Use forward-declarations in EditorPlugin where possible

editor/plugins/abstract_polygon_2d_editor.h

@@ -36,6 +36,7 @@
 #include "scene/gui/box_container.h"
 
 class CanvasItemEditor;
+class ConfirmationDialog;
 
 class AbstractPolygon2DEditor : public HBoxContainer {
 	GDCLASS(AbstractPolygon2DEditor, HBoxContainer);

editor/plugins/animation_blend_space_1d_editor.h

@@ -40,7 +40,8 @@
 #include "scene/gui/separator.h"
 #include "scene/gui/tree.h"
 
-class EditorUndoRedoManager;
+class CheckBox;
+class PanelContainer;
 
 class AnimationNodeBlendSpace1DEditor : public AnimationTreeNodeEditorPlugin {
 	GDCLASS(AnimationNodeBlendSpace1DEditor, AnimationTreeNodeEditorPlugin);

editor/plugins/animation_blend_space_2d_editor.cpp

@@ -42,6 +42,7 @@
 #include "editor/editor_undo_redo_manager.h"
 #include "scene/animation/animation_blend_tree.h"
 #include "scene/animation/animation_player.h"
+#include "scene/gui/grid_container.h"
 #include "scene/gui/menu_button.h"
 #include "scene/gui/panel.h"
 #include "scene/main/window.h"

editor/plugins/animation_blend_space_2d_editor.h

@@ -40,6 +40,10 @@
 #include "scene/gui/separator.h"
 #include "scene/gui/tree.h"
 
+class CheckBox;
+class OptionButton;
+class PanelContainer;
+
 class EditorUndoRedoManager;
 
 class AnimationNodeBlendSpace2DEditor : public AnimationTreeNodeEditorPlugin {

editor/plugins/animation_blend_tree_editor_plugin.h

@@ -31,17 +31,22 @@
 #ifndef ANIMATION_BLEND_TREE_EDITOR_PLUGIN_H
 #define ANIMATION_BLEND_TREE_EDITOR_PLUGIN_H
 
-#include "editor/editor_plugin.h"
 #include "editor/plugins/animation_tree_editor_plugin.h"
 #include "scene/animation/animation_blend_tree.h"
 #include "scene/gui/button.h"
 #include "scene/gui/graph_edit.h"
+#include "scene/gui/panel_container.h"
 #include "scene/gui/popup.h"
 #include "scene/gui/tree.h"
 
+class AcceptDialog;
+class CheckBox;
 class ProgressBar;
 class EditorFileDialog;
+class EditorProperty;
 class EditorUndoRedoManager;
+class MenuButton;
+class PanelContainer;
 
 class AnimationNodeBlendTreeEditor : public AnimationTreeNodeEditorPlugin {
 	GDCLASS(AnimationNodeBlendTreeEditor, AnimationTreeNodeEditorPlugin);

editor/plugins/animation_state_machine_editor.h

@@ -31,16 +31,17 @@
 #ifndef ANIMATION_STATE_MACHINE_EDITOR_H
 #define ANIMATION_STATE_MACHINE_EDITOR_H
 
-#include "editor/editor_plugin.h"
 #include "editor/plugins/animation_tree_editor_plugin.h"
 #include "scene/animation/animation_node_state_machine.h"
-#include "scene/gui/button.h"
 #include "scene/gui/graph_edit.h"
 #include "scene/gui/popup.h"
 #include "scene/gui/tree.h"
 
+class ConfirmationDialog;
 class EditorFileDialog;
 class EditorUndoRedoManager;
+class OptionButton;
+class PanelContainer;
 
 class AnimationNodeStateMachineEditor : public AnimationTreeNodeEditorPlugin {
 	GDCLASS(AnimationNodeStateMachineEditor, AnimationTreeNodeEditorPlugin);

editor/plugins/asset_library_editor_plugin.h

@@ -50,6 +50,9 @@
 #include "scene/gui/texture_button.h"
 #include "scene/main/http_request.h"
 
+class EditorFileDialog;
+class MenuButton;
+
 class EditorAssetLibraryItem : public PanelContainer {
 	GDCLASS(EditorAssetLibraryItem, PanelContainer);
 

editor/plugins/bit_map_editor_plugin.h

@@ -31,9 +31,12 @@
 #ifndef BIT_MAP_EDITOR_PLUGIN_H
 #define BIT_MAP_EDITOR_PLUGIN_H
 
+#include "editor/editor_inspector.h"
 #include "editor/editor_plugin.h"
 #include "scene/resources/bit_map.h"
 
+class TextureRect;
+
 class BitMapEditor : public VBoxContainer {
 	GDCLASS(BitMapEditor, VBoxContainer);
 

editor/plugins/canvas_item_editor_plugin.h

@@ -42,8 +42,11 @@
 #include "scene/gui/texture_rect.h"
 #include "scene/main/canvas_item.h"
 
+class AcceptDialog;
+class ConfirmationDialog;
 class EditorData;
 class CanvasItemEditorViewport;
+class MenuButton;
 class ViewPanner;
 
 class CanvasItemEditorSelectedItem : public Object {

editor/plugins/control_editor_plugin.cpp

@@ -35,6 +35,7 @@
 #include "editor/editor_settings.h"
 #include "editor/editor_undo_redo_manager.h"
 #include "editor/plugins/canvas_item_editor_plugin.h"
+#include "scene/gui/grid_container.h"
 #include "scene/gui/separator.h"
 
 // Inspector controls.

editor/plugins/control_editor_plugin.h

@@ -31,6 +31,7 @@
 #ifndef CONTROL_EDITOR_PLUGIN_H
 #define CONTROL_EDITOR_PLUGIN_H
 
+#include "editor/editor_inspector.h"
 #include "editor/editor_plugin.h"
 #include "scene/gui/box_container.h"
 #include "scene/gui/button.h"
@@ -45,6 +46,7 @@
 #include "scene/gui/texture_rect.h"
 
 class EditorUndoRedoManager;
+class GridContainer;
 
 // Inspector controls.
 class ControlPositioningWarning : public MarginContainer {

editor/plugins/cpu_particles_2d_editor_plugin.h

@@ -36,10 +36,13 @@
 #include "scene/2d/cpu_particles_2d.h"
 #include "scene/gui/box_container.h"
 
-class EditorPlugin;
+class CheckBox;
+class ConfirmationDialog;
 class SpinBox;
 class EditorFileDialog;
 class EditorUndoRedoManager;
+class MenuButton;
+class OptionButton;
 
 class CPUParticles2DEditorPlugin : public EditorPlugin {
 	GDCLASS(CPUParticles2DEditorPlugin, EditorPlugin);

editor/plugins/curve_editor_plugin.h

@@ -31,6 +31,7 @@
 #ifndef CURVE_EDITOR_PLUGIN_H
 #define CURVE_EDITOR_PLUGIN_H
 
+#include "editor/editor_inspector.h"
 #include "editor/editor_plugin.h"
 #include "editor/editor_resource_preview.h"
 #include "scene/resources/curve.h"

editor/plugins/gpu_particles_2d_editor_plugin.h

@@ -37,8 +37,12 @@
 #include "scene/gui/box_container.h"
 #include "scene/gui/spin_box.h"
 
+class CheckBox;
+class ConfirmationDialog;
 class EditorFileDialog;
 class EditorUndoRedoManager;
+class MenuButton;
+class OptionButton;
 
 class GPUParticles2DEditorPlugin : public EditorPlugin {
 	GDCLASS(GPUParticles2DEditorPlugin, EditorPlugin);

editor/plugins/gpu_particles_3d_editor_plugin.h

@@ -35,6 +35,10 @@
 #include "scene/3d/gpu_particles_3d.h"
 #include "scene/gui/spin_box.h"
 
+class ConfirmationDialog;
+class HBoxContainer;
+class MenuButton;
+class OptionButton;
 class SceneTreeDialog;
 
 class GPUParticles3DEditorBase : public Control {

editor/plugins/gpu_particles_collision_sdf_editor_plugin.h

@@ -37,6 +37,7 @@
 
 struct EditorProgress;
 class EditorFileDialog;
+class HBoxContainer;
 
 class GPUParticlesCollisionSDF3DEditorPlugin : public EditorPlugin {
 	GDCLASS(GPUParticlesCollisionSDF3DEditorPlugin, EditorPlugin);

editor/plugins/gradient_editor_plugin.h

@@ -31,6 +31,7 @@
 #ifndef GRADIENT_EDITOR_PLUGIN_H
 #define GRADIENT_EDITOR_PLUGIN_H
 
+#include "editor/editor_inspector.h"
 #include "editor/editor_plugin.h"
 #include "gradient_editor.h"
 

editor/plugins/gradient_texture_2d_editor_plugin.h

@@ -31,6 +31,7 @@
 #ifndef GRADIENT_TEXTURE_2D_EDITOR_PLUGIN_H
 #define GRADIENT_TEXTURE_2D_EDITOR_PLUGIN_H
 
+#include "editor/editor_inspector.h"
 #include "editor/editor_plugin.h"
 #include "editor/editor_spin_slider.h"
 

editor/plugins/material_editor_plugin.h

@@ -31,6 +31,7 @@
 #ifndef MATERIAL_EDITOR_PLUGIN_H
 #define MATERIAL_EDITOR_PLUGIN_H
 
+#include "editor/editor_inspector.h"
 #include "editor/editor_plugin.h"
 #include "editor/plugins/editor_resource_conversion_plugin.h"
 #include "scene/3d/camera_3d.h"

editor/plugins/mesh_editor_plugin.h

@@ -31,6 +31,7 @@
 #ifndef MESH_EDITOR_PLUGIN_H
 #define MESH_EDITOR_PLUGIN_H
 
+#include "editor/editor_inspector.h"
 #include "editor/editor_plugin.h"
 #include "scene/3d/camera_3d.h"
 #include "scene/3d/light_3d.h"

editor/plugins/mesh_instance_3d_editor_plugin.h

@@ -35,6 +35,10 @@
 #include "scene/3d/mesh_instance_3d.h"
 #include "scene/gui/spin_box.h"
 
+class AcceptDialog;
+class ConfirmationDialog;
+class MenuButton;
+
 class MeshInstance3DEditor : public Control {
 	GDCLASS(MeshInstance3DEditor, Control);
 

editor/plugins/multimesh_editor_plugin.h

@@ -36,6 +36,10 @@
 #include "scene/gui/slider.h"
 #include "scene/gui/spin_box.h"
 
+class AcceptDialog;
+class ConfirmationDialog;
+class MenuButton;
+class OptionButton;
 class SceneTreeDialog;
 
 class MultiMeshEditor : public Control {

editor/plugins/node_3d_editor_plugin.h

@@ -39,6 +39,7 @@
 #include "scene/3d/light_3d.h"
 #include "scene/3d/visual_instance_3d.h"
 #include "scene/3d/world_environment.h"
+#include "scene/gui/box_container.h"
 #include "scene/gui/color_picker.h"
 #include "scene/gui/panel_container.h"
 #include "scene/gui/spin_box.h"
@@ -47,9 +48,14 @@
 #include "scene/resources/fog_material.h"
 #include "scene/resources/sky_material.h"
 
+class AcceptDialog;
+class CheckBox;
+class ConfirmationDialog;
 class EditorData;
+class MenuButton;
 class Node3DEditor;
 class Node3DEditorViewport;
+class OptionButton;
 class SubViewportContainer;
 class DirectionalLight3D;
 class WorldEnvironment;

editor/plugins/path_2d_editor_plugin.h

@@ -33,10 +33,12 @@
 
 #include "editor/editor_plugin.h"
 #include "scene/2d/path_2d.h"
+#include "scene/gui/box_container.h"
 #include "scene/gui/separator.h"
 
 class CanvasItemEditor;
 class EditorUndoRedoManager;
+class MenuButton;
 
 class Path2DEditor : public HBoxContainer {
 	GDCLASS(Path2DEditor, HBoxContainer);

editor/plugins/path_3d_editor_plugin.h

@@ -37,6 +37,8 @@
 #include "scene/3d/path_3d.h"
 #include "scene/gui/separator.h"
 
+class MenuButton;
+
 class Path3DGizmo : public EditorNode3DGizmo {
 	GDCLASS(Path3DGizmo, EditorNode3DGizmo);
 

editor/plugins/polygon_2d_editor_plugin.h

@@ -33,11 +33,17 @@
 
 #include "editor/plugins/abstract_polygon_2d_editor.h"
 
+class AcceptDialog;
+class ButtonGroup;
+class HScrollBar;
 class HSlider;
+class MenuButton;
 class Panel;
 class ScrollContainer;
 class SpinBox;
+class TextureRect;
 class ViewPanner;
+class VScrollBar;
 
 class Polygon2DEditor : public AbstractPolygon2DEditor {
 	GDCLASS(Polygon2DEditor, AbstractPolygon2DEditor);

editor/plugins/polygon_3d_editor_plugin.h

@@ -34,10 +34,12 @@
 #include "editor/editor_plugin.h"
 #include "scene/3d/collision_polygon_3d.h"
 #include "scene/3d/mesh_instance_3d.h"
+#include "scene/gui/box_container.h"
 #include "scene/resources/immediate_mesh.h"
 
 class CanvasItemEditor;
 class EditorUndoRedoManager;
+class MenuButton;
 
 class Polygon3DEditor : public HBoxContainer {
 	GDCLASS(Polygon3DEditor, HBoxContainer);

editor/plugins/resource_preloader_editor_plugin.h

@@ -33,6 +33,7 @@
 
 #include "editor/editor_plugin.h"
 #include "scene/gui/dialogs.h"
+#include "scene/gui/panel_container.h"
 #include "scene/gui/tree.h"
 #include "scene/main/resource_preloader.h"
 

editor/plugins/root_motion_editor_plugin.cpp

@@ -30,6 +30,8 @@
 
 #include "root_motion_editor_plugin.h"
 #include "editor/editor_node.h"
+#include "scene/animation/animation_player.h"
+#include "scene/animation/animation_tree.h"
 #include "scene/main/window.h"
 
 void EditorPropertyRootMotion::_confirmed() {

editor/plugins/root_motion_editor_plugin.h

@@ -32,9 +32,8 @@
 #define ROOT_MOTION_EDITOR_PLUGIN_H
 
 #include "editor/editor_inspector.h"
-#include "editor/editor_spin_slider.h"
-#include "editor/property_selector.h"
-#include "scene/animation/animation_tree.h"
+
+class Tree;
 
 class EditorPropertyRootMotion : public EditorProperty {
 	GDCLASS(EditorPropertyRootMotion, EditorProperty);

editor/plugins/script_editor_plugin.h

@@ -48,6 +48,7 @@
 #include "scene/resources/text_file.h"
 
 class EditorFileDialog;
+class TextureRect;
 
 class EditorSyntaxHighlighter : public SyntaxHighlighter {
 	GDCLASS(EditorSyntaxHighlighter, SyntaxHighlighter)

editor/plugins/shader_editor_plugin.h

@@ -35,6 +35,7 @@
 
 class HSplitContainer;
 class ItemList;
+class MenuButton;
 class ShaderCreateDialog;
 class TabContainer;
 class TextShaderEditor;

editor/plugins/skeleton_2d_editor_plugin.h

@@ -35,6 +35,9 @@
 #include "scene/2d/skeleton_2d.h"
 #include "scene/gui/spin_box.h"
 
+class AcceptDialog;
+class MenuButton;
+
 class Skeleton2DEditor : public Control {
 	GDCLASS(Skeleton2DEditor, Control);
 

editor/plugins/sprite_2d_editor_plugin.h

@@ -35,6 +35,10 @@
 #include "scene/2d/sprite_2d.h"
 #include "scene/gui/spin_box.h"
 
+class AcceptDialog;
+class ConfirmationDialog;
+class MenuButton;
+
 class Sprite2DEditor : public Control {
 	GDCLASS(Sprite2DEditor, Control);
 

editor/plugins/texture_3d_editor_plugin.h

@@ -31,6 +31,7 @@
 #ifndef TEXTURE_3D_EDITOR_PLUGIN_H
 #define TEXTURE_3D_EDITOR_PLUGIN_H
 
+#include "editor/editor_inspector.h"
 #include "editor/editor_plugin.h"
 #include "scene/gui/spin_box.h"
 #include "scene/resources/shader.h"

editor/plugins/texture_editor_plugin.h

@@ -31,9 +31,13 @@
 #ifndef TEXTURE_EDITOR_PLUGIN_H
 #define TEXTURE_EDITOR_PLUGIN_H
 
+#include "editor/editor_inspector.h"
 #include "editor/editor_plugin.h"
+#include "scene/gui/margin_container.h"
 #include "scene/resources/texture.h"
 
+class TextureRect;
+
 class TexturePreview : public MarginContainer {
 	GDCLASS(TexturePreview, MarginContainer);
 

editor/plugins/texture_layered_editor_plugin.h

@@ -31,6 +31,7 @@
 #ifndef TEXTURE_LAYERED_EDITOR_PLUGIN_H
 #define TEXTURE_LAYERED_EDITOR_PLUGIN_H
 
+#include "editor/editor_inspector.h"
 #include "editor/editor_plugin.h"
 #include "scene/gui/spin_box.h"
 #include "scene/resources/shader.h"

editor/plugins/texture_region_editor_plugin.h

@@ -32,6 +32,7 @@
 #define TEXTURE_REGION_EDITOR_PLUGIN_H
 
 #include "canvas_item_editor_plugin.h"
+#include "editor/editor_inspector.h"
 #include "editor/editor_plugin.h"
 #include "scene/2d/sprite_2d.h"
 #include "scene/3d/sprite_3d.h"
@@ -41,6 +42,7 @@
 
 class ViewPanner;
 class EditorUndoRedoManager;
+class OptionButton;
 
 class TextureRegionEditor : public AcceptDialog {
 	GDCLASS(TextureRegionEditor, AcceptDialog);

editor/plugins/theme_editor_plugin.h

@@ -45,6 +45,8 @@
 #include "scene/resources/theme.h"
 
 class EditorFileDialog;
+class PanelContainer;
+class TabContainer;
 
 class ThemeItemImportTree : public VBoxContainer {
 	GDCLASS(ThemeItemImportTree, VBoxContainer);

editor/plugins/visual_shader_editor_plugin.h

@@ -32,20 +32,13 @@
 #define VISUAL_SHADER_EDITOR_PLUGIN_H
 
 #include "editor/editor_plugin.h"
+#include "editor/editor_properties.h"
 #include "editor/plugins/editor_resource_conversion_plugin.h"
 #include "scene/resources/visual_shader.h"
 
-class Button;
-class CodeEdit;
-class CodeHighlighter;
 class CurveEditor;
 class GraphEdit;
 class GraphNode;
-class PopupMenu;
-class PopupPanel;
-class RichTextLabel;
-class TextEdit;
-class Tree;
 
 class VisualShaderEditor;
 class EditorUndoRedoManager;

editor/plugins/voxel_gi_editor_plugin.h

@@ -37,6 +37,7 @@
 
 class EditorFileDialog;
 struct EditorProgress;
+class HBoxContainer;
 
 class VoxelGIEditorPlugin : public EditorPlugin {
 	GDCLASS(VoxelGIEditorPlugin, EditorPlugin);