显示不是类名或者命名空间

2013-06-30 10:39:25 4.7k 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

如果相同的类名在两个嵌套的命名空间中定义，使用时最好显示标注命名空间 @C++ @TOC C++ 相同的类名，定义在不同的命名空间思考下面的代码。定义了两个class A，分别存在于命名空间MySpace，和SubSpace。 namespace MySpace { class A{ int a; public: A()=default; void Print(){cout<<"I'm class MySpace::A\n";} }; namespace Su 阅读详情

FindDialog::FindDialog(QWidget *parent):QDialog(parent)

{

    label=new QLabel(tr("Find &what:"));

    lineEdit=new QLineEdit;

    label->setBuddy(lineEdit);

    caseCheckBox=new QCheckBox(tr("Match &case"));

    backwardCheckBox=new QCheckBox(tr("Search &backward"));

    findButton=new QPushButton(tr("&Find"));

    findButton->setDefault(true);

    findButton->setEnabled(false);

    closeButton=new QPushButton(tr("&close"));

    connect(lineEdit,SIGNAL(textChanged(const QString &)),this,SLOT(enableFindButton()));

    connect(findButton,SIGNAL(clicked()),this,SLOT(findCliked()));

    connect(closeButton,SIGNAL(clicked()),this,SLOT(closdt()));

    QHBoxLayout *topleftLayout=new QHBoxLayout;

    topleftLayout->addWidget(label);

#ifndef HAHA_H

#define HAHA_H

#include <QDialog>

class QCheckBox;

class QLabel;

class QLineEdit;

class QPushButton;



class FindDialog:public QDialog

{

    Q_OBJECT

public:

    FindDialog(QWidget *parent=0);

signals:

    void findNext(const QString &str,Qt::CaseSensitivity cs);

    void findPrevious(const QString &str,Qt::CaseSensitivity cs);

private slots:

    void findCliked();

    void enableFindButton(const QString &text);

private:

    QLabel *label;

    QLineEdit *lineEdit;

    QCheckBox *caseCheckBox;

    QCheckBox *backwardCheckBox;

    QPushButton *findButton;

    QPushButton *closeButton;

};