From dee230eb56b95c5bc336ad5494675009e76830d1 Mon Sep 17 00:00:00 2001
From: save196 <saverioturetta@protonmail.com>
Date: Tue, 22 Mar 2022 22:10:05 +0200
Subject: [PATCH] fixes and updated to work with dwm 6.3
 version

- Fix bug where windows moved incorrectly while dragged with the mouse
  in the floating layout
- Updated patch to work with dwm 6.3
---
 config.def.h |  4 ++++
 dwm.c        | 57 ++++++++++++++++++++++++++++++++++++++++------------
 2 files changed, 48 insertions(+), 13 deletions(-)

diff --git a/config.def.h b/config.def.h
index a2ac963..8f3da2b 100644
--- a/config.def.h
+++ b/config.def.h
@@ -2,6 +2,7 @@

 /* appearance */
 static const unsigned int borderpx  = 1;        /* border pixel of windows */
+static const int gappx     = 5;                 /* gaps between windows */
 static const unsigned int snap      = 32;       /* snap pixel */
 static const int showbar            = 1;        /* 0 means no bar */
 static const int topbar             = 1;        /* 0 means bottom bar */
@@ -85,6 +86,9 @@ static Key keys[] = {
 	{ MODKEY,                       XK_period, focusmon,       {.i = +1 } },
 	{ MODKEY|ShiftMask,             XK_comma,  tagmon,         {.i = -1 } },
 	{ MODKEY|ShiftMask,             XK_period, tagmon,         {.i = +1 } },
+	{ MODKEY,                       XK_minus,  setgaps,        {.i = -5 } },
+	{ MODKEY,                       XK_equal,  setgaps,        {.i = +5 } },
+	{ MODKEY|ShiftMask,             XK_equal,  setgaps,        {.i = 0  } },
 	TAGKEYS(                        XK_1,                      0)
 	TAGKEYS(                        XK_2,                      1)
 	TAGKEYS(                        XK_3,                      2)
diff --git a/dwm.c b/dwm.c
index 5f16260..506bb1a 100644
--- a/dwm.c
+++ b/dwm.c
@@ -119,6 +119,7 @@ struct Monitor {
 	int by;               /* bar geometry */
 	int mx, my, mw, mh;   /* screen size */
 	int wx, wy, ww, wh;   /* window area  */
+	int gappx;            /* gaps between windows */
 	unsigned int seltags;
 	unsigned int sellt;
 	unsigned int tagset[2];
@@ -200,6 +201,7 @@ static void sendmon(Client *c, Monitor *m);
 static void setclientstate(Client *c, long state);
 static void setfocus(Client *c);
 static void setfullscreen(Client *c, int fullscreen);
+static void setgaps(const Arg *arg);
 static void setlayout(const Arg *arg);
 static void setmfact(const Arg *arg);
 static void setup(void);
@@ -640,6 +642,7 @@ createmon(void)
 	m->nmaster = nmaster;
 	m->showbar = showbar;
 	m->topbar = topbar;
+	m->gappx = gappx;
 	m->lt[0] = &layouts[0];
 	m->lt[1] = &layouts[1 % LENGTH(layouts)];
 	strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
@@ -1287,6 +1290,15 @@ resizeclient(Client *c, int x, int y, int w, int h)
 	c->oldw = c->w; c->w = wc.width = w;
 	c->oldh = c->h; c->h = wc.height = h;
 	wc.border_width = c->bw;
+	if (((nexttiled(c->mon->clients) == c && !nexttiled(c->next))
+	    || &monocle == c->mon->lt[c->mon->sellt]->arrange)
+	    && !c->isfullscreen && !c->isfloating
+	    && c->mon->lt[c->mon->sellt]->arrange)
+	{
+		c->w = wc.width += c->bw * 2;
+		c->h = wc.height += c->bw * 2;
+		wc.border_width = 0;
+	}
 	XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
 	configure(c);
 	XSync(dpy, False);
@@ -1502,6 +1514,16 @@ setfullscreen(Client *c, int fullscreen)
 	}
 }

+void
+setgaps(const Arg *arg)
+{
+	if ((arg->i == 0) || (selmon->gappx + arg->i < 0))
+		selmon->gappx = 0;
+	else
+		selmon->gappx += arg->i;
+	arrange(selmon);
+}
+
 void
 setlayout(const Arg *arg)
 {
@@ -1678,28 +1700,37 @@ tagmon(const Arg *arg)
 void
 tile(Monitor *m)
 {
-	unsigned int i, n, h, mw, my, ty;
+        unsigned int i, n, h, mw, my, ty, ns;
 	Client *c;

 	for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
 	if (n == 0)
 		return;
+	if(n == 1){
+		c = nexttiled(m->clients);
+		resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw, 0);
+		return;
+	}

-	if (n > m->nmaster)
+	if (n > m->nmaster) {
 		mw = m->nmaster ? m->ww * m->mfact : 0;
-	else
-		mw = m->ww;
-	for (i = my = ty = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
+		ns = m->nmaster > 0 ? 2 : 1;
+	}
+	else{
+		mw = m->ww - m->gappx;
+		ns = 1;
+	}
+	for (i = 0, my = ty = m->gappx, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
 		if (i < m->nmaster) {
-			h = (m->wh - my) / (MIN(n, m->nmaster) - i);
-			resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), 0);
-			if (my + HEIGHT(c) < m->wh)
-				my += HEIGHT(c);
+			h = (m->wh - my) / (MIN(n, m->nmaster) - i) - m->gappx;
+			resize(c, m->wx + m->gappx, m->wy + my, mw - 2*c->bw - m->gappx*(5-ns)/2, h - 2*c->bw, 0);
+			if(my + HEIGHT(c) + m->gappx < m->wh)
+				my += HEIGHT(c) + m->gappx;
 		} else {
-			h = (m->wh - ty) / (n - i);
-			resize(c, m->wx + mw, m->wy + ty, m->ww - mw - (2*c->bw), h - (2*c->bw), 0);
-			if (ty + HEIGHT(c) < m->wh)
-				ty += HEIGHT(c);
+			h = (m->wh - ty) / (n - i) - m->gappx;
+			resize(c, m->wx + mw + m->gappx/ns, m->wy + ty, m->ww - mw - (2*c->bw) - m->gappx*(5-ns)/2, h - 2*c->bw, 0);
+			if(ty + HEIGHT(c) + m->gappx < m->wh)
+				ty += HEIGHT(c) + m->gappx;
 		}
 }

--
2.35.1