Display CMS adjustment per-desktop view

[inkscape.git] / src / snap.h

diff --git a/src/snap.h b/src/snap.h
index ea833b0ecc64ee6f25beba6b468bda559d533f5f..9547064a9663e931a48e1a92b1e982b5f4a3329b 100644 (file)
--- a/src/snap.h
+++ b/src/snap.h
@@ -10,6 +10,7 @@
  *   Frank Felfe <innerspace@iname.com>
  *   Carl Hetherington <inkscape@carlh.net>
  *
+ * Copyright (C) 2006-2007 Johan Engelen <johan@shouraizou.nl>
  * Copyright (C) 2000-2002 Lauris Kaplinski
  *
  * Released under GNU GPL, read the file 'COPYING' for more information
@@ -21,7 +22,7 @@
 #include <libnr/nr-dim2.h>
 #include <libnr/nr-forward.h>
 #include <libnr/nr-scale.h>
-#include "grid-snapper.h"
+
 #include "guide-snapper.h"
 #include "object-snapper.h"
 
@@ -39,17 +40,21 @@ class SnapManager
 {
 public:
     SnapManager(SPNamedView const *v);
-    
-    bool willSnapSomething() const;
+
+    typedef std::list<const Inkscape::Snapper*> SnapperList;
+
+    bool SomeSnapperMightSnap() const;
 
     Inkscape::SnappedPoint freeSnap(Inkscape::Snapper::PointType t,
                                     NR::Point const &p,
                                     SPItem const *it) const;
 
-    Inkscape::SnappedPoint freeSnap(Inkscape::Snapper::PointType t,
-                                    NR::Point const &p,
-                                    std::list<SPItem const *> const &it) const;
-    
+    Inkscape::SnappedPoint freeSnap( Inkscape::Snapper::PointType t,
+                                      NR::Point const &p,
+                                      bool const &first_point,
+                                      std::vector<NR::Point> &points_to_snap,
+                                      std::list<SPItem const *> const &it) const;
+
     Inkscape::SnappedPoint constrainedSnap(Inkscape::Snapper::PointType t,
                                            NR::Point const &p,
                                            Inkscape::Snapper::ConstraintLine const &c,
@@ -57,8 +62,13 @@ public:
     
     Inkscape::SnappedPoint constrainedSnap(Inkscape::Snapper::PointType t,
                                            NR::Point const &p,
+                                           bool const &first_point,
+                                           std::vector<NR::Point> &points_to_snap,
                                            Inkscape::Snapper::ConstraintLine const &c,
                                            std::list<SPItem const *> const &it) const;
+                                           
+    Inkscape::SnappedPoint guideSnap(NR::Point const &p,
+                                     NR::Point const &guide_normal) const;
 
     std::pair<NR::Point, bool> freeSnapTranslation(Inkscape::Snapper::PointType t,
                                                    std::vector<NR::Point> const &p,
@@ -98,13 +108,41 @@ public:
                                             NR::Coord const &s,
                                             NR::Point const &o,
                                             NR::Dim2 d) const;
+                                            
+       Inkscape::SnappedPoint guideSnap(NR::Point const &p,
+                           Inkscape::ObjectSnapper::DimensionToSnap const snap_dim) const;
+  
 
-    Inkscape::GridSnapper grid;     ///< grid snapper
-    Inkscape::GuideSnapper guide;   ///< guide snapper
-    Inkscape::ObjectSnapper object; ///< snapper to other objects
+    Inkscape::GuideSnapper guide;      ///< guide snapper
+    Inkscape::ObjectSnapper object;    ///< snapper to other objects
 
-    typedef std::list<const Inkscape::Snapper*> SnapperList;
     SnapperList getSnappers() const;
+    SnapperList getGridSnappers() const;
+    
+    void setSnapModeBBox(bool enabled);
+    void setSnapModeNode(bool enabled);
+    void setSnapModeGuide(bool enabled);
+    bool getSnapModeBBox() const;
+    bool getSnapModeNode() const;
+    bool getSnapModeGuide() const;
+    
+    void setSnapIntersectionGG(bool enabled) {_intersectionGG = enabled;}
+    void setSnapIntersectionLS(bool enabled) {_intersectionLS = enabled;}
+    bool getSnapIntersectionGG() { return _intersectionGG;}
+    bool getSnapIntersectionLS() { return _intersectionLS;}    
+
+    void setIncludeItemCenter(bool enabled)    {
+        _include_item_center = enabled;
+        // also store a local copy in the object-snapper instead of passing it through many functions
+        object.setIncludeItemCenter(enabled);
+       }
+    
+    bool getIncludeItemCenter() const {
+        return _include_item_center;
+    }
+        
+protected:
+    SPNamedView const *_named_view;
 
 private:
 
@@ -115,6 +153,10 @@ private:
         SKEW
     };
     
+    bool _include_item_center; //If true, snapping nodes will also snap the item's center
+    bool _intersectionGG;
+    bool _intersectionLS;
+    
     std::pair<NR::Point, bool> _snapTransformed(Inkscape::Snapper::PointType type,
                                                 std::vector<NR::Point> const &points,
                                                 std::list<SPItem const *> const &ignore,
@@ -125,6 +167,8 @@ private:
                                                 NR::Point const &origin,
                                                 NR::Dim2 dim,
                                                 bool uniform) const;
+                                                
+    Inkscape::SnappedPoint findBestSnap(NR::Point const &p, SnappedConstraints &sc) const;
 };
 
 #endif /* !SEEN_SNAP_H */