360 lines
12 KiB
C++
360 lines
12 KiB
C++
/*************************************************************************/
|
|
/* graph_edit.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* 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 GRAPH_EDIT_H
|
|
#define GRAPH_EDIT_H
|
|
|
|
#include "scene/gui/box_container.h"
|
|
#include "scene/gui/button.h"
|
|
#include "scene/gui/graph_node.h"
|
|
#include "scene/gui/label.h"
|
|
#include "scene/gui/scroll_bar.h"
|
|
#include "scene/gui/spin_box.h"
|
|
|
|
class GraphEdit;
|
|
class ViewPanner;
|
|
|
|
class GraphEditFilter : public Control {
|
|
GDCLASS(GraphEditFilter, Control);
|
|
|
|
friend class GraphEdit;
|
|
friend class GraphEditMinimap;
|
|
GraphEdit *ge;
|
|
virtual bool has_point(const Point2 &p_point) const override;
|
|
|
|
public:
|
|
GraphEditFilter(GraphEdit *p_edit);
|
|
};
|
|
|
|
class GraphEditMinimap : public Control {
|
|
GDCLASS(GraphEditMinimap, Control);
|
|
|
|
friend class GraphEdit;
|
|
friend class GraphEditFilter;
|
|
GraphEdit *ge;
|
|
|
|
protected:
|
|
public:
|
|
GraphEditMinimap(GraphEdit *p_edit);
|
|
|
|
void update_minimap();
|
|
Rect2 get_camera_rect();
|
|
|
|
private:
|
|
Vector2 minimap_padding;
|
|
Vector2 minimap_offset;
|
|
Vector2 graph_proportions;
|
|
Vector2 graph_padding;
|
|
Vector2 camera_position;
|
|
Vector2 camera_size;
|
|
|
|
bool is_pressing;
|
|
bool is_resizing;
|
|
|
|
Vector2 _get_render_size();
|
|
Vector2 _get_graph_offset();
|
|
Vector2 _get_graph_size();
|
|
|
|
Vector2 _convert_from_graph_position(const Vector2 &p_position);
|
|
Vector2 _convert_to_graph_position(const Vector2 &p_position);
|
|
|
|
virtual void gui_input(const Ref<InputEvent> &p_ev) override;
|
|
|
|
void _adjust_graph_scroll(const Vector2 &p_offset);
|
|
};
|
|
|
|
class GraphEdit : public Control {
|
|
GDCLASS(GraphEdit, Control);
|
|
|
|
public:
|
|
struct Connection {
|
|
StringName from;
|
|
StringName to;
|
|
int from_port = 0;
|
|
int to_port = 0;
|
|
float activity = 0.0;
|
|
};
|
|
|
|
// Should be in sync with ControlScheme in ViewPanner.
|
|
enum PanningScheme {
|
|
SCROLL_ZOOMS,
|
|
SCROLL_PANS,
|
|
};
|
|
|
|
private:
|
|
Label *zoom_label;
|
|
Button *zoom_minus;
|
|
Button *zoom_reset;
|
|
Button *zoom_plus;
|
|
|
|
Button *snap_button;
|
|
SpinBox *snap_amount;
|
|
|
|
Button *minimap_button;
|
|
|
|
Button *layout_button;
|
|
|
|
HScrollBar *h_scroll;
|
|
VScrollBar *v_scroll;
|
|
|
|
float port_grab_distance_horizontal = 0.0;
|
|
float port_grab_distance_vertical;
|
|
|
|
Ref<ViewPanner> panner;
|
|
bool warped_panning = true;
|
|
void _scroll_callback(Vector2 p_scroll_vec, bool p_alt);
|
|
void _pan_callback(Vector2 p_scroll_vec);
|
|
void _zoom_callback(Vector2 p_scroll_vec, Vector2 p_origin, bool p_alt);
|
|
|
|
bool connecting = false;
|
|
String connecting_from;
|
|
bool connecting_out = false;
|
|
int connecting_index = 0;
|
|
int connecting_type = 0;
|
|
Color connecting_color;
|
|
bool connecting_target = false;
|
|
Vector2 connecting_to;
|
|
String connecting_target_to;
|
|
int connecting_target_index;
|
|
bool just_disconnected = false;
|
|
bool connecting_valid = false;
|
|
Vector2 click_pos;
|
|
|
|
PanningScheme panning_scheme = SCROLL_ZOOMS;
|
|
bool dragging = false;
|
|
bool just_selected = false;
|
|
bool moving_selection = false;
|
|
Vector2 drag_accum;
|
|
|
|
float zoom = 1.0;
|
|
float zoom_step = 1.2;
|
|
float zoom_min;
|
|
float zoom_max;
|
|
|
|
void _zoom_minus();
|
|
void _zoom_reset();
|
|
void _zoom_plus();
|
|
void _update_zoom_label();
|
|
|
|
bool box_selecting = false;
|
|
bool box_selection_mode_additive = false;
|
|
Point2 box_selecting_from;
|
|
Point2 box_selecting_to;
|
|
Rect2 box_selecting_rect;
|
|
List<GraphNode *> previous_selected;
|
|
|
|
bool setting_scroll_ofs = false;
|
|
bool right_disconnects = false;
|
|
bool updating = false;
|
|
bool awaiting_scroll_offset_update = false;
|
|
List<Connection> connections;
|
|
|
|
float lines_thickness = 2.0f;
|
|
bool lines_antialiased = true;
|
|
|
|
PackedVector2Array get_connection_line(const Vector2 &p_from, const Vector2 &p_to);
|
|
void _draw_connection_line(CanvasItem *p_where, const Vector2 &p_from, const Vector2 &p_to, const Color &p_color, const Color &p_to_color, float p_width, float p_zoom);
|
|
|
|
void _graph_node_raised(Node *p_gn);
|
|
void _graph_node_moved(Node *p_gn);
|
|
void _graph_node_slot_updated(int p_index, Node *p_gn);
|
|
|
|
void _update_scroll();
|
|
void _scroll_moved(double);
|
|
virtual void gui_input(const Ref<InputEvent> &p_ev) override;
|
|
|
|
Control *connections_layer;
|
|
GraphEditFilter *top_layer;
|
|
GraphEditMinimap *minimap;
|
|
void _top_layer_input(const Ref<InputEvent> &p_ev);
|
|
|
|
bool is_in_input_hotzone(GraphNode *p_graph_node, int p_slot_index, const Vector2 &p_mouse_pos, const Vector2i &p_port_size);
|
|
bool is_in_output_hotzone(GraphNode *p_graph_node, int p_slot_index, const Vector2 &p_mouse_pos, const Vector2i &p_port_size);
|
|
bool is_in_port_hotzone(const Vector2 &pos, const Vector2 &p_mouse_pos, const Vector2i &p_port_size, bool p_left);
|
|
|
|
void _top_layer_draw();
|
|
void _connections_layer_draw();
|
|
void _minimap_draw();
|
|
void _update_scroll_offset();
|
|
|
|
Array _get_connection_list() const;
|
|
|
|
bool lines_on_bg;
|
|
|
|
struct ConnType {
|
|
union {
|
|
struct {
|
|
uint32_t type_a;
|
|
uint32_t type_b;
|
|
};
|
|
uint64_t key = 0;
|
|
};
|
|
|
|
bool operator<(const ConnType &p_type) const {
|
|
return key < p_type.key;
|
|
}
|
|
|
|
ConnType(uint32_t a = 0, uint32_t b = 0) {
|
|
type_a = a;
|
|
type_b = b;
|
|
}
|
|
};
|
|
|
|
Set<ConnType> valid_connection_types;
|
|
Set<int> valid_left_disconnect_types;
|
|
Set<int> valid_right_disconnect_types;
|
|
|
|
HashMap<StringName, Vector<GraphNode *>> comment_enclosed_nodes;
|
|
void _update_comment_enclosed_nodes_list(GraphNode *p_node, HashMap<StringName, Vector<GraphNode *>> &p_comment_enclosed_nodes);
|
|
void _set_drag_comment_enclosed_nodes(GraphNode *p_node, HashMap<StringName, Vector<GraphNode *>> &p_comment_enclosed_nodes, bool p_drag);
|
|
void _set_position_of_comment_enclosed_nodes(GraphNode *p_node, HashMap<StringName, Vector<GraphNode *>> &p_comment_enclosed_nodes, Vector2 p_pos);
|
|
|
|
HBoxContainer *zoom_hb;
|
|
|
|
friend class GraphEditFilter;
|
|
bool _filter_input(const Point2 &p_point);
|
|
void _snap_toggled();
|
|
void _snap_value_changed(double);
|
|
|
|
friend class GraphEditMinimap;
|
|
void _minimap_toggled();
|
|
|
|
bool _check_clickable_control(Control *p_control, const Vector2 &pos);
|
|
|
|
bool arranging_graph = false;
|
|
|
|
enum SET_OPERATIONS {
|
|
IS_EQUAL,
|
|
IS_SUBSET,
|
|
DIFFERENCE,
|
|
UNION,
|
|
};
|
|
|
|
int _set_operations(SET_OPERATIONS p_operation, Set<StringName> &r_u, const Set<StringName> &r_v);
|
|
HashMap<int, Vector<StringName>> _layering(const Set<StringName> &r_selected_nodes, const HashMap<StringName, Set<StringName>> &r_upper_neighbours);
|
|
Vector<StringName> _split(const Vector<StringName> &r_layer, const HashMap<StringName, Dictionary> &r_crossings);
|
|
void _horizontal_alignment(Dictionary &r_root, Dictionary &r_align, const HashMap<int, Vector<StringName>> &r_layers, const HashMap<StringName, Set<StringName>> &r_upper_neighbours, const Set<StringName> &r_selected_nodes);
|
|
void _crossing_minimisation(HashMap<int, Vector<StringName>> &r_layers, const HashMap<StringName, Set<StringName>> &r_upper_neighbours);
|
|
void _calculate_inner_shifts(Dictionary &r_inner_shifts, const Dictionary &r_root, const Dictionary &r_node_names, const Dictionary &r_align, const Set<StringName> &r_block_heads, const HashMap<StringName, Pair<int, int>> &r_port_info);
|
|
float _calculate_threshold(StringName p_v, StringName p_w, const Dictionary &r_node_names, const HashMap<int, Vector<StringName>> &r_layers, const Dictionary &r_root, const Dictionary &r_align, const Dictionary &r_inner_shift, real_t p_current_threshold, const HashMap<StringName, Vector2> &r_node_positions);
|
|
void _place_block(StringName p_v, float p_delta, const HashMap<int, Vector<StringName>> &r_layers, const Dictionary &r_root, const Dictionary &r_align, const Dictionary &r_node_name, const Dictionary &r_inner_shift, Dictionary &r_sink, Dictionary &r_shift, HashMap<StringName, Vector2> &r_node_positions);
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
virtual void add_child_notify(Node *p_child) override;
|
|
virtual void remove_child_notify(Node *p_child) override;
|
|
void _notification(int p_what);
|
|
|
|
GDVIRTUAL2RC(Vector<Vector2>, _get_connection_line, Vector2, Vector2)
|
|
GDVIRTUAL3R(bool, _is_in_input_hotzone, Object *, int, Vector2)
|
|
GDVIRTUAL3R(bool, _is_in_output_hotzone, Object *, int, Vector2)
|
|
|
|
public:
|
|
Error connect_node(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port);
|
|
bool is_node_connected(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port);
|
|
void disconnect_node(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port);
|
|
void clear_connections();
|
|
void force_connection_drag_end();
|
|
|
|
void set_connection_activity(const StringName &p_from, int p_from_port, const StringName &p_to, int p_to_port, float p_activity);
|
|
|
|
void add_valid_connection_type(int p_type, int p_with_type);
|
|
void remove_valid_connection_type(int p_type, int p_with_type);
|
|
bool is_valid_connection_type(int p_type, int p_with_type) const;
|
|
|
|
void set_panning_scheme(PanningScheme p_scheme);
|
|
PanningScheme get_panning_scheme() const;
|
|
|
|
void set_zoom(float p_zoom);
|
|
void set_zoom_custom(float p_zoom, const Vector2 &p_center);
|
|
float get_zoom() const;
|
|
|
|
void set_zoom_min(float p_zoom_min);
|
|
float get_zoom_min() const;
|
|
|
|
void set_zoom_max(float p_zoom_max);
|
|
float get_zoom_max() const;
|
|
|
|
void set_zoom_step(float p_zoom_step);
|
|
float get_zoom_step() const;
|
|
|
|
void set_show_zoom_label(bool p_enable);
|
|
bool is_showing_zoom_label() const;
|
|
|
|
void set_minimap_size(Vector2 p_size);
|
|
Vector2 get_minimap_size() const;
|
|
void set_minimap_opacity(float p_opacity);
|
|
float get_minimap_opacity() const;
|
|
|
|
void set_minimap_enabled(bool p_enable);
|
|
bool is_minimap_enabled() const;
|
|
|
|
GraphEditFilter *get_top_layer() const { return top_layer; }
|
|
GraphEditMinimap *get_minimap() const { return minimap; }
|
|
void get_connection_list(List<Connection> *r_connections) const;
|
|
|
|
void set_right_disconnects(bool p_enable);
|
|
bool is_right_disconnects_enabled() const;
|
|
|
|
void add_valid_right_disconnect_type(int p_type);
|
|
void remove_valid_right_disconnect_type(int p_type);
|
|
|
|
void add_valid_left_disconnect_type(int p_type);
|
|
void remove_valid_left_disconnect_type(int p_type);
|
|
|
|
void set_scroll_ofs(const Vector2 &p_ofs);
|
|
Vector2 get_scroll_ofs() const;
|
|
|
|
void set_selected(Node *p_child);
|
|
|
|
void set_use_snap(bool p_enable);
|
|
bool is_using_snap() const;
|
|
|
|
int get_snap() const;
|
|
void set_snap(int p_snap);
|
|
|
|
void set_connection_lines_thickness(float p_thickness);
|
|
float get_connection_lines_thickness() const;
|
|
|
|
void set_connection_lines_antialiased(bool p_antialiased);
|
|
bool is_connection_lines_antialiased() const;
|
|
|
|
HBoxContainer *get_zoom_hbox();
|
|
Ref<ViewPanner> get_panner();
|
|
void set_warped_panning(bool p_warped);
|
|
|
|
void arrange_nodes();
|
|
|
|
GraphEdit();
|
|
};
|
|
|
|
VARIANT_ENUM_CAST(GraphEdit::PanningScheme);
|
|
|
|
#endif // GRAPHEdit_H
|