| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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| 6 | **
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| 7 | ** This file is part of the Qt Designer of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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| 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at [email protected].
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include "scriptdialog_p.h"
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| 43 | #include "qscripthighlighter_p.h"
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| 44 |
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| 45 | #include <abstractdialoggui_p.h>
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| 46 |
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| 47 | #include <QtGui/QTextEdit>
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| 48 | #include <QtGui/QVBoxLayout>
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| 49 | #include <QtGui/QHBoxLayout>
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| 50 | #include <QtGui/QDialogButtonBox>
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| 51 | #include <QtGui/QMessageBox>
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| 52 | #ifdef QT_SCRIPT_LIB
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| 53 | #include <QtScript/QScriptEngine>
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| 54 | #endif
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| 55 |
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| 56 | QT_BEGIN_NAMESPACE
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| 57 |
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| 58 | namespace qdesigner_internal {
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| 59 |
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| 60 | // ScriptDialog
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| 61 | ScriptDialog::ScriptDialog(QDesignerDialogGuiInterface *m_dialogGui, QWidget *parent) :
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| 62 | QDialog(parent),
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| 63 | m_dialogGui(m_dialogGui),
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| 64 | m_textEdit(new QTextEdit)
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| 65 | {
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| 66 | setWindowTitle(tr("Edit script"));
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| 67 | setModal(true);
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| 68 |
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| 69 | QVBoxLayout *vboxLayout = new QVBoxLayout(this);
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| 70 |
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| 71 | const QString textHelp = tr("\
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| 72 | <html>Enter a Qt Script snippet to be executed while loading the form.<br>\
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| 73 | The widget and its children are accessible via the \
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| 74 | variables <i>widget</i> and <i>childWidgets</i>, respectively.");
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| 75 | m_textEdit->setToolTip(textHelp);
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| 76 | m_textEdit->setWhatsThis(textHelp);
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| 77 | m_textEdit->setMinimumSize(QSize(600, 400));
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| 78 | vboxLayout->addWidget(m_textEdit);
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| 79 | new QScriptHighlighter(m_textEdit->document());
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| 80 | // button box
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| 81 | QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok|QDialogButtonBox::Cancel);
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| 82 | connect(buttonBox , SIGNAL(rejected()), this, SLOT(reject()));
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| 83 | connect(buttonBox , SIGNAL(accepted()), this, SLOT(slotAccept()));
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| 84 | vboxLayout->addWidget(buttonBox);
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| 85 | }
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| 86 |
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| 87 | bool ScriptDialog::editScript(QString &script)
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| 88 | {
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| 89 | m_textEdit->setText(script);
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| 90 | if (exec() != Accepted)
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| 91 | return false;
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| 92 |
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| 93 | script = trimmedScript();
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| 94 | return true;
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| 95 | }
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| 96 |
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| 97 | void ScriptDialog::slotAccept()
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| 98 | {
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| 99 | if (checkScript())
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| 100 | accept();
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| 101 | }
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| 102 |
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| 103 | QString ScriptDialog::trimmedScript() const
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| 104 | {
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| 105 | // Ensure a single newline
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| 106 | QString rc = m_textEdit->toPlainText().trimmed();
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| 107 | if (!rc.isEmpty())
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| 108 | rc += QLatin1Char('\n');
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| 109 | return rc;
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| 110 | }
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| 111 |
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| 112 | bool ScriptDialog::checkScript()
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| 113 | {
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| 114 | const QString script = trimmedScript();
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| 115 | if (script.isEmpty())
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| 116 | return true;
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| 117 | #ifdef QT_SCRIPT_LIB
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| 118 | QScriptEngine scriptEngine;
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| 119 | if (scriptEngine.canEvaluate(script))
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| 120 | return true;
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| 121 | m_dialogGui->message(this, QDesignerDialogGuiInterface::ScriptDialogMessage, QMessageBox::Warning,
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| 122 | windowTitle(), tr("Syntax error"), QMessageBox::Ok);
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| 123 | return false;
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| 124 | #else
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| 125 | return true;
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| 126 | #endif
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| 127 | }
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| 128 | } // namespace qdesigner_internal
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| 129 |
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| 130 | QT_END_NAMESPACE
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