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port autostart patch from dwm

Browse Source 
https://dwm.suckless.org/patches/cool_autostart/
Signed-off-by: Leonardo Hernández Hernández <leohdz172@proton.me>
This commit is contained in:
Leonardo Hernández Hernández 2023-07-08 17:11:36 -06:00 committed by Alex Denes
parent c4b11e4365
commit 0a15d26bd3
Signed by: caskd
GPG Key ID: F92BA85F61F4C173
2 changed files with 61 additions and 5 deletions
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7
config.def.h
View File

@ -20,6 +20,13 @@ static const float fullscreen_bg[] = {0.1f, 0.1f, 0.1f, 1.0f}; /* You ca
/* logging */
static int log_level = WLR_ERROR;
/* Autostart */
static const char *const autostart[] = {
"wbg", "/path/to/your/image", NULL,
NULL /* terminate */
};
/* NOTE: ALWAYS keep a rule declared even if you don't use rules (e.g leave at least one example) */
static const Rule rules[] = {
/* app_id title tags mask isfloating monitor */

59
dwl.c
View File

@ -251,6 +251,7 @@ static void arrange(Monitor *m);
static void arrangelayer(Monitor *m, struct wl_list *list,
struct wlr_box *usable_area, int exclusive);
static void arrangelayers(Monitor *m);
static void autostartexec(void);
static void axisnotify(struct wl_listener *listener, void *data);
static void buttonpress(struct wl_listener *listener, void *data);
static void centeredmaster(Monitor *m);
@ -439,6 +440,9 @@ static xcb_atom_t netatom[NetLast];
/* attempt to encapsulate suck into one file */
#include "client.h"
static pid_t *autostart_pids;
static size_t autostart_len;
/* function implementations */
void
applybounds(Client *c, struct wlr_box *bbox)
@ -587,6 +591,27 @@ arrangelayers(Monitor *m)
}
}
void
autostartexec(void) {
const char *const *p;
size_t i = 0;
/* count entries */
for (p = autostart; *p; autostart_len++, p++)
while (*++p);
autostart_pids = calloc(autostart_len, sizeof(pid_t));
for (p = autostart; *p; i++, p++) {
if ((autostart_pids[i] = fork()) == 0) {
setsid();
execvp(*p, (char *const *)p);
die("dwl: execvp %s:", *p);
}
/* skip arguments */
while (*++p);
}
}
void
axisnotify(struct wl_listener *listener, void *data)
{
@ -746,11 +771,21 @@ checkidleinhibitor(struct wlr_surface *exclude)
void
cleanup(void)
{
size_t i;
#ifdef XWAYLAND
wlr_xwayland_destroy(xwayland);
xwayland = NULL;
#endif
wl_display_destroy_clients(dpy);
/* kill child processes */
for (i = 0; i < autostart_len; i++) {
if (0 < autostart_pids[i]) {
kill(autostart_pids[i], SIGTERM);
waitpid(autostart_pids[i], NULL, 0);
}
}
if (child_pid > 0) {
kill(-child_pid, SIGTERM);
waitpid(child_pid, NULL, 0);
@ -1571,18 +1606,31 @@ void
handlesig(int signo)
{
if (signo == SIGCHLD) {
#ifdef XWAYLAND
siginfo_t in;
/* wlroots expects to reap the XWayland process itself, so we
* use WNOWAIT to keep the child waitable until we know it's not
* XWayland.
*/
while (!waitid(P_ALL, 0, &in, WEXITED|WNOHANG|WNOWAIT) && in.si_pid
&& (!xwayland || in.si_pid != xwayland->server->pid))
waitpid(in.si_pid, NULL, 0);
#else
while (waitpid(-1, NULL, WNOHANG) > 0);
#ifdef XWAYLAND
&& (!xwayland || in.si_pid != xwayland->server->pid)
#endif
) {
pid_t *p, *lim;
waitpid(in.si_pid, NULL, 0);
if (in.si_pid == child_pid)
child_pid = -1;
if (!(p = autostart_pids))
continue;
lim = &p[autostart_len];
for (; p < lim; p++) {
if (*p == in.si_pid) {
*p = -1;
break;
}
}
}
} else if (signo == SIGINT || signo == SIGTERM) {
quit(NULL);
}
@ -2348,6 +2396,7 @@ run(char *startup_cmd)
die("startup: backend_start");
/* Now that the socket exists and the backend is started, run the startup command */
autostartexec();
if (startup_cmd) {
int piperw[2];
if (pipe(piperw) < 0)