Add 'transform-border-label' and 'transform-preview-label'

src/tui/light.go

@@ -719,25 +719,38 @@ func (r *LightRenderer) NewWindow(top int, left int, width int, height int, prev
 		w.fg = r.theme.Fg.Color
 		w.bg = r.theme.Bg.Color
 	}
-	w.drawBorder()
+	w.drawBorder(false)
 	return w
 }
 
-func (w *LightWindow) drawBorder() {
+func (w *LightWindow) DrawHBorder() {
+	w.drawBorder(true)
+}
+
+func (w *LightWindow) drawBorder(onlyHorizontal bool) {
 	switch w.border.shape {
 	case BorderRounded, BorderSharp, BorderBold, BorderDouble:
-		w.drawBorderAround()
+		w.drawBorderAround(onlyHorizontal)
 	case BorderHorizontal:
 		w.drawBorderHorizontal(true, true)
 	case BorderVertical:
+		if onlyHorizontal {
+			return
+		}
 		w.drawBorderVertical(true, true)
 	case BorderTop:
 		w.drawBorderHorizontal(true, false)
 	case BorderBottom:
 		w.drawBorderHorizontal(false, true)
 	case BorderLeft:
+		if onlyHorizontal {
+			return
+		}
 		w.drawBorderVertical(true, false)
 	case BorderRight:
+		if onlyHorizontal {
+			return
+		}
 		w.drawBorderVertical(false, true)
 	}
 }
@@ -779,23 +792,25 @@ func (w *LightWindow) drawBorderVertical(left, right bool) {
 	}
 }
 
-func (w *LightWindow) drawBorderAround() {
+func (w *LightWindow) drawBorderAround(onlyHorizontal bool) {
 	w.Move(0, 0)
 	color := ColBorder
 	if w.preview {
 		color = ColPreviewBorder
 	}
 	hw := runewidth.RuneWidth(w.border.horizontal)
-	vw := runewidth.RuneWidth(w.border.vertical)
 	tcw := runewidth.RuneWidth(w.border.topLeft) + runewidth.RuneWidth(w.border.topRight)
 	bcw := runewidth.RuneWidth(w.border.bottomLeft) + runewidth.RuneWidth(w.border.bottomRight)
 	rem := (w.width - tcw) % hw
 	w.CPrint(color, string(w.border.topLeft)+repeat(w.border.horizontal, (w.width-tcw)/hw)+repeat(' ', rem)+string(w.border.topRight))
-	for y := 1; y < w.height-1; y++ {
-		w.Move(y, 0)
-		w.CPrint(color, string(w.border.vertical))
-		w.CPrint(color, repeat(' ', w.width-vw*2))
-		w.CPrint(color, string(w.border.vertical))
+	if !onlyHorizontal {
+		vw := runewidth.RuneWidth(w.border.vertical)
+		for y := 1; y < w.height-1; y++ {
+			w.Move(y, 0)
+			w.CPrint(color, string(w.border.vertical))
+			w.CPrint(color, repeat(' ', w.width-vw*2))
+			w.CPrint(color, string(w.border.vertical))
+		}
 	}
 	w.Move(w.height-1, 0)
 	rem = (w.width - bcw) % hw
@@ -1040,7 +1055,7 @@ func (w *LightWindow) FinishFill() {
 }
 
 func (w *LightWindow) Erase() {
-	w.drawBorder()
+	w.drawBorder(false)
 	// We don't erase the window here to avoid flickering during scroll
 	w.Move(0, 0)
 }

src/tui/tcell.go

@@ -512,7 +512,7 @@ func (r *FullscreenRenderer) NewWindow(top int, left int, width int, height int,
 		height:      height,
 		normal:      normal,
 		borderStyle: borderStyle}
-	w.drawBorder()
+	w.drawBorder(false)
 	return w
 }
 
@@ -670,7 +670,11 @@ func (w *TcellWindow) CFill(fg Color, bg Color, a Attr, str string) FillReturn {
 	return w.fillString(str, NewColorPair(fg, bg, a))
 }
 
-func (w *TcellWindow) drawBorder() {
+func (w *TcellWindow) DrawHBorder() {
+	w.drawBorder(true)
+}
+
+func (w *TcellWindow) drawBorder(onlyHorizontal bool) {
 	shape := w.borderStyle.shape
 	if shape == BorderNone {
 		return
@@ -718,17 +722,19 @@ func (w *TcellWindow) drawBorder() {
 			_screen.SetContent(x, bot-1, w.borderStyle.horizontal, nil, style)
 		}
 	}
-	switch shape {
-	case BorderRounded, BorderSharp, BorderBold, BorderDouble, BorderVertical, BorderLeft:
-		for y := top; y < bot; y++ {
-			_screen.SetContent(left, y, w.borderStyle.vertical, nil, style)
+	if !onlyHorizontal {
+		switch shape {
+		case BorderRounded, BorderSharp, BorderBold, BorderDouble, BorderVertical, BorderLeft:
+			for y := top; y < bot; y++ {
+				_screen.SetContent(left, y, w.borderStyle.vertical, nil, style)
+			}
 		}
-	}
-	switch shape {
-	case BorderRounded, BorderSharp, BorderBold, BorderDouble, BorderVertical, BorderRight:
-		vw := runewidth.RuneWidth(w.borderStyle.vertical)
-		for y := top; y < bot; y++ {
-			_screen.SetContent(right-vw, y, w.borderStyle.vertical, nil, style)
+		switch shape {
+		case BorderRounded, BorderSharp, BorderBold, BorderDouble, BorderVertical, BorderRight:
+			vw := runewidth.RuneWidth(w.borderStyle.vertical)
+			for y := top; y < bot; y++ {
+				_screen.SetContent(right-vw, y, w.borderStyle.vertical, nil, style)
+			}
 		}
 	}
 	switch shape {

src/tui/tui.go

@@ -426,6 +426,7 @@ type Window interface {
 	Width() int
 	Height() int
 
+	DrawHBorder()
 	Refresh()
 	FinishFill()
 	Close()