add day 17 of devlog

1 files changed, 31 insertions, 0 deletions

diff --git a/posts/SDL2_devlog.md b/posts/SDL2_devlog.md
index 991a246..eb11de8 100644
--- a/posts/SDL2_devlog.md
+++ b/posts/SDL2_devlog.md
@@ -5,6 +5,37 @@ on the editor. The days are listed in reverse chronological
 order, begin from the bottom, if this is your first time on
 this page.
 
+### Day 17
+
+I decided to give the text-only statusline a touch up, by
+adding a active color and dither level preview. Aligning the
+"widget" to the right of statusline involved a lot more than
+I thought, so I created a ghetto CSS-like rectangle
+placement system to position containers inside containers:
+
+```rust
+// roughly something like this
+let statusline = 
+    Container::new(Offset::Left(0), Offset::Bottom(40))
+    .width(Size::Max)
+    .height(Size::Absolute(20));
+    
+let mut primary = Container::uninit()
+    .width(Size::Absolute(16))
+    .height(Size::Absolute(16));
+
+container.place(
+    &mut padding_box,
+    HorAlign::Right,
+    VertAlign::Center
+);
+```
+
+The result (brush preview on the bottom right):
+
+![Day 17](https://u.peppe.rs/OtU.mp4)
+
+
 ### Day 16
 
 The embedded lisp is coming along nicely, users can load