Add horizontal separator after info panel (counter)

Close #3029

src/options.go

@@ -69,7 +69,7 @@ const usage = `usage: fzf [options]
                             NEGATIVE_INTEGER: columns from right] (default: 0)
     --margin=MARGIN        Screen margin (TRBL | TB,RL | T,RL,B | T,R,B,L)
     --padding=PADDING      Padding inside border (TRBL | TB,RL | T,RL,B | T,R,B,L)
-    --info=STYLE           Finder info style [default|inline|hidden]
+    --info=STYLE           Finder info style [default|inline|hidden[:nosep]]
     --prompt=STR           Input prompt (default: '> ')
     --pointer=STR          Pointer to the current line (default: '>')
     --marker=STR           Multi-select marker (default: '>')
@@ -169,10 +169,14 @@ const (
 	layoutReverseList
 )
 
-type infoStyle int
+type infoLayout int
+type infoStyle struct {
+	layout    infoLayout
+	separator bool
+}
 
 const (
-	infoDefault infoStyle = iota
+	infoDefault infoLayout = iota
 	infoInline
 	infoHidden
 )
@@ -310,7 +314,7 @@ func defaultOptions() *Options {
 		HscrollOff:  10,
 		ScrollOff:   0,
 		FileWord:    false,
-		InfoStyle:   infoDefault,
+		InfoStyle:   infoStyle{layout: infoDefault, separator: true},
 		JumpLabels:  defaultJumpLabels,
 		Prompt:      "> ",
 		Pointer:     ">",
@@ -813,6 +817,8 @@ func parseTheme(defaultTheme *tui.ColorTheme, str string) *tui.ColorTheme {
 				mergeAttr(&theme.CurrentMatch)
 			case "border":
 				mergeAttr(&theme.Border)
+			case "separator":
+				mergeAttr(&theme.Separator)
 			case "label":
 				mergeAttr(&theme.BorderLabel)
 			case "prompt":
@@ -1214,17 +1220,26 @@ func parseLayout(str string) layoutType {
 }
 
 func parseInfoStyle(str string) infoStyle {
-	switch str {
-	case "default":
-		return infoDefault
-	case "inline":
-		return infoInline
-	case "hidden":
-		return infoHidden
-	default:
-		errorExit("invalid info style (expected: default / inline / hidden)")
+	layout := infoDefault
+	separator := true
+
+	for _, token := range regexp.MustCompile("[,:]").Split(strings.ToLower(str), -1) {
+		switch token {
+		case "default":
+			layout = infoDefault
+		case "inline":
+			layout = infoInline
+		case "hidden":
+			layout = infoHidden
+		case "nosep":
+			separator = false
+		case "sep":
+			separator = true
+		default:
+			errorExit("invalid info style (expected: default|inline|hidden[:nosep])")
+		}
 	}
-	return infoDefault
+	return infoStyle{layout: layout, separator: separator}
 }
 
 func parsePreviewWindow(opts *previewOpts, input string) {
@@ -1486,11 +1501,11 @@ func parseOptions(opts *Options, allArgs []string) {
 			opts.InfoStyle = parseInfoStyle(
 				nextString(allArgs, &i, "info style required"))
 		case "--no-info":
-			opts.InfoStyle = infoHidden
+			opts.InfoStyle.layout = infoHidden
 		case "--inline-info":
-			opts.InfoStyle = infoInline
+			opts.InfoStyle.layout = infoInline
 		case "--no-inline-info":
-			opts.InfoStyle = infoDefault
+			opts.InfoStyle.layout = infoDefault
 		case "--jump-labels":
 			opts.JumpLabels = nextString(allArgs, &i, "label characters required")
 			validateJumpLabels = true

src/terminal.go

@@ -495,7 +495,7 @@ func NewTerminal(opts *Options, eventBox *util.EventBox) *Terminal {
 			if previewBox != nil && opts.Preview.aboveOrBelow() {
 				effectiveMinHeight += 1 + borderLines(opts.Preview.border)
 			}
-			if opts.InfoStyle != infoDefault {
+			if opts.InfoStyle.layout != infoDefault {
 				effectiveMinHeight--
 			}
 			effectiveMinHeight += borderLines(opts.BorderShape)
@@ -677,7 +677,7 @@ func (t *Terminal) parsePrompt(prompt string) (func(), int) {
 }
 
 func (t *Terminal) noInfoLine() bool {
-	return t.infoStyle != infoDefault
+	return t.infoStyle.layout != infoDefault
 }
 
 // Input returns current query string
@@ -1153,7 +1153,7 @@ func (t *Terminal) trimMessage(message string, maxWidth int) string {
 func (t *Terminal) printInfo() {
 	pos := 0
 	line := t.promptLine()
-	switch t.infoStyle {
+	switch t.infoStyle.layout {
 	case infoDefault:
 		t.move(line+1, 0, true)
 		if t.reading {
@@ -1202,8 +1202,17 @@ func (t *Terminal) printInfo() {
 	if t.failed != nil && t.count == 0 {
 		output = fmt.Sprintf("[Command failed: %s]", *t.failed)
 	}
-	output = t.trimMessage(output, t.window.Width()-pos)
+	maxWidth := t.window.Width() - pos
+	output = t.trimMessage(output, maxWidth)
 	t.window.CPrint(tui.ColInfo, output)
+
+	if t.infoStyle.separator && len(output) < maxWidth-2 {
+		bar := "─"
+		if !t.unicode {
+			bar = "-"
+		}
+		t.window.CPrint(tui.ColSeparator, " "+strings.Repeat(bar, maxWidth-len(output)-2))
+	}
 }
 
 func (t *Terminal) printHeader() {

src/tui/tui.go

@@ -267,6 +267,7 @@ type ColorTheme struct {
 	Cursor       ColorAttr
 	Selected     ColorAttr
 	Header       ColorAttr
+	Separator    ColorAttr
 	Border       ColorAttr
 	BorderLabel  ColorAttr
 }
@@ -439,6 +440,7 @@ var (
 	ColSpinner              ColorPair
 	ColInfo                 ColorPair
 	ColHeader               ColorPair
+	ColSeparator            ColorPair
 	ColBorder               ColorPair
 	ColPreview              ColorPair
 	ColPreviewBorder        ColorPair
@@ -465,6 +467,7 @@ func EmptyTheme() *ColorTheme {
 		Cursor:       ColorAttr{colUndefined, AttrUndefined},
 		Selected:     ColorAttr{colUndefined, AttrUndefined},
 		Header:       ColorAttr{colUndefined, AttrUndefined},
+		Separator:    ColorAttr{colUndefined, AttrUndefined},
 		Border:       ColorAttr{colUndefined, AttrUndefined},
 		BorderLabel:  ColorAttr{colUndefined, AttrUndefined},
 	}
@@ -490,6 +493,7 @@ func NoColorTheme() *ColorTheme {
 		Cursor:       ColorAttr{colDefault, AttrRegular},
 		Selected:     ColorAttr{colDefault, AttrRegular},
 		Header:       ColorAttr{colDefault, AttrRegular},
+		Separator:    ColorAttr{colDefault, AttrRegular},
 		Border:       ColorAttr{colDefault, AttrRegular},
 		BorderLabel:  ColorAttr{colDefault, AttrRegular},
 	}
@@ -520,6 +524,7 @@ func init() {
 		Cursor:       ColorAttr{colRed, AttrUndefined},
 		Selected:     ColorAttr{colMagenta, AttrUndefined},
 		Header:       ColorAttr{colCyan, AttrUndefined},
+		Separator:    ColorAttr{colBlack, AttrUndefined},
 		Border:       ColorAttr{colBlack, AttrUndefined},
 		BorderLabel:  ColorAttr{colWhite, AttrUndefined},
 	}
@@ -542,6 +547,7 @@ func init() {
 		Cursor:       ColorAttr{161, AttrUndefined},
 		Selected:     ColorAttr{168, AttrUndefined},
 		Header:       ColorAttr{109, AttrUndefined},
+		Separator:    ColorAttr{59, AttrUndefined},
 		Border:       ColorAttr{59, AttrUndefined},
 		BorderLabel:  ColorAttr{145, AttrUndefined},
 	}
@@ -564,6 +570,7 @@ func init() {
 		Cursor:       ColorAttr{161, AttrUndefined},
 		Selected:     ColorAttr{168, AttrUndefined},
 		Header:       ColorAttr{31, AttrUndefined},
+		Separator:    ColorAttr{145, AttrUndefined},
 		Border:       ColorAttr{145, AttrUndefined},
 		BorderLabel:  ColorAttr{59, AttrUndefined},
 	}
@@ -601,6 +608,7 @@ func initTheme(theme *ColorTheme, baseTheme *ColorTheme, forceBlack bool) {
 	theme.Cursor = o(baseTheme.Cursor, theme.Cursor)
 	theme.Selected = o(baseTheme.Selected, theme.Selected)
 	theme.Header = o(baseTheme.Header, theme.Header)
+	theme.Separator = o(baseTheme.Separator, theme.Separator)
 	theme.Border = o(baseTheme.Border, theme.Border)
 	theme.BorderLabel = o(baseTheme.BorderLabel, theme.BorderLabel)
 
@@ -634,6 +642,7 @@ func initPalette(theme *ColorTheme) {
 	ColSpinner = pair(theme.Spinner, theme.Bg)
 	ColInfo = pair(theme.Info, theme.Bg)
 	ColHeader = pair(theme.Header, theme.Bg)
+	ColSeparator = pair(theme.Separator, theme.Bg)
 	ColBorder = pair(theme.Border, theme.Bg)
 	ColBorderLabel = pair(theme.BorderLabel, theme.Bg)
 	ColPreview = pair(theme.PreviewFg, theme.PreviewBg)