mirror of
https://github.com/Relintai/pandemonium_engine.git
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306 lines
9.0 KiB
C++
306 lines
9.0 KiB
C++
#ifndef GRAPH_EDIT_H
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#define GRAPH_EDIT_H
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/*************************************************************************/
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/* graph_edit.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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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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#include "scene/main/control.h"
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class GraphEdit;
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class GraphEditMinimap;
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class GraphNode;
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class Label;
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class ToolButton;
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class SpinBox;
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class Button;
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class HScrollBar;
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class VScrollBar;
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class HBoxContainer;
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class GraphEditFilter : public Control {
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GDCLASS(GraphEditFilter, Control);
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friend class GraphEdit;
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friend class GraphEditMinimap;
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GraphEdit *ge;
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virtual bool has_point(const Point2 &p_point) const;
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public:
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GraphEditFilter(GraphEdit *p_edit);
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};
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class GraphEditMinimap : public Control {
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GDCLASS(GraphEditMinimap, Control);
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friend class GraphEdit;
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friend class GraphEditFilter;
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GraphEdit *ge;
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protected:
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static void _bind_methods();
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public:
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GraphEditMinimap(GraphEdit *p_edit);
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void update_minimap();
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Rect2 get_camera_rect();
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private:
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Vector2 minimap_padding;
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Vector2 minimap_offset;
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Vector2 graph_proportions;
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Vector2 graph_padding;
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Vector2 camera_position;
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Vector2 camera_size;
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bool is_pressing;
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bool is_resizing;
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Vector2 _get_render_size();
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Vector2 _get_graph_offset();
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Vector2 _get_graph_size();
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Vector2 _convert_from_graph_position(const Vector2 &p_position);
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Vector2 _convert_to_graph_position(const Vector2 &p_position);
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void _gui_input(const Ref<InputEvent> &p_ev);
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void _adjust_graph_scroll(const Vector2 &p_offset);
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};
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class GraphEdit : public Control {
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GDCLASS(GraphEdit, Control);
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public:
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struct Connection {
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StringName from;
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StringName to;
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int from_port;
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int to_port;
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float activity;
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};
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private:
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Label *zoom_label;
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ToolButton *zoom_minus;
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ToolButton *zoom_reset;
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ToolButton *zoom_plus;
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ToolButton *snap_button;
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SpinBox *snap_amount;
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Button *minimap_button;
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HScrollBar *h_scroll;
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VScrollBar *v_scroll;
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float port_grab_distance_horizontal;
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float port_grab_distance_vertical;
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bool connecting = false;
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String connecting_from;
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bool connecting_out = false;
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int connecting_index;
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int connecting_type;
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Color connecting_color;
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bool connecting_target = false;
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Vector2 connecting_to;
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String connecting_target_to;
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int connecting_target_index;
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bool just_disconnected = false;
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bool connecting_valid = false;
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Vector2 click_pos;
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bool dragging = false;
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bool just_selected = false;
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bool moving_selection = false;
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Vector2 drag_accum;
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float zoom = 1.0f;
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float zoom_step = 1.2;
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float zoom_min;
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float zoom_max;
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void _zoom_minus();
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void _zoom_reset();
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void _zoom_plus();
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void _update_zoom_label();
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bool box_selecting = false;
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bool box_selection_mode_additive = false;
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Point2 box_selecting_from;
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Point2 box_selecting_to;
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Rect2 box_selecting_rect;
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List<GraphNode *> previous_selected;
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bool setting_scroll_ofs = false;
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bool right_disconnects = false;
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bool updating = false;
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bool awaiting_scroll_offset_update = false;
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List<Connection> connections;
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void _bake_segment2d(Vector<Vector2> &points, Vector<Color> &colors, float p_begin, float p_end, const Vector2 &p_a, const Vector2 &p_out, const Vector2 &p_b, const Vector2 &p_in, int p_depth, int p_min_depth, int p_max_depth, float p_tol, const Color &p_color, const Color &p_to_color, int &lines) const;
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void _draw_cos_line(CanvasItem *p_where, const Vector2 &p_from, const Vector2 &p_to, const Color &p_color, const Color &p_to_color, float p_width = 2.0, float p_bezier_ratio = 1.0);
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void _graph_node_selected(Node *p_gn);
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void _graph_node_unselected(Node *p_gn);
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void _graph_node_raised(Node *p_gn);
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void _graph_node_moved(Node *p_gn);
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void _graph_node_slot_updated(int p_index, Node *p_gn);
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void _update_scroll();
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void _scroll_moved(double);
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void _gui_input(const Ref<InputEvent> &p_ev);
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Control *connections_layer;
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GraphEditFilter *top_layer;
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GraphEditMinimap *minimap;
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void _top_layer_input(const Ref<InputEvent> &p_ev);
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bool is_in_hot_zone(const Vector2 &pos, const Vector2 &p_mouse_pos, const Vector2i &p_port_size, bool p_left);
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void _top_layer_draw();
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void _connections_layer_draw();
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void _minimap_draw();
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void _update_scroll_offset();
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Array _get_connection_list() const;
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bool lines_on_bg;
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struct ConnType {
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union {
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struct {
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uint32_t type_a;
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uint32_t type_b;
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};
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uint64_t key;
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};
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bool operator<(const ConnType &p_type) const {
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return key < p_type.key;
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}
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ConnType(uint32_t a = 0, uint32_t b = 0) {
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type_a = a;
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type_b = b;
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}
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};
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RBSet<ConnType> valid_connection_types;
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RBSet<int> valid_left_disconnect_types;
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RBSet<int> valid_right_disconnect_types;
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HBoxContainer *zoom_hb;
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friend class GraphEditFilter;
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bool _filter_input(const Point2 &p_point);
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void _snap_toggled();
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void _snap_value_changed(double);
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friend class GraphEditMinimap;
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void _minimap_toggled();
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bool _check_clickable_control(Control *p_control, const Vector2 &pos);
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protected:
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static void _bind_methods();
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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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void _notification(int p_what);
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virtual bool clips_input() const;
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public:
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Error connect_node(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port);
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bool is_node_connected(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port);
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void disconnect_node(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port);
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void clear_connections();
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void set_connection_activity(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port, float p_activity);
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void add_valid_connection_type(int p_type, int p_with_type);
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void remove_valid_connection_type(int p_type, int p_with_type);
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bool is_valid_connection_type(int p_type, int p_with_type) const;
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void set_zoom(float p_zoom);
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void set_zoom_custom(float p_zoom, const Vector2 &p_center);
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float get_zoom() const;
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void set_zoom_min(float p_zoom_min);
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float get_zoom_min() const;
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void set_zoom_max(float p_zoom_max);
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float get_zoom_max() const;
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void set_zoom_step(float p_zoom_step);
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float get_zoom_step() const;
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void set_show_zoom_label(bool p_enable);
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bool is_showing_zoom_label() const;
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void set_minimap_size(Vector2 p_size);
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Vector2 get_minimap_size() const;
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void set_minimap_opacity(float p_opacity);
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float get_minimap_opacity() const;
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void set_minimap_enabled(bool p_enable);
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bool is_minimap_enabled() const;
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GraphEditFilter *get_top_layer() const { return top_layer; }
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GraphEditMinimap *get_minimap() const { return minimap; }
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void get_connection_list(List<Connection> *r_connections) const;
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void set_right_disconnects(bool p_enable);
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bool is_right_disconnects_enabled() const;
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void add_valid_right_disconnect_type(int p_type);
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void remove_valid_right_disconnect_type(int p_type);
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void add_valid_left_disconnect_type(int p_type);
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void remove_valid_left_disconnect_type(int p_type);
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void set_scroll_ofs(const Vector2 &p_ofs);
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Vector2 get_scroll_ofs() const;
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void set_selected(Node *p_child);
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void set_use_snap(bool p_enable);
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bool is_using_snap() const;
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int get_snap() const;
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void set_snap(int p_snap);
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HBoxContainer *get_zoom_hbox();
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GraphEdit();
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};
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#endif // GRAPHEdit_H
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