remember checked settings in memory

dash-frontend/src/frontend.rs

@@ -25,7 +25,7 @@ pub struct Frontend {
 	pub layout: RcLayout,
 	globals: WguiGlobals,
 
-	settings: settings::Settings,
+	pub settings: settings::Settings,
 
 	#[allow(dead_code)]
 	state: ParserState,
@@ -99,19 +99,15 @@ impl Frontend {
 	fn tick(&mut self, width: f32, height: f32, timestep_alpha: f32) -> anyhow::Result<()> {
 		let mut layout = self.layout.borrow_mut();
 
-		let mut alterables = EventAlterables::default();
-		let mut common = CallbackDataCommon {
-			alterables: &mut alterables,
-			state: &layout.state,
-		};
+		let mut c = layout.start_common();
 
 		// fixme: timer events instead of this thing
 		if self.ticks.is_multiple_of(1000) {
-			self.update_time(&mut common);
+			self.update_time(&mut c.common());
 		}
 
+		c.finish()?;
 		layout.update(Vec2::new(width, height), timestep_alpha)?;
-		layout.process_alterables(alterables)?;
 
 		Ok(())
 	}
@@ -154,6 +150,7 @@ impl Frontend {
 			layout: &mut layout,
 			parent_id: widget_content.id,
 			frontend: rc_this,
+			settings: &mut self.settings,
 		};
 
 		let tab: Box<dyn Tab> = match tab_type {

dash-frontend/src/settings.rs

@@ -11,16 +11,9 @@ pub struct General {
 	pub opaque_background: bool,
 }
 
-#[derive(Default, Serialize, Deserialize)]
-pub enum ApplicationRunMode {
-	#[default]
-	Native, /* use Smithay compositor */
-	XWaylandCage,
-}
-
 #[derive(Default, Serialize, Deserialize)]
 pub struct Tweaks {
-	pub default_run_mode: ApplicationRunMode,
+	pub xwayland_by_default: bool,
 }
 
 #[derive(Default, Serialize, Deserialize)]

dash-frontend/src/tab/mod.rs

@@ -2,6 +2,7 @@ use std::rc::Rc;
 
 use wgui::{
 	components::button::ComponentButton,
+	event::CallbackDataCommon,
 	globals::WguiGlobals,
 	layout::{Layout, WidgetID},
 };
@@ -30,6 +31,7 @@ pub struct TabParams<'a> {
 	pub layout: &'a mut Layout,
 	pub parent_id: WidgetID,
 	pub frontend: &'a RcFrontend,
+	pub settings: &'a mut crate::settings::Settings,
 }
 
 pub trait Tab {

dash-frontend/src/tab/settings.rs

@@ -1,9 +1,17 @@
+use std::rc::Rc;
+
 use wgui::{
 	assets::AssetPath,
-	parser::{ParseDocumentParams, ParserState},
+	components::checkbox::ComponentCheckbox,
+	event::CallbackDataCommon,
+	parser::{Fetchable, ParseDocumentParams, ParserState},
 };
 
-use crate::tab::{Tab, TabParams, TabType};
+use crate::{
+	frontend::{Frontend, RcFrontend},
+	settings,
+	tab::{Tab, TabParams, TabType},
+};
 
 pub struct TabSettings {
 	#[allow(dead_code)]
@@ -16,8 +24,27 @@ impl Tab for TabSettings {
 	}
 }
 
+fn init_setting_checkbox(
+	params: &mut TabParams,
+	checkbox: Rc<ComponentCheckbox>,
+	fetch_callback: fn(&mut settings::Settings) -> &mut bool,
+) -> anyhow::Result<()> {
+	let mut c = params.layout.start_common();
+
+	checkbox.set_checked(&mut c.common(), *fetch_callback(params.settings));
+	let rc_frontend = params.frontend.clone();
+	checkbox.on_toggle(Box::new(move |_common, e| {
+		let mut frontend = rc_frontend.borrow_mut();
+		*fetch_callback(&mut frontend.settings) = e.checked;
+		Ok(())
+	}));
+
+	c.finish()?;
+	Ok(())
+}
+
 impl TabSettings {
-	pub fn new(params: TabParams) -> anyhow::Result<Self> {
+	pub fn new(mut params: TabParams) -> anyhow::Result<Self> {
 		let state = wgui::parser::parse_from_assets(
 			&ParseDocumentParams {
 				globals: params.globals.clone(),
@@ -28,6 +55,34 @@ impl TabSettings {
 			params.parent_id,
 		)?;
 
+		init_setting_checkbox(
+			&mut params,
+			state.data.fetch_component_as::<ComponentCheckbox>("cb_hide_username")?,
+			|settings| &mut settings.home_screen.hide_username,
+		)?;
+
+		init_setting_checkbox(
+			&mut params,
+			state.data.fetch_component_as::<ComponentCheckbox>("cb_am_pm_clock")?,
+			|settings| &mut settings.general.am_pm_clock,
+		)?;
+
+		init_setting_checkbox(
+			&mut params,
+			state
+				.data
+				.fetch_component_as::<ComponentCheckbox>("cb_opaque_background")?,
+			|settings| &mut settings.general.opaque_background,
+		)?;
+
+		init_setting_checkbox(
+			&mut params,
+			state
+				.data
+				.fetch_component_as::<ComponentCheckbox>("cb_xwayland_by_default")?,
+			|settings| &mut settings.tweaks.xwayland_by_default,
+		)?;
+
 		Ok(Self { state })
 	}
 }