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PdfForQtViewer/PdfForQtViewer.pro

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+#-------------------------------------------------
+#
+# Project created by QtCreator 2018-11-18T16:50:12
+#
+#-------------------------------------------------
+
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = PdfForQtViewer
+TEMPLATE = app
+
+# The following define makes your compiler emit warnings if you use
+# any feature of Qt which has been marked as deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if you use deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+QMAKE_CXXFLAGS += /std:c++latest
+
+INCLUDEPATH += $$PWD/../PDFForQtLib/Sources
+
+DESTDIR = $$OUT_PWD/..
+
+LIBS += -L$$OUT_PWD/..
+
+LIBS += -lPDFForQtLib
+
+SOURCES += \
+        main.cpp \
+        pdfviewermainwindow.cpp
+
+HEADERS += \
+        pdfviewermainwindow.h
+
+FORMS += \
+        pdfviewermainwindow.ui
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target

PdfForQtViewer/main.cpp

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+#include "pdfviewermainwindow.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    pdfviewer::PDFViewerMainWindow w;
+    w.show();
+
+    return a.exec();
+}

PdfForQtViewer/pdfviewermainwindow.cpp

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+#include "pdfviewermainwindow.h"
+#include "ui_pdfviewermainwindow.h"
+
+#include "pdfdocumentreader.h"
+
+#include <QFileDialog>
+#include <QMessageBox>
+
+namespace pdfviewer
+{
+
+PDFViewerMainWindow::PDFViewerMainWindow(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::PDFViewerMainWindow)
+{
+    ui->setupUi(this);
+
+    connect(ui->actionOpen, &QAction::triggered, this, &PDFViewerMainWindow::onActionOpenTriggered);
+}
+
+PDFViewerMainWindow::~PDFViewerMainWindow()
+{
+    delete ui;
+}
+
+void PDFViewerMainWindow::onActionOpenTriggered()
+{
+    QString fileName = QFileDialog::getOpenFileName(this, tr("Select PDF document"), "K:/Programming/PDF/testpdf", tr("PDF document (*.pdf)"));
+    if (!fileName.isEmpty())
+    {
+        pdf::PDFDocumentReader reader;
+        pdf::PDFDocument document = reader.readFromFile(fileName);
+
+        if (reader.isSuccessfull())
+        {
+            QMessageBox::information(this, tr("PDF Reader"), tr("Document '%1' was successfully loaded!").arg(fileName));
+        }
+        else
+        {
+            QMessageBox::information(this, tr("PDF Reader"), tr("Document read error: %1").arg(fileName));
+        }
+    }
+}
+
+}   // namespace pdfviewer

PdfForQtViewer/pdfviewermainwindow.h

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+#ifndef PDFVIEWERMAINWINDOW_H
+#define PDFVIEWERMAINWINDOW_H
+
+#include <QMainWindow>
+
+namespace Ui
+{
+class PDFViewerMainWindow;
+}
+
+namespace pdfviewer
+{
+
+class PDFViewerMainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit PDFViewerMainWindow(QWidget *parent = nullptr);
+    virtual ~PDFViewerMainWindow() override;
+
+private:
+    void onActionOpenTriggered();
+
+    Ui::PDFViewerMainWindow* ui;
+};
+
+}   // namespace pdfviewer
+
+#endif // PDFVIEWERMAINWINDOW_H

PdfForQtViewer/pdfviewermainwindow.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>PDFViewerMainWindow</class>
+ <widget class="QMainWindow" name="PDFViewerMainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>PDFViewerMainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralWidget"/>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>400</width>
+     <height>21</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuFile">
+    <property name="title">
+     <string>File</string>
+    </property>
+    <addaction name="actionOpen"/>
+   </widget>
+   <addaction name="menuFile"/>
+  </widget>
+  <widget class="QToolBar" name="mainToolBar">
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+  <action name="actionOpen">
+   <property name="text">
+    <string>Open</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+O</string>
+   </property>
+  </action>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources/>
+ <connections/>
+</ui>