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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
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