Esempio n. 1
0
func (l *LogView) Draw(cr *cairo.Context) {
	cr.Translate(0, float64(-l.scrollOffset))
	y := 0
	for _, e := range l.Entries {
		h := e.prompt.Height()
		if y+h >= l.scrollOffset {
			e.prompt.Draw(cr)
		}
		y += h
		cr.Translate(0, float64(h))
		if e.term != nil {
			h = e.term.Height()
			if y+h >= l.scrollOffset {
				e.term.Draw(cr)
			}
			y += h
			cr.Translate(0, float64(h))
		}
	}
	if y > l.height {
		scrollOffset := y - l.height
		if l.scrollOffset != scrollOffset {
			if l.scrollAnim != nil && l.scrollAnim.Done {
				l.scrollAnim = nil
			}
			if l.scrollAnim == nil {
				l.scrollAnim = ui.NewLerp(&l.scrollOffset, scrollOffset, 40*time.Millisecond)
				l.GetWindow().win.AddAnimation(l.scrollAnim)
			} else {
				// TODO adjust existing anim
			}
		}
	}
}
Esempio n. 2
0
func (t *TermView) Draw(cr *cairo.Context) {
	t.mf.Use(cr, false)

	t.termMu.Lock()
	defer t.termMu.Unlock()

	offset := t.term.Top * t.mf.ch
	offset = 0
	if offset > 0 {
		cr.Save()
		defer cr.Restore()
		cr.Translate(0, float64(-offset))
	}

	firstLine := offset / t.mf.ch
	if firstLine < 0 {
		firstLine = 0
	}
	lastLine := t.term.Top + t.term.Height
	if lastLine > len(t.term.Lines) {
		lastLine = len(t.term.Lines)
	}

	for row := firstLine; row < lastLine; row++ {
		drawTerminalLine(cr, t.mf, row*t.mf.ch, t.term.Lines[row])
	}

	if !t.term.HideCursor {
		ch := rune(0)
		if t.term.Row < len(t.term.Lines) &&
			t.term.Col < len(t.term.Lines[t.term.Row]) {
			ch = t.term.Lines[t.term.Row][t.term.Col].Ch
		}
		drawCursor(cr, t.mf, t.term.Row, t.term.Col, ch)
	}
}