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https://git.lyx.org/repos/lyx.git
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fabd5d2057
This kind of wrapping will be needed anyway, and it's an improvement on what we had. Please give it a run. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@5846 a592a061-630c-0410-9148-cb99ea01b6c8
147 lines
2.8 KiB
C
147 lines
2.8 KiB
C
/**
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* \file QWorkArea.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author John Levon
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*
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* Full author contact details are available in file CREDITS
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*/
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "debug.h"
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#include "LyXView.h"
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#include "version.h" // lyx_version
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#include "support/filetools.h" // LibFileSearch
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#include "support/lstrings.h"
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#include "support/LAssert.h"
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#include "QWorkArea.h"
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#include "qt_helpers.h"
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#include <qapplication.h>
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#include <qevent.h>
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#include <qpainter.h>
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#include <qmainwindow.h>
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#include <qlayout.h>
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#include <qclipboard.h>
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#ifdef Q_WS_X11
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#include <X11/Xlib.h>
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#endif
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#include <cmath>
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#include <cctype>
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using std::endl;
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using std::abs;
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using std::hex;
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QWorkArea::QWorkArea(int, int, int, int)
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: WorkArea(), QWidget(qApp->mainWidget()), painter_(*this)
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{
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scrollbar_ = new QScrollBar(QScrollBar::Vertical, this);
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content_ = new QContentPane(this);
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(static_cast<QMainWindow*>(qApp->mainWidget()))->setCentralWidget(this);
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setFocusProxy(content_);
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content_->show();
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content_->setBackgroundColor(toqstr(lcolor.getX11Name(LColor::background)));
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QHBoxLayout * vl = new QHBoxLayout(this);
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vl->addWidget(content_, 5);
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vl->addWidget(scrollbar_, 0);
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show();
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}
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QWorkArea::~QWorkArea()
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{
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}
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void QWorkArea::setScrollbarParams(int h, int pos, int line_h)
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{
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// do what cursor movement does (some grey)
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h += height() / 4;
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int max = std::max(0, h - height());
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scrollbar_->setRange(0, max);
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scrollbar_->setValue(pos);
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scrollbar_->setLineStep(line_h);
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scrollbar_->setPageStep(height());
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}
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namespace {
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QWorkArea const * wa_ptr = 0;
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}
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#ifdef Q_WS_X11
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bool lyxX11EventFilter(XEvent * xev)
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{
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switch (xev->type) {
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case SelectionRequest:
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lyxerr[Debug::GUI] << "X requested selection." << endl;
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if (wa_ptr)
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wa_ptr->selectionRequested();
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break;
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case SelectionClear:
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lyxerr[Debug::GUI] << "Lost selection." << endl;
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if (wa_ptr)
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wa_ptr->selectionLost();
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break;
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}
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return false;
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}
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#endif
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void QWorkArea::haveSelection(bool own) const
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{
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wa_ptr = this;
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#if QT_VERSION >= 300
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if (!QApplication::clipboard()->supportsSelection())
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return;
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if (own) {
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QApplication::clipboard()->setSelectionMode(true);
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QApplication::clipboard()->setText(QString());
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}
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// We don't need to do anything if own = false, as this case is
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// handled by QT.
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#endif
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}
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string const QWorkArea::getClipboard() const
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{
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#if QT_VERSION >= 300
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QApplication::clipboard()->setSelectionMode(true);
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#endif
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QString str = QApplication::clipboard()->text();
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if (str.isNull())
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return string();
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return fromqstr(str);
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}
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void QWorkArea::putClipboard(string const & str) const
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{
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#if QT_VERSION >= 300
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QApplication::clipboard()->setSelectionMode(true);
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#endif
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QApplication::clipboard()->setText(toqstr(str));
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}
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