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d95794ec8a
As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see".
141 lines
5.8 KiB
C++
141 lines
5.8 KiB
C++
/**************************************************************************/
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/* editor_undo_redo_manager.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 EDITOR_UNDO_REDO_MANAGER_H
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#define EDITOR_UNDO_REDO_MANAGER_H
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#include "core/object/class_db.h"
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#include "core/object/ref_counted.h"
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#include "core/object/undo_redo.h"
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class EditorUndoRedoManager : public RefCounted {
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GDCLASS(EditorUndoRedoManager, RefCounted);
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public:
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enum SpecialHistory {
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GLOBAL_HISTORY = 0,
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REMOTE_HISTORY = -9,
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INVALID_HISTORY = -99,
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};
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struct Action {
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int history_id = INVALID_HISTORY;
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double timestamp = 0;
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String action_name;
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UndoRedo::MergeMode merge_mode = UndoRedo::MERGE_DISABLE;
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};
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struct History {
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int id = INVALID_HISTORY;
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UndoRedo *undo_redo = nullptr;
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uint64_t saved_version = 1;
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List<Action> undo_stack;
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List<Action> redo_stack;
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};
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private:
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HashMap<int, History> history_map;
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Action pending_action;
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bool is_committing = false;
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History *_get_newest_undo();
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protected:
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static void _bind_methods();
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public:
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History &get_or_create_history(int p_idx);
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UndoRedo *get_history_undo_redo(int p_idx) const;
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int get_history_id_for_object(Object *p_object) const;
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History &get_history_for_object(Object *p_object);
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void create_action_for_history(const String &p_name, int p_history_id, UndoRedo::MergeMode p_mode = UndoRedo::MERGE_DISABLE);
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void create_action(const String &p_name = "", UndoRedo::MergeMode p_mode = UndoRedo::MERGE_DISABLE, Object *p_custom_context = nullptr);
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void add_do_methodp(Object *p_object, const StringName &p_method, const Variant **p_args, int p_argcount);
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void add_undo_methodp(Object *p_object, const StringName &p_method, const Variant **p_args, int p_argcount);
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template <typename... VarArgs>
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void add_do_method(Object *p_object, const StringName &p_method, VarArgs... p_args) {
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Variant args[sizeof...(p_args) + 1] = { p_args..., Variant() }; // +1 makes sure zero sized arrays are also supported.
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const Variant *argptrs[sizeof...(p_args) + 1];
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for (uint32_t i = 0; i < sizeof...(p_args); i++) {
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argptrs[i] = &args[i];
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}
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add_do_methodp(p_object, p_method, sizeof...(p_args) == 0 ? nullptr : (const Variant **)argptrs, sizeof...(p_args));
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}
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template <typename... VarArgs>
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void add_undo_method(Object *p_object, const StringName &p_method, VarArgs... p_args) {
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Variant args[sizeof...(p_args) + 1] = { p_args..., Variant() }; // +1 makes sure zero sized arrays are also supported.
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const Variant *argptrs[sizeof...(p_args) + 1];
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for (uint32_t i = 0; i < sizeof...(p_args); i++) {
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argptrs[i] = &args[i];
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}
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add_undo_methodp(p_object, p_method, sizeof...(p_args) == 0 ? nullptr : (const Variant **)argptrs, sizeof...(p_args));
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}
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void _add_do_method(const Variant **p_args, int p_argcount, Callable::CallError &r_error);
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void _add_undo_method(const Variant **p_args, int p_argcount, Callable::CallError &r_error);
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void add_do_property(Object *p_object, const StringName &p_property, const Variant &p_value);
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void add_undo_property(Object *p_object, const StringName &p_property, const Variant &p_value);
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void add_do_reference(Object *p_object);
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void add_undo_reference(Object *p_object);
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void commit_action(bool p_execute = true);
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bool is_committing_action() const;
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bool undo();
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bool undo_history(int p_id);
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bool redo();
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bool redo_history(int p_id);
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void clear_history(bool p_increase_version = true, int p_idx = INVALID_HISTORY);
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void set_history_as_saved(int p_idx);
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void set_history_as_unsaved(int p_idx);
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bool is_history_unsaved(int p_idx);
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bool has_undo();
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bool has_redo();
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String get_current_action_name();
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int get_current_action_history_id();
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void discard_history(int p_idx, bool p_erase_from_map = true);
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~EditorUndoRedoManager();
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};
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VARIANT_ENUM_CAST(EditorUndoRedoManager::SpecialHistory);
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#endif // EDITOR_UNDO_REDO_MANAGER_H
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