Reorganize project manager code

- Extract individual components to their own files.
- Improve order of declarations and definitions within those files.
- ProjectDialog is only extracted as there are upcoming
PRs touching on it.

1 files changed, 264 insertions, 0 deletions

diff --git a/editor/project_manager/project_list.h b/editor/project_manager/project_list.h
new file mode 100644
index 0000000000..86f1f13bd8
--- /dev/null
+++ b/editor/project_manager/project_list.h
@@ -0,0 +1,264 @@
+/**************************************************************************/
+/*  project_list.h                                                        */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#ifndef PROJECT_LIST_H
+#define PROJECT_LIST_H
+
+#include "core/io/config_file.h"
+#include "scene/gui/box_container.h"
+#include "scene/gui/scroll_container.h"
+
+class Button;
+class Label;
+class ProjectList;
+class TextureButton;
+class TextureRect;
+
+class ProjectListItemControl : public HBoxContainer {
+	GDCLASS(ProjectListItemControl, HBoxContainer)
+
+	VBoxContainer *main_vbox = nullptr;
+	TextureButton *favorite_button = nullptr;
+	Button *explore_button = nullptr;
+
+	TextureRect *project_icon = nullptr;
+	Label *project_title = nullptr;
+	Label *project_path = nullptr;
+	TextureRect *project_unsupported_features = nullptr;
+	HBoxContainer *tag_container = nullptr;
+
+	bool project_is_missing = false;
+	bool icon_needs_reload = true;
+	bool is_selected = false;
+	bool is_hovering = false;
+
+	void _favorite_button_pressed();
+	void _explore_button_pressed();
+
+protected:
+	void _notification(int p_what);
+	static void _bind_methods();
+
+public:
+	void set_project_title(const String &p_title);
+	void set_project_path(const String &p_path);
+	void set_tags(const PackedStringArray &p_tags, ProjectList *p_parent_list);
+	void set_project_icon(const Ref<Texture2D> &p_icon);
+	void set_unsupported_features(PackedStringArray p_features);
+
+	bool should_load_project_icon() const;
+	void set_selected(bool p_selected);
+
+	void set_is_favorite(bool p_favorite);
+	void set_is_missing(bool p_missing);
+	void set_is_grayed(bool p_grayed);
+
+	ProjectListItemControl();
+};
+
+class ProjectList : public ScrollContainer {
+	GDCLASS(ProjectList, ScrollContainer)
+
+	friend class ProjectManager;
+
+public:
+	enum FilterOption {
+		EDIT_DATE,
+		NAME,
+		PATH,
+		TAGS,
+	};
+
+	// Can often be passed by copy.
+	struct Item {
+		String project_name;
+		String description;
+		PackedStringArray tags;
+		String tag_sort_string;
+		String path;
+		String icon;
+		String main_scene;
+		PackedStringArray unsupported_features;
+		uint64_t last_edited = 0;
+		bool favorite = false;
+		bool grayed = false;
+		bool missing = false;
+		int version = 0;
+
+		ProjectListItemControl *control = nullptr;
+
+		Item() {}
+
+		Item(const String &p_name,
+				const String &p_description,
+				const PackedStringArray &p_tags,
+				const String &p_path,
+				const String &p_icon,
+				const String &p_main_scene,
+				const PackedStringArray &p_unsupported_features,
+				uint64_t p_last_edited,
+				bool p_favorite,
+				bool p_grayed,
+				bool p_missing,
+				int p_version) {
+			project_name = p_name;
+			description = p_description;
+			tags = p_tags;
+			path = p_path;
+			icon = p_icon;
+			main_scene = p_main_scene;
+			unsupported_features = p_unsupported_features;
+			last_edited = p_last_edited;
+			favorite = p_favorite;
+			grayed = p_grayed;
+			missing = p_missing;
+			version = p_version;
+
+			control = nullptr;
+
+			PackedStringArray sorted_tags = tags;
+			sorted_tags.sort();
+			tag_sort_string = String().join(sorted_tags);
+		}
+
+		_FORCE_INLINE_ bool operator==(const Item &l) const {
+			return path == l.path;
+		}
+	};
+
+private:
+	String _config_path;
+	ConfigFile _config;
+
+	Vector<Item> _projects;
+
+	int _icon_load_index = 0;
+	bool project_opening_initiated = false;
+
+	String _search_term;
+	FilterOption _order_option = FilterOption::EDIT_DATE;
+	HashSet<String> _selected_project_paths;
+	String _last_clicked; // Project key
+
+	VBoxContainer *project_list_vbox = nullptr;
+
+	// Initialization & loading.
+
+	void _migrate_config();
+
+	static Item load_project_data(const String &p_property_key, bool p_favorite);
+	void _update_icons_async();
+	void _load_project_icon(int p_index);
+
+	// Project list updates.
+
+	void _scan_folder_recursive(const String &p_path, List<String> *r_projects);
+
+	// Project list items.
+
+	void _create_project_item_control(int p_index);
+	void _toggle_project(int p_index);
+	void _remove_project(int p_index, bool p_update_settings);
+
+	void _list_item_input(const Ref<InputEvent> &p_ev, Node *p_hb);
+	void _on_favorite_pressed(Node *p_hb);
+	void _on_explore_pressed(const String &p_path);
+
+	// Project list selection.
+
+	void _clear_project_selection();
+	void _select_project_nocheck(int p_index);
+	void _deselect_project_nocheck(int p_index);
+	void _select_project_range(int p_begin, int p_end);
+
+	// Global menu integration.
+
+	void _global_menu_new_window(const Variant &p_tag);
+	void _global_menu_open_project(const Variant &p_tag);
+
+protected:
+	void _notification(int p_what);
+	static void _bind_methods();
+
+public:
+	static const char *SIGNAL_LIST_CHANGED;
+	static const char *SIGNAL_SELECTION_CHANGED;
+	static const char *SIGNAL_PROJECT_ASK_OPEN;
+
+	static bool project_feature_looks_like_version(const String &p_feature);
+
+	// Initialization & loading.
+
+	void save_config();
+
+	// Project list updates.
+
+	void update_project_list();
+	void sort_projects();
+	int get_project_count() const;
+
+	void find_projects(const String &p_path);
+	void find_projects_multiple(const PackedStringArray &p_paths);
+
+	// Project list items.
+
+	void add_project(const String &dir_path, bool favorite);
+	void set_project_version(const String &p_project_path, int version);
+	int refresh_project(const String &dir_path);
+	void ensure_project_visible(int p_index);
+
+	// Project list selection.
+
+	void select_project(int p_index);
+	void select_first_visible_project();
+	Vector<Item> get_selected_projects() const;
+	const HashSet<String> &get_selected_project_keys() const;
+	int get_single_selected_index() const;
+	void erase_selected_projects(bool p_delete_project_contents);
+
+	// Missing projects.
+
+	bool is_any_project_missing() const;
+	void erase_missing_projects();
+
+	// Project list sorting and filtering.
+
+	void set_search_term(String p_search_term);
+	void add_search_tag(const String &p_tag);
+	void set_order_option(int p_option);
+
+	// Global menu integration.
+
+	void update_dock_menu();
+
+	ProjectList();
+};
+
+#endif // PROJECT_LIST_H