mainwindow.h Example File

mainwindows/mdi/mainwindow.h
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#ifndef MAINWINDOW_H #define MAINWINDOW_H #include <QMainWindow> class MdiChild; class QAction; class QMenu; class QMdiArea; class QMdiSubWindow; class MainWindow : public QMainWindow { Q_OBJECT public: MainWindow(); bool openFile(const QString &fileName); protected: void closeEvent(QCloseEvent *event) override; private slots: void newFile(); void open(); void save(); void saveAs(); void updateRecentFileActions(); void openRecentFile(); #ifndef QT_NO_CLIPBOARD void cut(); void copy(); void paste(); #endif void about(); void updateMenus(); void updateWindowMenu(); MdiChild *createMdiChild(); void switchLayoutDirection(); private: enum { MaxRecentFiles = 5 }; void createActions(); void createStatusBar(); void readSettings(); void writeSettings(); bool loadFile(const QString &fileName); static bool hasRecentFiles(); void prependToRecentFiles(const QString &fileName); void setRecentFilesVisible(bool visible); MdiChild *activeMdiChild() const; QMdiSubWindow *findMdiChild(const QString &fileName) const; QMdiArea *mdiArea; QMenu *windowMenu; QAction *newAct; QAction *saveAct; QAction *saveAsAct; QAction *recentFileActs[MaxRecentFiles]; QAction *recentFileSeparator; QAction *recentFileSubMenuAct; #ifndef QT_NO_CLIPBOARD QAction *cutAct; QAction *copyAct; QAction *pasteAct; #endif QAction *closeAct; QAction *closeAllAct; QAction *tileAct; QAction *cascadeAct; QAction *nextAct; QAction *previousAct; QAction *windowMenuSeparatorAct; }; #endif