490 lines
12 KiB
C
490 lines
12 KiB
C
/*
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* tag.c - tag management
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*
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* Copyright © 2007-2008 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 <stdio.h>
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#include <X11/Xutil.h>
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#include "screen.h"
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#include "tag.h"
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#include "rules.h"
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#include "client.h"
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#include "ewmh.h"
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#include "widget.h"
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extern AwesomeConf globalconf;
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/** Create a new tag. Parameteres values are checked.
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* \param name tag name
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* \param layout layout to use
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* \param mwfact master width factor
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* \param nmaster number of master windows
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* \param ncol number of columns for slaves windows
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* \return a new tag with all these parameters
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*/
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Tag *
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tag_new(const char *name, Layout *layout, double mwfact, int nmaster, int ncol)
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{
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Tag *tag;
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tag = p_new(Tag, 1);
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tag->name = a_strdup(name);
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tag->layout = layout;
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tag->mwfact = mwfact;
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if(tag->mwfact <= 0 || tag->mwfact >= 1)
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tag->mwfact = 0.5;
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if((tag->nmaster = nmaster) < 0)
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tag->nmaster = 1;
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if((tag->ncol = ncol) < 1)
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tag->ncol = 1;
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return tag;
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}
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/** Append a tag to a screen.
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* \param tag the tag to append
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* \param screen the screen id
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*/
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void
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tag_append_to_screen(Tag *tag, int screen)
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{
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int phys_screen = screen_virttophys(screen);
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tag->screen = screen;
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tag_list_append(&globalconf.screens[screen].tags, tag);
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ewmh_update_net_numbers_of_desktop(phys_screen);
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ewmh_update_net_desktop_names(phys_screen);
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widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
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}
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/** Push a tag to a screen tag list.
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* \param tag the tag to push
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* \param screen the screen
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*/
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void
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tag_push_to_screen(Tag *tag, int screen)
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{
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tag->screen = screen;
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tag_list_push(&globalconf.screens[screen].tags, tag);
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widget_invalidate_cache(screen, WIDGET_CACHE_TAGS);
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}
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/** Tag a client with specified tag.
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* \param c the client to tag
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* \param t the tag to tag the client with
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*/
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void
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tag_client(client_t *c, Tag *t)
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{
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tag_client_node_t *tc;
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/* don't tag twice */
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if(is_client_tagged(c, t))
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return;
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tc = p_new(tag_client_node_t, 1);
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tc->client = c;
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tc->tag = t;
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tag_client_node_list_push(&globalconf.tclink, tc);
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client_saveprops(c);
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widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
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globalconf.screens[c->screen].need_arrange = true;
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}
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/** Untag a client with specified tag.
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* \param c the client to tag
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* \param t the tag to tag the client with
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*/
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void
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untag_client(client_t *c, Tag *t)
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{
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tag_client_node_t *tc;
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for(tc = globalconf.tclink; tc; tc = tc->next)
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if(tc->client == c && tc->tag == t)
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{
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tag_client_node_list_detach(&globalconf.tclink, tc);
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p_delete(&tc);
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client_saveprops(c);
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widget_invalidate_cache(c->screen, WIDGET_CACHE_CLIENTS);
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globalconf.screens[c->screen].need_arrange = True;
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break;
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}
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}
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/** Check if a client is tagged with the specified tag.
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* \param c the client
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* \param t the tag
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* \return true if the client is tagged with the tag, false otherwise.
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*/
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bool
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is_client_tagged(client_t *c, Tag *t)
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{
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tag_client_node_t *tc;
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if(!c)
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return false;
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for(tc = globalconf.tclink; tc; tc = tc->next)
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if(tc->client == c && tc->tag == t)
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return true;
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return false;
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}
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/** Tag the client with the currently selected (visible) tags.
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* \param c the client
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*/
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void
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tag_client_with_current_selected(client_t *c)
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{
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Tag *tag;
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VirtScreen vscreen = globalconf.screens[c->screen];
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for(tag = vscreen.tags; tag; tag = tag->next)
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if(tag->selected)
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tag_client(c, tag);
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else
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untag_client(c, tag);
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}
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/** Tag the client according to a rule.
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* \param c the client
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* \param r the rule
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*/
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void
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tag_client_with_rule(client_t *c, rule_t *r)
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{
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Tag *tag;
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bool matched = false;
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if(!r) return;
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/* check if at least one tag match */
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for(tag = globalconf.screens[c->screen].tags; tag; tag = tag->next)
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if(tag_match_rule(tag, r))
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{
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matched = true;
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break;
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}
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if(matched)
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for(tag = globalconf.screens[c->screen].tags; tag; tag = tag->next)
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if(tag_match_rule(tag, r))
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tag_client(c, tag);
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else
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untag_client(c, tag);
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}
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/** Get the current tags for the specified screen.
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* Returned pointer must be p_delete'd after.
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* \param screen screen id
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* \return a double pointer of tag list finished with a NULL element
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*/
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Tag **
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tags_get_current(int screen)
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{
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Tag *tag, **tags = NULL;
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int n = 1;
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tags = p_new(Tag *, n);
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for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
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if(tag->selected)
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{
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p_realloc(&tags, ++n);
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tags[n - 2] = tag;
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}
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/* finish with null */
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tags[n - 1] = NULL;
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return tags;
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}
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/** Tag the focused client with the given tag.
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* \param screen Screen ID
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* \param arg Tag name
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* \ingroup ui_callback
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*/
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void
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uicb_client_tag(int screen, char *arg)
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{
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int tag_id = -1;
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Tag *tag, *target_tag;
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client_t *sel = globalconf.focus->client;
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if(!sel)
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return;
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if(arg)
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{
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tag_id = atoi(arg) - 1;
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if(tag_id != -1)
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{
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for(target_tag = globalconf.screens[screen].tags; target_tag && tag_id > 0;
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target_tag = target_tag->next, tag_id--);
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if(target_tag)
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{
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for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
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untag_client(sel, tag);
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tag_client(sel, target_tag);
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}
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}
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}
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else
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for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
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tag_client(sel, tag);
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}
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/** Toggle a tag on the focused client.
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* \param screen virtual screen id
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* \param arg tag number
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* \ingroup ui_callback
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*/
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void
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uicb_client_toggletag(int screen, char *arg)
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{
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client_t *sel = globalconf.focus->client;
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int i;
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Bool is_sticky = True;
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Tag *tag, *target_tag;
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if(!sel)
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return;
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if(arg)
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{
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i = atoi(arg) - 1;
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for(target_tag = globalconf.screens[screen].tags; target_tag && i > 0;
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target_tag = target_tag->next, i--);
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if(target_tag)
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{
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if(is_client_tagged(sel, target_tag))
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untag_client(sel, target_tag);
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else
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tag_client(sel, target_tag);
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}
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/* check that there's at least one tag selected for this client*/
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for(tag = globalconf.screens[screen].tags; tag
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&& !is_client_tagged(sel, tag); tag = tag->next);
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if(!tag)
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tag_client(sel, target_tag);
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}
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else
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{
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for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
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if(!is_client_tagged(sel, tag))
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{
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is_sticky = False;
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tag_client(sel, tag);
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}
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if(is_sticky)
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tag_client_with_current_selected(sel);
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}
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}
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/** Toggle the visibility of a tag.
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* \param screen Screen ID
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* \param arg Tag name
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* \ingroup ui_callback
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*/
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void
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uicb_tag_toggleview(int screen, char *arg)
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{
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int i;
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Tag *tag, *target_tag,
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**backtag, **curtags = tags_get_current(screen);
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if(arg)
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{
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i = atoi(arg) - 1;
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for(target_tag = globalconf.screens[screen].tags; target_tag && i > 0;
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target_tag = target_tag->next, i--);
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if(target_tag)
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tag_view(target_tag, !target_tag->selected);
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}
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else
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for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
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tag_view(tag, !tag->selected);
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/* check that there's at least one tag selected */
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for(tag = globalconf.screens[screen].tags; tag && !tag->selected; tag = tag->next);
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if(!tag)
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for(backtag = curtags; *backtag; backtag++)
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tag_view(*backtag, True);
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p_delete(&curtags);
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}
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/** Set a tag to be the only one viewed.
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* \param target the tag to see
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*/
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static void
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tag_view_only(Tag *target)
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{
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Tag *tag;
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if(!target) return;
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for(tag = globalconf.screens[target->screen].tags; tag; tag = tag->next)
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tag_view(tag, tag == target);
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}
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/** Use an index to set a tag viewable.
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* \param screen the screen id
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* \param dindex the index
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* \param view the view value
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*/
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void
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tag_view_byindex(int screen, int dindex, bool view)
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{
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Tag *tag;
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if(dindex < 0)
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return;
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for(tag = globalconf.screens[screen].tags; tag && dindex > 0;
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tag = tag->next, dindex--);
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tag_view(tag, view);
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}
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/** View only a tag, selected by its index.
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* \param screen screen id
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* \param dindex the index
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*/
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void
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tag_view_only_byindex(int screen, int dindex)
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{
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Tag *tag;
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if(dindex < 0)
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return;
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for(tag = globalconf.screens[screen].tags; tag && dindex > 0;
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tag = tag->next, dindex--);
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tag_view_only(tag);
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}
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/** View or unview a tag.
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* \param tag the tag
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* \param view set visible or not
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*/
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void
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tag_view(Tag *tag, bool view)
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{
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tag->was_selected = tag->selected;
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tag->selected = view;
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ewmh_update_net_current_desktop(screen_virttophys(tag->screen));
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widget_invalidate_cache(tag->screen, WIDGET_CACHE_TAGS);
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globalconf.screens[tag->screen].need_arrange = true;
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}
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/** View only this tag.
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* \param screen Screen ID
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* \param arg tag to view
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* \ingroup ui_callback
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*/
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void
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uicb_tag_view(int screen, char *arg)
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{
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Tag *tag;
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if(arg)
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tag_view_only_byindex(screen, atoi(arg) - 1);
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else
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for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
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tag_view(tag, true);
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}
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/** View the previously selected tags.
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* \param screen Screen ID
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* \param arg unused
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* \ingroup ui_callback
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*/
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void
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uicb_tag_prev_selected(int screen, char *arg __attribute__ ((unused)))
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{
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Tag *tag;
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for(tag = globalconf.screens[screen].tags; tag; tag = tag->next)
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tag_view(tag, tag->was_selected);
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}
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/** View the next tag.
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* \param screen Screen ID
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* \param arg unused
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* \ingroup ui_callback
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*/
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void
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uicb_tag_viewnext(int screen, char *arg __attribute__ ((unused)))
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{
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Tag *tag, **curtags = tags_get_current(screen);
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tag = tag_list_next_cycle(&globalconf.screens[screen].tags, curtags[0]);
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tag_view(curtags[0], false);
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tag_view(tag, true);
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p_delete(&curtags);
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}
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/** View the previous tag.
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* \param screen Screen ID
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* \param arg unused
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* \ingroup ui_callback
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*/
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void
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uicb_tag_viewprev(int screen, char *arg __attribute__ ((unused)))
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{
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Tag *tag, **curtags = tags_get_current(screen);
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tag = tag_list_prev_cycle(&globalconf.screens[screen].tags, curtags[0]);
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tag_view(curtags[0], false);
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tag_view(tag, true);
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p_delete(&curtags);
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}
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/** Create a new tag. Argument must be the tag name.
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* \param screen the screen id
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* \param arg the tag name
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*/
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void
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uicb_tag_create(int screen, char *arg)
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{
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Tag *tag;
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if(!a_strlen(arg))
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return;
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tag = tag_new(arg, globalconf.screens[screen].layouts, 0.5, 1, 1);
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tag_append_to_screen(tag, screen);
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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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