You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
510 lines
24 KiB
510 lines
24 KiB
<!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="qwidget-h.html">ntqwidget.h</a>>
|
|
#include <<a href="qmenubar-h.html">ntqmenubar.h</a>>
|
|
#include <<a href="qmultilineedit-h.html">ntqmultilineedit.h</a>>
|
|
#include <<a href="qprinter-h.html">ntqprinter.h</a>>
|
|
|
|
class Editor : public <a href="ntqwidget.html">TQWidget</a>
|
|
{
|
|
<a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a>
|
|
public:
|
|
Editor( <a href="ntqwidget.html">TQWidget</a> *parent=0, const char *name="qwerty" );
|
|
~Editor();
|
|
|
|
void load( const <a href="ntqstring.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="ntqstring.html">TQString</a>& fileName, int code=-1 );
|
|
void rebuildCodecList();
|
|
<a href="ntqmenubar.html">TQMenuBar</a> *m;
|
|
<a href="ntqmultilineedit.html">TQMultiLineEdit</a> *e;
|
|
#ifndef QT_NO_PRINTER
|
|
<a href="ntqprinter.html">TQPrinter</a> printer;
|
|
#endif
|
|
<a href="ntqpopupmenu.html">TQPopupMenu</a> *save_as;
|
|
<a href="ntqpopupmenu.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="qfile-h.html">ntqfile.h</a>>
|
|
#include <<a href="qfiledialog-h.html">ntqfiledialog.h</a>>
|
|
#include <<a href="qpopupmenu-h.html">ntqpopupmenu.h</a>>
|
|
#include <<a href="qtextstream-h.html">ntqtextstream.h</a>>
|
|
#include <<a href="qpainter-h.html">ntqpainter.h</a>>
|
|
#include <<a href="qmessagebox-h.html">ntqmessagebox.h</a>>
|
|
#include <<a href="qpaintdevicemetrics-h.html">ntqpaintdevicemetrics.h</a>>
|
|
#include <<a href="qptrlist-h.html">ntqptrlist.h</a>>
|
|
#include <<a href="qfontdialog-h.html">ntqfontdialog.h</a>>
|
|
|
|
#include <<a href="qtextcodec-h.html">ntqtextcodec.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="ntqwidget.html">TQWidget</a> * parent , const char * name )
|
|
: <a href="ntqwidget.html">TQWidget</a>( parent, name, WDestructiveClose )
|
|
{
|
|
m = new <a href="ntqmenubar.html">TQMenuBar</a>( this, "menu" );
|
|
|
|
<a href="ntqpopupmenu.html">TQPopupMenu</a> * file = new <a href="ntqpopupmenu.html">TQPopupMenu</a>();
|
|
<a href="ntqapplication.html#TQ_CHECK_PTR">TQ_CHECK_PTR</a>( file );
|
|
<a name="x371"></a> m-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&File", file );
|
|
|
|
file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&New", this, SLOT(newDoc()), ALT+Key_N );
|
|
file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&Open...", this, SLOT(load()), ALT+Key_O );
|
|
file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&Save...", this, SLOT(save()), ALT+Key_S );
|
|
<a name="x372"></a> file-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>();
|
|
open_as = new <a href="ntqpopupmenu.html">TQPopupMenu</a>();
|
|
file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "Open &As", open_as );
|
|
save_as = new <a href="ntqpopupmenu.html">TQPopupMenu</a>();
|
|
file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "Sa&ve As", save_as );
|
|
file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "Add &Encoding", this, SLOT(addEncoding()) );
|
|
#ifndef QT_NO_PRINTER
|
|
file-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>();
|
|
file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&Print...", this, SLOT(print()), ALT+Key_P );
|
|
#endif
|
|
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>()),ALT+Key_W );
|
|
<a name="x358"></a> file-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&Quit", tqApp, SLOT(<a href="ntqapplication.html#closeAllWindows">closeAllWindows</a>()), ALT+Key_Q );
|
|
|
|
<a name="x386"></a> <a href="ntqobject.html#connect">connect</a>( save_as, SIGNAL(<a href="ntqpopupmenu.html#activated">activated</a>(int)), this, SLOT(saveAsEncoding(int)) );
|
|
<a href="ntqobject.html#connect">connect</a>( open_as, SIGNAL(<a href="ntqpopupmenu.html#activated">activated</a>(int)), this, SLOT(openAsEncoding(int)) );
|
|
rebuildCodecList();
|
|
|
|
<a href="ntqpopupmenu.html">TQPopupMenu</a> * edit = new <a href="ntqpopupmenu.html">TQPopupMenu</a>();
|
|
<a href="ntqapplication.html#TQ_CHECK_PTR">TQ_CHECK_PTR</a>( edit );
|
|
m-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&Edit", edit );
|
|
|
|
edit-><a href="ntqmenudata.html#insertItem">insertItem</a>( "To &Uppercase", this, SLOT(toUpper()), ALT+Key_U );
|
|
edit-><a href="ntqmenudata.html#insertItem">insertItem</a>( "To &Lowercase", this, SLOT(toLower()), ALT+Key_L );
|
|
#ifndef QT_NO_FONTDIALOG
|
|
edit-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>();
|
|
edit-><a href="ntqmenudata.html#insertItem">insertItem</a>( "&Select Font" , this, SLOT(<a href="ntqwidget.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="ntqobject.html#connect">connect</a>( e, SIGNAL( <a href="ntqtextedit.html#textChanged">textChanged</a>() ), this, 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="ntqfont.html">TQFont</a> unifont("unifont",16,50); unifont.<a href="ntqfont.html#setPixelSize">setPixelSize</a>(16);
|
|
<a name="x397"></a> e-><a href="ntqwidget.html#setFont">setFont</a>( unifont );
|
|
|
|
e-><a href="ntqwidget.html#setFocus">setFocus</a>();
|
|
}
|
|
|
|
Editor::~Editor()
|
|
{
|
|
}
|
|
|
|
<a name="x405"></a>void Editor::<a href="ntqwidget.html#font">font</a>()
|
|
{
|
|
#ifndef QT_NO_FONTDIALOG
|
|
bool ok;
|
|
<a name="x396"></a><a name="x368"></a> <a href="ntqfont.html">TQFont</a> f = TQFontDialog::<a href="ntqfontdialog.html#getFont">getFont</a>( &ok, e-><a href="ntqtextedit.html#font">font</a>() );
|
|
if ( ok ) {
|
|
e-><a href="ntqwidget.html#setFont">setFont</a>( f );
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
void <a name="f236"></a>Editor::rebuildCodecList()
|
|
{
|
|
delete codecList;
|
|
codecList = new <a href="ntqptrlist.html">TQPtrList</a><TQTextCodec>;
|
|
<a href="ntqtextcodec.html">TQTextCodec</a> *codec;
|
|
int i;
|
|
<a name="x392"></a> for (i = 0; (codec = TQTextCodec::<a href="ntqtextcodec.html#codecForIndex">codecForIndex</a>(i)); i++)
|
|
<a name="x387"></a> codecList-><a href="ntqptrlist.html#append">append</a>( codec );
|
|
<a name="x389"></a> int n = codecList-><a href="ntqptrlist.html#count">count</a>();
|
|
for (int pm=0; pm<2; pm++) {
|
|
<a href="ntqpopupmenu.html">TQPopupMenu</a>* menu = pm ? open_as : save_as;
|
|
<a name="x370"></a> menu-><a href="ntqmenudata.html#clear">clear</a>();
|
|
<a href="ntqstring.html">TQString</a> local = "Local (";
|
|
<a name="x393"></a> local += TQTextCodec::<a href="ntqtextcodec.html#codecForLocale">codecForLocale</a>()->name();
|
|
local += ")";
|
|
menu-><a href="ntqmenudata.html#insertItem">insertItem</a>( local, Local );
|
|
menu-><a href="ntqmenudata.html#insertItem">insertItem</a>( "Unicode", Uni );
|
|
menu-><a href="ntqmenudata.html#insertItem">insertItem</a>( "Latin1", Lat1 );
|
|
menu-><a href="ntqmenudata.html#insertItem">insertItem</a>( "Microsoft Unicode", MBug );
|
|
if ( pm )
|
|
menu-><a href="ntqmenudata.html#insertItem">insertItem</a>( "[guess]", Guess );
|
|
for ( i = 0; i < n; i++ )
|
|
<a name="x388"></a> menu-><a href="ntqmenudata.html#insertItem">insertItem</a>( codecList-><a href="ntqptrlist.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="ntqwidget.html#showMaximized">showMaximized</a>();
|
|
} else {
|
|
ed-><a href="ntqwidget.html#resize">resize</a>( 400, 400 );
|
|
ed-><a href="ntqwidget.html#show">show</a>();
|
|
}
|
|
}
|
|
|
|
|
|
void <a name="f238"></a>Editor::load()
|
|
{
|
|
#ifndef QT_NO_FILEDIALOG
|
|
<a name="x365"></a> <a href="ntqstring.html">TQString</a> fn = TQFileDialog::<a href="ntqfiledialog.html#getOpenFileName">getOpenFileName</a>( <a href="ntqstring.html#TQString-null">TQString::null</a>, TQString::null, this );
|
|
<a name="x390"></a> if ( !fn.<a href="ntqstring.html#isEmpty">isEmpty</a>() )
|
|
load( fn, -1 );
|
|
#endif
|
|
}
|
|
|
|
void Editor::load( const <a href="ntqstring.html">TQString</a>& fileName, int code )
|
|
{
|
|
<a href="ntqfile.html">TQFile</a> f( fileName );
|
|
<a name="x363"></a> if ( !f.<a href="ntqfile.html#open">open</a>( <a href="ntqfile.html#open">IO_ReadOnly</a> ) )
|
|
return;
|
|
|
|
<a name="x376"></a> e-><a href="ntqmultilineedit.html#setAutoUpdate">setAutoUpdate</a>( FALSE );
|
|
|
|
<a href="ntqtextstream.html">TQTextStream</a> t(&f);
|
|
if ( code >= Codec )
|
|
<a name="x402"></a> t.<a href="ntqtextstream.html#setCodec">setCodec</a>( codecList-><a href="ntqptrlist.html#at">at</a>(code-Codec) );
|
|
else if ( code == Uni )
|
|
<a name="x403"></a> t.<a href="ntqtextstream.html#setEncoding">setEncoding</a>( TQTextStream::Unicode );
|
|
else if ( code == MBug )
|
|
t.<a href="ntqtextstream.html#setEncoding">setEncoding</a>( TQTextStream::UnicodeReverse );
|
|
else if ( code == Lat1 )
|
|
t.<a href="ntqtextstream.html#setEncoding">setEncoding</a>( TQTextStream::Latin1 );
|
|
else if ( code == Guess ) {
|
|
<a href="ntqfile.html">TQFile</a> f(fileName);
|
|
f.<a href="ntqfile.html#open">open</a>(IO_ReadOnly);
|
|
char buffer[256];
|
|
int l = 256;
|
|
<a name="x364"></a> l=f.<a href="ntqiodevice.html#readBlock">readBlock</a>(buffer,l);
|
|
<a name="x391"></a> <a href="ntqtextcodec.html">TQTextCodec</a>* codec = TQTextCodec::<a href="ntqtextcodec.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="ntqtextcodec.html#name">name</a>());
|
|
t.<a href="ntqtextstream.html#setCodec">setCodec</a>( codec );
|
|
}
|
|
}
|
|
<a name="x401"></a><a name="x398"></a> e-><a href="ntqtextedit.html#setText">setText</a>( t.<a href="ntqtextstream.html#read">read</a>() );
|
|
<a name="x362"></a> f.<a href="ntqfile.html#close">close</a>();
|
|
|
|
e-><a href="ntqmultilineedit.html#setAutoUpdate">setAutoUpdate</a>( TRUE );
|
|
<a name="x407"></a> e-><a href="ntqwidget.html#repaint">repaint</a>();
|
|
<a href="ntqwidget.html#setCaption">setCaption</a>( fileName );
|
|
|
|
changed = FALSE;
|
|
}
|
|
|
|
void <a name="f239"></a>Editor::openAsEncoding( int code )
|
|
{
|
|
#ifndef QT_NO_FILEDIALOG
|
|
//storing filename (proper save) is left as an exercise...
|
|
<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>() )
|
|
(void) load( fn, code );
|
|
#endif
|
|
}
|
|
|
|
bool <a name="f240"></a>Editor::save()
|
|
{
|
|
#ifndef QT_NO_FILEDIALOG
|
|
//storing filename (proper save) is left as an exercise...
|
|
<a name="x366"></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>() )
|
|
return saveAs( fn );
|
|
return FALSE;
|
|
#endif
|
|
}
|
|
|
|
void <a name="f241"></a>Editor::saveAsEncoding( int code )
|
|
{
|
|
#ifndef QT_NO_FILEDIALOG
|
|
//storing filename (proper save) is left as an exercise...
|
|
<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>() )
|
|
(void) saveAs( fn, code );
|
|
#endif
|
|
}
|
|
|
|
void <a name="f242"></a>Editor::addEncoding()
|
|
{
|
|
#ifndef QT_NO_FILEDIALOG
|
|
<a href="ntqstring.html">TQString</a> fn = TQFileDialog::<a href="ntqfiledialog.html#getOpenFileName">getOpenFileName</a>( TQString::null, "*.map", this );
|
|
if ( !fn.<a href="ntqstring.html#isEmpty">isEmpty</a>() ) {
|
|
<a href="ntqfile.html">TQFile</a> f(fn);
|
|
if (f.<a href="ntqfile.html#open">open</a>(IO_ReadOnly)) {
|
|
<a name="x394"></a> if (TQTextCodec::<a href="ntqtextcodec.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="ntqstring.html">TQString</a>& fileName, int code )
|
|
{
|
|
<a href="ntqfile.html">TQFile</a> f( fileName );
|
|
if ( no_writing || !f.<a href="ntqfile.html#open">open</a>( <a href="ntqfile.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="ntqtextstream.html">TQTextStream</a> t(&f);
|
|
if ( code >= Codec )
|
|
t.<a href="ntqtextstream.html#setCodec">setCodec</a>( codecList-><a href="ntqptrlist.html#at">at</a>(code-Codec) );
|
|
else if ( code == Uni )
|
|
t.<a href="ntqtextstream.html#setEncoding">setEncoding</a>( TQTextStream::Unicode );
|
|
else if ( code == MBug )
|
|
t.<a href="ntqtextstream.html#setEncoding">setEncoding</a>( TQTextStream::UnicodeReverse );
|
|
else if ( code == Lat1 )
|
|
t.<a href="ntqtextstream.html#setEncoding">setEncoding</a>( TQTextStream::Latin1 );
|
|
<a name="x399"></a> t << e-><a href="ntqtextedit.html#text">text</a>();
|
|
f.<a href="ntqfile.html#close">close</a>();
|
|
<a href="ntqwidget.html#setCaption">setCaption</a>( fileName );
|
|
changed = FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
void <a name="f244"></a>Editor::print()
|
|
{
|
|
#ifndef QT_NO_PRINTER
|
|
if ( printer.setup(this) ) { // opens printer dialog
|
|
printer.setFullPage(TRUE); // we'll set our own margins
|
|
<a href="ntqpainter.html">TQPainter</a> p;
|
|
p.<a href="ntqpainter.html#begin">begin</a>( &printer ); // paint on printer
|
|
<a name="x385"></a> p.<a href="ntqpainter.html#setFont">setFont</a>( e-><a href="ntqtextedit.html#font">font</a>() );
|
|
<a name="x384"></a> <a href="ntqfontmetrics.html">TQFontMetrics</a> fm = p.<a href="ntqpainter.html#fontMetrics">fontMetrics</a>();
|
|
<a href="ntqpaintdevicemetrics.html">TQPaintDeviceMetrics</a> metrics( &printer ); // need width/height
|
|
// of printer surface
|
|
<a name="x379"></a> const int MARGIN = metrics.<a href="ntqpaintdevicemetrics.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="ntqfontmetrics.html#lineSpacing">lineSpacing</a>() > metrics.<a href="ntqpaintdevicemetrics.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="ntqpainter.html#drawText">drawText</a>( MARGIN, yPos, metrics.<a href="ntqpaintdevicemetrics.html#width">width</a>() - 2*MARGIN,
|
|
<a name="x377"></a> fm.<a href="ntqfontmetrics.html#lineSpacing">lineSpacing</a>(), ExpandTabs, e-><a href="ntqmultilineedit.html#textLine">textLine</a>( i ) );
|
|
yPos += fm.<a href="ntqfontmetrics.html#lineSpacing">lineSpacing</a>();
|
|
}
|
|
p.<a href="ntqpainter.html#end">end</a>(); // send job to printer
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void Editor::<a href="ntqwidget.html#resizeEvent">resizeEvent</a>( <a href="qresizeevent.html">TQResizeEvent</a> * )
|
|
{
|
|
if ( e && m )
|
|
e-><a href="ntqwidget.html#setGeometry">setGeometry</a>( 0, m-><a href="ntqwidget.html#height">height</a>(), width(), height() - m-><a href="ntqwidget.html#height">height</a>() );
|
|
}
|
|
|
|
<a name="x404"></a>void Editor::<a href="ntqwidget.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="ntqobject.html#tr">tr</a>("&Yes"),
|
|
<a href="ntqobject.html#tr">tr</a>("&No"),
|
|
<a href="ntqobject.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="ntqtextedit.html#setText">setText</a>(e-><a href="ntqtextedit.html#text">text</a>().upper());
|
|
}
|
|
|
|
void <a name="f246"></a>Editor::toLower()
|
|
{
|
|
e-><a href="ntqtextedit.html#setText">setText</a>(e-><a href="ntqtextedit.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="ntqwidget.html#setCaption">setCaption</a>("TQt Example - TQWERTY");
|
|
if ( i > 0 )
|
|
e->load( argv[i] );
|
|
if ( isSmall ) {
|
|
<a name="x422"></a> e-><a href="ntqwidget.html#showMaximized">showMaximized</a>();
|
|
} else {
|
|
e-><a href="ntqwidget.html#resize">resize</a>( 400, 400 );
|
|
e-><a href="ntqwidget.html#show">show</a>();
|
|
}
|
|
}
|
|
<a name="x416"></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>
|