updated gitignore

config.def.h

@@ -12,11 +12,18 @@ static const char col_gray2[]       = "#444444";
 static const char col_gray3[]       = "#bbbbbb";
 static const char col_gray4[]       = "#eeeeee";
 static const char col_cyan[]        = "#005577";
+static const unsigned int baralpha = 0xd0;
+static const unsigned int borderalpha = OPAQUE;
 static const char *colors[][3]      = {
 	/*               fg         bg         border   */
 	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
 	[SchemeSel]  = { col_gray4, col_cyan,  col_cyan  },
 };
+static const unsigned int alphas[][3]      = {
+	/*               fg      bg        border     */
+	[SchemeNorm] = { OPAQUE, baralpha, borderalpha },
+	[SchemeSel]  = { OPAQUE, baralpha, borderalpha },
+};
 
 /* tagging */
 static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };

config.mk

@@ -22,7 +22,7 @@ FREETYPEINC = /usr/include/freetype2
 
 # includes and libs
 INCS = -I${X11INC} -I${FREETYPEINC}
-LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
+LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lXrender
 
 # flags
 CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}

drw.c

@@ -61,7 +61,7 @@ utf8decode(const char *c, long *u, size_t clen)
 }
 
 Drw *
-drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h)
+drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h, Visual *visual, unsigned int depth, Colormap cmap)
 {
 	Drw *drw = ecalloc(1, sizeof(Drw));
 
@@ -70,8 +70,11 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
 	drw->root = root;
 	drw->w = w;
 	drw->h = h;
-	drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, screen));
-	drw->gc = XCreateGC(dpy, root, 0, NULL);
+	drw->visual = visual;
+	drw->depth = depth;
+	drw->cmap = cmap;
+	drw->drawable = XCreatePixmap(dpy, root, w, h, depth);
+	drw->gc = XCreateGC(dpy, drw->drawable, 0, NULL);
 	XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
 
 	return drw;
@@ -87,7 +90,7 @@ drw_resize(Drw *drw, unsigned int w, unsigned int h)
 	drw->h = h;
 	if (drw->drawable)
 		XFreePixmap(drw->dpy, drw->drawable);
-	drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(drw->dpy, drw->screen));
+	drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, drw->depth);
 }
 
 void
@@ -193,21 +196,22 @@ drw_fontset_free(Fnt *font)
 }
 
 void
-drw_clr_create(Drw *drw, Clr *dest, const char *clrname)
+drw_clr_create(Drw *drw, Clr *dest, const char *clrname, unsigned int alpha)
 {
 	if (!drw || !dest || !clrname)
 		return;
 
-	if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
-	                       DefaultColormap(drw->dpy, drw->screen),
+	if (!XftColorAllocName(drw->dpy, drw->visual, drw->cmap,
 	                       clrname, dest))
 		die("error, cannot allocate color '%s'", clrname);
+
+	dest->pixel = (dest->pixel & 0x00ffffffU) | (alpha << 24);
 }
 
 /* Wrapper to create color schemes. The caller has to call free(3) on the
  * returned color scheme when done using it. */
 Clr *
-drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
+drw_scm_create(Drw *drw, const char *clrnames[], const unsigned int alphas[], size_t clrcount)
 {
 	size_t i;
 	Clr *ret;
@@ -217,7 +221,7 @@ drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
 		return NULL;
 
 	for (i = 0; i < clrcount; i++)
-		drw_clr_create(drw, &ret[i], clrnames[i]);
+		drw_clr_create(drw, &ret[i], clrnames[i], alphas[i]);
 	return ret;
 }
 
@@ -273,9 +277,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
 	} else {
 		XSetForeground(drw->dpy, drw->gc, drw->scheme[invert ? ColFg : ColBg].pixel);
 		XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
-		d = XftDrawCreate(drw->dpy, drw->drawable,
-		                  DefaultVisual(drw->dpy, drw->screen),
-		                  DefaultColormap(drw->dpy, drw->screen));
+		d = XftDrawCreate(drw->dpy, drw->drawable, drw->visual, drw->cmap);
 		x += lpad;
 		w -= lpad;
 	}

drw.h

@@ -20,6 +20,9 @@ typedef struct {
 	Display *dpy;
 	int screen;
 	Window root;
+	Visual *visual;
+	unsigned int depth;
+	Colormap cmap;
 	Drawable drawable;
 	GC gc;
 	Clr *scheme;
@@ -27,7 +30,7 @@ typedef struct {
 } Drw;
 
 /* Drawable abstraction */
-Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h);
+Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h, Visual *visual, unsigned int depth, Colormap cmap);
 void drw_resize(Drw *drw, unsigned int w, unsigned int h);
 void drw_free(Drw *drw);
 
@@ -38,8 +41,8 @@ unsigned int drw_fontset_getwidth(Drw *drw, const char *text);
 void drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h);
 
 /* Colorscheme abstraction */
-void drw_clr_create(Drw *drw, Clr *dest, const char *clrname);
-Clr *drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount);
+void drw_clr_create(Drw *drw, Clr *dest, const char *clrname, unsigned int alpha);
+Clr *drw_scm_create(Drw *drw, const char *clrnames[], const unsigned int alphas[], size_t clrcount);
 
 /* Cursor abstraction */
 Cur *drw_cur_create(Drw *drw, int shape);

dwm-alpha-20180613-b69c870.diff

@@ -0,0 +1,289 @@
+From f699934b8c8a9c15988ad359bf8fedd6c55abd53 Mon Sep 17 00:00:00 2001
+From: Thomas Oltmann <thomas.oltmann.hhg@gmail.com>
+Date: Wed, 13 Jun 2018 19:46:26 +0200
+Subject: [PATCH] Allow dwm to have translucent bars, while keeping all the
+ text on it opaque, just like the alpha-patch for st. Updated for b69c870.
+
+---
+ config.def.h |  7 ++++++
+ config.mk    |  2 +-
+ drw.c        | 26 ++++++++++++-----------
+ drw.h        |  9 +++++---
+ dwm.c        | 60 ++++++++++++++++++++++++++++++++++++++++++++++------
+ 5 files changed, 82 insertions(+), 22 deletions(-)
+
+diff --git a/config.def.h b/config.def.h
+index 1c0b587..4f68fe8 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -12,11 +12,18 @@ static const char col_gray2[]       = "#444444";
+ static const char col_gray3[]       = "#bbbbbb";
+ static const char col_gray4[]       = "#eeeeee";
+ static const char col_cyan[]        = "#005577";
++static const unsigned int baralpha = 0xd0;
++static const unsigned int borderalpha = OPAQUE;
+ static const char *colors[][3]      = {
+ 	/*               fg         bg         border   */
+ 	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
+ 	[SchemeSel]  = { col_gray4, col_cyan,  col_cyan  },
+ };
++static const unsigned int alphas[][3]      = {
++	/*               fg      bg        border     */
++	[SchemeNorm] = { OPAQUE, baralpha, borderalpha },
++	[SchemeSel]  = { OPAQUE, baralpha, borderalpha },
++};
+ 
+ /* tagging */
+ static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
+diff --git a/config.mk b/config.mk
+index 25e2685..bef8de0 100644
+--- a/config.mk
++++ b/config.mk
+@@ -22,7 +22,7 @@ FREETYPEINC = /usr/include/freetype2
+ 
+ # includes and libs
+ INCS = -I${X11INC} -I${FREETYPEINC}
+-LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
++LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lXrender
+ 
+ # flags
+ CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
+diff --git a/drw.c b/drw.c
+index c638323..77fc113 100644
+--- a/drw.c
++++ b/drw.c
+@@ -61,7 +61,7 @@ utf8decode(const char *c, long *u, size_t clen)
+ }
+ 
+ Drw *
+-drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h)
++drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h, Visual *visual, unsigned int depth, Colormap cmap)
+ {
+ 	Drw *drw = ecalloc(1, sizeof(Drw));
+ 
+@@ -70,8 +70,11 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
+ 	drw->root = root;
+ 	drw->w = w;
+ 	drw->h = h;
+-	drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, screen));
+-	drw->gc = XCreateGC(dpy, root, 0, NULL);
++	drw->visual = visual;
++	drw->depth = depth;
++	drw->cmap = cmap;
++	drw->drawable = XCreatePixmap(dpy, root, w, h, depth);
++	drw->gc = XCreateGC(dpy, drw->drawable, 0, NULL);
+ 	XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
+ 
+ 	return drw;
+@@ -87,7 +90,7 @@ drw_resize(Drw *drw, unsigned int w, unsigned int h)
+ 	drw->h = h;
+ 	if (drw->drawable)
+ 		XFreePixmap(drw->dpy, drw->drawable);
+-	drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(drw->dpy, drw->screen));
++	drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, drw->depth);
+ }
+ 
+ void
+@@ -180,21 +183,22 @@ drw_fontset_free(Fnt *font)
+ }
+ 
+ void
+-drw_clr_create(Drw *drw, Clr *dest, const char *clrname)
++drw_clr_create(Drw *drw, Clr *dest, const char *clrname, unsigned int alpha)
+ {
+ 	if (!drw || !dest || !clrname)
+ 		return;
+ 
+-	if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
+-	                       DefaultColormap(drw->dpy, drw->screen),
++	if (!XftColorAllocName(drw->dpy, drw->visual, drw->cmap,
+ 	                       clrname, dest))
+ 		die("error, cannot allocate color '%s'", clrname);
++
++	dest->pixel = (dest->pixel & 0x00ffffffU) | (alpha << 24);
+ }
+ 
+ /* Wrapper to create color schemes. The caller has to call free(3) on the
+  * returned color scheme when done using it. */
+ Clr *
+-drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
++drw_scm_create(Drw *drw, const char *clrnames[], const unsigned int alphas[], size_t clrcount)
+ {
+ 	size_t i;
+ 	Clr *ret;
+@@ -204,7 +208,7 @@ drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
+ 		return NULL;
+ 
+ 	for (i = 0; i < clrcount; i++)
+-		drw_clr_create(drw, &ret[i], clrnames[i]);
++		drw_clr_create(drw, &ret[i], clrnames[i], alphas[i]);
+ 	return ret;
+ }
+ 
+@@ -260,9 +264,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
+ 	} else {
+ 		XSetForeground(drw->dpy, drw->gc, drw->scheme[invert ? ColFg : ColBg].pixel);
+ 		XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
+-		d = XftDrawCreate(drw->dpy, drw->drawable,
+-		                  DefaultVisual(drw->dpy, drw->screen),
+-		                  DefaultColormap(drw->dpy, drw->screen));
++		d = XftDrawCreate(drw->dpy, drw->drawable, drw->visual, drw->cmap);
+ 		x += lpad;
+ 		w -= lpad;
+ 	}
+diff --git a/drw.h b/drw.h
+index 4bcd5ad..a56f523 100644
+--- a/drw.h
++++ b/drw.h
+@@ -20,6 +20,9 @@ typedef struct {
+ 	Display *dpy;
+ 	int screen;
+ 	Window root;
++	Visual *visual;
++	unsigned int depth;
++	Colormap cmap;
+ 	Drawable drawable;
+ 	GC gc;
+ 	Clr *scheme;
+@@ -27,7 +30,7 @@ typedef struct {
+ } Drw;
+ 
+ /* Drawable abstraction */
+-Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h);
++Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h, Visual *visual, unsigned int depth, Colormap cmap);
+ void drw_resize(Drw *drw, unsigned int w, unsigned int h);
+ void drw_free(Drw *drw);
+ 
+@@ -38,8 +41,8 @@ unsigned int drw_fontset_getwidth(Drw *drw, const char *text);
+ void drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h);
+ 
+ /* Colorscheme abstraction */
+-void drw_clr_create(Drw *drw, Clr *dest, const char *clrname);
+-Clr *drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount);
++void drw_clr_create(Drw *drw, Clr *dest, const char *clrname, unsigned int alpha);
++Clr *drw_scm_create(Drw *drw, const char *clrnames[], const unsigned int alphas[], size_t clrcount);
+ 
+ /* Cursor abstraction */
+ Cur *drw_cur_create(Drw *drw, int shape);
+diff --git a/dwm.c b/dwm.c
+index 4465af1..20f8309 100644
+--- a/dwm.c
++++ b/dwm.c
+@@ -57,6 +57,8 @@
+ #define TAGMASK                 ((1 << LENGTH(tags)) - 1)
+ #define TEXTW(X)                (drw_fontset_getwidth(drw, (X)) + lrpad)
+ 
++#define OPAQUE                  0xffU
++
+ /* enums */
+ enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
+ enum { SchemeNorm, SchemeSel }; /* color schemes */
+@@ -232,6 +234,7 @@ static Monitor *wintomon(Window w);
+ static int xerror(Display *dpy, XErrorEvent *ee);
+ static int xerrordummy(Display *dpy, XErrorEvent *ee);
+ static int xerrorstart(Display *dpy, XErrorEvent *ee);
++static void xinitvisual();
+ static void zoom(const Arg *arg);
+ 
+ /* variables */
+@@ -268,6 +271,11 @@ static Drw *drw;
+ static Monitor *mons, *selmon;
+ static Window root, wmcheckwin;
+ 
++static int useargb = 0;
++static Visual *visual;
++static int depth;
++static Colormap cmap;
++
+ /* configuration, allows nested code to access above variables */
+ #include "config.h"
+ 
+@@ -1541,7 +1549,8 @@ setup(void)
+ 	sw = DisplayWidth(dpy, screen);
+ 	sh = DisplayHeight(dpy, screen);
+ 	root = RootWindow(dpy, screen);
+-	drw = drw_create(dpy, screen, root, sw, sh);
++	xinitvisual();
++	drw = drw_create(dpy, screen, root, sw, sh, visual, depth, cmap);
+ 	if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
+ 		die("no fonts could be loaded.");
+ 	lrpad = drw->fonts->h;
+@@ -1569,7 +1578,7 @@ setup(void)
+ 	/* init appearance */
+ 	scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
+ 	for (i = 0; i < LENGTH(colors); i++)
+-		scheme[i] = drw_scm_create(drw, colors[i], 3);
++		scheme[i] = drw_scm_create(drw, colors[i], alphas[i], 3);
+ 	/* init bars */
+ 	updatebars();
+ 	updatestatus();
+@@ -1804,16 +1813,18 @@ updatebars(void)
+ 	Monitor *m;
+ 	XSetWindowAttributes wa = {
+ 		.override_redirect = True,
+-		.background_pixmap = ParentRelative,
++		.background_pixel = 0,
++		.border_pixel = 0,
++		.colormap = cmap,
+ 		.event_mask = ButtonPressMask|ExposureMask
+ 	};
+ 	XClassHint ch = {"dwm", "dwm"};
+ 	for (m = mons; m; m = m->next) {
+ 		if (m->barwin)
+ 			continue;
+-		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
+-				CopyFromParent, DefaultVisual(dpy, screen),
+-				CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
++		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, depth,
++		                          InputOutput, visual,
++		                          CWOverrideRedirect|CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &wa);
+ 		XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
+ 		XMapRaised(dpy, m->barwin);
+ 		XSetClassHint(dpy, m->barwin, &ch);
+@@ -2110,6 +2121,43 @@ xerrorstart(Display *dpy, XErrorEvent *ee)
+ 	return -1;
+ }
+ 
++void
++xinitvisual()
++{
++	XVisualInfo *infos;
++	XRenderPictFormat *fmt;
++	int nitems;
++	int i;
++
++	XVisualInfo tpl = {
++		.screen = screen,
++		.depth = 32,
++		.class = TrueColor
++	};
++	long masks = VisualScreenMask | VisualDepthMask | VisualClassMask;
++
++	infos = XGetVisualInfo(dpy, masks, &tpl, &nitems);
++	visual = NULL;
++	for(i = 0; i < nitems; i ++) {
++		fmt = XRenderFindVisualFormat(dpy, infos[i].visual);
++		if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) {
++			visual = infos[i].visual;
++			depth = infos[i].depth;
++			cmap = XCreateColormap(dpy, root, visual, AllocNone);
++			useargb = 1;
++			break;
++		}
++	}
++
++	XFree(infos);
++
++	if (! visual) {
++		visual = DefaultVisual(dpy, screen);
++		depth = DefaultDepth(dpy, screen);
++		cmap = DefaultColormap(dpy, screen);
++	}
++}
++
+ void
+ zoom(const Arg *arg)
+ {
+-- 
+2.17.0
+

dwm-pertag-20170513-ceac8c9.diff

@@ -1,177 +0,0 @@
-diff --git a/dwm.c b/dwm.c
-index a5ce993..45f1e27 100644
---- a/dwm.c
-+++ b/dwm.c
-@@ -112,6 +112,7 @@ typedef struct {
- 	void (*arrange)(Monitor *);
- } Layout;
- 
-+typedef struct Pertag Pertag;
- struct Monitor {
- 	char ltsymbol[16];
- 	float mfact;
-@@ -131,6 +132,7 @@ struct Monitor {
- 	Monitor *next;
- 	Window barwin;
- 	const Layout *lt[2];
-+	Pertag *pertag;
- };
- 
- typedef struct {
-@@ -272,6 +274,15 @@ static Window root, wmcheckwin;
- /* configuration, allows nested code to access above variables */
- #include "config.h"
- 
-+struct Pertag {
-+	unsigned int curtag, prevtag; /* current and previous tag */
-+	int nmasters[LENGTH(tags) + 1]; /* number of windows in master area */
-+	float mfacts[LENGTH(tags) + 1]; /* mfacts per tag */
-+	unsigned int sellts[LENGTH(tags) + 1]; /* selected layouts */
-+	const Layout *ltidxs[LENGTH(tags) + 1][2]; /* matrix of tags and layouts indexes  */
-+	int showbars[LENGTH(tags) + 1]; /* display bar for the current tag */
-+};
-+
- /* compile-time check if all tags fit into an unsigned int bit array. */
- struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
- 
-@@ -632,6 +643,7 @@ Monitor *
- createmon(void)
- {
- 	Monitor *m;
-+	unsigned int i;
- 
- 	m = ecalloc(1, sizeof(Monitor));
- 	m->tagset[0] = m->tagset[1] = 1;
-@@ -642,6 +654,20 @@ createmon(void)
- 	m->lt[0] = &layouts[0];
- 	m->lt[1] = &layouts[1 % LENGTH(layouts)];
- 	strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
-+	m->pertag = ecalloc(1, sizeof(Pertag));
-+	m->pertag->curtag = m->pertag->prevtag = 1;
-+
-+	for (i = 0; i <= LENGTH(tags); i++) {
-+		m->pertag->nmasters[i] = m->nmaster;
-+		m->pertag->mfacts[i] = m->mfact;
-+
-+		m->pertag->ltidxs[i][0] = m->lt[0];
-+		m->pertag->ltidxs[i][1] = m->lt[1];
-+		m->pertag->sellts[i] = m->sellt;
-+
-+		m->pertag->showbars[i] = m->showbar;
-+	}
-+
- 	return m;
- }
- 
-@@ -968,7 +994,7 @@ grabkeys(void)
- void
- incnmaster(const Arg *arg)
- {
--	selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
-+	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag] = MAX(selmon->nmaster + arg->i, 0);
- 	arrange(selmon);
- }
- 
-@@ -1503,9 +1529,9 @@ void
- setlayout(const Arg *arg)
- {
- 	if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
--		selmon->sellt ^= 1;
-+		selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag] ^= 1;
- 	if (arg && arg->v)
--		selmon->lt[selmon->sellt] = (Layout *)arg->v;
-+		selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt] = (Layout *)arg->v;
- 	strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol);
- 	if (selmon->sel)
- 		arrange(selmon);
-@@ -1524,7 +1550,7 @@ setmfact(const Arg *arg)
- 	f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
- 	if (f < 0.1 || f > 0.9)
- 		return;
--	selmon->mfact = f;
-+	selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag] = f;
- 	arrange(selmon);
- }
- 
-@@ -1701,7 +1727,7 @@ tile(Monitor *m)
- void
- togglebar(const Arg *arg)
- {
--	selmon->showbar = !selmon->showbar;
-+	selmon->showbar = selmon->pertag->showbars[selmon->pertag->curtag] = !selmon->showbar;
- 	updatebarpos(selmon);
- 	XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
- 	arrange(selmon);
-@@ -1740,9 +1766,33 @@ void
- toggleview(const Arg *arg)
- {
- 	unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
-+	int i;
- 
- 	if (newtagset) {
- 		selmon->tagset[selmon->seltags] = newtagset;
-+
-+		if (newtagset == ~0) {
-+			selmon->pertag->prevtag = selmon->pertag->curtag;
-+			selmon->pertag->curtag = 0;
-+		}
-+
-+		/* test if the user did not select the same tag */
-+		if (!(newtagset & 1 << (selmon->pertag->curtag - 1))) {
-+			selmon->pertag->prevtag = selmon->pertag->curtag;
-+			for (i = 0; !(newtagset & 1 << i); i++) ;
-+			selmon->pertag->curtag = i + 1;
-+		}
-+
-+		/* apply settings for this view */
-+		selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag];
-+		selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag];
-+		selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag];
-+		selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt];
-+		selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1];
-+
-+		if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag])
-+			togglebar(NULL);
-+
- 		focus(NULL);
- 		arrange(selmon);
- 	}
-@@ -2036,11 +2086,37 @@ updatewmhints(Client *c)
- void
- view(const Arg *arg)
- {
-+	int i;
-+	unsigned int tmptag;
-+
- 	if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
- 		return;
- 	selmon->seltags ^= 1; /* toggle sel tagset */
--	if (arg->ui & TAGMASK)
-+	if (arg->ui & TAGMASK) {
- 		selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
-+		selmon->pertag->prevtag = selmon->pertag->curtag;
-+
-+		if (arg->ui == ~0)
-+			selmon->pertag->curtag = 0;
-+		else {
-+			for (i = 0; !(arg->ui & 1 << i); i++) ;
-+			selmon->pertag->curtag = i + 1;
-+		}
-+	} else {
-+		tmptag = selmon->pertag->prevtag;
-+		selmon->pertag->prevtag = selmon->pertag->curtag;
-+		selmon->pertag->curtag = tmptag;
-+	}
-+
-+	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag];
-+	selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag];
-+	selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag];
-+	selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt];
-+	selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1];
-+
-+	if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag])
-+		togglebar(NULL);
-+
- 	focus(NULL);
- 	arrange(selmon);
- }

dwm.c

@@ -57,6 +57,8 @@
 #define TAGMASK                 ((1 << LENGTH(tags)) - 1)
 #define TEXTW(X)                (drw_fontset_getwidth(drw, (X)) + lrpad)
 
+#define OPAQUE                  0xffU
+
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
 enum { SchemeNorm, SchemeSel }; /* color schemes */
@@ -111,7 +113,6 @@ typedef struct {
 	void (*arrange)(Monitor *);
 } Layout;
 
-typedef struct Pertag Pertag;
 struct Monitor {
 	char ltsymbol[16];
 	float mfact;
@@ -131,7 +132,6 @@ struct Monitor {
 	Monitor *next;
 	Window barwin;
 	const Layout *lt[2];
-	Pertag *pertag;
 };
 
 typedef struct {
@@ -234,6 +234,7 @@ static Monitor *wintomon(Window w);
 static int xerror(Display *dpy, XErrorEvent *ee);
 static int xerrordummy(Display *dpy, XErrorEvent *ee);
 static int xerrorstart(Display *dpy, XErrorEvent *ee);
+static void xinitvisual();
 static void zoom(const Arg *arg);
 
 /* variables */
@@ -270,18 +271,14 @@ static Drw *drw;
 static Monitor *mons, *selmon;
 static Window root, wmcheckwin;
 
+static int useargb = 0;
+static Visual *visual;
+static int depth;
+static Colormap cmap;
+
 /* configuration, allows nested code to access above variables */
 #include "config.h"
 
-struct Pertag {
-	unsigned int curtag, prevtag; /* current and previous tag */
-	int nmasters[LENGTH(tags) + 1]; /* number of windows in master area */
-	float mfacts[LENGTH(tags) + 1]; /* mfacts per tag */
-	unsigned int sellts[LENGTH(tags) + 1]; /* selected layouts */
-	const Layout *ltidxs[LENGTH(tags) + 1][2]; /* matrix of tags and layouts indexes  */
-	int showbars[LENGTH(tags) + 1]; /* display bar for the current tag */
-};
-
 /* compile-time check if all tags fit into an unsigned int bit array. */
 struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
 
@@ -642,7 +639,6 @@ Monitor *
 createmon(void)
 {
 	Monitor *m;
-	unsigned int i;
 
 	m = ecalloc(1, sizeof(Monitor));
 	m->tagset[0] = m->tagset[1] = 1;
@@ -653,20 +649,6 @@ createmon(void)
 	m->lt[0] = &layouts[0];
 	m->lt[1] = &layouts[1 % LENGTH(layouts)];
 	strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
-	m->pertag = ecalloc(1, sizeof(Pertag));
-	m->pertag->curtag = m->pertag->prevtag = 1;
-
-	for (i = 0; i <= LENGTH(tags); i++) {
-		m->pertag->nmasters[i] = m->nmaster;
-		m->pertag->mfacts[i] = m->mfact;
-
-		m->pertag->ltidxs[i][0] = m->lt[0];
-		m->pertag->ltidxs[i][1] = m->lt[1];
-		m->pertag->sellts[i] = m->sellt;
-
-		m->pertag->showbars[i] = m->showbar;
-	}
-
 	return m;
 }
 
@@ -992,7 +974,7 @@ grabkeys(void)
 void
 incnmaster(const Arg *arg)
 {
-	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag] = MAX(selmon->nmaster + arg->i, 0);
+	selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
 	arrange(selmon);
 }
 
@@ -1527,9 +1509,9 @@ void
 setlayout(const Arg *arg)
 {
 	if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
-		selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag] ^= 1;
+		selmon->sellt ^= 1;
 	if (arg && arg->v)
-		selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt] = (Layout *)arg->v;
+		selmon->lt[selmon->sellt] = (Layout *)arg->v;
 	strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol);
 	if (selmon->sel)
 		arrange(selmon);
@@ -1548,7 +1530,7 @@ setmfact(const Arg *arg)
 	f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
 	if (f < 0.1 || f > 0.9)
 		return;
-	selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag] = f;
+	selmon->mfact = f;
 	arrange(selmon);
 }
 
@@ -1567,7 +1549,8 @@ setup(void)
 	sw = DisplayWidth(dpy, screen);
 	sh = DisplayHeight(dpy, screen);
 	root = RootWindow(dpy, screen);
-	drw = drw_create(dpy, screen, root, sw, sh);
+	xinitvisual();
+	drw = drw_create(dpy, screen, root, sw, sh, visual, depth, cmap);
 	if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
 		die("no fonts could be loaded.");
 	lrpad = drw->fonts->h;
@@ -1595,7 +1578,7 @@ setup(void)
 	/* init appearance */
 	scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
 	for (i = 0; i < LENGTH(colors); i++)
-		scheme[i] = drw_scm_create(drw, colors[i], 3);
+		scheme[i] = drw_scm_create(drw, colors[i], alphas[i], 3);
 	/* init bars */
 	updatebars();
 	updatestatus();
@@ -1725,7 +1708,7 @@ tile(Monitor *m)
 void
 togglebar(const Arg *arg)
 {
-	selmon->showbar = selmon->pertag->showbars[selmon->pertag->curtag] = !selmon->showbar;
+	selmon->showbar = !selmon->showbar;
 	updatebarpos(selmon);
 	XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
 	arrange(selmon);
@@ -1764,33 +1747,9 @@ void
 toggleview(const Arg *arg)
 {
 	unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
-	int i;
 
 	if (newtagset) {
 		selmon->tagset[selmon->seltags] = newtagset;
-
-		if (newtagset == ~0) {
-			selmon->pertag->prevtag = selmon->pertag->curtag;
-			selmon->pertag->curtag = 0;
-		}
-
-		/* test if the user did not select the same tag */
-		if (!(newtagset & 1 << (selmon->pertag->curtag - 1))) {
-			selmon->pertag->prevtag = selmon->pertag->curtag;
-			for (i = 0; !(newtagset & 1 << i); i++) ;
-			selmon->pertag->curtag = i + 1;
-		}
-
-		/* apply settings for this view */
-		selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag];
-		selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag];
-		selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag];
-		selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt];
-		selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1];
-
-		if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag])
-			togglebar(NULL);
-
 		focus(NULL);
 		arrange(selmon);
 	}
@@ -1854,16 +1813,18 @@ updatebars(void)
 	Monitor *m;
 	XSetWindowAttributes wa = {
 		.override_redirect = True,
-		.background_pixmap = ParentRelative,
+		.background_pixel = 0,
+		.border_pixel = 0,
+		.colormap = cmap,
 		.event_mask = ButtonPressMask|ExposureMask
 	};
 	XClassHint ch = {"dwm", "dwm"};
 	for (m = mons; m; m = m->next) {
 		if (m->barwin)
 			continue;
-		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
-				CopyFromParent, DefaultVisual(dpy, screen),
-				CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
+		m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, depth,
+		                          InputOutput, visual,
+		                          CWOverrideRedirect|CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &wa);
 		XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
 		XMapRaised(dpy, m->barwin);
 		XSetClassHint(dpy, m->barwin, &ch);
@@ -2085,37 +2046,11 @@ updatewmhints(Client *c)
 void
 view(const Arg *arg)
 {
-	int i;
-	unsigned int tmptag;
-
 	if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
 		return;
 	selmon->seltags ^= 1; /* toggle sel tagset */
-	if (arg->ui & TAGMASK) {
+	if (arg->ui & TAGMASK)
 		selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
-		selmon->pertag->prevtag = selmon->pertag->curtag;
-
-		if (arg->ui == ~0)
-			selmon->pertag->curtag = 0;
-		else {
-			for (i = 0; !(arg->ui & 1 << i); i++) ;
-			selmon->pertag->curtag = i + 1;
-		}
-	} else {
-		tmptag = selmon->pertag->prevtag;
-		selmon->pertag->prevtag = selmon->pertag->curtag;
-		selmon->pertag->curtag = tmptag;
-	}
-
-	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag];
-	selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag];
-	selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag];
-	selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt];
-	selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1];
-
-	if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag])
-		togglebar(NULL);
-
 	focus(NULL);
 	arrange(selmon);
 }
@@ -2186,6 +2121,43 @@ xerrorstart(Display *dpy, XErrorEvent *ee)
 	return -1;
 }
 
+void
+xinitvisual()
+{
+	XVisualInfo *infos;
+	XRenderPictFormat *fmt;
+	int nitems;
+	int i;
+
+	XVisualInfo tpl = {
+		.screen = screen,
+		.depth = 32,
+		.class = TrueColor
+	};
+	long masks = VisualScreenMask | VisualDepthMask | VisualClassMask;
+
+	infos = XGetVisualInfo(dpy, masks, &tpl, &nitems);
+	visual = NULL;
+	for(i = 0; i < nitems; i ++) {
+		fmt = XRenderFindVisualFormat(dpy, infos[i].visual);
+		if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) {
+			visual = infos[i].visual;
+			depth = infos[i].depth;
+			cmap = XCreateColormap(dpy, root, visual, AllocNone);
+			useargb = 1;
+			break;
+		}
+	}
+
+	XFree(infos);
+
+	if (! visual) {
+		visual = DefaultVisual(dpy, screen);
+		depth = DefaultDepth(dpy, screen);
+		cmap = DefaultColormap(dpy, screen);
+	}
+}
+
 void
 zoom(const Arg *arg)
 {