Add {show,hide,toggle}-input and expose $FZF_INPUT_STATE

7 files changed, 147 insertions, 80 deletions

diff --git a/src/actiontype_string.go b/src/actiontype_string.go
index 123c0651..e178670f 100644
--- a/src/actiontype_string.go
+++ b/src/actiontype_string.go
@@ -66,80 +66,83 @@ func _() {
 	_ = x[actToggleMultiLine-55]
 	_ = x[actToggleHscroll-56]
 	_ = x[actTrackCurrent-57]
-	_ = x[actUntrackCurrent-58]
-	_ = x[actDown-59]
-	_ = x[actUp-60]
-	_ = x[actPageUp-61]
-	_ = x[actPageDown-62]
-	_ = x[actPosition-63]
-	_ = x[actHalfPageUp-64]
-	_ = x[actHalfPageDown-65]
-	_ = x[actOffsetUp-66]
-	_ = x[actOffsetDown-67]
-	_ = x[actOffsetMiddle-68]
-	_ = x[actJump-69]
-	_ = x[actJumpAccept-70]
-	_ = x[actPrintQuery-71]
-	_ = x[actRefreshPreview-72]
-	_ = x[actReplaceQuery-73]
-	_ = x[actToggleSort-74]
-	_ = x[actShowPreview-75]
-	_ = x[actHidePreview-76]
-	_ = x[actTogglePreview-77]
-	_ = x[actTogglePreviewWrap-78]
-	_ = x[actTransform-79]
-	_ = x[actTransformBorderLabel-80]
-	_ = x[actTransformListLabel-81]
-	_ = x[actTransformInputLabel-82]
-	_ = x[actTransformHeader-83]
-	_ = x[actTransformHeaderLabel-84]
-	_ = x[actTransformNth-85]
-	_ = x[actTransformPreviewLabel-86]
-	_ = x[actTransformPrompt-87]
-	_ = x[actTransformQuery-88]
-	_ = x[actTransformSearch-89]
-	_ = x[actSearch-90]
-	_ = x[actPreview-91]
-	_ = x[actChangePreview-92]
-	_ = x[actChangePreviewWindow-93]
-	_ = x[actPreviewTop-94]
-	_ = x[actPreviewBottom-95]
-	_ = x[actPreviewUp-96]
-	_ = x[actPreviewDown-97]
-	_ = x[actPreviewPageUp-98]
-	_ = x[actPreviewPageDown-99]
-	_ = x[actPreviewHalfPageUp-100]
-	_ = x[actPreviewHalfPageDown-101]
-	_ = x[actPrevHistory-102]
-	_ = x[actPrevSelected-103]
-	_ = x[actPrint-104]
-	_ = x[actPut-105]
-	_ = x[actNextHistory-106]
-	_ = x[actNextSelected-107]
-	_ = x[actExecute-108]
-	_ = x[actExecuteSilent-109]
-	_ = x[actExecuteMulti-110]
-	_ = x[actSigStop-111]
-	_ = x[actFirst-112]
-	_ = x[actLast-113]
-	_ = x[actReload-114]
-	_ = x[actReloadSync-115]
-	_ = x[actDisableSearch-116]
-	_ = x[actEnableSearch-117]
-	_ = x[actSelect-118]
-	_ = x[actDeselect-119]
-	_ = x[actUnbind-120]
-	_ = x[actRebind-121]
-	_ = x[actToggleBind-122]
-	_ = x[actBecome-123]
-	_ = x[actShowHeader-124]
-	_ = x[actHideHeader-125]
-	_ = x[actBell-126]
+	_ = x[actToggleInput-58]
+	_ = x[actHideInput-59]
+	_ = x[actShowInput-60]
+	_ = x[actUntrackCurrent-61]
+	_ = x[actDown-62]
+	_ = x[actUp-63]
+	_ = x[actPageUp-64]
+	_ = x[actPageDown-65]
+	_ = x[actPosition-66]
+	_ = x[actHalfPageUp-67]
+	_ = x[actHalfPageDown-68]
+	_ = x[actOffsetUp-69]
+	_ = x[actOffsetDown-70]
+	_ = x[actOffsetMiddle-71]
+	_ = x[actJump-72]
+	_ = x[actJumpAccept-73]
+	_ = x[actPrintQuery-74]
+	_ = x[actRefreshPreview-75]
+	_ = x[actReplaceQuery-76]
+	_ = x[actToggleSort-77]
+	_ = x[actShowPreview-78]
+	_ = x[actHidePreview-79]
+	_ = x[actTogglePreview-80]
+	_ = x[actTogglePreviewWrap-81]
+	_ = x[actTransform-82]
+	_ = x[actTransformBorderLabel-83]
+	_ = x[actTransformListLabel-84]
+	_ = x[actTransformInputLabel-85]
+	_ = x[actTransformHeader-86]
+	_ = x[actTransformHeaderLabel-87]
+	_ = x[actTransformNth-88]
+	_ = x[actTransformPreviewLabel-89]
+	_ = x[actTransformPrompt-90]
+	_ = x[actTransformQuery-91]
+	_ = x[actTransformSearch-92]
+	_ = x[actSearch-93]
+	_ = x[actPreview-94]
+	_ = x[actChangePreview-95]
+	_ = x[actChangePreviewWindow-96]
+	_ = x[actPreviewTop-97]
+	_ = x[actPreviewBottom-98]
+	_ = x[actPreviewUp-99]
+	_ = x[actPreviewDown-100]
+	_ = x[actPreviewPageUp-101]
+	_ = x[actPreviewPageDown-102]
+	_ = x[actPreviewHalfPageUp-103]
+	_ = x[actPreviewHalfPageDown-104]
+	_ = x[actPrevHistory-105]
+	_ = x[actPrevSelected-106]
+	_ = x[actPrint-107]
+	_ = x[actPut-108]
+	_ = x[actNextHistory-109]
+	_ = x[actNextSelected-110]
+	_ = x[actExecute-111]
+	_ = x[actExecuteSilent-112]
+	_ = x[actExecuteMulti-113]
+	_ = x[actSigStop-114]
+	_ = x[actFirst-115]
+	_ = x[actLast-116]
+	_ = x[actReload-117]
+	_ = x[actReloadSync-118]
+	_ = x[actDisableSearch-119]
+	_ = x[actEnableSearch-120]
+	_ = x[actSelect-121]
+	_ = x[actDeselect-122]
+	_ = x[actUnbind-123]
+	_ = x[actRebind-124]
+	_ = x[actToggleBind-125]
+	_ = x[actBecome-126]
+	_ = x[actShowHeader-127]
+	_ = x[actHideHeader-128]
+	_ = x[actBell-129]
 }
 
-const _actionType_name = "actIgnoreactStartactClickactInvalidactCharactMouseactBeginningOfLineactAbortactAcceptactAcceptNonEmptyactAcceptOrPrintQueryactBackwardCharactBackwardDeleteCharactBackwardDeleteCharEofactBackwardWordactCancelactChangeBorderLabelactChangeListLabelactChangeInputLabelactChangeHeaderactChangeHeaderLabelactChangeMultiactChangePreviewLabelactChangePromptactChangeQueryactChangeNthactClearScreenactClearQueryactClearSelectionactCloseactDeleteCharactDeleteCharEofactEndOfLineactFatalactForwardCharactForwardWordactKillLineactKillWordactUnixLineDiscardactUnixWordRuboutactYankactBackwardKillWordactSelectAllactDeselectAllactToggleactToggleSearchactToggleAllactToggleDownactToggleUpactToggleInactToggleOutactToggleTrackactToggleTrackCurrentactToggleHeaderactToggleWrapactToggleMultiLineactToggleHscrollactTrackCurrentactUntrackCurrentactDownactUpactPageUpactPageDownactPositionactHalfPageUpactHalfPageDownactOffsetUpactOffsetDownactOffsetMiddleactJumpactJumpAcceptactPrintQueryactRefreshPreviewactReplaceQueryactToggleSortactShowPreviewactHidePreviewactTogglePreviewactTogglePreviewWrapactTransformactTransformBorderLabelactTransformListLabelactTransformInputLabelactTransformHeaderactTransformHeaderLabelactTransformNthactTransformPreviewLabelactTransformPromptactTransformQueryactTransformSearchactSearchactPreviewactChangePreviewactChangePreviewWindowactPreviewTopactPreviewBottomactPreviewUpactPreviewDownactPreviewPageUpactPreviewPageDownactPreviewHalfPageUpactPreviewHalfPageDownactPrevHistoryactPrevSelectedactPrintactPutactNextHistoryactNextSelectedactExecuteactExecuteSilentactExecuteMultiactSigStopactFirstactLastactReloadactReloadSyncactDisableSearchactEnableSearchactSelectactDeselectactUnbindactRebindactToggleBindactBecomeactShowHeaderactHideHeaderactBell"
+const _actionType_name = "actIgnoreactStartactClickactInvalidactCharactMouseactBeginningOfLineactAbortactAcceptactAcceptNonEmptyactAcceptOrPrintQueryactBackwardCharactBackwardDeleteCharactBackwardDeleteCharEofactBackwardWordactCancelactChangeBorderLabelactChangeListLabelactChangeInputLabelactChangeHeaderactChangeHeaderLabelactChangeMultiactChangePreviewLabelactChangePromptactChangeQueryactChangeNthactClearScreenactClearQueryactClearSelectionactCloseactDeleteCharactDeleteCharEofactEndOfLineactFatalactForwardCharactForwardWordactKillLineactKillWordactUnixLineDiscardactUnixWordRuboutactYankactBackwardKillWordactSelectAllactDeselectAllactToggleactToggleSearchactToggleAllactToggleDownactToggleUpactToggleInactToggleOutactToggleTrackactToggleTrackCurrentactToggleHeaderactToggleWrapactToggleMultiLineactToggleHscrollactTrackCurrentactToggleInputactHideInputactShowInputactUntrackCurrentactDownactUpactPageUpactPageDownactPositionactHalfPageUpactHalfPageDownactOffsetUpactOffsetDownactOffsetMiddleactJumpactJumpAcceptactPrintQueryactRefreshPreviewactReplaceQueryactToggleSortactShowPreviewactHidePreviewactTogglePreviewactTogglePreviewWrapactTransformactTransformBorderLabelactTransformListLabelactTransformInputLabelactTransformHeaderactTransformHeaderLabelactTransformNthactTransformPreviewLabelactTransformPromptactTransformQueryactTransformSearchactSearchactPreviewactChangePreviewactChangePreviewWindowactPreviewTopactPreviewBottomactPreviewUpactPreviewDownactPreviewPageUpactPreviewPageDownactPreviewHalfPageUpactPreviewHalfPageDownactPrevHistoryactPrevSelectedactPrintactPutactNextHistoryactNextSelectedactExecuteactExecuteSilentactExecuteMultiactSigStopactFirstactLastactReloadactReloadSyncactDisableSearchactEnableSearchactSelectactDeselectactUnbindactRebindactToggleBindactBecomeactShowHeaderactHideHeaderactBell"
 
-var _actionType_index = [...]uint16{0, 9, 17, 25, 35, 42, 50, 68, 76, 85, 102, 123, 138, 159, 183, 198, 207, 227, 245, 264, 279, 299, 313, 334, 349, 363, 375, 389, 402, 419, 427, 440, 456, 468, 476, 490, 504, 515, 526, 544, 561, 568, 587, 599, 613, 622, 637, 649, 662, 673, 684, 696, 710, 731, 746, 759, 777, 793, 808, 825, 832, 837, 846, 857, 868, 881, 896, 907, 920, 935, 942, 955, 968, 985, 1000, 1013, 1027, 1041, 1057, 1077, 1089, 1112, 1133, 1155, 1173, 1196, 1211, 1235, 1253, 1270, 1288, 1297, 1307, 1323, 1345, 1358, 1374, 1386, 1400, 1416, 1434, 1454, 1476, 1490, 1505, 1513, 1519, 1533, 1548, 1558, 1574, 1589, 1599, 1607, 1614, 1623, 1636, 1652, 1667, 1676, 1687, 1696, 1705, 1718, 1727, 1740, 1753, 1760}
+var _actionType_index = [...]uint16{0, 9, 17, 25, 35, 42, 50, 68, 76, 85, 102, 123, 138, 159, 183, 198, 207, 227, 245, 264, 279, 299, 313, 334, 349, 363, 375, 389, 402, 419, 427, 440, 456, 468, 476, 490, 504, 515, 526, 544, 561, 568, 587, 599, 613, 622, 637, 649, 662, 673, 684, 696, 710, 731, 746, 759, 777, 793, 808, 822, 834, 846, 863, 870, 875, 884, 895, 906, 919, 934, 945, 958, 973, 980, 993, 1006, 1023, 1038, 1051, 1065, 1079, 1095, 1115, 1127, 1150, 1171, 1193, 1211, 1234, 1249, 1273, 1291, 1308, 1326, 1335, 1345, 1361, 1383, 1396, 1412, 1424, 1438, 1454, 1472, 1492, 1514, 1528, 1543, 1551, 1557, 1571, 1586, 1596, 1612, 1627, 1637, 1645, 1652, 1661, 1674, 1690, 1705, 1714, 1725, 1734, 1743, 1756, 1765, 1778, 1791, 1798}
 
 func (i actionType) String() string {
 	if i < 0 || i >= actionType(len(_actionType_index)-1) {
diff --git a/src/options.go b/src/options.go
index a22916e3..b7eed83c 100644
--- a/src/options.go
+++ b/src/options.go
@@ -1500,6 +1500,12 @@ func parseActionList(masked string, original string, prevActions []*action, putA
 			appendAction(actToggleTrack)
 		case "toggle-track-current":
 			appendAction(actToggleTrackCurrent)
+		case "toggle-input":
+			appendAction(actToggleInput)
+		case "hide-input":
+			appendAction(actHideInput)
+		case "show-input":
+			appendAction(actShowInput)
 		case "toggle-header":
 			appendAction(actToggleHeader)
 		case "toggle-wrap":
diff --git a/src/terminal.go b/src/terminal.go
index d6e7eadc..1a738da9 100644
--- a/src/terminal.go
+++ b/src/terminal.go
@@ -505,6 +505,9 @@ const (
 	actToggleMultiLine
 	actToggleHscroll
 	actTrackCurrent
+	actToggleInput
+	actHideInput
+	actShowInput
 	actUntrackCurrent
 	actDown
 	actUp
@@ -1064,6 +1067,13 @@ func (t *Terminal) environImpl(forPreview bool) []string {
 	if len(t.nthCurrent) > 0 {
 		env = append(env, "FZF_NTH="+RangesToString(t.nthCurrent))
 	}
+	inputState := "enabled"
+	if t.inputless {
+		inputState = "hidden"
+	} else if t.paused {
+		inputState = "disabled"
+	}
+	env = append(env, "FZF_INPUT_STATE="+inputState)
 	env = append(env, fmt.Sprintf("FZF_TOTAL_COUNT=%d", t.count))
 	env = append(env, fmt.Sprintf("FZF_MATCH_COUNT=%d", t.merger.Length()))
 	env = append(env, fmt.Sprintf("FZF_SELECT_COUNT=%d", len(t.selected)))
@@ -2492,22 +2502,29 @@ func (t *Terminal) printInfoImpl() {
 	}
 }
 
-func (t *Terminal) printHeader() {
+func (t *Terminal) resizeIfNeeded() bool {
+	// Check if input border is used and input has changed
+	if t.inputBorderShape.Visible() && t.inputWindow == nil && !t.inputless {
+		t.printAll()
+		return true
+	}
+
+	// Check if the header borders are used and header has changed
 	allHeaderLines := t.visibleHeaderLines()
 	primaryHeaderLines := allHeaderLines
 	if t.headerLinesShape.Visible() {
 		primaryHeaderLines -= t.headerLines
 	}
-	// We may need to resize header windows
 	if (t.headerBorderShape.Visible() || t.headerLinesShape.Visible()) &&
 		(t.headerWindow == nil && primaryHeaderLines > 0 || t.headerWindow != nil && primaryHeaderLines != t.headerWindow.Height()) ||
 		t.headerLinesShape.Visible() && (t.headerLinesWindow == nil && t.headerLines > 0 || t.headerLinesWindow != nil && t.headerLines != t.headerLinesWindow.Height()) {
-		t.resizeWindows(false, true)
-		t.printList()
-		t.printPrompt()
-		t.printInfo()
-		t.printPreview()
+		t.printAll()
+		return true
 	}
+	return false
+}
+
+func (t *Terminal) printHeader() {
 	if !t.headerVisible {
 		return
 	}
@@ -4498,7 +4515,11 @@ func (t *Terminal) Loop() error {
 				//  U t.uiMutex                 |
 				t.uiMutex.Lock()
 				t.mutex.Lock()
-				printInfo := util.RunOnce(t.printInfo)
+				printInfo := util.RunOnce(func() {
+					if !t.resizeIfNeeded() {
+						t.printInfo()
+					}
+				})
 				for _, key := range keys {
 					req := util.EventType(key)
 					value := (*events)[req]
@@ -4540,7 +4561,9 @@ func (t *Terminal) Loop() error {
 						}
 						t.printList()
 					case reqHeader:
-						t.printHeader()
+						if !t.resizeIfNeeded() {
+							t.printHeader()
+						}
 					case reqActivate:
 						t.suppress = false
 						if t.hasPreviewer() {
@@ -4796,6 +4819,7 @@ func (t *Terminal) Loop() error {
 			return true
 		}
 		doAction = func(a *action) bool {
+		Action:
 			switch a.t {
 			case actIgnore, actStart, actClick:
 			case actBecome:
@@ -5416,6 +5440,28 @@ func (t *Terminal) Loop() error {
 				t.forceRerenderList()
 				t.hscroll = !t.hscroll
 				req(reqList)
+			case actToggleInput, actShowInput, actHideInput:
+				switch a.t {
+				case actToggleInput:
+					t.inputless = !t.inputless
+				case actShowInput:
+					if !t.inputless {
+						break Action
+					}
+					t.inputless = false
+				case actHideInput:
+					if t.inputless {
+						break Action
+					}
+					t.inputless = true
+				}
+				t.forceRerenderList()
+				if t.inputless {
+					t.tui.HideCursor()
+				} else {
+					t.tui.ShowCursor()
+				}
+				req(reqList, reqInfo, reqPrompt, reqHeader)
 			case actTrackCurrent:
 				if t.track == trackDisabled {
 					t.track = trackCurrent
diff --git a/src/tui/dummy.go b/src/tui/dummy.go
index 8dd58457..cd856233 100644
--- a/src/tui/dummy.go
+++ b/src/tui/dummy.go
@@ -46,6 +46,7 @@ func (r *FullscreenRenderer) NeedScrollbarRedraw() bool          { return false
 func (r *FullscreenRenderer) ShouldEmitResizeEvent() bool        { return false }
 func (r *FullscreenRenderer) Bell()                              {}
 func (r *FullscreenRenderer) HideCursor()                        {}
+func (r *FullscreenRenderer) ShowCursor()                        {}
 func (r *FullscreenRenderer) Refresh()                           {}
 func (r *FullscreenRenderer) Close()                             {}
 func (r *FullscreenRenderer) Size() TermSize                     { return TermSize{} }
diff --git a/src/tui/light.go b/src/tui/light.go
index 7b40efbb..ab7bd87f 100644
--- a/src/tui/light.go
+++ b/src/tui/light.go
@@ -1228,4 +1228,10 @@ func (w *LightWindow) EraseMaybe() bool {
 
 func (r *LightRenderer) HideCursor() {
 	r.showCursor = false
+	r.csi("?25l")
+}
+
+func (r *LightRenderer) ShowCursor() {
+	r.showCursor = true
+	r.csi("?25h")
 }
diff --git a/src/tui/tcell.go b/src/tui/tcell.go
index 9d6fde80..5f70f54a 100644
--- a/src/tui/tcell.go
+++ b/src/tui/tcell.go
@@ -111,6 +111,10 @@ func (r *FullscreenRenderer) HideCursor() {
 	r.showCursor = false
 }
 
+func (r *FullscreenRenderer) ShowCursor() {
+	r.showCursor = true
+}
+
 func (r *FullscreenRenderer) PassThrough(str string) {
 	// No-op
 	// https://github.com/gdamore/tcell/pull/650#issuecomment-1806442846
diff --git a/src/tui/tui.go b/src/tui/tui.go
index 0c778ad6..8423c631 100644
--- a/src/tui/tui.go
+++ b/src/tui/tui.go
@@ -616,6 +616,7 @@ type Renderer interface {
 	ShouldEmitResizeEvent() bool
 	Bell()
 	HideCursor()
+	ShowCursor()
 
 	GetChar() Event