dwm/patches/4-dwm-bartabgroups-20210802-138b405.diff

From 653c99b94cc780a2def9c7e50a87703156535f8b Mon Sep 17 00:00:00 2001
From: Jack Bird <jack.bird@durham.ac.uk>
Date: Mon, 2 Aug 2021 18:50:02 +0100
Subject: [PATCH] bartabgroups updated to work with 138b405

---
 config.def.h |  11 +++++
 dwm.c        | 112 ++++++++++++++++++++++++++++++++++++++++++++++-----
 2 files changed, 112 insertions(+), 11 deletions(-)

diff --git a/config.def.h b/config.def.h
index a2ac963..82accf1 100644
--- a/config.def.h
+++ b/config.def.h
@@ -16,6 +16,8 @@ static const char *colors[][3]      = {
 	/*               fg         bg         border   */
 	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
 	[SchemeSel]  = { col_gray4, col_cyan,  col_cyan  },
+	[SchemeTabActive]  = { col_gray2, col_gray3,  col_gray2 },
+	[SchemeTabInactive]  = { col_gray1, col_gray3,  col_gray1 }
 };
 
 /* tagging */
@@ -37,6 +39,15 @@ static const int nmaster     = 1;    /* number of clients in master area */
 static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
 static const int lockfullscreen = 1; /* 1 will force focus on the fullscreen window */
 
+/* Bartabgroups properties */
+#define BARTAB_BORDERS 1       // 0 = off, 1 = on
+#define BARTAB_BOTTOMBORDER 1  // 0 = off, 1 = on
+#define BARTAB_TAGSINDICATOR 1 // 0 = off, 1 = on if >1 client/view tag, 2 = always on
+#define BARTAB_TAGSPX 5        // # pixels for tag grid boxes
+#define BARTAB_TAGSROWS 3      // # rows in tag grid (9 tags, e.g. 3x3)
+static void (*bartabmonfns[])(Monitor *) = { monocle /* , customlayoutfn */ };
+static void (*bartabfloatfns[])(Monitor *) = { NULL /* , customlayoutfn */ };
+
 static const Layout layouts[] = {
 	/* symbol     arrange function */
 	{ "[]=",      tile },    /* first entry is default */
diff --git a/dwm.c b/dwm.c
index 5e4d494..1839a56 100644
--- a/dwm.c
+++ b/dwm.c
@@ -59,7 +59,7 @@
 
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
-enum { SchemeNorm, SchemeSel }; /* color schemes */
+enum { SchemeNorm, SchemeSel, SchemeTabActive, SchemeTabInactive }; /* color schemes */
 enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
        NetWMFullscreen, NetActiveWindow, NetWMWindowType,
        NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
@@ -378,6 +378,98 @@ applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact)
 	return *x != c->x || *y != c->y || *w != c->w || *h != c->h;
 }
 
+void
+bartabdraw(Monitor *m, Client *c, int unused, int x, int w, int groupactive) {
+	if (!c) return;
+	int i, nclienttags = 0, nviewtags = 0;
+
+	drw_setscheme(drw, scheme[
+		m->sel == c ? SchemeSel : (groupactive ? SchemeTabActive: SchemeTabInactive)
+	]);
+	drw_text(drw, x, 0, w, bh, lrpad / 2, c->name, 0);
+
+	// Floating win indicator
+	if (c->isfloating) drw_rect(drw, x + 2, 2, 5, 5, 0, 0);
+
+	// Optional borders between tabs
+	if (BARTAB_BORDERS) {
+		XSetForeground(drw->dpy, drw->gc, drw->scheme[ColBorder].pixel);
+		XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, 0, 1, bh);
+		XFillRectangle(drw->dpy, drw->drawable, drw->gc, x + w, 0, 1, bh);
+	}
+
+	// Optional tags icons
+	for (i = 0; i < LENGTH(tags); i++) {
+		if ((m->tagset[m->seltags] >> i) & 1) { nviewtags++; }
+		if ((c->tags >> i) & 1) { nclienttags++; }
+	}
+	if (BARTAB_TAGSINDICATOR == 2 || nclienttags > 1 || nviewtags > 1) {
+		for (i = 0; i < LENGTH(tags); i++) {
+			drw_rect(drw,
+				( x + w - 2 - ((LENGTH(tags) / BARTAB_TAGSROWS) * BARTAB_TAGSPX)
+					- (i % (LENGTH(tags)/BARTAB_TAGSROWS)) + ((i % (LENGTH(tags) / BARTAB_TAGSROWS)) * BARTAB_TAGSPX)
+				),
+				( 2 + ((i / (LENGTH(tags)/BARTAB_TAGSROWS)) * BARTAB_TAGSPX)
+					- ((i / (LENGTH(tags)/BARTAB_TAGSROWS)))
+				),
+				BARTAB_TAGSPX, BARTAB_TAGSPX, (c->tags >> i) & 1, 0
+			);
+		}
+	}
+}
+
+void
+battabclick(Monitor *m, Client *c, int passx, int x, int w, int unused) {
+	if (passx >= x && passx <= x + w) {
+		focus(c);
+		restack(selmon);
+	}
+}
+
+void
+bartabcalculate(
+	Monitor *m, int offx, int sw, int passx,
+	void(*tabfn)(Monitor *, Client *, int, int, int, int)
+) {
+	Client *c;
+	int
+		i, clientsnmaster = 0, clientsnstack = 0, clientsnfloating = 0,
+		masteractive = 0, fulllayout = 0, floatlayout = 0,
+		x, w, tgactive;
+
+	for (i = 0, c = m->clients; c; c = c->next) {
+		if (!ISVISIBLE(c)) continue;
+		if (c->isfloating) { clientsnfloating++; continue; }
+		if (m->sel == c) { masteractive = i < m->nmaster; }
+		if (i < m->nmaster) { clientsnmaster++; } else { clientsnstack++; }
+		i++;
+	}
+	for (i = 0; i < LENGTH(bartabfloatfns); i++) if (m ->lt[m->sellt]->arrange == bartabfloatfns[i]) { floatlayout = 1; break; }
+	for (i = 0; i < LENGTH(bartabmonfns); i++) if (m ->lt[m->sellt]->arrange == bartabmonfns[i]) { fulllayout = 1; break; }
+	for (c = m->clients, i = 0; c; c = c->next) {
+		if (!ISVISIBLE(c)) continue;
+		if (clientsnmaster + clientsnstack == 0 || floatlayout) {
+			 x = offx + (((m->mw - offx - sw) / (clientsnmaster + clientsnstack + clientsnfloating)) * i);
+			 w = (m->mw - offx - sw) / (clientsnmaster + clientsnstack + clientsnfloating);
+			 tgactive = 1;
+		} else if (!c->isfloating && (fulllayout || ((clientsnmaster == 0) ^ (clientsnstack == 0)))) {
+			 x = offx + (((m->mw - offx - sw) / (clientsnmaster + clientsnstack)) * i);
+			 w = (m->mw - offx - sw) / (clientsnmaster + clientsnstack);
+			 tgactive = 1;
+		} else if (i < m->nmaster && !c->isfloating) {
+			 x = offx + ((((m->mw * m->mfact) - offx) /clientsnmaster) * i);
+			 w = ((m->mw * m->mfact) - offx) / clientsnmaster;
+			 tgactive = masteractive;
+		} else if (!c->isfloating) {
+			 x = (m->mw * m->mfact) + ((((m->mw * (1 - m->mfact)) - sw) / clientsnstack) * (i - m->nmaster));
+			 w = ((m->mw * (1 - m->mfact)) - sw) / clientsnstack;
+			 tgactive = !masteractive;
+		} else continue;
+		tabfn(m, c, passx, x, w, tgactive);
+		i++;
+	}
+}
+
 void
 arrange(Monitor *m)
 {
@@ -442,8 +534,8 @@ buttonpress(XEvent *e)
 			click = ClkLtSymbol;
 		else if (ev->x > selmon->ww - (int)TEXTW(stext))
 			click = ClkStatusText;
-		else
-			click = ClkWinTitle;
+		else // Focus clicked tab bar item
+			bartabcalculate(selmon, x, TEXTW(stext) - lrpad + 2, ev->x, battabclick);
 	} else if ((c = wintoclient(ev->window))) {
 		focus(c);
 		restack(selmon);
@@ -729,15 +821,13 @@ drawbar(Monitor *m)
 	drw_setscheme(drw, scheme[SchemeNorm]);
 	x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
 
+	// Draw bartabgroups
+	drw_rect(drw, x, 0, m->ww - tw - x, bh, 1, 1);
 	if ((w = m->ww - tw - 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);
-		} else {
-			drw_setscheme(drw, scheme[SchemeNorm]);
-			drw_rect(drw, x, 0, w, bh, 1, 1);
+		bartabcalculate(m, x, tw, -1, bartabdraw);
+		if (BARTAB_BOTTOMBORDER) {
+			drw_setscheme(drw, scheme[SchemeTabActive]);
+			drw_rect(drw, 0, bh - 1, m->ww, 1, 1, 0);
 		}
 	}
 	drw_map(drw, m->barwin, 0, 0, m->ww, bh);
-- 
2.32.0