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Add spawninfo patch

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This commit is contained in:
Nikita Ivanov
2025-02-14 23:10:09 +01:00
parent 268bee3cee
commit c01728c629
4 changed files with 306 additions and 0 deletions
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patches/spawninfo/spawninfo.patch
+110
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@@ -0,0 +1,110 @@
From 83b8dc03f5ea40f472e90d452671f8e55faf2c4c Mon Sep 17 00:00:00 2001
From: Nikita Ivanov <nikita.vyach.ivanov@gmail.com>
Date: Sun, 9 Feb 2025 23:27:48 +0100
Subject: [PATCH] spawninfo: spawn but pass client info via stdin
---
client.h | 12 ++++++++++++
dwl.c | 42 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 54 insertions(+)
diff --git a/client.h b/client.h
index 42f225f..bc9cad2 100644
--- a/client.h
+++ b/client.h
@@ -131,6 +131,18 @@ client_get_appid(Client *c)
return c->surface.xdg->toplevel->app_id;
}
+static inline int
+client_get_pid(Client *c)
+{
+ pid_t pid;
+#ifdef XWAYLAND
+ if (client_is_x11(c))
+ return c->surface.xwayland->pid;
+#endif
+ wl_client_get_credentials(c->surface.xdg->client->client, &pid, NULL, NULL);
+ return pid;
+}
+
static inline void
client_get_clip(Client *c, struct wlr_box *clip)
{
diff --git a/dwl.c b/dwl.c
index def2562..859514c 100644
--- a/dwl.c
+++ b/dwl.c
@@ -141,6 +141,7 @@ typedef struct {
uint32_t tags;
int isfloating, isurgent, isfullscreen;
uint32_t resize; /* configure serial of a pending resize */
+ pid_t pid;
} Client;
typedef struct {
@@ -334,6 +335,7 @@ static void setpsel(struct wl_listener *listener, void *data);
static void setsel(struct wl_listener *listener, void *data);
static void setup(void);
static void spawn(const Arg *arg);
+static void spawninfo(const Arg *arg);
static void startdrag(struct wl_listener *listener, void *data);
static void tag(const Arg *arg);
static void tagmon(const Arg *arg);
@@ -466,6 +468,8 @@ applyrules(Client *c)
if (!(title = client_get_title(c)))
title = broken;
+ c->pid = client_get_pid(c);
+
for (r = rules; r < END(rules); r++) {
if ((!r->title || strstr(title, r->title))
&& (!r->id || strstr(appid, r->id))) {
@@ -2658,6 +2662,44 @@ spawn(const Arg *arg)
}
}
+void
+spawninfo(const Arg *arg)
+{
+ int fd[2];
+ pid_t pid;
+ const char *title, *appid;
+ Client *c = focustop(selmon);
+
+ if (pipe(fd) == -1)
+ return;
+ if ((pid = fork()) == -1)
+ return;
+ if (pid == 0) {
+ dup2(fd[0], STDIN_FILENO);
+ close(fd[0]);
+ close(fd[1]);
+ dup2(STDERR_FILENO, STDOUT_FILENO);
+ setsid();
+ execvp(((char **)arg->v)[0], (char **)arg->v);
+ die("dwl: execvp %s failed:", ((char **)arg->v)[0]);
+ }
+
+ close(fd[0]);
+
+ if (c) {
+ if (!(title = client_get_title(c)))
+ title = "";
+ if (!(appid = client_get_appid(c)))
+ appid = "";
+ dprintf(fd[1], "%d\n%s\n%s\n%"PRIu32"\n%d,%d %dx%d\n", c->pid,
+ title, appid, c->tags,
+ c->geom.x + c->bw, c->geom.y + c->bw,
+ c->geom.width - 2 * c->bw, c->geom.height - 2 * c->bw);
+ }
+
+ close(fd[1]);
+}
+
void
startdrag(struct wl_listener *listener, void *data)
{
--
2.48.1