (*tb)->widgets; w; w = wnext)
{
wnext = w->next;
if(w->widget == *widget)
{
widget_unref(widget);
widget_node_list_detach(&(*tb)->widgets, w);
p_delete(&w);
titlebar_draw(client_getbytitlebar(*tb));
}
}
return 0;
}
/** Get all widgets from a titlebar.
* \param L The Lua VM state.
* \return The number of value pushed.
@ -545,6 +577,7 @@ const struct luaL_reg awesome_titlebar_methods[] =
const struct luaL_reg awesome_titlebar_meta[] =
{
{ "widget_add", luaA_titlebar_widget_add },
{ "widget_remove", luaA_titlebar_widget_remove },
{ "widget_get", luaA_titlebar_widget_get },
{ "client_get", luaA_titlebar_client_get },
{ "__index", luaA_titlebar_index },