Fix truncation of colored line when --preview-window wrap is set

Fix #2346

src/terminal.go

@@ -1320,8 +1320,9 @@ func (t *Terminal) renderPreviewText(unchanged bool) {
 			prefixWidth := 0
 			_, _, ansi = extractColor(line, ansi, func(str string, ansi *ansiState) bool {
 				trimmed := []rune(str)
+				trimmedLen := 0
 				if !t.previewOpts.wrap {
-					trimmed, _ = t.trimRight(trimmed, maxWidth-t.pwindow.X())
+					trimmed, trimmedLen = t.trimRight(trimmed, maxWidth-t.pwindow.X())
 				}
 				str, width := t.processTabs(trimmed, prefixWidth)
 				prefixWidth += width
@@ -1331,7 +1332,8 @@ func (t *Terminal) renderPreviewText(unchanged bool) {
 				} else {
 					fillRet = t.pwindow.CFill(tui.ColPreview.Fg(), tui.ColPreview.Bg(), tui.AttrRegular, str)
 				}
-				return fillRet == tui.FillContinue || t.previewOpts.wrap && fillRet == tui.FillNextLine
+				return trimmedLen == 0 &&
+					(fillRet == tui.FillContinue || t.previewOpts.wrap && fillRet == tui.FillNextLine)
 			})
 			t.previewer.scrollable = t.previewer.scrollable || t.pwindow.Y() == height-1 && t.pwindow.X() == t.pwindow.Width()
 			if fillRet == tui.FillNextLine {

src/tui/light.go

@@ -906,12 +906,6 @@ func (w *LightWindow) fill(str string, onMove func()) FillReturn {
 	for i, line := range allLines {
 		lines := wrapLine(line, w.posx, w.width, w.tabstop)
 		for j, wl := range lines {
-			if w.posx >= w.Width()-1 && wl.displayWidth == 0 {
-				if w.posy < w.height-1 {
-					w.Move(w.posy+1, 0)
-				}
-				return FillNextLine
-			}
 			w.stderrInternal(wl.text, false)
 			w.posx += wl.displayWidth
 
@@ -926,6 +920,9 @@ func (w *LightWindow) fill(str string, onMove func()) FillReturn {
 			}
 		}
 	}
+	if w.posx >= w.Width()-1 {
+		return FillNextLine
+	}
 	return FillContinue
 }