158 lines
4.8 KiB
C++
158 lines
4.8 KiB
C++
/*************************************************************************/
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/* graph_edit.cpp */
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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 GRAPH_EDIT_H
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#define GRAPH_EDIT_H
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#include "scene/gui/graph_node.h"
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#include "scene/gui/scroll_bar.h"
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#include "scene/gui/slider.h"
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#include "scene/gui/tool_button.h"
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#include "texture_frame.h"
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class GraphEdit;
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class GraphEditFilter : public Control {
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OBJ_TYPE(GraphEditFilter,Control);
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friend class GraphEdit;
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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 GraphEdit : public Control {
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OBJ_TYPE(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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};
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private:
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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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void _zoom_minus();
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void _zoom_reset();
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void _zoom_plus();
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HScrollBar* h_scroll;
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VScrollBar* v_scroll;
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bool connecting;
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String connecting_from;
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bool connecting_out;
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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;
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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 dragging;
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bool just_selected;
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Vector2 drag_accum;
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Point2 drag_origin; // Workaround for GH-5907
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float zoom;
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bool box_selecting;
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bool box_selection_mode_aditive;
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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*> previus_selected;
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bool right_disconnects;
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bool updating;
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List<Connection> connections;
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void _draw_cos_line(const Vector2& p_from, const Vector2& p_to,const Color& p_color);
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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 _update_scroll();
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void _scroll_moved(double);
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void _input_event(const InputEvent& p_ev);
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GraphEditFilter *top_layer;
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void _top_layer_input(const InputEvent& p_ev);
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void _top_layer_draw();
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void _update_scroll_offset();
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Array _get_connection_list() const;
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friend class GraphEditFilter;
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bool _filter_input(const Point2& p_point);
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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_zoom(float p_zoom);
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float get_zoom() const;
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GraphEditFilter *get_top_layer() const { return top_layer; }
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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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Vector2 get_scroll_ofs() const;
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GraphEdit();
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};
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#endif // GRAPHEdit_H
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