145 lines
4.9 KiB
Rust
145 lines
4.9 KiB
Rust
// Copyright 2023 The Grim Developers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use eframe::epaint::{FontId, Stroke};
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use eframe::epaint::text::{LayoutJob, TextFormat, TextWrapping};
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use egui::style::Margin;
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use egui_extras::{Size, StripBuilder};
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use crate::gui::colors::{COLOR_DARK, COLOR_YELLOW};
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use crate::gui::screens::Navigator;
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use crate::gui::views::common::title_button;
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pub struct TitlePanelAction {
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pub(crate) icon: Box<str>,
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pub(crate) on_click: Box<dyn Fn(&mut Navigator)>,
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}
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#[derive(Default)]
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pub struct TitlePanelActions {
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left: Option<TitlePanelAction>,
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right: Option<TitlePanelAction>
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}
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pub struct TitlePanel<'nav> {
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title: Option<String>,
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actions: TitlePanelActions,
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nav: &'nav mut Navigator
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}
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impl<'nav> TitlePanel<'nav> {
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pub fn new(nav: &'nav mut Navigator) -> TitlePanel<'nav> {
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Self {
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title: None,
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actions: Default::default(),
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nav,
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}
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}
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pub fn title(mut self, title: String) -> Self {
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self.title = Some(title);
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self
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}
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pub fn left_action(mut self, action: TitlePanelAction) -> Self {
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self.actions.left = Some(action);
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self
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}
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pub fn right_action(mut self, action: TitlePanelAction) -> Self {
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self.actions.right = Some(action);
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self
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}
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pub fn ui(&mut self, ui: &mut egui::Ui) {
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// Disable stroke around panel buttons on hover
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ui.style_mut().visuals.widgets.active.bg_stroke = Stroke::NONE;
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let Self { actions, title, nav } = self;
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egui::TopBottomPanel::top("title_panel")
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.resizable(false)
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.frame(egui::Frame {
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fill: COLOR_YELLOW,
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inner_margin: Margin::same(0.0),
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outer_margin: Margin::same(0.0),
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stroke: Stroke::NONE,
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..Default::default()
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})
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.show_inside(ui, |ui| {
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StripBuilder::new(ui)
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.size(Size::exact(52.0))
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.vertical(|mut strip| {
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strip.strip(|builder| {
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builder
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.size(Size::exact(52.0))
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.size(Size::remainder())
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.size(Size::exact(52.0))
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.horizontal(|mut strip| {
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strip.cell(|ui| {
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Self::show_action(ui, actions.left.as_ref(), nav);
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});
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strip.strip(|builder| {
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builder
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.size(Size::remainder())
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.vertical(|mut strip| {
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strip.cell(|ui| {
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Self::show_title(&*title, ui);
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});
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});
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});
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strip.cell(|ui| {
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Self::show_action(ui, actions.right.as_ref(), nav);
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});
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});
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});
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});
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});
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}
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fn show_action(ui: &mut egui::Ui,
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action: Option<&TitlePanelAction>,
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navigator: &mut Navigator) {
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if action.is_some() {
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let action = action.unwrap();
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ui.centered_and_justified(|ui| {
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title_button(ui, &action.icon, || {
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(action.on_click)(navigator);
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});
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});
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}
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}
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fn show_title(title: &Option<String>, ui: &mut egui::Ui) {
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if title.is_some() {
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ui.centered_and_justified(|ui| {
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let title_text = title.as_ref().unwrap().to_uppercase();
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let mut job = LayoutJob::single_section(title_text, TextFormat {
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font_id: FontId::proportional(20.0),
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color: COLOR_DARK,
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.. Default::default()
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});
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job.wrap = TextWrapping {
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max_rows: 1,
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break_anywhere: false,
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overflow_character: Option::from('﹍'),
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..Default::default()
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};
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ui.label(job);
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});
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}
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}
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}
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