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Fix fallback for the window type

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EWMH specifies that

   If _NET_WM_WINDOW_TYPE is not set, then managed windows with WM_TRANSIENT_FOR
   set MUST be taken as [_NET_WM_WINDOW_TYPE_DIALOG].

We implement this by forcing a window's type to be "dialog" when it has a
WM_TRANSIENT_FOR property. For windows that have a _NET_WM_WINDOW_TYPE property,
this type change is then later undone. However, when a window changes its
WM_TRANSIENT_FOR property during runtime, then we would set its type to "dialog"
unconditionally.

This commit fixes this by explicitly tracking if we found a _NET_WM_WINDOW_TYPE
property on the window and only applying the fallback if we did not find such a
property.

Fixes-one-of-the-sub-issues-from: https://github.com/awesomeWM/awesome/issues/889
Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2016-05-14 14:10:27 +02:00
parent 63dad3f8ae
commit cbdf403637
3 changed files with 7 additions and 2 deletions
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4
ewmh.c
View file

@ -574,6 +574,7 @@ ewmh_client_check_hints(client_t *c)
reply = xcb_get_property_reply(globalconf.connection, c2, NULL);
if(reply && (data = xcb_get_property_value(reply)))
{
c->has_NET_WM_WINDOW_TYPE = true;
state = (xcb_atom_t *) data;
for(int i = 0; i < xcb_get_property_value_length(reply) / ssizeof(xcb_atom_t); i++)
if(state[i] == _NET_WM_WINDOW_TYPE_DESKTOP)
@ -590,7 +591,8 @@ ewmh_client_check_hints(client_t *c)
c->type = MAX(c->type, WINDOW_TYPE_TOOLBAR);
else if(state[i] == _NET_WM_WINDOW_TYPE_UTILITY)
c->type = MAX(c->type, WINDOW_TYPE_UTILITY);
}
} else
c->has_NET_WM_WINDOW_TYPE = false;
p_delete(&reply);
}

2
objects/client.h
View file

@ -97,6 +97,8 @@ struct client_t
* from Lua. */
bool focusable;
bool focusable_set;
/** True if the client window has a _NET_WM_WINDOW_TYPE proeprty */
bool has_NET_WM_WINDOW_TYPE;
/** Window of the group leader */
xcb_window_t group_window;
/** Window holding command needed to start it (session management related) */

3
property.c
View file

@ -114,7 +114,8 @@ property_update_wm_transient_for(client_t *c, xcb_get_property_cookie_t cookie)
c->transient_for_window = trans;
luaA_object_push(L, c);
client_set_type(L, -1, WINDOW_TYPE_DIALOG);
if (!c->has_NET_WM_WINDOW_TYPE)
client_set_type(L, -1, trans == XCB_NONE ? WINDOW_TYPE_NORMAL : WINDOW_TYPE_DIALOG);
client_set_above(L, -1, false);
lua_pop(L, 1);