mirror of
https://github.com/JakubMelka/PDF4QT.git
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DocDiff application: basic functionality, opening documents
This commit is contained in:
Jakub Melka
parent
ba13871a9c
commit
e354a03564
@ -21,24 +21,47 @@
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#include "aboutdialog.h"
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#include "pdfwidgetutils.h"
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#include "pdfdocumentreader.h"
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#include <QToolBar>
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#include <QDesktopWidget>
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#include <QDesktopServices>
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#include <QMessageBox>
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#include <QInputDialog>
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#include <QFileDialog>
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namespace pdfdocdiff
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{
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MainWindow::MainWindow(QWidget* parent) :
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QMainWindow(parent),
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ui(new Ui::MainWindow)
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ui(new Ui::MainWindow),
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m_progress(new pdf::PDFProgress(this)),
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m_taskbarButton(new QWinTaskbarButton(this)),
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m_progressTaskbarIndicator(nullptr),
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m_diff(nullptr),
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m_isChangingProgressStep(false),
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m_dontDisplayErrorMessage(false)
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{
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ui->setupUi(this);
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setMinimumSize(pdf::PDFWidgetUtils::scaleDPI(this, QSize(800, 600)));
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// Initialize task bar progress
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m_progressTaskbarIndicator = m_taskbarButton->progress();
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ui->actionGet_Source->setData(int(Operation::GetSource));
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ui->actionAbout->setData(int(Operation::About));
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ui->actionOpen_Left->setData(int(Operation::OpenLeft));
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ui->actionOpen_Right->setData(int(Operation::OpenRight));
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ui->actionCompare->setData(int(Operation::Compare));
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ui->actionClose->setData(int(Operation::Close));
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QToolBar* mainToolbar = addToolBar(tr("Main"));
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mainToolbar->setObjectName("main_toolbar");
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mainToolbar->addActions({ ui->actionOpen_Left, ui->actionOpen_Right });
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mainToolbar->addSeparator();
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mainToolbar->addAction(ui->actionCompare);
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QSize iconSize = pdf::PDFWidgetUtils::scaleDPI(this, QSize(24, 24));
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auto toolbars = findChildren<QToolBar*>();
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@ -61,6 +84,14 @@ MainWindow::MainWindow(QWidget* parent) :
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}
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}
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connect(m_progress, &pdf::PDFProgress::progressStarted, this, &MainWindow::onProgressStarted);
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connect(m_progress, &pdf::PDFProgress::progressStep, this, &MainWindow::onProgressStep);
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connect(m_progress, &pdf::PDFProgress::progressFinished, this, &MainWindow::onProgressFinished);
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m_diff.setProgress(m_progress);
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m_diff.setOption(pdf::PDFDiff::Asynchronous, true);
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connect(&m_diff, &pdf::PDFDiff::comparationFinished, this, &MainWindow::onComparationFinished);
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m_diff.setLeftDocument(&m_leftDocument);
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m_diff.setRightDocument(&m_rightDocument);
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@ -74,11 +105,32 @@ MainWindow::~MainWindow()
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delete ui;
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}
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void MainWindow::showEvent(QShowEvent* event)
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{
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Q_UNUSED(event);
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m_taskbarButton->setWindow(windowHandle());
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}
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void MainWindow::closeEvent(QCloseEvent* event)
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{
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BaseClass::closeEvent(event);
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m_diff.stop();
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}
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void MainWindow::onMappedActionTriggered(int actionId)
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{
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performOperation(static_cast<Operation>(actionId));
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}
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void MainWindow::onComparationFinished()
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{
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auto result = m_diff.getResult().getResult();
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if (!result && !m_dontDisplayErrorMessage)
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{
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QMessageBox::critical(this, tr("Error"), result.getErrorMessage());
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}
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}
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void MainWindow::updateActions()
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{
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QList<QAction*> actions = findChildren<QAction*>();
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@ -138,6 +190,10 @@ bool MainWindow::canPerformOperation(Operation operation) const
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{
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switch (operation)
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{
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case Operation::OpenLeft:
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case Operation::OpenRight:
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case Operation::Compare:
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case Operation::Close:
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case Operation::GetSource:
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case Operation::About:
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return true;
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@ -154,9 +210,103 @@ void MainWindow::performOperation(Operation operation)
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{
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switch (operation)
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{
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case Operation::OpenLeft:
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{
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pdf::PDFTemporaryValueChange guard(&m_dontDisplayErrorMessage, true);
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m_diff.stop();
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std::optional<pdf::PDFDocument> document = openDocument();
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if (document)
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{
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m_leftDocument = std::move(*document);
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const size_t pageCount = m_leftDocument.getCatalog()->getPageCount();
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if (pageCount > 1)
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{
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ui->leftPageSelectionEdit->setText(QString("1-%2").arg(pageCount));
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}
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else if (pageCount == 1)
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{
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ui->leftPageSelectionEdit->setText("1");
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}
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else
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{
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ui->leftPageSelectionEdit->clear();
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}
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}
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break;
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}
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case Operation::OpenRight:
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{
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pdf::PDFTemporaryValueChange guard(&m_dontDisplayErrorMessage, true);
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m_diff.stop();
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std::optional<pdf::PDFDocument> document = openDocument();
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if (document)
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{
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m_rightDocument = std::move(*document);
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const size_t pageCount = m_rightDocument.getCatalog()->getPageCount();
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if (pageCount > 1)
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{
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ui->rightPageSelectionEdit->setText(QString("1-%2").arg(pageCount));
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}
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else if (pageCount == 1)
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{
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ui->rightPageSelectionEdit->setText("1");
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}
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else
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{
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ui->rightPageSelectionEdit->clear();
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}
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}
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break;
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}
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case Operation::Compare:
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{
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pdf::PDFTemporaryValueChange guard(&m_dontDisplayErrorMessage, true);
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m_diff.stop();
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QString errorMessage;
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pdf::PDFClosedIntervalSet rightPageIndices;
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pdf::PDFClosedIntervalSet leftPageIndices = pdf::PDFClosedIntervalSet::parse(1, qMax<pdf::PDFInteger>(1, m_leftDocument.getCatalog()->getPageCount()), ui->leftPageSelectionEdit->text(), &errorMessage);
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if (errorMessage.isEmpty())
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{
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rightPageIndices = pdf::PDFClosedIntervalSet::parse(1, qMax<pdf::PDFInteger>(1, m_rightDocument.getCatalog()->getPageCount()), ui->rightPageSelectionEdit->text(), &errorMessage);
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}
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// Check if pages are succesfully parsed
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if (!errorMessage.isEmpty())
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{
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QMessageBox::critical(this, tr("Error"), errorMessage);
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break;
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}
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leftPageIndices.translate(-1);
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rightPageIndices.translate(-1);
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m_diff.setPagesForLeftDocument(std::move(leftPageIndices));
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m_diff.setPagesForRightDocument(std::move(rightPageIndices));
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m_diff.start();
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break;
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}
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case Operation::Close:
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{
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close();
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break;
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}
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case Operation::GetSource:
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{
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QDesktopServices::openUrl(QUrl("https://github.com/JakubMelka/PDF4QT"));
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break;
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}
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case Operation::About:
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{
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@ -174,4 +324,63 @@ void MainWindow::performOperation(Operation operation)
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updateActions();
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}
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std::optional<pdf::PDFDocument> MainWindow::openDocument()
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{
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QString fileName = QFileDialog::getOpenFileName(this, tr("Select PDF document"), m_settings.directory, tr("PDF document (*.pdf)"));
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if (fileName.isEmpty())
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{
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return std::nullopt;
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}
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auto queryPassword = [this](bool* ok)
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{
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*ok = false;
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return QInputDialog::getText(this, tr("Encrypted document"), tr("Enter password to access document content"), QLineEdit::Password, QString(), ok);
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};
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// Mark current directory as this
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QFileInfo fileInfo(fileName);
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m_settings.directory = fileInfo.dir().absolutePath();
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// Try to open a new document
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pdf::PDFDocumentReader reader(nullptr, qMove(queryPassword), true, false);
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pdf::PDFDocument document = reader.readFromFile(fileName);
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QString errorMessage = reader.getErrorMessage();
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pdf::PDFDocumentReader::Result result = reader.getReadingResult();
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if (result == pdf::PDFDocumentReader::Result::OK)
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{
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return document;
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}
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else if (result == pdf::PDFDocumentReader::Result::Failed)
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{
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QMessageBox::critical(this, tr("Error"), errorMessage);
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}
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return pdf::PDFDocument();
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}
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void MainWindow::onProgressStarted(pdf::ProgressStartupInfo info)
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{
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m_progressTaskbarIndicator->setRange(0, 100);
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m_progressTaskbarIndicator->reset();
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m_progressTaskbarIndicator->show();
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}
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void MainWindow::onProgressStep(int percentage)
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{
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if (m_isChangingProgressStep)
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{
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return;
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}
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pdf::PDFTemporaryValueChange guard(&m_isChangingProgressStep, true);
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m_progressTaskbarIndicator->setValue(percentage);
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}
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void MainWindow::onProgressFinished()
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{
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m_progressTaskbarIndicator->hide();
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}
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} // namespace pdfdocdiff
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@ -23,6 +23,8 @@
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#include <QMainWindow>
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#include <QSignalMapper>
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#include <QWinTaskbarButton>
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#include <QWinTaskbarProgress>
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namespace Ui
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{
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@ -36,21 +38,36 @@ class MainWindow : public QMainWindow
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{
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Q_OBJECT
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private:
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using BaseClass = QMainWindow;
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public:
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explicit MainWindow(QWidget* parent);
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virtual ~MainWindow() override;
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enum class Operation
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{
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OpenLeft,
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OpenRight,
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Compare,
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Close,
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GetSource,
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About
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};
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virtual void showEvent(QShowEvent* event) override;
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virtual void closeEvent(QCloseEvent* event) override;
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private slots:
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void updateActions();
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private:
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void onMappedActionTriggered(int actionId);
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void onComparationFinished();
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void onProgressStarted(pdf::ProgressStartupInfo info);
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void onProgressStep(int percentage);
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void onProgressFinished();
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void loadSettings();
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void saveSettings();
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@ -58,6 +75,8 @@ private:
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bool canPerformOperation(Operation operation) const;
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void performOperation(Operation operation);
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std::optional<pdf::PDFDocument> openDocument();
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struct Settings
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{
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QString directory;
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@ -65,9 +84,15 @@ private:
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Ui::MainWindow* ui;
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pdf::PDFProgress* m_progress;
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QWinTaskbarButton* m_taskbarButton;
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QWinTaskbarProgress* m_progressTaskbarIndicator;
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Settings m_settings;
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QSignalMapper m_mapper;
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pdf::PDFDiff m_diff;
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bool m_isChangingProgressStep;
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bool m_dontDisplayErrorMessage;
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pdf::PDFDocument m_leftDocument;
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pdf::PDFDocument m_rightDocument;
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@ -81,6 +81,9 @@
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<property name="title">
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<string>File</string>
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</property>
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<addaction name="actionOpen_Left"/>
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<addaction name="actionOpen_Right"/>
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<addaction name="actionClose"/>
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</widget>
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<widget class="QMenu" name="menuHelp">
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<property name="title">
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@ -94,15 +97,22 @@
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<string>Toolbars</string>
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</property>
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</widget>
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<widget class="QMenu" name="menuCompare">
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<property name="title">
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<string>Compare</string>
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</property>
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<addaction name="actionCompare"/>
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</widget>
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<addaction name="menuFile"/>
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<addaction name="menuCompare"/>
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<addaction name="menuToolbars"/>
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<addaction name="menuHelp"/>
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</widget>
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<widget class="QStatusBar" name="statusbar"/>
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<action name="actionGet_Source">
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<property name="icon">
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<iconset>
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<normaloff>:/pdfdocpage/resources/get-source.svg</normaloff>:/pdfdocpage/resources/get-source.svg</iconset>
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<iconset resource="resources.qrc">
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<normaloff>:/pdfdocdiff/resources/get-source.svg</normaloff>:/pdfdocdiff/resources/get-source.svg</iconset>
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</property>
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<property name="text">
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<string>Get Source</string>
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@ -110,8 +120,8 @@
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</action>
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<action name="actionAbout">
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<property name="icon">
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<iconset>
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<normaloff>:/pdfdocpage/resources/about.svg</normaloff>:/pdfdocpage/resources/about.svg</iconset>
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<iconset resource="resources.qrc">
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<normaloff>:/pdfdocdiff/resources/about.svg</normaloff>:/pdfdocdiff/resources/about.svg</iconset>
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</property>
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<property name="text">
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<string>About</string>
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@ -120,7 +130,51 @@
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<string>F1</string>
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</property>
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</action>
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<action name="actionOpen_Left">
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<property name="icon">
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<iconset resource="resources.qrc">
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<normaloff>:/pdfdocdiff/resources/open-left.svg</normaloff>:/pdfdocdiff/resources/open-left.svg</iconset>
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</property>
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<property name="text">
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<string>Open Left</string>
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</property>
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</action>
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<action name="actionOpen_Right">
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<property name="icon">
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<iconset resource="resources.qrc">
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<normaloff>:/pdfdocdiff/resources/open-right.svg</normaloff>:/pdfdocdiff/resources/open-right.svg</iconset>
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</property>
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<property name="text">
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<string>Open Right</string>
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</property>
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</action>
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<action name="actionCompare">
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<property name="icon">
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<iconset resource="resources.qrc">
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<normaloff>:/pdfdocdiff/resources/compare.svg</normaloff>:/pdfdocdiff/resources/compare.svg</iconset>
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</property>
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<property name="text">
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<string>Compare</string>
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</property>
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<property name="shortcut">
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<string>F5</string>
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</property>
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</action>
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<action name="actionClose">
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<property name="icon">
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<iconset resource="resources.qrc">
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<normaloff>:/pdfdocdiff/resources/close.svg</normaloff>:/pdfdocdiff/resources/close.svg</iconset>
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</property>
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<property name="text">
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<string>Close</string>
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</property>
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<property name="shortcut">
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<string>Ctrl+F4</string>
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</property>
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</action>
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</widget>
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<resources/>
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<resources>
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<include location="resources.qrc"/>
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</resources>
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<connections/>
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</ui>
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@ -1,5 +1,10 @@
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<RCC>
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<qresource prefix="/pdfdocdiff">
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<file>resources/about.svg</file>
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<file>resources/close.svg</file>
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<file>resources/compare.svg</file>
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<file>resources/get-source.svg</file>
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<file>resources/open-left.svg</file>
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<file>resources/open-right.svg</file>
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</qresource>
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</RCC>
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108
Pdf4QtDocDiff/resources/close.svg
Normal file
108
Pdf4QtDocDiff/resources/close.svg
Normal file
@ -0,0 +1,108 @@
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!-- Created with Inkscape (http://www.inkscape.org/) -->
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<svg
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:cc="http://creativecommons.org/ns#"
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xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
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xmlns:svg="http://www.w3.org/2000/svg"
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xmlns="http://www.w3.org/2000/svg"
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xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
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width="30mm"
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height="30mm"
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||||
viewBox="0 0 30 30"
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version="1.1"
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id="svg5291"
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inkscape:version="0.92.4 (5da689c313, 2019-01-14)"
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||||
sodipodi:docname="about.svg">
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<defs
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||||
id="defs5285">
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||||
<inkscape:perspective
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||||
sodipodi:type="inkscape:persp3d"
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||||
inkscape:vp_x="0 : 15 : 1"
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||||
inkscape:vp_y="0 : 1000 : 0"
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||||
inkscape:vp_z="30 : 15 : 1"
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||||
inkscape:persp3d-origin="15 : 10 : 1"
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||||
id="perspective5921" />
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||||
</defs>
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||||
<sodipodi:namedview
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||||
id="base"
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||||
pagecolor="#ffffff"
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||||
bordercolor="#666666"
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||||
borderopacity="1.0"
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||||
inkscape:pageopacity="0.0"
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||||
inkscape:pageshadow="2"
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@ -16,23 +16,34 @@
|
||||
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
#include "pdfdiff.h"
|
||||
#include "pdfdocumenttextflow.h"
|
||||
|
||||
#include <QtConcurrent/QtConcurrent>
|
||||
|
||||
namespace pdf
|
||||
{
|
||||
|
||||
PDFDiff::PDFDiff(QObject* parent) :
|
||||
BaseClass(parent),
|
||||
m_progress(nullptr),
|
||||
m_leftDocument(nullptr),
|
||||
m_rightDocument(nullptr)
|
||||
m_rightDocument(nullptr),
|
||||
m_options(Asynchronous),
|
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m_cancelled(false)
|
||||
{
|
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|
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}
|
||||
|
||||
PDFDiff::~PDFDiff()
|
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{
|
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stop();
|
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}
|
||||
|
||||
void PDFDiff::setLeftDocument(const PDFDocument* leftDocument)
|
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{
|
||||
if (m_leftDocument != leftDocument)
|
||||
{
|
||||
clear();
|
||||
stop();
|
||||
m_leftDocument = leftDocument;
|
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}
|
||||
}
|
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@ -41,15 +52,147 @@ void PDFDiff::setRightDocument(const PDFDocument* rightDocument)
|
||||
{
|
||||
if (m_rightDocument != rightDocument)
|
||||
{
|
||||
clear();
|
||||
stop();
|
||||
m_rightDocument = rightDocument;
|
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}
|
||||
}
|
||||
|
||||
void PDFDiff::clear()
|
||||
void PDFDiff::setPagesForLeftDocument(PDFClosedIntervalSet pagesForLeftDocument)
|
||||
{
|
||||
stopEngine();
|
||||
stop();
|
||||
m_pagesForLeftDocument = std::move(pagesForLeftDocument);
|
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}
|
||||
|
||||
void PDFDiff::setPagesForRightDocument(PDFClosedIntervalSet pagesForRightDocument)
|
||||
{
|
||||
stop();
|
||||
m_pagesForRightDocument = std::move(pagesForRightDocument);
|
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}
|
||||
|
||||
void PDFDiff::start()
|
||||
{
|
||||
// Jakub Melka: First, we must ensure, that comparation
|
||||
// process is finished, otherwise we must wait for end.
|
||||
// Then, create a new future watcher.
|
||||
stop();
|
||||
|
||||
m_cancelled = false;
|
||||
|
||||
if (m_options.testFlag(Asynchronous))
|
||||
{
|
||||
m_futureWatcher = std::nullopt;
|
||||
m_futureWatcher.emplace();
|
||||
|
||||
m_future = QtConcurrent::run(std::bind(&PDFDiff::perform, this));
|
||||
connect(&*m_futureWatcher, &QFutureWatcher<PDFDiffResult>::finished, this, &PDFDiff::onComparationPerformed);
|
||||
m_futureWatcher->setFuture(m_future);
|
||||
}
|
||||
else
|
||||
{
|
||||
// Just do comparation immediately
|
||||
m_result = perform();
|
||||
emit comparationFinished();
|
||||
}
|
||||
}
|
||||
|
||||
void PDFDiff::stop()
|
||||
{
|
||||
if (m_futureWatcher && !m_futureWatcher->isFinished())
|
||||
{
|
||||
// Do stop only if process doesn't finished already.
|
||||
// If we are finished, we do not want to set cancelled state.
|
||||
m_cancelled = true;
|
||||
m_futureWatcher->waitForFinished();
|
||||
}
|
||||
}
|
||||
|
||||
PDFDiffResult PDFDiff::perform()
|
||||
{
|
||||
PDFDiffResult result;
|
||||
|
||||
if (!m_leftDocument || !m_rightDocument)
|
||||
{
|
||||
result.setResult(tr("No document to be compared."));
|
||||
return result;
|
||||
}
|
||||
|
||||
if (m_pagesForLeftDocument.isEmpty() || m_pagesForRightDocument.isEmpty())
|
||||
{
|
||||
result.setResult(tr("No page to be compared."));
|
||||
return result;
|
||||
}
|
||||
|
||||
auto leftPages = m_pagesForLeftDocument.unfold();
|
||||
auto rightPages = m_pagesForRightDocument.unfold();
|
||||
|
||||
const size_t leftDocumentPageCount = m_leftDocument->getCatalog()->getPageCount();
|
||||
const size_t rightDocumentPageCount = m_rightDocument->getCatalog()->getPageCount();
|
||||
|
||||
if (leftPages.front() < 0 ||
|
||||
leftPages.back() >= PDFInteger(leftDocumentPageCount) ||
|
||||
rightPages.front() < 0 ||
|
||||
rightPages.back() >= PDFInteger(rightDocumentPageCount))
|
||||
{
|
||||
result.setResult(tr("Invalid page range."));
|
||||
return result;
|
||||
}
|
||||
|
||||
if (m_progress)
|
||||
{
|
||||
ProgressStartupInfo info;
|
||||
info.showDialog = false;
|
||||
info.text = tr("");
|
||||
m_progress->start(StepLast, std::move(info));
|
||||
}
|
||||
|
||||
// StepExtractContentLeftDocument
|
||||
stepProgress();
|
||||
|
||||
// StepExtractContentRightDocument
|
||||
stepProgress();
|
||||
|
||||
// StepExtractTextLeftDocument
|
||||
pdf::PDFDocumentTextFlowFactory factoryLeftDocumentTextFlow;
|
||||
factoryLeftDocumentTextFlow.setCalculateBoundingBoxes(true);
|
||||
PDFDocumentTextFlow leftTextFlow = factoryLeftDocumentTextFlow.create(m_leftDocument, leftPages, PDFDocumentTextFlowFactory::Algorithm::Auto);
|
||||
stepProgress();
|
||||
|
||||
// StepExtractTextRightDocument
|
||||
pdf::PDFDocumentTextFlowFactory factoryRightDocumentTextFlow;
|
||||
factoryRightDocumentTextFlow.setCalculateBoundingBoxes(true);
|
||||
PDFDocumentTextFlow rightTextFlow = factoryRightDocumentTextFlow.create(m_rightDocument, rightPages, PDFDocumentTextFlowFactory::Algorithm::Auto);
|
||||
stepProgress();
|
||||
|
||||
// StepCompare
|
||||
stepProgress();
|
||||
|
||||
if (m_progress)
|
||||
{
|
||||
m_progress->finish();
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
void PDFDiff::stepProgress()
|
||||
{
|
||||
if (m_progress)
|
||||
{
|
||||
m_progress->step();
|
||||
}
|
||||
}
|
||||
|
||||
void PDFDiff::onComparationPerformed()
|
||||
{
|
||||
m_cancelled = false;
|
||||
m_result = m_future.result();
|
||||
emit comparationFinished();
|
||||
}
|
||||
|
||||
PDFDiffResult::PDFDiffResult() :
|
||||
m_result(true)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
} // namespace pdf
|
||||
|
||||
@ -19,14 +19,32 @@
|
||||
#define PDFDIFF_H
|
||||
|
||||
#include "pdfdocument.h"
|
||||
#include "pdfprogress.h"
|
||||
#include "pdfutils.h"
|
||||
|
||||
#include <QObject>
|
||||
#include <QFuture>
|
||||
#include <QFutureWatcher>
|
||||
|
||||
#include <atomic>
|
||||
|
||||
namespace pdf
|
||||
{
|
||||
|
||||
class PDFDiffResult
|
||||
{
|
||||
public:
|
||||
explicit PDFDiffResult();
|
||||
|
||||
void setResult(PDFOperationResult result) { m_result = std::move(result); }
|
||||
const PDFOperationResult& getResult() const { return m_result; }
|
||||
|
||||
private:
|
||||
PDFOperationResult m_result;
|
||||
};
|
||||
|
||||
/// Diff engine for comparing two pdf documents.
|
||||
class PDFDiff : public QObject
|
||||
class PDF4QTLIBSHARED_EXPORT PDFDiff : public QObject
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
@ -35,19 +53,84 @@ private:
|
||||
|
||||
public:
|
||||
explicit PDFDiff(QObject* parent);
|
||||
virtual ~PDFDiff() override;
|
||||
|
||||
enum Option
|
||||
{
|
||||
None = 0x0000,
|
||||
Asynchronous = 0x0001, ///< Compare document asynchronously
|
||||
};
|
||||
Q_DECLARE_FLAGS(Options, Option)
|
||||
|
||||
/// Source document (left)
|
||||
/// \param leftDocument Document
|
||||
void setLeftDocument(const PDFDocument* leftDocument);
|
||||
|
||||
/// Source document (right)(
|
||||
/// \param rightDocument Document
|
||||
void setRightDocument(const PDFDocument* rightDocument);
|
||||
|
||||
/// Clears data (but not source document pointers,
|
||||
/// for them, use setters), also stops comparing engine.
|
||||
void clear();
|
||||
/// Source pages to be compared (left document)
|
||||
/// \param pagesForLeftDocument Page indices
|
||||
void setPagesForLeftDocument(PDFClosedIntervalSet pagesForLeftDocument);
|
||||
|
||||
/// Source pages to be compared (right document)
|
||||
/// \param pagesForRightDocument Page indices
|
||||
void setPagesForRightDocument(PDFClosedIntervalSet pagesForRightDocument);
|
||||
|
||||
/// Sets progress object
|
||||
/// \param progress Progress object
|
||||
void setProgress(PDFProgress* progress) { m_progress = progress; }
|
||||
|
||||
/// Enables or disables comparator engine option
|
||||
/// \param option Option
|
||||
/// \param enable Enable or disable option?
|
||||
void setOption(Option option, bool enable) { m_options.setFlag(option, enable); }
|
||||
|
||||
/// Starts comparator engine. If asynchronous engine option
|
||||
/// is enabled, then separate thread is started, in which two
|
||||
/// document is compared, and then signal \p comparationFinished,
|
||||
/// otherwise this function is blocking until comparation process
|
||||
/// is finished.
|
||||
void start();
|
||||
|
||||
/// Stops comparator engine. Result data are cleared.
|
||||
void stop();
|
||||
|
||||
/// Returns result of a comparation process
|
||||
const PDFDiffResult& getResult() const { return m_result; }
|
||||
|
||||
signals:
|
||||
void comparationFinished();
|
||||
|
||||
private:
|
||||
void stopEngine();
|
||||
|
||||
enum Steps
|
||||
{
|
||||
StepExtractContentLeftDocument,
|
||||
StepExtractContentRightDocument,
|
||||
StepExtractTextLeftDocument,
|
||||
StepExtractTextRightDocument,
|
||||
StepCompare,
|
||||
StepLast
|
||||
};
|
||||
|
||||
PDFDiffResult perform();
|
||||
void stepProgress();
|
||||
|
||||
void onComparationPerformed();
|
||||
|
||||
PDFProgress* m_progress;
|
||||
const PDFDocument* m_leftDocument;
|
||||
const PDFDocument* m_rightDocument;
|
||||
PDFClosedIntervalSet m_pagesForLeftDocument;
|
||||
PDFClosedIntervalSet m_pagesForRightDocument;
|
||||
Options m_options;
|
||||
std::atomic_bool m_cancelled;
|
||||
PDFDiffResult m_result;
|
||||
|
||||
QFuture<PDFDiffResult> m_future;
|
||||
std::optional<QFutureWatcher<PDFDiffResult>> m_futureWatcher;
|
||||
};
|
||||
|
||||
} // namespace pdf
|
||||
|
||||
@ -367,6 +367,15 @@ std::vector<PDFInteger> PDFClosedIntervalSet::unfold() const
|
||||
return result;
|
||||
}
|
||||
|
||||
void PDFClosedIntervalSet::translate(PDFInteger offset)
|
||||
{
|
||||
for (auto& interval : m_intervals)
|
||||
{
|
||||
interval.first += offset;
|
||||
interval.second += offset;
|
||||
}
|
||||
}
|
||||
|
||||
PDFClosedIntervalSet PDFClosedIntervalSet::parse(PDFInteger first, PDFInteger last, const QString& text, QString* errorMessage)
|
||||
{
|
||||
PDFClosedIntervalSet result;
|
||||
|
||||
@ -694,6 +694,10 @@ public:
|
||||
/// Returns true, if interval set is empty
|
||||
bool isEmpty() const { return m_intervals.empty(); }
|
||||
|
||||
/// Translates interval set by a given offset
|
||||
/// \param offset Offset
|
||||
void translate(PDFInteger offset);
|
||||
|
||||
/// Parses text into closed interval set, text should be in form "1,3,4,7,-11,12-,52-53,-",
|
||||
/// where 1,3,4,7 means single pages, -11 means range from \p first to 11, 12- means range
|
||||
/// from 12 to \p last, and 52-53 means closed interval [52, 53]. If text is not in this form,
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user