private void DrawOpenedAreaItems(int startIndex, int endIndex, float transitionAlpha)
{
// Draw background
float itemsHeight = (endIndex - startIndex) * (m_comboboxItemDeltaHeight + ITEM_DRAW_DELTA);
var minSize = m_styleDef.DropDownTexture.MinSizeGui;
var maxSize = m_styleDef.DropDownTexture.MaxSizeGui;
Vector2 dropdownSize = Vector2.Clamp(new Vector2(Size.X, itemsHeight + minSize.Y), minSize, maxSize);
var topLeft = GetPositionAbsoluteTopLeft();
m_styleDef.DropDownTexture.Draw(topLeft + m_openedArea.Position, dropdownSize,
ApplyColorMaskModifiers(ColorMask, Enabled, transitionAlpha));
// Scissor to cut off items that overflow dropdown area.
var scissor = m_openedItemArea;
scissor.Position += topLeft;
scissor.Position.X -= m_styleDef.DropDownHighlightExtraWidth;
scissor.Size.X += m_styleDef.DropDownHighlightExtraWidth;
using (MyGuiManager.UsingScissorRectangle(ref scissor))
{
Vector2 itemPosition = topLeft + m_openedItemArea.Position;
for (int i = startIndex; i < endIndex; i++)
{
Item item = m_items[i];
// Draw selected background texture
var font = m_styleDef.ItemFontNormal;
if ((item == m_preselectedMouseOver) || ((m_preselectedKeyboardIndex.HasValue) && (m_preselectedKeyboardIndex == i)))
{
MyGuiManager.DrawSpriteBatchRoundUp(m_styleDef.ItemTextureHighlight,
itemPosition - new Vector2(m_styleDef.DropDownHighlightExtraWidth, 0f),
m_selectedItemArea.Size + new Vector2(m_styleDef.DropDownHighlightExtraWidth, 0f),
ApplyColorMaskModifiers(Vector4.One, Enabled, transitionAlpha),
MyGuiDrawAlignEnum.HORISONTAL_LEFT_AND_VERTICAL_TOP);
font = m_styleDef.ItemFontHighlight;
}
// Draw combobox item's text
MyGuiManager.DrawString(font,
item.Value,
itemPosition,
m_textScaleWithLanguage,
ApplyColorMaskModifiers(m_textColor, Enabled, transitionAlpha),
MyGuiDrawAlignEnum.HORISONTAL_LEFT_AND_VERTICAL_TOP);
itemPosition.Y += ITEM_HEIGHT;
}
}
}
