Method HandleMouseButtonEvent

src/SFGUI/Scrollbar.cpp:95–223

}

void Scrollbar::HandleMouseButtonEvent( sf::Mouse::Button button, bool press, int x, int y ) {
	if( button != sf::Mouse::Button::Left ) {
		return;
	}

	if( press ) {
		auto slider_rect = GetSliderRect();
		slider_rect.position += GetAllocation().position;

		if( slider_rect.contains( sf::Vector2f( sf::Vector2( x, y ) ) ) ) {
			m_dragging = true;

			if( GetOrientation() == Orientation::HORIZONTAL ) {
				auto slider_mid = slider_rect.getCenter().x;
				m_slider_click_offset = static_cast<float>( x ) + GetAllocation().position.x - slider_mid;
			}
			else {
				auto slider_mid = slider_rect.getCenter().y;
				m_slider_click_offset = static_cast<float>( y ) + GetAllocation().position.y - slider_mid;
			}

			return;
		}

		if( GetOrientation() == Orientation::HORIZONTAL ) {
			auto stepper_length = GetAllocation().size.y;

			sf::FloatRect decrease_stepper_rect( GetAllocation().position, {stepper_length, GetAllocation().size.y} );
			sf::FloatRect increase_stepper_rect( { GetAllocation().position.x + GetAllocation().size.x - stepper_length, GetAllocation().position.y }, { stepper_length, GetAllocation().size.y } );

			if( decrease_stepper_rect.contains( sf::Vector2f( sf::Vector2( x, y ) ) ) ) {
				m_decrease_pressed = true;
				GetAdjustment()->Decrement();
				m_elapsed_time = 0.f;
				m_repeat_wait = true;
				Invalidate();
				return;
			}

			if( increase_stepper_rect.contains( sf::Vector2f( sf::Vector2( x, y ) ) ) ) {
				m_increase_pressed = true;
				GetAdjustment()->Increment();
				m_elapsed_time = 0.f;
				m_repeat_wait = true;
				Invalidate();
				return;
			}
		}
		else {
			auto stepper_length = GetAllocation().size.x;

			sf::FloatRect decrease_stepper_rect( GetAllocation().position, {GetAllocation().size.x, stepper_length} );
			sf::FloatRect increase_stepper_rect( { GetAllocation().position.x, GetAllocation().position.y + GetAllocation().size.y - stepper_length }, { GetAllocation().size.x, stepper_length } );

			if( decrease_stepper_rect.contains( sf::Vector2f( sf::Vector2( x, y ) ) ) ) {
				m_decrease_pressed = true;
				GetAdjustment()->Decrement();
				m_elapsed_time = 0.f;