commit de87e24e412e1f49a7aa85f88683ce80baf1f4d3
parent 012540e222bfbbd167c0ff419344f72386a3540e
Author: Andrew Milkovich <amilkovich@gmail.com>
Date: Wed, 23 Jan 2013 05:20:37 -0800
added dwmstatus volume display implementation
Diffstat:
2 files changed, 230 insertions(+), 0 deletions(-)
diff --git a/dwm.suckless.org/dwmstatus/index.md b/dwm.suckless.org/dwmstatus/index.md
@@ -20,6 +20,7 @@ User submitted versions
Please add your own version of dwmstatus here.
* [profil-dwmstatus-1.0.c](profil-dwmstatus-1.0.c) - cpufreq, battery percent and date/time
+* [p1c0-dwmstatus-volume.c](p1c0-dwmstatus-volume.c) - volume percentage & bar display
Helper functions
diff --git a/dwm.suckless.org/dwmstatus/p1c0-dwmstatus-volume.c b/dwm.suckless.org/dwmstatus/p1c0-dwmstatus-volume.c
@@ -0,0 +1,229 @@
+/* made by p1c0 2013-1-23.
+**
+** Compile with:
+** gcc -Wall -pedantic -std=c99 -lX11 status.c
+**
+** Notes:
+** bind volume keys in dwm config.h
+**
+** static const char *volup[] = { "dwmstatus", "volume", "up", NULL};
+** static const char *voldown[] = { "dwmstatus", "volume", "down", NULL};
+**
+** static Key keys[] = {
+** { 0, XF86XK_AudioRaiseVolume, spawn, {.v = volup } },
+** { 0, XF86XK_AudioLowerVolume, spawn, {.v = voldown } },
+** //{ MODKEY, XK_F11, spawn, {.v = voldown } },
+** //{ MODKEY, XK_F12, spawn, {.v = volup } },
+** };
+*/
+
+#define _BSD_SOURCE
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <strings.h>
+#include <sys/time.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <X11/Xlib.h>
+
+char *tzargentina = "America/Buenos_Aires";
+char *tzutc = "UTC";
+char *tzberlin = "Europe/Berlin";
+char *tzla = "America/Los_Angeles";
+
+static Display *dpy;
+
+char *
+smprintf(char *fmt, ...)
+{
+ va_list fmtargs;
+ char *ret;
+ int len;
+
+ va_start(fmtargs, fmt);
+ len = vsnprintf(NULL, 0, fmt, fmtargs);
+ va_end(fmtargs);
+
+ ret = malloc(++len);
+ if (ret == NULL) {
+ perror("malloc");
+ exit(1);
+ }
+
+ va_start(fmtargs, fmt);
+ vsnprintf(ret, len, fmt, fmtargs);
+ va_end(fmtargs);
+
+ return ret;
+}
+
+void
+settz(char *tzname)
+{
+ setenv("TZ", tzname, 1);
+}
+
+char *
+mktimes(char *fmt, char *tzname)
+{
+ char buf[129];
+ time_t tim;
+ struct tm *timtm;
+
+ memset(buf, 0, sizeof(buf));
+ settz(tzname);
+ tim = time(NULL);
+ timtm = localtime(&tim);
+ if (timtm == NULL) {
+ perror("localtime");
+ exit(1);
+ }
+
+ if (!strftime(buf, sizeof(buf)-1, fmt, timtm)) {
+ fprintf(stderr, "strftime == 0\n");
+ exit(1);
+ }
+
+ return smprintf("%s", buf);
+}
+
+void
+setstatus(char *str)
+{
+ XStoreName(dpy, DefaultRootWindow(dpy), str);
+ XSync(dpy, False);
+}
+
+char *
+loadavg(void)
+{
+ double avgs[3];
+
+ if (getloadavg(avgs, 3) < 0) {
+ perror("getloadavg");
+ exit(1);
+ }
+
+ return smprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
+}
+
+char*
+runcmd(char* cmd) {
+ FILE* fp = popen(cmd, "r");
+ if (fp == NULL) return NULL;
+ char ln[30];
+ fgets(ln, sizeof(ln)-1, fp);
+ pclose(fp);
+ ln[strlen(ln)-1]='\0';
+ return smprintf("%s", ln);
+}
+
+int
+getvolume() {
+ int volume;
+ sscanf(runcmd("amixer | grep -A 6 PCM | grep 'Front Left: Playback'\
+ | grep -o '[0-9%]*%'"), "%i%%", &volume);
+ return volume;
+}
+
+void
+setvolume(int percent) {
+ char volcmd[32];
+ sprintf(volcmd, "amixer set PCM %i%%", percent);
+ system(volcmd);
+}
+
+char*
+mkprogressbar(unsigned int size, unsigned int percent) {
+ unsigned int num = ((size-2)*percent)/100;
+ char *bar = malloc(size);
+ if (bar == NULL) {
+ perror("malloc");
+ exit(1);
+ }
+ bar[0] = '[';
+ for (int i = 1; i <= num; i++) {
+ bar[i] = '*';
+ }
+ for (int i = num+1; i < size-1; i++) {
+ bar[i] = ' ';
+ }
+ bar[size-1] = ']';
+ bar[size] = '\0';
+ return bar;
+}
+
+int
+main(int argc, char *argv[])
+{
+ char *status;
+ char *avgs;
+ char *tla;
+ int volume;
+ char *volumebar;
+
+ if (!(dpy = XOpenDisplay(NULL))) {
+ fprintf(stderr, "dwmstatus: cannot open display.\n");
+ return 1;
+ }
+
+ if (argc > 1) {
+ if (strcmp(argv[1], "volume") == 0) {
+ if (strcmp(argv[2], "up") == 0) {
+ volume = getvolume();
+ if (volume < 100) volume += 5;
+ setvolume(volume);
+ volumebar = mkprogressbar(22, volume);
+ avgs = loadavg();
+ tla = mktimes("%H:%M", tzla);
+ status = smprintf("%i%% %s | %s | %s",
+ volume, volumebar, avgs, tla);
+ setstatus(status);
+ free(avgs);
+ free(tla);
+ free(volumebar);
+ free(status);
+ exit(0);
+ } else if (strcmp(argv[2], "down") == 0) {
+ volume = getvolume();
+ if (volume > 0) volume -= 5;
+ setvolume(volume);
+ volumebar = mkprogressbar(22, volume);
+ avgs = loadavg();
+ tla = mktimes("%H:%M", tzla);
+ status = smprintf("%i%% %s | %s | %s",
+ volume, volumebar, avgs, tla);
+ setstatus(status);
+ free(avgs);
+ free(tla);
+ free(volumebar);
+ free(status);
+ exit(0);
+ }
+ }
+ }
+
+ volume = getvolume();
+ for (;;sleep(90)) {
+ avgs = loadavg();
+ tla = mktimes("%H:%M", tzla);
+ volumebar = mkprogressbar(22, volume);
+ status = smprintf("%i%% %s | %s | %s",
+ volume, volumebar, avgs, tla);
+ setstatus(status);
+ free(avgs);
+ free(tla);
+ free(volumebar);
+ free(status);
+ }
+
+ XCloseDisplay(dpy);
+
+ return 0;
+}
+
