From 8c32f5ce2ed65cdb47452d658578bfe3f1dba81b Mon Sep 17 00:00:00 2001
From: Hai Nguyen <hhai2105@gmail.com>
Date: Fri, 10 Dec 2021 20:19:56 -0500
Subject: [PATCH] added scratchpad struct, added togglescratch program, change
 struct Rule to have floating dimensions

---
 config.def.h | 11 +++++---
 dwm.c        | 72 +++++++++++++++++++++++++++++++++++++++++++++-------
 2 files changed, 71 insertions(+), 12 deletions(-)

diff --git a/config.def.h b/config.def.h
index a2ac963..bbd132a 100644
--- a/config.def.h
+++ b/config.def.h
@@ -26,11 +26,14 @@ static const Rule rules[] = {
 	 *	WM_CLASS(STRING) = instance, class
 	 *	WM_NAME(STRING) = title
 	 */
-	/* class      instance    title       tags mask     isfloating   monitor */
-	{ "Gimp",     NULL,       NULL,       0,            1,           -1 },
-	{ "Firefox",  NULL,       NULL,       1 << 8,       0,           -1 },
+
+	/* class	instance title	tags mask		isfloating		x, y, w, h		monitor */
+
+	{"Gimp",			NULL,	NULL,	0,		1,				-1,-1,-1,-1,		-1},
+	{"Qalculate-gtk",	NULL,	NULL,	0,		1,				.35,35,.3,.5,		-1},
 };
 
+
 /* layout(s) */
 static const float mfact     = 0.55; /* factor of master area size [0.05..0.95] */
 static const int nmaster     = 1;    /* number of clients in master area */
@@ -59,9 +62,11 @@ static const Layout layouts[] = {
 static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn() */
 static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
 static const char *termcmd[]  = { "st", NULL };
+static const scratchpad qalculate = {.class = "Qalculate-gtk", .v = (char *[]){"qalculate-gtk", NULL}};
 
 static Key keys[] = {
 	/* modifier                     key        function        argument */
+	{ControlMask,					XK_s,		togglescratch,		{.v = &qalculate } },
 	{ MODKEY,                       XK_p,      spawn,          {.v = dmenucmd } },
 	{ MODKEY|ShiftMask,             XK_Return, spawn,          {.v = termcmd } },
 	{ MODKEY,                       XK_b,      togglebar,      {0} },
diff --git a/dwm.c b/dwm.c
index 5e4d494..ba7dd1e 100644
--- a/dwm.c
+++ b/dwm.c
@@ -82,6 +82,12 @@ typedef struct {
 	const Arg arg;
 } Button;
 
+typedef struct {
+	const char* class;
+	const char* title;
+	const void* v;
+} scratchpad;
+
 typedef struct Monitor Monitor;
 typedef struct Client Client;
 struct Client {
@@ -138,6 +144,7 @@ typedef struct {
 	const char *title;
 	unsigned int tags;
 	int isfloating;
+	float floatx, floaty, floatw, floath;
 	int monitor;
 } Rule;
 
@@ -214,6 +221,7 @@ static void togglebar(const Arg *arg);
 static void togglefloating(const Arg *arg);
 static void toggletag(const Arg *arg);
 static void toggleview(const Arg *arg);
+static void togglescratch(const Arg *arg);
 static void unfocus(Client *c, int setfocus);
 static void unmanage(Client *c, int destroyed);
 static void unmapnotify(XEvent *e);
@@ -295,15 +303,21 @@ applyrules(Client *c)
 	for (i = 0; i < LENGTH(rules); i++) {
 		r = &rules[i];
 		if ((!r->title || strstr(c->name, r->title))
-		&& (!r->class || strstr(class, r->class))
-		&& (!r->instance || strstr(instance, r->instance)))
-		{
-			c->isfloating = r->isfloating;
-			c->tags |= r->tags;
-			for (m = mons; m && m->num != r->monitor; m = m->next);
-			if (m)
-				c->mon = m;
-		}
+			&& (!r->class || strstr(class, r->class))
+			&& (!r->instance || strstr(instance, r->instance)))
+			{
+				c->isfloating = r->isfloating;
+				c->tags |= r->tags;
+				for (m = mons; m && m->num != r->monitor; m = m->next);
+				if (m)
+					c->mon = m;
+				if(c->isfloating){
+					if (r->floatx >= 0) c->x = c->mon->mx + (int)((float)c->mon->mw * r->floatx);
+					if (r->floaty >= 0) c->y = c->mon->my + (int)((float)c->mon->mh * r->floaty);
+					if (r->floatw >= 0) c->w = (int)((float)c->mon->mw * r->floatw);
+					if (r->floath >= 0) c->h = (int)((float)c->mon->mh * r->floath);
+				}
+			}
 	}
 	if (ch.res_class)
 		XFree(ch.res_class);
@@ -1749,6 +1763,46 @@ toggleview(const Arg *arg)
 	}
 }
 
+void
+togglescratch(const Arg *arg)
+{
+	Client *c;
+	char found = 0;
+	Monitor *m;
+	for(m = mons; m; m = m->next){
+		for (c = m->clients; c; c = c->next){
+			const char *class;
+			XClassHint ch = { NULL, NULL };
+			XGetClassHint(dpy, c->win, &ch);
+			class = ch.res_class ? ch.res_class : broken;
+			found = (((char *)((scratchpad *)arg->v)->class != NULL) && strcmp(class,(char *)((scratchpad *)arg->v)->class) == 0) || (((char *)((scratchpad *)arg->v)->title != NULL) && strcmp(c->name, (char *)((scratchpad *)arg->v)->title) == 0);
+			if(found){
+				break;
+			}
+		}
+		if(found){
+			break;
+		}
+	}
+	if (found) {
+		if(m != selmon){
+			sendmon(c, selmon);
+			c->tags = selmon->tagset[selmon->seltags];
+			applyrules(c);
+		}else{
+			c->tags = ISVISIBLE(c) ? 1 << 31 : selmon->tagset[selmon->seltags];
+		}
+		focus(NULL);
+		arrange(selmon);
+		if (ISVISIBLE(c)) {
+			restack(selmon);
+			focus(c);
+		}
+	} else{
+		spawn(&((Arg){.v = ((scratchpad *)arg->v)->v}));
+	}
+}
+
 void
 unfocus(Client *c, int setfocus)
 {
-- 
2.34.1