gpui-component/crates/app/src/story_workspace.rs
Jason Lee ca5a0e02d5
dock: Add to support save left, right, bottom dock state. (#303)
The dock state have been updated to use `DockAreaState`.
2024-10-03 17:25:31 +08:00

414 lines
16 KiB
Rust

use anyhow::{Context, Result};
use gpui::*;
use prelude::FluentBuilder as _;
use serde::Deserialize;
use std::{sync::Arc, time::Duration};
use story::{
ButtonStory, CalendarStory, DropdownStory, IconStory, ImageStory, InputStory, ListStory,
ModalStory, PopupStory, ProgressStory, ResizableStory, ScrollableStory, StoryContainer,
SwitchStory, TableStory, TextStory, TooltipStory,
};
use ui::{
button::{Button, ButtonStyled as _},
color_picker::{ColorPicker, ColorPickerEvent},
dock::{DockArea, DockAreaState, DockEvent, DockItem, PanelView},
h_flex,
popup_menu::PopupMenuExt,
theme::{ActiveTheme, Colorize as _, Theme},
ContextModal, IconName, Root, Sizable,
};
use workspace::TitleBar;
use crate::app_state::AppState;
#[derive(Clone, PartialEq, Eq, Deserialize)]
struct SelectLocale(SharedString);
impl_actions!(locale_switcher, [SelectLocale]);
actions!(workspace, [Open, CloseWindow]);
pub fn init(_app_state: Arc<AppState>, cx: &mut AppContext) {
cx.on_action(|_action: &Open, _cx: &mut AppContext| {});
ui::init(cx);
story::init(cx);
}
pub struct StoryWorkspace {
dock_area: View<DockArea>,
locale_selector: View<LocaleSelector>,
theme_color_picker: View<ColorPicker>,
last_layout_state: Option<DockAreaState>,
_save_layout_task: Option<Task<()>>,
}
impl StoryWorkspace {
pub fn new(_app_state: Arc<AppState>, cx: &mut ViewContext<Self>) -> Self {
cx.observe_window_appearance(|_, cx| {
Theme::sync_system_appearance(cx);
})
.detach();
let dock_area = cx.new_view(|cx| DockArea::new("main-dock", cx));
let weak_dock_area = dock_area.downgrade();
match Self::load_layout(dock_area.clone(), cx) {
Ok(_) => {
println!("load layout success");
}
Err(err) => {
eprintln!("load layout error: {:?}", err);
let dock_item = Self::init_default_layout(&weak_dock_area, cx);
let left_panels: Vec<Arc<dyn PanelView>> =
vec![Arc::new(StoryContainer::panel::<ListStory>(cx))];
let bottom_panels: Vec<Arc<dyn PanelView>> = vec![
Arc::new(StoryContainer::panel::<TextStory>(cx)),
Arc::new(StoryContainer::panel::<IconStory>(cx)),
];
let right_panels: Vec<Arc<dyn PanelView>> =
vec![Arc::new(StoryContainer::panel::<ImageStory>(cx))];
_ = dock_area.update(cx, |view, cx| {
view.set_root(dock_item, cx);
view.set_left_dock(left_panels, Some(px(350.)), cx);
view.set_bottom_dock(bottom_panels, Some(px(200.)), cx);
view.set_right_dock(right_panels, Some(px(320.)), cx);
});
}
};
cx.subscribe(&dock_area, |this, dock_area, ev: &DockEvent, cx| match ev {
DockEvent::LayoutChanged => this.save_layout(dock_area, cx),
})
.detach();
cx.on_app_quit({
let dock_area = dock_area.clone();
move |cx| {
let state = dock_area.read(cx).dump(cx);
cx.background_executor().spawn(async move {
// Save layout before quitting
Self::save_state(&state).unwrap();
})
}
})
.detach();
let locale_selector = cx.new_view(LocaleSelector::new);
let theme_color_picker = cx.new_view(|cx| {
let mut picker = ColorPicker::new("theme-color-picker", cx)
.xsmall()
.anchor(AnchorCorner::TopRight)
.label("Primary Color");
picker.set_value(cx.theme().primary, cx);
picker
});
cx.subscribe(
&theme_color_picker,
|_, _, ev: &ColorPickerEvent, cx| match ev {
ColorPickerEvent::Change(color) => {
if let Some(color) = color {
let theme = cx.global_mut::<Theme>();
theme.primary = *color;
theme.primary_hover = color.lighten(0.1);
theme.primary_active = color.darken(0.1);
cx.refresh();
}
}
},
)
.detach();
Self {
dock_area,
locale_selector,
theme_color_picker,
last_layout_state: None,
_save_layout_task: None,
}
}
fn save_layout(&mut self, dock_area: View<DockArea>, cx: &mut ViewContext<Self>) {
self._save_layout_task = Some(cx.spawn(|this, mut cx| async move {
Timer::after(Duration::from_secs(10)).await;
let _ = cx.update(|cx| {
let dock_area = dock_area.read(cx);
let state = dock_area.dump(cx);
let last_layout_state = this.upgrade().unwrap().read(cx).last_layout_state.clone();
if Some(&state) == last_layout_state.as_ref() {
return;
}
Self::save_state(&state).unwrap();
let _ = this.update(cx, |this, _| {
this.last_layout_state = Some(state);
});
});
}));
}
fn save_state(state: &DockAreaState) -> Result<()> {
println!("Save layout...");
let json = serde_json::to_string_pretty(state)?;
std::fs::write("layout.json", json)?;
Ok(())
}
fn load_layout(dock_area: View<DockArea>, cx: &mut WindowContext) -> Result<()> {
let fname = "layout.json";
let json = std::fs::read_to_string(fname)?;
let state = serde_json::from_str::<DockAreaState>(&json)?;
dock_area.update(cx, |dock_area, cx| {
dock_area.load(state, cx).context("load layout")?;
Ok::<(), anyhow::Error>(())
})
}
fn init_default_layout(dock_area: &WeakView<DockArea>, cx: &mut WindowContext) -> DockItem {
DockItem::split_with_sizes(
Axis::Vertical,
vec![DockItem::tabs(
vec![
Arc::new(StoryContainer::panel::<ButtonStory>(cx)),
Arc::new(StoryContainer::panel::<InputStory>(cx)),
Arc::new(StoryContainer::panel::<TextStory>(cx)),
Arc::new(StoryContainer::panel::<DropdownStory>(cx)),
Arc::new(StoryContainer::panel::<ModalStory>(cx)),
Arc::new(StoryContainer::panel::<PopupStory>(cx)),
Arc::new(StoryContainer::panel::<SwitchStory>(cx)),
Arc::new(StoryContainer::panel::<ProgressStory>(cx)),
Arc::new(StoryContainer::panel::<TableStory>(cx)),
Arc::new(StoryContainer::panel::<ImageStory>(cx)),
Arc::new(StoryContainer::panel::<IconStory>(cx)),
Arc::new(StoryContainer::panel::<TooltipStory>(cx)),
Arc::new(StoryContainer::panel::<ProgressStory>(cx)),
Arc::new(StoryContainer::panel::<CalendarStory>(cx)),
Arc::new(StoryContainer::panel::<ResizableStory>(cx)),
Arc::new(StoryContainer::panel::<ScrollableStory>(cx)),
],
None,
&dock_area,
cx,
)],
vec![None],
&dock_area,
cx,
)
}
pub fn new_local(
app_state: Arc<AppState>,
cx: &mut AppContext,
) -> Task<anyhow::Result<WindowHandle<Root>>> {
let window_bounds = Bounds::centered(None, size(px(1600.0), px(1200.0)), cx);
cx.spawn(|mut cx| async move {
let options = WindowOptions {
window_bounds: Some(WindowBounds::Windowed(window_bounds)),
titlebar: Some(TitlebarOptions {
title: None,
appears_transparent: true,
traffic_light_position: Some(point(px(9.0), px(9.0))),
}),
window_min_size: Some(gpui::Size {
width: px(640.),
height: px(480.),
}),
kind: WindowKind::Normal,
..Default::default()
};
let window = cx.open_window(options, |cx| {
let story_view = cx.new_view(|cx| Self::new(app_state.clone(), cx));
cx.new_view(|cx| Root::new(story_view.into(), cx))
})?;
window
.update(&mut cx, |_, cx| {
cx.activate_window();
cx.set_window_title("GPUI App");
cx.on_release(|_, _, cx| {
// exit app
cx.quit();
})
.detach();
})
.expect("failed to update window");
Ok(window)
})
}
}
pub fn open_new(
app_state: Arc<AppState>,
cx: &mut AppContext,
init: impl FnOnce(&mut Root, &mut ViewContext<Root>) + 'static + Send,
) -> Task<()> {
let task: Task<std::result::Result<WindowHandle<Root>, anyhow::Error>> =
StoryWorkspace::new_local(app_state, cx);
cx.spawn(|mut cx| async move {
if let Some(root) = task.await.ok() {
root.update(&mut cx, |workspace, cx| init(workspace, cx))
.expect("failed to init workspace");
}
})
}
impl Render for StoryWorkspace {
fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
let drawer_layer = Root::render_drawer_layer(cx);
let modal_layer = Root::render_modal_layer(cx);
let notification_layer = Root::render_notification_layer(cx);
let notifications_count = cx.notifications().len();
div()
.font_family(".SystemUIFont")
.relative()
.size_full()
.flex()
.flex_col()
.bg(cx.theme().background)
.text_color(cx.theme().foreground)
.child(
TitleBar::new("main-title", Box::new(CloseWindow))
.when(cfg!(not(windows)), |this| {
this.on_click(|event, cx| {
if event.up.click_count == 2 {
cx.zoom_window();
}
})
})
// left side
.child(div().flex().items_center().child("GPUI App"))
.child(
div()
.flex()
.items_center()
.justify_end()
.px_2()
.gap_2()
.child(self.theme_color_picker.clone())
.child(
Button::new("theme-mode")
.map(|this| {
if cx.theme().mode.is_dark() {
this.icon(IconName::Sun)
} else {
this.icon(IconName::Moon)
}
})
.small()
.ghost()
.on_click(move |_, cx| {
let mode = match cx.theme().mode.is_dark() {
true => ui::theme::ThemeMode::Light,
false => ui::theme::ThemeMode::Dark,
};
Theme::change(mode, cx);
}),
)
.child(self.locale_selector.clone())
.child(
Button::new("github")
.icon(IconName::GitHub)
.small()
.ghost()
.on_click(|_, cx| {
cx.open_url("https://github.com/huacnlee/gpui-component")
}),
)
.child(
div()
.relative()
.child(
Button::new("bell")
.small()
.ghost()
.compact()
.icon(IconName::Bell),
)
.when(notifications_count > 0, |this| {
this.child(
h_flex()
.absolute()
.rounded_full()
.top(px(-2.))
.right(px(-2.))
.p(px(1.))
.min_w(px(12.))
.bg(ui::red_500())
.text_color(ui::white())
.justify_center()
.text_size(px(10.))
.line_height(relative(1.))
.child(format!("{}", notifications_count.min(99))),
)
}),
),
),
)
.child(self.dock_area.clone())
.children(drawer_layer)
.children(modal_layer)
.child(div().absolute().top_8().children(notification_layer))
}
}
struct LocaleSelector {
focus_handle: FocusHandle,
}
impl LocaleSelector {
pub fn new(cx: &mut ViewContext<Self>) -> Self {
Self {
focus_handle: cx.focus_handle(),
}
}
fn on_select_locale(&mut self, locale: &SelectLocale, cx: &mut ViewContext<Self>) {
ui::set_locale(&locale.0);
cx.refresh();
}
}
impl Render for LocaleSelector {
fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
let focus_handle = self.focus_handle.clone();
let locale = ui::locale().to_string();
div()
.id("locale-selector")
.track_focus(&focus_handle)
.on_action(cx.listener(Self::on_select_locale))
.child(
Button::new("btn")
.small()
.ghost()
.icon(IconName::Globe)
.popup_menu(move |this, _| {
this.menu_with_check(
"English",
locale == "en",
Box::new(SelectLocale("en".into())),
)
.menu_with_check(
"简体中文",
locale == "zh-CN",
Box::new(SelectLocale("zh-CN".into())),
)
})
.anchor(AnchorCorner::TopRight),
)
}
}