简单 MQTT 客户端范例

# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
cmake_minimum_required(VERSION 3.16)
project(simplemqttclient LANGUAGES CXX)
set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTOUIC ON)
if(NOT DEFINED INSTALL_EXAMPLESDIR)
    set(INSTALL_EXAMPLESDIR "examples")
endif()
set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/mqtt/simpleclient")
find_package(Qt6 REQUIRED COMPONENTS Core Gui Mqtt Network Widgets)
qt_add_executable(simplemqttclient
    main.cpp
    mainwindow.cpp mainwindow.h mainwindow.ui
)
set_target_properties(simplemqttclient PROPERTIES
    WIN32_EXECUTABLE TRUE
    MACOSX_BUNDLE TRUE
)
target_compile_definitions(simplemqttclient PUBLIC
    QT_DEPRECATED_WARNINGS
)
target_link_libraries(simplemqttclient PUBLIC
    Qt::Core
    Qt::Gui
    Qt::Mqtt
    Qt::Network
)
target_link_libraries(simplemqttclient PUBLIC Qt::Widgets)
if((QT_MAJOR_VERSION GREATER 4))
    target_link_libraries(simplemqttclient PUBLIC
        Qt::Widgets
    )
endif()
install(TARGETS simplemqttclient
    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
)