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783 lines
19 KiB
C++
783 lines
19 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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/* */
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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.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.pos=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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{
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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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{
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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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{
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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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{
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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();
|
|
|
|
}
|
|
|
|
|
|
Vector2 GraphNode::get_connection_input_pos(int p_idx) {
|
|
|
|
if (connpos_dirty)
|
|
_connpos_update();
|
|
|
|
ERR_FAIL_INDEX_V(p_idx,conn_input_cache.size(),Vector2());
|
|
Vector2 pos = conn_input_cache[p_idx].pos;
|
|
pos.x *= get_scale().x;
|
|
pos.y *= get_scale().y;
|
|
return pos;
|
|
}
|
|
|
|
int GraphNode::get_connection_input_type(int p_idx) {
|
|
|
|
if (connpos_dirty)
|
|
_connpos_update();
|
|
|
|
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 InputEvent& p_ev) {
|
|
|
|
if (p_ev.type==InputEvent::MOUSE_BUTTON) {
|
|
|
|
ERR_EXPLAIN("GraphNode must be the child of a GraphEdit node.");
|
|
ERR_FAIL_COND(get_parent_control() == NULL);
|
|
|
|
print_line("INPUT EVENT BUTTON");
|
|
|
|
if(p_ev.mouse_button.pressed && p_ev.mouse_button.button_index==BUTTON_LEFT) {
|
|
|
|
Vector2 mpos = Vector2(p_ev.mouse_button.x,p_ev.mouse_button.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(!p_ev.mouse_button.pressed && p_ev.mouse_button.button_index==BUTTON_LEFT) {
|
|
resizing=false;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
if (resizing && p_ev.type==InputEvent::MOUSE_MOTION) {
|
|
Vector2 mpos = Vector2(p_ev.mouse_motion.x,p_ev.mouse_motion.y);
|
|
|
|
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(_MD("set_title","title"),&GraphNode::set_title);
|
|
ClassDB::bind_method(_MD("get_title"),&GraphNode::get_title);
|
|
ClassDB::bind_method(_MD("_gui_input"),&GraphNode::_gui_input);
|
|
|
|
ClassDB::bind_method(_MD("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(_MD("clear_slot","idx"),&GraphNode::clear_slot);
|
|
ClassDB::bind_method(_MD("clear_all_slots","idx"),&GraphNode::clear_all_slots);
|
|
ClassDB::bind_method(_MD("is_slot_enabled_left","idx"),&GraphNode::is_slot_enabled_left);
|
|
ClassDB::bind_method(_MD("get_slot_type_left","idx"),&GraphNode::get_slot_type_left);
|
|
ClassDB::bind_method(_MD("get_slot_color_left","idx"),&GraphNode::get_slot_color_left);
|
|
ClassDB::bind_method(_MD("is_slot_enabled_right","idx"),&GraphNode::is_slot_enabled_right);
|
|
ClassDB::bind_method(_MD("get_slot_type_right","idx"),&GraphNode::get_slot_type_right);
|
|
ClassDB::bind_method(_MD("get_slot_color_right","idx"),&GraphNode::get_slot_color_right);
|
|
|
|
ClassDB::bind_method(_MD("set_offset","offset"),&GraphNode::set_offset);
|
|
ClassDB::bind_method(_MD("get_offset"),&GraphNode::get_offset);
|
|
|
|
ClassDB::bind_method(_MD("set_comment","comment"),&GraphNode::set_comment);
|
|
ClassDB::bind_method(_MD("is_comment"),&GraphNode::is_comment);
|
|
|
|
ClassDB::bind_method(_MD("set_resizeable","resizeable"),&GraphNode::set_resizeable);
|
|
ClassDB::bind_method(_MD("is_resizeable"),&GraphNode::is_resizeable);
|
|
|
|
ClassDB::bind_method(_MD("set_selected","selected"),&GraphNode::set_selected);
|
|
ClassDB::bind_method(_MD("is_selected"),&GraphNode::is_selected);
|
|
|
|
ClassDB::bind_method(_MD("get_connection_output_count"),&GraphNode::get_connection_output_count);
|
|
ClassDB::bind_method(_MD("get_connection_input_count"),&GraphNode::get_connection_input_count);
|
|
|
|
ClassDB::bind_method(_MD("get_connection_output_pos","idx"),&GraphNode::get_connection_output_pos);
|
|
ClassDB::bind_method(_MD("get_connection_output_type","idx"),&GraphNode::get_connection_output_type);
|
|
ClassDB::bind_method(_MD("get_connection_output_color","idx"),&GraphNode::get_connection_output_color);
|
|
ClassDB::bind_method(_MD("get_connection_input_pos","idx"),&GraphNode::get_connection_input_pos);
|
|
ClassDB::bind_method(_MD("get_connection_input_type","idx"),&GraphNode::get_connection_input_type);
|
|
ClassDB::bind_method(_MD("get_connection_input_color","idx"),&GraphNode::get_connection_input_color);
|
|
|
|
ClassDB::bind_method(_MD("set_show_close_button","show"),&GraphNode::set_show_close_button);
|
|
ClassDB::bind_method(_MD("is_close_button_visible"),&GraphNode::is_close_button_visible);
|
|
|
|
ClassDB::bind_method(_MD("set_overlay","overlay"),&GraphNode::set_overlay);
|
|
ClassDB::bind_method(_MD("get_overlay"),&GraphNode::get_overlay);
|
|
|
|
ADD_PROPERTY( PropertyInfo(Variant::STRING,"title"),_SCS("set_title"),_SCS("get_title"));
|
|
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"show_close"),_SCS("set_show_close_button"),_SCS("is_close_button_visible"));
|
|
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"resizeable"),_SCS("set_resizeable"),_SCS("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;
|
|
}
|