obrusvit
2 months ago
committed by
Vít Obrusník
parent
10ad7fb3b0
commit
e5522dab84
@ -0,0 +1,153 @@
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use super::theme;
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use crate::{
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strutil::TString,
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ui::{
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component::{Component, Event, EventCtx, PageMsg, Paginate},
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constant::SPACING,
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geometry::{Alignment, Alignment2D, Insets, Offset, Rect},
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model_mercury::component::{Instructions, Swipe, SwipeDirection},
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shape,
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shape::Renderer,
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},
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};
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use heapless::{String, Vec};
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const MAX_WORDS: usize = 33; // super-shamir has 33 words, all other have less
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/// Component showing mnemonic/share words during backup procedure. Model T3T1
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/// contains one word per screen. A user is instructed to swipe up/down to see
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/// next/previous word.
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pub struct ShareWords<'a> {
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area: Rect,
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share_words: Vec<TString<'a>, MAX_WORDS>,
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page_index: usize,
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/// Area reserved for a shown word from mnemonic/share
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area_word: Rect,
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/// TODO: review when swipe concept done for T3T1
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swipe: Swipe,
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/// Footer component for instructions and word counting
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instructions: Instructions<'static>,
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}
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impl<'a> ShareWords<'a> {
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const AREA_WORD_HEIGHT: i16 = 91;
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pub fn new(share_words: Vec<TString<'a>, MAX_WORDS>) -> Self {
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Self {
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area: Rect::zero(),
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share_words,
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page_index: 0,
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area_word: Rect::zero(),
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swipe: Swipe::new().up().down(),
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instructions: Instructions::new("Swipe up"),
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}
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}
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fn is_final_page(&self) -> bool {
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self.page_index == self.share_words.len() - 1
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}
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}
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impl<'a> Component for ShareWords<'a> {
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type Msg = PageMsg<()>;
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fn place(&mut self, bounds: Rect) -> Rect {
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self.area = bounds;
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let used_area = bounds
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.inset(Insets::sides(SPACING))
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.inset(Insets::bottom(SPACING));
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self.area_word = Rect::snap(
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used_area.center(),
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Offset::new(used_area.width(), ShareWords::AREA_WORD_HEIGHT),
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Alignment2D::CENTER,
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);
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self.instructions
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.place(used_area.split_bottom(Instructions::HEIGHT_SIMPLE).1);
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self.swipe.place(bounds); // Swipe possible on the whole screen area
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self.area
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}
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fn event(&mut self, ctx: &mut EventCtx, event: Event) -> Option<Self::Msg> {
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ctx.set_page_count(self.share_words.len());
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let swipe = self.swipe.event(ctx, event);
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match swipe {
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Some(SwipeDirection::Up) => {
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if self.is_final_page() {
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return Some(PageMsg::Confirmed);
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}
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self.change_page(self.page_index + 1);
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ctx.request_paint();
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}
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Some(SwipeDirection::Down) => {
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self.change_page(self.page_index.saturating_sub(1));
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ctx.request_paint();
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}
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_ => (),
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}
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None
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}
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fn paint(&mut self) {
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// TODO: remove when ui-t3t1 done
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}
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fn render<'s>(&'s self, target: &mut impl Renderer<'s>) {
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// corner highlights
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let (_, top_right_shape, bot_left_shape, bot_right_shape) =
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shape::CornerHighlight::from_rect(self.area_word, theme::GREY_DARK, theme::BG);
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top_right_shape.render(target);
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bot_left_shape.render(target);
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bot_right_shape.render(target);
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// the ordinal number of the current word
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let ordinal_val = self.page_index as u8 + 1;
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let ordinal_pos = self.area_word.top_left()
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+ Offset::y(theme::TEXT_SUB.text_font.visible_text_height("1"));
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let ordinal = build_string!(3, inttostr!(ordinal_val), ".");
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shape::Text::new(ordinal_pos, &ordinal)
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.with_font(theme::TEXT_SUB.text_font)
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.with_fg(theme::GREY)
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.render(target);
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// the share word
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let word = self.share_words[self.page_index];
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let word_baseline = self.area_word.center()
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+ Offset::y(theme::TEXT_SUPER.text_font.visible_text_height("A") / 2);
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word.map(|w| {
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shape::Text::new(word_baseline, w)
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.with_font(theme::TEXT_SUPER.text_font)
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.with_align(Alignment::Center)
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.render(target);
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});
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// footer with instructions
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self.instructions.render(target);
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}
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#[cfg(feature = "ui_bounds")]
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fn bounds(&self, _sink: &mut dyn FnMut(Rect)) {}
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}
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impl<'a> Paginate for ShareWords<'a> {
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fn page_count(&mut self) -> usize {
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self.share_words.len()
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}
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fn change_page(&mut self, active_page: usize) {
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self.page_index = active_page;
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}
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}
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#[cfg(feature = "ui_debug")]
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impl<'a> crate::trace::Trace for ShareWords<'a> {
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fn trace(&self, t: &mut dyn crate::trace::Tracer) {
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t.component("ShareWords");
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let word = &self.share_words[self.page_index];
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let content =
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word.map(|w| build_string!(50, inttostr!(self.page_index as u8 + 1), ". ", w, "\n"));
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t.string("screen_content", content.as_str().into());
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}
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}
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