104 lines
3.5 KiB
Rust
104 lines
3.5 KiB
Rust
use egui::{
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Button, CentralPanel, Context, Event, KeyboardShortcut, Label, Layout, Ui, ViewportBuilder,
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ViewportId,
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};
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use egui_extras::{Column, TableBuilder};
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use crate::input::{Command, ShortcutProvider};
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use super::AppWindow;
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pub struct ShortcutsWindow {
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shortcuts: ShortcutProvider,
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now_binding: Option<Command>,
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}
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impl ShortcutsWindow {
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pub fn new(shortcuts: ShortcutProvider) -> Self {
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Self {
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shortcuts,
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now_binding: None,
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}
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}
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fn show_shortcuts(&mut self, ui: &mut Ui) {
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ui.horizontal(|ui| {
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if ui.button("Use defaults").clicked() {
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self.shortcuts.reset();
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}
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});
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ui.separator();
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let row_height = ui.spacing().interact_size.y;
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let width = ui.available_width() - 20.0;
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TableBuilder::new(ui)
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.column(Column::exact(width * 0.3))
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.column(Column::exact(width * 0.5))
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.column(Column::exact(width * 0.2))
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.cell_layout(Layout::left_to_right(egui::Align::Center))
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.body(|mut body| {
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for command in Command::all() {
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body.row(row_height, |mut row| {
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row.col(|ui| {
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ui.add_sized(ui.available_size(), Label::new(command.name()));
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});
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row.col(|ui| {
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let button = if self.now_binding == Some(command) {
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Button::new("Binding...")
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} else if let Some(shortcut) = self.shortcuts.shortcut_for(command) {
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Button::new(ui.ctx().format_shortcut(&shortcut))
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} else {
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Button::new("")
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};
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if ui.add_sized(ui.available_size(), button).clicked() {
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self.now_binding = Some(command);
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}
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});
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row.col(|ui| {
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if ui
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.add_sized(ui.available_size(), Button::new("Clear"))
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.clicked()
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{
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self.shortcuts.unset(command);
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self.now_binding = None;
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}
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});
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});
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}
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});
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if let Some(command) = self.now_binding {
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if let Some(shortcut) = ui.input_mut(|i| {
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i.events.iter().find_map(|event| match event {
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Event::Key {
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key,
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pressed: true,
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modifiers,
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..
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} => Some(KeyboardShortcut::new(*modifiers, *key)),
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_ => None,
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})
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}) {
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self.shortcuts.set(command, shortcut);
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self.now_binding = None;
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}
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}
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}
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}
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impl AppWindow for ShortcutsWindow {
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fn viewport_id(&self) -> ViewportId {
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ViewportId::from_hash_of("shortcuts")
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}
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fn initial_viewport(&self) -> ViewportBuilder {
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ViewportBuilder::default()
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.with_title("Keyboard Shortcuts")
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.with_inner_size((400.0, 400.0))
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}
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fn show(&mut self, ctx: &Context) {
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CentralPanel::default().show(ctx, |ui| {
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self.show_shortcuts(ui);
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});
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}
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}
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