拼图游戏，QT实现,学C++的可以参考下原理

/**************************************************************************** ** Meta object code from reading C++ file 'widget.h' ** ** Created by: The Qt Meta Object Compiler version 67 (Qt 5.7.0) ** ** WARNING! All changes made in this file will be lost! *****************************************************************************/ #include "../../widget.h" #include <QtCore/qbytearray.h> #include <QtCore/qmetatype.h> #if !defined(Q_MOC_OUTPUT_REVISION) #error "The header file 'widget.h' doesn't include <QObject>." #elif Q_MOC_OUTPUT_REVISION != 67 #error "This file was generated using the moc from 5.7.0. It" #error "cannot be used with the include files from this version of Qt." #error "(The moc has changed too much.)" #endif QT_BEGIN_MOC_NAMESPACE struct qt_meta_stringdata_Widget_t { QByteArrayData data[6]; char stringdata0[58]; }; #define QT_MOC_LITERAL(idx, ofs, len) \ Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(len, \ qptrdiff(offsetof(qt_meta_stringdata_Widget_t, stringdata0) + ofs \ - idx * sizeof(QByteArrayData)) \ ) static const qt_meta_stringdata_Widget_t qt_meta_stringdata_Widget = { { QT_MOC_LITERAL(0, 0, 6), // "Widget" QT_MOC_LITERAL(1, 7, 8), // "openFile" QT_MOC_LITERAL(2, 16, 0), // "" QT_MOC_LITERAL(3, 17, 12), // "lowGameLevel" QT_MOC_LITERAL(4, 30, 12), // "midGameLevel" QT_MOC_LITERAL(5, 43, 14) // "hightGameLevel" }, "Widget\0openFile\0\0lowGameLevel\0" "midGameLevel\0hightGameLevel" }; #undef QT_MOC_LITERAL static const uint qt_meta_data_Widget[] = { // content: 7, // revision 0, // classname 0, 0, // classinfo 4, 14, // methods 0, 0, // properties 0, 0, // enums/sets 0, 0, // constructors 0, // flags 0, // signalCount // slots: name, argc, parameters, tag, flags 1, 0, 34, 2, 0x0a /* Public */, 3, 0, 35, 2, 0x0a /* Public */, 4, 0, 36, 2, 0x0a /* Public */, 5, 0, 37, 2, 0x0a /* Public */, // slots: parameters QMetaType::Void, QMetaType::Void, QMetaType::Void, QMetaType::Void, 0 // eod }; void Widget::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id, void **_a) { if (_c == QMetaObject::InvokeMetaMethod) { Widget *_t = static_cast<Widget *>(_o); Q_UNUSED(_t) switch (_id) { case 0: _t->openFile(); break; case 1: _t->lowGameLevel(); break; case 2: _t->midGameLevel(); break; case 3: _t->hightGameLevel(); break; default: ; } } Q_UNUSED(_a); } const QMetaObject Widget::staticMetaObject = { { &QMainWindow::staticMetaObject, qt_meta_stringdata_Widget.data, qt_meta_data_Widget, qt_static_metacall, Q_NULLPTR, Q_NULLPTR} }; const QMetaObject *Widget::metaObject() const { return QObject::d_ptr->metaObject ? QObject::d_ptr->dynamicMetaObject() : &staticMetaObject; } void *Widget::qt_metacast(const char *_clname) { if (!_clname) return Q_NULLPTR; if (!strcmp(_clname, qt_meta_stringdata_Widget.stringdata0)) return static_cast<void*>(const_cast< Widget*>(this)); return QMainWindow::qt_metacast(_clname); } int Widget::qt_metacall(QMetaObject::Call _c, int _id, void **_a) { _id = QMainWindow::qt_metacall(_c, _id, _a); if (_id < 0) return _id; if (_c == QMetaObject::InvokeMetaMethod) { if (_id < 4) qt_static_metacall(this, _c, _id, _a); _id -= 4; } else if (_c == QMetaObject::RegisterMethodArgumentMetaType) { if (_id < 4) *reinterpret_cast<int*>(_a[0]) = -1; _id -= 4; } return _id; } struct qt_meta_stringdata_Frame_t { QByteArrayData data[1]; char stringdata0[6]; }; #define QT_MOC_LITERAL(idx, ofs, len) \ Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(len, \ qptrdiff(offsetof(qt_meta_stringdata_Frame_t, stringdata0) + ofs \ - idx * sizeof(QByteArrayData)) \ ) static const qt_meta_stringdata_Frame_t qt_meta_stringdata_Frame = { { QT_MOC_LITERAL(0, 0, 5) // "Frame" }, "Frame" }; #undef QT_MOC_LITERAL static const uint qt_meta_data_Frame[] = { // content: 7, // revision 0, // classname 0, 0, // classinfo 0, 0, // methods 0, 0, // properties 0, 0, // enums/sets 0, 0, // constructors 0, // flags 0, // signalCount 0 // eod }; void Frame::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id, void **_a) { Q_UNUSED(_o); Q_UNUSED(_id); Q_UNUSED(_c); Q_UNUSED(_a); } const QMetaObject Frame::staticMetaObject = { { &QFrame::staticMetaObject, qt_meta_stringdata_Frame.data, qt_meta_data_Frame, qt_static_metacall, Q_NULLPTR, Q_NULLPTR} }; const QMetaObject *Frame::metaObject() const { return QObject::d_ptr->metaObject ? QObject::d_ptr->dynamicMetaObject() : &staticMetaObject; } void *Frame::qt_metacast(const char *_clname) { if (!_clname) return Q_NULLPTR; if (!strcmp(_clname, qt_meta_stringdata_Frame.stringdata0)) return static_cast<void*>(const_cast< Frame*>(this)); return QFrame::qt_metacast(_clname); } int Frame::qt_metacall(QMetaObject::Call _c, int _id, void **_a) { _id = QFrame::qt_metacall(_c, _id, _a); if (_id < 0) return _id; return _id; } QT_END_MOC_NAMESPACE