obrusvit
2 months ago
parent
fe1ce7a914
commit
a31021bf22
@ -0,0 +1,156 @@
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use heapless::Vec;
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use super::theme;
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use crate::ui::{
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component::{base::Component, Event, EventCtx},
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display::Icon,
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geometry::Rect,
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model_mercury::component::button::{Button, ButtonMsg, IconText},
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shape::{Bar, Renderer},
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};
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pub enum VerticalMenuChoiceMsg {
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Selected(usize),
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}
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/// Number of buttons.
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/// Presently, VerticalMenu holds only fixed number of buttons.
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/// TODO: for scrollable menu, the implementation must change.
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const N_ITEMS: usize = 3;
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/// Number of visual separators between buttons.
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const N_SEPS: usize = N_ITEMS - 1;
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/// Fixed height of each menu button.
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const MENU_BUTTON_HEIGHT: i16 = 64;
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/// Fixed height of a separator.
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const MENU_SEP_HEIGHT: i16 = 2;
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type VerticalMenuButtons<T> = Vec<Button<T>, N_ITEMS>;
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type AreasForSeparators = Vec<Rect, N_SEPS>;
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pub struct VerticalMenu<T> {
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area: Rect,
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/// buttons placed vertically from top to bottom
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buttons: VerticalMenuButtons<T>,
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/// areas for visual separators between buttons
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areas_sep: AreasForSeparators,
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}
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impl<T> VerticalMenu<T>
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where
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T: AsRef<str>,
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{
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fn new(buttons: VerticalMenuButtons<T>) -> Self {
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Self {
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area: Rect::zero(),
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buttons,
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areas_sep: AreasForSeparators::new(),
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}
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}
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pub fn select_word(words: [T; 3]) -> Self {
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let mut buttons_vec = VerticalMenuButtons::new();
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for word in words {
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let button = Button::with_text(word).styled(theme::button_vertical_menu());
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unwrap!(buttons_vec.push(button));
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}
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Self::new(buttons_vec)
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}
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pub fn context_menu(options: [(T, Icon); 3]) -> Self {
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// TODO: this is just POC
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let mut buttons_vec = VerticalMenuButtons::new();
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for opt in options {
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let button_theme;
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match opt.1 {
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theme::ICON_CANCEL => {
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button_theme = theme::button_vertical_menu_orange();
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}
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_ => {
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button_theme = theme::button_vertical_menu();
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}
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}
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unwrap!(buttons_vec.push(
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Button::with_icon_and_text(IconText::new(opt.0, opt.1)).styled(button_theme)
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));
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}
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Self::new(buttons_vec)
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}
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}
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impl<T> Component for VerticalMenu<T>
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where
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T: AsRef<str>,
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{
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type Msg = VerticalMenuChoiceMsg;
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fn place(&mut self, bounds: Rect) -> Rect {
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// VerticalMenu is supposed to be used in Frame, the remaining space is just
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// enought to fit 3 buttons separated by thin bars
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let height_bounds_expected = 3 * MENU_BUTTON_HEIGHT + 2 * MENU_SEP_HEIGHT;
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assert!(bounds.height() == height_bounds_expected);
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self.area = bounds;
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self.areas_sep.clear();
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let mut remaining = bounds;
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for i in 0..N_ITEMS {
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let (area_button, new_remaining) = remaining.split_top(MENU_BUTTON_HEIGHT);
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self.buttons[i].place(area_button);
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remaining = new_remaining;
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if i < N_SEPS {
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let (area_sep, new_remaining) = remaining.split_top(MENU_SEP_HEIGHT);
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unwrap!(self.areas_sep.push(area_sep));
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remaining = new_remaining;
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}
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}
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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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for (i, button) in self.buttons.iter_mut().enumerate() {
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if let Some(ButtonMsg::Clicked) = button.event(ctx, event) {
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return Some(VerticalMenuChoiceMsg::Selected(i));
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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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// render buttons separated by thin bars
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for button in &self.buttons {
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button.render(target);
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}
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for area in self.areas_sep.iter() {
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Bar::new(*area)
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.with_thickness(MENU_SEP_HEIGHT)
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.with_fg(theme::GREY_EXTRA_DARK)
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.render(target);
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}
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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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sink(self.area);
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}
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}
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#[cfg(feature = "ui_debug")]
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impl<T> crate::trace::Trace for VerticalMenu<T>
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where
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T: AsRef<str>,
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{
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fn trace(&self, t: &mut dyn crate::trace::Tracer) {
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t.component("VerticalMenu");
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t.in_list("buttons", &|button_list| {
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for button in &self.buttons {
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button_list.child(button);
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}
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});
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}
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}
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Before Width: | Height: | Size: 320 B After Width: | Height: | Size: 226 B |
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