Aerofoil/PortabilityLayer/PLCheckboxWidget.cpp

#include "PLCheckboxWidget.h"
#include "PLStandardColors.h"
#include "FontFamily.h"

#include <algorithm>

namespace PortabilityLayer
{
	CheckboxWidget::CheckboxWidget(const WidgetBasicState &state)
		: WidgetSpec<CheckboxWidget>(state)
		, m_text(state.m_text)
	{
	}

	CheckboxWidget::~CheckboxWidget()
	{
	}

	bool CheckboxWidget::Init(const WidgetBasicState &state)
	{
		(void)state;

		return true;
	}

	void CheckboxWidget::DrawControl(DrawSurface *surface)
	{
		if (!m_rect.IsValid())
			return;

		surface->SetForeColor(StdColors::White());
		surface->FillRect(m_rect);

		uint16_t checkFrameSize = std::min<uint16_t>(12, std::min(m_rect.Width(), m_rect.Height()));
		int16_t top = (m_rect.top + m_rect.bottom - static_cast<int16_t>(checkFrameSize)) / 2;

		surface->SetForeColor(StdColors::Black());
		const Rect checkRect = Rect::Create(top, m_rect.left, top + static_cast<int16_t>(checkFrameSize), m_rect.left + static_cast<int16_t>(checkFrameSize));
		surface->FillRect(checkRect);

		surface->SetForeColor(StdColors::White());
		surface->FillRect(checkRect.Inset(1, 1));

		if (m_state)
		{
			surface->SetForeColor(StdColors::Black());
			surface->DrawLine(Point::Create(checkRect.left + 1, checkRect.top + 1), Point::Create(checkRect.right - 2, checkRect.bottom - 2));
			surface->DrawLine(Point::Create(checkRect.right - 2, checkRect.top + 1), Point::Create(checkRect.left + 1, checkRect.bottom - 2));
		}

		surface->SetForeColor(StdColors::Black());
		surface->SetSystemFont(12, FontFamilyFlag_Bold);
		int32_t textV = (m_rect.top + m_rect.bottom + surface->MeasureFontAscender()) / 2;
		surface->DrawString(Point::Create(m_rect.left + checkFrameSize + 2, textV), m_text.ToShortStr(), true);
	}

	void CheckboxWidget::SetString(const PLPasStr &str)
	{
		m_text = PascalStr<255>(str);
	}

	PLPasStr CheckboxWidget::GetString() const
	{
		return m_text.ToShortStr();
	}

	void CheckboxWidget::OnStateChanged()
	{
		if (m_window)
			DrawControl(&m_window->m_surface);
	}
}