ZIm/crates/ui2/src/components/context_menu.rs
Kirill Bulatov ab0a3f19ab Add an actual context menu into terminal-2
(click the text, not the pane!)

Co-Authored-By: Piotr <piotr@zed.dev>
2023-11-16 16:36:44 +02:00

113 lines
3.5 KiB
Rust

use crate::{prelude::*, ListItemVariant};
use crate::{v_stack, Label, List, ListEntry, ListItem, ListSeparator, ListSubHeader};
pub enum ContextMenuItem {
Header(SharedString),
Entry(Label, Box<dyn gpui::Action>),
Separator,
}
impl Clone for ContextMenuItem {
fn clone(&self) -> Self {
match self {
ContextMenuItem::Header(name) => ContextMenuItem::Header(name.clone()),
ContextMenuItem::Entry(label, action) => {
ContextMenuItem::Entry(label.clone(), action.boxed_clone())
}
ContextMenuItem::Separator => ContextMenuItem::Separator,
}
}
}
impl ContextMenuItem {
fn to_list_item<V: 'static>(self) -> ListItem {
match self {
ContextMenuItem::Header(label) => ListSubHeader::new(label).into(),
ContextMenuItem::Entry(label, action) => ListEntry::new(label)
.variant(ListItemVariant::Inset)
.on_click(action)
.into(),
ContextMenuItem::Separator => ListSeparator::new().into(),
}
}
pub fn header(label: impl Into<SharedString>) -> Self {
Self::Header(label.into())
}
pub fn separator() -> Self {
Self::Separator
}
pub fn entry(label: Label, action: impl Action) -> Self {
Self::Entry(label, Box::new(action))
}
}
#[derive(Component, Clone)]
pub struct ContextMenu {
items: Vec<ContextMenuItem>,
}
impl ContextMenu {
pub fn new(items: impl IntoIterator<Item = ContextMenuItem>) -> Self {
Self {
items: items.into_iter().collect(),
}
}
// todo!()
// cx.add_action(ContextMenu::select_first);
// cx.add_action(ContextMenu::select_last);
// cx.add_action(ContextMenu::select_next);
// cx.add_action(ContextMenu::select_prev);
// cx.add_action(ContextMenu::confirm);
fn render<V: 'static>(self, _view: &mut V, cx: &mut ViewContext<V>) -> impl Component<V> {
v_stack()
.flex()
.bg(cx.theme().colors().elevated_surface_background)
.border()
.border_color(cx.theme().colors().border)
.child(List::new(
self.items
.into_iter()
.map(ContextMenuItem::to_list_item::<V>)
.collect(),
))
.on_mouse_down_out(|_, _, cx| cx.dispatch_action(Box::new(menu::Cancel)))
}
}
use gpui::Action;
#[cfg(feature = "stories")]
pub use stories::*;
#[cfg(feature = "stories")]
mod stories {
use super::*;
use crate::story::Story;
use gpui::{action, Div, Render};
pub struct ContextMenuStory;
impl Render for ContextMenuStory {
type Element = Div<Self>;
fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
#[action]
struct PrintCurrentDate {}
Story::container(cx)
.child(Story::title_for::<_, ContextMenu>(cx))
.child(Story::label(cx, "Default"))
.child(ContextMenu::new([
ContextMenuItem::header("Section header"),
ContextMenuItem::Separator,
ContextMenuItem::entry(Label::new("Print current time"), PrintCurrentDate {}),
]))
.on_action(|_, _: &PrintCurrentDate, _| {
if let Ok(unix_time) = std::time::UNIX_EPOCH.elapsed() {
println!("Current Unix time is {:?}", unix_time.as_secs());
}
})
}
}
}