132 lines
2.9 KiB
C
132 lines
2.9 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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extern awesome_config globalconf;
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static FocusList *
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focus_get_node_by_client(FocusList *head, Client *c)
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{
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FocusList *fh;
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for(fh = head; fh; fh = fh->prev)
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if(fh->client == c)
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return fh;
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return NULL;
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}
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static FocusList *
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focus_detach_node(FocusList **head, FocusList *fl)
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{
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FocusList *tmp;
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if(*head == fl)
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*head = fl->prev;
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else
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{
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for(tmp = *head; 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 **head, FocusList *fl)
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{
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FocusList *old_head;
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old_head = *head;
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*head = 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(FocusList **head, 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(*head, 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(head, new_fh);
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focus_attach_node(head, new_fh);
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}
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void
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focus_delete_client(FocusList **head, Client *c)
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{
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FocusList *fc = focus_get_node_by_client(*head, c), *target;
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if (fc)
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{
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target = focus_detach_node(head, fc);
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p_delete(&target);
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}
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}
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Client *
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focus_get_latest_client_for_tag(FocusList *head, int screen, Tag *t)
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{
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FocusList *fl;
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for(fl = head; fl; fl = fl->prev)
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if(is_client_tagged(fl->client, t, screen))
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return fl->client;
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return NULL;
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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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FocusList *fl = globalconf.focus;
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Tag *curtag = get_current_tag(screen);
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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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for(; fl && i < 0; fl = fl->prev)
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if(is_client_tagged(fl->client, curtag, screen))
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i++;
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if(fl)
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focus(fl->client, True, screen);
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}
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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=99
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