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node editor with RBTree

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This commit is contained in:
Timerix22 2024-05-02 07:20:58 +05:00
parent 814d88737e
commit fa004284e6
12 changed files with 413 additions and 148 deletions
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2
Makefile
View File

@ -30,7 +30,7 @@ rebuild_imnodes:
# writes ttf fonts fron ./fonts/ to C compressed arrays in C source files
# builds static library from font arrays definitions
embed_fonts:
@cbuild/call_task.sh embed_fonts
@cbuild/call_task.sh embed_fonts 2>&1 | tee make_raw.log
rebuild_all: rebuild_kerep rebuild_imgui rebuild_imnodes embed_fonts

10
src/GraphModel/Attribute.cpp
View File

@ -3,7 +3,15 @@
namespace GraphC::GraphModel {
Attribute::Attribute(id_t _id, Node* _parent_node, Attribute::Type _type, std::string _title)
: id(_id), parent_node(_parent_node), type(_type), title(_title)
: type(_type), id(_id), parent_node(_parent_node), title(_title)
{}
const RBTree<id_t, Edge*>& Attribute::getIncomingEdges() const {
return incoming_edges;
}
const RBTree<id_t, Edge*>& Attribute::getOutgoingEdges() const {
return outgoing_edges;
}
}

2
src/GraphModel/Edge.cpp
View File

@ -3,7 +3,7 @@
namespace GraphC::GraphModel {
Edge::Edge(id_t _id, id_t _from_attr_id, id_t _to_attr_id)
: id(_id), from_attr_id(_from_attr_id), to_attr_id(_to_attr_id)
: id(_id), to_attr_id(_to_attr_id), from_attr_id(_from_attr_id)
{}
}

163
src/GraphModel/Graph.cpp
View File

@ -1,47 +1,168 @@
#include "GraphModel.hpp"
#include "../UsefulException.hpp"
#include "../format.hpp"
namespace GraphC::GraphModel {
Graph::Graph()
{}
Graph::Graph(RBTree<id_t, Node>& _nodes, RBTree<id_t, Edge>& _edges)
Graph::Graph(RBTree<id_t, Node>&& _nodes, RBTree<id_t, Edge>&& _edges)
: nodes(_nodes), edges(_edges)
{}
RBTree<id_t, Node>& Graph::getNodes(){
const RBTree<id_t, Node>& Graph::getNodes() const {
return nodes;
}
RBTree<id_t, Edge>& Graph::getEdges(){
Node* Graph::createNode(Node& n){
Node* result = nullptr;
useful_assert(nodes.tryAdd(n.id, n, &result),
format("can't create node with id %i", n.id));
return result;
}
Node* Graph::createNode(Node&& n){
return createNode(n);
}
bool Graph::tryGetNode(id_t node_id, Node** result) const {
return nodes.tryGet(node_id, result);
}
void Graph::deleteNode(Node& n){
for(const auto& attr_p : n.attributes)
deleteAttribute(*attr_p.second);
useful_assert(nodes.tryDelete(n.id),
format("can't delete node with id %i", n.id));
}
void Graph::deleteNode(Node&& n){
deleteNode(n);
}
bool Graph::tryDeleteNode(id_t node_id){
Node* n = nullptr;
if(!nodes.tryGet(node_id, &n))
return false;
deleteNode(*n);
return true;
}
const RBTree<id_t, Edge>& Graph::getEdges() const {
return edges;
}
Edge* Graph::createEdge(Attribute& from, Attribute& to){
id_t id = id_gen.getNext();
Edge* e = nullptr;
useful_assert(edges.tryAdd(id, Edge(id, from.id, to.id), &e),
format("can't create edge with id %i",id));
bool tryCreateEdge(Attribute& from, Attribute& to, Edge&& result);
bool tryGetEdge(id_t edge_id, Edge&& result);
bool tryDeleteEdge(id_t edge_id);
useful_assert(from.incoming_edges.tryAdd(id, e, nullptr),
format("edge with id %i already exists in Attribute::incoming_edges", id));
void Graph::deleteNode(id_t node_id){
if(nodes.erase(node_id) < 1)
throw UsefulException("can't erase node with id"+toString_i64(node_id));
useful_assert(to.outgoing_edges.tryAdd(id, e, nullptr),
format("edge with id %i already exists in Attribute::outgoing_edges", id));
return e;
}
void Graph::deleteEdge(id_t edge_id){
Edge* Graph::createEdge(Attribute&& from, Attribute&& to){
return createEdge(from, to);
}
bool Graph::tryGetAttribute(id_t attr_id, Attribute*& result){
for(auto&& p_node : nodes){
auto&& node_attrs = p_node.second.getAttributes();
auto&& it = node_attrs.find(attr_id);
if(it != node_attrs.end()){
result = &it->second;
return true;
}
}
bool Graph::tryCreateEdge(id_t from_attr_id, id_t to_attr_id, Edge** result){
Attribute* from;
if(!tryGetAttribute(from_attr_id, &from))
return false;
Attribute* to;
if(!tryGetAttribute(to_attr_id, &to))
return false;
Edge* e = createEdge(*from, *to);
if(result)
*result = e;
return true;
}
bool Graph::tryGetEdge(id_t edge_id, Edge** result) const {
return edges.tryGet(edge_id, result);
}
void Graph::deleteEdge(Edge& e){
Attribute* a = nullptr;
useful_assert(tryGetAttribute(e.from_attr_id, &a),
format("source attribute with id %i was not found in Graph::nodes", e.from_attr_id));
a->outgoing_edges.tryDelete(e.id);
useful_assert(tryGetAttribute(e.to_attr_id, &a),
format("destination attribute with id %i was not found in Graph::nodes", e.to_attr_id));
a->incoming_edges.tryDelete(e.id);
useful_assert(edges.tryDelete(e.id),
format("can't delete attribute with id %i", e.id));
}
void Graph::deleteEdge(Edge&& e){
deleteEdge(e);
}
bool Graph::tryDeleteEdge(id_t edge_id){
Edge* e;
if(!edges.tryGet(edge_id, &e))
return false;
deleteEdge(*e);
return true;
}
const RBTree<id_t, Attribute>& Graph::getAttributes() const {
return attributes;
}
bool Graph::tryGetAttribute(id_t attr_id, Attribute** result) const {
return attributes.tryGet(attr_id, result);
}
Attribute* Graph::createAttribute(Attribute& a){
Attribute* result = nullptr;
useful_assert(attributes.tryAdd(a.id, a, &result),
format("can't create attribute with id %i to Graph", a.id));
useful_assert(a.parent_node->attributes.tryAdd(a.id, result, nullptr),
format("can't add attribute with id %i to Node", a.id));
return result;
}
Attribute* Graph::createAttribute(Attribute&& a){
return createAttribute(a);
}
void Graph::deleteAttribute(Attribute& a){
for(const auto& edge_p : a.incoming_edges){
useful_assert(edges.tryDelete(edge_p.second->id),
format("can't find edge with id %i", edge_p.second->id));
}
for(const auto& edge_p : a.outgoing_edges){
useful_assert(edges.tryDelete(edge_p.second->id),
format("can't find edge with id %i", edge_p.second->id));
}
useful_assert(attributes.tryDelete(a.id),
format("can't delete attribute with id %i", a.id));
}
void Graph::deleteAttribute(Attribute&& a){
deleteAttribute(a);
}
bool Graph::tryDeleteAttribute(id_t attr_id){
Attribute* a;
if(!attributes.tryGet(attr_id, &a))
return false;
deleteAttribute(*a);
return true;
}
}

78
src/GraphModel/GraphModel.hpp
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@ -17,28 +17,38 @@ public:
id_t getNext();
};
typedef struct Node Node;
typedef class Node Node;
typedef class Attribute Attribute;
typedef struct Edge Edge;
typedef class Graph Graph;
class Attribute {
std::vector<std::shared_ptr<Edge>> incoming_edges;
std::vector<std::shared_ptr<Edge>> outgoing_edges;
friend class Graph;
// pointers to instances in RBTree::edges
RBTree<id_t, Edge*> incoming_edges;
RBTree<id_t, Edge*> outgoing_edges;
public:
enum class Type {
Input, Output, Static
Static, Input, Output
};
const Attribute::Type type;
const id_t id;
const Node* parent_node;
Node *const parent_node;
std::string title;
Attribute(id_t _id, Node* _parent_node, Attribute::Type _type, std::string _title);
const RBTree<id_t, Edge*>& getIncomingEdges() const;
const RBTree<id_t, Edge*>& getOutgoingEdges() const;
};
class Node {
RBTree<id_t, Attribute> attributes;
friend class Graph;
// pointers to Attributes in Graph::attributes
RBTree<id_t, Attribute*> attributes;
public:
const id_t id;
@ -46,10 +56,7 @@ public:
Node(id_t _id, std::string _title);
RBTree<id_t, Attribute>& getAttributes();
bool tryCreateAttribute(IdGenerator id_gen, Attribute*& result);
bool tryGetAttribute(id_t attr_id, Attribute*& result);
bool tryDeleteAttribute(id_t attr_id);
const RBTree<id_t, Attribute*>& getAttributes() const;
};
struct Edge {
@ -61,30 +68,57 @@ struct Edge {
};
class Graph {
friend class Attribute;
friend class Node;
friend class Edge;
RBTree<id_t, Node> nodes;
RBTree<id_t, Edge> edges;
RBTree<id_t, Attribute> attributes;
public:
IdGenerator id_gen;
Graph();
Graph(RBTree<id_t, Node>& _nodes, RBTree<id_t, Edge>& _edges);
Graph(RBTree<id_t, Node>&& _nodes, RBTree<id_t, Edge>&& _edges);
RBTree<id_t, Node>& getNodes();
bool tryCreateNode(std::string _title, Node*& result);
bool tryGetNode(id_t node_id, Node*& result);
const RBTree<id_t, Node>& getNodes() const;
Node* createNode(Node& n);
Node* createNode(Node&& n);
///@param result nullable
bool tryGetNode(id_t node_id, Node** result) const;
void deleteNode(Node& n);
void deleteNode(Node&& n);
bool tryDeleteNode(id_t node_id);
RBTree<id_t, Edge>& getEdges();
bool tryCreateEdge(Attribute& from, Attribute& to, Edge*& result);
bool tryGetEdge(id_t edge_id, Edge*& result);
const RBTree<id_t, Edge>& getEdges() const;
Edge* createEdge(Attribute& from, Attribute& to);
Edge* createEdge(Attribute&& from, Attribute&& to);
///@param result nullable
bool tryCreateEdge(id_t from_attr_id, id_t to_attr_id, Edge** result);
///@param result nullable
bool tryGetEdge(id_t edge_id, Edge** result) const;
void deleteEdge(Edge& e);
void deleteEdge(Edge&& e);
bool tryDeleteEdge(id_t edge_id);
bool tryGetAttribute(id_t attr_id, Attribute*& result);
const RBTree<id_t, Attribute>& getAttributes() const;
Attribute* createAttribute(Attribute& attr);
Attribute* createAttribute(Attribute&& attr);
///@param result nullable
bool tryGetAttribute(id_t attr_id, Attribute** result) const;
void deleteAttribute(Attribute& a);
void deleteAttribute(Attribute&& a);
bool tryDeleteAttribute(id_t attr_id);
};
}

4
src/GraphModel/Node.cpp
View File

@ -6,4 +6,8 @@ Node::Node(id_t _id, std::string _title)
: id(_id), title(_title)
{}
const RBTree<id_t, Attribute*>& Node::getAttributes() const {
return attributes;
}
}

153
src/RBTree.hpp
View File

@ -2,7 +2,7 @@
#include "../../dependencies/kerep/src/base/base.h"
#include <map>
#include <memory>
#include <sstream>
// typedef char* TKey;
// typedef char* TVal;
@ -69,57 +69,6 @@ class RBTree {
}
};
template<typename TIteratorValue>
struct TreeIterator : std::iterator<std::bidirectional_iterator_tag, TIteratorValue> {
Node* n;
TreeIterator(TreeIterator const& src){
n = src.n;
}
TreeIterator(Node* ptr){
n = ptr;
}
bool operator!=(TreeIterator const& other) const {
return n == other.n;
}
bool operator==(TreeIterator const& other) const {
return n == other.n;
}
reference operator*() const {
if(n == nullptr)
throw "RBTree::TreeIterator::operator*() error: n == nullptr";
return *((pointer)(void*)n);
}
TreeIterator& operator++() {
if(n == nullptr)
return *this;
Node* prev_n = nullptr;
while(n->parent != nullptr && (n->right == nullptr || n->right == prev_n)){
prev_n = n;
n = n->parent;
}
n = n->right;
return *this;
}
TreeIterator& operator--() {
if(n == nullptr)
return *this;
Node* prev_n = nullptr;
while(n->parent != nullptr && (n->left == nullptr || n->left == prev_n)){
prev_n = n;
n = n->parent;
}
n = n->left;
return *this;
}
};
Node* root = nullptr;
@ -133,7 +82,7 @@ class RBTree {
n = n->left;
else if(key > n->key)
n = n->right;
else return nullptr; // key == n->key
else return n->parent; // key == n->key
}
return parent;
}
@ -147,8 +96,8 @@ class RBTree {
if(x == x->parent->left)
x->parent->left = y;
else x->parent->right = y;
// TODO: maybe should set root to y?
}
else root = y;
// 3. move y.left to x.right if it exists
x->right = y->left;
if (x->right != nullptr)
@ -168,6 +117,7 @@ class RBTree {
x->parent->left = y;
else x->parent->right = y;
}
else root = y;
// 3. move y.right to x.left if it exists
x->left = y->right;
if (x->left != nullptr)
@ -178,12 +128,13 @@ class RBTree {
}
void transplantNode(Node* old, Node* neww){
neww->parent = old->parent;
if(old->parent == nullptr)
root = neww;
else if(old->parent->left == old)
old->parent->left = neww;
else old->parent->right = neww;
if(neww != nullptr)
neww->parent = old->parent;
}
void fixupInsertion(Node* n){
@ -297,6 +248,48 @@ class RBTree {
}
template<typename TIteratorValue>
struct TreeIterator : std::iterator<std::bidirectional_iterator_tag, TIteratorValue> {
Node* n;
TreeIterator(TreeIterator const& src){
n = src.n;
}
TreeIterator(Node* ptr){
n = ptr;
}
bool operator!=(TreeIterator const& other) const {
return n != other.n;
}
bool operator==(TreeIterator const& other) const {
return n == other.n;
}
TIteratorValue& operator*() const {
if(n == nullptr)
throw "RBTree::TreeIterator::operator*() error: n == nullptr";
return *((TIteratorValue*)(void*)n);
}
void operator++() {
if(n == nullptr)
return;
if(n->right)
n = n->right->getMinChild();
else {
Node* p = n->parent;
while(p != nullptr && n == p->right){
n = p;
p = p->parent;
}
n = p;
}
}
};
public:
using iterator = TreeIterator<std::pair<const TKey, TVal>>;
using const_iterator = TreeIterator<std::pair<const TKey, const TVal>>;
@ -425,8 +418,10 @@ public:
if(!resultPtr)
return false;
Node* parent = findParentForKey(key);
Node* n;
if(key < parent->key)
Node* n = nullptr;
if(parent == nullptr)
n = root;
else if(key < parent->key)
n = parent->left;
else n = parent->right;
// if there is no node with the given key
@ -442,8 +437,10 @@ public:
bool tryDelete(TKey key){
Node* parent = findParentForKey(key);
Node* n;
if(key < parent->key)
Node* n = nullptr;
if(parent == nullptr)
n = root;
else if(key < parent->key)
n = parent->left;
else n = parent->right;
// key not found
@ -453,12 +450,12 @@ public:
if(n->left == nullptr){
transplantNode(n, n->right);
if(n->color == Color::Black)
if(n->color == Color::Black && n->right != nullptr)
fixupDeletion(n->right);
}
else if(n->right == nullptr){
transplantNode(n, n->left);
if(n->color == Color::Black)
if(n->color == Color::Black && n->left != nullptr)
fixupDeletion(n->left);
}
else {
@ -477,6 +474,7 @@ public:
}
delete n;
return true;
}
@ -499,8 +497,37 @@ public:
}
const_iterator end() const {
if(root == nullptr)
return const_iterator(nullptr);
return const_iterator(root->getMaxChild());
}
void _generateGraphVizCodeForChildren(std::stringstream& ss, Node* n) const {
if(!n)
return;
if(n->color == Color::Red)
ss<<" \""<<n->key<<"\" [color=red]\n";
if(n->left){
ss<<" \""<<n->key<<"\" -> \""<<n->left->key<<"\" [side=L]\n";
_generateGraphVizCodeForChildren(ss, n->left);
}
else ss<<" \""<<n->key<<"\" -> \"null\" [side=L]\n";
if(n->right){
ss<<" \""<<n->key<<"\" -> \""<<n->right->key<<"\" [side=R]\n";
_generateGraphVizCodeForChildren(ss, n->right);
}
else ss<<" \""<<n->key<<"\" -> \"null\" [side=R]\n";
}
std::string generateGraphVizCode() const {
std::stringstream ss;
ss<<"digraph {\n"
" node [style=filled,color=gray];\n";
if(root == nullptr)
ss<<" \"null\"\n";
else {
ss<<" \"null-parent\" -> \""<<root->key<<"\"\n";
_generateGraphVizCodeForChildren(ss, root);
}
ss<<"}";
return ss.str();
}
};

8
src/UsefulException.hpp
View File

@ -18,10 +18,4 @@ public:
virtual char const* what() const noexcept;
};
#if DEBUG == 1
/// Use this macro to find bugs in debug build. Release build could be compiled without asserts. Define DEBUG=1 to enable assert compilation.
#define assert(EXPR, ERRMSG) if(!EXPR) throw UsefulException(ERRMSG);
#else
/// Use this macro to find bugs in debug build. Release build could be compiled without asserts. Define DEBUG=1 to enable assert compilation.
#define assert(EXPR, ERRMSG) EXPR
#endif
#define useful_assert(EXPR, ERRMSG) if(!EXPR) throw UsefulException(ERRMSG);

123
src/gui/NodeEditor.cpp
View File

@ -4,16 +4,15 @@
namespace GraphC::gui {
void drawNode(GraphModel::Node& node){
void NodeEditor::drawNode(const GraphModel::Node& node){
ImNodes::BeginNode(node.id);
ImNodes::BeginNodeTitleBar();
ImGui::TextUnformatted(node.title.c_str());
ImNodes::EndNodeTitleBar();
for(GraphModel::Attribute& a : node.attributes)
{
switch (a.type)
{
for(auto& a_p : node.getAttributes()){
auto&& a = *a_p.second;
switch (a.type){
case GraphModel::Attribute::Type::Input:
ImNodes::BeginInputAttribute(a.id);
ImGui::Text("%s", a.title.c_str());
@ -35,19 +34,72 @@ void drawNode(GraphModel::Node& node){
break;
}
}
const char* items[]={
"static","input", "output"
};
static int selected_item_i = 0;
if(ImGui::Button("add attribute"))
ImGui::OpenPopup("new_attribute_popup");
if(ImGui::BeginPopup("new_attribute_popup")){
ImGui::SeparatorText("New attribute properties");
static char buf[256];
ImGui::InputText("label", buf, sizeof(buf));
if(ImGui::Button("select type"))
ImGui::OpenPopup("select_type_popup");
ImGui::SameLine();
ImGui::TextUnformatted(items[selected_item_i]);
if(ImGui::BeginPopup("select_type_popup")){
for (int i = 0; i < IM_ARRAYSIZE(items); i++)
if (ImGui::Selectable(items[i]))
selected_item_i = i;
ImGui::EndPopup();
}
if(ImGui::Button("Create attribute")){
graph.createAttribute(GraphModel::Attribute(
graph.id_gen.getNext(),
const_cast<GraphModel::Node*>(&node),
(GraphModel::Attribute::Type)selected_item_i,
std::string(buf)));
std::cout<<"ATTRIBUTES:\n";
std::cout<<graph.getAttributes().generateGraphVizCode()<<std::endl;
ImGui::CloseCurrentPopup();
buf[0] = 0;
selected_item_i = 0;
}
ImGui::EndPopup();
}
ImNodes::EndNode();
}
GraphModel::Node CreateExampleNode(GraphModel::id_t* next_id, std::string title){
GraphModel::Node a = GraphModel::Node((*next_id)++, title);
a.attributes.push_back(GraphModel::Attribute((*next_id)++, &a, GraphModel::Attribute::Type::Input, "In"));
a.attributes.push_back(GraphModel::Attribute((*next_id)++, &a, GraphModel::Attribute::Type::Output, "Out"));
a.attributes.push_back(GraphModel::Attribute((*next_id)++, &a, GraphModel::Attribute::Type::Static, "Static"));
return a;
GraphModel::Node* NodeEditor::CreateExampleNode(std::string title){
GraphModel::Node* n = graph.createNode(GraphModel::Node(graph.id_gen.getNext(), title));
graph.createAttribute(GraphModel::Attribute(graph.id_gen.getNext(), n, GraphModel::Attribute::Type::Input, "In"));
graph.createAttribute(GraphModel::Attribute(graph.id_gen.getNext(), n, GraphModel::Attribute::Type::Output, "Out"));
graph.createAttribute(GraphModel::Attribute(graph.id_gen.getNext(), n, GraphModel::Attribute::Type::Static, "Static"));
return n;
}
NodeEditor::NodeEditor(std::string _title) : title(_title) {
NodeEditor::NodeEditor(std::string _title)
: title(_title)
{
// CreateExampleNode("Node A");
// CreateExampleNode("Node B");
// CreateExampleNode("Node C");
// CreateExampleNode("Node D");
std::cout<<"NODES:\n";
std::cout<<graph.getNodes().generateGraphVizCode()<<std::endl;
std::cout<<"ATTRIBUTES:\n";
std::cout<<graph.getAttributes().generateGraphVizCode()<<std::endl;
}
void NodeEditor::show(){
@ -65,37 +117,56 @@ void NodeEditor::draw(){
ImGui::Begin(title.c_str(), &editor_open);
ImGui::SetWindowSizeMin(300,300);
if(ImGui::Button("create node")){
ImGui::OpenPopup("create_node_popup");
}
static char buf[256];
if(ImGui::BeginPopup("create_node_popup")){
ImGui::SeparatorText("New node properties");
ImGui::InputText("label", buf, sizeof(buf));
if(ImGui::Button("create node")){
graph.createNode(GraphModel::Node(graph.id_gen.getNext(), buf));
std::cout<<"NODES:\n";
std::cout<<graph.getNodes().generateGraphVizCode()<<std::endl;
buf[0] = 0;
ImGui::CloseCurrentPopup();
}
ImGui::EndPopup();
}
ImNodes::BeginNodeEditor();
// draw nodes
for(auto&& p : graph->getNodes()){
drawNode(p.second);
for(auto& n_p : graph.getNodes()){
drawNode(n_p.second);
}
// draw edges
const auto& edges = graph->getEdges();
edges.empl = GraphModel::Edge();
for(auto&& p : edges){
for(auto& p : graph.getEdges()){
ImNodes::Link(p.second.id, p.second.to_attr_id, p.second.from_attr_id);
}
ImNodes::EndNodeEditor();
// handle edge creation
GraphModel::id_t to_attr_id;
GraphModel::id_t from_attr_id;
GraphModel::id_t from_attr_id, to_attr_id;
if (ImNodes::IsLinkCreated(&from_attr_id, &to_attr_id))
{
graph->createEdge(graph->getEdge(from_attr_id), graph->getEdge(to_attr_id));
if(!graph.tryCreateEdge(from_attr_id, to_attr_id, nullptr))
throw UsefulException(format("can't create edge from attribute %i to attribute %i", from_attr_id, to_attr_id));
std::cout<<"EDGES:\n";
std::cout<<graph.getEdges().generateGraphVizCode()<<std::endl;
}
// handle edge destruction
GraphModel::id_t edge_id;
if (ImNodes::IsLinkDestroyed(&edge_id))
{
auto iter = std::find_if(edges.begin(), edges.end(),
[edge_id](const GraphModel::Edge& edge) -> bool {
return edge.id == edge_id;
});
assert(iter != edges.end());
edges.erase(iter);
if(!graph.tryDeleteEdge(edge_id))
throw UsefulException(format("can't delete edge with id %i", edge_id));
std::cout<<"EDGES:\n";
std::cout<<graph.getEdges().generateGraphVizCode()<<std::endl;
}
ImGui::End();

5
src/gui/NodeEditor.hpp
View File

@ -10,7 +10,10 @@ class NodeEditor {
std::string title=nullptr;
bool editor_open=false;
ImNodesContext* editor_context=nullptr;
std::shared_ptr<GraphModel::Graph> graph;
GraphModel::Graph graph;
void drawNode(const GraphModel::Node& node);
GraphModel::Node* CreateExampleNode(std::string title);
public:
NodeEditor(std::string _title);

6
src/gui/gui.cpp
View File

@ -75,8 +75,8 @@ void GUI::init(const char* window_title){
ImNodes::CreateContext();
ImNodes::StyleColorsDark();
ImNodes::PushAttributeFlag(ImNodesAttributeFlags_EnableLinkDetachWithDragClick);
node_editor=NodeEditor("node editor");
node_editor.show();
node_editor = new NodeEditor("node editor");
node_editor->show();
}
// Wait, poll and handle events (inputs, window resize, etc.)
@ -118,7 +118,7 @@ void GUI::draw_frame(){
// Draw UI
draw_bg_window();
draw_debug_window(io, &main_loop_wait_for_input);
node_editor.draw();
node_editor->draw();
// Rendering
ImGui::Render();

7
src/gui/gui.hpp
View File

@ -1,6 +1,7 @@
#pragma once
#include "../../dependencies/kerep/src/base/base.h"
#include "../../dependencies/kerep/src/base/std.h"
#include "../../dependencies/kerep/src/kprint/kprintf.h"
#include "../../dependencies/SDL2/include/SDL.h"
#include "../../dependencies/SDL2/include/SDL_opengl.h"
#include "../../dependencies/imgui/imgui.h"
@ -9,6 +10,8 @@
#include "imgui_extensions.hpp"
#include "fonts.hpp"
#include "exceptions.hpp"
#include <iostream>
#include <string>
/// converts hex color to float vector
#define RGBAHexToF(R8,G8,B8,A8) ImVec4(((u8)35)/255.0f, ((u8)35)/255.0f, ((u8)50)/255.0f, ((u8)255)/255.0f)
@ -33,7 +36,7 @@ private:
bool show_metrics_window = false;
SDL_Window* sdl_window;
SDL_GLContext gl_context;
NodeEditor node_editor = NodeEditor("new editor");
NodeEditor* node_editor = nullptr;
public:
void init(const char* window_title);