Method cursorForwardWord

texteditor/nav.go:212–260

cursorForwardWord moves the cursor forward by words

(steps int)

// cursorForwardWord moves the cursor forward by words
func (ed *Editor) cursorForwardWord(steps int) {
	ed.validateCursor()
	org := ed.CursorPos
	for i := 0; i < steps; i++ {
		txt := ed.Buffer.Line(ed.CursorPos.Ln)
		sz := len(txt)
		if sz > 0 && ed.CursorPos.Ch < sz {
			ch := ed.CursorPos.Ch
			var done = false
			for ch < sz && !done { // if on a wb, go past
				r1 := txt[ch]
				r2 := rune(-1)
				if ch < sz-1 {
					r2 = txt[ch+1]
				}
				if core.IsWordBreak(r1, r2) {
					ch++
				} else {
					done = true
				}
			}
			done = false
			for ch < sz && !done {
				r1 := txt[ch]
				r2 := rune(-1)
				if ch < sz-1 {
					r2 = txt[ch+1]
				}
				if !core.IsWordBreak(r1, r2) {
					ch++
				} else {
					done = true
				}
			}
			ed.CursorPos.Ch = ch
		} else {
			if ed.CursorPos.Ln < ed.NumLines-1 {
				ed.CursorPos.Ch = 0
				ed.CursorPos.Ln++
			} else {
				ed.CursorPos.Ch = ed.Buffer.LineLen(ed.CursorPos.Ln)
			}
		}
	}
	ed.setCursorColumn(ed.CursorPos)
	ed.SetCursorShow(ed.CursorPos)
	ed.cursorSelect(org)
	ed.NeedsRender()
}

// cursorDown moves the cursor down line(s)
func (ed *Editor) cursorDown(steps int) {