syntax highlighting toggle, uses your font now

src/app/config.rs

@@ -21,6 +21,8 @@ pub struct Config {
     pub font_family: String,
     #[serde(default = "default_font_size")]
     pub font_size: f32,
+    #[serde(default = "default_syntax_highlighting")]
+    pub syntax_highlighting: bool,
     // pub vim_mode: bool,
 }
 
@@ -45,18 +47,22 @@ fn default_font_family() -> String {
 fn default_font_size() -> f32 {
     14.0
 }
+fn default_syntax_highlighting() -> bool {
+    false
+}
 
 impl Default for Config {
     fn default() -> Self {
         Self {
-            auto_hide_toolbar: false,
-            hide_tab_bar: true,
-            show_line_numbers: false,
-            word_wrap: true,
+            auto_hide_toolbar: default_auto_hide_toolbar(),
+            hide_tab_bar: default_hide_tab_bar(),
+            show_line_numbers: default_show_line_numbers(),
+            word_wrap: default_word_wrap(),
             theme: Theme::default(),
-            line_side: false,
-            font_family: "Proportional".to_string(),
-            font_size: 14.0,
+            line_side: default_line_side(),
+            font_family: default_font_family(),
+            font_size: default_font_size(),
+            syntax_highlighting: default_syntax_highlighting(),
             // vim_mode: false,
         }
     }

src/app/state/config.rs

@@ -1,21 +1,10 @@
 use super::editor::TextEditor;
 use crate::app::config::Config;
-use crate::app::tab::Tab;
 use crate::app::theme;
 
 impl TextEditor {
     pub fn from_config(config: Config) -> Self {
         Self {
-            tabs: vec![Tab::new_empty(1)],
-            active_tab_index: 0,
-            tab_counter: 1,
-            show_about: false,
-            show_shortcuts: false,
-            show_find: false,
-            show_preferences: false,
-            pending_unsaved_action: None,
-            force_quit_confirmed: false,
-            clean_quit_requested: false,
             show_line_numbers: config.show_line_numbers,
             word_wrap: config.word_wrap,
             auto_hide_toolbar: config.auto_hide_toolbar,
@@ -24,30 +13,8 @@ impl TextEditor {
             line_side: config.line_side,
             font_family: config.font_family,
             font_size: config.font_size,
-            font_size_input: None,
-            zoom_factor: 1.0,
-            menu_interaction_active: false,
-            tab_bar_rect: None,
-            menu_bar_stable_until: None,
-            text_processing_result: std::sync::Arc::new(std::sync::Mutex::new(Default::default())),
-            _processing_thread_handle: None,
-            find_query: String::new(),
-            replace_query: String::new(),
-            find_matches: Vec::new(),
-            current_match_index: None,
-            case_sensitive_search: false,
-            show_replace_section: false,
-            prev_show_find: false,
-            focus_find: false,
-            // vim_mode: config.vim_mode,
-            previous_cursor_position: None,
-            previous_content: String::new(),
-            previous_cursor_char_index: None,
-            current_cursor_line: 0,
-            previous_cursor_line: 0,
-            font_settings_changed: false,
-            text_needs_processing: false,
-            should_select_current_match: false,
+            syntax_highlighting: config.syntax_highlighting,
+            ..Default::default()
         }
     }
 
@@ -87,6 +54,7 @@ impl TextEditor {
             line_side: self.line_side,
             font_family: self.font_family.to_string(),
             font_size: self.font_size,
+            syntax_highlighting: self.syntax_highlighting,
             // vim_mode: self.vim_mode,
         }
     }

src/app/state/default.rs

@@ -20,6 +20,7 @@ impl Default for TextEditor {
             word_wrap: true,
             auto_hide_toolbar: false,
             hide_tab_bar: true,
+            syntax_highlighting: false,
             theme: Theme::default(),
             line_side: false,
             font_family: "Proportional".to_string(),

src/app/state/editor.rs

@@ -45,6 +45,7 @@ pub struct TextEditor {
     pub(crate) word_wrap: bool,
     pub(crate) auto_hide_toolbar: bool,
     pub(crate) hide_tab_bar: bool,
+    pub(crate) syntax_highlighting: bool,
     pub(crate) theme: Theme,
     pub(crate) line_side: bool,
     pub(crate) font_family: String,

src/app/tab.rs

@@ -2,35 +2,32 @@ use std::collections::hash_map::DefaultHasher;
 use std::hash::{Hash, Hasher};
 use std::path::PathBuf;
 
-pub fn compute_content_hash(content: &str, hasher: &mut DefaultHasher) -> u64 {
-    content.hash(hasher);
-    hasher.finish()
+pub fn compute_content_hash(content: &str) -> u64 {
+    let mut hasher = DefaultHasher::new();
+    content.hash(&mut hasher);
+    let hash = hasher.finish();
+    hash
 }
 
 #[derive(Clone)]
 pub struct Tab {
     pub content: String,
     pub original_content_hash: u64,
-    pub last_content_hash: u64,
     pub file_path: Option<PathBuf>,
     pub is_modified: bool,
     pub title: String,
-    pub hasher: DefaultHasher,
 }
 
 impl Tab {
     pub fn new_empty(tab_number: usize) -> Self {
         let content = String::new();
-        let mut hasher = DefaultHasher::new();
-        let hash = compute_content_hash(&content, &mut hasher);
+        let hash = compute_content_hash(&content);
         Self {
             original_content_hash: hash,
-            last_content_hash: hash,
             content,
             file_path: None,
             is_modified: false,
             title: format!("new_{tab_number}"),
-            hasher,
         }
     }
 
@@ -38,19 +35,16 @@ impl Tab {
         let title = file_path
             .file_name()
             .and_then(|n| n.to_str())
-            .unwrap_or("Untitled")
+            .unwrap_or("UNKNOWN")
             .to_string();
 
-        let mut hasher = DefaultHasher::new();
-        let hash = compute_content_hash(&content, &mut hasher);
+        let hash = compute_content_hash(&content);
         Self {
             original_content_hash: hash,
-            last_content_hash: hash,
             content,
             file_path: Some(file_path),
             is_modified: false,
             title,
-            hasher,
         }
     }
 
@@ -63,15 +57,13 @@ impl Tab {
         if self.title.starts_with("new_") {
             self.is_modified = !self.content.is_empty();
         } else {
-            let current_hash = compute_content_hash(&self.content, &mut self.hasher);
-            self.is_modified = current_hash != self.last_content_hash;
-            self.last_content_hash = current_hash;
+            let current_hash = compute_content_hash(&self.content);
+            self.is_modified = current_hash != self.original_content_hash;
         }
     }
 
     pub fn mark_as_saved(&mut self) {
-        self.original_content_hash = compute_content_hash(&self.content, &mut self.hasher);
-        self.last_content_hash = self.original_content_hash;
+        self.original_content_hash = compute_content_hash(&self.content);
         self.is_modified = false;
     }
 }

src/ui/central_panel/editor.rs

@@ -80,6 +80,8 @@ pub(super) fn editor_view_ui(ui: &mut egui::Ui, app: &mut TextEditor) -> egui::R
     let show_shortcuts = app.show_shortcuts;
     let word_wrap = app.word_wrap;
     let font_size = app.font_size;
+    let font_id = app.get_font_id();
+    let syntax_highlighting_enabled = app.syntax_highlighting;
 
     let reset_zoom_key = egui::Id::new("editor_reset_zoom");
     let should_reset_zoom = ui
@@ -164,26 +166,29 @@ pub(super) fn editor_view_ui(ui: &mut egui::Ui, app: &mut TextEditor) -> egui::R
         f32::INFINITY
     };
 
-    // Determine the language for syntax highlighting
     let language = get_language_from_extension(active_tab.file_path.as_deref());
-    
-    // Create a code theme based on the current system theme visuals
     let theme = create_code_theme_from_visuals(ui.visuals(), font_size);
     
     let mut layouter = |ui: &egui::Ui, string: &dyn egui::TextBuffer, wrap_width: f32| {
         let text = string.as_str();
-        let mut layout_job = if language == "txt" {
-            syntax_highlighting::highlight(ui.ctx(), &ui.style().clone(), &theme, text, "")
-        } else {
+        let mut layout_job = if syntax_highlighting_enabled && language != "txt" {
             syntax_highlighting::highlight(ui.ctx(), &ui.style().clone(), &theme, text, &language)
+        } else {
+            syntax_highlighting::highlight(ui.ctx(), &ui.style().clone(), &theme, text, "")
         };
+        
+        if syntax_highlighting_enabled && language != "txt" {
+            for section in &mut layout_job.sections {
+                section.format.font_id = font_id.clone();
+            }
+        }
+        
         layout_job.wrap.max_width = wrap_width;
         ui.fonts(|f| f.layout_job(layout_job))
     };
 
     let text_edit = egui::TextEdit::multiline(&mut active_tab.content)
         .frame(false)
-        .font(egui::TextStyle::Monospace)
         .code_editor()
         .desired_width(desired_width)
         .desired_rows(0)
@@ -248,11 +253,6 @@ pub(super) fn editor_view_ui(ui: &mut egui::Ui, app: &mut TextEditor) -> egui::R
 
         app.previous_content = content.to_owned();
         app.previous_cursor_char_index = current_cursor_pos;
-
-        if let Some(active_tab) = app.get_active_tab_mut() {
-            active_tab.last_content_hash =
-                crate::app::tab::compute_content_hash(&active_tab.content, &mut active_tab.hasher);
-        }
     }
 
     if app.font_settings_changed || app.text_needs_processing {

src/ui/menu_bar.rs

@@ -185,6 +185,10 @@ pub(crate) fn menu_bar(app: &mut TextEditor, ctx: &egui::Context) {
                             app.save_config();
                             ui.close_kind(UiKind::Menu);
                         }
+                        if ui.checkbox(&mut app.syntax_highlighting, "Syntax Highlighting").clicked() {
+                            app.save_config();
+                            ui.close_kind(UiKind::Menu);
+                        }
                         if ui.checkbox(&mut app.word_wrap, "Word Wrap").clicked() {
                             app.save_config();
                             ui.close_kind(UiKind::Menu);
@@ -276,21 +280,15 @@ pub(crate) fn menu_bar(app: &mut TextEditor, ctx: &egui::Context) {
 
                     if app.hide_tab_bar {
                         let tab_title = if let Some(tab) = app.get_active_tab() {
-                            tab.title.to_owned()
+                            tab.get_display_title()
                         } else {
                             let empty_tab = crate::app::tab::Tab::new_empty(1);
-                            empty_tab.title.to_owned()
+                            empty_tab.get_display_title()
                         };
 
                         let window_width = ctx.screen_rect().width();
                         let font_id = ui.style().text_styles[&egui::TextStyle::Body].to_owned();
 
-                        let tab_title = if app.get_active_tab().is_some_and(|tab| tab.is_modified) {
-                            format!("{tab_title}*")
-                        } else {
-                            tab_title
-                        };
-
                         let text_galley = ui.fonts(|fonts| {
                             fonts.layout_job(egui::text::LayoutJob::simple_singleline(
                                 tab_title,

src/ui/tab_bar.rs

@@ -3,9 +3,14 @@ use eframe::egui::{self, Frame};
 
 pub(crate) fn tab_bar(app: &mut TextEditor, ctx: &egui::Context) {
     let frame = Frame::NONE.fill(ctx.style().visuals.panel_fill);
-    let response = egui::TopBottomPanel::top("tab_bar")
+    let tab_bar = egui::TopBottomPanel::top("tab_bar")
         .frame(frame)
         .show(ctx, |ui| {
+            egui::ScrollArea::horizontal()
+                .auto_shrink([false, true])
+                .scroll_bar_visibility(egui::scroll_area::ScrollBarVisibility::AlwaysHidden)
+                .scroll_source(egui::scroll_area::ScrollSource::DRAG)
+                .show(ui, |ui| {
                     ui.horizontal(|ui| {
                         let mut tab_to_close_unmodified = None;
                         let mut tab_to_close_modified = None;
@@ -34,8 +39,7 @@ pub(crate) fn tab_bar(app: &mut TextEditor, ctx: &egui::Context) {
                                 label_text = label_text.italics();
                             }
 
-                    let tab_response =
-                        ui.add(egui::Label::new(label_text).sense(egui::Sense::click()));
+                            let tab_response = ui.add(egui::Label::new(label_text).selectable(false).sense(egui::Sense::click()));
                             if tab_response.clicked() {
                                 tab_to_switch = Some(i);
                             }
@@ -83,6 +87,8 @@ pub(crate) fn tab_bar(app: &mut TextEditor, ctx: &egui::Context) {
                         }
                     });
                 });
+        });
+
+    app.tab_bar_rect = Some(tab_bar.response.rect);
     
-    app.tab_bar_rect = Some(response.response.rect);
 }