/***************************************************************************

	main.h

	(c) 2000-2017 Benoît Minisini <benoit.minisini@gambas-basic.org>

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2, or (at your option)
	any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
	MA 02110-1301, USA.

***************************************************************************/

#ifndef __MAIN_H
#define __MAIN_H

#include <QEvent>
#include <QApplication>
#include <QTimerEvent>
#include <QEventLoop>
#include <QSessionManager>
#include <QClipboard>
#include <QFont>

#include "gb_common.h"
#include "gambas.h"

#define DO_NOT_USE_QT_INTERFACE
#include "gb.qt.h"
#include "gb.image.h"
#include "gb.geom.h"
#include "gb.form.gui.h"

#ifndef __MAIN_CPP
extern "C" const GB_INTERFACE *GB_PTR;
extern "C" IMAGE_INTERFACE IMAGE;
extern "C" GEOM_INTERFACE GEOM;

extern int MAIN_in_wait;
extern int MAIN_in_message_box;
extern int MAIN_loop_level;
extern int MAIN_scale;
extern bool MAIN_debug_busy;
extern bool MAIN_init;
extern bool MAIN_key_debug;
extern bool MAIN_right_to_left;
#ifndef NO_X_WINDOW
extern int MAIN_x11_last_key_code;
#define MAIN_platform "x11"
#else
#define MAIN_platform ""
#endif

extern GB_CLASS CLASS_Control;
extern GB_CLASS CLASS_Container;
extern GB_CLASS CLASS_ContainerChildren;
extern GB_CLASS CLASS_UserControl;
extern GB_CLASS CLASS_UserContainer;
extern GB_CLASS CLASS_TabStrip;
extern GB_CLASS CLASS_Window;
extern GB_CLASS CLASS_Menu;
extern GB_CLASS CLASS_Picture;
extern GB_CLASS CLASS_Drawing;
extern GB_CLASS CLASS_DrawingArea;
extern GB_CLASS CLASS_ScrollArea;
extern GB_CLASS CLASS_Printer;
extern GB_CLASS CLASS_Image;
extern GB_CLASS CLASS_SvgImage;
extern GB_CLASS CLASS_TextArea;

#endif

#define GB (*GB_PTR)

class MyPostCheck: public QObject
{
	Q_OBJECT

public:

	static bool in_check;

public slots:

	void check(void);
};

class MyApplication: public QApplication
{
	Q_OBJECT

public:

	MyApplication(int &argc, char **argv);
#ifndef QT5
	virtual bool x11EventFilter(XEvent *e);
#endif
	virtual bool eventFilter(QObject *o, QEvent *e);
	//virtual bool notify(QObject *o, QEvent *e);

	static void setEventFilter(bool set);

	static bool isTooltipEnabled() { return !_tooltip_disable; }
	static void setTooltipEnabled(bool b);

	static void initClipboard();

	static QEventLoop *eventLoop;

public slots:

	void linkDestroyed(QObject *);
	void clipboardHasChanged(QClipboard::Mode);
	void commitDataRequested(QSessionManager &);

private:
	static bool _tooltip_disable;
	static int _event_filter;
};

class MyTimer : public QObject
{
public:

	MyTimer(GB_TIMER *timer);
	~MyTimer();
	void clearTimer() { timer = 0; }

protected:

	void timerEvent(QTimerEvent *);

private:

	GB_TIMER *timer;
	intptr_t id;
};


#define UTF8_NBUF 4

void MAIN_check_quit(void);
void MAIN_update_scale(const QFont &);
void MAIN_process_events(void);
void MAIN_init_error(void);

#define MAIN_CHECK_INIT() (MAIN_init ? 0 : (MAIN_init_error(), 1))

const char *QT_ToUtf8(const QString &str);
int QT_GetLastUtf8Length();
char *QT_NewString(const QString &str);
void QT_ReturnNewString(const QString &str);
void QT_RegisterAction(void *object, const char *key, int on);
void QT_RaiseAction(const char *key);
void *QT_GetObject(QWidget *);
void QT_Link(QObject *, void *);
void *QT_GetLink(QObject *);
void QT_PreventQuit(bool inc);
QMenu *QT_FindMenu(void *parent, const char *name);

#endif
