Initial import of qscintilla from 2007

1 files changed, 271 insertions, 0 deletions

diff --git a/example/application.cpp b/example/application.cpp
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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" );
+}