add alpha anysize bold-is-not-bright boxdraw_v2 charoffsets clipboard and focus patches

1 files changed, 103 insertions, 55 deletions

diff --git a/x.c b/x.c
index 2a3bd38..5d57c90 100644
--- a/x.c
+++ b/x.c
@@ -81,6 +81,7 @@ typedef XftGlyphFontSpec GlyphFontSpec;
 typedef struct {
 	int tw, th; /* tty width and height */
 	int w, h; /* window width and height */
+	int hborderpx, vborderpx;
 	int ch; /* char height */
 	int cw; /* char width  */
 	int mode; /* window state/mode flags */
@@ -105,6 +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;
@@ -243,6 +245,7 @@ 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;
@@ -252,6 +255,8 @@ static char *opt_line  = NULL;
 static char *opt_name  = NULL;
 static char *opt_title = NULL;
 
+static int focused = 0;
+
 static uint buttons; /* bit field of pressed buttons */
 
 void
@@ -331,7 +336,7 @@ ttysend(const Arg *arg)
 int
 evcol(XEvent *e)
 {
-	int x = e->xbutton.x - borderpx;
+	int x = e->xbutton.x - win.hborderpx;
 	LIMIT(x, 0, win.tw - 1);
 	return x / win.cw;
 }
@@ -339,7 +344,7 @@ evcol(XEvent *e)
 int
 evrow(XEvent *e)
 {
-	int y = e->xbutton.y - borderpx;
+	int y = e->xbutton.y - win.vborderpx;
 	LIMIT(y, 0, win.th - 1);
 	return y / win.ch;
 }
@@ -686,6 +691,7 @@ 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
@@ -739,6 +745,9 @@ cresize(int width, int height)
 	col = MAX(1, col);
 	row = MAX(1, row);
 
+	win.hborderpx = (win.w - col * win.cw) / 2;
+	win.vborderpx = (win.h - row * win.ch) / 2;
+
 	tresize(col, row);
 	xresize(col, row);
 	ttyresize(win.tw, win.th);
@@ -752,7 +761,7 @@ 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);
 
@@ -791,27 +800,37 @@ xloadcolor(int i, const char *name, Color *ncolor)
 }
 
 void
+xloadalpha(void)
+{
+	float const usedAlpha = focused ? alpha : alphaUnfocused;
+	if (opt_alpha) alpha = strtof(opt_alpha, NULL);
+	dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * usedAlpha);
+	dc.col[defaultbg].pixel &= 0x00FFFFFF;
+	dc.col[defaultbg].pixel |= (unsigned char)(0xff * usedAlpha) << 24;
+}
+
+void
 xloadcols(void)
 {
-	int i;
 	static int loaded;
 	Color *cp;
 
-	if (loaded) {
-		for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
-			XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
-	} else {
-		dc.collen = MAX(LEN(colorname), 256);
-		dc.col = xmalloc(dc.collen * sizeof(Color));
+	if (!loaded) {
+		dc.collen = 1 + (defaultbg = MAX(LEN(colorname), 256));
+		dc.col = xmalloc((dc.collen) * sizeof(Color));
 	}
 
-	for (i = 0; i < dc.collen; i++)
+	for (int i = 0; i+1 < dc.collen; ++i)
 		if (!xloadcolor(i, NULL, &dc.col[i])) {
 			if (colorname[i])
 				die("could not allocate color '%s'\n", colorname[i]);
 			else
 				die("could not allocate color %d\n", i);
 		}
+	if (dc.collen) // cannot die, as the color is already loaded.
+		xloadcolor(focused ?bg :bgUnfocused, NULL, &dc.col[defaultbg]);
+
+	xloadalpha();
 	loaded = 1;
 }
 
@@ -869,8 +888,8 @@ xhints(void)
 	sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize;
 	sizeh->height = win.h;
 	sizeh->width = win.w;
-	sizeh->height_inc = win.ch;
-	sizeh->width_inc = win.cw;
+	sizeh->height_inc = 1;
+	sizeh->width_inc = 1;
 	sizeh->base_height = 2 * borderpx;
 	sizeh->base_width = 2 * borderpx;
 	sizeh->min_height = win.ch + 2 * borderpx;
@@ -1134,11 +1153,23 @@ 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())
@@ -1148,12 +1179,12 @@ xinit(int cols, int rows)
 	xloadfonts(usedfont, 0);
 
 	/* colors */
-	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
+	xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
 	xloadcols();
 
 	/* adjust fixed window geometry */
-	win.w = 2 * borderpx + cols * win.cw;
-	win.h = 2 * borderpx + rows * win.ch;
+	win.w = 2 * win.hborderpx + 2 * borderpx + cols * win.cw;
+	win.h = 2 * win.vborderpx + 2 * borderpx + rows * win.ch;
 	if (xw.gm & XNegative)
 		xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
 	if (xw.gm & YNegative)
@@ -1168,19 +1199,15 @@ 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);
 
@@ -1237,12 +1264,14 @@ 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
 xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
 {
-	float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
+	float winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch, xp, yp;
 	ushort mode, prevmode = USHRT_MAX;
 	Font *font = &dc.font;
 	int frcflags = FRC_NORMAL;
@@ -1283,13 +1312,18 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
 			yp = winy + font->ascent;
 		}
 
-		/* 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;
-			specs[numspecs].x = (short)xp;
-			specs[numspecs].y = (short)yp;
+			specs[numspecs].x = (short)xp + cxoffset;
+			specs[numspecs].y = (short)yp + cyoffset;
 			xp += runewidth;
 			numspecs++;
 			continue;
@@ -1375,7 +1409,7 @@ void
 xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
 {
 	int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
-	int winx = borderpx + x * win.cw, winy = borderpx + y * win.ch,
+	int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
 	    width = charlen * win.cw;
 	Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
 	XRenderColor colfg, colbg;
@@ -1412,10 +1446,6 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 		bg = &dc.col[base.bg];
 	}
 
-	/* Change basic system colors [0-7] to bright system colors [8-15] */
-	if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
-		fg = &dc.col[base.fg + 8];
-
 	if (IS_SET(MODE_REVERSE)) {
 		if (fg == &dc.col[defaultfg]) {
 			fg = &dc.col[defaultbg];
@@ -1465,17 +1495,17 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 
 	/* Intelligent cleaning up of the borders. */
 	if (x == 0) {
-		xclear(0, (y == 0)? 0 : winy, borderpx,
+		xclear(0, (y == 0)? 0 : winy, win.hborderpx,
 			winy + win.ch +
-			((winy + win.ch >= borderpx + win.th)? win.h : 0));
+			((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
 	}
-	if (winx + width >= borderpx + win.tw) {
+	if (winx + width >= win.hborderpx + win.tw) {
 		xclear(winx + width, (y == 0)? 0 : winy, win.w,
-			((winy + win.ch >= borderpx + win.th)? win.h : (winy + win.ch)));
+			((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
 	}
 	if (y == 0)
-		xclear(winx, 0, winx + width, borderpx);
-	if (winy + win.ch >= borderpx + win.th)
+		xclear(winx, 0, winx + width, win.vborderpx);
+	if (winy + win.ch >= win.vborderpx + win.th)
 		xclear(winx, winy + win.ch, winx + width, win.h);
 
 	/* Clean up the region we want to draw to. */
@@ -1488,8 +1518,12 @@ 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) {
@@ -1532,7 +1566,7 @@ 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;
@@ -1569,35 +1603,35 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
 		case 3: /* Blinking Underline */
 		case 4: /* Steady Underline */
 			XftDrawRect(xw.draw, &drawcol,
-					borderpx + cx * win.cw,
-					borderpx + (cy + 1) * win.ch - \
+					win.hborderpx + cx * win.cw,
+					win.vborderpx + (cy + 1) * win.ch - \
 						cursorthickness,
 					win.cw, cursorthickness);
 			break;
 		case 5: /* Blinking bar */
 		case 6: /* Steady bar */
 			XftDrawRect(xw.draw, &drawcol,
-					borderpx + cx * win.cw,
-					borderpx + cy * win.ch,
+					win.hborderpx + cx * win.cw,
+					win.vborderpx + cy * win.ch,
 					cursorthickness, win.ch);
 			break;
 		}
 	} else {
 		XftDrawRect(xw.draw, &drawcol,
-				borderpx + cx * win.cw,
-				borderpx + cy * win.ch,
+				win.hborderpx + cx * win.cw,
+				win.vborderpx + cy * win.ch,
 				win.cw - 1, 1);
 		XftDrawRect(xw.draw, &drawcol,
-				borderpx + cx * win.cw,
-				borderpx + cy * win.ch,
+				win.hborderpx + cx * win.cw,
+				win.vborderpx + cy * win.ch,
 				1, win.ch - 1);
 		XftDrawRect(xw.draw, &drawcol,
-				borderpx + (cx + 1) * win.cw - 1,
-				borderpx + cy * win.ch,
+				win.hborderpx + (cx + 1) * win.cw - 1,
+				win.vborderpx + cy * win.ch,
 				1, win.ch - 1);
 		XftDrawRect(xw.draw, &drawcol,
-				borderpx + cx * win.cw,
-				borderpx + (cy + 1) * win.ch - 1,
+				win.hborderpx + cx * win.cw,
+				win.vborderpx + (cy + 1) * win.ch - 1,
 				win.cw, 1);
 	}
 }
@@ -1777,12 +1811,22 @@ focus(XEvent *ev)
 		xseturgency(0);
 		if (IS_SET(MODE_FOCUS))
 			ttywrite("\033[I", 3, 0);
+		if (!focused) {
+			focused = 1;
+			xloadcols();
+			tfulldirt();
+		}
 	} else {
 		if (xw.ime.xic)
 			XUnsetICFocus(xw.ime.xic);
 		win.mode &= ~MODE_FOCUSED;
 		if (IS_SET(MODE_FOCUS))
 			ttywrite("\033[O", 3, 0);
+		if (focused) {
+			focused = 0;
+			xloadcols();
+			tfulldirt();
+		}
 	}
 }
 
@@ -2035,6 +2079,9 @@ main(int argc, char *argv[])
 	case 'a':
 		allowaltscreen = 0;
 		break;
+	case 'A':
+		opt_alpha = EARGF(usage());
+		break;
 	case 'c':
 		opt_class = EARGF(usage());
 		break;
@@ -2086,6 +2133,7 @@ run:
 	XSetLocaleModifiers("");
 	cols = MAX(cols, 1);
 	rows = MAX(rows, 1);
+	defaultbg = MAX(LEN(colorname), 256);
 	tnew(cols, rows);
 	xinit(cols, rows);
 	xsetenv();