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.
307 lines
8.7 KiB
307 lines
8.7 KiB
/****************************************************************************
|
|
**
|
|
** Copyright (C) 1992-2008 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 <ntqimage.h>
|
|
#include <ntqpixmap.h>
|
|
#include <ntqtoolbar.h>
|
|
#include <ntqtoolbutton.h>
|
|
#include <ntqpopupmenu.h>
|
|
#include <ntqmenubar.h>
|
|
#include <ntqtextedit.h>
|
|
#include <ntqfile.h>
|
|
#include <ntqfiledialog.h>
|
|
#include <ntqstatusbar.h>
|
|
#include <ntqmessagebox.h>
|
|
#include <ntqprinter.h>
|
|
#include <ntqapplication.h>
|
|
#include <ntqaccel.h>
|
|
#include <ntqtextstream.h>
|
|
#include <ntqpainter.h>
|
|
#include <ntqpaintdevicemetrics.h>
|
|
#include <ntqwhatsthis.h>
|
|
#include <ntqaction.h>
|
|
#include <ntqsimplerichtext.h>
|
|
|
|
#include "filesave.xpm"
|
|
#include "fileopen.xpm"
|
|
#include "fileprint.xpm"
|
|
|
|
|
|
ApplicationWindow::ApplicationWindow()
|
|
: TQMainWindow( 0, "example application main window", WDestructiveClose )
|
|
{
|
|
printer = new TQPrinter( TQPrinter::HighResolution );
|
|
|
|
TQAction * fileNewAction;
|
|
TQAction * fileOpenAction;
|
|
TQAction * fileSaveAction, * fileSaveAsAction, * filePrintAction;
|
|
TQAction * fileCloseAction, * fileQuitAction;
|
|
|
|
fileNewAction = new TQAction( "&New", CTRL+Key_N, this, "new" );
|
|
connect( fileNewAction, TQ_SIGNAL( activated() ) , this,
|
|
TQ_SLOT( newDoc() ) );
|
|
|
|
fileOpenAction = new TQAction( TQPixmap( fileopen ), "&Open...",
|
|
CTRL+Key_O, this, "open" );
|
|
connect( fileOpenAction, TQ_SIGNAL( activated() ) , this, TQ_SLOT( choose() ) );
|
|
|
|
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>";
|
|
TQMimeSourceFactory::defaultFactory()->setPixmap( "document-open",
|
|
fileOpenAction->iconSet().pixmap() );
|
|
fileOpenAction->setWhatsThis( fileOpenText );
|
|
|
|
fileSaveAction = new TQAction( TQPixmap( filesave ),
|
|
"&Save", CTRL+Key_S, this, "save" );
|
|
connect( fileSaveAction, TQ_SIGNAL( activated() ) , this, TQ_SLOT( save() ) );
|
|
|
|
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>";
|
|
fileSaveAction->setWhatsThis( fileSaveText );
|
|
|
|
fileSaveAsAction = new TQAction( "Save File As", "Save &As...", 0, this,
|
|
"save as" );
|
|
connect( fileSaveAsAction, TQ_SIGNAL( activated() ) , this,
|
|
TQ_SLOT( saveAs() ) );
|
|
fileSaveAsAction->setWhatsThis( fileSaveText );
|
|
|
|
filePrintAction = new TQAction( "Print File", TQPixmap( fileprint ),
|
|
"&Print...", CTRL+Key_P, this, "print" );
|
|
connect( filePrintAction, TQ_SIGNAL( activated() ) , this,
|
|
TQ_SLOT( print() ) );
|
|
|
|
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.";
|
|
filePrintAction->setWhatsThis( filePrintText );
|
|
|
|
fileCloseAction = new TQAction( "Close", "&Close", CTRL+Key_W, this,
|
|
"close" );
|
|
connect( fileCloseAction, TQ_SIGNAL( activated() ) , this,
|
|
TQ_SLOT( close() ) );
|
|
|
|
fileQuitAction = new TQAction( "Quit", "&Quit", CTRL+Key_Q, this,
|
|
"quit" );
|
|
connect( fileQuitAction, TQ_SIGNAL( activated() ) , tqApp,
|
|
TQ_SLOT( closeAllWindows() ) );
|
|
|
|
// populate a tool bar with some actions
|
|
|
|
TQToolBar * fileTools = new TQToolBar( this, "file operations" );
|
|
fileTools->setLabel( "File Operations" );
|
|
fileOpenAction->addTo( fileTools );
|
|
fileSaveAction->addTo( fileTools );
|
|
filePrintAction->addTo( fileTools );
|
|
(void)TQWhatsThis::whatsThisButton( fileTools );
|
|
|
|
|
|
// populate a menu with all actions
|
|
|
|
TQPopupMenu * file = new TQPopupMenu( this );
|
|
menuBar()->insertItem( "&File", file );
|
|
fileNewAction->addTo( file );
|
|
fileOpenAction->addTo( file );
|
|
fileSaveAction->addTo( file );
|
|
fileSaveAsAction->addTo( file );
|
|
file->insertSeparator();
|
|
filePrintAction->addTo( file );
|
|
file->insertSeparator();
|
|
fileCloseAction->addTo( file );
|
|
fileQuitAction->addTo( file );
|
|
|
|
|
|
menuBar()->insertSeparator();
|
|
|
|
// add a help menu
|
|
|
|
TQPopupMenu * help = new TQPopupMenu( this );
|
|
menuBar()->insertItem( "&Help", help );
|
|
help->insertItem( "&About", this, TQ_SLOT(about()), Key_F1 );
|
|
help->insertItem( "About &TQt", this, TQ_SLOT(aboutTQt()) );
|
|
help->insertSeparator();
|
|
help->insertItem( "What's &This", this, TQ_SLOT(whatsThis()),
|
|
SHIFT+Key_F1 );
|
|
|
|
|
|
// create and define the central widget
|
|
|
|
e = new TQTextEdit( this, "editor" );
|
|
e->setFocus();
|
|
setCentralWidget( e );
|
|
statusBar()->message( "Ready", 2000 );
|
|
|
|
resize( 450, 600 );
|
|
}
|
|
|
|
|
|
ApplicationWindow::~ApplicationWindow()
|
|
{
|
|
delete printer;
|
|
}
|
|
|
|
|
|
|
|
void ApplicationWindow::newDoc()
|
|
{
|
|
ApplicationWindow *ed = new ApplicationWindow;
|
|
ed->show();
|
|
}
|
|
|
|
void ApplicationWindow::choose()
|
|
{
|
|
TQString fn = TQFileDialog::getOpenFileName( TQString::null, TQString::null,
|
|
this);
|
|
if ( !fn.isEmpty() )
|
|
load( fn );
|
|
else
|
|
statusBar()->message( "Loading aborted", 2000 );
|
|
}
|
|
|
|
|
|
void ApplicationWindow::load( const TQString &fileName )
|
|
{
|
|
TQFile f( fileName );
|
|
if ( !f.open( IO_ReadOnly ) )
|
|
return;
|
|
|
|
TQTextStream ts( &f );
|
|
e->setText( ts.read() );
|
|
e->setModified( FALSE );
|
|
setCaption( fileName );
|
|
statusBar()->message( "Loaded document " + fileName, 2000 );
|
|
}
|
|
|
|
|
|
void ApplicationWindow::save()
|
|
{
|
|
if ( filename.isEmpty() ) {
|
|
saveAs();
|
|
return;
|
|
}
|
|
|
|
TQString text = e->text();
|
|
TQFile f( filename );
|
|
if ( !f.open( IO_WriteOnly ) ) {
|
|
statusBar()->message( TQString("Could not write to %1").arg(filename),
|
|
2000 );
|
|
return;
|
|
}
|
|
|
|
TQTextStream t( &f );
|
|
t << text;
|
|
f.close();
|
|
|
|
e->setModified( FALSE );
|
|
|
|
setCaption( filename );
|
|
|
|
statusBar()->message( TQString( "File %1 saved" ).arg( filename ), 2000 );
|
|
}
|
|
|
|
|
|
void ApplicationWindow::saveAs()
|
|
{
|
|
TQString fn = TQFileDialog::getSaveFileName( TQString::null, TQString::null,
|
|
this );
|
|
if ( !fn.isEmpty() ) {
|
|
filename = fn;
|
|
save();
|
|
} else {
|
|
statusBar()->message( "Saving aborted", 2000 );
|
|
}
|
|
}
|
|
|
|
|
|
void ApplicationWindow::print()
|
|
{
|
|
printer->setFullPage( TRUE );
|
|
if ( printer->setup(this) ) { // printer dialog
|
|
statusBar()->message( "Printing..." );
|
|
TQPainter p;
|
|
if( !p.begin( printer ) ) { // paint on printer
|
|
statusBar()->message( "Printing aborted", 2000 );
|
|
return;
|
|
}
|
|
|
|
TQPaintDeviceMetrics metrics( p.device() );
|
|
int dpiy = metrics.logicalDpiY();
|
|
int margin = (int) ( (2/2.54)*dpiy ); // 2 cm margins
|
|
TQRect view( margin, margin, metrics.width() - 2*margin, metrics.height() - 2*margin );
|
|
TQSimpleRichText richText( TQStyleSheet::convertFromPlainText(e->text()),
|
|
TQFont(),
|
|
e->context(),
|
|
e->styleSheet(),
|
|
e->mimeSourceFactory(),
|
|
view.height() );
|
|
richText.setWidth( &p, view.width() );
|
|
int page = 1;
|
|
do {
|
|
richText.draw( &p, margin, margin, view, colorGroup() );
|
|
view.moveBy( 0, view.height() );
|
|
p.translate( 0 , -view.height() );
|
|
p.drawText( view.right() - p.fontMetrics().width( TQString::number( page ) ),
|
|
view.bottom() + p.fontMetrics().ascent() + 5, TQString::number( page ) );
|
|
if ( view.top() - margin >= richText.height() )
|
|
break;
|
|
printer->newPage();
|
|
page++;
|
|
} while (TRUE);
|
|
|
|
statusBar()->message( "Printing completed", 2000 );
|
|
} else {
|
|
statusBar()->message( "Printing aborted", 2000 );
|
|
}
|
|
}
|
|
|
|
void ApplicationWindow::closeEvent( TQCloseEvent* ce )
|
|
{
|
|
if ( !e->isModified() ) {
|
|
ce->accept();
|
|
return;
|
|
}
|
|
|
|
switch( TQMessageBox::information( this, "TQt Application Example",
|
|
"The document has been changed since "
|
|
"the last save.",
|
|
"Save Now", "Cancel", "Leave Anyway",
|
|
0, 1 ) ) {
|
|
case 0:
|
|
save();
|
|
ce->accept();
|
|
break;
|
|
case 1:
|
|
default: // just for sanity
|
|
ce->ignore();
|
|
break;
|
|
case 2:
|
|
ce->accept();
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
void ApplicationWindow::about()
|
|
{
|
|
TQMessageBox::about( this, "TQt Application Example",
|
|
"This example demonstrates simple use of "
|
|
"TQMainWindow,\nTQMenuBar and TQToolBar.");
|
|
}
|
|
|
|
|
|
void ApplicationWindow::aboutTQt()
|
|
{
|
|
TQMessageBox::aboutTQt( this, "TQt Application Example" );
|
|
}
|