rice/dwm/patches/dwm-awesomebar-20200907-6.2.diff

diff --git a/config.def.h b/config.def.h
index 1c0b587..bb8f3f7 100644
--- a/config.def.h
+++ b/config.def.h
@@ -16,6 +16,7 @@ static const char *colors[][3]      = {
 	/*               fg         bg         border   */
 	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
 	[SchemeSel]  = { col_gray4, col_cyan,  col_cyan  },
+	[SchemeHid]  = { col_cyan,  col_gray1, col_cyan  },
 };
 
 /* tagging */
@@ -64,8 +65,10 @@ static Key keys[] = {
 	{ MODKEY,                       XK_p,      spawn,          {.v = dmenucmd } },
 	{ MODKEY|ShiftMask,             XK_Return, spawn,          {.v = termcmd } },
 	{ MODKEY,                       XK_b,      togglebar,      {0} },
-	{ MODKEY,                       XK_j,      focusstack,     {.i = +1 } },
-	{ MODKEY,                       XK_k,      focusstack,     {.i = -1 } },
+	{ MODKEY,                       XK_j,      focusstackvis,  {.i = +1 } },
+	{ MODKEY,                       XK_k,      focusstackvis,  {.i = -1 } },
+	{ MODKEY|ShiftMask,             XK_j,      focusstackhid,  {.i = +1 } },
+	{ MODKEY|ShiftMask,             XK_k,      focusstackhid,  {.i = -1 } },
 	{ MODKEY,                       XK_i,      incnmaster,     {.i = +1 } },
 	{ MODKEY,                       XK_d,      incnmaster,     {.i = -1 } },
 	{ MODKEY,                       XK_h,      setmfact,       {.f = -0.05} },
@@ -84,6 +87,8 @@ 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_s,      show,           {0} },
+	{ MODKEY,                       XK_h,      hide,           {0} },
 	TAGKEYS(                        XK_1,                      0)
 	TAGKEYS(                        XK_2,                      1)
 	TAGKEYS(                        XK_3,                      2)
@@ -102,6 +107,7 @@ static Button buttons[] = {
 	/* click                event mask      button          function        argument */
 	{ ClkLtSymbol,          0,              Button1,        setlayout,      {0} },
 	{ ClkLtSymbol,          0,              Button3,        setlayout,      {.v = &layouts[2]} },
+	{ ClkWinTitle,          0,              Button1,        togglewin,      {0} },
 	{ ClkWinTitle,          0,              Button2,        zoom,           {0} },
 	{ ClkStatusText,        0,              Button2,        spawn,          {.v = termcmd } },
 	{ ClkClientWin,         MODKEY,         Button1,        movemouse,      {0} },
diff --git a/dwm.c b/dwm.c
index 4465af1..e780189 100644
--- a/dwm.c
+++ b/dwm.c
@@ -50,6 +50,7 @@
 #define INTERSECT(x,y,w,h,m)    (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \
                                * MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
 #define ISVISIBLE(C)            ((C->tags & C->mon->tagset[C->mon->seltags]))
+#define HIDDEN(C)               ((getstate(C->win) == IconicState))
 #define LENGTH(X)               (sizeof X / sizeof X[0])
 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
 #define WIDTH(X)                ((X)->w + 2 * (X)->bw)
@@ -59,7 +60,7 @@
 
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
-enum { SchemeNorm, SchemeSel }; /* color schemes */
+enum { SchemeNorm, SchemeSel, SchemeHid }; /* color schemes */
 enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
        NetWMFullscreen, NetActiveWindow, NetWMWindowType,
        NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
@@ -117,6 +118,8 @@ struct Monitor {
 	int nmaster;
 	int num;
 	int by;               /* bar geometry */
+	int btw;              /* width of tasks portion of bar */
+	int bt;               /* number of tasks */
 	int mx, my, mw, mh;   /* screen size */
 	int wx, wy, ww, wh;   /* window area  */
 	unsigned int seltags;
@@ -124,6 +127,7 @@ struct Monitor {
 	unsigned int tagset[2];
 	int showbar;
 	int topbar;
+	int hidsel;
 	Client *clients;
 	Client *sel;
 	Client *stack;
@@ -168,12 +172,16 @@ static void expose(XEvent *e);
 static void focus(Client *c);
 static void focusin(XEvent *e);
 static void focusmon(const Arg *arg);
-static void focusstack(const Arg *arg);
+static void focusstackvis(const Arg *arg);
+static void focusstackhid(const Arg *arg);
+static void focusstack(int inc, int vis);
 static int getrootptr(int *x, int *y);
 static long getstate(Window w);
 static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
 static void grabbuttons(Client *c, int focused);
 static void grabkeys(void);
+static void hide(const Arg *arg);
+static void hidewin(Client *c);
 static void incnmaster(const Arg *arg);
 static void keypress(XEvent *e);
 static void killclient(const Arg *arg);
@@ -203,6 +211,8 @@ static void setlayout(const Arg *arg);
 static void setmfact(const Arg *arg);
 static void setup(void);
 static void seturgent(Client *c, int urg);
+static void show(const Arg *arg);
+static void showwin(Client *c);
 static void showhide(Client *c);
 static void sigchld(int unused);
 static void spawn(const Arg *arg);
@@ -213,6 +223,7 @@ 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 togglewin(const Arg *arg);
 static void unfocus(Client *c, int setfocus);
 static void unmanage(Client *c, int destroyed);
 static void unmapnotify(XEvent *e);
@@ -439,10 +450,25 @@ buttonpress(XEvent *e)
 			arg.ui = 1 << i;
 		} else if (ev->x < x + blw)
 			click = ClkLtSymbol;
-		else if (ev->x > selmon->ww - TEXTW(stext))
+		/* 2px right padding */
+		else if (ev->x > selmon->ww - TEXTW(stext) + lrpad - 2)
 			click = ClkStatusText;
-		else
-			click = ClkWinTitle;
+		else {
+			x += blw;
+			c = m->clients;
+
+			if (c) {
+				do {
+					if (!ISVISIBLE(c))
+						continue;
+					else
+						x += (1.0 / (double)m->bt) * m->btw;
+				} while (ev->x > x && (c = c->next));
+
+				click = ClkWinTitle;
+				arg.v = c;
+			}
+		}
 	} else if ((c = wintoclient(ev->window))) {
 		focus(c);
 		restack(selmon);
@@ -452,7 +478,7 @@ buttonpress(XEvent *e)
 	for (i = 0; i < LENGTH(buttons); i++)
 		if (click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button
 		&& CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
-			buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
+			buttons[i].func((click == ClkTagBar || click == ClkWinTitle) && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
 }
 
 void
@@ -695,7 +721,7 @@ dirtomon(int dir)
 void
 drawbar(Monitor *m)
 {
-	int x, w, sw = 0;
+	int x, w, sw = 0, n = 0, scm;
 	int boxs = drw->fonts->h / 9;
 	int boxw = drw->fonts->h / 6 + 2;
 	unsigned int i, occ = 0, urg = 0;
@@ -709,6 +735,8 @@ drawbar(Monitor *m)
 	}
 
 	for (c = m->clients; c; c = c->next) {
+		if (ISVISIBLE(c))
+			n++;
 		occ |= c->tags;
 		if (c->isurgent)
 			urg |= c->tags;
@@ -729,16 +757,37 @@ drawbar(Monitor *m)
 	x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
 
 	if ((w = m->ww - sw - x) > bh) {
-		if (m->sel) {
-			drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
-			drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
-			if (m->sel->isfloating)
-				drw_rect(drw, x + boxs, boxs, boxw, boxw, m->sel->isfixed, 0);
+		if (n > 0) {
+			int remainder = w % n;
+			int tabw = (1.0 / (double)n) * w + 1;
+			for (c = m->clients; c; c = c->next) {
+				if (!ISVISIBLE(c))
+					continue;
+				if (m->sel == c)
+					scm = SchemeSel;
+				else if (HIDDEN(c))
+					scm = SchemeHid;
+				else
+					scm = SchemeNorm;
+				drw_setscheme(drw, scheme[scm]);
+
+				if (remainder >= 0) {
+					if (remainder == 0) {
+						tabw--;
+					}
+					remainder--;
+				}
+				drw_text(drw, x, 0, tabw, bh, lrpad / 2, c->name, 0);
+				x += tabw;
+			}
 		} else {
 			drw_setscheme(drw, scheme[SchemeNorm]);
 			drw_rect(drw, x, 0, w, bh, 1, 1);
 		}
 	}
+
+	m->bt = n;
+	m->btw = w;
 	drw_map(drw, m->barwin, 0, 0, m->ww, bh);
 }
 
@@ -784,9 +833,17 @@ void
 focus(Client *c)
 {
 	if (!c || !ISVISIBLE(c))
-		for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext);
-	if (selmon->sel && selmon->sel != c)
+		for (c = selmon->stack; c && (!ISVISIBLE(c) || HIDDEN(c)); c = c->snext);
+	if (selmon->sel && selmon->sel != c) {
 		unfocus(selmon->sel, 0);
+
+		if (selmon->hidsel) {
+			hidewin(selmon->sel);
+			if (c)
+				arrange(c->mon);
+			selmon->hidsel = 0;
+		}
+	}
 	if (c) {
 		if (c->mon != selmon)
 			selmon = c->mon;
@@ -830,28 +887,57 @@ focusmon(const Arg *arg)
 }
 
 void
-focusstack(const Arg *arg)
+focusstackvis(const Arg *arg)
+{
+	focusstack(arg->i, 0);
+}
+
+void
+focusstackhid(const Arg *arg)
+{
+	focusstack(arg->i, 1);
+}
+
+void
+focusstack(int inc, int hid)
 {
 	Client *c = NULL, *i;
 
-	if (!selmon->sel)
+	if (!selmon->sel && !hid)
 		return;
-	if (arg->i > 0) {
-		for (c = selmon->sel->next; c && !ISVISIBLE(c); c = c->next);
+	if (!selmon->clients)
+		return;
+
+	if (inc > 0) {
+		if (selmon->sel)
+			for (c = selmon->sel->next;
+					 c && (!ISVISIBLE(c) || (!hid && HIDDEN(c)));
+					 c = c->next);
 		if (!c)
-			for (c = selmon->clients; c && !ISVISIBLE(c); c = c->next);
+			for (c = selmon->clients;
+					 c && (!ISVISIBLE(c) || (!hid && HIDDEN(c)));
+					 c = c->next);
 	} else {
-		for (i = selmon->clients; i != selmon->sel; i = i->next)
-			if (ISVISIBLE(i))
-				c = i;
+		if (selmon->sel) {
+			for (i = selmon->clients; i != selmon->sel; i = i->next)
+				if (ISVISIBLE(i) && !(!hid && HIDDEN(i)))
+					c = i;
+		} else
+			c = selmon->clients;
 		if (!c)
 			for (; i; i = i->next)
-				if (ISVISIBLE(i))
+				if (ISVISIBLE(i) && !(!hid && HIDDEN(i)))
 					c = i;
 	}
+
 	if (c) {
 		focus(c);
 		restack(selmon);
+
+		if (HIDDEN(c)) {
+			showwin(c);
+			c->mon->hidsel = 1;
+		}
 	}
 }
 
@@ -963,6 +1049,36 @@ grabkeys(void)
 	}
 }
 
+void
+hide(const Arg *arg)
+{
+	hidewin(selmon->sel);
+	focus(NULL);
+	arrange(selmon);
+}
+
+void
+hidewin(Client *c) {
+	if (!c || HIDDEN(c))
+		return;
+
+	Window w = c->win;
+	static XWindowAttributes ra, ca;
+
+	// more or less taken directly from blackbox's hide() function
+	XGrabServer(dpy);
+	XGetWindowAttributes(dpy, root, &ra);
+	XGetWindowAttributes(dpy, w, &ca);
+	// prevent UnmapNotify events
+	XSelectInput(dpy, root, ra.your_event_mask & ~SubstructureNotifyMask);
+	XSelectInput(dpy, w, ca.your_event_mask & ~StructureNotifyMask);
+	XUnmapWindow(dpy, w);
+	setclientstate(c, IconicState);
+	XSelectInput(dpy, root, ra.your_event_mask);
+	XSelectInput(dpy, w, ca.your_event_mask);
+	XUngrabServer(dpy);
+}
+
 void
 incnmaster(const Arg *arg)
 {
@@ -1067,12 +1183,14 @@ manage(Window w, XWindowAttributes *wa)
 	XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
 		(unsigned char *) &(c->win), 1);
 	XMoveResizeWindow(dpy, c->win, c->x + 2 * sw, c->y, c->w, c->h); /* some windows require this */
-	setclientstate(c, NormalState);
+	if (!HIDDEN(c))
+		setclientstate(c, NormalState);
 	if (c->mon == selmon)
 		unfocus(selmon->sel, 0);
 	c->mon->sel = c;
 	arrange(c->mon);
-	XMapWindow(dpy, c->win);
+	if (!HIDDEN(c))
+		XMapWindow(dpy, c->win);
 	focus(NULL);
 }
 
@@ -1195,7 +1313,7 @@ movemouse(const Arg *arg)
 Client *
 nexttiled(Client *c)
 {
-	for (; c && (c->isfloating || !ISVISIBLE(c)); c = c->next);
+	for (; c && (c->isfloating || !ISVISIBLE(c) || HIDDEN(c)); c = c->next);
 	return c;
 }
 
@@ -1248,6 +1366,16 @@ propertynotify(XEvent *e)
 void
 quit(const Arg *arg)
 {
+	// fix: reloading dwm keeps all the hidden clients hidden
+	Monitor *m;
+	Client *c;
+	for (m = mons; m; m = m->next) {
+		if (m) {
+			for (c = m->stack; c; c = c->next)
+				if (c && HIDDEN(c)) showwin(c);
+		}
+	}
+
 	running = 0;
 }
 
@@ -1610,6 +1738,25 @@ seturgent(Client *c, int urg)
 	XFree(wmh);
 }
 
+void
+show(const Arg *arg)
+{
+	if (selmon->hidsel)
+		selmon->hidsel = 0;
+	showwin(selmon->sel);
+}
+
+void
+showwin(Client *c)
+{
+	if (!c || !HIDDEN(c))
+		return;
+
+	XMapWindow(dpy, c->win);
+	setclientstate(c, NormalState);
+	arrange(c->mon);
+}
+
 void
 showhide(Client *c)
 {
@@ -1746,6 +1893,23 @@ toggleview(const Arg *arg)
 	}
 }
 
+void
+togglewin(const Arg *arg)
+{
+	Client *c = (Client*)arg->v;
+
+	if (c == selmon->sel) {
+		hidewin(c);
+		focus(NULL);
+		arrange(c->mon);
+	} else {
+		if (HIDDEN(c))
+			showwin(c);
+		focus(c);
+		restack(selmon);
+	}
+}
+
 void
 unfocus(Client *c, int setfocus)
 {