82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
/*
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* Copyright 2007, Intel Corporation
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*
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* This file is part of PowerTOP
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*
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* This program file is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program in a file named COPYING; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*
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* Authors:
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* Arjan van de Ven <arjan@linux.intel.com>
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include "powertop.h"
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int has_no_xrandr;
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static void activate_noTV(void)
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{
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system("xrandr --auto &> /dev/null");
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system("xrandr --output TV --off &> /dev/null");
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}
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void suggest_xrandr_TV_off(void)
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{
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FILE *file;
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int has_tv = 0;
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int has_tv_active = 0;
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char line[1024];
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if (has_no_xrandr)
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return;
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memset(line, 0, 1024);
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file = popen("xrandr 2> /dev/null", "r");
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if (!file || feof(file)) {
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has_no_xrandr = 1;
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return;
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}
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while (!feof(file)) {
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if (fgets(line, 1024, file)==NULL)
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break;
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if (line[0]!=' ') {
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if (line[0]=='T' && line[1]=='V' && line[2]==' ')
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has_tv = 1;
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else
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has_tv = 0;
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} else {
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if (strchr(line,'*') && has_tv)
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has_tv_active = 1;
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}
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}
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pclose(file);
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if (has_tv_active)
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add_suggestion(_("Suggestion: disable TV out via: \n"
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" xrandr --output TV --off \n"
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"or press the V key."),
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35, 'V', _(" V - Disable TV out "), activate_noTV);
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/* check this only once if no suggestion needed */
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else
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has_no_xrandr = 1;
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}
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