Lite version of the viewer

Pdf4Qt.pro

@@ -26,7 +26,8 @@ SUBDIRS += \
     UnitTests \
     Pdf4QtViewer \
     Pdf4QtViewerPlugins \
-    Pdf4QtViewerProfi
+    Pdf4QtViewerProfi \
+    Pdf4QtViewerLite
 
 CodeGenerator.depends = Pdf4QtLib
 JBIG2_Viewer.depends = Pdf4QtLib
@@ -36,3 +37,4 @@ UnitTests.depends = Pdf4QtLib
 Pdf4QtViewer.depends = Pdf4QtLib
 Pdf4QtViewerPlugins.depends = Pdf4QtLib
 Pdf4QtViewerProfi.depends = Pdf4QtViewer
+Pdf4QtViewerLite.depends = Pdf4QtViewer

Pdf4QtViewer/Pdf4QtViewer.pro

@@ -50,6 +50,7 @@ SOURCES += \
         pdftexttospeech.cpp \
         pdfundoredomanager.cpp \
         pdfviewermainwindow.cpp \
+        pdfviewermainwindowlite.cpp \
         pdfviewersettings.cpp \
         pdfviewersettingsdialog.cpp
 
@@ -67,6 +68,7 @@ HEADERS += \
         pdfundoredomanager.h \
         pdfviewerglobal.h \
         pdfviewermainwindow.h \
+        pdfviewermainwindowlite.h \
         pdfviewersettings.h \
         pdfviewersettingsdialog.h
 
@@ -78,6 +80,7 @@ FORMS += \
         pdfrendertoimagesdialog.ui \
         pdfsidebarwidget.ui \
         pdfviewermainwindow.ui \
+        pdfviewermainwindowlite.ui \
         pdfviewersettingsdialog.ui
 
 CONFIG += force_debug_info

Pdf4QtViewer/pdfviewermainwindowlite.cpp

@@ -0,0 +1,441 @@
+//    Copyright (C) 2020 Jakub Melka
+//
+//    This file is part of Pdf4Qt.
+//
+//    Pdf4Qt is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    Pdf4Qt is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with Pdf4Qt.  If not, see <https://www.gnu.org/licenses/>.
+
+#include "PDFViewerMainWindowLite.h"
+#include "ui_PDFViewerMainWindowLite.h"
+
+#include "pdfaboutdialog.h"
+#include "pdfsidebarwidget.h"
+#include "pdfadvancedfindwidget.h"
+#include "pdfviewersettingsdialog.h"
+#include "pdfdocumentpropertiesdialog.h"
+#include "pdfrendertoimagesdialog.h"
+#include "pdfoptimizedocumentdialog.h"
+
+#include "pdfdocumentreader.h"
+#include "pdfvisitor.h"
+#include "pdfstreamfilters.h"
+#include "pdfdrawwidget.h"
+#include "pdfdrawspacecontroller.h"
+#include "pdfrenderingerrorswidget.h"
+#include "pdffont.h"
+#include "pdfitemmodels.h"
+#include "pdfutils.h"
+#include "pdfsendmail.h"
+#include "pdfexecutionpolicy.h"
+#include "pdfwidgetutils.h"
+#include "pdfdocumentwriter.h"
+#include "pdfsignaturehandler.h"
+#include "pdfadvancedtools.h"
+#include "pdfwidgetutils.h"
+
+#include <QPainter>
+#include <QSettings>
+#include <QFileDialog>
+#include <QMessageBox>
+#include <QCloseEvent>
+#include <QApplication>
+#include <QDesktopWidget>
+#include <QStandardPaths>
+#include <QDockWidget>
+#include <QTreeView>
+#include <QLayout>
+#include <QHeaderView>
+#include <QInputDialog>
+#include <QSpinBox>
+#include <QLabel>
+#include <QDoubleSpinBox>
+#include <QDesktopServices>
+#include <QFileDialog>
+#include <QLockFile>
+#include <QtPrintSupport/QPrinter>
+#include <QtPrintSupport/QPrintDialog>
+#include <QtConcurrent/QtConcurrent>
+#include <QPluginLoader>
+#include <QToolButton>
+#include <QActionGroup>
+
+#ifdef Q_OS_WIN
+#include "Windows.h"
+#endif
+
+namespace pdfviewer
+{
+
+PDFViewerMainWindowLite::PDFViewerMainWindowLite(QWidget* parent) :
+    QMainWindow(parent),
+    ui(new Ui::PDFViewerMainWindowLite),
+    m_actionManager(new PDFActionManager(this)),
+    m_programController(new PDFProgramController(this)),
+    m_sidebarWidget(nullptr),
+    m_sidebarDockWidget(nullptr),
+    m_pageNumberSpinBox(nullptr),
+    m_pageNumberLabel(nullptr),
+    m_pageZoomSpinBox(nullptr),
+    m_isLoadingUI(false),
+    m_progress(new pdf::PDFProgress(this)),
+    m_taskbarButton(new QWinTaskbarButton(this)),
+    m_progressTaskbarIndicator(nullptr),
+    m_progressDialog(nullptr),
+    m_isChangingProgressStep(false)
+{
+    ui->setupUi(this);
+
+    setAcceptDrops(true);
+
+    // Initialize toolbar icon size
+    adjustToolbar(ui->mainToolBar);
+
+    // Initialize task bar progress
+    m_progressTaskbarIndicator = m_taskbarButton->progress();
+
+    // Initialize actions
+    m_actionManager->setAction(PDFActionManager::Open, ui->actionOpen);
+    m_actionManager->setAction(PDFActionManager::Close, ui->actionClose);
+    m_actionManager->setAction(PDFActionManager::Quit, ui->actionQuit);
+    m_actionManager->setAction(PDFActionManager::ZoomIn, ui->actionZoom_In);
+    m_actionManager->setAction(PDFActionManager::ZoomOut, ui->actionZoom_Out);
+    m_actionManager->setAction(PDFActionManager::RotateRight, ui->actionRotateRight);
+    m_actionManager->setAction(PDFActionManager::RotateLeft, ui->actionRotateLeft);
+    m_actionManager->setAction(PDFActionManager::Print, ui->actionPrint);
+    m_actionManager->setAction(PDFActionManager::GoToDocumentStart, ui->actionGoToDocumentStart);
+    m_actionManager->setAction(PDFActionManager::GoToDocumentEnd, ui->actionGoToDocumentEnd);
+    m_actionManager->setAction(PDFActionManager::GoToNextPage, ui->actionGoToNextPage);
+    m_actionManager->setAction(PDFActionManager::GoToPreviousPage, ui->actionGoToPreviousPage);
+    m_actionManager->setAction(PDFActionManager::GoToNextLine, ui->actionGoToNextLine);
+    m_actionManager->setAction(PDFActionManager::GoToPreviousLine, ui->actionGoToPreviousLine);
+    m_actionManager->setAction(PDFActionManager::RenderOptionAntialiasing, ui->actionRenderOptionAntialiasing);
+    m_actionManager->setAction(PDFActionManager::RenderOptionTextAntialiasing, ui->actionRenderOptionTextAntialiasing);
+    m_actionManager->setAction(PDFActionManager::RenderOptionSmoothPictures, ui->actionRenderOptionSmoothPictures);
+    m_actionManager->setAction(PDFActionManager::RenderOptionIgnoreOptionalContentSettings, ui->actionRenderOptionIgnoreOptionalContentSettings);
+    m_actionManager->setAction(PDFActionManager::RenderOptionDisplayAnnotations, ui->actionRenderOptionDisplayAnnotations);
+    m_actionManager->setAction(PDFActionManager::RenderOptionInvertColors, ui->actionInvertColors);
+    m_actionManager->setAction(PDFActionManager::Properties, ui->actionProperties);
+    m_actionManager->setAction(PDFActionManager::Options, ui->actionOptions);
+    m_actionManager->setAction(PDFActionManager::About, ui->actionAbout);
+    m_actionManager->setAction(PDFActionManager::SendByMail, ui->actionSend_by_E_Mail);
+    m_actionManager->setAction(PDFActionManager::FitPage, ui->actionFitPage);
+    m_actionManager->setAction(PDFActionManager::FitWidth, ui->actionFitWidth);
+    m_actionManager->setAction(PDFActionManager::FitHeight, ui->actionFitHeight);
+    m_actionManager->setAction(PDFActionManager::ShowRenderingErrors, ui->actionRendering_Errors);
+    m_actionManager->setAction(PDFActionManager::PageLayoutSinglePage, ui->actionPageLayoutSinglePage);
+    m_actionManager->setAction(PDFActionManager::PageLayoutContinuous, ui->actionPageLayoutContinuous);
+    m_actionManager->setAction(PDFActionManager::PageLayoutTwoPages, ui->actionPageLayoutTwoPages);
+    m_actionManager->setAction(PDFActionManager::PageLayoutTwoColumns, ui->actionPageLayoutTwoColumns);
+    m_actionManager->setAction(PDFActionManager::PageLayoutFirstPageOnRightSide, ui->actionFirstPageOnRightSide);
+    m_actionManager->initActions(pdf::PDFWidgetUtils::scaleDPI(this, QSize(24, 24)), true);
+
+    for (QAction* action : m_programController->getRecentFileManager()->getActions())
+    {
+        ui->menuFile->insertAction(ui->actionQuit, action);
+    }
+    ui->menuFile->insertSeparator(ui->actionQuit);
+
+    connect(ui->actionQuit, &QAction::triggered, this, &PDFViewerMainWindowLite::onActionQuitTriggered);
+
+    m_pageNumberSpinBox = new QSpinBox(this);
+    m_pageNumberLabel = new QLabel(this);
+    m_pageNumberSpinBox->setFixedWidth(pdf::PDFWidgetUtils::scaleDPI_x(m_pageNumberSpinBox, 80));
+    m_pageNumberSpinBox->setAlignment(Qt::AlignCenter);
+    connect(m_pageNumberSpinBox, &QSpinBox::editingFinished, this, &PDFViewerMainWindowLite::onPageNumberSpinboxEditingFinished);
+
+    // Page control
+    ui->mainToolBar->addSeparator();
+    ui->mainToolBar->addAction(ui->actionGoToDocumentStart);
+    ui->mainToolBar->addAction(ui->actionGoToPreviousPage);
+    ui->mainToolBar->addWidget(m_pageNumberSpinBox);
+    ui->mainToolBar->addWidget(m_pageNumberLabel);
+    ui->mainToolBar->addAction(ui->actionGoToNextPage);
+    ui->mainToolBar->addAction(ui->actionGoToDocumentEnd);
+
+    // Zoom
+    ui->mainToolBar->addSeparator();
+    ui->mainToolBar->addAction(ui->actionZoom_In);
+    ui->mainToolBar->addAction(ui->actionZoom_Out);
+
+    m_pageZoomSpinBox = new QDoubleSpinBox(this);
+    m_pageZoomSpinBox->setMinimum(pdf::PDFDrawWidgetProxy::getMinZoom() * 100);
+    m_pageZoomSpinBox->setMaximum(pdf::PDFDrawWidgetProxy::getMaxZoom() * 100);
+    m_pageZoomSpinBox->setDecimals(2);
+    m_pageZoomSpinBox->setSuffix(tr("%"));
+    m_pageZoomSpinBox->setFixedWidth(pdf::PDFWidgetUtils::scaleDPI_x(m_pageNumberSpinBox, 80));
+    m_pageZoomSpinBox->setAlignment(Qt::AlignVCenter | Qt::AlignRight);
+    connect(m_pageZoomSpinBox, &QDoubleSpinBox::editingFinished, this, &PDFViewerMainWindowLite::onPageZoomSpinboxEditingFinished);
+    ui->mainToolBar->addWidget(m_pageZoomSpinBox);
+
+    // Fit page, width, height
+    ui->mainToolBar->addAction(ui->actionFitPage);
+    ui->mainToolBar->addAction(ui->actionFitWidth);
+    ui->mainToolBar->addAction(ui->actionFitHeight);
+    ui->mainToolBar->addSeparator();
+
+    // Special tools
+    m_programController->initialize(PDFProgramController::TextToSpeech, this, this, m_actionManager, m_progress);
+    setCentralWidget(m_programController->getPdfWidget());
+    setFocusProxy(m_programController->getPdfWidget());
+
+    m_sidebarWidget = new PDFSidebarWidget(m_programController->getPdfWidget()->getDrawWidgetProxy(), m_programController->getTextToSpeech(), m_programController->getCertificateStore(), m_programController->getSettings(), this);
+    m_sidebarDockWidget = new QDockWidget(tr("Sidebar"), this);
+    m_sidebarDockWidget->setObjectName("SidebarDockWidget");
+    m_sidebarDockWidget->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
+    m_sidebarDockWidget->setWidget(m_sidebarWidget);
+    addDockWidget(Qt::LeftDockWidgetArea, m_sidebarDockWidget);
+    m_sidebarDockWidget->hide();
+    connect(m_sidebarWidget, &PDFSidebarWidget::actionTriggered, m_programController, &PDFProgramController::onActionTriggered);
+
+    ui->menuView->addSeparator();
+    ui->menuView->addAction(m_sidebarDockWidget->toggleViewAction());
+    m_sidebarDockWidget->toggleViewAction()->setObjectName("actionSidebar");
+    m_actionManager->addAdditionalAction(m_sidebarDockWidget->toggleViewAction());
+
+    connect(m_progress, &pdf::PDFProgress::progressStarted, this, &PDFViewerMainWindowLite::onProgressStarted);
+    connect(m_progress, &pdf::PDFProgress::progressStep, this, &PDFViewerMainWindowLite::onProgressStep);
+    connect(m_progress, &pdf::PDFProgress::progressFinished, this, &PDFViewerMainWindowLite::onProgressFinished);
+
+    m_programController->finishInitialization();
+
+    if (pdf::PDFToolManager* toolManager = m_programController->getToolManager())
+    {
+        connect(toolManager, &pdf::PDFToolManager::messageDisplayRequest, statusBar(), &QStatusBar::showMessage);
+    }
+}
+
+PDFViewerMainWindowLite::~PDFViewerMainWindowLite()
+{
+    delete m_programController;
+    m_programController = nullptr;
+
+    delete m_actionManager;
+    m_actionManager = nullptr;
+
+    delete ui;
+}
+
+void PDFViewerMainWindowLite::onActionQuitTriggered()
+{
+    close();
+}
+
+void PDFViewerMainWindowLite::onPageNumberSpinboxEditingFinished()
+{
+    if (m_isLoadingUI)
+    {
+        return;
+    }
+
+    if (m_pageNumberSpinBox->hasFocus())
+    {
+        m_programController->getPdfWidget()->setFocus();
+    }
+
+    m_programController->getPdfWidget()->getDrawWidgetProxy()->goToPage(m_pageNumberSpinBox->value() - 1);
+}
+
+void PDFViewerMainWindowLite::onPageZoomSpinboxEditingFinished()
+{
+    if (m_isLoadingUI)
+    {
+        return;
+    }
+
+    if (m_pageZoomSpinBox->hasFocus())
+    {
+        m_programController->getPdfWidget()->setFocus();
+    }
+
+    m_programController->getPdfWidget()->getDrawWidgetProxy()->zoom(m_pageZoomSpinBox->value() / 100.0);
+}
+
+void PDFViewerMainWindowLite::onProgressStarted(pdf::ProgressStartupInfo info)
+{
+    Q_ASSERT(!m_progressDialog);
+    if (info.showDialog)
+    {
+        m_progressDialog = new QProgressDialog(info.text, QString(), 0, 100, this);
+        m_progressDialog->setWindowModality(Qt::WindowModal);
+        m_progressDialog->setCancelButton(nullptr);
+    }
+
+    m_progressTaskbarIndicator->setRange(0, 100);
+    m_progressTaskbarIndicator->reset();
+    m_progressTaskbarIndicator->show();
+
+    m_programController->setIsBusy(true);
+    m_programController->updateActionsAvailability();
+}
+
+void PDFViewerMainWindowLite::onProgressStep(int percentage)
+{
+    if (m_isChangingProgressStep)
+    {
+        return;
+    }
+
+    pdf::PDFTemporaryValueChange guard(&m_isChangingProgressStep, true);
+
+    if (m_progressDialog)
+    {
+        m_progressDialog->setValue(percentage);
+    }
+
+    m_progressTaskbarIndicator->setValue(percentage);
+}
+
+void PDFViewerMainWindowLite::onProgressFinished()
+{
+    if (m_progressDialog)
+    {
+        m_progressDialog->hide();
+        m_progressDialog->deleteLater();
+        m_progressDialog = nullptr;
+    }
+    m_progressTaskbarIndicator->hide();
+
+    m_programController->setIsBusy(false);
+    m_programController->updateActionsAvailability();
+}
+
+void PDFViewerMainWindowLite::updateUI(bool fullUpdate)
+{
+    pdf::PDFTemporaryValueChange guard(&m_isLoadingUI, true);
+
+    if (fullUpdate)
+    {
+        if (pdf::PDFDocument* document = m_programController->getDocument())
+        {
+            size_t pageCount = document->getCatalog()->getPageCount();
+            m_pageNumberSpinBox->setMinimum(1);
+            m_pageNumberSpinBox->setMaximum(static_cast<int>(pageCount));
+            m_pageNumberSpinBox->setEnabled(true);
+            m_pageNumberLabel->setText(tr(" / %1").arg(pageCount));
+        }
+        else
+        {
+            m_pageNumberSpinBox->setEnabled(false);
+            m_pageNumberLabel->setText(QString());
+        }
+    }
+    else
+    {
+        std::vector<pdf::PDFInteger> currentPages = m_programController->getPdfWidget()->getDrawWidget()->getCurrentPages();
+        if (!currentPages.empty())
+        {
+            m_pageNumberSpinBox->setValue(currentPages.front() + 1);
+
+            // Prefetch pages, if it is enabled
+            if (m_programController->getSettings()->isPagePrefetchingEnabled())
+            {
+                m_programController->getPdfWidget()->getDrawWidgetProxy()->prefetchPages(currentPages.back());
+            }
+        }
+
+        m_sidebarWidget->setCurrentPages(currentPages);
+    }
+
+    m_pageZoomSpinBox->setValue(m_programController->getPdfWidget()->getDrawWidgetProxy()->getZoom() * 100);
+}
+
+QMenu* PDFViewerMainWindowLite::addToolMenu(QString name)
+{
+    return ui->menuTools->addMenu(name);
+}
+
+void PDFViewerMainWindowLite::setStatusBarMessage(QString message, int time)
+{
+    statusBar()->showMessage(message, time);
+}
+
+void PDFViewerMainWindowLite::setDocument(const pdf::PDFModifiedDocument& document)
+{
+    if (m_sidebarWidget)
+    {
+        m_sidebarWidget->setDocument(document, *m_programController->getSignatures());
+    }
+
+    if (m_sidebarWidget)
+    {
+        if (m_sidebarWidget->isEmpty())
+        {
+            m_sidebarDockWidget->hide();
+        }
+        else
+        {
+            m_sidebarDockWidget->show();
+        }
+    }
+}
+
+void PDFViewerMainWindowLite::adjustToolbar(QToolBar* toolbar)
+{
+    QSize iconSize = pdf::PDFWidgetUtils::scaleDPI(this, QSize(24, 24));
+    toolbar->setIconSize(iconSize);
+}
+
+void PDFViewerMainWindowLite::closeEvent(QCloseEvent* event)
+{
+    if (!m_programController->canClose())
+    {
+        // Jakub Melka: Do not allow to close the application, if document
+        // reading is running.
+        event->ignore();
+    }
+    else
+    {
+        m_programController->writeSettings();
+        m_programController->closeDocument();
+        event->accept();
+    }
+}
+
+void PDFViewerMainWindowLite::showEvent(QShowEvent* event)
+{
+    Q_UNUSED(event);
+    m_taskbarButton->setWindow(windowHandle());
+}
+
+void PDFViewerMainWindowLite::dragEnterEvent(QDragEnterEvent* event)
+{
+    if (event->mimeData()->hasUrls())
+    {
+        event->setDropAction(Qt::LinkAction);
+        event->accept();
+    }
+}
+
+void PDFViewerMainWindowLite::dragMoveEvent(QDragMoveEvent* event)
+{
+    if (event->mimeData()->hasUrls())
+    {
+        event->setDropAction(Qt::LinkAction);
+        event->accept();
+    }
+}
+
+void PDFViewerMainWindowLite::dropEvent(QDropEvent* event)
+{
+    if (event->mimeData()->hasUrls())
+    {
+        QList<QUrl> urls = event->mimeData()->urls();
+        if (urls.size() == 1)
+        {
+            m_programController->openDocument(urls.front().toLocalFile());
+            event->acceptProposedAction();
+        }
+    }
+}
+
+}   // namespace pdfviewer

Pdf4QtViewer/pdfviewermainwindowlite.h

@@ -0,0 +1,125 @@
+//    Copyright (C) 2020 Jakub Melka
+//
+//    This file is part of Pdf4Qt.
+//
+//    Pdf4Qt is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    Pdf4Qt is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with Pdf4Qt.  If not, see <https://www.gnu.org/licenses/>.
+
+#ifndef PDFVIEWERMAINWINDOWLITE_H
+#define PDFVIEWERMAINWINDOWLITE_H
+
+#include "pdfviewerglobal.h"
+#include "pdfcatalog.h"
+#include "pdfrenderer.h"
+#include "pdfprogress.h"
+#include "pdfdocument.h"
+#include "pdfviewersettings.h"
+#include "pdfdocumentreader.h"
+#include "pdfdocumentpropertiesdialog.h"
+#include "pdfwidgettool.h"
+#include "pdfrecentfilemanager.h"
+#include "pdftexttospeech.h"
+#include "pdfannotation.h"
+#include "pdfform.h"
+#include "pdfundoredomanager.h"
+#include "pdfplugin.h"
+#include "pdfprogramcontroller.h"
+
+#include <QFuture>
+#include <QTreeView>
+#include <QMainWindow>
+#include <QWinTaskbarButton>
+#include <QWinTaskbarProgress>
+#include <QFutureWatcher>
+#include <QProgressDialog>
+
+class QLabel;
+class QSpinBox;
+class QSettings;
+class QDoubleSpinBox;
+
+namespace Ui
+{
+class PDFViewerMainWindowLite;
+}
+
+namespace pdf
+{
+class PDFAction;
+class PDFWidget;
+class PDFDocument;
+class PDFOptionalContentTreeItemModel;
+}
+
+namespace pdfviewer
+{
+class PDFSidebarWidget;
+class PDFAdvancedFindWidget;
+
+class Pdf4QtVIEWERLIBSHARED_EXPORT PDFViewerMainWindowLite : public QMainWindow, public IMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit PDFViewerMainWindowLite(QWidget *parent = nullptr);
+    virtual ~PDFViewerMainWindowLite() override;
+
+    virtual void closeEvent(QCloseEvent* event) override;
+    virtual void showEvent(QShowEvent* event) override;
+
+    PDFProgramController* getProgramController() const { return m_programController; }
+
+    virtual void updateUI(bool fullUpdate) override;
+    virtual QMenu* addToolMenu(QString name) override;
+    virtual void setStatusBarMessage(QString message, int time) override;
+    virtual void setDocument(const pdf::PDFModifiedDocument& document) override;
+    virtual void adjustToolbar(QToolBar* toolbar) override;
+
+protected:
+    virtual void dragEnterEvent(QDragEnterEvent* event) override;
+    virtual void dragMoveEvent(QDragMoveEvent* event) override;
+    virtual void dropEvent(QDropEvent* event) override;
+
+private:
+    void onActionQuitTriggered();
+
+    void onPageNumberSpinboxEditingFinished();
+    void onPageZoomSpinboxEditingFinished();
+
+    void onProgressStarted(pdf::ProgressStartupInfo info);
+    void onProgressStep(int percentage);
+    void onProgressFinished();
+
+    QIcon createStickyNoteIcon(QString key) const;
+
+    Ui::PDFViewerMainWindowLite* ui;
+    PDFActionManager* m_actionManager;
+    PDFProgramController* m_programController;
+
+    PDFSidebarWidget* m_sidebarWidget;
+    QDockWidget* m_sidebarDockWidget;
+    QSpinBox* m_pageNumberSpinBox;
+    QLabel* m_pageNumberLabel;
+    QDoubleSpinBox* m_pageZoomSpinBox;
+    bool m_isLoadingUI;
+    pdf::PDFProgress* m_progress;
+    QWinTaskbarButton* m_taskbarButton;
+    QWinTaskbarProgress* m_progressTaskbarIndicator;
+
+    QProgressDialog* m_progressDialog;
+    bool m_isChangingProgressStep;
+};
+
+}   // namespace pdfviewer
+
+#endif // PDFVIEWERMAINWINDOWLITE_H

Pdf4QtViewer/pdfviewermainwindowlite.ui

@@ -0,0 +1,437 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>PDFViewerMainWindowLite</class>
+ <widget class="QMainWindow" name="PDFViewerMainWindowLite">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>770</width>
+    <height>572</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>PDF Viewer</string>
+  </property>
+  <widget class="QWidget" name="centralWidget"/>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>770</width>
+     <height>21</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuFile">
+    <property name="title">
+     <string>File</string>
+    </property>
+    <addaction name="actionOpen"/>
+    <addaction name="actionClose"/>
+    <addaction name="separator"/>
+    <addaction name="separator"/>
+    <addaction name="actionSend_by_E_Mail"/>
+    <addaction name="actionPrint"/>
+    <addaction name="separator"/>
+    <addaction name="actionProperties"/>
+    <addaction name="separator"/>
+    <addaction name="actionQuit"/>
+   </widget>
+   <widget class="QMenu" name="menuGoTo">
+    <property name="title">
+     <string>Go To</string>
+    </property>
+    <addaction name="actionGoToDocumentStart"/>
+    <addaction name="actionGoToDocumentEnd"/>
+    <addaction name="actionGoToPreviousPage"/>
+    <addaction name="actionGoToNextPage"/>
+    <addaction name="actionGoToPreviousLine"/>
+    <addaction name="actionGoToNextLine"/>
+   </widget>
+   <widget class="QMenu" name="menuView">
+    <property name="title">
+     <string>View</string>
+    </property>
+    <widget class="QMenu" name="menuPage_Layout">
+     <property name="title">
+      <string>Page Layout</string>
+     </property>
+     <addaction name="actionPageLayoutSinglePage"/>
+     <addaction name="actionPageLayoutContinuous"/>
+     <addaction name="actionPageLayoutTwoPages"/>
+     <addaction name="actionPageLayoutTwoColumns"/>
+     <addaction name="separator"/>
+     <addaction name="actionFirstPageOnRightSide"/>
+    </widget>
+    <widget class="QMenu" name="menuRendering_Options">
+     <property name="title">
+      <string>Rendering Options</string>
+     </property>
+     <addaction name="actionRenderOptionAntialiasing"/>
+     <addaction name="actionRenderOptionTextAntialiasing"/>
+     <addaction name="actionRenderOptionSmoothPictures"/>
+     <addaction name="actionRenderOptionIgnoreOptionalContentSettings"/>
+     <addaction name="actionRenderOptionDisplayAnnotations"/>
+    </widget>
+    <addaction name="menuPage_Layout"/>
+    <addaction name="menuRendering_Options"/>
+    <addaction name="separator"/>
+    <addaction name="actionRotateRight"/>
+    <addaction name="actionRotateLeft"/>
+    <addaction name="separator"/>
+    <addaction name="actionZoom_In"/>
+    <addaction name="actionZoom_Out"/>
+    <addaction name="separator"/>
+    <addaction name="actionFitPage"/>
+    <addaction name="actionFitWidth"/>
+    <addaction name="actionFitHeight"/>
+    <addaction name="separator"/>
+    <addaction name="actionInvertColors"/>
+   </widget>
+   <widget class="QMenu" name="menuTools">
+    <property name="title">
+     <string>Tools</string>
+    </property>
+    <addaction name="separator"/>
+    <addaction name="actionRendering_Errors"/>
+    <addaction name="separator"/>
+    <addaction name="actionOptions"/>
+   </widget>
+   <widget class="QMenu" name="menuHelp">
+    <property name="title">
+     <string>Help</string>
+    </property>
+    <addaction name="actionAbout"/>
+   </widget>
+   <addaction name="menuFile"/>
+   <addaction name="menuView"/>
+   <addaction name="menuGoTo"/>
+   <addaction name="menuTools"/>
+   <addaction name="menuHelp"/>
+  </widget>
+  <widget class="QToolBar" name="mainToolBar">
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+   <addaction name="actionOpen"/>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+  <action name="actionOpen">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/open.svg</normaloff>:/resources/open.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Open</string>
+   </property>
+  </action>
+  <action name="actionClose">
+   <property name="text">
+    <string>Close</string>
+   </property>
+  </action>
+  <action name="actionQuit">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/quit.svg</normaloff>:/resources/quit.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Quit</string>
+   </property>
+  </action>
+  <action name="actionPageLayoutSinglePage">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Single Page</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+1</string>
+   </property>
+  </action>
+  <action name="actionPageLayoutContinuous">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Continuous</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+2</string>
+   </property>
+  </action>
+  <action name="actionPageLayoutTwoPages">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Two Pages</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+3</string>
+   </property>
+  </action>
+  <action name="actionPageLayoutTwoColumns">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Two columns</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+4</string>
+   </property>
+  </action>
+  <action name="actionFirstPageOnRightSide">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>First page on right side</string>
+   </property>
+   <property name="toolTip">
+    <string>First page on right side</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+5</string>
+   </property>
+  </action>
+  <action name="actionRendering_Errors">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/rendering-errors.svg</normaloff>:/resources/rendering-errors.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Rendering Errors</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+E</string>
+   </property>
+  </action>
+  <action name="actionRenderOptionAntialiasing">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Antialiasing</string>
+   </property>
+  </action>
+  <action name="actionRenderOptionTextAntialiasing">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Text Antialiasing</string>
+   </property>
+  </action>
+  <action name="actionRenderOptionSmoothPictures">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Smooth Pictures</string>
+   </property>
+  </action>
+  <action name="actionRenderOptionIgnoreOptionalContentSettings">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Ignore Optional Content Settings</string>
+   </property>
+  </action>
+  <action name="actionOptions">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/settings.svg</normaloff>:/resources/settings.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Options...</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+K</string>
+   </property>
+  </action>
+  <action name="actionZoom_In">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/zoom-in.svg</normaloff>:/resources/zoom-in.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Zoom In</string>
+   </property>
+  </action>
+  <action name="actionZoom_Out">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/zoom-out.svg</normaloff>:/resources/zoom-out.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Zoom Out</string>
+   </property>
+  </action>
+  <action name="actionAbout">
+   <property name="text">
+    <string>About</string>
+   </property>
+  </action>
+  <action name="actionFitPage">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/zoom-fit.svg</normaloff>:/resources/zoom-fit.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Fit Page</string>
+   </property>
+  </action>
+  <action name="actionFitWidth">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/zoom-fit-horizontal.svg</normaloff>:/resources/zoom-fit-horizontal.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Fit Width</string>
+   </property>
+   <property name="shortcut">
+    <string>W</string>
+   </property>
+  </action>
+  <action name="actionFitHeight">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/zoom-fit-vertical.svg</normaloff>:/resources/zoom-fit-vertical.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Fit Height</string>
+   </property>
+   <property name="shortcut">
+    <string>H</string>
+   </property>
+  </action>
+  <action name="actionProperties">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/info.svg</normaloff>:/resources/info.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Properties</string>
+   </property>
+  </action>
+  <action name="actionSend_by_E_Mail">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/send-mail.svg</normaloff>:/resources/send-mail.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Send by E-Mail</string>
+   </property>
+  </action>
+  <action name="actionInvertColors">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Invert Colors</string>
+   </property>
+  </action>
+  <action name="actionRotateRight">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/rotate-right.svg</normaloff>:/resources/rotate-right.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Rotate Right</string>
+   </property>
+  </action>
+  <action name="actionRotateLeft">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/rotate-left.svg</normaloff>:/resources/rotate-left.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Rotate Left</string>
+   </property>
+  </action>
+  <action name="actionPrint">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/print.svg</normaloff>:/resources/print.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Print</string>
+   </property>
+  </action>
+  <action name="actionRenderOptionDisplayAnnotations">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Display Annotations</string>
+   </property>
+  </action>
+  <action name="actionGoToDocumentStart">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/previous-start.svg</normaloff>:/resources/previous-start.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Go to document start</string>
+   </property>
+  </action>
+  <action name="actionGoToDocumentEnd">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/next-end.svg</normaloff>:/resources/next-end.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Go to document end</string>
+   </property>
+  </action>
+  <action name="actionGoToNextPage">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/next-page.svg</normaloff>:/resources/next-page.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Go to next page</string>
+   </property>
+  </action>
+  <action name="actionGoToPreviousPage">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/previous-page.svg</normaloff>:/resources/previous-page.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Go to previous page</string>
+   </property>
+  </action>
+  <action name="actionGoToNextLine">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/next.svg</normaloff>:/resources/next.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Go to next line</string>
+   </property>
+  </action>
+  <action name="actionGoToPreviousLine">
+   <property name="icon">
+    <iconset resource="pdf4qtviewer.qrc">
+     <normaloff>:/resources/previous.svg</normaloff>:/resources/previous.svg</iconset>
+   </property>
+   <property name="text">
+    <string>Go to previous line</string>
+   </property>
+  </action>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources>
+  <include location="pdf4qtviewer.qrc"/>
+ </resources>
+ <connections/>
+</ui>

Pdf4QtViewerLite/Pdf4QtViewerLite.pro

@@ -0,0 +1,44 @@
+#    Copyright (C) 2018-2020 Jakub Melka
+#
+#    This file is part of Pdf4Qt.
+#
+#    Pdf4Qt is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Lesser General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    Pdf4Qt is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Lesser General Public License for more details.
+#
+#    You should have received a copy of the GNU Lesser General Public License
+#    along with Pdf4Qt.  If not, see <https://www.gnu.org/licenses/>.
+
+QT += core gui widgets winextras
+
+TARGET = Pdf4QtViewerLite
+TEMPLATE = app
+
+VERSION = 1.0.0
+
+RC_ICONS = $$PWD/app-icon.ico
+
+QMAKE_TARGET_DESCRIPTION = "PDF viewer for Qt, Lite version"
+QMAKE_TARGET_COPYRIGHT = "(c) Jakub Melka 2018-2020"
+
+DEFINES += QT_DEPRECATED_WARNINGS
+QMAKE_CXXFLAGS += /std:c++latest /utf-8
+
+INCLUDEPATH += $$PWD/../PDF4QtLib/Sources $$PWD/../PDF4QtViewer
+DESTDIR = $$OUT_PWD/..
+LIBS += -L$$OUT_PWD/..
+LIBS += -lPDF4QtLib -lPDF4QtViewer
+CONFIG += force_debug_info
+
+application.files = $$DESTDIR/Pdf4QtViewerLite.exe
+application.path = $$DESTDIR/install
+INSTALLS += application
+
+SOURCES += \
+    main.cpp

Pdf4QtViewerLite/main.cpp

@@ -0,0 +1,34 @@
+#include "pdfviewermainwindowlite.h"
+
+#include <QApplication>
+#include <QCommandLineParser>
+
+int main(int argc, char *argv[])
+{
+    QApplication::setAttribute(Qt::AA_CompressHighFrequencyEvents, true);
+    QApplication::setAttribute(Qt::AA_DisableHighDpiScaling, true);
+    QApplication::setAttribute(Qt::AA_DontCheckOpenGLContextThreadAffinity, true);
+    QApplication application(argc, argv);
+
+    QCoreApplication::setOrganizationName("MelkaJ");
+    QCoreApplication::setApplicationName("PDF4QT Viewer Lite");
+    QCoreApplication::setApplicationVersion("1.0.0");
+    QApplication::setApplicationDisplayName(QApplication::translate("Application", "PDF4QT Viewer Lite"));
+    QCommandLineParser parser;
+    parser.setApplicationDescription(QCoreApplication::applicationName());
+    parser.addHelpOption();
+    parser.addVersionOption();
+    parser.addPositionalArgument("file", "The PDF file to open.");
+    parser.process(application);
+
+    pdfviewer::PDFViewerMainWindowLite mainWindow;
+    mainWindow.show();
+
+    QStringList arguments = application.arguments();
+    if (arguments.size() > 1)
+    {
+        mainWindow.getProgramController()->openDocument(arguments[1]);
+    }
+
+    return application.exec();
+}