enables Combo with vector<string>

src/imHelpers.cpp

@@ -756,3 +756,20 @@ void ofxImGui::AddImage(ofTexture& texture, const ofVec2f& size)
 	ImTextureID textureID = (ImTextureID)(uintptr_t)texture.texData.textureID;
 	ImGui::Image(textureID, size);
 }
+
+//--------------------------------------------------------------
+static auto vector_getter = [](void* vec, int idx, const char** out_text)
+{
+    auto& vector = *static_cast<std::vector<std::string>*>(vec);
+    if (idx < 0 || idx >= static_cast<int>(vector.size())) { return false; }
+    *out_text = vector.at(idx).c_str();
+    return true;
+};
+
+//--------------------------------------------------------------
+bool ofxImGui::VectorCombo(const char* label, int* currIndex, std::vector<std::string>& values)
+{
+    if (values.empty()) { return false; }
+    return ImGui::Combo(label, currIndex, vector_getter,
+                        static_cast<void*>(&values), values.size());
+}
\ No newline at end of file

src/imHelpers.h

 #pragma once
 
-//#include "ofGLBaseTypes.h"
+#include "ofGLBaseTypes.h"
 #include "ofParameter.h"
 #include "ofRectangle.h"
 #include "ofTexture.h"
-//#include "ofGLBaseTypes.h"
 #include "ofBaseTypes.h"
 #include "imgui.h"
 
@@ -12,6 +11,8 @@ static const int kImGuiMargin = 10;
 
 namespace ofxImGui
 {
+	bool VectorCombo(const char* label, int* currIndex, std::vector<std::string>& values);
+
 	struct WindowOpen
 	{
 		std::stack<std::vector<std::string>> usedNames;