From 7d0adc3c6331e1ff1a02d33e71cf00202ef2e26b Mon Sep 17 00:00:00 2001
From: 0scar <qgt268@alumni.ku.dk>
Date: Mon, 30 Sep 2024 12:16:05 +0200
Subject: Patch: named scratchpads

---
 dwl.c | 126 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)

(limited to 'dwl.c')

diff --git a/dwl.c b/dwl.c
index eecdff1..5c5741b 100644
--- a/dwl.c
+++ b/dwl.c
@@ -143,6 +143,7 @@ typedef struct {
 	unsigned int bw;
 	uint32_t tags;
 	int isfloating, isurgent, isfullscreen;
+	char scratchkey;
 	uint32_t resize; /* configure serial of a pending resize */
 } Client;
 
@@ -233,6 +234,7 @@ typedef struct {
 	uint32_t tags;
 	int isfloating;
 	int monitor;
+	const char scratchkey;
 } Rule;
 
 typedef struct {
@@ -289,6 +291,8 @@ static void destroykeyboardgroup(struct wl_listener *listener, void *data);
 static Monitor *dirtomon(enum wlr_direction dir);
 static void focusclient(Client *c, int lift);
 static void focusmon(const Arg *arg);
+static void focusortogglematchingscratch(const Arg *arg);
+static void focusortogglescratch(const Arg *arg);
 static void focusstack(const Arg *arg);
 static Client *focustop(Monitor *m);
 static void fullscreennotify(struct wl_listener *listener, void *data);
@@ -335,12 +339,14 @@ 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 spawnscratch(const Arg *arg);
 static void startdrag(struct wl_listener *listener, void *data);
 static void tag(const Arg *arg);
 static void tagmon(const Arg *arg);
 static void tile(Monitor *m);
 static void togglefloating(const Arg *arg);
 static void togglefullscreen(const Arg *arg);
+static void togglescratch(const Arg *arg);
 static void toggletag(const Arg *arg);
 static void toggleview(const Arg *arg);
 static void unlocksession(struct wl_listener *listener, void *data);
@@ -461,6 +467,7 @@ applyrules(Client *c)
 	Monitor *mon = selmon, *m;
 
 	c->isfloating = client_is_float_type(c);
+	c->scratchkey = 0;
 	appid = client_get_appid(c);
 	title = client_get_title(c);
 
@@ -468,6 +475,7 @@ applyrules(Client *c)
 		if ((!r->title || strstr(title, r->title))
 				&& (!r->id || strstr(appid, r->id))) {
 			c->isfloating = r->isfloating;
+			c->scratchkey = r->scratchkey;
 			newtags |= r->tags;
 			i = 0;
 			wl_list_for_each(m, &mons, link) {
@@ -1433,6 +1441,91 @@ focusmon(const Arg *arg)
 	if (mousefollowsfocus) warpcursortoclient(c);
 }
 
+void
+focusortogglematchingscratch(const Arg *arg)
+{
+	Client *c;
+	unsigned int found = 0;
+	unsigned int hide = 0;
+
+	wl_list_for_each(c, &clients, link) {
+		if (c->scratchkey == 0) {
+			continue;
+		}
+		if (c->scratchkey == ((char**)arg->v)[0][0]) {
+			if (VISIBLEON(c, selmon)) {
+				if (found == 1) {
+					if (hide == 1) {
+						c->tags = 0;
+						focusclient(focustop(selmon), 1);
+					}
+					continue;
+				}
+				if (focustop(selmon) == c) {
+					// hide
+					c->tags = 0;
+					focusclient(focustop(selmon), 1);
+					hide = 1;
+				} else {
+					// focus
+					focusclient(c, 1);
+				}
+			} else {
+				// show
+				c->tags = selmon->tagset[selmon->seltags];
+				// focus
+				focusclient(c, 1);
+			}
+			found = 1;
+			continue;
+		}
+		if (VISIBLEON(c, selmon)) {
+			// hide
+			c->tags = 0;
+		}
+	}
+
+	if (found) {
+		arrange(selmon);
+	} else {
+		spawnscratch(arg);
+	}
+}
+
+void
+focusortogglescratch(const Arg *arg)
+{
+	Client *c;
+	unsigned int found = 0;
+
+	/* search for first window that matches the scratchkey */
+	wl_list_for_each(c, &clients, link)
+		if (c->scratchkey == ((char**)arg->v)[0][0]) {
+			found = 1;
+			break;
+		}
+
+	if (found) {
+		if (VISIBLEON(c, selmon)) {
+			if (focustop(selmon) == c) {
+				// hide
+				c->tags = 0;
+				focusclient(focustop(selmon), 1);
+			} else {
+				// focus
+				focusclient(c, 1);
+			}
+		} else {
+			// show
+			c->tags = selmon->tagset[selmon->seltags];
+			focusclient(c, 1);
+		}
+		arrange(selmon);
+	} else{
+		spawnscratch(arg);
+	}
+}
+
 void
 focusstack(const Arg *arg)
 {
@@ -2645,6 +2738,16 @@ spawn(const Arg *arg)
 	}
 }
 
+void spawnscratch(const Arg *arg)
+{
+	if (fork() == 0) {
+		dup2(STDERR_FILENO, STDOUT_FILENO);
+		setsid();
+		execvp(((char **)arg->v)[1], ((char **)arg->v)+1);
+		die("dwl: execvp %s failed:", ((char **)arg->v)[1]);
+	}
+}
+
 void
 startdrag(struct wl_listener *listener, void *data)
 {
@@ -2731,6 +2834,29 @@ togglefullscreen(const Arg *arg)
 		setfullscreen(sel, !sel->isfullscreen);
 }
 
+void
+togglescratch(const Arg *arg)
+{
+	Client *c;
+	unsigned int found = 0;
+
+	/* search for first window that matches the scratchkey */
+	wl_list_for_each(c, &clients, link)
+		if (c->scratchkey == ((char**)arg->v)[0][0]) {
+			found = 1;
+			break;
+		}
+
+	if (found) {
+		c->tags = VISIBLEON(c, selmon) ? 0 : selmon->tagset[selmon->seltags];
+
+		focusclient(c->tags == 0 ? focustop(selmon) : c, 1);
+		arrange(selmon);
+	} else{
+		spawnscratch(arg);
+	}
+}
+
 void
 toggletag(const Arg *arg)
 {
-- 
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