ru_gaps Patch

- Add ru_gaps patch
- Increase border size to 3 pixels
- Set default gap size to 10 pixels
- Update README to include ru_gaps patch link & modifications
- Update man page to include keybindings for ru_gaps

README.md

@@ -54,13 +54,15 @@ and (re)compiling the source code.
 * [combo](https://dwm.suckless.org/patches/combo/)
 * [movestack](https://dwm.suckless.org/patches/movestack/)
 * [systray](https://dwm.suckless.org/patches/systray/)
+* [ru_gaps](https://dwm.suckless.org/patches/ru_gaps/)
 
 ### Modifications
 
 * Change mod key to super key (windows key)
 * Change terminal from st to alacritty
 * Change colors to follow [Dracula](https://draculatheme.com) theme
-* Increase border to 2 pixels
+* Increase border to 3 pixels
+* Set default gap size to 10 pixels
 * Change tags to be [Font Awesome](https://fontawesome.com) icons
 * Run programs and processes on autostart
 * [Pulse Audio Volume Control](https://gist.github.com/palopezv/efd34059af6126ad970940bcc6a90f2e)

config.h

@@ -5,7 +5,8 @@
 #include "movestack.c"
 
 /* appearance */
-static const unsigned int borderpx  = 2;        /* border pixel of windows */
+static const unsigned int borderpx  = 3;        /* border pixel of windows */
+static const int gappx				= 10;		/* gaps between windows */
 static const unsigned int snap      = 32;       /* snap pixel */
 static const unsigned int systraypinning = 0;   /* 0: sloppy systray follows selected monitor, >0: pin systray to monitor X */
 static const unsigned int systrayspacing = 2;   /* systray spacing */
@@ -111,6 +112,9 @@ 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  } },
 	{ 0,					XF86XK_AudioLowerVolume,	spawn,			{.v = downvolcmd} },
 	{ 0,                    XF86XK_AudioMute,			spawn,			{.v = mutevolcmd} },
 	{ 0,                    XF86XK_AudioRaiseVolume,	spawn,			{.v = upvolcmd} },

dwm.1

@@ -104,6 +104,15 @@ Send focused window to previous screen, if any.
 .B Mod1\-Shift\-.
 Send focused window to next screen, if any.
 .TP
+.B Mod1\--
+Decrease window gap.
+.TP
+.B Mod1\-=
+Increase window gap.
+.TP
+.B Mod1\-Shift\-=
+Reset window gap to 0.
+.TP
 .B Mod1\-b
 Toggles bar on and off.
 .TP

dwm.c

@@ -138,6 +138,7 @@ 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];
@@ -230,6 +231,7 @@ 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);
@@ -775,6 +777,7 @@ 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);
@@ -1486,6 +1489,13 @@ 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->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);
@@ -1771,6 +1781,16 @@ 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)
 {
@@ -1954,28 +1974,37 @@ 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;
 		}
 }