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Adds UI font scaling to make the app more accessible #29

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Merged
SomethingNew71 merged 1 commit into from
Dec 31, 2025
Merged

Adds UI font scaling to make the app more accessible #29

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11 changes: 10 additions & 1 deletion src/app.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ use crate::analytics;
use crate::computed::{ComputedChannel, ComputedChannelLibrary, FormulaEditorState};
use crate::parsers::{Aim, EcuMaster, EcuType, Haltech, Link, Parseable, RomRaider, Speeduino};
use crate::state::{
ActiveTool, CacheKey, LoadResult, LoadedFile, LoadingState, ScatterPlotConfig,
ActiveTool, CacheKey, FontScale, LoadResult, LoadedFile, LoadingState, ScatterPlotConfig,
ScatterPlotState, SelectedChannel, Tab, ToastType, CHART_COLORS, COLORBLIND_COLORS,
MAX_CHANNELS,
};
Expand Down Expand Up @@ -74,6 +74,8 @@ pub struct UltraLogApp {
// === Unit Preferences ===
/// User preferences for display units
pub(crate) unit_preferences: UnitPreferences,
/// User preference for UI font size scaling
pub(crate) font_scale: FontScale,
// === Custom Field Normalization ===
/// Custom user-defined field name mappings (source name -> normalized name)
pub(crate) custom_normalizations: HashMap<String, String>,
Expand Down Expand Up @@ -151,6 +153,7 @@ impl Default for UltraLogApp {
field_normalization: true, // Enabled by default for better readability
initial_view_seconds: 60.0, // Start with 60 second view
unit_preferences: UnitPreferences::default(),
font_scale: FontScale::default(),
custom_normalizations: HashMap::new(),
show_normalization_editor: false,
norm_editor_extend_source: String::new(),
Expand Down Expand Up @@ -230,6 +233,12 @@ impl UltraLogApp {
palette[color_index % palette.len()]
}

/// Get a scaled font size based on user's font scale preference
#[inline]
pub fn scaled_font(&self, base_size: f32) -> f32 {
(base_size * self.font_scale.multiplier()).round()
}

// ========================================================================
// File Loading
// ========================================================================
Expand Down
26 changes: 26 additions & 0 deletions src/state.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -195,6 +195,32 @@ impl ActiveTool {
}
}

/// Font scale preference for UI elements
#[derive(Clone, Copy, PartialEq, Eq, Default, Debug)]
pub enum FontScale {
/// Smaller fonts (0.85x)
Small,
/// Default size (1.0x)
#[default]
Medium,
/// Larger fonts (1.2x)
Large,
/// Extra large fonts (1.4x)
ExtraLarge,
}

impl FontScale {
/// Get the multiplier for this font scale
pub fn multiplier(&self) -> f32 {
match self {
FontScale::Small => 0.85,
FontScale::Medium => 1.0,
FontScale::Large => 1.2,
FontScale::ExtraLarge => 1.4,
}
}
}

/// A selected point on a heatmap
#[derive(Clone, Default)]
pub struct SelectedHeatmapPoint {
Expand Down
59 changes: 42 additions & 17 deletions src/ui/channels.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,12 @@ use crate::state::MAX_CHANNELS;
impl UltraLogApp {
/// Render channel selection panel - fills available space
pub fn render_channel_selection(&mut self, ui: &mut egui::Ui) {
ui.heading("Channels");
// Pre-compute scaled font sizes
let font_14 = self.scaled_font(14.0);
let font_16 = self.scaled_font(16.0);
let font_18 = self.scaled_font(18.0);

ui.label(egui::RichText::new("Channels").heading().size(font_18));
ui.separator();

// Get active tab info
Expand All @@ -31,7 +36,7 @@ impl UltraLogApp {

// Computed Channels button
if ui
.button("+ Computed Channels")
.button(egui::RichText::new("+ Computed Channels").size(font_14))
.on_hover_text("Create virtual channels from mathematical formulas")
.clicked()
{
Expand All @@ -44,7 +49,7 @@ impl UltraLogApp {
let mut search_text = current_search;
let mut search_changed = false;
ui.horizontal(|ui| {
ui.label("Search:");
ui.label(egui::RichText::new("Search:").size(font_14));
let response = ui
.add(egui::TextEdit::singleline(&mut search_text).desired_width(f32::INFINITY));
search_changed = response.changed();
Expand All @@ -58,10 +63,13 @@ impl UltraLogApp {
ui.add_space(5.0);

// Channel count
ui.label(format!(
"Selected: {} / {} | Total: {}",
selected_count, MAX_CHANNELS, channel_count
));
ui.label(
egui::RichText::new(format!(
"Selected: {} / {} | Total: {}",
selected_count, MAX_CHANNELS, channel_count
))
.size(font_14),
);

ui.separator();

Expand Down Expand Up @@ -173,7 +181,8 @@ impl UltraLogApp {
"📊 Channels with Data ({})",
channels_with.len()
))
.strong(),
.strong()
.size(font_16),
)
.default_open(true)
.show(ui, |ui| {
Expand Down Expand Up @@ -203,7 +212,8 @@ impl UltraLogApp {
"📭 Empty Channels ({})",
channels_without.len()
))
.color(egui::Color32::GRAY),
.color(egui::Color32::GRAY)
.size(font_16),
)
.default_open(false) // Collapsed by default
.show(ui, |ui| {
Expand Down Expand Up @@ -234,15 +244,26 @@ impl UltraLogApp {
ui.label(
egui::RichText::new("Select a file to view channels")
.italics()
.color(egui::Color32::GRAY),
.color(egui::Color32::GRAY)
.size(font_16),
);
});
}
}

/// Render selected channel cards
pub fn render_selected_channels(&mut self, ui: &mut egui::Ui) {
ui.heading("Selected Channels");
// Pre-compute scaled font sizes
let font_12 = self.scaled_font(12.0);
let font_14 = self.scaled_font(14.0);
let font_16 = self.scaled_font(16.0);
let font_18 = self.scaled_font(18.0);

ui.label(
egui::RichText::new("Selected Channels")
.heading()
.size(font_18),
);
ui.separator();

let use_normalization = self.field_normalization;
Expand Down Expand Up @@ -391,7 +412,8 @@ impl UltraLogApp {
ui.label(
egui::RichText::new(&card.display_name)
.strong()
.color(card.color),
.color(card.color)
.size(font_14),
);
let close_btn = ui.small_button("x");
if close_btn.clicked() {
Expand All @@ -408,11 +430,12 @@ impl UltraLogApp {
ui.label(
egui::RichText::new("Min:")
.color(egui::Color32::GRAY)
.small(),
.size(font_12),
);
ui.label(
egui::RichText::new(min_str)
.color(egui::Color32::LIGHT_GRAY),
.color(egui::Color32::LIGHT_GRAY)
.size(font_14),
);
if let (Some(record), Some(time)) =
(card.min_record, card.min_time)
Expand All @@ -438,11 +461,12 @@ impl UltraLogApp {
ui.label(
egui::RichText::new("Max:")
.color(egui::Color32::GRAY)
.small(),
.size(font_12),
);
ui.label(
egui::RichText::new(max_str)
.color(egui::Color32::LIGHT_GRAY),
.color(egui::Color32::LIGHT_GRAY)
.size(font_14),
);
if let (Some(record), Some(time)) =
(card.max_record, card.max_time)
Expand Down Expand Up @@ -488,7 +512,8 @@ impl UltraLogApp {
ui.label(
egui::RichText::new("Click channels to add them to the chart")
.italics()
.color(egui::Color32::GRAY),
.color(egui::Color32::GRAY)
.size(font_16),
);
}
}
Expand Down
2 changes: 1 addition & 1 deletion src/ui/chart.rs
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ impl UltraLogApp {
ui.centered_and_justified(|ui| {
ui.label(
egui::RichText::new("Select channels to display chart")
.size(20.0)
.size(self.scaled_font(20.0))
.color(egui::Color32::GRAY),
);
});
Expand Down
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