Fix bottom dock offsets and change Audio to EditorDock

editor/audio/editor_audio_buses.cpp

@@ -34,16 +34,17 @@
 #include "core/input/input.h"
 #include "core/io/resource_saver.h"
 #include "core/os/keyboard.h"
+#include "editor/docks/editor_dock_manager.h"
 #include "editor/docks/filesystem_dock.h"
 #include "editor/editor_node.h"
 #include "editor/editor_string_names.h"
 #include "editor/editor_undo_redo_manager.h"
-#include "editor/gui/editor_bottom_panel.h"
 #include "editor/gui/editor_file_dialog.h"
 #include "editor/settings/editor_command_palette.h"
 #include "editor/settings/editor_settings.h"
 #include "editor/themes/editor_scale.h"
 #include "editor/themes/editor_theme_manager.h"
+#include "scene/gui/box_container.h"
 #include "scene/gui/separator.h"
 #include "scene/main/timer.h"
 #include "scene/resources/font.h"
@@ -1111,7 +1112,7 @@ void EditorAudioBuses::_rebuild_buses() {
 
 EditorAudioBuses *EditorAudioBuses::register_editor() {
 	EditorAudioBuses *audio_buses = memnew(EditorAudioBuses);
-	EditorNode::get_bottom_panel()->add_item(TTRC("Audio"), audio_buses, ED_SHORTCUT_AND_COMMAND("bottom_panels/toggle_audio_bottom_panel", TTRC("Toggle Audio Bottom Panel"), KeyModifierMask::ALT | Key::A));
+	EditorDockManager::get_singleton()->add_dock(audio_buses);
 	return audio_buses;
 }
 
@@ -1158,16 +1159,6 @@ void EditorAudioBuses::_notification(int p_what) {
 			}
 
 			_update_file_label_size();
-
-			// Setting `the split_offset` value once to the minimum value required to display the entire contents of the `EditorAudioBuses`.
-			// This is used instead of setting a custom_minimum_size or similar, as this may cause the panel to be outside the window (see GH-26835).
-			// If `EditorAudioBuses` is selected when starting the editor, this code will be executed first and then the saved layout will load.
-			if (use_default_editor_size) {
-				use_default_editor_size = false;
-				int offset = EditorNode::get_bottom_panel()->get_combined_minimum_size().y + get_combined_minimum_size().y;
-				offset += Object::cast_to<Control>(bus_hb->get_child(0))->get_combined_minimum_size().y; // Master audio bus always exists.
-				EditorNode::get_singleton()->set_center_split_offset(-offset);
-			}
 		} break;
 	}
 }
@@ -1336,8 +1327,17 @@ void EditorAudioBuses::_bind_methods() {
 }
 
 EditorAudioBuses::EditorAudioBuses() {
+	set_name(TTRC("Audio"));
+	set_icon_name("AudioStreamPlayer");
+	set_dock_shortcut(ED_SHORTCUT_AND_COMMAND("bottom_panels/toggle_audio_bottom_panel", TTRC("Toggle Audio Dock"), KeyModifierMask::ALT | Key::A));
+	set_default_slot(DockConstants::DOCK_SLOT_BOTTOM);
+	set_available_layouts(EditorDock::DOCK_LAYOUT_HORIZONTAL | EditorDock::DOCK_LAYOUT_FLOATING);
+
+	VBoxContainer *main_vb = memnew(VBoxContainer);
+	add_child(main_vb);
+
 	top_hb = memnew(HBoxContainer);
-	add_child(top_hb);
+	main_vb->add_child(top_hb);
 
 	edited_path = ResourceUID::ensure_path(GLOBAL_GET("audio/buses/default_bus_layout"));
 
@@ -1390,7 +1390,7 @@ EditorAudioBuses::EditorAudioBuses() {
 	bus_scroll = memnew(ScrollContainer);
 	bus_scroll->set_v_size_flags(SIZE_EXPAND_FILL);
 	bus_scroll->set_custom_minimum_size(Size2(0, 40 * EDSCALE));
-	add_child(bus_scroll);
+	main_vb->add_child(bus_scroll);
 	bus_hb = memnew(HBoxContainer);
 	bus_hb->set_v_size_flags(SIZE_EXPAND_FILL);
 	bus_scroll->add_child(bus_hb);
@@ -1398,7 +1398,7 @@ EditorAudioBuses::EditorAudioBuses() {
 	save_timer = memnew(Timer);
 	save_timer->set_wait_time(0.8);
 	save_timer->set_one_shot(true);
-	add_child(save_timer);
+	main_vb->add_child(save_timer);
 	save_timer->connect("timeout", callable_mp(this, &EditorAudioBuses::_server_save));
 
 	set_v_size_flags(SIZE_EXPAND_FILL);
@@ -1418,7 +1418,7 @@ EditorAudioBuses::EditorAudioBuses() {
 }
 
 void EditorAudioBuses::open_layout(const String &p_path) {
-	EditorNode::get_bottom_panel()->make_item_visible(this);
+	make_visible();
 
 	const String path = ResourceUID::ensure_path(p_path);
 

editor/audio/editor_audio_buses.h

@@ -30,8 +30,8 @@
 
 #pragma once
 
+#include "editor/docks/editor_dock.h"
 #include "editor/plugins/editor_plugin.h"
-#include "scene/gui/box_container.h"
 #include "scene/gui/button.h"
 #include "scene/gui/control.h"
 #include "scene/gui/line_edit.h"
@@ -47,6 +47,7 @@
 
 class EditorAudioBuses;
 class EditorFileDialog;
+class HBoxContainer;
 class Timer;
 
 class EditorAudioBus : public PanelContainer {
@@ -148,8 +149,8 @@ protected:
 	void _notification(int p_what);
 };
 
-class EditorAudioBuses : public VBoxContainer {
-	GDCLASS(EditorAudioBuses, VBoxContainer);
+class EditorAudioBuses : public EditorDock {
+	GDCLASS(EditorAudioBuses, EditorDock);
 
 	HBoxContainer *top_hb = nullptr;
 
@@ -194,8 +195,6 @@ class EditorAudioBuses : public VBoxContainer {
 	EditorFileDialog *file_dialog = nullptr;
 	bool new_layout = false;
 
-	bool use_default_editor_size = true;
-
 	void _file_dialog_callback(const String &p_string);
 
 protected:

editor/editor_node.cpp

@@ -6091,6 +6091,10 @@ void EditorNode::_load_editor_layout() {
 
 		if (overridden_default_layout >= 0) {
 			_layout_menu_option(overridden_default_layout);
+		} else {
+			ep.step(TTR("Loading docks..."), 1, true);
+			// Initialize some default values.
+			bottom_panel->load_layout_from_config(default_layout, EDITOR_NODE_CONFIG_SECTION);
 		}
 	} else {
 		ep.step(TTR("Loading docks..."), 1, true);
@@ -8799,6 +8803,12 @@ EditorNode::EditorNode() {
 		default_layout->set_value(docks_section, "dock_split_" + itos(i + 1), 0);
 	}
 
+	{
+		Dictionary offsets;
+		offsets["Audio"] = -450;
+		default_layout->set_value(EDITOR_NODE_CONFIG_SECTION, "bottom_panel_offsets", offsets);
+	}
+
 	_update_layouts_menu();
 
 	// Bottom panels.

editor/gui/editor_bottom_panel.cpp

@@ -79,20 +79,16 @@ void EditorBottomPanel::_theme_changed() {
 }
 
 void EditorBottomPanel::set_bottom_panel_offset(int p_offset) {
-	Control *current_tab = get_current_tab_control();
+	EditorDock *current_tab = Object::cast_to<EditorDock>(get_current_tab_control());
 	if (current_tab) {
-		String name = current_tab->get_name();
-		String key = name.to_snake_case();
-		dock_offsets[key] = p_offset;
+		dock_offsets[current_tab->get_effective_layout_key()] = p_offset;
 	}
 }
 
 int EditorBottomPanel::get_bottom_panel_offset() {
-	Control *current_tab = get_current_tab_control();
+	EditorDock *current_tab = Object::cast_to<EditorDock>(get_current_tab_control());
 	if (current_tab) {
-		String name = current_tab->get_name();
-		String key = name.to_snake_case();
-		return dock_offsets[key];
+		return dock_offsets[current_tab->get_effective_layout_key()];
 	}
 	return 0;
 }
@@ -126,19 +122,21 @@ void EditorBottomPanel::_repaint() {
 }
 
 void EditorBottomPanel::save_layout_to_config(Ref<ConfigFile> p_config_file, const String &p_section) const {
-	p_config_file->set_value(p_section, "selected_bottom_panel_item", get_current_tab() != -1 ? Variant(get_current_tab()) : Variant());
-
+	Dictionary offsets;
 	for (const KeyValue<String, int> &E : dock_offsets) {
-		p_config_file->set_value(p_section, "dock_" + E.key + "_offset", E.value);
+		offsets[E.key] = E.value;
 	}
+	p_config_file->set_value(p_section, "bottom_panel_offsets", offsets);
 }
 
 void EditorBottomPanel::load_layout_from_config(Ref<ConfigFile> p_config_file, const String &p_section) {
-	for (const Control *dock : bottom_docks) {
-		String name = dock->get_name();
-		String key = name.to_snake_case();
-		dock_offsets[key] = p_config_file->get_value(p_section, "dock_" + key + "_offset", 0);
+	const Dictionary offsets = p_config_file->get_value(p_section, "bottom_panel_offsets", Dictionary());
+	const LocalVector<Variant> offset_list = offsets.get_key_list();
+
+	for (const Variant &v : offset_list) {
+		dock_offsets[v] = offsets[v];
 	}
+	_update_center_split_offset();
 }
 
 void EditorBottomPanel::make_item_visible(Control *p_item, bool p_visible, bool p_ignore_lock) {

editor/gui/editor_bottom_panel.h

@@ -50,7 +50,7 @@ class EditorBottomPanel : public TabContainer {
 
 	int previous_tab = -1;
 	bool lock_panel_switching = false;
-	LocalVector<Control *> bottom_docks;
+	LocalVector<EditorDock *> bottom_docks;
 	LocalVector<Ref<Shortcut>> dock_shortcuts;
 	HashMap<String, int> dock_offsets;