Cleaned up the repository and patched boxdraw successfully.0.9-Mainline

Changes to be committed:
	modified:   Makefile
	new file:   Makefile.orig
	deleted:    boxdraw.c
	deleted:    boxdraw_data.h
	modified:   config.def.h.orig
	deleted:    config.def.h.rej
	modified:   st.c
	modified:   st.c.orig
	deleted:    st.c.rej
	modified:   st.h
        modified:   st.h.orig
        deleted:    st.h.rej
	deleted:    st.o
	modified:   x.c
	modified:   x.c.orig
	deleted:    x.o

16 files changed, 200 insertions, 588 deletions

diff --git a/Makefile b/Makefile
index 6dfa212..470ac86 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
 
 include config.mk
 
-SRC = st.c x.c boxdraw.c
+SRC = st.c x.c
 OBJ = $(SRC:.c=.o)
 
 all: options st
@@ -23,7 +23,6 @@ config.h:
 
 st.o: config.h st.h win.h
 x.o: arg.h config.h st.h win.h
-boxdraw.o: config.h st.h boxdraw_data.h
 
 $(OBJ): config.h config.mk
 
diff --git a/Makefile.orig b/Makefile.orig
new file mode 100644
index 0000000..6dfa212
--- /dev/null
+++ b/Makefile.orig
@@ -0,0 +1,58 @@
+# st - simple terminal
+# See LICENSE file for copyright and license details.
+.POSIX:
+
+include config.mk
+
+SRC = st.c x.c boxdraw.c
+OBJ = $(SRC:.c=.o)
+
+all: options st
+
+options:
+	@echo st build options:
+	@echo "CFLAGS  = $(STCFLAGS)"
+	@echo "LDFLAGS = $(STLDFLAGS)"
+	@echo "CC      = $(CC)"
+
+config.h:
+	cp config.def.h config.h
+
+.c.o:
+	$(CC) $(STCFLAGS) -c $<
+
+st.o: config.h st.h win.h
+x.o: arg.h config.h st.h win.h
+boxdraw.o: config.h st.h boxdraw_data.h
+
+$(OBJ): config.h config.mk
+
+st: $(OBJ)
+	$(CC) -o $@ $(OBJ) $(STLDFLAGS)
+
+clean:
+	rm -f st $(OBJ) st-$(VERSION).tar.gz
+
+dist: clean
+	mkdir -p st-$(VERSION)
+	cp -R FAQ LEGACY TODO LICENSE Makefile README config.mk\
+		config.def.h st.info st.1 arg.h st.h win.h $(SRC)\
+		st-$(VERSION)
+	tar -cf - st-$(VERSION) | gzip > st-$(VERSION).tar.gz
+	rm -rf st-$(VERSION)
+
+install: st
+	mkdir -p $(DESTDIR)$(PREFIX)/bin
+	cp -f st $(DESTDIR)$(PREFIX)/bin
+	chmod 755 $(DESTDIR)$(PREFIX)/bin/st
+	mkdir -p $(DESTDIR)$(MANPREFIX)/man1
+	sed "s/VERSION/$(VERSION)/g" < st.1 > $(DESTDIR)$(MANPREFIX)/man1/st.1
+	chmod 644 $(DESTDIR)$(MANPREFIX)/man1/st.1
+	tic -sx st.info
+	@echo Please see the README file regarding the terminfo entry of st.
+
+uninstall:
+	rm -f $(DESTDIR)$(PREFIX)/bin/st
+	rm -f $(DESTDIR)$(MANPREFIX)/man1/st.1
+
+.PHONY: all options clean dist install uninstall
diff --git a/boxdraw.c b/boxdraw.c
deleted file mode 100644
index 28a92d0..0000000
--- a/boxdraw.c
+++ /dev/null
@@ -1,194 +0,0 @@
-/*
- * Copyright 2018 Avi Halachmi (:avih) avihpit@yahoo.com https://github.com/avih
- * MIT/X Consortium License
- */
-
-#include <X11/Xft/Xft.h>
-#include "st.h"
-#include "boxdraw_data.h"
-
-/* Rounded non-negative integers division of n / d  */
-#define DIV(n, d) (((n) + (d) / 2) / (d))
-
-static Display *xdpy;
-static Colormap xcmap;
-static XftDraw *xd;
-static Visual *xvis;
-
-static void drawbox(int, int, int, int, XftColor *, XftColor *, ushort);
-static void drawboxlines(int, int, int, int, XftColor *, ushort);
-
-/* public API */
-
-void
-boxdraw_xinit(Display *dpy, Colormap cmap, XftDraw *draw, Visual *vis)
-{
-	xdpy = dpy; xcmap = cmap; xd = draw, xvis = vis;
-}
-
-int
-isboxdraw(Rune u)
-{
-	Rune block = u & ~0xff;
-	return (boxdraw && block == 0x2500 && boxdata[(uint8_t)u]) ||
-	       (boxdraw_braille && block == 0x2800);
-}
-
-/* the "index" is actually the entire shape data encoded as ushort */
-ushort
-boxdrawindex(const Glyph *g)
-{
-	if (boxdraw_braille && (g->u & ~0xff) == 0x2800)
-		return BRL | (uint8_t)g->u;
-	if (boxdraw_bold && (g->mode & ATTR_BOLD))
-		return BDB | boxdata[(uint8_t)g->u];
-	return boxdata[(uint8_t)g->u];
-}
-
-void
-drawboxes(int x, int y, int cw, int ch, XftColor *fg, XftColor *bg,
-          const XftGlyphFontSpec *specs, int len)
-{
-	for ( ; len-- > 0; x += cw, specs++)
-		drawbox(x, y, cw, ch, fg, bg, (ushort)specs->glyph);
-}
-
-/* implementation */
-
-void
-drawbox(int x, int y, int w, int h, XftColor *fg, XftColor *bg, ushort bd)
-{
-	ushort cat = bd & ~(BDB | 0xff);  /* mask out bold and data */
-	if (bd & (BDL | BDA)) {
-		/* lines (light/double/heavy/arcs) */
-		drawboxlines(x, y, w, h, fg, bd);
-
-	} else if (cat == BBD) {
-		/* lower (8-X)/8 block */
-		int d = DIV((uint8_t)bd * h, 8);
-		XftDrawRect(xd, fg, x, y + d, w, h - d);
-
-	} else if (cat == BBU) {
-		/* upper X/8 block */
-		XftDrawRect(xd, fg, x, y, w, DIV((uint8_t)bd * h, 8));
-
-	} else if (cat == BBL) {
-		/* left X/8 block */
-		XftDrawRect(xd, fg, x, y, DIV((uint8_t)bd * w, 8), h);
-
-	} else if (cat == BBR) {
-		/* right (8-X)/8 block */
-		int d = DIV((uint8_t)bd * w, 8);
-		XftDrawRect(xd, fg, x + d, y, w - d, h);
-
-	} else if (cat == BBQ) {
-		/* Quadrants */
-		int w2 = DIV(w, 2), h2 = DIV(h, 2);
-		if (bd & TL)
-			XftDrawRect(xd, fg, x, y, w2, h2);
-		if (bd & TR)
-			XftDrawRect(xd, fg, x + w2, y, w - w2, h2);
-		if (bd & BL)
-			XftDrawRect(xd, fg, x, y + h2, w2, h - h2);
-		if (bd & BR)
-			XftDrawRect(xd, fg, x + w2, y + h2, w - w2, h - h2);
-
-	} else if (bd & BBS) {
-		/* Shades - data is 1/2/3 for 25%/50%/75% alpha, respectively */
-		int d = (uint8_t)bd;
-		XftColor xfc;
-		XRenderColor xrc = { .alpha = 0xffff };
-
-		xrc.red = DIV(fg->color.red * d + bg->color.red * (4 - d), 4);
-		xrc.green = DIV(fg->color.green * d + bg->color.green * (4 - d), 4);
-		xrc.blue = DIV(fg->color.blue * d + bg->color.blue * (4 - d), 4);
-
-		XftColorAllocValue(xdpy, xvis, xcmap, &xrc, &xfc);
-		XftDrawRect(xd, &xfc, x, y, w, h);
-		XftColorFree(xdpy, xvis, xcmap, &xfc);
-
-	} else if (cat == BRL) {
-		/* braille, each data bit corresponds to one dot at 2x4 grid */
-		int w1 = DIV(w, 2);
-		int h1 = DIV(h, 4), h2 = DIV(h, 2), h3 = DIV(3 * h, 4);
-
-		if (bd & 1)   XftDrawRect(xd, fg, x, y, w1, h1);
-		if (bd & 2)   XftDrawRect(xd, fg, x, y + h1, w1, h2 - h1);
-		if (bd & 4)   XftDrawRect(xd, fg, x, y + h2, w1, h3 - h2);
-		if (bd & 8)   XftDrawRect(xd, fg, x + w1, y, w - w1, h1);
-		if (bd & 16)  XftDrawRect(xd, fg, x + w1, y + h1, w - w1, h2 - h1);
-		if (bd & 32)  XftDrawRect(xd, fg, x + w1, y + h2, w - w1, h3 - h2);
-		if (bd & 64)  XftDrawRect(xd, fg, x, y + h3, w1, h - h3);
-		if (bd & 128) XftDrawRect(xd, fg, x + w1, y + h3, w - w1, h - h3);
-
-	}
-}
-
-void
-drawboxlines(int x, int y, int w, int h, XftColor *fg, ushort bd)
-{
-	/* s: stem thickness. width/8 roughly matches underscore thickness. */
-	/* We draw bold as 1.5 * normal-stem and at least 1px thicker.      */
-	/* doubles draw at least 3px, even when w or h < 3. bold needs 6px. */
-	int mwh = MIN(w, h);
-	int base_s = MAX(1, DIV(mwh, 8));
-	int bold = (bd & BDB) && mwh >= 6;  /* possibly ignore boldness */
-	int s = bold ? MAX(base_s + 1, DIV(3 * base_s, 2)) : base_s;
-	int w2 = DIV(w - s, 2), h2 = DIV(h - s, 2);
-	/* the s-by-s square (x + w2, y + h2, s, s) is the center texel.    */
-	/* The base length (per direction till edge) includes this square.  */
-
-	int light = bd & (LL | LU | LR | LD);
-	int double_ = bd & (DL | DU | DR | DD);
-
-	if (light) {
-		/* d: additional (negative) length to not-draw the center   */
-		/* texel - at arcs and avoid drawing inside (some) doubles  */
-		int arc = bd & BDA;
-		int multi_light = light & (light - 1);
-		int multi_double = double_ & (double_ - 1);
-		/* light crosses double only at DH+LV, DV+LH (ref. shapes)  */
-		int d = arc || (multi_double && !multi_light) ? -s : 0;
-
-		if (bd & LL)
-			XftDrawRect(xd, fg, x, y + h2, w2 + s + d, s);
-		if (bd & LU)
-			XftDrawRect(xd, fg, x + w2, y, s, h2 + s + d);
-		if (bd & LR)
-			XftDrawRect(xd, fg, x + w2 - d, y + h2, w - w2 + d, s);
-		if (bd & LD)
-			XftDrawRect(xd, fg, x + w2, y + h2 - d, s, h - h2 + d);
-	}
-
-	/* double lines - also align with light to form heavy when combined */
-	if (double_) {
-		/*
-		* going clockwise, for each double-ray: p is additional length
-		* to the single-ray nearer to the previous direction, and n to
-		* the next. p and n adjust from the base length to lengths
-		* which consider other doubles - shorter to avoid intersections
-		* (p, n), or longer to draw the far-corner texel (n).
-		*/
-		int dl = bd & DL, du = bd & DU, dr = bd & DR, dd = bd & DD;
-		if (dl) {
-			int p = dd ? -s : 0, n = du ? -s : dd ? s : 0;
-			XftDrawRect(xd, fg, x, y + h2 + s, w2 + s + p, s);
-			XftDrawRect(xd, fg, x, y + h2 - s, w2 + s + n, s);
-		}
-		if (du) {
-			int p = dl ? -s : 0, n = dr ? -s : dl ? s : 0;
-			XftDrawRect(xd, fg, x + w2 - s, y, s, h2 + s + p);
-			XftDrawRect(xd, fg, x + w2 + s, y, s, h2 + s + n);
-		}
-		if (dr) {
-			int p = du ? -s : 0, n = dd ? -s : du ? s : 0;
-			XftDrawRect(xd, fg, x + w2 - p, y + h2 - s, w - w2 + p, s);
-			XftDrawRect(xd, fg, x + w2 - n, y + h2 + s, w - w2 + n, s);
-		}
-		if (dd) {
-			int p = dr ? -s : 0, n = dl ? -s : dr ? s : 0;
-			XftDrawRect(xd, fg, x + w2 + s, y + h2 - p, s, h - h2 + p);
-			XftDrawRect(xd, fg, x + w2 - s, y + h2 - n, s, h - h2 + n);
-		}
-	}
-}
diff --git a/boxdraw_data.h b/boxdraw_data.h
deleted file mode 100644
index 7890500..0000000
--- a/boxdraw_data.h
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- * Copyright 2018 Avi Halachmi (:avih) avihpit@yahoo.com https://github.com/avih
- * MIT/X Consortium License
- */
-
-/*
- * U+25XX codepoints data
- *
- * References:
- *   http://www.unicode.org/charts/PDF/U2500.pdf
- *   http://www.unicode.org/charts/PDF/U2580.pdf
- *
- * Test page:
- *   https://github.com/GNOME/vte/blob/master/doc/boxes.txt
- */
-
-/* Each shape is encoded as 16-bits. Higher bits are category, lower are data */
-/* Categories (mutually exclusive except BDB): */
-/* For convenience, BDL/BDA/BBS/BDB are 1 bit each, the rest are enums */
-#define BDL (1<<8)   /* Box Draw Lines (light/double/heavy) */
-#define BDA (1<<9)   /* Box Draw Arc (light) */
-
-#define BBD (1<<10)  /* Box Block Down (lower) X/8 */
-#define BBL (2<<10)  /* Box Block Left X/8 */
-#define BBU (3<<10)  /* Box Block Upper X/8 */
-#define BBR (4<<10)  /* Box Block Right X/8 */
-#define BBQ (5<<10)  /* Box Block Quadrants */
-#define BRL (6<<10)  /* Box Braille (data is lower byte of U28XX) */
-
-#define BBS (1<<14)  /* Box Block Shades */
-#define BDB (1<<15)  /* Box Draw is Bold */
-
-/* (BDL/BDA) Light/Double/Heavy x Left/Up/Right/Down/Horizontal/Vertical      */
-/* Heavy is light+double (literally drawing light+double align to form heavy) */
-#define LL (1<<0)
-#define LU (1<<1)
-#define LR (1<<2)
-#define LD (1<<3)
-#define LH (LL+LR)
-#define LV (LU+LD)
-
-#define DL (1<<4)
-#define DU (1<<5)
-#define DR (1<<6)
-#define DD (1<<7)
-#define DH (DL+DR)
-#define DV (DU+DD)
-
-#define HL (LL+DL)
-#define HU (LU+DU)
-#define HR (LR+DR)
-#define HD (LD+DD)
-#define HH (HL+HR)
-#define HV (HU+HD)
-
-/* (BBQ) Quadrants Top/Bottom x Left/Right */
-#define TL (1<<0)
-#define TR (1<<1)
-#define BL (1<<2)
-#define BR (1<<3)
-
-/* Data for U+2500 - U+259F except dashes/diagonals */
-static const unsigned short boxdata[256] = {
-	/* light lines */
-	[0x00] = BDL + LH,       /* light horizontal */
-	[0x02] = BDL + LV,       /* light vertical */
-	[0x0c] = BDL + LD + LR,  /* light down and right */
-	[0x10] = BDL + LD + LL,  /* light down and left */
-	[0x14] = BDL + LU + LR,  /* light up and right */
-	[0x18] = BDL + LU + LL,  /* light up and left */
-	[0x1c] = BDL + LV + LR,  /* light vertical and right */
-	[0x24] = BDL + LV + LL,  /* light vertical and left */
-	[0x2c] = BDL + LH + LD,  /* light horizontal and down */
-	[0x34] = BDL + LH + LU,  /* light horizontal and up */
-	[0x3c] = BDL + LV + LH,  /* light vertical and horizontal */
-	[0x74] = BDL + LL,       /* light left */
-	[0x75] = BDL + LU,       /* light up */
-	[0x76] = BDL + LR,       /* light right */
-	[0x77] = BDL + LD,       /* light down */
-
-	/* heavy [+light] lines */
-	[0x01] = BDL + HH,
-	[0x03] = BDL + HV,
-	[0x0d] = BDL + HR + LD,
-	[0x0e] = BDL + HD + LR,
-	[0x0f] = BDL + HD + HR,
-	[0x11] = BDL + HL + LD,
-	[0x12] = BDL + HD + LL,
-	[0x13] = BDL + HD + HL,
-	[0x15] = BDL + HR + LU,
-	[0x16] = BDL + HU + LR,
-	[0x17] = BDL + HU + HR,
-	[0x19] = BDL + HL + LU,
-	[0x1a] = BDL + HU + LL,
-	[0x1b] = BDL + HU + HL,
-	[0x1d] = BDL + HR + LV,
-	[0x1e] = BDL + HU + LD + LR,
-	[0x1f] = BDL + HD + LR + LU,
-	[0x20] = BDL + HV + LR,
-	[0x21] = BDL + HU + HR + LD,
-	[0x22] = BDL + HD + HR + LU,
-	[0x23] = BDL + HV + HR,
-	[0x25] = BDL + HL + LV,
-	[0x26] = BDL + HU + LD + LL,
-	[0x27] = BDL + HD + LU + LL,
-	[0x28] = BDL + HV + LL,
-	[0x29] = BDL + HU + HL + LD,
-	[0x2a] = BDL + HD + HL + LU,
-	[0x2b] = BDL + HV + HL,
-	[0x2d] = BDL + HL + LD + LR,
-	[0x2e] = BDL + HR + LL + LD,
-	[0x2f] = BDL + HH + LD,
-	[0x30] = BDL + HD + LH,
-	[0x31] = BDL + HD + HL + LR,
-	[0x32] = BDL + HR + HD + LL,
-	[0x33] = BDL + HH + HD,
-	[0x35] = BDL + HL + LU + LR,
-	[0x36] = BDL + HR + LU + LL,
-	[0x37] = BDL + HH + LU,
-	[0x38] = BDL + HU + LH,
-	[0x39] = BDL + HU + HL + LR,
-	[0x3a] = BDL + HU + HR + LL,
-	[0x3b] = BDL + HH + HU,
-	[0x3d] = BDL + HL + LV + LR,
-	[0x3e] = BDL + HR + LV + LL,
-	[0x3f] = BDL + HH + LV,
-	[0x40] = BDL + HU + LH + LD,
-	[0x41] = BDL + HD + LH + LU,
-	[0x42] = BDL + HV + LH,
-	[0x43] = BDL + HU + HL + LD + LR,
-	[0x44] = BDL + HU + HR + LD + LL,
-	[0x45] = BDL + HD + HL + LU + LR,
-	[0x46] = BDL + HD + HR + LU + LL,
-	[0x47] = BDL + HH + HU + LD,
-	[0x48] = BDL + HH + HD + LU,
-	[0x49] = BDL + HV + HL + LR,
-	[0x4a] = BDL + HV + HR + LL,
-	[0x4b] = BDL + HV + HH,
-	[0x78] = BDL + HL,
-	[0x79] = BDL + HU,
-	[0x7a] = BDL + HR,
-	[0x7b] = BDL + HD,
-	[0x7c] = BDL + HR + LL,
-	[0x7d] = BDL + HD + LU,
-	[0x7e] = BDL + HL + LR,
-	[0x7f] = BDL + HU + LD,
-
-	/* double [+light] lines */
-	[0x50] = BDL + DH,
-	[0x51] = BDL + DV,
-	[0x52] = BDL + DR + LD,
-	[0x53] = BDL + DD + LR,
-	[0x54] = BDL + DR + DD,
-	[0x55] = BDL + DL + LD,
-	[0x56] = BDL + DD + LL,
-	[0x57] = BDL + DL + DD,
-	[0x58] = BDL + DR + LU,
-	[0x59] = BDL + DU + LR,
-	[0x5a] = BDL + DU + DR,
-	[0x5b] = BDL + DL + LU,
-	[0x5c] = BDL + DU + LL,
-	[0x5d] = BDL + DL + DU,
-	[0x5e] = BDL + DR + LV,
-	[0x5f] = BDL + DV + LR,
-	[0x60] = BDL + DV + DR,
-	[0x61] = BDL + DL + LV,
-	[0x62] = BDL + DV + LL,
-	[0x63] = BDL + DV + DL,
-	[0x64] = BDL + DH + LD,
-	[0x65] = BDL + DD + LH,
-	[0x66] = BDL + DD + DH,
-	[0x67] = BDL + DH + LU,
-	[0x68] = BDL + DU + LH,
-	[0x69] = BDL + DH + DU,
-	[0x6a] = BDL + DH + LV,
-	[0x6b] = BDL + DV + LH,
-	[0x6c] = BDL + DH + DV,
-
-	/* (light) arcs */
-	[0x6d] = BDA + LD + LR,
-	[0x6e] = BDA + LD + LL,
-	[0x6f] = BDA + LU + LL,
-	[0x70] = BDA + LU + LR,
-
-	/* Lower (Down) X/8 block (data is 8 - X) */
-	[0x81] = BBD + 7, [0x82] = BBD + 6, [0x83] = BBD + 5, [0x84] = BBD + 4,
-	[0x85] = BBD + 3, [0x86] = BBD + 2, [0x87] = BBD + 1, [0x88] = BBD + 0,
-
-	/* Left X/8 block (data is X) */
-	[0x89] = BBL + 7, [0x8a] = BBL + 6, [0x8b] = BBL + 5, [0x8c] = BBL + 4,
-	[0x8d] = BBL + 3, [0x8e] = BBL + 2, [0x8f] = BBL + 1,
-
-	/* upper 1/2 (4/8), 1/8 block (X), right 1/2, 1/8 block (8-X) */
-	[0x80] = BBU + 4, [0x94] = BBU + 1,
-	[0x90] = BBR + 4, [0x95] = BBR + 7,
-
-	/* Quadrants */
-	[0x96] = BBQ + BL,
-	[0x97] = BBQ + BR,
-	[0x98] = BBQ + TL,
-	[0x99] = BBQ + TL + BL + BR,
-	[0x9a] = BBQ + TL + BR,
-	[0x9b] = BBQ + TL + TR + BL,
-	[0x9c] = BBQ + TL + TR + BR,
-	[0x9d] = BBQ + TR,
-	[0x9e] = BBQ + BL + TR,
-	[0x9f] = BBQ + BL + TR + BR,
-
-	/* Shades, data is an alpha value in 25% units (1/4, 1/2, 3/4) */
-	[0x91] = BBS + 1, [0x92] = BBS + 2, [0x93] = BBS + 3,
-
-	/* U+2504 - U+250B, U+254C - U+254F: unsupported (dashes) */
-	/* U+2571 - U+2573: unsupported (diagonals) */
-};
diff --git a/config.def.h.orig b/config.def.h.orig
index 01bf7eb..6d0bb14 100644
--- a/config.def.h.orig
+++ b/config.def.h.orig
@@ -111,6 +111,9 @@ char *termname = "st-256color";
  */
 unsigned int tabspaces = 8;
 
+/* bg opacity */
+float alpha = 0.8;
+
 /* Terminal colors (16 first used in escape sequence) */
 static const char *colorname[] = {
 	/* 8 normal colors */
diff --git a/config.def.h.rej b/config.def.h.rej
deleted file mode 100644
index 7897b51..0000000
--- a/config.def.h.rej
+++ /dev/null
@@ -1,11 +0,0 @@
---- config.def.h
-+++ config.def.h
-@@ -201,6 +201,8 @@ static Shortcut shortcuts[] = {
- 	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
- 	{ ShiftMask,            XK_Insert,      selpaste,       {.i =  0} },
- 	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
-+	{ MODKEY,               XK_l,           copyurl,        {.i =  0} },
-+	{ MODKEY|ShiftMask,     XK_L,           copyurl,        {.i =  1} },
- };
- 
- /*
diff --git a/st.c b/st.c
index 3a0c2e9..bbd138f 100644
--- a/st.c
+++ b/st.c
@@ -1283,9 +1283,6 @@ tsetchar(Rune u, const Glyph *attr, int x, int y)
 	term.dirty[y] = 1;
 	term.line[y][x] = *attr;
 	term.line[y][x].u = u;
-
-	if (isboxdraw(u))
-		term.line[y][x].mode |= ATTR_BOXDRAW;
 }
 
 void
diff --git a/st.c.orig b/st.c.orig
index f39d173..3a0c2e9 100644
--- a/st.c.orig
+++ b/st.c.orig
@@ -159,6 +159,11 @@ typedef struct {
 	int narg;              /* nb of args */
 } STREscape;
 
+typedef struct {
+	int state;
+	size_t length;
+} URLdfa;
+
 static void execsh(char *, char **);
 static void stty(char **);
 static void sigchld(int);
@@ -208,6 +213,7 @@ static void tdefutf8(char);
 static int32_t tdefcolor(const int *, int *, int);
 static void tdeftran(char);
 static void tstrsequence(uchar);
+static int daddch(URLdfa *, char);
 
 static void drawregion(int, int, int, int);
 
@@ -2742,3 +2748,98 @@ redraw(void)
 	tfulldirt();
 	draw();
 }
+
+int
+daddch(URLdfa *dfa, char c)
+{
+	/* () and [] can appear in urls, but excluding them here will reduce false
+	 * positives when figuring out where a given url ends.
+	 */
+	static const char URLCHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+		"abcdefghijklmnopqrstuvwxyz"
+		"0123456789-._~:/?#@!$&'*+,;=%";
+	static const char RPFX[] = "//:sptth";
+
+	if (!strchr(URLCHARS, c)) {
+		dfa->length = 0;
+		dfa->state = 0;
+
+		return 0;
+	}
+
+	dfa->length++;
+
+	if (dfa->state == 2 && c == '/') {
+		dfa->state = 0;
+	} else if (dfa->state == 3 && c == 'p') {
+		dfa->state++;
+	} else if (c != RPFX[dfa->state]) {
+		dfa->state = 0;
+		return 0;
+	}
+
+	if (dfa->state++ == 7) {
+		dfa->state = 0;
+		return 1;
+	}
+
+	return 0;
+}
+
+/*
+** Select and copy the previous url on screen (do nothing if there's no url).
+*/
+void
+copyurl(const Arg *arg) {
+	int row = 0, /* row of current URL */
+		col = 0, /* column of current URL start */
+		colend = 0, /* column of last occurrence */
+		passes = 0; /* how many rows have been scanned */
+
+	const char *c = NULL,
+		 *match = NULL;
+	URLdfa dfa = { 0 };
+
+	row = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.y : term.bot;
+	LIMIT(row, term.top, term.bot);
+
+	colend = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.x : term.col;
+	LIMIT(colend, 0, term.col);
+
+	/*
+	** Scan from (term.row - 1,term.col - 1) to (0,0) and find
+	** next occurrance of a URL
+	*/
+	for (passes = 0; passes < term.row; passes++) {
+		/* Read in each column of every row until
+		** we hit previous occurrence of URL
+		*/
+		for (col = colend; col--;)
+			if (daddch(&dfa, term.line[row][col].u < 128 ? term.line[row][col].u : ' '))
+				break;
+
+		if (col >= 0)
+			break;
+
+        /* .i = 0 --> botton-up
+         * .i = 1 --> top-down
+         */
+        if (!arg->i) {
+            if (--row < 0)
+                row = term.row - 1;
+        } else {
+            if (++row >= term.row)
+                row = 0;
+        }
+
+		colend = term.col;
+	}
+
+	if (passes < term.row) {
+		selstart(col, row, 0);
+		selextend((col + dfa.length - 1) % term.col, row + (col + dfa.length - 1) / term.col, SEL_REGULAR, 0);
+		selextend((col + dfa.length - 1) % term.col, row + (col + dfa.length - 1) / term.col, SEL_REGULAR, 1);
+		xsetsel(getsel());
+		xclipcopy();
+	}
+}
diff --git a/st.c.rej b/st.c.rej
deleted file mode 100644
index ca81ac7..0000000
--- a/st.c.rej
+++ /dev/null
@@ -1,121 +0,0 @@
---- st.c
-+++ st.c
-@@ -152,6 +152,11 @@ typedef struct {
- 	int narg;              /* nb of args */
- } STREscape;
- 
-+typedef struct {
-+	int state;
-+	size_t length;
-+} URLdfa;
-+
- static void execsh(char *, char **);
- static void stty(char **);
- static void sigchld(int);
-@@ -201,6 +206,7 @@ static void tdefutf8(char);
- static int32_t tdefcolor(const int *, int *, int);
- static void tdeftran(char);
- static void tstrsequence(uchar);
-+static int daddch(URLdfa *, char);
- 
- static void drawregion(int, int, int, int);
- 
-@@ -2666,3 +2672,98 @@ redraw(void)
- 	tfulldirt();
- 	draw();
- }
-+
-+int
-+daddch(URLdfa *dfa, char c)
-+{
-+	/* () and [] can appear in urls, but excluding them here will reduce false
-+	 * positives when figuring out where a given url ends.
-+	 */
-+	static const char URLCHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-+		"abcdefghijklmnopqrstuvwxyz"
-+		"0123456789-._~:/?#@!$&'*+,;=%";
-+	static const char RPFX[] = "//:sptth";
-+
-+	if (!strchr(URLCHARS, c)) {
-+		dfa->length = 0;
-+		dfa->state = 0;
-+
-+		return 0;
-+	}
-+
-+	dfa->length++;
-+
-+	if (dfa->state == 2 && c == '/') {
-+		dfa->state = 0;
-+	} else if (dfa->state == 3 && c == 'p') {
-+		dfa->state++;
-+	} else if (c != RPFX[dfa->state]) {
-+		dfa->state = 0;
-+		return 0;
-+	}
-+
-+	if (dfa->state++ == 7) {
-+		dfa->state = 0;
-+		return 1;
-+	}
-+
-+	return 0;
-+}
-+
-+/*
-+** Select and copy the previous url on screen (do nothing if there's no url).
-+*/
-+void
-+copyurl(const Arg *arg) {
-+	int row = 0, /* row of current URL */
-+		col = 0, /* column of current URL start */
-+		colend = 0, /* column of last occurrence */
-+		passes = 0; /* how many rows have been scanned */
-+
-+	const char *c = NULL,
-+		 *match = NULL;
-+	URLdfa dfa = { 0 };
-+
-+	row = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.y : term.bot;
-+	LIMIT(row, term.top, term.bot);
-+
-+	colend = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.x : term.col;
-+	LIMIT(colend, 0, term.col);
-+
-+	/*
-+	** Scan from (term.row - 1,term.col - 1) to (0,0) and find
-+	** next occurrance of a URL
-+	*/
-+	for (passes = 0; passes < term.row; passes++) {
-+		/* Read in each column of every row until
-+		** we hit previous occurrence of URL
-+		*/
-+		for (col = colend; col--;)
-+			if (daddch(&dfa, term.line[row][col].u < 128 ? term.line[row][col].u : ' '))
-+				break;
-+
-+		if (col >= 0)
-+			break;
-+
-+        /* .i = 0 --> botton-up
-+         * .i = 1 --> top-down
-+         */
-+        if (!arg->i) {
-+            if (--row < 0)
-+                row = term.row - 1;
-+        } else {
-+            if (++row >= term.row)
-+                row = 0;
-+        }
-+
-+		colend = term.col;
-+	}
-+
-+	if (passes < term.row) {
-+		selstart(col, row, 0);
-+		selextend((col + dfa.length - 1) % term.col, row + (col + dfa.length - 1) / term.col, SEL_REGULAR, 0);
-+		selextend((col + dfa.length - 1) % term.col, row + (col + dfa.length - 1) / term.col, SEL_REGULAR, 1);
-+		xsetsel(getsel());
-+		xclipcopy();
-+	}
-+}
diff --git a/st.h b/st.h
index b3ca24a..faf8633 100644
--- a/st.h
+++ b/st.h
@@ -33,7 +33,6 @@ enum glyph_attribute {
 	ATTR_WRAP       = 1 << 8,
 	ATTR_WIDE       = 1 << 9,
 	ATTR_WDUMMY     = 1 << 10,
-	ATTR_BOXDRAW    = 1 << 11,
 	ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
 };
 
@@ -115,14 +114,6 @@ void *xmalloc(size_t);
 void *xrealloc(void *, size_t);
 char *xstrdup(const char *);
 
-int isboxdraw(Rune);
-ushort boxdrawindex(const Glyph *);
-#ifdef XFT_VERSION
-/* only exposed to x.c, otherwise we'll need Xft.h for the types */
-void boxdraw_xinit(Display *, Colormap, XftDraw *, Visual *);
-void drawboxes(int, int, int, int, XftColor *, XftColor *, const XftGlyphFontSpec *, int);
-#endif
-
 /* config.h globals */
 extern char *utmp;
 extern char *scroll;
@@ -136,5 +127,5 @@ extern unsigned int tabspaces;
 extern unsigned int defaultfg;
 extern unsigned int defaultbg;
 extern unsigned int defaultcs;
-extern float alpha;
 extern const int boxdraw, boxdraw_bold, boxdraw_braille;
+extern float alpha;
diff --git a/st.h.orig b/st.h.orig
index 826cb1d..b3ca24a 100644
--- a/st.h.orig
+++ b/st.h.orig
@@ -136,4 +136,5 @@ extern unsigned int tabspaces;
 extern unsigned int defaultfg;
 extern unsigned int defaultbg;
 extern unsigned int defaultcs;
+extern float alpha;
 extern const int boxdraw, boxdraw_bold, boxdraw_braille;
diff --git a/st.h.rej b/st.h.rej
deleted file mode 100644
index 05d4afc..0000000
--- a/st.h.rej
+++ /dev/null
@@ -1,7 +0,0 @@
---- st.h
-+++ st.h
-@@ -126,3 +126,4 @@ extern unsigned int tabspaces;
- extern unsigned int defaultfg;
- extern unsigned int defaultbg;
- extern unsigned int defaultcs;
-+extern float alpha;
diff --git a/st.o b/st.o
deleted file mode 100644
index 24b4147..0000000
--- a/st.o
+++ /dev/null
diff --git a/x.c b/x.c
index 16b7bda..6f329c0 100644
--- a/x.c
+++ b/x.c
@@ -1360,8 +1360,6 @@ xinit(int cols, int rows)
 	xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
 	if (xsel.xtarget == None)
 		xsel.xtarget = XA_STRING;
-
-	boxdraw_xinit(xw.dpy, xw.cmap, xw.draw, xw.vis);
 }
 
 int
@@ -1408,13 +1406,8 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
 			yp = winy + font->ascent;
 		}
 
-		if (mode & ATTR_BOXDRAW) {
-			/* minor shoehorning: boxdraw uses only this ushort */
-			glyphidx = boxdrawindex(&glyphs[i]);
-		} else {
-			/* Lookup character index with default font. */
-			glyphidx = XftCharIndex(xw.dpy, font->match, rune);
-		}
+		/* Lookup character index with default font. */
+		glyphidx = XftCharIndex(xw.dpy, font->match, rune);
 		if (glyphidx) {
 			specs[numspecs].font = font->match;
 			specs[numspecs].glyph = glyphidx;
@@ -1618,12 +1611,8 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 	r.width = width;
 	XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
 
-	if (base.mode & ATTR_BOXDRAW) {
-		drawboxes(winx, winy, width / len, win.ch, fg, bg, specs, len);
-	} else {
-		/* Render the glyphs. */
-		XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
-	}
+	/* Render the glyphs. */
+	XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
 
 	/* Render underline and strikethrough. */
 	if (base.mode & ATTR_UNDERLINE) {
@@ -1666,7 +1655,7 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
 	/*
 	 * Select the right color for the right mode.
 	 */
-	g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE|ATTR_BOXDRAW;
+	g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE;
 
 	if (IS_SET(MODE_REVERSE)) {
 		g.mode |= ATTR_REVERSE;
diff --git a/x.c.orig b/x.c.orig
index 8c85397..16b7bda 100644
--- a/x.c.orig
+++ b/x.c.orig
@@ -106,6 +106,7 @@ typedef struct {
 	XSetWindowAttributes attrs;
 	int scr;
 	int isfixed; /* is fixed geometry? */
+	int depth; /* bit depth */
 	int l, t; /* left and top offset */
 	int gm; /* geometry mask */
 } XWindow;
@@ -246,6 +247,7 @@ static char *usedfont = NULL;
 static double usedfontsize = 0;
 static double defaultfontsize = 0;
 
+static char *opt_alpha = NULL;
 static char *opt_class = NULL;
 static char **opt_cmd  = NULL;
 static char *opt_embed = NULL;
@@ -760,7 +762,7 @@ xresize(int col, int row)
 
 	XFreePixmap(xw.dpy, xw.buf);
 	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
-			DefaultDepth(xw.dpy, xw.scr));
+			xw.depth);
 	XftDrawChange(xw.draw, xw.buf);
 	xclear(0, 0, win.w, win.h);
 
@@ -820,6 +822,13 @@ xloadcols(void)
 			else
 				die("could not allocate color %d\n", i);
 		}
+
+	/* set alpha value of bg color */
+	if (opt_alpha)
+		alpha = strtof(opt_alpha, NULL);
+	dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
+	dc.col[defaultbg].pixel &= 0x00FFFFFF;
+	dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
 	loaded = 1;
 }
 
@@ -1237,11 +1246,23 @@ xinit(int cols, int rows)
 	Window parent;
 	pid_t thispid = getpid();
 	XColor xmousefg, xmousebg;
+	XWindowAttributes attr;
+	XVisualInfo vis;
 
 	if (!(xw.dpy = XOpenDisplay(NULL)))
 		die("can't open display\n");
 	xw.scr = XDefaultScreen(xw.dpy);
-	xw.vis = XDefaultVisual(xw.dpy, xw.scr);
+
+	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) {
+		parent = XRootWindow(xw.dpy, xw.scr);
+		xw.depth = 32;
+	} else {
+		XGetWindowAttributes(xw.dpy, parent, &attr);
+		xw.depth = attr.depth;
+	}
+
+	XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis);
+	xw.vis = vis.visual;
 
 	/* font */
 	if (!FcInit())
@@ -1254,7 +1275,7 @@ xinit(int cols, int rows)
 	xloadsparefonts();
 
 	/* colors */
-	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
+	xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
 	xloadcols();
 
 	/* adjust fixed window geometry */
@@ -1274,19 +1295,15 @@ xinit(int cols, int rows)
 		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
 	xw.attrs.colormap = xw.cmap;
 
-	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
-		parent = XRootWindow(xw.dpy, xw.scr);
 	xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
-			win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
+			win.w, win.h, 0, xw.depth, InputOutput,
 			xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
 			| CWEventMask | CWColormap, &xw.attrs);
 
 	memset(&gcvalues, 0, sizeof(gcvalues));
 	gcvalues.graphics_exposures = False;
-	dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
-			&gcvalues);
-	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
-			DefaultDepth(xw.dpy, xw.scr));
+	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
+	dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues);
 	XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
 	XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
 
@@ -2155,6 +2172,9 @@ main(int argc, char *argv[])
 	case 'a':
 		allowaltscreen = 0;
 		break;
+	case 'A':
+		opt_alpha = EARGF(usage());
+		break;
 	case 'c':
 		opt_class = EARGF(usage());
 		break;
diff --git a/x.o b/x.o
deleted file mode 100644
index f75f742..0000000
--- a/x.o
+++ /dev/null