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commit 51d81ea4fcaa902f56d1cb03e51d344458913bf0
parent 39e855f7f95bb116b6ac24ba9cbb8d536f921e90
Author: wifiextender <wifiextender@bitmessage.ch>
Date:   Mon, 23 Feb 2015 02:28:51 +0200

new statusbar entry

Diffstat:
Adwm.suckless.org/dwmstatus/dwm-bar.c | 180+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mdwm.suckless.org/dwmstatus/index.md | 1+
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)