From e912bcb36d347bfb36b1a33f6387deeda37e6d23 Mon Sep 17 00:00:00 2001
From: ocornut <omarcornut@gmail.com>
Date: Sun, 17 May 2015 12:10:57 +0100
Subject: [PATCH] Comments

---
 imgui.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/imgui.cpp b/imgui.cpp
index 6f99f3702..0877f1fd1 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -7682,7 +7682,7 @@ void ImGui::Spacing()
     ItemSize(ImVec2(0,0));
 }
 
-// Advance cursor given item size.
+// Advance cursor given item size for layout.
 static void ItemSize(ImVec2 size, float text_offset_y)
 {
     ImGuiState& g = *GImGui;
@@ -7730,6 +7730,9 @@ bool ImGui::IsRectClipped(const ImVec2& size)
     return IsClippedEx(ImRect(window->DC.CursorPos, window->DC.CursorPos + size), NULL, true);
 }
 
+// Declare item bounding box for clipping and interaction.
+// Note that the size can be different than the one provided to ItemSize(). Typically, widgets that spread over available surface
+// declares their minimum size requirement to ItemSize() and then use a larger region for drawing/interaction, which is passed to ItemAdd().
 static bool ItemAdd(const ImRect& bb, const ImGuiID* id)
 {
     ImGuiWindow* window = GetCurrentWindow();