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#include "openbox.h"
#include "prop.h"
#include "focus.h"
#include "client.h"
#include "group.h"
#include "frame.h"
#include <glib.h>
GList *stacking_list = NULL;
void stacking_set_list()
{
Window *windows, *win_it;
GList *it;
guint size = g_list_length(stacking_list);
/* on shutdown, don't update the properties, so that we can read it back
in on startup and re-stack the windows as they were before we shut down
*/
if (ob_state == State_Exiting) return;
/* create an array of the window ids (from bottom to top,
reverse order!) */
if (size > 0) {
windows = g_new(Window, size);
win_it = windows;
for (it = g_list_last(stacking_list); it != NULL;
it = it->prev, ++win_it)
*win_it = ((Client*)it->data)->window;
} else
windows = NULL;
PROP_SET32A(ob_root, net_client_list_stacking, window, windows, size);
if (windows)
g_free(windows);
}
void stacking_raise(Client *client)
{
Window wins[2]; /* only ever restack 2 windows. */
GList *it;
Client *m;
g_assert(stacking_list != NULL); /* this would be bad */
m = client_find_modal_child(client);
/* if we have a modal child, raise it instead, we'll go along tho later */
if (m) stacking_raise(m);
/* remove the client before looking so we can't run into ourselves */
stacking_list = g_list_remove(stacking_list, client);
/* the stacking list is from highest to lowest */
it = stacking_list;
while (it != NULL) {
Client *c = it->data;
if (client->layer >= c->layer && m != c)
break;
it = it->next;
}
/*
if our new position is the top, we want to stack under the focus_backup.
otherwise, we want to stack under the previous window in the stack.
*/
if (it == stacking_list)
wins[0] = focus_backup;
else if (it != NULL)
wins[0] = ((Client*)it->prev->data)->frame->window;
else
wins[0] = ((Client*)g_list_last(stacking_list)->data)->frame->window;
wins[1] = client->frame->window;
stacking_list = g_list_insert_before(stacking_list, it, client);
XRestackWindows(ob_display, wins, 2);
stacking_set_list();
}
void stacking_lower(Client *client)
{
Window wins[2]; /* only ever restack 2 windows. */
GList *it;
g_assert(stacking_list != NULL); /* this would be bad */
if (client->modal && client->transient_for) {
if (client->transient_for == TRAN_GROUP) {
/* don't let a modal of the group lower below any other windows
in the group */
for (it = stacking_list; it; it = it->next) {
GSList *sit;
Client *c = it->data;
if (it->data == client) continue;
for (sit = c->group->members; sit; sit = sit->next)
if (sit->data == it->data) break;
if (sit) break; /* got it */
}
if (it == NULL)
goto lower_no_parent;
} else {
/* don't let a modal window lower below its transient_for */
it = g_list_find(stacking_list, client->transient_for);
}
g_assert(it != NULL);
wins[0] = (it == stacking_list ? focus_backup :
((Client*)it->prev->data)->frame->window);
wins[1] = client->frame->window;
if (wins[0] == wins[1]) return; /* already right above the window */
stacking_list = g_list_remove(stacking_list, client);
stacking_list = g_list_insert_before(stacking_list, it, client);
} else {
lower_no_parent:
it = g_list_last(stacking_list);
while (it != stacking_list) {
Client *c = it->data;
if (client->layer <= c->layer)
break;
it = it->prev;
}
if (it->data == client) return; /* already the bottom, return */
wins[0] = ((Client*)it->data)->frame->window;
wins[1] = client->frame->window;
stacking_list = g_list_remove(stacking_list, client);
stacking_list = g_list_insert_before(stacking_list,
it->next, client);
}
XRestackWindows(ob_display, wins, 2);
stacking_set_list();
}
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