5_5.cpp

一个qt设计的教程

#include <qapplication.h>
#include <qmainwindow.h>
#include <qpopupmenu.h>
#include <qmenubar.h>
#include <qtoolbar.h>
#include <qtoolbutton.h>
#include <qpixmap.h>
#include <qpixmap.h>
#include <qmultilineedit.h>

#include "fileopen.xpm"
#include "filesave.xpm"
#include "fileprint.xpm"

class MyMainWindow:public QMainWindow
{
 public:
    MyMainWindow();
 private:
    QPopupMenu *file;
    QPopupMenu *edit;
    QPopupMenu *options;
    QPopupMenu *help;
 
    QToolBar *toolbar;
    QToolButton *b1,*b2,*b3;

    QPixmap openicon,saveicon,printicon;

    QMultiLineEdit *centralwidget;
};

MyMainWindow::MyMainWindow()
{
 setGeometry(100,100,400,400);
 
 file = new QPopupMenu(this);
 file->insertItem("New");
 file->insertItem("Open");
 file->insertItem("Save");
 file->insertItem("Exit",qApp,SLOT(quit()));

 edit = new QPopupMenu(this);
 edit->insertItem("Undo");
 edit->insertItem("Reduo");
 edit->insertSeparator();
 edit->insertItem("Cut");
 edit->insertItem("Copy");
 edit->insertItem("Paste");
 edit->insertSeparator();
 edit->insertItem("Select All");

 options = new QPopupMenu(this);
 options->insertItem("Preferences");

 help = new QPopupMenu(this);
 help->insertItem("Contents");
 help->insertSeparator();
 help->insertItem("About");

 menuBar()->insertItem("File",file);
 menuBar()->insertItem("Edit",edit);
 menuBar()->insertItem("Options",options);
 menuBar()->insertItem("Help",help);

 openicon = QPixmap(fileopen);
 saveicon = QPixmap(filesave);
 printicon = QPixmap(fileprint);

 toolbar = new QToolBar(this);
 b1 = new QToolButton(openicon,"Open File","Open File",this,SLOT(open()),toolbar); 
 b2 = new QToolButton(saveicon,"Save File","Save File",this,SLOT(open()),toolbar); 
 b3 = new QToolButton(printicon,"Print File","Print File",this,SLOT(open()),toolbar); 

 centralwidget = new QMultiLineEdit(this);
 setCentralWidget(centralwidget);
}

main(int argc,char **argv)
{
 QApplication a(argc,argv);
 MyMainWindow w;

 a.setMainWidget(&w);
 w.show();
 a.exec();
}