Make it possible to set and use default family

Cargo.toml

@@ -7,7 +7,7 @@ edition = "2021"
 license = "MIT OR Apache-2.0"
 
 [dependencies]
-fontdb = "0.9"
+fontdb = { version = "0.9", git = "https://github.com/jackpot51/fontdb" }
 log = "0.4"
 rustybuzz = "0.5"
 swash = { version = "0.1", optional = true }

src/buffer.rs

@@ -550,7 +550,7 @@ impl<'a> TextBuffer<'a> {
 
     /// Perform a [TextAction] on the buffer
     pub fn action(&mut self, action: TextAction) {
-        let mut old_cursor = self.cursor;
+        let old_cursor = self.cursor;
 
         match action {
             TextAction::Previous => {

src/font/matches.rs

@@ -3,12 +3,13 @@
 use std::sync::Arc;
 use unicode_script::{Script, UnicodeScript};
 
-use super::{Font, FontShapeGlyph, FontShapeLine, FontShapeSpan, FontShapeWord};
+use crate::{Font, FontShapeGlyph, FontShapeLine, FontShapeSpan, FontShapeWord};
-use super::fallback::{FontFallbackIter};
+use crate::fallback::{FontFallbackIter};
 
 /// Fonts that match a pattern
 pub struct FontMatches<'a> {
     pub locale: &'a str,
+    pub default_family: String,
     pub fonts: Vec<Arc<Font<'a>>>,
 }
 
@@ -127,10 +128,10 @@ impl<'a> FontMatches<'a> {
             &line[start_word..end_word],
         );
 
-        //TODO: configure default family
+        let default_families = [self.default_family.as_str()];
         let mut font_iter = FontFallbackIter::new(
             &self.fonts,
-            &["Fira Sans", "Fira Mono"],
+            &default_families,
             scripts,
             self.locale
         );

src/font/system.rs

@@ -5,7 +5,7 @@ use std::{
     sync::{Arc, Mutex},
 };
 
-use crate::{Attrs, Font, FontMatches};
+use crate::{Attrs, Family, Font, FontMatches};
 
 /// Access system fonts
 pub struct FontSystem<'a> {
@@ -79,6 +79,7 @@ impl<'a> FontSystem<'a> {
 
     pub fn matches<F: Fn(&fontdb::FaceInfo) -> bool>(
         &'a self,
+        default_family: &Family,
         f: F,
     ) -> FontMatches<'_> {
         let mut fonts = Vec::new();
@@ -95,12 +96,13 @@ impl<'a> FontSystem<'a> {
 
         FontMatches {
             locale: &self.locale,
+            default_family: self.db.family_name(default_family).to_string(),
             fonts
         }
     }
 
     pub fn matches_attrs(&'a self, attrs: &Attrs) -> FontMatches<'_> {
-        self.matches(|face| {
+        self.matches(&attrs.family, |face| {
             let matched = attrs.matches(face);
 
             if matched {