src/config_shell.c



    1 /**
    2  * I3cstatus prints a configurable status bar for the i3 window manager
    3  * Copyright (C) 2020 Aaron Ball <nullspoon@oper.io>
    4  *
    5  * This program is free software: you can redistribute it and/or modify
    6  * it under the terms of the GNU General Public License as published by
    7  * the Free Software Foundation, either version 3 of the License, or
    8  * (at your option) any later version.
    9  *
   10  * This program is distributed in the hope that it will be useful,
   11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   13  * GNU General Public License for more details.
   14  *
   15  * You should have received a copy of the GNU General Public License
   16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   17  */
   18 #include "config_shell.h"
   19 
   20 void config_shell_init(struct node* n) {
   21   n->data = malloc(sizeof(struct config_shell));
   22   n->type = CTYPE_SHELL;
   23   n->loadfunc = &config_shell_load;
   24   n->loadkey = &load_shell_key;
   25 }
   26 
   27 void load_shell_key(struct node* n, char* key, char* val) {
   28   struct config_shell* data = (struct config_shell*) n->data;
   29 
   30   if(strcmp(key, "script") == 0) {
   31     strcpy(data->script, val);
   32     if(n->label[0] == '\0')
   33       sprintf(n->label, "%s", val);
   34   } else {
   35     printf("ERROR: Unknown shell key %s\n", key);
   36   }
   37 }
   38 
   39 int config_shell_load(struct node* n) {
   40   struct config_shell* data = (struct config_shell*) n->data;
   41   FILE* pipe;
   42   char buf[4096];
   43 
   44   // Call the configured script
   45   pipe = popen(data->script, "r");
   46   fgets(buf, 4096, pipe);
   47   pclose(pipe);
   48 
   49   sprintf(n->text, "%s", trim(buf));
   50   return 0;
   51 }