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50
51#ifndef MAINWINDOW_H
52#define MAINWINDOW_H
53
54#include <QMainWindow>
55#include <QList>
56
57QT_BEGIN_NAMESPACE
58class QAction;
59class QMenu;
60class QTextEdit;
61QT_END_NAMESPACE
62
63//! [class definition with macro]
64class MainWindow : public QMainWindow
65{
66 Q_OBJECT
67
68public:
69 MainWindow();
70//! [class definition with macro]
71 explicit MainWindow(const QString &fileName);
72
73 void tile(const QMainWindow *previous);
74
75protected:
76 void closeEvent(QCloseEvent *event) override;
77
78private slots:
79 void newFile();
80 void open();
81 bool save();
82 bool saveAs();
83 void updateRecentFileActions();
84 void openRecentFile();
85 void about();
86 void documentWasModified();
87
88private:
89 enum { MaxRecentFiles = 5 };
90
91 void init();
92 void createActions();
93 void createStatusBar();
94 void readSettings();
95 void writeSettings();
96 bool maybeSave();
97 void openFile(const QString &fileName);
98 void loadFile(const QString &fileName);
99 static bool hasRecentFiles();
100 void prependToRecentFiles(const QString &fileName);
101 void setRecentFilesVisible(bool visible);
102 bool saveFile(const QString &fileName);
103 void setCurrentFile(const QString &fileName);
104 static QString strippedName(const QString &fullFileName);
105 MainWindow *findMainWindow(const QString &fileName) const;
106
107 QTextEdit *textEdit;
108
109 QAction *recentFileActs[MaxRecentFiles];
110 QAction *recentFileSeparator;
111 QAction *recentFileSubMenuAct;
112
113 QString curFile;
114 bool isUntitled;
115};
116
117#endif
118

source code of qtbase/examples/widgets/mainwindows/sdi/mainwindow.h