<!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/qwerty/qwerty.doc:4 -->
< html >
< head >
< meta http-equiv = "Content-Type" content = "text/html; charset=ISO-8859-1" >
< title > Simple editor that can load encodings< / 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 > Simple editor that can load encodings< / h1 >
< p >
< hr >
< p > Header file:
< p > < pre > /****************************************************************************
** $Id: qt/qwerty.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 TQWERTY_H
#define TQWERTY_H
#include < < a href = "tqwidget-h.html" > tqwidget.h< / a > >
#include < < a href = "tqmenubar-h.html" > tqmenubar.h< / a > >
#include < < a href = "qmultilineedit-h.html" > ntqmultilineedit.h< / a > >
#include < < a href = "tqprinter-h.html" > tqprinter.h< / a > >
class Editor : public < a href = "tqwidget.html" > TQWidget< / a >
{
< a href = "metaobjects.html#TQ_OBJECT" > TQ_OBJECT< / a >
public:
Editor( < a href = "tqwidget.html" > TQWidget< / a > *parent=0, const char *name="qwerty" );
~Editor();
void load( const < a href = "tqstring.html" > TQString< / a > & fileName, int code=-1 );
public slots:
void newDoc();
void load();
bool save();
void print();
void addEncoding();
void toUpper();
void toLower();
void font();
protected:
void resizeEvent( < a href = "qresizeevent.html" > TQResizeEvent< / a > * );
void closeEvent( < a href = "qcloseevent.html" > TQCloseEvent< / a > * );
private slots:
void saveAsEncoding( int );
void openAsEncoding( int );
void textChanged();
private:
bool saveAs( const < a href = "tqstring.html" > TQString< / a > & fileName, int code=-1 );
void rebuildCodecList();
< a href = "tqmenubar.html" > TQMenuBar< / a > *m;
< a href = "ntqmultilineedit.html" > TQMultiLineEdit< / a > *e;
#ifndef TQT_NO_PRINTER
< a href = "tqprinter.html" > TQPrinter< / a > printer;
#endif
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > *save_as;
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > *open_as;
bool changed;
};
#endif // TQWERTY_H
< / pre >
< p > < hr >
< p > Implementation:
< p > < pre > /****************************************************************************
** $Id: qt/qwerty.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 "qwerty.h"
#include < < a href = "qapplication-h.html" > ntqapplication.h< / a > >
#include < < a href = "tqfile-h.html" > tqfile.h< / a > >
#include < < a href = "tqfiledialog-h.html" > tqfiledialog.h< / a > >
#include < < a href = "tqpopupmenu-h.html" > tqpopupmenu.h< / a > >
#include < < a href = "tqtextstream-h.html" > tqtextstream.h< / a > >
#include < < a href = "tqpainter-h.html" > tqpainter.h< / a > >
#include < < a href = "qmessagebox-h.html" > ntqmessagebox.h< / a > >
#include < < a href = "tqpaintdevicemetrics-h.html" > tqpaintdevicemetrics.h< / a > >
#include < < a href = "tqptrlist-h.html" > tqptrlist.h< / a > >
#include < < a href = "tqfontdialog-h.html" > tqfontdialog.h< / a > >
#include < < a href = "tqtextcodec-h.html" > tqtextcodec.h< / a > >
const bool no_writing = FALSE;
static TQPtrList< TQTextCodec> *codecList = 0;
enum { Uni = 0, MBug = 1, Lat1 = 2, Local = 3, Guess = 4, Codec = 5 };
< a name = "f235" > < / a > Editor::Editor( < a href = "tqwidget.html" > TQWidget< / a > * parent , const char * name )
: < a href = "tqwidget.html" > TQWidget< / a > ( parent, name, WDestructiveClose )
{
m = new < a href = "tqmenubar.html" > TQMenuBar< / a > ( this, "menu" );
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * file = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ();
< a href = "ntqapplication.html#TQ_CHECK_PTR" > TQ_CHECK_PTR< / a > ( file );
< a name = "x371" > < / a > m-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "& File", file );
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "& New", this, TQ_SLOT(newDoc()), ALT+Key_N );
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "& Open...", this, TQ_SLOT(load()), ALT+Key_O );
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "& Save...", this, TQ_SLOT(save()), ALT+Key_S );
< a name = "x372" > < / a > file-> < a href = "tqmenudata.html#insertSeparator" > insertSeparator< / a > ();
open_as = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ();
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Open & As", open_as );
save_as = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ();
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Sa& ve As", save_as );
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Add & Encoding", this, TQ_SLOT(addEncoding()) );
#ifndef TQT_NO_PRINTER
file-> < a href = "tqmenudata.html#insertSeparator" > insertSeparator< / a > ();
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "& Print...", this, TQ_SLOT(print()), ALT+Key_P );
#endif
file-> < a href = "tqmenudata.html#insertSeparator" > insertSeparator< / a > ();
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "& Close", this, TQ_SLOT(< a href = "tqwidget.html#close" > close< / a > ()),ALT+Key_W );
< a name = "x358" > < / a > file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "& Quit", tqApp, TQ_SLOT(< a href = "ntqapplication.html#closeAllWindows" > closeAllWindows< / a > ()), ALT+Key_Q );
< a name = "x386" > < / a > < a href = "tqobject.html#connect" > connect< / a > ( save_as, TQ_SIGNAL(< a href = "tqpopupmenu.html#activated" > activated< / a > (int)), this, TQ_SLOT(saveAsEncoding(int)) );
< a href = "tqobject.html#connect" > connect< / a > ( open_as, TQ_SIGNAL(< a href = "tqpopupmenu.html#activated" > activated< / a > (int)), this, TQ_SLOT(openAsEncoding(int)) );
rebuildCodecList();
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * edit = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ();
< a href = "ntqapplication.html#TQ_CHECK_PTR" > TQ_CHECK_PTR< / a > ( edit );
m-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "& Edit", edit );
edit-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "To & Uppercase", this, TQ_SLOT(toUpper()), ALT+Key_U );
edit-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "To & Lowercase", this, TQ_SLOT(toLower()), ALT+Key_L );
#ifndef TQT_NO_FONTDIALOG
edit-> < a href = "tqmenudata.html#insertSeparator" > insertSeparator< / a > ();
edit-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "& Select Font" , this, TQ_SLOT(< a href = "tqwidget.html#font" > font< / a > ()), ALT+Key_T );
#endif
changed = FALSE;
e = new < a href = "ntqmultilineedit.html" > TQMultiLineEdit< / a > ( this, "editor" );
< a name = "x400" > < / a > < a href = "tqobject.html#connect" > connect< / a > ( e, TQ_SIGNAL( < a href = "tqtextedit.html#textChanged" > textChanged< / a > () ), this, TQ_SLOT( textChanged() ) );
// We use Unifont - if you have it installed you'll see all
// Unicode character glyphs.
//
// Unifont only comes in one pixel size, so we cannot let
// it change pixel size as the display DPI changes.
//
< a name = "x367" > < / a > < a href = "tqfont.html" > TQFont< / a > unifont("unifont",16,50); unifont.< a href = "tqfont.html#setPixelSize" > setPixelSize< / a > (16);
< a name = "x397" > < / a > e-> < a href = "tqwidget.html#setFont" > setFont< / a > ( unifont );
e-> < a href = "tqwidget.html#setFocus" > setFocus< / a > ();
}
Editor::~Editor()
{
}
< a name = "x405" > < / a > void Editor::< a href = "tqwidget.html#font" > font< / a > ()
{
#ifndef TQT_NO_FONTDIALOG
bool ok;
< a name = "x396" > < / a > < a name = "x368" > < / a > < a href = "tqfont.html" > TQFont< / a > f = TQFontDialog::< a href = "tqfontdialog.html#getFont" > getFont< / a > ( & ok, e-> < a href = "tqtextedit.html#font" > font< / a > () );
if ( ok ) {
e-> < a href = "tqwidget.html#setFont" > setFont< / a > ( f );
}
#endif
}
void < a name = "f236" > < / a > Editor::rebuildCodecList()
{
delete codecList;
codecList = new < a href = "tqptrlist.html" > TQPtrList< / a > < TQTextCodec> ;
< a href = "tqtextcodec.html" > TQTextCodec< / a > *codec;
int i;
< a name = "x392" > < / a > for (i = 0; (codec = TQTextCodec::< a href = "tqtextcodec.html#codecForIndex" > codecForIndex< / a > (i)); i++)
< a name = "x387" > < / a > codecList-> < a href = "tqptrlist.html#append" > append< / a > ( codec );
< a name = "x389" > < / a > int n = codecList-> < a href = "tqptrlist.html#count" > count< / a > ();
for (int pm=0; pm< 2; pm++) {
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * menu = pm ? open_as : save_as;
< a name = "x370" > < / a > menu-> < a href = "tqmenudata.html#clear" > clear< / a > ();
< a href = "tqstring.html" > TQString< / a > local = "Local (";
< a name = "x393" > < / a > local += TQTextCodec::< a href = "tqtextcodec.html#codecForLocale" > codecForLocale< / a > ()-> name();
local += ")";
menu-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( local, Local );
menu-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Unicode", Uni );
menu-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Latin1", Lat1 );
menu-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Microsoft Unicode", MBug );
if ( pm )
menu-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "[guess]", Guess );
for ( i = 0; i < n; i++ )
< a name = "x388" > < / a > menu-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( codecList-> < a href = "tqptrlist.html#at" > at< / a > (i)-> name(), Codec + i );
}
}
void < a name = "f237" > < / a > Editor::newDoc()
{
Editor *ed = new Editor;
if ( tqApp-> < a href = "ntqapplication.html#desktop" > desktop< / a > ()-> size().width() < 450
|| tqApp-> < a href = "ntqapplication.html#desktop" > desktop< / a > ()-> size().height() < 450 ) {
< a name = "x413" > < / a > ed-> < a href = "tqwidget.html#showMaximized" > showMaximized< / a > ();
} else {
ed-> < a href = "tqwidget.html#resize" > resize< / a > ( 400, 400 );
ed-> < a href = "tqwidget.html#show" > show< / a > ();
}
}
void < a name = "f238" > < / a > Editor::load()
{
#ifndef TQT_NO_FILEDIALOG
< a name = "x365" > < / a > < a href = "tqstring.html" > TQString< / a > fn = TQFileDialog::< a href = "tqfiledialog.html#getOpenFileName" > getOpenFileName< / a > ( < a href = "tqstring.html#TQString-null" > TQString::null< / a > , TQString::null, this );
< a name = "x390" > < / a > if ( !fn.< a href = "tqstring.html#isEmpty" > isEmpty< / a > () )
load( fn, -1 );
#endif
}
void Editor::load( const < a href = "tqstring.html" > TQString< / a > & fileName, int code )
{
< a href = "tqfile.html" > TQFile< / a > f( fileName );
< a name = "x363" > < / a > if ( !f.< a href = "tqfile.html#open" > open< / a > ( < a href = "tqfile.html#open" > IO_ReadOnly< / a > ) )
return;
< a name = "x376" > < / a > e-> < a href = "ntqmultilineedit.html#setAutoUpdate" > setAutoUpdate< / a > ( FALSE );
< a href = "tqtextstream.html" > TQTextStream< / a > t(& f);
if ( code > = Codec )
< a name = "x402" > < / a > t.< a href = "tqtextstream.html#setCodec" > setCodec< / a > ( codecList-> < a href = "tqptrlist.html#at" > at< / a > (code-Codec) );
else if ( code == Uni )
< a name = "x403" > < / a > t.< a href = "tqtextstream.html#setEncoding" > setEncoding< / a > ( TQTextStream::Unicode );
else if ( code == MBug )
t.< a href = "tqtextstream.html#setEncoding" > setEncoding< / a > ( TQTextStream::UnicodeReverse );
else if ( code == Lat1 )
t.< a href = "tqtextstream.html#setEncoding" > setEncoding< / a > ( TQTextStream::Latin1 );
else if ( code == Guess ) {
< a href = "tqfile.html" > TQFile< / a > f(fileName);
f.< a href = "tqfile.html#open" > open< / a > (IO_ReadOnly);
char buffer[256];
int l = 256;
< a name = "x364" > < / a > l=f.< a href = "tqiodevice.html#readBlock" > readBlock< / a > (buffer,l);
< a name = "x391" > < / a > < a href = "tqtextcodec.html" > TQTextCodec< / a > * codec = TQTextCodec::< a href = "tqtextcodec.html#codecForContent" > codecForContent< / a > (buffer, l);
if ( codec ) {
< a name = "x395" > < / a > < a name = "x373" > < / a > TQMessageBox::< a href = "ntqmessagebox.html#information" > information< / a > (this,"Encoding",TQString("Codec: ")+codec-> < a href = "tqtextcodec.html#name" > name< / a > ());
t.< a href = "tqtextstream.html#setCodec" > setCodec< / a > ( codec );
}
}
< a name = "x401" > < / a > < a name = "x398" > < / a > e-> < a href = "tqtextedit.html#setText" > setText< / a > ( t.< a href = "tqtextstream.html#read" > read< / a > () );
< a name = "x362" > < / a > f.< a href = "tqfile.html#close" > close< / a > ();
e-> < a href = "ntqmultilineedit.html#setAutoUpdate" > setAutoUpdate< / a > ( TRUE );
< a name = "x407" > < / a > e-> < a href = "tqwidget.html#repaint" > repaint< / a > ();
< a href = "tqwidget.html#setCaption" > setCaption< / a > ( fileName );
changed = FALSE;
}
void < a name = "f239" > < / a > Editor::openAsEncoding( int code )
{
#ifndef TQT_NO_FILEDIALOG
//storing filename (proper save) is left as an exercise...
< a href = "tqstring.html" > TQString< / a > fn = TQFileDialog::< a href = "tqfiledialog.html#getOpenFileName" > getOpenFileName< / a > ( TQString::null, TQString::null, this );
if ( !fn.< a href = "tqstring.html#isEmpty" > isEmpty< / a > () )
(void) load( fn, code );
#endif
}
bool < a name = "f240" > < / a > Editor::save()
{
#ifndef TQT_NO_FILEDIALOG
//storing filename (proper save) is left as an exercise...
< a name = "x366" > < / a > < a href = "tqstring.html" > TQString< / a > fn = TQFileDialog::< a href = "tqfiledialog.html#getSaveFileName" > getSaveFileName< / a > ( TQString::null, TQString::null, this );
if ( !fn.< a href = "tqstring.html#isEmpty" > isEmpty< / a > () )
return saveAs( fn );
return FALSE;
#endif
}
void < a name = "f241" > < / a > Editor::saveAsEncoding( int code )
{
#ifndef TQT_NO_FILEDIALOG
//storing filename (proper save) is left as an exercise...
< a href = "tqstring.html" > TQString< / a > fn = TQFileDialog::< a href = "tqfiledialog.html#getSaveFileName" > getSaveFileName< / a > ( TQString::null, TQString::null, this );
if ( !fn.< a href = "tqstring.html#isEmpty" > isEmpty< / a > () )
(void) saveAs( fn, code );
#endif
}
void < a name = "f242" > < / a > Editor::addEncoding()
{
#ifndef TQT_NO_FILEDIALOG
< a href = "tqstring.html" > TQString< / a > fn = TQFileDialog::< a href = "tqfiledialog.html#getOpenFileName" > getOpenFileName< / a > ( TQString::null, "*.map", this );
if ( !fn.< a href = "tqstring.html#isEmpty" > isEmpty< / a > () ) {
< a href = "tqfile.html" > TQFile< / a > f(fn);
if (f.< a href = "tqfile.html#open" > open< / a > (IO_ReadOnly)) {
< a name = "x394" > < / a > if (TQTextCodec::< a href = "tqtextcodec.html#loadCharmap" > loadCharmap< / a > (& f)) {
rebuildCodecList();
} else {
< a name = "x374" > < / a > TQMessageBox::< a href = "ntqmessagebox.html#warning" > warning< / a > (0,"Charmap error",
"The file did not contain a valid charmap.\n\n"
"A charmap file should look like this:\n"
" < code_set_name> thename\n"
" < escape_char> /\n"
" % alias thealias\n"
" CHARMAP\n"
" < tokenname> /x12 < U3456> \n"
" < tokenname> /xAB/x12 < U0023> \n"
" ...\n"
" END CHARMAP\n"
);
}
}
}
#endif
}
bool < a name = "f243" > < / a > Editor::saveAs( const < a href = "tqstring.html" > TQString< / a > & fileName, int code )
{
< a href = "tqfile.html" > TQFile< / a > f( fileName );
if ( no_writing || !f.< a href = "tqfile.html#open" > open< / a > ( < a href = "tqfile.html#open" > IO_WriteOnly< / a > ) ) {
TQMessageBox::< a href = "ntqmessagebox.html#warning" > warning< / a > (this,"I/O Error",
TQString("The file could not be opened.\n\n")
+fileName);
return FALSE;
}
< a href = "tqtextstream.html" > TQTextStream< / a > t(& f);
if ( code > = Codec )
t.< a href = "tqtextstream.html#setCodec" > setCodec< / a > ( codecList-> < a href = "tqptrlist.html#at" > at< / a > (code-Codec) );
else if ( code == Uni )
t.< a href = "tqtextstream.html#setEncoding" > setEncoding< / a > ( TQTextStream::Unicode );
else if ( code == MBug )
t.< a href = "tqtextstream.html#setEncoding" > setEncoding< / a > ( TQTextStream::UnicodeReverse );
else if ( code == Lat1 )
t.< a href = "tqtextstream.html#setEncoding" > setEncoding< / a > ( TQTextStream::Latin1 );
< a name = "x399" > < / a > t < < e-> < a href = "tqtextedit.html#text" > text< / a > ();
f.< a href = "tqfile.html#close" > close< / a > ();
< a href = "tqwidget.html#setCaption" > setCaption< / a > ( fileName );
changed = FALSE;
return TRUE;
}
void < a name = "f244" > < / a > Editor::print()
{
#ifndef TQT_NO_PRINTER
if ( printer.setup(this) ) { // opens printer dialog
printer.setFullPage(TRUE); // we'll set our own margins
< a href = "tqpainter.html" > TQPainter< / a > p;
p.< a href = "tqpainter.html#begin" > begin< / a > ( & printer ); // paint on printer
< a name = "x385" > < / a > p.< a href = "tqpainter.html#setFont" > setFont< / a > ( e-> < a href = "tqtextedit.html#font" > font< / a > () );
< a name = "x384" > < / a > < a href = "tqfontmetrics.html" > TQFontMetrics< / a > fm = p.< a href = "tqpainter.html#fontMetrics" > fontMetrics< / a > ();
< a href = "tqpaintdevicemetrics.html" > TQPaintDeviceMetrics< / a > metrics( & printer ); // need width/height
// of printer surface
< a name = "x379" > < / a > const int MARGIN = metrics.< a href = "tqpaintdevicemetrics.html#logicalDpiX" > logicalDpiX< / a > () / 2; // half-inch margin
int yPos = MARGIN; // y position for each line
< a name = "x375" > < / a > for( int i = 0 ; i < e-> < a href = "ntqmultilineedit.html#numLines" > numLines< / a > () ; i++ ) {
if ( printer.aborted() )
break;
< a name = "x378" > < / a > < a name = "x369" > < / a > if ( yPos + fm.< a href = "tqfontmetrics.html#lineSpacing" > lineSpacing< / a > () > metrics.< a href = "tqpaintdevicemetrics.html#height" > height< / a > () - MARGIN ) {
// no more room on this page
if ( !printer.newPage() ) // start new page
break; // some error
yPos = MARGIN; // back to top of page
}
< a name = "x380" > < / a > p.< a href = "tqpainter.html#drawText" > drawText< / a > ( MARGIN, yPos, metrics.< a href = "tqpaintdevicemetrics.html#width" > width< / a > () - 2*MARGIN,
< a name = "x377" > < / a > fm.< a href = "tqfontmetrics.html#lineSpacing" > lineSpacing< / a > (), ExpandTabs, e-> < a href = "ntqmultilineedit.html#textLine" > textLine< / a > ( i ) );
yPos += fm.< a href = "tqfontmetrics.html#lineSpacing" > lineSpacing< / a > ();
}
p.< a href = "tqpainter.html#end" > end< / a > (); // send job to printer
}
#endif
}
void Editor::< a href = "tqwidget.html#resizeEvent" > resizeEvent< / a > ( < a href = "qresizeevent.html" > TQResizeEvent< / a > * )
{
if ( e & & m )
e-> < a href = "tqwidget.html#setGeometry" > setGeometry< / a > ( 0, m-> < a href = "tqwidget.html#height" > height< / a > (), width(), height() - m-> < a href = "tqwidget.html#height" > height< / a > () );
}
< a name = "x404" > < / a > void Editor::< a href = "tqwidget.html#closeEvent" > closeEvent< / a > ( < a href = "qcloseevent.html" > TQCloseEvent< / a > *event )
{
< a name = "x360" > < / a > event-> < a href = "qcloseevent.html#accept" > accept< / a > ();
if ( changed ) { // the text has been changed
switch ( TQMessageBox::< a href = "ntqmessagebox.html#warning" > warning< / a > ( this, "Qwerty",
"Save changes to Document?",
< a href = "tqobject.html#tr" > tr< / a > ("& Yes"),
< a href = "tqobject.html#tr" > tr< / a > ("& No"),
< a href = "tqobject.html#tr" > tr< / a > ("Cancel"),
0, 2) ) {
case 0: // yes
if ( save() )
event-> < a href = "qcloseevent.html#accept" > accept< / a > ();
else
< a name = "x361" > < / a > event-> < a href = "qcloseevent.html#ignore" > ignore< / a > ();
break;
case 1: // no
event-> < a href = "qcloseevent.html#accept" > accept< / a > ();
break;
default: // cancel
event-> < a href = "qcloseevent.html#ignore" > ignore< / a > ();
break;
}
}
}
void < a name = "f245" > < / a > Editor::toUpper()
{
e-> < a href = "tqtextedit.html#setText" > setText< / a > (e-> < a href = "tqtextedit.html#text" > text< / a > ().upper());
}
void < a name = "f246" > < / a > Editor::toLower()
{
e-> < a href = "tqtextedit.html#setText" > setText< / a > (e-> < a href = "tqtextedit.html#text" > text< / a > ().lower());
}
void < a name = "f247" > < / a > Editor::textChanged()
{
changed = TRUE;
}
< / 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 "qwerty.h"
int main( int argc, char **argv )
{
< a href = "ntqapplication.html" > TQApplication< / a > a( argc, argv );
< a name = "x414" > < / a > bool isSmall = tqApp-> < a href = "ntqapplication.html#desktop" > desktop< / a > ()-> size().width() < 450
|| tqApp-> < a href = "ntqapplication.html#desktop" > desktop< / a > ()-> size().height() < 450;
int i;
for ( i= argc < = 1 ? 0 : 1; i< argc; i++ ) {
Editor *e = new Editor;
e-> < a href = "tqwidget.html#setCaption" > setCaption< / a > ("TQt Example - TQWERTY");
if ( i > 0 )
e-> load( argv[i] );
if ( isSmall ) {
< a name = "x422" > < / a > e-> < a href = "tqwidget.html#showMaximized" > showMaximized< / a > ();
} else {
e-> < a href = "tqwidget.html#resize" > resize< / a > ( 400, 400 );
e-> < a href = "tqwidget.html#show" > show< / a > ();
}
}
< a name = "x416" > < / a > a.< a href = "tqobject.html#connect" > connect< / a > ( & a, TQ_SIGNAL(< a href = "ntqapplication.html#lastWindowClosed" > lastWindowClosed< / a > ()), & a, TQ_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 >
