dash-frontend: tabs, other fixes (desc)

- set rustfmt line width to 120 columns by default for wgui
- dashboard tabs
- wgui: `remove_children`

dash-frontend/src/lib.rs

@@ -1,18 +1,38 @@
+use std::{cell::RefCell, collections::VecDeque, rc::Rc};
+
 use glam::Vec2;
 use wgui::{
+	components::button::ComponentButton,
 	event::EventListenerCollection,
 	globals::WguiGlobals,
-	layout::{Layout, LayoutParams},
+	layout::{LayoutParams, RcLayout},
 	parser::{ParseDocumentParams, ParserState},
 };
 
+use crate::tab::{
+	Tab, TabParams, TabType, apps::TabApps, games::TabGames, home::TabHome, monado::TabMonado, processes::TabProcesses,
+	settings::TabSettings,
+};
+
 mod assets;
+mod tab;
 
 pub struct Frontend {
-	pub layout: Layout,
+	pub layout: RcLayout,
+	globals: WguiGlobals,
 
 	#[allow(dead_code)]
 	state: ParserState,
+
+	current_tab: Option<Box<dyn Tab>>,
+
+	tasks: VecDeque<FrontendTask>,
+}
+
+pub type RcFrontend = Rc<RefCell<Frontend>>;
+
+pub enum FrontendTask {
+	SetTab(TabType),
 }
 
 pub struct FrontendParams<'a> {
@@ -20,32 +40,126 @@ pub struct FrontendParams<'a> {
 }
 
 impl Frontend {
-	pub fn new(params: FrontendParams) -> anyhow::Result<Self> {
+	pub fn new(params: FrontendParams) -> anyhow::Result<(RcFrontend, RcLayout)> {
 		let globals = WguiGlobals::new(Box::new(assets::Asset {}))?;
 
 		let (layout, state) = wgui::parser::new_layout_from_assets(
 			params.listeners,
 			&ParseDocumentParams {
-				globals,
+				globals: globals.clone(),
 				path: "gui/dashboard.xml",
 				extra: Default::default(),
 			},
-			&LayoutParams {
-				resize_to_parent: true,
-			},
+			&LayoutParams { resize_to_parent: true },
 		)?;
 
-		Ok(Self { layout, state })
+		let rc_layout = layout.as_rc();
+
+		let mut tasks = VecDeque::<FrontendTask>::new();
+		tasks.push_back(FrontendTask::SetTab(TabType::Home));
+
+		let res = Rc::new(RefCell::new(Self {
+			layout: rc_layout.clone(),
+			state,
+			current_tab: None,
+			globals,
+			tasks,
+		}));
+
+		Frontend::register_buttons(&res)?;
+
+		Ok((res, rc_layout))
 	}
 
-	pub fn update(&mut self, width: f32, height: f32, timeste_alpha: f32) -> anyhow::Result<()> {
-		self
+	pub fn update(
+		rc_this: &RcFrontend,
+		listeners: &mut EventListenerCollection<(), ()>,
+		width: f32,
+		height: f32,
+		timestep_alpha: f32,
+	) -> anyhow::Result<()> {
+		let mut this = rc_this.borrow_mut();
+
+		while let Some(task) = this.tasks.pop_front() {
+			this.process_task(rc_this, task, listeners)?;
+		}
+
+		this
 			.layout
-			.update(Vec2::new(width, height), timeste_alpha)?;
+			.borrow_mut()
+			.update(Vec2::new(width, height), timestep_alpha)?;
+
 		Ok(())
 	}
 
-	pub fn get_layout(&mut self) -> &mut Layout {
-		&mut self.layout
+	pub fn get_layout(&self) -> &RcLayout {
+		&self.layout
+	}
+
+	pub fn push_task(&mut self, task: FrontendTask) {
+		self.tasks.push_back(task);
+	}
+
+	fn process_task(
+		&mut self,
+		rc_this: &RcFrontend,
+		task: FrontendTask,
+		listeners: &mut EventListenerCollection<(), ()>,
+	) -> anyhow::Result<()> {
+		match task {
+			FrontendTask::SetTab(tab_type) => self.set_tab(tab_type, rc_this, listeners)?,
+		}
+		Ok(())
+	}
+
+	fn set_tab(
+		&mut self,
+		tab_type: TabType,
+		rc_this: &RcFrontend,
+		listeners: &mut EventListenerCollection<(), ()>,
+	) -> anyhow::Result<()> {
+		log::info!("Setting tab to {tab_type:?}");
+		let mut layout = self.layout.borrow_mut();
+		let widget_content = self.state.fetch_widget(&layout.state, "content")?;
+		layout.remove_children(widget_content.id);
+
+		let tab_params = TabParams {
+			globals: &self.globals,
+			layout: &mut layout,
+			parent_id: widget_content.id,
+			listeners,
+			frontend: rc_this,
+		};
+
+		let tab: Box<dyn Tab> = match tab_type {
+			TabType::Home => Box::new(TabHome::new(tab_params)?),
+			TabType::Apps => Box::new(TabApps::new(tab_params)?),
+			TabType::Games => Box::new(TabGames::new(tab_params)?),
+			TabType::Monado => Box::new(TabMonado::new(tab_params)?),
+			TabType::Processes => Box::new(TabProcesses::new(tab_params)?),
+			TabType::Settings => Box::new(TabSettings::new(tab_params)?),
+		};
+
+		self.current_tab = Some(tab);
+
+		Ok(())
+	}
+
+	fn register_buttons(rc_this: &RcFrontend) -> anyhow::Result<()> {
+		let this = rc_this.borrow_mut();
+		let btn_home = this.state.fetch_component_as::<ComponentButton>("btn_side_home")?;
+		let btn_apps = this.state.fetch_component_as::<ComponentButton>("btn_side_apps")?;
+		let btn_games = this.state.fetch_component_as::<ComponentButton>("btn_side_games")?;
+		let btn_monado = this.state.fetch_component_as::<ComponentButton>("btn_side_monado")?;
+		let btn_processes = this.state.fetch_component_as::<ComponentButton>("btn_side_processes")?;
+		let btn_settings = this.state.fetch_component_as::<ComponentButton>("btn_side_settings")?;
+
+		TabType::register_button(rc_this.clone(), &btn_home, TabType::Home);
+		TabType::register_button(rc_this.clone(), &btn_apps, TabType::Apps);
+		TabType::register_button(rc_this.clone(), &btn_games, TabType::Games);
+		TabType::register_button(rc_this.clone(), &btn_monado, TabType::Monado);
+		TabType::register_button(rc_this.clone(), &btn_processes, TabType::Processes);
+		TabType::register_button(rc_this.clone(), &btn_settings, TabType::Settings);
+		Ok(())
 	}
 }