Add support for text styling using --color

Close #1663

CHANGELOG.md

@@ -15,6 +15,13 @@ CHANGELOG
     sleep 0.01
   done'
   ```
+- Extended color specification: supports text styles
+  - `regular` / `bold` / `dim` / `underline` / `italic` / `reverse` / `blink`
+    ```sh
+    rg --line-number --no-heading --color=always "" |
+      fzf --ansi --prompt "Rg: " \
+          --color fg+:italic,hl:underline:-1,hl+:reverse:-1,prompt:reverse
+    ```
 - To indicate if `--multi` mode is enabled, fzf will print the number of
   selected items even when no item is selected
   ```sh

man/man1/fzf.1

@@ -267,11 +267,9 @@ Enable processing of ANSI color codes
 .BI "--tabstop=" SPACES
 Number of spaces for a tab character (default: 8)
 .TP
-.BI "--color=" "[BASE_SCHEME][,COLOR:ANSI]"
+.BI "--color=" "[BASE_SCHEME][,COLOR_NAME[:ANSI_COLOR][:ANSI_ATTRIBUTES]]..."
 Color configuration. The name of the base color scheme is followed by custom
-color mappings. Ansi color code of -1 denotes terminal default
-foreground/background color. You can also specify 24-bit color in \fB#rrggbb\fR
-format.
+color mappings.
 
 .RS
 .B BASE SCHEME:
@@ -282,7 +280,7 @@ format.
     \fB16      \fRColor scheme for 16-color terminal
     \fBbw      \fRNo colors (equivalent to \fB--no-color\fR)
 
-.B COLOR:
+.B COLOR NAMES:
     \fBfg         \fRText
     \fBbg         \fRBackground
     \fBpreview-fg \fRPreview window text
@@ -300,10 +298,24 @@ format.
     \fBspinner    \fRStreaming input indicator
     \fBheader     \fRHeader
 
+.B ANSI COLORS:
+    \fB-1         \fRDefault terminal foreground/background color
+    \fB           \fR(or the original color of the text)
+    \fB0 ~ 15     \fR16 base colors
+    \fB16 ~ 255   \fRANSI 256 colors
+    \fB#rrggbb    \fR24-bit colors
+
+.B ANSI ATTRIBUTES: (Only applies to foreground colors)
+    \fBregular    \fRClears previously set attributes; should precede the other ones
+    \fBbold\fR
+    \fBunderline\fR
+    \fBitalic\fR
+    \fBreverse\fR
+
 .B EXAMPLES:
 
      \fB# Seoul256 theme with 8-bit colors
-     # (https://github.com/junegunn/seoul256.vim) 
+     # (https://github.com/junegunn/seoul256.vim)
      fzf --color='bg:237,bg+:236,info:143,border:240,spinner:108' \\
          --color='hl:65,fg:252,header:65,fg+:252' \\
          --color='pointer:161,marker:168,prompt:110,hl+:108'

src/core.go

@@ -66,7 +66,7 @@ func Run(opts *Options, revision string) {
 
 	var lineAnsiState, prevLineAnsiState *ansiState
 	if opts.Ansi {
-		if opts.Theme != nil {
+		if opts.Theme.Colored {
 			ansiProcessor = func(data []byte) (util.Chars, *[]ansiOffset) {
 				prevLineAnsiState = lineAnsiState
 				trimmed, offsets, newState := extractColor(string(data), lineAnsiState, nil)
@@ -102,7 +102,7 @@ func Run(opts *Options, revision string) {
 	} else {
 		chunkList = NewChunkList(func(item *Item, data []byte) bool {
 			tokens := Tokenize(string(data), opts.Delimiter)
-			if opts.Ansi && opts.Theme != nil && len(tokens) > 1 {
+			if opts.Ansi && opts.Theme.Colored && len(tokens) > 1 {
 				var ansiState *ansiState
 				if prevLineAnsiState != nil {
 					ansiStateDup := *prevLineAnsiState

src/options.go

@@ -590,11 +590,8 @@ func parseTiebreak(str string) []criterion {
 }
 
 func dupeTheme(theme *tui.ColorTheme) *tui.ColorTheme {
-	if theme != nil {
-		dupe := *theme
-		return &dupe
-	}
-	return nil
+	dupe := *theme
+	return &dupe
 }
 
 func parseTheme(defaultTheme *tui.ColorTheme, str string) *tui.ColorTheme {
@@ -619,54 +616,76 @@ func parseTheme(defaultTheme *tui.ColorTheme, str string) *tui.ColorTheme {
 				continue
 			}
 
-			pair := strings.Split(str, ":")
-			if len(pair) != 2 {
+			components := strings.Split(str, ":")
+			if len(components) < 2 {
 				fail()
 			}
 
-			var ansi tui.Color
-			if rrggbb.MatchString(pair[1]) {
-				ansi = tui.HexToColor(pair[1])
-			} else {
-				ansi32, err := strconv.Atoi(pair[1])
-				if err != nil || ansi32 < -1 || ansi32 > 255 {
-					fail()
+			cattr := tui.NewColorAttr()
+			for _, component := range components[1:] {
+				switch component {
+				case "regular":
+					cattr.Attr = tui.AttrRegular
+				case "bold", "strong":
+					cattr.Attr |= tui.Bold
+				case "dim":
+					cattr.Attr |= tui.Dim
+				case "italic":
+					cattr.Attr |= tui.Italic
+				case "underline":
+					cattr.Attr |= tui.Underline
+				case "blink":
+					cattr.Attr |= tui.Blink
+				case "reverse":
+					cattr.Attr |= tui.Reverse
+				case "":
+				default:
+					if rrggbb.MatchString(component) {
+						cattr.Color = tui.HexToColor(component)
+					} else {
+						ansi32, err := strconv.Atoi(component)
+						if err != nil || ansi32 < -1 || ansi32 > 255 {
+							fail()
+						}
+						cattr.Color = tui.Color(ansi32)
+					}
 				}
-				ansi = tui.Color(ansi32)
 			}
-			switch pair[0] {
+			switch components[0] {
+			case "input":
+				theme.Input = cattr
 			case "fg":
-				theme.Fg = ansi
+				theme.Fg = cattr
 			case "bg":
-				theme.Bg = ansi
+				theme.Bg = cattr
 			case "preview-fg":
-				theme.PreviewFg = ansi
+				theme.PreviewFg = cattr
 			case "preview-bg":
-				theme.PreviewBg = ansi
+				theme.PreviewBg = cattr
 			case "fg+":
-				theme.Current = ansi
+				theme.Current = cattr
 			case "bg+":
-				theme.DarkBg = ansi
+				theme.DarkBg = cattr
 			case "gutter":
-				theme.Gutter = ansi
+				theme.Gutter = cattr
 			case "hl":
-				theme.Match = ansi
+				theme.Match = cattr
 			case "hl+":
-				theme.CurrentMatch = ansi
+				theme.CurrentMatch = cattr
 			case "border":
-				theme.Border = ansi
+				theme.Border = cattr
 			case "prompt":
-				theme.Prompt = ansi
+				theme.Prompt = cattr
 			case "spinner":
-				theme.Spinner = ansi
+				theme.Spinner = cattr
 			case "info":
-				theme.Info = ansi
+				theme.Info = cattr
 			case "pointer":
-				theme.Cursor = ansi
+				theme.Cursor = cattr
 			case "marker":
-				theme.Selected = ansi
+				theme.Selected = cattr
 			case "header":
-				theme.Header = ansi
+				theme.Header = cattr
 			default:
 				fail()
 			}
@@ -1180,7 +1199,7 @@ func parseOptions(opts *Options, allArgs []string) {
 		case "--no-mouse":
 			opts.Mouse = false
 		case "+c", "--no-color":
-			opts.Theme = nil
+			opts.Theme = tui.NoColorTheme()
 		case "+2", "--no-256":
 			opts.Theme = tui.Default16
 		case "--black":
@@ -1478,6 +1497,25 @@ func postProcessOptions(opts *Options) {
 			}
 		}
 	}
+
+	if opts.Bold {
+		theme := opts.Theme
+		boldify := func(c tui.ColorAttr) tui.ColorAttr {
+			dup := c
+			if !theme.Colored {
+				dup.Attr |= tui.Bold
+			} else if (c.Attr & tui.AttrRegular) == 0 {
+				dup.Attr |= tui.Bold
+			}
+			return dup
+		}
+		theme.Current = boldify(theme.Current)
+		theme.CurrentMatch = boldify(theme.CurrentMatch)
+		theme.Prompt = boldify(theme.Prompt)
+		theme.Input = boldify(theme.Input)
+		theme.Cursor = boldify(theme.Cursor)
+		theme.Spinner = boldify(theme.Spinner)
+	}
 }
 
 // ParseOptions parses command-line options

src/options_test.go

@@ -295,7 +295,7 @@ func TestColorSpec(t *testing.T) {
 	}
 
 	customized := parseTheme(theme, "fg:231,bg:232")
-	if customized.Fg != 231 || customized.Bg != 232 {
+	if customized.Fg.Color != 231 || customized.Bg.Color != 232 {
 		t.Errorf("color not customized")
 	}
 	if *tui.Dark256 == *customized {
@@ -313,18 +313,6 @@ func TestColorSpec(t *testing.T) {
 	}
 }
 
-func TestParseNilTheme(t *testing.T) {
-	var theme *tui.ColorTheme
-	newTheme := parseTheme(theme, "prompt:12")
-	if newTheme != nil {
-		t.Errorf("color is disabled. keep it that way.")
-	}
-	newTheme = parseTheme(theme, "prompt:12,dark,prompt:13")
-	if newTheme.Prompt != 13 {
-		t.Errorf("color should now be enabled and customized")
-	}
-}
-
 func TestDefaultCtrlNP(t *testing.T) {
 	check := func(words []string, key int, expected actionType) {
 		opts := defaultOptions()

src/result.go

@@ -15,7 +15,6 @@ type Offset [2]int32
 type colorOffset struct {
 	offset [2]int32
 	color  tui.ColorPair
-	attr   tui.Attr
 }
 
 type Result struct {
@@ -87,14 +86,14 @@ func minRank() Result {
 	return Result{item: &minItem, points: [4]uint16{math.MaxUint16, 0, 0, 0}}
 }
 
-func (result *Result) colorOffsets(matchOffsets []Offset, theme *tui.ColorTheme, color tui.ColorPair, attr tui.Attr, current bool) []colorOffset {
+func (result *Result) colorOffsets(matchOffsets []Offset, theme *tui.ColorTheme, colBase tui.ColorPair, colMatch tui.ColorPair, current bool) []colorOffset {
 	itemColors := result.item.Colors()
 
-	// No ANSI code, or --color=no
+	// No ANSI codes
 	if len(itemColors) == 0 {
 		var offsets []colorOffset
 		for _, off := range matchOffsets {
-			offsets = append(offsets, colorOffset{offset: [2]int32{off[0], off[1]}, color: color, attr: attr})
+			offsets = append(offsets, colorOffset{offset: [2]int32{off[0], off[1]}, color: colMatch})
 		}
 		return offsets
 	}
@@ -111,17 +110,19 @@ func (result *Result) colorOffsets(matchOffsets []Offset, theme *tui.ColorTheme,
 			maxCol = ansi.offset[1]
 		}
 	}
-	cols := make([]int, maxCol)
 
+	cols := make([]int, maxCol)
 	for colorIndex, ansi := range itemColors {
 		for i := ansi.offset[0]; i < ansi.offset[1]; i++ {
-			cols[i] = colorIndex + 1 // XXX
+			cols[i] = colorIndex + 1 // 1-based index of itemColors
 		}
 	}
 
 	for _, off := range matchOffsets {
 		for i := off[0]; i < off[1]; i++ {
-			cols[i] = -1
+			// Negative of 1-based index of itemColors
+			// - The extra -1 means highlighted
+			cols[i] = cols[i]*-1 - 1
 		}
 	}
 
@@ -133,36 +134,41 @@ func (result *Result) colorOffsets(matchOffsets []Offset, theme *tui.ColorTheme,
 	// --++++++++--  --++++++++++---
 	curr := 0
 	start := 0
+	ansiToColorPair := func(ansi ansiOffset, base tui.ColorPair) tui.ColorPair {
+		fg := ansi.color.fg
+		bg := ansi.color.bg
+		if fg == -1 {
+			if current {
+				fg = theme.Current.Color
+			} else {
+				fg = theme.Fg.Color
+			}
+		}
+		if bg == -1 {
+			if current {
+				bg = theme.DarkBg.Color
+			} else {
+				bg = theme.Bg.Color
+			}
+		}
+		return tui.NewColorPair(fg, bg, ansi.color.attr).MergeAttr(base)
+	}
 	var colors []colorOffset
 	add := func(idx int) {
 		if curr != 0 && idx > start {
-			if curr == -1 {
+			if curr < 0 {
+				color := colMatch
+				if curr < -1 && theme.Colored {
+					origColor := ansiToColorPair(itemColors[-curr-2], colMatch)
+					color = origColor.MergeNonDefault(color)
+				}
 				colors = append(colors, colorOffset{
-					offset: [2]int32{int32(start), int32(idx)}, color: color, attr: attr})
+					offset: [2]int32{int32(start), int32(idx)}, color: color})
 			} else {
 				ansi := itemColors[curr-1]
-				fg := ansi.color.fg
-				bg := ansi.color.bg
-				if theme != nil {
-					if fg == -1 {
-						if current {
-							fg = theme.Current
-						} else {
-							fg = theme.Fg
-						}
-					}
-					if bg == -1 {
-						if current {
-							bg = theme.DarkBg
-						} else {
-							bg = theme.Bg
-						}
-					}
-				}
 				colors = append(colors, colorOffset{
 					offset: [2]int32{int32(start), int32(idx)},
-					color:  tui.NewColorPair(fg, bg),
-					attr:   ansi.color.attr.Merge(attr)})
+					color:  ansiToColorPair(ansi, colBase)})
 			}
 		}
 	}

src/result_test.go

@@ -105,32 +105,55 @@ func TestColorOffset(t *testing.T) {
 	//   ++++++++        ++++++++++
 	// --++++++++--    --++++++++++---
 
-	offsets := []Offset{Offset{5, 15}, Offset{25, 35}}
+	offsets := []Offset{{5, 15}, {25, 35}}
 	item := Result{
 		item: &Item{
 			colors: &[]ansiOffset{
-				ansiOffset{[2]int32{0, 20}, ansiState{1, 5, 0}},
-				ansiOffset{[2]int32{22, 27}, ansiState{2, 6, tui.Bold}},
-				ansiOffset{[2]int32{30, 32}, ansiState{3, 7, 0}},
-				ansiOffset{[2]int32{33, 40}, ansiState{4, 8, tui.Bold}}}}}
-	// [{[0 5] 9 false} {[5 15] 99 false} {[15 20] 9 false} {[22 25] 10 true} {[25 35] 99 false} {[35 40] 11 true}]
-
-	pair := tui.NewColorPair(99, 199)
-	colors := item.colorOffsets(offsets, tui.Dark256, pair, tui.AttrRegular, true)
-	assert := func(idx int, b int32, e int32, c tui.ColorPair, bold bool) {
-		var attr tui.Attr
-		if bold {
-			attr = tui.Bold
-		}
+				{[2]int32{0, 20}, ansiState{1, 5, 0}},
+				{[2]int32{22, 27}, ansiState{2, 6, tui.Bold}},
+				{[2]int32{30, 32}, ansiState{3, 7, 0}},
+				{[2]int32{33, 40}, ansiState{4, 8, tui.Bold}}}}}
+
+	colBase := tui.NewColorPair(89, 189, tui.AttrUndefined)
+	colMatch := tui.NewColorPair(99, 199, tui.AttrUndefined)
+	colors := item.colorOffsets(offsets, tui.Dark256, colBase, colMatch, true)
+	assert := func(idx int, b int32, e int32, c tui.ColorPair) {
 		o := colors[idx]
-		if o.offset[0] != b || o.offset[1] != e || o.color != c || o.attr != attr {
-			t.Error(o)
+		if o.offset[0] != b || o.offset[1] != e || o.color != c {
+			t.Error(o, b, e, c)
 		}
 	}
-	assert(0, 0, 5, tui.NewColorPair(1, 5), false)
-	assert(1, 5, 15, pair, false)
-	assert(2, 15, 20, tui.NewColorPair(1, 5), false)
-	assert(3, 22, 25, tui.NewColorPair(2, 6), true)
-	assert(4, 25, 35, pair, false)
-	assert(5, 35, 40, tui.NewColorPair(4, 8), true)
+	// [{[0 5] {1 5 0}} {[5 15] {99 199 0}} {[15 20] {1 5 0}}
+	//  {[22 25] {2 6 1}} {[25 27] {99 199 1}} {[27 30] {99 199 0}}
+	//  {[30 32] {99 199 0}} {[32 33] {99 199 0}} {[33 35] {99 199 1}}
+	//  {[35 40] {4 8 1}}]
+	assert(0, 0, 5, tui.NewColorPair(1, 5, tui.AttrUndefined))
+	assert(1, 5, 15, colMatch)
+	assert(2, 15, 20, tui.NewColorPair(1, 5, tui.AttrUndefined))
+	assert(3, 22, 25, tui.NewColorPair(2, 6, tui.Bold))
+	assert(4, 25, 27, colMatch.WithAttr(tui.Bold))
+	assert(5, 27, 30, colMatch)
+	assert(6, 30, 32, colMatch)
+	assert(7, 32, 33, colMatch) // TODO: Should we merge consecutive blocks?
+	assert(8, 33, 35, colMatch.WithAttr(tui.Bold))
+	assert(9, 35, 40, tui.NewColorPair(4, 8, tui.Bold))
+
+	colRegular := tui.NewColorPair(-1, -1, tui.AttrUndefined)
+	colUnderline := tui.NewColorPair(-1, -1, tui.Underline)
+	colors = item.colorOffsets(offsets, tui.Dark256, colRegular, colUnderline, true)
+
+	// [{[0 5] {1 5 0}} {[5 15] {1 5 8}} {[15 20] {1 5 0}}
+	//  {[22 25] {2 6 1}} {[25 27] {2 6 9}} {[27 30] {-1 -1 8}}
+	//  {[30 32] {3 7 8}} {[32 33] {-1 -1 8}} {[33 35] {4 8 9}}
+	//  {[35 40] {4 8 1}}]
+	assert(0, 0, 5, tui.NewColorPair(1, 5, tui.AttrUndefined))
+	assert(1, 5, 15, tui.NewColorPair(1, 5, tui.Underline))
+	assert(2, 15, 20, tui.NewColorPair(1, 5, tui.AttrUndefined))
+	assert(3, 22, 25, tui.NewColorPair(2, 6, tui.Bold))
+	assert(4, 25, 27, tui.NewColorPair(2, 6, tui.Bold|tui.Underline))
+	assert(5, 27, 30, colUnderline)
+	assert(6, 30, 32, tui.NewColorPair(3, 7, tui.Underline))
+	assert(7, 32, 33, colUnderline)
+	assert(8, 33, 35, tui.NewColorPair(4, 8, tui.Bold|tui.Underline))
+	assert(9, 35, 40, tui.NewColorPair(4, 8, tui.Bold))
 }

src/terminal.go

@@ -23,6 +23,7 @@ import (
 
 var placeholder *regexp.Regexp
 var numericPrefix *regexp.Regexp
+var whiteSuffix *regexp.Regexp
 var activeTempFiles []string
 
 const ellipsis string = ".."
@@ -31,6 +32,7 @@ const clearCode string = "\x1b[2J"
 func init() {
 	placeholder = regexp.MustCompile(`\\?(?:{[+sf]*[0-9,-.]*}|{q}|{\+?f?nf?})`)
 	numericPrefix = regexp.MustCompile(`^[[:punct:]]*([0-9]+)`)
+	whiteSuffix = regexp.MustCompile(`\s*$`)
 	activeTempFiles = []string{}
 }
 
@@ -515,9 +517,29 @@ func (t *Terminal) parsePrompt(prompt string) (func(), int) {
 	var state *ansiState
 	trimmed, colors, _ := extractColor(prompt, state, nil)
 	item := &Item{text: util.ToChars([]byte(trimmed)), colors: colors}
+
+	// "Prompt>  "
+	//  -------    // Do not apply ANSI attributes to the trailing whitespaces
+	//             // unless the part has a non-default ANSI state
+	loc := whiteSuffix.FindStringIndex(trimmed)
+	if loc != nil {
+		blankState := ansiOffset{[2]int32{int32(loc[0]), int32(loc[1])}, ansiState{-1, -1, tui.AttrClear}}
+		if item.colors != nil {
+			lastColor := (*item.colors)[len(*item.colors)-1]
+			fmt.Println(lastColor.offset[1], int32(loc[1]))
+			if lastColor.offset[1] < int32(loc[1]) {
+				blankState.offset[0] = lastColor.offset[1]
+				colors := append(*item.colors, blankState)
+				item.colors = &colors
+			}
+		} else {
+			colors := []ansiOffset{blankState}
+			item.colors = &colors
+		}
+	}
 	output := func() {
 		t.printHighlighted(
-			Result{item: item}, t.strong, tui.ColPrompt, tui.ColPrompt, false, false)
+			Result{item: item}, tui.ColPrompt, tui.ColPrompt, false, false)
 	}
 	_, promptLen := t.processTabs([]rune(trimmed), 0)
 
@@ -839,8 +861,8 @@ func (t *Terminal) printPrompt() {
 	t.prompt()
 
 	before, after := t.updatePromptOffset()
-	t.window.CPrint(tui.ColNormal, t.strong, string(before))
-	t.window.CPrint(tui.ColNormal, t.strong, string(after))
+	t.window.CPrint(tui.ColInput, string(before))
+	t.window.CPrint(tui.ColInput, string(after))
 }
 
 func (t *Terminal) trimMessage(message string, maxWidth int) string {
@@ -859,7 +881,7 @@ func (t *Terminal) printInfo() {
 		if t.reading {
 			duration := int64(spinnerDuration)
 			idx := (time.Now().UnixNano() % (duration * int64(len(t.spinner)))) / duration
-			t.window.CPrint(tui.ColSpinner, t.strong, t.spinner[idx])
+			t.window.CPrint(tui.ColSpinner, t.spinner[idx])
 		}
 		t.move(1, 2, false)
 		pos = 2
@@ -870,9 +892,9 @@ func (t *Terminal) printInfo() {
 		}
 		t.move(0, pos, true)
 		if t.reading {
-			t.window.CPrint(tui.ColSpinner, t.strong, " < ")
+			t.window.CPrint(tui.ColSpinner, " < ")
 		} else {
-			t.window.CPrint(tui.ColPrompt, t.strong, " < ")
+			t.window.CPrint(tui.ColPrompt, " < ")
 		}
 		pos += len(" < ")
 	case infoHidden:
@@ -903,7 +925,7 @@ func (t *Terminal) printInfo() {
 		output = fmt.Sprintf("[Command failed: %s]", *t.failed)
 	}
 	output = t.trimMessage(output, t.window.Width()-pos)
-	t.window.CPrint(tui.ColInfo, 0, output)
+	t.window.CPrint(tui.ColInfo, output)
 }
 
 func (t *Terminal) printHeader() {
@@ -928,7 +950,7 @@ func (t *Terminal) printHeader() {
 
 		t.move(line, 2, true)
 		t.printHighlighted(Result{item: item},
-			tui.AttrRegular, tui.ColHeader, tui.ColHeader, false, false)
+			tui.ColHeader, tui.ColHeader, false, false)
 	}
 }
 
@@ -958,7 +980,7 @@ func (t *Terminal) printList() {
 func (t *Terminal) printItem(result Result, line int, i int, current bool) {
 	item := result.item
 	_, selected := t.selected[item.Index()]
-	label := t.pointerEmpty
+	label := ""
 	if t.jumping != jumpDisabled {
 		if i < len(t.jumpLabels) {
 			// Striped
@@ -983,21 +1005,29 @@ func (t *Terminal) printItem(result Result, line int, i int, current bool) {
 
 	t.move(line, 0, false)
 	if current {
-		t.window.CPrint(tui.ColCurrentCursor, t.strong, label)
+		if len(label) == 0 {
+			t.window.CPrint(tui.ColCurrentCursorEmpty, t.pointerEmpty)
+		} else {
+			t.window.CPrint(tui.ColCurrentCursor, label)
+		}
 		if selected {
-			t.window.CPrint(tui.ColCurrentSelected, t.strong, t.marker)
+			t.window.CPrint(tui.ColCurrentSelected, t.marker)
 		} else {
-			t.window.CPrint(tui.ColCurrentSelected, t.strong, t.markerEmpty)
+			t.window.CPrint(tui.ColCurrentSelectedEmpty, t.markerEmpty)
 		}
-		newLine.width = t.printHighlighted(result, t.strong, tui.ColCurrent, tui.ColCurrentMatch, true, true)
+		newLine.width = t.printHighlighted(result, tui.ColCurrent, tui.ColCurrentMatch, true, true)
 	} else {
-		t.window.CPrint(tui.ColCursor, t.strong, label)
+		if len(label) == 0 {
+			t.window.CPrint(tui.ColCursorEmpty, t.pointerEmpty)
+		} else {
+			t.window.CPrint(tui.ColCursor, label)
+		}
 		if selected {
-			t.window.CPrint(tui.ColSelected, t.strong, t.marker)
+			t.window.CPrint(tui.ColSelected, t.marker)
 		} else {
 			t.window.Print(t.markerEmpty)
 		}
-		newLine.width = t.printHighlighted(result, 0, tui.ColNormal, tui.ColMatch, false, true)
+		newLine.width = t.printHighlighted(result, tui.ColNormal, tui.ColMatch, false, true)
 	}
 	fillSpaces := prevLine.width - newLine.width
 	if fillSpaces > 0 {
@@ -1051,7 +1081,7 @@ func (t *Terminal) overflow(runes []rune, max int) bool {
 	return t.displayWidthWithLimit(runes, 0, max) > max
 }
 
-func (t *Terminal) printHighlighted(result Result, attr tui.Attr, col1 tui.ColorPair, col2 tui.ColorPair, current bool, match bool) int {
+func (t *Terminal) printHighlighted(result Result, colBase tui.ColorPair, colMatch tui.ColorPair, current bool, match bool) int {
 	item := result.item
 
 	// Overflow
@@ -1076,7 +1106,7 @@ func (t *Terminal) printHighlighted(result Result, attr tui.Attr, col1 tui.Color
 		maxe = util.Max(maxe, int(offset[1]))
 	}
 
-	offsets := result.colorOffsets(charOffsets, t.theme, col2, attr, current)
+	offsets := result.colorOffsets(charOffsets, t.theme, colBase, colMatch, current)
 	maxWidth := t.window.Width() - (t.pointerLen + t.markerLen + 1)
 	maxe = util.Constrain(maxe+util.Min(maxWidth/2-2, t.hscrollOff), 0, len(text))
 	displayWidth := t.displayWidthWithLimit(text, 0, maxWidth)
@@ -1134,11 +1164,11 @@ func (t *Terminal) printHighlighted(result Result, attr tui.Attr, col1 tui.Color
 		e := util.Constrain32(offset.offset[1], index, maxOffset)
 
 		substr, prefixWidth = t.processTabs(text[index:b], prefixWidth)
-		t.window.CPrint(col1, attr, substr)
+		t.window.CPrint(colBase, substr)
 
 		if b < e {
 			substr, prefixWidth = t.processTabs(text[b:e], prefixWidth)
-			t.window.CPrint(offset.color, offset.attr, substr)
+			t.window.CPrint(offset.color, substr)
 		}
 
 		index = e
@@ -1148,7 +1178,7 @@ func (t *Terminal) printHighlighted(result Result, attr tui.Attr, col1 tui.Color
 	}
 	if index < maxOffset {
 		substr, _ = t.processTabs(text[index:], prefixWidth)
-		t.window.CPrint(col1, attr, substr)
+		t.window.CPrint(colBase, substr)
 	}
 	return displayWidth
 }
@@ -1161,7 +1191,7 @@ func (t *Terminal) renderPreviewSpinner() {
 		if !t.previewer.scrollable {
 			if maxWidth > 0 {
 				t.pwindow.Move(0, maxWidth-1)
-				t.pwindow.CPrint(tui.ColSpinner, t.strong, spin)
+				t.pwindow.CPrint(tui.ColSpinner, spin)
 			}
 		} else {
 			offsetString := fmt.Sprintf("%d/%d", t.previewer.offset+1, numLines)
@@ -1173,8 +1203,8 @@ func (t *Terminal) renderPreviewSpinner() {
 			pos := maxWidth - t.displayWidth(offsetRunes)
 			t.pwindow.Move(0, pos)
 			if maxWidth > 0 {
-				t.pwindow.CPrint(tui.ColSpinner, t.strong, spin)
-				t.pwindow.CPrint(tui.ColInfo, tui.Reverse, string(offsetRunes))
+				t.pwindow.CPrint(tui.ColSpinner, spin)
+				t.pwindow.CPrint(tui.ColInfo.WithAttr(tui.Reverse), string(offsetRunes))
 			}
 		}
 	}
@@ -1185,7 +1215,7 @@ func (t *Terminal) renderPreviewText(unchanged bool) {
 	lineNo := -t.previewer.offset
 	height := t.pwindow.Height()
 	if unchanged {
-		t.pwindow.Move(0, 0)
+		t.pwindow.MoveAndClear(0, 0)
 	} else {
 		t.previewed.filled = false
 		t.pwindow.Erase()
@@ -1205,7 +1235,7 @@ func (t *Terminal) renderPreviewText(unchanged bool) {
 				}
 				str, width := t.processTabs(trimmed, prefixWidth)
 				prefixWidth += width
-				if t.theme != nil && ansi != nil && ansi.colored() {
+				if t.theme.Colored && ansi != nil && ansi.colored() {
 					fillRet = t.pwindow.CFill(ansi.fg, ansi.bg, ansi.attr, str)
 				} else {
 					fillRet = t.pwindow.CFill(tui.ColPreview.Fg(), tui.ColPreview.Bg(), tui.AttrRegular, str)
@@ -1258,7 +1288,7 @@ func (t *Terminal) printPreviewDelayed() {
 	message := t.trimMessage("Loading ..", t.pwindow.Width())
 	pos := t.pwindow.Width() - len(message)
 	t.pwindow.Move(0, pos)
-	t.pwindow.CPrint(tui.ColInfo, tui.Reverse, message)
+	t.pwindow.CPrint(tui.ColInfo.WithAttr(tui.Reverse), message)
 }
 
 func (t *Terminal) processTabs(runes []rune, prefixWidth int) (string, int) {

src/tui/dummy.go

@@ -15,14 +15,17 @@ func (a Attr) Merge(b Attr) Attr {
 }
 
 const (
-	AttrRegular Attr = Attr(0)
-	Bold             = Attr(1)
-	Dim              = Attr(1 << 1)
-	Italic           = Attr(1 << 2)
-	Underline        = Attr(1 << 3)
-	Blink            = Attr(1 << 4)
-	Blink2           = Attr(1 << 5)
-	Reverse          = Attr(1 << 6)
+	AttrUndefined = Attr(0)
+	AttrRegular   = Attr(1 << 7)
+	AttrClear     = Attr(1 << 8)
+
+	Bold      = Attr(1)
+	Dim       = Attr(1 << 1)
+	Italic    = Attr(1 << 2)
+	Underline = Attr(1 << 3)
+	Blink     = Attr(1 << 4)
+	Blink2    = Attr(1 << 5)
+	Reverse   = Attr(1 << 6)
 )
 
 func (r *FullscreenRenderer) Init()             {}

src/tui/light.go

@@ -627,7 +627,7 @@ func (r *LightRenderer) MaxY() int {
 func (r *LightRenderer) NewWindow(top int, left int, width int, height int, preview bool, borderStyle BorderStyle) Window {
 	w := &LightWindow{
 		renderer: r,
-		colored:  r.theme != nil,
+		colored:  r.theme.Colored,
 		preview:  preview,
 		border:   borderStyle,
 		top:      top,
@@ -637,14 +637,12 @@ func (r *LightRenderer) NewWindow(top int, left int, width int, height int, prev
 		tabstop:  r.tabstop,
 		fg:       colDefault,
 		bg:       colDefault}
-	if r.theme != nil {
-		if preview {
-			w.fg = r.theme.PreviewFg
-			w.bg = r.theme.PreviewBg
-		} else {
-			w.fg = r.theme.Fg
-			w.bg = r.theme.Bg
-		}
+	if preview {
+		w.fg = r.theme.PreviewFg.Color
+		w.bg = r.theme.PreviewBg.Color
+	} else {
+		w.fg = r.theme.Fg.Color
+		w.bg = r.theme.Bg.Color
 	}
 	w.drawBorder()
 	return w
@@ -661,9 +659,9 @@ func (w *LightWindow) drawBorder() {
 
 func (w *LightWindow) drawBorderHorizontal() {
 	w.Move(0, 0)
-	w.CPrint(ColBorder, AttrRegular, repeat(w.border.horizontal, w.width))
+	w.CPrint(ColBorder, repeat(w.border.horizontal, w.width))
 	w.Move(w.height-1, 0)
-	w.CPrint(ColBorder, AttrRegular, repeat(w.border.horizontal, w.width))
+	w.CPrint(ColBorder, repeat(w.border.horizontal, w.width))
 }
 
 func (w *LightWindow) drawBorderAround() {
@@ -672,17 +670,15 @@ func (w *LightWindow) drawBorderAround() {
 	if w.preview {
 		color = ColPreviewBorder
 	}
-	w.CPrint(color, AttrRegular,
-		string(w.border.topLeft)+repeat(w.border.horizontal, w.width-2)+string(w.border.topRight))
+	w.CPrint(color, string(w.border.topLeft)+repeat(w.border.horizontal, w.width-2)+string(w.border.topRight))
 	for y := 1; y < w.height-1; y++ {
 		w.Move(y, 0)
-		w.CPrint(color, AttrRegular, string(w.border.vertical))
-		w.CPrint(color, AttrRegular, repeat(' ', w.width-2))
-		w.CPrint(color, AttrRegular, string(w.border.vertical))
+		w.CPrint(color, string(w.border.vertical))
+		w.CPrint(color, repeat(' ', w.width-2))
+		w.CPrint(color, string(w.border.vertical))
 	}
 	w.Move(w.height-1, 0)
-	w.CPrint(color, AttrRegular,
-		string(w.border.bottomLeft)+repeat(w.border.horizontal, w.width-2)+string(w.border.bottomRight))
+	w.CPrint(color, string(w.border.bottomLeft)+repeat(w.border.horizontal, w.width-2)+string(w.border.bottomRight))
 }
 
 func (w *LightWindow) csi(code string) {
@@ -745,6 +741,9 @@ func (w *LightWindow) MoveAndClear(y int, x int) {
 
 func attrCodes(attr Attr) []string {
 	codes := []string{}
+	if (attr & AttrClear) > 0 {
+		return codes
+	}
 	if (attr & Bold) > 0 {
 		codes = append(codes, "1")
 	}
@@ -804,12 +803,8 @@ func cleanse(str string) string {
 	return strings.Replace(str, "\x1b", "", -1)
 }
 
-func (w *LightWindow) CPrint(pair ColorPair, attr Attr, text string) {
-	if !w.colored {
-		w.csiColor(colDefault, colDefault, attrFor(pair, attr))
-	} else {
-		w.csiColor(pair.Fg(), pair.Bg(), attr)
-	}
+func (w *LightWindow) CPrint(pair ColorPair, text string) {
+	w.csiColor(pair.Fg(), pair.Bg(), pair.Attr())
 	w.stderrInternal(cleanse(text), false)
 	w.csi("m")
 }

src/tui/tcell.go

@@ -77,11 +77,13 @@ const (
 	Blink          = Attr(tcell.AttrBlink)
 	Reverse        = Attr(tcell.AttrReverse)
 	Underline      = Attr(tcell.AttrUnderline)
-	Italic         = Attr(tcell.AttrNone) // Not supported
+	Italic         = Attr(tcell.AttrItalic)
 )
 
 const (
-	AttrRegular Attr = 0
+	AttrUndefined = Attr(0)
+	AttrRegular   = Attr(1 << 7)
+	AttrClear     = Attr(1 << 8)
 )
 
 func (r *FullscreenRenderer) defaultTheme() *ColorTheme {
@@ -414,7 +416,7 @@ func (r *FullscreenRenderer) NewWindow(top int, left int, width int, height int,
 		normal = ColPreview
 	}
 	return &TcellWindow{
-		color:       r.theme != nil,
+		color:       r.theme.Colored,
 		preview:     preview,
 		top:         top,
 		left:        left,
@@ -460,27 +462,23 @@ func (w *TcellWindow) MoveAndClear(y int, x int) {
 }
 
 func (w *TcellWindow) Print(text string) {
-	w.printString(text, w.normal, 0)
+	w.printString(text, w.normal)
 }
 
-func (w *TcellWindow) printString(text string, pair ColorPair, a Attr) {
+func (w *TcellWindow) printString(text string, pair ColorPair) {
 	t := text
 	lx := 0
+	a := pair.Attr()
 
-	var style tcell.Style
-	if w.color {
-		style = pair.style().
+	style := pair.style()
+	if a&AttrClear == 0 {
+		style = style.
 			Reverse(a&Attr(tcell.AttrReverse) != 0).
-			Underline(a&Attr(tcell.AttrUnderline) != 0)
-	} else {
-		style = w.normal.style().
-			Reverse(a&Attr(tcell.AttrReverse) != 0 || pair == ColCurrent || pair == ColCurrentMatch).
-			Underline(a&Attr(tcell.AttrUnderline) != 0 || pair == ColMatch || pair == ColCurrentMatch)
+			Underline(a&Attr(tcell.AttrUnderline) != 0).
+			Italic(a&Attr(tcell.AttrItalic) != 0).
+			Blink(a&Attr(tcell.AttrBlink) != 0).
+			Dim(a&Attr(tcell.AttrDim) != 0)
 	}
-	style = style.
-		Blink(a&Attr(tcell.AttrBlink) != 0).
-		Bold(a&Attr(tcell.AttrBold) != 0).
-		Dim(a&Attr(tcell.AttrDim) != 0)
 
 	for {
 		if len(t) == 0 {
@@ -513,8 +511,8 @@ func (w *TcellWindow) printString(text string, pair ColorPair, a Attr) {
 	w.lastX += lx
 }
 
-func (w *TcellWindow) CPrint(pair ColorPair, attr Attr, text string) {
-	w.printString(text, pair, attr)
+func (w *TcellWindow) CPrint(pair ColorPair, text string) {
+	w.printString(text, pair)
 }
 
 func (w *TcellWindow) fillString(text string, pair ColorPair, a Attr) FillReturn {
@@ -531,7 +529,8 @@ func (w *TcellWindow) fillString(text string, pair ColorPair, a Attr) FillReturn
 		Bold(a&Attr(tcell.AttrBold) != 0).
 		Dim(a&Attr(tcell.AttrDim) != 0).
 		Reverse(a&Attr(tcell.AttrReverse) != 0).
-		Underline(a&Attr(tcell.AttrUnderline) != 0)
+		Underline(a&Attr(tcell.AttrUnderline) != 0).
+		Italic(a&Attr(tcell.AttrItalic) != 0)
 
 	for _, r := range text {
 		if r == '\n' {
@@ -574,7 +573,7 @@ func (w *TcellWindow) CFill(fg Color, bg Color, a Attr, str string) FillReturn {
 	if bg == colDefault {
 		bg = w.normal.Bg()
 	}
-	return w.fillString(str, NewColorPair(fg, bg), a)
+	return w.fillString(str, NewColorPair(fg, bg, a), a)
 }
 
 func (w *TcellWindow) drawBorder() {

src/tui/tui.go

@@ -123,6 +123,15 @@ func (c Color) is24() bool {
 	return c > 0 && (c&(1<<24)) > 0
 }
 
+type ColorAttr struct {
+	Color Color
+	Attr  Attr
+}
+
+func NewColorAttr() ColorAttr {
+	return ColorAttr{Color: colUndefined, Attr: AttrUndefined}
+}
+
 const (
 	colUndefined Color = -2
 	colDefault   Color = -1
@@ -148,9 +157,9 @@ const (
 )
 
 type ColorPair struct {
-	fg Color
-	bg Color
-	id int
+	fg   Color
+	bg   Color
+	attr Attr
 }
 
 func HexToColor(rrggbb string) Color {
@@ -160,8 +169,8 @@ func HexToColor(rrggbb string) Color {
 	return Color((1 << 24) + (r << 16) + (g << 8) + b)
 }
 
-func NewColorPair(fg Color, bg Color) ColorPair {
-	return ColorPair{fg, bg, -1}
+func NewColorPair(fg Color, bg Color, attr Attr) ColorPair {
+	return ColorPair{fg, bg, attr}
 }
 
 func (p ColorPair) Fg() Color {
@@ -172,23 +181,59 @@ func (p ColorPair) Bg() Color {
 	return p.bg
 }
 
+func (p ColorPair) Attr() Attr {
+	return p.attr
+}
+
+func (p ColorPair) merge(other ColorPair, except Color) ColorPair {
+	dup := p
+	dup.attr = dup.attr.Merge(other.attr)
+	if other.fg != except {
+		dup.fg = other.fg
+	}
+	if other.bg != except {
+		dup.bg = other.bg
+	}
+	return dup
+}
+
+func (p ColorPair) WithAttr(attr Attr) ColorPair {
+	dup := p
+	dup.attr = dup.attr.Merge(attr)
+	return dup
+}
+
+func (p ColorPair) MergeAttr(other ColorPair) ColorPair {
+	return p.WithAttr(other.attr)
+}
+
+func (p ColorPair) Merge(other ColorPair) ColorPair {
+	return p.merge(other, colUndefined)
+}
+
+func (p ColorPair) MergeNonDefault(other ColorPair) ColorPair {
+	return p.merge(other, colDefault)
+}
+
 type ColorTheme struct {
-	Fg           Color
-	Bg           Color
-	PreviewFg    Color
-	PreviewBg    Color
-	DarkBg       Color
-	Gutter       Color
-	Prompt       Color
-	Match        Color
-	Current      Color
-	CurrentMatch Color
-	Spinner      Color
-	Info         Color
-	Cursor       Color
-	Selected     Color
-	Header       Color
-	Border       Color
+	Colored      bool
+	Input        ColorAttr
+	Fg           ColorAttr
+	Bg           ColorAttr
+	PreviewFg    ColorAttr
+	PreviewBg    ColorAttr
+	DarkBg       ColorAttr
+	Gutter       ColorAttr
+	Prompt       ColorAttr
+	Match        ColorAttr
+	Current      ColorAttr
+	CurrentMatch ColorAttr
+	Spinner      ColorAttr
+	Info         ColorAttr
+	Cursor       ColorAttr
+	Selected     ColorAttr
+	Header       ColorAttr
+	Border       ColorAttr
 }
 
 type Event struct {
@@ -307,7 +352,7 @@ type Window interface {
 	Move(y int, x int)
 	MoveAndClear(y int, x int)
 	Print(text string)
-	CPrint(color ColorPair, attr Attr, text string)
+	CPrint(color ColorPair, text string)
 	Fill(text string) FillReturn
 	CFill(fg Color, bg Color, attr Attr, text string) FillReturn
 	Erase()
@@ -336,41 +381,69 @@ var (
 	Dark256   *ColorTheme
 	Light256  *ColorTheme
 
-	ColPrompt          ColorPair
-	ColNormal          ColorPair
-	ColMatch           ColorPair
-	ColCursor          ColorPair
-	ColSelected        ColorPair
-	ColCurrent         ColorPair
-	ColCurrentMatch    ColorPair
-	ColCurrentCursor   ColorPair
-	ColCurrentSelected ColorPair
-	ColSpinner         ColorPair
-	ColInfo            ColorPair
-	ColHeader          ColorPair
-	ColBorder          ColorPair
-	ColPreview         ColorPair
-	ColPreviewBorder   ColorPair
+	ColPrompt               ColorPair
+	ColNormal               ColorPair
+	ColInput                ColorPair
+	ColMatch                ColorPair
+	ColCursor               ColorPair
+	ColCursorEmpty          ColorPair
+	ColSelected             ColorPair
+	ColCurrent              ColorPair
+	ColCurrentMatch         ColorPair
+	ColCurrentCursor        ColorPair
+	ColCurrentCursorEmpty   ColorPair
+	ColCurrentSelected      ColorPair
+	ColCurrentSelectedEmpty ColorPair
+	ColSpinner              ColorPair
+	ColInfo                 ColorPair
+	ColHeader               ColorPair
+	ColBorder               ColorPair
+	ColPreview              ColorPair
+	ColPreviewBorder        ColorPair
 )
 
 func EmptyTheme() *ColorTheme {
 	return &ColorTheme{
-		Fg:           colUndefined,
-		Bg:           colUndefined,
-		PreviewFg:    colUndefined,
-		PreviewBg:    colUndefined,
-		DarkBg:       colUndefined,
-		Gutter:       colUndefined,
-		Prompt:       colUndefined,
-		Match:        colUndefined,
-		Current:      colUndefined,
-		CurrentMatch: colUndefined,
-		Spinner:      colUndefined,
-		Info:         colUndefined,
-		Cursor:       colUndefined,
-		Selected:     colUndefined,
-		Header:       colUndefined,
-		Border:       colUndefined}
+		Colored:      true,
+		Input:        ColorAttr{colUndefined, AttrUndefined},
+		Fg:           ColorAttr{colUndefined, AttrUndefined},
+		Bg:           ColorAttr{colUndefined, AttrUndefined},
+		PreviewFg:    ColorAttr{colUndefined, AttrUndefined},
+		PreviewBg:    ColorAttr{colUndefined, AttrUndefined},
+		DarkBg:       ColorAttr{colUndefined, AttrUndefined},
+		Gutter:       ColorAttr{colUndefined, AttrUndefined},
+		Prompt:       ColorAttr{colUndefined, AttrUndefined},
+		Match:        ColorAttr{colUndefined, AttrUndefined},
+		Current:      ColorAttr{colUndefined, AttrUndefined},
+		CurrentMatch: ColorAttr{colUndefined, AttrUndefined},
+		Spinner:      ColorAttr{colUndefined, AttrUndefined},
+		Info:         ColorAttr{colUndefined, AttrUndefined},
+		Cursor:       ColorAttr{colUndefined, AttrUndefined},
+		Selected:     ColorAttr{colUndefined, AttrUndefined},
+		Header:       ColorAttr{colUndefined, AttrUndefined},
+		Border:       ColorAttr{colUndefined, AttrUndefined}}
+}
+
+func NoColorTheme() *ColorTheme {
+	return &ColorTheme{
+		Colored:      false,
+		Input:        ColorAttr{colDefault, AttrRegular},
+		Fg:           ColorAttr{colDefault, AttrRegular},
+		Bg:           ColorAttr{colDefault, AttrRegular},
+		PreviewFg:    ColorAttr{colDefault, AttrRegular},
+		PreviewBg:    ColorAttr{colDefault, AttrRegular},
+		DarkBg:       ColorAttr{colDefault, AttrRegular},
+		Gutter:       ColorAttr{colDefault, AttrRegular},
+		Prompt:       ColorAttr{colDefault, AttrRegular},
+		Match:        ColorAttr{colDefault, Underline},
+		Current:      ColorAttr{colDefault, Reverse},
+		CurrentMatch: ColorAttr{colDefault, Reverse | Underline},
+		Spinner:      ColorAttr{colDefault, AttrRegular},
+		Info:         ColorAttr{colDefault, AttrRegular},
+		Cursor:       ColorAttr{colDefault, AttrRegular},
+		Selected:     ColorAttr{colDefault, AttrRegular},
+		Header:       ColorAttr{colDefault, AttrRegular},
+		Border:       ColorAttr{colDefault, AttrRegular}}
 }
 
 func errorExit(message string) {
@@ -380,74 +453,80 @@ func errorExit(message string) {
 
 func init() {
 	Default16 = &ColorTheme{
-		Fg:           colDefault,
-		Bg:           colDefault,
-		PreviewFg:    colUndefined,
-		PreviewBg:    colUndefined,
-		DarkBg:       colBlack,
-		Gutter:       colUndefined,
-		Prompt:       colBlue,
-		Match:        colGreen,
-		Current:      colYellow,
-		CurrentMatch: colGreen,
-		Spinner:      colGreen,
-		Info:         colWhite,
-		Cursor:       colRed,
-		Selected:     colMagenta,
-		Header:       colCyan,
-		Border:       colBlack}
+		Colored:      true,
+		Input:        ColorAttr{colDefault, AttrUndefined},
+		Fg:           ColorAttr{colDefault, AttrUndefined},
+		Bg:           ColorAttr{colDefault, AttrUndefined},
+		PreviewFg:    ColorAttr{colUndefined, AttrUndefined},
+		PreviewBg:    ColorAttr{colUndefined, AttrUndefined},
+		DarkBg:       ColorAttr{colBlack, AttrUndefined},
+		Gutter:       ColorAttr{colUndefined, AttrUndefined},
+		Prompt:       ColorAttr{colBlue, AttrUndefined},
+		Match:        ColorAttr{colGreen, AttrUndefined},
+		Current:      ColorAttr{colYellow, AttrUndefined},
+		CurrentMatch: ColorAttr{colGreen, AttrUndefined},
+		Spinner:      ColorAttr{colGreen, AttrUndefined},
+		Info:         ColorAttr{colWhite, AttrUndefined},
+		Cursor:       ColorAttr{colRed, AttrUndefined},
+		Selected:     ColorAttr{colMagenta, AttrUndefined},
+		Header:       ColorAttr{colCyan, AttrUndefined},
+		Border:       ColorAttr{colBlack, AttrUndefined}}
 	Dark256 = &ColorTheme{
-		Fg:           colDefault,
-		Bg:           colDefault,
-		PreviewFg:    colUndefined,
-		PreviewBg:    colUndefined,
-		DarkBg:       236,
-		Gutter:       colUndefined,
-		Prompt:       110,
-		Match:        108,
-		Current:      254,
-		CurrentMatch: 151,
-		Spinner:      148,
-		Info:         144,
-		Cursor:       161,
-		Selected:     168,
-		Header:       109,
-		Border:       59}
+		Colored:      true,
+		Input:        ColorAttr{colDefault, AttrUndefined},
+		Fg:           ColorAttr{colDefault, AttrUndefined},
+		Bg:           ColorAttr{colDefault, AttrUndefined},
+		PreviewFg:    ColorAttr{colUndefined, AttrUndefined},
+		PreviewBg:    ColorAttr{colUndefined, AttrUndefined},
+		DarkBg:       ColorAttr{236, AttrUndefined},
+		Gutter:       ColorAttr{colUndefined, AttrUndefined},
+		Prompt:       ColorAttr{110, AttrUndefined},
+		Match:        ColorAttr{108, AttrUndefined},
+		Current:      ColorAttr{254, AttrUndefined},
+		CurrentMatch: ColorAttr{151, AttrUndefined},
+		Spinner:      ColorAttr{148, AttrUndefined},
+		Info:         ColorAttr{144, AttrUndefined},
+		Cursor:       ColorAttr{161, AttrUndefined},
+		Selected:     ColorAttr{168, AttrUndefined},
+		Header:       ColorAttr{109, AttrUndefined},
+		Border:       ColorAttr{59, AttrUndefined}}
 	Light256 = &ColorTheme{
-		Fg:           colDefault,
-		Bg:           colDefault,
-		PreviewFg:    colUndefined,
-		PreviewBg:    colUndefined,
-		DarkBg:       251,
-		Gutter:       colUndefined,
-		Prompt:       25,
-		Match:        66,
-		Current:      237,
-		CurrentMatch: 23,
-		Spinner:      65,
-		Info:         101,
-		Cursor:       161,
-		Selected:     168,
-		Header:       31,
-		Border:       145}
+		Colored:      true,
+		Input:        ColorAttr{colDefault, AttrUndefined},
+		Fg:           ColorAttr{colDefault, AttrUndefined},
+		Bg:           ColorAttr{colDefault, AttrUndefined},
+		PreviewFg:    ColorAttr{colUndefined, AttrUndefined},
+		PreviewBg:    ColorAttr{colUndefined, AttrUndefined},
+		DarkBg:       ColorAttr{251, AttrUndefined},
+		Gutter:       ColorAttr{colUndefined, AttrUndefined},
+		Prompt:       ColorAttr{25, AttrUndefined},
+		Match:        ColorAttr{66, AttrUndefined},
+		Current:      ColorAttr{237, AttrUndefined},
+		CurrentMatch: ColorAttr{23, AttrUndefined},
+		Spinner:      ColorAttr{65, AttrUndefined},
+		Info:         ColorAttr{101, AttrUndefined},
+		Cursor:       ColorAttr{161, AttrUndefined},
+		Selected:     ColorAttr{168, AttrUndefined},
+		Header:       ColorAttr{31, AttrUndefined},
+		Border:       ColorAttr{145, AttrUndefined}}
 }
 
 func initTheme(theme *ColorTheme, baseTheme *ColorTheme, forceBlack bool) {
-	if theme == nil {
-		initPalette(theme)
-		return
-	}
-
 	if forceBlack {
-		theme.Bg = colBlack
+		theme.Bg = ColorAttr{colBlack, AttrUndefined}
 	}
 
-	o := func(a Color, b Color) Color {
-		if b == colUndefined {
-			return a
+	o := func(a ColorAttr, b ColorAttr) ColorAttr {
+		c := a
+		if b.Color != colUndefined {
+			c.Color = b.Color
 		}
-		return b
+		if b.Attr != AttrUndefined {
+			c.Attr = b.Attr
+		}
+		return c
 	}
+	theme.Input = o(baseTheme.Input, theme.Input)
 	theme.Fg = o(baseTheme.Fg, theme.Fg)
 	theme.Bg = o(baseTheme.Bg, theme.Bg)
 	theme.PreviewFg = o(theme.Fg, o(baseTheme.PreviewFg, theme.PreviewFg))
@@ -469,54 +548,29 @@ func initTheme(theme *ColorTheme, baseTheme *ColorTheme, forceBlack bool) {
 }
 
 func initPalette(theme *ColorTheme) {
-	idx := 0
-	pair := func(fg, bg Color) ColorPair {
-		idx++
-		return ColorPair{fg, bg, idx}
-	}
-	if theme != nil {
-		ColPrompt = pair(theme.Prompt, theme.Bg)
-		ColNormal = pair(theme.Fg, theme.Bg)
-		ColMatch = pair(theme.Match, theme.Bg)
-		ColCursor = pair(theme.Cursor, theme.Gutter)
-		ColSelected = pair(theme.Selected, theme.Gutter)
-		ColCurrent = pair(theme.Current, theme.DarkBg)
-		ColCurrentMatch = pair(theme.CurrentMatch, theme.DarkBg)
-		ColCurrentCursor = pair(theme.Cursor, theme.DarkBg)
-		ColCurrentSelected = pair(theme.Selected, theme.DarkBg)
-		ColSpinner = pair(theme.Spinner, theme.Bg)
-		ColInfo = pair(theme.Info, theme.Bg)
-		ColHeader = pair(theme.Header, theme.Bg)
-		ColBorder = pair(theme.Border, theme.Bg)
-		ColPreview = pair(theme.PreviewFg, theme.PreviewBg)
-		ColPreviewBorder = pair(theme.Border, theme.PreviewBg)
-	} else {
-		ColPrompt = pair(colDefault, colDefault)
-		ColNormal = pair(colDefault, colDefault)
-		ColMatch = pair(colDefault, colDefault)
-		ColCursor = pair(colDefault, colDefault)
-		ColSelected = pair(colDefault, colDefault)
-		ColCurrent = pair(colDefault, colDefault)
-		ColCurrentMatch = pair(colDefault, colDefault)
-		ColCurrentCursor = pair(colDefault, colDefault)
-		ColCurrentSelected = pair(colDefault, colDefault)
-		ColSpinner = pair(colDefault, colDefault)
-		ColInfo = pair(colDefault, colDefault)
-		ColHeader = pair(colDefault, colDefault)
-		ColBorder = pair(colDefault, colDefault)
-		ColPreview = pair(colDefault, colDefault)
-		ColPreviewBorder = pair(colDefault, colDefault)
-	}
-}
-
-func attrFor(color ColorPair, attr Attr) Attr {
-	switch color {
-	case ColCurrent:
-		return attr | Reverse
-	case ColMatch:
-		return attr | Underline
-	case ColCurrentMatch:
-		return attr | Underline | Reverse
+	pair := func(fg, bg ColorAttr) ColorPair {
+		return ColorPair{fg.Color, bg.Color, fg.Attr}
 	}
-	return attr
+	blank := theme.Fg
+	blank.Attr = AttrRegular
+
+	ColPrompt = pair(theme.Prompt, theme.Bg)
+	ColNormal = pair(theme.Fg, theme.Bg)
+	ColInput = pair(theme.Input, theme.Bg)
+	ColMatch = pair(theme.Match, theme.Bg)
+	ColCursor = pair(theme.Cursor, theme.Gutter)
+	ColCursorEmpty = pair(blank, theme.Gutter)
+	ColSelected = pair(theme.Selected, theme.Gutter)
+	ColCurrent = pair(theme.Current, theme.DarkBg)
+	ColCurrentMatch = pair(theme.CurrentMatch, theme.DarkBg)
+	ColCurrentCursor = pair(theme.Cursor, theme.DarkBg)
+	ColCurrentCursorEmpty = pair(blank, theme.DarkBg)
+	ColCurrentSelected = pair(theme.Selected, theme.DarkBg)
+	ColCurrentSelectedEmpty = pair(blank, theme.DarkBg)
+	ColSpinner = pair(theme.Spinner, theme.Bg)
+	ColInfo = pair(theme.Info, theme.Bg)
+	ColHeader = pair(theme.Header, theme.Bg)
+	ColBorder = pair(theme.Border, theme.Bg)
+	ColPreview = pair(theme.PreviewFg, theme.PreviewBg)
+	ColPreviewBorder = pair(theme.Border, theme.PreviewBg)
 }