src/resourceconfig.c

   1 /* gjacktransport - .rc interface
   2  * Copyright (C) 2007, 2010  Robin Gareus <robin@gareus.org>
   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, or (at your option)
   7  * 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 Foundation,
  16  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 # include <config.h>
  21 #endif
  22
  23 #ifndef GJACKTRANSPORTRC
  24 # define GJACKTRANSPORTRC "gjacktransportrc"
  25 #endif
  26
  27 #ifdef PACKAGE_SYSCONFIGDIR
  28 # define SYSCFGDIR PACKAGE_SYSCONFIGDIR
  29 #else
  30 # define SYSCFGDIR "/etc"
  31 #endif
  32
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <errno.h>
  36 #include <string.h>
  37 #include <sys/types.h>
  38 #include <sys/stat.h>
  39
  40 #include <gtk/gtk.h>
  41 #include "gjack.h"
  42 #include "gjacktransport.h"
  43 #include "framerate.h"
  44
  45 /* test if file exists and is a regular file - returns 1 if ok */
  46 int testfile (char *filename) {
  47         struct stat s;
  48         int result= stat(filename, &s);
  49         if (result != 0) return 0; /* stat() failed */
  50         if (S_ISREG(s.st_mode)) return 1; /* is a regular file - ok */
  51         return(0);
  52 }
  53
  54 extern FrameRate *fffr;
  55 extern FrameRate *uffr;
  56 extern FrameRate *jffr;
  57
  58 extern gint key_cfg[MAX_KEYBINDING];
  59
  60 extern int mem;
  61 extern double stride;
  62 extern gjtdata stg[MAX_MEM];
  63 extern GtkWidget *window1;
  64
  65 extern int no_lash;
  66 extern int want_quiet;
  67
  68 /* restore config functions - see callbacks.c */
  69 void select_mem (int newmem);
  70 void showhide (char *togglebtn, char *widget, gboolean display);
  71 gboolean ishidden (char *widget); //toggle-btn name
  72 void dothejack (gboolean onoff);
  73 void update_spinbtns(void);
  74
  75 gint my_root_x, my_root_y, my_width, my_height;
  76
  77 int parse_rc(const char*key, const char *value) {
  78         if (!strncmp(key,"memory_",7)) {
  79                 int mymem = atoi(key+7);
  80                 if (mymem < 1 || mymem > MAX_MEM) return -1;
  81                 mymem--;
  82                 if (!strcmp(key+9,"_start")) {
  83                         stg[mymem].start=strtod(value, NULL);
  84                 } else if (!strcmp(key+9,"_end")) {
  85                         stg[mymem].end=strtod(value, NULL);
  86                 } else if (!strcmp(key+9,"_unit")) {
  87                         stg[mymem].unit=atoi(value);
  88                 } else {
  89                         if (!want_quiet)
  90                                 printf("Warning: unhandled mem: %s=%f\n",key+7,strtod(value, NULL));
  91                         return -1;
  92                 }
  93                 //update_spinbtns();
  94         } else if (!strncmp(key,"keybinding_",11)) {
  95                 int mykey = atoi(key+11);
  96                 if (mykey < 1 || mykey > MAX_KEYBINDING) return -1;
  97                 mykey--;
  98                 key_cfg[mykey]=atoi(value);
  99         } else if (!strcmp(key,"syncsource")) {
 100                 dothejack(atoi(value));
 101         } else if (!strcmp(key,"cur_mem")) {
 102                 select_mem(atoi(value)-1);
 103         } else if (!strcmp(key,"seek_stride")) {
 104                 stride=strtod(value, NULL);
 105         } else if (!strcmp(key,"tb_status")) {
 106                 showhide("checkbutton5","statusbar1",atoi(value));
 107         } else if (!strcmp(key,"tb_zoom")) {
 108                 showhide("checkbutton3","handlebox3",atoi(value));
 109         } else if (!strcmp(key,"tb_memory")) {
 110                 showhide("checkbutton7","handlebox4",atoi(value));
 111         } else if (!strcmp(key,"tb_all")) {
 112                 showhide("checkbutton6","table1",atoi(value));
 113         } else if (!strcmp(key,"tb_transport")) {
 114                 showhide("checkbutton4","handlebox1",atoi(value));
 115         } else if (!strcmp(key,"tb_unit")) {
 116                 showhide("checkbutton2","handlebox2",atoi(value));
 117         } else if (!strcmp(key,"tb_timelabels")) {
 118                 showhide("checkbutton8","hbox_labels",atoi(value));
 119         } else if (!strcmp(key,"FR_mode")) {
 120                 if (atoi(value)) fffr=jffr; // XXX
 121                 else fffr=uffr;
 122         } else if (!strcmp(key,"FR_flags")) {
 123                 uffr->flags=atoi(value);
 124         } else if (!strcmp(key,"win_x")) {
 125                 my_root_x=atoi(value);
 126         } else if (!strcmp(key,"win_y")) {
 127                 my_root_y=atoi(value);
 128         } else if (!strcmp(key,"win_w")) {
 129                 my_width=atoi(value);
 130         } else if (!strcmp(key,"win_h")) {
 131                 my_height=atoi(value);
 132         } else if (!strcmp(key,"no_lash")) {
 133                 no_lash=atoi(value);
 134         } else {
 135                 if (!want_quiet)
 136                         fprintf (stderr, "WARNING: unhandled Config parameter  Key = '%s' \n", key);
 137     return -1;
 138         }
 139   return 0;
 140 }
 141
 142 #define MAX_LINE_LEN 256
 143
 144 void read_rc(const char *fn) {
 145         FILE* config_fp;
 146         gtk_window_get_size (GTK_WINDOW(window1), &my_width, &my_height);
 147         gtk_window_get_position (GTK_WINDOW(window1), &my_root_x, &my_root_y);
 148
 149         char line[MAX_LINE_LEN];
 150         int lineno=0;
 151
 152         if (!want_quiet)
 153                 printf("reading .rc: '%s'\n", fn);
 154
 155         if (!(config_fp = fopen(fn, "r"))) {
 156                 if (!want_quiet)
 157                         fprintf(stderr,"reading configfile failed: %s (%s)\n",fn,strerror(errno));
 158                 return;
 159         }
 160         while( fgets( line, MAX_LINE_LEN-1, config_fp ) != NULL ) {
 161                 char *item, *token, *value;
 162                 lineno++;
 163                 line[MAX_LINE_LEN-1]=0;
 164                 token = strtok(line, "\t =\n\r");
 165
 166                 if(token == NULL || token[0] == '#' || token[0] == ';') continue;
 167                 item=strdup(token);
 168                 token = strtok(NULL, "\t =\n\r");
 169                 if (!token) {
 170                         free(item);
 171 #ifdef CFG_WARN_ONLY
 172                         printf("WARNING: ignored line in config file. %s:%d\n",fn,lineno);
 173                         continue;
 174 #else
 175                         printf("ERROR parsing config file. %s:%d\n",fn,lineno);
 176                         exit(1);
 177 #endif
 178                 }
 179                 value=strdup(token);
 180                 if (parse_rc(item,value)) {
 181 #ifdef CFG_WARN_ONLY
 182                         printf("WARNING: ignored error in config file. %s:%d\n",fn,lineno);
 183 #else
 184                         printf("ERROR parsing config file. %s:%d\n",fn,lineno);
 185                         exit(1);
 186 #endif
 187                 }
 188                 free(item); free(value);
 189         }
 190         fclose(config_fp);
 191
 192         update_spinbtns();
 193         if (my_width > 0 && my_height > 0)
 194                 gtk_window_resize(GTK_WINDOW(window1),my_width,my_height);
 195         if (my_root_x > 0 && my_root_y > 0)
 196                 gtk_window_move(GTK_WINDOW(window1),my_root_x,my_root_y);
 197 }
 198
 199 void load_rc (void) {
 200         char *home;
 201         char filename[PATH_MAX];
 202         if ((strlen(SYSCFGDIR) + strlen(GJACKTRANSPORTRC) + 2) < PATH_MAX) {
 203                 sprintf(filename, "%s/%s", SYSCFGDIR, GJACKTRANSPORTRC);
 204                 if (testfile(filename)) read_rc(filename);
 205         }
 206         home = getenv("HOME");
 207         if (home && (strlen(home) + strlen(GJACKTRANSPORTRC) + 2) < PATH_MAX) {
 208                 sprintf(filename, "%s/.%s", home, GJACKTRANSPORTRC);
 209                 if (testfile(filename)) read_rc(filename);
 210         }
 211         if (strlen(GJACKTRANSPORTRC) + 2 < PATH_MAX) {
 212                 sprintf(filename, "./%s", GJACKTRANSPORTRC);
 213                 if (testfile(filename)) read_rc(filename);
 214         }
 215 }
 216
 217 void write_rc(const char *fn) {
 218         int i;
 219         FILE* fp;
 220         if (!(fp = fopen(fn, "w"))) {
 221                 if (!want_quiet)
 222                         fprintf(stderr,"writing configfile failed: %s (%s)\n",fn,strerror(errno));
 223                 return;
 224         }
 225         gtk_window_get_size (GTK_WINDOW(window1), &my_width, &my_height);
 226         gtk_window_get_position (GTK_WINDOW(window1), &my_root_x, &my_root_y);
 227
 228         fprintf(fp, "# config file for gjacktransport\n#\n# lines beginning with '#' or ';' are ignored.\n#\n");
 229         fprintf(fp, "# @sysconfdir@/gjacktransportrc\n# $HOME/.gjacktransportrc\n# ./gjacktransportrc\n#\n");
 230
 231         fprintf(fp, "\n# PRESET/MEMORY #\n; load-memory preset: 01..06\n");
 232         fprintf(fp, "cur_mem=%02i\n", mem+1);
 233
 234         fprintf(fp, "\n; mem-id 01..06\n; start/end values are in seconds\n; unit: hour:0, min:1, sec:2, audio-frames:3 - display only\n");
 235         for (i=0; i< MAX_MEM; i++) {
 236                 fprintf(fp, "memory_%02i_start=%f\n", i+1,  stg[i].start);
 237                 fprintf(fp, "memory_%02i_end=%f\n", i+1,  stg[i].end);
 238                 fprintf(fp, "memory_%02i_unit=%i\n\n", i+1, stg[i].unit);
 239         }
 240
 241         fprintf(fp, "\n# KEYBINDINGS #\n");
 242         const char *kbc[MAX_KEYBINDING] = {
 243                 /* TODO : sync w/ callbacks.c  -> .h*/
 244                 "play/pause", "fast-rew", "fast-ffw", "play", "pause", "rewind", "skip-start", "skip-end"
 245         };
 246
 247         for (i=0; i< MAX_KEYBINDING; i++) {
 248                 fprintf(fp ,"; %s\n", kbc[i]);
 249                 fprintf(fp ,"keybinding_%i=%i\n",i+1, key_cfg[i]);
 250         }
 251
 252         fprintf(fp, "\n\n# SHOW/HIDE TOOL-BARS #\n");
 253         fprintf(fp, "tb_all=%i\n", ishidden("checkbutton6")?1:0);
 254         fprintf(fp, "tb_status=%i\n", ishidden("checkbutton5")?1:0);
 255         fprintf(fp, "tb_zoom=%i\n", ishidden("checkbutton3")?1:0);
 256         fprintf(fp, "tb_memory=%i\n", ishidden("checkbutton7")?1:0);
 257         fprintf(fp, "tb_transport=%i\n", ishidden("checkbutton4")?1:0);
 258         fprintf(fp, "tb_unit=%i\n", ishidden("checkbutton2")?1:0);
 259         fprintf(fp, "tb_timelabels=%i\n", ishidden("checkbutton8")?1:0);
 260
 261         fprintf(fp, "\n\n# WINDOW POSITION/SIZE #\n");
 262         fprintf(fp, "win_x=%i\n", my_root_x);
 263         fprintf(fp, "win_y=%i\n", my_root_y);
 264         fprintf(fp, "win_w=%i\n", my_width);
 265         fprintf(fp, "win_h=%i\n", my_height);
 266
 267         fprintf(fp, "\n\n# MISC #\n");
 268         fprintf(fp, "; set to 1 to auto-connect to JACK\n");
 269         fprintf(fp, "syncsource=%i\n", jack_connected()?1:0);
 270         fprintf(fp, "\n; 1: use JACK video-framerate (if set by time-master)\n");
 271         fprintf(fp, "FR_mode=%i\n", (jffr==fffr)?1:0);
 272         fprintf(fp, "\n; seek-stride (in seconds)\n");
 273         fprintf(fp, "seek_stride=%f\n", stride);
 274         fprintf(fp, "\n; do not try to use LASH\n");
 275         fprintf(fp, "no_lash=%i\n", no_lash?1:0);
 276         fprintf(fp, "\n");
 277
 278         fclose(fp);
 279         if (!want_quiet)
 280                 fprintf(stderr,"written config: %s\n",fn);
 281 }