Try to force Noto Sans Regular font if present. Stop increasing the checkbox/bullet sizes separately

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 0.4.3
+
+ * Favour Noto Sans font which seems to work better for unicode symbols on Fedora
+
 # 0.4.2
 
  * Improve Statistics widget height

README.md

@@ -54,6 +54,8 @@ report from within the app.
 
 Make sure you have `libxcb-cursor0` installed (it may be called something else on non-Debian distributions).
 
+It's also recommended that you have Noto Sans fonts installed, but it's up to you. It just can impact the display of unicode symbols such as checkboxes.
+
 If downloading from my Forgejo's Releases page, you may wish to verify the GPG signatures with my [GPG key](https://mig5.net/static/mig5.asc).
 
 ### From PyPi/pip

bouquin/markdown_editor.py

@@ -41,9 +41,11 @@ class MarkdownEditor(QTextEdit):
         self.setAcceptRichText(False)
 
         # Normal text
-        self.qfont = QFont()
+        self.qfont = QFont("Noto Sans")
+        self.qfont.setStyleName("Regular")
         self.qfont.setPointSize(11)
         self.setFont(self.qfont)
+        self.document().setDefaultFont(self.qfont)
 
         self._apply_line_spacing()  # 1.25× initial spacing
 

bouquin/markdown_highlighter.py

@@ -105,13 +105,15 @@ class MarkdownHighlighter(QSyntaxHighlighter):
         if base_size <= 0:
             base_size = 10.0  # fallback
         # Checkboxes: make them a bit bigger so they stand out
+        fixed = QFont("Noto Sans", 11)
+        fixed.setStyleName("Regular")
         self.checkbox_format = QTextCharFormat()
-        self.checkbox_format.setFontPointSize(base_size * 1.3)
+        self.checkbox_format.setFontFamily(fixed.family())
         self.checkbox_format.setVerticalAlignment(QTextCharFormat.AlignMiddle)
 
         # Bullets
         self.bullet_format = QTextCharFormat()
-        self.bullet_format.setFontPointSize(base_size * 1.2)
+        self.checkbox_format.setFontFamily(fixed.family())
 
         # Markdown syntax (the markers themselves) - make invisible
         self.syntax_format = QTextCharFormat()