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Bug fix #144: Workaround for insane window type changes 

Dynamically detect window type as a workaround to insane applications.
Thanks to Feltzer for reporting. (#144)
This commit is contained in:
Richard Grenville 2013-09-15 11:07:49 +08:00
parent 926ae379ba
commit 747ffaef0f
2 changed files with 40 additions and 25 deletions
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62
src/compton.c
View File

@ -2586,6 +2586,31 @@ calc_shadow_geometry(session_t *ps, win *w) {
w->shadow_height = w->heightb + ps->gaussian_map->size;
}
/**
* Update window type.
*/
static void
win_upd_wintype(session_t *ps, win *w) {
const wintype_t wtype_old = w->window_type;
// Detect window type here
w->window_type = wid_get_prop_wintype(ps, w->client_win);
// Conform to EWMH standard, if _NET_WM_WINDOW_TYPE is not present, take
// override-redirect windows or windows without WM_TRANSIENT_FOR as
// _NET_WM_WINDOW_TYPE_NORMAL, otherwise as _NET_WM_WINDOW_TYPE_DIALOG.
if (WINTYPE_UNKNOWN == w->window_type) {
if (w->a.override_redirect
|| !wid_has_prop(ps, w->client_win, ps->atom_transient))
w->window_type = WINTYPE_NORMAL;
else
w->window_type = WINTYPE_DIALOG;
}
if (w->window_type != wtype_old)
win_on_wtype_change(ps, w);
}
/**
* Mark a window as the client window of another.
*
@ -2608,32 +2633,11 @@ win_mark_client(session_t *ps, win *w, Window client) {
// Make sure the XSelectInput() requests are sent
XSync(ps->dpy, False);
// Get frame widths if needed
if (ps->o.frame_opacity) {
win_upd_wintype(ps, w);
// Get frame widths. The window is in damaged area already.
if (ps->o.frame_opacity)
get_frame_extents(ps, w, client);
}
{
wintype_t wtype_old = w->window_type;
// Detect window type here
if (WINTYPE_UNKNOWN == w->window_type)
w->window_type = wid_get_prop_wintype(ps, w->client_win);
// Conform to EWMH standard, if _NET_WM_WINDOW_TYPE is not present, take
// override-redirect windows or windows without WM_TRANSIENT_FOR as
// _NET_WM_WINDOW_TYPE_NORMAL, otherwise as _NET_WM_WINDOW_TYPE_DIALOG.
if (WINTYPE_UNKNOWN == w->window_type) {
if (w->a.override_redirect
|| !wid_has_prop(ps, client, ps->atom_transient))
w->window_type = WINTYPE_NORMAL;
else
w->window_type = WINTYPE_DIALOG;
}
if (w->window_type != wtype_old)
win_on_wtype_change(ps, w);
}
// Get window group
if (ps->o.track_leader)
@ -4027,6 +4031,14 @@ ev_property_notify(session_t *ps, XPropertyEvent *ev) {
}
}
// If _NET_WM_WINDOW_TYPE changes... God knows why this would happen, but
// there are always some stupid applications. (#144)
if (ev->atom == ps->atom_win_type) {
win *w = NULL;
if ((w = find_toplevel(ps, ev->window)))
win_upd_wintype(ps, w);
}
// If _NET_WM_OPACITY changes
if (ev->atom == ps->atom_opacity) {
win *w = NULL;

3
src/compton.h
View File

@ -803,6 +803,9 @@ calc_win_size(session_t *ps, win *w);
static void
calc_shadow_geometry(session_t *ps, win *w);
static void
win_upd_wintype(session_t *ps, win *w);
static void
win_mark_client(session_t *ps, win *w, Window client);