New QmlDesigner plugin & Design mode

This adds a new "Design" mode that can be used to manipulate qml files
in a visual way. It will only get build if you have the declarativeui
module in Qt.

This is a squashed import from the Bauhaus project. Share & enjoy :)

1 files changed, 91 insertions, 0 deletions

diff --git a/src/plugins/qmldesigner/components/formeditor/resizemanipulator.h b/src/plugins/qmldesigner/components/formeditor/resizemanipulator.h
new file mode 100644
index 0000000000..913966537f
--- /dev/null
+++ b/src/plugins/qmldesigner/components/formeditor/resizemanipulator.h
@@ -0,0 +1,91 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#ifndef RESIZEMANIPULATOR_H
+#define RESIZEMANIPULATOR_H
+
+#include <QWeakPointer>
+#include "resizehandleitem.h"
+#include <snapper.h>
+#include "rewritertransaction.h"
+#include "formeditorview.h"
+
+namespace QmlDesigner {
+
+class ResizeHandleItem;
+class Model;
+
+class ResizeManipulator
+{
+public:
+    enum Snapping {
+        UseSnapping,
+        NoSnapping
+    };
+
+    ResizeManipulator(LayerItem *layerItem, FormEditorView *view);
+    ~ResizeManipulator();
+
+    void setHandle(ResizeHandleItem *resizeHandle);
+    void removeHandle();
+
+    void begin(const QPointF& beginPoint);
+    void update(const QPointF& updatePoint, Snapping useSnapping);
+    void end();
+
+    void moveBy(double deltaX, double deltaY);
+
+    void clear();
+
+protected:
+    bool isInvalidSize(const QSizeF & size);
+    void deleteSnapLines();
+    ResizeHandleItem *resizeHandle();
+
+private:
+    Snapper m_snapper;
+    QWeakPointer<FormEditorView> m_view;
+    QList<QGraphicsItem*> m_graphicsLineList;
+    ResizeController m_resizeController; // hold the controller so that the handle cant be deleted
+    QTransform m_beginFromSceneTransform;
+    QTransform m_beginToSceneTransform;
+    QTransform m_beginToParentTransform;
+    QRectF m_beginBoundingRect;
+    QPointF m_beginBottomRightPoint;
+    double m_beginTopMargin;
+    double m_beginLeftMargin;
+    double m_beginRightMargin;
+    double m_beginBottomMargin;
+    QWeakPointer<LayerItem> m_layerItem;
+    ResizeHandleItem *m_resizeHandle;
+    RewriterTransaction m_rewriterTransaction;
+};
+
+}
+#endif // RESIZEMANIPULATOR_H