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Split into objdiff-core / objdiff-gui; update egui to 0.26.2
This commit is contained in:
302
objdiff-gui/src/views/appearance.rs
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302
objdiff-gui/src/views/appearance.rs
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use std::sync::Arc;
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use egui::{text::LayoutJob, Color32, FontFamily, FontId, TextStyle, Widget};
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use time::UtcOffset;
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use crate::fonts::load_font_if_needed;
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#[derive(serde::Deserialize, serde::Serialize)]
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#[serde(default)]
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pub struct Appearance {
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pub ui_font: FontId,
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pub code_font: FontId,
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pub diff_colors: Vec<Color32>,
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pub theme: eframe::Theme,
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// Applied by theme
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#[serde(skip)]
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pub text_color: Color32, // GRAY
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#[serde(skip)]
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pub emphasized_text_color: Color32, // LIGHT_GRAY
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#[serde(skip)]
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pub deemphasized_text_color: Color32, // DARK_GRAY
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#[serde(skip)]
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pub highlight_color: Color32, // WHITE
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#[serde(skip)]
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pub replace_color: Color32, // LIGHT_BLUE
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#[serde(skip)]
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pub insert_color: Color32, // GREEN
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#[serde(skip)]
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pub delete_color: Color32, // RED
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// Global
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#[serde(skip)]
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pub utc_offset: UtcOffset,
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#[serde(skip)]
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pub fonts: FontState,
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#[serde(skip)]
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pub next_ui_font: Option<FontId>,
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#[serde(skip)]
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pub next_code_font: Option<FontId>,
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}
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pub struct FontState {
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definitions: egui::FontDefinitions,
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source: font_kit::source::SystemSource,
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family_names: Vec<String>,
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// loaded_families: HashMap<String, LoadedFontFamily>,
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}
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const DEFAULT_UI_FONT: FontId = FontId { size: 12.0, family: FontFamily::Proportional };
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const DEFAULT_CODE_FONT: FontId = FontId { size: 14.0, family: FontFamily::Monospace };
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impl Default for Appearance {
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fn default() -> Self {
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Self {
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ui_font: DEFAULT_UI_FONT,
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code_font: DEFAULT_CODE_FONT,
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diff_colors: DEFAULT_COLOR_ROTATION.to_vec(),
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theme: eframe::Theme::Dark,
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text_color: Color32::GRAY,
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emphasized_text_color: Color32::LIGHT_GRAY,
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deemphasized_text_color: Color32::DARK_GRAY,
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highlight_color: Color32::WHITE,
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replace_color: Color32::LIGHT_BLUE,
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insert_color: Color32::GREEN,
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delete_color: Color32::from_rgb(200, 40, 41),
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utc_offset: UtcOffset::UTC,
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fonts: FontState::default(),
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next_ui_font: None,
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next_code_font: None,
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}
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}
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}
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impl Default for FontState {
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fn default() -> Self {
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Self {
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definitions: Default::default(),
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source: font_kit::source::SystemSource::new(),
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family_names: Default::default(),
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// loaded_families: Default::default(),
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}
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}
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}
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impl Appearance {
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pub fn pre_update(&mut self, ctx: &egui::Context) {
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let mut style = ctx.style().as_ref().clone();
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style.text_styles.insert(TextStyle::Body, FontId {
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size: (self.ui_font.size * 0.75).floor(),
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family: self.ui_font.family.clone(),
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});
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style.text_styles.insert(TextStyle::Body, self.ui_font.clone());
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style.text_styles.insert(TextStyle::Button, self.ui_font.clone());
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style.text_styles.insert(TextStyle::Heading, FontId {
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size: (self.ui_font.size * 1.5).floor(),
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family: self.ui_font.family.clone(),
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});
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style.text_styles.insert(TextStyle::Monospace, self.code_font.clone());
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match self.theme {
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eframe::Theme::Dark => {
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style.visuals = egui::Visuals::dark();
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self.text_color = Color32::GRAY;
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self.emphasized_text_color = Color32::LIGHT_GRAY;
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self.deemphasized_text_color = Color32::DARK_GRAY;
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self.highlight_color = Color32::WHITE;
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self.replace_color = Color32::LIGHT_BLUE;
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self.insert_color = Color32::GREEN;
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self.delete_color = Color32::from_rgb(200, 40, 41);
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}
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eframe::Theme::Light => {
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style.visuals = egui::Visuals::light();
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self.text_color = Color32::GRAY;
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self.emphasized_text_color = Color32::DARK_GRAY;
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self.deemphasized_text_color = Color32::LIGHT_GRAY;
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self.highlight_color = Color32::BLACK;
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self.replace_color = Color32::DARK_BLUE;
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self.insert_color = Color32::DARK_GREEN;
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self.delete_color = Color32::from_rgb(200, 40, 41);
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}
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}
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ctx.set_style(style);
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}
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pub fn post_update(&mut self, ctx: &egui::Context) {
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// Load fonts for next frame
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if let Some(next_ui_font) = self.next_ui_font.take() {
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match load_font_if_needed(
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ctx,
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&self.fonts.source,
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&next_ui_font,
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DEFAULT_UI_FONT.family,
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&mut self.fonts.definitions,
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) {
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Ok(()) => self.ui_font = next_ui_font,
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Err(e) => {
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log::error!("Failed to load font: {}", e)
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}
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}
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}
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if let Some(next_code_font) = self.next_code_font.take() {
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match load_font_if_needed(
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ctx,
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&self.fonts.source,
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&next_code_font,
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DEFAULT_CODE_FONT.family,
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&mut self.fonts.definitions,
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) {
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Ok(()) => self.code_font = next_code_font,
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Err(e) => {
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log::error!("Failed to load font: {}", e)
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}
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}
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}
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}
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pub fn init_fonts(&mut self, ctx: &egui::Context) {
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self.fonts.family_names = self.fonts.source.all_families().unwrap_or_default();
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match load_font_if_needed(
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ctx,
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&self.fonts.source,
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&self.ui_font,
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DEFAULT_UI_FONT.family,
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&mut self.fonts.definitions,
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) {
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Ok(_) => {}
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Err(e) => {
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log::error!("Failed to load font: {}", e);
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// Revert to default
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self.ui_font = DEFAULT_UI_FONT;
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}
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}
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match load_font_if_needed(
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ctx,
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&self.fonts.source,
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&self.code_font,
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DEFAULT_CODE_FONT.family,
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&mut self.fonts.definitions,
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) {
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Ok(_) => {}
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Err(e) => {
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log::error!("Failed to load font: {}", e);
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// Revert to default
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self.code_font = DEFAULT_CODE_FONT;
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}
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}
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}
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}
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pub const DEFAULT_COLOR_ROTATION: [Color32; 9] = [
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Color32::from_rgb(255, 0, 255),
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Color32::from_rgb(0, 255, 255),
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Color32::from_rgb(0, 128, 0),
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Color32::from_rgb(255, 0, 0),
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Color32::from_rgb(255, 255, 0),
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Color32::from_rgb(255, 192, 203),
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Color32::from_rgb(0, 0, 255),
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Color32::from_rgb(0, 255, 0),
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Color32::from_rgb(213, 138, 138),
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];
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fn font_id_ui(
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ui: &mut egui::Ui,
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label: &str,
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mut font_id: FontId,
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default: FontId,
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appearance: &Appearance,
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) -> Option<FontId> {
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ui.push_id(label, |ui| {
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let font_size = font_id.size;
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let label_job = LayoutJob::simple(
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font_id.family.to_string(),
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font_id.clone(),
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appearance.text_color,
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0.0,
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);
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let mut changed = ui
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.horizontal(|ui| {
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ui.label(label);
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let mut changed = egui::Slider::new(&mut font_id.size, 4.0..=40.0)
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.max_decimals(1)
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.ui(ui)
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.changed();
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if ui.button("Reset").clicked() {
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font_id = default;
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changed = true;
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}
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changed
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})
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.inner;
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let family = &mut font_id.family;
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changed |= egui::ComboBox::from_label("Font family")
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.selected_text(label_job)
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.width(font_size * 20.0)
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.show_ui(ui, |ui| {
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let mut result = false;
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result |= ui
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.selectable_value(family, FontFamily::Proportional, "Proportional (built-in)")
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.changed();
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result |= ui
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.selectable_value(family, FontFamily::Monospace, "Monospace (built-in)")
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.changed();
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for family_name in &appearance.fonts.family_names {
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result |= ui
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.selectable_value(
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family,
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FontFamily::Name(Arc::from(family_name.as_str())),
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family_name,
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)
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.changed();
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}
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result
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})
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.inner
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.unwrap_or(false);
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changed.then_some(font_id)
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})
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.inner
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}
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pub fn appearance_window(ctx: &egui::Context, show: &mut bool, appearance: &mut Appearance) {
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egui::Window::new("Appearance").open(show).show(ctx, |ui| {
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egui::ComboBox::from_label("Theme")
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.selected_text(format!("{:?}", appearance.theme))
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.show_ui(ui, |ui| {
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ui.selectable_value(&mut appearance.theme, eframe::Theme::Dark, "Dark");
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ui.selectable_value(&mut appearance.theme, eframe::Theme::Light, "Light");
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});
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ui.separator();
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appearance.next_ui_font =
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font_id_ui(ui, "UI font:", appearance.ui_font.clone(), DEFAULT_UI_FONT, appearance);
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ui.separator();
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appearance.next_code_font = font_id_ui(
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ui,
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"Code font:",
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appearance.code_font.clone(),
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DEFAULT_CODE_FONT,
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appearance,
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);
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ui.separator();
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ui.label("Diff colors:");
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if ui.button("Reset").clicked() {
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appearance.diff_colors = DEFAULT_COLOR_ROTATION.to_vec();
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}
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let mut remove_at: Option<usize> = None;
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let num_colors = appearance.diff_colors.len();
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for (idx, color) in appearance.diff_colors.iter_mut().enumerate() {
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ui.horizontal(|ui| {
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ui.color_edit_button_srgba(color);
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if num_colors > 1 && ui.small_button("-").clicked() {
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remove_at = Some(idx);
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}
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});
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}
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if let Some(idx) = remove_at {
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appearance.diff_colors.remove(idx);
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}
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if ui.small_button("+").clicked() {
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appearance.diff_colors.push(Color32::BLACK);
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}
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});
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}
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