Persist Light Mode/Dark Mode settings, added to DB

src/db/schema9.sql

@@ -0,0 +1 @@
+INSERT INTO settings (key, value) values ('light_mode', '1');

src/settings.rs

@@ -13,6 +13,7 @@ pub const DEFAULT_MAX_FPS: u32 = 30;
 pub const DEFAULT_FEED_RECOMPUTE_INTERVAL_MS: u32 = 2000;
 pub const DEFAULT_POW: u8 = 0;
 pub const DEFAULT_OFFLINE: bool = false;
+pub const DEFAULT_LIGHT_MODE: bool = true; // true = light false = dark
 
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct Settings {
@@ -28,6 +29,7 @@ pub struct Settings {
     pub feed_recompute_interval_ms: u32,
     pub pow: u8,
     pub offline: bool,
+    pub light_mode: bool,
 }
 
 impl Default for Settings {
@@ -45,6 +47,7 @@ impl Default for Settings {
             feed_recompute_interval_ms: DEFAULT_FEED_RECOMPUTE_INTERVAL_MS,
             pow: DEFAULT_POW,
             offline: DEFAULT_OFFLINE,
+            light_mode: DEFAULT_LIGHT_MODE,
         }
     }
 }
@@ -101,6 +104,7 @@ impl Settings {
                 }
                 "pow" => settings.pow = row.1.parse::<u8>().unwrap_or(DEFAULT_POW),
                 "offline" => settings.offline = numstr_to_bool(row.1),
+                "light_mode" => settings.light_mode = numstr_to_bool(row.1),
                 _ => {}
             }
         }
@@ -131,6 +135,7 @@ impl Settings {
              ('max_fps', ?),\
              ('feed_recompute_interval_ms', ?),\
              ('pow', ?),\
+             ('light_mode', ?),\
              ('offline', ?)",
         )?;
         stmt.execute((
@@ -143,6 +148,7 @@ impl Settings {
             self.max_fps,
             self.feed_recompute_interval_ms,
             self.pow,
+            bool_to_numstr(self.light_mode),
             bool_to_numstr(self.offline),
         ))?;
 

src/ui/mod.rs

@@ -99,7 +99,10 @@ impl Drop for GossipUi {
 
 impl GossipUi {
     fn new(cctx: &eframe::CreationContext<'_>) -> Self {
-        if cctx.egui_ctx.style().visuals.dark_mode {
+        // grab settings to determine whether to render dark_mode or light_mode
+        let settings = GLOBALS.settings.blocking_read().clone();
+
+        if ! settings.light_mode {
             cctx.egui_ctx.set_visuals(style::dark_mode_visuals());
         } else {
             cctx.egui_ctx.set_visuals(style::light_mode_visuals());
@@ -137,8 +140,6 @@ impl GossipUi {
             )
         };
 
-        let settings = GLOBALS.settings.blocking_read().clone();
-
         GossipUi {
             next_frame: Instant::now(),
             page: Page::FeedGeneral,
@@ -181,8 +182,6 @@ impl eframe::App for GossipUi {
             frame.close();
         }
 
-        let darkmode: bool = ctx.style().visuals.dark_mode;
-
         egui::TopBottomPanel::top("menu").show(ctx, |ui| {
             ui.horizontal(|ui| {
                 if ui
@@ -273,7 +272,7 @@ impl eframe::App for GossipUi {
             }
             Page::You => you::update(self, ctx, frame, ui),
             Page::Relays => relays::update(self, ctx, frame, ui),
-            Page::Settings => settings::update(self, ctx, frame, ui, darkmode),
+            Page::Settings => settings::update(self, ctx, frame, ui),
             Page::HelpHelp | Page::HelpStats | Page::HelpAbout => {
                 help::update(self, ctx, frame, ui)
             }

src/ui/settings.rs

@@ -10,7 +10,6 @@ pub(super) fn update(
     _ctx: &Context,
     _frame: &mut eframe::Frame,
     ui: &mut Ui,
-    darkmode: bool,
 ) {
     ui.heading("Settings");
 
@@ -111,15 +110,15 @@ pub(super) fn update(
 
     ui.horizontal(|ui| {
         ui.label("Switch to");
-
         #[allow(clippy::collapsible_else_if)]
-        if darkmode {
+        if ! app.settings.light_mode {
             if ui
                 .add(Button::new("☀ Light"))
                 .on_hover_text("Switch to light mode")
                 .clicked()
             {
                 ui.ctx().set_visuals(super::style::light_mode_visuals());
+                app.settings.light_mode = true;
             }
         } else {
             if ui
@@ -128,6 +127,7 @@ pub(super) fn update(
                 .clicked()
             {
                 ui.ctx().set_visuals(super::style::dark_mode_visuals());
+                app.settings.light_mode = false;
             }
         }
     });