C++ (Cpp) BRect::Center Examples

Example #1

File: RadioButton.cpp Project: D-os/BeFree

void
BRadioButton::Draw(BRect updateRect)
{
	if (Window() == NULL) return;

	BFont font;
	GetFont(&font);
	font_height fontHeight;
	font.GetHeight(&fontHeight);
	float sHeight = fontHeight.ascent + fontHeight.descent;

	BRect rect = Frame().OffsetToSelf(B_ORIGIN);
	rect.InsetBy(5, (rect.Height() - sHeight) / 2);
	if (rect.IsValid() == false) return;

	if ((IsFocus() || IsFocusChanging()) && IsEnabled() && Label() != NULL) {
		BPoint penLocation;
		penLocation.Set(rect.left + rect.Height() + 5, rect.Center().y + sHeight / 2 + 1);

		SetHighColor((IsFocus() && Window()->IsActivate()) ? ui_color(B_NAVIGATION_BASE_COLOR) : ViewColor());
		StrokeLine(penLocation, penLocation + BPoint(font.StringWidth(Label()), 0));
	}

	if (IsFocusChanging()) return;

	rgb_color shineColor = ui_color(B_SHINE_COLOR);
	rgb_color shadowColor = ui_color(B_SHADOW_COLOR);

	if (!IsEnabled()) {
		shineColor.disable(ViewColor());
		shadowColor.disable(ViewColor());
	}

	rect.right = rect.left + rect.Height();
	SetHighColor(shineColor.mix_copy(0, 0, 0, 5));
	FillEllipse(rect);
	SetHighColor(shineColor);
	StrokeArc(rect, 225, 180);
	SetHighColor(shadowColor);
	StrokeArc(rect, 45, 180);

	if (Value() == B_CONTROL_ON) {
		SetHighColor(shadowColor.mix_copy(255, 255, 255, 50));
		BRect r = rect.InsetByCopy(3, 3);
		FillEllipse(r);
	}

	if (Label() != NULL) {
		BPoint penLocation;
		penLocation.x = rect.right + 5;
		penLocation.y = rect.Center().y - sHeight / 2.f;
		penLocation.y += fontHeight.ascent + 1;

		SetHighColor(IsEnabled() ? ui_color(B_PANEL_TEXT_COLOR) : ui_color(B_SHINE_COLOR).disable(ViewColor()));
		SetLowColor(ViewColor());

		DrawString(Label(), penLocation);
		if (!IsEnabled()) {
			SetHighColor(ui_color(B_SHADOW_COLOR).disable(ViewColor()));
			DrawString(Label(), penLocation - BPoint(1, 1));
		}
	}
}