aboutsummaryrefslogtreecommitdiffstats
path: root/src/declarative/graphicsitems/qdeclarativeanchors_p_p.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeanchors_p_p.h')
-rw-r--r--src/declarative/graphicsitems/qdeclarativeanchors_p_p.h170
1 files changed, 170 insertions, 0 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeanchors_p_p.h b/src/declarative/graphicsitems/qdeclarativeanchors_p_p.h
new file mode 100644
index 0000000000..d8d2f15bb6
--- /dev/null
+++ b/src/declarative/graphicsitems/qdeclarativeanchors_p_p.h
@@ -0,0 +1,170 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDECLARATIVEANCHORS_P_H
+#define QDECLARATIVEANCHORS_P_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 "private/qdeclarativeanchors_p.h"
+#include "private/qdeclarativeitemchangelistener_p.h"
+#include <private/qobject_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDeclarativeAnchorLine
+{
+public:
+ QDeclarativeAnchorLine() : item(0), anchorLine(Invalid) {}
+
+ enum AnchorLine {
+ Invalid = 0x0,
+ Left = 0x01,
+ Right = 0x02,
+ Top = 0x04,
+ Bottom = 0x08,
+ HCenter = 0x10,
+ VCenter = 0x20,
+ Baseline = 0x40,
+ Horizontal_Mask = Left | Right | HCenter,
+ Vertical_Mask = Top | Bottom | VCenter | Baseline
+ };
+
+ QGraphicsObject *item;
+ AnchorLine anchorLine;
+};
+
+inline bool operator==(const QDeclarativeAnchorLine& a, const QDeclarativeAnchorLine& b)
+{
+ return a.item == b.item && a.anchorLine == b.anchorLine;
+}
+
+class QDeclarativeAnchorsPrivate : public QObjectPrivate, public QDeclarativeItemChangeListener
+{
+ Q_DECLARE_PUBLIC(QDeclarativeAnchors)
+public:
+ QDeclarativeAnchorsPrivate(QGraphicsObject *i)
+ : componentComplete(true), updatingMe(false), updatingHorizontalAnchor(0),
+ updatingVerticalAnchor(0), updatingFill(0), updatingCenterIn(0), item(i), usedAnchors(0), fill(0),
+ centerIn(0), leftMargin(0), rightMargin(0), topMargin(0), bottomMargin(0),
+ margins(0), vCenterOffset(0), hCenterOffset(0), baselineOffset(0)
+ {
+ }
+
+ void clearItem(QGraphicsObject *);
+
+ void addDepend(QGraphicsObject *);
+ void remDepend(QGraphicsObject *);
+ bool isItemComplete() const;
+
+ bool componentComplete:1;
+ bool updatingMe:1;
+ uint updatingHorizontalAnchor:2;
+ uint updatingVerticalAnchor:2;
+ uint updatingFill:2;
+ uint updatingCenterIn:2;
+
+ void setItemHeight(qreal);
+ void setItemWidth(qreal);
+ void setItemX(qreal);
+ void setItemY(qreal);
+ void setItemPos(const QPointF &);
+ void setItemSize(const QSizeF &);
+
+ void updateOnComplete();
+ void updateMe();
+
+ // QDeclarativeItemGeometryListener interface
+ void itemGeometryChanged(QDeclarativeItem *, const QRectF &, const QRectF &);
+ void _q_widgetDestroyed(QObject *);
+ void _q_widgetGeometryChanged();
+ QDeclarativeAnchorsPrivate *anchorPrivate() { return this; }
+
+ bool checkHValid() const;
+ bool checkVValid() const;
+ bool checkHAnchorValid(QDeclarativeAnchorLine anchor) const;
+ bool checkVAnchorValid(QDeclarativeAnchorLine anchor) const;
+ bool calcStretch(const QDeclarativeAnchorLine &edge1, const QDeclarativeAnchorLine &edge2, qreal offset1, qreal offset2, QDeclarativeAnchorLine::AnchorLine line, qreal &stretch);
+
+ bool isMirrored() const;
+ void updateHorizontalAnchors();
+ void updateVerticalAnchors();
+ void fillChanged();
+ void centerInChanged();
+
+ QGraphicsObject *item;
+ QDeclarativeAnchors::Anchors usedAnchors;
+
+ QGraphicsObject *fill;
+ QGraphicsObject *centerIn;
+
+ QDeclarativeAnchorLine left;
+ QDeclarativeAnchorLine right;
+ QDeclarativeAnchorLine top;
+ QDeclarativeAnchorLine bottom;
+ QDeclarativeAnchorLine vCenter;
+ QDeclarativeAnchorLine hCenter;
+ QDeclarativeAnchorLine baseline;
+
+ qreal leftMargin;
+ qreal rightMargin;
+ qreal topMargin;
+ qreal bottomMargin;
+ qreal margins;
+ qreal vCenterOffset;
+ qreal hCenterOffset;
+ qreal baselineOffset;
+};
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(QDeclarativeAnchorLine)
+
+#endif