}classWidget :publicQWidget { Q_OBJECTpublic:explicitWidget(QWidget *parent =0);~Widget();privateslots:voidon_pushButton_clicked();voidnewConnection();voidreadMessage();voidsendMessage();voiddisplayError(QAbstractSocket::SocketError); private: Ui::Widget*ui; QTcpSocket*tcpSocket; QString message...
ButtonWidget::ButtonWidget(QStringList texts, QWidget*parent) : QWidget(parent) { signalMapper=newQSignalMapper(this); QGridLayout*gridLayout =newQGridLayout;for(inti =0; i < texts.size(); ++i) { QPushButton*button =newQPushButton(texts[i]);//将信号发送给signalMapper对象的map()函数con...
class MyWidget : public QWidget { Q_OBJECT public: MyWidget(); signals: void buttonClicked(); private: QPushButton *myButton; }; MyWidget::MyWidget() { myButton = new QPushButton(this); connect(myButton, SIGNAL(clicked()), this, SIGNAL(buttonClicked())); } In this example, the ...
explicit ProjectWin(QWidget *parent = nullptr); static void destroyInstance(); public: Q_SIGNALS: void sigShowImageBorder(const QString &imageName); public Q_SLOTS: void slotPicTree(QVector<QString> lst, QString path); void onItemClicked(QTreeWidgetItem *item, int column); }; #endif //...
Q_OBJECT public: MainWindow(QWidget*parent=nullptr); ~MainWindow(); private: //枚举类型treeItemType,创建节点时用作Type参数,自定义类型必须大于1000 enumtreeItemType{itTopItem=1001,itGroupItem,itImageItem}; enumtreeColNum{colItem=0,colItemType}; ...
QWidget *parent = nullptr is the parent of the new widget. If it is nullptr (the default), the new widget will be a window. If not, it will be a child of parent, and be constrained by parent's geometry (unless you specify Qt::Window as window flag). Qt::WindowFlags f = { ...
classMyGLWidget :publicQOpenGLWidget{public: MyGLWidget(QWidget*parent) :QOpenGLWidget(parent) { }protected:voidinitializeGL() override {// Set up the rendering context, load shaders and other resources, etc.:QOpenGLFunctions*f=QOpenGLContext::currentContext()->functions(); f->glClearColor(...
Qt 里经常见 #include 和 class QXXX。前者是包含头文件,头文件中一般来说包含了 QXXX 类的定义,编译代码时预处理器要做 include 头文件的...
class MyGLWidget : public QOpenGLWidget { public: MyGLWidget(QWidget *parent) : QOpenGLWidget(parent) { } protected: void initializeGL() override { // Set up the rendering context, load shaders and other resources, etc.: QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions(...
1.在.h文件中,将ui从privete转移到public 1public:2Ui::ParamSetting *ui; 1. 2. 2.在.cpp文件中,定义指针,并且在构造函数中写入:指针=this; 1ParamSetting *paramSet;2ParamSetting::ParamSetting(QWidget *parent) :3QDialog(parent),4ui(newUi::ParamSetting)5{6ui->setupUi(this);7paramSet =this...