/* This file is part of the KDE project
   Copyright (C) 2003 Jaroslaw Staniek <js@iidea.pl>

   This program is free software; you can redistribute it and,or
   modify it under the terms of the GNU Library 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
   Library General Public License for more details.

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

   Loosely based on tdevelop/src/statusbar.cpp
   Copyright (C) 2001 by Bernd Gehrmann <bernd@kdevelop.org>
*/

#include "kexistatusbar.h"

#include <tqlayout.h>
#include <tqlineedit.h>
#include <tqpainter.h>
#include <tqtimer.h>
#include <tqfontmetrics.h>

#include <kdebug.h>
#include <tdeglobalsettings.h>
#include <tdelocale.h>
#include <tdeparts/part.h>

#if KexitStatusBar_KTEXTEDITOR_USED
#include <tdetexteditor/viewcursorinterface.h>
#include <tdetexteditor/viewstatusmsginterface.h>
#endif

KexitStatusBar::KexitStatusBar(TQWidget *parent, const char *name)
    : KStatusBar(parent, name)
#if KexitStatusBar_KTEXTEDITOR_USED
	, m_cursorIface(0)
#endif
	, m_activePart(0)
{
	int id = 0;
	m_msgID = id++;
	insertItem("", m_msgID, 1, true);

	m_readOnlyID = id++;
	insertFixedItem(i18n("Read only"), m_readOnlyID, true);
	setReadOnlyFlag(false);

// @todo
//	connect(PartController::getInstance(), TQ_SIGNAL(activePartChanged(KParts::Part*)),
//		this, TQ_SLOT(activePartChanged(KParts::Part*)));

	/// @todo remove parts from the map on PartRemoved() ?
}


KexitStatusBar::~KexitStatusBar()
{
}

void KexitStatusBar::activePartChanged(KParts::Part *part)
{
	if ( m_activePart && m_activePart->widget() )
		disconnect( m_activePart->widget(), 0, this, 0 );

	m_activePart = part;
#if KexitStatusBar_KTEXTEDITOR_USED
	m_cursorIface = 0;
	m_viewmsgIface = 0;
// @todo
	if (part && part->widget()) {
		if ((m_viewmsgIface = dynamic_cast<KTextEditor::ViewStatusMsgInterface*>(part->widget()))) {
			connect( part->widget(), TQ_SIGNAL( viewStatusMsg( const TQString & ) ),
				this, TQ_SLOT( setStatus( const TQString & ) ) );

#  if TDE_VERSION < TDE_MAKE_VERSION(3,1,90)
			changeItem(m_map[ m_activePart ], m_msgID);
//			m_status->setText( m_map[ m_activePart ] );
#  endif
		}
		else if ((m_cursorIface = dynamic_cast<KTextEditor::ViewCursorInterface*>(part->widget()))) {
			connect(part->widget(), TQ_SIGNAL(cursorPositionChanged()), this, TQ_SLOT(cursorPositionChanged()));
			cursorPositionChanged();
	    }
		else {
			// we can't produce any status data, hide the status box
			changeItem("", m_msgID);
		}
	}
#endif
}


void KexitStatusBar::cursorPositionChanged()
{
#if KexitStatusBar_KTEXTEDITOR_USED
  if (m_cursorIface)
  {
    uint line, col;
    m_cursorIface->cursorPosition(&line, &col);
    setCursorPosition(line, col);
  }
#endif
}

void KexitStatusBar::setStatus(const TQString &str)
{
	kdDebug() << "KexitStatusBar::setStatus(" << str << ")" << endl;
//	m_status->setText(str);
	changeItem(str, m_msgID);

#if defined(TDE_MAKE_VERSION)
# if TDE_VERSION < TDE_MAKE_VERSION(3,1,90)
	m_map[m_activePart] = str;
# endif
#endif
}

void KexitStatusBar::setCursorPosition(int line, int col)
{
//	m_status->setText(i18n(" Line: %1 Col: %2 ").arg(line+1).arg(col));
	changeItem(i18n(" Line: %1 Col: %2 ").arg(line+1).arg(col), m_msgID);
}

/*void KexitStatusBar::addWidget ( TQWidget *widget, int stretch, bool permanent)
{
	KStatusBar::addWidget(widget,stretch,permanent);

	if(widget->sizeHint().height() + 4 > height())
		setFixedHeight(widget->sizeHint().height() + 4);
}*/

void KexitStatusBar::setReadOnlyFlag(bool readOnly)
{
	changeItem(readOnly ? i18n("Read only") : TQString(), m_readOnlyID);
}

#include "kexistatusbar.moc"