/*
 * psitabwidget.h - Customised QTabWidget for Psi
 * Copyright (C) 2006  Kevin Smith
 *
 * 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
 * of the License, 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */

#ifndef PSITABWIDGET_H
#define PSITABWIDGET_H

#include <QTabWidget>
#include <QTabBar>
#include <QDragEnterEvent>
#include "psitabbar.h"

class QVBoxLayout;
class QHBoxLayout;
class QToolButton;
class QStackedLayout;
class QMenu;

/**
 * \class PsiTabWidget
 * \brief
 */
class PsiTabWidget : public QWidget //: public QTabWidget
{
	Q_OBJECT
public:
	PsiTabWidget(QWidget *parent = 0);
	~PsiTabWidget();

	void setTabTextColor(QWidget *tab, const QColor &color);
	int count();
	QWidget *currentPage();
	int currentPageIndex();
	QWidget *widget(int index);
	void addTab(QWidget *, QString, const QIcon &icon = QIcon());
	void showPage(QWidget *);
	void showPageDirectly(QWidget *);

	void removePage(QWidget *);
	QWidget* page(int index);
	int getIndex(QWidget *);
	void setTabText(QWidget *, const QString &);
	void setTabIcon(QWidget *, const QIcon &);
	void setTabPosition(QTabWidget::TabPosition pos);
	void setCloseIcon(const QIcon &);

	void setTabBarShown(bool shown);     // default shown
	void setTabButtonsShown(bool shown); // default shown
	void setDragsEnabled(bool enabled);  // default enabled

public slots:
	void setCurrentPage(int);
	void removeCurrentPage();
	void setLooks();

signals:
	void mouseDoubleClickTab(QWidget *tab);
	void mouseMiddleClickTab(QWidget *tab);
	void currentChanged(QWidget *selected);
	void closeButtonClicked();
	void aboutToShowMenu(QMenu *);
	void tabCloseRequested(int i);

	// context menu on the blank space will have tab==-1
	void tabContextMenu(int tab, QPoint pos, QContextMenuEvent *event);

private slots:
	void mouseDoubleClickTab(int tab);
	void mouseMiddleClickTab(int tab);
	void tab_currentChanged(int tab);
	void tab_contextMenu(QContextMenuEvent *event, int tab);
	void menu_aboutToShow();
	void menu_triggered(QAction *act);
	void widgetMoved(int from, int to);

private:
	QVector<QWidget*> widgets_;
	QTabBar *tabBar_;
	QVBoxLayout *layout_;
	QHBoxLayout *barLayout_;
	QStackedLayout *stacked_;
	QToolButton *closeButton_;
	QToolButton *downButton_;
	QTabWidget::TabPosition tabsPosition_;
	QMenu *menu_;
};


#define PSITABDRAGMIMETYPE "x-drag-drop/x-psi-tab-drag"

#endif