paging for pdfpreviews
This commit is contained in:
джерело
fae104d094
коміт
582abc333f
@ -17,260 +17,277 @@
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#include "../shared/sqlitesearch.h"
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#include "../shared/qssgeneralexception.h"
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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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QMainWindow(parent),
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ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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ui->setupUi(this);
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QSettings settings;
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db = QSqlDatabase::addDatabase("QSQLITE");
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db.setDatabaseName(QSettings().value("dbpath").toString());
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if(!db.open())
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{
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qDebug() << "failed to open database";
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throw std::runtime_error("Failed to open database");
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}
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connectSignals();
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ui->treeResultsList->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
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ui->tabWidget->setCurrentIndex(0);
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ui->statusBar->addWidget(ui->lblSearchResults);
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ui->statusBar->addWidget(ui->pdfProcessBar);
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ui->pdfProcessBar->hide();
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QSettings settings;
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ui->comboScale->setCurrentText(settings.value("currentScale").toString());
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db = QSqlDatabase::addDatabase("QSQLITE");
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db.setDatabaseName(settings.value("dbpath").toString());
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if(!db.open())
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{
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qDebug() << "failed to open database";
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throw std::runtime_error("Failed to open database");
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}
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connectSignals();
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ui->treeResultsList->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
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ui->tabWidget->setCurrentIndex(0);
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ui->statusBar->addWidget(ui->lblSearchResults);
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ui->statusBar->addWidget(ui->pdfProcessBar);
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ui->pdfProcessBar->hide();
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ui->comboScale->setCurrentText(settings.value("currentScale").toString());
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pdfPreviewsPerPage = settings.value("pdfPreviewsPerPage", 20).toInt();
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ui->spinPdfPreviewPage->setMinimum(1);
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}
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void MainWindow::connectSignals()
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{
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connect(ui->txtSearch, &QLineEdit::returnPressed, this, &MainWindow::lineEditReturnPressed);
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connect(&searchWatcher, &QFutureWatcher<SearchResult>::finished, this, [&]{
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try
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{
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auto results = searchWatcher.future().result();
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handleSearchResults(results);
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}
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catch(QSSGeneralException &e)
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{
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handleSearchError(e.message);
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}
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connect(ui->txtSearch, &QLineEdit::returnPressed, this, &MainWindow::lineEditReturnPressed);
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connect(&searchWatcher, &QFutureWatcher<SearchResult>::finished, this, [&]{
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try
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{
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auto results = searchWatcher.future().result();
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handleSearchResults(results);
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}
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catch(QSSGeneralException &e)
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{
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handleSearchError(e.message);
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}
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});
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});
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connect(&pdfWorkerWatcher, &QFutureWatcher<PdfPreview>::resultReadyAt, this, [&](int index) {
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pdfPreviewReceived(pdfWorkerWatcher.resultAt(index));
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});
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connect(&pdfWorkerWatcher, &QFutureWatcher<PdfPreview>::progressValueChanged, ui->pdfProcessBar, &QProgressBar::setValue);
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connect(ui->treeResultsList, &QTreeWidget::itemActivated, this, &MainWindow::treeSearchItemActivated);
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connect(ui->treeResultsList, &QTreeWidget::customContextMenuRequested, this, &MainWindow::showSearchResultsContextMenu);
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connect(ui->tabWidget, &QTabWidget::currentChanged, this, &MainWindow::tabChanged);
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connect(ui->comboScale, qOverload<const QString &>(&QComboBox::currentIndexChanged), this, &MainWindow::comboScaleChanged);
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connect(&pdfWorkerWatcher, &QFutureWatcher<PdfPreview>::resultReadyAt, this, [&](int index) {
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pdfPreviewReceived(pdfWorkerWatcher.resultAt(index));
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});
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connect(&pdfWorkerWatcher, &QFutureWatcher<PdfPreview>::progressValueChanged, ui->pdfProcessBar, &QProgressBar::setValue);
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connect(ui->treeResultsList, &QTreeWidget::itemActivated, this, &MainWindow::treeSearchItemActivated);
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connect(ui->treeResultsList, &QTreeWidget::customContextMenuRequested, this, &MainWindow::showSearchResultsContextMenu);
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connect(ui->tabWidget, &QTabWidget::currentChanged, this, &MainWindow::tabChanged);
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connect(ui->comboScale, qOverload<const QString &>(&QComboBox::currentIndexChanged), this, &MainWindow::comboScaleChanged);
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connect(ui->spinPdfPreviewPage, qOverload<int>(&QSpinBox::valueChanged), this, &MainWindow::spinPdfPreviewPageValueChanged);
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}
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void MainWindow::spinPdfPreviewPageValueChanged(int val)
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{
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makePdfPreview(val);
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}
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void MainWindow::comboScaleChanged(QString text)
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{
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QSettings scaleSetting;
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scaleSetting.setValue("currentScale", ui->comboScale->currentText());
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makePdfPreview();
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QSettings scaleSetting;
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scaleSetting.setValue("currentScale", ui->comboScale->currentText());
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makePdfPreview(ui->spinPdfPreviewPage->value());
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}
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bool MainWindow::pdfTabActive()
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{
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return ui->tabWidget->currentIndex() == 1;
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return ui->tabWidget->currentIndex() == 1;
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}
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void MainWindow::keyPressEvent(QKeyEvent *event)
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{
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bool quit = ((event->modifiers() & Qt::ControlModifier && event->key() == Qt::Key_Q) || event->key() == Qt::Key_Escape);
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if(quit)
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{
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qApp->quit();
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}
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bool quit = ((event->modifiers() & Qt::ControlModifier && event->key() == Qt::Key_Q) || event->key() == Qt::Key_Escape);
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if(quit)
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{
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qApp->quit();
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}
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if(event->modifiers() & Qt::ControlModifier)
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{
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if(event->modifiers() & Qt::ControlModifier)
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{
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if(event->key() == Qt::Key_L)
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{
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ui->txtSearch->setFocus();
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ui->txtSearch->selectAll();
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}
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}
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QWidget::keyPressEvent(event);
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if(event->key() == Qt::Key_L)
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{
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ui->txtSearch->setFocus();
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ui->txtSearch->selectAll();
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}
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}
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QWidget::keyPressEvent(event);
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}
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void MainWindow::tabChanged()
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{
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if(pdfTabActive())
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{
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if(pdfDirty)
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{
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makePdfPreview();
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}
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ui->pdfProcessBar->show();
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}
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else
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{
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ui->pdfProcessBar->hide();
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}
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if(pdfTabActive())
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{
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if(pdfDirty)
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{
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makePdfPreview(ui->spinPdfPreviewPage->value());
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}
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ui->pdfProcessBar->show();
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}
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else
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{
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ui->pdfProcessBar->hide();
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}
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}
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void MainWindow::pdfPreviewReceived(PdfPreview preview)
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{
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if(preview.hasPreviewImage())
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{
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ClickLabel *label = new ClickLabel();
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label->setPixmap(QPixmap::fromImage(preview.previewImage));
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label->setToolTip(preview.documentPath);
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ui->scrollAreaWidgetContents->layout()->addWidget(label);
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connect(label, &ClickLabel::leftClick, [=]() {
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QSettings settings;
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QString command = settings.value("pdfviewer").toString();
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if(command != "" && command.contains("%p") && command.contains("%f"))
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{
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QStringList splitted = command.split(" ");
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if(splitted.size() > 1)
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{
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QString cmd = splitted[0];
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QStringList args = splitted.mid(1);
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args.replaceInStrings("%f", preview.documentPath);
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args.replaceInStrings("%p", QString::number(preview.page));
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if(preview.hasPreviewImage())
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{
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ClickLabel *label = new ClickLabel();
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label->setPixmap(QPixmap::fromImage(preview.previewImage));
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label->setToolTip(preview.documentPath);
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ui->scrollAreaWidgetContents->layout()->addWidget(label);
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connect(label, &ClickLabel::leftClick, [=]() {
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QSettings settings;
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QString command = settings.value("pdfviewer").toString();
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if(command != "" && command.contains("%p") && command.contains("%f"))
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{
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QStringList splitted = command.split(" ");
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if(splitted.size() > 1)
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{
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QString cmd = splitted[0];
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QStringList args = splitted.mid(1);
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args.replaceInStrings("%f", preview.documentPath);
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args.replaceInStrings("%p", QString::number(preview.page));
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QProcess::startDetached(cmd, args);
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}
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}
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else
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{
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QDesktopServices::openUrl(QUrl::fromLocalFile(preview.documentPath));
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}
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});
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}
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QProcess::startDetached(cmd, args);
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}
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}
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else
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{
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QDesktopServices::openUrl(QUrl::fromLocalFile(preview.documentPath));
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}
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});
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}
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}
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void MainWindow::lineEditReturnPressed()
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{
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QString q = ui->txtSearch->text();
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if(!QSSQuery::checkParanthesis(q))
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{
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ui->lblSearchResults->setText("Invalid paranthesis");
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return;
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}
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//TODO: validate q;
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ui->lblSearchResults->setText("Searching...");
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searchWatcher.cancel();
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searchWatcher.waitForFinished();
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QFuture<QVector<SearchResult>> searchFuture = QtConcurrent::run([&, q]() {
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SqliteSearch searcher(db);
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this->currentQuery = QSSQuery::build(q);
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return searcher.search(this->currentQuery);
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});
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searchWatcher.setFuture(searchFuture);
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QString q = ui->txtSearch->text();
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if(!QSSQuery::checkParanthesis(q))
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{
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ui->lblSearchResults->setText("Invalid paranthesis");
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return;
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}
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//TODO: validate q;
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ui->lblSearchResults->setText("Searching...");
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searchWatcher.cancel();
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searchWatcher.waitForFinished();
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QFuture<QVector<SearchResult>> searchFuture = QtConcurrent::run([&, q]() {
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SqliteSearch searcher(db);
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this->currentQuery = QSSQuery::build(q);
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return searcher.search(this->currentQuery);
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});
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searchWatcher.setFuture(searchFuture);
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}
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void MainWindow::handleSearchResults(const QVector<SearchResult> &results)
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{
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this->pdfSearchResults.clear();
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ui->treeResultsList->clear();
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ui->lblSearchResults->setText("Results: " + QString::number(results.size()));
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for(const SearchResult &result : results)
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{
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QFileInfo pathInfo(result.fileData.absPath);
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QString fileName =pathInfo.fileName();
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QTreeWidgetItem *item = new QTreeWidgetItem(ui->treeResultsList);
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this->pdfSearchResults.clear();
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ui->treeResultsList->clear();
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ui->lblSearchResults->setText("Results: " + QString::number(results.size()));
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for(const SearchResult &result : results)
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{
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QFileInfo pathInfo(result.fileData.absPath);
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QString fileName =pathInfo.fileName();
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QTreeWidgetItem *item = new QTreeWidgetItem(ui->treeResultsList);
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QDateTime dt = QDateTime::fromSecsSinceEpoch(result.fileData.mtime);
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item->setIcon(0, iconProvider.icon(pathInfo));
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item->setText(0, fileName);
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item->setText(1, result.fileData.absPath);
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item->setText(2, dt.toString(Qt::ISODate));
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item->setText(3, this->locale().formattedDataSize(result.fileData.size));
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if(result.fileData.absPath.endsWith(".pdf"))
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{
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this->pdfSearchResults.append(result);
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}
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}
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ui->treeResultsList->resizeColumnToContents(0);
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ui->treeResultsList->resizeColumnToContents(1);
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pdfDirty = ! this->pdfSearchResults.empty();
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if(pdfTabActive() && pdfDirty)
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{
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makePdfPreview();
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}
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QDateTime dt = QDateTime::fromSecsSinceEpoch(result.fileData.mtime);
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item->setIcon(0, iconProvider.icon(pathInfo));
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item->setText(0, fileName);
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item->setText(1, result.fileData.absPath);
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item->setText(2, dt.toString(Qt::ISODate));
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item->setText(3, this->locale().formattedDataSize(result.fileData.size));
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if(result.fileData.absPath.endsWith(".pdf"))
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{
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this->pdfSearchResults.append(result);
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}
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}
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ui->treeResultsList->resizeColumnToContents(0);
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ui->treeResultsList->resizeColumnToContents(1);
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pdfDirty = ! this->pdfSearchResults.empty();
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int numpages = ceil(static_cast<double>(this->pdfSearchResults.size()) / pdfPreviewsPerPage);
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ui->spinPdfPreviewPage->setMinimum(1);
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ui->spinPdfPreviewPage->setMaximum(numpages);
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ui->spinPdfPreviewPage->setValue(1);
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if(pdfTabActive() && pdfDirty)
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{
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makePdfPreview(1);
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}
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}
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void MainWindow::makePdfPreview()
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void MainWindow::makePdfPreview(int page)
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{
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this->pdfWorkerWatcher.cancel();
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this->pdfWorkerWatcher.waitForFinished();
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this->pdfWorkerWatcher.cancel();
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this->pdfWorkerWatcher.waitForFinished();
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QCoreApplication::processEvents(); //Maybe not necessary anymore, depends on whether it's possible that a slot is still to be fired.
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qDeleteAll(ui->scrollAreaWidgetContents->children());
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QCoreApplication::processEvents(); //Maybe not necessary anymore, depends on whether it's possible that a slot is still to be fired.
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qDeleteAll(ui->scrollAreaWidgetContents->children());
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ui->scrollAreaWidgetContents->setLayout(new QHBoxLayout());
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ui->pdfProcessBar->setMaximum(this->pdfSearchResults.size());
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processedPdfPreviews = 0;
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QString scaleText = ui->comboScale->currentText();
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scaleText.chop(1);
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ui->scrollAreaWidgetContents->setLayout(new QHBoxLayout());
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ui->pdfProcessBar->setMaximum(this->pdfSearchResults.size());
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processedPdfPreviews = 0;
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QString scaleText = ui->comboScale->currentText();
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scaleText.chop(1);
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QVector<QString> wordsToHighlight;
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QRegularExpression extractor(R"#("([^"]*)"|(\w+))#");
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for(const Token &token : this->currentQuery.getTokens())
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{
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if(token.type == FILTER_CONTENT_CONTAINS)
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{
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QRegularExpressionMatchIterator i = extractor.globalMatch(token.value);
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while(i.hasNext())
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{
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QRegularExpressionMatch m = i.next();
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QString value = m.captured(1);
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if(value.isEmpty())
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{
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value = m.captured(2);
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}
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wordsToHighlight.append(value);
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QVector<QString> wordsToHighlight;
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QRegularExpression extractor(R"#("([^"]*)"|(\w+))#");
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for(const Token &token : this->currentQuery.getTokens())
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{
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if(token.type == FILTER_CONTENT_CONTAINS)
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{
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QRegularExpressionMatchIterator i = extractor.globalMatch(token.value);
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while(i.hasNext())
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{
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QRegularExpressionMatch m = i.next();
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QString value = m.captured(1);
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if(value.isEmpty())
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{
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value = m.captured(2);
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}
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wordsToHighlight.append(value);
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}
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}
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}
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PdfWorker worker;
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this->pdfWorkerWatcher.setFuture(worker.generatePreviews(this->pdfSearchResults, wordsToHighlight, scaleText.toInt() / 100.));
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ui->pdfProcessBar->setMaximum(this->pdfWorkerWatcher.progressMaximum());
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ui->pdfProcessBar->setMinimum(this->pdfWorkerWatcher.progressMinimum());
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}
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}
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}
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PdfWorker worker;
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int end = pdfPreviewsPerPage;
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int begin = page * pdfPreviewsPerPage - pdfPreviewsPerPage;
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this->pdfWorkerWatcher.setFuture(worker.generatePreviews(this->pdfSearchResults.mid(begin, end), wordsToHighlight, scaleText.toInt() / 100.));
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ui->pdfProcessBar->setMaximum(this->pdfWorkerWatcher.progressMaximum());
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ui->pdfProcessBar->setMinimum(this->pdfWorkerWatcher.progressMinimum());
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}
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void MainWindow::handleSearchError(QString error)
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{
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ui->lblSearchResults->setText("Error:" + error);
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ui->lblSearchResults->setText("Error:" + error);
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}
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void MainWindow::treeSearchItemActivated(QTreeWidgetItem *item, int i)
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{
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QDesktopServices::openUrl(QUrl::fromLocalFile(item->text(1)));
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QDesktopServices::openUrl(QUrl::fromLocalFile(item->text(1)));
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}
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void MainWindow::showSearchResultsContextMenu(const QPoint &point)
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{
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QTreeWidgetItem *item = ui->treeResultsList->itemAt(point);
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if(item == nullptr)
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{
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return;
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}
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QMenu menu("SearchResult", this);
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menu.addAction("Copy filename to clipboard", [&] { QGuiApplication::clipboard()->setText(item->text(0));});
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menu.addAction("Copy full path to clipboard", [&] { QGuiApplication::clipboard()->setText(item->text(1)); });
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menu.addAction("Open containing folder", [&] {
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QFileInfo pathinfo(item->text(1));
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QString dir = pathinfo.absolutePath();
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QDesktopServices::openUrl(QUrl::fromLocalFile(dir));
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QTreeWidgetItem *item = ui->treeResultsList->itemAt(point);
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if(item == nullptr)
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{
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return;
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}
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QMenu menu("SearchResult", this);
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menu.addAction("Copy filename to clipboard", [&] { QGuiApplication::clipboard()->setText(item->text(0));});
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menu.addAction("Copy full path to clipboard", [&] { QGuiApplication::clipboard()->setText(item->text(1)); });
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menu.addAction("Open containing folder", [&] {
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QFileInfo pathinfo(item->text(1));
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QString dir = pathinfo.absolutePath();
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QDesktopServices::openUrl(QUrl::fromLocalFile(dir));
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});
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menu.exec(QCursor::pos());
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});
|
||||
menu.exec(QCursor::pos());
|
||||
}
|
||||
|
||||
|
||||
MainWindow::~MainWindow()
|
||||
{
|
||||
delete ui;
|
||||
delete ui;
|
||||
}
|
||||
|
||||
|
||||
@ -34,13 +34,14 @@ private:
|
||||
void add(QString path, unsigned int page);
|
||||
QVector<SearchResult> pdfSearchResults;
|
||||
void connectSignals();
|
||||
void makePdfPreview();
|
||||
void makePdfPreview(int page);
|
||||
bool pdfTabActive();
|
||||
void keyPressEvent(QKeyEvent *event) override;
|
||||
unsigned int processedPdfPreviews;
|
||||
void handleSearchResults(const QVector<SearchResult> &results);
|
||||
void handleSearchError(QString error);
|
||||
QSSQuery currentQuery;
|
||||
int pdfPreviewsPerPage;
|
||||
private slots:
|
||||
void lineEditReturnPressed();
|
||||
void treeSearchItemActivated(QTreeWidgetItem *item, int i);
|
||||
@ -48,7 +49,7 @@ private slots:
|
||||
void tabChanged();
|
||||
void pdfPreviewReceived(PdfPreview preview);
|
||||
void comboScaleChanged(QString text);
|
||||
|
||||
void spinPdfPreviewPageValueChanged(int val);
|
||||
};
|
||||
|
||||
#endif // MAINWINDOW_H
|
||||
|
||||
@ -148,6 +148,26 @@
|
||||
</property>
|
||||
</spacer>
|
||||
</item>
|
||||
<item>
|
||||
<widget class="QLabel" name="lblPdfPreviewPage">
|
||||
<property name="text">
|
||||
<string>Page:</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item>
|
||||
<widget class="QSpinBox" name="spinPdfPreviewPage">
|
||||
<property name="buttonSymbols">
|
||||
<enum>QAbstractSpinBox::PlusMinus</enum>
|
||||
</property>
|
||||
<property name="accelerated">
|
||||
<bool>false</bool>
|
||||
</property>
|
||||
<property name="showGroupSeparator" stdset="0">
|
||||
<bool>false</bool>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</item>
|
||||
</layout>
|
||||
|
||||
Завантаження…
Посилання в новій задачі
Block a user