Synced upstream of terminal

16 files changed, 581 insertions, 233 deletions

diff --git a/.repos/st/.Xdefaults b/.repos/st/.Xdefaults
deleted file mode 100644
index 05b5e2e..0000000
--- a/.repos/st/.Xdefaults
+++ /dev/null
@@ -1,124 +0,0 @@
-!! Transparency (0-1):
-st.alpha: 0.92
-
-!! Set a default font and font size as below:
-st.font: Monospace-11;
-
-! st.termname: st-256color
-! st.borderpx: 2
-
-!! Set the background, foreground and cursor colors as below:
-*.background: #282828
-*.foreground: white
-*.cursorColor: white
-
-/* !! gruvbox: */
-/* *.color0: #1d2021 */
-/* *.color1: #cc241d */
-/* *.color2: #98971a */
-/* *.color3: #d79921 */
-/* *.color4: #458588 */
-/* *.color5: #b16286 */
-/* *.color6: #689d6a */
-/* *.color7: #a89984 */
-/* *.color8: #928374 */
-/* *.color9: #fb4934 */
-/* *.color10: #b8bb26 */
-/* *.color11: #fabd2f */
-/* *.color12: #83a598 */
-/* *.color13: #d3869b */
-/* *.color14: #8ec07c */
-/* *.color15: #ebdbb2 */
-
-/* !! gruvbox light: */
-/* *.color0: #fbf1c7 */
-/* *.color1: #cc241d */
-/* *.color2: #98971a */
-/* *.color3: #d79921 */
-/* *.color4: #458588 */
-/* *.color5: #b16286 */
-/* *.color6: #689d6a */
-/* *.color7: #7c6f64 */
-/* *.color8: #928374 */
-/* *.color9: #9d0006 */
-/* *.color10: #79740e */
-/* *.color11: #b57614 */
-/* *.color12: #076678 */
-/* *.color13: #8f3f71 */
-/* *.color14: #427b58 */
-/* *.color15: #3c3836 */
-
-/* !! brogrammer: */
-/* *.foreground:  #d6dbe5 */
-/* *.background:  #131313 */
-/* *.color0:      #1f1f1f */
-/* *.color8:      #d6dbe5 */
-/* *.color1:      #f81118 */
-/* *.color9:      #de352e */
-/* *.color2:      #2dc55e */
-/* *.color10:     #1dd361 */
-/* *.color3:      #ecba0f */
-/* *.color11:     #f3bd09 */
-/* *.color4:      #2a84d2 */
-/* *.color12:     #1081d6 */
-/* *.color5:      #4e5ab7 */
-/* *.color13:     #5350b9 */
-/* *.color6:      #1081d6 */
-/* *.color14:     #0f7ddb */
-/* *.color7:      #d6dbe5 */
-/* *.color15:     #ffffff */
-/* *.colorBD:     #d6dbe5 */
-
-/* ! base16 */
-/* *.color0:       #181818 */
-/* *.color1:       #ab4642 */
-/* *.color2:       #a1b56c */
-/* *.color3:       #f7ca88 */
-/* *.color4:       #7cafc2 */
-/* *.color5:       #ba8baf */
-/* *.color6:       #86c1b9 */
-/* *.color7:       #d8d8d8 */
-/* *.color8:       #585858 */
-/* *.color9:       #ab4642 */
-/* *.color10:      #a1b56c */
-/* *.color11:      #f7ca88 */
-/* *.color12:      #7cafc2 */
-/* *.color13:      #ba8baf */
-/* *.color14:      #86c1b9 */
-/* *.color15:      #f8f8f8 */
-
-/* !! solarized */
-/* *.color0:	#073642 */
-/* *.color1:	#dc322f */
-/* *.color2:	#859900 */
-/* *.color3:	#b58900 */
-/* *.color4:	#268bd2 */
-/* *.color5:	#d33682 */
-/* *.color6:	#2aa198 */
-/* *.color7:	#eee8d5 */
-/* *.color9:	#cb4b16 */
-/* *.color8:	#fdf6e3 */
-/* *.color10:	#586e75 */
-/* *.color11:	#657b83 */
-/* *.color12:	#839496 */
-/* *.color13:	#6c71c4 */
-/* *.color14:	#93a1a1 */
-/* *.color15:	#fdf6e3 */
-
-/* !! xterm */
-/* *.color0:   #000000 */
-/* *.color1:   #cd0000 */
-/* *.color2:   #00cd00 */
-/* *.color3:   #cdcd00 */
-/* *.color4:   #0000cd */
-/* *.color5:   #cd00cd */
-/* *.color6:   #00cdcd */
-/* *.color7:   #e5e5e5 */
-/* *.color8:   #4d4d4d */
-/* *.color9:   #ff0000 */
-/* *.color10:  #00ff00 */
-/* *.color11:  #ffff00 */
-/* *.color12:  #0000ff */
-/* *.color13:  #ff00ff */
-/* *.color14:  #00ffff */
-/* *.color15:  #aabac8 */
diff --git a/.repos/st/.gitignore b/.repos/st/.gitignore
index 18c21b0..732bca7 100644
--- a/.repos/st/.gitignore
+++ b/.repos/st/.gitignore
@@ -1,5 +1,5 @@
 st
-st.o
-x.o
+*.o
 pkg/
 *.pkg.tar.xz
+patches
diff --git a/.repos/st/.travis.yml b/.repos/st/.travis.yml
deleted file mode 100644
index dfc38d4..0000000
--- a/.repos/st/.travis.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-language: c
-compiler:
-    - gcc
-script: make 
-notifications:
-    webhooks:
-        urls:
-            - https://webhooks.gitter.im/e/ec51097009f538278ab8
-        on_success: change
-        on_failure: always
-
diff --git a/.repos/st/Makefile b/.repos/st/Makefile
index a836907..2e05e4b 100644
--- a/.repos/st/Makefile
+++ b/.repos/st/Makefile
@@ -4,7 +4,7 @@
 
 include config.mk
 
-SRC = st.c x.c
+SRC = st.c x.c boxdraw.c
 OBJ = $(SRC:.c=.o)
 
 all: options st
@@ -23,6 +23,7 @@ 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
 
@@ -30,7 +31,7 @@ st: $(OBJ)
 	$(CC) -o $@ $(OBJ) $(STLDFLAGS)
 
 clean:
-	rm -f st $(OBJ) st-$(VERSION).tar.gz
+	rm -f st $(OBJ) st-$(VERSION).tar.gz *.o *.orig *.rej
 
 dist: clean
 	mkdir -p st-$(VERSION)
@@ -44,8 +45,10 @@ install: st
 	mkdir -p $(DESTDIR)$(PREFIX)/bin
 	cp -f st $(DESTDIR)$(PREFIX)/bin
 	cp -f st-copyout $(DESTDIR)$(PREFIX)/bin
+	cp -f st-urlhandler $(DESTDIR)$(PREFIX)/bin
 	chmod 755 $(DESTDIR)$(PREFIX)/bin/st
 	chmod 755 $(DESTDIR)$(PREFIX)/bin/st-copyout
+	chmod 755 $(DESTDIR)$(PREFIX)/bin/st-urlhandler
 	mkdir -p $(DESTDIR)$(MANPREFIX)/man1
 	sed "s/VERSION/$(VERSION)/g" < st.1 > $(DESTDIR)$(MANPREFIX)/man1/st.1
 	chmod 644 $(DESTDIR)$(MANPREFIX)/man1/st.1
@@ -55,6 +58,7 @@ install: st
 uninstall:
 	rm -f $(DESTDIR)$(PREFIX)/bin/st
 	rm -f $(DESTDIR)$(PREFIX)/bin/st-copyout
+	rm -f $(DESTDIR)$(PREFIX)/bin/st-urlhandler
 	rm -f $(DESTDIR)$(MANPREFIX)/man1/st.1
 
 .PHONY: all options clean dist install uninstall
diff --git a/.repos/st/README.md b/.repos/st/README.md
index 466c366..811f446 100644
--- a/.repos/st/README.md
+++ b/.repos/st/README.md
@@ -17,7 +17,7 @@ The [suckless terminal (st)](https://st.suckless.org/) with some additional feat
 
 ## Pretty stuff
 
-+ Compatibility with `Xresources` and `pywal` for dynamic colors. The `Xdefaults` file shows a usage example.
++ Compatibility with `Xresources` and `pywal` for dynamic colors.
 + Default [gruvbox](https://github.com/morhetz/gruvbox) colors otherwise.
 + Transparency/alpha, which is also adjustable from your `Xresources`.
 + Default font is system "mono" at 14pt, meaning the font will match your system font.
@@ -43,7 +43,7 @@ Obviously, `make` is required to build. `fontconfig` is required for the default
 
 On OpenBSD, be sure to edit `config.mk` first and remove `-lrt` from the `$LIBS` before compiling.
 
-Be sure to have a composite manager (`xcompmgr`, `compton`, etc.) running if you want transparency.
+Be sure to have a composite manager (`xcompmgr`, `picom`, etc.) running if you want transparency.
 
 ## How to configure dynamically with Xresources
 
diff --git a/.repos/st/boxdraw.c b/.repos/st/boxdraw.c
new file mode 100644
index 0000000..28a92d0
--- /dev/null
+++ b/.repos/st/boxdraw.c
@@ -0,0 +1,194 @@
+/*
+ * 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/.repos/st/boxdraw_data.h b/.repos/st/boxdraw_data.h
new file mode 100644
index 0000000..7890500
--- /dev/null
+++ b/.repos/st/boxdraw_data.h
@@ -0,0 +1,214 @@
+/*
+ * 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/.repos/st/config.h b/.repos/st/config.h
index bb36f5c..b4283bd 100644
--- a/.repos/st/config.h
+++ b/.repos/st/config.h
@@ -42,9 +42,14 @@ static unsigned int tripleclicktimeout = 600;
 /* alt screens */
 int allowaltscreen = 1;
 
-/* frames per second st should at maximum draw to the screen */
-static unsigned int xfps = 120;
-static unsigned int actionfps = 30;
+/*
+ * draw latency range in ms - from new content/keypress/etc until drawing.
+ * within this range, st draws when content stops arriving (idle). mostly it's
+ * near minlatency, but it waits longer for slow updates to avoid partial draw.
+ * low minlatency will tear/flicker more, as it can "detect" idle too early.
+ */
+static double minlatency = 8;
+static double maxlatency = 33;
 
 /*
  * blinking timeout (set to 0 to disable blinking) for the terminal blinking
@@ -65,6 +70,18 @@ int ximspot_update_interval = 1000;
 static unsigned int cursorthickness = 2;
 
 /*
+ * 1: render most of the lines/blocks characters without using the font for
+ *    perfect alignment between cells (U2500 - U259F except dashes/diagonals).
+ *    Bold affects lines thickness if boxdraw_bold is not 0. Italic is ignored.
+ * 0: disable (render all U25XX glyphs normally from the font).
+ */
+const int boxdraw = 1;
+const int boxdraw_bold = 1;
+
+/* braille (U28XX):  1: render as adjacent "pixels",  0: use font */
+const int boxdraw_braille = 1;
+
+/*
  * bell volume. It must be a value between -100 and 100. Use 0 for disabling
  * it
  */
@@ -91,7 +108,7 @@ char *termname = "st-256color";
 unsigned int tabspaces = 8;
 
 /* bg opacity */
-float alpha = 0.92;
+float alpha = 0.8;
 
 /* Terminal colors (16 first used in escape sequence) */
 static const char *colorname[] = {
@@ -119,15 +136,14 @@ static const char *colorname[] = {
 	"#eaeaea", /* 259 -> fg */
 };
 
-
 /*
  * Default colors (colorname index)
  * foreground, background, cursor, reverse cursor
  */
 unsigned int defaultfg = 259;
 unsigned int defaultbg = 258;
-static unsigned int defaultcs = 256;
-static unsigned int defaultrcs = 257;
+unsigned int defaultcs = 256;
+unsigned int defaultrcs = 257;
 
 /*
  * Default shape of cursor
@@ -185,8 +201,6 @@ ResourcePref resources[] = {
 		{ "cursorColor",  STRING,  &colorname[256] },
 		{ "termname",     STRING,  &termname },
 		{ "shell",        STRING,  &shell },
-		{ "xfps",         INTEGER, &xfps },
-		{ "actionfps",    INTEGER, &actionfps },
 		{ "blinktimeout", INTEGER, &blinktimeout },
 		{ "bellvolume",   INTEGER, &bellvolume },
 		{ "tabspaces",    INTEGER, &tabspaces },
@@ -221,12 +235,10 @@ MouseKey mkeys[] = {
 	{ Button5,              TERMMOD,        zoom,           {.f =  -1} },
 };
 
-static char *openurlcmd[] = { "/bin/sh", "-c",
-    "sed 's/.*│//g' | tr -d '\n' | grep -aEo '(((http|https)://|www\\.)[a-zA-Z0-9.]*[:]?[a-zA-Z0-9./&%?$#=_-]*)|((magnet:\\?xt=urn:btih:)[a-zA-Z0-9]*)'| uniq | sed 's/^www./http:\\/\\/www\\./g' | dmenu -i -p 'Follow which url?' -l 10 | xargs -r xdg-open",
-    "externalpipe", NULL };
+static char *openurlcmd[] = { "/bin/sh", "-c", "st-urlhandler", "externalpipe", NULL };
 
 static char *copyurlcmd[] = { "/bin/sh", "-c",
-    "sed 's/.*│//g' | tr -d '\n' | grep -aEo '(((http|https)://|www\\.)[a-zA-Z0-9.]*[:]?[a-zA-Z0-9./&%?$#=_-]*)|((magnet:\\?xt=urn:btih:)[a-zA-Z0-9]*)' | uniq | sed 's/^www./http:\\/\\/www\\./g' | dmenu -i -p 'Copy which url?' -l 10 | tr -d '\n' | xclip -selection clipboard",
+    "tmp=$(sed 's/.*│//g' | tr -d '\n' | grep -aEo '(((http|https)://|www\\.)[a-zA-Z0-9.]*[:]?[a-zA-Z0-9./@$&%?$#=_-]*)|((magnet:\\?xt=urn:btih:)[a-zA-Z0-9]*)' | uniq | sed 's/^www./http:\\/\\/www\\./g' ); IFS=; [ ! -z $tmp ] && echo $tmp | dmenu -i -p 'Copy which url?' -l 10 | tr -d '\n' | xclip -selection clipboard",
     "externalpipe", NULL };
 
 static char *copyoutput[] = { "/bin/sh", "-c", "st-copyout", "externalpipe", NULL };
@@ -240,10 +252,9 @@ static Shortcut shortcuts[] = {
 	{ TERMMOD,              XK_Prior,       zoom,           {.f = +1} },
 	{ TERMMOD,              XK_Next,        zoom,           {.f = -1} },
 	{ MODKEY,               XK_Home,        zoomreset,      {.f =  0} },
+	{ MODKEY,               XK_c,           clipcopy,       {.i =  0} },
 	{ ShiftMask,            XK_Insert,      clippaste,      {.i =  0} },
-	{ MODKEY,		XK_c,		clipcopy,	{.i =  0} },
-	{ MODKEY,		XK_v,		clippaste,	{.i =  0} },
-	{ MODKEY,               XK_p,           selpaste,       {.i =  0} },
+	{ MODKEY,               XK_v,           clippaste,      {.i =  0} },
 	{ XK_ANY_MOD,		Button2,	selpaste,	{.i =  0} },
 	{ MODKEY,               XK_Num_Lock,    numlock,        {.i =  0} },
 	{ MODKEY,               XK_Control_L,   iso14755,       {.i =  0} },
diff --git a/.repos/st/config.mk b/.repos/st/config.mk
index eba98c3..1635264 100644
--- a/.repos/st/config.mk
+++ b/.repos/st/config.mk
@@ -10,6 +10,10 @@ MANPREFIX = $(PREFIX)/share/man
 X11INC = /usr/X11R6/include
 X11LIB = /usr/X11R6/lib
 
+# include X11 in Ubuntu
+# X11INC = /usr/include/X11R6
+# X11LIB = /usr/lib/X11R6
+
 PKG_CONFIG = pkg-config
 
 # includes and libs
diff --git a/.repos/st/st-copyout b/.repos/st/st-copyout
index 8eafc58..0d19e5a 100755
--- a/.repos/st/st-copyout
+++ b/.repos/st/st-copyout
@@ -6,6 +6,7 @@
 tmpfile=$(mktemp /tmp/st-cmd-output.XXXXXX)
 trap 'rm "$tmpfile"' 0 1 15
 sed -n "w $tmpfile"
+sed -i 's/\x0//g' "$tmpfile"
 ps1="$(grep "\S" "$tmpfile" | tail -n 1 | sed 's/^\s*//' | cut -d' ' -f1)"
 chosen="$(grep -F "$ps1" "$tmpfile" | sed '$ d' | tac | dmenu -p "Copy which command's output?" -i -l 10 | sed 's/[^^]/[&]/g; s/\^/\\^/g')"
 eps1="$(echo "$ps1" | sed 's/[^^]/[&]/g; s/\^/\\^/g')"
diff --git a/.repos/st/st-urlhandler b/.repos/st/st-urlhandler
new file mode 100755
index 0000000..d44bb99
--- /dev/null
+++ b/.repos/st/st-urlhandler
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+urlregex="(((http|https)://|www\\.)[a-zA-Z0-9.]*[:]?[a-zA-Z0-9./@$&%?$#=_-]*)|((magnet:\\?xt=urn:btih:)[a-zA-Z0-9]*)"
+
+# First remove linebreaks and mutt sidebars:
+urls="$(sed 's/.*│//g' | tr -d '\n' |
+	grep -aEo "$urlregex" | # grep only urls as defined above.
+	uniq | # Ignore neighboring duplicates.
+	sed 's/^www./http:\/\/www\./g')"
+
+[ -z "$urls" ] && exit
+
+chosen="$(echo "$urls" | dmenu -i -p 'Follow which url?' -l 10)"
+
+setsid xdg-open "$chosen" >/dev/null 2>&1 &
diff --git a/.repos/st/st.c b/.repos/st/st.c
index e4df60c..0e5e3f5 100644
--- a/.repos/st/st.c
+++ b/.repos/st/st.c
@@ -1295,6 +1295,9 @@ tsetchar(Rune u, 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
@@ -1940,12 +1943,23 @@ strhandle(void)
 			}
 			return;
 		case 4: /* color set */
-			if (narg < 3)
+		case 10: /* foreground set */
+		case 11: /* background set */
+		case 12: /* cursor color */
+			if ((par == 4 && narg < 3) || narg < 2)
 				break;
-			p = strescseq.args[2];
+			p = strescseq.args[((par == 4) ? 2 : 1)];
 			/* FALLTHROUGH */
 		case 104: /* color reset, here p = NULL */
-			j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
+			if (par == 10)
+				j = defaultfg;
+			else if (par == 11)
+				j = defaultbg;
+			else if (par == 12)
+				j = defaultcs;
+			else
+				j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
+
 			if (xsetcolorname(j, p)) {
 				if (par == 104 && narg <= 1)
 					return; /* color reset without parameter */
@@ -1956,6 +1970,8 @@ strhandle(void)
 				 * TODO if defaultbg color is changed, borders
 				 * are dirty
 				 */
+				if (j == defaultbg)
+					xclearwin();
 				redraw();
 			}
 			return;
diff --git a/.repos/st/st.h b/.repos/st/st.h
index 4504a30..33cc5d4 100644
--- a/.repos/st/st.h
+++ b/.repos/st/st.h
@@ -33,6 +33,7 @@ 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,
 };
 
@@ -121,6 +122,14 @@ void *xmalloc(size_t);
 void *xrealloc(void *, size_t);
 char *xstrdup(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 *stty_args;
@@ -131,6 +140,8 @@ extern char *termname;
 extern unsigned int tabspaces;
 extern unsigned int defaultfg;
 extern unsigned int defaultbg;
+extern unsigned int defaultcs;
+extern const int boxdraw, boxdraw_bold, boxdraw_braille;
 extern float alpha;
 extern MouseKey mkeys[];
 extern int ximspot_update_interval;
diff --git a/.repos/st/st.info b/.repos/st/st.info
index 52fc617..78ffd30 100644
--- a/.repos/st/st.info
+++ b/.repos/st/st.info
@@ -189,10 +189,10 @@ st| simpleterm,
 	rmxx=\E[29m,
 	smxx=\E[9m,
 # tmux extensions, see TERMINFO EXTENSIONS in tmux(1)
-	Se,
-	Ss,
 	Tc,
 	Ms=\E]52;%p1%s;%p2%s\007,
+	Se=\E[2 q,
+	Ss=\E[%p1%d q,
 
 st-256color| simpleterm with 256 colors,
 	use=st,
diff --git a/.repos/st/win.h b/.repos/st/win.h
index a6ef1b9..d7b4980 100644
--- a/.repos/st/win.h
+++ b/.repos/st/win.h
@@ -37,3 +37,4 @@ void xsetpointermotion(int);
 void xsetsel(char *);
 int xstartdraw(void);
 void xximspot(int, int);
+void xclearwin(void);
diff --git a/.repos/st/x.c b/.repos/st/x.c
index c09392b..55f4a61 100644
--- a/.repos/st/x.c
+++ b/.repos/st/x.c
@@ -661,8 +661,6 @@ setsel(char *str, Time t)
 	XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
 	if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
 		selclear();
-
-	clipcopy(NULL);
 }
 
 void
@@ -680,7 +678,7 @@ brelease(XEvent *e)
 	}
 
 	if (e->xbutton.button == Button2)
-		clippaste(NULL);
+		selpaste(NULL);
 	else if (e->xbutton.button == Button1)
 		mousesel(e, 1);
 }
@@ -816,6 +814,8 @@ xsetcolorname(int x, const char *name)
 
 	XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
 	dc.col[x] = ncolor;
+	if (x == defaultbg)
+		dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
 
 	return 0;
 }
@@ -832,6 +832,13 @@ xclear(int x1, int y1, int x2, int y2)
 }
 
 void
+xclearwin(void)
+{
+	xclear(0, 0, win.w, win.h);
+}
+
+
+void
 xhints(void)
 {
 	XClassHint class = {opt_name ? opt_name : "st",
@@ -1296,6 +1303,8 @@ 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
@@ -1342,8 +1351,13 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
 			yp = winy + font->ascent + win.cyo;
 		}
 
-		/* Lookup character index with default font. */
-		glyphidx = XftCharIndex(xw.dpy, font->match, rune);
+		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);
+		}
 		if (glyphidx) {
 			specs[numspecs].font = font->match;
 			specs[numspecs].glyph = glyphidx;
@@ -1543,8 +1557,12 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 	r.width = width;
 	XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
 
-	/* Render the glyphs. */
-	XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
+	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 underline and strikethrough. */
 	if (base.mode & ATTR_UNDERLINE) {
@@ -1587,7 +1605,7 @@ 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;
+	g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE|ATTR_BOXDRAW;
 
 	if (IS_SET(MODE_REVERSE)) {
 		g.mode |= ATTR_REVERSE;
@@ -1947,10 +1965,9 @@ run(void)
 	XEvent ev;
 	int w = win.w, h = win.h;
 	fd_set rfd;
-	int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
-	int ttyfd;
-	struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
-	long deltatime;
+	int xfd = XConnectionNumber(xw.dpy), ttyfd, xev, drawing;
+	struct timespec seltv, *tv, now, lastblink, trigger;
+	double timeout;
 
 	/* Waiting for window mapping */
 	do {
@@ -1971,82 +1988,77 @@ run(void)
 	ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd);
 	cresize(w, h);
 
-	clock_gettime(CLOCK_MONOTONIC, &last);
-	lastblink = last;
-
-	for (xev = actionfps;;) {
+	for (timeout = -1, drawing = 0, lastblink = (struct timespec){0};;) {
 		FD_ZERO(&rfd);
 		FD_SET(ttyfd, &rfd);
 		FD_SET(xfd, &rfd);
 
+		if (XPending(xw.dpy))
+			timeout = 0;  /* existing events might not set xfd */
+
+		seltv.tv_sec = timeout / 1E3;
+		seltv.tv_nsec = 1E6 * (timeout - 1E3 * seltv.tv_sec);
+		tv = timeout >= 0 ? &seltv : NULL;
+
 		if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
 			if (errno == EINTR)
 				continue;
 			die("select failed: %s\n", strerror(errno));
 		}
-		if (FD_ISSET(ttyfd, &rfd)) {
-			ttyread();
-			if (blinktimeout) {
-				blinkset = tattrset(ATTR_BLINK);
-				if (!blinkset)
-					MODBIT(win.mode, 0, MODE_BLINK);
-			}
-		}
+		clock_gettime(CLOCK_MONOTONIC, &now);
 
-		if (FD_ISSET(xfd, &rfd))
-			xev = actionfps;
+		if (FD_ISSET(ttyfd, &rfd))
+			ttyread();
 
-		clock_gettime(CLOCK_MONOTONIC, &now);
-		drawtimeout.tv_sec = 0;
-		drawtimeout.tv_nsec =  (1000 * 1E6)/ xfps;
-		tv = &drawtimeout;
-
-		dodraw = 0;
-		if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
-			tsetdirtattr(ATTR_BLINK);
-			win.mode ^= MODE_BLINK;
-			lastblink = now;
-			dodraw = 1;
-		}
-		deltatime = TIMEDIFF(now, last);
-		if (deltatime > 1000 / (xev ? xfps : actionfps)) {
-			dodraw = 1;
-			last = now;
+		xev = 0;
+		while (XPending(xw.dpy)) {
+			xev = 1;
+			XNextEvent(xw.dpy, &ev);
+			if (XFilterEvent(&ev, None))
+				continue;
+			if (handler[ev.type])
+				(handler[ev.type])(&ev);
 		}
 
-		if (dodraw) {
-			while (XPending(xw.dpy)) {
-				XNextEvent(xw.dpy, &ev);
-				if (XFilterEvent(&ev, None))
-					continue;
-				if (handler[ev.type])
-					(handler[ev.type])(&ev);
+		/*
+		 * To reduce flicker and tearing, when new content or event
+		 * triggers drawing, we first wait a bit to ensure we got
+		 * everything, and if nothing new arrives - we draw.
+		 * We start with trying to wait minlatency ms. If more content
+		 * arrives sooner, we retry with shorter and shorter preiods,
+		 * and eventually draw even without idle after maxlatency ms.
+		 * Typically this results in low latency while interacting,
+		 * maximum latency intervals during `cat huge.txt`, and perfect
+		 * sync with periodic updates from animations/key-repeats/etc.
+		 */
+		if (FD_ISSET(ttyfd, &rfd) || xev) {
+			if (!drawing) {
+				trigger = now;
+				drawing = 1;
 			}
+			timeout = (maxlatency - TIMEDIFF(now, trigger)) \
+			          / maxlatency * minlatency;
+			if (timeout > 0)
+				continue;  /* we have time, try to find idle */
+		}
 
-			draw();
-			XFlush(xw.dpy);
-
-			if (xev && !FD_ISSET(xfd, &rfd))
-				xev--;
-			if (!FD_ISSET(ttyfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
-				if (blinkset) {
-					if (TIMEDIFF(now, lastblink) \
-							> blinktimeout) {
-						drawtimeout.tv_nsec = 1000;
-					} else {
-						drawtimeout.tv_nsec = (1E6 * \
-							(blinktimeout - \
-							TIMEDIFF(now,
-								lastblink)));
-					}
-					drawtimeout.tv_sec = \
-					    drawtimeout.tv_nsec / 1E9;
-					drawtimeout.tv_nsec %= (long)1E9;
-				} else {
-					tv = NULL;
-				}
+		/* idle detected or maxlatency exhausted -> draw */
+		timeout = -1;
+		if (blinktimeout && tattrset(ATTR_BLINK)) {
+			timeout = blinktimeout - TIMEDIFF(now, lastblink);
+			if (timeout <= 0) {
+				if (-timeout > blinktimeout) /* start visible */
+					win.mode |= MODE_BLINK;
+				win.mode ^= MODE_BLINK;
+				tsetdirtattr(ATTR_BLINK);
+				lastblink = now;
+				timeout = blinktimeout;
 			}
 		}
+
+		draw();
+		XFlush(xw.dpy);
+		drawing = 0;
 	}
 }