looqs/gui/mainwindow.cpp

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#include <poppler-qt5.h>
#include <QLabel>
#include <QtDebug>
#include <QFileInfo>
#include <QDesktopServices>
#include <QUrl>
#include <QClipboard>
#include <QtGlobal>
#include <QSettings>
#include <QDateTime>
#include <QProcess>
#include <QComboBox>
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#include <QtConcurrent/QtConcurrent>
#include <QMessageBox>
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "clicklabel.h"
#include "../shared/sqlitesearch.h"
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#include "../shared/looqsgeneralexception.h"
#include "../shared/common.h"
MainWindow::MainWindow(QWidget *parent, IPCClient &client) : QMainWindow(parent), ui(new Ui::MainWindow)
{
ui->setupUi(this);
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setWindowTitle(QCoreApplication::applicationName());
this->ipcClient = &client;
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QSettings settings;
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this->dbFactory = new DatabaseFactory(Common::databasePath());
db = this->dbFactory->forCurrentThread();
this->dbService = new SqliteDbService(*this->dbFactory);
indexer = new Indexer(*(this->dbService));
indexer->setParent(this);
connectSignals();
ui->treeResultsList->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
ui->tabWidget->setCurrentIndex(0);
ui->statusBar->addWidget(ui->lblSearchResults);
ui->statusBar->addWidget(ui->previewProcessBar);
ui->previewProcessBar->hide();
ui->comboScale->setCurrentText(settings.value("currentScale").toString());
previewsPerPage = settings.value("previewsPerPage", 20).toInt();
ui->spinPreviewPage->setMinimum(1);
QStringList indexPaths = settings.value("indexPaths").toStringList();
ui->lstPaths->addItems(indexPaths);
}
void MainWindow::addPathToIndex()
{
QString path = this->ui->txtPathScanAdd->text();
QFileInfo fileInfo{path};
if(!fileInfo.exists(path))
{
QMessageBox::critical(this, "Invalid path", "Path does not seem to exist");
return;
}
if(!fileInfo.isReadable())
{
QMessageBox::critical(this, "Invalid path", "Path cannot be read");
return;
}
this->ui->lstPaths->addItem(path);
this->ui->txtPathScanAdd->clear();
}
void MainWindow::connectSignals()
{
connect(ui->txtSearch, &QLineEdit::returnPressed, this, &MainWindow::lineEditReturnPressed);
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connect(&searchWatcher, &QFutureWatcher<SearchResult>::finished, this,
[&]
{
try
{
this->ui->txtSearch->setEnabled(true);
auto results = searchWatcher.future().result();
handleSearchResults(results);
}
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catch(LooqsGeneralException &e)
{
handleSearchError(e.message);
}
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});
connect(&previewWorkerWatcher, &QFutureWatcher<QSharedPointer<PreviewResult>>::resultReadyAt, this,
[&](int index) { previewReceived(previewWorkerWatcher.resultAt(index)); });
connect(&previewWorkerWatcher, &QFutureWatcher<QSharedPointer<PreviewResult>>::progressValueChanged,
ui->previewProcessBar, &QProgressBar::setValue);
connect(&previewWorkerWatcher, &QFutureWatcher<QSharedPointer<PreviewResult>>::started, this,
[&] { ui->indexerTab->setEnabled(false); });
connect(&previewWorkerWatcher, &QFutureWatcher<QSharedPointer<PreviewResult>>::finished, this,
[&] { ui->indexerTab->setEnabled(true); });
connect(ui->treeResultsList, &QTreeWidget::itemActivated, this, &MainWindow::treeSearchItemActivated);
connect(ui->treeResultsList, &QTreeWidget::customContextMenuRequested, this,
&MainWindow::showSearchResultsContextMenu);
connect(ui->tabWidget, &QTabWidget::currentChanged, this, &MainWindow::tabChanged);
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connect(ui->comboScale, qOverload<int>(&QComboBox::currentIndexChanged), this, &MainWindow::comboScaleChanged);
connect(ui->spinPreviewPage, qOverload<int>(&QSpinBox::valueChanged), this,
&MainWindow::spinPreviewPageValueChanged);
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connect(ui->btnAddPath, &QPushButton::clicked, this, &MainWindow::addPathToIndex);
connect(ui->txtPathScanAdd, &QLineEdit::returnPressed, this, &MainWindow::addPathToIndex);
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connect(ui->btnStartIndexing, &QPushButton::clicked, this, &MainWindow::startIndexing);
connect(this->indexer, &Indexer::pathsCountChanged, this,
[&](int number)
{
ui->lblSearchResults->setText("Found paths: " + QString::number(number));
ui->lblPathsFoundValue->setText(QString::number(number));
ui->previewProcessBar->setMaximum(number);
});
connect(this->indexer, &Indexer::indexProgress, this,
[&](int number, unsigned int added, unsigned int skipped, unsigned int failed, unsigned int totalCount)
{
ui->lblSearchResults->setText("Processed " + QString::number(number) + " files");
ui->previewProcessBar->setValue(number);
ui->previewProcessBar->setMaximum(totalCount);
ui->lblAddedValue->setText(QString::number(added));
ui->lblSkippedValue->setText(QString::number(skipped));
ui->lblFailedValue->setText(QString::number(failed));
});
connect(this->indexer, &Indexer::finished, this, &MainWindow::finishIndexing);
connect(ui->lstPaths->selectionModel(), &QItemSelectionModel::selectionChanged, this,
[&](const QItemSelection &selected, const QItemSelection &deselected)
{ ui->btnDeletePath->setEnabled(this->ui->lstPaths->selectedItems().count() > 0); });
connect(ui->btnDeletePath, &QPushButton::clicked, this, [&] { qDeleteAll(ui->lstPaths->selectedItems()); });
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}
void MainWindow::spinPreviewPageValueChanged(int val)
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{
makePreviews(val);
}
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void MainWindow::startIndexing()
{
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if(this->indexer->isRunning())
{
ui->btnStartIndexing->setEnabled(false);
ui->btnStartIndexing->setText("Start indexing");
this->indexer->requestCancellation();
return;
}
ui->previewsTab->setEnabled(false);
ui->resultsTab->setEnabled(false);
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ui->txtPathScanAdd->setEnabled(false);
ui->txtSearch->setEnabled(false);
ui->previewProcessBar->setValue(0);
ui->previewProcessBar->setVisible(true);
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QVector<QString> paths;
QStringList pathSettingsValue;
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for(int i = 0; i < ui->lstPaths->count(); i++)
{
QString path = ui->lstPaths->item(i)->text();
paths.append(path);
pathSettingsValue.append(path);
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}
this->indexer->setTargetPaths(paths);
this->indexer->beginIndexing();
QSettings settings;
settings.setValue("indexPaths", pathSettingsValue);
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ui->btnStartIndexing->setText("Stop indexing");
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}
void MainWindow::finishIndexing()
{
IndexResult result = this->indexer->getResult();
ui->lblSearchResults->setText("Indexing finished");
ui->previewProcessBar->setValue(ui->previewProcessBar->maximum());
ui->lblFailedValue->setText(QString::number(result.erroredPaths));
ui->lblSkippedValue->setText(QString::number(result.skippedPaths));
ui->lblAddedValue->setText(QString::number(result.addedPaths));
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ui->btnStartIndexing->setEnabled(true);
ui->btnStartIndexing->setText("Start indexing");
ui->previewsTab->setEnabled(true);
ui->resultsTab->setEnabled(true);
ui->txtPathScanAdd->setEnabled(true);
ui->txtSearch->setEnabled(true);
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}
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void MainWindow::comboScaleChanged(int i)
{
QSettings scaleSetting;
scaleSetting.setValue("currentScale", ui->comboScale->currentText());
makePreviews(ui->spinPreviewPage->value());
}
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bool MainWindow::previewTabActive()
{
return ui->tabWidget->currentIndex() == 1;
}
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bool MainWindow::indexerTabActive()
{
return ui->tabWidget->currentIndex() == 2;
}
void MainWindow::keyPressEvent(QKeyEvent *event)
{
bool quit =
((event->modifiers() & Qt::ControlModifier && event->key() == Qt::Key_Q) || event->key() == Qt::Key_Escape);
if(quit)
{
qApp->quit();
}
if(event->modifiers() & Qt::ControlModifier)
{
if(event->key() == Qt::Key_L)
{
ui->txtSearch->setFocus();
ui->txtSearch->selectAll();
}
}
QWidget::keyPressEvent(event);
}
void MainWindow::tabChanged()
{
if(ui->tabWidget->currentIndex() == 0)
{
ui->previewProcessBar->hide();
}
else
{
if(ui->previewProcessBar->value() > 0)
{
ui->previewProcessBar->show();
}
}
if(previewTabActive())
{
if(previewDirty)
{
makePreviews(ui->spinPreviewPage->value());
}
}
}
void MainWindow::previewReceived(QSharedPointer<PreviewResult> preview)
{
if(preview->hasPreview())
{
QString docPath = preview->getDocumentPath();
auto previewPage = preview->getPage();
ClickLabel *label = dynamic_cast<ClickLabel *>(preview->createPreviewWidget());
ui->scrollAreaWidgetContents->layout()->addWidget(label);
connect(label, &ClickLabel::leftClick, [this, docPath, previewPage]() { ipcDocOpen(docPath, previewPage); });
connect(label, &ClickLabel::rightClick,
[this, docPath, previewPage]()
{
QFileInfo fileInfo{docPath};
QMenu menu("labeRightClick", this);
createSearchResutlMenu(menu, fileInfo);
menu.addAction("Copy page number", [previewPage]
{ QGuiApplication::clipboard()->setText(QString::number(previewPage)); });
menu.exec(QCursor::pos());
});
}
}
void MainWindow::lineEditReturnPressed()
{
QString q = ui->txtSearch->text();
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if(!LooqsQuery::checkParanthesis(q))
{
ui->lblSearchResults->setText("Invalid paranthesis");
return;
}
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// TODO: validate q;
ui->treeResultsList->clear();
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ui->lblSearchResults->setText("Searching...");
this->ui->txtSearch->setEnabled(false);
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QFuture<QVector<SearchResult>> searchFuture = QtConcurrent::run(
[&, q]()
{
SqliteSearch searcher(db);
QVector<SearchResult> results;
this->contentSearchQuery = LooqsQuery::build(q, TokenType::FILTER_CONTENT_CONTAINS, true);
/* We can have a path search in contentsearch too (if given explicitly), so no need to do it twice.
Make sure path results are listed first. */
bool addContentSearch = this->contentSearchQuery.hasContentSearch();
bool addPathSearch = !this->contentSearchQuery.hasPathSearch() || !addContentSearch;
if(addPathSearch)
{
LooqsQuery filesQuery = LooqsQuery::build(q, TokenType::FILTER_PATH_CONTAINS, false);
results.append(searcher.search(filesQuery));
}
if(addContentSearch)
{
results.append(searcher.search(this->contentSearchQuery));
}
return results;
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});
searchWatcher.setFuture(searchFuture);
}
void MainWindow::handleSearchResults(const QVector<SearchResult> &results)
{
this->previewableSearchResults.clear();
ui->treeResultsList->clear();
bool hasDeleted = false;
for(const SearchResult &result : results)
{
QFileInfo pathInfo(result.fileData.absPath);
QString fileName = pathInfo.fileName();
QTreeWidgetItem *item = new QTreeWidgetItem(ui->treeResultsList);
QDateTime dt = QDateTime::fromSecsSinceEpoch(result.fileData.mtime);
item->setIcon(0, iconProvider.icon(pathInfo));
item->setText(0, fileName);
item->setText(1, result.fileData.absPath);
item->setText(2, dt.toString(Qt::ISODate));
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item->setText(3, this->locale().formattedDataSize(result.fileData.size));
bool exists = pathInfo.exists();
if(exists)
{
if(PreviewGenerator::get(pathInfo) != nullptr)
{
this->previewableSearchResults.append(result);
}
}
else
{
hasDeleted = true;
}
}
ui->treeResultsList->resizeColumnToContents(0);
ui->treeResultsList->resizeColumnToContents(1);
previewDirty = !this->previewableSearchResults.empty();
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int numpages = ceil(static_cast<double>(this->previewableSearchResults.size()) / previewsPerPage);
ui->spinPreviewPage->setMinimum(1);
ui->spinPreviewPage->setMaximum(numpages);
ui->spinPreviewPage->setValue(1);
if(previewTabActive() && previewDirty)
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{
makePreviews(1);
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}
QString statusText = "Results: " + QString::number(results.size()) + " files";
if(hasDeleted)
{
statusText += " WARNING: Some files don't exist anymore. No preview available for those. Index out of sync";
}
ui->lblSearchResults->setText(statusText);
}
void MainWindow::makePreviews(int page)
{
this->previewWorkerWatcher.cancel();
this->previewWorkerWatcher.waitForFinished();
QCoreApplication::processEvents(); // Maybe not necessary anymore, depends on whether it's possible that a slot is
// still to be fired.
qDeleteAll(ui->scrollAreaWidgetContents->children());
ui->scrollAreaWidgetContents->setLayout(new QHBoxLayout());
ui->previewProcessBar->setMaximum(this->previewableSearchResults.size());
processedPdfPreviews = 0;
QString scaleText = ui->comboScale->currentText();
scaleText.chop(1);
QVector<QString> wordsToHighlight;
QRegularExpression extractor(R"#("([^"]*)"|(\w+))#");
for(const Token &token : this->contentSearchQuery.getTokens())
{
if(token.type == FILTER_CONTENT_CONTAINS)
{
QRegularExpressionMatchIterator i = extractor.globalMatch(token.value);
while(i.hasNext())
{
QRegularExpressionMatch m = i.next();
QString value = m.captured(1);
if(value.isEmpty())
{
value = m.captured(2);
}
wordsToHighlight.append(value);
}
}
}
PreviewWorker worker;
int end = previewsPerPage;
int begin = page * previewsPerPage - previewsPerPage;
this->previewWorkerWatcher.setFuture(worker.generatePreviews(this->previewableSearchResults.mid(begin, end),
wordsToHighlight, scaleText.toInt() / 100.));
ui->previewProcessBar->setMaximum(this->previewWorkerWatcher.progressMaximum());
ui->previewProcessBar->setMinimum(this->previewWorkerWatcher.progressMinimum());
ui->previewProcessBar->setVisible(this->previewableSearchResults.size() > 0);
}
void MainWindow::handleSearchError(QString error)
{
ui->lblSearchResults->setText("Error:" + error);
}
void MainWindow::createSearchResutlMenu(QMenu &menu, const QFileInfo &fileInfo)
{
menu.addAction("Copy filename to clipboard",
[&fileInfo] { QGuiApplication::clipboard()->setText(fileInfo.fileName()); });
menu.addAction("Copy full path to clipboard",
[&fileInfo] { QGuiApplication::clipboard()->setText(fileInfo.absoluteFilePath()); });
menu.addAction("Open containing folder", [this, &fileInfo] { this->ipcFileOpen(fileInfo.absolutePath()); });
}
void MainWindow::ipcDocOpen(QString path, int num)
{
QStringList args;
args << path;
args << QString::number(num);
this->ipcClient->sendCommand(DocOpen, args);
}
void MainWindow::ipcFileOpen(QString path)
{
QStringList args;
args << path;
this->ipcClient->sendCommand(FileOpen, args);
}
void MainWindow::treeSearchItemActivated(QTreeWidgetItem *item, int i)
{
ipcFileOpen(item->text(1));
}
void MainWindow::showSearchResultsContextMenu(const QPoint &point)
{
QTreeWidgetItem *item = ui->treeResultsList->itemAt(point);
if(item == nullptr)
{
return;
}
QFileInfo pathinfo(item->text(1));
QMenu menu("SearchResults", this);
createSearchResutlMenu(menu, pathinfo);
menu.exec(QCursor::pos());
}
MainWindow::~MainWindow()
{
delete ui;
}