// Draw draws the label to the given buffer.
func (l *Label) Draw(dst *tulib.Buffer) {
r := l.rect
if r.Width < 0 || r.Height < 0 {
return
}
dst.Fill(r, l.proto)
dst.DrawLabel(r, &l.params, []byte(string(l.text)))
}
// Draw draws the Input to the given buffer.
func (i *Input) Draw(dst *tulib.Buffer) {
r := i.rect
if r.Width < 0 || r.Height < 0 {
return
}
dst.Fill(r, i.proto)
dst.DrawLabel(r, &i.promptParams, i.prompt)
r.X += len(i.prompt)
r.Width -= r.X
dst.DrawLabel(r, &i.textParams, []byte(string(i.text)))
i.drawCursor(dst)
}
// Draw draws the Textbox to the given buffer.
func (t *Textbox) Draw(dst *tulib.Buffer) {
r := t.rect
if r.Width < 0 || r.Height < 0 {
return
}
// Draw title bar.
r.Height = 1
dst.Fill(r, t.titleProto)
dst.DrawLabel(r, &t.titleParams, []byte(t.title))
r = t.rect
if r.Height < 1 {
return
}
r.Y++
r.Height--
// Text background.
dst.Fill(r, t.textProto)
// Text lines.
lines := t.lines
if len(lines) > r.Height {
lines = lines[len(lines)-r.Height:]
}
max := r.Y + r.Height
r.Height = 1
for _, line := range lines {
wrapped := linewrap.SingleLine(line, r.Width, 0, 0, linewrap.Left)
for _, w := range wrapped {
dst.DrawLabel(r, &t.textParams, []byte(w))
r.Y++
if r.Y > max {
return
}
}
}
}
func (ac *autocompl) draw_onto(buf *tulib.Buffer, x, y int) {
ac.validate_cursor()
h := ac.desired_height()
dst := find_place_for_rect(buf.Rect, tulib.Rect{x, y + 1, 1, h})
ac.adjust_view(dst.Height)
w := ac.desired_width(dst.Height)
dst = find_place_for_rect(buf.Rect, tulib.Rect{x, y + 1, w, h})
slider_i, slider_r := ac.slider_pos_and_rune(dst.Height)
lp := default_label_params
r := dst
r.Width--
r.Height = 1
for i := 0; i < dst.Height; i++ {
lp.Fg = termbox.ColorBlack
lp.Bg = termbox.ColorWhite
n := ac.view + i
if n == ac.cursor {
lp.Fg = termbox.ColorWhite
lp.Bg = termbox.ColorBlue
}
buf.Fill(r, termbox.Cell{
Fg: lp.Fg,
Bg: lp.Bg,
Ch: ' ',
})
buf.DrawLabel(r, &lp, ac.actual_proposals()[n].display)
sr := ' '
if i == slider_i {
sr = slider_r
}
buf.Set(r.X+r.Width, r.Y, termbox.Cell{
Fg: termbox.ColorWhite,
Bg: termbox.ColorBlue,
Ch: sr,
})
r.Y++
}
}
// drawCursor draws the cursor.
func (i *Input) drawCursor(dst *tulib.Buffer) {
if !i.focus {
return
}
r := i.rect
if r.Width < 0 || r.Height < 0 {
return
}
cs := i.cursorPos
r.X += len(i.prompt) + cs
r.Width = 1
var data []byte
if cs >= len(i.text) {
data = []byte{' '}
} else {
data = []byte(string(i.text[cs : cs+1]))
}
dst.DrawLabel(r, &i.cursorParams, data)
}
func (v *TextView) PaintTo(buffer *tulib.Buffer, rect Rect) error {
clearRect(buffer, rect)
buffer.DrawLabel(rect.TulibRect(), v.params, v.text)
return nil
}