QT中ClassWizard例子
ClassWizard.h
#ifndef CLASSWIZARD_H #define CLASSWIZARD_H #includeQT_BEGIN_NAMESPACE class QCheckBox; class QGroupBox; class QLabel; class QLineEdit; class QRadioButton; QT_END_NAMESPACE //! [0] class ClassWizard : public QWizard { Q_OBJECT public: ClassWizard(QWidget *parent = 0); void accept(); }; //! [0] //! [1] class IntroPage : public QWizardPage { Q_OBJECT public: IntroPage(QWidget *parent = 0); private: QLabel *label; }; //! [1] //! [2] class ClassInfoPage : public QWizardPage { Q_OBJECT public: ClassInfoPage(QWidget *parent = 0); private: QLabel *classNameLabel; QLabel *baseClassLabel; QLineEdit *classNameLineEdit; QLineEdit *baseClassLineEdit; QCheckBox *qobjectMacroCheckBox; QGroupBox *groupBox; QRadioButton *qobjectCtorRadioButton; QRadioButton *qwidgetCtorRadioButton; QRadioButton *defaultCtorRadioButton; QCheckBox *copyCtorCheckBox; }; //! [2] //! [3] class CodeStylePage : public QWizardPage { Q_OBJECT public: CodeStylePage(QWidget *parent = 0); protected: void initializePage(); private: QCheckBox *commentCheckBox; QCheckBox *protectCheckBox; QCheckBox *includeBaseCheckBox; QLabel *macroNameLabel; QLabel *baseIncludeLabel; QLineEdit *macroNameLineEdit; QLineEdit *baseIncludeLineEdit; }; //! [3] class OutputFilesPage : public QWizardPage { Q_OBJECT public: OutputFilesPage(QWidget *parent = 0); protected: void initializePage(); private: QLabel *outputDirLabel; QLabel *headerLabel; QLabel *implementationLabel; QLineEdit *outputDirLineEdit; QLineEdit *headerLineEdit; QLineEdit *implementationLineEdit; }; class ConclusionPage : public QWizardPage { Q_OBJECT public: ConclusionPage(QWidget *parent = 0); protected: void initializePage(); private: QLabel *label; }; #endif
classwizard.cpp
#include#include "classwizard.h" //! [0] //! [1] ClassWizard::ClassWizard(QWidget *parent) : QWizard(parent) { addPage(new IntroPage); addPage(new ClassInfoPage); addPage(new CodeStylePage); addPage(new OutputFilesPage); addPage(new ConclusionPage); //! [0] setPixmap(QWizard::BannerPixmap, QPixmap(":/images/banner.png")); setPixmap(QWizard::BackgroundPixmap, QPixmap(":/images/background.png")); setWindowTitle(tr("Class Wizard")); //! [2] } //! [1] //! [2] //! [3] void ClassWizard::accept() //! [3] //! [4] { QByteArray className = field("className").toByteArray(); QByteArray baseClass = field("baseClass").toByteArray(); QByteArray macroName = field("macroName").toByteArray(); QByteArray baseInclude = field("baseInclude").toByteArray(); QString outputDir = field("outputDir").toString(); QString header = field("header").toString(); QString implementation = field("implementation").toString(); //! [4] QByteArray block; if (field("comment").toBool()) { block += "/*\n"; block += " " + header.toAscii() + "\n"; block += "*/\n"; block += "\n"; } if (field("protect").toBool()) { block += "#ifndef " + macroName + "\n"; block += "#define " + macroName + "\n"; block += "\n"; } if (field("includeBase").toBool()) { block += "#include " + baseInclude + "\n"; block += "\n"; } block += "class " + className; if (!baseClass.isEmpty()) block += " : public " + baseClass; block += "\n"; block += "{\n"; /* qmake ignore Q_OBJECT */ if (field("qobjectMacro").toBool()) { block += " Q_OBJECT\n"; block += "\n"; } block += "public:\n"; if (field("qobjectCtor").toBool()) { block += " " + className + "(QObject *parent = 0);\n"; } else if (field("qwidgetCtor").toBool()) { block += " " + className + "(QWidget *parent = 0);\n"; } else if (field("defaultCtor").toBool()) { block += " " + className + "();\n"; if (field("copyCtor").toBool()) { block += " " + className + "(const " + className + " &other);\n"; block += "\n"; block += " " + className + " &operator=" + "(const " + className + " &other);\n"; } } block += "};\n"; if (field("protect").toBool()) { block += "\n"; block += "#endif\n"; } QFile headerFile(outputDir + "/" + header); if (!headerFile.open(QFile::WriteOnly | QFile::Text)) { QMessageBox::warning(0, QObject::tr("Simple Wizard"), QObject::tr("Cannot write file %1:\n%2") .arg(headerFile.fileName()) .arg(headerFile.errorString())); return; } headerFile.write(block); block.clear(); if (field("comment").toBool()) { block += "/*\n"; block += " " + implementation.toAscii() + "\n"; block += "*/\n"; block += "\n"; } block += "#include \"" + header.toAscii() + "\"\n"; block += "\n"; if (field("qobjectCtor").toBool()) { block += className + "::" + className + "(QObject *parent)\n"; block += " : " + baseClass + "(parent)\n"; block += "{\n"; block += "}\n"; } else if (field("qwidgetCtor").toBool()) { block += className + "::" + className + "(QWidget *parent)\n"; block += " : " + baseClass + "(parent)\n"; block += "{\n"; block += "}\n"; } else if (field("defaultCtor").toBool()) { block += className + "::" + className + "()\n"; block += "{\n"; block += " // missing code\n"; block += "}\n"; if (field("copyCtor").toBool()) { block += "\n"; block += className + "::" + className + "(const " + className + " &other)\n"; block += "{\n"; block += " *this = other;\n"; block += "}\n"; block += "\n"; block += className + " &" + className + "::operator=(const " + className + " &other)\n"; block += "{\n"; if (!baseClass.isEmpty()) block += " " + baseClass + "::operator=(other);\n"; block += " // missing code\n"; block += " return *this;\n"; block += "}\n"; } } QFile implementationFile(outputDir + "/" + implementation); if (!implementationFile.open(QFile::WriteOnly | QFile::Text)) { QMessageBox::warning(0, QObject::tr("Simple Wizard"), QObject::tr("Cannot write file %1:\n%2") .arg(implementationFile.fileName()) .arg(implementationFile.errorString())); return; } implementationFile.write(block); //! [5] QDialog::accept(); //! [5] //! [6] } //! [6] //! [7] IntroPage::IntroPage(QWidget *parent) : QWizardPage(parent) { setTitle(tr("Introduction")); setPixmap(QWizard::WatermarkPixmap, QPixmap(":/images/watermark1.png")); label = new QLabel(tr("This wizard will generate a skeleton C++ class " "definition, including a few functions. You simply " "need to specify the class name and set a few " "options to produce a header file and an " "implementation file for your new C++ class.")); label->setWordWrap(true); QVBoxLayout *layout = new QVBoxLayout; layout->addWidget(label); setLayout(layout); } //! [7] //! [8] //! [9] ClassInfoPage::ClassInfoPage(QWidget *parent) : QWizardPage(parent) { //! [8] setTitle(tr("Class Information")); setSubTitle(tr("Specify basic information about the class for which you " "want to generate skeleton source code files.")); setPixmap(QWizard::LogoPixmap, QPixmap(":/images/logo1.png")); //! [10] classNameLabel = new QLabel(tr("&Class name:")); classNameLineEdit = new QLineEdit; classNameLabel->setBuddy(classNameLineEdit); baseClassLabel = new QLabel(tr("B&ase class:")); baseClassLineEdit = new QLineEdit; baseClassLabel->setBuddy(baseClassLineEdit); qobjectMacroCheckBox = new QCheckBox(tr("Generate Q_OBJECT ¯o")); //! [10] groupBox = new QGroupBox(tr("C&onstructor")); //! [9] qobjectCtorRadioButton = new QRadioButton(tr("&QObject-style constructor")); qwidgetCtorRadioButton = new QRadioButton(tr("Q&Widget-style constructor")); defaultCtorRadioButton = new QRadioButton(tr("&Default constructor")); copyCtorCheckBox = new QCheckBox(tr("&Generate copy constructor and " "operator=")); defaultCtorRadioButton->setChecked(true); connect(defaultCtorRadioButton, SIGNAL(toggled(bool)), copyCtorCheckBox, SLOT(setEnabled(bool))); //! [11] //! [12] registerField("className*", classNameLineEdit); registerField("baseClass", baseClassLineEdit); registerField("qobjectMacro", qobjectMacroCheckBox); //! [11] registerField("qobjectCtor", qobjectCtorRadioButton); registerField("qwidgetCtor", qwidgetCtorRadioButton); registerField("defaultCtor", defaultCtorRadioButton); registerField("copyCtor", copyCtorCheckBox); QVBoxLayout *groupBoxLayout = new QVBoxLayout; //! [12] groupBoxLayout->addWidget(qobjectCtorRadioButton); groupBoxLayout->addWidget(qwidgetCtorRadioButton); groupBoxLayout->addWidget(defaultCtorRadioButton); groupBoxLayout->addWidget(copyCtorCheckBox); groupBox->setLayout(groupBoxLayout); QGridLayout *layout = new QGridLayout; layout->addWidget(classNameLabel, 0, 0); layout->addWidget(classNameLineEdit, 0, 1); layout->addWidget(baseClassLabel, 1, 0); layout->addWidget(baseClassLineEdit, 1, 1); layout->addWidget(qobjectMacroCheckBox, 2, 0, 1, 2); layout->addWidget(groupBox, 3, 0, 1, 2); setLayout(layout); //! [13] } //! [13] //! [14] CodeStylePage::CodeStylePage(QWidget *parent) : QWizardPage(parent) { setTitle(tr("Code Style Options")); setSubTitle(tr("Choose the formatting of the generated code.")); setPixmap(QWizard::LogoPixmap, QPixmap(":/images/logo2.png")); commentCheckBox = new QCheckBox(tr("&Start generated files with a " //! [14] "comment")); commentCheckBox->setChecked(true); protectCheckBox = new QCheckBox(tr("&Protect header file against multiple " "inclusions")); protectCheckBox->setChecked(true); macroNameLabel = new QLabel(tr("&Macro name:")); macroNameLineEdit = new QLineEdit; macroNameLabel->setBuddy(macroNameLineEdit); includeBaseCheckBox = new QCheckBox(tr("&Include base class definition")); baseIncludeLabel = new QLabel(tr("Base class include:")); baseIncludeLineEdit = new QLineEdit; baseIncludeLabel->setBuddy(baseIncludeLineEdit); connect(protectCheckBox, SIGNAL(toggled(bool)), macroNameLabel, SLOT(setEnabled(bool))); connect(protectCheckBox, SIGNAL(toggled(bool)), macroNameLineEdit, SLOT(setEnabled(bool))); connect(includeBaseCheckBox, SIGNAL(toggled(bool)), baseIncludeLabel, SLOT(setEnabled(bool))); connect(includeBaseCheckBox, SIGNAL(toggled(bool)), baseIncludeLineEdit, SLOT(setEnabled(bool))); registerField("comment", commentCheckBox); registerField("protect", protectCheckBox); registerField("macroName", macroNameLineEdit); registerField("includeBase", includeBaseCheckBox); registerField("baseInclude", baseIncludeLineEdit); QGridLayout *layout = new QGridLayout; layout->setColumnMinimumWidth(0, 20); layout->addWidget(commentCheckBox, 0, 0, 1, 3); layout->addWidget(protectCheckBox, 1, 0, 1, 3); layout->addWidget(macroNameLabel, 2, 1); layout->addWidget(macroNameLineEdit, 2, 2); layout->addWidget(includeBaseCheckBox, 3, 0, 1, 3); layout->addWidget(baseIncludeLabel, 4, 1); layout->addWidget(baseIncludeLineEdit, 4, 2); //! [15] setLayout(layout); } //! [15] //! [16] void CodeStylePage::initializePage() { QString className = field("className").toString(); macroNameLineEdit->setText(className.toUpper() + "_H"); QString baseClass = field("baseClass").toString(); includeBaseCheckBox->setChecked(!baseClass.isEmpty()); includeBaseCheckBox->setEnabled(!baseClass.isEmpty()); baseIncludeLabel->setEnabled(!baseClass.isEmpty()); baseIncludeLineEdit->setEnabled(!baseClass.isEmpty()); if (baseClass.isEmpty()) { baseIncludeLineEdit->clear(); } else if (QRegExp("Q[A-Z].*").exactMatch(baseClass)) { baseIncludeLineEdit->setText("<" + baseClass + ">"); } else { baseIncludeLineEdit->setText("\"" + baseClass.toLower() + ".h\""); } } //! [16] OutputFilesPage::OutputFilesPage(QWidget *parent) : QWizardPage(parent) { setTitle(tr("Output Files")); setSubTitle(tr("Specify where you want the wizard to put the generated " "skeleton code.")); setPixmap(QWizard::LogoPixmap, QPixmap(":/images/logo3.png")); outputDirLabel = new QLabel(tr("&Output directory:")); outputDirLineEdit = new QLineEdit; outputDirLabel->setBuddy(outputDirLineEdit); headerLabel = new QLabel(tr("&Header file name:")); headerLineEdit = new QLineEdit; headerLabel->setBuddy(headerLineEdit); implementationLabel = new QLabel(tr("&Implementation file name:")); implementationLineEdit = new QLineEdit; implementationLabel->setBuddy(implementationLineEdit); registerField("outputDir*", outputDirLineEdit); registerField("header*", headerLineEdit); registerField("implementation*", implementationLineEdit); QGridLayout *layout = new QGridLayout; layout->addWidget(outputDirLabel, 0, 0); layout->addWidget(outputDirLineEdit, 0, 1); layout->addWidget(headerLabel, 1, 0); layout->addWidget(headerLineEdit, 1, 1); layout->addWidget(implementationLabel, 2, 0); layout->addWidget(implementationLineEdit, 2, 1); setLayout(layout); } //! [17] void OutputFilesPage::initializePage() { QString className = field("className").toString(); headerLineEdit->setText(className.toLower() + ".h"); implementationLineEdit->setText(className.toLower() + ".cpp"); outputDirLineEdit->setText(QDir::convertSeparators(QDir::tempPath())); } //! [17] ConclusionPage::ConclusionPage(QWidget *parent) : QWizardPage(parent) { setTitle(tr("Conclusion")); setPixmap(QWizard::WatermarkPixmap, QPixmap(":/images/watermark2.png")); label = new QLabel; label->setWordWrap(true); QVBoxLayout *layout = new QVBoxLayout; layout->addWidget(label); setLayout(layout); } void ConclusionPage::initializePage() { QString finishText = wizard()->buttonText(QWizard::FinishButton); finishText.remove('&'); label->setText(tr("Click %1 to generate the class skeleton.") .arg(finishText)); }
mian.cpp
#include#include #include #include #include "classwizard.h" int main(int argc, char *argv[]) { Q_INIT_RESOURCE(classwizard); QApplication app(argc, argv); QString translatorFileName = QLatin1String("qt_"); translatorFileName += QLocale::system().name(); QTranslator *translator = new QTranslator(&app); if (translator->load(translatorFileName, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) app.installTranslator(translator); ClassWizard wizard; wizard.show(); return app.exec(); }
