103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/*
|
|
* focus.c - focus management
|
|
*
|
|
* Copyright © 2007 Julien Danjou <julien@danjou.info>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
|
|
#include "util.h"
|
|
#include "tag.h"
|
|
#include "focus.h"
|
|
|
|
static FocusList *
|
|
focus_get_node_by_client(FocusList *head, Client *c)
|
|
{
|
|
FocusList *fh;
|
|
|
|
for(fh = head; fh; fh = fh->prev)
|
|
if(fh->client == c)
|
|
return fh;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static FocusList *
|
|
focus_detach_node(FocusList **head, FocusList *fl)
|
|
{
|
|
FocusList *tmp;
|
|
|
|
if(*head == fl)
|
|
*head = fl->prev;
|
|
else
|
|
{
|
|
for(tmp = *head; tmp && tmp->prev != fl; tmp = tmp->prev);
|
|
tmp->prev = fl->prev;
|
|
}
|
|
|
|
return fl;
|
|
}
|
|
|
|
static FocusList *
|
|
focus_attach_node(FocusList **head, FocusList *fl)
|
|
{
|
|
FocusList *old_head;
|
|
|
|
old_head = *head;
|
|
*head = fl;
|
|
fl->prev = old_head;
|
|
|
|
return fl;
|
|
}
|
|
|
|
void
|
|
focus_add_client(FocusList **head, Client *c)
|
|
{
|
|
FocusList *new_fh;
|
|
|
|
/* if we don't find this node, create a new one */
|
|
if(!(new_fh = focus_get_node_by_client(*head, c)))
|
|
{
|
|
new_fh = p_new(FocusList, 1);
|
|
new_fh->client = c;
|
|
}
|
|
else /* if we've got a node, detach it */
|
|
focus_detach_node(head, new_fh);
|
|
|
|
focus_attach_node(head, new_fh);
|
|
}
|
|
|
|
void
|
|
focus_delete_client(FocusList **head, Client *c)
|
|
{
|
|
FocusList *target = focus_detach_node(head, focus_get_node_by_client(*head, c));
|
|
p_delete(&target);
|
|
}
|
|
|
|
Client *
|
|
focus_get_latest_client_for_tag(FocusList *head, TagClientLink *tc, Tag *t)
|
|
{
|
|
FocusList *fl;
|
|
|
|
for(fl = head; fl; fl = fl->prev)
|
|
if(is_client_tagged(tc, fl->client, t))
|
|
return fl->client;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99
|