Method insertLine

internal/app/darktile/termutil/buffer.go:283–322

()

}

func (buffer *Buffer) insertLine() {

	if !buffer.InScrollableRegion() {
		pos := buffer.RawLine()
		maxLines := buffer.GetMaxLines()
		newLineCount := uint64(len(buffer.lines) + 1)
		if newLineCount > maxLines {
			newLineCount = maxLines
		}

		out := make([]Line, newLineCount)
		copy(
			out[:pos-(uint64(len(buffer.lines))+1-newLineCount)],
			buffer.lines[uint64(len(buffer.lines))+1-newLineCount:pos])
		out[pos] = newLine()
		copy(out[pos+1:], buffer.lines[pos:])
		buffer.lines = out
	} else {
		topIndex := buffer.convertViewLineToRawLine(uint16(buffer.topMargin))
		bottomIndex := buffer.convertViewLineToRawLine(uint16(buffer.bottomMargin))
		before := buffer.lines[:topIndex]
		after := buffer.lines[bottomIndex+1:]
		out := make([]Line, len(buffer.lines))
		copy(out[0:], before)

		pos := buffer.RawLine()
		for i := topIndex; i < bottomIndex; i++ {
			if i < pos {
				out[i] = buffer.lines[i]
			} else {
				out[i+1] = buffer.lines[i]
			}
		}

		copy(out[bottomIndex+1:], after)

		out[pos] = newLine()
		buffer.lines = out
	}
}

func (buffer *Buffer) insertBlankCharacters(count int) {