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e17/comp: sniff some property events from override redirect windows and support _NET_WM_WINDOW_OPACITY 

no more opaque black background for gksu


SVN revision: 57805
This commit is contained in:
Hannes Janetzek 2011-03-16 21:25:35 +00:00
parent 22f3ce7e66
commit 5732e6300d
1 changed files with 32 additions and 1 deletions
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33
src/modules/comp/e_mod_comp.c
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@ -120,6 +120,8 @@ struct _E_Comp_Win
Eina_Bool real_hid : 1; // last hide was a real window unmap
Eina_Bool inhash : 1; // is in the windows hash
Eina_Bool show_ready : 1; // is this window ready for its first show
unsigned int opacity; // opacity set with _NET_WM_WINDOW_OPACITY
};
static Eina_List *handlers = NULL;
@ -1584,6 +1586,7 @@ _e_mod_comp_win_add(E_Comp *c, Ecore_X_Window win)
if (!cw) return NULL;
cw->win = win;
cw->c = c;
cw->opacity = 255.0;
cw->bd = e_border_find_by_window(cw->win);
if (_comp_mod->conf->grab) ecore_x_grab();
if (cw->bd)
@ -1692,6 +1695,7 @@ _e_mod_comp_win_add(E_Comp *c, Ecore_X_Window win)
cw->primary_type = ECORE_X_WINDOW_TYPE_UNKNOWN;
// setup on show
// _e_mod_comp_win_sync_setup(cw, cw->win);
ecore_x_window_sniff(cw->win);
}
if (!cw->counter)
@ -2423,10 +2427,29 @@ _e_mod_comp_stack(void *data __UNUSED__, int type __UNUSED__, void *event)
return ECORE_CALLBACK_PASS_ON;
}
static void
_e_mod_comp_win_opacity_set(E_Comp_Win *cw)
{
unsigned int val;
if (ecore_x_window_prop_card32_get(cw->win, ECORE_X_ATOM_NET_WM_WINDOW_OPACITY, &val, 1) > 0)
{
cw->opacity = (val >> 24);
evas_object_color_set(cw->shobj, cw->opacity, cw->opacity, cw->opacity, cw->opacity);
}
}
static Eina_Bool
_e_mod_comp_property(void *data __UNUSED__, int type __UNUSED__, void *event __UNUSED__)
{
// Ecore_X_Event_Window_Property *ev = event;
Ecore_X_Event_Window_Property *ev = event;
if (ev->atom == ECORE_X_ATOM_NET_WM_WINDOW_OPACITY)
{
E_Comp_Win *cw = _e_mod_comp_win_find(ev->win);
if (!cw) return ECORE_CALLBACK_PASS_ON;
_e_mod_comp_win_opacity_set(cw);
}
return ECORE_CALLBACK_PASS_ON;
}
@ -2435,6 +2458,14 @@ _e_mod_comp_message(void *data __UNUSED__, int type __UNUSED__, void *event)
{
Ecore_X_Event_Client_Message *ev = event;
E_Comp_Win *cw = NULL;
if (ev->message_type == ECORE_X_ATOM_NET_WM_WINDOW_OPACITY)
{
E_Comp_Win *cw = _e_mod_comp_win_find(ev->win);
if (!cw) return ECORE_CALLBACK_PASS_ON;
_e_mod_comp_win_opacity_set(cw);
return ECORE_CALLBACK_PASS_ON;
}
if ((ev->message_type != ECORE_X_ATOM_E_COMP_SYNC_DRAW_DONE) ||
(ev->format != 32)) return ECORE_CALLBACK_PASS_ON;
cw = _e_mod_comp_border_client_find(ev->data.l[0]);