awesome/focus.c
Nikos Ntarmos e205a144cc awesome crashes when non-focused client exits/dies
When a non-focused client exits (e.g. through a signal) then awesome
crashes. The attached patch fixes this for me.

Cheers.

\n\n
2007-12-15 08:16:03 +01:00

106 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 *fc = focus_get_node_by_client(*head, c), *target;
if (fc)
{
target = focus_detach_node(head, fc);
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;
}
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