PDF Viewer Example
 TEMPLATE = app
 TARGET = pdfviewer
 QT += core gui widgets pdfwidgets
 SOURCES += \
     main.cpp \
     mainwindow.cpp \
     pageselector.cpp \
     zoomselector.cpp
 HEADERS += \
     mainwindow.h \
     pageselector.h \
     zoomselector.h
 FORMS += \
     mainwindow.ui
 RESOURCES += \
     resources.qrc
 target.path = $$[QT_INSTALL_EXAMPLES]/pdfwidgets/pdfviewer
 INSTALLS += target