Implement word wrapping in the list section

CHANGELOG.md

@@ -3,6 +3,14 @@ CHANGELOG
 
 0.68.0
 ------
+- Implemented word wrapping in the list section
+    - Added `--wrap=word` (or `--wrap-word`) option and `toggle-wrap-word` action
+      for word-level line wrapping in the list section
+    - Changed default binding of `ctrl-/` and `alt-/` from `toggle-wrap` to
+      `toggle-wrap-word`
+  ```sh
+  fzf --wrap=word
+  ```
 - Implemented word wrapping in the preview window
     - Added `wrap-word` flag for `--preview-window` to enable word-level wrapping
     - Added `toggle-preview-wrap-word` action

man/man1/fzf.1

@@ -593,8 +593,11 @@ Highlight the whole current line
 .B "\-\-cycle"
 Enable cyclic scroll
 .TP
-.B "\-\-wrap"
+.BI "\-\-wrap" "[=MODE]"
-Enable line wrap
+Enable line wrap. \fIMODE\fR can be \fBchar\fR (default) or \fBword\fR.
+\fBword\fR mode wraps lines at word boundaries (spaces and tabs) instead of
+at arbitrary character positions. \fB\-\-wrap\-word\fR is a synonym for
+\fB\-\-wrap=word\fR.
 .TP
 .BI "\-\-wrap\-sign" "=INDICATOR"
 Indicator for wrapped lines. The default is '↳ ' or '> ' depending on
@@ -1968,7 +1971,8 @@ A key or an event can be bound to one or more of the following actions.
     \fBtoggle\-sort\fR
     \fBtoggle\-track\fR                 (toggle global tracking option (\fB\-\-track\fR))
     \fBtoggle\-track\-current\fR         (toggle tracking of the current item)
-    \fBtoggle\-wrap\fR                  \fIctrl\-/\fR  \fIalt\-/\fR
+    \fBtoggle\-wrap\fR
+    \fBtoggle\-wrap\-word\fR             \fIctrl\-/\fR  \fIalt\-/\fR
     \fBtoggle+down\fR                  \fIctrl\-i  (tab)\fR
     \fBtoggle+up\fR                    \fIbtab    (shift\-tab)\fR
     \fBtrack\-current\fR                (track the current item; automatically disabled if focus changes)

src/actiontype_string.go

@@ -75,115 +75,116 @@ func _() {
 	_ = x[actToggleTrackCurrent-64]
 	_ = x[actToggleHeader-65]
 	_ = x[actToggleWrap-66]
-	_ = x[actToggleMultiLine-67]
+	_ = x[actToggleWrapWord-67]
-	_ = x[actToggleHscroll-68]
+	_ = x[actToggleMultiLine-68]
-	_ = x[actToggleRaw-69]
+	_ = x[actToggleHscroll-69]
-	_ = x[actEnableRaw-70]
+	_ = x[actToggleRaw-70]
-	_ = x[actDisableRaw-71]
+	_ = x[actEnableRaw-71]
-	_ = x[actTrackCurrent-72]
+	_ = x[actDisableRaw-72]
-	_ = x[actToggleInput-73]
+	_ = x[actTrackCurrent-73]
-	_ = x[actHideInput-74]
+	_ = x[actToggleInput-74]
-	_ = x[actShowInput-75]
+	_ = x[actHideInput-75]
-	_ = x[actUntrackCurrent-76]
+	_ = x[actShowInput-76]
-	_ = x[actDown-77]
+	_ = x[actUntrackCurrent-77]
-	_ = x[actDownMatch-78]
+	_ = x[actDown-78]
-	_ = x[actUp-79]
+	_ = x[actDownMatch-79]
-	_ = x[actUpMatch-80]
+	_ = x[actUp-80]
-	_ = x[actPageUp-81]
+	_ = x[actUpMatch-81]
-	_ = x[actPageDown-82]
+	_ = x[actPageUp-82]
-	_ = x[actPosition-83]
+	_ = x[actPageDown-83]
-	_ = x[actHalfPageUp-84]
+	_ = x[actPosition-84]
-	_ = x[actHalfPageDown-85]
+	_ = x[actHalfPageUp-85]
-	_ = x[actOffsetUp-86]
+	_ = x[actHalfPageDown-86]
-	_ = x[actOffsetDown-87]
+	_ = x[actOffsetUp-87]
-	_ = x[actOffsetMiddle-88]
+	_ = x[actOffsetDown-88]
-	_ = x[actJump-89]
+	_ = x[actOffsetMiddle-89]
-	_ = x[actJumpAccept-90]
+	_ = x[actJump-90]
-	_ = x[actPrintQuery-91]
+	_ = x[actJumpAccept-91]
-	_ = x[actRefreshPreview-92]
+	_ = x[actPrintQuery-92]
-	_ = x[actReplaceQuery-93]
+	_ = x[actRefreshPreview-93]
-	_ = x[actToggleSort-94]
+	_ = x[actReplaceQuery-94]
-	_ = x[actShowPreview-95]
+	_ = x[actToggleSort-95]
-	_ = x[actHidePreview-96]
+	_ = x[actShowPreview-96]
-	_ = x[actTogglePreview-97]
+	_ = x[actHidePreview-97]
-	_ = x[actTogglePreviewWrap-98]
+	_ = x[actTogglePreview-98]
-	_ = x[actTogglePreviewWrapWord-99]
+	_ = x[actTogglePreviewWrap-99]
-	_ = x[actTransform-100]
+	_ = x[actTogglePreviewWrapWord-100]
-	_ = x[actTransformBorderLabel-101]
+	_ = x[actTransform-101]
-	_ = x[actTransformGhost-102]
+	_ = x[actTransformBorderLabel-102]
-	_ = x[actTransformHeader-103]
+	_ = x[actTransformGhost-103]
-	_ = x[actTransformFooter-104]
+	_ = x[actTransformHeader-104]
-	_ = x[actTransformHeaderLabel-105]
+	_ = x[actTransformFooter-105]
-	_ = x[actTransformFooterLabel-106]
+	_ = x[actTransformHeaderLabel-106]
-	_ = x[actTransformInputLabel-107]
+	_ = x[actTransformFooterLabel-107]
-	_ = x[actTransformListLabel-108]
+	_ = x[actTransformInputLabel-108]
-	_ = x[actTransformNth-109]
+	_ = x[actTransformListLabel-109]
-	_ = x[actTransformPointer-110]
+	_ = x[actTransformNth-110]
-	_ = x[actTransformPreviewLabel-111]
+	_ = x[actTransformPointer-111]
-	_ = x[actTransformPrompt-112]
+	_ = x[actTransformPreviewLabel-112]
-	_ = x[actTransformQuery-113]
+	_ = x[actTransformPrompt-113]
-	_ = x[actTransformSearch-114]
+	_ = x[actTransformQuery-114]
-	_ = x[actTrigger-115]
+	_ = x[actTransformSearch-115]
-	_ = x[actBgTransform-116]
+	_ = x[actTrigger-116]
-	_ = x[actBgTransformBorderLabel-117]
+	_ = x[actBgTransform-117]
-	_ = x[actBgTransformGhost-118]
+	_ = x[actBgTransformBorderLabel-118]
-	_ = x[actBgTransformHeader-119]
+	_ = x[actBgTransformGhost-119]
-	_ = x[actBgTransformFooter-120]
+	_ = x[actBgTransformHeader-120]
-	_ = x[actBgTransformHeaderLabel-121]
+	_ = x[actBgTransformFooter-121]
-	_ = x[actBgTransformFooterLabel-122]
+	_ = x[actBgTransformHeaderLabel-122]
-	_ = x[actBgTransformInputLabel-123]
+	_ = x[actBgTransformFooterLabel-123]
-	_ = x[actBgTransformListLabel-124]
+	_ = x[actBgTransformInputLabel-124]
-	_ = x[actBgTransformNth-125]
+	_ = x[actBgTransformListLabel-125]
-	_ = x[actBgTransformPointer-126]
+	_ = x[actBgTransformNth-126]
-	_ = x[actBgTransformPreviewLabel-127]
+	_ = x[actBgTransformPointer-127]
-	_ = x[actBgTransformPrompt-128]
+	_ = x[actBgTransformPreviewLabel-128]
-	_ = x[actBgTransformQuery-129]
+	_ = x[actBgTransformPrompt-129]
-	_ = x[actBgTransformSearch-130]
+	_ = x[actBgTransformQuery-130]
-	_ = x[actBgCancel-131]
+	_ = x[actBgTransformSearch-131]
-	_ = x[actSearch-132]
+	_ = x[actBgCancel-132]
-	_ = x[actPreview-133]
+	_ = x[actSearch-133]
-	_ = x[actPreviewTop-134]
+	_ = x[actPreview-134]
-	_ = x[actPreviewBottom-135]
+	_ = x[actPreviewTop-135]
-	_ = x[actPreviewUp-136]
+	_ = x[actPreviewBottom-136]
-	_ = x[actPreviewDown-137]
+	_ = x[actPreviewUp-137]
-	_ = x[actPreviewPageUp-138]
+	_ = x[actPreviewDown-138]
-	_ = x[actPreviewPageDown-139]
+	_ = x[actPreviewPageUp-139]
-	_ = x[actPreviewHalfPageUp-140]
+	_ = x[actPreviewPageDown-140]
-	_ = x[actPreviewHalfPageDown-141]
+	_ = x[actPreviewHalfPageUp-141]
-	_ = x[actPrevHistory-142]
+	_ = x[actPreviewHalfPageDown-142]
-	_ = x[actPrevSelected-143]
+	_ = x[actPrevHistory-143]
-	_ = x[actPrint-144]
+	_ = x[actPrevSelected-144]
-	_ = x[actPut-145]
+	_ = x[actPrint-145]
-	_ = x[actNextHistory-146]
+	_ = x[actPut-146]
-	_ = x[actNextSelected-147]
+	_ = x[actNextHistory-147]
-	_ = x[actExecute-148]
+	_ = x[actNextSelected-148]
-	_ = x[actExecuteSilent-149]
+	_ = x[actExecute-149]
-	_ = x[actExecuteMulti-150]
+	_ = x[actExecuteSilent-150]
-	_ = x[actSigStop-151]
+	_ = x[actExecuteMulti-151]
-	_ = x[actBest-152]
+	_ = x[actSigStop-152]
-	_ = x[actFirst-153]
+	_ = x[actBest-153]
-	_ = x[actLast-154]
+	_ = x[actFirst-154]
-	_ = x[actReload-155]
+	_ = x[actLast-155]
-	_ = x[actReloadSync-156]
+	_ = x[actReload-156]
-	_ = x[actDisableSearch-157]
+	_ = x[actReloadSync-157]
-	_ = x[actEnableSearch-158]
+	_ = x[actDisableSearch-158]
-	_ = x[actSelect-159]
+	_ = x[actEnableSearch-159]
-	_ = x[actDeselect-160]
+	_ = x[actSelect-160]
-	_ = x[actUnbind-161]
+	_ = x[actDeselect-161]
-	_ = x[actRebind-162]
+	_ = x[actUnbind-162]
-	_ = x[actToggleBind-163]
+	_ = x[actRebind-163]
-	_ = x[actBecome-164]
+	_ = x[actToggleBind-164]
-	_ = x[actShowHeader-165]
+	_ = x[actBecome-165]
-	_ = x[actHideHeader-166]
+	_ = x[actShowHeader-166]
-	_ = x[actBell-167]
+	_ = x[actHideHeader-167]
-	_ = x[actExclude-168]
+	_ = x[actBell-168]
-	_ = x[actExcludeMulti-169]
+	_ = x[actExclude-169]
-	_ = x[actAsync-170]
+	_ = x[actExcludeMulti-170]
+	_ = x[actAsync-171]
 }
 
-const _actionType_name = "actIgnoreactStartactClickactInvalidactBracketedPasteBeginactBracketedPasteEndactCharactMouseactBeginningOfLineactAbortactAcceptactAcceptNonEmptyactAcceptOrPrintQueryactBackwardCharactBackwardDeleteCharactBackwardDeleteCharEofactBackwardWordactBackwardSubWordactCancelactChangeBorderLabelactChangeGhostactChangeHeaderactChangeFooteractChangeHeaderLabelactChangeFooterLabelactChangeInputLabelactChangeListLabelactChangeMultiactChangeNthactChangePointeractChangePreviewactChangePreviewLabelactChangePreviewWindowactChangePromptactChangeQueryactClearScreenactClearQueryactClearSelectionactCloseactDeleteCharactDeleteCharEofactEndOfLineactFatalactForwardCharactForwardWordactForwardSubWordactKillLineactKillWordactKillSubWordactUnixLineDiscardactUnixWordRuboutactYankactBackwardKillWordactBackwardKillSubWordactSelectAllactDeselectAllactToggleactToggleSearchactToggleAllactToggleDownactToggleUpactToggleInactToggleOutactToggleTrackactToggleTrackCurrentactToggleHeaderactToggleWrapactToggleMultiLineactToggleHscrollactToggleRawactEnableRawactDisableRawactTrackCurrentactToggleInputactHideInputactShowInputactUntrackCurrentactDownactDownMatchactUpactUpMatchactPageUpactPageDownactPositionactHalfPageUpactHalfPageDownactOffsetUpactOffsetDownactOffsetMiddleactJumpactJumpAcceptactPrintQueryactRefreshPreviewactReplaceQueryactToggleSortactShowPreviewactHidePreviewactTogglePreviewactTogglePreviewWrapactTogglePreviewWrapWordactTransformactTransformBorderLabelactTransformGhostactTransformHeaderactTransformFooteractTransformHeaderLabelactTransformFooterLabelactTransformInputLabelactTransformListLabelactTransformNthactTransformPointeractTransformPreviewLabelactTransformPromptactTransformQueryactTransformSearchactTriggeractBgTransformactBgTransformBorderLabelactBgTransformGhostactBgTransformHeaderactBgTransformFooteractBgTransformHeaderLabelactBgTransformFooterLabelactBgTransformInputLabelactBgTransformListLabelactBgTransformNthactBgTransformPointeractBgTransformPreviewLabelactBgTransformPromptactBgTransformQueryactBgTransformSearchactBgCancelactSearchactPreviewactPreviewTopactPreviewBottomactPreviewUpactPreviewDownactPreviewPageUpactPreviewPageDownactPreviewHalfPageUpactPreviewHalfPageDownactPrevHistoryactPrevSelectedactPrintactPutactNextHistoryactNextSelectedactExecuteactExecuteSilentactExecuteMultiactSigStopactBestactFirstactLastactReloadactReloadSyncactDisableSearchactEnableSearchactSelectactDeselectactUnbindactRebindactToggleBindactBecomeactShowHeaderactHideHeaderactBellactExcludeactExcludeMultiactAsync"
+const _actionType_name = "actIgnoreactStartactClickactInvalidactBracketedPasteBeginactBracketedPasteEndactCharactMouseactBeginningOfLineactAbortactAcceptactAcceptNonEmptyactAcceptOrPrintQueryactBackwardCharactBackwardDeleteCharactBackwardDeleteCharEofactBackwardWordactBackwardSubWordactCancelactChangeBorderLabelactChangeGhostactChangeHeaderactChangeFooteractChangeHeaderLabelactChangeFooterLabelactChangeInputLabelactChangeListLabelactChangeMultiactChangeNthactChangePointeractChangePreviewactChangePreviewLabelactChangePreviewWindowactChangePromptactChangeQueryactClearScreenactClearQueryactClearSelectionactCloseactDeleteCharactDeleteCharEofactEndOfLineactFatalactForwardCharactForwardWordactForwardSubWordactKillLineactKillWordactKillSubWordactUnixLineDiscardactUnixWordRuboutactYankactBackwardKillWordactBackwardKillSubWordactSelectAllactDeselectAllactToggleactToggleSearchactToggleAllactToggleDownactToggleUpactToggleInactToggleOutactToggleTrackactToggleTrackCurrentactToggleHeaderactToggleWrapactToggleWrapWordactToggleMultiLineactToggleHscrollactToggleRawactEnableRawactDisableRawactTrackCurrentactToggleInputactHideInputactShowInputactUntrackCurrentactDownactDownMatchactUpactUpMatchactPageUpactPageDownactPositionactHalfPageUpactHalfPageDownactOffsetUpactOffsetDownactOffsetMiddleactJumpactJumpAcceptactPrintQueryactRefreshPreviewactReplaceQueryactToggleSortactShowPreviewactHidePreviewactTogglePreviewactTogglePreviewWrapactTogglePreviewWrapWordactTransformactTransformBorderLabelactTransformGhostactTransformHeaderactTransformFooteractTransformHeaderLabelactTransformFooterLabelactTransformInputLabelactTransformListLabelactTransformNthactTransformPointeractTransformPreviewLabelactTransformPromptactTransformQueryactTransformSearchactTriggeractBgTransformactBgTransformBorderLabelactBgTransformGhostactBgTransformHeaderactBgTransformFooteractBgTransformHeaderLabelactBgTransformFooterLabelactBgTransformInputLabelactBgTransformListLabelactBgTransformNthactBgTransformPointeractBgTransformPreviewLabelactBgTransformPromptactBgTransformQueryactBgTransformSearchactBgCancelactSearchactPreviewactPreviewTopactPreviewBottomactPreviewUpactPreviewDownactPreviewPageUpactPreviewPageDownactPreviewHalfPageUpactPreviewHalfPageDownactPrevHistoryactPrevSelectedactPrintactPutactNextHistoryactNextSelectedactExecuteactExecuteSilentactExecuteMultiactSigStopactBestactFirstactLastactReloadactReloadSyncactDisableSearchactEnableSearchactSelectactDeselectactUnbindactRebindactToggleBindactBecomeactShowHeaderactHideHeaderactBellactExcludeactExcludeMultiactAsync"
 
-var _actionType_index = [...]uint16{0, 9, 17, 25, 35, 57, 77, 84, 92, 110, 118, 127, 144, 165, 180, 201, 225, 240, 258, 267, 287, 301, 316, 331, 351, 371, 390, 408, 422, 434, 450, 466, 487, 509, 524, 538, 552, 565, 582, 590, 603, 619, 631, 639, 653, 667, 684, 695, 706, 720, 738, 755, 762, 781, 803, 815, 829, 838, 853, 865, 878, 889, 900, 912, 926, 947, 962, 975, 993, 1009, 1021, 1033, 1046, 1061, 1075, 1087, 1099, 1116, 1123, 1135, 1140, 1150, 1159, 1170, 1181, 1194, 1209, 1220, 1233, 1248, 1255, 1268, 1281, 1298, 1313, 1326, 1340, 1354, 1370, 1390, 1414, 1426, 1449, 1466, 1484, 1502, 1525, 1548, 1570, 1591, 1606, 1625, 1649, 1667, 1684, 1702, 1712, 1726, 1751, 1770, 1790, 1810, 1835, 1860, 1884, 1907, 1924, 1945, 1971, 1991, 2010, 2030, 2041, 2050, 2060, 2073, 2089, 2101, 2115, 2131, 2149, 2169, 2191, 2205, 2220, 2228, 2234, 2248, 2263, 2273, 2289, 2304, 2314, 2321, 2329, 2336, 2345, 2358, 2374, 2389, 2398, 2409, 2418, 2427, 2440, 2449, 2462, 2475, 2482, 2492, 2507, 2515}
+var _actionType_index = [...]uint16{0, 9, 17, 25, 35, 57, 77, 84, 92, 110, 118, 127, 144, 165, 180, 201, 225, 240, 258, 267, 287, 301, 316, 331, 351, 371, 390, 408, 422, 434, 450, 466, 487, 509, 524, 538, 552, 565, 582, 590, 603, 619, 631, 639, 653, 667, 684, 695, 706, 720, 738, 755, 762, 781, 803, 815, 829, 838, 853, 865, 878, 889, 900, 912, 926, 947, 962, 975, 992, 1010, 1026, 1038, 1050, 1063, 1078, 1092, 1104, 1116, 1133, 1140, 1152, 1157, 1167, 1176, 1187, 1198, 1211, 1226, 1237, 1250, 1265, 1272, 1285, 1298, 1315, 1330, 1343, 1357, 1371, 1387, 1407, 1431, 1443, 1466, 1483, 1501, 1519, 1542, 1565, 1587, 1608, 1623, 1642, 1666, 1684, 1701, 1719, 1729, 1743, 1768, 1787, 1807, 1827, 1852, 1877, 1901, 1924, 1941, 1962, 1988, 2008, 2027, 2047, 2058, 2067, 2077, 2090, 2106, 2118, 2132, 2148, 2166, 2186, 2208, 2222, 2237, 2245, 2251, 2265, 2280, 2290, 2306, 2321, 2331, 2338, 2346, 2353, 2362, 2375, 2391, 2406, 2415, 2426, 2435, 2444, 2457, 2466, 2479, 2492, 2499, 2509, 2524, 2532}
 
 func (i actionType) String() string {
 	if i < 0 || i >= actionType(len(_actionType_index)-1) {

src/options.go

@@ -95,7 +95,7 @@ Usage: fzf [options]
     -m, --multi[=MAX]        Enable multi-select with tab/shift-tab
     --highlight-line         Highlight the whole current line
     --cycle                  Enable cyclic scroll
-    --wrap                   Enable line wrap
+    --wrap[=MODE]            Enable line wrap (char|word, default: char)
     --wrap-sign=STR          Indicator for wrapped lines
     --no-multi-line          Disable multi-line display of items when using --read0
     --raw                    Enable raw mode (show non-matching items)
@@ -606,6 +606,7 @@ type Options struct {
 	Layout            layoutType
 	Cycle             bool
 	Wrap              bool
+	WrapWord          bool
 	WrapSign          *string
 	MultiLine         bool
 	CursorLine        bool
@@ -740,6 +741,7 @@ func defaultOptions() *Options {
 		Layout:       layoutDefault,
 		Cycle:        false,
 		Wrap:         false,
+		WrapWord:     false,
 		MultiLine:    true,
 		KeepRight:    false,
 		Hscroll:      true,
@@ -1804,6 +1806,8 @@ func parseActionList(masked string, original string, prevActions []*action, putA
 			appendAction(actToggleHeader)
 		case "toggle-wrap":
 			appendAction(actToggleWrap)
+		case "toggle-wrap-word":
+			appendAction(actToggleWrapWord)
 		case "toggle-multi-line":
 			appendAction(actToggleMultiLine)
 		case "toggle-hscroll":
@@ -2853,9 +2857,29 @@ func parseOptions(index *int, opts *Options, allArgs []string) error {
 		case "--no-cycle":
 			opts.Cycle = false
 		case "--wrap":
-			opts.Wrap = true
+			given, str := optionalNextString()
+			if given {
+				switch str {
+				case "char":
+					opts.Wrap = true
+					opts.WrapWord = false
+				case "word":
+					opts.Wrap = true
+					opts.WrapWord = true
+				default:
+					return errors.New("invalid wrap mode: " + str + " (expected: char or word)")
+				}
+			} else {
+				opts.Wrap = true
+			}
 		case "--no-wrap":
 			opts.Wrap = false
+			opts.WrapWord = false
+		case "--wrap-word":
+			opts.Wrap = true
+			opts.WrapWord = true
+		case "--no-wrap-word":
+			opts.WrapWord = false
 		case "--wrap-sign":
 			str, err := nextString("wrap sign required")
 			if err != nil {

src/terminal.go

@@ -250,6 +250,7 @@ type Terminal struct {
 	infoStyle          infoStyle
 	infoPrefix         string
 	wrap               bool
+	wrapWord           bool
 	wrapSign           string
 	wrapSignWidth      int
 	ghost              string
@@ -585,6 +586,7 @@ const (
 	actToggleTrackCurrent
 	actToggleHeader
 	actToggleWrap
+	actToggleWrapWord
 	actToggleMultiLine
 	actToggleHscroll
 	actToggleRaw
@@ -830,8 +832,8 @@ func defaultKeymap() map[tui.Event][]*action {
 	if !util.IsWindows() {
 		add(tui.CtrlZ, actSigStop)
 	}
-	add(tui.CtrlSlash, actToggleWrap)
+	add(tui.CtrlSlash, actToggleWrapWord)
-	addEvent(tui.AltKey('/'), actToggleWrap)
+	addEvent(tui.AltKey('/'), actToggleWrapWord)
 
 	addEvent(tui.AltKey('b'), actBackwardWord)
 	add(tui.ShiftLeft, actBackwardWord)
@@ -1014,6 +1016,7 @@ func NewTerminal(opts *Options, eventBox *util.EventBox, executor *util.Executor
 		multi:              opts.Multi,
 		multiLine:          opts.ReadZero && opts.MultiLine,
 		wrap:               opts.Wrap,
+		wrapWord:           opts.WrapWord,
 		sort:               opts.Sort > 0,
 		toggleSort:         opts.ToggleSort,
 		track:              opts.Track,
@@ -1635,7 +1638,7 @@ func (t *Terminal) numItemLines(item *Item, atMost int) (int, bool) {
 		numLines, overflow = item.text.NumLines(atMost)
 	} else {
 		var lines [][]rune
-		lines, overflow = item.text.Lines(t.multiLine, atMost, t.wrapCols(), t.wrapSignWidth, t.tabstop)
+		lines, overflow = item.text.Lines(t.multiLine, atMost, t.wrapCols(), t.wrapSignWidth, t.tabstop, t.wrapWord)
 		numLines = len(lines)
 	}
 	numLines += t.gap
@@ -1651,7 +1654,7 @@ func (t *Terminal) itemLines(item *Item, atMost int) ([][]rune, bool) {
 		copy(text, item.text.ToRunes())
 		return [][]rune{text}, false
 	}
-	return item.text.Lines(t.multiLine, atMost, t.wrapCols(), t.wrapSignWidth, t.tabstop)
+	return item.text.Lines(t.multiLine, atMost, t.wrapCols(), t.wrapSignWidth, t.tabstop, t.wrapWord)
 }
 
 // Estimate the average number of lines per item. Instead of going through all
@@ -6721,8 +6724,16 @@ func (t *Terminal) Loop() error {
 			case actToggleHeader:
 				t.headerVisible = !t.headerVisible
 				req(reqList, reqInfo, reqPrompt, reqHeader)
-			case actToggleWrap:
+			case actToggleWrap, actToggleWrapWord:
-				t.wrap = !t.wrap
+				if a.t == actToggleWrapWord {
+					t.wrapWord = !t.wrapWord
+					t.wrap = t.wrapWord
+				} else {
+					t.wrap = !t.wrap
+					if !t.wrap {
+						t.wrapWord = false
+					}
+				}
 				t.clearNumLinesCache()
 				req(reqList, reqHeader)
 			case actToggleMultiLine:

src/util/chars.go

@@ -249,7 +249,7 @@ func (chars *Chars) Prepend(prefix string) {
 	}
 }
 
-func (chars *Chars) Lines(multiLine bool, maxLines int, wrapCols int, wrapSignWidth int, tabstop int) ([][]rune, bool) {
+func (chars *Chars) Lines(multiLine bool, maxLines int, wrapCols int, wrapSignWidth int, tabstop int, wrapWord bool) ([][]rune, bool) {
 	text := make([]rune, chars.Length())
 	copy(text, chars.ToRunes())
 
@@ -307,6 +307,19 @@ func (chars *Chars) Lines(multiLine bool, maxLines int, wrapCols int, wrapSignWi
 				if overflowIdx == 0 {
 					overflowIdx = 1
 				}
+				if wrapWord {
+					// Find last space/tab at or before overflowIdx
+					breakIdx := -1
+					for k := overflowIdx; k > 0; k-- {
+						if line[k-1] == ' ' || line[k-1] == '\t' {
+							breakIdx = k
+							break
+						}
+					}
+					if breakIdx > 0 {
+						overflowIdx = breakIdx
+					}
+				}
 				if len(wrapped) >= maxLines {
 					return wrapped, true
 				}

src/util/chars_test.go

@@ -51,7 +51,7 @@ func TestTrimLength(t *testing.T) {
 func TestCharsLines(t *testing.T) {
 	chars := ToChars([]byte("abcdef\n가나다\n\tdef"))
 	check := func(multiLine bool, maxLines int, wrapCols int, wrapSignWidth int, tabstop int, expectedNumLines int, expectedOverflow bool) {
-		lines, overflow := chars.Lines(multiLine, maxLines, wrapCols, wrapSignWidth, tabstop)
+		lines, overflow := chars.Lines(multiLine, maxLines, wrapCols, wrapSignWidth, tabstop, false)
 		fmt.Println(lines, overflow)
 		if len(lines) != expectedNumLines || overflow != expectedOverflow {
 			t.Errorf("Invalid result: %d %v (expected %d %v)", len(lines), overflow, expectedNumLines, expectedOverflow)
@@ -81,3 +81,51 @@ func TestCharsLines(t *testing.T) {
 	// With wrap sign (3 + 2) and no multi-line
 	check(false, 100, 3, 2, 1, 13, false)
 }
+
+func TestCharsLinesWrapWord(t *testing.T) {
+	// "hello world foo bar" with width 12 should break at word boundaries
+	chars := ToChars([]byte("hello world foo bar"))
+	lines, overflow := chars.Lines(false, 100, 12, 0, 8, true)
+	// "hello world " (12) | "foo bar" (7)
+	if len(lines) != 2 || overflow {
+		t.Errorf("Expected 2 lines, got %d (overflow: %v): %v", len(lines), overflow, lines)
+	}
+	if string(lines[0]) != "hello world " {
+		t.Errorf("Expected first line 'hello world ', got %q", string(lines[0]))
+	}
+	if string(lines[1]) != "foo bar" {
+		t.Errorf("Expected second line 'foo bar', got %q", string(lines[1]))
+	}
+
+	// No word boundary: a single long word falls back to character wrap
+	chars2 := ToChars([]byte("abcdefghijklmnop"))
+	lines2, _ := chars2.Lines(false, 100, 10, 0, 8, true)
+	if len(lines2) != 2 {
+		t.Errorf("Expected 2 lines for long word, got %d: %v", len(lines2), lines2)
+	}
+	if string(lines2[0]) != "abcdefghij" {
+		t.Errorf("Expected first line 'abcdefghij', got %q", string(lines2[0]))
+	}
+
+	// Tab as word boundary
+	chars3 := ToChars([]byte("hello\tworld"))
+	lines3, _ := chars3.Lines(false, 100, 7, 0, 8, true)
+	// "hello\t" should break at tab (width of tab at pos 5 with tabstop 8 = 3, total width = 8 > 7)
+	// Actually RunesWidth: 'h'=1,'e'=1,'l'=1,'l'=1,'o'=1,'\t'=3 = 8 > 7, overflowIdx=5
+	// Then word-wrap scans back and finds no space/tab before idx 5 (tab IS at idx 5 but we check line[k-1])
+	// Wait - let me think: overflowIdx=5, we check k=5 -> line[4]='o', k=4 -> line[3]='l'... no space/tab found
+	// Falls back to character wrap: "hello" | "\tworld"
+	if len(lines3) < 2 {
+		t.Errorf("Expected at least 2 lines for tab test, got %d: %v", len(lines3), lines3)
+	}
+
+	// wrapWord=false still character-wraps
+	chars4 := ToChars([]byte("hello world"))
+	lines4, _ := chars4.Lines(false, 100, 8, 0, 8, false)
+	if len(lines4) != 2 {
+		t.Errorf("Expected 2 lines with wrapWord=false, got %d: %v", len(lines4), lines4)
+	}
+	if string(lines4[0]) != "hello wo" {
+		t.Errorf("Expected first line 'hello wo', got %q", string(lines4[0]))
+	}
+}