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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// 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 PREVIEWMANAGER_H
#define PREVIEWMANAGER_H
#include "shared_global_p.h"
#include <QtCore/QObject>
#include <QtCore/QString>
#include <QtCore/QSharedDataPointer>
QT_BEGIN_NAMESPACE
class QDesignerFormWindowInterface;
class QWidget;
class QPixmap;
class QAction;
class QActionGroup;
class QMenu;
class QWidget;
class QDesignerSettingsInterface;
namespace qdesigner_internal {
// ----------- PreviewConfiguration
class PreviewConfigurationData;
class QDESIGNER_SHARED_EXPORT PreviewConfiguration {
public:
PreviewConfiguration();
explicit PreviewConfiguration(const QString &style,
const QString &applicationStyleSheet = QString(),
const QString &deviceSkin = QString());
PreviewConfiguration(const PreviewConfiguration&);
PreviewConfiguration& operator=(const PreviewConfiguration&);
~PreviewConfiguration();
QString style() const;
void setStyle(const QString &);
// Style sheet to prepend (to simulate the effect od QApplication::setSyleSheet()).
QString applicationStyleSheet() const;
void setApplicationStyleSheet(const QString &);
QString deviceSkin() const;
void setDeviceSkin(const QString &);
void clear();
void toSettings(const QString &prefix, QDesignerSettingsInterface *settings) const;
void fromSettings(const QString &prefix, const QDesignerSettingsInterface *settings);
private:
QSharedDataPointer<PreviewConfigurationData> m_d;
};
QDESIGNER_SHARED_EXPORT bool operator<(const PreviewConfiguration &pc1, const PreviewConfiguration &pc2);
QDESIGNER_SHARED_EXPORT bool operator==(const PreviewConfiguration &pc1, const PreviewConfiguration &pc2);
QDESIGNER_SHARED_EXPORT bool operator!=(const PreviewConfiguration &pc1, const PreviewConfiguration &pc2);
// ----------- Preview window manager.
// Maintains a list of preview widgets with their associated form windows and configuration.
class PreviewManagerPrivate;
class QDESIGNER_SHARED_EXPORT PreviewManager : public QObject
{
Q_OBJECT
public:
enum PreviewMode {
// Modal preview. Do not use on Macs as dialogs would have no close button
ApplicationModalPreview,
// Non modal previewing of one form in different configurations (closes if form window changes)
SingleFormNonModalPreview,
// Non modal previewing of several forms in different configurations
MultipleFormNonModalPreview };
explicit PreviewManager(PreviewMode mode, QObject *parent);
virtual ~PreviewManager();
// Show preview. Raise existing preview window if there is one with a matching
// configuration, else create a new preview.
QWidget *showPreview(const QDesignerFormWindowInterface *, const PreviewConfiguration &pc, int deviceProfileIndex /*=-1*/, QString *errorMessage);
// Convenience that creates a preview using a configuration taken from the settings.
QWidget *showPreview(const QDesignerFormWindowInterface *, const QString &style, int deviceProfileIndex /*=-1*/, QString *errorMessage);
QWidget *showPreview(const QDesignerFormWindowInterface *, const QString &style, QString *errorMessage);
int previewCount() const;
// Create a pixmap for printing.
QPixmap createPreviewPixmap(const QDesignerFormWindowInterface *fw, const PreviewConfiguration &pc, int deviceProfileIndex /*=-1*/, QString *errorMessage);
// Convenience that creates a pixmap using a configuration taken from the settings.
QPixmap createPreviewPixmap(const QDesignerFormWindowInterface *fw, const QString &style, int deviceProfileIndex /*=-1*/, QString *errorMessage);
QPixmap createPreviewPixmap(const QDesignerFormWindowInterface *fw, const QString &style, QString *errorMessage);
virtual bool eventFilter(QObject *watched, QEvent *event);
public slots:
void closeAllPreviews();
signals:
void firstPreviewOpened();
void lastPreviewClosed();
private slots:
void slotZoomChanged(int);
private:
virtual Qt::WindowFlags previewWindowFlags(const QWidget *widget) const;
virtual QWidget *createDeviceSkinContainer(const QDesignerFormWindowInterface *) const;
QWidget *raise(const QDesignerFormWindowInterface *, const PreviewConfiguration &pc);
QWidget *createPreview(const QDesignerFormWindowInterface *,
const PreviewConfiguration &pc,
int deviceProfileIndex /* = -1 */,
QString *errorMessage,
/*Disabled by default, <0 */
int initialZoom = -1);
void updatePreviewClosed(QWidget *w);
PreviewManagerPrivate *d;
PreviewManager(const PreviewManager &other);
PreviewManager &operator =(const PreviewManager &other);
};
}
QT_END_NAMESPACE
#endif // PREVIEWMANAGER_H
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