Add size_t combo menu

Author: Julian C. Stamm

src/framework/imguiutil.cpp

@@ -70,6 +70,10 @@ bool ImGui::Combo(const char* label, unsigned int* curr, const std::vector<std::
     return ImGui::Combo(label, reinterpret_cast<int*>(curr), items);
 }
 
+bool ImGui::Combo(const char* label, size_t* curr, const std::vector<std::string>& items) {
+    return ImGui::Combo(label, reinterpret_cast<int*>(curr), items);
+}
+
 bool ImGui::FlagCheckbox(const char* label, unsigned int* flags, unsigned int flagBitIndex) {
     bool flag = (*flags & (1 << flagBitIndex)) != 0;
     bool changed = ImGui::Checkbox(label, &flag);

src/framework/imguiutil.hpp

@@ -12,6 +12,7 @@ namespace ImGui {
     bool AngleSlider3(const char* label, glm::vec3& angles);
     bool Combo(const char* label, int* curr, const std::vector<std::string>& items);
     bool Combo(const char* label, unsigned int* curr, const std::vector<std::string>& items);
+    bool Combo(const char* label, size_t* curr, const std::vector<std::string>& item);
     bool FlagCheckbox(const char* label, unsigned int* flags, unsigned int flagBitIndex);
 
 }