sorry about monster commit
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galister
338
wlx-overlay-s/src/gui/panel/mod.rs
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338
wlx-overlay-s/src/gui/panel/mod.rs
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use std::{cell::RefCell, rc::Rc, sync::Arc};
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use button::setup_custom_button;
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use glam::{vec2, Affine2, Vec2};
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use label::setup_custom_label;
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use vulkano::{command_buffer::CommandBufferUsage, image::view::ImageView};
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use wgui::{
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drawing,
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event::{
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Event as WguiEvent, EventListenerCollection, InternalStateChangeEvent, ListenerHandleVec,
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MouseButtonIndex, MouseDownEvent, MouseLeaveEvent, MouseMotionEvent, MouseUpEvent,
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MouseWheelEvent,
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},
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layout::{Layout, LayoutParams, WidgetID},
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parser::ParserState,
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renderer_vk::context::Context as WguiContext,
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widget::{label::WidgetLabel, rectangle::WidgetRectangle},
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};
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use crate::{
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backend::{
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input::{Haptics, PointerHit, PointerMode},
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overlay::{ui_transform, FrameMeta, OverlayBackend, ShouldRender},
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},
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graphics::{CommandBuffers, ExtentExt},
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state::AppState,
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};
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use super::{timer::GuiTimer, timestep::Timestep};
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mod button;
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mod helper;
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mod label;
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const MAX_SIZE: u32 = 2048;
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const MAX_SIZE_VEC2: Vec2 = vec2(MAX_SIZE as _, MAX_SIZE as _);
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const COLOR_ERR: drawing::Color = drawing::Color::new(1., 0., 1., 1.);
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pub struct GuiPanel<S> {
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pub layout: Layout,
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pub state: S,
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pub timers: Vec<GuiTimer>,
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pub listeners: EventListenerCollection<AppState, S>,
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pub listener_handles: ListenerHandleVec,
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pub parser_state: ParserState,
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interaction_transform: Option<Affine2>,
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context: WguiContext,
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timestep: Timestep,
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}
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pub type OnCustomIdFunc<S> = Box<
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dyn Fn(
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Rc<str>,
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WidgetID,
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&wgui::parser::ParseDocumentParams,
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&mut Layout,
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&mut ParserState,
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&mut EventListenerCollection<AppState, S>,
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) -> anyhow::Result<()>,
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>;
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impl<S> GuiPanel<S> {
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pub fn new_from_template(
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app: &mut AppState,
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path: &str,
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state: S,
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on_custom_id: Option<OnCustomIdFunc<S>>,
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) -> anyhow::Result<Self> {
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let mut listeners = EventListenerCollection::<AppState, S>::default();
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let mut listener_handles = ListenerHandleVec::default();
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let custom_elems = Rc::new(RefCell::new(vec![]));
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let doc_params = wgui::parser::ParseDocumentParams {
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globals: app.wgui_globals.clone(),
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path,
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extra: wgui::parser::ParseDocumentExtra {
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on_custom_attribs: Some(Box::new({
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let custom_elems = custom_elems.clone();
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move |attribs| {
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custom_elems.borrow_mut().push(attribs.to_owned());
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}
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})),
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..Default::default()
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},
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};
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let (mut layout, mut parser_state) = wgui::parser::new_layout_from_assets(
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&mut listeners,
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&doc_params,
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&LayoutParams::default(),
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)?;
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if let Some(on_element_id) = on_custom_id {
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let ids = parser_state.ids.clone();
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for (id, widget) in ids {
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on_element_id(
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id.clone(),
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widget,
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&doc_params,
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&mut layout,
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&mut parser_state,
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&mut listeners,
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)?;
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}
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}
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for elem in custom_elems.borrow().iter() {
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if layout
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.state
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.widgets
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.get_as::<WidgetLabel>(elem.widget_id)
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.is_some()
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{
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setup_custom_label(
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&mut layout,
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elem,
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&mut listeners,
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&mut listener_handles,
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app,
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);
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} else if layout
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.state
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.widgets
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.get_as::<WidgetRectangle>(elem.widget_id)
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.is_some()
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{
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setup_custom_button(elem, &mut listeners, &mut listener_handles, app);
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}
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}
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let context = WguiContext::new(&mut app.wgui_shared, 1.0)?;
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let mut timestep = Timestep::new();
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timestep.set_tps(60.0);
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Ok(Self {
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layout,
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context,
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timestep,
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state,
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listener_handles,
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parser_state,
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timers: vec![],
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listeners,
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interaction_transform: None,
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})
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}
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pub fn new_blank(app: &mut AppState, state: S) -> anyhow::Result<Self> {
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let layout = Layout::new(app.wgui_globals.clone(), &LayoutParams::default())?;
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let context = WguiContext::new(&mut app.wgui_shared, 1.0)?;
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let mut timestep = Timestep::new();
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timestep.set_tps(60.0);
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Ok(Self {
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layout,
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context,
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timestep,
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state,
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parser_state: ParserState::default(),
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listener_handles: ListenerHandleVec::default(),
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timers: vec![],
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listeners: EventListenerCollection::default(),
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interaction_transform: None,
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})
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}
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pub fn update_layout(&mut self) -> anyhow::Result<()> {
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self.layout.update(MAX_SIZE_VEC2, 0.0)
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}
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pub fn push_event(&mut self, app: &mut AppState, event: &WguiEvent) {
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if let Err(e) = self
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.layout
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.push_event(&mut self.listeners, event, (app, &mut self.state))
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{
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log::error!("Failed to push event: {e:?}");
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}
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}
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}
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impl<S> OverlayBackend for GuiPanel<S> {
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fn init(&mut self, _app: &mut AppState) -> anyhow::Result<()> {
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if self.layout.content_size.x * self.layout.content_size.y != 0.0 {
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self.update_layout()?;
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self.interaction_transform = Some(ui_transform([
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//TODO: dynamic
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self.layout.content_size.x as _,
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self.layout.content_size.y as _,
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]));
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}
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Ok(())
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}
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fn pause(&mut self, _app: &mut AppState) -> anyhow::Result<()> {
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Ok(())
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}
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fn resume(&mut self, _app: &mut AppState) -> anyhow::Result<()> {
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self.timestep.reset();
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Ok(())
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}
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fn should_render(&mut self, app: &mut AppState) -> anyhow::Result<ShouldRender> {
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//TODO: this only executes one timer event per frame
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if let Some(signal) = self.timers.iter_mut().find_map(GuiTimer::check_tick) {
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self.push_event(
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app,
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&WguiEvent::InternalStateChange(InternalStateChangeEvent { metadata: signal }),
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);
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}
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while self.timestep.on_tick() {
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self.layout.tick()?;
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}
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if self.layout.content_size.x * self.layout.content_size.y == 0.0 {
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return Ok(ShouldRender::Unable);
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}
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Ok(if self.layout.check_toggle_needs_redraw() {
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ShouldRender::Should
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} else {
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ShouldRender::Can
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})
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}
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fn render(
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&mut self,
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app: &mut AppState,
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tgt: Arc<ImageView>,
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buf: &mut CommandBuffers,
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_alpha: f32,
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) -> anyhow::Result<bool> {
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self.context
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.update_viewport(&mut app.wgui_shared, tgt.extent_u32arr(), 1.0)?;
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self.layout.update(MAX_SIZE_VEC2, self.timestep.alpha)?;
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let mut cmd_buf = app
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.gfx
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.create_gfx_command_buffer(CommandBufferUsage::OneTimeSubmit)
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.unwrap(); // want panic
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cmd_buf.begin_rendering(tgt)?;
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let primitives = wgui::drawing::draw(&self.layout)?;
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self.context
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.draw(&mut app.wgui_shared, &mut cmd_buf, &primitives)?;
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cmd_buf.end_rendering()?;
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buf.push(cmd_buf.build()?);
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Ok(true)
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}
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fn frame_meta(&mut self) -> Option<FrameMeta> {
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Some(FrameMeta {
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extent: [
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MAX_SIZE.min(self.layout.content_size.x as _),
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MAX_SIZE.min(self.layout.content_size.y as _),
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1,
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],
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..Default::default()
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})
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}
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fn on_scroll(&mut self, app: &mut AppState, hit: &PointerHit, delta_y: f32, delta_x: f32) {
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self.layout
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.push_event(
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&mut self.listeners,
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&WguiEvent::MouseWheel(MouseWheelEvent {
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shift: vec2(delta_x, delta_y),
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pos: hit.uv * self.layout.content_size,
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device: hit.pointer,
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}),
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(app, &mut self.state),
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)
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.unwrap(); // want panic
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}
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fn on_hover(&mut self, app: &mut AppState, hit: &PointerHit) -> Option<Haptics> {
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self.push_event(
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app,
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&WguiEvent::MouseMotion(MouseMotionEvent {
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pos: hit.uv * self.layout.content_size,
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device: hit.pointer,
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}),
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);
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self.layout
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.check_toggle_haptics_triggered()
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.then_some(Haptics {
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intensity: 0.1,
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duration: 0.01,
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frequency: 5.0,
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})
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}
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fn on_left(&mut self, app: &mut AppState, pointer: usize) {
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self.push_event(
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app,
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&WguiEvent::MouseLeave(MouseLeaveEvent { device: pointer }),
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);
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}
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fn on_pointer(&mut self, app: &mut AppState, hit: &PointerHit, pressed: bool) {
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let index = match hit.mode {
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PointerMode::Left => MouseButtonIndex::Left,
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PointerMode::Right => MouseButtonIndex::Right,
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PointerMode::Middle => MouseButtonIndex::Middle,
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_ => return,
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};
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if pressed {
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self.push_event(
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app,
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&WguiEvent::MouseDown(MouseDownEvent {
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pos: hit.uv * self.layout.content_size,
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index,
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device: hit.pointer,
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}),
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);
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} else {
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self.push_event(
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app,
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&WguiEvent::MouseUp(MouseUpEvent {
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pos: hit.uv * self.layout.content_size,
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index,
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device: hit.pointer,
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}),
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);
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}
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}
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fn get_interaction_transform(&mut self) -> Option<Affine2> {
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self.interaction_transform
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}
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}
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