#include "dialog.h"
#include <qboxlayout.h>
#include <qthread.h>
#include <qdebug.h>
Dialog::Dialog(QWidget *parent)
: QDialog(parent)
{
init();
}
Dialog::~Dialog()
{
}
void Dialog::init()
{
setWindowTitle("线程测试");
setFixedSize(360, 160);
m_btnTest = new QPushButton("测试", this);
m_btnTest->setFixedSize(100, 36);
m_btnRelease = new QPushButton("释放对象", this);
m_btnRelease->setFixedSize(100, 36);
m_obj = new MyObject(); // 不需指定父对象
qDebug() << Q_FUNC_INFO << QThread::currentThreadId();
QHBoxLayout *lay = new QHBoxLayout(this);
lay->addWidget(m_btnTest);
lay->addWidget(m_btnRelease);
connect(m_btnTest, &QPushButton::clicked, this, [this] {
if (m_obj) {
m_obj->test1();
QMetaObject::invokeMethod(m_obj, "slotTest", Qt::QueuedConnection);
}
});
connect(m_btnRelease, &QPushButton::clicked, this, [this] {
if (m_obj) {
delete m_obj;
//m_obj->deleteLater(); // 报警：QThread::wait: Thread tried to wait on itself
m_obj = nullptr;
}
});
}
