index 1af848b964d0a0930d6088df5365ef150dfcc55b..5c3b494cea9cc9b3d7353e72f16ba0836c514110 100644 (file)
#include "desktop-handles.h"
#include "display/sodipodi-ctrlrect.h"
#include "preferences.h"
+#include "snap.h"
+#include "snap-candidate.h"
+#include "sp-namedview.h"
#include "ui/tool/commit-events.h"
#include "ui/tool/control-point.h"
+#include "ui/tool/control-point-selection.h"
+#include "ui/tool/selectable-control-point.h"
#include "ui/tool/event-utils.h"
#include "ui/tool/transform-handle-set.h"
+#include "ui/tool/node-tool.h"
// FIXME BRAIN DAMAGE WARNING: this is a global variable in select-context.cpp
// It should be moved to a header
Geom::Matrix _last_transform;
Geom::Point _origin;
TransformHandleSet &_th;
+ std::vector<Inkscape::SnapCandidatePoint> _snap_points;
+
private:
virtual bool grabbed(GdkEventMotion *) {
_origin = position();
_th._setActiveHandle(this);
_cset = &invisible_cset;
_setState(_state);
+
+ // Collect the snap-candidates, one for each selected node. These will be stored in the _snap_points vector.
+ SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+ SnapManager &m = desktop->namedview->snap_manager;
+ InkNodeTool *nt = INK_NODE_TOOL(_desktop->event_context);
+ ControlPointSelection *selection = nt->_selected_nodes.get();
+
+ _snap_points = selection->getOriginalPoints();
+
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ if (prefs->getBool("/options/snapclosestonly/value", false)) {
+ m.keepClosestPointOnly(_snap_points, _origin);
+ }
+
return false;
}
virtual void dragged(Geom::Point &new_pos, GdkEventMotion *event)
_last_transform = t;
}
virtual void ungrabbed(GdkEventButton *) {
+ _snap_points.clear();
_th._clearActiveHandle();
_cset = &thandle_cset;
_setState(_state);
if (state_held_control(state)) {
if (state_held_shift(state)) {
return C_("Transform handle tip",
- "<b>Shift+Ctrl:</b> scale uniformly about the rotation center");
+ "<b>Shift+Ctrl</b>: scale uniformly about the rotation center");
}
return C_("Transform handle tip", "<b>Ctrl:</b> scale uniformly");
}
if (state_held_shift(state)) {
if (state_held_alt(state)) {
return C_("Transform handle tip",
- "<b>Shift+Alt:</b> scale using an integer ratio about the rotation center");
+ "<b>Shift+Alt</b>: scale using an integer ratio about the rotation center");
}
- return C_("Transform handle tip", "<b>Shift:</b> scale from the rotation center");
+ return C_("Transform handle tip", "<b>Shift</b>: scale from the rotation center");
}
if (state_held_alt(state)) {
- return C_("Transform handle tip", "<b>Alt:</b> scale using an integer ratio");
+ return C_("Transform handle tip", "<b>Alt</b>: scale using an integer ratio");
}
- return C_("Transform handle tip", "<b>Scale handle:</b> drag to scale the selection");
+ return C_("Transform handle tip", "<b>Scale handle</b>: drag to scale the selection");
}
virtual Glib::ustring _getDragTip(GdkEventMotion */*event*/) {
_sc_center = _th.rotationCenter();
_sc_opposite = _th.bounds().corner(_corner + 2);
_last_scale_x = _last_scale_y = 1.0;
+ InkNodeTool *nt = INK_NODE_TOOL(_desktop->event_context);
+ ControlPointSelection *selection = nt->_selected_nodes.get();
+ selection->setOriginalPoints();
}
virtual Geom::Matrix computeTransform(Geom::Point const &new_pos, GdkEventMotion *event) {
Geom::Point scc = held_shift(*event) ? _sc_center : _sc_opposite;
Geom::Point vold = _origin - scc, vnew = new_pos - scc;
+
// avoid exploding the selection
if (Geom::are_near(vold[Geom::X], 0) || Geom::are_near(vold[Geom::Y], 0))
return Geom::identity();
double scale[2] = { vnew[Geom::X] / vold[Geom::X], vnew[Geom::Y] / vold[Geom::Y] };
+
if (held_alt(*event)) {
for (unsigned i = 0; i < 2; ++i) {
if (scale[i] >= 1.0) scale[i] = round(scale[i]);
else scale[i] = 1.0 / round(1.0 / scale[i]);
}
- } else if (held_control(*event)) {
- scale[0] = scale[1] = std::min(scale[0], scale[1]);
+ } else {
+ //SPDesktop *desktop = _th._desktop; // Won't work as _desktop is protected
+ SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+ SnapManager &m = desktop->namedview->snap_manager;
+
+ // The lines below have been copied from Handle::dragged() in node.cpp, and need to be
+ // activated if we want to snap to unselected (i.e. stationary) nodes and stationary pieces of paths of the
+ // path that's currently being edited
+ /*
+ std::vector<Inkscape::SnapCandidatePoint> unselected;
+ typedef ControlPointSelection::Set Set;
+ Set &nodes = _parent->_selection.allPoints();
+ for (Set::iterator i = nodes.begin(); i != nodes.end(); ++i) {
+ Node *n = static_cast<Node*>(*i);
+ Inkscape::SnapCandidatePoint p(n->position(), n->_snapSourceType(), n->_snapTargetType());
+ unselected.push_back(p);
+ }
+ m.setupIgnoreSelection(_desktop, true, &unselected);
+ */
+
+ m.setupIgnoreSelection(_desktop);
+
+ Inkscape::SnappedPoint sp;
+ if (held_control(*event)) {
+ scale[0] = scale[1] = std::min(scale[0], scale[1]);
+ sp = m.constrainedSnapScale(_snap_points, _origin, Geom::Scale(scale[0], scale[1]), scc);
+ } else {
+ sp = m.freeSnapScale(_snap_points, _origin, Geom::Scale(scale[0], scale[1]), scc);
+ }
+ m.unSetup();
+
+ if (sp.getSnapped()) {
+ Geom::Point result = sp.getTransformation();
+ scale[0] = result[0];
+ scale[1] = result[1];
+ }
}
+
_last_scale_x = scale[0];
_last_scale_y = scale[1];
Geom::Matrix t = Geom::Translate(-scc)
if (state_held_shift(state)) {
if (state_held_control(state)) {
return format_tip(C_("Transform handle tip",
- "<b>Shift+Ctrl:</b> rotate around the opposite corner and snap "
+ "<b>Shift+Ctrl</b>: rotate around the opposite corner and snap "
"angle to %f° increments"), snap_increment_degrees());
}
- return C_("Transform handle tip", "<b>Shift:</b> rotate around the opposite corner");
+ return C_("Transform handle tip", "<b>Shift</b>: rotate around the opposite corner");
}
if (state_held_control(state)) {
return format_tip(C_("Transform handle tip",
- "<b>Ctrl:</b> snap angle to %f° increments"), snap_increment_degrees());
+ "<b>Ctrl</b>: snap angle to %f° increments"), snap_increment_degrees());
}
- return C_("Transform handle tip", "<b>Rotation handle:</b> drag to rotate "
+ return C_("Transform handle tip", "<b>Rotation handle</b>: drag to rotate "
"the selection around the rotation center");
}
if (state_held_shift(state)) {
if (state_held_control(state)) {
return format_tip(C_("Transform handle tip",
- "<b>Shift+Ctrl:</b> skew about the rotation center with snapping "
+ "<b>Shift+Ctrl</b>: skew about the rotation center with snapping "
"to %f° increments"), snap_increment_degrees());
}
- return C_("Transform handle tip", "<b>Shift:</b> skew about the rotation center");
+ return C_("Transform handle tip", "<b>Shift</b>: skew about the rotation center");
}
if (state_held_control(state)) {
return format_tip(C_("Transform handle tip",
- "<b>Ctrl:</b> snap skew angle to %f° increments"), snap_increment_degrees());
+ "<b>Ctrl</b>: snap skew angle to %f° increments"), snap_increment_degrees());
}
return C_("Transform handle tip",
- "<b>Skew handle:</b> drag to skew (shear) selection about "
+ "<b>Skew handle</b>: drag to skew (shear) selection about "
"the opposite handle");
}
}
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");
+ "<b>Rotation center</b>: drag to change the origin of transforms");
}
private:
fill-column:99
End:
*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :