Extract EditorDockManager from EditorNode

editor/editor_dock_manager.h

@@ -0,0 +1,135 @@
+/**************************************************************************/
+/*  editor_dock_manager.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 EDITOR_DOCK_MANAGER_H
+#define EDITOR_DOCK_MANAGER_H
+
+#include "scene/gui/split_container.h"
+
+class Button;
+class ConfigFile;
+class Control;
+class PopupPanel;
+class TabContainer;
+class WindowWrapper;
+
+class DockSplitContainer : public SplitContainer {
+	GDCLASS(DockSplitContainer, SplitContainer);
+
+private:
+	bool is_updating = false;
+
+protected:
+	void _update_visibility();
+
+	virtual void add_child_notify(Node *p_child) override;
+	virtual void remove_child_notify(Node *p_child) override;
+};
+
+class EditorDockManager : public Object {
+	GDCLASS(EditorDockManager, Object);
+
+public:
+	enum DockSlot {
+		DOCK_SLOT_LEFT_UL,
+		DOCK_SLOT_LEFT_BL,
+		DOCK_SLOT_LEFT_UR,
+		DOCK_SLOT_LEFT_BR,
+		DOCK_SLOT_RIGHT_UL,
+		DOCK_SLOT_RIGHT_BL,
+		DOCK_SLOT_RIGHT_UR,
+		DOCK_SLOT_RIGHT_BR,
+		DOCK_SLOT_MAX
+	};
+
+private:
+	static EditorDockManager *singleton;
+
+	// To access splits easily by index.
+	Vector<DockSplitContainer *> vsplits;
+	Vector<DockSplitContainer *> hsplits;
+
+	Vector<WindowWrapper *> floating_docks;
+	TabContainer *dock_slot[DOCK_SLOT_MAX];
+	bool docks_visible = true;
+
+	PopupPanel *dock_select_popup = nullptr;
+	Button *dock_float = nullptr;
+	Button *dock_tab_move_left = nullptr;
+	Button *dock_tab_move_right = nullptr;
+	Control *dock_select = nullptr;
+	Rect2 dock_select_rect[DOCK_SLOT_MAX];
+	int dock_select_rect_over_idx = -1;
+	int dock_popup_selected_idx = -1;
+
+	void _dock_select_popup_theme_changed();
+	void _dock_popup_exit();
+	void _dock_pre_popup(int p_dock_slot);
+	void _dock_move_left();
+	void _dock_move_right();
+	void _dock_select_input(const Ref<InputEvent> &p_input);
+	void _dock_select_draw();
+	void _dock_split_dragged(int p_offset);
+
+	void _dock_tab_changed(int p_tab);
+	void _edit_current();
+
+	void _dock_floating_close_request(WindowWrapper *p_wrapper);
+	void _dock_make_selected_float();
+	void _dock_make_float(Control *p_control, int p_slot_index, bool p_show_window = true);
+	void _restore_floating_dock(const Dictionary &p_dock_dump, Control *p_wrapper, int p_slot_index);
+
+protected:
+	static void _bind_methods();
+
+public:
+	static EditorDockManager *get_singleton() { return singleton; }
+
+	void add_vsplit(DockSplitContainer *p_split);
+	void add_hsplit(DockSplitContainer *p_split);
+	void register_dock_slot(DockSlot p_dock_slot, TabContainer *p_tab_container);
+	int get_vsplit_count() const;
+
+	void save_docks_to_config(Ref<ConfigFile> p_layout, const String &p_section) const;
+	void load_docks_from_config(Ref<ConfigFile> p_layout, const String &p_section);
+	void update_dock_slots_visibility(bool p_keep_selected_tabs = false);
+
+	void close_all_floating_docks();
+
+	void set_docks_visible(bool p_show);
+	bool are_docks_visible() const;
+
+	void add_control_to_dock(DockSlot p_slot, Control *p_control, const String &p_name = "");
+	void remove_control_from_dock(Control *p_control);
+
+	EditorDockManager();
+};
+
+#endif // EDITOR_DOCK_MANAGER_H