7 #define LENGTH(X) (sizeof(X) / sizeof (X[0]))
12 unsigned int interval;
15 void sighandler(int num);
16 void replace(char *str, char old, char new);
17 void getcmds(int time);
18 void getsigcmds(int signal);
20 int getstatus(char *str, char *last);
24 void sighandler(int signum);
25 void termhandler(int signum);
33 static char statusbar[LENGTH(blocks)][50] = {0};
34 static char statusstr[2][256];
35 static int statusContinue = 1;
36 static void (*writestatus) () = setroot;
38 void replace(char *str, char old, char new)
41 for(int i = 0; i < N; i++)
46 //opens process *cmd and stores output in *output
47 void getcmd(const Block *block, char *output)
49 strcpy(output, block->icon);
50 char *cmd = block->command;
51 FILE *cmdf = popen(cmd,"r");
55 int i = strlen(block->icon);
56 while((c = fgetc(cmdf)) != EOF)
62 if (delim != '\0' && --i)
68 void getcmds(int time)
71 for(int i = 0; i < LENGTH(blocks); i++)
74 if ((current->interval != 0 && time % current->interval == 0) || time == -1)
75 getcmd(current,statusbar[i]);
79 void getsigcmds(int signal)
82 for (int i = 0; i < LENGTH(blocks); i++)
85 if (current->signal == signal)
86 getcmd(current,statusbar[i]);
92 for(int i = 0; i < LENGTH(blocks); i++)
94 if (blocks[i].signal > 0)
95 signal(SIGRTMIN+blocks[i].signal, sighandler);
100 int getstatus(char *str, char *last)
104 for(int i = 0; i < LENGTH(blocks); i++)
106 strcat(str, statusbar[i]);
108 str[strlen(str)-1] = '\0';
109 return strcmp(str, last);//0 if they are the same
114 if (!getstatus(statusstr[0], statusstr[1]))//Only set root if text has changed.
116 Display *d = XOpenDisplay(NULL);
120 screen = DefaultScreen(dpy);
121 root = RootWindow(dpy, screen);
122 XStoreName(dpy, root, statusstr[0]);
128 if (!getstatus(statusstr[0], statusstr[1]))//Only write out if text has changed.
130 printf("%s\n",statusstr[0]);
140 while(statusContinue)
155 void sighandler(int signum)
157 getsigcmds(signum-SIGRTMIN);
161 void termhandler(int signum)
167 int main(int argc, char** argv)
169 for(int i = 0; i < argc; i++)
171 if (!strcmp("-d",argv[i]))
172 delim = argv[++i][0];
173 else if(!strcmp("-p",argv[i]))
174 writestatus = pstdout;
176 signal(SIGTERM, termhandler);
177 signal(SIGINT, termhandler);