9 "github.com/mattn/go-runewidth"
10 "github.com/mitchellh/go-homedir"
11 "github.com/zyedidia/tcell"
17 vtDefault ViewType = iota
22 // The View struct stores information about a view into a buffer.
23 // It stores information about the cursor, and the viewport
24 // that the user sees the buffer from.
26 // A pointer to the buffer's cursor for ease of access
29 // The topmost line, used for vertical scrolling
31 // The leftmost column, used for horizontal scrolling
34 // Specifies whether or not this view holds a help buffer
37 // Actual width and height
44 // Where this view is located
47 // How much to offset because of line numbers
50 // Holds the list of gutter messages
51 messages map[string][]GutterMessage
53 // This is the index of this view in the views array
55 // What tab is this view stored in
63 // Since tcell doesn't differentiate between a mouse release event
64 // and a mouse move event with no keys pressed, we need to keep
65 // track of whether or not the mouse was pressed (or not released) last event to determine
66 // mouse release events
69 // This stores when the last click was
70 // This is useful for detecting double and triple clicks
71 lastClickTime time.Time
73 // lastCutTime stores when the last ctrl+k was issued.
74 // It is used for clearing the clipboard to replace it with fresh cut lines.
77 // freshClip returns true if the clipboard has never been pasted.
80 // Was the last mouse event actually a double click?
81 // Useful for detecting triple clicks -- if a double click is detected
82 // but the last mouse event was actually a double click, it's a triple click
84 // Same here, just to keep track for mouse move events
87 // Syntax highlighting matches
93 // NewView returns a new fullscreen view
94 func NewView(buf *Buffer) *View {
95 screenW, screenH := screen.Size()
96 return NewViewWidthHeight(buf, screenW, screenH)
99 // NewViewWidthHeight returns a new view with the specified width and height
100 // Note that w and h are raw column and row values
101 func NewViewWidthHeight(buf *Buffer, w, h int) *View {
113 v.messages = make(map[string][]GutterMessage)
115 v.sline = Statusline{
119 if v.Buf.Settings["statusline"].(bool) {
123 for pl := range loadedPlugins {
124 _, err := Call(pl+".onViewOpen", v)
125 if err != nil && !strings.HasPrefix(err.Error(), "function does not exist") {
134 // ToggleStatusLine creates an extra row for the statusline if necessary
135 func (v *View) ToggleStatusLine() {
136 if v.Buf.Settings["statusline"].(bool) {
143 // ToggleTabbar creates an extra row for the tabbar if necessary
144 func (v *View) ToggleTabbar() {
147 // Include one line for the tab bar at the top
159 func (v *View) paste(clip string) {
160 leadingWS := GetLeadingWhitespace(v.Buf.Line(v.Cursor.Y))
162 if v.Cursor.HasSelection() {
163 v.Cursor.DeleteSelection()
164 v.Cursor.ResetSelection()
166 clip = strings.Replace(clip, "\n", "\n"+leadingWS, -1)
167 v.Buf.Insert(v.Cursor.Loc, clip)
168 v.Cursor.Loc = v.Cursor.Loc.Move(Count(clip), v.Buf)
170 messenger.Message("Pasted clipboard")
173 // ScrollUp scrolls the view up n lines (if possible)
174 func (v *View) ScrollUp(n int) {
175 // Try to scroll by n but if it would overflow, scroll by 1
176 if v.Topline-n >= 0 {
178 } else if v.Topline > 0 {
183 // ScrollDown scrolls the view down n lines (if possible)
184 func (v *View) ScrollDown(n int) {
185 // Try to scroll by n but if it would overflow, scroll by 1
186 if v.Topline+n <= v.Buf.NumLines-v.Height {
188 } else if v.Topline < v.Buf.NumLines-v.Height {
193 // CanClose returns whether or not the view can be closed
194 // If there are unsaved changes, the user will be asked if the view can be closed
195 // causing them to lose the unsaved changes
196 func (v *View) CanClose() bool {
197 if v.Type == vtDefault && v.Buf.IsModified {
200 if v.Buf.Settings["autosave"].(bool) {
203 char, canceled = messenger.LetterPrompt("Save changes to "+v.Buf.GetName()+" before closing? (y,n,esc) ", 'y', 'n')
209 } else if char == 'n' {
219 // OpenBuffer opens a new buffer in this view.
220 // This resets the topline, event handler and cursor.
221 func (v *View) OpenBuffer(buf *Buffer) {
225 v.Cursor = &buf.Cursor
228 v.Cursor.ResetSelection()
231 v.messages = make(map[string][]GutterMessage)
235 // Set mouseReleased to true because we assume the mouse is not being pressed when
236 // the editor is opened
237 v.mouseReleased = true
238 v.lastClickTime = time.Time{}
241 // Open opens the given file in the view
242 func (v *View) Open(filename string) {
243 home, _ := homedir.Dir()
244 filename = strings.Replace(filename, "~", home, 1)
245 file, err := os.Open(filename)
250 messenger.Message(err.Error())
251 // File does not exist -- create an empty buffer with that name
252 buf = NewBuffer(strings.NewReader(""), filename)
254 buf = NewBuffer(file, filename)
259 // CloseBuffer performs any closing functions on the buffer
260 func (v *View) CloseBuffer() {
266 // ReOpen reloads the current buffer
267 func (v *View) ReOpen() {
276 // HSplit opens a horizontal split with the given buffer
277 func (v *View) HSplit(buf *Buffer) {
279 if v.Buf.Settings["splitBottom"].(bool) {
282 v.splitNode.HSplit(buf, v.Num+i)
285 // VSplit opens a vertical split with the given buffer
286 func (v *View) VSplit(buf *Buffer) {
288 if v.Buf.Settings["splitRight"].(bool) {
291 v.splitNode.VSplit(buf, v.Num+i)
294 // HSplitIndex opens a horizontal split with the given buffer at the given index
295 func (v *View) HSplitIndex(buf *Buffer, splitIndex int) {
296 v.splitNode.HSplit(buf, splitIndex)
299 // VSplitIndex opens a vertical split with the given buffer at the given index
300 func (v *View) VSplitIndex(buf *Buffer, splitIndex int) {
301 v.splitNode.VSplit(buf, splitIndex)
304 // GetSoftWrapLocation gets the location of a visual click on the screen and converts it to col,line
305 func (v *View) GetSoftWrapLocation(vx, vy int) (int, int) {
306 if !v.Buf.Settings["softwrap"].(bool) {
307 if vy >= v.Buf.NumLines {
308 vy = v.Buf.NumLines - 1
310 vx = v.Cursor.GetCharPosInLine(vy, vx)
314 screenX, screenY := 0, v.Topline
315 for lineN := v.Topline; lineN < v.Bottomline(); lineN++ {
316 line := v.Buf.Line(lineN)
317 if lineN >= v.Buf.NumLines {
318 return 0, v.Buf.NumLines - 1
322 for _, ch := range line {
323 if screenX >= v.Width-v.lineNumOffset {
328 if screenX == vx && screenY == vy {
333 screenX += int(v.Buf.Settings["tabsize"].(float64)) - 1
349 func (v *View) Bottomline() int {
350 if !v.Buf.Settings["softwrap"].(bool) {
351 return v.Topline + v.Height
354 screenX, screenY := 0, 0
356 for lineN := v.Topline; lineN < v.Topline+v.Height; lineN++ {
357 line := v.Buf.Line(lineN)
360 for _, ch := range line {
361 if screenX >= v.Width-v.lineNumOffset {
367 screenX += int(v.Buf.Settings["tabsize"].(float64)) - 1
377 if screenY >= v.Height {
381 return numLines + v.Topline
384 // Relocate moves the view window so that the cursor is in view
385 // This is useful if the user has scrolled far away, and then starts typing
386 func (v *View) Relocate() bool {
387 height := v.Bottomline() - v.Topline
390 scrollmargin := int(v.Buf.Settings["scrollmargin"].(float64))
391 if cy < v.Topline+scrollmargin && cy > scrollmargin-1 {
392 v.Topline = cy - scrollmargin
394 } else if cy < v.Topline {
398 if cy > v.Topline+height-1-scrollmargin && cy < v.Buf.NumLines-scrollmargin {
399 v.Topline = cy - height + 1 + scrollmargin
401 } else if cy >= v.Buf.NumLines-scrollmargin && cy > height {
402 v.Topline = v.Buf.NumLines - height
406 if !v.Buf.Settings["softwrap"].(bool) {
407 cx := v.Cursor.GetVisualX()
412 if cx+v.lineNumOffset+1 > v.leftCol+v.Width {
413 v.leftCol = cx - v.Width + v.lineNumOffset + 1
420 // MoveToMouseClick moves the cursor to location x, y assuming x, y were given
422 func (v *View) MoveToMouseClick(x, y int) {
423 if y-v.Topline > v.Height-1 {
425 y = v.Height + v.Topline - 1
434 x, y = v.GetSoftWrapLocation(x, y)
435 // x = v.Cursor.GetCharPosInLine(y, x)
436 if x > Count(v.Buf.Line(y)) {
437 x = Count(v.Buf.Line(y))
441 v.Cursor.LastVisualX = v.Cursor.GetVisualX()
444 // HandleEvent handles an event passed by the main loop
445 func (v *View) HandleEvent(event tcell.Event) {
446 // This bool determines whether the view is relocated at the end of the function
447 // By default it's true because most events should cause a relocate
452 switch e := event.(type) {
453 case *tcell.EventResize:
455 tabs[v.TabNum].Resize()
456 case *tcell.EventKey:
457 // Check first if input is a key binding, if it is we 'eat' the input and don't insert a rune
459 if e.Key() != tcell.KeyRune || e.Modifiers() != 0 {
460 for key, actions := range bindings {
461 if e.Key() == key.keyCode {
462 if e.Key() == tcell.KeyRune {
463 if e.Rune() != key.r {
467 if e.Modifiers() == key.modifiers {
470 for _, action := range actions {
471 relocate = action(v, true) || relocate
472 funcName := FuncName(action)
473 if funcName != "main.(*View).ToggleMacro" && funcName != "main.(*View).PlayMacro" {
475 curMacro = append(curMacro, action)
484 if !isBinding && e.Key() == tcell.KeyRune {
485 // Insert a character
486 if v.Cursor.HasSelection() {
487 v.Cursor.DeleteSelection()
488 v.Cursor.ResetSelection()
490 v.Buf.Insert(v.Cursor.Loc, string(e.Rune()))
493 for pl := range loadedPlugins {
494 _, err := Call(pl+".onRune", string(e.Rune()), v)
495 if err != nil && !strings.HasPrefix(err.Error(), "function does not exist") {
501 curMacro = append(curMacro, e.Rune())
504 case *tcell.EventPaste:
505 if !PreActionCall("Paste", v) {
511 PostActionCall("Paste", v)
512 case *tcell.EventMouse:
514 x -= v.lineNumOffset - v.leftCol + v.x
516 // Don't relocate for mouse events
519 button := e.Buttons()
525 v.MoveToMouseClick(x, y)
526 if time.Since(v.lastClickTime)/time.Millisecond < doubleClickThreshold {
529 v.lastClickTime = time.Now()
532 v.doubleClick = false
534 v.Cursor.SelectLine()
537 v.lastClickTime = time.Now()
540 v.tripleClick = false
542 v.Cursor.SelectWord()
545 v.doubleClick = false
546 v.tripleClick = false
547 v.lastClickTime = time.Now()
549 v.Cursor.OrigSelection[0] = v.Cursor.Loc
550 v.Cursor.CurSelection[0] = v.Cursor.Loc
551 v.Cursor.CurSelection[1] = v.Cursor.Loc
553 v.mouseReleased = false
554 } else if !v.mouseReleased {
555 v.MoveToMouseClick(x, y)
557 v.Cursor.AddLineToSelection()
558 } else if v.doubleClick {
559 v.Cursor.AddWordToSelection()
561 v.Cursor.SetSelectionEnd(v.Cursor.Loc)
565 // Middle mouse button was clicked,
566 // We should paste primary
568 case tcell.ButtonNone:
569 // Mouse event with no click
570 if !v.mouseReleased {
571 // Mouse was just released
573 // Relocating here isn't really necessary because the cursor will
574 // be in the right place from the last mouse event
575 // However, if we are running in a terminal that doesn't support mouse motion
576 // events, this still allows the user to make selections, except only after they
579 if !v.doubleClick && !v.tripleClick {
580 v.MoveToMouseClick(x, y)
581 v.Cursor.SetSelectionEnd(v.Cursor.Loc)
583 v.mouseReleased = true
587 scrollspeed := int(v.Buf.Settings["scrollspeed"].(float64))
588 v.ScrollUp(scrollspeed)
589 case tcell.WheelDown:
591 scrollspeed := int(v.Buf.Settings["scrollspeed"].(float64))
592 v.ScrollDown(scrollspeed)
601 // GutterMessage creates a message in this view's gutter
602 func (v *View) GutterMessage(section string, lineN int, msg string, kind int) {
604 gutterMsg := GutterMessage{
609 for _, v := range v.messages {
610 for _, gmsg := range v {
611 if gmsg.lineNum == lineN {
616 messages := v.messages[section]
617 v.messages[section] = append(messages, gutterMsg)
620 // ClearGutterMessages clears all gutter messages from a given section
621 func (v *View) ClearGutterMessages(section string) {
622 v.messages[section] = []GutterMessage{}
625 // ClearAllGutterMessages clears all the gutter messages
626 func (v *View) ClearAllGutterMessages() {
627 for k := range v.messages {
628 v.messages[k] = []GutterMessage{}
632 // Opens the given help page in a new horizontal split
633 func (v *View) openHelp(helpPage string) {
634 if data, err := FindRuntimeFile(RTHelp, helpPage).Data(); err != nil {
635 TermMessage("Unable to load help text", helpPage, "\n", err)
637 helpBuffer := NewBuffer(strings.NewReader(string(data)), helpPage+".md")
638 helpBuffer.name = "Help"
640 if v.Type == vtHelp {
641 v.OpenBuffer(helpBuffer)
644 CurView().Type = vtHelp
649 func (v *View) drawCell(x, y int, ch rune, combc []rune, style tcell.Style) {
650 if x >= v.x && x < v.x+v.Width && y >= v.y && y < v.y+v.Height {
651 screen.SetContent(x, y, ch, combc, style)
655 // DisplayView renders the view to the screen
656 func (v *View) DisplayView() {
658 // Log views should always follow the cursor...
662 if v.Buf.Settings["syntax"].(bool) {
666 // The charNum we are currently displaying
667 // starts at the start of the viewport
668 charNum := Loc{0, v.Topline}
670 // Convert the length of buffer to a string, and get the length of the string
671 // We are going to have to offset by that amount
672 maxLineLength := len(strconv.Itoa(v.Buf.NumLines))
674 if v.Buf.Settings["ruler"] == true {
675 // + 1 for the little space after the line number
676 v.lineNumOffset = maxLineLength + 1
681 // We need to add to the line offset if there are gutter messages
682 var hasGutterMessages bool
683 for _, v := range v.messages {
685 hasGutterMessages = true
688 if hasGutterMessages {
693 // One space for the extra split divider
697 // These represent the current screen coordinates
698 screenX, screenY := v.x, v.y-1
700 highlightStyle := defStyle
703 // ViewLine is the current line from the top of the viewport
704 for viewLine := 0; viewLine < v.Height; viewLine++ {
708 // This is the current line number of the buffer that we are drawing
709 curLineN = viewLine + v.Topline
711 if screenY-v.y >= v.Height {
716 // Draw the split divider
717 v.drawCell(screenX, screenY, '|', nil, defStyle.Reverse(true))
721 // If the buffer is smaller than the view height we have to clear all this space
722 if curLineN >= v.Buf.NumLines {
723 for i := screenX; i < v.x+v.Width; i++ {
724 v.drawCell(i, screenY, ' ', nil, defStyle)
729 line := v.Buf.Line(curLineN)
731 // If there are gutter messages we need to display the '>>' symbol here
732 if hasGutterMessages {
733 // msgOnLine stores whether or not there is a gutter message on this line in particular
735 for k := range v.messages {
736 for _, msg := range v.messages[k] {
737 if msg.lineNum == curLineN {
739 gutterStyle := defStyle
742 if style, ok := colorscheme["gutter-info"]; ok {
746 if style, ok := colorscheme["gutter-warning"]; ok {
750 if style, ok := colorscheme["gutter-error"]; ok {
754 v.drawCell(screenX, screenY, '>', nil, gutterStyle)
756 v.drawCell(screenX, screenY, '>', nil, gutterStyle)
758 if v.Cursor.Y == curLineN && !messenger.hasPrompt {
759 messenger.Message(msg.msg)
760 messenger.gutterMessage = true
765 // If there is no message on this line we just display an empty offset
767 v.drawCell(screenX, screenY, ' ', nil, defStyle)
769 v.drawCell(screenX, screenY, ' ', nil, defStyle)
771 if v.Cursor.Y == curLineN && messenger.gutterMessage {
773 messenger.gutterMessage = false
778 lineNumStyle := defStyle
779 if v.Buf.Settings["ruler"] == true {
780 // Write the line number
781 if style, ok := colorscheme["line-number"]; ok {
784 if style, ok := colorscheme["current-line-number"]; ok {
785 if curLineN == v.Cursor.Y && tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() {
790 lineNum := strconv.Itoa(curLineN + 1)
792 // Write the spaces before the line number if necessary
793 for i := 0; i < maxLineLength-len(lineNum); i++ {
794 v.drawCell(screenX, screenY, ' ', nil, lineNumStyle)
797 // Write the actual line number
798 for _, ch := range lineNum {
799 v.drawCell(screenX, screenY, ch, nil, lineNumStyle)
803 // Write the extra space
804 v.drawCell(screenX, screenY, ' ', nil, lineNumStyle)
808 // Now we actually draw the line
811 tabSize := int(v.Buf.Settings["tabsize"].(float64))
812 for _, ch := range line {
813 if v.Buf.Settings["softwrap"].(bool) {
814 if screenX-v.x >= v.Width {
818 if hasGutterMessages {
819 v.drawCell(v.x+x, screenY, ' ', nil, defStyle)
821 v.drawCell(v.x+x, screenY, ' ', nil, defStyle)
824 for i := 0; i < v.lineNumOffset; i++ {
825 screen.SetContent(v.x+i+x, screenY, ' ', nil, lineNumStyle)
827 screenX = v.x + v.lineNumOffset
831 if tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() && v.Cursor.Y == curLineN && colN == v.Cursor.X {
832 v.DisplayCursor(screenX-v.leftCol, screenY)
835 lineStyle := defStyle
837 if v.Buf.Settings["syntax"].(bool) {
838 // Syntax highlighting is enabled
839 highlightStyle = v.matches[viewLine][colN]
842 if v.Cursor.HasSelection() &&
843 (charNum.GreaterEqual(v.Cursor.CurSelection[0]) && charNum.LessThan(v.Cursor.CurSelection[1]) ||
844 charNum.LessThan(v.Cursor.CurSelection[0]) && charNum.GreaterEqual(v.Cursor.CurSelection[1])) {
845 // The current character is selected
846 lineStyle = defStyle.Reverse(true)
848 if style, ok := colorscheme["selection"]; ok {
852 lineStyle = highlightStyle
855 // We need to display the background of the linestyle with the correct color if cursorline is enabled
856 // and this is the current view and there is no selection on this line and the cursor is on this line
857 if v.Buf.Settings["cursorline"].(bool) && tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() && v.Cursor.Y == curLineN {
858 if style, ok := colorscheme["cursor-line"]; ok {
859 fg, _, _ := style.Decompose()
860 lineStyle = lineStyle.Background(fg)
865 // If the character we are displaying is a tab, we need to do a bunch of special things
867 // First the user may have configured an `indent-char` to be displayed to show that this
868 // is a tab character
869 lineIndentStyle := defStyle
870 if style, ok := colorscheme["indent-char"]; ok && v.Buf.Settings["indentchar"].(string) != " " {
871 lineIndentStyle = style
873 if v.Cursor.HasSelection() &&
874 (charNum.GreaterEqual(v.Cursor.CurSelection[0]) && charNum.LessThan(v.Cursor.CurSelection[1]) ||
875 charNum.LessThan(v.Cursor.CurSelection[0]) && charNum.GreaterEqual(v.Cursor.CurSelection[1])) {
877 lineIndentStyle = defStyle.Reverse(true)
879 if style, ok := colorscheme["selection"]; ok {
880 lineIndentStyle = style
883 if v.Buf.Settings["cursorline"].(bool) && tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() && v.Cursor.Y == curLineN {
884 if style, ok := colorscheme["cursor-line"]; ok {
885 fg, _, _ := style.Decompose()
886 lineIndentStyle = lineIndentStyle.Background(fg)
889 // Here we get the indent char
890 indentChar := []rune(v.Buf.Settings["indentchar"].(string))
891 if screenX-v.x-v.leftCol >= v.lineNumOffset {
892 v.drawCell(screenX-v.leftCol, screenY, indentChar[0], nil, lineIndentStyle)
894 // Now the tab has to be displayed as a bunch of spaces
896 remainder := tabSize - (visLoc % tabSize)
897 for i := 0; i < remainder-1; i++ {
899 if screenX-v.x-v.leftCol >= v.lineNumOffset {
900 v.drawCell(screenX-v.leftCol, screenY, ' ', nil, lineStyle)
903 strWidth += remainder
904 } else if runewidth.RuneWidth(ch) > 1 {
905 if screenX-v.x-v.leftCol >= v.lineNumOffset {
906 v.drawCell(screenX, screenY, ch, nil, lineStyle)
908 for i := 0; i < runewidth.RuneWidth(ch)-1; i++ {
910 if screenX-v.x-v.leftCol >= v.lineNumOffset {
911 v.drawCell(screenX-v.leftCol, screenY, '<', nil, lineStyle)
914 strWidth += StringWidth(string(ch), tabSize)
916 if screenX-v.x-v.leftCol >= v.lineNumOffset {
917 v.drawCell(screenX-v.leftCol, screenY, ch, nil, lineStyle)
919 strWidth += StringWidth(string(ch), tabSize)
921 charNum = charNum.Move(1, v.Buf)
925 // Here we are at a newline
927 if tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() && v.Cursor.Y == curLineN && colN == v.Cursor.X {
928 v.DisplayCursor(screenX-v.leftCol, screenY)
931 // The newline may be selected, in which case we should draw the selection style
932 // with a space to represent it
933 if v.Cursor.HasSelection() &&
934 (charNum.GreaterEqual(v.Cursor.CurSelection[0]) && charNum.LessThan(v.Cursor.CurSelection[1]) ||
935 charNum.LessThan(v.Cursor.CurSelection[0]) && charNum.GreaterEqual(v.Cursor.CurSelection[1])) {
937 selectStyle := defStyle.Reverse(true)
939 if style, ok := colorscheme["selection"]; ok {
942 v.drawCell(screenX, screenY, ' ', nil, selectStyle)
946 charNum = charNum.Move(1, v.Buf)
948 for i := 0; i < v.Width; i++ {
949 lineStyle := defStyle
950 if v.Buf.Settings["cursorline"].(bool) && tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() && v.Cursor.Y == curLineN {
951 if style, ok := colorscheme["cursor-line"]; ok {
952 fg, _, _ := style.Decompose()
953 lineStyle = lineStyle.Background(fg)
956 if screenX-v.x-v.leftCol+i >= v.lineNumOffset {
957 colorcolumn := int(v.Buf.Settings["colorcolumn"].(float64))
958 if colorcolumn != 0 && screenX-v.lineNumOffset+i == colorcolumn-1 {
959 if style, ok := colorscheme["color-column"]; ok {
960 fg, _, _ := style.Decompose()
961 lineStyle = lineStyle.Background(fg)
964 v.drawCell(screenX-v.leftCol+i, screenY, ' ', nil, lineStyle)
970 // DisplayCursor draws the current buffer's cursor to the screen
971 func (v *View) DisplayCursor(x, y int) {
972 // screen.ShowCursor(v.x+v.Cursor.GetVisualX()+v.lineNumOffset-v.leftCol, y)
973 screen.ShowCursor(x, y)
976 // Display renders the view, the cursor, and statusline
977 func (v *View) Display() {
979 // Don't draw the cursor if it is out of the viewport or if it has a selection
980 if (v.Cursor.Y-v.Topline < 0 || v.Cursor.Y-v.Topline > v.Height-1) || v.Cursor.HasSelection() {
983 _, screenH := screen.Size()
984 if v.Buf.Settings["statusline"].(bool) {
986 } else if (v.y + v.Height) != screenH-1 {
987 for x := 0; x < v.Width; x++ {
988 screen.SetContent(v.x+x, v.y+v.Height, '-', nil, defStyle.Reverse(true))