Add Qt3 development HEAD version

1 files changed, 251 insertions, 0 deletions

diff --git a/tools/designer/editor/editor.cpp b/tools/designer/editor/editor.cpp
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+++ b/tools/designer/editor/editor.cpp
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+ /**********************************************************************
+** Copyright (C) 2005-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of Qt Designer.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with
+** the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#include "editor.h"
+#include "parenmatcher.h"
+#include <qfile.h>
+#include <private/qrichtext_p.h>
+#include "conf.h"
+#include <qapplication.h>
+#include <qpopupmenu.h>
+#include <qaccel.h>
+
+Editor::Editor( const QString &fn, QWidget *parent, const char *name )
+    : QTextEdit( parent, name ), hasError( FALSE )
+{
+    document()->setFormatter( new QTextFormatterBreakInWords );
+    if ( !fn.isEmpty() )
+	load( fn );
+    setHScrollBarMode( QScrollView::AlwaysOff );
+    setVScrollBarMode( QScrollView::AlwaysOn );
+    document()->setUseFormatCollection( FALSE );
+    parenMatcher = new ParenMatcher;
+    connect( this, SIGNAL( cursorPositionChanged( QTextCursor * ) ),
+	     this, SLOT( cursorPosChanged( QTextCursor * ) ) );
+    cfg = new Config;
+    document()->addSelection( Error );
+    document()->addSelection( Step );
+    document()->setSelectionColor( Error, red );
+    document()->setSelectionColor( Step, yellow );
+    document()->setInvertSelectionText( Error, FALSE );
+    document()->setInvertSelectionText( Step, FALSE );
+    document()->addSelection( ParenMatcher::Match );
+    document()->addSelection( ParenMatcher::Mismatch );
+    document()->setSelectionColor( ParenMatcher::Match, QColor( 204, 232, 195 ) );
+    document()->setSelectionColor( ParenMatcher::Mismatch, Qt::magenta );
+    document()->setInvertSelectionText( ParenMatcher::Match, FALSE );
+    document()->setInvertSelectionText( ParenMatcher::Mismatch, FALSE );
+
+    accelComment = new QAccel( this );
+    accelComment->connectItem( accelComment->insertItem( ALT + Key_C ),
+			       this, SLOT( commentSelection() ) );
+    accelUncomment = new QAccel( this );
+    accelUncomment->connectItem( accelUncomment->insertItem( ALT + Key_U ),
+				 this, SLOT( uncommentSelection() ) );
+    editable = TRUE;
+}
+
+Editor::~Editor()
+{
+    delete cfg;
+    delete parenMatcher;
+}
+
+void Editor::cursorPosChanged( QTextCursor *c )
+{
+    if ( parenMatcher->match( c ) )
+	repaintChanged();
+    if ( hasError ) {
+	emit clearErrorMarker();
+	hasError = FALSE;
+    }
+}
+
+void Editor::load( const QString &fn )
+{
+    filename = fn;
+    QFile f( filename );
+    if ( !f.open( IO_ReadOnly ) )
+	return;
+    QCString txt;
+    txt.resize( f.size() );
+    f.readBlock( txt.data(), f.size() );
+    QString s( QString::fromLatin1( txt ) );
+    setText( s );
+}
+
+void Editor::save( const QString &fn )
+{
+    if ( !filename.isEmpty() )
+	filename = fn;
+}
+
+void Editor::configChanged()
+{
+    document()->invalidate();
+    viewport()->repaint( FALSE );
+}
+
+void Editor::setErrorSelection( int line )
+{
+    QTextParagraph *p = document()->paragAt( line );
+    if ( !p )
+	return;
+    QTextCursor c( document() );
+    c.setParagraph( p );
+    c.setIndex( 0 );
+    document()->removeSelection( Error );
+    document()->setSelectionStart( Error, c );
+    c.gotoLineEnd();
+    document()->setSelectionEnd( Error, c );
+    hasError = TRUE;
+    viewport()->repaint( FALSE );
+}
+
+void Editor::setStepSelection( int line )
+{
+    QTextParagraph *p = document()->paragAt( line );
+    if ( !p )
+	return;
+    QTextCursor c( document() );
+    c.setParagraph( p );
+    c.setIndex( 0 );
+    document()->removeSelection( Step );
+    document()->setSelectionStart( Step, c );
+    c.gotoLineEnd();
+    document()->setSelectionEnd( Step, c );
+    viewport()->repaint( FALSE );
+}
+
+void Editor::clearStepSelection()
+{
+    document()->removeSelection( Step );
+    viewport()->repaint( FALSE );
+}
+
+void Editor::doChangeInterval()
+{
+    emit intervalChanged();
+    QTextEdit::doChangeInterval();
+}
+
+void Editor::commentSelection()
+{
+    QTextParagraph *start = document()->selectionStartCursor( QTextDocument::Standard ).paragraph();
+    QTextParagraph *end = document()->selectionEndCursor( QTextDocument::Standard ).paragraph();
+    if ( !start || !end )
+	start = end = textCursor()->paragraph();
+    while ( start ) {
+	if ( start == end && textCursor()->index() == 0 )
+	    break;
+	start->insert( 0, "//" );
+	if ( start == end )
+	    break;
+	start = start->next();
+    }
+    document()->removeSelection( QTextDocument::Standard );
+    repaintChanged();
+    setModified( TRUE );
+}
+
+void Editor::uncommentSelection()
+{
+    QTextParagraph *start = document()->selectionStartCursor( QTextDocument::Standard ).paragraph();
+    QTextParagraph *end = document()->selectionEndCursor( QTextDocument::Standard ).paragraph();
+    if ( !start || !end )
+	start = end = textCursor()->paragraph();
+    while ( start ) {
+	if ( start == end && textCursor()->index() == 0 )
+	    break;
+	while ( start->at( 0 )->c == '/' )
+	    start->remove( 0, 1 );
+	if ( start == end )
+	    break;
+	start = start->next();
+    }
+    document()->removeSelection( QTextDocument::Standard );
+    repaintChanged();
+    setModified( TRUE );
+}
+
+QPopupMenu *Editor::createPopupMenu( const QPoint &p )
+{
+    QPopupMenu *menu = QTextEdit::createPopupMenu( p );
+    menu->insertSeparator();
+    menu->insertItem( tr( "C&omment Code\tAlt+C" ), this, SLOT( commentSelection() ) );
+    menu->insertItem( tr( "Unco&mment Code\tAlt+U" ), this, SLOT( uncommentSelection() ) );
+    return menu;
+}
+
+bool Editor::eventFilter( QObject *o, QEvent *e )
+{
+    if ( ( e->type() == QEvent::FocusIn || e->type() == QEvent::FocusOut ) &&
+	 ( o == this || o == viewport() ) ) {
+	accelUncomment->setEnabled( e->type() == QEvent::FocusIn );
+	accelComment->setEnabled( e->type() == QEvent::FocusIn );
+    }
+    return QTextEdit::eventFilter( o, e );
+}
+
+void Editor::doKeyboardAction( KeyboardAction action )
+{
+    if ( !editable )
+	return;
+    QTextEdit::doKeyboardAction( action );
+}
+
+void Editor::keyPressEvent( QKeyEvent *e )
+{
+    if ( editable ) {
+	QTextEdit::keyPressEvent( e );
+	return;
+    }
+
+    switch ( e->key() ) {
+    case Key_Left:
+    case Key_Right:
+    case Key_Up:
+    case Key_Down:
+    case Key_Home:
+    case Key_End:
+    case Key_Prior:
+    case Key_Next:
+    case Key_Direction_L:
+    case Key_Direction_R:
+	QTextEdit::keyPressEvent( e );
+	break;
+    default:
+	e->accept();
+	break;
+    }
+}