// 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 eframe::epaint::{FontId, Stroke}; use eframe::epaint::text::{LayoutJob, TextFormat, TextWrapping}; use egui::style::Margin; use egui_extras::{Size, StripBuilder}; use crate::gui::colors::{COLOR_DARK, COLOR_YELLOW}; use crate::gui::screens::Navigator; use crate::gui::views::common::title_button; pub struct TitlePanelAction { pub(crate) icon: Box, pub(crate) on_click: Box, } #[derive(Default)] pub struct TitlePanelActions { left: Option, right: Option } pub struct TitlePanel<'nav> { title: Option, actions: TitlePanelActions, nav: &'nav mut Navigator } impl<'nav> TitlePanel<'nav> { pub fn new(nav: &'nav mut Navigator) -> TitlePanel<'nav> { Self { title: None, actions: Default::default(), nav, } } pub fn title(mut self, title: String) -> Self { self.title = Some(title); self } pub fn left_action(mut self, action: TitlePanelAction) -> Self { self.actions.left = Some(action); self } pub fn right_action(mut self, action: TitlePanelAction) -> Self { self.actions.right = Some(action); self } pub fn ui(&mut self, ui: &mut egui::Ui) { // Disable stroke around panel buttons on hover ui.style_mut().visuals.widgets.active.bg_stroke = Stroke::NONE; let Self { actions, title, nav } = self; egui::TopBottomPanel::top("title_panel") .resizable(false) .frame(egui::Frame { fill: COLOR_YELLOW, inner_margin: Margin::same(0.0), outer_margin: Margin::same(0.0), stroke: Stroke::NONE, ..Default::default() }) .show_inside(ui, |ui| { StripBuilder::new(ui) .size(Size::exact(52.0)) .vertical(|mut strip| { strip.strip(|builder| { builder .size(Size::exact(52.0)) .size(Size::remainder()) .size(Size::exact(52.0)) .horizontal(|mut strip| { strip.cell(|ui| { Self::show_action(ui, actions.left.as_ref(), nav); }); strip.strip(|builder| { builder .size(Size::remainder()) .vertical(|mut strip| { strip.cell(|ui| { Self::show_title(&*title, ui); }); }); }); strip.cell(|ui| { Self::show_action(ui, actions.right.as_ref(), nav); }); }); }); }); }); } fn show_action(ui: &mut egui::Ui, action: Option<&TitlePanelAction>, navigator: &mut Navigator) { if action.is_some() { let action = action.unwrap(); ui.centered_and_justified(|ui| { title_button(ui, &action.icon, || { (action.on_click)(navigator); }); }); } } fn show_title(title: &Option, ui: &mut egui::Ui) { if title.is_some() { ui.centered_and_justified(|ui| { let title_text = title.as_ref().unwrap().to_uppercase(); let mut job = LayoutJob::single_section(title_text, TextFormat { font_id: FontId::proportional(20.0), color: COLOR_DARK, .. Default::default() }); job.wrap = TextWrapping { max_rows: 1, break_anywhere: false, overflow_character: Option::from('﹍'), ..Default::default() }; ui.label(job); }); } } }