PDF Viewer Example

 cmake_minimum_required(VERSION 3.16)
 project(pdfviewer LANGUAGES CXX)

 set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTOUIC ON)

 if(NOT DEFINED INSTALL_EXAMPLESDIR)
     set(INSTALL_EXAMPLESDIR "examples")
 endif()

 set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/pdfwidgets/pdfviewer")

 find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets PdfWidgets)

 qt_add_executable(pdfviewerwidgets
     main.cpp
     mainwindow.cpp mainwindow.h mainwindow.ui
     pageselector.cpp pageselector.h
     zoomselector.cpp zoomselector.h
 )

 set_target_properties(pdfviewerwidgets PROPERTIES
     WIN32_EXECUTABLE TRUE
     MACOSX_BUNDLE TRUE
 )

 target_link_libraries(pdfviewerwidgets PUBLIC
     Qt::Core
     Qt::Gui
     Qt::Widgets
     Qt::PdfWidgets
 )

 # Resources:
 set(resources_resource_files
     "images/busy.png"
     "images/fileopen.png"
     "images/go-next-24.png"
     "images/go-previous-24.png"
     "images/zoom-in-24.png"
     "images/zoom-in-32.png"
     "images/zoom-out-24.png"
     "images/zoom-out-32.png"
 )

 qt_add_resources(pdfviewerwidgets "resources"
     PREFIX
         "/icons"
     FILES
         ${resources_resource_files}
 )

 install(TARGETS pdfviewerwidgets
     RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
     BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
     LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
 )