use crate::SettingsUI;
use crate::section::{INPUT_WIDTH, SLIDER_WIDTH, collapsing_section, section_matches};
use par_term_config::Theme;
use par_term_config::ThinStrokesMode;
use std::collections::HashSet;
pub(super) fn show_theme_section(
ui: &mut egui::Ui,
settings: &mut SettingsUI,
changes_this_frame: &mut bool,
collapsed: &mut HashSet<String>,
) {
if section_matches(
&settings.search_query.trim().to_lowercase(),
"Theme",
&["color", "scheme", "dark", "light", "color scheme", "preset"],
) {
collapsing_section(ui, "Theme", "appearance_theme", true, collapsed, |ui| {
let available = Theme::available_themes();
let mut selected = settings.config.theme.clone();
ui.horizontal(|ui| {
ui.label("Theme:");
egui::ComboBox::from_id_salt("appearance_theme_select")
.width(INPUT_WIDTH)
.selected_text(selected.clone())
.show_ui(ui, |ui| {
for theme in &available {
ui.selectable_value(&mut selected, theme.to_string(), *theme);
}
});
});
if selected != settings.config.theme {
settings.config.theme = selected;
settings.has_changes = true;
*changes_this_frame = true;
}
});
}
}
pub(super) fn show_auto_dark_mode_section(
ui: &mut egui::Ui,
settings: &mut SettingsUI,
changes_this_frame: &mut bool,
collapsed: &mut HashSet<String>,
) {
if section_matches(
&settings.search_query.trim().to_lowercase(),
"Auto Dark Mode",
&[
"auto",
"dark mode",
"light mode",
"system",
"appearance",
"automatic",
"system theme",
],
) {
collapsing_section(
ui,
"Auto Dark Mode",
"appearance_auto_dark_mode",
false,
collapsed,
|ui| {
if ui
.checkbox(
&mut settings.config.auto_dark_mode,
"Auto-switch theme with system appearance",
)
.on_hover_text(
"Automatically switch between light and dark themes when the OS appearance changes",
)
.changed()
{
settings.has_changes = true;
*changes_this_frame = true;
}
ui.add_enabled_ui(settings.config.auto_dark_mode, |ui| {
let available = Theme::available_themes();
ui.horizontal(|ui| {
ui.label("Light theme:");
let mut selected = settings.config.light_theme.clone();
egui::ComboBox::from_id_salt("appearance_light_theme_select")
.width(INPUT_WIDTH)
.selected_text(selected.clone())
.show_ui(ui, |ui| {
for theme in &available {
ui.selectable_value(&mut selected, theme.to_string(), *theme);
}
});
if selected != settings.config.light_theme {
settings.config.light_theme = selected;
settings.has_changes = true;
*changes_this_frame = true;
}
});
ui.horizontal(|ui| {
ui.label("Dark theme:");
let mut selected = settings.config.dark_theme.clone();
egui::ComboBox::from_id_salt("appearance_dark_theme_select")
.width(INPUT_WIDTH)
.selected_text(selected.clone())
.show_ui(ui, |ui| {
for theme in &available {
ui.selectable_value(&mut selected, theme.to_string(), *theme);
}
});
if selected != settings.config.dark_theme {
settings.config.dark_theme = selected;
settings.has_changes = true;
*changes_this_frame = true;
}
});
});
},
);
}
}
pub(super) fn show_fonts_section(
ui: &mut egui::Ui,
settings: &mut SettingsUI,
changes_this_frame: &mut bool,
collapsed: &mut HashSet<String>,
) {
if section_matches(
&settings.search_query.trim().to_lowercase(),
"Fonts",
&[
"font",
"family",
"size",
"bold",
"italic",
"line spacing",
"char spacing",
],
) {
collapsing_section(ui, "Fonts", "appearance_fonts", true, collapsed, |ui| {
ui.horizontal(|ui| {
ui.label("Family (regular):");
if ui
.add(
egui::TextEdit::singleline(&mut settings.temp_font_family)
.desired_width(INPUT_WIDTH),
)
.changed()
{
settings.font_pending_changes = true;
}
});
ui.horizontal(|ui| {
ui.label("Size:");
if ui
.add_sized(
[SLIDER_WIDTH, 18.0],
egui::Slider::new(&mut settings.temp_font_size, 6.0..=48.0),
)
.changed()
{
settings.font_pending_changes = true;
}
});
ui.horizontal(|ui| {
ui.label("Line spacing:");
if ui
.add_sized(
[SLIDER_WIDTH, 18.0],
egui::Slider::new(&mut settings.temp_line_spacing, 0.8..=2.0),
)
.changed()
{
settings.font_pending_changes = true;
}
});
ui.horizontal(|ui| {
ui.label("Char spacing:");
if ui
.add_sized(
[SLIDER_WIDTH, 18.0],
egui::Slider::new(&mut settings.temp_char_spacing, 0.5..=1.0),
)
.changed()
{
settings.font_pending_changes = true;
}
});
ui.horizontal(|ui| {
if ui.button("Apply font changes").clicked() {
settings.apply_font_changes();
settings.has_changes = true;
*changes_this_frame = true;
}
if settings.font_pending_changes {
ui.colored_label(egui::Color32::YELLOW, "(pending)");
}
});
});
}
}
pub(super) fn show_font_variants_section(
ui: &mut egui::Ui,
settings: &mut SettingsUI,
_changes_this_frame: &mut bool,
collapsed: &mut HashSet<String>,
) {
if section_matches(
&settings.search_query.trim().to_lowercase(),
"Font Variants",
&["bold", "italic", "bold-italic", "font fallback", "variant"],
) {
collapsing_section(
ui,
"Font Variants",
"appearance_font_variants",
false,
collapsed,
|ui| {
ui.horizontal(|ui| {
ui.label("Bold font (optional):");
if ui
.add(
egui::TextEdit::singleline(&mut settings.temp_font_bold)
.desired_width(INPUT_WIDTH),
)
.changed()
{
settings.font_pending_changes = true;
}
});
ui.horizontal(|ui| {
ui.label("Italic font (optional):");
if ui
.add(
egui::TextEdit::singleline(&mut settings.temp_font_italic)
.desired_width(INPUT_WIDTH),
)
.changed()
{
settings.font_pending_changes = true;
}
});
ui.horizontal(|ui| {
ui.label("Bold-Italic font (optional):");
if ui
.add(
egui::TextEdit::singleline(&mut settings.temp_font_bold_italic)
.desired_width(INPUT_WIDTH),
)
.changed()
{
settings.font_pending_changes = true;
}
});
},
);
}
}
pub(super) fn show_text_shaping_section(
ui: &mut egui::Ui,
settings: &mut SettingsUI,
_changes_this_frame: &mut bool,
collapsed: &mut HashSet<String>,
) {
if section_matches(
&settings.search_query.trim().to_lowercase(),
"Text Shaping",
&[
"shaping",
"ligatures",
"kerning",
"harfbuzz",
"complex scripts",
"opentype",
],
) {
collapsing_section(
ui,
"Text Shaping",
"appearance_text_shaping",
false,
collapsed,
|ui| {
if ui
.checkbox(
&mut settings.temp_enable_text_shaping,
"Enable text shaping",
)
.changed()
{
settings.font_pending_changes = true;
}
if ui
.checkbox(&mut settings.temp_enable_ligatures, "Enable ligatures")
.changed()
{
settings.font_pending_changes = true;
}
if ui
.checkbox(&mut settings.temp_enable_kerning, "Enable kerning")
.changed()
{
settings.font_pending_changes = true;
}
},
);
}
}
pub(super) fn show_font_rendering_section(
ui: &mut egui::Ui,
settings: &mut SettingsUI,
changes_this_frame: &mut bool,
collapsed: &mut HashSet<String>,
) {
if section_matches(
&settings.search_query.trim().to_lowercase(),
"Font Rendering",
&[
"antialias",
"hinting",
"thin strokes",
"smoothing",
"minimum contrast",
"readability",
"brightness",
"hidpi",
"retina",
],
) {
collapsing_section(
ui,
"Font Rendering",
"appearance_font_rendering",
false,
collapsed,
|ui| {
if ui
.checkbox(&mut settings.config.font_antialias, "Anti-aliasing")
.on_hover_text("Enable smooth font edges. Disable for crisp, pixelated text.")
.changed()
{
settings.has_changes = true;
*changes_this_frame = true;
}
if ui
.checkbox(&mut settings.config.font_hinting, "Hinting")
.on_hover_text(
"Align glyphs to pixel boundaries for sharper text at small sizes.",
)
.changed()
{
settings.has_changes = true;
*changes_this_frame = true;
}
ui.horizontal(|ui| {
ui.label("Thin strokes:");
let current_mode = settings.config.font_thin_strokes;
let mode_label = match current_mode {
ThinStrokesMode::Never => "Never",
ThinStrokesMode::RetinaOnly => "Retina Only",
ThinStrokesMode::DarkBackgroundsOnly => "Dark Backgrounds Only",
ThinStrokesMode::RetinaDarkBackgroundsOnly => "Retina + Dark BG",
ThinStrokesMode::Always => "Always",
};
egui::ComboBox::from_id_salt("appearance_thin_strokes_mode")
.selected_text(mode_label)
.show_ui(ui, |ui| {
for (mode, label) in [
(ThinStrokesMode::Never, "Never"),
(ThinStrokesMode::RetinaOnly, "Retina Only"),
(
ThinStrokesMode::DarkBackgroundsOnly,
"Dark Backgrounds Only",
),
(
ThinStrokesMode::RetinaDarkBackgroundsOnly,
"Retina + Dark BG",
),
(ThinStrokesMode::Always, "Always"),
] {
if ui.selectable_label(current_mode == mode, label).clicked() {
settings.config.font_thin_strokes = mode;
settings.has_changes = true;
*changes_this_frame = true;
}
}
});
});
ui.label(" Lighter font strokes for improved readability on HiDPI displays.")
.on_hover_text(
"Similar to macOS font smoothing. Works best on Retina/HiDPI \
displays with dark backgrounds.",
);
ui.add_space(8.0);
ui.horizontal(|ui| {
ui.label("Minimum contrast:");
let mut contrast = settings.config.minimum_contrast;
let slider = egui::Slider::new(&mut contrast, 0.0..=0.99)
.text("")
.clamping(egui::SliderClamping::Always);
if ui.add(slider).changed() {
settings.config.minimum_contrast = contrast;
settings.has_changes = true;
*changes_this_frame = true;
}
});
let contrast_label = if settings.config.minimum_contrast <= 0.0 {
"Disabled"
} else if settings.config.minimum_contrast < 0.5 {
"Low"
} else if settings.config.minimum_contrast < 0.97 {
"High"
} else {
"Maximum (near B&W)"
};
ui.label(format!(
" {contrast_label} - Boosts text contrast when color is close to background."
))
.on_hover_text(
"Set to 0 to disable. Higher values push text color further from background.",
);
},
);
}
}