Method HandleMouseMoveEvent

src/SFGUI/ComboBox.cpp:214–273

}

void ComboBox::HandleMouseMoveEvent( int x, int y ) {
	if( ( x == std::numeric_limits<int>::min() ) || ( y == std::numeric_limits<int>::min() ) ) {
		return;
	}

	if( GetState() == State::ACTIVE ) {
		if( m_scrollbar ) {
			sf::Event::MouseMoved event;

			event.position.x = x - static_cast<int>( GetAllocation().position.x );
			event.position.y = y - static_cast<int>( GetAllocation().position.y );

			ReleaseModal();
			m_scrollbar->SetActiveWidget();
			m_scrollbar->HandleEvent( event );
			SetActiveWidget();
			GrabModal();

			auto scrollbar_allocation = m_scrollbar->GetAllocation();
			scrollbar_allocation.position += GetAllocation().position;

			if( scrollbar_allocation.contains( sf::Vector2f( sf::Vector2( x, y ) ) ) ) {
				m_highlighted_item = NONE;
				Invalidate();

				return;
			}
		}

		if( ( x > GetAllocation().position.x ) && ( x < GetAllocation().position.x + GetAllocation().size.x ) ) {
			float padding( Context::Get().GetEngine().GetProperty<float>( "ItemPadding", shared_from_this() ) );
			const std::string& font_name( Context::Get().GetEngine().GetProperty<std::string>( "FontName", shared_from_this() ) );
			unsigned int font_size( Context::Get().GetEngine().GetProperty<unsigned int>( "FontSize", shared_from_this() ) );
			const sf::Font& font( *Context::Get().GetEngine().GetResourceManager().GetFont( font_name ) );

			auto line_y = y;
			line_y -= static_cast<int>( GetAllocation().position.y + GetAllocation().size.y + padding );
			line_y /= static_cast<int>( Context::Get().GetEngine().GetFontLineHeight( font, font_size ) + 2 * padding );

			if( ( line_y < static_cast<int>( GetItemCount() ) ) && ( line_y >= 0 ) ) {
				if( line_y != static_cast<int>( m_highlighted_item ) ) {
					Invalidate();
					m_highlighted_item = line_y + GetDisplayedItemStart();
				}
			}
			else {
				if( m_highlighted_item != NONE ) {
					m_highlighted_item = NONE;
					Invalidate();
				}
			}
		}
		else {
			if( m_highlighted_item != NONE ) {
				m_highlighted_item = NONE;
				Invalidate();
			}
		}