前言


勾选部分使用了qml, 说明部分使用了QLabel, 通过qml和qwidget交互实现checkbox功能。
另QLabel本身不支持clicked事件, 在此自己封装了一层clicked事件。
pro文件
QT += core gui quickwidgets
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
CONFIG += c++11
# The following define makes your compiler emit warnings if you use
# any Qt feature that has been marked 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 it uses 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
SOURCES += \
CCheckBox.cpp \
CLabel.cpp \
main.cpp \
HEADERS += \
CCheckBox.h \
CLabel.h \
FORMS += \
CCheckBox.ui \
# Default rules for deployment.
qnx: target.path = /tmp/$${
TARGET}/bin
else: unix:!android: target.path = /opt/$${
TARGET}/bin
!isEmpty(target.path): INSTALLS += target
DISTFILES += \
CCheckItem.qml
main.cpp
#include <QApplication>
#include "CCheckBox.h"
int main(int argc, char *argv[])
{

本文档介绍了一个使用QML和QWidget结合的实现,通过自定义的CCheckBox和CLabel组件,扩展了QLabel的点击事件,并在QML中创建了一个带勾选功能的矩形元素。在C++中,定义了CCheckBox类来处理信号和槽,同时封装了信号以实现QLabel的点击交互。此外,还提供了项目的.pro配置文件和主函数main.cpp的代码。
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