GSoC C++-ificiation merge and cleanup.

[inkscape.git] / src / snapper.cpp

diff --git a/src/snapper.cpp b/src/snapper.cpp
index 3d5b33c167320b81161775ffa18b5d0495c839ee..fb7281c30bfb14647ab83f69b7cf5aa8bd4ffa8d 100644 (file)
--- a/src/snapper.cpp
+++ b/src/snapper.cpp
@@ -4,179 +4,40 @@
  *
  *  Authors:
  *    Carl Hetherington <inkscape@carlh.net>
+ *    Diederik van Lierop <mail@diedenrezi.nl>
  *
  *  Released under GNU GPL, read the file 'COPYING' for more information.
  */
 
-#include "libnr/nr-values.h"
 #include "sp-namedview.h"
 #include "inkscape.h"
 #include "desktop.h"
 
-Inkscape::Snapper::PointType const Inkscape::Snapper::BBOX_POINT = 0x1;
-Inkscape::Snapper::PointType const Inkscape::Snapper::SNAP_POINT = 0x2;
-
 /**
  *  Construct new Snapper for named view.
  *  \param nv Named view.
- *  \param d Snap distance.
- */
-Inkscape::Snapper::Snapper(SPNamedView const *nv, NR::Coord const d) : _named_view(nv), _distance(d), _enabled(true)
-{
-    g_assert(_named_view != NULL);
-    g_assert(SP_IS_NAMEDVIEW(_named_view));
-
-    setSnapTo(BBOX_POINT, true);
-}
-
-/**
- *  Set snap distance.
- *  \param d New snap distance (desktop coordinates)
- */
-void Inkscape::Snapper::setDistance(NR::Coord const d)
-{
-    _distance = d;
-}
-
-/**
- *  \return Snap distance (desktop coordinates); depends on current zoom so that it's always the same in screen pixels
+ *  \param d Snap tolerance.
  */
-NR::Coord Inkscape::Snapper::getDistance() const
+Inkscape::Snapper::Snapper(SnapManager *sm, Geom::Coord const /*t*/) :
+    _snapmanager(sm),
+    _snap_enabled(true),
+    _snap_visible_only(true)
 {
-    return _distance / SP_ACTIVE_DESKTOP->current_zoom();
+    g_assert(_snapmanager != NULL);
 }
 
-/**
- *  Turn on/off snapping of specific point types.
- *  \param t Point type.
- *  \param s true to snap to this point type, otherwise false;
- */
-void Inkscape::Snapper::setSnapTo(PointType t, bool s)
-{
-    if (s) {
-        _snap_to |= t;
-    } else {
-        _snap_to &= ~t;
-    }
-}
-
-/**
- *  \param t Point type.
- *  \return true if snapper will snap this type of point, otherwise false.
- */
-bool Inkscape::Snapper::getSnapTo(PointType t) const
-{
-    return (_snap_to & t);
-}
-
-/**
- *  \return true if this Snapper will snap at least one kind of point.
- */
-bool Inkscape::Snapper::willSnapSomething() const
-{
-    return (_enabled && _snap_to != 0);
-}
-
-
 /**
  *  \param s true to enable this snapper, otherwise false.
  */
 
 void Inkscape::Snapper::setEnabled(bool s)
 {
-    _enabled = s;
+    _snap_enabled = s;
 }
 
-
-/**
- *  Try to snap a point to whatever this snapper is interested in.  Any
- *  snap that occurs will be to the nearest "interesting" thing (e.g. a
- *  grid or guide line)
- *
- *  \param t Point type.
- *  \param p Point to snap (desktop coordinates).
- *  \param it Item that should not be snapped to.
- *  \return Snapped point.
- */
-
-Inkscape::SnappedPoint Inkscape::Snapper::freeSnap(PointType t,
-                                                   NR::Point const &p,
-                                                   SPItem const *it) const
-{
-    std::list<SPItem const *> lit;
-    lit.push_back(it);
-    return freeSnap(t, p, lit);
-}
-
-
-/**
- *  Try to snap a point to whatever this snapper is interested in.  Any
- *  snap that occurs will be to the nearest "interesting" thing (e.g. a
- *  grid or guide line)
- *
- *  \param t Point type.
- *  \param p Point to snap (desktop coordinates).
- *  \param it Items that should not be snapped to.
- *  \return Snapped point.
- */
-
-Inkscape::SnappedPoint Inkscape::Snapper::freeSnap(PointType t,
-                                                   NR::Point const &p,
-                                                   std::list<SPItem const *> const &it) const
-{
-    if (_enabled == false || getSnapTo(t) == false) {
-        return SnappedPoint(p, NR_HUGE);
-    }
-
-    return _doFreeSnap(p, it);
-}
-
-
-
-
-/**
- *  Try to snap a point to whatever this snapper is interested in, where
- *  the snap point is constrained to lie along a specified vector from the
- *  original point.
- *
- *  \param p Point to snap (desktop coordinates).
- *  \param c Vector to constrain the snap to.
- *  \param it Items that should not be snapped to.
- *  \return Snapped point.
- */
-
-Inkscape::SnappedPoint Inkscape::Snapper::constrainedSnap(PointType t,
-                                                          NR::Point const &p,
-                                                          ConstraintLine const &c,
-                                                          SPItem const *it) const
+void Inkscape::Snapper::setSnapVisibleOnly(bool s)
 {
-    std::list<SPItem const *> lit;
-    lit.push_back(it);
-    return constrainedSnap(t, p, c, lit);
-}
-
-
-/**
- *  Try to snap a point to whatever this snapper is interested in, where
- *  the snap point is constrained to lie along a specified vector from the
- *  original point.
- *
- *  \param p Point to snap (desktop coordinates).
- *  \param c Vector to constrain the snap to.
- *  \param it Items that should not be snapped to.
- *  \return Snapped point.
- */
-
-Inkscape::SnappedPoint Inkscape::Snapper::constrainedSnap(PointType t,
-                                                          NR::Point const &p,
-                                                          ConstraintLine const &c,
-                                                          std::list<SPItem const *> const &it) const
-{
-    if (_enabled == false || getSnapTo(t) == false) {
-        return SnappedPoint(p, NR_HUGE);
-    }
-
-    return _doConstrainedSnap(p, c, it);
+    _snap_visible_only = s;
 }
 
 /*