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Start with creating a cursor for Input

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This commit is contained in:
erroneousboat 2016-09-12 22:08:44 +02:00
parent 6cfa55c26e
commit 9cad8953d3
1 changed files with 12 additions and 9 deletions
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21
src/components/input.go
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@ -49,32 +49,35 @@ func (i *Input) SetY(y int) {
func (i *Input) Insert(key string) {
i.Block.Text = i.Block.Text + key
i.Block.TextBgColor = termui.ColorWhite
i.Block.TextFgColor = termui.ColorBlack
i.CursorPosition++
i.MoveCursorRight()
}
func (i *Input) Remove() {
if i.CursorPosition > 0 {
i.Block.Text = i.Block.Text[0:i.CursorPosition-1] + i.Block.Text[i.CursorPosition:len(i.Block.Text)]
i.Block.TextBgColor = termui.ColorBlack
i.Block.TextFgColor = termui.ColorWhite
i.CursorPosition--
i.MoveCursorLeft()
}
}
func (i *Input) MoveCursorRight() {
if i.CursorPosition < len(i.Block.Text) {
i.CursorPosition++
i.Block.Block.Buffer().Set(
i.CursorPosition, // x
i.Block.Block.InnerY(), // y
termui.Cell{Ch: rune('$'), Fg: termui.ColorBlack, Bg: termui.ColorWhite},
)
}
}
func (i *Input) MoveCursorLeft() {
if i.CursorPosition > 0 {
i.CursorPosition--
i.Block.Block.Buffer().Set(
i.CursorPosition, // x
i.Block.Block.InnerY(), // y
termui.Cell{Ch: rune('$'), Fg: termui.ColorBlack, Bg: termui.ColorWhite},
)
}
}