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Diffstat (limited to 'editor/plugins/path_2d_editor_plugin.cpp')
| -rw-r--r-- | editor/plugins/path_2d_editor_plugin.cpp | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/editor/plugins/path_2d_editor_plugin.cpp b/editor/plugins/path_2d_editor_plugin.cpp new file mode 100644 index 000000000..00b026e25 --- /dev/null +++ b/editor/plugins/path_2d_editor_plugin.cpp @@ -0,0 +1,718 @@ +/*************************************************************************/ +/* path_2d_editor_plugin.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ +#include "path_2d_editor_plugin.h" + +#include "canvas_item_editor_plugin.h" +#include "os/file_access.h" +#include "editor/editor_settings.h" +#include "os/keyboard.h" +void Path2DEditor::_notification(int p_what) { + + switch(p_what) { + + case NOTIFICATION_READY: { + + //button_create->set_icon( get_icon("Edit","EditorIcons")); + //button_edit->set_icon( get_icon("MovePoint","EditorIcons")); + //set_pressed_button(button_edit); + //button_edit->set_pressed(true); + + + } break; + case NOTIFICATION_FIXED_PROCESS: { + + + } break; + } + +} +void Path2DEditor::_node_removed(Node *p_node) { + + if(p_node==node) { + node=NULL; + hide(); + } + +} + + +bool Path2DEditor::forward_gui_input(const InputEvent& p_event) { + + if (!node) + return false; + + if (!node->is_visible_in_tree()) + return false; + + if (!node->get_curve().is_valid()) + return false; + + switch(p_event.type) { + + case InputEvent::MOUSE_BUTTON: { + + const InputEventMouseButton &mb=p_event.mouse_button; + + Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform(); + + Vector2 gpoint = Point2(mb.x,mb.y); + Vector2 cpoint = !mb.mod.alt? canvas_item_editor->snap_point(xform.affine_inverse().xform(gpoint)) + : node->get_global_transform().affine_inverse().xform( canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint)) ); + + //first check if a point is to be added (segment split) + real_t grab_treshold=EDITOR_DEF("editors/poly_editor/point_grab_radius",8); + + + + // Test move point!! + + if ( mb.pressed && action==ACTION_NONE ) { + + Ref<Curve2D> curve = node->get_curve(); + + for(int i=0;i<curve->get_point_count();i++) { + + bool pointunder=false; + + { + Point2 p = xform.xform( curve->get_point_pos(i) ); + if (gpoint.distance_to(p) < grab_treshold ) { + + if (mb.button_index==BUTTON_LEFT && !mb.mod.shift && mode==MODE_EDIT) { + + action=ACTION_MOVING_POINT; + action_point=i; + moving_from=curve->get_point_pos(i); + moving_screen_from=gpoint; + return true; + } else if ((mb.button_index==BUTTON_RIGHT && mode==MODE_EDIT) || (mb.button_index==BUTTON_LEFT && mode==MODE_DELETE)) { + + undo_redo->create_action(TTR("Remove Point from Curve")); + undo_redo->add_do_method(curve.ptr(),"remove_point",i); + undo_redo->add_undo_method(curve.ptr(),"add_point",curve->get_point_pos(i),curve->get_point_in(i),curve->get_point_out(i),i); + undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->commit_action(); + return true; + } else + pointunder=true; + } + } + + if (mb.button_index==BUTTON_LEFT && i<(curve->get_point_count()-1)) { + Point2 p = xform.xform( curve->get_point_pos(i)+curve->get_point_out(i) ); + if (gpoint.distance_to(p) < grab_treshold && (mode == MODE_EDIT || mode==MODE_EDIT_CURVE) ) { + + action=ACTION_MOVING_OUT; + action_point=i; + moving_from=curve->get_point_out(i); + moving_screen_from=gpoint; + return true; + } + } + + if (mb.button_index==BUTTON_LEFT && i>0) { + Point2 p = xform.xform( curve->get_point_pos(i)+curve->get_point_in(i) ); + if (gpoint.distance_to(p) < grab_treshold && (mode == MODE_EDIT || mode==MODE_EDIT_CURVE)) { + + action=ACTION_MOVING_IN; + action_point=i; + moving_from=curve->get_point_in(i); + moving_screen_from=gpoint; + return true; + } + } + + if (pointunder) + return true; + + } + + } + + // Test add point in empty space! + + if ( mb.pressed && mb.button_index==BUTTON_LEFT && ((mb.mod.command && mode == MODE_EDIT) || mode == MODE_CREATE)) { + + Ref<Curve2D> curve = node->get_curve(); + + undo_redo->create_action(TTR("Add Point to Curve")); + undo_redo->add_do_method(curve.ptr(),"add_point",cpoint); + undo_redo->add_undo_method(curve.ptr(),"remove_point",curve->get_point_count()); + undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->commit_action(); + + action=ACTION_MOVING_POINT; + action_point=curve->get_point_count()-1; + moving_from=curve->get_point_pos(action_point); + moving_screen_from=gpoint; + + canvas_item_editor->get_viewport_control()->update(); + + return true; + } + + if ( !mb.pressed && mb.button_index==BUTTON_LEFT && action!=ACTION_NONE) { + + + Ref<Curve2D> curve = node->get_curve(); + + Vector2 new_pos = moving_from + xform.affine_inverse().basis_xform(gpoint - moving_screen_from); + switch(action) { + + case ACTION_MOVING_POINT: { + + + undo_redo->create_action(TTR("Move Point in Curve")); + undo_redo->add_do_method(curve.ptr(),"set_point_pos",action_point,cpoint); + undo_redo->add_undo_method(curve.ptr(),"set_point_pos",action_point,moving_from); + undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->commit_action(); + + } break; + case ACTION_MOVING_IN: { + + undo_redo->create_action(TTR("Move In-Control in Curve")); + undo_redo->add_do_method(curve.ptr(),"set_point_in",action_point,new_pos); + undo_redo->add_undo_method(curve.ptr(),"set_point_in",action_point,moving_from); + undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->commit_action(); + + } break; + case ACTION_MOVING_OUT: { + + undo_redo->create_action(TTR("Move Out-Control in Curve")); + undo_redo->add_do_method(curve.ptr(),"set_point_out",action_point,new_pos); + undo_redo->add_undo_method(curve.ptr(),"set_point_out",action_point,moving_from); + undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->commit_action(); + + } break; + + } + + action=ACTION_NONE; + + return true; + } + + +#if 0 + switch(mode) { + + + case MODE_CREATE: { + + if (mb.button_index==BUTTON_LEFT && mb.pressed) { + + + if (!wip_active) { + + wip.clear(); + wip.push_back( canvas_item_editor->snap_point(cpoint) ); + wip_active=true; + edited_point_pos=canvas_item_editor->snap_point(cpoint); + canvas_item_editor->update(); + edited_point=1; + return true; + } else { + + if (wip.size()>1 && xform.xform(wip[0]).distance_to(gpoint)<grab_treshold) { + //wip closed + _wip_close(); + + return true; + } else { + + wip.push_back( canvas_item_editor->snap_point(cpoint) ); + edited_point=wip.size(); + canvas_item_editor->update(); + return true; + + //add wip point + } + } + } else if (mb.button_index==BUTTON_RIGHT && mb.pressed && wip_active) { + _wip_close(); + } + + + + } break; + + case MODE_EDIT: { + + if (mb.button_index==BUTTON_LEFT) { + if (mb.pressed) { + + if (mb.mod.control) { + + + if (poly.size() < 3) { + + undo_redo->create_action(TTR("Edit Poly")); + undo_redo->add_undo_method(node,"set_polygon",poly); + poly.push_back(cpoint); + undo_redo->add_do_method(node,"set_polygon",poly); + undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->commit_action(); + return true; + } + + //search edges + int closest_idx=-1; + Vector2 closest_pos; + real_t closest_dist=1e10; + for(int i=0;i<poly.size();i++) { + + Vector2 points[2] ={ xform.xform(poly[i]), + xform.xform(poly[(i+1)%poly.size()]) }; + + Vector2 cp = Geometry::get_closest_point_to_segment_2d(gpoint,points); + if (cp.distance_squared_to(points[0])<CMP_EPSILON2 || cp.distance_squared_to(points[1])<CMP_EPSILON2) + continue; //not valid to reuse point + + real_t d = cp.distance_to(gpoint); + if (d<closest_dist && d<grab_treshold) { + closest_dist=d; + closest_pos=cp; + closest_idx=i; + } + + + } + + if (closest_idx>=0) { + + pre_move_edit=poly; + poly.insert(closest_idx+1,canvas_item_editor->snap_point(xform.affine_inverse().xform(closest_pos))); + edited_point=closest_idx+1; + edited_point_pos=canvas_item_editor->snap_point(xform.affine_inverse().xform(closest_pos)); + node->set_polygon(poly); + canvas_item_editor->update(); + return true; + } + } else { + + //look for points to move + + int closest_idx=-1; + Vector2 closest_pos; + real_t closest_dist=1e10; + for(int i=0;i<poly.size();i++) { + + Vector2 cp =xform.xform(poly[i]); + + real_t d = cp.distance_to(gpoint); + if (d<closest_dist && d<grab_treshold) { + closest_dist=d; + closest_pos=cp; + closest_idx=i; + } + + } + + if (closest_idx>=0) { + + pre_move_edit=poly; + edited_point=closest_idx; + edited_point_pos=xform.affine_inverse().xform(closest_pos); + canvas_item_editor->update(); + return true; + } + } + } else { + + if (edited_point!=-1) { + + //apply + + ERR_FAIL_INDEX_V(edited_point,poly.size(),false); + poly[edited_point]=edited_point_pos; + undo_redo->create_action(TTR("Edit Poly")); + undo_redo->add_do_method(node,"set_polygon",poly); + undo_redo->add_undo_method(node,"set_polygon",pre_move_edit); + undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->commit_action(); + + edited_point=-1; + return true; + } + } + } if (mb.button_index==BUTTON_RIGHT && mb.pressed && edited_point==-1) { + + + + int closest_idx=-1; + Vector2 closest_pos; + real_t closest_dist=1e10; + for(int i=0;i<poly.size();i++) { + + Vector2 cp =xform.xform(poly[i]); + + real_t d = cp.distance_to(gpoint); + if (d<closest_dist && d<grab_treshold) { + closest_dist=d; + closest_pos=cp; + closest_idx=i; + } + + } + + if (closest_idx>=0) { + + + undo_redo->create_action(TTR("Edit Poly (Remove Point)")); + undo_redo->add_undo_method(node,"set_polygon",poly); + poly.remove(closest_idx); + undo_redo->add_do_method(node,"set_polygon",poly); + undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->commit_action(); + return true; + } + + } + + + + } break; + } + + +#endif + } break; + case InputEvent::MOUSE_MOTION: { + + const InputEventMouseMotion &mm=p_event.mouse_motion; + + + if ( action!=ACTION_NONE) { + + Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform(); + Vector2 gpoint = Point2(mm.x,mm.y); + Vector2 cpoint = !mm.mod.alt? canvas_item_editor->snap_point(xform.affine_inverse().xform(gpoint)) + : node->get_global_transform().affine_inverse().xform( canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint)) ); + + Ref<Curve2D> curve = node->get_curve(); + + Vector2 new_pos = moving_from + xform.affine_inverse().basis_xform(gpoint - moving_screen_from); + + switch(action) { + + case ACTION_MOVING_POINT: { + + curve->set_point_pos(action_point,cpoint); + } break; + case ACTION_MOVING_IN: { + + curve->set_point_in(action_point,new_pos); + + } break; + case ACTION_MOVING_OUT: { + + curve->set_point_out(action_point,new_pos); + + } break; + } + + + canvas_item_editor->get_viewport_control()->update(); + return true; + } + +#if 0 + if (edited_point!=-1 && (wip_active || mm.button_mask&BUTTON_MASK_LEFT)) { + + + Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform(); + + Vector2 gpoint = Point2(mm.x,mm.y); + edited_point_pos = canvas_item_editor->snap_point(xform.affine_inverse().xform(gpoint)); + canvas_item_editor->update(); + + } +#endif + } break; + } + + return false; +} +void Path2DEditor::_canvas_draw() { + + if (!node) + return ; + + if (!node->is_visible_in_tree()) + return; + + if (!node->get_curve().is_valid()) + return ; + + Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform(); + Ref<Texture> handle= get_icon("EditorHandle","EditorIcons"); + Size2 handle_size = handle->get_size(); + + Ref<Curve2D> curve = node->get_curve(); + + int len = curve->get_point_count(); + Control *vpc = canvas_item_editor->get_viewport_control(); + + + for(int i=0;i<len;i++) { + + + Vector2 point = xform.xform(curve->get_point_pos(i)); + vpc->draw_texture_rect(handle,Rect2(point-handle_size*0.5,handle_size),false,Color(1,1,1,1)); + + if (i<len-1) { + Vector2 pointout = xform.xform(curve->get_point_pos(i)+curve->get_point_out(i)); + vpc->draw_line(point,pointout,Color(0.5,0.5,1.0,0.8),1.0); + vpc->draw_texture_rect(handle, Rect2(pointout-handle_size*0.5,handle_size),false,Color(1,0.5,1,0.3)); + } + + if (i>0) { + Vector2 pointin = xform.xform(curve->get_point_pos(i)+curve->get_point_in(i)); + vpc->draw_line(point,pointin,Color(0.5,0.5,1.0,0.8),1.0); + vpc->draw_texture_rect(handle, Rect2(pointin-handle_size*0.5,handle_size),false,Color(1,0.5,1,0.3)); + } + + } + +} + +void Path2DEditor::_node_visibility_changed() { + if (!node) + return; + + canvas_item_editor->get_viewport_control()->update(); +} + +void Path2DEditor::edit(Node *p_path2d) { + + if (!canvas_item_editor) { + canvas_item_editor=CanvasItemEditor::get_singleton(); + } + + if (p_path2d) { + + node=p_path2d->cast_to<Path2D>(); + if (!canvas_item_editor->get_viewport_control()->is_connected("draw",this,"_canvas_draw")) + canvas_item_editor->get_viewport_control()->connect("draw",this,"_canvas_draw"); + if (!node->is_connected("visibility_changed", this, "_node_visibility_changed")) + node->connect("visibility_changed", this, "_node_visibility_changed"); + + + } else { + + if (canvas_item_editor->get_viewport_control()->is_connected("draw",this,"_canvas_draw")) + canvas_item_editor->get_viewport_control()->disconnect("draw",this,"_canvas_draw"); + + // node may have been deleted at this point + if (node && node->is_connected("visibility_changed", this, "_node_visibility_changed")) + node->disconnect("visibility_changed", this, "_node_visibility_changed"); + node=NULL; + } + +} + +void Path2DEditor::_bind_methods() { + + //ClassDB::bind_method(D_METHOD("_menu_option"),&Path2DEditor::_menu_option); + ClassDB::bind_method(D_METHOD("_canvas_draw"),&Path2DEditor::_canvas_draw); + ClassDB::bind_method(D_METHOD("_node_visibility_changed"),&Path2DEditor::_node_visibility_changed); + ClassDB::bind_method(D_METHOD("_mode_selected"),&Path2DEditor::_mode_selected); +} + +void Path2DEditor::_mode_selected(int p_mode) { + + if (p_mode==MODE_CREATE) { + + curve_create->set_pressed(true); + curve_edit->set_pressed(false); + curve_edit_curve->set_pressed(false); + curve_del->set_pressed(false); + } else if (p_mode==MODE_EDIT) { + + curve_create->set_pressed(false); + curve_edit->set_pressed(true); + curve_edit_curve->set_pressed(false); + curve_del->set_pressed(false); + } else if (p_mode==MODE_EDIT_CURVE) { + + curve_create->set_pressed(false); + curve_edit->set_pressed(false); + curve_edit_curve->set_pressed(true); + curve_del->set_pressed(false); + } else if (p_mode==MODE_DELETE) { + + curve_create->set_pressed(false); + curve_edit->set_pressed(false); + curve_edit_curve->set_pressed(false); + curve_del->set_pressed(true); + } else if (p_mode==ACTION_CLOSE) { + + //? + + if (!node->get_curve().is_valid()) + return ; + if (node->get_curve()->get_point_count()<3) + return; + + Vector2 begin = node->get_curve()->get_point_pos(0); + Vector2 end = node->get_curve()->get_point_pos( node->get_curve()->get_point_count() -1 ); + if (begin.distance_to(end)<CMP_EPSILON) + return; + + undo_redo->create_action(TTR("Remove Point from Curve")); + undo_redo->add_do_method(node->get_curve().ptr(),"add_point",begin); + undo_redo->add_undo_method(node->get_curve().ptr(),"remove_point",node->get_curve()->get_point_count()); + undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update"); + undo_redo->commit_action(); + return; + } + + mode=Mode(p_mode); + +} + +Path2DEditor::Path2DEditor(EditorNode *p_editor) { + + canvas_item_editor=NULL; + editor=p_editor; + undo_redo = editor->get_undo_redo(); + + mode=MODE_EDIT; + + action=ACTION_NONE; +#if 0 + options = memnew( MenuButton ); + add_child(options); + options->set_area_as_parent_rect(); + options->set_text("Polygon"); + //options->get_popup()->add_item("Parse BBCode",PARSE_BBCODE); + options->get_popup()->connect("id_pressed", this,"_menu_option"); +#endif + + base_hb = memnew( HBoxContainer ); + CanvasItemEditor::get_singleton()->add_control_to_menu_panel(base_hb); + + sep = memnew( VSeparator); + base_hb->add_child(sep); + curve_edit = memnew( ToolButton ); + curve_edit->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveEdit","EditorIcons")); + curve_edit->set_toggle_mode(true); + curve_edit->set_focus_mode(Control::FOCUS_NONE); + curve_edit->set_tooltip(TTR("Select Points")+"\n"+TTR("Shift+Drag: Select Control Points")+"\n"+keycode_get_string(KEY_MASK_CMD)+TTR("Click: Add Point")+"\n"+TTR("Right Click: Delete Point")); + curve_edit->connect("pressed",this,"_mode_selected",varray(MODE_EDIT)); + base_hb->add_child(curve_edit); + curve_edit_curve = memnew( ToolButton ); + curve_edit_curve->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveCurve","EditorIcons")); + curve_edit_curve->set_toggle_mode(true); + curve_edit_curve->set_focus_mode(Control::FOCUS_NONE); + curve_edit_curve->set_tooltip(TTR("Select Control Points (Shift+Drag)")); + curve_edit_curve->connect("pressed",this,"_mode_selected",varray(MODE_EDIT_CURVE)); + base_hb->add_child(curve_edit_curve); + curve_create = memnew( ToolButton ); + curve_create->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveCreate","EditorIcons")); + curve_create->set_toggle_mode(true); + curve_create->set_focus_mode(Control::FOCUS_NONE); + curve_create->set_tooltip(TTR("Add Point (in empty space)")+"\n"+TTR("Split Segment (in curve)")); + curve_create->connect("pressed",this,"_mode_selected",varray(MODE_CREATE)); + base_hb->add_child(curve_create); + curve_del = memnew( ToolButton ); + curve_del->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveDelete","EditorIcons")); + curve_del->set_toggle_mode(true); + curve_del->set_focus_mode(Control::FOCUS_NONE); + curve_del->set_tooltip(TTR("Delete Point")); + curve_del->connect("pressed",this,"_mode_selected",varray(MODE_DELETE)); + base_hb->add_child(curve_del); + curve_close = memnew( ToolButton ); + curve_close->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveClose","EditorIcons")); + curve_close->set_focus_mode(Control::FOCUS_NONE); + curve_close->set_tooltip(TTR("Close Curve")); + curve_close->connect("pressed",this,"_mode_selected",varray(ACTION_CLOSE)); + base_hb->add_child(curve_close); + base_hb->hide(); + + + + curve_edit->set_pressed(true); + + +} + + +void Path2DEditorPlugin::edit(Object *p_object) { + + path2d_editor->edit(p_object->cast_to<Node>()); +} + +bool Path2DEditorPlugin::handles(Object *p_object) const { + + return p_object->is_class("Path2D"); +} + +void Path2DEditorPlugin::make_visible(bool p_visible) { + + if (p_visible) { + path2d_editor->show(); + path2d_editor->base_hb->show(); + + } else { + + path2d_editor->hide(); + path2d_editor->base_hb->hide(); + path2d_editor->edit(NULL); + } + +} + +Path2DEditorPlugin::Path2DEditorPlugin(EditorNode *p_node) { + + editor=p_node; + path2d_editor = memnew( Path2DEditor(p_node) ); + CanvasItemEditor::get_singleton()->add_control_to_menu_panel(path2d_editor); + path2d_editor->hide(); + + +} + + +Path2DEditorPlugin::~Path2DEditorPlugin() +{ +} + |