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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of Qt Designer. This header
// file may change from version to version without notice, or even be removed.
//
// We mean it.
//
#ifndef _SIGNALSLOTDIALOG_H
#define _SIGNALSLOTDIALOG_H
#include "shared_global_p.h"
#include <QtCore/QStringList>
#include <QtGui/QDialog>
#include <QtGui/QStandardItemModel>
QT_BEGIN_NAMESPACE
class QDesignerFormEditorInterface;
class QDesignerFormWindowInterface;
class QDesignerDialogGuiInterface;
class QDesignerMemberSheet;
class QListView;
class QToolButton;
class QItemSelection;
namespace Ui {
class SignalSlotDialogClass;
}
namespace qdesigner_internal {
// Dialog data
struct SignalSlotDialogData {
void clear();
QStringList m_existingMethods;
QStringList m_fakeMethods;
};
// Internal helper class: A model for signatures that allows for verifying duplicates
// (checking signals versus slots and vice versa).
class SignatureModel : public QStandardItemModel {
Q_OBJECT
public:
SignatureModel(QObject *parent = 0);
virtual bool setData (const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
signals:
void checkSignature(const QString &signature, bool *ok);
};
// Internal helper class: Panel for editing method signatures. List view with validator,
// add and remove button
class SignaturePanel : public QObject {
Q_OBJECT
public:
SignaturePanel(QObject *parent, QListView *listView, QToolButton *addButton, QToolButton *removeButton, const QString &newPrefix);
QStringList fakeMethods() const;
void setData(const SignalSlotDialogData &d);
int count(const QString &signature) const;
signals:
void checkSignature(const QString &signature, bool *ok);
private slots:
void slotAdd();
void slotRemove();
void slotSelectionChanged(const QItemSelection &, const QItemSelection &);
private:
void closeEditor();
const QString m_newPrefix;
SignatureModel *m_model;
QListView *m_listView;
QToolButton *m_removeButton;
};
// Dialog for editing signals and slots.
// Provides static convenience function
// to modify fake signals and slots. They are
// handled in 2 ways:
// 1) For the MainContainer: Fake signals and slots are stored
// in the meta database (per-instance)
// 2) For promoted widgets: Fake signals and slots are stored
// in the widget database (per-class)
// Arguably, we could require the MainContainer to be promoted for that, too,
// but that would require entering a header.
class QDESIGNER_SHARED_EXPORT SignalSlotDialog : public QDialog {
Q_OBJECT
public:
enum FocusMode { FocusSlots, FocusSignals };
explicit SignalSlotDialog(QDesignerDialogGuiInterface *dialogGui, QWidget *parent = 0, FocusMode m = FocusSlots);
virtual ~SignalSlotDialog();
DialogCode showDialog(SignalSlotDialogData &slotData, SignalSlotDialogData &signalData);
// Edit fake methods stored in MetaDataBase (per instance, used for main containers)
static bool editMetaDataBase(QDesignerFormWindowInterface *fw, QObject *object, QWidget *parent = 0, FocusMode m = FocusSlots);
// Edit fake methods of a promoted class stored in WidgetDataBase (synthesizes a widget to obtain existing members).
static bool editPromotedClass(QDesignerFormEditorInterface *core, const QString &promotedClassName, QWidget *parent = 0, FocusMode m = FocusSlots);
// Edit fake methods of a promoted class stored in WidgetDataBase on a base class instance.
static bool editPromotedClass(QDesignerFormEditorInterface *core, QObject *baseObject, QWidget *parent = 0, FocusMode m = FocusSlots);
private slots:
void slotCheckSignature(const QString &signature, bool *ok);
private:
// Edit fake methods of a promoted class stored in WidgetDataBase using an instance of the base class.
static bool editPromotedClass(QDesignerFormEditorInterface *core, const QString &promotedClassName, QObject *baseObject, QWidget *parent, FocusMode m);
const FocusMode m_focusMode;
Ui::SignalSlotDialogClass *m_ui;
QDesignerDialogGuiInterface *m_dialogGui;
SignaturePanel *m_slotPanel;
SignaturePanel *m_signalPanel;
};
}
QT_END_NAMESPACE
#endif
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