Different header sizes

src/app.rs

@@ -14,8 +14,8 @@ use crate::{
     util::{GuiSender, file_mtime, log_error},
 };
 use egui::{
-    Align, Button, Context, FontData, FontDefinitions, Image, Key, Modifiers, PointerButton,
+    Align, Button, Context, FontData, FontDefinitions, FontId, Image, Key, Modifiers,
-    RichText, ScrollArea, Widget, include_image,
+    PointerButton, RichText, ScrollArea, Widget, include_image,
 };
 use eyre::eyre;
 
@@ -201,6 +201,26 @@ impl App {
 
         cc.egui_ctx.set_fonts(fonts);
 
+        // markdown font styles
+        cc.egui_ctx.style_mut(|style| {
+            for (name, size) in [
+                ("H1", 28.0),
+                ("H2", 26.0),
+                ("H3", 24.0),
+                ("H4", 22.0),
+                ("H5", 20.0),
+                ("H6", 18.0),
+            ] {
+                style.text_styles.insert(
+                    egui::TextStyle::Name(name.into()),
+                    FontId {
+                        size,
+                        family: egui::FontFamily::Proportional,
+                    },
+                );
+            }
+        });
+
         // enable features on egui_extras to add more image types
         egui_extras::install_image_loaders(&cc.egui_ctx);
 

src/file_editor.rs

@@ -145,7 +145,7 @@ impl FileEditor {
 
         if let Some(inner) = &mut self.inner {
             while let Ok(event) = inner.file_events.try_recv() {
-                match dbg!(event) {
+                match event {
                     FileEvent::NewFileMTime(mtime) => {
                         self.file_mtime = Some(mtime);
                     }

src/markdown/highlighter.rs

@@ -1,5 +1,7 @@
 use egui::text::{CCursorRange, LayoutJob};
 
+use crate::markdown::Heading;
+
 use super::{Item, Style, parse};
 
 /// Highlight markdown, caching previous output to save CPU.
@@ -71,8 +73,15 @@ fn format_from_style(egui_style: &egui::Style, style: &Style) -> egui::text::Tex
         egui_style.visuals.text_color()
     };
 
-    let text_style = if style.heading.is_some() {
+    let text_style = if let Some(heading) = style.heading {
-        TextStyle::Heading
+        match heading {
+            Heading::H1 => TextStyle::Name("H1".into()),
+            Heading::H2 => TextStyle::Name("H2".into()),
+            Heading::H3 => TextStyle::Name("H3".into()),
+            Heading::H4 => TextStyle::Name("H4".into()),
+            Heading::H5 => TextStyle::Name("H5".into()),
+            Heading::H6 => TextStyle::Name("H6".into()),
+        }
     } else if style.code {
         TextStyle::Monospace
     } else if style.small | style.raised {