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+/****************************************************************************
+** $Id: application.cpp,v 1.1 2004/09/18 17:31:23 phil Exp $
+**
+** Copyright (C) 1992-2002 Trolltech AS. All rights reserved.
+**
+** This file is part of an example program for Qt. This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include "application.h"
+
+#include <qimage.h>
+#include <qpixmap.h>
+#include <qtoolbar.h>
+#include <qtoolbutton.h>
+#include <qpopupmenu.h>
+#include <qmenubar.h>
+#include <qfile.h>
+#include <qfiledialog.h>
+#include <qstatusbar.h>
+#include <qmessagebox.h>
+#include <qprinter.h>
+#include <qapplication.h>
+#include <qaccel.h>
+#include <qtextstream.h>
+#include <qpainter.h>
+#include <qpaintdevicemetrics.h>
+#include <qwhatsthis.h>
+#include <qsimplerichtext.h>
+
+#include <qextscintilla.h>
+#include <qextscintillaprinter.h>
+
+#include "filesave.xpm"
+#include "fileopen.xpm"
+#include "fileprint.xpm"
+
+ApplicationWindow::ApplicationWindow()
+ : QMainWindow( 0, "example application main window", WDestructiveClose | WGroupLeader )
+{
+ printer = new QextScintillaPrinter( QPrinter::HighResolution );
+ QPixmap openIcon, saveIcon, printIcon;
+
+ QToolBar * fileTools = new QToolBar( this, "file operations" );
+ fileTools->setLabel( "File Operations" );
+
+ openIcon = QPixmap( fileopen );
+ QToolButton * fileOpen
+ = new QToolButton( openIcon, "Open File", QString::null,
+ this, SLOT(choose()), fileTools, "open file" );
+
+ saveIcon = QPixmap( filesave );
+ QToolButton * fileSave
+ = new QToolButton( saveIcon, "Save File", QString::null,
+ this, SLOT(save()), fileTools, "save file" );
+
+ printIcon = QPixmap( fileprint );
+ QToolButton * filePrint
+ = new QToolButton( printIcon, "Print File", QString::null,
+ this, SLOT(print()), fileTools, "print file" );
+
+
+ (void)QWhatsThis::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>";
+
+ QWhatsThis::add( fileOpen, fileOpenText );
+
+ QMimeSourceFactory::defaultFactory()->setPixmap( "fileopen", 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>";
+
+ QWhatsThis::add( 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.";
+
+ QWhatsThis::add( filePrint, filePrintText );
+
+
+ QPopupMenu * file = new QPopupMenu( this );
+ menuBar()->insertItem( "&File", file );
+
+
+ file->insertItem( "&New", this, SLOT(newDoc()), CTRL+Key_N );
+
+ int id;
+ id = file->insertItem( openIcon, "&Open...",
+ this, SLOT(choose()), CTRL+Key_O );
+ file->setWhatsThis( id, fileOpenText );
+
+ id = file->insertItem( saveIcon, "&Save",
+ this, SLOT(save()), CTRL+Key_S );
+ file->setWhatsThis( id, fileSaveText );
+
+ id = file->insertItem( "Save &As...", this, SLOT(saveAs()) );
+ file->setWhatsThis( id, fileSaveText );
+
+ file->insertSeparator();
+
+ id = file->insertItem( printIcon, "&Print...",
+ this, SLOT(print()), CTRL+Key_P );
+ file->setWhatsThis( id, filePrintText );
+
+ file->insertSeparator();
+
+ file->insertItem( "&Close", this, SLOT(close()), CTRL+Key_W );
+
+ file->insertItem( "&Quit", qApp, SLOT( closeAllWindows() ), CTRL+Key_Q );
+
+ menuBar()->insertSeparator();
+
+ QPopupMenu * help = new QPopupMenu( this );
+ menuBar()->insertItem( "&Help", help );
+
+ help->insertItem( "&About", this, SLOT(about()), Key_F1 );
+ help->insertItem( "About &Qt", this, SLOT(aboutQt()) );
+ help->insertSeparator();
+ help->insertItem( "What's &This", this, SLOT(whatsThis()), SHIFT+Key_F1 );
+
+ e = new QextScintilla( 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->setCaption("QScintilla Example - Application");
+ ed->show();
+}
+
+void ApplicationWindow::choose()
+{
+ QString fn = QFileDialog::getOpenFileName( QString::null, QString::null,
+ this);
+ if ( !fn.isEmpty() )
+ load( fn );
+ else
+ statusBar()->message( "Loading aborted", 2000 );
+}
+
+
+void ApplicationWindow::load( const QString &fileName )
+{
+ QFile f( fileName );
+ if ( !f.open( IO_ReadOnly ) )
+ return;
+
+ QTextStream 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;
+ }
+
+ QString text = e->text();
+ QFile f( filename );
+ if ( !f.open( IO_WriteOnly ) ) {
+ statusBar()->message( QString("Could not write to %1").arg(filename),
+ 2000 );
+ return;
+ }
+
+ QTextStream t( &f );
+ t << text;
+ f.close();
+
+ e->setModified( FALSE );
+
+ setCaption( filename );
+
+ statusBar()->message( QString( "File %1 saved" ).arg( filename ), 2000 );
+}
+
+
+void ApplicationWindow::saveAs()
+{
+ QString fn = QFileDialog::getSaveFileName( QString::null, QString::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..." );
+
+ if (printer->printRange( e ))
+ statusBar()->message( "Printing completed", 2000 );
+ else
+ statusBar()->message( "Error while printing", 2000 );
+ } else {
+ statusBar()->message( "Printing aborted", 2000 );
+ }
+}
+
+void ApplicationWindow::closeEvent( QCloseEvent* ce )
+{
+ if ( !e->isModified() ) {
+ ce->accept();
+ return;
+ }
+
+ switch( QMessageBox::information( this, "QScintilla Application Example",
+ "Do you want to save the changes"
+ " to the document?",
+ "Yes", "No", "Cancel",
+ 0, 1 ) ) {
+ case 0:
+ save();
+ ce->accept();
+ break;
+ case 1:
+ ce->accept();
+ break;
+ case 2:
+ default: // just for sanity
+ ce->ignore();
+ break;
+ }
+}
+
+
+void ApplicationWindow::about()
+{
+ QMessageBox::about( this, "QScintilla Application Example",
+ "This example demonstrates a simple use of "
+ "QextScintilla and QextScintillaPrinter.");
+}
+
+
+void ApplicationWindow::aboutQt()
+{
+ QMessageBox::aboutQt( this, "QScintilla Application Example" );
+}
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