diff options
Diffstat (limited to 'src/ui/tool/transform-handle-set.cpp')
| -rw-r--r-- | src/ui/tool/transform-handle-set.cpp | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/ui/tool/transform-handle-set.cpp b/src/ui/tool/transform-handle-set.cpp index ef93a3767..cafd592a3 100644 --- a/src/ui/tool/transform-handle-set.cpp +++ b/src/ui/tool/transform-handle-set.cpp @@ -18,6 +18,8 @@ #include "desktop-handles.h" #include "display/sodipodi-ctrlrect.h" #include "preferences.h" +#include "snap.h" +#include "sp-namedview.h" #include "ui/tool/commit-events.h" #include "ui/tool/control-point.h" #include "ui/tool/event-utils.h" @@ -473,7 +475,23 @@ public: } protected: - + virtual void dragged(Geom::Point &new_pos, GdkEventMotion *event) { + SnapManager &sm = _desktop->namedview->snap_manager; + sm.setup(_desktop); + bool snap = !held_shift(*event) && sm.someSnapperMightSnap(); + if (held_control(*event)) { + // constrain to axes + Geom::Point origin = _last_drag_origin(); + std::vector<Inkscape::Snapper::SnapConstraint> constraints; + constraints.push_back(Inkscape::Snapper::SnapConstraint(origin, Geom::Point(1, 0))); + constraints.push_back(Inkscape::Snapper::SnapConstraint(origin, Geom::Point(0, 1))); + new_pos = sm.multipleConstrainedSnaps(Inkscape::SnapCandidatePoint(new_pos, + SNAPSOURCE_ROTATION_CENTER), constraints, held_shift(*event)).getPoint(); + } else if (snap) { + sm.freeSnapReturnByRef(new_pos, SNAPSOURCE_ROTATION_CENTER); + } + sm.unSetup(); + } virtual Glib::ustring _getTip(unsigned /*state*/) { return C_("Transform handle tip", "<b>Rotation center</b>: drag to change the origin of transforms"); |