From 968a8d2a3fecc3bf870a20f3e6a2f10dbe2cddab Mon Sep 17 00:00:00 2001
From: omar <omarcornut@gmail.com>
Date: Sun, 4 Mar 2018 16:57:44 +0100
Subject: [PATCH] Columns: Clamping MaxX above MinX. This shouldn't have much
 of a benefit / affect, but the internal values are more sane this way. (#125)

---
 imgui.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/imgui.cpp b/imgui.cpp
index 8d9611bf..27a82075 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -12514,7 +12514,7 @@ void ImGui::BeginColumns(const char* str_id, int columns_count, ImGuiColumnsFlag
     // Set state for first column
     const float content_region_width = (window->SizeContentsExplicit.x != 0.0f) ? (window->SizeContentsExplicit.x) : (window->Size.x -window->ScrollbarSizes.x);
     columns->MinX = window->DC.IndentX - g.Style.ItemSpacing.x; // Lock our horizontal range
-    columns->MaxX = content_region_width - window->Scroll.x;
+    columns->MaxX = ImMax(content_region_width - window->Scroll.x, columns->MinX + 1.0f);
     columns->StartPosY = window->DC.CursorPos.y;
     columns->StartMaxPosX = window->DC.CursorMaxPos.x;
     columns->CellMinY = columns->CellMaxY = window->DC.CursorPos.y;