dwmblocks

A modular status bar for dwm
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commit c97d6d119e83e1fc776fadb185f9d5b2e2fd5b14
parent b0728ca8b99ced19d45bed35212e79003ddf9a54
Author: Aidan <torrinfail@gmail.com>
Date:   Sun, 24 Mar 2019 16:31:05 -0600

Added code files, and Makefile.

Diffstat:
M.gitignore | 1+
AMakefile | 8++++++++
Ablocks.h | 6++++++
Adwmblocks.c | 151++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 166 insertions(+), 0 deletions(-)

diff --git a/.gitignore b/.gitignore @@ -35,6 +35,7 @@ *.i*86 *.x86_64 *.hex +dwmblocks # Debug files *.dSYM/ diff --git a/Makefile b/Makefile @@ -0,0 +1,8 @@ +output: dwmblocks.o blocks.o + gcc dwmblocks.o blocks.o -o dwmblocks +dwmblocks.o: dwmblocks.c + gcc -c dwmblocks.c +blocks.o: blocks.h + gcc -c blocks.h +clean: + rm *.o dwmblocks diff --git a/blocks.h b/blocks.h @@ -0,0 +1,6 @@ +static const Block blocks[] = { + {"/home/aidan/bin/statusbar/volume", 0, 10}, + {"/home/aidan/bin/statusbar/brightness", 0, 11}, + {"/home/aidan/bin/statusbar/battery", 5, 0}, + {"/home/aidan/bin/statusbar/clock", 5, 0}, +}; diff --git a/dwmblocks.c b/dwmblocks.c @@ -0,0 +1,151 @@ +#include<stdlib.h> +#include<stdio.h> +#include<string.h> +#include<unistd.h> +#include<signal.h> +//#include<X11/Xutil.h> +#include<X11/Xlib.h> +//#include <X11/Xatom.h> +#define LENGTH(X) (sizeof(X) / sizeof (X[0])) +typedef struct { + char* command; + unsigned int interval; + unsigned int signal; +} Block; +void sighandler(int num); + +#include "blocks.h" + +static Display *dpy; +static int screen; +static Window root; +static char statusbar[LENGTH(blocks)][50] = {0}; +static char setrootcmd[256]; +static char *statuscat; +static const char *volupcmd[] = { "volup", NULL }; +static const char *voldowncmd[] = { "voldown", NULL }; +static const char *volmutecmd[] = { "volmute", NULL }; +static int statusContinue = 1,volmuted = 0; + +void replace(char *str, char old, char new) +{ + int N = strlen(str); + for(int i = 0; i < N; i++) + if(str[i] == old) + str[i] = new; +} + + +void getcmd(char *cmd, char *output) +{ + FILE *cmdf = popen(cmd,"r"); + if (!cmdf) + return; + int N = strlen(output); + char c; + int i = 0; + while((c = fgetc(cmdf)) != EOF) + output[i++] = c; + output[i++] = '\0'; + pclose(cmdf); +} + +void getcmds(int time) +{ + const Block* current; + for(int i = 0; i < LENGTH(blocks); i++) + { + current = blocks + i; + if ((current->interval != 0 && time % current->interval == 0) || time == -1) + getcmd(current->command,statusbar[i]); + } +} + +void getsigcmds(int signal) +{ + const Block *current; + for (int i = 0; i < LENGTH(blocks); i++) + { + current = blocks + i; + if (current->signal == signal) + getcmd(current->command,statusbar[i]); + } +} + +void setupsignals() +{ + for(int i = 0; i < LENGTH(blocks); i++) + { + if (blocks[i].signal > 0) + signal(SIGRTMIN+blocks[i].signal, sighandler); + } + +} + +void getstatus(char *str) +{ + int j = 0;//15; + for(int i = 0; i < 5; j+=strlen(statusbar[i++])) + { + strcpy(str + j, statusbar[i]); + } + //for (;j < LENGTH(str);j++) + str[j] = '\0'; + +} + +void setroot() +{ + Display *d = XOpenDisplay(NULL); + if (d) { + dpy = d; + } + screen = DefaultScreen(dpy); + root = RootWindow(dpy, screen); + getstatus(setrootcmd); + replace(setrootcmd,'\n',' '); + replace(setrootcmd,EOF,' '); + //printf("%s\n",setrootcmd); + XStoreName(dpy, root, setrootcmd); + XCloseDisplay(dpy); +} + + +void *statusloop() +{ + setupsignals(); + int i = 0; + getcmds(-1); + while(statusContinue) + { + getcmds(i); + setroot(); + sleep(1.0); + i++; + } +} + +void statusinit() +{ + statusloop(); +} + + +void sighandler(int signum) +{ + getsigcmds(signum-SIGRTMIN); + setroot(); +} + +void termhandler(int signum) +{ + statusContinue = 0; + exit(0); +} + +int main() +{ + signal(SIGTERM, termhandler); + signal(SIGINT, termhandler); + statusinit(); +}