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WIP: Allow panels to be moved

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Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2023-05-09 18:57:25 +02:00
parent 45df09245b
commit 8f12489937
6 changed files with 157 additions and 92 deletions
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161
crates/workspace/src/dock.rs
View file

@ -8,20 +8,25 @@ use settings::Settings;
use std::rc::Rc;
pub trait Panel: View {
fn should_activate_on_event(&self, _: &Self::Event, _: &AppContext) -> bool {
false
}
fn should_close_on_event(&self, _: &Self::Event, _: &AppContext) -> bool {
false
}
fn label(&self, _: &AppContext) -> Option<String> {
fn position(&self, cx: &WindowContext) -> DockPosition;
fn position_is_valid(&self, position: DockPosition) -> bool;
fn icon_path(&self) -> &'static str;
fn icon_tooltip(&self) -> String;
fn icon_label(&self, _: &AppContext) -> Option<String> {
None
}
fn should_change_position_on_event(&self, _: &Self::Event, _: &AppContext) -> bool;
fn should_activate_on_event(&self, _: &Self::Event, _: &AppContext) -> bool;
fn should_close_on_event(&self, _: &Self::Event, _: &AppContext) -> bool;
}
pub trait PanelHandle {
fn id(&self) -> usize;
fn label(&self, cx: &WindowContext) -> Option<String>;
fn position(&self, cx: &WindowContext) -> DockPosition;
fn position_is_valid(&self, position: DockPosition, cx: &WindowContext) -> bool;
fn icon_path(&self, cx: &WindowContext) -> &'static str;
fn icon_tooltip(&self, cx: &WindowContext) -> String;
fn icon_label(&self, cx: &WindowContext) -> Option<String>;
fn is_focused(&self, cx: &WindowContext) -> bool;
fn as_any(&self) -> &AnyViewHandle;
}
@ -34,8 +39,24 @@ where
self.id()
}
fn label(&self, cx: &WindowContext) -> Option<String> {
self.read(cx).label(cx)
fn position(&self, cx: &WindowContext) -> DockPosition {
self.read(cx).position(cx)
}
fn position_is_valid(&self, position: DockPosition, cx: &WindowContext) -> bool {
self.read(cx).position_is_valid(position)
}
fn icon_path(&self, cx: &WindowContext) -> &'static str {
self.read(cx).icon_path()
}
fn icon_tooltip(&self, cx: &WindowContext) -> String {
self.read(cx).icon_tooltip()
}
fn icon_label(&self, cx: &WindowContext) -> Option<String> {
self.read(cx).icon_label(cx)
}
fn is_focused(&self, cx: &WindowContext) -> bool {
@ -82,8 +103,6 @@ impl DockPosition {
}
struct Item {
icon_path: &'static str,
tooltip: String,
view: Rc<dyn PanelHandle>,
_subscriptions: [Subscription; 2],
}
@ -132,13 +151,7 @@ impl Dock {
cx.notify();
}
pub fn add_item<T: Panel>(
&mut self,
icon_path: &'static str,
tooltip: String,
view: ViewHandle<T>,
cx: &mut ViewContext<Self>,
) {
pub fn add_panel<T: Panel>(&mut self, view: ViewHandle<T>, cx: &mut ViewContext<Self>) {
let subscriptions = [
cx.observe(&view, |_, _, cx| cx.notify()),
cx.subscribe(&view, |this, view, event, cx| {
@ -157,8 +170,6 @@ impl Dock {
];
self.items.push(Item {
icon_path,
tooltip,
view: Rc::new(view),
_subscriptions: subscriptions,
});
@ -235,15 +246,15 @@ impl Entity for PanelButtons {
impl View for PanelButtons {
fn ui_name() -> &'static str {
"DockToggleButton"
"PanelButtons"
}
fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
let theme = &cx.global::<Settings>().theme;
let tooltip_style = theme.tooltip.clone();
let theme = &theme.workspace.status_bar.panel_buttons;
let dock = self.dock.read(cx);
let item_style = theme.button.clone();
let dock = self.dock.read(cx);
let active_ix = dock.active_item_ix;
let is_open = dock.is_open;
let dock_position = dock.position;
@ -253,69 +264,65 @@ impl View for PanelButtons {
DockPosition::Right => theme.group_right,
};
#[allow(clippy::needless_collect)]
let items = dock
.items
.iter()
.map(|item| (item.icon_path, item.tooltip.clone(), item.view.clone()))
.map(|item| item.view.clone())
.collect::<Vec<_>>();
Flex::row()
.with_children(items.into_iter().enumerate().map(
|(ix, (icon_path, tooltip, item_view))| {
let action = TogglePanel {
dock_position,
item_index: ix,
};
MouseEventHandler::<Self, _>::new(ix, cx, |state, cx| {
let is_active = is_open && ix == active_ix;
let style = item_style.style_for(state, is_active);
Flex::row()
.with_child(
Svg::new(icon_path)
.with_color(style.icon_color)
.constrained()
.with_width(style.icon_size)
.with_children(items.into_iter().enumerate().map(|(ix, view)| {
let action = TogglePanel {
dock_position,
item_index: ix,
};
MouseEventHandler::<Self, _>::new(ix, cx, |state, cx| {
let is_active = is_open && ix == active_ix;
let style = item_style.style_for(state, is_active);
Flex::row()
.with_child(
Svg::new(view.icon_path(cx))
.with_color(style.icon_color)
.constrained()
.with_width(style.icon_size)
.aligned(),
)
.with_children(if let Some(label) = view.icon_label(cx) {
Some(
Label::new(label, style.label.text.clone())
.contained()
.with_style(style.label.container)
.aligned(),
)
.with_children(if let Some(label) = item_view.label(cx) {
Some(
Label::new(label, style.label.text.clone())
.contained()
.with_style(style.label.container)
.aligned(),
)
} else {
None
})
.constrained()
.with_height(style.icon_size)
.contained()
.with_style(style.container)
})
.with_cursor_style(CursorStyle::PointingHand)
.on_click(MouseButton::Left, {
let action = action.clone();
move |_, this, cx| {
if let Some(workspace) = this.workspace.upgrade(cx) {
let action = action.clone();
cx.window_context().defer(move |cx| {
workspace.update(cx, |workspace, cx| {
workspace.toggle_panel(&action, cx)
});
} else {
None
})
.constrained()
.with_height(style.icon_size)
.contained()
.with_style(style.container)
})
.with_cursor_style(CursorStyle::PointingHand)
.on_click(MouseButton::Left, {
let action = action.clone();
move |_, this, cx| {
if let Some(workspace) = this.workspace.upgrade(cx) {
let action = action.clone();
cx.window_context().defer(move |cx| {
workspace.update(cx, |workspace, cx| {
workspace.toggle_panel(&action, cx)
});
}
});
}
})
.with_tooltip::<Self>(
ix,
tooltip,
Some(Box::new(action)),
tooltip_style.clone(),
cx,
)
},
))
}
})
.with_tooltip::<Self>(
ix,
view.icon_tooltip(cx),
Some(Box::new(action)),
tooltip_style.clone(),
cx,
)
}))
.contained()
.with_style(group_style)
.into_any()