Qt5.10下QtTreePropertyBrowser的应用_qtvariantpropertymanager

最近在使用Qt做一个项目，用到了类似于qtcreator的UI设计器的树形属性页。借鉴了网上各位大神的帖子接合自己的实现，写点东西留一个脚印。

环境：centos7 + Qt5.10

1、Qt5.10本身已自带QtTreePropertyBrowser，但在Qt5.10安装的时候需勾选“源代码”选项。具体路径：/opt/Qt5.10.1/5.10.1/Src/qttools/src/shared/qtpropertybrowser

2、示例

1）、用qtcreator创建一个“test”工程，打开test.pro文件，加入如下图所示的include一行（红线）

qtpropertybrowser.pri就被包含在test工程中了，也就可以使用qtpropertybrowser了。

2）、有两种方式使用qtpropertybrowser，一种是使用UI设计器，一种是在代码中直接创建对象。下面介绍使用UI设计器的（从MFC过来的，比较倾向于使用设计器，所见即所得）。

打开mainwindow.ui，拉一个widget，右键->提升为->QtTreePropertyBrowser。

接下来就是创建自己的树形属性页了。

具体见下面代码：

mainwindow.h

class MainWindow : public QMainWindow
{
    Q_OBJECT
 
public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();
 
    QtVariantPropertyManager* m_pVarManager;
    QtVariantEditorFactory *m_pVarFactory;
 
    QMap<QtProperty*, QString> m_property_dic;
 
private slots:
    void on_clear_pushButton_clicked();
 
    void on_pushButton_2_clicked();
 
private:
    Ui::MainWindow *ui;
 
private slots:
    void variantPropertyValueChanged(QtProperty* property, const QVariant &value);
 
};

mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QDebug>
 
MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
 
    m_pVarManager = new QtVariantPropertyManager(ui->propertyTree);
    m_pVarFactory = new QtVariantEditorFactory(ui->propertyTree);
    connect(m_pVarManager, &QtVariantPropertyManager::valueChanged, this, &MainWindow::variantPropertyValueChanged);
 
    QtProperty *groupItem = m_pVarManager->addProperty(QtVariantPropertyManager::groupTypeId(),QStringLiteral("Group1"));
 
    QtVariantProperty *item = m_pVarManager->addProperty(QVariant::Int, QStringLiteral("Int: "));
    item->setValue(100);
    groupItem->addSubProperty(item);
 
    item = m_pVarManager->addProperty(QVariant::Bool,QStringLiteral("Bool: "));
    item->setValue(true);
    groupItem->addSubProperty(item);
 
    item = m_pVarManager->addProperty(QVariant::Double,QStringLiteral("Double: "));
    item->setValue(3.14);
    groupItem->addSubProperty(item);
 
    item = m_pVarManager->addProperty(QVariant::String,QStringLiteral("String: "));
    item->setValue(QStringLiteral("hello world"));
    groupItem->addSubProperty(item);
 
    QtProperty *groupItem1 = m_pVarManager->addProperty(QtVariantPropertyManager::groupTypeId(),QStringLiteral("Group2"));
 
    QtVariantProperty *item1 = m_pVarManager->addProperty(QVariant::Int, QStringLiteral("Int: "));
    item1->setValue(100);
    groupItem1->addSubProperty(item1);
 
    item1 = m_pVarManager->addProperty(QVariant::String,QStringLiteral("String: "));
    item1->setValue(QStringLiteral("hello world"));
    groupItem1->addSubProperty(item1);
 
    item1 = m_pVarManager->addProperty(QVariant::Color, QStringLiteral("Color: "));
    item1->setValue(QColor(255, 0, 0));
    groupItem1->addSubProperty(item1);
 
    item1 = m_pVarManager->addProperty(QtVariantPropertyManager::enumTypeId(), QLatin1String("Enum Property"));
    QStringList enumNames;
    enumNames << "Enum0" << "Enum1" << "Enum2";
    item1->setAttribute(QLatin1String("enumNames"), enumNames);
    item1->setValue(1);
    groupItem1->addSubProperty(item1);
 
    ui->propertyTree->addProperty(groupItem);
    ui->propertyTree->addProperty(groupItem1);
    ui->propertyTree->setFactoryForManager(m_pVarManager, m_pVarFactory);
}
 
MainWindow::~MainWindow()
{
    delete m_pVarManager;
    delete m_pVarFactory;
 
    delete ui;
}
 
void MainWindow::on_clear_pushButton_clicked()
{
    m_pVarManager->clear();
}
 
void MainWindow::on_pushButton_2_clicked()
{
    m_pVarManager = new QtVariantPropertyManager(ui->propertyTree);
    m_pVarFactory = new QtVariantEditorFactory(ui->propertyTree);
 
    connect(m_pVarManager, &QtVariantPropertyManager::valueChanged, this, &MainWindow::variantPropertyValueChanged);
 
    QtProperty *groupItem = m_pVarManager->addProperty(QtVariantPropertyManager::groupTypeId(),QStringLiteral("Group1"));
 
    QtVariantProperty *item = m_pVarManager->addProperty(QVariant::Int, QStringLiteral("Int: "));
    item->setValue(100);
    groupItem->addSubProperty(item);
 
    item = m_pVarManager->addProperty(QVariant::Bool,QStringLiteral("Bool: "));
    item->setValue(true);
    groupItem->addSubProperty(item);
 
    item = m_pVarManager->addProperty(QVariant::Double,QStringLiteral("Double: "));
    item->setValue(3.14);
    groupItem->addSubProperty(item);
 
    item = m_pVarManager->addProperty(QVariant::String,QStringLiteral("String: "));
    item->setValue(QStringLiteral("hello world"));
    groupItem->addSubProperty(item);
 
    QtProperty *groupItem1 = m_pVarManager->addProperty(QtVariantPropertyManager::groupTypeId(),QStringLiteral("Group2"));
 
    QtVariantProperty *item1 = m_pVarManager->addProperty(QVariant::Int, QStringLiteral("Int: "));
    item1->setValue(100);
    groupItem1->addSubProperty(item1);
 
    item1 = m_pVarManager->addProperty(QVariant::String,QStringLiteral("String: "));
    item1->setValue(QStringLiteral("hello world"));
    groupItem1->addSubProperty(item1);
 
    item1 = m_pVarManager->addProperty(QVariant::Color, QStringLiteral("Color: "));
    item1->setValue(QColor(255, 0, 0));
    groupItem1->addSubProperty(item1);
 
    item1 = m_pVarManager->addProperty(QtVariantPropertyManager::enumTypeId(), QLatin1String("Enum Property"));
    QStringList enumNames;
    enumNames << "Enum0" << "Enum1" << "Enum2";
    item1->setAttribute(QLatin1String("enumNames"), enumNames);
    item1->setValue(1);
    groupItem1->addSubProperty(item1);
 
    ui->propertyTree->addProperty(groupItem);
    ui->propertyTree->addProperty(groupItem1);
    ui->propertyTree->setFactoryForManager(m_pVarManager, m_pVarFactory);
}
 
void MainWindow::variantPropertyValueChanged(QtProperty *property, const QVariant &value)
{
    QString str = m_property_dic[property];
    qDebug()<<str<<": "<<value<<": "<<value.type();
}