Enforce a minimum window size of 8px by 8px

This is to prevent a panic that occurs when the maximum size of a
window is set to 0px along at least one dimension.

1 files changed, 5 insertions, 4 deletions

diff --git a/src/events.rs b/src/events.rs
index 78ef20a..733f1c5 100644
--- a/src/events.rs
+++ b/src/events.rs
@@ -4,6 +4,7 @@ use winit::dpi::PhysicalSize;
 use winit::event::ElementState;
 use winit::keyboard::KeyCode;
 
+use std::cmp::max;
 use std::path::PathBuf;
 
 
@@ -95,12 +96,12 @@ pub struct SizeBounds {
 impl SizeBounds {
     pub fn as_min_max_size(&self, scale: u32) -> (PhysicalSize<u32>, PhysicalSize<u32>) {
         let min_size = PhysicalSize {
-            width:  std::cmp::max(1, self.min_width.unwrap_or(0)).saturating_mul(scale),
-            height: std::cmp::max(1, self.min_height.unwrap_or(0)).saturating_mul(scale),
+            width:  max(8, self.min_width.unwrap_or(0)).saturating_mul(scale),
+            height: max(8, self.min_height.unwrap_or(0)).saturating_mul(scale),
         };
         let max_size = PhysicalSize {
-            width:  self.max_width.unwrap_or(u32::MAX).saturating_mul(scale),
-            height: self.max_height.unwrap_or(u32::MAX).saturating_mul(scale),
+            width:  max(8, self.max_width.unwrap_or(u16::MAX as u32)).saturating_mul(scale),
+            height: max(8, self.max_height.unwrap_or(u16::MAX as u32)).saturating_mul(scale),
         };
         return (min_size, max_size);
     }