text: /*************************************************************************/
  /*  property_editor.cpp                                                  */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
  /*                                                                       */
  /* 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 "property_editor.h"
  
  #include "core/class_db.h"
  #include "core/io/image_loader.h"
  #include "core/io/marshalls.h"
  #include "core/io/resource_loader.h"
  #include "core/math/expression.h"
  #include "core/os/input.h"
  #include "core/os/keyboard.h"
  #include "core/pair.h"
  #include "core/print_string.h"
  #include "core/project_settings.h"
  #include "editor/array_property_edit.h"
  #include "editor/create_dialog.h"
  #include "editor/dictionary_property_edit.h"
  #include "editor/editor_export.h"
  #include "editor/editor_file_system.h"
  #include "editor/editor_help.h"
  #include "editor/editor_node.h"
  #include "editor/editor_settings.h"
  #include "editor/multi_node_edit.h"
  #include "editor/property_selector.h"
  #include "scene/gui/label.h"
  #include "scene/main/viewport.h"
  #include "scene/resources/font.h"
  #include "scene/resources/packed_scene.h"
  #include "scene/scene_string_names.h"
  
  void EditorResourceConversionPlugin::_bind_methods() {
  
  	MethodInfo mi;
  	mi.name = "_convert";
  	mi.return_val.type = Variant::OBJECT;
  	mi.return_val.class_name = "Resource";
  	mi.return_val.hint = PROPERTY_HINT_RESOURCE_TYPE;
  	mi.return_val.hint_string = "Resource";
  	mi.arguments.push_back(mi.return_val);
  	mi.arguments[0].name = "resource";
  
  	BIND_VMETHOD(mi)
  
  	mi.name = "_handles";
  	mi.return_val = PropertyInfo(Variant::BOOL, "");
  
  	BIND_VMETHOD(MethodInfo(Variant::STRING, "_converts_to"));
  }
  
  String EditorResourceConversionPlugin::converts_to() const {
  
  	if (get_script_instance())
  		return get_script_instance()->call("_converts_to");
  
  	return "";
  }
  
  bool EditorResourceConversionPlugin::handles(const Ref<Resource> &p_resource) const {
  
  	if (get_script_instance())
  		return get_script_instance()->call("_handles", p_resource);
  
  	return false;
  }
  
  Ref<Resource> EditorResourceConversionPlugin::convert(const Ref<Resource> &p_resource) const {
  
  	if (get_script_instance())
  		return get_script_instance()->call("_convert", p_resource);
  
  	return Ref<Resource>();
  }
  
  void CustomPropertyEditor::_notification(int p_what) {
  
  	if (p_what == NOTIFICATION_DRAW) {
  
  		RID ci = get_canvas_item();
  		get_stylebox("panel", "PopupMenu")->draw(ci, Rect2(Point2(), get_size()));
  	}
  	if (p_what == MainLoop::NOTIFICATION_WM_QUIT_REQUEST) {
  		hide();
  	}
  }
  
  void CustomPropertyEditor::_menu_option(int p_which) {
  
  	switch (type) {
  
  		case Variant::INT: {
  
  			if (hint == PROPERTY_HINT_FLAGS) {
  
  				int val = v;
  
  				if (val & (1 << p_which)) {
  
  					val &= ~(1 << p_which);
  				} else {
  					val |= (1 << p_which);
  				}
  
  				v = val;
  				emit_signal("variant_changed");
  			} else if (hint == PROPERTY_HINT_ENUM) {
  
  				v = menu->get_item_metadata(p_which);
  				emit_signal("variant_changed");
  			}
  		} break;
  		case Variant::STRING: {
  
  			if (hint == PROPERTY_HINT_ENUM) {
  
  				v = hint_text.get_slice(",", p_which);
  				emit_signal("variant_changed");
  			}
  		} break;
  		case Variant::OBJECT: {
  
  			switch (p_which) {
  				case OBJ_MENU_LOAD: {
  
  					file->set_mode(EditorFileDialog::MODE_OPEN_FILE);
  					String type = (hint == PROPERTY_HINT_RESOURCE_TYPE) ? hint_text : String();
  
  					List<String> extensions;
  					for (int i = 0; i < type.get_slice_count(","); i++) {
  
  						ResourceLoader::get_recognized_extensions_for_type(type.get_slice(",", i), &extensions);
  					}
  
  					Set<String> valid_extensions;
  					for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
  						valid_extensions.insert(E->get());
  					}
  
  					file->clear_filters();
  					for (Set<String>::Element *E = valid_extensions.front(); E; E = E->next()) {
  
  						file->add_filter("*." + E->get() + " ; " + E->get().to_upper());
  					}
  
  					file->popup_centered_ratio();
  				} break;
  
  				case OBJ_MENU_EDIT: {
  
  					RefPtr RefPtr = v;
  
  					if (!RefPtr.is_null()) {
  
  						emit_signal("resource_edit_request");
  						hide();
  					}
  				} break;
  				case OBJ_MENU_CLEAR: {
  
  					v = Variant();
  					emit_signal("variant_changed");
  					hide();
  				} break;
  
  				case OBJ_MENU_MAKE_UNIQUE: {
  
  					RefPtr RefPtr = v;
  					Ref<Resource> res_orig = RefPtr;
  					if (res_orig.is_null())
  						return;
  
  					List<PropertyInfo> property_list;
  					res_orig->get_property_list(&property_list);
  					List<Pair<String, Variant> > propvalues;
  
  					for (List<PropertyInfo>::Element *E = property_list.front(); E; E = E->next()) {
  
  						Pair<String, Variant> p;
  						PropertyInfo &pi = E->get();
  						if (pi.usage & PROPERTY_USAGE_STORAGE) {
  
  							p.first = pi.name;
  							p.second = res_orig->get(pi.name);
  						}
  
  						propvalues.push_back(p);
  					}
  
  					String orig_type = res_orig->get_class();
  
  					Object *inst = ClassDB::instance(orig_type);
  
  					Ref<Resource> res = Ref<Resource>(Object::cast_to<Resource>(inst));
  
  					ERR_FAIL_COND(res.is_null());
  
  					for (List<Pair<String, Variant> >::Element *E = propvalues.front(); E; E = E->next()) {
  
  						Pair<String, Variant> &p = E->get();
  						res->set(p.first, p.second);
  					}
  
  					v = res.get_ref_ptr();
  					emit_signal("variant_changed");
  					hide();
  				} break;
  
  				case OBJ_MENU_COPY: {
  
  					EditorSettings::get_singleton()->set_resource_clipboard(v);
  
  				} break;
  				case OBJ_MENU_PASTE: {
  
  					v = EditorSettings::get_singleton()->get_resource_clipboard();
  					emit_signal("variant_changed");
  
  				} break;
  				case OBJ_MENU_NEW_SCRIPT: {
  
  					if (Object::cast_to<Node>(owner))
  						EditorNode::get_singleton()->get_scene_tree_dock()->open_script_dialog(Object::cast_to<Node>(owner));
  
  				} break;
  				case OBJ_MENU_SHOW_IN_FILE_SYSTEM: {
  					RES r = v;
  					FileSystemDock *file_system_dock = EditorNode::get_singleton()->get_filesystem_dock();
  					file_system_dock->navigate_to_path(r->get_path());
  					// Ensure that the FileSystem dock is visible.
  					TabContainer *tab_container = (TabContainer *)file_system_dock->get_parent_control();
  					tab_container->set_current_tab(file_system_dock->get_position_in_parent());
  				} break;
  				default: {
  
  					if (p_which >= CONVERT_BASE_ID) {
  
  						int to_type = p_which - CONVERT_BASE_ID;
  
  						Vector<Ref<EditorResourceConversionPlugin> > conversions = EditorNode::get_singleton()->find_resource_conversion_plugin(RES(v));
  
  						ERR_FAIL_INDEX(to_type, conversions.size());
  
  						Ref<Resource> new_res = conversions[to_type]->convert(v);
  
  						v = new_res;
  						emit_signal("variant_changed");
  						break;
  					}
  					ERR_FAIL_COND(inheritors_array.empty());
  
  					String intype = inheritors_array[p_which - TYPE_BASE_ID];
  
  					if (intype == "ViewportTexture") {
  
  						scene_tree->set_title(TTR("Pick a Viewport"));
  						scene_tree->popup_centered_ratio();
  						picking_viewport = true;
  						return;
  					}
  
  					Object *obj = ClassDB::instance(intype);
  
  					if (!obj) {
  						if (ScriptServer::is_global_class(intype)) {
  							obj = EditorNode::get_editor_data().script_class_instance(intype);
  						} else {
  							obj = EditorNode::get_editor_data().instance_custom_type(intype, "Resource");
  						}
  					}
  
  					ERR_BREAK(!obj);
  					Resource *res = Object::cast_to<Resource>(obj);
  					ERR_BREAK(!res);
  					if (owner && hint == PROPERTY_HINT_RESOURCE_TYPE && hint_text == "Script") {
  						//make visual script the right type
  						res->call("set_instance_base_type", owner->get_class());
  					}
  
  					v = Ref<Resource>(res).get_ref_ptr();
  					emit_signal("variant_changed");
  
  				} break;
  			}
  
  		} break;
  		default: {
  		}
  	}
  }
  
  void CustomPropertyEditor::hide_menu() {
  	menu->hide();
  }
  
  Variant CustomPropertyEditor::get_variant() const {
  
  	return v;
  }
  
  String CustomPropertyEditor::get_name() const {
  
  	return name;
  }
  
  bool CustomPropertyEditor::edit(Object *p_owner, const String &p_name, Variant::Type p_type, const Variant &p_variant, int p_hint, String p_hint_text) {
  
  	owner = p_owner;
  	updating = true;
  	name = p_name;
  	v = p_variant;
  	field_names.clear();
  	hint = p_hint;
  	hint_text = p_hint_text;
  	type_button->hide();
  	if (color_picker)
  		color_picker->hide();
  	texture_preview->hide();
  	inheritors_array.clear();
  	text_edit->hide();
  	easing_draw->hide();
  	spinbox->hide();
  	slider->hide();
  	menu->clear();
  	menu->set_size(Size2(1, 1) * EDSCALE);
  
  	for (int i = 0; i < MAX_VALUE_EDITORS; i++) {
  
  		value_editor[i]->hide();
  		value_label[i]->hide();
  		if (i < 4)
  			scroll[i]->hide();
  	}
  
  	for (int i = 0; i < MAX_ACTION_BUTTONS; i++) {
  
  		action_buttons[i]->hide();
  	}
  
  	checks20gc->hide();
  	for (int i = 0; i < 20; i++)
  		checks20[i]->hide();
  
  	type = (p_variant.get_type() != Variant::NIL && p_variant.get_type() != Variant::_RID && p_type != Variant::OBJECT) ? p_variant.get_type() : p_type;
  
  	switch (type) {
  
  		case Variant::BOOL: {
  
  			checks20gc->show();
  
  			CheckBox *c = checks20[0];
  			c->set_text("True");
  			checks20gc->set_position(Vector2(4, 4) * EDSCALE);
  			c->set_pressed(v);
  			c->show();
  
  			checks20gc->set_size(checks20gc->get_minimum_size());
  			set_size(checks20gc->get_position() + checks20gc->get_size() + c->get_size() + Vector2(4, 4) * EDSCALE);
  
  		} break;
  		case Variant::INT:
  		case Variant::REAL: {
  
  			if (hint == PROPERTY_HINT_RANGE) {
  
  				int c = hint_text.get_slice_count(",");
  				float min = 0, max = 100, step = type == Variant::REAL ? .01 : 1;
  				if (c >= 1) {
  
  					if (!hint_text.get_slice(",", 0).empty())
  						min = hint_text.get_slice(",", 0).to_double();
  				}
  				if (c >= 2) {
  
  					if (!hint_text.get_slice(",", 1).empty())
  						max = hint_text.get_slice(",", 1).to_double();
  				}
  
  				if (c >= 3) {
  
  					if (!hint_text.get_slice(",", 2).empty())
  						step = hint_text.get_slice(",", 2).to_double();
  				}
  
  				if (c >= 4 && hint_text.get_slice(",", 3) == "slider") {
  					slider->set_min(min);
  					slider->set_max(max);
  					slider->set_step(step);
  					slider->set_value(v);
  					slider->show();
  					set_size(Size2(110, 30) * EDSCALE);
  				} else {
  					spinbox->set_min(min);
  					spinbox->set_max(max);
  					spinbox->set_step(step);
  					spinbox->set_value(v);
  					spinbox->show();
  					set_size(Size2(70, 35) * EDSCALE);
  				}
  
  			} else if (hint == PROPERTY_HINT_ENUM) {
  
  				Vector<String> options = hint_text.split(",");
  				int current_val = 0;
  				for (int i = 0; i < options.size(); i++) {
  					Vector<String> text_split = options[i].split(":");
  					if (text_split.size() != 1)
  						current_val = text_split[1].to_int();
  					menu->add_item(text_split[0]);
  					menu->set_item_metadata(i, current_val);
  					current_val += 1;
  				}
  				menu->set_position(get_position());
  				menu->popup();
  				hide();
  				updating = false;
  				return false;
  
  			} else if (hint == PROPERTY_HINT_LAYERS_2D_PHYSICS || hint == PROPERTY_HINT_LAYERS_2D_RENDER || hint == PROPERTY_HINT_LAYERS_3D_PHYSICS || hint == PROPERTY_HINT_LAYERS_3D_RENDER) {
  
  				String basename;
  				switch (hint) {
  					case PROPERTY_HINT_LAYERS_2D_RENDER:
  						basename = "layer_names/2d_render";
  						break;
  					case PROPERTY_HINT_LAYERS_2D_PHYSICS:
  						basename = "layer_names/2d_physics";
  						break;
  					case PROPERTY_HINT_LAYERS_3D_RENDER:
  						basename = "layer_names/3d_render";
  						break;
  					case PROPERTY_HINT_LAYERS_3D_PHYSICS:
  						basename = "layer_names/3d_physics";
  						break;
  				}
  
  				checks20gc->show();
  				uint32_t flgs = v;
  				for (int i = 0; i < 2; i++) {
  
  					Point2 ofs(4, 4);
  					ofs.y += 22 * i;
  					for (int j = 0; j < 10; j++) {
  
  						int idx = i * 10 + j;
  						CheckBox *c = checks20[idx];
  						c->set_text(ProjectSettings::get_singleton()->get(basename + "/layer_" + itos(idx + 1)));
  						c->set_pressed(flgs & (1 << (i * 10 + j)));
  						c->show();
  					}
  				}
  
  				show();
  
  				checks20gc->set_position(Vector2(4, 4) * EDSCALE);
  				checks20gc->set_size(checks20gc->get_minimum_size());
  
  				set_size(Vector2(4, 4) * EDSCALE + checks20gc->get_position() + checks20gc->get_size());
  
  			} else if (hint == PROPERTY_HINT_EXP_EASING) {
  
  				easing_draw->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_BEGIN, 5 * EDSCALE);
  				easing_draw->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, -5 * EDSCALE);
  				easing_draw->set_anchor_and_margin(MARGIN_TOP, ANCHOR_BEGIN, 5 * EDSCALE);
  				easing_draw->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, -30 * EDSCALE);
  				type_button->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_BEGIN, 3 * EDSCALE);
  				type_button->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, -3 * EDSCALE);
  				type_button->set_anchor_and_margin(MARGIN_TOP, ANCHOR_END, -25 * EDSCALE);
  				type_button->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, -7 * EDSCALE);
  				type_button->set_text(TTR("Preset..."));
  				type_button->get_popup()->clear();
  				type_button->get_popup()->add_item(TTR("Linear"), EASING_LINEAR);
  				type_button->get_popup()->add_item(TTR("Ease In"), EASING_EASE_IN);
  				type_button->get_popup()->add_item(TTR("Ease Out"), EASING_EASE_OUT);
  				if (hint_text != "attenuation") {
  					type_button->get_popup()->add_item(TTR("Zero"), EASING_ZERO);
  					type_button->get_popup()->add_item(TTR("Easing In-Out"), EASING_IN_OUT);
  					type_button->get_popup()->add_item(TTR("Easing Out-In"), EASING_OUT_IN);
  				}
  
  				type_button->show();
  				easing_draw->show();
  				set_size(Size2(200, 150) * EDSCALE);
  			} else if (hint == PROPERTY_HINT_FLAGS) {
  				Vector<String> flags = hint_text.split(",");
  				for (int i = 0; i < flags.size(); i++) {
  					String flag = flags[i];
  					if (flag == "")
  						continue;
  					menu->add_check_item(flag, i);
  					int f = v;
  					if (f & (1 << i))
  						menu->set_item_checked(menu->get_item_index(i), true);
  				}
  				menu->set_position(get_position());
  				menu->popup();
  				hide();
  				updating = false;
  				return false;
  
  			} else {
  				List<String> names;
  				names.push_back("value:");
  				config_value_editors(1, 1, 50, names);
  				value_editor[0]->set_text(String::num(v));
  			}
  
  		} break;
  		case Variant::STRING: {
  
  			if (hint == PROPERTY_HINT_FILE || hint == PROPERTY_HINT_GLOBAL_FILE) {
  
  				List<String> names;
  				names.push_back(TTR("File..."));
  				names.push_back(TTR("Clear"));
  				config_action_buttons(names);
  
  			} else if (hint == PROPERTY_HINT_DIR || hint == PROPERTY_HINT_GLOBAL_DIR) {
  
  				List<String> names;
  				names.push_back(TTR("Dir..."));
  				names.push_back(TTR("Clear"));
  				config_action_buttons(names);
  			} else if (hint == PROPERTY_HINT_ENUM) {
  
  				Vector<String> options = hint_text.split(",");
  				for (int i = 0; i < options.size(); i++) {
  					menu->add_item(options[i], i);
  				}
  				menu->set_position(get_position());
  				menu->popup();
  				hide();
  				updating = false;
  				return false;
  
  			} else if (hint == PROPERTY_HINT_MULTILINE_TEXT) {
  
  				text_edit->show();
  				text_edit->set_text(v);
  				text_edit->deselect();
  
  				int button_margin = get_constant("button_margin", "Dialogs");
  				int margin = get_constant("margin", "Dialogs");
  
  				action_buttons[0]->set_anchor(MARGIN_LEFT, ANCHOR_END);
  				action_buttons[0]->set_anchor(MARGIN_TOP, ANCHOR_END);
  				action_buttons[0]->set_anchor(MARGIN_RIGHT, ANCHOR_END);
  				action_buttons[0]->set_anchor(MARGIN_BOTTOM, ANCHOR_END);
  				action_buttons[0]->set_begin(Point2(-70 * EDSCALE, -button_margin + 5 * EDSCALE));
  				action_buttons[0]->set_end(Point2(-margin, -margin));
  				action_buttons[0]->set_text(TTR("Close"));
  				action_buttons[0]->show();
  
  			} else if (hint == PROPERTY_HINT_TYPE_STRING) {
  
  				if (!create_dialog) {
  					create_dialog = memnew(CreateDialog);
  					create_dialog->connect("create", this, "_create_dialog_callback");
  					add_child(create_dialog);
  				}
  
  				if (hint_text != String()) {
  					create_dialog->set_base_type(hint_text);
  				} else {
  					create_dialog->set_base_type("Object");
  				}
  
  				create_dialog->popup_create(false);
  				hide();
  				updating = false;
  				return false;
  
  			} else if (hint == PROPERTY_HINT_METHOD_OF_VARIANT_TYPE) {
  #define MAKE_PROPSELECT                                                          \
  	if (!property_select) {                                                      \
  		property_select = memnew(PropertySelector);                              \
  		property_select->connect("selected", this, "_create_selected_property"); \
  		add_child(property_select);                                              \
  	}                                                                            \
  	hide();
  
  				MAKE_PROPSELECT;
  
  				Variant::Type type = Variant::NIL;
  				for (int i = 0; i < Variant::VARIANT_MAX; i++) {
  					if (hint_text == Variant::get_type_name(Variant::Type(i))) {
  						type = Variant::Type(i);
  					}
  				}
  				if (type)
  					property_select->select_method_from_basic_type(type, v);
  				updating = false;
  				return false;
  
  			} else if (hint == PROPERTY_HINT_METHOD_OF_BASE_TYPE) {
  				MAKE_PROPSELECT
  
  				property_select->select_method_from_base_type(hint_text, v);
  
  				updating = false;
  				return false;
  
  			} else if (hint == PROPERTY_HINT_METHOD_OF_INSTANCE) {
  
  				MAKE_PROPSELECT
  
  				Object *instance = ObjectDB::get_instance(hint_text.to_int64());
  				if (instance)
  					property_select->select_method_from_instance(instance, v);
  				updating = false;
  				return false;
  
  			} else if (hint == PROPERTY_HINT_METHOD_OF_SCRIPT) {
  				MAKE_PROPSELECT
  
  				Object *obj = ObjectDB::get_instance(hint_text.to_int64());
  				if (Object::cast_to<Script>(obj)) {
  					property_select->select_method_from_script(Object::cast_to<Script>(obj), v);
  				}
  
  				updating = false;
  				return false;
  
  			} else if (hint == PROPERTY_HINT_PROPERTY_OF_VARIANT_TYPE) {
  
  				MAKE_PROPSELECT
  				Variant::Type type = Variant::NIL;
  				String tname = hint_text;
  				if (tname.find(".") != -1)
  					tname = tname.get_slice(".", 0);
  				for (int i = 0; i < Variant::VARIANT_MAX; i++) {
  					if (tname == Variant::get_type_name(Variant::Type(i))) {
  						type = Variant::Type(Variant::Type(i));
  					}
  				}
  
  				if (type != Variant::NIL)
  					property_select->select_property_from_basic_type(type, v);
  
  				updating = false;
  				return false;
  
  			} else if (hint == PROPERTY_HINT_PROPERTY_OF_BASE_TYPE) {
  
  				MAKE_PROPSELECT
  
  				property_select->select_property_from_base_type(hint_text, v);
  
  				updating = false;
  				return false;
  
  			} else if (hint == PROPERTY_HINT_PROPERTY_OF_INSTANCE) {
  
  				MAKE_PROPSELECT
  
  				Object *instance = ObjectDB::get_instance(hint_text.to_int64());
  				if (instance)
  					property_select->select_property_from_instance(instance, v);
  
  				updating = false;
  				return false;
  
  			} else if (hint == PROPERTY_HINT_PROPERTY_OF_SCRIPT) {
  				MAKE_PROPSELECT
  
  				Object *obj = ObjectDB::get_instance(hint_text.to_int64());
  				if (Object::cast_to<Script>(obj)) {
  					property_select->select_property_from_script(Object::cast_to<Script>(obj), v);
  				}
  
  				updating = false;
  				return false;
  
  			} else {
  				List<String> names;
  				names.push_back("string:");
  				config_value_editors(1, 1, 50, names);
  				value_editor[0]->set_text(v);
  			}
  
  		} break;
  		case Variant::VECTOR2: {
  
  			field_names.push_back("x");
  			field_names.push_back("y");
  			config_value_editors(2, 2, 10, field_names);
  			Vector2 vec = v;
  			value_editor[0]->set_text(String::num(vec.x));
  			value_editor[1]->set_text(String::num(vec.y));
  		} break;
  		case Variant::RECT2: {
  
  			field_names.push_back("x");
  			field_names.push_back("y");
  			field_names.push_back("w");
  			field_names.push_back("h");
  			config_value_editors(4, 4, 10, field_names);
  			Rect2 r = v;
  			value_editor[0]->set_text(String::num(r.position.x));
  			value_editor[1]->set_text(String::num(r.position.y));
  			value_editor[2]->set_text(String::num(r.size.x));
  			value_editor[3]->set_text(String::num(r.size.y));
  		} break;
  		case Variant::VECTOR3: {
  
  			field_names.push_back("x");
  			field_names.push_back("y");
  			field_names.push_back("z");
  			config_value_editors(3, 3, 10, field_names);
  			Vector3 vec = v;
  			value_editor[0]->set_text(String::num(vec.x));
  			value_editor[1]->set_text(String::num(vec.y));
  			value_editor[2]->set_text(String::num(vec.z));
  		} break;
  		case Variant::PLANE: {
  
  			field_names.push_back("x");
  			field_names.push_back("y");
  			field_names.push_back("z");
  			field_names.push_back("d");
  			config_value_editors(4, 4, 10, field_names);
  			Plane plane = v;
  			value_editor[0]->set_text(String::num(plane.normal.x));
  			value_editor[1]->set_text(String::num(plane.normal.y));
  			value_editor[2]->set_text(String::num(plane.normal.z));
  			value_editor[3]->set_text(String::num(plane.d));
  
  		} break;
  		case Variant::QUAT: {
  
  			field_names.push_back("x");
  			field_names.push_back("y");
  			field_names.push_back("z");
  			field_names.push_back("w");
  			config_value_editors(4, 4, 10, field_names);
  			Quat q = v;
  			value_editor[0]->set_text(String::num(q.x));
  			value_editor[1]->set_text(String::num(q.y));
  			value_editor[2]->set_text(String::num(q.z));
  			value_editor[3]->set_text(String::num(q.w));
  
  		} break;
  		case Variant::AABB: {
  
  			field_names.push_back("px");
  			field_names.push_back("py");
  			field_names.push_back("pz");
  			field_names.push_back("sx");
  			field_names.push_back("sy");
  			field_names.push_back("sz");
  			config_value_editors(6, 3, 16, field_names);
  
  			AABB aabb = v;
  			value_editor[0]->set_text(String::num(aabb.position.x));
  			value_editor[1]->set_text(String::num(aabb.position.y));
  			value_editor[2]->set_text(String::num(aabb.position.z));
  			value_editor[3]->set_text(String::num(aabb.size.x));
  			value_editor[4]->set_text(String::num(aabb.size.y));
  			value_editor[5]->set_text(String::num(aabb.size.z));
  
  		} break;
  		case Variant::TRANSFORM2D: {
  
  			field_names.push_back("xx");
  			field_names.push_back("xy");
  			field_names.push_back("yx");
  			field_names.push_back("yy");
  			field_names.push_back("ox");
  			field_names.push_back("oy");
  			config_value_editors(6, 2, 16, field_names);
  
  			Transform2D basis = v;
  			for (int i = 0; i < 6; i++) {
  
  				value_editor[i]->set_text(String::num(basis.elements[i / 2][i % 2]));
  			}
  
  		} break;
  		case Variant::BASIS: {
  
  			field_names.push_back("xx");
  			field_names.push_back("xy");
  			field_names.push_back("xz");
  			field_names.push_back("yx");
  			field_names.push_back("yy");
  			field_names.push_back("yz");
  			field_names.push_back("zx");
  			field_names.push_back("zy");
  			field_names.push_back("zz");
  			config_value_editors(9, 3, 16, field_names);
  
  			Basis basis = v;
  			for (int i = 0; i < 9; i++) {
  
  				value_editor[i]->set_text(String::num(basis.elements[i / 3][i % 3]));
  			}
  
  		} break;
  		case Variant::TRANSFORM: {
  
  			field_names.push_back("xx");
  			field_names.push_back("xy");
  			field_names.push_back("xz");
  			field_names.push_back("xo");
  			field_names.push_back("yx");
  			field_names.push_back("yy");
  			field_names.push_back("yz");
  			field_names.push_back("yo");
  			field_names.push_back("zx");
  			field_names.push_back("zy");
  			field_names.push_back("zz");
  			field_names.push_back("zo");
  			config_value_editors(12, 4, 16, field_names);
  
  			Transform tr = v;
  			for (int i = 0; i < 9; i++) {
  
  				value_editor[(i / 3) * 4 + i % 3]->set_text(String::num(tr.basis.elements[i / 3][i % 3]));
  			}
  
  			value_editor[3]->set_text(String::num(tr.origin.x));
  			value_editor[7]->set_text(String::num(tr.origin.y));
  			value_editor[11]->set_text(String::num(tr.origin.z));
  
  		} break;
  		case Variant::COLOR: {
  
  			if (!color_picker) {
  				//late init for performance
  				color_picker = memnew(ColorPicker);
  				color_picker->set_deferred_mode(true);
  				add_child(color_picker);
  				color_picker->hide();
  				color_picker->connect("color_changed", this, "_color_changed");
  			}
  
  			color_picker->show();
  			color_picker->set_edit_alpha(hint != PROPERTY_HINT_COLOR_NO_ALPHA);
  			color_picker->set_pick_color(v);
  			color_picker->set_focus_on_line_edit();
  
  		} break;
  
  		case Variant::NODE_PATH: {
  
  			List<String> names;
  			names.push_back(TTR("Assign"));
  			names.push_back(TTR("Clear"));
  
  			if (owner && owner->is_class("Node") && (v.get_type() == Variant::NODE_PATH) && Object::cast_to<Node>(owner)->has_node(v))
  				names.push_back(TTR("Select Node"));
  
  			config_action_buttons(names);
  
  		} break;
  		case Variant::OBJECT: {
  
  			if (hint != PROPERTY_HINT_RESOURCE_TYPE)
  				break;
  
  			if (p_name == "script" && hint_text == "Script" && Object::cast_to<Node>(owner)) {
  				menu->add_icon_item(get_icon("Script", "EditorIcons"), TTR("New Script"), OBJ_MENU_NEW_SCRIPT);
  				menu->add_separator();
  			} else if (hint_text != "") {
  				int idx = 0;
  
  				Vector<EditorData::CustomType> custom_resources;
  
  				if (EditorNode::get_editor_data().get_custom_types().has("Resource")) {
  					custom_resources = EditorNode::get_editor_data().get_custom_types()["Resource"];
  				}
  
  				for (int i = 0; i < hint_text.get_slice_count(","); i++) {
  
  					String base = hint_text.get_slice(",", i);
  
  					Set<String> valid_inheritors;
  					valid_inheritors.insert(base);
  					List<StringName> inheritors;
  					ClassDB::get_inheriters_from_class(base.strip_edges(), &inheritors);
  
  					for (int j = 0; j < custom_resources.size(); j++) {
  						inheritors.push_back(custom_resources[j].name);
  					}
  
  					List<StringName>::Element *E = inheritors.front();
  					while (E) {
  						valid_inheritors.insert(E->get());
  						E = E->next();
  					}
  
  					for (Set<String>::Element *j = valid_inheritors.front(); j; j = j->next()) {
  						const String &t = j->get();
  
  						bool is_custom_resource = false;
  						Ref<Texture> icon;
  						if (!custom_resources.empty()) {
  							for (int k = 0; k < custom_resources.size(); k++) {
  								if (custom_resources[k].name == t) {
  									is_custom_resource = true;
  									if (custom_resources[k].icon.is_valid())
  										icon = custom_resources[k].icon;
  									break;
  								}
  							}
  						}
  
  						if (!is_custom_resource && !ClassDB::can_instance(t))
  							continue;
  
  						inheritors_array.push_back(t);
  
  						int id = TYPE_BASE_ID + idx;
  
  						if (!icon.is_valid() && has_icon(t, "EditorIcons")) {
  							icon = get_icon(t, "EditorIcons");
  						}
  
  						if (icon.is_valid()) {
  
  							menu->add_icon_item(icon, vformat(TTR("New %s"), t), id);
  						} else {
  
  							menu->add_item(vformat(TTR("New %s"), t), id);
  						}
  
  						idx++;
  					}
  				}
  
  				if (menu->get_item_count())
  					menu->add_separator();
  			}
  
  			menu->add_icon_item(get_icon("Load", "EditorIcons"), TTR("Load"), OBJ_MENU_LOAD);
  
  			if (!RES(v).is_null()) {
  
  				menu->add_icon_item(get_icon("Edit", "EditorIcons"), TTR("Edit"), OBJ_MENU_EDIT);
  				menu->add_icon_item(get_icon("Clear", "EditorIcons"), TTR("Clear"), OBJ_MENU_CLEAR);
  				menu->add_icon_item(get_icon("Duplicate", "EditorIcons"), TTR("Make Unique"), OBJ_MENU_MAKE_UNIQUE);
  				RES r = v;
  				if (r.is_valid() && r->get_path().is_resource_file()) {
  					menu->add_separator();
  					menu->add_item(TTR("Show in FileSystem"), OBJ_MENU_SHOW_IN_FILE_SYSTEM);
  				}
  			} else {
  			}
  
  			RES cb = EditorSettings::get_singleton()->get_resource_clipboard();
  			bool paste_valid = false;
  			if (cb.is_valid()) {
  				if (hint_text == "")
  					paste_valid = true;
  				else
  					for (int i = 0; i < hint_text.get_slice_count(","); i++)
  						if (ClassDB::is_parent_class(cb->get_class(), hint_text.get_slice(",", i))) {
  							paste_valid = true;
  							break;
  						}
  			}
  
  			if (!RES(v).is_null() || paste_valid) {
  				menu->add_separator();
  
  				if (!RES(v).is_null()) {
  
  					menu->add_item(TTR("Copy"), OBJ_MENU_COPY);
  				}
  
  				if (paste_valid) {
  
  					menu->add_item(TTR("Paste"), OBJ_MENU_PASTE);
  				}
  			}
  
  			if (!RES(v).is_null()) {
  
  				Vector<Ref<EditorResourceConversionPlugin> > conversions = EditorNode::get_singleton()->find_resource_conversion_plugin(RES(v));
  				if (conversions.size()) {
  					menu->add_separator();
  				}
  				for (int i = 0; i < conversions.size(); i++) {
  					String what = conversions[i]->converts_to();
  					Ref<Texture> icon;
  					if (has_icon(what, "EditorIcons")) {
  
  						icon = get_icon(what, "EditorIcons");
  					} else {
  
  						icon = get_icon(what, "Resource");
  					}
  
  					menu->add_icon_item(icon, vformat(TTR("Convert To %s"), what), CONVERT_BASE_ID + i);
  				}
  			}
  
  			menu->set_position(get_position());
  			menu->popup();
  			hide();
  			updating = false;
  			return false;
  
  		} break;
  		case Variant::DICTIONARY: {
  
  		} break;
  		case Variant::POOL_BYTE_ARRAY: {
  
  		} break;
  		case Variant::POOL_INT_ARRAY: {
  
  		} break;
  		case Variant::POOL_REAL_ARRAY: {
  
  		} break;
  		case Variant::POOL_STRING_ARRAY: {
  
  		} break;
  		case Variant::POOL_VECTOR3_ARRAY: {
  
  		} break;
  		case Variant::POOL_COLOR_ARRAY: {
  
  		} break;
  		default: {
  		}
  	}
  
  	updating = false;
  	return true;
  }
  
  void CustomPropertyEditor::_file_selected(String p_file) {
  
  	switch (type) {
  
  		case Variant::STRING: {
  
  			if (hint == PROPERTY_HINT_FILE || hint == PROPERTY_HINT_DIR) {
  
  				v = ProjectSettings::get_singleton()->localize_path(p_file);
  				emit_signal("variant_changed");
  				hide();
  			}
  
  			if (hint == PROPERTY_HINT_GLOBAL_FILE || hint == PROPERTY_HINT_GLOBAL_DIR) {
  
  				v = p_file;
  				emit_signal("variant_changed");
  				hide();
  			}
  
  		} break;
  		case Variant::OBJECT: {
  
  			String type = (hint == PROPERTY_HINT_RESOURCE_TYPE) ? hint_text : String();
  
  			RES res = ResourceLoader::load(p_file, type);
  			if (res.is_null()) {
  				error->set_text(TTR("Error loading file: Not a resource!"));
  				error->popup_centered_minsize();
  				break;
  			}
  			v = res.get_ref_ptr();
  			emit_signal("variant_changed");
  			hide();
  		} break;
  		default: {
  		}
  	}
  }
  
  void CustomPropertyEditor::_type_create_selected(int p_idx) {
  
  	if (type == Variant::INT || type == Variant::REAL) {
  
  		float newval = 0;
  		switch (p_idx) {
  
  			case EASING_LINEAR: {
  
  				newval = 1;
  			} break;
  			case EASING_EASE_IN: {
  
  				newval = 2.0;
  			} break;
  			case EASING_EASE_OUT: {
  				newval = 0.5;
  			} break;
  			case EASING_ZERO: {
  
  				newval = 0;
  			} break;
  			case EASING_IN_OUT: {
  
  				newval = -0.5;
  			} break;
  			case EASING_OUT_IN: {
  				newval = -2.0;
  			} break;
  		}
  
  		v = newval;
  		emit_signal("variant_changed");
  		easing_draw->update();
  
  	} else if (type == Variant::OBJECT) {
  
  		ERR_FAIL_INDEX(p_idx, inheritors_array.size());
  
  		String intype = inheritors_array[p_idx];
  
  		Object *obj = ClassDB::instance(intype);
  
  		if (!obj) {
  			if (ScriptServer::is_global_class(intype)) {
  				obj = EditorNode::get_editor_data().script_class_instance(intype);
  			} else {
  				obj = EditorNode::get_editor_data().instance_custom_type(intype, "Resource");
  			}
  		}
  
  		ERR_FAIL_COND(!obj);
  
  		Resource *res = Object::cast_to<Resource>(obj);
  		ERR_FAIL_COND(!res);
  
  		v = Ref<Resource>(res).get_ref_ptr();
  		emit_signal("variant_changed");
  		hide();
  	}
  }
  
  void CustomPropertyEditor::_color_changed(const Color &p_color) {
  
  	v = p_color;
  	emit_signal("variant_changed");
  }
  
  void CustomPropertyEditor::_node_path_selected(NodePath p_path) {
  
  	if (picking_viewport) {
  
  		Node *to_node = get_node(p_path);
  		if (!Object::cast_to<Viewport>(to_node)) {
  			EditorNode::get_singleton()->show_warning(TTR("Selected node is not a Viewport!"));
  			return;
  		}
  
  		Ref<ViewportTexture> vt;
  		vt.instance();
  		vt->set_viewport_path_in_scene(get_tree()->get_edited_scene_root()->get_path_to(to_node));
  		vt->setup_local_to_scene();
  		v = vt;
  		emit_signal("variant_changed");
  		return;
  	}
  
  	if (hint == PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE && hint_text != String()) {
  
  		Node *node = get_node(hint_text);
  		if (node) {
  
  			Node *tonode = node->get_node(p_path);
  			if (tonode) {
  				p_path = node->get_path_to(tonode);
  			}
  		}
  
  	} else if (owner) {
  
  		Node *node = NULL;
  
  		if (owner->is_class("Node"))
  			node = Object::cast_to<Node>(owner);
  		else if (owner->is_class("ArrayPropertyEdit"))
  			node = Object::cast_to<ArrayPropertyEdit>(owner)->get_node();
  		else if (owner->is_class("DictionaryPropertyEdit"))
  			node = Object::cast_to<DictionaryPropertyEdit>(owner)->get_node();
  		if (!node) {
  			v = p_path;
  			emit_signal("variant_changed");
  			call_deferred("hide"); //to not mess with dialogs
  			return;
  		}
  
  		Node *tonode = node->get_node(p_path);
  		if (tonode) {
  			p_path = node->get_path_to(tonode);
  		}
  	}
  
  	v = p_path;
  	emit_signal("variant_changed");
  	call_deferred("hide"); //to not mess with dialogs
  }
  
  void CustomPropertyEditor::_action_pressed(int p_which) {
  
  	if (updating)
  		return;
  
  	switch (type) {
  		case Variant::BOOL: {
  			v = checks20[0]->is_pressed();
  			emit_signal("variant_changed");
  		} break;
  		case Variant::INT: {
  
  			if (hint == PROPERTY_HINT_LAYERS_2D_PHYSICS || hint == PROPERTY_HINT_LAYERS_2D_RENDER || hint == PROPERTY_HINT_LAYERS_3D_PHYSICS || hint == PROPERTY_HINT_LAYERS_3D_RENDER) {
  
  				uint32_t f = v;
  				if (checks20[p_which]->is_pressed())
  					f |= (1 << p_which);
  				else
  					f &= ~(1 << p_which);
  
  				v = f;
  				emit_signal("variant_changed");
  			}
  
  		} break;
  		case Variant::STRING: {
  
  			if (hint == PROPERTY_HINT_MULTILINE_TEXT) {
  
  				hide();
  
  			} else if (hint == PROPERTY_HINT_FILE || hint == PROPERTY_HINT_GLOBAL_FILE) {
  				if (p_which == 0) {
  
  					if (hint == PROPERTY_HINT_FILE)
  						file->set_access(EditorFileDialog::ACCESS_RESOURCES);
  					else
  						file->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
  
  					file->set_mode(EditorFileDialog::MODE_OPEN_FILE);
  					file->clear_filters();
  
  					file->clear_filters();
  
  					if (hint_text != "") {
  						Vector<String> extensions = hint_text.split(",");
  						for (int i = 0; i < extensions.size(); i++) {
  
  							String filter = extensions[i];
  							if (filter.begins_with("."))
  								filter = "*" + extensions[i];
  							else if (!filter.begins_with("*"))
  								filter = "*." + extensions[i];
  
  							file->add_filter(filter + " ; " + extensions[i].to_upper());
  						}
  					}
  					file->popup_centered_ratio();
  				} else {
  
  					v = "";
  					emit_signal("variant_changed");
  					hide();
  				}
  
  			} else if (hint == PROPERTY_HINT_DIR || hint == PROPERTY_HINT_GLOBAL_DIR) {
  
  				if (p_which == 0) {
  
  					if (hint == PROPERTY_HINT_DIR)
  						file->set_access(EditorFileDialog::ACCESS_RESOURCES);
  					else
  						file->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
  					file->set_mode(EditorFileDialog::MODE_OPEN_DIR);
  					file->clear_filters();
  					file->popup_centered_ratio();
  				} else {
  
  					v = "";
  					emit_signal("variant_changed");
  					hide();
  				}
  			}
  
  		} break;
  		case Variant::NODE_PATH: {
  
  			if (p_which == 0) {
  
  				picking_viewport = false;
  				scene_tree->set_title(TTR("Pick a Node"));
  				scene_tree->popup_centered_ratio();
  
  			} else if (p_which == 1) {
  
  				v = NodePath();
  				emit_signal("variant_changed");
  				hide();
  			} else if (p_which == 2) {
  
  				if (owner->is_class("Node") && (v.get_type() == Variant::NODE_PATH) && Object::cast_to<Node>(owner)->has_node(v)) {
  
  					Node *target_node = Object::cast_to<Node>(owner)->get_node(v);
  					EditorNode::get_singleton()->get_editor_selection()->clear();
  					EditorNode::get_singleton()->get_scene_tree_dock()->set_selected(target_node);
  				}
  
  				hide();
  			}
  
  		} break;
  		case Variant::OBJECT: {
  
  			if (p_which == 0) {
  
  				ERR_FAIL_COND(inheritors_array.empty());
  
  				String intype = inheritors_array[0];
  
  				if (hint == PROPERTY_HINT_RESOURCE_TYPE) {
  
  					Object *obj = ClassDB::instance(intype);
  
  					if (!obj) {
  						if (ScriptServer::is_global_class(intype)) {
  							obj = EditorNode::get_editor_data().script_class_instance(intype);
  						} else {
  							obj = EditorNode::get_editor_data().instance_custom_type(intype, "Resource");
  						}
  					}
  
  					ERR_BREAK(!obj);
  					Resource *res = Object::cast_to<Resource>(obj);
  					ERR_BREAK(!res);
  
  					v = Ref<Resource>(res).get_ref_ptr();
  					emit_signal("variant_changed");
  					hide();
  				}
  			} else if (p_which == 1) {
  
  				file->set_access(EditorFileDialog::ACCESS_RESOURCES);
  				file->set_mode(EditorFileDialog::MODE_OPEN_FILE);
  				List<String> extensions;
  				String type = (hint == PROPERTY_HINT_RESOURCE_TYPE) ? hint_text : String();
  
  				ResourceLoader::get_recognized_extensions_for_type(type, &extensions);
  				file->clear_filters();
  				for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
  
  					file->add_filter("*." + E->get() + " ; " + E->get().to_upper());
  				}
  
  				file->popup_centered_ratio();
  
  			} else if (p_which == 2) {
  
  				RefPtr RefPtr = v;
  
  				if (!RefPtr.is_null()) {
  
  					emit_signal("resource_edit_request");
  					hide();
  				}
  
  			} else if (p_which == 3) {
  
  				v = Variant();
  				emit_signal("variant_changed");
  				hide();
  			} else if (p_which == 4) {
  
  				RefPtr RefPtr = v;
  				Ref<Resource> res_orig = RefPtr;
  				if (res_orig.is_null())
  					return;
  
  				List<PropertyInfo> property_list;
  				res_orig->get_property_list(&property_list);
  				List<Pair<String, Variant> > propvalues;
  
  				for (List<PropertyInfo>::Element *E = property_list.front(); E; E = E->next()) {
  
  					Pair<String, Variant> p;
  					PropertyInfo &pi = E->get();
  					if (pi.usage & PROPERTY_USAGE_STORAGE) {
  
  						p.first = pi.name;
  						p.second = res_orig->get(pi.name);
  					}
  
  					propvalues.push_back(p);
  				}
  
  				Ref<Resource> res = Ref<Resource>(ClassDB::instance(res_orig->get_class()));
  
  				ERR_FAIL_COND(res.is_null());
  
  				for (List<Pair<String, Variant> >::Element *E = propvalues.front(); E; E = E->next()) {
  
  					Pair<String, Variant> &p = E->get();
  					res->set(p.first, p.second);
  				}
  
  				v = res.get_ref_ptr();
  				emit_signal("variant_changed");
  				hide();
  			}
  
  		} break;
  
  		default: {
  		};
  	}
  }
  
  void CustomPropertyEditor::_drag_easing(const Ref<InputEvent> &p_ev) {
  
  	Ref<InputEventMouseMotion> mm = p_ev;
  
  	if (mm.is_valid() && mm->get_button_mask() & BUTTON_MASK_LEFT) {
  
  		float rel = mm->get_relative().x;
  		if (rel == 0)
  			return;
  
  		bool flip = hint_text == "attenuation";
  
  		if (flip)
  			rel = -rel;
  
  		float val = v;
  		if (val == 0)
  			return;
  		bool sg = val < 0;
  		val = Math::absf(val);
  
  		val = Math::log(val) / Math::log((float)2.0);
  		//logspace
  		val += rel * 0.05;
  
  		val = Math::pow(2.0f, val);
  		if (sg)
  			val = -val;
  
  		v = val;
  		easing_draw->update();
  		emit_signal("variant_changed");
  	}
  }
  
  void CustomPropertyEditor::_draw_easing() {
  
  	RID ci = easing_draw->get_canvas_item();
  
  	Size2 s = easing_draw->get_size();
  	Rect2 r(Point2(), s);
  	r = r.grow(3);
  	get_stylebox("normal", "LineEdit")->draw(ci, r);
  
  	int points = 48;
  
  	float prev = 1.0;
  	float exp = v;
  	bool flip = hint_text == "attenuation";
  
  	Ref<Font> f = get_font("font", "Label");
  	Color color = get_color("font_color", "Label");
  
  	for (int i = 1; i <= points; i++) {
  
  		float ifl = i / float(points);
  		float iflp = (i - 1) / float(points);
  
  		float h = 1.0 - Math::ease(ifl, exp);
  
  		if (flip) {
  			ifl = 1.0 - ifl;
  			iflp = 1.0 - iflp;
  		}
  
  		VisualServer::get_singleton()->canvas_item_add_line(ci, Point2(iflp * s.width, prev * s.height), Point2(ifl * s.width, h * s.height), color);
  		prev = h;
  	}
  
  	f->draw(ci, Point2(10, 10 + f->get_ascent()), String::num(exp, 2), color);
  }
  
  void CustomPropertyEditor::_text_edit_changed() {
  
  	v = text_edit->get_text();
  	emit_signal("variant_changed");
  }
  
  void CustomPropertyEditor::_create_dialog_callback() {
  
  	v = create_dialog->get_selected_type();
  	emit_signal("variant_changed");
  }
  
  void CustomPropertyEditor::_create_selected_property(const String &p_prop) {
  
  	v = p_prop;
  	emit_signal("variant_changed");
  }
  
  void CustomPropertyEditor::_modified(String p_string) {
  
  	if (updating)
  		return;
  
  	updating = true;
  	switch (type) {
  		case Variant::INT: {
  			String text = value_editor[0]->get_text();
  			Ref<Expression> expr;
  			expr.instance();
  			Error err = expr->parse(text);
  			if (err != OK) {
  				v = value_editor[0]->get_text().to_int();
  				return;
  			} else {
  				v = expr->execute(Array(), NULL, false);
  			}
  			emit_signal("variant_changed");
  
  		} break;
  		case Variant::REAL: {
  
  			if (hint != PROPERTY_HINT_EXP_EASING) {
  				String text = value_editor[0]->get_text();
  				v = _parse_real_expression(text);
  				emit_signal("variant_changed");
  			}
  
  		} break;
  		case Variant::STRING: {
  
  			v = value_editor[0]->get_text();
  			emit_signal("variant_changed");
  		} break;
  		case Variant::VECTOR2: {
  
  			Vector2 vec;
  			vec.x = _parse_real_expression(value_editor[0]->get_text());
  			vec.y = _parse_real_expression(value_editor[1]->get_text());
  			v = vec;
  			_emit_changed_whole_or_field();
  
  		} break;
  		case Variant::RECT2: {
  
  			Rect2 r2;
  
  			r2.position.x = _parse_real_expression(value_editor[0]->get_text());
  			r2.position.y = _parse_real_expression(value_editor[1]->get_text());
  			r2.size.x = _parse_real_expression(value_editor[2]->get_text());
  			r2.size.y = _parse_real_expression(value_editor[3]->get_text());
  			v = r2;
  			_emit_changed_whole_or_field();
  
  		} break;
  
  		case Variant::VECTOR3: {
  
  			Vector3 vec;
  			vec.x = _parse_real_expression(value_editor[0]->get_text());
  			vec.y = _parse_real_expression(value_editor[1]->get_text());
  			vec.z = _parse_real_expression(value_editor[2]->get_text());
  			v = vec;
  			_emit_changed_whole_or_field();
  
  		} break;
  		case Variant::PLANE: {
  
  			Plane pl;
  			pl.normal.x = _parse_real_expression(value_editor[0]->get_text());
  			pl.normal.y = _parse_real_expression(value_editor[1]->get_text());
  			pl.normal.z = _parse_real_expression(value_editor[2]->get_text());
  			pl.d = _parse_real_expression(value_editor[3]->get_text());
  			v = pl;
  			_emit_changed_whole_or_field();
  
  		} break;
  		case Variant::QUAT: {
  
  			Quat q;
  			q.x = _parse_real_expression(value_editor[0]->get_text());
  			q.y = _parse_real_expression(value_editor[1]->get_text());
  			q.z = _parse_real_expression(value_editor[2]->get_text());
  			q.w = _parse_real_expression(value_editor[3]->get_text());
  			v = q;
  			_emit_changed_whole_or_field();
  
  		} break;
  		case Variant::AABB: {
  
  			Vector3 pos;
  			Vector3 size;
  
  			pos.x = _parse_real_expression(value_editor[0]->get_text());
  			pos.y = _parse_real_expression(value_editor[1]->get_text());
  			pos.z = _parse_real_expression(value_editor[2]->get_text());
  			size.x = _parse_real_expression(value_editor[3]->get_text());
  			size.y = _parse_real_expression(value_editor[4]->get_text());
  			size.z = _parse_real_expression(value_editor[5]->get_text());
  			v = AABB(pos, size);
  			_emit_changed_whole_or_field();
  
  		} break;
  		case Variant::TRANSFORM2D: {
  
  			Transform2D m;
  			for (int i = 0; i < 6; i++) {
  				m.elements[i / 2][i % 2] = _parse_real_expression(value_editor[i]->get_text());
  			}
  
  			v = m;
  			_emit_changed_whole_or_field();
  
  		} break;
  		case Variant::BASIS: {
  
  			Basis m;
  			for (int i = 0; i < 9; i++) {
  				m.elements[i / 3][i % 3] = _parse_real_expression(value_editor[i]->get_text());
  			}
  
  			v = m;
  			_emit_changed_whole_or_field();
  
  		} break;
  		case Variant::TRANSFORM: {
  
  			Basis basis;
  			for (int i = 0; i < 9; i++) {
  				basis.elements[i / 3][i % 3] = _parse_real_expression(value_editor[(i / 3) * 4 + i % 3]->get_text());
  			}
  
  			Vector3 origin;
  
  			origin.x = _parse_real_expression(value_editor[3]->get_text());
  			origin.y = _parse_real_expression(value_editor[7]->get_text());
  			origin.z = _parse_real_expression(value_editor[11]->get_text());
  
  			v = Transform(basis, origin);
  			_emit_changed_whole_or_field();
  
  		} break;
  		case Variant::COLOR: {
  
  		} break;
  
  		case Variant::NODE_PATH: {
  
  			v = NodePath(value_editor[0]->get_text());
  			emit_signal("variant_changed");
  		} break;
  		case Variant::DICTIONARY: {
  
  		} break;
  		case Variant::POOL_BYTE_ARRAY: {
  
  		} break;
  		case Variant::POOL_INT_ARRAY: {
  
  		} break;
  		case Variant::POOL_REAL_ARRAY: {
  
  		} break;
  		case Variant::POOL_STRING_ARRAY: {
  
  		} break;
  		case Variant::POOL_VECTOR3_ARRAY: {
  
  		} break;
  		case Variant::POOL_COLOR_ARRAY: {
  
  		} break;
  		default: {
  		}
  	}
  
  	updating = false;
  }
  
  real_t CustomPropertyEditor::_parse_real_expression(String text) {
  	Ref<Expression> expr;
  	expr.instance();
  	Error err = expr->parse(text);
  	real_t out;
  	if (err != OK) {
  		out = value_editor[0]->get_text().to_double();
  	} else {
  		out = expr->execute(Array(), NULL, false);
  	}
  	return out;
  }
  
  void CustomPropertyEditor::_emit_changed_whole_or_field() {
  
  	if (!Input::get_singleton()->is_key_pressed(KEY_SHIFT)) {
  		emit_signal("variant_changed");
  	} else {
  		emit_signal("variant_field_changed", field_names[focused_value_editor]);
  	}
  }
  
  void CustomPropertyEditor::_range_modified(double p_value) {
  	v = p_value;
  	emit_signal("variant_changed");
  }
  
  void CustomPropertyEditor::_focus_enter() {
  	switch (type) {
  		case Variant::REAL:
  		case Variant::STRING:
  		case Variant::VECTOR2:
  		case Variant::RECT2:
  		case Variant::VECTOR3:
  		case Variant::PLANE:
  		case Variant::QUAT:
  		case Variant::AABB:
  		case Variant::TRANSFORM2D:
  		case Variant::BASIS:
  		case Variant::TRANSFORM: {
  			for (int i = 0; i < MAX_VALUE_EDITORS; ++i) {
  				if (value_editor[i]->has_focus()) {
  					focused_value_editor = i;
  					value_editor[i]->select_all();
  					break;
  				}
  			}
  		} break;
  		default: {
  		}
  	}
  }
  
  void CustomPropertyEditor::_focus_exit() {
  	switch (type) {
  		case Variant::REAL:
  		case Variant::STRING:
  		case Variant::VECTOR2:
  		case Variant::RECT2:
  		case Variant::VECTOR3:
  		case Variant::PLANE:
  		case Variant::QUAT:
  		case Variant::AABB:
  		case Variant::TRANSFORM2D:
  		case Variant::BASIS:
  		case Variant::TRANSFORM: {
  			for (int i = 0; i < MAX_VALUE_EDITORS; ++i) {
  				value_editor[i]->select(0, 0);
  			}
  		} break;
  		default: {
  		}
  	}
  }
  
  void CustomPropertyEditor::config_action_buttons(const List<String> &p_strings) {
  
  	Ref<StyleBox> sb = get_stylebox("panel");
  	int margin_top = sb->get_margin(MARGIN_TOP);
  	int margin_left = sb->get_margin(MARGIN_LEFT);
  	int margin_bottom = sb->get_margin(MARGIN_BOTTOM);
  	int margin_right = sb->get_margin(MARGIN_RIGHT);
  
  	int max_width = 0;
  	int height = 0;
  
  	for (int i = 0; i < MAX_ACTION_BUTTONS; i++) {
  
  		if (i < p_strings.size()) {
  
  			action_buttons[i]->show();
  			action_buttons[i]->set_text(p_strings[i]);
  
  			Size2 btn_m_size = action_buttons[i]->get_minimum_size();
  			if (btn_m_size.width > max_width)
  				max_width = btn_m_size.width;
  
  		} else {
  			action_buttons[i]->hide();
  		}
  	}
  
  	for (int i = 0; i < p_strings.size(); i++) {
  
  		Size2 btn_m_size = action_buttons[i]->get_size();
  		action_buttons[i]->set_position(Point2(0, height) + Point2(margin_left, margin_top));
  		action_buttons[i]->set_size(Size2(max_width, btn_m_size.height));
  
  		height += btn_m_size.height;
  	}
  	set_size(Size2(max_width, height) + Size2(margin_left + margin_right, margin_top + margin_bottom));
  }
  
  void CustomPropertyEditor::config_value_editors(int p_amount, int p_columns, int p_label_w, const List<String> &p_strings) {
  
  	int cell_width = 95;
  	int cell_height = 25;
  	int cell_margin = 5;
  	int hor_spacing = 5; // Spacing between labels and their values
  
  	int rows = ((p_amount - 1) / p_columns) + 1;
  
  	set_size(Size2(cell_margin + p_label_w + (cell_width + cell_margin + p_label_w) * p_columns, cell_margin + (cell_height + cell_margin) * rows) * EDSCALE);
  
  	for (int i = 0; i < MAX_VALUE_EDITORS; i++) {
  
  		int c = i % p_columns;
  		int r = i / p_columns;
  
  		if (i < p_amount) {
  			value_editor[i]->show();
  			value_label[i]->show();
  			value_label[i]->set_text(i < p_strings.size() ? p_strings[i] : String(""));
  			value_editor[i]->set_position(Point2(cell_margin + p_label_w + hor_spacing + (cell_width + cell_margin + p_label_w + hor_spacing) * c, cell_margin + (cell_height + cell_margin) * r) * EDSCALE);
  			value_editor[i]->set_size(Size2(cell_width, cell_height));
  			value_label[i]->set_position(Point2(cell_margin + (cell_width + cell_margin + p_label_w + hor_spacing) * c, cell_margin + (cell_height + cell_margin) * r) * EDSCALE);
  			value_editor[i]->set_editable(!read_only);
  		} else {
  			value_editor[i]->hide();
  			value_label[i]->hide();
  		}
  	}
  }
  
  void CustomPropertyEditor::_bind_methods() {
  
  	ClassDB::bind_method("_focus_enter", &CustomPropertyEditor::_focus_enter);
  	ClassDB::bind_method("_focus_exit", &CustomPropertyEditor::_focus_exit);
  	ClassDB::bind_method("_modified", &CustomPropertyEditor::_modified);
  	ClassDB::bind_method("_range_modified", &CustomPropertyEditor::_range_modified);
  	ClassDB::bind_method("_action_pressed", &CustomPropertyEditor::_action_pressed);
  	ClassDB::bind_method("_file_selected", &CustomPropertyEditor::_file_selected);
  	ClassDB::bind_method("_type_create_selected", &CustomPropertyEditor::_type_create_selected);
  	ClassDB::bind_method("_node_path_selected", &CustomPropertyEditor::_node_path_selected);
  	ClassDB::bind_method("_color_changed", &CustomPropertyEditor::_color_changed);
  	ClassDB::bind_method("_draw_easing", &CustomPropertyEditor::_draw_easing);
  	ClassDB::bind_method("_drag_easing", &CustomPropertyEditor::_drag_easing);
  	ClassDB::bind_method("_text_edit_changed", &CustomPropertyEditor::_text_edit_changed);
  	ClassDB::bind_method("_menu_option", &CustomPropertyEditor::_menu_option);
  	ClassDB::bind_method("_create_dialog_callback", &CustomPropertyEditor::_create_dialog_callback);
  	ClassDB::bind_method("_create_selected_property", &CustomPropertyEditor::_create_selected_property);
  
  	ADD_SIGNAL(MethodInfo("variant_changed"));
  	ADD_SIGNAL(MethodInfo("variant_field_changed", PropertyInfo(Variant::STRING, "field")));
  	ADD_SIGNAL(MethodInfo("resource_edit_request"));
  }
  
  CustomPropertyEditor::CustomPropertyEditor() {
  
  	read_only = false;
  	updating = false;
  
  	for (int i = 0; i < MAX_VALUE_EDITORS; i++) {
  
  		value_editor[i] = memnew(LineEdit);
  		add_child(value_editor[i]);
  		value_label[i] = memnew(Label);
  		add_child(value_label[i]);
  		value_editor[i]->hide();
  		value_label[i]->hide();
  		value_editor[i]->connect("text_entered", this, "_modified");
  		value_editor[i]->connect("focus_entered", this, "_focus_enter");
  		value_editor[i]->connect("focus_exited", this, "_focus_exit");
  	}
  	focused_value_editor = -1;
  
  	for (int i = 0; i < 4; i++) {
  
  		scroll[i] = memnew(HScrollBar);
  		scroll[i]->hide();
  		scroll[i]->set_min(0);
  		scroll[i]->set_max(1.0);
  		scroll[i]->set_step(0.01);
  		add_child(scroll[i]);
  	}
  
  	checks20gc = memnew(GridContainer);
  	add_child(checks20gc);
  	checks20gc->set_columns(11);
  
  	for (int i = 0; i < 20; i++) {
  		if (i == 5 || i == 15) {
  			Control *space = memnew(Control);
  			space->set_custom_minimum_size(Size2(20, 0) * EDSCALE);
  			checks20gc->add_child(space);
  		}
  
  		checks20[i] = memnew(CheckBox);
  		checks20[i]->set_toggle_mode(true);
  		checks20[i]->set_focus_mode(FOCUS_NONE);
  		checks20gc->add_child(checks20[i]);
  		checks20[i]->hide();
  		checks20[i]->connect("pressed", this, "_action_pressed", make_binds(i));
  		checks20[i]->set_tooltip(vformat(TTR("Bit %d, val %d."), i, 1 << i));
  	}
  
  	text_edit = memnew(TextEdit);
  	add_child(text_edit);
  	text_edit->set_anchors_and_margins_preset(Control::PRESET_WIDE, Control::PRESET_MODE_MINSIZE, 5);
  	text_edit->set_margin(MARGIN_BOTTOM, -30);
  
  	text_edit->hide();
  	text_edit->connect("text_changed", this, "_text_edit_changed");
  
  	for (int i = 0; i < MAX_ACTION_BUTTONS; i++) {
  
  		action_buttons[i] = memnew(Button);
  		action_buttons[i]->hide();
  		add_child(action_buttons[i]);
  		Vector<Variant> binds;
  		binds.push_back(i);
  		action_buttons[i]->connect("pressed", this, "_action_pressed", binds);
  		action_buttons[i]->set_flat(true);
  	}
  
  	color_picker = NULL;
  
  	set_as_toplevel(true);
  	file = memnew(EditorFileDialog);
  	add_child(file);
  	file->hide();
  
  	file->connect("file_selected", this, "_file_selected");
  	file->connect("dir_selected", this, "_file_selected");
  
  	error = memnew(ConfirmationDialog);
  	error->set_title(TTR("Error!"));
  	add_child(error);
  
  	scene_tree = memnew(SceneTreeDialog);
  	add_child(scene_tree);
  	scene_tree->connect("selected", this, "_node_path_selected");
  	scene_tree->get_scene_tree()->set_show_enabled_subscene(true);
  
  	texture_preview = memnew(TextureRect);
  	add_child(texture_preview);
  	texture_preview->hide();
  
  	easing_draw = memnew(Control);
  	add_child(easing_draw);
  	easing_draw->hide();
  	easing_draw->connect("draw", this, "_draw_easing");
  	easing_draw->connect("gui_input", this, "_drag_easing");
  	easing_draw->set_default_cursor_shape(Control::CURSOR_MOVE);
  
  	type_button = memnew(MenuButton);
  	add_child(type_button);
  	type_button->hide();
  	type_button->get_popup()->connect("id_pressed", this, "_type_create_selected");
  
  	menu = memnew(PopupMenu);
  	menu->set_pass_on_modal_close_click(false);
  	add_child(menu);
  	menu->connect("id_pressed", this, "_menu_option");
  
  	evaluator = NULL;
  
  	spinbox = memnew(SpinBox);
  	add_child(spinbox);
  	spinbox->set_anchors_and_margins_preset(Control::PRESET_WIDE, Control::PRESET_MODE_MINSIZE, 5);
  	spinbox->connect("value_changed", this, "_range_modified");
  
  	slider = memnew(HSlider);
  	add_child(slider);
  	slider->set_anchors_and_margins_preset(Control::PRESET_WIDE, Control::PRESET_MODE_MINSIZE, 5);
  	slider->connect("value_changed", this, "_range_modified");
  
  	create_dialog = NULL;
  	property_select = NULL;
  }
  