Method displayBuffer

internal/display/bufwindow.go:383–840

displayBuffer draws the buffer being shown in this window on the screen.Screen

()

// displayBuffer draws the buffer being shown in this window on the screen.Screen
func (w *BufWindow) displayBuffer() {
	b := w.Buf

	if w.Height <= 0 || w.Width <= 0 {
		return
	}

	maxWidth := w.gutterOffset + w.bufWidth

	if b.ModifiedThisFrame {
		if b.Settings["diffgutter"].(bool) {
			b.UpdateDiff()
		}
		b.ModifiedThisFrame = false
	}

	var matchingBraces []buffer.Loc
	// bracePairs is defined in buffer.go
	if b.Settings["matchbrace"].(bool) {
		for _, c := range b.GetCursors() {
			if c.HasSelection() {
				continue
			}

			mb, left, found := b.FindMatchingBrace(c.Loc)
			if found {
				matchingBraces = append(matchingBraces, mb)
				if !left {
					if b.Settings["matchbracestyle"].(string) != "highlight" {
						matchingBraces = append(matchingBraces, c.Loc)
					}
				} else {
					matchingBraces = append(matchingBraces, c.Loc.Move(-1, b))
				}
			}
		}
	}

	lineNumStyle := config.DefStyle
	if style, ok := config.Colorscheme["line-number"]; ok {
		lineNumStyle = style
	}
	curNumStyle := config.DefStyle
	if style, ok := config.Colorscheme["current-line-number"]; ok {
		if !b.Settings["cursorline"].(bool) {
			curNumStyle = lineNumStyle
		} else {
			curNumStyle = style
		}
	}

	softwrap := b.Settings["softwrap"].(bool)
	wordwrap := softwrap && b.Settings["wordwrap"].(bool)

	tabsize := util.IntOpt(b.Settings["tabsize"])
	colorcolumn := util.IntOpt(b.Settings["colorcolumn"])

	// this represents the current draw position