move stuff to frontend.rs

dash-frontend/src/frontend.rs

@@ -0,0 +1,183 @@
+use std::{cell::RefCell, collections::VecDeque, rc::Rc};
+
+use chrono::Timelike;
+use glam::Vec2;
+use wgui::{
+	assets::AssetPath,
+	components::button::ComponentButton,
+	event::{CallbackDataCommon, EventAlterables},
+	globals::WguiGlobals,
+	i18n::Translation,
+	layout::{LayoutParams, RcLayout, WidgetID},
+	parser::{Fetchable, ParseDocumentParams, ParserState},
+	widget::label::WidgetLabel,
+};
+
+use crate::{
+	assets,
+	tab::{
+		Tab, TabParams, TabType, apps::TabApps, games::TabGames, home::TabHome, monado::TabMonado, processes::TabProcesses,
+		settings::TabSettings,
+	},
+};
+
+pub struct Frontend {
+	pub layout: RcLayout,
+	globals: WguiGlobals,
+
+	#[allow(dead_code)]
+	state: ParserState,
+
+	current_tab: Option<Box<dyn Tab>>,
+
+	tasks: VecDeque<FrontendTask>,
+
+	ticks: u32,
+
+	label_time_id: WidgetID,
+}
+
+pub type RcFrontend = Rc<RefCell<Frontend>>;
+
+pub enum FrontendTask {
+	SetTab(TabType),
+}
+
+impl Frontend {
+	pub fn new() -> anyhow::Result<(RcFrontend, RcLayout)> {
+		let globals = WguiGlobals::new(Box::new(assets::Asset {}), wgui::globals::Defaults::default())?;
+
+		let (layout, state) = wgui::parser::new_layout_from_assets(
+			&ParseDocumentParams {
+				globals: globals.clone(),
+				path: AssetPath::BuiltIn("gui/dashboard.xml"),
+				extra: Default::default(),
+			},
+			&LayoutParams { resize_to_parent: true },
+		)?;
+
+		let rc_layout = layout.as_rc();
+
+		let mut tasks = VecDeque::<FrontendTask>::new();
+		tasks.push_back(FrontendTask::SetTab(TabType::Home));
+
+		let label_time_id = state.get_widget_id("label_time")?;
+
+		let res = Rc::new(RefCell::new(Self {
+			layout: rc_layout.clone(),
+			state,
+			current_tab: None,
+			globals,
+			tasks,
+			ticks: 0,
+			label_time_id,
+		}));
+
+		Frontend::register_widgets(&res)?;
+
+		Ok((res, rc_layout))
+	}
+
+	pub fn update(&mut self, rc_this: &RcFrontend, width: f32, height: f32, timestep_alpha: f32) -> anyhow::Result<()> {
+		while let Some(task) = self.tasks.pop_front() {
+			self.process_task(rc_this, task)?;
+		}
+
+		self.tick(width, height, timestep_alpha)?;
+		self.ticks += 1;
+
+		Ok(())
+	}
+
+	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,
+		};
+
+		// fixme: timer events instead of this thing
+		if self.ticks.is_multiple_of(1000) {
+			self.update_time(&mut common);
+		}
+
+		layout.update(Vec2::new(width, height), timestep_alpha)?;
+		layout.process_alterables(alterables)?;
+
+		Ok(())
+	}
+
+	fn update_time(&self, common: &mut CallbackDataCommon) {
+		let Some(mut label) = common.state.widgets.get_as::<WidgetLabel>(self.label_time_id) else {
+			return;
+		};
+
+		let now = chrono::Local::now();
+		let hours = now.hour();
+		let minutes = now.minute();
+
+		label.set_text(common, Translation::from_raw_text(&format!("{hours:02}:{minutes:02}")));
+	}
+
+	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) -> anyhow::Result<()> {
+		match task {
+			FrontendTask::SetTab(tab_type) => self.set_tab(tab_type, rc_this)?,
+		}
+		Ok(())
+	}
+
+	fn set_tab(&mut self, tab_type: TabType, rc_this: &RcFrontend) -> 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,
+			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_widgets(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(())
+	}
+}