wnck_window_is_minimized(WnckWindow *window) does not work with JWM.

[ghost]

wnck_window_is_minimized returns 0 always in JWM.
This bug couses incorrect work of some third-party panels and docks.
In other wm wnck_window_is_minimized works correctly.
Example code for test:

define WNCK_I_KNOW_THIS_IS_UNSTABLE

include <libwnck/libwnck.h>

undef WNCK_I_KNOW_THIS_IS_UNSTABLE

//gcc wnck.c $(pkg-config --cflags --libs libwnck-3.0) -o wnck

int main (int argc, char **argv)
{
WnckScreen *screen;
GList *list;

gdk_init (&argc, &argv);

screen = wnck_screen_get_default ();

wnck_screen_force_update (screen);

for (list = wnck_screen_get_windows (screen); list != NULL; list = list->next)
{
WnckWindow *window = WNCK_WINDOW (list->data);
g_print ("%s%s%s [%d]\n", wnck_window_get_name (window),
wnck_window_is_minimized(window) ? " (IS MINIMIZED)" : "",
wnck_window_is_active(window) ? " (IS ACTIVE)" : "",
wnck_window_get_state(window));
}

return 0;
}

[bbidulock]

Yeah, libwnck is plain stupid. All it has to do is to check WM_STATE to see whether a window is iconic (in accordance with ICCCM 2.0), however, it misinteprets the _NET_WM_STATE_HIDDEN atom instead. I have a libwnck fork that works much better, but still hasn't been fixed in this regard.

[joewing]

Thanks @Donskoy-tabak for the report and thanks again @bbidulock for a fix!