3110 lines
79 KiB
C++
3110 lines
79 KiB
C++
/*
|
|
|
|
Copyright 2014 S. Razi Alavizadeh
|
|
Copyright 2013 Thomas Etter
|
|
Copyright 2012-2015, 2018 Adam Reichold
|
|
Copyright 2014 Dorian Scholz
|
|
Copyright 2018 Egor Zenkov
|
|
|
|
This file is part of qpdfview.
|
|
|
|
qpdfview 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.
|
|
|
|
qpdfview 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 qpdfview. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
#include "documentview.h"
|
|
|
|
#include <QApplication>
|
|
#include <QInputDialog>
|
|
#include <QDateTime>
|
|
#include <QDebug>
|
|
#include <QDesktopWidget>
|
|
#include <QDesktopServices>
|
|
#include <QDir>
|
|
#include <QFileSystemWatcher>
|
|
#include <QKeyEvent>
|
|
#include <qmath.h>
|
|
#include <QMenu>
|
|
#include <QMessageBox>
|
|
#include <QPrintEngine>
|
|
#include <QProcess>
|
|
#include <QProgressDialog>
|
|
#include <QScrollBar>
|
|
#include <QTemporaryFile>
|
|
#include <QTimer>
|
|
#include <QUrl>
|
|
|
|
#ifdef WITH_CUPS
|
|
|
|
#include <cups/cups.h>
|
|
#include <cups/ppd.h>
|
|
|
|
#endif // WITH_CUPS
|
|
|
|
#ifdef WITH_SYNCTEX
|
|
|
|
#include <synctex_parser.h>
|
|
|
|
#ifndef HAS_SYNCTEX_2
|
|
|
|
typedef synctex_scanner_t synctex_scanner_p;
|
|
typedef synctex_node_t synctex_node_p;
|
|
|
|
#define synctex_scanner_next_result(scanner) synctex_next_result(scanner)
|
|
|
|
#endif // HAS_SYNCTEX_2
|
|
|
|
#endif // WITH_SYNCTEX
|
|
|
|
#include "settings.h"
|
|
#include "model.h"
|
|
#include "pluginhandler.h"
|
|
#include "shortcuthandler.h"
|
|
#include "thumbnailitem.h"
|
|
#include "presentationview.h"
|
|
#include "searchmodel.h"
|
|
#include "searchtask.h"
|
|
#include "miscellaneous.h"
|
|
#include "documentlayout.h"
|
|
|
|
namespace
|
|
{
|
|
|
|
using namespace qpdfview;
|
|
|
|
// taken from http://rosettacode.org/wiki/Roman_numerals/Decode#C.2B.2B
|
|
int romanToInt(const QString& text)
|
|
{
|
|
if(text.size() == 1)
|
|
{
|
|
switch(text.at(0).toLower().toLatin1())
|
|
{
|
|
case 'i': return 1;
|
|
case 'v': return 5;
|
|
case 'x': return 10;
|
|
case 'l': return 50;
|
|
case 'c': return 100;
|
|
case 'd': return 500;
|
|
case 'm': return 1000;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int result = 0;
|
|
int previous = 0, current = 0;
|
|
|
|
for(int i = text.size() - 1; i >= 0; --i)
|
|
{
|
|
current = romanToInt(text.at(i));
|
|
|
|
result += current < previous ? -current : current;
|
|
|
|
previous = current;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// taken from http://rosettacode.org/wiki/Roman_numerals/Encode#C.2B.2B
|
|
QString intToRoman(int number)
|
|
{
|
|
struct romandata_t
|
|
{
|
|
int value;
|
|
char const* numeral;
|
|
};
|
|
|
|
static const romandata_t romandata[] =
|
|
{
|
|
{ 1000, "m" },
|
|
{ 900, "cm" },
|
|
{ 500, "d" },
|
|
{ 400, "cd" },
|
|
{ 100, "c" },
|
|
{ 90, "xc" },
|
|
{ 50, "l" },
|
|
{ 40, "xl" },
|
|
{ 10, "x" },
|
|
{ 9, "ix" },
|
|
{ 5, "v" },
|
|
{ 4, "iv" },
|
|
{ 1, "i" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
if(number >= 4000)
|
|
{
|
|
return QLatin1String("?");
|
|
}
|
|
|
|
QString result;
|
|
|
|
for(const romandata_t* current = romandata; current->value > 0; ++current)
|
|
{
|
|
while(number >= current->value)
|
|
{
|
|
number -= current->value;
|
|
result += QLatin1String(current->numeral);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
bool copyFile(QFile& source, QFile& destination)
|
|
{
|
|
const qint64 maxSize = 4096;
|
|
qint64 size = -1;
|
|
|
|
QScopedArrayPointer< char > buffer(new char[maxSize]);
|
|
|
|
do
|
|
{
|
|
if((size = source.read(buffer.data(), maxSize)) < 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(destination.write(buffer.data(), size) < 0)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
while(size > 0);
|
|
|
|
return true;
|
|
}
|
|
|
|
inline void adjustFileTemplateSuffix(QTemporaryFile& temporaryFile, const QString& suffix)
|
|
{
|
|
temporaryFile.setFileTemplate(temporaryFile.fileTemplate() + QLatin1String(".") + suffix);
|
|
}
|
|
|
|
#ifdef WITH_CUPS
|
|
|
|
struct RemovePpdFileDeleter
|
|
{
|
|
static inline void cleanup(const char* ppdFileName) { if(ppdFileName != 0) { QFile::remove(ppdFileName); } }
|
|
};
|
|
|
|
struct ClosePpdFileDeleter
|
|
{
|
|
static inline void cleanup(ppd_file_t* ppdFile) { if(ppdFile != 0) { ppdClose(ppdFile); } }
|
|
};
|
|
|
|
int addCMYKorRGBColorModel(cups_dest_t* dest, int num_options, cups_option_t** options)
|
|
{
|
|
QScopedPointer< const char, RemovePpdFileDeleter > ppdFileName(cupsGetPPD(dest->name));
|
|
|
|
if(ppdFileName.isNull())
|
|
{
|
|
return num_options;
|
|
}
|
|
|
|
QScopedPointer< ppd_file_t, ClosePpdFileDeleter > ppdFile(ppdOpenFile(ppdFileName.data()));
|
|
|
|
if(ppdFile.isNull())
|
|
{
|
|
return num_options;
|
|
}
|
|
|
|
ppd_option_t* colorModel = ppdFindOption(ppdFile.data(), "ColorModel");
|
|
|
|
if(colorModel == 0)
|
|
{
|
|
return num_options;
|
|
}
|
|
|
|
for(int index = 0; index < colorModel->num_choices; ++index)
|
|
{
|
|
if(qstrcmp(colorModel->choices[index].choice, "CMYK") == 0)
|
|
{
|
|
return cupsAddOption("ColorModel", "CMYK", num_options, options);
|
|
}
|
|
}
|
|
|
|
for(int index = 0; index < colorModel->num_choices; ++index)
|
|
{
|
|
if(qstrcmp(colorModel->choices[index].choice, "RGB") == 0)
|
|
{
|
|
return cupsAddOption("ColorModel", "RGB", num_options, options);
|
|
}
|
|
}
|
|
|
|
return num_options;
|
|
}
|
|
|
|
#endif // WITH_CUPS
|
|
|
|
#ifdef WITH_SYNCTEX
|
|
|
|
DocumentView::SourceLink scanForSourceLink(const QString& filePath, const int page, QPointF pos)
|
|
{
|
|
DocumentView::SourceLink sourceLink;
|
|
|
|
if(synctex_scanner_p scanner = synctex_scanner_new_with_output_file(filePath.toLocal8Bit(), 0, 1))
|
|
{
|
|
if(synctex_edit_query(scanner, page, pos.x(), pos.y()) > 0)
|
|
{
|
|
for(synctex_node_p node = synctex_scanner_next_result(scanner); node != 0; node = synctex_scanner_next_result(scanner))
|
|
{
|
|
sourceLink.name = QString::fromLocal8Bit(synctex_scanner_get_name(scanner, synctex_node_tag(node)));
|
|
sourceLink.line = qMax(synctex_node_line(node), 0);
|
|
sourceLink.column = qMax(synctex_node_column(node), 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
synctex_scanner_free(scanner);
|
|
}
|
|
|
|
return sourceLink;
|
|
}
|
|
|
|
#endif // WITH_SYNCTEX
|
|
|
|
inline bool modifiersAreActive(const QWheelEvent* event, Qt::KeyboardModifiers modifiers)
|
|
{
|
|
if(modifiers == Qt::NoModifier)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return event->modifiers() == modifiers || (event->buttons() & modifiers) != 0;
|
|
}
|
|
|
|
inline bool modifiersUseMouseButton(Settings* settings, Qt::MouseButton mouseButton)
|
|
{
|
|
return ((settings->documentView().zoomModifiers() | settings->documentView().rotateModifiers() | settings->documentView().scrollModifiers()) & mouseButton) != 0;
|
|
}
|
|
|
|
inline void adjustScaleFactor(RenderParam& renderParam, qreal scaleFactor)
|
|
{
|
|
if(!qFuzzyCompare(renderParam.scaleFactor(), scaleFactor))
|
|
{
|
|
renderParam.setScaleFactor(scaleFactor);
|
|
}
|
|
}
|
|
|
|
inline void setValueIfNotVisible(QScrollBar* scrollBar, int value)
|
|
{
|
|
if(value < scrollBar->value() || value > scrollBar->value() + scrollBar->pageStep())
|
|
{
|
|
scrollBar->setValue(value);
|
|
}
|
|
}
|
|
|
|
inline int pageOfResult(const QModelIndex& index)
|
|
{
|
|
return index.data(SearchModel::PageRole).toInt();
|
|
}
|
|
|
|
inline QRectF rectOfResult(const QModelIndex& index)
|
|
{
|
|
return index.data(SearchModel::RectRole).toRectF();
|
|
}
|
|
|
|
class OutlineModel : public QAbstractItemModel
|
|
{
|
|
public:
|
|
OutlineModel(const Model::Outline& outline, DocumentView* parent) : QAbstractItemModel(parent),
|
|
m_outline(outline)
|
|
{
|
|
}
|
|
|
|
QModelIndex index(int row, int column, const QModelIndex& parent) const
|
|
{
|
|
if(!hasIndex(row, column, parent))
|
|
{
|
|
return QModelIndex();
|
|
}
|
|
|
|
if(parent.isValid())
|
|
{
|
|
const Model::Section* section = resolveIndex(parent);
|
|
|
|
return createIndex(row, column, §ion->children);
|
|
}
|
|
else
|
|
{
|
|
return createIndex(row, column, &m_outline);
|
|
}
|
|
}
|
|
|
|
QModelIndex parent(const QModelIndex& child) const
|
|
{
|
|
if(!child.isValid())
|
|
{
|
|
return QModelIndex();
|
|
}
|
|
|
|
const Model::Outline* children = static_cast< const Model::Outline* >(child.internalPointer());
|
|
|
|
if(&m_outline != children)
|
|
{
|
|
return findParent(&m_outline, children);
|
|
}
|
|
|
|
return QModelIndex();
|
|
}
|
|
|
|
int columnCount(const QModelIndex&) const
|
|
{
|
|
return 2;
|
|
}
|
|
|
|
int rowCount(const QModelIndex& parent) const
|
|
{
|
|
if(parent.isValid())
|
|
{
|
|
const Model::Section* section = resolveIndex(parent);
|
|
|
|
return section->children.size();
|
|
}
|
|
else
|
|
{
|
|
return m_outline.size();
|
|
}
|
|
}
|
|
|
|
QVariant data(const QModelIndex& index, int role) const
|
|
{
|
|
if(!index.isValid())
|
|
{
|
|
return QVariant();
|
|
}
|
|
|
|
const Model::Section* section = resolveIndex(index);
|
|
|
|
switch(role)
|
|
{
|
|
case Qt::DisplayRole:
|
|
switch(index.column())
|
|
{
|
|
case 0:
|
|
return section->title;
|
|
case 1:
|
|
return pageLabel(section->link.page);
|
|
default:
|
|
return QVariant();
|
|
}
|
|
case Model::Document::PageRole:
|
|
return section->link.page;
|
|
case Model::Document::LeftRole:
|
|
return section->link.left;
|
|
case Model::Document::TopRole:
|
|
return section->link.top;
|
|
case Model::Document::FileNameRole:
|
|
return section->link.urlOrFileName;
|
|
case Model::Document::ExpansionRole:
|
|
return m_expanded.contains(section);
|
|
default:
|
|
return QVariant();
|
|
}
|
|
}
|
|
|
|
bool setData(const QModelIndex& index, const QVariant& value, int role)
|
|
{
|
|
if(!index.isValid() || role != Model::Document::ExpansionRole)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
const Model::Section* section = resolveIndex(index);
|
|
|
|
if(value.toBool())
|
|
{
|
|
m_expanded.insert(section);
|
|
}
|
|
else
|
|
{
|
|
m_expanded.remove(section);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
const Model::Outline m_outline;
|
|
|
|
DocumentView* documentView() const
|
|
{
|
|
return static_cast< DocumentView* >(QObject::parent());
|
|
}
|
|
|
|
QString pageLabel(int pageNumber) const
|
|
{
|
|
return documentView()->pageLabelFromNumber(pageNumber);
|
|
}
|
|
|
|
QSet< const Model::Section* > m_expanded;
|
|
|
|
const Model::Section* resolveIndex(const QModelIndex& index) const
|
|
{
|
|
return &static_cast< const Model::Outline* >(index.internalPointer())->at(index.row());
|
|
}
|
|
|
|
QModelIndex createIndex(int row, int column, const Model::Outline* outline) const
|
|
{
|
|
return QAbstractItemModel::createIndex(row, column, const_cast< void* >(static_cast< const void* >(outline)));
|
|
}
|
|
|
|
QModelIndex findParent(const Model::Outline* outline, const Model::Outline* children) const
|
|
{
|
|
for(Model::Outline::const_iterator section = outline->begin(); section != outline->end(); ++section)
|
|
{
|
|
if(§ion->children == children)
|
|
{
|
|
return createIndex(section - outline->begin(), 0, outline);
|
|
}
|
|
}
|
|
|
|
for(Model::Outline::const_iterator section = outline->begin(); section != outline->end(); ++section)
|
|
{
|
|
const QModelIndex parent = findParent(§ion->children, children);
|
|
|
|
if(parent.isValid())
|
|
{
|
|
return parent;
|
|
}
|
|
}
|
|
|
|
return QModelIndex();
|
|
}
|
|
|
|
};
|
|
|
|
class FallbackOutlineModel : public QAbstractTableModel
|
|
{
|
|
public:
|
|
FallbackOutlineModel(DocumentView* parent) : QAbstractTableModel(parent)
|
|
{
|
|
}
|
|
|
|
int columnCount(const QModelIndex&) const
|
|
{
|
|
return 2;
|
|
}
|
|
|
|
int rowCount(const QModelIndex& parent) const
|
|
{
|
|
if(parent.isValid())
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return numberOfPages();
|
|
}
|
|
|
|
QVariant data(const QModelIndex& index, int role) const
|
|
{
|
|
if(!index.isValid())
|
|
{
|
|
return QVariant();
|
|
}
|
|
|
|
const int pageNumber = index.row() + 1;
|
|
|
|
switch(role)
|
|
{
|
|
case Qt::DisplayRole:
|
|
switch(index.column())
|
|
{
|
|
case 0:
|
|
return DocumentView::tr("Page %1").arg(pageLabel(pageNumber));
|
|
case 1:
|
|
return pageLabel(pageNumber);
|
|
default:
|
|
return QVariant();
|
|
}
|
|
case Model::Document::PageRole:
|
|
return pageNumber;
|
|
case Model::Document::LeftRole:
|
|
case Model::Document::TopRole:
|
|
return qQNaN();
|
|
default:
|
|
return QVariant();
|
|
}
|
|
}
|
|
|
|
private:
|
|
DocumentView* documentView() const
|
|
{
|
|
return static_cast< DocumentView* >(QObject::parent());
|
|
}
|
|
|
|
int numberOfPages() const
|
|
{
|
|
return documentView()->numberOfPages();
|
|
}
|
|
|
|
QString pageLabel(int pageNumber) const
|
|
{
|
|
return documentView()->pageLabelFromNumber(pageNumber);
|
|
}
|
|
|
|
};
|
|
|
|
class PropertiesModel : public QAbstractTableModel
|
|
{
|
|
public:
|
|
PropertiesModel(const Model::Properties& properties, DocumentView* parent = 0) : QAbstractTableModel(parent),
|
|
m_properties(properties)
|
|
{
|
|
}
|
|
|
|
int columnCount(const QModelIndex&) const
|
|
{
|
|
return 2;
|
|
}
|
|
|
|
int rowCount(const QModelIndex& parent) const
|
|
{
|
|
if(parent.isValid())
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return m_properties.size();
|
|
}
|
|
|
|
QVariant data(const QModelIndex& index, int role) const
|
|
{
|
|
if(!index.isValid() || role != Qt::DisplayRole)
|
|
{
|
|
return QVariant();
|
|
}
|
|
|
|
switch (index.column())
|
|
{
|
|
case 0:
|
|
return m_properties[index.row()].first;
|
|
case 1:
|
|
return m_properties[index.row()].second;
|
|
default:
|
|
return QVariant();
|
|
}
|
|
}
|
|
|
|
private:
|
|
const Model::Properties m_properties;
|
|
|
|
};
|
|
|
|
void addProperty(Model::Properties& properties, const char* name, const QString& value)
|
|
{
|
|
properties.append(qMakePair(DocumentView::tr(name), value));
|
|
}
|
|
|
|
QString formatFileSize(qint64 size)
|
|
{
|
|
static const char* const units[] = { "B", "kB", "MB", "GB" };
|
|
static const char* const* const lastUnit = &units[sizeof(units) / sizeof(units[0]) - 1];
|
|
const char* const* unit = &units[0];
|
|
|
|
while(size > 2048 && unit < lastUnit)
|
|
{
|
|
size /= 1024;
|
|
unit++;
|
|
}
|
|
|
|
return QString("%1 %2").arg(size).arg(*unit);
|
|
}
|
|
|
|
void addFileProperties(Model::Properties& properties, const QFileInfo& fileInfo)
|
|
{
|
|
addProperty(properties, "File path", fileInfo.absoluteFilePath());
|
|
addProperty(properties, "File size", formatFileSize(fileInfo.size()));
|
|
addProperty(properties, "File created", fileInfo.created().toString());
|
|
addProperty(properties, "File last modified", fileInfo.lastModified().toString());
|
|
addProperty(properties, "File owner", fileInfo.owner());
|
|
addProperty(properties, "File group", fileInfo.owner());
|
|
}
|
|
|
|
void appendToPath(const QModelIndex& index, QByteArray& path)
|
|
{
|
|
path.append(index.data(Qt::DisplayRole).toByteArray()).append('\0');
|
|
}
|
|
|
|
void saveExpandedPaths(const QAbstractItemModel* model, QSet< QByteArray >& paths, const QModelIndex& index = QModelIndex(), QByteArray path = QByteArray())
|
|
{
|
|
appendToPath(index, path);
|
|
|
|
if(model->data(index, Model::Document::ExpansionRole).toBool())
|
|
{
|
|
paths.insert(path);
|
|
}
|
|
|
|
for(int row = 0, rowCount = model->rowCount(index); row < rowCount; ++row)
|
|
{
|
|
saveExpandedPaths(model, paths, model->index(row, 0, index), path);
|
|
}
|
|
}
|
|
|
|
void restoreExpandedPaths(QAbstractItemModel* model, const QSet< QByteArray >& paths, const QModelIndex& index = QModelIndex(), QByteArray path = QByteArray())
|
|
{
|
|
appendToPath(index, path);
|
|
|
|
if(paths.contains(path))
|
|
{
|
|
model->setData(index, true, Model::Document::ExpansionRole);
|
|
}
|
|
|
|
for(int row = 0, rowCount = model->rowCount(index); row < rowCount; ++row)
|
|
{
|
|
restoreExpandedPaths(model, paths, model->index(row, 0, index), path);
|
|
}
|
|
}
|
|
|
|
} // anonymous
|
|
|
|
namespace qpdfview
|
|
{
|
|
|
|
class DocumentView::VerticalScrollBarChangedBlocker
|
|
{
|
|
Q_DISABLE_COPY(VerticalScrollBarChangedBlocker)
|
|
|
|
private:
|
|
DocumentView* const that;
|
|
|
|
public:
|
|
|
|
VerticalScrollBarChangedBlocker(DocumentView* that) : that(that)
|
|
{
|
|
that->m_verticalScrollBarChangedBlocked = true;
|
|
}
|
|
|
|
~VerticalScrollBarChangedBlocker()
|
|
{
|
|
that->m_verticalScrollBarChangedBlocked = false;
|
|
}
|
|
|
|
};
|
|
|
|
Settings* DocumentView::s_settings = 0;
|
|
ShortcutHandler* DocumentView::s_shortcutHandler = 0;
|
|
SearchModel* DocumentView::s_searchModel = 0;
|
|
|
|
DocumentView::DocumentView(QWidget* parent) : QGraphicsView(parent),
|
|
m_autoRefreshWatcher(0),
|
|
m_autoRefreshTimer(0),
|
|
m_prefetchTimer(0),
|
|
m_document(0),
|
|
m_pages(),
|
|
m_fileInfo(),
|
|
m_wasModified(false),
|
|
m_currentPage(-1),
|
|
m_firstPage(-1),
|
|
m_past(),
|
|
m_future(),
|
|
m_layout(new SinglePageLayout),
|
|
m_continuousMode(false),
|
|
m_scaleMode(ScaleFactorMode),
|
|
m_scaleFactor(1.0),
|
|
m_rotation(RotateBy0),
|
|
m_renderFlags(0),
|
|
m_highlightAll(false),
|
|
m_rubberBandMode(ModifiersMode),
|
|
m_pageItems(),
|
|
m_thumbnailItems(),
|
|
m_highlight(0),
|
|
m_thumbnailsViewportSize(),
|
|
m_thumbnailsOrientation(Qt::Vertical),
|
|
m_thumbnailsScene(0),
|
|
m_outlineModel(0),
|
|
m_propertiesModel(0),
|
|
m_verticalScrollBarChangedBlocked(false),
|
|
m_currentResult(),
|
|
m_searchTask(0)
|
|
{
|
|
if(s_settings == 0)
|
|
{
|
|
s_settings = Settings::instance();
|
|
}
|
|
|
|
if(s_shortcutHandler == 0)
|
|
{
|
|
s_shortcutHandler = ShortcutHandler::instance();
|
|
}
|
|
|
|
if(s_searchModel == 0)
|
|
{
|
|
s_searchModel = SearchModel::instance();
|
|
}
|
|
|
|
setScene(new QGraphicsScene(this));
|
|
|
|
setFocusPolicy(Qt::StrongFocus);
|
|
setAcceptDrops(false);
|
|
setDragMode(QGraphicsView::ScrollHandDrag);
|
|
|
|
connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(on_verticalScrollBar_valueChanged()));
|
|
|
|
m_thumbnailsScene = new QGraphicsScene(this);
|
|
|
|
// highlight
|
|
|
|
m_highlight = new QGraphicsRectItem();
|
|
m_highlight->setGraphicsEffect(new GraphicsCompositionModeEffect(QPainter::CompositionMode_Multiply, this));
|
|
|
|
m_highlight->setVisible(false);
|
|
scene()->addItem(m_highlight);
|
|
|
|
// search
|
|
|
|
m_searchTask = new SearchTask(this);
|
|
|
|
connect(m_searchTask, SIGNAL(finished()), SIGNAL(searchFinished()));
|
|
|
|
connect(m_searchTask, SIGNAL(progressChanged(int)), SLOT(on_searchTask_progressChanged(int)));
|
|
connect(m_searchTask, SIGNAL(resultsReady(int,QList<QRectF>)), SLOT(on_searchTask_resultsReady(int,QList<QRectF>)));
|
|
|
|
// auto-refresh
|
|
|
|
m_autoRefreshWatcher = new QFileSystemWatcher(this);
|
|
|
|
m_autoRefreshTimer = new QTimer(this);
|
|
m_autoRefreshTimer->setInterval(s_settings->documentView().autoRefreshTimeout());
|
|
m_autoRefreshTimer->setSingleShot(true);
|
|
|
|
connect(m_autoRefreshWatcher, SIGNAL(fileChanged(QString)), m_autoRefreshTimer, SLOT(start()));
|
|
|
|
connect(m_autoRefreshTimer, SIGNAL(timeout()), this, SLOT(on_autoRefresh_timeout()));
|
|
|
|
// prefetch
|
|
|
|
m_prefetchTimer = new QTimer(this);
|
|
m_prefetchTimer->setInterval(s_settings->documentView().prefetchTimeout());
|
|
m_prefetchTimer->setSingleShot(true);
|
|
|
|
connect(this, SIGNAL(currentPageChanged(int)), m_prefetchTimer, SLOT(start()));
|
|
connect(this, SIGNAL(layoutModeChanged(LayoutMode)), m_prefetchTimer, SLOT(start()));
|
|
connect(this, SIGNAL(scaleModeChanged(ScaleMode)), m_prefetchTimer, SLOT(start()));
|
|
connect(this, SIGNAL(scaleFactorChanged(qreal)), m_prefetchTimer, SLOT(start()));
|
|
connect(this, SIGNAL(rotationChanged(Rotation)), m_prefetchTimer, SLOT(start()));
|
|
connect(this, SIGNAL(renderFlagsChanged(qpdfview::RenderFlags)), m_prefetchTimer, SLOT(start()));
|
|
|
|
connect(m_prefetchTimer, SIGNAL(timeout()), SLOT(on_prefetch_timeout()));
|
|
|
|
// settings
|
|
|
|
m_continuousMode = s_settings->documentView().continuousMode();
|
|
m_layout.reset(DocumentLayout::fromLayoutMode(s_settings->documentView().layoutMode()));
|
|
m_rightToLeftMode = s_settings->documentView().rightToLeftMode();
|
|
|
|
m_scaleMode = s_settings->documentView().scaleMode();
|
|
m_scaleFactor = s_settings->documentView().scaleFactor();
|
|
m_rotation = s_settings->documentView().rotation();
|
|
|
|
if(s_settings->documentView().invertColors())
|
|
{
|
|
m_renderFlags |= InvertColors;
|
|
}
|
|
|
|
if(s_settings->documentView().convertToGrayscale())
|
|
{
|
|
m_renderFlags |= ConvertToGrayscale;
|
|
}
|
|
|
|
if(s_settings->documentView().trimMargins())
|
|
{
|
|
m_renderFlags |= TrimMargins;
|
|
}
|
|
|
|
switch(s_settings->documentView().compositionMode())
|
|
{
|
|
default:
|
|
case DefaultCompositionMode:
|
|
break;
|
|
case DarkenWithPaperColorMode:
|
|
m_renderFlags |= DarkenWithPaperColor;
|
|
break;
|
|
case LightenWithPaperColorMode:
|
|
m_renderFlags |= LightenWithPaperColor;
|
|
break;
|
|
}
|
|
|
|
m_highlightAll = s_settings->documentView().highlightAll();
|
|
}
|
|
|
|
DocumentView::~DocumentView()
|
|
{
|
|
m_searchTask->cancel();
|
|
m_searchTask->wait();
|
|
|
|
s_searchModel->clearResults(this);
|
|
|
|
qDeleteAll(m_pageItems);
|
|
qDeleteAll(m_thumbnailItems);
|
|
|
|
qDeleteAll(m_pages);
|
|
delete m_document;
|
|
}
|
|
|
|
void DocumentView::setFirstPage(int firstPage)
|
|
{
|
|
if(m_firstPage != firstPage)
|
|
{
|
|
m_firstPage = firstPage;
|
|
|
|
for(int index = 0; index < m_thumbnailItems.count(); ++index)
|
|
{
|
|
m_thumbnailItems.at(index)->setText(pageLabelFromNumber(index + 1));
|
|
}
|
|
|
|
prepareThumbnailsScene();
|
|
|
|
emit numberOfPagesChanged(m_pages.count());
|
|
emit currentPageChanged(m_currentPage);
|
|
}
|
|
}
|
|
|
|
QString DocumentView::defaultPageLabelFromNumber(int number) const
|
|
{
|
|
QLocale modifiedLocale = locale();
|
|
|
|
modifiedLocale.setNumberOptions(modifiedLocale.numberOptions() | QLocale::OmitGroupSeparator);
|
|
|
|
return modifiedLocale.toString(number);
|
|
}
|
|
|
|
QString DocumentView::pageLabelFromNumber(int number) const
|
|
{
|
|
QString label;
|
|
|
|
if(hasFrontMatter())
|
|
{
|
|
if(number < m_firstPage)
|
|
{
|
|
label = number < 4000 ? intToRoman(number) : defaultPageLabelFromNumber(-number);
|
|
}
|
|
else
|
|
{
|
|
label = defaultPageLabelFromNumber(number - m_firstPage + 1);
|
|
}
|
|
}
|
|
else if(number >= 1 && number <= m_pages.count())
|
|
{
|
|
const QString& pageLabel = m_pages.at(number - 1)->label();
|
|
|
|
if(number != pageLabel.toInt())
|
|
{
|
|
label = pageLabel;
|
|
}
|
|
}
|
|
|
|
if(label.isEmpty())
|
|
{
|
|
label = defaultPageLabelFromNumber(number);
|
|
}
|
|
|
|
return label;
|
|
}
|
|
|
|
int DocumentView::pageNumberFromLabel(const QString& label) const
|
|
{
|
|
if(hasFrontMatter())
|
|
{
|
|
bool ok = false;
|
|
int value = locale().toInt(label, &ok);
|
|
|
|
if(ok)
|
|
{
|
|
if(value < 0)
|
|
{
|
|
value = -value; // front matter
|
|
}
|
|
else
|
|
{
|
|
value = value + m_firstPage - 1; // body matter
|
|
}
|
|
}
|
|
else
|
|
{
|
|
value = romanToInt(label);
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
for(int index = 0; index < m_pages.count(); ++index)
|
|
{
|
|
if(m_pages.at(index)->label() == label)
|
|
{
|
|
return index + 1;
|
|
}
|
|
}
|
|
|
|
return locale().toInt(label);
|
|
}
|
|
|
|
QString DocumentView::title() const
|
|
{
|
|
QString title;
|
|
|
|
if(s_settings->mainWindow().documentTitleAsTabTitle())
|
|
{
|
|
for(int row = 0, rowCount = m_propertiesModel->rowCount(); row < rowCount; ++row)
|
|
{
|
|
const QString key = m_propertiesModel->index(row, 0).data().toString();
|
|
const QString value = m_propertiesModel->index(row, 1).data().toString();
|
|
|
|
if(QLatin1String("Title") == key)
|
|
{
|
|
title = value;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(title.isEmpty())
|
|
{
|
|
title = m_fileInfo.completeBaseName();
|
|
}
|
|
|
|
return title;
|
|
}
|
|
|
|
QStringList DocumentView::openFilter()
|
|
{
|
|
return PluginHandler::openFilter();
|
|
}
|
|
|
|
QStringList DocumentView::saveFilter() const
|
|
{
|
|
return m_document->saveFilter();
|
|
}
|
|
|
|
bool DocumentView::canSave() const
|
|
{
|
|
return m_document->canSave();
|
|
}
|
|
|
|
void DocumentView::setContinuousMode(bool continuousMode)
|
|
{
|
|
if(m_continuousMode != continuousMode)
|
|
{
|
|
m_continuousMode = continuousMode;
|
|
|
|
qreal left = 0.0, top = 0.0;
|
|
saveLeftAndTop(left, top);
|
|
|
|
adjustScrollBarPolicy();
|
|
|
|
prepareView(left, top);
|
|
|
|
emit continuousModeChanged(m_continuousMode);
|
|
|
|
s_settings->documentView().setContinuousMode(m_continuousMode);
|
|
}
|
|
}
|
|
|
|
LayoutMode DocumentView::layoutMode() const
|
|
{
|
|
return m_layout->layoutMode();
|
|
}
|
|
|
|
void DocumentView::setLayoutMode(LayoutMode layoutMode)
|
|
{
|
|
if(m_layout->layoutMode() != layoutMode && layoutMode >= 0 && layoutMode < NumberOfLayoutModes)
|
|
{
|
|
m_layout.reset(DocumentLayout::fromLayoutMode(layoutMode));
|
|
|
|
if(m_currentPage != m_layout->currentPage(m_currentPage))
|
|
{
|
|
m_currentPage = m_layout->currentPage(m_currentPage);
|
|
|
|
emit currentPageChanged(m_currentPage);
|
|
}
|
|
|
|
prepareScene();
|
|
prepareView();
|
|
|
|
emit layoutModeChanged(layoutMode);
|
|
|
|
s_settings->documentView().setLayoutMode(layoutMode);
|
|
}
|
|
}
|
|
|
|
void DocumentView::setRightToLeftMode(bool rightToLeftMode)
|
|
{
|
|
if(m_rightToLeftMode != rightToLeftMode)
|
|
{
|
|
m_rightToLeftMode = rightToLeftMode;
|
|
|
|
prepareScene();
|
|
prepareView();
|
|
|
|
emit rightToLeftModeChanged(m_rightToLeftMode);
|
|
|
|
s_settings->documentView().setRightToLeftMode(m_rightToLeftMode);
|
|
}
|
|
}
|
|
|
|
void DocumentView::setScaleMode(ScaleMode scaleMode)
|
|
{
|
|
if(m_scaleMode != scaleMode && scaleMode >= 0 && scaleMode < NumberOfScaleModes)
|
|
{
|
|
m_scaleMode = scaleMode;
|
|
|
|
qreal left = 0.0, top = 0.0;
|
|
saveLeftAndTop(left, top);
|
|
|
|
adjustScrollBarPolicy();
|
|
|
|
prepareScene();
|
|
prepareView(left, top);
|
|
|
|
emit scaleModeChanged(m_scaleMode);
|
|
|
|
s_settings->documentView().setScaleMode(m_scaleMode);
|
|
}
|
|
}
|
|
|
|
void DocumentView::setScaleFactor(qreal scaleFactor)
|
|
{
|
|
if(!qFuzzyCompare(m_scaleFactor, scaleFactor)
|
|
&& scaleFactor >= s_settings->documentView().minimumScaleFactor()
|
|
&& scaleFactor <= s_settings->documentView().maximumScaleFactor())
|
|
{
|
|
m_scaleFactor = scaleFactor;
|
|
|
|
if(m_scaleMode == ScaleFactorMode)
|
|
{
|
|
qreal left = 0.0, top = 0.0;
|
|
saveLeftAndTop(left, top);
|
|
|
|
prepareScene();
|
|
prepareView(left, top);
|
|
}
|
|
|
|
emit scaleFactorChanged(m_scaleFactor);
|
|
|
|
s_settings->documentView().setScaleFactor(m_scaleFactor);
|
|
}
|
|
}
|
|
|
|
void DocumentView::setRotation(Rotation rotation)
|
|
{
|
|
if(m_rotation != rotation && rotation >= 0 && rotation < NumberOfRotations)
|
|
{
|
|
m_rotation = rotation;
|
|
|
|
prepareScene();
|
|
prepareView();
|
|
|
|
emit rotationChanged(m_rotation);
|
|
|
|
s_settings->documentView().setRotation(m_rotation);
|
|
}
|
|
}
|
|
|
|
void DocumentView::setRenderFlags(qpdfview::RenderFlags renderFlags)
|
|
{
|
|
if(m_renderFlags != renderFlags)
|
|
{
|
|
const qpdfview::RenderFlags changedFlags = m_renderFlags ^ renderFlags;
|
|
|
|
m_renderFlags = renderFlags;
|
|
|
|
qreal left = 0.0, top = 0.0;
|
|
saveLeftAndTop(left, top);
|
|
|
|
prepareScene();
|
|
prepareView(left, top);
|
|
|
|
prepareThumbnailsScene();
|
|
|
|
if(changedFlags.testFlag(InvertColors))
|
|
{
|
|
prepareBackground();
|
|
|
|
emit invertColorsChanged(invertColors());
|
|
|
|
s_settings->documentView().setInvertColors(invertColors());
|
|
}
|
|
|
|
if(changedFlags.testFlag(ConvertToGrayscale))
|
|
{
|
|
emit convertToGrayscaleChanged(convertToGrayscale());
|
|
|
|
s_settings->documentView().setConvertToGrayscale(convertToGrayscale());
|
|
}
|
|
|
|
if(changedFlags.testFlag(TrimMargins))
|
|
{
|
|
emit trimMarginsChanged(trimMargins());
|
|
|
|
s_settings->documentView().setTrimMargins(trimMargins());
|
|
}
|
|
|
|
if(changedFlags.testFlag(DarkenWithPaperColor) || changedFlags.testFlag(LightenWithPaperColor))
|
|
{
|
|
emit compositionModeChanged(compositionMode());
|
|
|
|
s_settings->documentView().setCompositionMode(compositionMode());
|
|
}
|
|
|
|
emit renderFlagsChanged(m_renderFlags);
|
|
}
|
|
}
|
|
|
|
void DocumentView::setRenderFlag(qpdfview::RenderFlag renderFlag, bool enabled)
|
|
{
|
|
if(enabled)
|
|
{
|
|
setRenderFlags(m_renderFlags | renderFlag);
|
|
}
|
|
else
|
|
{
|
|
setRenderFlags(m_renderFlags & ~renderFlag);
|
|
}
|
|
}
|
|
|
|
CompositionMode DocumentView::compositionMode() const
|
|
{
|
|
if(m_renderFlags.testFlag(DarkenWithPaperColor))
|
|
{
|
|
return DarkenWithPaperColorMode;
|
|
}
|
|
else if(m_renderFlags.testFlag(LightenWithPaperColor))
|
|
{
|
|
return LightenWithPaperColorMode;
|
|
}
|
|
else
|
|
{
|
|
return DefaultCompositionMode;
|
|
}
|
|
}
|
|
|
|
void DocumentView::setCompositionMode(CompositionMode compositionMode)
|
|
{
|
|
switch(compositionMode)
|
|
{
|
|
default:
|
|
case DefaultCompositionMode:
|
|
setRenderFlags((renderFlags() & ~DarkenWithPaperColor) & ~LightenWithPaperColor);
|
|
break;
|
|
case DarkenWithPaperColorMode:
|
|
setRenderFlags((renderFlags() | DarkenWithPaperColor) & ~LightenWithPaperColor);
|
|
break;
|
|
case LightenWithPaperColorMode:
|
|
setRenderFlags((renderFlags() & ~DarkenWithPaperColor) | LightenWithPaperColor);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void DocumentView::setHighlightAll(bool highlightAll)
|
|
{
|
|
if(m_highlightAll != highlightAll)
|
|
{
|
|
m_highlightAll = highlightAll;
|
|
|
|
if(m_highlightAll)
|
|
{
|
|
for(int index = 0; index < m_pages.count(); ++index)
|
|
{
|
|
const QList< QRectF >& results = s_searchModel->resultsOnPage(this, index + 1);
|
|
|
|
m_pageItems.at(index)->setHighlights(results);
|
|
m_thumbnailItems.at(index)->setHighlights(results);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(int index = 0; index < m_pages.count(); ++index)
|
|
{
|
|
m_pageItems.at(index)->setHighlights(QList< QRectF >());
|
|
m_thumbnailItems.at(index)->setHighlights(QList< QRectF >());
|
|
}
|
|
}
|
|
|
|
emit highlightAllChanged(m_highlightAll);
|
|
|
|
s_settings->documentView().setHighlightAll(highlightAll);
|
|
}
|
|
}
|
|
|
|
void DocumentView::setRubberBandMode(RubberBandMode rubberBandMode)
|
|
{
|
|
if(m_rubberBandMode != rubberBandMode && rubberBandMode >= 0 && rubberBandMode < NumberOfRubberBandModes)
|
|
{
|
|
m_rubberBandMode = rubberBandMode;
|
|
|
|
foreach(PageItem* page, m_pageItems)
|
|
{
|
|
page->setRubberBandMode(m_rubberBandMode);
|
|
}
|
|
|
|
emit rubberBandModeChanged(m_rubberBandMode);
|
|
}
|
|
}
|
|
|
|
void DocumentView::setThumbnailsViewportSize(QSize thumbnailsViewportSize)
|
|
{
|
|
if(m_thumbnailsViewportSize != thumbnailsViewportSize)
|
|
{
|
|
m_thumbnailsViewportSize = thumbnailsViewportSize;
|
|
|
|
prepareThumbnailsScene();
|
|
}
|
|
}
|
|
|
|
void DocumentView::setThumbnailsOrientation(Qt::Orientation thumbnailsOrientation)
|
|
{
|
|
if(m_thumbnailsOrientation != thumbnailsOrientation)
|
|
{
|
|
m_thumbnailsOrientation = thumbnailsOrientation;
|
|
|
|
prepareThumbnailsScene();
|
|
}
|
|
}
|
|
|
|
QSet< QByteArray > DocumentView::saveExpandedPaths() const
|
|
{
|
|
QSet< QByteArray > expandedPaths;
|
|
|
|
::saveExpandedPaths(m_outlineModel.data(), expandedPaths);
|
|
|
|
return expandedPaths;
|
|
}
|
|
|
|
void DocumentView::restoreExpandedPaths(const QSet< QByteArray >& expandedPaths)
|
|
{
|
|
::restoreExpandedPaths(m_outlineModel.data(), expandedPaths);
|
|
}
|
|
|
|
QAbstractItemModel* DocumentView::fontsModel() const
|
|
{
|
|
return m_document->fonts();
|
|
}
|
|
|
|
bool DocumentView::searchWasCanceled() const
|
|
{
|
|
return m_searchTask->wasCanceled();
|
|
}
|
|
|
|
int DocumentView::searchProgress() const
|
|
{
|
|
return m_searchTask->progress();
|
|
}
|
|
|
|
QString DocumentView::searchText() const
|
|
{
|
|
return m_searchTask->text();
|
|
}
|
|
|
|
bool DocumentView::searchMatchCase() const
|
|
{
|
|
return m_searchTask->matchCase();
|
|
}
|
|
|
|
bool DocumentView::searchWholeWords() const
|
|
{
|
|
return m_searchTask->wholeWords();
|
|
}
|
|
|
|
QPair< QString, QString > DocumentView::searchContext(int page, const QRectF& rect) const
|
|
{
|
|
if(page < 1 || page > m_pages.size() || rect.isEmpty())
|
|
{
|
|
return qMakePair(QString(), QString());
|
|
}
|
|
|
|
// Fetch at most half of a line as centered on the given rectangle as possible.
|
|
const qreal pageWidth = m_pages.at(page - 1)->size().width();
|
|
const qreal width = qMax(rect.width(), pageWidth / qreal(2));
|
|
const qreal x = qBound(qreal(0), rect.x() + rect.width() / qreal(2) - width / qreal(2), pageWidth - width);
|
|
|
|
const QRectF surroundingRect(x, rect.top(), width, rect.height());
|
|
|
|
const QString& matchedText = m_pages.at(page - 1)->cachedText(rect);
|
|
const QString& surroundingText = m_pages.at(page - 1)->cachedText(surroundingRect);
|
|
|
|
return qMakePair(matchedText, surroundingText);
|
|
}
|
|
|
|
bool DocumentView::hasSearchResults()
|
|
{
|
|
return s_searchModel->hasResults(this);
|
|
}
|
|
|
|
QString DocumentView::resolveFileName(QString fileName) const
|
|
{
|
|
if(QFileInfo(fileName).isRelative())
|
|
{
|
|
fileName = m_fileInfo.dir().filePath(fileName);
|
|
}
|
|
|
|
return fileName;
|
|
}
|
|
|
|
QUrl DocumentView::resolveUrl(QUrl url) const
|
|
{
|
|
const QString path = url.path();
|
|
|
|
if(url.isRelative() && QFileInfo(path).isRelative())
|
|
{
|
|
url.setPath(m_fileInfo.dir().filePath(path));
|
|
}
|
|
|
|
return url;
|
|
}
|
|
|
|
DocumentView::SourceLink DocumentView::sourceLink(QPoint pos)
|
|
{
|
|
SourceLink sourceLink;
|
|
|
|
#ifdef WITH_SYNCTEX
|
|
|
|
if(const PageItem* page = dynamic_cast< PageItem* >(itemAt(pos)))
|
|
{
|
|
const int sourcePage = page->index() + 1;
|
|
const QPointF sourcePos = page->sourcePos(page->mapFromScene(mapToScene(pos)));
|
|
|
|
sourceLink = scanForSourceLink(m_fileInfo.absoluteFilePath(), sourcePage, sourcePos);
|
|
}
|
|
|
|
#else
|
|
|
|
Q_UNUSED(pos);
|
|
|
|
#endif // WITH_SYNCTEX
|
|
|
|
return sourceLink;
|
|
}
|
|
|
|
void DocumentView::openInSourceEditor(const DocumentView::SourceLink& sourceLink)
|
|
{
|
|
if(!s_settings->documentView().sourceEditor().isEmpty())
|
|
{
|
|
const QString absoluteFilePath = m_fileInfo.dir().absoluteFilePath(sourceLink.name);
|
|
const QString sourceEditorCommand = s_settings->documentView().sourceEditor().arg(absoluteFilePath, QString::number(sourceLink.line), QString::number(sourceLink.column));
|
|
|
|
QProcess::startDetached(sourceEditorCommand);
|
|
}
|
|
else
|
|
{
|
|
QMessageBox::information(this, tr("Information"), tr("The source editor has not been set."));
|
|
}
|
|
}
|
|
|
|
void DocumentView::show()
|
|
{
|
|
QGraphicsView::show();
|
|
|
|
prepareView();
|
|
}
|
|
|
|
bool DocumentView::open(const QString& filePath)
|
|
{
|
|
Model::Document* document = PluginHandler::instance()->loadDocument(filePath);
|
|
|
|
if(document != 0)
|
|
{
|
|
QVector< Model::Page* > pages;
|
|
|
|
if(!checkDocument(filePath, document, pages))
|
|
{
|
|
delete document;
|
|
qDeleteAll(pages);
|
|
|
|
return false;
|
|
}
|
|
|
|
m_fileInfo.setFile(filePath);
|
|
m_wasModified = false;
|
|
|
|
m_currentPage = 1;
|
|
|
|
m_past.clear();
|
|
m_future.clear();
|
|
|
|
prepareDocument(document, pages);
|
|
|
|
loadDocumentDefaults();
|
|
|
|
adjustScrollBarPolicy();
|
|
|
|
prepareScene();
|
|
prepareView();
|
|
|
|
prepareThumbnailsScene();
|
|
|
|
emit documentChanged();
|
|
|
|
emit numberOfPagesChanged(m_pages.count());
|
|
emit currentPageChanged(m_currentPage);
|
|
|
|
emit canJumpChanged(false, false);
|
|
|
|
emit continuousModeChanged(m_continuousMode);
|
|
emit layoutModeChanged(m_layout->layoutMode());
|
|
emit rightToLeftModeChanged(m_rightToLeftMode);
|
|
}
|
|
|
|
return document != 0;
|
|
}
|
|
|
|
bool DocumentView::refresh()
|
|
{
|
|
Model::Document* document = PluginHandler::instance()->loadDocument(m_fileInfo.filePath());
|
|
|
|
if(document != 0)
|
|
{
|
|
QVector< Model::Page* > pages;
|
|
|
|
if(!checkDocument(m_fileInfo.filePath(), document, pages))
|
|
{
|
|
delete document;
|
|
qDeleteAll(pages);
|
|
|
|
return false;
|
|
}
|
|
|
|
qreal left = 0.0, top = 0.0;
|
|
saveLeftAndTop(left, top);
|
|
|
|
m_wasModified = false;
|
|
|
|
m_currentPage = qMin(m_currentPage, document->numberOfPages());
|
|
|
|
QSet< QByteArray > expandedPaths;
|
|
::saveExpandedPaths(m_outlineModel.data(), expandedPaths);
|
|
|
|
prepareDocument(document, pages);
|
|
|
|
::restoreExpandedPaths(m_outlineModel.data(), expandedPaths);
|
|
|
|
prepareScene();
|
|
prepareView(left, top);
|
|
|
|
prepareThumbnailsScene();
|
|
|
|
emit documentChanged();
|
|
|
|
emit numberOfPagesChanged(m_pages.count());
|
|
emit currentPageChanged(m_currentPage);
|
|
}
|
|
|
|
return document != 0;
|
|
}
|
|
|
|
bool DocumentView::save(const QString& filePath, bool withChanges)
|
|
{
|
|
// Save document to temporary file...
|
|
QTemporaryFile temporaryFile;
|
|
|
|
adjustFileTemplateSuffix(temporaryFile, QFileInfo(filePath).suffix());
|
|
|
|
if(!temporaryFile.open())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
temporaryFile.close();
|
|
|
|
if(!m_document->save(temporaryFile.fileName(), withChanges))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Copy from temporary file to actual file...
|
|
QFile file(filePath);
|
|
|
|
if(!temporaryFile.open())
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(!file.open(QIODevice::WriteOnly | QIODevice::Truncate))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(!copyFile(temporaryFile, file))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if(withChanges)
|
|
{
|
|
m_wasModified = false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool DocumentView::print(QPrinter* printer, const PrintOptions& printOptions)
|
|
{
|
|
const int fromPage = printer->fromPage() != 0 ? printer->fromPage() : 1;
|
|
const int toPage = printer->toPage() != 0 ? printer->toPage() : m_pages.count();
|
|
|
|
#ifdef WITH_CUPS
|
|
|
|
if(m_document->canBePrintedUsingCUPS())
|
|
{
|
|
return printUsingCUPS(printer, printOptions, fromPage, toPage);
|
|
}
|
|
|
|
#endif // WITH_CUPS
|
|
|
|
return printUsingQt(printer, printOptions, fromPage, toPage);
|
|
}
|
|
|
|
void DocumentView::previousPage()
|
|
{
|
|
jumpToPage(m_layout->previousPage(m_currentPage));
|
|
}
|
|
|
|
void DocumentView::nextPage()
|
|
{
|
|
jumpToPage(m_layout->nextPage(m_currentPage, m_pages.count()));
|
|
}
|
|
|
|
void DocumentView::firstPage()
|
|
{
|
|
jumpToPage(1);
|
|
}
|
|
|
|
void DocumentView::lastPage()
|
|
{
|
|
jumpToPage(m_pages.count());
|
|
}
|
|
|
|
void DocumentView::jumpToPage(int page, bool trackChange, qreal newLeft, qreal newTop)
|
|
{
|
|
if(page >= 1 && page <= m_pages.count())
|
|
{
|
|
qreal left = 0.0, top = 0.0;
|
|
saveLeftAndTop(left, top);
|
|
|
|
if(qIsNaN(newLeft))
|
|
{
|
|
newLeft = qBound(qreal(0.0), left, qreal(1.0));
|
|
}
|
|
|
|
if(qIsNaN(newTop))
|
|
{
|
|
newTop = qBound(qreal(0.0), top, qreal(1.0));
|
|
}
|
|
|
|
if(m_currentPage != m_layout->currentPage(page) || qAbs(left - newLeft) > 0.01 || qAbs(top - newTop) > 0.01)
|
|
{
|
|
if(trackChange)
|
|
{
|
|
m_past.append(Position(m_currentPage, left, top));
|
|
m_future.clear();
|
|
|
|
emit canJumpChanged(true, false);
|
|
}
|
|
|
|
m_currentPage = m_layout->currentPage(page);
|
|
|
|
prepareView(newLeft, newTop, false, page);
|
|
|
|
emit currentPageChanged(m_currentPage, trackChange);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool DocumentView::canJumpBackward() const
|
|
{
|
|
return !m_past.isEmpty();
|
|
}
|
|
|
|
void DocumentView::jumpBackward()
|
|
{
|
|
if(!m_past.isEmpty())
|
|
{
|
|
qreal left = 0.0, top = 0.0;
|
|
saveLeftAndTop(left, top);
|
|
|
|
m_future.prepend(Position(m_currentPage, left, top));
|
|
|
|
const Position pos = m_past.takeLast();
|
|
jumpToPage(pos.page, false, pos.left, pos.top);
|
|
|
|
emit canJumpChanged(!m_past.isEmpty(), !m_future.isEmpty());
|
|
}
|
|
}
|
|
|
|
bool DocumentView::canJumpForward() const
|
|
{
|
|
return !m_future.isEmpty();
|
|
}
|
|
|
|
void DocumentView::jumpForward()
|
|
{
|
|
if(!m_future.isEmpty())
|
|
{
|
|
qreal left = 0.0, top = 0.0;
|
|
saveLeftAndTop(left, top);
|
|
|
|
m_past.append(Position(m_currentPage, left, top));
|
|
|
|
const Position pos = m_future.takeFirst();
|
|
jumpToPage(pos.page, false, pos.left, pos.top);
|
|
|
|
emit canJumpChanged(!m_past.isEmpty(), !m_future.isEmpty());
|
|
}
|
|
}
|
|
|
|
void DocumentView::temporaryHighlight(int page, const QRectF& highlight)
|
|
{
|
|
if(page >= 1 && page <= m_pages.count() && !highlight.isNull())
|
|
{
|
|
prepareHighlight(page - 1, highlight);
|
|
|
|
QTimer::singleShot(s_settings->documentView().highlightDuration(), this, SLOT(on_temporaryHighlight_timeout()));
|
|
}
|
|
}
|
|
|
|
void DocumentView::startSearch(const QString& text, bool matchCase, bool wholeWords)
|
|
{
|
|
cancelSearch();
|
|
clearResults();
|
|
|
|
m_searchTask->start(m_pages, text, matchCase, wholeWords, m_currentPage, s_settings->documentView().parallelSearchExecution());
|
|
}
|
|
|
|
void DocumentView::cancelSearch()
|
|
{
|
|
m_searchTask->cancel();
|
|
m_searchTask->wait();
|
|
}
|
|
|
|
void DocumentView::clearResults()
|
|
{
|
|
s_searchModel->clearResults(this);
|
|
|
|
m_currentResult = QModelIndex();
|
|
|
|
m_highlight->setVisible(false);
|
|
|
|
foreach(PageItem* page, m_pageItems)
|
|
{
|
|
page->setHighlights(QList< QRectF >());
|
|
}
|
|
|
|
foreach(ThumbnailItem* page, m_thumbnailItems)
|
|
{
|
|
page->setHighlights(QList< QRectF >());
|
|
}
|
|
|
|
if(s_settings->documentView().limitThumbnailsToResults())
|
|
{
|
|
prepareThumbnailsScene();
|
|
}
|
|
}
|
|
|
|
void DocumentView::findPrevious()
|
|
{
|
|
checkResult();
|
|
|
|
m_currentResult = s_searchModel->findResult(this, m_currentResult, m_currentPage, SearchModel::FindPrevious);
|
|
|
|
applyResult();
|
|
}
|
|
|
|
void DocumentView::findNext()
|
|
{
|
|
checkResult();
|
|
|
|
m_currentResult = s_searchModel->findResult(this, m_currentResult, m_currentPage, SearchModel::FindNext);
|
|
|
|
applyResult();
|
|
}
|
|
|
|
void DocumentView::findResult(const QModelIndex& index)
|
|
{
|
|
const int page = pageOfResult(index);
|
|
const QRectF rect = rectOfResult(index);
|
|
|
|
if(page >= 1 && page <= m_pages.count() && !rect.isEmpty())
|
|
{
|
|
m_currentResult = index;
|
|
|
|
applyResult();
|
|
}
|
|
}
|
|
|
|
void DocumentView::zoomIn()
|
|
{
|
|
if(scaleMode() != ScaleFactorMode)
|
|
{
|
|
const qreal currentScaleFactor = m_pageItems.at(m_currentPage - 1)->renderParam().scaleFactor();
|
|
|
|
setScaleFactor(qMin(currentScaleFactor * s_settings->documentView().zoomFactor(),
|
|
s_settings->documentView().maximumScaleFactor()));
|
|
|
|
setScaleMode(ScaleFactorMode);
|
|
}
|
|
else
|
|
{
|
|
setScaleFactor(qMin(m_scaleFactor * s_settings->documentView().zoomFactor(),
|
|
s_settings->documentView().maximumScaleFactor()));
|
|
}
|
|
}
|
|
|
|
void DocumentView::zoomOut()
|
|
{
|
|
if(scaleMode() != ScaleFactorMode)
|
|
{
|
|
const qreal currentScaleFactor = m_pageItems.at(m_currentPage - 1)->renderParam().scaleFactor();
|
|
|
|
setScaleFactor(qMax(currentScaleFactor / s_settings->documentView().zoomFactor(),
|
|
s_settings->documentView().minimumScaleFactor()));
|
|
|
|
setScaleMode(ScaleFactorMode);
|
|
}
|
|
else
|
|
{
|
|
setScaleFactor(qMax(m_scaleFactor / s_settings->documentView().zoomFactor(),
|
|
s_settings->documentView().minimumScaleFactor()));
|
|
}
|
|
}
|
|
|
|
void DocumentView::originalSize()
|
|
{
|
|
setScaleFactor(1.0);
|
|
setScaleMode(ScaleFactorMode);
|
|
}
|
|
|
|
void DocumentView::rotateLeft()
|
|
{
|
|
switch(m_rotation)
|
|
{
|
|
default:
|
|
case RotateBy0:
|
|
setRotation(RotateBy270);
|
|
break;
|
|
case RotateBy90:
|
|
setRotation(RotateBy0);
|
|
break;
|
|
case RotateBy180:
|
|
setRotation(RotateBy90);
|
|
break;
|
|
case RotateBy270:
|
|
setRotation(RotateBy180);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void DocumentView::rotateRight()
|
|
{
|
|
switch(m_rotation)
|
|
{
|
|
default:
|
|
case RotateBy0:
|
|
setRotation(RotateBy90);
|
|
break;
|
|
case RotateBy90:
|
|
setRotation(RotateBy180);
|
|
break;
|
|
case RotateBy180:
|
|
setRotation(RotateBy270);
|
|
break;
|
|
case RotateBy270:
|
|
setRotation(RotateBy0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void DocumentView::startPresentation()
|
|
{
|
|
const int screen = s_settings->presentationView().screen();
|
|
|
|
PresentationView* presentationView = new PresentationView(m_pages);
|
|
|
|
presentationView->setGeometry(QApplication::desktop()->screenGeometry(screen));
|
|
|
|
presentationView->show();
|
|
presentationView->setAttribute(Qt::WA_DeleteOnClose);
|
|
|
|
connect(this, SIGNAL(destroyed()), presentationView, SLOT(close()));
|
|
connect(this, SIGNAL(documentChanged()), presentationView, SLOT(close()));
|
|
|
|
presentationView->setRotation(rotation());
|
|
presentationView->setRenderFlags(renderFlags());
|
|
|
|
presentationView->jumpToPage(currentPage(), false);
|
|
|
|
if(s_settings->presentationView().synchronize())
|
|
{
|
|
connect(this, SIGNAL(currentPageChanged(int,bool)), presentationView, SLOT(jumpToPage(int,bool)));
|
|
connect(presentationView, SIGNAL(currentPageChanged(int,bool)), this, SLOT(jumpToPage(int,bool)));
|
|
}
|
|
}
|
|
|
|
void DocumentView::on_verticalScrollBar_valueChanged()
|
|
{
|
|
if(m_verticalScrollBarChangedBlocked || !m_continuousMode)
|
|
{
|
|
return;
|
|
}
|
|
|
|
int currentPage = -1;
|
|
const QRectF visibleRect = mapToScene(viewport()->rect()).boundingRect();
|
|
|
|
for(int index = 0, count = m_pageItems.count(); index < count; ++index)
|
|
{
|
|
PageItem* page = m_pageItems.at((m_currentPage - 1 + index) % count);
|
|
|
|
const int pageNumber = page->index() + 1;
|
|
const QRectF pageRect = page->boundingRect().translated(page->pos());
|
|
|
|
if(!pageRect.intersects(visibleRect))
|
|
{
|
|
page->cancelRender();
|
|
}
|
|
else if(currentPage == -1 &&
|
|
m_layout->currentPage(pageNumber) == pageNumber &&
|
|
m_layout->isCurrentPage(visibleRect, pageRect))
|
|
{
|
|
currentPage = pageNumber;
|
|
}
|
|
}
|
|
|
|
if(currentPage != -1 && m_currentPage != currentPage)
|
|
{
|
|
m_currentPage = currentPage;
|
|
|
|
emit currentPageChanged(m_currentPage);
|
|
|
|
if(s_settings->documentView().highlightCurrentThumbnail())
|
|
{
|
|
for(int index = 0; index < m_thumbnailItems.count(); ++index)
|
|
{
|
|
m_thumbnailItems.at(index)->setHighlighted(index == m_currentPage - 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void DocumentView::on_autoRefresh_timeout()
|
|
{
|
|
if(m_fileInfo.exists())
|
|
{
|
|
refresh();
|
|
}
|
|
else
|
|
{
|
|
m_wasModified = true;
|
|
|
|
emit documentModified();
|
|
}
|
|
}
|
|
|
|
void DocumentView::on_prefetch_timeout()
|
|
{
|
|
const QPair< int, int > prefetchRange = m_layout->prefetchRange(m_currentPage, m_pages.count());
|
|
|
|
const int maxCost = prefetchRange.second - prefetchRange.first + 1;
|
|
int cost = 0;
|
|
|
|
for(int index = m_currentPage - 1; index <= prefetchRange.second - 1; ++index)
|
|
{
|
|
cost += m_pageItems.at(index)->startRender(true);
|
|
|
|
if(cost >= maxCost)
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
|
|
for(int index = m_currentPage - 1; index >= prefetchRange.first - 1; --index)
|
|
{
|
|
cost += m_pageItems.at(index)->startRender(true);
|
|
|
|
if(cost >= maxCost)
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DocumentView::on_temporaryHighlight_timeout()
|
|
{
|
|
m_highlight->setVisible(false);
|
|
}
|
|
|
|
void DocumentView::on_searchTask_progressChanged(int progress)
|
|
{
|
|
s_searchModel->updateProgress(this);
|
|
|
|
emit searchProgressChanged(progress);
|
|
}
|
|
|
|
void DocumentView::on_searchTask_resultsReady(int index, const QList< QRectF >& results)
|
|
{
|
|
if(m_searchTask->wasCanceled())
|
|
{
|
|
return;
|
|
}
|
|
|
|
s_searchModel->insertResults(this, index + 1, results);
|
|
|
|
if(m_highlightAll)
|
|
{
|
|
m_pageItems.at(index)->setHighlights(results);
|
|
m_thumbnailItems.at(index)->setHighlights(results);
|
|
}
|
|
|
|
if(s_settings->documentView().limitThumbnailsToResults())
|
|
{
|
|
prepareThumbnailsScene();
|
|
}
|
|
|
|
if(!results.isEmpty() && !m_currentResult.isValid())
|
|
{
|
|
setFocus();
|
|
|
|
findNext();
|
|
}
|
|
}
|
|
|
|
void DocumentView::on_pages_cropRectChanged()
|
|
{
|
|
qreal left = 0.0, top = 0.0;
|
|
saveLeftAndTop(left, top);
|
|
|
|
prepareScene();
|
|
prepareView(left, top);
|
|
}
|
|
|
|
void DocumentView::on_thumbnails_cropRectChanged()
|
|
{
|
|
prepareThumbnailsScene();
|
|
}
|
|
|
|
void DocumentView::on_pages_linkClicked(bool newTab, int page, qreal left, qreal top)
|
|
{
|
|
if(newTab)
|
|
{
|
|
emit linkClicked(page);
|
|
}
|
|
else
|
|
{
|
|
jumpToPage(page, true, left, top);
|
|
}
|
|
}
|
|
|
|
void DocumentView::on_pages_linkClicked(bool newTab, const QString& fileName, int page)
|
|
{
|
|
emit linkClicked(newTab, resolveFileName(fileName), page);
|
|
}
|
|
|
|
void DocumentView::on_pages_linkClicked(const QString& url)
|
|
{
|
|
if(s_settings->documentView().openUrl())
|
|
{
|
|
QDesktopServices::openUrl(resolveUrl(url));
|
|
}
|
|
else
|
|
{
|
|
QMessageBox::information(this, tr("Information"), tr("Opening URL is disabled in the settings."));
|
|
}
|
|
}
|
|
|
|
void DocumentView::on_pages_rubberBandFinished()
|
|
{
|
|
setRubberBandMode(ModifiersMode);
|
|
}
|
|
|
|
void DocumentView::on_pages_zoomToSelection(int page, const QRectF& rect)
|
|
{
|
|
if(rect.isEmpty())
|
|
{
|
|
return;
|
|
}
|
|
|
|
const qreal visibleWidth = m_layout->visibleWidth(viewport()->width());
|
|
const qreal visibleHeight = m_layout->visibleHeight(viewport()->height());
|
|
|
|
const QSizeF displayedSize = m_pageItems.at(page - 1)->displayedSize();
|
|
|
|
setScaleFactor(qMin(qMin(visibleWidth / displayedSize.width() / rect.width(),
|
|
visibleHeight / displayedSize.height() / rect.height()),
|
|
Defaults::DocumentView::maximumScaleFactor()));
|
|
|
|
setScaleMode(ScaleFactorMode);
|
|
|
|
jumpToPage(page, false, rect.left(), rect.top());
|
|
}
|
|
|
|
void DocumentView::on_pages_openInSourceEditor(int page, QPointF pos)
|
|
{
|
|
#ifdef WITH_SYNCTEX
|
|
|
|
if(const DocumentView::SourceLink sourceLink = scanForSourceLink(m_fileInfo.absoluteFilePath(), page, pos))
|
|
{
|
|
openInSourceEditor(sourceLink);
|
|
}
|
|
else
|
|
{
|
|
QMessageBox::warning(this, tr("Warning"), tr("SyncTeX data for '%1' could not be found.").arg(m_fileInfo.absoluteFilePath()));
|
|
}
|
|
|
|
#else
|
|
|
|
Q_UNUSED(page);
|
|
Q_UNUSED(pos);
|
|
|
|
#endif // WITH_SYNCTEX
|
|
}
|
|
|
|
void DocumentView::on_pages_wasModified()
|
|
{
|
|
m_wasModified = true;
|
|
|
|
emit documentModified();
|
|
}
|
|
|
|
void DocumentView::resizeEvent(QResizeEvent* event)
|
|
{
|
|
qreal left = 0.0, top = 0.0;
|
|
saveLeftAndTop(left, top);
|
|
|
|
QGraphicsView::resizeEvent(event);
|
|
|
|
if(m_scaleMode != ScaleFactorMode)
|
|
{
|
|
prepareScene();
|
|
prepareView(left, top);
|
|
}
|
|
}
|
|
|
|
void DocumentView::keyPressEvent(QKeyEvent* event)
|
|
{
|
|
foreach(const PageItem* page, m_pageItems)
|
|
{
|
|
if(page->showsAnnotationOverlay() || page->showsFormFieldOverlay())
|
|
{
|
|
QGraphicsView::keyPressEvent(event);
|
|
return;
|
|
}
|
|
}
|
|
|
|
const QKeySequence keySequence(event->modifiers() + event->key());
|
|
|
|
int maskedKey = -1;
|
|
bool maskedKeyActive = false;
|
|
|
|
switch(event->key())
|
|
{
|
|
case Qt::Key_PageUp:
|
|
case Qt::Key_PageDown:
|
|
case Qt::Key_Up:
|
|
case Qt::Key_Down:
|
|
case Qt::Key_Left:
|
|
case Qt::Key_Right:
|
|
maskedKeyActive = true;
|
|
break;
|
|
}
|
|
|
|
if(s_shortcutHandler->matchesSkipBackward(keySequence))
|
|
{
|
|
maskedKey = Qt::Key_PageUp;
|
|
}
|
|
else if(s_shortcutHandler->matchesSkipForward(keySequence))
|
|
{
|
|
maskedKey = Qt::Key_PageDown;
|
|
}
|
|
else if(s_shortcutHandler->matchesMoveUp(keySequence))
|
|
{
|
|
maskedKey = Qt::Key_Up;
|
|
}
|
|
else if(s_shortcutHandler->matchesMoveDown(keySequence))
|
|
{
|
|
maskedKey = Qt::Key_Down;
|
|
}
|
|
else if(s_shortcutHandler->matchesMoveLeft(keySequence))
|
|
{
|
|
maskedKey = Qt::Key_Left;
|
|
}
|
|
else if(s_shortcutHandler->matchesMoveRight(keySequence))
|
|
{
|
|
maskedKey = Qt::Key_Right;
|
|
}
|
|
else if(maskedKeyActive)
|
|
{
|
|
event->ignore();
|
|
return;
|
|
}
|
|
|
|
if(maskedKey == -1)
|
|
{
|
|
QGraphicsView::keyPressEvent(event);
|
|
}
|
|
else
|
|
{
|
|
if(!m_continuousMode)
|
|
{
|
|
if(maskedKey == Qt::Key_PageUp && verticalScrollBar()->value() == verticalScrollBar()->minimum() && m_currentPage != 1)
|
|
{
|
|
previousPage();
|
|
|
|
verticalScrollBar()->setValue(verticalScrollBar()->maximum());
|
|
|
|
event->accept();
|
|
return;
|
|
}
|
|
else if(maskedKey == Qt::Key_PageDown && verticalScrollBar()->value() == verticalScrollBar()->maximum() && m_currentPage != m_layout->currentPage(m_pages.count()))
|
|
{
|
|
nextPage();
|
|
|
|
verticalScrollBar()->setValue(verticalScrollBar()->minimum());
|
|
|
|
event->accept();
|
|
return;
|
|
}
|
|
}
|
|
|
|
if((maskedKey == Qt::Key_Up && verticalScrollBar()->minimum() == verticalScrollBar()->maximum()) ||
|
|
(maskedKey == Qt::Key_Left && !horizontalScrollBar()->isVisible()))
|
|
{
|
|
previousPage();
|
|
|
|
event->accept();
|
|
return;
|
|
}
|
|
else if((maskedKey == Qt::Key_Down && verticalScrollBar()->minimum() == verticalScrollBar()->maximum()) ||
|
|
(maskedKey == Qt::Key_Right && !horizontalScrollBar()->isVisible()))
|
|
{
|
|
nextPage();
|
|
|
|
event->accept();
|
|
return;
|
|
}
|
|
|
|
QKeyEvent keyEvent(event->type(), maskedKey, Qt::NoModifier, event->text(), event->isAutoRepeat(), event->count());
|
|
QGraphicsView::keyPressEvent(&keyEvent);
|
|
}
|
|
}
|
|
|
|
void DocumentView::mousePressEvent(QMouseEvent* event)
|
|
{
|
|
if(event->button() == Qt::XButton1)
|
|
{
|
|
event->accept();
|
|
|
|
jumpBackward();
|
|
}
|
|
else if(event->button() == Qt::XButton2)
|
|
{
|
|
event->accept();
|
|
|
|
jumpForward();
|
|
}
|
|
|
|
QGraphicsView::mousePressEvent(event);
|
|
}
|
|
|
|
void DocumentView::wheelEvent(QWheelEvent* event)
|
|
{
|
|
const bool noModifiersActive = event->modifiers() == Qt::NoModifier;
|
|
const bool zoomModifiersActive = modifiersAreActive(event, s_settings->documentView().zoomModifiers());
|
|
const bool rotateModifiersActive = modifiersAreActive(event, s_settings->documentView().rotateModifiers());
|
|
const bool scrollModifiersActive = modifiersAreActive(event, s_settings->documentView().scrollModifiers());
|
|
|
|
if(zoomModifiersActive)
|
|
{
|
|
if(event->delta() > 0)
|
|
{
|
|
zoomIn();
|
|
}
|
|
else
|
|
{
|
|
zoomOut();
|
|
}
|
|
|
|
event->accept();
|
|
return;
|
|
}
|
|
else if(rotateModifiersActive)
|
|
{
|
|
if(event->delta() > 0)
|
|
{
|
|
rotateLeft();
|
|
}
|
|
else
|
|
{
|
|
rotateRight();
|
|
}
|
|
|
|
event->accept();
|
|
return;
|
|
}
|
|
else if(scrollModifiersActive)
|
|
{
|
|
QWheelEvent wheelEvent(event->pos(), event->delta(), event->buttons(), Qt::AltModifier, Qt::Horizontal);
|
|
QGraphicsView::wheelEvent(&wheelEvent);
|
|
|
|
event->accept();
|
|
return;
|
|
}
|
|
else if(noModifiersActive && !m_continuousMode)
|
|
{
|
|
if(event->delta() > 0 && verticalScrollBar()->value() == verticalScrollBar()->minimum() && m_currentPage != 1)
|
|
{
|
|
previousPage();
|
|
|
|
verticalScrollBar()->setValue(verticalScrollBar()->maximum());
|
|
|
|
event->accept();
|
|
return;
|
|
}
|
|
else if(event->delta() < 0 && verticalScrollBar()->value() == verticalScrollBar()->maximum() && m_currentPage != m_layout->currentPage(m_pages.count()))
|
|
{
|
|
nextPage();
|
|
|
|
verticalScrollBar()->setValue(verticalScrollBar()->minimum());
|
|
|
|
event->accept();
|
|
return;
|
|
}
|
|
}
|
|
|
|
QGraphicsView::wheelEvent(event);
|
|
}
|
|
|
|
void DocumentView::contextMenuEvent(QContextMenuEvent* event)
|
|
{
|
|
if(event->reason() == QContextMenuEvent::Mouse && modifiersUseMouseButton(s_settings, Qt::RightButton))
|
|
{
|
|
event->accept();
|
|
return;
|
|
}
|
|
|
|
event->setAccepted(false);
|
|
|
|
QGraphicsView::contextMenuEvent(event);
|
|
|
|
if(!event->isAccepted())
|
|
{
|
|
event->setAccepted(true);
|
|
|
|
emit customContextMenuRequested(event->pos());
|
|
}
|
|
}
|
|
|
|
#ifdef WITH_CUPS
|
|
|
|
bool DocumentView::printUsingCUPS(QPrinter* printer, const PrintOptions& printOptions, int fromPage, int toPage)
|
|
{
|
|
int num_dests = 0;
|
|
cups_dest_t* dests = 0;
|
|
|
|
int num_options = 0;
|
|
cups_option_t* options = 0;
|
|
|
|
cups_dest_t* dest = 0;
|
|
int jobId = 0;
|
|
|
|
num_dests = cupsGetDests(&dests);
|
|
dest = cupsGetDest(printer->printerName().toUtf8(), 0, num_dests, dests);
|
|
|
|
if(dest == 0)
|
|
{
|
|
qWarning() << cupsLastErrorString();
|
|
|
|
cupsFreeDests(num_dests, dests);
|
|
|
|
return false;
|
|
}
|
|
|
|
for(int index = 0; index < dest->num_options; ++index)
|
|
{
|
|
num_options = cupsAddOption(dest->options[index].name, dest->options[index].value, num_options, &options);
|
|
}
|
|
|
|
const QStringList cupsOptions = printer->printEngine()->property(QPrintEngine::PrintEnginePropertyKey(0xfe00)).toStringList();
|
|
|
|
for(int index = 0; index < cupsOptions.count() - 1; index += 2)
|
|
{
|
|
num_options = cupsAddOption(cupsOptions.at(index).toUtf8(), cupsOptions.at(index + 1).toUtf8(), num_options, &options);
|
|
}
|
|
|
|
#if QT_VERSION >= QT_VERSION_CHECK(4,7,0)
|
|
|
|
num_options = cupsAddOption("copies", QString::number(printer->copyCount()).toUtf8(), num_options, &options);
|
|
|
|
#endif // QT_VERSION
|
|
|
|
num_options = cupsAddOption("Collate", printer->collateCopies() ? "true" : "false", num_options, &options);
|
|
|
|
switch(printer->pageOrder())
|
|
{
|
|
case QPrinter::FirstPageFirst:
|
|
num_options = cupsAddOption("outputorder", "normal", num_options, &options);
|
|
break;
|
|
case QPrinter::LastPageFirst:
|
|
num_options = cupsAddOption("outputorder", "reverse", num_options, &options);
|
|
break;
|
|
}
|
|
|
|
num_options = cupsAddOption("fit-to-page", printOptions.fitToPage ? "true" : "false", num_options, &options);
|
|
|
|
switch(printer->orientation())
|
|
{
|
|
case QPrinter::Portrait:
|
|
num_options = cupsAddOption("landscape", "false", num_options, &options);
|
|
break;
|
|
case QPrinter::Landscape:
|
|
num_options = cupsAddOption("landscape", "true", num_options, &options);
|
|
break;
|
|
}
|
|
|
|
switch(printer->colorMode())
|
|
{
|
|
case QPrinter::Color:
|
|
num_options = addCMYKorRGBColorModel(dest, num_options, &options);
|
|
num_options = cupsAddOption("Ink", "COLOR", num_options, &options);
|
|
break;
|
|
case QPrinter::GrayScale:
|
|
num_options = cupsAddOption("ColorModel", "Gray", num_options, &options);
|
|
num_options = cupsAddOption("Ink", "MONO", num_options, &options);
|
|
break;
|
|
}
|
|
|
|
switch(printer->duplex())
|
|
{
|
|
case QPrinter::DuplexNone:
|
|
num_options = cupsAddOption("sides", "one-sided", num_options, &options);
|
|
break;
|
|
case QPrinter::DuplexAuto:
|
|
break;
|
|
case QPrinter::DuplexLongSide:
|
|
num_options = cupsAddOption("sides", "two-sided-long-edge", num_options, &options);
|
|
break;
|
|
case QPrinter::DuplexShortSide:
|
|
num_options = cupsAddOption("sides", "two-sided-short-edge", num_options, &options);
|
|
break;
|
|
}
|
|
|
|
int numberUp = 1;
|
|
|
|
#if QT_VERSION < QT_VERSION_CHECK(5,2,0)
|
|
|
|
switch(printOptions.numberUp)
|
|
{
|
|
case PrintOptions::SinglePage:
|
|
num_options = cupsAddOption("number-up", "1", num_options, &options);
|
|
numberUp = 1;
|
|
break;
|
|
case PrintOptions::TwoPages:
|
|
num_options = cupsAddOption("number-up", "2", num_options, &options);
|
|
numberUp = 2;
|
|
break;
|
|
case PrintOptions::FourPages:
|
|
num_options = cupsAddOption("number-up", "4", num_options, &options);
|
|
numberUp = 4;
|
|
break;
|
|
case PrintOptions::SixPages:
|
|
num_options = cupsAddOption("number-up", "6", num_options, &options);
|
|
numberUp = 6;
|
|
break;
|
|
case PrintOptions::NinePages:
|
|
num_options = cupsAddOption("number-up", "9", num_options, &options);
|
|
numberUp = 9;
|
|
break;
|
|
case PrintOptions::SixteenPages:
|
|
num_options = cupsAddOption("number-up", "16", num_options, &options);
|
|
numberUp = 16;
|
|
break;
|
|
}
|
|
|
|
switch(printOptions.numberUpLayout)
|
|
{
|
|
case PrintOptions::BottomTopLeftRight:
|
|
num_options = cupsAddOption("number-up-layout", "btlr", num_options, &options);
|
|
break;
|
|
case PrintOptions::BottomTopRightLeft:
|
|
num_options = cupsAddOption("number-up-layout", "btrl", num_options, &options);
|
|
break;
|
|
case PrintOptions::LeftRightBottomTop:
|
|
num_options = cupsAddOption("number-up-layout", "lrbt", num_options, &options);
|
|
break;
|
|
case PrintOptions::LeftRightTopBottom:
|
|
num_options = cupsAddOption("number-up-layout", "lrtb", num_options, &options);
|
|
break;
|
|
case PrintOptions::RightLeftBottomTop:
|
|
num_options = cupsAddOption("number-up-layout", "rlbt", num_options, &options);
|
|
break;
|
|
case PrintOptions::RightLeftTopBottom:
|
|
num_options = cupsAddOption("number-up-layout", "rltb", num_options, &options);
|
|
break;
|
|
case PrintOptions::TopBottomLeftRight:
|
|
num_options = cupsAddOption("number-up-layout", "tblr", num_options, &options);
|
|
break;
|
|
case PrintOptions::TopBottomRightLeft:
|
|
num_options = cupsAddOption("number-up-layout", "tbrl", num_options, &options);
|
|
break;
|
|
}
|
|
|
|
switch(printOptions.pageSet)
|
|
{
|
|
case PrintOptions::AllPages:
|
|
break;
|
|
case PrintOptions::EvenPages:
|
|
num_options = cupsAddOption("page-set", "even", num_options, &options);
|
|
break;
|
|
case PrintOptions::OddPages:
|
|
num_options = cupsAddOption("page-set", "odd", num_options, &options);
|
|
break;
|
|
}
|
|
|
|
#else
|
|
|
|
{
|
|
bool ok = false;
|
|
int value = QString::fromUtf8(cupsGetOption("number-up", num_options, options)).toInt(&ok);
|
|
|
|
numberUp = ok ? value : 1;
|
|
}
|
|
|
|
#endif // QT_VERSION
|
|
|
|
fromPage = (fromPage - 1) / numberUp + 1;
|
|
toPage = (toPage - 1) / numberUp + 1;
|
|
|
|
if(cupsGetOption("page-ranges", num_options, options) == 0)
|
|
{
|
|
if(printOptions.pageRanges.isEmpty())
|
|
{
|
|
num_options = cupsAddOption("page-ranges", QString("%1-%2").arg(fromPage).arg(toPage).toUtf8(), num_options, &options);
|
|
}
|
|
else
|
|
{
|
|
num_options = cupsAddOption("page-ranges", printOptions.pageRanges.toUtf8(), num_options, &options);
|
|
}
|
|
}
|
|
|
|
QTemporaryFile temporaryFile;
|
|
|
|
adjustFileTemplateSuffix(temporaryFile, m_fileInfo.suffix());
|
|
|
|
if(!temporaryFile.open())
|
|
{
|
|
cupsFreeDests(num_dests, dests);
|
|
cupsFreeOptions(num_options, options);
|
|
|
|
return false;
|
|
}
|
|
|
|
temporaryFile.close();
|
|
|
|
if(!m_document->save(temporaryFile.fileName(), true))
|
|
{
|
|
cupsFreeDests(num_dests, dests);
|
|
cupsFreeOptions(num_options, options);
|
|
|
|
return false;
|
|
}
|
|
|
|
jobId = cupsPrintFile(dest->name, QFile::encodeName(temporaryFile.fileName()), m_fileInfo.completeBaseName().toUtf8(), num_options, options);
|
|
|
|
if(jobId < 1)
|
|
{
|
|
qWarning() << cupsLastErrorString();
|
|
}
|
|
|
|
cupsFreeDests(num_dests, dests);
|
|
cupsFreeOptions(num_options, options);
|
|
|
|
return jobId >= 1;
|
|
}
|
|
|
|
#endif // WITH_CUPS
|
|
|
|
bool DocumentView::printUsingQt(QPrinter* printer, const PrintOptions& printOptions, int fromPage, int toPage)
|
|
{
|
|
QScopedPointer< QProgressDialog > progressDialog(new QProgressDialog(this));
|
|
progressDialog->setLabelText(tr("Printing '%1'...").arg(m_fileInfo.completeBaseName()));
|
|
progressDialog->setRange(fromPage - 1, toPage);
|
|
|
|
QPainter painter;
|
|
|
|
if(!painter.begin(printer))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
for(int index = fromPage - 1; index <= toPage - 1; ++index)
|
|
{
|
|
progressDialog->setValue(index);
|
|
|
|
QApplication::processEvents();
|
|
|
|
painter.save();
|
|
|
|
const Model::Page* page = m_pages.at(index);
|
|
|
|
if(printOptions.fitToPage)
|
|
{
|
|
const qreal pageWidth = printer->physicalDpiX() / 72.0 * page->size().width();
|
|
const qreal pageHeight = printer->physicalDpiY() / 72.0 * page->size().width();
|
|
|
|
const qreal scaleFactor = qMin(printer->width() / pageWidth, printer->height() / pageHeight);
|
|
|
|
painter.setTransform(QTransform::fromScale(scaleFactor, scaleFactor));
|
|
}
|
|
else
|
|
{
|
|
const qreal scaleFactorX = static_cast< qreal >(printer->logicalDpiX()) / static_cast< qreal >(printer->physicalDpiX());
|
|
const qreal scaleFactorY = static_cast< qreal >(printer->logicalDpiY()) / static_cast< qreal >(printer->physicalDpiY());
|
|
|
|
painter.setTransform(QTransform::fromScale(scaleFactorX, scaleFactorY));
|
|
}
|
|
|
|
painter.drawImage(QPointF(), page->render(printer->physicalDpiX(), printer->physicalDpiY()));
|
|
|
|
painter.restore();
|
|
|
|
if(index < toPage - 1)
|
|
{
|
|
printer->newPage();
|
|
}
|
|
|
|
QApplication::processEvents();
|
|
|
|
if(progressDialog->wasCanceled())
|
|
{
|
|
printer->abort();
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void DocumentView::saveLeftAndTop(qreal& left, qreal& top) const
|
|
{
|
|
const PageItem* page = m_pageItems.at(m_currentPage - 1);
|
|
const QRectF boundingRect = page->uncroppedBoundingRect().translated(page->pos());
|
|
|
|
const QPointF topLeft = mapToScene(viewport()->rect().topLeft());
|
|
|
|
left = (topLeft.x() - boundingRect.x()) / boundingRect.width();
|
|
top = (topLeft.y() - boundingRect.y()) / boundingRect.height();
|
|
}
|
|
|
|
bool DocumentView::checkDocument(const QString& filePath, Model::Document* document, QVector< Model::Page* >& pages)
|
|
{
|
|
if(document->isLocked())
|
|
{
|
|
QString password = QInputDialog::getText(this, tr("Unlock %1").arg(QFileInfo(filePath).completeBaseName()), tr("Password:"), QLineEdit::Password);
|
|
|
|
if(document->unlock(password))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const int numberOfPages = document->numberOfPages();
|
|
|
|
if(numberOfPages == 0)
|
|
{
|
|
qWarning() << "No pages were found in document at" << filePath;
|
|
|
|
return false;
|
|
}
|
|
|
|
pages.reserve(numberOfPages);
|
|
|
|
for(int index = 0; index < numberOfPages; ++index)
|
|
{
|
|
Model::Page* page = document->page(index);
|
|
|
|
if(page == 0)
|
|
{
|
|
qWarning() << "No page" << index << "was found in document at" << filePath;
|
|
|
|
return false;
|
|
}
|
|
|
|
pages.append(page);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void DocumentView::loadDocumentDefaults()
|
|
{
|
|
if(m_document->wantsContinuousMode())
|
|
{
|
|
m_continuousMode = true;
|
|
}
|
|
|
|
if(m_document->wantsSinglePageMode())
|
|
{
|
|
m_layout.reset(new SinglePageLayout);
|
|
}
|
|
else if(m_document->wantsTwoPagesMode())
|
|
{
|
|
m_layout.reset(new TwoPagesLayout);
|
|
}
|
|
else if(m_document->wantsTwoPagesWithCoverPageMode())
|
|
{
|
|
m_layout.reset(new TwoPagesWithCoverPageLayout);
|
|
}
|
|
|
|
if(m_document->wantsRightToLeftMode())
|
|
{
|
|
m_rightToLeftMode = true;
|
|
}
|
|
}
|
|
|
|
void DocumentView::adjustScrollBarPolicy()
|
|
{
|
|
switch(m_scaleMode)
|
|
{
|
|
default:
|
|
case ScaleFactorMode:
|
|
setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
|
|
setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
|
|
break;
|
|
case FitToPageWidthMode:
|
|
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
|
|
setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
|
|
break;
|
|
case FitToPageSizeMode:
|
|
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
|
|
setVerticalScrollBarPolicy(m_continuousMode ? Qt::ScrollBarAsNeeded : Qt::ScrollBarAlwaysOff);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void DocumentView::prepareDocument(Model::Document* document, const QVector< Model::Page* >& pages)
|
|
{
|
|
m_prefetchTimer->blockSignals(true);
|
|
m_prefetchTimer->stop();
|
|
|
|
cancelSearch();
|
|
clearResults();
|
|
|
|
qDeleteAll(m_pageItems);
|
|
qDeleteAll(m_thumbnailItems);
|
|
|
|
qDeleteAll(m_pages);
|
|
m_pages = pages;
|
|
|
|
delete m_document;
|
|
m_document = document;
|
|
|
|
if(!m_autoRefreshWatcher->files().isEmpty())
|
|
{
|
|
m_autoRefreshWatcher->removePaths(m_autoRefreshWatcher->files());
|
|
}
|
|
|
|
if(s_settings->documentView().autoRefresh())
|
|
{
|
|
m_autoRefreshWatcher->addPath(m_fileInfo.filePath());
|
|
}
|
|
|
|
m_document->setPaperColor(s_settings->pageItem().paperColor());
|
|
|
|
preparePages();
|
|
prepareThumbnails();
|
|
prepareBackground();
|
|
|
|
const Model::Outline outline = m_document->outline();
|
|
|
|
if(!outline.empty())
|
|
{
|
|
m_outlineModel.reset(new OutlineModel(outline, this));
|
|
}
|
|
else
|
|
{
|
|
m_outlineModel.reset(new FallbackOutlineModel(this));
|
|
}
|
|
|
|
Model::Properties properties = m_document->properties();
|
|
|
|
addFileProperties(properties, m_fileInfo);
|
|
|
|
m_propertiesModel.reset(new PropertiesModel(properties, this));
|
|
|
|
if(s_settings->documentView().prefetch())
|
|
{
|
|
m_prefetchTimer->blockSignals(false);
|
|
m_prefetchTimer->start();
|
|
}
|
|
}
|
|
|
|
void DocumentView::preparePages()
|
|
{
|
|
m_pageItems.clear();
|
|
m_pageItems.reserve(m_pages.count());
|
|
|
|
for(int index = 0; index < m_pages.count(); ++index)
|
|
{
|
|
PageItem* page = new PageItem(m_pages.at(index), index);
|
|
|
|
page->setRubberBandMode(m_rubberBandMode);
|
|
|
|
scene()->addItem(page);
|
|
m_pageItems.append(page);
|
|
|
|
connect(page, SIGNAL(cropRectChanged()), SLOT(on_pages_cropRectChanged()));
|
|
|
|
connect(page, SIGNAL(linkClicked(bool,int,qreal,qreal)), SLOT(on_pages_linkClicked(bool,int,qreal,qreal)));
|
|
connect(page, SIGNAL(linkClicked(bool,QString,int)), SLOT(on_pages_linkClicked(bool,QString,int)));
|
|
connect(page, SIGNAL(linkClicked(QString)), SLOT(on_pages_linkClicked(QString)));
|
|
|
|
connect(page, SIGNAL(rubberBandFinished()), SLOT(on_pages_rubberBandFinished()));
|
|
|
|
connect(page, SIGNAL(zoomToSelection(int,QRectF)), SLOT(on_pages_zoomToSelection(int,QRectF)));
|
|
connect(page, SIGNAL(openInSourceEditor(int,QPointF)), SLOT(on_pages_openInSourceEditor(int,QPointF)));
|
|
|
|
connect(page, SIGNAL(wasModified()), SLOT(on_pages_wasModified()));
|
|
}
|
|
}
|
|
|
|
void DocumentView::prepareThumbnails()
|
|
{
|
|
m_thumbnailItems.clear();
|
|
m_thumbnailItems.reserve(m_pages.count());
|
|
|
|
for(int index = 0; index < m_pages.count(); ++index)
|
|
{
|
|
ThumbnailItem* page = new ThumbnailItem(m_pages.at(index), pageLabelFromNumber(index + 1), index);
|
|
|
|
m_thumbnailsScene->addItem(page);
|
|
m_thumbnailItems.append(page);
|
|
|
|
connect(page, SIGNAL(cropRectChanged()), SLOT(on_thumbnails_cropRectChanged()));
|
|
|
|
connect(page, SIGNAL(linkClicked(bool,int,qreal,qreal)), SLOT(on_pages_linkClicked(bool,int,qreal,qreal)));
|
|
}
|
|
}
|
|
|
|
void DocumentView::prepareBackground()
|
|
{
|
|
QColor backgroundColor;
|
|
|
|
if(s_settings->pageItem().decoratePages())
|
|
{
|
|
backgroundColor = s_settings->pageItem().backgroundColor();
|
|
}
|
|
else
|
|
{
|
|
backgroundColor = s_settings->pageItem().paperColor();
|
|
|
|
if(invertColors())
|
|
{
|
|
backgroundColor.setRgb(~backgroundColor.rgb());
|
|
}
|
|
}
|
|
|
|
scene()->setBackgroundBrush(QBrush(backgroundColor));
|
|
m_thumbnailsScene->setBackgroundBrush(QBrush(backgroundColor));
|
|
}
|
|
|
|
void DocumentView::prepareScene()
|
|
{
|
|
// prepare render parameters and adjust scale factor
|
|
|
|
RenderParam renderParam(logicalDpiX(), logicalDpiY(), 1.0,
|
|
scaleFactor(), rotation(), renderFlags());
|
|
|
|
#if QT_VERSION >= QT_VERSION_CHECK(5,1,0)
|
|
|
|
if(s_settings->pageItem().useDevicePixelRatio())
|
|
{
|
|
#if QT_VERSION >= QT_VERSION_CHECK(5,6,0)
|
|
|
|
renderParam.setDevicePixelRatio(devicePixelRatioF());
|
|
|
|
#else
|
|
|
|
renderParam.setDevicePixelRatio(devicePixelRatio());
|
|
|
|
#endif // QT_VERSION
|
|
}
|
|
|
|
#endif // QT_VERSION
|
|
|
|
const qreal visibleWidth = m_layout->visibleWidth(viewport()->width());
|
|
const qreal visibleHeight = m_layout->visibleHeight(viewport()->height());
|
|
|
|
foreach(PageItem* page, m_pageItems)
|
|
{
|
|
const QSizeF displayedSize = page->displayedSize(renderParam);
|
|
|
|
if(m_scaleMode == FitToPageWidthMode)
|
|
{
|
|
adjustScaleFactor(renderParam, visibleWidth / displayedSize.width());
|
|
}
|
|
else if(m_scaleMode == FitToPageSizeMode)
|
|
{
|
|
adjustScaleFactor(renderParam, qMin(visibleWidth / displayedSize.width(), visibleHeight / displayedSize.height()));
|
|
}
|
|
|
|
page->setRenderParam(renderParam);
|
|
}
|
|
|
|
// prepare layout
|
|
|
|
qreal left = 0.0;
|
|
qreal right = 0.0;
|
|
qreal height = s_settings->documentView().pageSpacing();
|
|
|
|
m_layout->prepareLayout(m_pageItems, m_rightToLeftMode,
|
|
left, right, height);
|
|
|
|
scene()->setSceneRect(left, 0.0, right - left, height);
|
|
}
|
|
|
|
void DocumentView::prepareView(qreal newLeft, qreal newTop, bool forceScroll, int scrollToPage)
|
|
{
|
|
const QRectF sceneRect = scene()->sceneRect();
|
|
|
|
qreal top = sceneRect.top();
|
|
qreal height = sceneRect.height();
|
|
|
|
int horizontalValue = 0;
|
|
int verticalValue = 0;
|
|
|
|
scrollToPage = scrollToPage != 0 ? scrollToPage : m_currentPage;
|
|
|
|
const int highlightIsOnPage = m_currentResult.isValid() ? pageOfResult(m_currentResult) : 0;
|
|
const bool highlightCurrentThumbnail = s_settings->documentView().highlightCurrentThumbnail();
|
|
|
|
for(int index = 0; index < m_pageItems.count(); ++index)
|
|
{
|
|
PageItem* page = m_pageItems.at(index);
|
|
|
|
if(m_continuousMode)
|
|
{
|
|
page->setVisible(true);
|
|
}
|
|
else
|
|
{
|
|
if(m_layout->leftIndex(index) == m_currentPage - 1)
|
|
{
|
|
page->setVisible(true);
|
|
|
|
const QRectF boundingRect = page->boundingRect().translated(page->pos());
|
|
|
|
top = boundingRect.top() - s_settings->documentView().pageSpacing();
|
|
height = boundingRect.height() + 2.0 * s_settings->documentView().pageSpacing();
|
|
}
|
|
else
|
|
{
|
|
page->setVisible(false);
|
|
|
|
page->cancelRender();
|
|
}
|
|
}
|
|
|
|
if(index == scrollToPage - 1)
|
|
{
|
|
const QRectF boundingRect = page->uncroppedBoundingRect().translated(page->pos());
|
|
|
|
horizontalValue = qFloor(boundingRect.left() + newLeft * boundingRect.width());
|
|
verticalValue = qFloor(boundingRect.top() + newTop * boundingRect.height());
|
|
}
|
|
|
|
if(index == highlightIsOnPage - 1)
|
|
{
|
|
m_highlight->setPos(page->pos());
|
|
m_highlight->setTransform(page->transform());
|
|
|
|
page->stackBefore(m_highlight);
|
|
}
|
|
|
|
m_thumbnailItems.at(index)->setHighlighted(highlightCurrentThumbnail && (index == m_currentPage - 1));
|
|
}
|
|
|
|
setSceneRect(sceneRect.left(), top, sceneRect.width(), height);
|
|
|
|
if(!forceScroll && s_settings->documentView().minimalScrolling())
|
|
{
|
|
setValueIfNotVisible(horizontalScrollBar(), horizontalValue);
|
|
setValueIfNotVisible(verticalScrollBar(), verticalValue);
|
|
}
|
|
else
|
|
{
|
|
horizontalScrollBar()->setValue(horizontalValue);
|
|
verticalScrollBar()->setValue(verticalValue);
|
|
}
|
|
|
|
viewport()->update();
|
|
}
|
|
|
|
void DocumentView::prepareThumbnailsScene()
|
|
{
|
|
// prepare render parameters and adjust scale factor
|
|
|
|
RenderParam renderParam(logicalDpiX(), logicalDpiY(), 1.0,
|
|
scaleFactor(), rotation(), renderFlags());
|
|
|
|
#if QT_VERSION >= QT_VERSION_CHECK(5,1,0)
|
|
|
|
if(s_settings->pageItem().useDevicePixelRatio())
|
|
{
|
|
#if QT_VERSION >= QT_VERSION_CHECK(5,6,0)
|
|
|
|
renderParam.setDevicePixelRatio(devicePixelRatioF());
|
|
|
|
#else
|
|
|
|
renderParam.setDevicePixelRatio(devicePixelRatio());
|
|
|
|
#endif // QT_VERSION
|
|
}
|
|
|
|
#endif // QT_VERSION
|
|
|
|
const qreal thumbnailSize = s_settings->documentView().thumbnailSize();
|
|
const qreal thumbnailSpacing = s_settings->documentView().thumbnailSpacing();
|
|
|
|
qreal visibleWidth = Defaults::DocumentView::thumbnailSize();
|
|
qreal visibleHeight = Defaults::DocumentView::thumbnailSize();
|
|
|
|
if(!m_thumbnailsViewportSize.isNull())
|
|
{
|
|
visibleWidth = m_thumbnailsViewportSize.width() - 3.0 * thumbnailSpacing;
|
|
visibleHeight = m_thumbnailsViewportSize.height() - 3.0 * thumbnailSpacing;
|
|
}
|
|
|
|
foreach(ThumbnailItem* page, m_thumbnailItems)
|
|
{
|
|
const QSizeF displayedSize = page->displayedSize(renderParam);
|
|
|
|
if(thumbnailSize != 0.0)
|
|
{
|
|
adjustScaleFactor(renderParam, qMin(thumbnailSize / displayedSize.width(), thumbnailSize / displayedSize.height()));
|
|
}
|
|
else
|
|
{
|
|
if(m_thumbnailsOrientation == Qt::Vertical)
|
|
{
|
|
adjustScaleFactor(renderParam, visibleWidth / displayedSize.width());
|
|
}
|
|
else
|
|
{
|
|
adjustScaleFactor(renderParam, (visibleHeight - page->textHeight()) / displayedSize.height());
|
|
}
|
|
}
|
|
|
|
page->setRenderParam(renderParam);
|
|
}
|
|
|
|
// prepare layout
|
|
|
|
qreal left = 0.0;
|
|
qreal right = m_thumbnailsOrientation == Qt::Vertical ? 0.0 : thumbnailSpacing;
|
|
qreal top = 0.0;
|
|
qreal bottom = m_thumbnailsOrientation == Qt::Vertical ? thumbnailSpacing : 0.0;
|
|
|
|
const bool limitThumbnailsToResults = s_settings->documentView().limitThumbnailsToResults();
|
|
|
|
for(int index = 0; index < m_thumbnailItems.count(); ++index)
|
|
{
|
|
ThumbnailItem* page = m_thumbnailItems.at(index);
|
|
|
|
// prepare visibility
|
|
|
|
if(limitThumbnailsToResults && s_searchModel->hasResults(this) && !s_searchModel->hasResultsOnPage(this, index + 1))
|
|
{
|
|
page->setVisible(false);
|
|
|
|
page->cancelRender();
|
|
|
|
continue;
|
|
}
|
|
|
|
page->setVisible(true);
|
|
|
|
// prepare position
|
|
|
|
const QRectF boundingRect = page->boundingRect();
|
|
|
|
if(m_thumbnailsOrientation == Qt::Vertical)
|
|
{
|
|
page->setPos(-boundingRect.left() - 0.5 * boundingRect.width(), bottom - boundingRect.top());
|
|
|
|
left = qMin(left, -0.5f * boundingRect.width() - thumbnailSpacing);
|
|
right = qMax(right, 0.5f * boundingRect.width() + thumbnailSpacing);
|
|
bottom += boundingRect.height() + thumbnailSpacing;
|
|
}
|
|
else
|
|
{
|
|
page->setPos(right - boundingRect.left(), -boundingRect.top() - 0.5 * boundingRect.height());
|
|
|
|
top = qMin(top, -0.5f * boundingRect.height() - thumbnailSpacing);
|
|
bottom = qMax(bottom, 0.5f * boundingRect.height() + thumbnailSpacing);
|
|
right += boundingRect.width() + thumbnailSpacing;
|
|
}
|
|
}
|
|
|
|
m_thumbnailsScene->setSceneRect(left, top, right - left, bottom - top);
|
|
}
|
|
|
|
void DocumentView::prepareHighlight(int index, const QRectF& rect)
|
|
{
|
|
PageItem* page = m_pageItems.at(index);
|
|
|
|
m_highlight->setPos(page->pos());
|
|
m_highlight->setTransform(page->transform());
|
|
|
|
m_highlight->setRect(rect.normalized());
|
|
m_highlight->setBrush(QBrush(s_settings->pageItem().highlightColor()));
|
|
|
|
page->stackBefore(m_highlight);
|
|
|
|
m_highlight->setVisible(true);
|
|
|
|
{
|
|
VerticalScrollBarChangedBlocker verticalScrollBarChangedBlocker(this);
|
|
|
|
centerOn(m_highlight);
|
|
}
|
|
|
|
viewport()->update();
|
|
}
|
|
|
|
void DocumentView::checkResult()
|
|
{
|
|
if(m_currentResult.isValid() && m_layout->currentPage(pageOfResult(m_currentResult)) != m_currentPage)
|
|
{
|
|
m_currentResult = QModelIndex();
|
|
}
|
|
}
|
|
|
|
void DocumentView::applyResult()
|
|
{
|
|
if(m_currentResult.isValid())
|
|
{
|
|
const int page = pageOfResult(m_currentResult);
|
|
const QRectF rect = rectOfResult(m_currentResult);
|
|
|
|
jumpToPage(page);
|
|
|
|
prepareHighlight(page - 1, rect);
|
|
}
|
|
else
|
|
{
|
|
m_highlight->setVisible(false);
|
|
}
|
|
}
|
|
|
|
} // qpdfview
|