re-introduce regions patch

_STALE_PATCHES/regions.md

@@ -1,10 +0,0 @@
-### Description
-This patch will allow for a program to be used and have the current window regions on all monitors to be passed to the program as standard input.
-
-example is `grim -g "$(slurp)"`
-
-### Download
-- [2023-07-23](https://github.com/djpohly/dwl/compare/main...apprehensions:dwl:regions.patch)
-
-### Authors
-- [sewn](https://github.com/apprehensions)

regions/regions.patch

@@ -0,0 +1,71 @@
+From 9991f8bbf2e379dfca8eb356c03d3d20085255a8 Mon Sep 17 00:00:00 2001
+From: sewn <sewn@disroot.org>
+Date: Sun, 23 Jul 2023 08:13:52 +0300
+Subject: [PATCH] pass window regions to given program as stdin
+
+---
+ config.def.h |  1 +
+ dwl.c        | 28 ++++++++++++++++++++++++++++
+ 2 files changed, 29 insertions(+)
+
+diff --git a/config.def.h b/config.def.h
+index 9009517..79d0236 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -122,6 +122,7 @@ static const Key keys[] = {
+ 	/* modifier                  key                 function        argument */
+ 	{ MODKEY,                    XKB_KEY_p,          spawn,          {.v = menucmd} },
+ 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_Return,     spawn,          {.v = termcmd} },
++	{ MODKEY,                    XKB_KEY_r,          regions,        SHCMD("grim -g \"$(slurp)\"") },
+ 	{ MODKEY,                    XKB_KEY_j,          focusstack,     {.i = +1} },
+ 	{ MODKEY,                    XKB_KEY_k,          focusstack,     {.i = -1} },
+ 	{ MODKEY,                    XKB_KEY_i,          incnmaster,     {.i = +1} },
+diff --git a/dwl.c b/dwl.c
+index fa76db2..9588e36 100644
+--- a/dwl.c
++++ b/dwl.c
+@@ -334,6 +334,7 @@ static Monitor *xytomon(double x, double y);
+ static void xytonode(double x, double y, struct wlr_surface **psurface,
+ 		Client **pc, LayerSurface **pl, double *nx, double *ny);
+ static void zoom(const Arg *arg);
++static void regions(const Arg *arg);
+ 
+ /* variables */
+ static const char broken[] = "broken";
+@@ -2823,6 +2824,33 @@ zoom(const Arg *arg)
+ 	arrange(selmon);
+ }
+ 
++void
++regions(const Arg *arg)
++{
++	int pipefd[2];
++	Client *c;
++	Monitor *m;
++
++	if (pipe(pipefd) == -1)
++		return;
++	if (fork() == 0) {
++		close(pipefd[1]);
++		dup2(pipefd[0], STDIN_FILENO);
++		close(pipefd[0]);
++		setsid();
++		execvp(((char **)arg->v)[0], (char **)arg->v);
++		die("dwl: execvp %s failed:", ((char **)arg->v)[0]);
++	}
++
++	close(pipefd[0]);
++	wl_list_for_each(m, &mons, link)
++		wl_list_for_each(c, &clients, link)
++			if (VISIBLEON(c, m))
++				dprintf(pipefd[1], "%d,%d %dx%d\n",
++				        c->geom.x, c->geom.y, c->geom.width, c->geom.height);
++	close(pipefd[1]);
++}
++
+ #ifdef XWAYLAND
+ void
+ activatex11(struct wl_listener *listener, void *data)
+-- 
+2.43.1
+