101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
#include "widget.h"
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#include "ui_widget.h"
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#include "qperson.h"
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#include "QMetaProperty"
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Widget::Widget(QWidget *parent)
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: QWidget(parent)
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, ui(new Ui::Widget)
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{
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ui->setupUi(this);
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boy = new QPerson("南街");
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boy->setProperty("score", 99);
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boy->setProperty("age", 10);
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boy->setProperty("sex", "Boy"); //动态属性
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ui->spinBoy->setValue(10);
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connect(boy, &QPerson::ageChanged, this, &Widget::on_ageChanged);
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girl = new QPerson("小丽");
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girl->setProperty("score", 66);
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girl->setProperty("age", 6);
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girl->setProperty("sex", "Girl"); //动态属性
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ui->spinGirl->setValue(6);
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connect(girl, &QPerson::ageChanged, this, &Widget::on_ageChanged);
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ui->spinBoy->setProperty("isBoy", true); // ui动态属性
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ui->spinGirl->setProperty("isBoy", false);
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connect(ui->spinBoy, SIGNAL(valueChanged(int)),
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this, SLOT(on_spin_valueChanged(int)));
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connect(ui->spinGirl, SIGNAL(valueChanged(int)),
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this, SLOT(on_spin_valueChanged(int)));
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}
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Widget::~Widget()
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{
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delete ui;
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}
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void Widget::on_ageChanged(int val)
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{
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Q_UNUSED(val)
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QPerson *aPerson = qobject_cast<QPerson*>(sender());
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QString hisName = aPerson->property("name").toString();
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QString hisSex = aPerson->property("sex").toString();
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int hisAge = aPerson->age();
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hisAge = aPerson->property("age").toInt();
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ui->textEdit->append(hisName + ", " + hisSex + QString::asprintf(", 年龄=%d", hisAge));
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}
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void Widget::on_spin_valueChanged(int arg1)
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{
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Q_UNUSED(arg1)
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auto spinBox = qobject_cast<QSpinBox*>(sender());
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if(spinBox->property("isBoy").toBool())
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{
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boy->setAge(arg1);
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}
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else
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{
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girl->setAge(spinBox->value());
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}
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}
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void Widget::on_btnClear_clicked()
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{
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ui->textEdit->clear();
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}
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void Widget::on_btnBoyInc_clicked()
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{
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int val = ui->spinBoy->value();
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ui->spinBoy->setValue(++val);
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}
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void Widget::on_btnGirlInc_clicked()
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{
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int val = ui->spinGirl->value();
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ui->spinGirl->setValue(++val);
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}
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void Widget::on_btnClassInfo_clicked()
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{
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const QMetaObject* meta=boy->metaObject();
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ui->textEdit->clear();
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ui->textEdit->append("==元对象信息==\n");
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ui->textEdit->append(
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QString("类名: %1\n").arg(meta->className()));
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ui->textEdit->append("properties:\n");
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for (int i= meta->propertyOffset(); i < meta->propertyCount(); ++i)
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{
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QMetaProperty prop = meta->property(i);
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auto propName = prop.name();
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auto propVal = boy->property(propName).toString();
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ui->textEdit->append(
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QString("属性名=%1，属性值=%2").arg(propName).arg(propVal));
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}
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ui->textEdit->append("");
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ui->textEdit->append("classInfo");
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for (int i= meta->classInfoOffset(); i< meta->classInfoCount(); ++i)
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{
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QMetaClassInfo classInfo = meta->classInfo(i);
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ui->textEdit->append(QString("Name=%1; Value=%2").arg(classInfo.name()).arg(classInfo.value()));
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}
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}
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