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/*
* A Simple widget with a button to quit
*
*/
/*
* The below sequence is called a guard and guards
* against multiple inclusion of header files
* NOTE: you need to use unique names among the header files
*/
#ifndef QUIET_SIMPLE_DEMO_H
#define QUIET_SIMPLE_DEMO_H
#include <qmainwindow.h> // from this class we will inherit
class QPushButton; // forward declaration to not include the header. This can save time when compiling
class QAction;
/*
* A mainwindow is a special QWidget it helps layouting
* toolbar, statusbar, menubar. Got dockable areas
* So in one sentence it is a MainWindow :)
*/
class MainWindow : public QMainWindow {
Q_OBJECT
public:
static QString appName() { return QString::fromLatin1("simple-main"); }
MainWindow( QWidget* parent, const char* name, WFlags fl );
~MainWindow();
public slots:
void setDocument( const QString& );
private:
void initUI();
QAction *m_fire;
};
/*
* Simple inherits from QWidget
*/
class Simple : public QWidget {
/*
* Q_OBJECT must always be the first thing you include
* This is a macro and is responsible for the concepts of
* dynamic signal and slots and other MetaObjects as
* superClass(), inherits(), isA()...
* If you use multiple inheritance include the class derived
* from QObject first
*/
Q_OBJECT
public:
/*
* C'tor for the Simple
* make sure to always have these three when you use
* the quicklaunch factory ( explained in the implementation )
*/
Simple( QWidget* parent = 0, const char * name = 0, WFlags fl = 0 );
~Simple();
/*
* We now make it public because our mainwindow wants to call it
*/
public slots:
void slotFire();
private:
/* my variable */
QPushButton* m_button;
};
#endif
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