add slstatus

config.h

@@ -104,6 +104,7 @@ static Key keys[] = {
 	{ MODKEY|ControlMask,           XK_p,          spawn,                  SHCMD ("flameshot gui --clipboard")}, // copy screenshot to clipboard
 	{ MODKEY,                       XK_e,          spawn,                  SHCMD ("thunar")}, // open thunar file manager
 	{ MODKEY,                       XK_w,          spawn,                  SHCMD ("looking-glass-client -F")}, // start Looking glass
+	{ MODKEY|ShiftMask,             XK_w,          spawn,                  SHCMD ("feh --randomize --bg-fill /home/titus/Pictures/backgrounds/*")}, // start Looking glass
 	{ 0,                            0x1008ff02,    spawn,                  SHCMD ("xbacklight -inc 10")}, // increase backlight brightness
 	{ 0,                            0x1008ff03,    spawn,                  SHCMD ("xbacklight -dec 10")}, // decrease backlight brightness
 	{ 0,                            0x1008ff1b,    spawn,                  SHCMD ("xbacklight -inc 10")}, // increase backlight brightness

slstatus/Makefile

@@ -0,0 +1,69 @@
+# See LICENSE file for copyright and license details
+# slstatus - suckless status monitor
+.POSIX:
+
+include config.mk
+
+REQ = util
+COM =\
+	components/battery\
+	components/cat\
+	components/cpu\
+	components/datetime\
+	components/disk\
+	components/entropy\
+	components/hostname\
+	components/ip\
+	components/kernel_release\
+	components/keyboard_indicators\
+	components/keymap\
+	components/load_avg\
+	components/netspeeds\
+	components/num_files\
+	components/ram\
+	components/run_command\
+	components/swap\
+	components/temperature\
+	components/uptime\
+	components/user\
+	components/volume\
+	components/wifi
+
+all: slstatus
+
+$(COM:=.o): config.mk $(REQ:=.h) slstatus.h
+slstatus.o: slstatus.c slstatus.h arg.h config.h config.mk $(REQ:=.h)
+
+.c.o:
+	$(CC) -o $@ -c $(CPPFLAGS) $(CFLAGS) $<
+
+config.h:
+	cp config.def.h $@
+
+slstatus: slstatus.o $(COM:=.o) $(REQ:=.o)
+	$(CC) -o $@ $(LDFLAGS) $(COM:=.o) $(REQ:=.o) slstatus.o $(LDLIBS)
+
+clean:
+	rm -f slstatus slstatus.o $(COM:=.o) $(REQ:=.o) slstatus-${VERSION}.tar.gz
+
+dist:
+	rm -rf "slstatus-$(VERSION)"
+	mkdir -p "slstatus-$(VERSION)/components"
+	cp -R LICENSE Makefile README config.mk config.def.h \
+	      arg.h slstatus.h slstatus.c $(REQ:=.c) $(REQ:=.h) \
+	      slstatus.1 "slstatus-$(VERSION)"
+	cp -R $(COM:=.c) "slstatus-$(VERSION)/components"
+	tar -cf - "slstatus-$(VERSION)" | gzip -c > "slstatus-$(VERSION).tar.gz"
+	rm -rf "slstatus-$(VERSION)"
+
+install: all
+	mkdir -p "$(DESTDIR)$(PREFIX)/bin"
+	cp -f slstatus "$(DESTDIR)$(PREFIX)/bin"
+	chmod 755 "$(DESTDIR)$(PREFIX)/bin/slstatus"
+	mkdir -p "$(DESTDIR)$(MANPREFIX)/man1"
+	cp -f slstatus.1 "$(DESTDIR)$(MANPREFIX)/man1"
+	chmod 644 "$(DESTDIR)$(MANPREFIX)/man1/slstatus.1"
+
+uninstall:
+	rm -f "$(DESTDIR)$(PREFIX)/bin/slstatus"
+	rm -f "$(DESTDIR)$(MANPREFIX)/man1/slstatus.1"

slstatus/arg.h

@@ -0,0 +1,33 @@
+/* See LICENSE file for copyright and license details. */
+#ifndef ARG_H
+#define ARG_H
+
+extern char *argv0;
+
+/* int main(int argc, char *argv[]) */
+#define ARGBEGIN for (argv0 = *argv, *argv ? (argc--, argv++) : ((void *)0);      \
+                      *argv && (*argv)[0] == '-' && (*argv)[1]; argc--, argv++) { \
+                 	int i_, argused_;                                         \
+                 	if ((*argv)[1] == '-' && !(*argv)[2]) {                   \
+                 		argc--, argv++;                                   \
+                 		break;                                            \
+                 	}                                                         \
+                 	for (i_ = 1, argused_ = 0; (*argv)[i_]; i_++) {           \
+				switch ((*argv)[i_])
+#define ARGEND   		if (argused_) {                                   \
+                 			if ((*argv)[i_ + 1]) {                    \
+                 				break;                            \
+                 			} else {                                  \
+                 				argc--, argv++;                   \
+                 				break;                            \
+                 			}                                         \
+                 		}                                                 \
+                 	}                                                         \
+                 }
+#define ARGC()    ((*argv)[i_])
+#define ARGF_(x) (((*argv)[i_ + 1]) ? (argused_ = 1, &((*argv)[i_ + 1])) :        \
+                  (*(argv + 1))     ? (argused_ = 1, *(argv + 1))        : (x))
+#define EARGF(x) ARGF_(((x), exit(1), (char *)0))
+#define ARGF()   ARGF_((char *)0)
+
+#endif

slstatus/components/battery.c

@@ -0,0 +1,247 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <string.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+#if defined(__linux__)
+/*
+ * https://www.kernel.org/doc/html/latest/power/power_supply_class.html
+ */
+	#include <limits.h>
+	#include <stdint.h>
+	#include <unistd.h>
+
+	#define POWER_SUPPLY_CAPACITY "/sys/class/power_supply/%s/capacity"
+	#define POWER_SUPPLY_STATUS   "/sys/class/power_supply/%s/status"
+	#define POWER_SUPPLY_CHARGE   "/sys/class/power_supply/%s/charge_now"
+	#define POWER_SUPPLY_ENERGY   "/sys/class/power_supply/%s/energy_now"
+	#define POWER_SUPPLY_CURRENT  "/sys/class/power_supply/%s/current_now"
+	#define POWER_SUPPLY_POWER    "/sys/class/power_supply/%s/power_now"
+
+	static const char *
+	pick(const char *bat, const char *f1, const char *f2, char *path,
+	     size_t length)
+	{
+		if (esnprintf(path, length, f1, bat) > 0 &&
+		    access(path, R_OK) == 0)
+			return f1;
+
+		if (esnprintf(path, length, f2, bat) > 0 &&
+		    access(path, R_OK) == 0)
+			return f2;
+
+		return NULL;
+	}
+
+	const char *
+	battery_perc(const char *bat)
+	{
+		int cap_perc;
+		char path[PATH_MAX];
+
+		if (esnprintf(path, sizeof(path), POWER_SUPPLY_CAPACITY, bat) < 0)
+			return NULL;
+		if (pscanf(path, "%d", &cap_perc) != 1)
+			return NULL;
+
+		return bprintf("%d", cap_perc);
+	}
+
+	const char *
+	battery_state(const char *bat)
+	{
+		static struct {
+			char *state;
+			char *symbol;
+		} map[] = {
+			{ "Charging",    "+" },
+			{ "Discharging", "-" },
+			{ "Full",        "o" },
+			{ "Not charging", "o" },
+		};
+		size_t i;
+		char path[PATH_MAX], state[12];
+
+		if (esnprintf(path, sizeof(path), POWER_SUPPLY_STATUS, bat) < 0)
+			return NULL;
+		if (pscanf(path, "%12[a-zA-Z ]", state) != 1)
+			return NULL;
+
+		for (i = 0; i < LEN(map); i++)
+			if (!strcmp(map[i].state, state))
+				break;
+
+		return (i == LEN(map)) ? "?" : map[i].symbol;
+	}
+
+	const char *
+	battery_remaining(const char *bat)
+	{
+		uintmax_t charge_now, current_now, m, h;
+		double timeleft;
+		char path[PATH_MAX], state[12];
+
+		if (esnprintf(path, sizeof(path), POWER_SUPPLY_STATUS, bat) < 0)
+			return NULL;
+		if (pscanf(path, "%12[a-zA-Z ]", state) != 1)
+			return NULL;
+
+		if (!pick(bat, POWER_SUPPLY_CHARGE, POWER_SUPPLY_ENERGY, path,
+		          sizeof(path)) ||
+		    pscanf(path, "%ju", &charge_now) < 0)
+			return NULL;
+
+		if (!strcmp(state, "Discharging")) {
+			if (!pick(bat, POWER_SUPPLY_CURRENT, POWER_SUPPLY_POWER, path,
+			          sizeof(path)) ||
+			    pscanf(path, "%ju", &current_now) < 0)
+				return NULL;
+
+			if (current_now == 0)
+				return NULL;
+
+			timeleft = (double)charge_now / (double)current_now;
+			h = timeleft;
+			m = (timeleft - (double)h) * 60;
+
+			return bprintf("%juh %jum", h, m);
+		}
+
+		return "";
+	}
+#elif defined(__OpenBSD__)
+	#include <fcntl.h>
+	#include <machine/apmvar.h>
+	#include <sys/ioctl.h>
+	#include <unistd.h>
+
+	static int
+	load_apm_power_info(struct apm_power_info *apm_info)
+	{
+		int fd;
+
+		fd = open("/dev/apm", O_RDONLY);
+		if (fd < 0) {
+			warn("open '/dev/apm':");
+			return 0;
+		}
+
+		memset(apm_info, 0, sizeof(struct apm_power_info));
+		if (ioctl(fd, APM_IOC_GETPOWER, apm_info) < 0) {
+			warn("ioctl 'APM_IOC_GETPOWER':");
+			close(fd);
+			return 0;
+		}
+		return close(fd), 1;
+	}
+
+	const char *
+	battery_perc(const char *unused)
+	{
+		struct apm_power_info apm_info;
+
+		if (load_apm_power_info(&apm_info))
+			return bprintf("%d", apm_info.battery_life);
+
+		return NULL;
+	}
+
+	const char *
+	battery_state(const char *unused)
+	{
+		struct {
+			unsigned int state;
+			char *symbol;
+		} map[] = {
+			{ APM_AC_ON,      "+" },
+			{ APM_AC_OFF,     "-" },
+		};
+		struct apm_power_info apm_info;
+		size_t i;
+
+		if (load_apm_power_info(&apm_info)) {
+			for (i = 0; i < LEN(map); i++)
+				if (map[i].state == apm_info.ac_state)
+					break;
+
+			return (i == LEN(map)) ? "?" : map[i].symbol;
+		}
+
+		return NULL;
+	}
+
+	const char *
+	battery_remaining(const char *unused)
+	{
+		struct apm_power_info apm_info;
+		unsigned int h, m;
+
+		if (load_apm_power_info(&apm_info)) {
+			if (apm_info.ac_state != APM_AC_ON) {
+				h = apm_info.minutes_left / 60;
+				m = apm_info.minutes_left % 60;
+				return bprintf("%uh %02um", h, m);
+			} else {
+				return "";
+			}
+		}
+
+		return NULL;
+	}
+#elif defined(__FreeBSD__)
+	#include <sys/sysctl.h>
+
+	#define BATTERY_LIFE  "hw.acpi.battery.life"
+	#define BATTERY_STATE "hw.acpi.battery.state"
+	#define BATTERY_TIME  "hw.acpi.battery.time"
+
+	const char *
+	battery_perc(const char *unused)
+	{
+		int cap_perc;
+		size_t len;
+
+		len = sizeof(cap_perc);
+		if (sysctlbyname(BATTERY_LIFE, &cap_perc, &len, NULL, 0) < 0 || !len)
+			return NULL;
+
+		return bprintf("%d", cap_perc);
+	}
+
+	const char *
+	battery_state(const char *unused)
+	{
+		int state;
+		size_t len;
+
+		len = sizeof(state);
+		if (sysctlbyname(BATTERY_STATE, &state, &len, NULL, 0) < 0 || !len)
+			return NULL;
+
+		switch (state) {
+		case 0: /* FALLTHROUGH */
+		case 2:
+			return "+";
+		case 1:
+			return "-";
+		default:
+			return "?";
+		}
+	}
+
+	const char *
+	battery_remaining(const char *unused)
+	{
+		int rem;
+		size_t len;
+
+		len = sizeof(rem);
+		if (sysctlbyname(BATTERY_TIME, &rem, &len, NULL, 0) < 0 || !len
+		    || rem < 0)
+			return NULL;
+
+		return bprintf("%uh %02um", rem / 60, rem % 60);
+	}
+#endif

slstatus/components/cat.c

@@ -0,0 +1,32 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <string.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+const char *
+cat(const char *path)
+{
+        char *f;
+        FILE *fp;
+
+        if (!(fp = fopen(path, "r"))) {
+                warn("fopen '%s':", path);
+                return NULL;
+        }
+
+        f = fgets(buf, sizeof(buf) - 1, fp);
+        if (fclose(fp) < 0) {
+                warn("fclose '%s':", path);
+                return NULL;
+        }
+        if (!f)
+                return NULL;
+
+        if ((f = strrchr(buf, '\n')))
+                f[0] = '\0';
+
+        return buf[0] ? buf : NULL;
+}
+