func Reset() {
currentLine = []rune{}
currentScroll = 0
cursor = 0
updateCursor()
display.ShowLine(visibleLine())
display.DrawLine()
}
func CursorLeft() {
if cursor != 0 {
cursor--
}
if cursor < currentScroll {
currentScroll--
display.ShowLine(visibleLine())
}
updateCursor()
}
func CursorAtEnd() {
width := display.LineWidth()
cursor = len(currentLine)
if len(currentLine) < width {
currentScroll = 0
} else {
currentScroll = len(currentLine) - width
}
display.ShowLine(visibleLine())
updateCursor()
}
func CursorRight() {
width := display.LineWidth()
if cursor < len(currentLine) {
cursor++
}
if cursor > width+currentScroll {
// LogS(fmt.Sprintf("-- %d", cursor))
currentScroll++
display.ShowLine(visibleLine())
}
updateCursor()
}
func Draw() {
display.ShowLine(visibleLine())
display.SetCursor(cursor - currentScroll)
display.DrawLine()
display.Flush()
}
func CursorAtBeginning() {
cursor = 0
currentScroll = 0
display.ShowLine(visibleLine())
updateCursor()
}