func (w *CodeEdit) paintLineArea(event *ui.QPaintEvent) {
painter := ui.NewPainterWithPaintDevice(w.lineArea)
defer painter.Delete()
painter.FillRectWithRectColor(w.lineArea.Rect(), ui.NewColorWithGlobalcolor(ui.Qt_lightGray))
block := w.edit.FirstVisibleBlock()
blockNumber := block.BlockNumber() + 1
top := w.edit.BlockBoundingGeometry(block).Translated(w.edit.ContentOffset()).Top()
bottom := top + w.edit.BlockBoundingRect(block).Height()
height := w.lineArea.FontMetrics().Height()
for block.IsValid() && int32(top) < event.Rect().Bottom() {
if block.IsVisible() && int32(bottom) >= event.Rect().Top() {
painter.SetPen(ui.NewColorWithGlobalcolor(ui.Qt_black))
painter.DrawTextWithXYWidthHeightFlagsTextRect(0, int32(top), w.lineArea.Width(), int32(height), int32(ui.Qt_AlignRight), strconv.Itoa(int(blockNumber)), ui.NewRect())
}
block = block.Next()
top = bottom
bottom = top + w.edit.BlockBoundingRect(block).Height()
blockNumber++
}
}
func (w *WigglyWidget) OnPaintEvent(e *ui.QPaintEvent) bool {
w.PaintEvent(e)
merics := ui.NewFontMetrics(w.Font())
defer merics.Delete()
x := (w.Width() - merics.WidthWithString(w.text)) / 2
y := (w.Height() + merics.Ascent() - merics.Descent()) / 2
color := ui.NewColor()
defer color.Delete()
painter := ui.NewPainterWithPaintDevice(w)
defer painter.Delete()
for i, s := range w.text {
index := (w.step + i) % 16
color.SetHsv(int32(15-index)*16, 255, 191, 255)
painter.SetPen(color)
painter.DrawTextWithXYText(x, y-((sineTablep[index]*merics.Height())/400), string(s))
x += merics.Width(s)
}
return true
}