Different marker for the first and last line of multi-line entries

Can be configured via `--marker-multi-line`

CHANGELOG.md

@@ -10,6 +10,12 @@ CHANGELOG
   ```
     - To disable multi-line display, use `--no-multi-line`
 - The default `--pointer` and `--marker` have been changed from `>` to Unicode bar characters as they look better with multi-line items
+- Added `--marker-multi-line` to customize the select marker for multi-line entries with the default set to `╻┃╹`
+  ```
+  ╻First line
+  ┃...
+  ╹Last line
+  ```
 - Native `--tmux` integration to replace fzf-tmux script
   ```sh
   # --tmux [center|top|bottom|left|right][,SIZE[%]][,SIZE[%]]

man/man1/fzf.1

@@ -455,6 +455,10 @@ Pointer to the current line (default: '▌' or '>' depending on \fB--no-unicode\
 .BI "--marker=" "STR"
 Multi-select marker (default: '┃' or '>' depending on \fB--no-unicode\fR)
 .TP
+.BI "--marker-multi-line=" "STR"
+Multi-select marker for multi-line entries. 3 elements for top, middle, and bottom.
+(default: '╻┃╹' or '.|'' depending on \fB--no-unicode\fR)
+.TP
 .BI "--header=" "STR"
 The given string will be printed as the sticky header. The lines are displayed
 in the given order from top to bottom regardless of \fB--layout\fR option, and

src/options.go

@@ -27,136 +27,137 @@ Author: Junegunn Choi <junegunn.c@gmail.com>
 Usage: fzf [options]
 
   Search
-    -x, --extended         Extended-search mode
-                           (enabled by default; +x or --no-extended to disable)
-    -e, --exact            Enable Exact-match
-    -i, --ignore-case      Case-insensitive match (default: smart-case match)
-    +i, --no-ignore-case   Case-sensitive match
-    --scheme=SCHEME        Scoring scheme [default|path|history]
-    --literal              Do not normalize latin script letters before matching
-    -n, --nth=N[,..]       Comma-separated list of field index expressions
-                           for limiting search scope. Each can be a non-zero
-                           integer or a range expression ([BEGIN]..[END]).
-    --with-nth=N[,..]      Transform the presentation of each line using
-                           field index expressions
-    -d, --delimiter=STR    Field delimiter regex (default: AWK-style)
-    +s, --no-sort          Do not sort the result
-    --track                Track the current selection when the result is updated
-    --tac                  Reverse the order of the input
-    --disabled             Do not perform search
-    --tiebreak=CRI[,..]    Comma-separated list of sort criteria to apply
-                           when the scores are tied [length|chunk|begin|end|index]
-                           (default: length)
-
+    -x, --extended          Extended-search mode
+                            (enabled by default; +x or --no-extended to disable)
+    -e, --exact             Enable Exact-match
+    -i, --ignore-case       Case-insensitive match (default: smart-case match)
+    +i, --no-ignore-case    Case-sensitive match
+    --scheme=SCHEME         Scoring scheme [default|path|history]
+    --literal               Do not normalize latin script letters before matching
+    -n, --nth=N[,..]        Comma-separated list of field index expressions
+                            for limiting search scope. Each can be a non-zero
+                            integer or a range expression ([BEGIN]..[END]).
+    --with-nth=N[,..]       Transform the presentation of each line using
+                            field index expressions
+    -d, --delimiter=STR     Field delimiter regex (default: AWK-style)
+    +s, --no-sort           Do not sort the result
+    --track                 Track the current selection when the result is updated
+    --tac                   Reverse the order of the input
+    --disabled              Do not perform search
+    --tiebreak=CRI[,..]     Comma-separated list of sort criteria to apply
+                            when the scores are tied [length|chunk|begin|end|index]
+                            (default: length)
   Interface
-    -m, --multi[=MAX]      Enable multi-select with tab/shift-tab
-    --no-mouse             Disable mouse
-    --bind=KEYBINDS        Custom key bindings. Refer to the man page.
-    --cycle                Enable cyclic scroll
-    --no-multi-line        Disable multi-line display of items when using --read0
-    --keep-right           Keep the right end of the line visible on overflow
-    --scroll-off=LINES     Number of screen lines to keep above or below when
-                           scrolling to the top or to the bottom (default: 0)
-    --no-hscroll           Disable horizontal scroll
-    --hscroll-off=COLS     Number of screen columns to keep to the right of the
-                           highlighted substring (default: 10)
-    --filepath-word        Make word-wise movements respect path separators
-    --jump-labels=CHARS    Label characters for jump mode
+    -m, --multi[=MAX]       Enable multi-select with tab/shift-tab
+    --no-mouse              Disable mouse
+    --bind=KEYBINDS         Custom key bindings. Refer to the man page.
+    --cycle                 Enable cyclic scroll
+    --no-multi-line         Disable multi-line display of items when using --read0
+    --keep-right            Keep the right end of the line visible on overflow
+    --scroll-off=LINES      Number of screen lines to keep above or below when
+                            scrolling to the top or to the bottom (default: 0)
+    --no-hscroll            Disable horizontal scroll
+    --hscroll-off=COLS      Number of screen columns to keep to the right of the
+                            highlighted substring (default: 10)
+    --filepath-word         Make word-wise movements respect path separators
+    --jump-labels=CHARS     Label characters for jump mode
 
   Layout
-    --height=[~]HEIGHT[%]  Display fzf window below the cursor with the given
-                           height instead of using fullscreen.
-                           A negative value is calculated as the terminal height
-                           minus the given value.
-                           If prefixed with '~', fzf will determine the height
-                           according to the input size.
-    --min-height=HEIGHT    Minimum height when --height is given in percent
-                           (default: 10)
-    --tmux=OPTS            Start fzf in a tmux popup (requires tmux 3.3+)
-                           [center|top|bottom|left|right][,SIZE[%]][,SIZE[%]]
-    --layout=LAYOUT        Choose layout: [default|reverse|reverse-list]
-    --border[=STYLE]       Draw border around the finder
-                           [rounded|sharp|bold|block|thinblock|double|horizontal|vertical|
-                            top|bottom|left|right|none] (default: rounded)
-    --border-label=LABEL   Label to print on the border
-    --border-label-pos=COL Position of the border label
-                           [POSITIVE_INTEGER: columns from left|
-                            NEGATIVE_INTEGER: columns from right][:bottom]
-                           (default: 0 or center)
-    --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|right|hidden|inline[-right][:PREFIX]]
-    --separator=STR        String to form horizontal separator on info line
-    --no-separator         Hide info line separator
-    --scrollbar[=C1[C2]]   Scrollbar character(s) (each for main and preview window)
-    --no-scrollbar         Hide scrollbar
-    --prompt=STR           Input prompt (default: '> ')
-    --pointer=STR          Pointer to the current line (default: '▌' or '>')
-    --marker=STR           Multi-select marker (default: '┃' or '>')
-    --header=STR           String to print as header
-    --header-lines=N       The first N lines of the input are treated as header
-    --header-first         Print header before the prompt line
-    --ellipsis=STR         Ellipsis to show when line is truncated (default: '..')
+    --height=[~]HEIGHT[%]   Display fzf window below the cursor with the given
+                            height instead of using fullscreen.
+                            A negative value is calculated as the terminal height
+                            minus the given value.
+                            If prefixed with '~', fzf will determine the height
+                            according to the input size.
+    --min-height=HEIGHT     Minimum height when --height is given in percent
+                            (default: 10)
+    --tmux=OPTS             Start fzf in a tmux popup (requires tmux 3.3+)
+                            [center|top|bottom|left|right][,SIZE[%]][,SIZE[%]]
+    --layout=LAYOUT         Choose layout: [default|reverse|reverse-list]
+    --border[=STYLE]        Draw border around the finder
+                            [rounded|sharp|bold|block|thinblock|double|horizontal|vertical|
+                             top|bottom|left|right|none] (default: rounded)
+    --border-label=LABEL    Label to print on the border
+    --border-label-pos=COL  Position of the border label
+                            [POSITIVE_INTEGER: columns from left|
+                             NEGATIVE_INTEGER: columns from right][:bottom]
+                            (default: 0 or center)
+    --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|right|hidden|inline[-right][:PREFIX]]
+    --separator=STR         String to form horizontal separator on info line
+    --no-separator          Hide info line separator
+    --scrollbar[=C1[C2]]    Scrollbar character(s) (each for main and preview window)
+    --no-scrollbar          Hide scrollbar
+    --prompt=STR            Input prompt (default: '> ')
+    --pointer=STR           Pointer to the current line (default: '▌' or '>')
+    --marker=STR            Multi-select marker (default: '┃' or '>')
+    --marker-multi-line=STR Multi-select marker for multi-line entries;
+                            3 elements for top, middle, and bottom (default: '╻┃╹')
+    --header=STR            String to print as header
+    --header-lines=N        The first N lines of the input are treated as header
+    --header-first          Print header before the prompt line
+    --ellipsis=STR          Ellipsis to show when line is truncated (default: '..')
 
   Display
-    --ansi                 Enable processing of ANSI color codes
-    --tabstop=SPACES       Number of spaces for a tab character (default: 8)
-    --color=COLSPEC        Base scheme (dark|light|16|bw) and/or custom colors
-    --highlight-line       Highlight the whole current line
-    --no-bold              Do not use bold text
+    --ansi                  Enable processing of ANSI color codes
+    --tabstop=SPACES        Number of spaces for a tab character (default: 8)
+    --color=COLSPEC         Base scheme (dark|light|16|bw) and/or custom colors
+    --highlight-line        Highlight the whole current line
+    --no-bold               Do not use bold text
 
   History
-    --history=FILE         History file
-    --history-size=N       Maximum number of history entries (default: 1000)
+    --history=FILE          History file
+    --history-size=N        Maximum number of history entries (default: 1000)
 
   Preview
-    --preview=COMMAND      Command to preview highlighted line ({})
-    --preview-window=OPT   Preview window layout (default: right:50%)
-                           [up|down|left|right][,SIZE[%]]
-                           [,[no]wrap][,[no]cycle][,[no]follow][,[no]hidden]
-                           [,border-BORDER_OPT]
-                           [,+SCROLL[OFFSETS][/DENOM]][,~HEADER_LINES]
-                           [,default][,<SIZE_THRESHOLD(ALTERNATIVE_LAYOUT)]
+    --preview=COMMAND       Command to preview highlighted line ({})
+    --preview-window=OPT    Preview window layout (default: right:50%)
+                            [up|down|left|right][,SIZE[%]]
+                            [,[no]wrap][,[no]cycle][,[no]follow][,[no]hidden]
+                            [,border-BORDER_OPT]
+                            [,+SCROLL[OFFSETS][/DENOM]][,~HEADER_LINES]
+                            [,default][,<SIZE_THRESHOLD(ALTERNATIVE_LAYOUT)]
     --preview-label=LABEL
-    --preview-label-pos=N  Same as --border-label and --border-label-pos,
-                           but for preview window
+    --preview-label-pos=N   Same as --border-label and --border-label-pos,
+                            but for preview window
 
   Scripting
-    -q, --query=STR        Start the finder with the given query
-    -1, --select-1         Automatically select the only match
-    -0, --exit-0           Exit immediately when there's no match
-    -f, --filter=STR       Filter mode. Do not start interactive finder.
-    --print-query          Print query as the first line
-    --expect=KEYS          Comma-separated list of keys to complete fzf
-    --read0                Read input delimited by ASCII NUL characters
-    --print0               Print output delimited by ASCII NUL characters
-    --sync                 Synchronous search for multi-staged filtering
-    --with-shell=STR       Shell command and flags to start child processes with
-    --listen[=[ADDR:]PORT] Start HTTP server to receive actions (POST /)
-                           (To allow remote process execution, use --listen-unsafe)
+    -q, --query=STR         Start the finder with the given query
+    -1, --select-1          Automatically select the only match
+    -0, --exit-0            Exit immediately when there's no match
+    -f, --filter=STR        Filter mode. Do not start interactive finder.
+    --print-query           Print query as the first line
+    --expect=KEYS           Comma-separated list of keys to complete fzf
+    --read0                 Read input delimited by ASCII NUL characters
+    --print0                Print output delimited by ASCII NUL characters
+    --sync                  Synchronous search for multi-staged filtering
+    --with-shell=STR        Shell command and flags to start child processes with
+    --listen[=[ADDR:]PORT]  Start HTTP server to receive actions (POST /)
+                            (To allow remote process execution, use --listen-unsafe)
 
-  Directory traversal      (Only used when $FZF_DEFAULT_COMMAND is not set)
-    --walker=OPTS          [file][,dir][,follow][,hidden] (default: file,follow,hidden)
-    --walker-root=DIR      Root directory from which to start walker (default: .)
-    --walker-skip=DIRS     Comma-separated list of directory names to skip
-                           (default: .git,node_modules)
+  Directory traversal       (Only used when $FZF_DEFAULT_COMMAND is not set)
+    --walker=OPTS           [file][,dir][,follow][,hidden] (default: file,follow,hidden)
+    --walker-root=DIR       Root directory from which to start walker (default: .)
+    --walker-skip=DIRS      Comma-separated list of directory names to skip
+                            (default: .git,node_modules)
 
   Shell integration
-    --bash                 Print script to set up Bash shell integration
-    --zsh                  Print script to set up Zsh shell integration
-    --fish                 Print script to set up Fish shell integration
+    --bash                  Print script to set up Bash shell integration
+    --zsh                   Print script to set up Zsh shell integration
+    --fish                  Print script to set up Fish shell integration
 
   Help
-    --version              Display version information and exit
-    --help                 Show this message
-    --man                  Show man page
+    --version               Display version information and exit
+    --help                  Show this message
+    --man                   Show man page
 
   Environment variables
-    FZF_DEFAULT_COMMAND    Default command to use when input is tty
-    FZF_DEFAULT_OPTS       Default options (e.g. '--layout=reverse --info=inline')
-    FZF_DEFAULT_OPTS_FILE  Location of the file to read default options from
-    FZF_API_KEY            X-API-Key header for HTTP server (--listen)
+    FZF_DEFAULT_COMMAND     Default command to use when input is tty
+    FZF_DEFAULT_OPTS        Default options (e.g. '--layout=reverse --info=inline')
+    FZF_DEFAULT_OPTS_FILE   Location of the file to read default options from
+    FZF_API_KEY             X-API-Key header for HTTP server (--listen)
 
 `
 
@@ -438,6 +439,7 @@ type Options struct {
 	Prompt       string
 	Pointer      *string
 	Marker       *string
+	MarkerMulti  [3]string
 	Query        string
 	Select1      bool
 	Exit0        bool
@@ -1847,6 +1849,37 @@ func parseMargin(opt string, margin string) ([4]sizeSpec, error) {
 	return [4]sizeSpec{}, errors.New("invalid " + opt + ": " + margin)
 }
 
+func parseMarkerMultiLine(str string) ([3]string, error) {
+	gr := uniseg.NewGraphemes(str)
+	parts := []string{}
+	totalWidth := 0
+	for gr.Next() {
+		s := string(gr.Runes())
+		totalWidth += uniseg.StringWidth(s)
+		parts = append(parts, s)
+	}
+
+	result := [3]string{}
+	if totalWidth != 3 && totalWidth != 6 {
+		return result, fmt.Errorf("invalid total marker width: %d (expected: 3 or 6)", totalWidth)
+	}
+
+	expected := totalWidth / 3
+	idx := 0
+	for _, part := range parts {
+		expected -= uniseg.StringWidth(part)
+		result[idx] += part
+		if expected <= 0 {
+			idx++
+			expected = totalWidth / 3
+		}
+		if idx == 3 {
+			break
+		}
+	}
+	return result, nil
+}
+
 func parseOptions(opts *Options, allArgs []string) error {
 	var err error
 	var historyMax int
@@ -2186,19 +2219,27 @@ func parseOptions(opts *Options, allArgs []string) error {
 				return err
 			}
 		case "--pointer":
-			str, err := nextString(allArgs, &i, "pointer sign string required")
+			str, err := nextString(allArgs, &i, "pointer sign required")
 			if err != nil {
 				return err
 			}
 			str = firstLine(str)
 			opts.Pointer = &str
 		case "--marker":
-			str, err := nextString(allArgs, &i, "selected sign string required")
+			str, err := nextString(allArgs, &i, "marker sign required")
 			if err != nil {
 				return err
 			}
 			str = firstLine(str)
 			opts.Marker = &str
+		case "--marker-multi-line":
+			str, err := nextString(allArgs, &i, "marker sign for multi-line entries required")
+			if err != nil {
+				return err
+			}
+			if opts.MarkerMulti, err = parseMarkerMultiLine(firstLine(str)); err != nil {
+				return err
+			}
 		case "--sync":
 			opts.Sync = true
 		case "--no-sync", "--async":
@@ -2439,6 +2480,10 @@ func parseOptions(opts *Options, allArgs []string) error {
 			} else if match, value := optString(arg, "--marker="); match {
 				str := firstLine(value)
 				opts.Marker = &str
+			} else if match, value := optString(arg, "--marker-multi-line="); match {
+				if opts.MarkerMulti, err = parseMarkerMultiLine(firstLine(value)); err != nil {
+					return err
+				}
 			} else if match, value := optString(arg, "-n", "--nth="); match {
 				if opts.Nth, err = splitNth(value); err != nil {
 					return err
@@ -2680,13 +2725,35 @@ func postProcessOptions(opts *Options) error {
 		opts.Pointer = &defaultPointer
 	}
 
+	markerLen := 1
 	if opts.Marker == nil {
-		// "▏" looks better, but not all terminals render it correctly
+		// "▎" looks better, but not all terminals render it correctly
 		defaultMarker := "┃"
 		if !opts.Unicode {
 			defaultMarker = ">"
 		}
 		opts.Marker = &defaultMarker
+	} else {
+		markerLen = uniseg.StringWidth(*opts.Marker)
+	}
+
+	markerMultiLen := 1
+	if len(opts.MarkerMulti[0]) == 0 {
+		if opts.Unicode {
+			opts.MarkerMulti = [3]string{"╻", "┃", "╹"}
+		} else {
+			opts.MarkerMulti = [3]string{".", "|", "'"}
+		}
+	} else {
+		markerMultiLen = uniseg.StringWidth(opts.MarkerMulti[0])
+	}
+	if markerMultiLen > markerLen {
+		padded := *opts.Marker + " "
+		opts.Marker = &padded
+	} else if markerMultiLen < markerLen {
+		for idx := range opts.MarkerMulti {
+			opts.MarkerMulti[idx] += " "
+		}
 	}
 
 	// Default actions for CTRL-N / CTRL-P when --history is set

src/terminal.go

@@ -177,6 +177,15 @@ type fitpad struct {
 
 type labelPrinter func(tui.Window, int)
 
+type markerClass int
+
+const (
+	markerSingle markerClass = iota
+	markerTop
+	markerMiddle
+	markerBottom
+)
+
 type StatusItem struct {
 	Index int    `json:"index"`
 	Text  string `json:"text"`
@@ -218,6 +227,7 @@ type Terminal struct {
 	marker             string
 	markerLen          int
 	markerEmpty        string
+	markerMultiLine    [3]string
 	queryLen           [2]int
 	layout             layoutType
 	fullscreen         bool
@@ -755,6 +765,7 @@ func NewTerminal(opts *Options, eventBox *util.EventBox, executor *util.Executor
 		pointerLen:         uniseg.StringWidth(*opts.Pointer),
 		marker:             *opts.Marker,
 		markerLen:          uniseg.StringWidth(*opts.Marker),
+		markerMultiLine:    opts.MarkerMulti,
 		wordRubout:         wordRubout,
 		wordNext:           wordNext,
 		cx:                 len(input),
@@ -1084,7 +1095,8 @@ func (t *Terminal) avgNumLines() int {
 	offset := util.Max(0, util.Min(t.offset, total-maxItems-1))
 	for idx := 0; idx < maxItems && idx+offset < total; idx++ {
 		item := t.merger.Get(idx + offset)
-		numLines += item.item.text.NumLines(maxItems)
+		lines, _ := item.item.text.NumLines(maxItems)
+		numLines += lines
 		count++
 	}
 	if count == 0 {
@@ -1884,7 +1896,7 @@ func (t *Terminal) printHeader() {
 
 		t.printHighlighted(Result{item: item},
 			tui.ColHeader, tui.ColHeader, false, false, line, line, true,
-			func(int) { t.window.Print("  ") }, nil)
+			func(markerClass) { t.window.Print("  ") }, nil)
 	}
 }
 
@@ -1964,7 +1976,8 @@ func (t *Terminal) printItem(result Result, line int, maxLine int, index int, cu
 		if !t.multiLine {
 			return line
 		}
-		return line + item.text.NumLines(maxLine-line+1) - 1
+		lines, _ := item.text.NumLines(maxLine - line + 1)
+		return line + lines - 1
 	}
 
 	maxWidth := t.window.Width() - (t.pointerLen + t.markerLen + 1)
@@ -1992,29 +2005,41 @@ func (t *Terminal) printItem(result Result, line int, maxLine int, index int, cu
 	}
 
 	var finalLineNum int
+	markerFor := func(markerClass markerClass) string {
+		marker := t.marker
+		switch markerClass {
+		case markerTop:
+			marker = t.markerMultiLine[0]
+		case markerMiddle:
+			marker = t.markerMultiLine[1]
+		case markerBottom:
+			marker = t.markerMultiLine[2]
+		}
+		return marker
+	}
 	if current {
-		preTask := func(lineOffset int) {
+		preTask := func(marker markerClass) {
 			if len(label) == 0 {
 				t.window.CPrint(tui.ColCurrentCursorEmpty, t.pointerEmpty)
 			} else {
 				t.window.CPrint(tui.ColCurrentCursor, label)
 			}
 			if selected {
-				t.window.CPrint(tui.ColCurrentMarker, t.marker)
+				t.window.CPrint(tui.ColCurrentMarker, markerFor(marker))
 			} else {
 				t.window.CPrint(tui.ColCurrentSelectedEmpty, t.markerEmpty)
 			}
 		}
 		finalLineNum = t.printHighlighted(result, tui.ColCurrent, tui.ColCurrentMatch, true, true, line, maxLine, forceRedraw, preTask, postTask)
 	} else {
-		preTask := func(lineOffset int) {
+		preTask := func(marker markerClass) {
 			if len(label) == 0 {
 				t.window.CPrint(tui.ColCursorEmpty, t.pointerEmpty)
 			} else {
 				t.window.CPrint(tui.ColCursor, label)
 			}
 			if selected {
-				t.window.CPrint(tui.ColMarker, t.marker)
+				t.window.CPrint(tui.ColMarker, markerFor(marker))
 			} else {
 				t.window.Print(t.markerEmpty)
 			}
@@ -2070,7 +2095,7 @@ func (t *Terminal) overflow(runes []rune, max int) bool {
 	return t.displayWidthWithLimit(runes, 0, max) > max
 }
 
-func (t *Terminal) printHighlighted(result Result, colBase tui.ColorPair, colMatch tui.ColorPair, current bool, match bool, lineNum int, maxLineNum int, forceRedraw bool, preTask func(int), postTask func(int, int)) int {
+func (t *Terminal) printHighlighted(result Result, colBase tui.ColorPair, colMatch tui.ColorPair, current bool, match bool, lineNum int, maxLineNum int, forceRedraw bool, preTask func(markerClass), postTask func(int, int)) int {
 	var displayWidth int
 	item := result.item
 	matchOffsets := []Offset{}
@@ -2096,12 +2121,16 @@ func (t *Terminal) printHighlighted(result Result, colBase tui.ColorPair, colMat
 	finalLineNum := lineNum
 	numItemLines := 1
 	cutoff := 0
-	if t.multiLine && t.layout == layoutDefault {
+	overflow := false
+	topCutoff := false
+	if t.multiLine {
 		maxLines := maxLineNum - lineNum + 1
-		numItemLines = item.text.NumLines(maxLines)
+		numItemLines, overflow = item.text.NumLines(maxLines)
 		// Cut off the upper lines in the 'default' layout
-		if !current && maxLines == numItemLines {
-			cutoff = item.text.NumLines(math.MaxInt32) - maxLines
+		if t.layout == layoutDefault && !current && maxLines == numItemLines && overflow {
+			actualLines, _ := item.text.NumLines(math.MaxInt32)
+			cutoff = actualLines - maxLines
+			topCutoff = true
 		}
 	}
 	for lineOffset := 0; from <= len(text) && (lineNum <= maxLineNum || maxLineNum == 0); lineOffset++ {
@@ -2151,7 +2180,34 @@ func (t *Terminal) printHighlighted(result Result, colBase tui.ColorPair, colMat
 		t.move(actualLineNum, 0, forceRedraw)
 
 		if preTask != nil {
-			preTask(lineOffset)
+			var marker markerClass
+			if numItemLines == 1 {
+				if !overflow {
+					marker = markerSingle
+				} else if topCutoff {
+					marker = markerBottom
+				} else {
+					marker = markerTop
+				}
+			} else {
+				if lineOffset == 0 { // First line
+					if topCutoff {
+						marker = markerMiddle
+					} else {
+						marker = markerTop
+					}
+				} else if lineOffset == numItemLines-1 { // Last line
+					if topCutoff || !overflow {
+						marker = markerBottom
+					} else {
+						marker = markerMiddle
+					}
+				} else {
+					marker = markerMiddle
+				}
+			}
+
+			preTask(marker)
 		}
 
 		maxWidth := t.window.Width() - (t.pointerLen + t.markerLen + 1)
@@ -4502,7 +4558,7 @@ func (t *Terminal) constrain() {
 			linesSum := 0
 
 			add := func(i int) bool {
-				lines := t.merger.Get(i).item.text.NumLines(numItems - linesSum)
+				lines, _ := t.merger.Get(i).item.text.NumLines(numItems - linesSum)
 				linesSum += lines
 				if linesSum >= numItems {
 					if numItemsFound == 0 {
@@ -4547,13 +4603,14 @@ func (t *Terminal) constrain() {
 					numItems := t.merger.Length()
 					itemLines := 1
 					if t.multiLine && t.cy < numItems {
-						itemLines = t.merger.Get(t.cy).item.text.NumLines(maxLines)
+						itemLines, _ = t.merger.Get(t.cy).item.text.NumLines(maxLines)
 					}
 					linesBefore := t.cy - newOffset
 					if t.multiLine {
 						linesBefore = 0
 						for i := newOffset; i < t.cy && i < numItems; i++ {
-							linesBefore += t.merger.Get(i).item.text.NumLines(maxLines - linesBefore - itemLines)
+							lines, _ := t.merger.Get(i).item.text.NumLines(maxLines - linesBefore - itemLines)
+							linesBefore += lines
 						}
 					}
 					linesAfter := maxLines - (linesBefore + itemLines)

src/util/chars.go

@@ -75,18 +75,18 @@ func (chars *Chars) Bytes() []byte {
 	return chars.slice
 }
 
-func (chars *Chars) NumLines(atMost int) int {
+func (chars *Chars) NumLines(atMost int) (int, bool) {
 	lines := 1
 	if runes := chars.optionalRunes(); runes != nil {
 		for _, r := range runes {
 			if r == '\n' {
 				lines++
 			}
-			if lines >= atMost {
-				return atMost
+			if lines > atMost {
+				return atMost, true
 			}
 		}
-		return lines
+		return lines, false
 	}
 
 	for idx := 0; idx < len(chars.slice); idx++ {
@@ -97,11 +97,11 @@ func (chars *Chars) NumLines(atMost int) int {
 
 		idx += found
 		lines++
-		if lines >= atMost {
-			return atMost
+		if lines > atMost {
+			return atMost, true
 		}
 	}
-	return lines
+	return lines, false
 }
 
 func (chars *Chars) optionalRunes() []rune {

test/test_go.rb

@@ -2752,8 +2752,9 @@ class TestGoFZF < TestBase
 
   def assert_block(expected, lines)
     cols = expected.lines.map(&:chomp).map(&:length).max
-    actual = lines.reverse.take(expected.lines.length).reverse.map { _1[0, cols].rstrip + "\n" }.join
-    assert_equal_org expected, actual
+    top = lines.take(expected.lines.length).map { _1[0, cols].rstrip + "\n" }.join
+    bottom = lines.reverse.take(expected.lines.length).reverse.map { _1[0, cols].rstrip + "\n" }.join
+    assert_includes [top, bottom], expected
   end
 
   def test_height_range_fit
@@ -3268,6 +3269,55 @@ class TestGoFZF < TestBase
     tmux.send_keys '99'
     tmux.until { |lines| assert(lines.any? { |line| line.include?('0 / 0') }) }
   end
+
+  def test_fzf_multi_line
+    tmux.send_keys %[(echo -en '0\\0'; echo -en '1\\n2\\0'; seq 1000) | fzf --read0 --multi --bind load:select-all --border rounded], :Enter
+    block = <<~BLOCK
+      │  ┃998
+      │  ┃999
+      │  ┃1000
+      │  ╹
+      │  ╻1
+      │  ╹2
+      │ >>0
+      │   3/3 (3)
+      │ >
+      ╰───────────
+    BLOCK
+    tmux.until { assert_block(block, _1) }
+    tmux.send_keys :Up, :Up
+    block = <<~BLOCK
+      ╭───────
+      │ >╻1
+      │ >┃2
+      │ >┃3
+    BLOCK
+    tmux.until { assert_block(block, _1) }
+
+    block = <<~BLOCK
+      │ >┃
+      │
+      │ >
+      ╰───
+    BLOCK
+    tmux.until { assert_block(block, _1) }
+  end
+
+  def test_fzf_multi_line_reverse
+    tmux.send_keys %[(echo -en '0\\0'; echo -en '1\\n2\\0'; seq 1000) | fzf --read0 --multi --bind load:select-all --border rounded --reverse], :Enter
+    block = <<~BLOCK
+      ╭───────────
+      │ >
+      │   3/3 (3)
+      │ >>0
+      │  ╻1
+      │  ╹2
+      │  ╻1
+      │  ┃2
+      │  ┃3
+    BLOCK
+    tmux.until { assert_block(block, _1) }
+  end
 end
 
 module TestShell