*/voidNetProperty::on_com_Interface_activated(intindex){Q_UNUSED(index)QString strName=ui->com_Interface->currentData().toString();QNetworkInterface interface=QNetworkInterface::interfaceFromName(strName);// 根据选择名称获取网卡if(!interface.isValid())// 判断接口有效{return;}ui->tableWidget->item...
static bool ValidateJsonKeys(const QString& jsonString, QSharedPointer<T1> T_Class_1) { QObject* T_Class = dynamic_cast<QObject*>(T_Class_1.data()); QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonString.toUtf8()); if (!jsonDoc.isObject()) { return false; // Return false ...
QWidget *parent = 0 is the parent of the new widget. If it is 0 (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 = 0 (where ...
propertyName = QtPropertyName::maps.value(propertyName, propertyName); if (!metaProperty.isReadable()) { subProperty = m_readOnlyManager->addProperty(QVariant::String, propertyName); subProperty->setValue(QLatin1String("< Non Readable >")); } else if (metaProperty.isEnumType()) { if (...
控件能加载拖曳拉伸了,这些都是基本的前提工作,接下来的重点就是要动态加载选中控件的属性了,Qt的属性机制那是异常的强大,只能用强大到爆来形容,Qt中编写自定义控件,如果属性都用Q_PROPERTY来描述过,那都支持整个Qt生态环境中的各种应用场景的加载,比如widget的属性设计,qml中的属性识别等,都是非常的方便。
using namespace QXlsx; #include <QStandardPaths> #include <QFileDialog> #include <QMessageBox> #include <QApplication> #include <QCoreApplication> #include<QWidget> "可能有点多,emmm应该是多了几个;但是多了程序没问题,少了程序跑不了hhh,,,就这样。如果中间发现冒红光,右键项目点击”构建“,或者qt...
控件能加载拖曳拉伸了,这些都是基本的前提工作,接下来的重点就是要动态加载选中控件的属性了,Qt的属性机制那是异常的强大,只能用强大到爆来形容,Qt中编写自定义控件,如果属性都用Q_PROPERTY来描述过,那都支持整个Qt生态环境中的各种应用场景的加载,比如widget的属性设计,qml中的属性识别等,都是非常的方便。
(QWidget*, const char*, uint)’: main.cpp:5: 错误:expected type-specifier before ‘works’ main.cpp:5: 错误:不能将‘int*’转换为‘QWidget*’,在 return 中 main.cpp:5: 错误:expected ‘;’ before ‘works’ main.cpp:5: 错误:‘works’在此作用域中尚未声明 make: *** [main.o] ...
QPainter::begin: Paint device returned engine == 0, type: 2 QWidget::render: Cannot render with an inactive painter ... QSystemTrayIcon::setVisible: No Icon set The last line is thrown when this line of code is executed: backintime/qt/qtsystrayicon.py Line 134 in e22c7f2 self...
error: unknown type name 'QMatrix' QMatrix ==>QMatrix4x4 error: no member named 'init' in 'QStyleOption' QStyleOption opt; opt.init(this); ==> opt.initFrom(this); error: no member named 'setMargin' in 'QHBoxLayout' QHBoxLayout *layout = new QHBoxLayout(this); layout->addWidge...