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WIP/exiled_previews -> dev #36

fechada(s)
crtxcr quer integrar 13 cometimento(s) do ramo WIP/exiled_previews no ramo dev
12 ficheiros modificados com 239 adições e 84 eliminações

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@ -4,6 +4,8 @@ search terms have been found, as shown in the screenshots below.
## Screenshots
The screenshots in this section may occasionally be slightly outdated, but they are usually recent enough to get an overall impression of the current state.
### List
![Screenshot looqs results](https://garage.quitesimple.org/assets/looqs/opearting_systems_looqs.png)

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@ -61,7 +61,8 @@ void IPCPreviewClient::start(RenderConfig config, const QVector<RenderTarget> &t
if(!connect() || !socket->isOpen())
{
// TODO: ERROR
emit error("Could not connect to IPC worker");
return;
}
if(socket->isOpen() && socket->isWritable())
@ -88,7 +89,8 @@ void IPCPreviewClient::start(RenderConfig config, const QVector<RenderTarget> &t
}
else
{
// TODO: ERROR
emit error("Error while trying to process previews: " + socket->errorString());
return;
}
int processed = 0;
@ -107,7 +109,7 @@ void IPCPreviewClient::start(RenderConfig config, const QVector<RenderTarget> &t
}
if(processed != targets.count())
{
// TODO: ERROR
emit error("IPC worker didn't send enough previews. This is a bug, please report");
}
}
socket->disconnectFromServer();
@ -118,7 +120,8 @@ void IPCPreviewClient::stopGeneration()
{
if(!connect() || !socket->isOpen())
{
// TODO: ERROR
emit error("Could not connect to IPC worker");
return;
}
QDataStream stream(socket);
stream << StopGeneratePreviews;

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@ -31,6 +31,7 @@ class IPCPreviewClient : public QObject
signals:
void previewReceived(QSharedPointer<PreviewResult> previewResult, unsigned int currentPreviewGeneration);
void finished();
void error(QString);
};
#endif // IPCPREVIEWCLIENT_H

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@ -3,29 +3,22 @@
#include "previewgeneratormapfunctor.h"
IPCPreviewWorker::IPCPreviewWorker()
{
this->connect(&previewWorkerWatcher, &QFutureWatcher<QByteArray>::resultReadyAt, this,
[this](int index) { emit previewGenerated(previewWorkerWatcher.resultAt(index)); });
connect(&previewWorkerWatcher, &QFutureWatcher<QByteArray>::finished, this, [this] { emit finished(); });
}
void IPCPreviewWorker::start(RenderConfig config, const QVector<RenderTarget> &targets, QLocalSocket *peer)
{
connect(&previewWorkerWatcher, &QFutureWatcher<QByteArray>::resultReadyAt, this,
[peer, this](int index)
{
QDataStream stream{peer};
stream << previewWorkerWatcher.resultAt(index);
peer->flush();
});
connect(&previewWorkerWatcher, &QFutureWatcher<QByteArray>::finished, this,
[peer]
{
/* TODO /
stop();
auto mapFunctor = PreviewGeneratorMapFunctor();
mapFunctor.setRenderConfig(config);
/*peer->waitForBytesWritten();
peer->disconnectFromServer();
peer->deleteLater();*/
});
auto mapFunctor = new PreviewGeneratorMapFunctor();
mapFunctor->setRenderConfig(config);
previewWorkerWatcher.setFuture(QtConcurrent::mapped(targets, *mapFunctor));
previewWorkerWatcher.setFuture(QtConcurrent::mapped(targets, mapFunctor));
}
void IPCPreviewWorker::stop()
{
previewWorkerWatcher.cancel();
previewWorkerWatcher.waitForFinished();
}

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@ -15,6 +15,10 @@ class IPCPreviewWorker : public QObject
public:
IPCPreviewWorker();
void start(RenderConfig config, const QVector<RenderTarget> &targets, QLocalSocket *peer);
void stop();
signals:
void previewGenerated(QByteArray);
void finished();
};
#endif // IPCPREVIEWWORKER_H

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@ -15,7 +15,11 @@
IpcServer::IpcServer()
{
/* Only 1, we are doing work for the GUI, not a service for general availability */
this->spawningServer.setMaxPendingConnections(1);
connect(&this->spawningServer, &QLocalServer::newConnection, this, &IpcServer::spawnerNewConnection);
connect(&this->previewWorker, &IPCPreviewWorker::previewGenerated, this, &IpcServer::handlePreviewGenerated);
connect(&this->previewWorker, &IPCPreviewWorker::finished, this, [this] { this->currentSocket->flush(); });
}
bool IpcServer::startSpawner(QString socketPath)
@ -28,6 +32,7 @@ void IpcServer::spawnerNewConnection()
{
QLocalSocket *socket = this->spawningServer.nextPendingConnection();
connect(socket, &QLocalSocket::disconnected, socket, &QLocalSocket::deleteLater);
this->currentSocket = socket;
if(socket != nullptr)
{
if(!socket->waitForReadyRead())
@ -39,10 +44,8 @@ void IpcServer::spawnerNewConnection()
stream >> command;
if(command == GeneratePreviews)
{
IPCPreviewWorker *worker = new IPCPreviewWorker();
RenderConfig renderConfig;
QVector<RenderTarget> targets;
do
{
/* TODO: this is not entirely robust */
@ -53,7 +56,18 @@ void IpcServer::spawnerNewConnection()
stream << targets.count();
socket->flush();
worker->start(renderConfig, targets, socket);
previewWorker.start(renderConfig, targets, socket);
}
if(command == StopGeneratePreviews)
{
previewWorker.stop();
}
}
}
void IpcServer::handlePreviewGenerated(QByteArray ba)
{
QDataStream stream{this->currentSocket};
stream << ba;
this->currentSocket->flush();
}

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@ -4,14 +4,19 @@
#include <QLocalServer>
#include "ipc.h"
#include "filesaver.h"
#include "ipcpreviewworker.h"
class IpcServer : public QObject
{
Q_OBJECT
private:
IPCPreviewWorker previewWorker;
QLocalServer spawningServer;
QLocalSocket *currentSocket = nullptr;
SaveFileResult addFile(QString file);
private slots:
void spawnerNewConnection();
void handlePreviewGenerated(QByteArray ba);
public:
IpcServer();

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@ -5,6 +5,7 @@
#include <QProcess>
#include <QDir>
#include <QCommandLineParser>
#include <QFileInfo>
#include "mainwindow.h"
#include "searchresult.h"
@ -32,15 +33,46 @@ void enableSandbox()
}
exile_free_policy(policy);
}
void enableIpcSandbox()
{
struct exile_policy *policy = exile_create_policy();
if(policy == NULL)
{
qCritical() << "Failed to init policy for sandbox";
exit(EXIT_FAILURE);
}
policy->namespace_options = EXILE_UNSHARE_NETWORK | EXILE_UNSHARE_USER;
policy->no_new_privs = 1;
policy->drop_caps = 1;
policy->vow_promises = exile_vows_from_str("thread cpath wpath rpath unix stdio prot_exec proc shm fsnotify ioctl");
QString ipcSocketPath = Common::ipcSocketPath();
QFileInfo info{ipcSocketPath};
QString ipcSocketPathDir = info.absolutePath();
std::string stdIpcSocketPath = ipcSocketPathDir.toStdString();
exile_append_path_policies(policy, EXILE_FS_ALLOW_ALL_READ, "/");
exile_append_path_policies(policy, EXILE_FS_ALLOW_ALL_READ | EXILE_FS_ALLOW_ALL_WRITE, stdIpcSocketPath.c_str());
int ret = exile_enable_policy(policy);
if(ret != 0)
{
qDebug() << "Failed to establish sandbox";
exit(EXIT_FAILURE);
}
exile_free_policy(policy);
}
int main(int argc, char *argv[])
{
QString socketPath = "/tmp/looqs-spawner";
QString socketPath = Common::ipcSocketPath();
if(argc > 1)
{
QString arg = argv[1];
if(arg == "ipc")
{
Common::setupAppInfo();
enableIpcSandbox();
QApplication a(argc, argv);
IpcServer *ipcserver = new IpcServer();
@ -70,10 +102,24 @@ int main(int argc, char *argv[])
return processor.process();
}
}
QString ipcSocketPath = Common::ipcSocketPath();
QFileInfo info{ipcSocketPath};
QString ipcSocketPathDir = info.absolutePath();
QDir dir;
if(!dir.mkpath(ipcSocketPathDir))
{
qCritical() << "Failed to create dir for ipc socket" << Qt::endl;
exit(EXIT_FAILURE);
}
QProcess process;
QStringList args;
args << "ipc";
if(!process.startDetached("/proc/self/exe", args))
process.setProcessChannelMode(QProcess::ForwardedChannels);
process.start("/proc/self/exe", args);
if(!process.waitForStarted(5000))
{
QString errorMsg = "Failed to start IPC server";
qDebug() << errorMsg;
@ -108,17 +154,18 @@ int main(int argc, char *argv[])
QMessageBox::critical(nullptr, "Error", e.message);
return 1;
}
// Keep this post sandbox, afterwards does not work (suspect due to threads, but unconfirmed)
QApplication a(argc, argv);
a.setWindowIcon(QIcon(":/icon.svg"));
QObject::connect(&a, &QApplication::aboutToQuit, &process, &QProcess::kill);
qRegisterMetaType<QVector<SearchResult>>("QVector<SearchResult>");
qRegisterMetaType<QVector<PreviewResultPdf>>("QVector<PreviewResultPdf>");
qRegisterMetaType<PreviewResultPdf>("PreviewResultPdf");
qRegisterMetaType<FileScanResult>("FileScanResult");
IPCClient client{socketPath};
MainWindow w{0, client};
qRegisterMetaType<RenderConfig>("RenderConfig");
qRegisterMetaType<QVector<RenderTarget>>("QVector<RenderTarget>");
qRegisterMetaType<QSharedPointer<PreviewResult>>("QSharedPointer<PreviewResult>");
MainWindow w{0, socketPath};
w.showMaximized();
return a.exec();
}

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@ -13,18 +13,43 @@
#include <QtConcurrent/QtConcurrent>
#include <QMessageBox>
#include <QFileDialog>
#include <QScreen>
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "clicklabel.h"
#include "../shared/sqlitesearch.h"
#include "../shared/looqsgeneralexception.h"
#include "../shared/common.h"
#include "ipcpreviewclient.h"
#include "previewgenerator.h"
MainWindow::MainWindow(QWidget *parent, IPCClient &client) : QMainWindow(parent), ui(new Ui::MainWindow)
MainWindow::MainWindow(QWidget *parent, QString socketPath) : QMainWindow(parent), ui(new Ui::MainWindow)
{
ui->setupUi(this);
setWindowTitle(QCoreApplication::applicationName());
this->ipcClient = &client;
this->ipcPreviewClient.moveToThread(&this->ipcClientThread);
this->ipcPreviewClient.setSocketPath(socketPath);
connect(&ipcPreviewClient, &IPCPreviewClient::previewReceived, this, &MainWindow::previewReceived,
Qt::QueuedConnection);
connect(&ipcPreviewClient, &IPCPreviewClient::finished, this,
[&]
{
this->ui->previewProcessBar->setValue(this->ui->previewProcessBar->maximum());
this->ui->spinPreviewPage->setEnabled(true);
});
connect(&ipcPreviewClient, &IPCPreviewClient::error, this,
[this](QString msg)
{
qCritical() << msg << Qt::endl;
QMessageBox::critical(this, "IPC error", msg);
});
connect(this, &MainWindow::startIpcPreviews, &ipcPreviewClient, &IPCPreviewClient::startGeneration,
Qt::QueuedConnection);
connect(this, &MainWindow::stopIpcPreviews, &ipcPreviewClient, &IPCPreviewClient::stopGeneration,
Qt::QueuedConnection);
this->ipcClientThread.start();
QSettings settings;
this->dbFactory = new DatabaseFactory(Common::databasePath());
@ -46,6 +71,9 @@ MainWindow::MainWindow(QWidget *parent, IPCClient &client) : QMainWindow(parent)
QStringList indexPaths = settings.value("indexPaths").toStringList();
ui->lstPaths->addItems(indexPaths);
ui->spinPreviewPage->setValue(1);
ui->spinPreviewPage->setMinimum(1);
}
void MainWindow::addPathToIndex()
@ -82,16 +110,18 @@ void MainWindow::connectSignals()
handleSearchError(e.message);
}
});
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,
/* connect(&previewWorkerWatcher, &QFutureWatcher<QByteArray>::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);
@ -261,16 +291,21 @@ void MainWindow::tabChanged()
}
}
void MainWindow::previewReceived(QSharedPointer<PreviewResult> preview)
void MainWindow::previewReceived(QSharedPointer<PreviewResult> preview, unsigned int previewGeneration)
{
if(preview->hasPreview())
if(previewGeneration < this->currentPreviewGeneration)
{
return;
}
this->ui->previewProcessBar->setValue(this->ui->previewProcessBar->value() + 1);
if(!preview.isNull() && 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::leftClick, [this, docPath, previewPage]() { openDocument(docPath, previewPage); });
connect(label, &ClickLabel::rightClick,
[this, docPath, previewPage]()
{
@ -357,10 +392,8 @@ void MainWindow::handleSearchResults(const QVector<SearchResult> &results)
ui->treeResultsList->resizeColumnToContents(1);
previewDirty = !this->previewableSearchResults.empty();
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)
{
makePreviews(1);
@ -376,12 +409,10 @@ void MainWindow::handleSearchResults(const QVector<SearchResult> &results)
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.
if(this->previewableSearchResults.empty())
{
return;
}
qDeleteAll(ui->scrollAreaWidgetContents->children());
ui->scrollAreaWidgetContents->setLayout(new QHBoxLayout());
@ -409,14 +440,43 @@ void MainWindow::makePreviews(int page)
}
}
}
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());
if(begin < 0)
{
// Should not happen actually
begin = 0;
}
RenderConfig renderConfig;
renderConfig.scaleX = QGuiApplication::primaryScreen()->physicalDotsPerInchX() * (scaleText.toInt() / 100.);
renderConfig.scaleY = QGuiApplication::primaryScreen()->physicalDotsPerInchY() * (scaleText.toInt() / 100.);
renderConfig.wordsToHighlight = wordsToHighlight;
QVector<RenderTarget> targets;
for(SearchResult &sr : this->previewableSearchResults)
{
RenderTarget renderTarget;
renderTarget.path = sr.fileData.absPath;
for(unsigned int pagenum : sr.pages)
{
renderTarget.page = (int)pagenum;
targets.append(renderTarget);
}
}
int numpages = ceil(static_cast<double>(targets.size()) / previewsPerPage);
ui->spinPreviewPage->setMaximum(numpages);
targets = targets.mid(begin, end);
ui->lblTotalPreviewPagesCount->setText(QString::number(numpages));
ui->previewProcessBar->setMaximum(targets.count());
ui->previewProcessBar->setMinimum(0);
ui->previewProcessBar->setValue(0);
ui->previewProcessBar->setVisible(this->previewableSearchResults.size() > 0);
++this->currentPreviewGeneration;
this->ui->spinPreviewPage->setEnabled(false);
emit startIpcPreviews(renderConfig, targets);
}
void MainWindow::handleSearchError(QString error)
@ -430,27 +490,39 @@ void MainWindow::createSearchResutlMenu(QMenu &menu, const QFileInfo &fileInfo)
[&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()); });
menu.addAction("Open containing folder", [this, &fileInfo] { this->openFile(fileInfo.absolutePath()); });
}
void MainWindow::ipcDocOpen(QString path, int num)
void MainWindow::openDocument(QString path, int num)
{
QStringList args;
args << path;
args << QString::number(num);
this->ipcClient->sendCommand(DocOpen, args);
QSettings settings;
QString command = settings.value("pdfviewer").toString();
if(path.endsWith(".pdf") && command != "" && command.contains("%p") && command.contains("%f"))
{
QStringList splitted = command.split(" ");
if(splitted.size() > 1)
{
QString cmd = splitted[0];
QStringList args = splitted.mid(1);
args.replaceInStrings("%f", path);
args.replaceInStrings("%p", QString::number(num));
QProcess::startDetached(cmd, args);
}
}
else
{
QDesktopServices::openUrl(QUrl::fromLocalFile(path));
}
}
void MainWindow::ipcFileOpen(QString path)
void MainWindow::openFile(QString path)
{
QStringList args;
args << path;
this->ipcClient->sendCommand(FileOpen, args);
QDesktopServices::openUrl(QUrl::fromLocalFile(path));
}
void MainWindow::treeSearchItemActivated(QTreeWidgetItem *item, int i)
{
ipcFileOpen(item->text(1));
openFile(item->text(1));
}
void MainWindow::showSearchResultsContextMenu(const QPoint &point)

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@ -9,9 +9,8 @@
#include <QFutureWatcher>
#include <QSqlDatabase>
#include <QLocalSocket>
#include "previewworker.h"
#include "../shared/looqsquery.h"
#include "ipcclient.h"
#include "ipcpreviewclient.h"
#include "indexer.h"
namespace Ui
{
@ -23,7 +22,7 @@ class MainWindow : public QMainWindow
Q_OBJECT
public:
explicit MainWindow(QWidget *parent, IPCClient &client);
explicit MainWindow(QWidget *parent, QString socketPath);
~MainWindow();
signals:
void beginSearch(const QString &query);
@ -33,13 +32,14 @@ class MainWindow : public QMainWindow
DatabaseFactory *dbFactory;
SqliteDbService *dbService;
Ui::MainWindow *ui;
IPCClient *ipcClient;
IPCPreviewClient ipcPreviewClient;
QThread ipcClientThread;
Indexer *indexer;
QFileIconProvider iconProvider;
bool previewDirty;
QSqlDatabase db;
QFutureWatcher<QVector<SearchResult>> searchWatcher;
QFutureWatcher<QSharedPointer<PreviewResult>> previewWorkerWatcher;
void add(QString path, unsigned int page);
QVector<SearchResult> previewableSearchResults;
void connectSignals();
@ -53,20 +53,24 @@ class MainWindow : public QMainWindow
LooqsQuery contentSearchQuery;
int previewsPerPage;
void createSearchResutlMenu(QMenu &menu, const QFileInfo &fileInfo);
void ipcDocOpen(QString path, int num);
void ipcFileOpen(QString path);
void openDocument(QString path, int num);
void openFile(QString path);
unsigned int currentPreviewGeneration = 1;
private slots:
void lineEditReturnPressed();
void treeSearchItemActivated(QTreeWidgetItem *item, int i);
void showSearchResultsContextMenu(const QPoint &point);
void tabChanged();
void previewReceived(QSharedPointer<PreviewResult> preview);
void previewReceived(QSharedPointer<PreviewResult> preview, unsigned int previewGeneration);
void comboScaleChanged(int i);
void spinPreviewPageValueChanged(int val);
void startIndexing();
void finishIndexing();
void addPathToIndex();
signals:
void startIpcPreviews(RenderConfig config, const QVector<RenderTarget> &targets);
void stopIpcPreviews();
};
#endif // MAINWINDOW_H

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@ -27,7 +27,7 @@
<enum>QTabWidget::South</enum>
</property>
<property name="currentIndex">
<number>2</number>
<number>1</number>
</property>
<widget class="QWidget" name="resultsTab">
<attribute name="title">
@ -155,6 +155,13 @@
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="lblTotalPreviewPagesCount">
<property name="text">
<string/>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer">
<property name="orientation">
@ -349,7 +356,7 @@
<item>
<widget class="QProgressBar" name="previewProcessBar">
<property name="value">
<number>24</number>
<number>0</number>
</property>
</widget>
</item>

Ver ficheiro

@ -156,6 +156,9 @@ QString Common::databasePath()
QString Common::ipcSocketPath()
{
QSettings settings;
return settings.value(SETTINGS_KEY_IPCSOCKETPATH, "/tmp/looqs-spawner").toString();
return "/tmp/.looqs/looqs-ipc-socket";
/* May not a good idea to set it in the settings and probably nobody would ever bother to change it anyway */
// QSettings settings;
// return settings.value(SETTINGS_KEY_IPCSOCKETPATH, "/tmp/.looqs/looqs-ipc-socket").toString();
}