/*
   Copyright (C) 2001-2006, William Joseph.
   All Rights Reserved.

   This file is part of GtkRadiant.

   GtkRadiant 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 of the License, or
   (at your option) any later version.

   GtkRadiant 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 GtkRadiant; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#if !defined( INCLUDED_GTKUTIL_WIDGET_H )
#define INCLUDED_GTKUTIL_WIDGET_H

#include <list>
#include <uilib/uilib.h>
#include <gdk/gdk.h>
#include "generic/callback.h"
#include "warnings.h"
#include "debugging/debugging.h"
#include "property.h"

class ToggleItem {
Callback<void(const Callback<void(bool)> &)> m_exportCallback;
typedef std::list<Callback<void (bool)> > ImportCallbacks;
ImportCallbacks m_importCallbacks;
public:
ToggleItem(const Callback<void(const Callback<void(bool)> &)> &exportCallback) : m_exportCallback(exportCallback)
{
}

void update()
{
	for (ImportCallbacks::iterator i = m_importCallbacks.begin(); i != m_importCallbacks.end(); ++i) {
		m_exportCallback(*i);
	}
}

void addCallback(const Callback<void(bool)> &callback)
{
	m_importCallbacks.push_back(callback);
	m_exportCallback(callback);
}

typedef MemberCaller<ToggleItem, void (const Callback<void (bool)> &), &ToggleItem::addCallback> AddCallbackCaller;
};

class ToggleShown {
bool m_shownDeferred;

ToggleShown(const ToggleShown &other);     // NOT COPYABLE
ToggleShown &operator=(const ToggleShown &other);     // NOT ASSIGNABLE

static gboolean notify_visible(ui::Widget widget, gpointer dummy, ToggleShown *self);

static gboolean destroy(ui::Widget widget, ToggleShown *self);

public:
ui::Widget m_widget;
ToggleItem m_item;

ToggleShown(bool shown)
	: m_shownDeferred(shown), m_widget(ui::null), m_item(ActiveCaller(*this))
{
}

void update();

bool active() const;

void exportActive(const Callback<void(bool)> &importCallback);

typedef MemberCaller<ToggleShown, void (const Callback<void (bool)> &), &ToggleShown::exportActive> ActiveCaller;

void set(bool shown);

void toggle();

typedef MemberCaller<ToggleShown, void (), &ToggleShown::toggle> ToggleCaller;

void connect(ui::Widget widget);
};


void widget_queue_draw(ui::Widget &widget);

typedef ReferenceCaller<ui::Widget, void (), widget_queue_draw> WidgetQueueDrawCaller;


void widget_make_default(ui::Widget widget);

class WidgetFocusPrinter {
const char *m_name;

static gboolean focus_in(ui::Widget widget, GdkEventFocus *event, WidgetFocusPrinter *self);

static gboolean focus_out(ui::Widget widget, GdkEventFocus *event, WidgetFocusPrinter *self);

public:
WidgetFocusPrinter(const char *name) : m_name(name)
{
}

void connect(ui::Widget widget);
};

#endif