tools/designer/src/lib/shared/grid_p.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/designer/src/lib/shared/grid_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** 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 QDESIGNER_GRID_H
+#define QDESIGNER_GRID_H
+
+#include "shared_global_p.h"
+
+#include <QtCore/QVariantMap>
+
+QT_BEGIN_NAMESPACE
+
+class QWidget;
+class QPaintEvent;
+class QPainter;
+
+namespace qdesigner_internal {
+
+// Designer grid which is able to serialize to QVariantMap
+class QDESIGNER_SHARED_EXPORT Grid
+{
+public:
+    Grid();
+
+    bool fromVariantMap(const QVariantMap& vm);
+
+    void addToVariantMap(QVariantMap& vm, bool forceKeys = false) const;
+    QVariantMap toVariantMap(bool forceKeys = false) const;
+
+    inline bool visible() const   { return m_visible; }
+    void setVisible(bool visible) { m_visible = visible; }
+
+    inline bool snapX() const     { return m_snapX; }
+    void setSnapX(bool snap)      { m_snapX = snap; }
+
+    inline bool snapY() const     { return m_snapY; }
+    void setSnapY(bool snap)      { m_snapY = snap; }
+
+    inline int deltaX() const     { return m_deltaX; }
+    void setDeltaX(int dx)        { m_deltaX = dx; }
+
+    inline int deltaY() const     { return m_deltaY; }
+    void setDeltaY(int dy)        { m_deltaY = dy; }
+
+    void paint(QWidget *widget, QPaintEvent *e) const;
+    void paint(QPainter &p, const QWidget *widget, QPaintEvent *e) const;
+
+    QPoint snapPoint(const QPoint &p) const;
+
+    int widgetHandleAdjustX(int x) const;
+    int widgetHandleAdjustY(int y) const;
+
+    inline bool operator==(const Grid &rhs) const { return equals(rhs); }
+    inline bool operator!=(const Grid &rhs) const { return !equals(rhs); }
+
+private:
+    bool equals(const Grid &rhs) const;
+    int snapValue(int value, int grid) const;
+    bool m_visible;
+    bool m_snapX;
+    bool m_snapY;
+    int m_deltaX;
+    int m_deltaY;
+};
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // QDESIGNER_GRID_H