awesome/focus.c

153 lines
3.7 KiB
C

/*
* focus.c - focus management
*
* Copyright © 2007-2008 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 "tag.h"
#include "focus.h"
#include "client.h"
extern AwesomeConf globalconf;
static client_node_t *
focus_get_node_by_client(Client *c)
{
client_node_t *node;
for(node = globalconf.focus; node; node = node->next)
if(node->client == c)
return node;
return NULL;
}
void
focus_add_client(Client *c)
{
client_node_t *node;
/* if we don't find this node, create a new one */
if(!(node = focus_get_node_by_client(c)))
{
node = p_new(client_node_t, 1);
node->client = c;
}
else /* if we've got a node, detach it */
client_node_list_detach(&globalconf.focus, node);
client_node_list_push(&globalconf.focus, node);
}
void
focus_delete_client(Client *c)
{
client_node_t *node = focus_get_node_by_client(c);
if(node)
{
client_node_list_detach(&globalconf.focus, node);
p_delete(&node);
}
}
static Client *
focus_get_latest_client_for_tags(Tag **t, int nindex)
{
client_node_t *node;
Tag **tags;
int i = 0;
for(node = globalconf.focus; node; node = node->next)
if(node->client && ((!node->client->skip
&& node->client != globalconf.scratch.client)
|| globalconf.scratch.isvisible))
for(tags = t; *tags; tags++)
if(is_client_tagged(node->client, *tags))
{
if(i == nindex)
return node->client;
else
i--;
}
return NULL;
}
Client *
focus_get_current_client(int screen)
{
Tag **curtags = tags_get_current(screen);
Client *sel = focus_get_latest_client_for_tags(curtags, 0);
p_delete(&curtags);
return sel;
}
/** Jump back in the focus history stack.
* Set arg to 0 for previous, -1 for previous of previous, etc.
* \param screen Screen ID
* \param arg Integer argument
* \ingroup ui_callback
*/
void
uicb_focus_history(int screen, char *arg)
{
int i;
Tag **curtags;
Client *c;
if(arg)
{
i = atoi(arg);
if(i < 0)
{
curtags = tags_get_current(screen);
c = focus_get_latest_client_for_tags(curtags, i);
p_delete(&curtags);
if(c)
client_focus(c, screen, True);
}
}
}
/** Focus one of the visible clients by its name.
* \param screen screen id
* \param arg client's name
* \ingroup ui_callback
*/
void
uicb_focus_client_byname(int screen, char *arg)
{
Client *c;
Tag **curtags, **tag;
if(arg)
{
curtags = tags_get_current(screen);
if((c = client_get_byname(globalconf.clients, arg)))
for(tag = curtags; *tag; tag++)
if(is_client_tagged(c, *tag))
client_focus(c, screen, True);
p_delete(&curtags);
}
}
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