From d152b4193c261fc5d0bc98d04dd63f7f878db7af Mon Sep 17 00:00:00 2001
From: Sebastian <sebastian.e.gross@gmail.com>
Date: Sat, 21 Apr 2018 21:40:05 +0100
Subject: [PATCH] Added to ImGuiImplementation GetCursorData function allowing
 to access data associated with ImGui cursors (UVs and size).

---
 Source/ImGui/Private/ImGuiImplementation.cpp | 21 ++++++++++++++++++++
 Source/ImGui/Private/ImGuiImplementation.h   |  3 +++
 2 files changed, 24 insertions(+)

diff --git a/Source/ImGui/Private/ImGuiImplementation.cpp b/Source/ImGui/Private/ImGuiImplementation.cpp
index 7bac665..3aa791c 100644
--- a/Source/ImGui/Private/ImGuiImplementation.cpp
+++ b/Source/ImGui/Private/ImGuiImplementation.cpp
@@ -28,6 +28,8 @@
 #endif // PLATFORM_WINDOWS
 
 
+#include "ImGuiInteroperability.h"
+
 namespace ImGuiImplementation
 {
 	// This is exposing ImGui default context for the whole module.
@@ -41,4 +43,23 @@ namespace ImGuiImplementation
 	{
 		SaveIniSettingsToDisk(Filename);
 	}
+
+	bool GetCursorData(int CursorType, FVector2D& OutSize, FVector2D& OutUVMin, FVector2D& OutUVMax, FVector2D& OutOutlineUVMin, FVector2D& OutOutlineUVMax)
+	{
+		if (static_cast<unsigned>(CursorType) < static_cast<unsigned>(ImGuiMouseCursor_Count_))
+		{
+			using namespace ImGuiInterops;
+			ImGuiMouseCursorData& CursorData = GImGui->MouseCursorData[CursorType];
+			OutSize = ToVector2D(CursorData.Size);
+			OutUVMin = ToVector2D(CursorData.TexUvMin[0]);
+			OutUVMax = ToVector2D(CursorData.TexUvMax[0]);
+			OutOutlineUVMin = ToVector2D(CursorData.TexUvMin[1]);
+			OutOutlineUVMax = ToVector2D(CursorData.TexUvMax[1]);
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
 }
\ No newline at end of file
diff --git a/Source/ImGui/Private/ImGuiImplementation.h b/Source/ImGui/Private/ImGuiImplementation.h
index 31aa441..7cc5084 100644
--- a/Source/ImGui/Private/ImGuiImplementation.h
+++ b/Source/ImGui/Private/ImGuiImplementation.h
@@ -13,4 +13,7 @@ namespace ImGuiImplementation
 
 	// Save current context settings.
 	void SaveCurrentContextIniSettings(const char* Filename);
+
+	// Get specific cursor data.
+	bool GetCursorData(int CursorType, FVector2D& OutSize, FVector2D& OutUVMin, FVector2D& OutUVMax, FVector2D& OutOutlineUVMin, FVector2D& OutOutlineUVMax);
 }