Fix minimize causing resize Windows

2 files changed, 12 insertions, 0 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0eb1c003..d4dcc112 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Direct escape input on Windows using alt
 - Incorrect window size on X11 when waking up from suspend
 - Incorrect width of Unicode 11/12 emojis
+- Minimize on windows causing layout issues
 
 ## 0.4.0
 
diff --git a/alacritty/src/event.rs b/alacritty/src/event.rs
index 2c171e23..4cfc2152 100644
--- a/alacritty/src/event.rs
+++ b/alacritty/src/event.rs
@@ -486,6 +486,17 @@ impl<N: Notify> Processor<N> {
                 match event {
                     CloseRequested => processor.ctx.terminal.exit(),
                     Resized(lsize) => {
+                        #[cfg(windows)]
+                        {
+                            // Minimizing the window sends a Resize event with zero width and
+                            // height. But there's no need to ever actually resize to this.
+                            // Both WinPTY & ConPTY have issues when resizing down to zero size
+                            // and back.
+                            if lsize.width == 0.0 && lsize.height == 0.0 {
+                                return;
+                            }
+                        }
+
                         let psize = lsize.to_physical(processor.ctx.size_info.dpr);
                         processor.ctx.display_update_pending.dimensions = Some(psize);
                         processor.ctx.terminal.dirty = true;