Code

Node tool: special case node duplication for endnodes - select new endnode
[inkscape.git] / src / shape-editor.cpp
index 44ad9dc9e9cf32addeff77e79348da8bfe0abffd..1962b710ca1ad6accb7a02ad6611ad1228361b8b 100644 (file)
@@ -1,10 +1,9 @@
-#define __SHAPE_EDITOR_CPP__
-
 /*
  * Inkscape::ShapeEditor
  *
  * Authors:
  *   bulia byak <buliabyak@users.sf.net>
+ *   Krzysztof KosiƄski <tweenk.pl@gmail.com>
  *
  */
 
@@ -25,7 +24,6 @@
 #include "desktop-handles.h"
 #include "knotholder.h"
 #include "live_effects/parameter/point.h"
-#include "nodepath.h"
 #include "xml/node-event-vector.h"
 #include "preferences.h"
 #include "object-edit.h"
 
 #include "shape-editor.h"
 
-
-ShapeEditorsCollective::ShapeEditorsCollective(SPDesktop */*dt*/) {
-}
-
-ShapeEditorsCollective::~ShapeEditorsCollective() {
-}
-
-
-void ShapeEditorsCollective::update_statusbar() {
-
-//!!! move from nodepath: sp_nodepath_update_statusbar but summing for all nodepaths
-
-}
-
 ShapeEditor::ShapeEditor(SPDesktop *dt) {
     this->desktop = dt;
-    this->grab_node = -1;
-    this->nodepath = NULL;
     this->knotholder = NULL;
-    this->hit = false;
     this->knotholder_listener_attached_for = NULL;
-    this->nodepath_listener_attached_for = NULL;
 }
 
 ShapeEditor::~ShapeEditor() {
     unset_item(SH_KNOTHOLDER);
-    unset_item(SH_NODEPATH);
 }
 
 void ShapeEditor::unset_item(SubType type, bool keep_knotholder) {
@@ -69,18 +48,7 @@ void ShapeEditor::unset_item(SubType type, bool keep_knotholder) {
 
     switch (type) {
         case SH_NODEPATH:
-            if (this->nodepath) {
-                old_repr = this->nodepath->repr;
-                if (old_repr && old_repr == nodepath_listener_attached_for) {
-                    sp_repr_remove_listener_by_data(old_repr, this);
-                    Inkscape::GC::release(old_repr);
-                    nodepath_listener_attached_for = NULL;
-                }
-
-                this->grab_node = -1;
-                delete this->nodepath;
-                this->nodepath = NULL;
-            }
+            // defunct
             break;
         case SH_KNOTHOLDER:
             if (this->knotholder) {
@@ -101,7 +69,7 @@ void ShapeEditor::unset_item(SubType type, bool keep_knotholder) {
 }
 
 bool ShapeEditor::has_nodepath () {
-    return (this->nodepath != NULL);
+    return false;
 }
 
 bool ShapeEditor::has_knotholder () {
@@ -116,7 +84,8 @@ void ShapeEditor::update_knotholder () {
 bool ShapeEditor::has_local_change (SubType type) {
     switch (type) {
         case SH_NODEPATH:
-            return (this->nodepath && this->nodepath->local_change);
+            // defunct
+            return false;
         case SH_KNOTHOLDER:
             return (this->knotholder && this->knotholder->local_change != 0);
         default:
@@ -127,9 +96,7 @@ bool ShapeEditor::has_local_change (SubType type) {
 void ShapeEditor::decrement_local_change (SubType type) {
     switch (type) {
         case SH_NODEPATH:
-            if (this->nodepath && this->nodepath->local_change > 0) {
-                this->nodepath->local_change--;
-            }
+            // defunct
             break;
         case SH_KNOTHOLDER:
             if (this->knotholder) {
@@ -145,9 +112,7 @@ const SPItem *ShapeEditor::get_item (SubType type) {
     const SPItem *item = NULL;
     switch (type) {
         case SH_NODEPATH:
-            if (this->has_nodepath()) {
-                item = this->nodepath->item;
-            }
+            // defunct
             break;
         case SH_KNOTHOLDER:
             if (this->has_knotholder()) {
@@ -159,50 +124,18 @@ const SPItem *ShapeEditor::get_item (SubType type) {
 }
 
 GList *ShapeEditor::save_nodepath_selection () {
-    if (this->nodepath)
-        return ::save_nodepath_selection (this->nodepath);
+    // defunct stub
     return NULL;
 }
 
-void ShapeEditor::restore_nodepath_selection (GList *saved) {
-    if (this->nodepath && saved)
-        ::restore_nodepath_selection (this->nodepath, saved);
+void ShapeEditor::restore_nodepath_selection (GList */*saved*/) {
+    // defunct stub
 }
 
-bool ShapeEditor::nodepath_edits_repr_key(gchar const *name) {
-    if (nodepath && name) {
-        return ( !strcmp(name, nodepath->repr_key) || !strcmp(name, nodepath->repr_nodetypes_key) );
-    }
-
-    return false;
-}
-
-
 void ShapeEditor::shapeeditor_event_attr_changed(gchar const *name)
 {
-    gboolean changed_np = FALSE;
     gboolean changed_kh = FALSE;
 
-    if (has_nodepath() && nodepath_edits_repr_key(name))
-    {
-        changed_np = !has_local_change(SH_NODEPATH);
-        decrement_local_change(SH_NODEPATH);
-    }
-
-    if (changed_np) {
-        GList *saved = NULL;
-        if (has_nodepath()) {
-            saved = save_nodepath_selection();
-        }
-
-        reset_item(SH_NODEPATH);
-
-        if (has_nodepath() && saved) {
-            restore_nodepath_selection(saved);
-            g_list_free (saved);
-        }
-    }
-
     if (has_knotholder())
     {
         changed_kh = !has_local_change(SH_KNOTHOLDER);
@@ -213,8 +146,6 @@ void ShapeEditor::shapeeditor_event_attr_changed(gchar const *name)
             reset_item(SH_KNOTHOLDER, !strcmp(name, "d"));
         }
     }
-
-    update_statusbar(); //TODO: get_container()->update_statusbar();
 }
 
 
@@ -243,27 +174,11 @@ void ShapeEditor::set_item(SPItem *item, SubType type, bool keep_knotholder) {
     // since this freezes the handles
     unset_item(type, keep_knotholder);
 
-    this->grab_node = -1;
-
     if (item) {
         Inkscape::XML::Node *repr;
         switch(type) {
             case SH_NODEPATH:
-                if (SP_IS_LPE_ITEM(item)) {
-                    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-                    this->nodepath = sp_nodepath_new(desktop, item, (prefs->getBool("/tools/nodes/show_handles", true)));
-                }
-                if (this->nodepath) {
-                    this->nodepath->shape_editor = this;
-
-                    // setting new listener
-                    repr = SP_OBJECT_REPR(item);
-                    if (repr != nodepath_listener_attached_for) {
-                        Inkscape::GC::anchor(repr);
-                        sp_repr_add_listener(repr, &shapeeditor_repr_events, this);
-                        nodepath_listener_attached_for = repr;
-                    }
-                }
+                // defunct
                 break;
 
             case SH_KNOTHOLDER:
@@ -286,34 +201,6 @@ void ShapeEditor::set_item(SPItem *item, SubType type, bool keep_knotholder) {
     }
 }
 
-/** Please note that this function only works for path parameters.
-*  All other parameters probably will crash Inkscape!
-*/
-void ShapeEditor::set_item_lpe_path_parameter(SPItem *item, LivePathEffectObject *lpeobject, const char * key)
-{
-    unset_item(SH_NODEPATH);
-
-    this->grab_node = -1;
-
-    if (lpeobject) {
-        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-        this->nodepath = sp_nodepath_new( desktop, lpeobject,
-                                          (prefs->getInt("/tools/nodes/show_handles", true)),
-                                          key, item);
-        if (this->nodepath) {
-            this->nodepath->shape_editor = this;
-
-            // setting new listener
-            Inkscape::XML::Node *repr = SP_OBJECT_REPR(lpeobject);
-            if (repr && repr != nodepath_listener_attached_for) {
-                Inkscape::GC::anchor(repr);
-                sp_repr_add_listener(repr, &shapeeditor_repr_events, this);
-                nodepath_listener_attached_for = repr;
-            }
-        }
-    }
-}
-
 
 /** FIXME: This thing is only called when the item needs to be updated in response to repr change.
    Why not make a reload function in NodePath and in KnotHolder? */
@@ -321,14 +208,7 @@ void ShapeEditor::reset_item (SubType type, bool keep_knotholder)
 {
     switch (type) {
         case SH_NODEPATH:
-            if ( (nodepath) && (IS_LIVEPATHEFFECT(nodepath->object)) ) {
-                char * key = g_strdup(nodepath->repr_key);
-                set_item_lpe_path_parameter(nodepath->item, LIVEPATHEFFECT(nodepath->object), key); // the above checks for nodepath, so it is indeed a path that we are editing
-                g_free(key);
-            } else {
-                SPObject *obj = sp_desktop_document(desktop)->getObjectByRepr(nodepath_listener_attached_for); /// note that it is not certain that this is an SPItem; it could be a LivePathEffectObject.
-                set_item(SP_ITEM(obj), SH_NODEPATH);
-            }
+            // defunct
             break;
         case SH_KNOTHOLDER:
             if ( knotholder ) {
@@ -340,267 +220,23 @@ void ShapeEditor::reset_item (SubType type, bool keep_knotholder)
 }
 
 void ShapeEditor::nodepath_destroyed () {
-    this->nodepath = NULL;
-}
-
-void ShapeEditor::update_statusbar () {
-    if (this->nodepath)
-        sp_nodepath_update_statusbar(this->nodepath);
-}
-
-bool ShapeEditor::is_over_stroke (Geom::Point event_p, bool remember) {
-    if (!this->nodepath)
-        return false; // no stroke in knotholder
-
-    const SPItem *item = get_item(SH_NODEPATH);
-
-    if (!item || !SP_IS_ITEM(item))
-        return false;
-
-    //Translate click point into proper coord system
-    this->curvepoint_doc = desktop->w2d(event_p);
-    this->curvepoint_doc *= sp_item_dt2i_affine(item);
-
-    SPCurve *curve = this->nodepath->curve;   // not sure if np->curve is always up to date...
-    Geom::PathVector const &pathv = curve->get_pathvector();
-    boost::optional<Geom::PathVectorPosition> pvpos = Geom::nearestPoint(pathv, this->curvepoint_doc);
-    if (!pvpos) {
-        g_print("Warning! Possible error?\n");
-        return false;
-    }
-
-    Geom::Point nearest = pathv[pvpos->path_nr].pointAt(pvpos->t);
-    Geom::Point delta = nearest - this->curvepoint_doc;
-
-    delta = desktop->d2w(delta);
-
-    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-    double stroke_tolerance =
-        (( !SP_OBJECT_STYLE(item)->stroke.isNone() ?
-           desktop->current_zoom() *
-           SP_OBJECT_STYLE (item)->stroke_width.computed * 0.5 *
-           to_2geom(sp_item_i2d_affine(item)).descrim()
-         : 0.0)
-         + prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100)) / to_2geom(sp_item_i2d_affine(item)).descrim();
-    bool close = (Geom::L2 (delta) < stroke_tolerance);
-
-    if (remember && close) {
-        // calculate index for nodepath's representation.
-        double int_part;
-        double t = std::modf(pvpos->t, &int_part);
-        unsigned int segment_index = (unsigned int)int_part + 1;
-        for (unsigned int i = 0; i < pvpos->path_nr; ++i) {
-            segment_index += pathv[i].size() + 1;
-            if (pathv[i].closed())
-                segment_index += 1;
-        }
-
-        this->curvepoint_event[Geom::X] = (gint) event_p [Geom::X];
-        this->curvepoint_event[Geom::Y] = (gint) event_p [Geom::Y];
-        this->hit = true;
-        this->grab_t = t;
-        this->grab_node = segment_index;
-    }
-
-    return close;
-}
-
-void ShapeEditor::add_node_near_point() {
-    if (this->nodepath) {
-        sp_nodepath_add_node_near_point(this->nodepath, this->curvepoint_doc);
-    } else if (this->knotholder) {
-        // we do not add nodes in knotholder... yet
-    }
-}
-
-void ShapeEditor::select_segment_near_point(bool toggle) {
-    if (this->nodepath) {
-        sp_nodepath_select_segment_near_point(this->nodepath, this->curvepoint_doc, toggle);
-    }
-    if (this->knotholder) {
-        // we do not select segments in knotholder... yet?
-    }
-}
-
-void ShapeEditor::cancel_hit() {
-    this->hit = false;
-}
-
-bool ShapeEditor::hits_curve() {
-    return (this->hit);
-}
-
-
-void ShapeEditor::curve_drag(gdouble eventx, gdouble eventy) {
-    if (this->nodepath && !this->nodepath->straight_path) {
-
-        if (this->grab_node == -1) // don't know which segment to drag
-            return;
-
-        // We round off the extra precision in the motion coordinates provided
-        // by some input devices (like tablets). As we'll store the coordinates
-        // as integers in curvepoint_event we need to do this rounding before
-        // comparing them with the last coordinates from curvepoint_event.
-        // See bug #1593499 for details.
-
-        gint x = (gint) Inkscape::round(eventx);
-        gint y = (gint) Inkscape::round(eventy);
-
-
-        // The coordinates hasn't changed since the last motion event, abort
-        if (this->curvepoint_event[Geom::X] == x &&
-            this->curvepoint_event[Geom::Y] == y)
-            return;
-
-        Geom::Point const delta_w(eventx - this->curvepoint_event[Geom::X],
-                                  eventy - this->curvepoint_event[Geom::Y]);
-        Geom::Point const delta_dt(this->desktop->w2d(delta_w));
-
-        sp_nodepath_curve_drag (this->nodepath, this->grab_node, this->grab_t, delta_dt);
-        this->curvepoint_event[Geom::X] = x;
-        this->curvepoint_event[Geom::Y] = y;
-
-    }
-    if (this->knotholder) {
-        // we do not drag curve in knotholder
-    }
-
-}
-
-void ShapeEditor::finish_drag() {
-    if (this->nodepath && this->hit) {
-        sp_nodepath_update_repr (this->nodepath, _("Drag curve"));
-    }
-}
-
-void ShapeEditor::select_rect(Geom::Rect const &rect, bool add) {
-    if (this->nodepath) {
-        sp_nodepath_select_rect(this->nodepath, rect, add);
-    }
 }
 
 bool ShapeEditor::has_selection() {
-    if (this->nodepath)
-        return this->nodepath->selected;
     return false; //  so far, knotholder cannot have selection
 }
 
-void ShapeEditor::deselect() {
-    if (this->nodepath)
-        sp_nodepath_deselect(this->nodepath);
-}
-
-void ShapeEditor::add_node () {
-    sp_node_selected_add_node(this->nodepath);
-}
-
-void ShapeEditor::delete_nodes () {
-    sp_node_selected_delete(this->nodepath);
-}
-
-void ShapeEditor::delete_nodes_preserving_shape () {
-    if (this->nodepath && this->nodepath->selected) {
-        sp_node_delete_preserve(g_list_copy(this->nodepath->selected));
-    }
-}
-
-void ShapeEditor::delete_segment () {
-    sp_node_selected_delete_segment(this->nodepath);
-}
-
-void ShapeEditor::set_node_type(int type) {
-    sp_node_selected_set_type(this->nodepath, (Inkscape::NodePath::NodeType) type);
-}
-
-void ShapeEditor::break_at_nodes() {
-    sp_node_selected_break(this->nodepath);
-}
-
-void ShapeEditor::join_nodes() {
-    sp_node_selected_join(this->nodepath);
-}
-
-void ShapeEditor::join_segments() {
-    sp_node_selected_join_segment(this->nodepath);
-}
-
-void ShapeEditor::duplicate_nodes() {
-    sp_node_selected_duplicate(this->nodepath);
-}
-
-void ShapeEditor::set_type_of_segments(NRPathcode code) {
-    sp_node_selected_set_line_type(this->nodepath, code);
-}
-
-void ShapeEditor::move_nodes_screen(SPDesktop *desktop, gdouble dx, gdouble dy) {
-    sp_node_selected_move_screen(desktop, this->nodepath, dx, dy);
-}
-void ShapeEditor::move_nodes(gdouble dx, gdouble dy) {
-    sp_node_selected_move(this->nodepath, dx, dy);
-}
-
-void ShapeEditor::rotate_nodes(gdouble angle, int which, bool screen) {
-    if (this->nodepath)
-        sp_nodepath_selected_nodes_rotate (this->nodepath, angle, which, screen);
-}
-
-void ShapeEditor::scale_nodes(gdouble const grow, int const which) {
-    sp_nodepath_selected_nodes_scale(this->nodepath, grow, which);
-}
-void ShapeEditor::scale_nodes_screen(gdouble const grow, int const which) {
-    sp_nodepath_selected_nodes_scale_screen(this->nodepath, grow, which);
-}
-
-void ShapeEditor::select_all (bool invert) {
-    if (this->nodepath)
-        sp_nodepath_select_all (this->nodepath, invert);
-}
-void ShapeEditor::select_all_from_subpath (bool invert) {
-    if (this->nodepath)
-        sp_nodepath_select_all_from_subpath (this->nodepath, invert);
-}
-void ShapeEditor::select_next () {
-    if (this->nodepath) {
-        sp_nodepath_select_next (this->nodepath);
-        if (this->nodepath->numSelected() >= 1) {
-            this->desktop->scroll_to_point(this->nodepath->singleSelectedCoords(), 1.0);
-        }
-    }
-}
-void ShapeEditor::select_prev () {
-    if (this->nodepath) {
-        sp_nodepath_select_prev (this->nodepath);
-        if (this->nodepath->numSelected() >= 1) {
-            this->desktop->scroll_to_point(this->nodepath->singleSelectedCoords(), 1.0);
-        }
+/**
+ * \brief Returns true if this ShapeEditor has a knot above which the mouse currently hovers
+ */
+bool ShapeEditor::knot_mouseover()
+{
+    if (this->knotholder) {
+        return knotholder->knot_mouseover();
     }
+    return false;
 }
 
-void ShapeEditor::show_handles (bool show) {
-    if (this->nodepath && !this->nodepath->straight_path)
-        sp_nodepath_show_handles (this->nodepath, show);
-}
-
-void ShapeEditor::show_helperpath (bool show) {
-    if (this->nodepath)
-        sp_nodepath_show_helperpath (this->nodepath, show);
-}
-
-void ShapeEditor::flip (Geom::Dim2 axis, boost::optional<Geom::Point> center) {
-    if (this->nodepath)
-        sp_nodepath_flip (this->nodepath, axis, center);
-}
-
-void ShapeEditor::distribute (Geom::Dim2 axis) {
-    if (this->nodepath)
-        sp_nodepath_selected_distribute (this->nodepath, axis);
-}
-void ShapeEditor::align (Geom::Dim2 axis) {
-    if (this->nodepath)
-        sp_nodepath_selected_align (this->nodepath, axis);
-}
-
-
 /*
   Local Variables:
   mode:c++