wmix/config.c

   1 /* WMix -- a mixer using the OSS mixer API.
   2  * Copyright (C) 2014 Christophe CURIS for the WindowMaker Team
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18 /*
  19  * config.c: functions related to loading the configuration from file
  20  */
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include <sys/soundcard.h>
  27
  28 #include "include/common.h"
  29 #include "include/config.h"
  30
  31
  32 /* The global configuration */
  33 struct _Config config;
  34
  35
  36 /*
  37  * Read configuration from a file
  38  *
  39  * The file name is taken from CLI if available, of falls back to
  40  * a default name.
  41  */
  42 void config_read(void)
  43 {
  44         FILE *fp;
  45         char buf[512];
  46         char *ptr;
  47
  48         if (config.file == NULL)
  49                 return;
  50
  51         fp = fopen(config.file, "r");
  52         if (!fp)
  53                 return;
  54
  55         while (fgets(buf, 512, fp)) {
  56                 if ((ptr = strstr(buf, "mousewheel="))) {
  57                         ptr += 11;
  58                         config.mousewheel = atoi(ptr);
  59                 }
  60                 if ((ptr = strstr(buf, "scrolltext="))) {
  61                         ptr += 11;
  62                         config.scrolltext = atoi(ptr);
  63                 }
  64                 if ((ptr = strstr(buf, "osd="))) {
  65                         ptr += 4;
  66                         config.osd = atoi(ptr);
  67                 }
  68                 if ((ptr = strstr(buf, "osdcolor="))) {
  69                         char *end;
  70                         ptr += 9;
  71                         end = strchr(ptr, '\n');
  72                         ptr[end - ptr] = '\0';
  73                         if (config.osd_color)
  74                                 free(config.osd_color);
  75                         config.osd_color = strdup(ptr);
  76                 }
  77                 if ((ptr = strstr(buf, "wheelstep="))) {
  78                         ptr += 10;
  79                         /* detect old style config */
  80                         if (atoi(ptr) > 1)
  81                                 config.scrollstep = (float)atoi(ptr) / 100.0;
  82                         else
  83                                 config.scrollstep = atof(ptr);
  84                 }
  85                 if ((ptr = strstr(buf, "wheelbtn1="))) {
  86                         ptr += 10;
  87                         config.wheel_button_up = atoi(ptr);
  88                 }
  89                 if ((ptr = strstr(buf, "wheelbtn2="))) {
  90                         ptr += 10;
  91                         config.wheel_button_down = atoi(ptr);
  92                 }
  93         }
  94         fclose(fp);
  95 }