新增网络中转服务器+designer源码项目

designer/lib/shared/signalslotdialog_p.h

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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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 1.1, 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 have questions regarding the use of this file, please contact
+** Nokia at qt-info@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