add a new module to the statusbar

make it such that notifications can occur. that is, write to
~/.cache/statusbar_notification, and things appear on the bar. pretty
cool right?
This commit is contained in:
stupidcomputer 2024-04-15 19:34:16 -05:00
parent 405fed6955
commit 275fa01164
4 changed files with 46 additions and 9 deletions

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@ -1,6 +1,6 @@
LDFLAGS=`pkg-config --cflags --libs xcb` LDFLAGS=`pkg-config --cflags --libs xcb`
CFLAGS=-ggdb -fsanitize=address CFLAGS=-ggdb -fsanitize=address
main: battery.o bspwm.o time.o battstatus.o main: battery.o bspwm.o time.o battstatus.o message.o
clean: clean:
rm *.o main rm *.o main

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@ -17,12 +17,14 @@
#include "battstatus.h" #include "battstatus.h"
#include "bspwm.h" #include "bspwm.h"
#include "time.h" #include "time.h"
#include "message.h"
struct module mods[] = { struct module mods[] = {
{mod_battery, "battery", "BAT0", { '\0' }}, {mod_battery, "battery", "BAT0", { '\0' }},
{mod_battstatus, "battstatus", "BAT0", { '\0' }}, {mod_battstatus, "battstatus", "BAT0", { '\0' }},
{mod_time, "time", "", { '\0' }}, {mod_time, "time", "", { '\0' }},
{mod_bspwm, "bspwm", "", { '\0' }}, {mod_bspwm, "bspwm", "", { '\0' }},
{mod_message, "message", "/home/usr/.cache/statusbar_notification", { '\0' }},
}; };
void create_module_proc(int index, char *pipename) { void create_module_proc(int index, char *pipename) {
@ -59,17 +61,12 @@ void redraw() {
static char NAMED_PIPE[] = "/home/usr/.cache/statusbar_pipe"; static char NAMED_PIPE[] = "/home/usr/.cache/statusbar_pipe";
int main(void) { int main(void) {
char pipename[BUFFER_SIZE];
srand(time(NULL)); srand(time(NULL));
strcpy(pipename, &NAMED_PIPE); mkfifo(&NAMED_PIPE, 0666); /* it's okay if this fails */
pipename[sizeof(NAMED_PIPE) - 1] = 'A' + (rand() % 26); int fd = open(&NAMED_PIPE, O_RDWR);
pipename[sizeof(NAMED_PIPE)] = 'A' + (rand() % 26);
pipename[sizeof(NAMED_PIPE) + 1] = '\0';
mkfifo(pipename, 0666);
int fd = open(pipename, O_RDWR);
struct message msg; struct message msg;
create_module_procs(pipename); create_module_procs(&NAMED_PIPE);
for (;;) { for (;;) {
int ret = read(fd, &msg, sizeof(msg)); int ret = read(fd, &msg, sizeof(msg));

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@ -0,0 +1,34 @@
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <sys/inotify.h>
#include "message.h"
#include "common.h"
int mod_message(char *config, char *name, char *pipename) {
struct message msg;
struct inotify_event buf;
strcpy(msg.name, name);
int fd = inotify_init();
int outfd = open(pipename, O_WRONLY);
for(;;) {
int watchdesc = inotify_add_watch(fd, config, IN_MODIFY);
read(fd, &buf, sizeof(struct inotify_event));
/* the file's changed, so reread it */
int filefd = open(config, O_RDONLY, 0);
int read_in = read(filefd, msg.content, sizeof(msg.content));
msg.content[read_in - 1] = '\0';
close(filefd);
/* write the new */
write(outfd, &msg, sizeof(msg));
inotify_rm_watch(fd, watchdesc); /* not sure why this is needed */
}
return 0;
}

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@ -0,0 +1,6 @@
#ifndef STATUS_MESSAGE_H
#define STATUS_MESSAGE_H
int mod_message(char *config, char *name, char *pipename);
#endif