Long live Qt!

1 files changed, 147 insertions, 0 deletions

diff --git a/tools/designer/src/lib/shared/qdesigner_dnditem_p.h b/tools/designer/src/lib/shared/qdesigner_dnditem_p.h
new file mode 100644
index 0000000..cf36b39
--- /dev/null
+++ b/tools/designer/src/lib/shared/qdesigner_dnditem_p.h
@@ -0,0 +1,147 @@
+/****************************************************************************
+**
+** 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 QDESIGNER_DNDITEM_H
+#define QDESIGNER_DNDITEM_H
+
+#include "shared_global_p.h"
+#include <QtDesigner/abstractdnditem.h>
+
+#include <QtCore/QPoint>
+#include <QtCore/QList>
+#include <QtCore/QMimeData>
+
+QT_BEGIN_NAMESPACE
+
+class QDrag;
+class QImage;
+class QDropEvent;
+
+namespace qdesigner_internal {
+
+class QDESIGNER_SHARED_EXPORT QDesignerDnDItem: public QDesignerDnDItemInterface
+{
+public:
+    explicit QDesignerDnDItem(DropType type, QWidget *source = 0);
+    virtual ~QDesignerDnDItem();
+
+    virtual DomUI *domUi() const;
+    virtual QWidget *decoration() const;
+    virtual QWidget *widget() const;
+    virtual QPoint hotSpot() const;
+    virtual QWidget *source() const;
+
+    virtual DropType type() const;
+
+protected:
+    void setDomUi(DomUI *dom_ui);
+    void init(DomUI *ui, QWidget *widget, QWidget *decoration, const QPoint &global_mouse_pos);
+
+private:
+    QWidget *m_source;
+    const DropType m_type;
+    const QPoint m_globalStartPos;
+    DomUI *m_dom_ui;
+    QWidget *m_widget;
+    QWidget *m_decoration;
+    QPoint m_hot_spot;
+
+    Q_DISABLE_COPY(QDesignerDnDItem)
+};
+
+// Mime data for use with designer drag and drop operations.
+
+class  QDESIGNER_SHARED_EXPORT QDesignerMimeData : public QMimeData {
+    Q_OBJECT
+
+public:
+    typedef QList<QDesignerDnDItemInterface *> QDesignerDnDItems;
+
+    virtual ~QDesignerMimeData();
+
+    const QDesignerDnDItems &items() const { return m_items; }
+
+    // Execute a drag and drop operation.
+    static Qt::DropAction execDrag(const QDesignerDnDItems &items, QWidget * dragSource);
+
+    QPoint hotSpot() const { return m_hotSpot; }
+
+    // Move the decoration. Required for drops over form windows as the position
+    // is derived from the decoration position.
+    void moveDecoration(const QPoint &globalPos) const;
+
+    // For a move operation, create the undo command sequence to remove
+    // the widgets from the source form.
+    static void removeMovedWidgetsFromSourceForm(const QDesignerDnDItems &items);
+
+    // Accept an event with the proper action.
+    void acceptEvent(QDropEvent *e) const;
+
+    // Helper to accept an event with the desired action.
+    static void acceptEventWithAction(Qt::DropAction desiredAction, QDropEvent *e);
+
+private:
+    QDesignerMimeData(const QDesignerDnDItems &items, QDrag *drag);
+    Qt::DropAction proposedDropAction() const;
+
+    static void setImageTransparency(QImage &image, int alpha);
+
+    const QDesignerDnDItems m_items;
+    QPoint m_globalStartPos;
+    QPoint m_hotSpot;
+};
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // QDESIGNER_DNDITEM_H