728 lines
20 KiB
C++
728 lines
20 KiB
C++
/*************************************************************************/
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/* graph_node.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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/* Copyright (c) 2014-2017 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 "graph_node.h"
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#include "method_bind_ext.gen.inc"
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bool GraphNode::_set(const StringName &p_name, const Variant &p_value) {
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if (!p_name.operator String().begins_with("slot/"))
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return false;
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int idx = p_name.operator String().get_slice("/", 1).to_int();
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String what = p_name.operator String().get_slice("/", 2);
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Slot si;
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if (slot_info.has(idx))
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si = slot_info[idx];
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if (what == "left_enabled")
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si.enable_left = p_value;
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else if (what == "left_type")
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si.type_left = p_value;
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else if (what == "left_color")
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si.color_left = p_value;
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else if (what == "right_enabled")
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si.enable_right = p_value;
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else if (what == "right_type")
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si.type_right = p_value;
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else if (what == "right_color")
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si.color_right = p_value;
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else
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return false;
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set_slot(idx, si.enable_left, si.type_left, si.color_left, si.enable_right, si.type_right, si.color_right);
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update();
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return true;
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}
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bool GraphNode::_get(const StringName &p_name, Variant &r_ret) const {
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if (!p_name.operator String().begins_with("slot/")) {
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return false;
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}
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int idx = p_name.operator String().get_slice("/", 1).to_int();
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String what = p_name.operator String().get_slice("/", 2);
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Slot si;
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if (slot_info.has(idx))
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si = slot_info[idx];
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if (what == "left_enabled")
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r_ret = si.enable_left;
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else if (what == "left_type")
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r_ret = si.type_left;
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else if (what == "left_color")
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r_ret = si.color_left;
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else if (what == "right_enabled")
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r_ret = si.enable_right;
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else if (what == "right_type")
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r_ret = si.type_right;
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else if (what == "right_color")
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r_ret = si.color_right;
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else
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return false;
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return true;
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}
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void GraphNode::_get_property_list(List<PropertyInfo> *p_list) const {
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int idx = 0;
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for (int i = 0; i < get_child_count(); i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c || c->is_set_as_toplevel())
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continue;
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String base = "slot/" + itos(idx) + "/";
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p_list->push_back(PropertyInfo(Variant::BOOL, base + "left_enabled"));
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p_list->push_back(PropertyInfo(Variant::INT, base + "left_type"));
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p_list->push_back(PropertyInfo(Variant::COLOR, base + "left_color"));
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p_list->push_back(PropertyInfo(Variant::BOOL, base + "right_enabled"));
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p_list->push_back(PropertyInfo(Variant::INT, base + "right_type"));
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p_list->push_back(PropertyInfo(Variant::COLOR, base + "right_color"));
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idx++;
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}
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}
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void GraphNode::_resort() {
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int sep = get_constant("separation");
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Ref<StyleBox> sb = get_stylebox("frame");
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bool first = true;
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Size2 minsize;
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for (int i = 0; i < get_child_count(); i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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if (c->is_set_as_toplevel())
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continue;
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Size2i size = c->get_combined_minimum_size();
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minsize.y += size.y;
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minsize.x = MAX(minsize.x, size.x);
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if (first)
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first = false;
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else
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minsize.y += sep;
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}
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int vofs = 0;
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int w = get_size().x - sb->get_minimum_size().x;
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cache_y.clear();
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for (int i = 0; i < get_child_count(); i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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if (c->is_set_as_toplevel())
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continue;
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Size2i size = c->get_combined_minimum_size();
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Rect2 r(sb->get_margin(MARGIN_LEFT), sb->get_margin(MARGIN_TOP) + vofs, w, size.y);
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fit_child_in_rect(c, r);
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cache_y.push_back(vofs + size.y * 0.5);
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if (vofs > 0)
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vofs += sep;
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vofs += size.y;
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}
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_change_notify();
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update();
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connpos_dirty = true;
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}
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bool GraphNode::has_point(const Point2 &p_point) const {
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if (comment) {
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Ref<StyleBox> comment = get_stylebox("comment");
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Ref<Texture> resizer = get_icon("resizer");
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if (Rect2(get_size() - resizer->get_size(), resizer->get_size()).has_point(p_point)) {
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return true;
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}
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if (Rect2(0, 0, get_size().width, comment->get_margin(MARGIN_TOP)).has_point(p_point)) {
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return true;
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}
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return false;
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} else {
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return Control::has_point(p_point);
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}
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}
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void GraphNode::_notification(int p_what) {
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if (p_what == NOTIFICATION_DRAW) {
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Ref<StyleBox> sb;
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if (comment) {
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sb = get_stylebox(selected ? "commentfocus" : "comment");
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} else {
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sb = get_stylebox(selected ? "selectedframe" : "frame");
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}
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//sb=sb->duplicate();
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//sb->call("set_modulate",modulate);
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Ref<Texture> port = get_icon("port");
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Ref<Texture> close = get_icon("close");
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Ref<Texture> resizer = get_icon("resizer");
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int close_offset = get_constant("close_offset");
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Ref<Font> title_font = get_font("title_font");
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int title_offset = get_constant("title_offset");
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Color title_color = get_color("title_color");
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Point2i icofs = -port->get_size() * 0.5;
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int edgeofs = get_constant("port_offset");
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icofs.y += sb->get_margin(MARGIN_TOP);
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draw_style_box(sb, Rect2(Point2(), get_size()));
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switch (overlay) {
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case OVERLAY_DISABLED: {
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} break;
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case OVERLAY_BREAKPOINT: {
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draw_style_box(get_stylebox("breakpoint"), Rect2(Point2(), get_size()));
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} break;
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case OVERLAY_POSITION: {
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draw_style_box(get_stylebox("position"), Rect2(Point2(), get_size()));
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} break;
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}
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int w = get_size().width - sb->get_minimum_size().x;
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if (show_close)
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w -= close->get_width();
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draw_string(title_font, Point2(sb->get_margin(MARGIN_LEFT), -title_font->get_height() + title_font->get_ascent() + title_offset), title, title_color, w);
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if (show_close) {
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Vector2 cpos = Point2(w + sb->get_margin(MARGIN_LEFT), -close->get_height() + close_offset);
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draw_texture(close, cpos);
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close_rect.position = cpos;
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close_rect.size = close->get_size();
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} else {
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close_rect = Rect2();
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}
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for (Map<int, Slot>::Element *E = slot_info.front(); E; E = E->next()) {
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if (E->key() < 0 || E->key() >= cache_y.size())
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continue;
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if (!slot_info.has(E->key()))
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continue;
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const Slot &s = slot_info[E->key()];
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//left
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if (s.enable_left) {
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Ref<Texture> p = port;
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if (s.custom_slot_left.is_valid()) {
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p = s.custom_slot_left;
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}
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p->draw(get_canvas_item(), icofs + Point2(edgeofs, cache_y[E->key()]), s.color_left);
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}
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if (s.enable_right) {
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Ref<Texture> p = port;
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if (s.custom_slot_right.is_valid()) {
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p = s.custom_slot_right;
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}
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p->draw(get_canvas_item(), icofs + Point2(get_size().x - edgeofs, cache_y[E->key()]), s.color_right);
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}
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}
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if (resizeable) {
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draw_texture(resizer, get_size() - resizer->get_size());
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}
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}
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if (p_what == NOTIFICATION_SORT_CHILDREN) {
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_resort();
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}
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}
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void GraphNode::set_slot(int p_idx, bool p_enable_left, int p_type_left, const Color &p_color_left, bool p_enable_right, int p_type_right, const Color &p_color_right, const Ref<Texture> &p_custom_left, const Ref<Texture> &p_custom_right) {
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ERR_FAIL_COND(p_idx < 0);
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if (!p_enable_left && p_type_left == 0 && p_color_left == Color(1, 1, 1, 1) && !p_enable_right && p_type_right == 0 && p_color_right == Color(1, 1, 1, 1)) {
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slot_info.erase(p_idx);
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return;
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}
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Slot s;
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s.enable_left = p_enable_left;
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s.type_left = p_type_left;
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s.color_left = p_color_left;
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s.enable_right = p_enable_right;
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s.type_right = p_type_right;
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s.color_right = p_color_right;
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s.custom_slot_left = p_custom_left;
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s.custom_slot_right = p_custom_right;
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slot_info[p_idx] = s;
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update();
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connpos_dirty = true;
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}
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void GraphNode::clear_slot(int p_idx) {
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slot_info.erase(p_idx);
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update();
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connpos_dirty = true;
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}
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void GraphNode::clear_all_slots() {
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slot_info.clear();
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update();
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connpos_dirty = true;
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}
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bool GraphNode::is_slot_enabled_left(int p_idx) const {
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if (!slot_info.has(p_idx))
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return false;
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return slot_info[p_idx].enable_left;
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}
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int GraphNode::get_slot_type_left(int p_idx) const {
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if (!slot_info.has(p_idx))
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return 0;
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return slot_info[p_idx].type_left;
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}
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Color GraphNode::get_slot_color_left(int p_idx) const {
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if (!slot_info.has(p_idx))
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return Color(1, 1, 1, 1);
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return slot_info[p_idx].color_left;
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}
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bool GraphNode::is_slot_enabled_right(int p_idx) const {
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if (!slot_info.has(p_idx))
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return false;
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return slot_info[p_idx].enable_right;
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}
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int GraphNode::get_slot_type_right(int p_idx) const {
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if (!slot_info.has(p_idx))
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return 0;
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return slot_info[p_idx].type_right;
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}
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Color GraphNode::get_slot_color_right(int p_idx) const {
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if (!slot_info.has(p_idx))
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return Color(1, 1, 1, 1);
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return slot_info[p_idx].color_right;
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}
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Size2 GraphNode::get_minimum_size() const {
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Ref<Font> title_font = get_font("title_font");
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int sep = get_constant("separation");
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Ref<StyleBox> sb = get_stylebox("frame");
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bool first = true;
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Size2 minsize;
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minsize.x = title_font->get_string_size(title).x;
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if (show_close) {
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Ref<Texture> close = get_icon("close");
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minsize.x += sep + close->get_width();
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}
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for (int i = 0; i < get_child_count(); i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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if (c->is_set_as_toplevel())
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continue;
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Size2i size = c->get_combined_minimum_size();
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minsize.y += size.y;
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minsize.x = MAX(minsize.x, size.x);
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if (first)
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first = false;
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else
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minsize.y += sep;
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}
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return minsize + sb->get_minimum_size();
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}
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void GraphNode::set_title(const String &p_title) {
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title = p_title;
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minimum_size_changed();
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update();
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}
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String GraphNode::get_title() const {
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return title;
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}
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void GraphNode::set_offset(const Vector2 &p_offset) {
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offset = p_offset;
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emit_signal("offset_changed");
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update();
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}
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Vector2 GraphNode::get_offset() const {
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return offset;
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}
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void GraphNode::set_selected(bool p_selected) {
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selected = p_selected;
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update();
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}
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bool GraphNode::is_selected() {
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return selected;
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}
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void GraphNode::set_drag(bool p_drag) {
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if (p_drag)
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drag_from = get_offset();
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else
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emit_signal("dragged", drag_from, get_offset()); //useful for undo/redo
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}
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Vector2 GraphNode::get_drag_from() {
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return drag_from;
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}
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void GraphNode::set_show_close_button(bool p_enable) {
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show_close = p_enable;
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update();
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}
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bool GraphNode::is_close_button_visible() const {
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return show_close;
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}
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void GraphNode::_connpos_update() {
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int edgeofs = get_constant("port_offset");
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int sep = get_constant("separation");
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Ref<StyleBox> sb = get_stylebox("frame");
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conn_input_cache.clear();
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conn_output_cache.clear();
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int vofs = 0;
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int idx = 0;
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for (int i = 0; i < get_child_count(); i++) {
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Control *c = get_child(i)->cast_to<Control>();
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if (!c)
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continue;
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if (c->is_set_as_toplevel())
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continue;
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Size2i size = c->get_combined_minimum_size();
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int y = sb->get_margin(MARGIN_TOP) + vofs;
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int h = size.y;
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if (slot_info.has(idx)) {
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if (slot_info[idx].enable_left) {
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ConnCache cc;
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cc.pos = Point2i(edgeofs, y + h / 2);
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cc.type = slot_info[idx].type_left;
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cc.color = slot_info[idx].color_left;
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conn_input_cache.push_back(cc);
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}
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if (slot_info[idx].enable_right) {
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ConnCache cc;
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cc.pos = Point2i(get_size().width - edgeofs, y + h / 2);
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cc.type = slot_info[idx].type_right;
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cc.color = slot_info[idx].color_right;
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conn_output_cache.push_back(cc);
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}
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}
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if (vofs > 0)
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vofs += sep;
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vofs += size.y;
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idx++;
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}
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connpos_dirty = false;
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}
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int GraphNode::get_connection_input_count() {
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if (connpos_dirty)
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_connpos_update();
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return conn_input_cache.size();
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}
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int GraphNode::get_connection_output_count() {
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if (connpos_dirty)
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_connpos_update();
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return conn_output_cache.size();
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}
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Vector2 GraphNode::get_connection_input_pos(int p_idx) {
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if (connpos_dirty)
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_connpos_update();
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ERR_FAIL_INDEX_V(p_idx, conn_input_cache.size(), Vector2());
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Vector2 pos = conn_input_cache[p_idx].pos;
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pos.x *= get_scale().x;
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pos.y *= get_scale().y;
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return pos;
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}
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int GraphNode::get_connection_input_type(int p_idx) {
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if (connpos_dirty)
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_connpos_update();
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ERR_FAIL_INDEX_V(p_idx, conn_input_cache.size(), 0);
|
|
return conn_input_cache[p_idx].type;
|
|
}
|
|
|
|
Color GraphNode::get_connection_input_color(int p_idx) {
|
|
|
|
if (connpos_dirty)
|
|
_connpos_update();
|
|
|
|
ERR_FAIL_INDEX_V(p_idx, conn_input_cache.size(), Color());
|
|
return conn_input_cache[p_idx].color;
|
|
}
|
|
|
|
Vector2 GraphNode::get_connection_output_pos(int p_idx) {
|
|
|
|
if (connpos_dirty)
|
|
_connpos_update();
|
|
|
|
ERR_FAIL_INDEX_V(p_idx, conn_output_cache.size(), Vector2());
|
|
Vector2 pos = conn_output_cache[p_idx].pos;
|
|
pos.x *= get_scale().x;
|
|
pos.y *= get_scale().y;
|
|
return pos;
|
|
}
|
|
|
|
int GraphNode::get_connection_output_type(int p_idx) {
|
|
|
|
if (connpos_dirty)
|
|
_connpos_update();
|
|
|
|
ERR_FAIL_INDEX_V(p_idx, conn_output_cache.size(), 0);
|
|
return conn_output_cache[p_idx].type;
|
|
}
|
|
|
|
Color GraphNode::get_connection_output_color(int p_idx) {
|
|
|
|
if (connpos_dirty)
|
|
_connpos_update();
|
|
|
|
ERR_FAIL_INDEX_V(p_idx, conn_output_cache.size(), Color());
|
|
return conn_output_cache[p_idx].color;
|
|
}
|
|
|
|
void GraphNode::_gui_input(const Ref<InputEvent> &p_ev) {
|
|
|
|
Ref<InputEventMouseButton> mb = p_ev;
|
|
if (mb.is_valid()) {
|
|
|
|
ERR_EXPLAIN("GraphNode must be the child of a GraphEdit node.");
|
|
ERR_FAIL_COND(get_parent_control() == NULL);
|
|
|
|
if (mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT) {
|
|
|
|
Vector2 mpos = Vector2(mb->get_position().x, mb->get_position().y);
|
|
if (close_rect.size != Size2() && close_rect.has_point(mpos)) {
|
|
emit_signal("close_request");
|
|
accept_event();
|
|
return;
|
|
}
|
|
|
|
Ref<Texture> resizer = get_icon("resizer");
|
|
|
|
if (resizeable && mpos.x > get_size().x - resizer->get_width() && mpos.y > get_size().y - resizer->get_height()) {
|
|
|
|
resizing = true;
|
|
resizing_from = mpos;
|
|
resizing_from_size = get_size();
|
|
accept_event();
|
|
return;
|
|
}
|
|
|
|
//send focus to parent
|
|
emit_signal("raise_request");
|
|
get_parent_control()->grab_focus();
|
|
}
|
|
|
|
if (!mb->is_pressed() && mb->get_button_index() == BUTTON_LEFT) {
|
|
resizing = false;
|
|
}
|
|
}
|
|
|
|
Ref<InputEventMouseMotion> mm = p_ev;
|
|
if (resizing && mm.is_valid()) {
|
|
Vector2 mpos = mm->get_position();
|
|
|
|
Vector2 diff = mpos - resizing_from;
|
|
|
|
emit_signal("resize_request", resizing_from_size + diff);
|
|
}
|
|
}
|
|
|
|
void GraphNode::set_overlay(Overlay p_overlay) {
|
|
|
|
overlay = p_overlay;
|
|
update();
|
|
}
|
|
|
|
GraphNode::Overlay GraphNode::get_overlay() const {
|
|
|
|
return overlay;
|
|
}
|
|
|
|
void GraphNode::set_comment(bool p_enable) {
|
|
|
|
comment = p_enable;
|
|
update();
|
|
}
|
|
|
|
bool GraphNode::is_comment() const {
|
|
|
|
return comment;
|
|
}
|
|
|
|
void GraphNode::set_resizeable(bool p_enable) {
|
|
|
|
resizeable = p_enable;
|
|
update();
|
|
}
|
|
|
|
bool GraphNode::is_resizeable() const {
|
|
|
|
return resizeable;
|
|
}
|
|
|
|
void GraphNode::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("set_title", "title"), &GraphNode::set_title);
|
|
ClassDB::bind_method(D_METHOD("get_title"), &GraphNode::get_title);
|
|
ClassDB::bind_method(D_METHOD("_gui_input"), &GraphNode::_gui_input);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_slot", "idx", "enable_left", "type_left", "color_left", "enable_right", "type_right", "color_right", "custom_left", "custom_right"), &GraphNode::set_slot, DEFVAL(Ref<Texture>()), DEFVAL(Ref<Texture>()));
|
|
ClassDB::bind_method(D_METHOD("clear_slot", "idx"), &GraphNode::clear_slot);
|
|
ClassDB::bind_method(D_METHOD("clear_all_slots", "idx"), &GraphNode::clear_all_slots);
|
|
ClassDB::bind_method(D_METHOD("is_slot_enabled_left", "idx"), &GraphNode::is_slot_enabled_left);
|
|
ClassDB::bind_method(D_METHOD("get_slot_type_left", "idx"), &GraphNode::get_slot_type_left);
|
|
ClassDB::bind_method(D_METHOD("get_slot_color_left", "idx"), &GraphNode::get_slot_color_left);
|
|
ClassDB::bind_method(D_METHOD("is_slot_enabled_right", "idx"), &GraphNode::is_slot_enabled_right);
|
|
ClassDB::bind_method(D_METHOD("get_slot_type_right", "idx"), &GraphNode::get_slot_type_right);
|
|
ClassDB::bind_method(D_METHOD("get_slot_color_right", "idx"), &GraphNode::get_slot_color_right);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_offset", "offset"), &GraphNode::set_offset);
|
|
ClassDB::bind_method(D_METHOD("get_offset"), &GraphNode::get_offset);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_comment", "comment"), &GraphNode::set_comment);
|
|
ClassDB::bind_method(D_METHOD("is_comment"), &GraphNode::is_comment);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_resizeable", "resizeable"), &GraphNode::set_resizeable);
|
|
ClassDB::bind_method(D_METHOD("is_resizeable"), &GraphNode::is_resizeable);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_selected", "selected"), &GraphNode::set_selected);
|
|
ClassDB::bind_method(D_METHOD("is_selected"), &GraphNode::is_selected);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_connection_output_count"), &GraphNode::get_connection_output_count);
|
|
ClassDB::bind_method(D_METHOD("get_connection_input_count"), &GraphNode::get_connection_input_count);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_connection_output_pos", "idx"), &GraphNode::get_connection_output_pos);
|
|
ClassDB::bind_method(D_METHOD("get_connection_output_type", "idx"), &GraphNode::get_connection_output_type);
|
|
ClassDB::bind_method(D_METHOD("get_connection_output_color", "idx"), &GraphNode::get_connection_output_color);
|
|
ClassDB::bind_method(D_METHOD("get_connection_input_pos", "idx"), &GraphNode::get_connection_input_pos);
|
|
ClassDB::bind_method(D_METHOD("get_connection_input_type", "idx"), &GraphNode::get_connection_input_type);
|
|
ClassDB::bind_method(D_METHOD("get_connection_input_color", "idx"), &GraphNode::get_connection_input_color);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_show_close_button", "show"), &GraphNode::set_show_close_button);
|
|
ClassDB::bind_method(D_METHOD("is_close_button_visible"), &GraphNode::is_close_button_visible);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_overlay", "overlay"), &GraphNode::set_overlay);
|
|
ClassDB::bind_method(D_METHOD("get_overlay"), &GraphNode::get_overlay);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::STRING, "title"), "set_title", "get_title");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "show_close"), "set_show_close_button", "is_close_button_visible");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "resizeable"), "set_resizeable", "is_resizeable");
|
|
|
|
ADD_SIGNAL(MethodInfo("offset_changed"));
|
|
ADD_SIGNAL(MethodInfo("dragged", PropertyInfo(Variant::VECTOR2, "from"), PropertyInfo(Variant::VECTOR2, "to")));
|
|
ADD_SIGNAL(MethodInfo("raise_request"));
|
|
ADD_SIGNAL(MethodInfo("close_request"));
|
|
ADD_SIGNAL(MethodInfo("resize_request", PropertyInfo(Variant::VECTOR2, "new_minsize")));
|
|
|
|
BIND_CONSTANT(OVERLAY_DISABLED);
|
|
BIND_CONSTANT(OVERLAY_BREAKPOINT);
|
|
BIND_CONSTANT(OVERLAY_POSITION);
|
|
}
|
|
|
|
GraphNode::GraphNode() {
|
|
|
|
overlay = OVERLAY_DISABLED;
|
|
show_close = false;
|
|
connpos_dirty = true;
|
|
set_mouse_filter(MOUSE_FILTER_PASS);
|
|
comment = false;
|
|
resizeable = false;
|
|
resizing = false;
|
|
selected = false;
|
|
}
|