|
|
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
|
|
|
|
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/application/application.doc:5 -->
|
|
|
|
<html>
|
|
|
|
<head>
|
|
|
|
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
|
|
|
<title>A Complete Application Window</title>
|
|
|
|
<style type="text/css"><!--
|
|
|
|
fn { margin-left: 1cm; text-indent: -1cm; }
|
|
|
|
a:link { color: #004faf; text-decoration: none }
|
|
|
|
a:visited { color: #672967; text-decoration: none }
|
|
|
|
body { background: #ffffff; color: black; }
|
|
|
|
--></style>
|
|
|
|
</head>
|
|
|
|
<body>
|
|
|
|
|
|
|
|
<table border="0" cellpadding="0" cellspacing="0" width="100%">
|
|
|
|
<tr bgcolor="#E5E5E5">
|
|
|
|
<td valign=center>
|
|
|
|
<a href="index.html">
|
|
|
|
<font color="#004faf">Home</font></a>
|
|
|
|
| <a href="classes.html">
|
|
|
|
<font color="#004faf">All Classes</font></a>
|
|
|
|
| <a href="mainclasses.html">
|
|
|
|
<font color="#004faf">Main Classes</font></a>
|
|
|
|
| <a href="annotated.html">
|
|
|
|
<font color="#004faf">Annotated</font></a>
|
|
|
|
| <a href="groups.html">
|
|
|
|
<font color="#004faf">Grouped Classes</font></a>
|
|
|
|
| <a href="functions.html">
|
|
|
|
<font color="#004faf">Functions</font></a>
|
|
|
|
</td>
|
|
|
|
<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>A Complete Application Window</h1>
|
|
|
|
|
|
|
|
|
|
|
|
<p>
|
|
|
|
<p> This example program looks like a complete modern application. It
|
|
|
|
has a menu bar, it has a tool bar, it has a status bar and works
|
|
|
|
like a simple text editor.
|
|
|
|
<p> There is a <a href="simple-application.html">walkthrough</a> of
|
|
|
|
this example.
|
|
|
|
<p> <hr>
|
|
|
|
<p> Header file:
|
|
|
|
<p> <pre>/****************************************************************************
|
|
|
|
** $Id: qt/application.h 3.3.8 edited Jan 11 14:37 $
|
|
|
|
**
|
|
|
|
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
|
|
|
|
**
|
|
|
|
** This file is part of an example program for TQt. This example
|
|
|
|
** program may be used, distributed and modified without limitation.
|
|
|
|
**
|
|
|
|
*****************************************************************************/
|
|
|
|
|
|
|
|
#ifndef APPLICATION_H
|
|
|
|
#define APPLICATION_H
|
|
|
|
|
|
|
|
#include <<a href="qmainwindow-h.html">ntqmainwindow.h</a>>
|
|
|
|
|
|
|
|
class TQTextEdit;
|
|
|
|
|
|
|
|
class ApplicationWindow: public <a href="ntqmainwindow.html">TQMainWindow</a>
|
|
|
|
{
|
|
|
|
<a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a>
|
|
|
|
|
|
|
|
public:
|
|
|
|
ApplicationWindow();
|
|
|
|
~ApplicationWindow();
|
|
|
|
|
|
|
|
protected:
|
|
|
|
void closeEvent( <a href="qcloseevent.html">TQCloseEvent</a>* );
|
|
|
|
|
|
|
|
private slots:
|
|
|
|
void newDoc();
|
|
|
|
void choose();
|
|
|
|
void load( const <a href="ntqstring.html">TQString</a> &fileName );
|
|
|
|
void save();
|
|
|
|
void saveAs();
|
|
|
|
void print();
|
|
|
|
|
|
|
|
void about();
|
|
|
|
void aboutTQt();
|
|
|
|
|
|
|
|
private:
|
|
|
|
<a href="ntqprinter.html">TQPrinter</a> *printer;
|
|
|
|
<a href="ntqtextedit.html">TQTextEdit</a> *e;
|
|
|
|
<a href="ntqstring.html">TQString</a> filename;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
</pre>
|
|
|
|
|
|
|
|
<p> <hr>
|
|
|
|
<p> Implementation:
|
|
|
|
<p> <pre>/****************************************************************************
|
|
|
|
** $Id: qt/application.cpp 3.3.8 edited Jan 11 14:37 $
|
|
|
|
**
|
|
|
|
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
|
|
|
|
**
|
|
|
|
** This file is part of an example program for TQt. This example
|
|
|
|
** program may be used, distributed and modified without limitation.
|
|
|
|
**
|
|
|
|
*****************************************************************************/
|
|
|
|
|
|
|
|
#include "application.h"
|
|
|
|
|
|
|
|
#include <<a href="qimage-h.html">ntqimage.h</a>>
|
|
|
|
#include <<a href="qpixmap-h.html">ntqpixmap.h</a>>
|
|
|
|
#include <<a href="qtoolbar-h.html">ntqtoolbar.h</a>>
|
|
|
|
#include <<a href="qtoolbutton-h.html">ntqtoolbutton.h</a>>
|
|
|
|
#include <<a href="qpopupmenu-h.html">ntqpopupmenu.h</a>>
|
|
|
|
#include <<a href="qmenubar-h.html">ntqmenubar.h</a>>
|
|
|
|
#include <<a href="qtextedit-h.html">ntqtextedit.h</a>>
|
|
|
|
#include <<a href="qfile-h.html">ntqfile.h</a>>
|
|
|
|
#include <<a href="qfiledialog-h.html">ntqfiledialog.h</a>>
|
|
|
|
#include <<a href="qstatusbar-h.html">ntqstatusbar.h</a>>
|
|
|
|
#include <<a href="qmessagebox-h.html">ntqmessagebox.h</a>>
|
|
|
|
#include <<a href="qprinter-h.html">ntqprinter.h</a>>
|
|
|
|
#include <<a href="qapplication-h.html">ntqapplication.h</a>>
|
|
|
|
#include <<a href="qaccel-h.html">ntqaccel.h</a>>
|
|
|
|
#include <<a href="qtextstream-h.html">ntqtextstream.h</a>>
|
|
|
|
#include <<a href="qpainter-h.html">ntqpainter.h</a>>
|
|
|
|
#include <<a href="qpaintdevicemetrics-h.html">ntqpaintdevicemetrics.h</a>>
|
|
|
|
#include <<a href="qwhatsthis-h.html">ntqwhatsthis.h</a>>
|
|
|
|
#include <<a href="qsimplerichtext-h.html">ntqsimplerichtext.h</a>>
|
|
|
|
|
|
|
|
#include "filesave.xpm"
|
|
|
|
#include "fileopen.xpm"
|
|
|
|
#include "fileprint.xpm"
|
|
|
|
|
|
|
|
<a name="f459"></a>ApplicationWindow::ApplicationWindow()
|
|
|
|
: <a href="ntqmainwindow.html">TQMainWindow</a>( 0, "example application main window", WDestructiveClose | WGroupLeader )
|
|
|
|
{
|
|
|
|
printer = new <a href="ntqprinter.html">TQPrinter</a>( TQPrinter::HighResolution );
|
|
|
|
<a href="ntqpixmap.html">TQPixmap</a> openIcon, saveIcon, printIcon;
|
|
|
|
|
|
|
|
<a href="ntqtoolbar.html">TQToolBar</a> * fileTools = new <a href="ntqtoolbar.html">TQToolBar</a>( this, "file operations" );
|
|
|
|
<a name="x1590"></a> fileTools-><a href="ntqtoolbar.html#setLabel">setLabel</a>( "File Operations" );
|
|
|
|
|
|
|
|
openIcon = TQPixmap( fileopen );
|
|
|
|
TQToolButton * fileOpen
|
|
|
|
= new <a href="ntqtoolbutton.html">TQToolButton</a>( openIcon, "Open File", <a href="ntqstring.html#TQString-null">TQString::null</a>,
|
|
|
|
this, SLOT(choose()), fileTools, "open file" );
|
|
|
|
|
|
|
|
saveIcon = TQPixmap( filesave );
|
|
|
|
TQToolButton * fileSave
|
|
|
|
= new <a href="ntqtoolbutton.html">TQToolButton</a>( saveIcon, "Save File", TQString::null,
|
|
|
|
this, SLOT(save()), fileTools, "save file" );
|
|
|
|
|
|
|
|
printIcon = TQPixmap( fileprint );
|
|
|
|
TQToolButton * filePrint
|
|
|
|
= new <a href="ntqtoolbutton.html">TQToolButton</a>( printIcon, "Print File", TQString::null,
|
|
|
|
this, SLOT(print()), fileTools, "print file" );
|
|
|
|
|
|
|
|
|
|
|
|
(void)TQWhatsThis::whatsThisButton( fileTools );
|
|
|
|
|
|
|
|
const char * fileOpenText = "<p><img source=\"fileopen\"> "
|
|
|
|
"Click this button to open a <em>new file</em>.<br>"
|
|
|
|
"You can also select the <b>Open</b> command "
|
|
|
|
"from the <b>File</b> menu.</p>";
|
|
|
|
|
|
|
|
<a name="x1591"></a> TQWhatsThis::<a href="ntqwhatsthis.html#add">add</a>( fileOpen, fileOpenText );
|
|
|
|
|
Bring filenew, fileopen, fileprint, filequickprint, filesave, filesaveas, fileclose, editclear, editcopy, editcut, editdelete, editpaste, folder_new, and gohome icons into XDG compliance
10 years ago
|
|
|
<a name="x1558"></a> TQMimeSourceFactory::<a href="qmimesourcefactory.html#defaultFactory">defaultFactory</a>()->setPixmap( "document-open", openIcon );
|
|
|
|
|
|
|
|
const char * fileSaveText = "<p>Click this button to save the file you "
|
|
|
|
"are editing. You will be prompted for a file name.\n"
|
|
|
|
"You can also select the <b>Save</b> command "
|
|
|
|
"from the <b>File</b> menu.</p>";
|
|
|
|
|
|
|
|
TQWhatsThis::<a href="ntqwhatsthis.html#add">add</a>( fileSave, fileSaveText );
|
|
|
|
|
|
|
|
const char * filePrintText = "Click this button to print the file you "
|
|
|
|
"are editing.\n"
|
|
|
|
"You can also select the Print command "
|
|
|
|
"from the File menu.";
|
|
|
|
|
|
|
|
TQWhatsThis::<a href="ntqwhatsthis.html#add">add</a>( filePrint, filePrintText );
|
|
|
|
|
|
|
|
|
|
|
|
<a href="ntqpopupmenu.html">TQPopupMenu</a> * file = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this );
|
|
|
|
<a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem( "&File", file );
|
|
|
|
|
|
|
|
|
|
|
|
file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&New", this, SLOT(newDoc()), CTRL+Key_N );
|
|
|
|
|
|
|
|
int id;
|
|
|
|
id = file-><a href="ntqmenudata.html#insertItem">insertItem</a>( openIcon, "&Open...",
|
|
|
|
this, SLOT(choose()), CTRL+Key_O );
|
|
|
|
<a name="x1554"></a> file-><a href="ntqmenudata.html#setWhatsThis">setWhatsThis</a>( id, fileOpenText );
|
|
|
|
|
|
|
|
id = file-><a href="ntqmenudata.html#insertItem">insertItem</a>( saveIcon, "&Save",
|
|
|
|
this, SLOT(save()), CTRL+Key_S );
|
|
|
|
file-><a href="ntqmenudata.html#setWhatsThis">setWhatsThis</a>( id, fileSaveText );
|
|
|
|
|
|
|
|
id = file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "Save &As...", this, SLOT(saveAs()) );
|
|
|
|
file-><a href="ntqmenudata.html#setWhatsThis">setWhatsThis</a>( id, fileSaveText );
|
|
|
|
|
|
|
|
file-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>();
|
|
|
|
|
|
|
|
id = file-><a href="ntqmenudata.html#insertItem">insertItem</a>( printIcon, "&Print...",
|
|
|
|
this, SLOT(print()), CTRL+Key_P );
|
|
|
|
file-><a href="ntqmenudata.html#setWhatsThis">setWhatsThis</a>( id, filePrintText );
|
|
|
|
|
|
|
|
file-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>();
|
|
|
|
|
|
|
|
file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&Close", this, SLOT(<a href="ntqwidget.html#close">close</a>()), CTRL+Key_W );
|
|
|
|
|
|
|
|
<a name="x1544"></a> file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&Quit", tqApp, SLOT( <a href="ntqapplication.html#closeAllWindows">closeAllWindows</a>() ), CTRL+Key_Q );
|
|
|
|
|
|
|
|
<a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertSeparator();
|
|
|
|
|
|
|
|
<a href="ntqpopupmenu.html">TQPopupMenu</a> * help = new <a href="ntqpopupmenu.html">TQPopupMenu</a>( this );
|
|
|
|
<a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem( "&Help", help );
|
|
|
|
|
|
|
|
help-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&About", this, SLOT(about()), Key_F1 );
|
|
|
|
help-><a href="ntqmenudata.html#insertItem">insertItem</a>( "About &TQt", this, SLOT(aboutTQt()) );
|
|
|
|
help-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>();
|
|
|
|
help-><a href="ntqmenudata.html#insertItem">insertItem</a>( "What's &This", this, SLOT(<a href="ntqmainwindow.html#whatsThis">whatsThis</a>()), SHIFT+Key_F1 );
|
|
|
|
|
|
|
|
e = new <a href="ntqtextedit.html">TQTextEdit</a>( this, "editor" );
|
|
|
|
e-><a href="ntqwidget.html#setFocus">setFocus</a>();
|
|
|
|
<a href="ntqmainwindow.html#setCentralWidget">setCentralWidget</a>( e );
|
|
|
|
<a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( "Ready", 2000 );
|
|
|
|
|
|
|
|
<a href="ntqwidget.html#resize">resize</a>( 450, 600 );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
ApplicationWindow::~ApplicationWindow()
|
|
|
|
{
|
|
|
|
delete printer;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void <a name="f460"></a>ApplicationWindow::newDoc()
|
|
|
|
{
|
|
|
|
ApplicationWindow *ed = new ApplicationWindow;
|
|
|
|
ed-><a href="ntqwidget.html#setCaption">setCaption</a>("TQt Example - Application");
|
|
|
|
ed-><a href="ntqwidget.html#show">show</a>();
|
|
|
|
}
|
|
|
|
|
|
|
|
void <a name="f461"></a>ApplicationWindow::choose()
|
|
|
|
{
|
|
|
|
<a name="x1549"></a> <a href="ntqstring.html">TQString</a> fn = TQFileDialog::<a href="ntqfiledialog.html#getOpenFileName">getOpenFileName</a>( TQString::null, TQString::null,
|
|
|
|
this);
|
|
|
|
if ( !fn.<a href="ntqstring.html#isEmpty">isEmpty</a>() )
|
|
|
|
load( fn );
|
|
|
|
else
|
|
|
|
<a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( "Loading aborted", 2000 );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void <a name="f462"></a>ApplicationWindow::load( const <a href="ntqstring.html">TQString</a> &fileName )
|
|
|
|
{
|
|
|
|
<a href="ntqfile.html">TQFile</a> f( fileName );
|
|
|
|
<a name="x1548"></a> if ( !f.<a href="ntqfile.html#open">open</a>( <a href="ntqfile.html#open">IO_ReadOnly</a> ) )
|
|
|
|
return;
|
|
|
|
|
|
|
|
<a href="ntqtextstream.html">TQTextStream</a> ts( &f );
|
|
|
|
<a name="x1589"></a><a name="x1586"></a> e-><a href="ntqtextedit.html#setText">setText</a>( ts.<a href="ntqtextstream.html#read">read</a>() );
|
|
|
|
<a name="x1585"></a> e-><a href="ntqtextedit.html#setModified">setModified</a>( FALSE );
|
|
|
|
<a href="ntqwidget.html#setCaption">setCaption</a>( fileName );
|
|
|
|
<a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( "Loaded document " + fileName, 2000 );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void <a name="f463"></a>ApplicationWindow::save()
|
|
|
|
{
|
|
|
|
if ( filename.isEmpty() ) {
|
|
|
|
saveAs();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
<a name="x1588"></a> <a href="ntqstring.html">TQString</a> text = e-><a href="ntqtextedit.html#text">text</a>();
|
|
|
|
<a href="ntqfile.html">TQFile</a> f( filename );
|
|
|
|
if ( !f.<a href="ntqfile.html#open">open</a>( <a href="ntqfile.html#open">IO_WriteOnly</a> ) ) {
|
|
|
|
<a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( TQString("Could not write to %1").arg(filename),
|
|
|
|
2000 );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
<a href="ntqtextstream.html">TQTextStream</a> t( &f );
|
|
|
|
t << text;
|
|
|
|
f.<a href="ntqfile.html#close">close</a>();
|
|
|
|
|
|
|
|
e-><a href="ntqtextedit.html#setModified">setModified</a>( FALSE );
|
|
|
|
|
|
|
|
<a href="ntqwidget.html#setCaption">setCaption</a>( filename );
|
|
|
|
|
|
|
|
<a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( TQString( "File %1 saved" ).arg( filename ), 2000 );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void <a name="f464"></a>ApplicationWindow::saveAs()
|
|
|
|
{
|
|
|
|
<a name="x1550"></a> <a href="ntqstring.html">TQString</a> fn = TQFileDialog::<a href="ntqfiledialog.html#getSaveFileName">getSaveFileName</a>( TQString::null, TQString::null,
|
|
|
|
this );
|
|
|
|
if ( !fn.<a href="ntqstring.html#isEmpty">isEmpty</a>() ) {
|
|
|
|
filename = fn;
|
|
|
|
save();
|
|
|
|
} else {
|
|
|
|
<a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( "Saving aborted", 2000 );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void <a name="f465"></a>ApplicationWindow::print()
|
|
|
|
{
|
|
|
|
<a name="x1568"></a> printer-><a href="ntqprinter.html#setFullPage">setFullPage</a>( TRUE );
|
|
|
|
<a name="x1569"></a> if ( printer-><a href="ntqprinter.html#setup">setup</a>(this) ) { // printer dialog
|
|
|
|
<a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( "Printing..." );
|
|
|
|
<a href="ntqpainter.html">TQPainter</a> p;
|
|
|
|
if( !p.<a href="ntqpainter.html#begin">begin</a>( printer ) ) { // paint on printer
|
|
|
|
<a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( "Printing aborted", 2000 );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
<a name="x1563"></a> <a href="ntqpaintdevicemetrics.html">TQPaintDeviceMetrics</a> metrics( p.<a href="ntqpainter.html#device">device</a>() );
|
|
|
|
<a name="x1560"></a> int dpiy = metrics.<a href="ntqpaintdevicemetrics.html#logicalDpiY">logicalDpiY</a>();
|
|
|
|
int margin = (int) ( (2/2.54)*dpiy ); // 2 cm margins
|
|
|
|
<a name="x1561"></a><a name="x1559"></a> <a href="ntqrect.html">TQRect</a> view( margin, margin, metrics.<a href="ntqpaintdevicemetrics.html#width">width</a>() - 2*margin, metrics.<a href="ntqpaintdevicemetrics.html#height">height</a>() - 2*margin );
|
|
|
|
<a name="x1581"></a> <a href="ntqsimplerichtext.html">TQSimpleRichText</a> richText( TQStyleSheet::<a href="ntqstylesheet.html#convertFromPlainText">convertFromPlainText</a>(e-><a href="ntqtextedit.html#text">text</a>()),
|
|
|
|
TQFont(),
|
|
|
|
<a name="x1582"></a> e-><a href="ntqtextedit.html#context">context</a>(),
|
|
|
|
<a name="x1587"></a> e-><a href="ntqtextedit.html#styleSheet">styleSheet</a>(),
|
|
|
|
<a name="x1584"></a> e-><a href="ntqtextedit.html#mimeSourceFactory">mimeSourceFactory</a>(),
|
|
|
|
view.<a href="ntqrect.html#height">height</a>() );
|
|
|
|
<a name="x1578"></a> richText.<a href="ntqsimplerichtext.html#setWidth">setWidth</a>( &p, view.<a href="ntqrect.html#width">width</a>() );
|
|
|
|
int page = 1;
|
|
|
|
do {
|
|
|
|
<a name="x1576"></a> richText.<a href="ntqsimplerichtext.html#draw">draw</a>( &p, margin, margin, view, colorGroup() );
|
|
|
|
<a name="x1572"></a> view.<a href="ntqrect.html#moveBy">moveBy</a>( 0, view.<a href="ntqrect.html#height">height</a>() );
|
|
|
|
<a name="x1566"></a> p.<a href="ntqpainter.html#translate">translate</a>( 0 , -view.<a href="ntqrect.html#height">height</a>() );
|
|
|
|
<a name="x1580"></a><a name="x1573"></a><a name="x1565"></a> p.<a href="ntqpainter.html#drawText">drawText</a>( view.<a href="ntqrect.html#right">right</a>() - p.<a href="ntqpainter.html#fontMetrics">fontMetrics</a>().width( TQString::<a href="ntqstring.html#number">number</a>( page ) ),
|
|
|
|
<a name="x1570"></a> view.<a href="ntqrect.html#bottom">bottom</a>() + p.<a href="ntqpainter.html#fontMetrics">fontMetrics</a>().ascent() + 5, TQString::number( page ) );
|
|
|
|
<a name="x1577"></a> if ( view.<a href="ntqrect.html#top">top</a>() - margin >= richText.<a href="ntqsimplerichtext.html#height">height</a>() )
|
|
|
|
break;
|
|
|
|
<a name="x1567"></a> printer-><a href="ntqprinter.html#newPage">newPage</a>();
|
|
|
|
page++;
|
|
|
|
} while (TRUE);
|
|
|
|
|
|
|
|
<a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( "Printing completed", 2000 );
|
|
|
|
} else {
|
|
|
|
<a href="ntqmainwindow.html#statusBar">statusBar</a>()->message( "Printing aborted", 2000 );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
<a name="x1592"></a>void ApplicationWindow::<a href="ntqwidget.html#closeEvent">closeEvent</a>( <a href="qcloseevent.html">TQCloseEvent</a>* ce )
|
|
|
|
{
|
|
|
|
<a name="x1583"></a> if ( !e-><a href="ntqtextedit.html#isModified">isModified</a>() ) {
|
|
|
|
<a name="x1545"></a> ce-><a href="qcloseevent.html#accept">accept</a>();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
<a name="x1557"></a> switch( TQMessageBox::<a href="ntqmessagebox.html#information">information</a>( this, "TQt Application Example",
|
|
|
|
"Do you want to save the changes"
|
|
|
|
" to the document?",
|
|
|
|
"Yes", "No", "Cancel",
|
|
|
|
0, 1 ) ) {
|
|
|
|
case 0:
|
|
|
|
save();
|
|
|
|
ce-><a href="qcloseevent.html#accept">accept</a>();
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
ce-><a href="qcloseevent.html#accept">accept</a>();
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
default: // just for sanity
|
|
|
|
<a name="x1546"></a> ce-><a href="qcloseevent.html#ignore">ignore</a>();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void <a name="f466"></a>ApplicationWindow::about()
|
|
|
|
{
|
|
|
|
<a name="x1555"></a> TQMessageBox::<a href="ntqmessagebox.html#about">about</a>( this, "TQt Application Example",
|
|
|
|
"This example demonstrates simple use of "
|
|
|
|
"TQMainWindow,\nTQMenuBar and TQToolBar.");
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void <a name="f467"></a>ApplicationWindow::aboutTQt()
|
|
|
|
{
|
|
|
|
<a name="x1556"></a> TQMessageBox::<a href="ntqmessagebox.html#aboutTQt">aboutTQt</a>( this, "TQt Application Example" );
|
|
|
|
}
|
|
|
|
</pre>
|
|
|
|
|
|
|
|
<p> <hr>
|
|
|
|
<p> Main:
|
|
|
|
<p> <pre>/****************************************************************************
|
|
|
|
** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $
|
|
|
|
**
|
|
|
|
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
|
|
|
|
**
|
|
|
|
** This file is part of an example program for TQt. This example
|
|
|
|
** program may be used, distributed and modified without limitation.
|
|
|
|
**
|
|
|
|
*****************************************************************************/
|
|
|
|
|
|
|
|
#include <<a href="qapplication-h.html">ntqapplication.h</a>>
|
|
|
|
#include "application.h"
|
|
|
|
|
|
|
|
int main( int argc, char ** argv ) {
|
|
|
|
<a href="ntqapplication.html">TQApplication</a> a( argc, argv );
|
|
|
|
ApplicationWindow *mw = new ApplicationWindow();
|
|
|
|
mw-><a href="ntqwidget.html#setCaption">setCaption</a>( "TQt Example - Application" );
|
|
|
|
<a name="x1598"></a> mw-><a href="ntqwidget.html#show">show</a>();
|
|
|
|
<a name="x1599"></a> a.<a href="ntqobject.html#connect">connect</a>( &a, SIGNAL(<a href="ntqapplication.html#lastWindowClosed">lastWindowClosed</a>()), &a, SLOT(<a href="ntqapplication.html#quit">quit</a>()) );
|
|
|
|
return a.<a href="ntqapplication.html#exec">exec</a>();
|
|
|
|
}
|
|
|
|
</pre>
|
|
|
|
|
|
|
|
<p>See also <a href="examples.html">Examples</a>.
|
|
|
|
|
|
|
|
<!-- eof -->
|
|
|
|
<p><address><hr><div align=center>
|
|
|
|
<table width=100% cellspacing=0 border=0><tr>
|
|
|
|
<td>Copyright © 2007
|
|
|
|
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
|
|
|
|
<td align=right><div align=right>TQt 3.3.8</div>
|
|
|
|
</table></div></address></body>
|
|
|
|
</html>
|