change cursor color based on text

1 files changed, 51 insertions, 59 deletions

diff --git a/sys/cmd/term/x.c b/sys/cmd/term/x.c
index 460bf7f..d6ec1bb 100644
--- a/sys/cmd/term/x.c
+++ b/sys/cmd/term/x.c
@@ -747,8 +747,7 @@ xloadcolor(int i, char *name, Color *ncolor)
 				color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
 				color.green = color.blue = color.red;
 			}
-			return XftColorAllocValue(xw.dpy, xw.vis,
-			                          xw.cmap, &color, ncolor);
+			return XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, ncolor);
 		} else
 			name = colorname[i];
 	}
@@ -811,9 +810,7 @@ xsetcolorname(int x, char *name)
 void
 xclear(int x1, int y1, int x2, int y2)
 {
-	XftDrawRect(xw.draw,
-			&dc.col[IS_SET(Wreverse)? defaultfg : defaultbg],
-			x1, y1, x2-x1, y2-y1);
+	XftDrawRect(xw.draw, &dc.col[IS_SET(Wreverse)? defaultfg : defaultbg], x1, y1, x2-x1, y2-y1);
 }
 
 void
@@ -1133,11 +1130,11 @@ xinit(int cols, int rows)
 
 	/* Events */
 	xw.attrs.background_pixel = dc.col[defaultbg].pixel;
-	xw.attrs.border_pixel = dc.col[defaultbg].pixel;
-	xw.attrs.bit_gravity = NorthWestGravity;
-	xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask
-		| ExposureMask | VisibilityChangeMask | StructureNotifyMask
-		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
+	xw.attrs.border_pixel     = dc.col[defaultbg].pixel;
+	xw.attrs.bit_gravity      = NorthWestGravity;
+	xw.attrs.event_mask       = FocusChangeMask | KeyPressMask | KeyReleaseMask
+                    | ExposureMask | VisibilityChangeMask | StructureNotifyMask
+                    | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
 	xw.attrs.colormap = xw.cmap;
 
 	xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
@@ -1161,10 +1158,8 @@ xinit(int cols, int rows)
 	xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
 
 	/* input methods */
-	if (!ximopen(xw.dpy)) {
-		XRegisterIMInstantiateCallback(xw.dpy, nil, nil, nil,
-	                                       ximinstantiate, nil);
-	}
+	if (!ximopen(xw.dpy))
+		XRegisterIMInstantiateCallback(xw.dpy, nil, nil, nil, ximinstantiate, nil);
 
 	/* white cursor, black outline */
 	cursor = XCreateFontCursor(xw.dpy, mouseshape);
@@ -1184,9 +1179,9 @@ xinit(int cols, int rows)
 
 	XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
 
-	xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
+	xw.xembed      = XInternAtom(xw.dpy, "_XEMBED", False);
 	xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
-	xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
+	xw.netwmname   = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
 	XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
 
 	xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
@@ -1196,6 +1191,7 @@ xinit(int cols, int rows)
 	win.mode = Wnumlock;
 	resettitle();
 	xhints();
+
 	XMapWindow(xw.dpy, xw.win);
 	XSync(xw.dpy, False);
 
@@ -1213,8 +1209,8 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, Letter *glyphs, int len, int x, int
 {
 	float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
 	ushort mode, prevmode = USHRT_MAX;
-	Font *font = &dc.font;
-	int frcflags = FRC_NORMAL;
+	Font *font      = &dc.font;
+	int frcflags    = FRC_NORMAL;
 	float runewidth = win.cw;
 	rune r;
 	FT_UInt glyphidx;
@@ -1255,10 +1251,10 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, Letter *glyphs, int len, int x, int
 		/* Lookup character index with default font. */
 		glyphidx = XftCharIndex(xw.dpy, font->match, r);
 		if (glyphidx) {
-			specs[numspecs].font = font->match;
+			specs[numspecs].font  = font->match;
 			specs[numspecs].glyph = glyphidx;
-			specs[numspecs].x = (short)xp;
-			specs[numspecs].y = (short)yp;
+			specs[numspecs].x     = (short)xp;
+			specs[numspecs].y     = (short)yp;
 			xp += runewidth;
 			numspecs++;
 			continue;
@@ -1361,9 +1357,9 @@ xdrawglyphfontspecs(XftGlyphFontSpec *specs, Letter base, int len, int x, int y)
 
 	if (IS_TRUECOL(base.fg)) {
 		colfg.alpha = 0xffff;
-		colfg.red = TRUERED(base.fg);
+		colfg.red   = TRUERED(base.fg);
 		colfg.green = TRUEGREEN(base.fg);
-		colfg.blue = TRUEBLUE(base.fg);
+		colfg.blue  = TRUEBLUE(base.fg);
 		XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
 		fg = &truefg;
 	} else {
@@ -1373,8 +1369,8 @@ xdrawglyphfontspecs(XftGlyphFontSpec *specs, Letter base, int len, int x, int y)
 	if (IS_TRUECOL(base.bg)) {
 		colbg.alpha = 0xffff;
 		colbg.green = TRUEGREEN(base.bg);
-		colbg.red = TRUERED(base.bg);
-		colbg.blue = TRUEBLUE(base.bg);
+		colbg.red   = TRUERED(base.bg);
+		colbg.blue  = TRUEBLUE(base.bg);
 		XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
 		bg = &truebg;
 	} else {
@@ -1389,42 +1385,37 @@ xdrawglyphfontspecs(XftGlyphFontSpec *specs, Letter base, int len, int x, int y)
 		if (fg == &dc.col[defaultfg]) {
 			fg = &dc.col[defaultbg];
 		} else {
-			colfg.red = ~fg->color.red;
+			colfg.red   = ~fg->color.red;
 			colfg.green = ~fg->color.green;
-			colfg.blue = ~fg->color.blue;
+			colfg.blue  = ~fg->color.blue;
 			colfg.alpha = fg->color.alpha;
-			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
-					&revfg);
+			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
 			fg = &revfg;
 		}
 
 		if (bg == &dc.col[defaultbg]) {
 			bg = &dc.col[defaultfg];
 		} else {
-			colbg.red = ~bg->color.red;
+			colbg.red   = ~bg->color.red;
 			colbg.green = ~bg->color.green;
-			colbg.blue = ~bg->color.blue;
+			colbg.blue  = ~bg->color.blue;
 			colbg.alpha = bg->color.alpha;
-			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
-					&revbg);
+			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &revbg);
 			bg = &revbg;
 		}
 	}
 
 	if ((base.mode & Gboldfaint) == Gfaint) {
-		colfg.red = fg->color.red / 2;
+		colfg.red   = fg->color.red / 2;
 		colfg.green = fg->color.green / 2;
-		colfg.blue = fg->color.blue / 2;
+		colfg.blue  = fg->color.blue / 2;
 		colfg.alpha = fg->color.alpha;
 		XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
 		fg = &revfg;
 	}
 
-	if (base.mode & Greverse) {
-		temp = fg;
-		fg = bg;
-		bg = temp;
-	}
+	if (base.mode & Greverse)
+		temp = fg, fg = bg, bg = temp;
 
 	if (base.mode & Gblink && win.mode & Wblink)
 		fg = bg;
@@ -1451,25 +1442,20 @@ xdrawglyphfontspecs(XftGlyphFontSpec *specs, Letter base, int len, int x, int y)
 	XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
 
 	/* Set the clip region because Xft is sometimes dirty. */
-	r.x = 0;
-	r.y = 0;
+	r.x = 0, r.y = 0;
 	r.height = win.ch;
-	r.width = width;
+	r.width  = width;
 	XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
 
 	/* Render the glyphs. */
 	XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
 
 	/* Render underline and strikethrough. */
-	if (base.mode & Gunline) {
-		XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
-				width, 1);
-	}
+	if (base.mode & Gunline) 
+		XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, width, 1);
 
-	if (base.mode & Gstruck) {
-		XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
-				width, 1);
-	}
+	if (base.mode & Gstruck)
+		XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3, width, 1);
 
 	/* Reset clip to none. */
 	XftDrawSetClip(xw.draw, 0);
@@ -1505,10 +1491,10 @@ xdrawcursor(int cx, int cy, Letter g, int ox, int oy, Letter og)
 
 	if (IS_SET(Wreverse)) {
 		g.mode |= Greverse;
-		g.bg = defaultfg;
+		g.bg    = defaultfg;
 		if (selected(cx, cy)) {
 			drawcol = dc.col[defaultcs];
-			g.fg = defaultrcs;
+			g.fg    = defaultrcs;
 		} else {
 			drawcol = dc.col[defaultrcs];
 			g.fg = defaultcs;
@@ -1518,18 +1504,25 @@ xdrawcursor(int cx, int cy, Letter g, int ox, int oy, Letter og)
 			g.fg = defaultfg;
 			g.bg = defaultrcs;
 		} else {
-			g.fg = defaultbg;
-			g.bg = defaultcs;
+            g.fg = og.bg; //defaultbg;
+            g.bg = og.fg; //defaultcs;
+            if (IS_TRUECOL(og.fg)) {
+                drawcol.color.alpha = 0xffff;
+                drawcol.color.red   = TRUERED(og.fg);
+                drawcol.color.green = TRUEGREEN(og.fg);
+                drawcol.color.blue  = TRUEBLUE(og.fg);
+                goto drawnew;
+            }
 		}
 		drawcol = dc.col[g.bg];
 	}
 
-	/* draw the new one */
+drawnew:
 	if (IS_SET(Wfocused)) {
 		switch (win.cursor) {
 		case 7: /* st extension */
 			g.u = 0x2603; /* snowman (U+2603) */
-			/* FALLTHROUGH */
+			/* fallthrough */
 		case 0: /* Blinking Block */
 		case 1: /* Blinking Block (Default) */
 		case 2: /* Steady Block */
@@ -1539,8 +1532,7 @@ xdrawcursor(int cx, int cy, Letter g, int ox, int oy, Letter og)
 		case 4: /* Steady Underline */
 			XftDrawRect(xw.draw, &drawcol,
 					borderpx + cx * win.cw,
-					borderpx + (cy + 1) * win.ch - \
-						cursorthickness,
+					borderpx + (cy + 1) * win.ch - cursorthickness,
 					win.cw, cursorthickness);
 			break;
 		case 5: /* Blinking bar */