Minor improvements & fixes

- Extended API
- Fixed inconsistent namespace name

Author: SShikhali

imgui_node_editor.cpp

@@ -2753,6 +2753,15 @@ ed::NodeSettings* ed::Settings::FindNode(NodeId id)
     return nullptr;
 }
 
+const ed::NodeSettings* ed::Settings::FindNode(NodeId id) const
+{
+    for (auto& settings : m_Nodes)
+        if (settings.m_ID == id)
+            return &settings;
+
+    return nullptr;
+}
+
 void ed::Settings::RemoveNode(NodeId id)
 {
     auto node = FindNode(id);

imgui_node_editor.h

@@ -35,6 +35,10 @@
 namespace ax {
 namespace NodeEditor {
 
+namespace Detail {
+//------------------------------------------------------------------------------
+struct EditorContext;
+}
 
 //------------------------------------------------------------------------------
 struct NodeId;
@@ -281,16 +285,14 @@ struct Style
 };
 
 
-//------------------------------------------------------------------------------
-struct EditorContext;
 
 
 //------------------------------------------------------------------------------
-IMGUI_NODE_EDITOR_API void SetCurrentEditor(EditorContext* ctx);
-IMGUI_NODE_EDITOR_API EditorContext* GetCurrentEditor();
-IMGUI_NODE_EDITOR_API EditorContext* CreateEditor(const Config* config = nullptr);
-IMGUI_NODE_EDITOR_API void DestroyEditor(EditorContext* ctx);
-IMGUI_NODE_EDITOR_API const Config& GetConfig(EditorContext* ctx = nullptr);
+IMGUI_NODE_EDITOR_API void SetCurrentEditor(Detail::EditorContext* ctx);
+IMGUI_NODE_EDITOR_API Detail::EditorContext* GetCurrentEditor();
+IMGUI_NODE_EDITOR_API Detail::EditorContext* CreateEditor(const Config* config = nullptr);
+IMGUI_NODE_EDITOR_API void DestroyEditor(Detail::EditorContext* ctx);
+IMGUI_NODE_EDITOR_API const Config& GetConfig(Detail::EditorContext* ctx = nullptr);
 
 IMGUI_NODE_EDITOR_API Style& GetStyle();
 IMGUI_NODE_EDITOR_API const char* GetStyleColorName(StyleColor colorIndex);

imgui_node_editor_api.cpp

@@ -44,12 +44,12 @@ static int BuildIdList(C& container, I* list, int listSize, F&& accept)
 
 
 //------------------------------------------------------------------------------
-ax::NodeEditor::EditorContext* ax::NodeEditor::CreateEditor(const Config* config)
+ax::NodeEditor::Detail::EditorContext* ax::NodeEditor::CreateEditor(const Config* config)
 {
-    return reinterpret_cast<ax::NodeEditor::EditorContext*>(new ax::NodeEditor::Detail::EditorContext(config));
+    return reinterpret_cast<ax::NodeEditor::Detail::EditorContext*>(new ax::NodeEditor::Detail::EditorContext(config));
 }
 
-void ax::NodeEditor::DestroyEditor(EditorContext* ctx)
+void ax::NodeEditor::DestroyEditor(Detail::EditorContext* ctx)
 {
     auto lastContext = GetCurrentEditor();
 
@@ -65,7 +65,7 @@ void ax::NodeEditor::DestroyEditor(EditorContext* ctx)
         SetCurrentEditor(lastContext);
 }
 
-const ax::NodeEditor::Config& ax::NodeEditor::GetConfig(EditorContext* ctx)
+const ax::NodeEditor::Config& ax::NodeEditor::GetConfig(Detail::EditorContext* ctx)
 {
     if (ctx == nullptr)
         ctx = GetCurrentEditor();
@@ -83,14 +83,14 @@ const ax::NodeEditor::Config& ax::NodeEditor::GetConfig(EditorContext* ctx)
     }
 }
 
-void ax::NodeEditor::SetCurrentEditor(EditorContext* ctx)
+void ax::NodeEditor::SetCurrentEditor(Detail::EditorContext* ctx)
 {
     s_Editor = reinterpret_cast<ax::NodeEditor::Detail::EditorContext*>(ctx);
 }
 
-ax::NodeEditor::EditorContext* ax::NodeEditor::GetCurrentEditor()
+ax::NodeEditor::Detail::EditorContext* ax::NodeEditor::GetCurrentEditor()
 {
-    return reinterpret_cast<ax::NodeEditor::EditorContext*>(s_Editor);
+    return reinterpret_cast<ax::NodeEditor::Detail::EditorContext*>(s_Editor);
 }
 
 ax::NodeEditor::Style& ax::NodeEditor::GetStyle()

imgui_node_editor_internal.h

@@ -546,6 +546,7 @@ struct Settings
 
     NodeSettings* AddNode(NodeId id);
     NodeSettings* FindNode(NodeId id);
+    const NodeSettings* FindNode(NodeId id) const;
     void RemoveNode(NodeId id);
 
     void ClearDirty(Node* node = nullptr);
@@ -1473,6 +1474,10 @@ struct EditorContext
 
     ImDrawList* GetDrawList() { return m_DrawList; }
 
+    const Settings& GetSettings() const { return m_Settings; }
+    void SetViewScroll(ImVec2 scroll) { m_Settings.m_ViewScroll = scroll; }
+    void SetViewZoom(float zoom) { m_Settings.m_ViewZoom = zoom; }
+
 private:
     void LoadSettings();
     void SaveSettings();