7 #define LENGTH(X) (sizeof(X) / sizeof (X[0]))
9 #define STATUSLENGTH (LENGTH(blocks) * CMDLENGTH + 1)
14 unsigned int interval;
17 void sighandler(int num);
18 void getcmds(int time);
20 void getsigcmds(int signal);
22 void sighandler(int signum);
24 int getstatus(char *str, char *last);
27 void termhandler(int signum);
35 static char statusbar[LENGTH(blocks)][CMDLENGTH] = {0};
36 static char statusstr[2][STATUSLENGTH];
37 static int statusContinue = 1;
38 static void (*writestatus) () = setroot;
40 //opens process *cmd and stores output in *output
41 void getcmd(const Block *block, char *output)
43 strcpy(output, block->icon);
44 char *cmd = block->command;
45 FILE *cmdf = popen(cmd,"r");
49 int i = strlen(block->icon);
50 fgets(output+i, CMDLENGTH-i, cmdf);
52 if (delim != '\0' && --i)
58 void getcmds(int time)
61 for(int i = 0; i < LENGTH(blocks); i++)
64 if ((current->interval != 0 && time % current->interval == 0) || time == -1)
65 getcmd(current,statusbar[i]);
70 void getsigcmds(int signal)
73 for (int i = 0; i < LENGTH(blocks); i++)
76 if (current->signal == signal)
77 getcmd(current,statusbar[i]);
83 for(int i = 0; i < LENGTH(blocks); i++)
85 if (blocks[i].signal > 0)
86 signal(SIGRTMIN+blocks[i].signal, sighandler);
92 int getstatus(char *str, char *last)
96 for(int i = 0; i < LENGTH(blocks); i++)
97 strcat(str, statusbar[i]);
98 str[strlen(str)-1] = '\0';
99 return strcmp(str, last);//0 if they are the same
104 if (!getstatus(statusstr[0], statusstr[1]))//Only set root if text has changed.
106 Display *d = XOpenDisplay(NULL);
110 screen = DefaultScreen(dpy);
111 root = RootWindow(dpy, screen);
112 XStoreName(dpy, root, statusstr[0]);
118 if (!getstatus(statusstr[0], statusstr[1]))//Only write out if text has changed.
120 printf("%s\n",statusstr[0]);
132 while(statusContinue)
142 void sighandler(int signum)
144 getsigcmds(signum-SIGRTMIN);
149 void termhandler(int signum)
155 int main(int argc, char** argv)
157 for(int i = 0; i < argc; i++)
159 if (!strcmp("-d",argv[i]))
160 delim = argv[++i][0];
161 else if(!strcmp("-p",argv[i]))
162 writestatus = pstdout;
164 signal(SIGTERM, termhandler);
165 signal(SIGINT, termhandler);