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Dogcows Code - chaz/openbox/blob - openbox/stacking.c
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
;
30 if (WINDOW_IS_CLIENT(it
->data
)) {
31 *win_it
= WINDOW_AS_CLIENT(it
->data
)->window
;
35 windows
= win_it
= NULL
;
37 PROP_SETA32(ob_root
, net_client_list_stacking
, window
,
38 (guint32
*)windows
, win_it
- windows
);
44 static GList
*find_lowest_transient(Client
*c
)
49 for (it
= g_list_last(stacking_list
); it
; it
= it
->prev
)
50 for (sit
= c
->transients
; sit
; sit
= sit
->next
)
51 if (it
->data
== sit
->data
) /* found a transient */
56 static void raise_recursive(ObWindow
*window
)
58 Window wins
[2]; /* only ever restack 2 windows. */
62 g_assert(stacking_list
!= NULL
); /* this would be bad */
64 /* remove the window before looking so we can't run into ourselves and our
65 transients can't either. */
66 stacking_list
= g_list_remove(stacking_list
, window
);
68 /* raise transients first */
69 if (WINDOW_IS_CLIENT(window
)) {
70 Client
*client
= WINDOW_AS_CLIENT(window
);
71 for (sit
= client
->transients
; sit
; sit
= sit
->next
)
72 raise_recursive(sit
->data
);
75 /* find 'it' where it is the positiion in the stacking order where
76 'window' will be inserted *before* */
78 if (WINDOW_IS_CLIENT(window
))
79 low
= find_lowest_transient(WINDOW_AS_CLIENT(window
));
82 /* the stacking list is from highest to lowest */
83 for (it
= g_list_last(stacking_list
); it
; it
= it
->prev
) {
84 if (it
== low
|| window_layer(window
) < window_layer(it
->data
)) {
88 if (it
== stacking_list
)
93 if our new position is the top, we want to stack under the focus_backup.
94 otherwise, we want to stack under the previous window in the stack.
96 if (it
== stacking_list
)
97 wins
[0] = focus_backup
;
99 wins
[0] = window_top(it
->prev
->data
);
101 wins
[0] = window_top(g_list_last(stacking_list
)->data
);
102 wins
[1] = window_top(window
);
104 stacking_list
= g_list_insert_before(stacking_list
, it
, window
);
106 XRestackWindows(ob_display
, wins
, 2);
109 void stacking_raise(ObWindow
*window
)
111 g_assert(stacking_list
!= NULL
); /* this would be bad */
113 if (WINDOW_IS_CLIENT(window
)) {
114 Client
*client
= WINDOW_AS_CLIENT(window
);
115 /* move up the transient chain as far as possible first */
116 while (client
->transient_for
) {
117 if (client
->transient_for
!= TRAN_GROUP
) {
118 client
= client
->transient_for
;
122 /* the check for TRAN_GROUP is to prevent an infinate loop with
123 2 transients of the same group at the head of the group's
125 for (it
= client
->group
->members
; it
; it
= it
->next
) {
126 Client
*c
= it
->data
;
128 if (c
!= client
&& c
->transient_for
!= TRAN_GROUP
) {
133 if (it
== NULL
) break;
136 window
= CLIENT_AS_WINDOW(client
);
139 raise_recursive(window
);
144 static void lower_recursive(ObWindow
*window
, ObWindow
*above
)
146 Window wins
[2]; /* only ever restack 2 windows. */
150 /* find 'it' where 'it' is the position in the stacking_list where the
151 'window' will be placed *after* */
153 for (it
= g_list_last(stacking_list
); it
!= stacking_list
; it
= it
->prev
)
154 if (window_layer(window
) <= window_layer(it
->data
) &&
158 if (it
->data
!= window
) { /* not already the bottom */
159 wins
[0] = window_top(it
->data
);
160 wins
[1] = window_top(window
);
162 stacking_list
= g_list_remove(stacking_list
, window
);
163 stacking_list
= g_list_insert_before(stacking_list
, it
->next
, window
);
164 XRestackWindows(ob_display
, wins
, 2);
167 if (WINDOW_IS_CLIENT(window
)) {
168 Client
*client
= WINDOW_AS_CLIENT(window
);
169 for (sit
= client
->transients
; sit
; sit
= sit
->next
)
170 lower_recursive(CLIENT_AS_WINDOW(sit
->data
), window
);
174 void stacking_lower(ObWindow
*window
)
176 g_assert(stacking_list
!= NULL
); /* this would be bad */
178 if (WINDOW_IS_CLIENT(window
)) {
179 Client
*client
= WINDOW_AS_CLIENT(window
);
180 /* move up the transient chain as far as possible first */
181 while (client
->transient_for
) {
182 if (client
->transient_for
!= TRAN_GROUP
) {
183 client
= client
->transient_for
;
187 /* the check for TRAN_GROUP is to prevent an infinate loop with
188 2 transients of the same group at the head of the group's
190 for (it
= client
->group
->members
; it
; it
= it
->next
) {
191 Client
*c
= it
->data
;
193 if (c
!= client
&& c
->transient_for
!= TRAN_GROUP
) {
198 if (it
== NULL
) break;
201 window
= CLIENT_AS_WINDOW(client
);
204 lower_recursive(window
, NULL
);
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