commit 51d81ea4fcaa902f56d1cb03e51d344458913bf0
parent 39e855f7f95bb116b6ac24ba9cbb8d536f921e90
Author: wifiextender <wifiextender@bitmessage.ch>
Date: Mon, 23 Feb 2015 02:28:51 +0200
new statusbar entry
Diffstat:
2 files changed, 181 insertions(+), 0 deletions(-)
diff --git a/dwm.suckless.org/dwmstatus/dwm-bar.c b/dwm.suckless.org/dwmstatus/dwm-bar.c
@@ -0,0 +1,179 @@
+/*
+ dwm-bar.c - The `xsetroot' alternative in C to
+ set following information to the root window:
+ RAM 10%, SSD 10%, Linux release, Volume 10%, Time 10:00 PM
+
+ Compile with:
+ gcc -Wall -Wextra -std=c99 -O2 dwm-bar.c -o $HOME/.cache/dwm-bar -lasound -lX11
+
+ Copyright 02/22/2015 Aaron Caffrey https://github.com/wifiextender
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ MA 02110-1301, USA.
+*/
+
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <inttypes.h>
+
+#include <sys/statvfs.h>
+#include <sys/sysinfo.h>
+#include <sys/utsname.h>
+
+#include <X11/Xlib.h>
+#include <alsa/asoundlib.h>
+
+#define MB 1048576
+#define GB 1073741824
+#define VLA 100
+#define COMMA ','
+
+static void get_ram(char *);
+static void get_ssd(char *);
+static void get_kernel(char *);
+static void get_time(char *);
+static void get_volume(char *);
+static void set_status(const char *);
+
+
+int main(void)
+{
+ char ram[VLA], ssd[VLA], kern[VLA];
+ char volume[VLA], Time[VLA], combine[VLA*5];
+
+ get_ram(ram);
+ get_ssd(ssd);
+ get_kernel(kern);
+ get_volume(volume);
+ get_time(Time);
+
+ sprintf(combine,
+ "%s %s%%%c %s %s%%%c %s%c %s %s%%%c %s %s",
+ "RAM", ram, COMMA,
+ "SSD", ssd, COMMA,
+ kern, COMMA,
+ "Volume", volume, COMMA,
+ "Time", Time);
+
+ set_status(combine);
+
+ return EXIT_SUCCESS;
+}
+
+
+static void get_ram(char *str1)
+{
+ uintmax_t used = 0, total = 0, percent = 0;
+
+ struct sysinfo mem;
+ sysinfo(&mem);
+
+ total = (uintmax_t) mem.totalram / MB;
+ used = (uintmax_t) (mem.totalram - mem.freeram -
+ mem.bufferram - mem.sharedram) / MB;
+ percent = (used * 100) / total;
+
+ sprintf(str1, "%"PRIuMAX, percent);
+}
+
+
+static void get_ssd(char *str1)
+{
+ uintmax_t percent = 0;
+
+ struct statvfs ssd;
+ statvfs(getenv("HOME"), &ssd);
+
+ percent = ((ssd.f_blocks - ssd.f_bfree) * ssd.f_bsize) / GB;
+
+ sprintf(str1, "%"PRIuMAX, percent);
+}
+
+
+static void get_kernel(char *str1)
+{
+ struct utsname KerneL;
+ uname(&KerneL);
+
+ sprintf(str1, "%s %s", KerneL.sysname, KerneL.release);
+}
+
+
+static void get_time(char *str1)
+{
+ char time_str[VLA];
+
+ time_t t = time(NULL);
+
+ strftime(time_str, VLA, "%I:%M %p", localtime(&t));
+
+ sprintf(str1, "%s", time_str);
+}
+
+
+static void get_volume(char *str1)
+{
+ snd_mixer_t *handle;
+ snd_mixer_elem_t *elem;
+ snd_mixer_selem_id_t *s_elem;
+
+ snd_mixer_open(&handle, 0);
+ snd_mixer_attach(handle, "default");
+ snd_mixer_selem_register(handle, NULL, NULL);
+ snd_mixer_load(handle);
+ snd_mixer_selem_id_malloc(&s_elem);
+ snd_mixer_selem_id_set_name(s_elem, "Master");
+
+ elem = snd_mixer_find_selem(handle, s_elem);
+
+ if (elem == NULL)
+ {
+ snd_mixer_selem_id_free(s_elem);
+ snd_mixer_close(handle);
+
+ exit(EXIT_FAILURE);
+ }
+
+ long int vol, max, min, percent;
+
+ snd_mixer_handle_events(handle);
+ snd_mixer_selem_get_playback_volume_range(elem, &min, &max);
+ snd_mixer_selem_get_playback_volume(elem, 0, &vol);
+
+ percent = (vol * 100) / max;
+
+ snd_mixer_selem_id_free(s_elem);
+ snd_mixer_close(handle);
+
+ sprintf(str1, "%ld", percent);
+}
+
+
+static void set_status(const char *str1)
+{
+ Display *display = XOpenDisplay(NULL);
+
+ if (display)
+ {
+ XStoreName(display, DefaultRootWindow(display), str1);
+ XSync(display, 0);
+
+ XCloseDisplay(display);
+ }
+
+ else
+ exit(EXIT_FAILURE);
+}+
\ No newline at end of file
diff --git a/dwm.suckless.org/dwmstatus/index.md b/dwm.suckless.org/dwmstatus/index.md
@@ -32,6 +32,7 @@ Helper functions
If you have simple C functions for gathering system information, please
add them here as file or as code example.
+* [Get ram, disk, kernel, volume and time](dwm-bar.c)
* [Support for ACPI battery status Linux](new-acpi-battery.c)
* [Reading out a temperature from /sys](dwmstatus-temperature.c)
* [Reading up-, and downspeeds of all network interfaces from /proc/net](dwmstatus-netusage.c)
