#ifndef _GWEN_USER_INTERFACE_H
#define _GWEN_USER_INTERFACE_H

struct GwenInternalData;

typedef void (*b3ComboBoxCallback)(int combobox, const char* item);
typedef void (*b3ToggleButtonCallback)(int button, int state);
typedef void (*b3FileOpenCallback)();
typedef void (*b3QuitCallback)();

namespace Gwen
{
namespace Renderer
{
class Base;
};
};  // namespace Gwen
class GwenUserInterface
{
	GwenInternalData* m_data;

public:
	GwenUserInterface();

	virtual ~GwenUserInterface();

	void init(int width, int height, Gwen::Renderer::Base* gwenRenderer, float retinaScale);
	void exit();
	void setFocus();
	void forceUpdateScrollBars();

	void draw(int width, int height);

	void resize(int width, int height);

	bool mouseMoveCallback(float x, float y);
	bool mouseButtonCallback(int button, int state, float x, float y);
	bool keyboardCallback(int key, int state);

	void setToggleButtonCallback(b3ToggleButtonCallback callback);
	b3ToggleButtonCallback getToggleButtonCallback();

	void registerToggleButton2(int buttonId, const char* name);

	void setComboBoxCallback(b3ComboBoxCallback callback);
	b3ComboBoxCallback getComboBoxCallback();
	void registerComboBox2(int buttonId, int numItems, const char** items, int startItem = 0);

	void setStatusBarMessage(const char* message, bool isLeft = true);

	void textOutput(const char* msg);
	void setExampleDescription(const char* msg);

	void registerFileOpenCallback(b3FileOpenCallback callback);
	void registerQuitCallback(b3QuitCallback callback);

	GwenInternalData* getInternalData()
	{
		return m_data;
	}
};

#endif  //_GWEN_USER_INTERFACE_H