ImGui: Added FindContainerByName() helper (#7313)

Added a helper function to find a container by name in the histogram container.

Signed-off-by: Benjamin Jillich <jillich@amazon.com>

Gems/ImGui/Code/Include/LYImGuiUtils/HistogramGroup.h

@@ -36,6 +36,8 @@ namespace ImGui::LYImGuiUtils
 
         void SetHistogramBinCount(int count) { m_histogramBinCount = count; }
 
+        ImGui::LYImGuiUtils::HistogramContainer* FindContainerByName(const char* name);
+
         //! Needs to be public for l-value access for ImGui::MenuItem()
         bool m_show = true;
 

Gems/ImGui/Code/Source/LYImGuiUtils/HistogramGroup.cpp

@@ -77,6 +77,17 @@ namespace ImGui::LYImGuiUtils
             }
         }
     }
+
+    ImGui::LYImGuiUtils::HistogramContainer* HistogramGroup::FindContainerByName(const char* name)
+    {
+        const auto iterator = m_histogramIndexByName.find(name);
+        if (iterator != m_histogramIndexByName.end())
+        {
+            return &m_histograms[iterator->second];
+        }
+
+        return nullptr;
+    }
 } // namespace ImGui::LYImGuiUtils
 
 #endif // IMGUI_ENABLED