#ifndef IMGUI_OSD_ICONS_HH

#define IMGUI_OSD_ICONS_HH

#include "ImGuiAdjust.hh"

#include "ImGuiPart.hh"

#include "GLUtil.hh"

#include "TclObject.hh"

#include "gl_vec.hh"

#include <vector>

namespace openmsx {

class ImGuiOsdIcons final : public ImGuiPart

{

public:

	explicit ImGuiOsdIcons(ImGuiManager& manager_);

	[[nodiscard]] zstring_view iniName() const override { return "OSD icons"; }

	void save(ImGuiTextBuffer& buf) override;

	void loadStart() override;

	void loadLine(std::string_view name, zstring_view value) override;

	void loadEnd() override;

	void paint(MSXMotherBoard* motherBoard) override;

private:

	void setDefaultIcons();

	void loadIcons();

	void paintConfigureIcons();

public:

	bool showIcons = true;

	bool showConfigureIcons = false;

private:

	bool hideTitle = true;

	bool allowMove = false;

	float fadeDuration = 5.0f;

	float fadeDelay = 5.0f;

	struct IconInfo {

		IconInfo() = default;

		IconInfo(TclObject expr_, std::string on_, std::string off_, bool fade_)

			: expr(std::move(expr_)), on(std::move(on_)), off(std::move(off_)), fade(fade_) {}

		struct Icon {

			Icon() = default;

			explicit Icon(std::string filename_) : filename(std::move(filename_)) {}

			std::string filename;

			gl::Texture tex{gl::Null{}};

			gl::ivec2 size;

		};

		TclObject expr;

		Icon on, off;

		float time = 0.0f;

		bool lastState = true;

		bool enable = true;

		bool fade = false;

	};

	std::vector<IconInfo> iconInfo;

	gl::vec2 maxIconSize;

	int numIcons = 0; // number of enabled icons

	bool iconInfoDirty = true;

	AdjustWindowInMainViewPort adjust;

	static constexpr auto persistentElements = std::tuple{

		PersistentElement{"show",         &ImGuiOsdIcons::showIcons},

		PersistentElement{"hideTitle",    &ImGuiOsdIcons::hideTitle},

		PersistentElement{"allowMove",    &ImGuiOsdIcons::allowMove},

		PersistentElement{"fadeDuration", &ImGuiOsdIcons::fadeDuration},

		PersistentElement{"fadeDelay",    &ImGuiOsdIcons::fadeDelay},

		PersistentElement{"showConfig",   &ImGuiOsdIcons::showConfigureIcons}

		// manually handle "icon.xxx", "adjust"

	};

};

} // namespace openmsx

#endif