You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
158 lines
4.7 KiB
158 lines
4.7 KiB
use crate::{
|
|
strutil::TString,
|
|
time::Instant,
|
|
ui::{
|
|
component::{Component, Event, EventCtx, Marquee, Never},
|
|
display,
|
|
geometry::{Alignment, Offset, Rect},
|
|
shape,
|
|
shape::Renderer,
|
|
},
|
|
};
|
|
|
|
use super::super::theme;
|
|
|
|
pub struct Title {
|
|
area: Rect,
|
|
title: TString<'static>,
|
|
marquee: Marquee,
|
|
needs_marquee: bool,
|
|
centered: bool,
|
|
}
|
|
|
|
impl Title {
|
|
pub fn new(title: TString<'static>) -> Self {
|
|
Self {
|
|
title,
|
|
marquee: Marquee::new(title, theme::FONT_HEADER, theme::FG, theme::BG),
|
|
needs_marquee: false,
|
|
area: Rect::zero(),
|
|
centered: false,
|
|
}
|
|
}
|
|
|
|
pub fn with_centered(mut self) -> Self {
|
|
self.centered = true;
|
|
self
|
|
}
|
|
|
|
pub fn get_text(&self) -> TString {
|
|
self.title
|
|
}
|
|
|
|
pub fn set_text(&mut self, ctx: &mut EventCtx, new_text: TString<'static>) {
|
|
self.title = new_text;
|
|
self.marquee.set_text(new_text);
|
|
let text_width = new_text.map(|s| theme::FONT_HEADER.text_width(s));
|
|
self.needs_marquee = text_width > self.area.width();
|
|
// Resetting the marquee to the beginning and starting it when necessary.
|
|
self.marquee.reset();
|
|
if self.needs_marquee {
|
|
self.marquee.start(ctx, Instant::now());
|
|
}
|
|
}
|
|
|
|
/// Display title/header at the top left of the given area.
|
|
pub fn paint_header_left(title: &TString<'static>, area: Rect) {
|
|
let text_height = theme::FONT_HEADER.text_height();
|
|
let title_baseline = area.top_left() + Offset::y(text_height - 1);
|
|
title.map(|s| {
|
|
display::text_left(title_baseline, s, theme::FONT_HEADER, theme::FG, theme::BG)
|
|
});
|
|
}
|
|
|
|
/// Display title/header at the top left of the given area.
|
|
pub fn render_header_left<'s>(
|
|
target: &mut impl Renderer<'s>,
|
|
title: &TString<'static>,
|
|
area: Rect,
|
|
) {
|
|
let text_height = theme::FONT_HEADER.text_height();
|
|
let title_baseline = area.top_left() + Offset::y(text_height - 1);
|
|
title.map(|s| {
|
|
shape::Text::new(title_baseline, s)
|
|
.with_font(theme::FONT_HEADER)
|
|
.with_fg(theme::FG)
|
|
.render(target);
|
|
});
|
|
}
|
|
|
|
/// Display title/header centered at the top of the given area.
|
|
pub fn paint_header_centered(title: &TString<'static>, area: Rect) {
|
|
let text_height = theme::FONT_HEADER.text_height();
|
|
let title_baseline = area.top_center() + Offset::y(text_height - 1);
|
|
title.map(|s| {
|
|
display::text_center(title_baseline, s, theme::FONT_HEADER, theme::FG, theme::BG)
|
|
});
|
|
}
|
|
|
|
/// Display title/header centered at the top of the given area.
|
|
pub fn render_header_centered<'s>(
|
|
target: &mut impl Renderer<'s>,
|
|
title: &TString<'static>,
|
|
area: Rect,
|
|
) {
|
|
let text_height = theme::FONT_HEADER.text_height();
|
|
let title_baseline = area.top_center() + Offset::y(text_height - 1);
|
|
title.map(|s| {
|
|
shape::Text::new(title_baseline, s)
|
|
.with_align(Alignment::Center)
|
|
.with_font(theme::FONT_HEADER)
|
|
.with_fg(theme::FG)
|
|
.render(target);
|
|
});
|
|
}
|
|
}
|
|
|
|
impl Component for Title {
|
|
type Msg = Never;
|
|
|
|
fn place(&mut self, bounds: Rect) -> Rect {
|
|
self.area = bounds;
|
|
self.marquee.place(bounds);
|
|
let width = self.title.map(|s| theme::FONT_HEADER.text_width(s));
|
|
self.needs_marquee = width > self.area.width();
|
|
bounds
|
|
}
|
|
|
|
fn event(&mut self, ctx: &mut EventCtx, event: Event) -> Option<Self::Msg> {
|
|
if self.needs_marquee {
|
|
if !self.marquee.is_animating() {
|
|
self.marquee.start(ctx, Instant::now());
|
|
}
|
|
return self.marquee.event(ctx, event);
|
|
}
|
|
None
|
|
}
|
|
|
|
fn paint(&mut self) {
|
|
if self.needs_marquee {
|
|
self.marquee.paint();
|
|
} else if self.centered {
|
|
Self::paint_header_centered(&self.title, self.area);
|
|
} else {
|
|
Self::paint_header_left(&self.title, self.area);
|
|
}
|
|
}
|
|
|
|
fn render<'s>(&'s self, target: &mut impl Renderer<'s>) {
|
|
if self.needs_marquee {
|
|
self.marquee.render(target);
|
|
} else if self.centered {
|
|
Self::render_header_centered(target, &self.title, self.area);
|
|
} else {
|
|
Self::render_header_left(target, &self.title, self.area);
|
|
}
|
|
}
|
|
}
|
|
|
|
// DEBUG-ONLY SECTION BELOW
|
|
|
|
#[cfg(feature = "ui_debug")]
|
|
impl crate::trace::Trace for Title {
|
|
fn trace(&self, t: &mut dyn crate::trace::Tracer) {
|
|
t.component("Title");
|
|
t.string("text", self.title);
|
|
}
|
|
}
|