152 lines
5.6 KiB
Rust
152 lines
5.6 KiB
Rust
// Copyright 2023 The Grim Developers
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
use egui::{Color32, Id, lerp, Rgba};
|
|
use egui::style::Margin;
|
|
use egui_extras::{Size, StripBuilder};
|
|
|
|
use crate::gui::Colors;
|
|
use crate::gui::views::View;
|
|
|
|
/// Title action button.
|
|
pub struct TitleAction {
|
|
pub(crate) icon: Box<&'static str>,
|
|
pub(crate) on_click: Box<dyn Fn()>,
|
|
}
|
|
|
|
impl TitleAction {
|
|
pub fn new(icon: &'static str, on_click: fn()) -> Option<Self> {
|
|
Option::from(Self { icon: Box::new(icon), on_click: Box::new(on_click) })
|
|
}
|
|
}
|
|
|
|
/// Represents title content, can be single title or with animated sub-title.
|
|
pub enum TitleType {
|
|
Single(String),
|
|
WithSubTitle(String, String, bool)
|
|
}
|
|
|
|
/// Title panel with left/right action buttons and text in the middle.
|
|
pub struct TitlePanel;
|
|
|
|
impl TitlePanel {
|
|
pub const DEFAULT_HEIGHT: f32 = 54.0;
|
|
|
|
pub fn ui(title: TitleType,
|
|
left_action: Option<TitleAction>,
|
|
right_action: Option<TitleAction>,
|
|
ui: &mut egui::Ui,
|
|
frame: &mut eframe::Frame) {
|
|
// Setup identifier.
|
|
let id = match &title {
|
|
TitleType::Single(text) => Id::from(text.clone()),
|
|
TitleType::WithSubTitle(text, _, _) => Id::from(text.clone())
|
|
};
|
|
egui::TopBottomPanel::top(id)
|
|
.resizable(false)
|
|
.exact_height(Self::DEFAULT_HEIGHT)
|
|
.frame(egui::Frame {
|
|
inner_margin: Self::inner_margin(ui, frame),
|
|
fill: Colors::YELLOW,
|
|
..Default::default()
|
|
})
|
|
.show_inside(ui, |ui| {
|
|
StripBuilder::new(ui)
|
|
.size(Size::exact(Self::DEFAULT_HEIGHT))
|
|
.size(Size::remainder())
|
|
.size(Size::exact(Self::DEFAULT_HEIGHT))
|
|
.horizontal(|mut strip| {
|
|
strip.cell(|ui| {
|
|
Self::action_ui(ui, left_action);
|
|
});
|
|
match title {
|
|
TitleType::Single(text) => {
|
|
strip.cell(|ui| {
|
|
ui.add_space(2.0);
|
|
ui.centered_and_justified(|ui| {
|
|
View::ellipsize_text(ui, text, 19.0, Colors::TITLE);
|
|
});
|
|
});
|
|
}
|
|
TitleType::WithSubTitle(text, subtitle_text, animate_sub) => {
|
|
strip.strip(|builder| {
|
|
Self::with_sub_title(builder, text, subtitle_text, animate_sub);
|
|
});
|
|
}
|
|
}
|
|
strip.cell(|ui| {
|
|
Self::action_ui(ui, right_action);
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
/// Calculate inner margin based on display insets (cutouts).
|
|
fn inner_margin(ui: &mut egui::Ui, frame: &mut eframe::Frame) -> Margin {
|
|
Margin {
|
|
left: View::far_left_inset_margin(ui),
|
|
right: View::far_right_inset_margin(ui, frame),
|
|
top: View::get_top_inset(),
|
|
bottom: 0.0,
|
|
}
|
|
}
|
|
|
|
/// Draw panel [`TitleAction`].
|
|
fn action_ui(ui: &mut egui::Ui, action: Option<TitleAction>) {
|
|
if action.is_some() {
|
|
let action = action.unwrap();
|
|
ui.centered_and_justified(|ui| {
|
|
View::title_button(ui, &action.icon, || {
|
|
(action.on_click)();
|
|
});
|
|
});
|
|
}
|
|
}
|
|
|
|
/// Draw title text for [`TitleType::WithSubTitle`] type.
|
|
fn with_sub_title(builder: StripBuilder, title: String, subtitle: String, animate_sub: bool) {
|
|
builder
|
|
.size(Size::remainder())
|
|
.size(Size::exact(30.0))
|
|
.vertical(|mut strip| {
|
|
strip.cell(|ui| {
|
|
ui.add_space(4.0);
|
|
ui.centered_and_justified(|ui| {
|
|
View::ellipsize_text(ui, title, 18.0, Colors::TITLE);
|
|
});
|
|
});
|
|
strip.cell(|ui| {
|
|
ui.centered_and_justified(|ui| {
|
|
// Setup text color animation if needed.
|
|
let (dark, bright) = (0.3, 1.0);
|
|
let color_factor = if animate_sub {
|
|
lerp(dark..=bright, ui.input(|i| i.time).cos().abs()) as f32
|
|
} else {
|
|
bright as f32
|
|
};
|
|
|
|
// Draw subtitle text.
|
|
let sub_color_rgba = Rgba::from(Colors::TEXT) * color_factor;
|
|
let sub_color = Color32::from(sub_color_rgba);
|
|
View::ellipsize_text(ui, subtitle, 15.0, sub_color);
|
|
|
|
// Repaint delay based on animation status.
|
|
if animate_sub {
|
|
ui.ctx().request_repaint();
|
|
}
|
|
});
|
|
});
|
|
});
|
|
}
|
|
}
|