tools/designer/src/lib/shared/propertylineedit.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the Qt Designer of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "propertylineedit_p.h"
       
    43 
       
    44 #include <QtGui/QContextMenuEvent>
       
    45 #include <QtGui/QKeyEvent>
       
    46 #include <QtGui/QMenu>
       
    47 
       
    48 QT_BEGIN_NAMESPACE
       
    49 
       
    50 namespace qdesigner_internal {
       
    51     PropertyLineEdit::PropertyLineEdit(QWidget *parent) :
       
    52         QLineEdit(parent), m_wantNewLine(false)
       
    53     {
       
    54     }
       
    55 
       
    56     bool PropertyLineEdit::event(QEvent *e)
       
    57     {
       
    58         // handle 'Select all' here as it is not done in the QLineEdit
       
    59         if (e->type() == QEvent::ShortcutOverride && !isReadOnly()) {
       
    60             QKeyEvent* ke = static_cast<QKeyEvent*> (e);
       
    61             if (ke->modifiers() & Qt::ControlModifier) {
       
    62                 if(ke->key() == Qt::Key_A) {
       
    63                     ke->accept();
       
    64                     return true;
       
    65                 }
       
    66             }
       
    67         }
       
    68         return QLineEdit::event(e);
       
    69     }
       
    70 
       
    71     void PropertyLineEdit::insertNewLine() {
       
    72         insertText(QLatin1String("\\n"));
       
    73     }
       
    74 
       
    75     void PropertyLineEdit::insertText(const QString &text) {
       
    76         // position cursor after new text and grab focus
       
    77         const int oldCursorPosition = cursorPosition ();
       
    78         insert(text);
       
    79         setCursorPosition (oldCursorPosition + text.length());
       
    80         setFocus(Qt::OtherFocusReason);
       
    81     }
       
    82 
       
    83     void PropertyLineEdit::contextMenuEvent(QContextMenuEvent *event) {
       
    84         QMenu  *menu = createStandardContextMenu ();
       
    85 
       
    86         if (m_wantNewLine) {
       
    87             menu->addSeparator();
       
    88             QAction* nlAction = menu->addAction(tr("Insert line break"));
       
    89             connect(nlAction, SIGNAL(triggered()), this, SLOT(insertNewLine()));
       
    90         }
       
    91 
       
    92         menu->exec(event->globalPos());
       
    93     }
       
    94 }
       
    95 
       
    96 QT_END_NAMESPACE