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/* This file is part of the KDE project
Copyright (C) 2006-2007 Jaroslaw Staniek <js@iidea.pl>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KDBWIDGETS_UTILS_H
#define KDBWIDGETS_UTILS_H
#include <qpopupmenu.h>
#include <kexidataiteminterface.h>
QColor lighterGrayBackgroundColor(const QPalette& palette);
//! @short Used for extending editor widgets' context menu.
/*! @internal This is performed by adding a title and disabling editing
actions when "read only" flag is true. */
class KexiDBWidgetContextMenuExtender : public QObject
{
public:
KexiDBWidgetContextMenuExtender( QObject* parent, KexiDataItemInterface* iface );
~KexiDBWidgetContextMenuExtender();
//! Creates title for context menu \a menu
void createTitle(QPopupMenu *menu);
//! Enables or disables context menu actions that can modify the value.
//! The menu has to be previously provided by createTitle().
void updatePopupMenuActions();
/*! Updates title for context menu based on data item \a iface caption or name
Used in createTitle(QPopupMenu *menu) and KexiDBImageBox.
\return true is the title has been added. */
static bool updateContextMenuTitleForDataItem(QPopupMenu *menu, KexiDataItemInterface* iface,
const QString& icon = QString::null);
protected:
KexiDataItemInterface* m_iface;
QGuardedPtr<QPopupMenu> m_contextMenu;
bool m_contextMenuHasTitle; //!< true if KPopupTitle has been added to the context menu.
};
class KexiDBAutoField;
//! An interface allowing to define custom behaviour for subwidget of the KexiDBAutoField
class KexiSubwidgetInterface
{
public:
KexiSubwidgetInterface();
virtual ~KexiSubwidgetInterface();
virtual bool appendStretchRequired(KexiDBAutoField* autoField) const
{ Q_UNUSED(autoField); return false; }
virtual bool subwidgetStretchRequired(KexiDBAutoField* autoField) const
{ Q_UNUSED(autoField); return false; }
};
#endif
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