Add PropertyListHelper
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@ -35,6 +35,8 @@
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#include "core/string/translation.h"
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#include "scene/theme/theme_db.h"
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PropertyListHelper ItemList::base_property_helper;
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void ItemList::_shape_text(int p_idx) {
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Item &item = items.write[p_idx];
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@ -1678,23 +1680,10 @@ TextServer::OverrunBehavior ItemList::get_text_overrun_behavior() const {
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}
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bool ItemList::_set(const StringName &p_name, const Variant &p_value) {
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Vector<String> components = String(p_name).split("/", true, 2);
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if (components.size() >= 2 && components[0].begins_with("item_") && components[0].trim_prefix("item_").is_valid_int()) {
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int item_index = components[0].trim_prefix("item_").to_int();
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if (components[1] == "text") {
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set_item_text(item_index, p_value);
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return true;
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} else if (components[1] == "icon") {
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set_item_icon(item_index, p_value);
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return true;
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} else if (components[1] == "disabled") {
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set_item_disabled(item_index, p_value);
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return true;
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} else if (components[1] == "selectable") {
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set_item_selectable(item_index, p_value);
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return true;
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}
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if (property_helper.property_set_value(p_name, p_value)) {
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return true;
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}
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#ifndef DISABLE_DEPRECATED
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// Compatibility.
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if (p_name == "items") {
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@ -1717,42 +1706,19 @@ bool ItemList::_set(const StringName &p_name, const Variant &p_value) {
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}
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bool ItemList::_get(const StringName &p_name, Variant &r_ret) const {
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Vector<String> components = String(p_name).split("/", true, 2);
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if (components.size() >= 2 && components[0].begins_with("item_") && components[0].trim_prefix("item_").is_valid_int()) {
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int item_index = components[0].trim_prefix("item_").to_int();
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if (components[1] == "text") {
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r_ret = get_item_text(item_index);
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return true;
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} else if (components[1] == "icon") {
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r_ret = get_item_icon(item_index);
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return true;
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} else if (components[1] == "disabled") {
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r_ret = is_item_disabled(item_index);
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return true;
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} else if (components[1] == "selectable") {
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r_ret = is_item_selectable(item_index);
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return true;
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}
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}
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return false;
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return property_helper.property_get_value(p_name, r_ret);
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}
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void ItemList::_get_property_list(List<PropertyInfo> *p_list) const {
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for (int i = 0; i < items.size(); i++) {
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p_list->push_back(PropertyInfo(Variant::STRING, vformat("item_%d/text", i)));
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property_helper.get_property_list(p_list, items.size());
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}
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PropertyInfo pi = PropertyInfo(Variant::OBJECT, vformat("item_%d/icon", i), PROPERTY_HINT_RESOURCE_TYPE, "Texture2D");
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pi.usage &= ~(get_item_icon(i).is_null() ? PROPERTY_USAGE_STORAGE : 0);
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p_list->push_back(pi);
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bool ItemList::_property_can_revert(const StringName &p_name) const {
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return property_helper.property_can_revert(p_name);
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}
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pi = PropertyInfo(Variant::BOOL, vformat("item_%d/selectable", i));
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pi.usage &= ~(is_item_selectable(i) ? PROPERTY_USAGE_STORAGE : 0);
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p_list->push_back(pi);
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pi = PropertyInfo(Variant::BOOL, vformat("item_%d/disabled", i));
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pi.usage &= ~(!is_item_disabled(i) ? PROPERTY_USAGE_STORAGE : 0);
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p_list->push_back(pi);
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}
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bool ItemList::_property_get_revert(const StringName &p_name, Variant &r_property) const {
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return property_helper.property_get_revert(p_name, r_property);
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}
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void ItemList::_bind_methods() {
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@ -1919,6 +1885,14 @@ void ItemList::_bind_methods() {
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BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, ItemList, cursor_style, "cursor_unfocused");
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BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, ItemList, cursor_focus_style, "cursor");
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BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, ItemList, guide_color);
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Item defaults(true);
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base_property_helper.set_prefix("item_");
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base_property_helper.register_property(PropertyInfo(Variant::STRING, "text"), defaults.text, "set_item_text", "get_item_text");
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base_property_helper.register_property(PropertyInfo(Variant::OBJECT, "icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), defaults.icon, "set_item_icon", "get_item_icon");
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base_property_helper.register_property(PropertyInfo(Variant::BOOL, "selectable"), defaults.selectable, "set_item_selectable", "is_item_selectable");
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base_property_helper.register_property(PropertyInfo(Variant::BOOL, "disabled"), defaults.disabled, "set_item_disabled", "is_item_disabled");
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}
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ItemList::ItemList() {
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@ -1930,6 +1904,8 @@ ItemList::ItemList() {
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set_focus_mode(FOCUS_ALL);
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set_clip_contents(true);
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property_helper.setup_for_instance(base_property_helper, this);
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}
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ItemList::~ItemList() {
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@ -33,6 +33,7 @@
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#include "scene/gui/control.h"
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#include "scene/gui/scroll_bar.h"
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#include "scene/property_list_helper.h"
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#include "scene/resources/text_paragraph.h"
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class ItemList : public Control {
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@ -82,8 +83,13 @@ private:
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Item() {
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text_buf.instantiate();
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}
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Item(bool p_dummy) {}
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};
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static PropertyListHelper base_property_helper;
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PropertyListHelper property_helper;
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int current = -1;
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int hovered = -1;
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@ -157,6 +163,8 @@ protected:
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bool _set(const StringName &p_name, const Variant &p_value);
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bool _get(const StringName &p_name, Variant &r_ret) const;
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void _get_property_list(List<PropertyInfo> *p_list) const;
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bool _property_can_revert(const StringName &p_name) const;
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bool _property_get_revert(const StringName &p_name, Variant &r_property) const;
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static void _bind_methods();
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public:
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@ -0,0 +1,138 @@
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/**************************************************************************/
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/* property_list_helper.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "property_list_helper.h"
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const PropertyListHelper::Property *PropertyListHelper::_get_property(const String &p_property, int *r_index) const {
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const Vector<String> components = p_property.split("/", true, 2);
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if (components.size() < 2 || !components[0].begins_with(prefix)) {
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return nullptr;
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}
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{
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const String index_string = components[0].trim_prefix(prefix);
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if (!index_string.is_valid_int()) {
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return nullptr;
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}
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*r_index = index_string.to_int();
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}
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return property_list.getptr(components[1]);
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}
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void PropertyListHelper::_bind_property(const Property &p_property, const Object *p_object) {
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Property property = p_property;
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property.info = p_property.info;
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property.default_value = p_property.default_value;
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property.setter = Callable(p_object, p_property.setter_name);
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property.getter = Callable(p_object, p_property.getter_name);
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property_list[property.info.name] = property;
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}
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void PropertyListHelper::set_prefix(const String &p_prefix) {
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prefix = p_prefix;
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}
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void PropertyListHelper::register_property(const PropertyInfo &p_info, const Variant &p_default, const StringName &p_setter, const StringName &p_getter) {
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Property property;
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property.info = p_info;
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property.default_value = p_default;
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property.setter_name = p_setter;
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property.getter_name = p_getter;
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property_list[p_info.name] = property;
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}
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void PropertyListHelper::setup_for_instance(const PropertyListHelper &p_base, const Object *p_object) {
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prefix = p_base.prefix;
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for (const KeyValue<String, Property> &E : p_base.property_list) {
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_bind_property(E.value, p_object);
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}
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}
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void PropertyListHelper::get_property_list(List<PropertyInfo> *p_list, int p_count) const {
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for (int i = 0; i < p_count; i++) {
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for (const KeyValue<String, Property> &E : property_list) {
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const Property &property = E.value;
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PropertyInfo info = property.info;
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if (property.getter.call(i) == property.default_value) {
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info.usage &= (~PROPERTY_USAGE_STORAGE);
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}
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info.name = vformat("%s%d/%s", prefix, i, info.name);
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p_list->push_back(info);
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}
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}
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}
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bool PropertyListHelper::property_get_value(const String &p_property, Variant &r_ret) const {
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int index;
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const Property *property = _get_property(p_property, &index);
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if (property) {
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r_ret = property->getter.call(index);
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return true;
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}
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return false;
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}
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bool PropertyListHelper::property_set_value(const String &p_property, const Variant &p_value) const {
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int index;
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const Property *property = _get_property(p_property, &index);
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if (property) {
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property->setter.call(index, p_value);
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return true;
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}
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return false;
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}
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bool PropertyListHelper::property_can_revert(const String &p_property) const {
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int index;
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const Property *property = _get_property(p_property, &index);
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if (property) {
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return property->getter.call(index) != property->default_value;
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}
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return false;
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}
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bool PropertyListHelper::property_get_revert(const String &p_property, Variant &r_value) const {
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int index;
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const Property *property = _get_property(p_property, &index);
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if (property) {
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r_value = property->default_value;
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return true;
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}
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return false;
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}
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@ -0,0 +1,64 @@
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/**************************************************************************/
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/* property_list_helper.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef PROPERTY_LIST_HELPER_H
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#define PROPERTY_LIST_HELPER_H
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#include "core/object/object.h"
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class PropertyListHelper {
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struct Property {
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PropertyInfo info;
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Variant default_value;
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StringName setter_name;
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StringName getter_name;
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Callable setter;
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Callable getter;
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};
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String prefix;
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HashMap<String, Property> property_list;
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const Property *_get_property(const String &p_property, int *r_index) const;
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void _bind_property(const Property &p_property, const Object *p_object);
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public:
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void set_prefix(const String &p_prefix);
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void register_property(const PropertyInfo &p_info, const Variant &p_default, const StringName &p_setter, const StringName &p_getter);
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void setup_for_instance(const PropertyListHelper &p_base, const Object *p_object);
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void get_property_list(List<PropertyInfo> *p_list, int p_count) const;
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bool property_get_value(const String &p_property, Variant &r_ret) const;
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bool property_set_value(const String &p_property, const Variant &p_value) const;
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bool property_can_revert(const String &p_property) const;
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bool property_get_revert(const String &p_property, Variant &r_value) const;
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};
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#endif // PROPERTY_LIST_HELPER_H
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