1 files changed, 151 insertions, 0 deletions
diff --git a/src/seltrans.h b/src/seltrans.h
new file mode 100644
index 000000000..30be58eeb
--- /dev/null
+++ b/src/seltrans.h
@@ -0,0 +1,151 @@
+#ifndef __SELTRANS_H__
+#define __SELTRANS_H__
+
+/*
+ * Helper object for transforming selected items
+ *
+ * Author:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   Carl Hetherington <inkscape@carlh.net>
+ *
+ * Copyright (C) 1999-2002 Lauris Kaplinski
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include <sigc++/sigc++.h>
+#include <libnr/nr-point.h>
+#include <libnr/nr-matrix.h>
+#include <libnr/nr-rect.h>
+#include "forward.h"
+#include "selcue.h"
+#include "message-context.h"
+#include <vector>
+
+struct SPKnot;
+class SPDesktop;
+class SPCanvasItem;
+class SPSelTransHandle;
+
+namespace Inkscape
+{
+
+namespace XML
+{
+  class Node;
+}
+
+class SelTrans
+{
+public:
+    SelTrans(SPDesktop *desktop);
+    ~SelTrans();
+
+    Inkscape::MessageContext &messageContext() {
+        return _message_context;
+    }
+
+    void increaseState();
+    void resetState();
+    void setCenter(NR::Point const &p);
+    void grab(NR::Point const &p, gdouble x, gdouble y, bool show_handles);
+    void transform(NR::Matrix const &rel_affine, NR::Point const &norm);
+    void ungrab();
+    void stamp();
+    void moveTo(NR::Point const &xy, guint state);
+    void stretch(SPSelTransHandle const &handle, NR::Point &pt, guint state);
+    void scale(NR::Point &pt, guint state);
+    void skew(SPSelTransHandle const &handle, NR::Point &pt, guint state);
+    void rotate(NR::Point &pt, guint state);
+    gboolean scaleRequest(NR::Point &pt, guint state);
+    gboolean stretchRequest(SPSelTransHandle const &handle, NR::Point &pt, guint state);
+    gboolean skewRequest(SPSelTransHandle const &handle, NR::Point &pt, guint state);
+    gboolean rotateRequest(NR::Point &pt, guint state);
+    gboolean centerRequest(NR::Point &pt, guint state);
+
+    gboolean handleRequest(SPKnot *knot, NR::Point *position, guint state, SPSelTransHandle const &handle);
+    void handleGrab(SPKnot *knot, guint state, SPSelTransHandle const &handle);
+    void handleNewEvent(SPKnot *knot, NR::Point *position, guint state, SPSelTransHandle const &handle);
+
+    enum Show
+    {
+        SHOW_CONTENT,
+        SHOW_OUTLINE
+    };
+
+    void setShow(Show s) {
+        _show = s;
+    }
+    bool isEmpty() {
+        return _empty;
+    }
+    
+private:
+    void _updateHandles();
+    void _updateVolatileState();
+    void _selChanged(Inkscape::Selection *selection);
+    void _selModified(Inkscape::Selection *selection, guint flags);
+    void _showHandles(SPKnot *knot[], SPSelTransHandle const handle[], gint num,
+                      gchar const *even_tip, gchar const *odd_tip);
+    void _centreTrans(Inkscape::XML::Node *current) const;
+    
+    enum State {
+        STATE_SCALE,
+	STATE_ROTATE
+    };
+    
+    SPDesktop *_desktop;
+
+    std::vector<std::pair<SPItem *, NR::Matrix> > _items;
+    
+    std::vector<NR::Point> _snap_points;
+    std::vector<NR::Point> _bbox_points;
+    
+    Inkscape::SelCue _selcue;
+
+    Inkscape::Selection *_selection;
+    State _state;
+    Show _show;
+
+    bool _grabbed;
+    bool _show_handles;
+    bool _empty;
+    bool _changed;
+
+    NR::Rect _box;
+    gdouble _strokewidth;
+    NR::Matrix _current;
+    NR::Point _opposite; ///< opposite point to where a scale is taking place
+    NR::Point _center;
+    SPKnot *_shandle[8];
+    SPKnot *_rhandle[8];
+    SPKnot *_chandle;
+    SPCanvasItem *_norm;
+    SPCanvasItem *_grip;
+    SPCanvasItem *_l[4];
+    guint _sel_changed_id;
+    guint _sel_modified_id;
+    GSList *_stamp_cache;    
+
+    NR::Point _origin; ///< position of origin for transforms
+    NR::Point _point; ///< original position of the knot being used for the current transform
+    Inkscape::MessageContext _message_context;
+    SigC::Connection _sel_changed_connection;
+    SigC::Connection _sel_modified_connection;
+};
+
+}
+
+#endif
+
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :