7 #define LENGTH(X) (sizeof(X) / sizeof (X[0]))
13 unsigned int interval;
16 void sighandler(int num);
17 void getcmds(int time);
19 void getsigcmds(int signal);
21 void sighandler(int signum);
23 int getstatus(char *str, char *last);
26 void termhandler(int signum);
34 static char statusbar[LENGTH(blocks)][CMDLENGTH] = {0};
35 static char statusstr[2][256];
36 static int statusContinue = 1;
37 static void (*writestatus) () = setroot;
39 //opens process *cmd and stores output in *output
40 void getcmd(const Block *block, char *output)
42 strcpy(output, block->icon);
43 char *cmd = block->command;
44 FILE *cmdf = popen(cmd,"r");
48 int i = strlen(block->icon);
49 fgets(output+i, CMDLENGTH-i, cmdf);
51 if (delim != '\0' && --i)
57 void getcmds(int time)
60 for(int i = 0; i < LENGTH(blocks); i++)
63 if ((current->interval != 0 && time % current->interval == 0) || time == -1)
64 getcmd(current,statusbar[i]);
69 void getsigcmds(int signal)
72 for (int i = 0; i < LENGTH(blocks); i++)
75 if (current->signal == signal)
76 getcmd(current,statusbar[i]);
82 for(int i = 0; i < LENGTH(blocks); i++)
84 if (blocks[i].signal > 0)
85 signal(SIGRTMIN+blocks[i].signal, sighandler);
91 int getstatus(char *str, char *last)
95 for(int i = 0; i < LENGTH(blocks); i++)
96 strcat(str, statusbar[i]);
97 str[strlen(str)-1] = '\0';
98 return strcmp(str, last);//0 if they are the same
103 if (!getstatus(statusstr[0], statusstr[1]))//Only set root if text has changed.
105 Display *d = XOpenDisplay(NULL);
109 screen = DefaultScreen(dpy);
110 root = RootWindow(dpy, screen);
111 XStoreName(dpy, root, statusstr[0]);
117 if (!getstatus(statusstr[0], statusstr[1]))//Only write out if text has changed.
119 printf("%s\n",statusstr[0]);
131 while(statusContinue)
141 void sighandler(int signum)
143 getsigcmds(signum-SIGRTMIN);
148 void termhandler(int signum)
154 int main(int argc, char** argv)
156 for(int i = 0; i < argc; i++)
158 if (!strcmp("-d",argv[i]))
159 delim = argv[++i][0];
160 else if(!strcmp("-p",argv[i]))
161 writestatus = pstdout;
163 signal(SIGTERM, termhandler);
164 signal(SIGINT, termhandler);