dwmblocks

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
+
A
Makefile
 | 
8
++++++++
A
blocks.h
 | 
6
++++++
A
dwmblocks.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();
+}