mobile: black panel bg color

for battery life

Signed-off-by: William Casarin <jb55@jb55.com>

src/app.rs

@@ -1,5 +1,4 @@
 use crate::app_creation::setup_cc;
-use crate::colors;
 use crate::app_style::user_requested_visuals_change;
 use crate::error::Error;
 use crate::frame_history::FrameHistory;
@@ -618,7 +617,7 @@ fn render_panel<'a>(ctx: &egui::Context, app: &'a mut Damus, timeline_ind: usize
             ui.visuals_mut().button_frame = false;
 
             if let Some(new_visuals) =
-                user_requested_visuals_change(ctx.style().visuals.dark_mode, ui)
+                user_requested_visuals_change(is_mobile(ctx), ctx.style().visuals.dark_mode, ui)
             {
                 ctx.set_visuals(new_visuals)
             }

src/app_creation.rs

@@ -18,11 +18,11 @@ pub fn generate_native_options() -> NativeOptions {
     })
 }
 
-fn generate_native_options_with_builder_modifiers(apply_builder_modifiers: fn(egui::ViewportBuilder) -> egui::ViewportBuilder) -> NativeOptions {
+fn generate_native_options_with_builder_modifiers(
+    apply_builder_modifiers: fn(egui::ViewportBuilder) -> egui::ViewportBuilder,
+) -> NativeOptions {
     let window_builder =
-        Box::new(
-            move |builder: egui::ViewportBuilder| apply_builder_modifiers(builder)
-        );
+        Box::new(move |builder: egui::ViewportBuilder| apply_builder_modifiers(builder));
 
     eframe::NativeOptions {
         window_builder: Some(window_builder),
@@ -48,7 +48,7 @@ pub fn setup_cc(cc: &eframe::CreationContext<'_>) {
 
     egui_extras::install_image_loaders(ctx);
 
-    ctx.set_visuals(dark_mode());
+    ctx.set_visuals(dark_mode(is_mobile(ctx)));
 
     ctx.set_style(if is_mobile(ctx) {
         create_text_styles(ctx, mobile_font_size)

src/app_style.rs

@@ -1,4 +1,4 @@
-use crate::colors::{dark_color_theme, light_color_theme, ColorTheme, DarkTheme, LightTheme};
+use crate::colors::{dark_color_theme, light_color_theme, ColorTheme};
 use egui::{
     epaint::Shadow,
     style::{WidgetVisuals, Widgets},
@@ -13,11 +13,15 @@ pub fn light_mode() -> Visuals {
     create_themed_visuals(light_color_theme(), Visuals::light())
 }
 
-pub fn dark_mode() -> Visuals {
-    create_themed_visuals(dark_color_theme(), Visuals::dark())
+pub fn dark_mode(mobile: bool) -> Visuals {
+    create_themed_visuals(dark_color_theme(mobile), Visuals::dark())
 }
 
-pub fn user_requested_visuals_change(cur_darkmode: bool, ui: &mut Ui) -> Option<Visuals> {
+pub fn user_requested_visuals_change(
+    mobile: bool,
+    cur_darkmode: bool,
+    ui: &mut Ui,
+) -> Option<Visuals> {
     if cur_darkmode {
         if ui
             .add(Button::new("☀").frame(false))
@@ -31,7 +35,7 @@ pub fn user_requested_visuals_change(cur_darkmode: bool, ui: &mut Ui) -> Option<
         .on_hover_text("Switch to dark mode")
         .clicked()
     {
-        return Some(dark_mode());
+        return Some(dark_mode(mobile));
     }
     None
 }
@@ -40,9 +44,14 @@ pub fn user_requested_visuals_change(cur_darkmode: bool, ui: &mut Ui) -> Option<
 pub fn create_text_styles(ctx: &Context, font_size: fn(NotedeckTextStyle) -> f32) -> Style {
     let mut style = (*ctx.style()).clone();
 
-    style.text_styles = NotedeckTextStyle::iter().map(|text_style| {
-        (text_style.text_style(), FontId::new(font_size(text_style), egui::FontFamily::Proportional))
-    }).collect();
+    style.text_styles = NotedeckTextStyle::iter()
+        .map(|text_style| {
+            (
+                text_style.text_style(),
+                FontId::new(font_size(text_style), egui::FontFamily::Proportional),
+            )
+        })
+        .collect();
 
     style
 }

src/colors.rs

@@ -3,7 +3,6 @@ use egui::Color32;
 pub const PURPLE: Color32 = Color32::from_rgb(0xCC, 0x43, 0xC5);
 //pub const DARK_BG: Color32 = egui::Color32::from_rgb(40, 44, 52);
 const GRAY_SECONDARY: Color32 = Color32::from_rgb(0x8A, 0x8A, 0x8A);
-const WHITE: Color32 = Color32::from_rgb(0xFF, 0xFF, 0xFF);
 const BLACK: Color32 = Color32::from_rgb(0x00, 0x00, 0x00);
 const RED_700: Color32 = Color32::from_rgb(0xC7, 0x37, 0x5A);
 
@@ -43,15 +42,12 @@ pub struct ColorTheme {
     pub inactive_weak_bg_fill: Color32,
 }
 
-pub struct DarkTheme;
-pub struct LightTheme;
-
-pub fn dark_color_theme() -> ColorTheme {
+pub fn dark_color_theme(mobile: bool) -> ColorTheme {
     ColorTheme {
         // VISUALS
-        panel_fill: DARKER_BG,
+        panel_fill: if mobile { Color32::BLACK } else { DARKER_BG },
         extreme_bg_color: SEMI_DARKER_BG,
-        text_color: WHITE,
+        text_color: Color32::WHITE,
         err_fg_color: RED_700,
         hyperlink_color: PURPLE,
 
@@ -75,7 +71,7 @@ pub fn dark_color_theme() -> ColorTheme {
 pub fn light_color_theme() -> ColorTheme {
     ColorTheme {
         // VISUALS
-        panel_fill: LIGHT_GRAY,
+        panel_fill: Color32::WHITE,
         extreme_bg_color: EVEN_DARKER_GRAY,
         text_color: BLACK,
         err_fg_color: RED_700,