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118eed485e
All usages of "type" to refer to classes were renamed to "class" ClassDB has been exposed to GDScript. OBJ_TYPE() macro is now GDCLASS()
423 lines
12 KiB
C++
423 lines
12 KiB
C++
/*************************************************************************/
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/* control.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 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 CONTROL_H
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#define CONTROL_H
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#include "scene/main/node.h"
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#include "scene/resources/theme.h"
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#include "scene/main/timer.h"
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#include "scene/2d/canvas_item.h"
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#include "math_2d.h"
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#include "rid.h"
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#include "scene/gui/input_action.h"
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/**
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@author Juan Linietsky <reduzio@gmail.com>
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*/
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class Viewport;
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class Label;
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class Panel;
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class Control : public CanvasItem {
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GDCLASS( Control, CanvasItem );
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OBJ_CATEGORY("GUI Nodes");
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public:
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enum AnchorType {
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ANCHOR_BEGIN,
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ANCHOR_END,
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ANCHOR_RATIO,
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ANCHOR_CENTER,
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};
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enum FocusMode {
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FOCUS_NONE,
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FOCUS_CLICK,
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FOCUS_ALL
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};
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enum SizeFlags {
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SIZE_EXPAND=1,
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SIZE_FILL=2,
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SIZE_EXPAND_FILL=SIZE_EXPAND|SIZE_FILL
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};
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enum CursorShape {
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CURSOR_ARROW,
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CURSOR_IBEAM,
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CURSOR_POINTING_HAND,
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CURSOR_CROSS,
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CURSOR_WAIT,
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CURSOR_BUSY,
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CURSOR_DRAG,
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CURSOR_CAN_DROP,
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CURSOR_FORBIDDEN,
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CURSOR_VSIZE,
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CURSOR_HSIZE,
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CURSOR_BDIAGSIZE,
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CURSOR_FDIAGSIZE,
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CURSOR_MOVE,
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CURSOR_VSPLIT,
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CURSOR_HSPLIT,
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CURSOR_HELP,
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CURSOR_MAX
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};
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private:
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struct CComparator {
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bool operator()(const Control* p_a, const Control* p_b) const {
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if (p_a->get_canvas_layer()==p_b->get_canvas_layer())
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return p_b->is_greater_than(p_a);
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else
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return p_a->get_canvas_layer() < p_b->get_canvas_layer();
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}
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};
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struct Data {
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Point2 pos_cache;
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Size2 size_cache;
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float margin[4];
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AnchorType anchor[4];
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FocusMode focus_mode;
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float rotation;
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Vector2 scale;
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bool pending_resize;
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int h_size_flags;
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int v_size_flags;
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float expand;
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bool pending_min_size_update;
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Point2 custom_minimum_size;
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bool ignore_mouse;
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bool stop_mouse;
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bool block_minimum_size_adjust;
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bool disable_visibility_clip;
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Control *parent;
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ObjectID drag_owner;
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bool modal;
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bool modal_exclusive;
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uint64_t modal_frame; //frame used to put something as modal
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Ref<Theme> theme;
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Control *theme_owner;
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String tooltip;
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CursorShape default_cursor;
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List<Control*>::Element *MI; //modal item
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List<Control*>::Element *SI;
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List<Control*>::Element *RI;
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CanvasItem *parent_canvas_item;
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ObjectID modal_prev_focus_owner;
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NodePath focus_neighbour[4];
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HashMap<StringName, Ref<Texture>, StringNameHasher > icon_override;
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HashMap<StringName, Ref<Shader>, StringNameHasher > shader_override;
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HashMap<StringName, Ref<StyleBox>, StringNameHasher > style_override;
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HashMap<StringName, Ref<Font>, StringNameHasher > font_override;
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HashMap<StringName, Color, StringNameHasher > color_override;
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HashMap<StringName, int, StringNameHasher > constant_override;
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Map< Ref<Font>, int> font_refcount;
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} data;
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// used internally
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Control* _find_control_at_pos(CanvasItem* p_node,const Point2& p_pos,const Matrix32& p_xform,Matrix32& r_inv_xform);
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void _window_find_focus_neighbour(const Vector2& p_dir, Node *p_at, const Point2* p_points ,float p_min,float &r_closest_dist,Control **r_closest);
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Control *_get_focus_neighbour(Margin p_margin,int p_count=0);
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void _set_anchor(Margin p_margin,AnchorType p_anchor);
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float _get_parent_range(int p_idx) const;
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float _get_range(int p_idx) const;
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float _s2a(float p_val, AnchorType p_anchor,float p_range) const;
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float _a2s(float p_val, AnchorType p_anchor,float p_range) const;
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void _propagate_theme_changed(CanvasItem *p_at, Control *p_owner, bool p_assign=true);
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void _theme_changed();
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void _change_notify_margins();
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void _update_minimum_size();
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void _update_scroll();
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void _resize(const Size2& p_size);
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void _size_changed();
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String _get_tooltip() const;
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// Deprecated, should be removed in a future version.
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void _set_rotation_deg(float p_degrees);
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float _get_rotation_deg() const;
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void _ref_font(Ref<Font> p_sc);
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void _unref_font( Ref<Font> p_sc);
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void _font_changed();
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void _update_canvas_item_transform();
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friend class Viewport;
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void _modal_stack_remove();
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void _modal_set_prev_focus_owner(ObjectID p_prev);
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protected:
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virtual void add_child_notify(Node *p_child);
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virtual void remove_child_notify(Node *p_child);
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//virtual void _window_input_event(InputEvent p_event);
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bool _set(const StringName& p_name, const Variant& p_value);
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bool _get(const StringName& p_name,Variant &r_ret) const;
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void _get_property_list( List<PropertyInfo> *p_list) const;
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void _notification(int p_notification);
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static void _bind_methods();
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//bind helpers
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public:
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enum {
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/* NOTIFICATION_DRAW=30,
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NOTIFICATION_VISIBILITY_CHANGED=38*/
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NOTIFICATION_RESIZED=40,
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NOTIFICATION_MOUSE_ENTER=41,
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NOTIFICATION_MOUSE_EXIT=42,
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NOTIFICATION_FOCUS_ENTER=43,
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NOTIFICATION_FOCUS_EXIT=44,
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NOTIFICATION_THEME_CHANGED=45,
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NOTIFICATION_MODAL_CLOSE=46,
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};
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virtual Variant edit_get_state() const;
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virtual void edit_set_state(const Variant& p_state);
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virtual void edit_set_rect(const Rect2& p_edit_rect);
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virtual Size2 edit_get_minimum_size() const;
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void accept_event();
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virtual Size2 get_minimum_size() const;
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virtual Size2 get_combined_minimum_size() const;
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virtual bool has_point(const Point2& p_point) const;
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virtual bool clips_input() const;
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virtual void set_drag_forwarding(Control* p_target);
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virtual Variant get_drag_data(const Point2& p_point);
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virtual bool can_drop_data(const Point2& p_point,const Variant& p_data) const;
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virtual void drop_data(const Point2& p_point,const Variant& p_data);
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void set_drag_preview(Control *p_control);
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void force_drag(const Variant& p_data,Control *p_control);
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void set_custom_minimum_size(const Size2& p_custom);
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Size2 get_custom_minimum_size() const;
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bool is_window_modal_on_top() const;
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uint64_t get_modal_frame() const; //frame in which this was made modal
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Control *get_parent_control() const;
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/* POSITIONING */
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void set_anchor(Margin p_margin,AnchorType p_anchor, bool p_keep_margin=false);
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void set_anchor_and_margin(Margin p_margin,AnchorType p_anchor, float p_pos);
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AnchorType get_anchor(Margin p_margin) const;
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void set_margin(Margin p_margin,float p_value);
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void set_begin(const Point2& p_point); // helper
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void set_end(const Point2& p_point); // helper
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float get_margin(Margin p_margin) const;
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Point2 get_begin() const;
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Point2 get_end() const;
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void set_pos(const Point2& p_point);
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void set_size(const Size2& p_size);
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void set_global_pos(const Point2& p_point);
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Point2 get_pos() const;
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Point2 get_global_pos() const;
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Size2 get_size() const;
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Rect2 get_rect() const;
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Rect2 get_global_rect() const;
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Rect2 get_window_rect() const; ///< use with care, as it blocks waiting for the visual server
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void set_rotation(float p_radians);
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void set_rotation_deg(float p_degrees);
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float get_rotation() const;
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float get_rotation_deg() const;
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void set_scale(const Vector2& p_scale);
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Vector2 get_scale() const;
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void set_area_as_parent_rect(int p_margin=0);
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void show_modal(bool p_exclusive=false);
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void set_theme(const Ref<Theme>& p_theme);
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Ref<Theme> get_theme() const;
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void set_h_size_flags(int p_flags);
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int get_h_size_flags() const;
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void set_v_size_flags(int p_flags);
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int get_v_size_flags() const;
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void set_stretch_ratio(float p_ratio);
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float get_stretch_ratio() const;
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void minimum_size_changed();
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/* FOCUS */
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void set_focus_mode(FocusMode p_focus_mode);
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FocusMode get_focus_mode() const;
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bool has_focus() const;
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void grab_focus();
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void release_focus();
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Control *find_next_valid_focus() const;
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Control *find_prev_valid_focus() const;
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void set_focus_neighbour(Margin p_margin, const NodePath &p_neighbour);
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NodePath get_focus_neighbour(Margin p_margin) const;
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Control *get_focus_owner() const;
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void set_ignore_mouse(bool p_ignore);
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bool is_ignoring_mouse() const;
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void set_stop_mouse(bool p_stop);
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bool is_stopping_mouse() const;
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/* SKINNING */
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void add_icon_override(const StringName& p_name, const Ref<Texture>& p_icon);
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void add_shader_override(const StringName& p_name, const Ref<Shader>& p_shader);
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void add_style_override(const StringName& p_name, const Ref<StyleBox>& p_style);
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void add_font_override(const StringName& p_name, const Ref<Font>& p_font);
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void add_color_override(const StringName& p_name, const Color& p_color);
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void add_constant_override(const StringName& p_name, int p_constant);
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Ref<Texture> get_icon(const StringName& p_name,const StringName& p_type=StringName()) const;
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Ref<Shader> get_shader(const StringName &p_name, const StringName &p_type=StringName()) const;
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Ref<StyleBox> get_stylebox(const StringName& p_name,const StringName& p_type=StringName()) const;
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Ref<Font> get_font(const StringName& p_name,const StringName& p_type=StringName()) const;
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Color get_color(const StringName& p_name,const StringName& p_type=StringName()) const;
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int get_constant(const StringName& p_name,const StringName& p_type=StringName()) const;
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bool has_icon_override(const StringName& p_name) const;
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bool has_shader_override(const StringName& p_name) const;
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bool has_stylebox_override(const StringName& p_name) const;
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bool has_font_override(const StringName& p_name) const;
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bool has_color_override(const StringName& p_name) const;
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bool has_constant_override(const StringName& p_name) const;
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bool has_icon(const StringName& p_name,const StringName& p_type=StringName()) const;
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bool has_shader(const StringName& p_name,const StringName& p_type=StringName()) const;
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bool has_stylebox(const StringName& p_name,const StringName& p_type=StringName()) const;
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bool has_font(const StringName& p_name,const StringName& p_type=StringName()) const;
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bool has_color(const StringName& p_name,const StringName& p_type=StringName()) const;
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bool has_constant(const StringName& p_name,const StringName& p_type=StringName()) const;
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/* TOOLTIP */
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void set_tooltip(const String& p_tooltip);
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virtual String get_tooltip(const Point2& p_pos) const;
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/* CURSOR */
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void set_default_cursor_shape(CursorShape p_shape);
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CursorShape get_default_cursor_shape() const;
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virtual CursorShape get_cursor_shape(const Point2& p_pos=Point2i()) const;
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virtual Rect2 get_item_rect() const;
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virtual Matrix32 get_transform() const;
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bool is_toplevel_control() const;
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Size2 get_parent_area_size() const;
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void grab_click_focus();
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void warp_mouse(const Point2& p_to_pos);
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virtual bool is_text_field() const;
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Control *get_root_parent_control() const;
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void set_block_minimum_size_adjust(bool p_block);
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bool is_minimum_size_adjust_blocked() const;
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void set_disable_visibility_clip(bool p_ignore);
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bool is_visibility_clip_disabled() const;
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virtual void get_argument_options(const StringName& p_function,int p_idx,List<String>*r_options) const;
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Control();
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~Control();
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};
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VARIANT_ENUM_CAST(Control::AnchorType);
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VARIANT_ENUM_CAST(Control::FocusMode);
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VARIANT_ENUM_CAST(Control::SizeFlags);
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VARIANT_ENUM_CAST(Control::CursorShape);
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#endif
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