175 lines
3.8 KiB
C
175 lines
3.8 KiB
C
/*
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* focus.c - focus management
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*
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* Copyright © 2007 Julien Danjou <julien@danjou.info>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include "util.h"
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#include "tag.h"
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#include "layout.h"
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#include "focus.h"
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#include "client.h"
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extern AwesomeConf globalconf;
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static FocusList *
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focus_get_node_by_client(Client *c)
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{
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FocusList *fl;
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for(fl = globalconf.focus; fl; fl = fl->prev)
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if(fl->client == c)
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return fl;
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return NULL;
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}
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static FocusList *
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focus_detach_node(FocusList *fl)
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{
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FocusList *tmp;
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if(globalconf.focus == fl)
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globalconf.focus = fl->prev;
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else
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{
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for(tmp = globalconf.focus; tmp && tmp->prev != fl; tmp = tmp->prev);
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tmp->prev = fl->prev;
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}
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return fl;
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}
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static FocusList *
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focus_attach_node(FocusList *fl)
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{
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FocusList *old_head;
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old_head = globalconf.focus;
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globalconf.focus = fl;
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fl->prev = old_head;
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return fl;
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}
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void
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focus_add_client(Client *c)
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{
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FocusList *new_fh;
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/* if we don't find this node, create a new one */
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if(!(new_fh = focus_get_node_by_client(c)))
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{
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new_fh = p_new(FocusList, 1);
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new_fh->client = c;
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}
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else /* if we've got a node, detach it */
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focus_detach_node(new_fh);
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focus_attach_node(new_fh);
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}
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void
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focus_delete_client(Client *c)
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{
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FocusList *target = focus_get_node_by_client(c);
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if(target)
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{
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focus_detach_node(target);
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p_delete(&target);
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}
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}
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static Client *
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focus_get_latest_client_for_tags(Tag **t, int nindex)
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{
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FocusList *fl;
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Tag **tags;
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int i = 0;
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for(fl = globalconf.focus; fl; fl = fl->prev)
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if(fl->client && !fl->client->skip)
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for(tags = t; *tags; tags++)
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if(is_client_tagged(fl->client, *t))
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{
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if(i == nindex)
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return fl->client;
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else
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i--;
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}
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return NULL;
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}
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Client *
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focus_get_current_client(int screen)
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{
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Tag **curtags = get_current_tags(screen);
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Client *sel = focus_get_latest_client_for_tags(curtags, 0);
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p_delete(&curtags);
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return sel;
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}
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/** Jump in focus history stack
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* \param screen Screen ID
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* \param arg Integer argument
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* \ingroup ui_callback
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*/
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void
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uicb_focus_history(int screen, char *arg)
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{
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int i;
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Tag **curtags;
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Client *c;
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if(arg)
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{
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i = atoi(arg);
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if(i < 0)
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{
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curtags = get_current_tags(screen);
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c = focus_get_latest_client_for_tags(curtags, i);
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p_delete(&curtags);
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if(c)
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focus(c, True, screen);
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}
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}
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}
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void
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uicb_focus_client_byname(int screen, char *arg)
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{
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Client *c;
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Tag **curtags, **tag;
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if(arg)
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{
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curtags = get_current_tags(screen);
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if((c = get_client_byname(globalconf.clients, arg)))
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for(tag = curtags; *tag; tag++)
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if(is_client_tagged(c, *tag))
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focus(c, True, screen);
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p_delete(&curtags);
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}
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}
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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