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Dogcows Code - chaz/openbox/blob - openbox/stacking.c
782a57ddeb27cd33c5b816be6fc96b4af4f4aab8
10 GList
*stacking_list
= NULL
;
12 void stacking_set_list()
14 Window
*windows
, *win_it
;
16 guint size
= g_list_length(stacking_list
);
18 /* on shutdown, don't update the properties, so that we can read it back
19 in on startup and re-stack the windows as they were before we shut down
21 if (ob_state
== State_Exiting
) return;
23 /* create an array of the window ids (from bottom to top,
26 windows
= g_new(Window
, size
);
28 for (it
= g_list_last(stacking_list
); it
!= NULL
;
29 it
= it
->prev
, ++win_it
)
30 if (WINDOW_IS_CLIENT(it
->data
))
31 *win_it
= window_top(it
->data
);
35 PROP_SETA32(ob_root
, net_client_list_stacking
, window
,
36 (guint32
*)windows
, size
);
42 static GList
*find_lowest_transient(Client
*c
)
47 for (it
= g_list_last(stacking_list
); it
; it
= it
->prev
)
48 for (sit
= c
->transients
; sit
; sit
= sit
->next
)
49 if (it
->data
== sit
->data
) /* found a transient */
54 static void raise_recursive(ObWindow
*window
)
56 Window wins
[2]; /* only ever restack 2 windows. */
60 g_assert(stacking_list
!= NULL
); /* this would be bad */
62 /* remove the window before looking so we can't run into ourselves and our
63 transients can't either. */
64 stacking_list
= g_list_remove(stacking_list
, window
);
66 /* raise transients first */
67 if (WINDOW_IS_CLIENT(window
)) {
68 Client
*client
= WINDOW_AS_CLIENT(window
);
69 for (sit
= client
->transients
; sit
; sit
= sit
->next
)
70 raise_recursive(sit
->data
);
73 /* find 'it' where it is the positiion in the stacking order where
74 'window' will be inserted *before* */
76 if (WINDOW_IS_CLIENT(window
))
77 low
= find_lowest_transient(WINDOW_AS_CLIENT(window
));
80 /* the stacking list is from highest to lowest */
81 for (it
= g_list_last(stacking_list
); it
; it
= it
->prev
) {
82 if (it
== low
|| window_layer(window
) < window_layer(it
->data
)) {
86 if (it
== stacking_list
)
91 if our new position is the top, we want to stack under the focus_backup.
92 otherwise, we want to stack under the previous window in the stack.
94 if (it
== stacking_list
)
95 wins
[0] = focus_backup
;
97 wins
[0] = window_top(it
->prev
->data
);
99 wins
[0] = window_top(g_list_last(stacking_list
)->data
);
100 wins
[1] = window_top(window
);
102 stacking_list
= g_list_insert_before(stacking_list
, it
, window
);
104 XRestackWindows(ob_display
, wins
, 2);
107 void stacking_raise(ObWindow
*window
)
109 g_assert(stacking_list
!= NULL
); /* this would be bad */
111 if (WINDOW_IS_CLIENT(window
)) {
112 Client
*client
= WINDOW_AS_CLIENT(window
);
113 /* move up the transient chain as far as possible first */
114 while (client
->transient_for
) {
115 if (client
->transient_for
!= TRAN_GROUP
) {
116 client
= client
->transient_for
;
120 /* the check for TRAN_GROUP is to prevent an infinate loop with
121 2 transients of the same group at the head of the group's
123 for (it
= client
->group
->members
; it
; it
= it
->next
) {
124 Client
*c
= it
->data
;
126 if (c
!= client
&& c
->transient_for
!= TRAN_GROUP
) {
131 if (it
== NULL
) break;
134 window
= CLIENT_AS_WINDOW(client
);
137 raise_recursive(window
);
142 static void lower_recursive(ObWindow
*window
, ObWindow
*above
)
144 Window wins
[2]; /* only ever restack 2 windows. */
148 /* find 'it' where 'it' is the position in the stacking_list where the
149 'window' will be placed *after* */
151 for (it
= g_list_last(stacking_list
); it
!= stacking_list
; it
= it
->prev
)
152 if (window_layer(window
) <= window_layer(it
->data
) &&
156 if (it
->data
!= window
) { /* not already the bottom */
157 wins
[0] = window_top(it
->data
);
158 wins
[1] = window_top(window
);
160 stacking_list
= g_list_remove(stacking_list
, window
);
161 stacking_list
= g_list_insert_before(stacking_list
, it
->next
, window
);
162 XRestackWindows(ob_display
, wins
, 2);
165 if (WINDOW_IS_CLIENT(window
)) {
166 Client
*client
= WINDOW_AS_CLIENT(window
);
167 for (sit
= client
->transients
; sit
; sit
= sit
->next
)
168 lower_recursive(CLIENT_AS_WINDOW(sit
->data
), window
);
172 void stacking_lower(ObWindow
*window
)
174 g_assert(stacking_list
!= NULL
); /* this would be bad */
176 if (WINDOW_IS_CLIENT(window
)) {
177 Client
*client
= WINDOW_AS_CLIENT(window
);
178 /* move up the transient chain as far as possible first */
179 while (client
->transient_for
) {
180 if (client
->transient_for
!= TRAN_GROUP
) {
181 client
= client
->transient_for
;
185 /* the check for TRAN_GROUP is to prevent an infinate loop with
186 2 transients of the same group at the head of the group's
188 for (it
= client
->group
->members
; it
; it
= it
->next
) {
189 Client
*c
= it
->data
;
191 if (c
!= client
&& c
->transient_for
!= TRAN_GROUP
) {
196 if (it
== NULL
) break;
199 window
= CLIENT_AS_WINDOW(client
);
202 lower_recursive(window
, NULL
);
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