From ebeb92aa8e8c88171035354a62023f1f086856ed Mon Sep 17 00:00:00 2001
From: Zhaoxian Li <lizhaoxianfgg@gmail.com>
Date: Sun, 21 Jun 2020 22:05:57 +0800
Subject: [PATCH] Expose background drawlist

---
 src/lib.rs              | 5 +++++
 src/window_draw_list.rs | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index e1f326f..9e11184 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -515,6 +515,11 @@ impl<'ui> Ui<'ui> {
     pub fn get_window_draw_list(&'ui self) -> WindowDrawList<'ui> {
         WindowDrawList::new(self)
     }
+
+    #[must_use]
+    pub fn get_background_draw_list(&'ui self) -> WindowDrawList<'ui> {
+        WindowDrawList::new(self).background()
+    }
 }
 
 /// Condition for applying a setting
diff --git a/src/window_draw_list.rs b/src/window_draw_list.rs
index d5e28ac..090e818 100644
--- a/src/window_draw_list.rs
+++ b/src/window_draw_list.rs
@@ -82,6 +82,13 @@ impl<'ui> WindowDrawList<'ui> {
         }
     }
 
+    pub(crate) fn background(&mut self) -> Self {
+        Self {
+            draw_list: unsafe { sys::igGetBackgroundDrawList() },
+            _phantom: PhantomData,
+        }
+    }
+
     /// Split into *channels_count* drawing channels.
     /// At the end of the closure, the channels are merged. The objects
     /// are then drawn in the increasing order of their channel number, and not