Explicitly set cosmic_text wrapping to Glyph, as there is no fallback from Word -> Glyph in cases where a long uninterrupted string of characters is inserted and overflows the buffer bounds.

Author: bungoboingo

graphics/src/text/editor.rs

@@ -75,6 +75,12 @@ impl editor::Editor for Editor {
             cosmic_text::Shaping::Advanced,
         );
 
+        // For now, there is no graceful fallback from word -> glyph wrapping, so if you type
+        // a bunch of letters in a row they will overflow the text bounds. For now, we explicitly
+        // set glyph wrapping to avoid overflow issues.
+        //see: https://github.com/pop-os/cosmic-text/issues/219
+        buffer.set_wrap(font_system.raw(), cosmic_text::Wrap::Glyph);
+
         Editor(Some(Arc::new(Internal {
             editor: cosmic_text::Editor::new(buffer),
             version: font_system.version(),