/*************************************************************************/
/*  project_settings_editor.cpp                                          */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 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 "project_settings_editor.h"

#include "core/global_constants.h"
#include "core/input_map.h"
#include "core/os/keyboard.h"
#include "core/project_settings.h"
#include "core/translation.h"
#include "editor/editor_export.h"
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#include "scene/gui/margin_container.h"
#include "scene/gui/tab_container.h"

ProjectSettingsEditor *ProjectSettingsEditor::singleton = NULL;

static const char *_button_names[JOY_BUTTON_MAX] = {
	"DualShock Cross, Xbox A, Nintendo B",
	"DualShock Circle, Xbox B, Nintendo A",
	"DualShock Square, Xbox X, Nintendo Y",
	"DualShock Triangle, Xbox Y, Nintendo X",
	"L, L1",
	"R, R1",
	"L2",
	"R2",
	"L3",
	"R3",
	"Select, DualShock Share, Nintendo -",
	"Start, DualShock Options, Nintendo +",
	"D-Pad Up",
	"D-Pad Down",
	"D-Pad Left",
	"D-Pad Right"
};

static const char *_axis_names[JOY_AXIS_MAX * 2] = {
	" (Left Stick Left)",
	" (Left Stick Right)",
	" (Left Stick Up)",
	" (Left Stick Down)",
	" (Right Stick Left)",
	" (Right Stick Right)",
	" (Right Stick Up)",
	" (Right Stick Down)",
	"", "", "", "",
	"", " (L2)",
	"", " (R2)"
};

void ProjectSettingsEditor::_unhandled_input(const Ref<InputEvent> &p_event) {

	const Ref<InputEventKey> k = p_event;

	if (k.is_valid() && is_window_modal_on_top() && k->is_pressed()) {

		if (k->get_keycode_with_modifiers() == (KEY_MASK_CMD | KEY_F)) {
			if (search_button->is_pressed()) {
				search_box->grab_focus();
				search_box->select_all();
			} else {
				// This toggles the search bar display while giving the button its "pressed" appearance
				search_button->set_pressed(true);
			}

			accept_event();
		}
	}
}

void ProjectSettingsEditor::_notification(int p_what) {

	switch (p_what) {
		case NOTIFICATION_ENTER_TREE: {
			globals_editor->edit(ProjectSettings::get_singleton());

			search_button->set_icon(get_icon("Search", "EditorIcons"));
			search_box->set_right_icon(get_icon("Search", "EditorIcons"));
			search_box->set_clear_button_enabled(true);

			action_add_error->add_color_override("font_color", get_color("error_color", "Editor"));

			translation_list->connect("button_pressed", callable_mp(this, &ProjectSettingsEditor::_translation_delete));
			_update_actions();
			popup_add->add_icon_item(get_icon("Keyboard", "EditorIcons"), TTR("Key"), INPUT_KEY); //"Key " - because the word 'key' has already been used as a key animation
			popup_add->add_icon_item(get_icon("KeyboardPhysical", "EditorIcons"), TTR("Physical Key"), INPUT_KEY_PHYSICAL);
			popup_add->add_icon_item(get_icon("JoyButton", "EditorIcons"), TTR("Joy Button"), INPUT_JOY_BUTTON);
			popup_add->add_icon_item(get_icon("JoyAxis", "EditorIcons"), TTR("Joy Axis"), INPUT_JOY_MOTION);
			popup_add->add_icon_item(get_icon("Mouse", "EditorIcons"), TTR("Mouse Button"), INPUT_MOUSE_BUTTON);

			List<String> tfn;
			ResourceLoader::get_recognized_extensions_for_type("Translation", &tfn);
			for (List<String>::Element *E = tfn.front(); E; E = E->next()) {

				translation_file_open->add_filter("*." + E->get());
			}

			List<String> rfn;
			ResourceLoader::get_recognized_extensions_for_type("Resource", &rfn);
			for (List<String>::Element *E = rfn.front(); E; E = E->next()) {

				translation_res_file_open->add_filter("*." + E->get());
				translation_res_option_file_open->add_filter("*." + E->get());
			}

			restart_close_button->set_icon(get_icon("Close", "EditorIcons"));
			restart_container->add_style_override("panel", get_stylebox("bg", "Tree"));
			restart_icon->set_texture(get_icon("StatusWarning", "EditorIcons"));
			restart_label->add_color_override("font_color", get_color("warning_color", "Editor"));

		} break;
		case NOTIFICATION_POPUP_HIDE: {
			EditorSettings::get_singleton()->set_project_metadata("dialog_bounds", "project_settings", get_rect());
			set_process_unhandled_input(false);
		} break;
		case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
			search_button->set_icon(get_icon("Search", "EditorIcons"));
			search_box->set_right_icon(get_icon("Search", "EditorIcons"));
			search_box->set_clear_button_enabled(true);
			action_add_error->add_color_override("font_color", get_color("error_color", "Editor"));
			popup_add->set_item_icon(popup_add->get_item_index(INPUT_KEY), get_icon("Keyboard", "EditorIcons"));
			popup_add->set_item_icon(popup_add->get_item_index(INPUT_KEY_PHYSICAL), get_icon("KeyboardPhysical", "EditorIcons"));
			popup_add->set_item_icon(popup_add->get_item_index(INPUT_JOY_BUTTON), get_icon("JoyButton", "EditorIcons"));
			popup_add->set_item_icon(popup_add->get_item_index(INPUT_JOY_MOTION), get_icon("JoyAxis", "EditorIcons"));
			popup_add->set_item_icon(popup_add->get_item_index(INPUT_MOUSE_BUTTON), get_icon("Mouse", "EditorIcons"));
			_update_actions();
		} break;
	}
}

static bool _validate_action_name(const String &p_name) {
	const CharType *cstr = p_name.c_str();
	for (int i = 0; cstr[i]; i++)
		if (cstr[i] == '/' || cstr[i] == ':' || cstr[i] == '"' ||
				cstr[i] == '=' || cstr[i] == '\\' || cstr[i] < 32)
			return false;
	return true;
}

void ProjectSettingsEditor::_action_selected() {

	TreeItem *ti = input_editor->get_selected();
	if (!ti || !ti->is_editable(0))
		return;

	add_at = "input/" + ti->get_text(0);
	edit_idx = -1;
}

void ProjectSettingsEditor::_action_edited() {

	TreeItem *ti = input_editor->get_selected();
	if (!ti)
		return;

	if (input_editor->get_selected_column() == 0) {

		String new_name = ti->get_text(0);
		String old_name = add_at.substr(add_at.find("/") + 1, add_at.length());

		if (new_name == old_name)
			return;

		if (new_name == "" || !_validate_action_name(new_name)) {

			ti->set_text(0, old_name);
			add_at = "input/" + old_name;

			message->set_text(TTR("Invalid action name. it cannot be empty nor contain '/', ':', '=', '\\' or '\"'"));
			message->popup_centered(Size2(300, 100) * EDSCALE);
			return;
		}

		String action_prop = "input/" + new_name;

		if (ProjectSettings::get_singleton()->has_setting(action_prop)) {

			ti->set_text(0, old_name);
			add_at = "input/" + old_name;

			message->set_text(vformat(TTR("An action with the name '%s' already exists."), new_name));
			message->popup_centered(Size2(300, 100) * EDSCALE);
			return;
		}

		int order = ProjectSettings::get_singleton()->get_order(add_at);
		Dictionary action = ProjectSettings::get_singleton()->get(add_at);

		setting = true;
		undo_redo->create_action(TTR("Rename Input Action Event"));
		undo_redo->add_do_method(ProjectSettings::get_singleton(), "clear", add_at);
		undo_redo->add_do_method(ProjectSettings::get_singleton(), "set", action_prop, action);
		undo_redo->add_do_method(ProjectSettings::get_singleton(), "set_order", action_prop, order);
		undo_redo->add_undo_method(ProjectSettings::get_singleton(), "clear", action_prop);
		undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set", add_at, action);
		undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set_order", add_at, order);
		undo_redo->add_do_method(this, "_update_actions");
		undo_redo->add_undo_method(this, "_update_actions");
		undo_redo->add_do_method(this, "_settings_changed");
		undo_redo->add_undo_method(this, "_settings_changed");
		undo_redo->commit_action();
		setting = false;

		add_at = action_prop;
	} else if (input_editor->get_selected_column() == 1) {

		String name = "input/" + ti->get_text(0);
		Dictionary old_action = ProjectSettings::get_singleton()->get(name);
		Dictionary new_action = old_action.duplicate();
		new_action["deadzone"] = ti->get_range(1);

		undo_redo->create_action(TTR("Change Action deadzone"));
		undo_redo->add_do_method(ProjectSettings::get_singleton(), "set", name, new_action);
		undo_redo->add_do_method(this, "_settings_changed");
		undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set", name, old_action);
		undo_redo->add_undo_method(this, "_settings_changed");
		undo_redo->commit_action();
	}
}

void ProjectSettingsEditor::_device_input_add() {

	Ref<InputEvent> ie;
	String name = add_at;
	int idx = edit_idx;
	Dictionary old_val = ProjectSettings::get_singleton()->get(name);
	Dictionary action = old_val.duplicate();
	Array events = action["events"];

	switch (add_type) {

		case INPUT_MOUSE_BUTTON: {

			Ref<InputEventMouseButton> mb;
			mb.instance();
			mb->set_button_index(device_index->get_selected() + 1);
			mb->set_device(_get_current_device());

			for (int i = 0; i < events.size(); i++) {

				Ref<InputEventMouseButton> aie = events[i];
				if (aie.is_null())
					continue;
				if (aie->get_device() == mb->get_device() && aie->get_button_index() == mb->get_button_index()) {
					return;
				}
			}

			ie = mb;

		} break;
		case INPUT_JOY_MOTION: {

			Ref<InputEventJoypadMotion> jm;
			jm.instance();
			jm->set_axis(device_index->get_selected() >> 1);
			jm->set_axis_value((device_index->get_selected() & 1) ? 1 : -1);
			jm->set_device(_get_current_device());

			for (int i = 0; i < events.size(); i++) {

				Ref<InputEventJoypadMotion> aie = events[i];
				if (aie.is_null())
					continue;

				if (aie->get_device() == jm->get_device() && aie->get_axis() == jm->get_axis() && aie->get_axis_value() == jm->get_axis_value()) {
					return;
				}
			}

			ie = jm;

		} break;
		case INPUT_JOY_BUTTON: {

			Ref<InputEventJoypadButton> jb;
			jb.instance();

			jb->set_button_index(device_index->get_selected());
			jb->set_device(_get_current_device());

			for (int i = 0; i < events.size(); i++) {

				Ref<InputEventJoypadButton> aie = events[i];
				if (aie.is_null())
					continue;
				if (aie->get_device() == jb->get_device() && aie->get_button_index() == jb->get_button_index()) {
					return;
				}
			}
			ie = jb;

		} break;
		default: {
		}
	}

	if (idx < 0 || idx >= events.size()) {
		events.push_back(ie);
	} else {
		events[idx] = ie;
	}
	action["events"] = events;

	undo_redo->create_action(TTR("Add Input Action Event"));
	undo_redo->add_do_method(ProjectSettings::get_singleton(), "set", name, action);
	undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set", name, old_val);
	undo_redo->add_do_method(this, "_update_actions");
	undo_redo->add_undo_method(this, "_update_actions");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();

	_show_last_added(ie, name);
}

void ProjectSettingsEditor::_set_current_device(int i_device) {
	device_id->select(i_device + 1);
}

int ProjectSettingsEditor::_get_current_device() {
	return device_id->get_selected() - 1;
}

String ProjectSettingsEditor::_get_device_string(int i_device) {
	if (i_device == InputMap::ALL_DEVICES)
		return TTR("All Devices");
	return TTR("Device") + " " + itos(i_device);
}

void ProjectSettingsEditor::_press_a_key_confirm() {

	if (last_wait_for_key.is_null())
		return;

	Ref<InputEventKey> ie;
	ie.instance();
	if (press_a_key_physical) {
		ie->set_physical_keycode(last_wait_for_key->get_physical_keycode());
		ie->set_keycode(0);
	} else {
		ie->set_physical_keycode(0);
		ie->set_keycode(last_wait_for_key->get_keycode());
	}
	ie->set_shift(last_wait_for_key->get_shift());
	ie->set_alt(last_wait_for_key->get_alt());
	ie->set_control(last_wait_for_key->get_control());
	ie->set_metakey(last_wait_for_key->get_metakey());

	String name = add_at;
	int idx = edit_idx;

	Dictionary old_val = ProjectSettings::get_singleton()->get(name);
	Dictionary action = old_val.duplicate();
	Array events = action["events"];

	for (int i = 0; i < events.size(); i++) {

		Ref<InputEventKey> aie = events[i];
		if (aie.is_null())
			continue;
		if (!press_a_key_physical) {
			if (aie->get_keycode_with_modifiers() == ie->get_keycode_with_modifiers()) {
				return;
			}
		} else {
			if (aie->get_physical_keycode_with_modifiers() == ie->get_physical_keycode_with_modifiers()) {
				return;
			}
		}
	}

	if (idx < 0 || idx >= events.size()) {
		events.push_back(ie);
	} else {
		events[idx] = ie;
	}
	action["events"] = events;

	undo_redo->create_action(TTR("Add Input Action Event"));
	undo_redo->add_do_method(ProjectSettings::get_singleton(), "set", name, action);
	undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set", name, old_val);
	undo_redo->add_do_method(this, "_update_actions");
	undo_redo->add_undo_method(this, "_update_actions");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();

	_show_last_added(ie, name);
}

void ProjectSettingsEditor::_show_last_added(const Ref<InputEvent> &p_event, const String &p_name) {
	TreeItem *r = input_editor->get_root();

	String name = p_name;
	name.erase(0, 6);
	if (!r)
		return;
	r = r->get_children();
	if (!r)
		return;
	bool found = false;
	while (r) {
		if (r->get_text(0) != name) {
			r = r->get_next();
			continue;
		}
		TreeItem *child = r->get_children();
		while (child) {
			Variant input = child->get_meta("__input");
			if (p_event == input) {
				r->set_collapsed(false);
				child->select(0);
				found = true;
				break;
			}
			child = child->get_next();
		}
		if (found) break;
		r = r->get_next();
	}

	if (found) input_editor->ensure_cursor_is_visible();
}

void ProjectSettingsEditor::_wait_for_key(const Ref<InputEvent> &p_event) {

	Ref<InputEventKey> k = p_event;

	if (k.is_valid() && k->is_pressed() && k->get_keycode() != 0) {

		last_wait_for_key = p_event;
		const String str = (press_a_key_physical) ? keycode_get_string(k->get_physical_keycode_with_modifiers()) + TTR(" (Physical)") : keycode_get_string(k->get_keycode_with_modifiers());

		press_a_key_label->set_text(str);
		press_a_key->get_ok()->set_disabled(false);
		press_a_key->accept_event();
	}
}

void ProjectSettingsEditor::_add_item(int p_item, Ref<InputEvent> p_exiting_event) {

	add_type = InputType(p_item);

	switch (add_type) {

		case INPUT_KEY: {

			press_a_key_physical = false;
			press_a_key_label->set_text(TTR("Press a Key..."));
			press_a_key->get_ok()->set_disabled(true);
			last_wait_for_key = Ref<InputEvent>();
			press_a_key->popup_centered(Size2(250, 80) * EDSCALE);
			press_a_key->grab_focus();

		} break;
		case INPUT_KEY_PHYSICAL: {

			press_a_key_physical = true;
			press_a_key_label->set_text(TTR("Press a Key..."));

			last_wait_for_key = Ref<InputEvent>();
			press_a_key->popup_centered(Size2(250, 80) * EDSCALE);
			press_a_key->grab_focus();

		} break;
		case INPUT_MOUSE_BUTTON: {

			device_index_label->set_text(TTR("Mouse Button Index:"));
			device_index->clear();
			device_index->add_item(TTR("Left Button"));
			device_index->add_item(TTR("Right Button"));
			device_index->add_item(TTR("Middle Button"));
			device_index->add_item(TTR("Wheel Up Button"));
			device_index->add_item(TTR("Wheel Down Button"));
			device_index->add_item(TTR("Wheel Left Button"));
			device_index->add_item(TTR("Wheel Right Button"));
			device_index->add_item(TTR("X Button 1"));
			device_index->add_item(TTR("X Button 2"));
			device_input->popup_centered_minsize(Size2(350, 95) * EDSCALE);

			Ref<InputEventMouseButton> mb = p_exiting_event;
			if (mb.is_valid()) {
				device_index->select(mb->get_button_index() - 1);
				_set_current_device(mb->get_device());
				device_input->get_ok()->set_text(TTR("Change"));
			} else {
				_set_current_device(0);
				device_input->get_ok()->set_text(TTR("Add"));
			}

		} break;
		case INPUT_JOY_MOTION: {

			device_index_label->set_text(TTR("Joypad Axis Index:"));
			device_index->clear();
			for (int i = 0; i < JOY_AXIS_MAX * 2; i++) {

				String desc = _axis_names[i];
				device_index->add_item(TTR("Axis") + " " + itos(i / 2) + " " + ((i & 1) ? "+" : "-") + desc);
			}
			device_input->popup_centered_minsize(Size2(350, 95) * EDSCALE);

			Ref<InputEventJoypadMotion> jm = p_exiting_event;
			if (jm.is_valid()) {
				device_index->select(jm->get_axis() * 2 + (jm->get_axis_value() > 0 ? 1 : 0));
				_set_current_device(jm->get_device());
				device_input->get_ok()->set_text(TTR("Change"));
			} else {
				_set_current_device(0);
				device_input->get_ok()->set_text(TTR("Add"));
			}

		} break;
		case INPUT_JOY_BUTTON: {

			device_index_label->set_text(TTR("Joypad Button Index:"));
			device_index->clear();

			for (int i = 0; i < JOY_BUTTON_MAX; i++) {

				device_index->add_item(itos(i) + ": " + String(_button_names[i]));
			}
			device_input->popup_centered_minsize(Size2(350, 95) * EDSCALE);

			Ref<InputEventJoypadButton> jb = p_exiting_event;
			if (jb.is_valid()) {
				device_index->select(jb->get_button_index());
				_set_current_device(jb->get_device());
				device_input->get_ok()->set_text(TTR("Change"));
			} else {
				_set_current_device(0);
				device_input->get_ok()->set_text(TTR("Add"));
			}

		} break;
		default: {
		}
	}
}

void ProjectSettingsEditor::_edit_item(Ref<InputEvent> p_exiting_event) {

	InputType ie_type;

	if ((Ref<InputEventKey>(p_exiting_event)).is_valid()) {
		if ((Ref<InputEventKey>(p_exiting_event))->get_keycode() != 0) {
			ie_type = INPUT_KEY;
		} else {
			ie_type = INPUT_KEY_PHYSICAL;
		}

	} else if ((Ref<InputEventJoypadButton>(p_exiting_event)).is_valid()) {
		ie_type = INPUT_JOY_BUTTON;

	} else if ((Ref<InputEventMouseButton>(p_exiting_event)).is_valid()) {
		ie_type = INPUT_MOUSE_BUTTON;

	} else if ((Ref<InputEventJoypadMotion>(p_exiting_event)).is_valid()) {
		ie_type = INPUT_JOY_MOTION;

	} else {
		return;
	}

	_add_item(ie_type, p_exiting_event);
}
void ProjectSettingsEditor::_action_activated() {

	TreeItem *ti = input_editor->get_selected();

	if (!ti || ti->get_parent() == input_editor->get_root())
		return;

	String name = "input/" + ti->get_parent()->get_text(0);
	int idx = ti->get_metadata(0);
	Dictionary action = ProjectSettings::get_singleton()->get(name);
	Array events = action["events"];

	ERR_FAIL_INDEX(idx, events.size());
	Ref<InputEvent> event = events[idx];
	if (event.is_null())
		return;

	add_at = name;
	edit_idx = idx;
	_edit_item(event);
}

void ProjectSettingsEditor::_action_button_pressed(Object *p_obj, int p_column, int p_id) {

	TreeItem *ti = Object::cast_to<TreeItem>(p_obj);

	ERR_FAIL_COND(!ti);

	if (p_id == 1) {
		// Add action event
		Point2 ofs = input_editor->get_global_position();
		Rect2 ir = input_editor->get_item_rect(ti);
		ir.position.y -= input_editor->get_scroll().y;
		ofs += ir.position + ir.size;
		ofs.x -= 100;
		popup_add->set_position(ofs);
		popup_add->popup();
		add_at = "input/" + ti->get_text(0);
		edit_idx = -1;

	} else if (p_id == 2) {
		// Remove

		if (ti->get_parent() == input_editor->get_root()) {
			// Remove action
			String name = "input/" + ti->get_text(0);
			Dictionary old_val = ProjectSettings::get_singleton()->get(name);
			int order = ProjectSettings::get_singleton()->get_order(name);

			undo_redo->create_action(TTR("Erase Input Action"));
			undo_redo->add_do_method(ProjectSettings::get_singleton(), "clear", name);
			undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set", name, old_val);
			undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set_order", name, order);
			undo_redo->add_do_method(this, "_update_actions");
			undo_redo->add_undo_method(this, "_update_actions");
			undo_redo->add_do_method(this, "_settings_changed");
			undo_redo->add_undo_method(this, "_settings_changed");
			undo_redo->commit_action();

		} else {
			// Remove action event
			String name = "input/" + ti->get_parent()->get_text(0);
			Dictionary old_val = ProjectSettings::get_singleton()->get(name);
			Dictionary action = old_val.duplicate();
			int idx = ti->get_metadata(0);

			Array events = action["events"];
			ERR_FAIL_INDEX(idx, events.size());
			events.remove(idx);
			action["events"] = events;

			undo_redo->create_action(TTR("Erase Input Action Event"));
			undo_redo->add_do_method(ProjectSettings::get_singleton(), "set", name, action);
			undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set", name, old_val);
			undo_redo->add_do_method(this, "_update_actions");
			undo_redo->add_undo_method(this, "_update_actions");
			undo_redo->add_do_method(this, "_settings_changed");
			undo_redo->add_undo_method(this, "_settings_changed");
			undo_redo->commit_action();
		}
	} else if (p_id == 3) {
		// Edit

		if (ti->get_parent() == input_editor->get_root()) {
			// Edit action name
			ti->set_as_cursor(0);
			input_editor->edit_selected();

		} else {
			// Edit action event
			String name = "input/" + ti->get_parent()->get_text(0);
			int idx = ti->get_metadata(0);
			Dictionary action = ProjectSettings::get_singleton()->get(name);

			Array events = action["events"];
			ERR_FAIL_INDEX(idx, events.size());

			Ref<InputEvent> event = events[idx];

			if (event.is_null())
				return;

			ti->set_as_cursor(0);
			add_at = name;
			edit_idx = idx;
			_edit_item(event);
		}
	}
}

void ProjectSettingsEditor::_update_actions() {

	if (setting)
		return;

	Map<String, bool> collapsed;

	if (input_editor->get_root() && input_editor->get_root()->get_children()) {
		for (TreeItem *item = input_editor->get_root()->get_children(); item; item = item->get_next()) {
			collapsed[item->get_text(0)] = item->is_collapsed();
		}
	}

	input_editor->clear();
	TreeItem *root = input_editor->create_item();
	input_editor->set_hide_root(true);

	List<PropertyInfo> props;
	ProjectSettings::get_singleton()->get_property_list(&props);

	for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {

		const PropertyInfo &pi = E->get();
		if (!pi.name.begins_with("input/"))
			continue;

		String name = pi.name.get_slice("/", 1);
		if (name == "")
			continue;

		Dictionary action = ProjectSettings::get_singleton()->get(pi.name);
		Array events = action["events"];

		TreeItem *item = input_editor->create_item(root);
		item->set_text(0, name);
		item->set_custom_bg_color(0, get_color("prop_subsection", "Editor"));
		if (collapsed.has(name))
			item->set_collapsed(collapsed[name]);

		item->set_editable(1, true);
		item->set_cell_mode(1, TreeItem::CELL_MODE_RANGE);
		item->set_range_config(1, 0.0, 1.0, 0.01);
		item->set_range(1, action["deadzone"]);
		item->set_custom_bg_color(1, get_color("prop_subsection", "Editor"));

		const bool is_builtin_input = ProjectSettings::get_singleton()->get_input_presets().find(pi.name) != NULL;
		const String tooltip = is_builtin_input ? TTR("Built-in actions can't be removed as they're used for UI navigation.") : TTR("Remove");
		item->add_button(2, get_icon("Add", "EditorIcons"), 1, false, TTR("Add Event"));
		item->add_button(2, get_icon("Remove", "EditorIcons"), 2, false, tooltip);

		if (is_builtin_input) {
			// Built-in action (like `ui_up`). Make the action not removable,
			// but still display the button so the "Add" button is at the same
			// horizontal position as for custom actions.
			item->set_button_disabled(2, 1, true);
		} else {
			// Not a built-in action. Make the action name editable.
			item->set_editable(0, true);
		}

		for (int i = 0; i < events.size(); i++) {

			Ref<InputEvent> event = events[i];
			if (event.is_null())
				continue;

			TreeItem *action2 = input_editor->create_item(item);

			Ref<InputEventKey> k = event;
			if (k.is_valid()) {

				const String str = (k->get_keycode() == 0) ? keycode_get_string(k->get_physical_keycode_with_modifiers()) + TTR(" (Physical)") : keycode_get_string(k->get_keycode_with_modifiers());

				action2->set_text(0, str);
				if ((k->get_keycode() != 0)) {
					action2->set_icon(0, get_icon("Keyboard", "EditorIcons"));
				} else {
					action2->set_icon(0, get_icon("KeyboardPhysical", "EditorIcons"));
				}
			}

			Ref<InputEventJoypadButton> jb = event;

			if (jb.is_valid()) {

				String str = _get_device_string(jb->get_device()) + ", " + TTR("Button") + " " + itos(jb->get_button_index());
				if (jb->get_button_index() >= 0 && jb->get_button_index() < JOY_BUTTON_MAX) {
					str += String() + " (" + _button_names[jb->get_button_index()] + ")";
				}

				action2->set_text(0, str);
				action2->set_icon(0, get_icon("JoyButton", "EditorIcons"));
			}

			Ref<InputEventMouseButton> mb = event;

			if (mb.is_valid()) {
				String str = _get_device_string(mb->get_device()) + ", ";
				switch (mb->get_button_index()) {
					case BUTTON_LEFT: str += TTR("Left Button"); break;
					case BUTTON_RIGHT: str += TTR("Right Button"); break;
					case BUTTON_MIDDLE: str += TTR("Middle Button"); break;
					case BUTTON_WHEEL_UP: str += TTR("Wheel Up"); break;
					case BUTTON_WHEEL_DOWN: str += TTR("Wheel Down"); break;
					default: str += vformat(TTR("%d Button"), mb->get_button_index());
				}

				action2->set_text(0, str);
				action2->set_icon(0, get_icon("Mouse", "EditorIcons"));
			}

			Ref<InputEventJoypadMotion> jm = event;

			if (jm.is_valid()) {

				int ax = jm->get_axis();
				int n = 2 * ax + (jm->get_axis_value() < 0 ? 0 : 1);
				String desc = _axis_names[n];
				String str = _get_device_string(jm->get_device()) + ", " + TTR("Axis") + " " + itos(ax) + " " + (jm->get_axis_value() < 0 ? "-" : "+") + desc;
				action2->set_text(0, str);
				action2->set_icon(0, get_icon("JoyAxis", "EditorIcons"));
			}
			action2->set_metadata(0, i);
			action2->set_meta("__input", event);

			action2->add_button(2, get_icon("Edit", "EditorIcons"), 3, false, TTR("Edit"));
			action2->add_button(2, get_icon("Remove", "EditorIcons"), 2, false, TTR("Remove"));
			// Fade out the individual event buttons slightly to make the
			// Add/Remove buttons stand out more.
			action2->set_button_color(2, 0, Color(1, 1, 1, 0.75));
			action2->set_button_color(2, 1, Color(1, 1, 1, 0.75));
		}
	}

	_action_check(action_name->get_text());
}

void ProjectSettingsEditor::popup_project_settings() {

	// Restore valid window bounds or pop up at default size.
	Rect2 saved_size = EditorSettings::get_singleton()->get_project_metadata("dialog_bounds", "project_settings", Rect2());
	if (saved_size != Rect2()) {
		popup(saved_size);
	} else {
		popup_centered_clamped(Size2(900, 700) * EDSCALE, 0.8);
	}

	globals_editor->update_category_list();
	_update_translations();
	autoload_settings->update_autoload();
	plugin_settings->update_plugins();
	set_process_unhandled_input(true);
}

void ProjectSettingsEditor::update_plugins() {
	plugin_settings->update_plugins();
}

void ProjectSettingsEditor::_item_selected(const String &p_path) {

	const String &selected_path = p_path;
	if (selected_path == String())
		return;
	category->set_text(globals_editor->get_current_section());
	property->set_text(selected_path);
	popup_copy_to_feature->set_disabled(false);
}

void ProjectSettingsEditor::_item_adds(String) {

	_item_add();
}

void ProjectSettingsEditor::_item_add() {

	// Initialize the property with the default value for the given type.
	// The type list starts at 1 (as we exclude Nil), so add 1 to the selected value.
	Callable::CallError ce;
	const Variant value = Variant::construct(Variant::Type(type->get_selected() + 1), NULL, 0, ce);

	String catname = category->get_text().strip_edges();
	String propname = property->get_text().strip_edges();

	if (propname.empty()) {
		return;
	}

	if (catname.empty()) {
		catname = "global";
	}

	String name = catname + "/" + propname;

	undo_redo->create_action(TTR("Add Global Property"));

	undo_redo->add_do_property(ProjectSettings::get_singleton(), name, value);

	if (ProjectSettings::get_singleton()->has_setting(name)) {
		undo_redo->add_undo_property(ProjectSettings::get_singleton(), name, ProjectSettings::get_singleton()->get(name));
	} else {
		undo_redo->add_undo_property(ProjectSettings::get_singleton(), name, Variant());
	}

	undo_redo->add_do_method(globals_editor, "update_category_list");
	undo_redo->add_undo_method(globals_editor, "update_category_list");

	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");

	undo_redo->commit_action();

	globals_editor->set_current_section(catname);

	_settings_changed();
}

void ProjectSettingsEditor::_item_del() {

	String path = globals_editor->get_inspector()->get_selected_path();
	if (path == String()) {
		EditorNode::get_singleton()->show_warning(TTR("Select a setting item first!"));
		return;
	}

	String property = globals_editor->get_current_section().plus_file(path);

	if (!ProjectSettings::get_singleton()->has_setting(property)) {
		EditorNode::get_singleton()->show_warning(vformat(TTR("No property '%s' exists."), property));
		return;
	}

	if (ProjectSettings::get_singleton()->get_order(property) < ProjectSettings::NO_BUILTIN_ORDER_BASE) {
		EditorNode::get_singleton()->show_warning(vformat(TTR("Setting '%s' is internal, and it can't be deleted."), property));
		return;
	}

	undo_redo->create_action(TTR("Delete Item"));

	Variant value = ProjectSettings::get_singleton()->get(property);
	int order = ProjectSettings::get_singleton()->get_order(property);

	undo_redo->add_do_method(ProjectSettings::get_singleton(), "clear", property);
	undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set", property, value);
	undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set_order", property, order);

	undo_redo->add_do_method(globals_editor, "update_category_list");
	undo_redo->add_undo_method(globals_editor, "update_category_list");

	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");

	undo_redo->commit_action();
}

void ProjectSettingsEditor::_action_check(String p_action) {

	if (p_action == "") {

		action_add->set_disabled(true);
	} else {

		if (!_validate_action_name(p_action)) {

			action_add_error->set_text(TTR("Invalid action name. It cannot be empty nor contain '/', ':', '=', '\\' or '\"'."));
			action_add_error->show();
			action_add->set_disabled(true);
			return;
		}
		if (ProjectSettings::get_singleton()->has_setting("input/" + p_action)) {

			action_add_error->set_text(vformat(TTR("An action with the name '%s' already exists."), p_action));
			action_add_error->show();
			action_add->set_disabled(true);
			return;
		}

		action_add->set_disabled(false);
	}

	action_add_error->hide();
}

void ProjectSettingsEditor::_action_adds(String) {

	if (!action_add->is_disabled()) {
		_action_add();
	}
}

void ProjectSettingsEditor::_action_add() {

	Dictionary action;
	action["events"] = Array();
	action["deadzone"] = 0.5f;
	String name = "input/" + action_name->get_text();
	undo_redo->create_action(TTR("Add Input Action"));
	undo_redo->add_do_method(ProjectSettings::get_singleton(), "set", name, action);
	undo_redo->add_undo_method(ProjectSettings::get_singleton(), "clear", name);
	undo_redo->add_do_method(this, "_update_actions");
	undo_redo->add_undo_method(this, "_update_actions");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();

	TreeItem *r = input_editor->get_root();

	if (!r)
		return;
	r = r->get_children();
	if (!r)
		return;
	while (r->get_next())
		r = r->get_next();

	r->select(0);
	input_editor->ensure_cursor_is_visible();
	action_add_error->hide();
	action_name->clear();
}

void ProjectSettingsEditor::_item_checked(const String &p_item, bool p_check) {
}

void ProjectSettingsEditor::_save() {

	Error err = ProjectSettings::get_singleton()->save();
	message->set_text(err != OK ? TTR("Error saving settings.") : TTR("Settings saved OK."));
	message->popup_centered(Size2(300, 100) * EDSCALE);
}

void ProjectSettingsEditor::_settings_prop_edited(const String &p_name) {

	// Method needed to discard the mandatory argument of the property_edited signal
	_settings_changed();
}

void ProjectSettingsEditor::_settings_changed() {

	timer->start();
}

void ProjectSettingsEditor::queue_save() {
	_settings_changed();
}

void ProjectSettingsEditor::_copy_to_platform_about_to_show() {

	Set<String> presets;

	presets.insert("bptc");
	presets.insert("s3tc");
	presets.insert("etc");
	presets.insert("etc2");
	presets.insert("pvrtc");
	presets.insert("debug");
	presets.insert("release");
	presets.insert("editor");
	presets.insert("standalone");
	presets.insert("32");
	presets.insert("64");
	// Not available as an export platform yet, so it needs to be added manually
	presets.insert("Server");

	for (int i = 0; i < EditorExport::get_singleton()->get_export_platform_count(); i++) {
		List<String> p;
		EditorExport::get_singleton()->get_export_platform(i)->get_platform_features(&p);
		for (List<String>::Element *E = p.front(); E; E = E->next()) {
			presets.insert(E->get());
		}
	}

	for (int i = 0; i < EditorExport::get_singleton()->get_export_preset_count(); i++) {

		List<String> p;
		EditorExport::get_singleton()->get_export_preset(i)->get_platform()->get_preset_features(EditorExport::get_singleton()->get_export_preset(i), &p);
		for (List<String>::Element *E = p.front(); E; E = E->next()) {
			presets.insert(E->get());
		}

		String custom = EditorExport::get_singleton()->get_export_preset(i)->get_custom_features();
		Vector<String> custom_list = custom.split(",");
		for (int j = 0; j < custom_list.size(); j++) {
			String f = custom_list[j].strip_edges();
			if (f != String()) {
				presets.insert(f);
			}
		}
	}

	popup_copy_to_feature->get_popup()->clear();
	int id = 0;
	for (Set<String>::Element *E = presets.front(); E; E = E->next()) {
		popup_copy_to_feature->get_popup()->add_item(E->get(), id++);
	}
}

Variant ProjectSettingsEditor::get_drag_data_fw(const Point2 &p_point, Control *p_from) {

	TreeItem *selected = input_editor->get_selected();
	if (!selected || selected->get_parent() != input_editor->get_root())
		return Variant();

	String name = selected->get_text(0);
	VBoxContainer *vb = memnew(VBoxContainer);
	HBoxContainer *hb = memnew(HBoxContainer);
	Label *label = memnew(Label(name));
	hb->set_modulate(Color(1, 1, 1, 1.0f));
	hb->add_child(label);
	vb->add_child(hb);
	set_drag_preview(vb);

	Dictionary drag_data;
	drag_data["type"] = "nodes";

	input_editor->set_drop_mode_flags(Tree::DROP_MODE_INBETWEEN);

	return drag_data;
}

bool ProjectSettingsEditor::can_drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) const {

	Dictionary d = p_data;
	if (!d.has("type") || d["type"] != "nodes")
		return false;

	TreeItem *selected = input_editor->get_selected();
	TreeItem *item = input_editor->get_item_at_position(p_point);
	if (!selected || !item || item == selected || item->get_parent() == selected)
		return false;

	return true;
}

void ProjectSettingsEditor::drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) {

	if (!can_drop_data_fw(p_point, p_data, p_from))
		return;

	TreeItem *selected = input_editor->get_selected();
	TreeItem *item = input_editor->get_item_at_position(p_point);
	if (!item)
		return;
	TreeItem *target = item->get_parent() == input_editor->get_root() ? item : item->get_parent();

	String selected_name = "input/" + selected->get_text(0);
	int old_order = ProjectSettings::get_singleton()->get_order(selected_name);
	String target_name = "input/" + target->get_text(0);
	int target_order = ProjectSettings::get_singleton()->get_order(target_name);

	int order = old_order;
	bool is_below = target_order > old_order;
	TreeItem *iterator = is_below ? selected->get_next() : selected->get_prev();

	undo_redo->create_action(TTR("Moved Input Action Event"));
	while (iterator != target) {

		String iterator_name = "input/" + iterator->get_text(0);
		int iterator_order = ProjectSettings::get_singleton()->get_order(iterator_name);
		undo_redo->add_do_method(ProjectSettings::get_singleton(), "set_order", iterator_name, order);
		undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set_order", iterator_name, iterator_order);
		order = iterator_order;
		iterator = is_below ? iterator->get_next() : iterator->get_prev();
	}

	undo_redo->add_do_method(ProjectSettings::get_singleton(), "set_order", target_name, order);
	undo_redo->add_do_method(ProjectSettings::get_singleton(), "set_order", selected_name, target_order);
	undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set_order", target_name, target_order);
	undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set_order", selected_name, old_order);

	undo_redo->add_do_method(this, "_update_actions");
	undo_redo->add_undo_method(this, "_update_actions");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();
}

void ProjectSettingsEditor::_copy_to_platform(int p_which) {

	String path = globals_editor->get_inspector()->get_selected_path();
	if (path == String()) {
		EditorNode::get_singleton()->show_warning(TTR("Select a setting item first!"));
		return;
	}

	String property = globals_editor->get_current_section().plus_file(path);

	undo_redo->create_action(TTR("Override for Feature"));

	Variant value = ProjectSettings::get_singleton()->get(property);
	if (property.find(".") != -1) { //overwriting overwrite, keep overwrite
		undo_redo->add_do_method(ProjectSettings::get_singleton(), "clear", property);
		undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set", property, value);
	}

	String feature = popup_copy_to_feature->get_popup()->get_item_text(p_which);
	String new_path = property + "." + feature;

	undo_redo->add_do_method(ProjectSettings::get_singleton(), "set", new_path, value);
	if (ProjectSettings::get_singleton()->has_setting(new_path)) {
		undo_redo->add_undo_method(ProjectSettings::get_singleton(), "set", new_path, ProjectSettings::get_singleton()->get(new_path));
	}

	undo_redo->add_do_method(globals_editor, "update_category_list");
	undo_redo->add_undo_method(globals_editor, "update_category_list");

	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");

	undo_redo->commit_action();
}

void ProjectSettingsEditor::add_translation(const String &p_translation) {

	_translation_add(p_translation);
}

void ProjectSettingsEditor::_translation_add(const String &p_path) {

	PackedStringArray translations = ProjectSettings::get_singleton()->get("locale/translations");

	for (int i = 0; i < translations.size(); i++) {

		if (translations[i] == p_path)
			return; //exists
	}

	translations.push_back(p_path);
	undo_redo->create_action(TTR("Add Translation"));
	undo_redo->add_do_property(ProjectSettings::get_singleton(), "locale/translations", translations);
	undo_redo->add_undo_property(ProjectSettings::get_singleton(), "locale/translations", ProjectSettings::get_singleton()->get("locale/translations"));
	undo_redo->add_do_method(this, "_update_translations");
	undo_redo->add_undo_method(this, "_update_translations");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();
}

void ProjectSettingsEditor::_translation_file_open() {

	translation_file_open->popup_centered_ratio();
}

void ProjectSettingsEditor::_translation_delete(Object *p_item, int p_column, int p_button) {

	TreeItem *ti = Object::cast_to<TreeItem>(p_item);
	ERR_FAIL_COND(!ti);

	int idx = ti->get_metadata(0);

	PackedStringArray translations = ProjectSettings::get_singleton()->get("locale/translations");

	ERR_FAIL_INDEX(idx, translations.size());

	translations.remove(idx);

	undo_redo->create_action(TTR("Remove Translation"));
	undo_redo->add_do_property(ProjectSettings::get_singleton(), "locale/translations", translations);
	undo_redo->add_undo_property(ProjectSettings::get_singleton(), "locale/translations", ProjectSettings::get_singleton()->get("locale/translations"));
	undo_redo->add_do_method(this, "_update_translations");
	undo_redo->add_undo_method(this, "_update_translations");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();
}

void ProjectSettingsEditor::_translation_res_file_open() {

	translation_res_file_open->popup_centered_ratio();
}

void ProjectSettingsEditor::_translation_res_add(const String &p_path) {

	Variant prev;
	Dictionary remaps;

	if (ProjectSettings::get_singleton()->has_setting("locale/translation_remaps")) {
		remaps = ProjectSettings::get_singleton()->get("locale/translation_remaps");
		prev = remaps;
	}

	if (remaps.has(p_path))
		return; //pointless already has it

	remaps[p_path] = PackedStringArray();

	undo_redo->create_action(TTR("Add Remapped Path"));
	undo_redo->add_do_property(ProjectSettings::get_singleton(), "locale/translation_remaps", remaps);
	undo_redo->add_undo_property(ProjectSettings::get_singleton(), "locale/translation_remaps", prev);
	undo_redo->add_do_method(this, "_update_translations");
	undo_redo->add_undo_method(this, "_update_translations");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();
}

void ProjectSettingsEditor::_translation_res_option_file_open() {

	translation_res_option_file_open->popup_centered_ratio();
}
void ProjectSettingsEditor::_translation_res_option_add(const String &p_path) {

	ERR_FAIL_COND(!ProjectSettings::get_singleton()->has_setting("locale/translation_remaps"));

	Dictionary remaps = ProjectSettings::get_singleton()->get("locale/translation_remaps");

	TreeItem *k = translation_remap->get_selected();
	ERR_FAIL_COND(!k);

	String key = k->get_metadata(0);

	ERR_FAIL_COND(!remaps.has(key));
	PackedStringArray r = remaps[key];
	r.push_back(p_path + ":" + "en");
	remaps[key] = r;

	undo_redo->create_action(TTR("Resource Remap Add Remap"));
	undo_redo->add_do_property(ProjectSettings::get_singleton(), "locale/translation_remaps", remaps);
	undo_redo->add_undo_property(ProjectSettings::get_singleton(), "locale/translation_remaps", ProjectSettings::get_singleton()->get("locale/translation_remaps"));
	undo_redo->add_do_method(this, "_update_translations");
	undo_redo->add_undo_method(this, "_update_translations");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();
}

void ProjectSettingsEditor::_translation_res_select() {

	if (updating_translations)
		return;

	call_deferred("_update_translations");
}

void ProjectSettingsEditor::_translation_res_option_changed() {

	if (updating_translations)
		return;

	if (!ProjectSettings::get_singleton()->has_setting("locale/translation_remaps"))
		return;

	Dictionary remaps = ProjectSettings::get_singleton()->get("locale/translation_remaps");

	TreeItem *k = translation_remap->get_selected();
	ERR_FAIL_COND(!k);
	TreeItem *ed = translation_remap_options->get_edited();
	ERR_FAIL_COND(!ed);

	String key = k->get_metadata(0);
	int idx = ed->get_metadata(0);
	String path = ed->get_metadata(1);
	int which = ed->get_range(1);

	Vector<String> langs = TranslationServer::get_all_locales();

	ERR_FAIL_INDEX(which, langs.size());

	ERR_FAIL_COND(!remaps.has(key));
	PackedStringArray r = remaps[key];
	ERR_FAIL_INDEX(idx, r.size());
	if (translation_locales_idxs_remap.size() > which) {
		r.set(idx, path + ":" + langs[translation_locales_idxs_remap[which]]);
	} else {
		r.set(idx, path + ":" + langs[which]);
	}
	remaps[key] = r;

	updating_translations = true;
	undo_redo->create_action(TTR("Change Resource Remap Language"));
	undo_redo->add_do_property(ProjectSettings::get_singleton(), "locale/translation_remaps", remaps);
	undo_redo->add_undo_property(ProjectSettings::get_singleton(), "locale/translation_remaps", ProjectSettings::get_singleton()->get("locale/translation_remaps"));
	undo_redo->add_do_method(this, "_update_translations");
	undo_redo->add_undo_method(this, "_update_translations");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();
	updating_translations = false;
}

void ProjectSettingsEditor::_translation_res_delete(Object *p_item, int p_column, int p_button) {

	if (updating_translations)
		return;

	if (!ProjectSettings::get_singleton()->has_setting("locale/translation_remaps"))
		return;

	Dictionary remaps = ProjectSettings::get_singleton()->get("locale/translation_remaps");

	TreeItem *k = Object::cast_to<TreeItem>(p_item);

	String key = k->get_metadata(0);
	ERR_FAIL_COND(!remaps.has(key));

	remaps.erase(key);

	undo_redo->create_action(TTR("Remove Resource Remap"));
	undo_redo->add_do_property(ProjectSettings::get_singleton(), "locale/translation_remaps", remaps);
	undo_redo->add_undo_property(ProjectSettings::get_singleton(), "locale/translation_remaps", ProjectSettings::get_singleton()->get("locale/translation_remaps"));
	undo_redo->add_do_method(this, "_update_translations");
	undo_redo->add_undo_method(this, "_update_translations");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();
}

void ProjectSettingsEditor::_translation_res_option_delete(Object *p_item, int p_column, int p_button) {

	if (updating_translations)
		return;

	if (!ProjectSettings::get_singleton()->has_setting("locale/translation_remaps"))
		return;

	Dictionary remaps = ProjectSettings::get_singleton()->get("locale/translation_remaps");

	TreeItem *k = translation_remap->get_selected();
	ERR_FAIL_COND(!k);
	TreeItem *ed = Object::cast_to<TreeItem>(p_item);
	ERR_FAIL_COND(!ed);

	String key = k->get_metadata(0);
	int idx = ed->get_metadata(0);

	ERR_FAIL_COND(!remaps.has(key));
	PackedStringArray r = remaps[key];
	ERR_FAIL_INDEX(idx, r.size());
	r.remove(idx);
	remaps[key] = r;

	undo_redo->create_action(TTR("Remove Resource Remap Option"));
	undo_redo->add_do_property(ProjectSettings::get_singleton(), "locale/translation_remaps", remaps);
	undo_redo->add_undo_property(ProjectSettings::get_singleton(), "locale/translation_remaps", ProjectSettings::get_singleton()->get("locale/translation_remaps"));
	undo_redo->add_do_method(this, "_update_translations");
	undo_redo->add_undo_method(this, "_update_translations");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();
}

void ProjectSettingsEditor::_translation_filter_option_changed() {

	int sel_id = translation_locale_filter_mode->get_selected_id();
	TreeItem *t = translation_filter->get_edited();
	String locale = t->get_tooltip(0);
	bool checked = t->is_checked(0);

	Variant prev;
	Array f_locales_all;

	if (ProjectSettings::get_singleton()->has_setting("locale/locale_filter")) {
		f_locales_all = ProjectSettings::get_singleton()->get("locale/locale_filter");
		prev = f_locales_all;

		if (f_locales_all.size() != 2) {
			f_locales_all.clear();
			f_locales_all.append(sel_id);
			f_locales_all.append(Array());
		}
	} else {
		f_locales_all.append(sel_id);
		f_locales_all.append(Array());
	}

	Array f_locales = f_locales_all[1];
	int l_idx = f_locales.find(locale);

	if (checked) {
		if (l_idx == -1) {
			f_locales.append(locale);
		}
	} else {
		if (l_idx != -1) {
			f_locales.remove(l_idx);
		}
	}

	f_locales = f_locales.sort();

	undo_redo->create_action(TTR("Changed Locale Filter"));
	undo_redo->add_do_property(ProjectSettings::get_singleton(), "locale/locale_filter", f_locales_all);
	undo_redo->add_undo_property(ProjectSettings::get_singleton(), "locale/locale_filter", prev);
	undo_redo->add_do_method(this, "_update_translations");
	undo_redo->add_undo_method(this, "_update_translations");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();
}

void ProjectSettingsEditor::_translation_filter_mode_changed(int p_mode) {

	int sel_id = translation_locale_filter_mode->get_selected_id();

	Variant prev;
	Array f_locales_all;

	if (ProjectSettings::get_singleton()->has_setting("locale/locale_filter")) {
		f_locales_all = ProjectSettings::get_singleton()->get("locale/locale_filter");
		prev = f_locales_all;

		if (f_locales_all.size() != 2) {
			f_locales_all.clear();
			f_locales_all.append(sel_id);
			f_locales_all.append(Array());
		} else {
			f_locales_all[0] = sel_id;
		}
	} else {
		f_locales_all.append(sel_id);
		f_locales_all.append(Array());
	}

	undo_redo->create_action(TTR("Changed Locale Filter Mode"));
	undo_redo->add_do_property(ProjectSettings::get_singleton(), "locale/locale_filter", f_locales_all);
	undo_redo->add_undo_property(ProjectSettings::get_singleton(), "locale/locale_filter", prev);
	undo_redo->add_do_method(this, "_update_translations");
	undo_redo->add_undo_method(this, "_update_translations");
	undo_redo->add_do_method(this, "_settings_changed");
	undo_redo->add_undo_method(this, "_settings_changed");
	undo_redo->commit_action();
}

void ProjectSettingsEditor::_update_translations() {

	//update translations

	if (updating_translations)
		return;

	updating_translations = true;

	translation_list->clear();
	TreeItem *root = translation_list->create_item(NULL);
	translation_list->set_hide_root(true);
	if (ProjectSettings::get_singleton()->has_setting("locale/translations")) {

		PackedStringArray translations = ProjectSettings::get_singleton()->get("locale/translations");
		for (int i = 0; i < translations.size(); i++) {

			TreeItem *t = translation_list->create_item(root);
			t->set_editable(0, false);
			t->set_text(0, translations[i].replace_first("res://", ""));
			t->set_tooltip(0, translations[i]);
			t->set_metadata(0, i);
			t->add_button(0, get_icon("Remove", "EditorIcons"), 0, false, TTR("Remove"));
		}
	}

	Vector<String> langs = TranslationServer::get_all_locales();
	Vector<String> names = TranslationServer::get_all_locale_names();

	//update filter tab
	Array l_filter_all;

	bool is_arr_empty = true;
	if (ProjectSettings::get_singleton()->has_setting("locale/locale_filter")) {

		l_filter_all = ProjectSettings::get_singleton()->get("locale/locale_filter");

		if (l_filter_all.size() == 2) {

			translation_locale_filter_mode->select(l_filter_all[0]);
			is_arr_empty = false;
		}
	}
	if (is_arr_empty) {

		l_filter_all.append(0);
		l_filter_all.append(Array());
		translation_locale_filter_mode->select(0);
	}

	int filter_mode = l_filter_all[0];
	Array l_filter = l_filter_all[1];

	int s = names.size();
	bool is_short_list_when_show_all_selected = filter_mode == SHOW_ALL_LOCALES && translation_filter_treeitems.size() < s;
	bool is_full_list_when_show_only_selected = filter_mode == SHOW_ONLY_SELECTED_LOCALES && translation_filter_treeitems.size() == s;
	bool should_recreate_locales_list = is_short_list_when_show_all_selected || is_full_list_when_show_only_selected;

	if (!translation_locales_list_created || should_recreate_locales_list) {

		translation_locales_list_created = true;
		translation_filter->clear();
		root = translation_filter->create_item(NULL);
		translation_filter->set_hide_root(true);
		translation_filter_treeitems.clear();
		for (int i = 0; i < s; i++) {
			String n = names[i];
			String l = langs[i];
			bool is_checked = l_filter.has(l);
			if (filter_mode == SHOW_ONLY_SELECTED_LOCALES && !is_checked) continue;

			TreeItem *t = translation_filter->create_item(root);
			t->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
			t->set_text(0, n);
			t->set_editable(0, true);
			t->set_tooltip(0, l);
			t->set_checked(0, is_checked);
			translation_filter_treeitems.push_back(t);
		}
	} else {
		for (int i = 0; i < translation_filter_treeitems.size(); i++) {
			TreeItem *t = translation_filter_treeitems[i];
			t->set_checked(0, l_filter.has(t->get_tooltip(0)));
		}
	}

	//update translation remaps

	String remap_selected;
	if (translation_remap->get_selected()) {
		remap_selected = translation_remap->get_selected()->get_metadata(0);
	}

	translation_remap->clear();
	translation_remap_options->clear();
	root = translation_remap->create_item(NULL);
	TreeItem *root2 = translation_remap_options->create_item(NULL);
	translation_remap->set_hide_root(true);
	translation_remap_options->set_hide_root(true);
	translation_res_option_add_button->set_disabled(true);

	translation_locales_idxs_remap.clear();
	translation_locales_idxs_remap.resize(l_filter.size());
	int fl_idx_count = translation_locales_idxs_remap.size();

	String langnames = "";
	int l_idx = 0;
	for (int i = 0; i < names.size(); i++) {

		if (filter_mode == SHOW_ONLY_SELECTED_LOCALES && fl_idx_count != 0) {
			if (l_filter.size() > 0) {

				if (l_filter.find(langs[i]) != -1) {
					if (langnames.length() > 0)
						langnames += ",";
					langnames += names[i];
					translation_locales_idxs_remap.write[l_idx] = i;
					l_idx++;
				}
			}
		} else {
			if (i > 0)
				langnames += ",";
			langnames += names[i];
		}
	}

	if (ProjectSettings::get_singleton()->has_setting("locale/translation_remaps")) {

		Dictionary remaps = ProjectSettings::get_singleton()->get("locale/translation_remaps");
		List<Variant> rk;
		remaps.get_key_list(&rk);
		Vector<String> keys;
		for (List<Variant>::Element *E = rk.front(); E; E = E->next()) {
			keys.push_back(E->get());
		}
		keys.sort();

		for (int i = 0; i < keys.size(); i++) {

			TreeItem *t = translation_remap->create_item(root);
			t->set_editable(0, false);
			t->set_text(0, keys[i].replace_first("res://", ""));
			t->set_tooltip(0, keys[i]);
			t->set_metadata(0, keys[i]);
			t->add_button(0, get_icon("Remove", "EditorIcons"), 0, false, TTR("Remove"));
			if (keys[i] == remap_selected) {
				t->select(0);
				translation_res_option_add_button->set_disabled(false);

				PackedStringArray selected = remaps[keys[i]];
				for (int j = 0; j < selected.size(); j++) {

					String s2 = selected[j];
					int qp = s2.find_last(":");
					String path = s2.substr(0, qp);
					String locale = s2.substr(qp + 1, s2.length());

					TreeItem *t2 = translation_remap_options->create_item(root2);
					t2->set_editable(0, false);
					t2->set_text(0, path.replace_first("res://", ""));
					t2->set_tooltip(0, path);
					t2->set_metadata(0, j);
					t2->add_button(0, get_icon("Remove", "EditorIcons"), 0, false, TTR("Remove"));
					t2->set_cell_mode(1, TreeItem::CELL_MODE_RANGE);
					t2->set_text(1, langnames);
					t2->set_editable(1, true);
					t2->set_metadata(1, path);
					int idx = langs.find(locale);
					if (idx < 0)
						idx = 0;

					int f_idx = translation_locales_idxs_remap.find(idx);
					if (f_idx != -1 && fl_idx_count > 0 && filter_mode == SHOW_ONLY_SELECTED_LOCALES) {

						t2->set_range(1, f_idx);
					} else {

						t2->set_range(1, idx);
					}
				}
			}
		}
	}

	updating_translations = false;
}

void ProjectSettingsEditor::_toggle_search_bar(bool p_pressed) {

	globals_editor->get_inspector()->set_use_filter(p_pressed);

	if (p_pressed) {

		search_bar->show();
		add_prop_bar->hide();
		search_box->grab_focus();
		search_box->select_all();
	} else {

		search_box->clear();
		search_bar->hide();
		add_prop_bar->show();
	}
}

void ProjectSettingsEditor::set_plugins_page() {

	tab_container->set_current_tab(plugin_settings->get_index());
}

TabContainer *ProjectSettingsEditor::get_tabs() {

	return tab_container;
}

void ProjectSettingsEditor::_editor_restart() {
	EditorNode::get_singleton()->save_all_scenes();
	EditorNode::get_singleton()->restart_editor();
}

void ProjectSettingsEditor::_editor_restart_request() {
	restart_container->show();
}

void ProjectSettingsEditor::_editor_restart_close() {
	restart_container->hide();
}

void ProjectSettingsEditor::_bind_methods() {

	ClassDB::bind_method(D_METHOD("_unhandled_input"), &ProjectSettingsEditor::_unhandled_input);
	ClassDB::bind_method(D_METHOD("_item_checked"), &ProjectSettingsEditor::_item_checked);
	ClassDB::bind_method(D_METHOD("_save"), &ProjectSettingsEditor::_save);
	ClassDB::bind_method(D_METHOD("_update_actions"), &ProjectSettingsEditor::_update_actions);

	ClassDB::bind_method(D_METHOD("_update_translations"), &ProjectSettingsEditor::_update_translations);

	ClassDB::bind_method(D_METHOD("get_tabs"), &ProjectSettingsEditor::get_tabs);

	ClassDB::bind_method(D_METHOD("get_drag_data_fw"), &ProjectSettingsEditor::get_drag_data_fw);
	ClassDB::bind_method(D_METHOD("can_drop_data_fw"), &ProjectSettingsEditor::can_drop_data_fw);
	ClassDB::bind_method(D_METHOD("drop_data_fw"), &ProjectSettingsEditor::drop_data_fw);
}

ProjectSettingsEditor::ProjectSettingsEditor(EditorData *p_data) {

	singleton = this;
	set_title(TTR("Project Settings (project.godot)"));
	set_resizable(true);
	undo_redo = &p_data->get_undo_redo();
	data = p_data;

	tab_container = memnew(TabContainer);
	tab_container->set_tab_align(TabContainer::ALIGN_LEFT);
	tab_container->set_use_hidden_tabs_for_min_size(true);
	add_child(tab_container);

	VBoxContainer *props_base = memnew(VBoxContainer);
	props_base->set_alignment(BoxContainer::ALIGN_BEGIN);
	props_base->set_v_size_flags(Control::SIZE_EXPAND_FILL);
	tab_container->add_child(props_base);
	props_base->set_name(TTR("General"));

	HBoxContainer *hbc = memnew(HBoxContainer);
	hbc->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	props_base->add_child(hbc);

	search_button = memnew(Button);
	search_button->set_toggle_mode(true);
	search_button->set_pressed(false);
	search_button->set_text(TTR("Search"));
	hbc->add_child(search_button);
	search_button->connect("toggled", callable_mp(this, &ProjectSettingsEditor::_toggle_search_bar));

	hbc->add_child(memnew(VSeparator));

	add_prop_bar = memnew(HBoxContainer);
	add_prop_bar->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	hbc->add_child(add_prop_bar);

	Label *l = memnew(Label);
	add_prop_bar->add_child(l);
	l->set_text(TTR("Category:"));

	category = memnew(LineEdit);
	category->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	add_prop_bar->add_child(category);
	category->connect("text_entered", callable_mp(this, &ProjectSettingsEditor::_item_adds));

	l = memnew(Label);
	add_prop_bar->add_child(l);
	l->set_text(TTR("Property:"));

	property = memnew(LineEdit);
	property->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	add_prop_bar->add_child(property);
	property->connect("text_entered", callable_mp(this, &ProjectSettingsEditor::_item_adds));

	l = memnew(Label);
	add_prop_bar->add_child(l);
	l->set_text(TTR("Type:"));

	type = memnew(OptionButton);
	type->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	add_prop_bar->add_child(type);

	// Start at 1 to avoid adding "Nil" as an option
	for (int i = 1; i < Variant::VARIANT_MAX; i++) {
		type->add_item(Variant::get_type_name(Variant::Type(i)));
	}

	Button *add = memnew(Button);
	add_prop_bar->add_child(add);
	add->set_text(TTR("Add"));
	add->connect("pressed", callable_mp(this, &ProjectSettingsEditor::_item_add));

	search_bar = memnew(HBoxContainer);
	search_bar->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	hbc->add_child(search_bar);
	search_bar->hide();

	search_box = memnew(LineEdit);
	search_box->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	search_bar->add_child(search_box);

	globals_editor = memnew(SectionedInspector);
	props_base->add_child(globals_editor);
	globals_editor->get_inspector()->set_undo_redo(EditorNode::get_singleton()->get_undo_redo());
	globals_editor->set_v_size_flags(Control::SIZE_EXPAND_FILL);
	globals_editor->register_search_box(search_box);
	globals_editor->get_inspector()->connect("property_selected", callable_mp(this, &ProjectSettingsEditor::_item_selected));
	globals_editor->get_inspector()->connect("property_edited", callable_mp(this, &ProjectSettingsEditor::_settings_prop_edited));
	globals_editor->get_inspector()->connect("restart_requested", callable_mp(this, &ProjectSettingsEditor::_editor_restart_request));

	Button *del = memnew(Button);
	hbc->add_child(del);
	del->set_text(TTR("Delete"));
	del->connect("pressed", callable_mp(this, &ProjectSettingsEditor::_item_del));

	add_prop_bar->add_child(memnew(VSeparator));

	popup_copy_to_feature = memnew(MenuButton);
	popup_copy_to_feature->set_text(TTR("Override For..."));
	popup_copy_to_feature->set_disabled(true);
	add_prop_bar->add_child(popup_copy_to_feature);

	popup_copy_to_feature->get_popup()->connect("id_pressed", callable_mp(this, &ProjectSettingsEditor::_copy_to_platform));
	popup_copy_to_feature->get_popup()->connect("about_to_show", callable_mp(this, &ProjectSettingsEditor::_copy_to_platform_about_to_show));

	get_ok()->set_text(TTR("Close"));
	set_hide_on_ok(true);

	restart_container = memnew(PanelContainer);
	props_base->add_child(restart_container);
	HBoxContainer *restart_hb = memnew(HBoxContainer);
	restart_container->add_child(restart_hb);
	restart_icon = memnew(TextureRect);
	restart_icon->set_v_size_flags(SIZE_SHRINK_CENTER);
	restart_hb->add_child(restart_icon);
	restart_label = memnew(Label);
	restart_label->set_text(TTR("The editor must be restarted for changes to take effect."));
	restart_hb->add_child(restart_label);
	restart_hb->add_spacer();
	Button *restart_button = memnew(Button);
	restart_button->connect("pressed", callable_mp(this, &ProjectSettingsEditor::_editor_restart));
	restart_hb->add_child(restart_button);
	restart_button->set_text(TTR("Save & Restart"));
	restart_close_button = memnew(ToolButton);
	restart_close_button->connect("pressed", callable_mp(this, &ProjectSettingsEditor::_editor_restart_close));
	restart_hb->add_child(restart_close_button);
	restart_container->hide();

	message = memnew(AcceptDialog);
	add_child(message);

	Control *input_base = memnew(Control);
	input_base->set_name(TTR("Input Map"));
	tab_container->add_child(input_base);

	VBoxContainer *vbc = memnew(VBoxContainer);
	input_base->add_child(vbc);
	vbc->set_anchor_and_margin(MARGIN_TOP, ANCHOR_BEGIN, 0);
	vbc->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, 0);
	vbc->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_BEGIN, 0);
	vbc->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, 0);

	hbc = memnew(HBoxContainer);
	vbc->add_child(hbc);

	l = memnew(Label);
	hbc->add_child(l);
	l->set_text(TTR("Action:"));

	action_name = memnew(LineEdit);
	action_name->set_h_size_flags(SIZE_EXPAND_FILL);
	hbc->add_child(action_name);
	action_name->connect("text_entered", callable_mp(this, &ProjectSettingsEditor::_action_adds));
	action_name->connect("text_changed", callable_mp(this, &ProjectSettingsEditor::_action_check));

	action_add_error = memnew(Label);
	hbc->add_child(action_add_error);
	action_add_error->hide();

	add = memnew(Button);
	hbc->add_child(add);
	add->set_text(TTR("Add"));
	add->set_disabled(true);
	add->connect("pressed", callable_mp(this, &ProjectSettingsEditor::_action_add));
	action_add = add;

	input_editor = memnew(Tree);
	vbc->add_child(input_editor);
	input_editor->set_v_size_flags(SIZE_EXPAND_FILL);
	input_editor->set_columns(3);
	input_editor->set_column_titles_visible(true);
	input_editor->set_column_title(0, TTR("Action"));
	input_editor->set_column_title(1, TTR("Deadzone"));
	input_editor->set_column_expand(1, false);
	input_editor->set_column_min_width(1, 80 * EDSCALE);
	input_editor->set_column_expand(2, false);
	input_editor->set_column_min_width(2, 50 * EDSCALE);
	input_editor->connect("item_edited", callable_mp(this, &ProjectSettingsEditor::_action_edited));
	input_editor->connect("item_activated", callable_mp(this, &ProjectSettingsEditor::_action_activated));
	input_editor->connect("cell_selected", callable_mp(this, &ProjectSettingsEditor::_action_selected));
	input_editor->connect("button_pressed", callable_mp(this, &ProjectSettingsEditor::_action_button_pressed));
	input_editor->set_drag_forwarding(this);

	popup_add = memnew(PopupMenu);
	add_child(popup_add);
	popup_add->connect("id_pressed", callable_mp(this, &ProjectSettingsEditor::_add_item), make_binds(Ref<InputEvent>()));

	press_a_key_physical = false;

	press_a_key = memnew(ConfirmationDialog);
	press_a_key->set_focus_mode(FOCUS_ALL);
	add_child(press_a_key);

	l = memnew(Label);
	l->set_text(TTR("Press a Key..."));
	l->set_anchors_and_margins_preset(Control::PRESET_WIDE);
	l->set_align(Label::ALIGN_CENTER);
	l->set_margin(MARGIN_TOP, 20);
	l->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_BEGIN, 30);
	press_a_key->get_ok()->set_disabled(true);
	press_a_key_label = l;
	press_a_key->add_child(l);
	press_a_key->connect("gui_input", callable_mp(this, &ProjectSettingsEditor::_wait_for_key));
	press_a_key->connect("confirmed", callable_mp(this, &ProjectSettingsEditor::_press_a_key_confirm));

	device_input = memnew(ConfirmationDialog);
	add_child(device_input);
	device_input->get_ok()->set_text(TTR("Add"));
	device_input->connect("confirmed", callable_mp(this, &ProjectSettingsEditor::_device_input_add));

	hbc = memnew(HBoxContainer);
	device_input->add_child(hbc);

	VBoxContainer *vbc_left = memnew(VBoxContainer);
	hbc->add_child(vbc_left);

	l = memnew(Label);
	l->set_text(TTR("Device:"));
	vbc_left->add_child(l);

	device_id = memnew(OptionButton);
	for (int i = -1; i < 8; i++)
		device_id->add_item(_get_device_string(i));
	_set_current_device(0);
	vbc_left->add_child(device_id);

	VBoxContainer *vbc_right = memnew(VBoxContainer);
	hbc->add_child(vbc_right);
	vbc_right->set_h_size_flags(SIZE_EXPAND_FILL);

	l = memnew(Label);
	l->set_text(TTR("Index:"));
	vbc_right->add_child(l);
	device_index_label = l;

	device_index = memnew(OptionButton);
	device_index->set_clip_text(true);

	vbc_right->add_child(device_index);

	setting = false;

	//translations
	TabContainer *translations = memnew(TabContainer);
	translations->set_tab_align(TabContainer::ALIGN_LEFT);
	translations->set_name(TTR("Localization"));
	tab_container->add_child(translations);
	//remap for properly select language in popup
	translation_locales_idxs_remap = Vector<int>();
	translation_locales_list_created = false;

	{

		VBoxContainer *tvb = memnew(VBoxContainer);
		translations->add_child(tvb);
		tvb->set_name(TTR("Translations"));
		HBoxContainer *thb = memnew(HBoxContainer);
		tvb->add_child(thb);
		thb->add_child(memnew(Label(TTR("Translations:"))));
		thb->add_spacer();
		Button *addtr = memnew(Button(TTR("Add...")));
		addtr->connect("pressed", callable_mp(this, &ProjectSettingsEditor::_translation_file_open));
		thb->add_child(addtr);
		VBoxContainer *tmc = memnew(VBoxContainer);
		tvb->add_child(tmc);
		tmc->set_v_size_flags(SIZE_EXPAND_FILL);
		translation_list = memnew(Tree);
		translation_list->set_v_size_flags(SIZE_EXPAND_FILL);
		tmc->add_child(translation_list);

		translation_file_open = memnew(EditorFileDialog);
		add_child(translation_file_open);
		translation_file_open->set_mode(EditorFileDialog::MODE_OPEN_FILE);
		translation_file_open->connect("file_selected", callable_mp(this, &ProjectSettingsEditor::_translation_add));
	}

	{
		VBoxContainer *tvb = memnew(VBoxContainer);
		translations->add_child(tvb);
		tvb->set_name(TTR("Remaps"));
		HBoxContainer *thb = memnew(HBoxContainer);
		tvb->add_child(thb);
		thb->add_child(memnew(Label(TTR("Resources:"))));
		thb->add_spacer();
		Button *addtr = memnew(Button(TTR("Add...")));
		addtr->connect("pressed", callable_mp(this, &ProjectSettingsEditor::_translation_res_file_open));
		thb->add_child(addtr);
		VBoxContainer *tmc = memnew(VBoxContainer);
		tvb->add_child(tmc);
		tmc->set_v_size_flags(SIZE_EXPAND_FILL);
		translation_remap = memnew(Tree);
		translation_remap->set_v_size_flags(SIZE_EXPAND_FILL);
		translation_remap->connect("cell_selected", callable_mp(this, &ProjectSettingsEditor::_translation_res_select));
		tmc->add_child(translation_remap);
		translation_remap->connect("button_pressed", callable_mp(this, &ProjectSettingsEditor::_translation_res_delete));

		translation_res_file_open = memnew(EditorFileDialog);
		add_child(translation_res_file_open);
		translation_res_file_open->set_mode(EditorFileDialog::MODE_OPEN_FILE);
		translation_res_file_open->connect("file_selected", callable_mp(this, &ProjectSettingsEditor::_translation_res_add));

		thb = memnew(HBoxContainer);
		tvb->add_child(thb);
		thb->add_child(memnew(Label(TTR("Remaps by Locale:"))));
		thb->add_spacer();
		addtr = memnew(Button(TTR("Add...")));
		addtr->connect("pressed", callable_mp(this, &ProjectSettingsEditor::_translation_res_option_file_open));
		translation_res_option_add_button = addtr;
		thb->add_child(addtr);
		tmc = memnew(VBoxContainer);
		tvb->add_child(tmc);
		tmc->set_v_size_flags(SIZE_EXPAND_FILL);
		translation_remap_options = memnew(Tree);
		translation_remap_options->set_v_size_flags(SIZE_EXPAND_FILL);
		tmc->add_child(translation_remap_options);

		translation_remap_options->set_columns(2);
		translation_remap_options->set_column_title(0, TTR("Path"));
		translation_remap_options->set_column_title(1, TTR("Locale"));
		translation_remap_options->set_column_titles_visible(true);
		translation_remap_options->set_column_expand(0, true);
		translation_remap_options->set_column_expand(1, false);
		translation_remap_options->set_column_min_width(1, 200);
		translation_remap_options->connect("item_edited", callable_mp(this, &ProjectSettingsEditor::_translation_res_option_changed));
		translation_remap_options->connect("button_pressed", callable_mp(this, &ProjectSettingsEditor::_translation_res_option_delete));

		translation_res_option_file_open = memnew(EditorFileDialog);
		add_child(translation_res_option_file_open);
		translation_res_option_file_open->set_mode(EditorFileDialog::MODE_OPEN_FILE);
		translation_res_option_file_open->connect("file_selected", callable_mp(this, &ProjectSettingsEditor::_translation_res_option_add));
	}

	{
		VBoxContainer *tvb = memnew(VBoxContainer);
		translations->add_child(tvb);
		tvb->set_name(TTR("Locales Filter"));
		VBoxContainer *tmc = memnew(VBoxContainer);
		tmc->set_v_size_flags(SIZE_EXPAND_FILL);
		tvb->add_child(tmc);

		translation_locale_filter_mode = memnew(OptionButton);
		translation_locale_filter_mode->add_item(TTR("Show All Locales"), SHOW_ALL_LOCALES);
		translation_locale_filter_mode->add_item(TTR("Show Selected Locales Only"), SHOW_ONLY_SELECTED_LOCALES);
		translation_locale_filter_mode->select(0);
		tmc->add_margin_child(TTR("Filter mode:"), translation_locale_filter_mode);
		translation_locale_filter_mode->connect("item_selected", callable_mp(this, &ProjectSettingsEditor::_translation_filter_mode_changed));

		translation_filter = memnew(Tree);
		translation_filter->set_v_size_flags(SIZE_EXPAND_FILL);
		translation_filter->set_columns(1);
		tmc->add_child(memnew(Label(TTR("Locales:"))));
		tmc->add_child(translation_filter);
		translation_filter->connect("item_edited", callable_mp(this, &ProjectSettingsEditor::_translation_filter_option_changed));
	}

	autoload_settings = memnew(EditorAutoloadSettings);
	autoload_settings->set_name(TTR("AutoLoad"));
	tab_container->add_child(autoload_settings);
	autoload_settings->connect("autoload_changed", callable_mp(this, &ProjectSettingsEditor::_settings_changed));

	plugin_settings = memnew(EditorPluginSettings);
	plugin_settings->set_name(TTR("Plugins"));
	tab_container->add_child(plugin_settings);

	timer = memnew(Timer);
	timer->set_wait_time(1.5);
	timer->connect("timeout", callable_mp(ProjectSettings::get_singleton(), &ProjectSettings::save));
	timer->set_one_shot(true);
	add_child(timer);

	updating_translations = false;
}