fix font zooming stuff

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ced"
-version = "0.0.3"
+version = "0.0.4"
 edition = "2024"
 
 [dependencies]

src/app/state/config.rs

@@ -46,6 +46,7 @@ impl TextEditor {
             previous_cursor_char_index: None,
             current_cursor_line: 0,
             previous_cursor_line: 0,
+            font_settings_changed: false,
         }
     }
 

src/app/state/default.rs

@@ -46,6 +46,7 @@ impl Default for TextEditor {
             previous_cursor_char_index: None,
             current_cursor_line: 0,
             previous_cursor_line: 0,
+            font_settings_changed: false,
         }
     }
 }

src/app/state/editor.rs

@@ -70,4 +70,5 @@ pub struct TextEditor {
     pub(crate) previous_cursor_char_index: Option<usize>,
     pub(crate) current_cursor_line: usize,        // Track current line number incrementally
     pub(crate) previous_cursor_line: usize,       // Track previous line for comparison
+    pub(crate) font_settings_changed: bool,      // Flag to trigger text reprocessing when font changes
 }

src/app/state/ui.rs

@@ -32,11 +32,13 @@ impl TextEditor {
         egui::FontId::new(self.font_size, font_family)
     }
 
+    /// Immediately apply theme and save to configuration
     pub fn set_theme(&mut self, ctx: &egui::Context) {
         theme::apply(self.theme, ctx);
         self.save_config();
     }
 
+    /// Apply font settings with immediate text reprocessing
     pub fn apply_font_settings(&mut self, ctx: &egui::Context) {
         let font_family = match self.font_family.as_str() {
             "Monospace" => egui::FontFamily::Monospace,
@@ -50,9 +52,27 @@ impl TextEditor {
         );
 
         ctx.set_style(style);
+        self.font_settings_changed = true;
         self.save_config();
     }
 
+    /// Apply font settings with immediate text reprocessing
+    pub fn apply_font_settings_with_ui(&mut self, ctx: &egui::Context, ui: &egui::Ui) {
+        self.apply_font_settings(ctx);
+        self.reprocess_text_for_font_change(ui);
+        self.font_settings_changed = false;
+    }
+
+    /// Trigger immediate text reprocessing when font settings change
+    pub fn reprocess_text_for_font_change(&mut self, ui: &egui::Ui) {
+        if let Some(active_tab) = self.get_active_tab() {
+            let content = active_tab.content.clone();
+            if !content.is_empty() {
+                self.process_text_for_rendering(&content, ui);
+            }
+        }
+    }
+
     /// Calculates the available width for the text editor, accounting for line numbers and separator
     pub fn calculate_editor_dimensions(&self, ui: &egui::Ui) -> EditorDimensions {
         let total_available_width = ui.available_width();
@@ -65,11 +85,9 @@ impl TextEditor {
             };
         }
 
-        // Get line count from processing result
         let processing_result = self.get_text_processing_result();
         let line_count = processing_result.line_count;
 
-        // Calculate base line number width
         let font_id = self.get_font_id();
         let line_count_digits = line_count.to_string().len();
         let sample_text = "9".repeat(line_count_digits);
@@ -80,7 +98,6 @@ impl TextEditor {
                 .x
         });
 
-        // Add padding based on line_side setting
         let line_number_width = if self.line_side {
             base_line_number_width + 20.0
         } else {
@@ -108,10 +125,8 @@ impl TextEditor {
             return self.calculate_editor_dimensions(ui).text_width;
         }
 
-        // Use the pre-calculated pixel width with some padding
-        let longest_line_width = processing_result.longest_line_pixel_width + 20.0;
+        let longest_line_width = processing_result.longest_line_pixel_width + self.font_size;
 
-        // Return the larger of the calculated width or minimum available width
         let dimensions = self.calculate_editor_dimensions(ui);
         longest_line_width.max(dimensions.text_width)
     }

src/ui/central_panel/editor.rs

@@ -121,6 +121,17 @@ pub(super) fn editor_view_ui(ui: &mut egui::Ui, app: &mut TextEditor) -> egui::R
         }
     }
 
+    // Check if font settings changed and trigger reprocessing
+    if app.font_settings_changed {
+        if let Some(active_tab) = app.get_active_tab() {
+            let content = active_tab.content.clone();
+            if !content.is_empty() {
+                app.process_text_for_rendering(&content, ui);
+            }
+        }
+        app.font_settings_changed = false;
+    }
+
     if !word_wrap {
         if let Some(cursor_pos) = current_cursor_pos {
             let cursor_moved = Some(cursor_pos) != app.previous_cursor_position;

src/ui/menu_bar.rs

@@ -172,7 +172,7 @@ pub(crate) fn menu_bar(app: &mut TextEditor, ctx: &egui::Context) {
                     ui.menu_button("View", |ui| {
                         app.menu_interaction_active = true;
                         if ui
-                            .checkbox(&mut app.show_line_numbers, "Toggle Line Numbers")
+                            .checkbox(&mut app.show_line_numbers, "Show Line Numbers")
                             .clicked()
                         {
                             app.save_config();
@@ -285,8 +285,8 @@ pub(crate) fn menu_bar(app: &mut TextEditor, ctx: &egui::Context) {
 
                         let text_galley = ui.fonts(|fonts| {
                             fonts.layout_job(egui::text::LayoutJob::simple_singleline(
-                                tab_title.clone(),
-                                app.get_font_id(),
+                                tab_title,
+                                ui.style().text_styles[&egui::TextStyle::Body].clone(),
                                 ui.style().visuals.text_color(),
                             ))
                         });

src/ui/preferences_window.rs

@@ -58,7 +58,7 @@ pub(crate) fn preferences_window(app: &mut TextEditor, ctx: &egui::Context) {
                         });
 
                     if changed {
-                        app.apply_font_settings(ctx);
+                        app.apply_font_settings_with_ui(ctx, ui);
                     }
                 });
 
@@ -93,7 +93,7 @@ pub(crate) fn preferences_window(app: &mut TextEditor, ctx: &egui::Context) {
                             let clamped_size = new_size.clamp(8.0, 32.0);
                             if (app.font_size - clamped_size).abs() > 0.1 {
                                 app.font_size = clamped_size;
-                                app.apply_font_settings(ctx);
+                                app.apply_font_settings_with_ui(ctx, ui);
                             }
                         }
                         app.font_size_input = None;