looqs/gui/mainwindow.cpp

254 baris
7.1 KiB
C++

#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>
#include <QtConcurrent/QtConcurrent>
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "clicklabel.h"
#include "../shared/sqlitesearch.h"
#include "../shared/qssgeneralexception.h"
MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow)
{
ui->setupUi(this);
db = QSqlDatabase::addDatabase("QSQLITE");
db.setDatabaseName(QSettings().value("dbpath").toString());
if(!db.open())
{
qDebug() << "failed to open database";
throw std::runtime_error("Failed to open database");
}
connectSignals();
ui->treeResultsList->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
ui->tabWidget->setCurrentIndex(0);
ui->statusBar->addWidget(ui->lblSearchResults);
ui->statusBar->addWidget(ui->pdfProcessBar);
ui->pdfProcessBar->hide();
QSettings settings;
ui->comboScale->setCurrentText(settings.value("currentScale").toString());
}
void MainWindow::connectSignals()
{
connect(ui->txtSearch, &QLineEdit::returnPressed, this, &MainWindow::lineEditReturnPressed);
connect(&searchWatcher, &QFutureWatcher<SearchResult>::finished, this,
[&]
{
try
{
auto results = searchWatcher.future().result();
handleSearchResults(results);
}
catch(QSSGeneralException &e)
{
handleSearchError(e.message);
}
});
connect(&pdfWorkerWatcher, &QFutureWatcher<PdfPreview>::resultReadyAt, this,
[&](int index) { pdfPreviewReceived(pdfWorkerWatcher.resultAt(index)); });
connect(&pdfWorkerWatcher, &QFutureWatcher<PdfPreview>::progressValueChanged, ui->pdfProcessBar,
&QProgressBar::setValue);
connect(ui->treeResultsList, &QTreeWidget::itemActivated, this, &MainWindow::treeSearchItemActivated);
connect(ui->treeResultsList, &QTreeWidget::customContextMenuRequested, this,
&MainWindow::showSearchResultsContextMenu);
connect(ui->tabWidget, &QTabWidget::currentChanged, this, &MainWindow::tabChanged);
connect(ui->comboScale, qOverload<const QString &>(&QComboBox::currentIndexChanged), this,
&MainWindow::comboScaleChanged);
}
void MainWindow::comboScaleChanged(QString text)
{
QSettings scaleSetting;
scaleSetting.setValue("currentScale", ui->comboScale->currentText());
makePdfPreview();
}
bool MainWindow::pdfTabActive()
{
return ui->tabWidget->currentIndex() == 1;
}
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(pdfTabActive())
{
if(pdfDirty)
{
makePdfPreview();
}
ui->pdfProcessBar->show();
}
else
{
ui->pdfProcessBar->hide();
}
}
void MainWindow::pdfPreviewReceived(PdfPreview preview)
{
if(preview.hasPreviewImage())
{
ClickLabel *label = new ClickLabel();
label->setPixmap(QPixmap::fromImage(preview.previewImage));
label->setToolTip(preview.documentPath);
ui->scrollAreaWidgetContents->layout()->addWidget(label);
connect(label, &ClickLabel::leftClick,
[=]()
{
QSettings settings;
QString command = settings.value("pdfviewer").toString();
if(command != "" && command.contains("%p") && command.contains("%f"))
{
command = command.replace("%f", preview.documentPath);
command = command.replace("%p", QString::number(preview.page));
QStringList splitted = command.split(" ");
if(splitted.size() > 1)
{
QString cmd = splitted[0];
QStringList args = splitted.mid(1);
QProcess::startDetached(cmd, args);
}
}
else
{
QDesktopServices::openUrl(QUrl::fromLocalFile(preview.documentPath));
}
});
}
}
void MainWindow::lineEditReturnPressed()
{
QString q = ui->txtSearch->text();
if(!SqliteSearch::checkParanthesis(q))
{
ui->lblSearchResults->setText("Invalid paranthesis");
return;
}
// TODO: validate q;
ui->lblSearchResults->setText("Searching...");
QFuture<QVector<SearchResult>> searchFuture = QtConcurrent::run(
[&, q]()
{
SqliteSearch searcher(db);
return searcher.search(q);
});
searchWatcher.setFuture(searchFuture);
}
void MainWindow::handleSearchResults(const QVector<SearchResult> &results)
{
this->pdfSearchResults.clear();
ui->treeResultsList->clear();
ui->lblSearchResults->setText("Results: " + QString::number(results.size()));
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));
if(result.fileData.absPath.endsWith(".pdf"))
{
this->pdfSearchResults.append(result);
}
}
ui->treeResultsList->resizeColumnToContents(0);
ui->treeResultsList->resizeColumnToContents(1);
pdfDirty = !this->pdfSearchResults.empty();
if(pdfTabActive() && pdfDirty)
{
makePdfPreview();
}
}
void MainWindow::makePdfPreview()
{
this->pdfWorkerWatcher.cancel();
this->pdfWorkerWatcher.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->pdfProcessBar->setMaximum(this->pdfSearchResults.size());
processedPdfPreviews = 0;
QString scaleText = ui->comboScale->currentText();
scaleText.chop(1);
PdfWorker worker;
this->pdfWorkerWatcher.setFuture(worker.generatePreviews(this->pdfSearchResults, scaleText.toInt() / 100.));
ui->pdfProcessBar->setMaximum(this->pdfWorkerWatcher.progressMaximum());
ui->pdfProcessBar->setMinimum(this->pdfWorkerWatcher.progressMinimum());
}
void MainWindow::handleSearchError(QString error)
{
ui->lblSearchResults->setText("Error:" + error);
}
void MainWindow::treeSearchItemActivated(QTreeWidgetItem *item, int i)
{
QDesktopServices::openUrl(QUrl::fromLocalFile(item->text(1)));
}
void MainWindow::showSearchResultsContextMenu(const QPoint &point)
{
QTreeWidgetItem *item = ui->treeResultsList->itemAt(point);
if(item == nullptr)
{
return;
}
QMenu menu("SearchResult", this);
menu.addAction("Copy filename to clipboard", [&] { QGuiApplication::clipboard()->setText(item->text(0)); });
menu.addAction("Copy full path to clipboard", [&] { QGuiApplication::clipboard()->setText(item->text(1)); });
menu.addAction("Open containing folder",
[&]
{
QFileInfo pathinfo(item->text(1));
QString dir = pathinfo.absolutePath();
QDesktopServices::openUrl(QUrl::fromLocalFile(dir));
});
menu.exec(QCursor::pos());
}
MainWindow::~MainWindow()
{
delete ui;
}