newformwidget_p.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
#ifndef NEWFORMWIDGET_H
#define NEWFORMWIDGET_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include "shared_global_p.h"
#include "deviceprofile_p.h"
 
#include <QtDesigner/abstractnewformwidget.h>
 
#include <QtWidgets/qwidget.h>
 
#include <QtGui/qpixmap.h>
 
#include <QtCore/qlist.h>
#include <QtCore/qmap.h>
#include <QtCore/qpair.h>
#include <QtCore/qstringlist.h>
 
QT_BEGIN_NAMESPACE
 
class QIODevice;
class QTreeWidgetItem;
 
namespace qdesigner_internal {
 
namespace Ui {
    class NewFormWidget;
}
 
class QDESIGNER_SHARED_EXPORT NewFormWidget : public QDesignerNewFormWidgetInterface
{
    Q_OBJECT
    Q_DISABLE_COPY_MOVE(NewFormWidget)
 
public:
    using DeviceProfileList = QList<qdesigner_internal::DeviceProfile>;
 
    explicit NewFormWidget(QDesignerFormEditorInterface *core, QWidget *parentWidget);
    ~NewFormWidget() override;
 
    bool hasCurrentTemplate() const override;
    QString currentTemplate(QString *errorMessage = nullptr) override;
 
    // Convenience for implementing file dialogs with preview
    static QImage grabForm(QDesignerFormEditorInterface *core,
                           QIODevice &file,
                           const QString &workingDir,
                           const qdesigner_internal::DeviceProfile &dp);
 
private slots:
    void treeWidgetItemActivated(QTreeWidgetItem *item);
    void treeWidgetCurrentItemChanged(QTreeWidgetItem *current);
    void treeWidgetItemPressed(QTreeWidgetItem *item);
    void slotDeviceProfileIndexChanged(int idx);
 
private:
    QPixmap formPreviewPixmap(const QString &fileName) const;
    QPixmap formPreviewPixmap(QIODevice &file, const QString &workingDir = QString()) const;
    QPixmap formPreviewPixmap(const QTreeWidgetItem *item);
 
    void loadFrom(const QString &path, bool resourceFile, const QString &uiExtension,
                  const QString &selectedItem, QTreeWidgetItem *&selectedItemFound);
    void loadFrom(const QString &title, const QStringList &nameList,
                  const QString &selectedItem, QTreeWidgetItem *&selectedItemFound);
 
private:
    QString itemToTemplate(const QTreeWidgetItem *item, QString *errorMessage) const;
    QString currentTemplateI(QString *ptrToErrorMessage);
 
    QSize templateSize() const;
    void setTemplateSize(const QSize &s);
    int profileComboIndex() const;
    qdesigner_internal::DeviceProfile currentDeviceProfile() const;
    bool showCurrentItemPixmap();
 
    // Pixmap cache (item, profile combo index)
    using ItemPixmapCacheKey = std::pair<const QTreeWidgetItem *, int>;
    using ItemPixmapCache = QMap<ItemPixmapCacheKey, QPixmap>;
    ItemPixmapCache m_itemPixmapCache;
 
    QDesignerFormEditorInterface *m_core;
    Ui::NewFormWidget *m_ui;
    QTreeWidgetItem *m_currentItem;
    QTreeWidgetItem *m_acceptedItem;
    DeviceProfileList m_deviceProfiles;
};
 
}
 
QT_END_NAMESPACE
 
#endif // NEWFORMWIDGET_H