Qt 当我单击X按钮时,QMessageBox不会关闭
我有以下代码 1) 文件对话框.hQt 当我单击X按钮时,QMessageBox不会关闭,qt,user-interface,qmessagebox,Qt,User Interface,Qmessagebox,我有以下代码 1) 文件对话框.h class Dialog : public QDialog { Q_OBJECT public: Dialog(QWidget *parent = 0); private slots: void questionMessage(); }; 案例1: 2) dialog.cpp void Dialog::questionMessage() { QMessageBox::StandardButton reply; reply
class Dialog : public QDialog
{
Q_OBJECT
public:
Dialog(QWidget *parent = 0);
private slots:
void questionMessage();
};
案例1:
2) dialog.cpp
void Dialog::questionMessage()
{
QMessageBox::StandardButton reply;
reply = QMessageBox::question(this, tr("QMessageBox::question()"),
MESSAGE,
QMessageBox::Yes | QMessageBox::No );
if (reply == QMessageBox::Yes)
qDebug() << "Yes";
else if (reply == QMessageBox::No)
qDebug() << "No";
else
qDebug() << "Cancel";
}
void Dialog::questionMessage()
{
QMessageBox::标准按钮回复;
reply=QMessageBox::question(这个,tr(“QMessageBox::question()”),
消息
QMessageBox::Yes | QMessageBox::No);
if(reply==QMessageBox::Yes)
qDebug()我刚刚试过你的代码,但没有你说的行为。你使用的是哪个版本的qt。qt 5.7.1所以Linux在另一篇文章中也有类似的观察结果,请看下面的答案:
void Dialog::questionMessage()
{
QMessageBox::StandardButton reply;
reply = QMessageBox::question(this, tr("QMessageBox::question()"),
"MESSAGE",
QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel);
if (reply == QMessageBox::Yes)
qDebug() << "Yes";
else if (reply == QMessageBox::No)
qDebug() << "No";
else
qDebug() << "Cancel";
}