lyx_mirror/src/frontends/qt2/QWorkArea.C

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/**
* \file QWorkArea.C
* Copyright 1995-2002 the LyX Team
* Read the file COPYING
*
* \author John Levon <moz@compsoc.man.ac.uk>
*/
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "debug.h"
#include "LyXView.h"
#include "version.h" // lyx_version
#include "support/filetools.h" // LibFileSearch
#include "support/lstrings.h"
#include "support/LAssert.h"
#include <cmath>
#include <cctype>
#include "QWorkArea.h"
#include <qapplication.h>
#include <qevent.h>
#include <qpainter.h>
#include <qmainwindow.h>
#include <qlayout.h>
#include <qclipboard.h>
using std::endl;
using std::abs;
using std::hex;
QWorkArea::QWorkArea(int, int, int, int)
: WorkArea(), QWidget(qApp->mainWidget()), painter_(*this)
{
scrollbar_ = new QScrollBar(QScrollBar::Vertical, this);
content_ = new QContentPane(this);
(static_cast<QMainWindow*>(qApp->mainWidget()))->setCentralWidget(this);
content_->show();
content_->setBackgroundColor(lcolor.getX11Name(LColor::background).c_str());
QHBoxLayout * vl = new QHBoxLayout(this);
vl->addWidget(content_, 5);
vl->addWidget(scrollbar_, 0);
show();
}
QWorkArea::~QWorkArea()
{
}
void QWorkArea::setScrollbarParams(int h, int pos, int line_h)
{
// do what cursor movement does (some grey)
h += height() / 4;
int max = h - height();
if (max < 0)
max = 0;
scrollbar_->setRange(0, max);
scrollbar_->setValue(pos);
scrollbar_->setLineStep(line_h);
scrollbar_->setPageStep(height());
}
void QWorkArea::haveSelection(bool) const
{
// not possible in Qt !
}
string const QWorkArea::getClipboard() const
{
QString str = QApplication::clipboard()->text();
if (str.isNull())
return string();
return str.latin1();
}
void QWorkArea::putClipboard(string const & str) const
{
QApplication::clipboard()->setText(str.c_str());
}