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Fixed empty widget panic error.

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Signed-off-by: Paul Gherghetta <pgher7285@gmail.com>
This commit is contained in:
Paul Gherghetta 2021-07-15 11:17:14 -05:00
parent f976fe697a
commit 0d34451909
1 changed files with 20 additions and 18 deletions
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38
widgets/list.go
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@ -43,29 +43,31 @@ func (self *List) Draw(buf *Buffer) {
}
// draw rows
for row := self.topRow; row < len(self.Rows) && point.Y < self.Inner.Max.Y; row++ {
cells := ParseStyles(self.Rows[row], self.TextStyle)
if self.WrapText {
cells = WrapCells(cells, uint(self.Inner.Dx()))
}
for j := 0; j < len(cells) && point.Y < self.Inner.Max.Y; j++ {
style := cells[j].Style
if row == self.SelectedRow {
style = self.SelectedRowStyle
if len(self.Rows) > 0 {
for row := self.topRow; row < len(self.Rows) && point.Y < self.Inner.Max.Y; row++ {
cells := ParseStyles(self.Rows[row], self.TextStyle)
if self.WrapText {
cells = WrapCells(cells, uint(self.Inner.Dx()))
}
if cells[j].Rune == '\n' {
point = image.Pt(self.Inner.Min.X, point.Y+1)
} else {
if point.X+1 == self.Inner.Max.X+1 && len(cells) > self.Inner.Dx() {
buf.SetCell(NewCell(ELLIPSES, style), point.Add(image.Pt(-1, 0)))
break
for j := 0; j < len(cells) && point.Y < self.Inner.Max.Y; j++ {
style := cells[j].Style
if row == self.SelectedRow {
style = self.SelectedRowStyle
}
if cells[j].Rune == '\n' {
point = image.Pt(self.Inner.Min.X, point.Y+1)
} else {
buf.SetCell(NewCell(cells[j].Rune, style), point)
point = point.Add(image.Pt(rw.RuneWidth(cells[j].Rune), 0))
if point.X+1 == self.Inner.Max.X+1 && len(cells) > self.Inner.Dx() {
buf.SetCell(NewCell(ELLIPSES, style), point.Add(image.Pt(-1, 0)))
break
} else {
buf.SetCell(NewCell(cells[j].Rune, style), point)
point = point.Add(image.Pt(rw.RuneWidth(cells[j].Rune), 0))
}
}
}
point = image.Pt(self.Inner.Min.X, point.Y+1)
}
point = image.Pt(self.Inner.Min.X, point.Y+1)
}
// draw UP_ARROW if needed