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Code Issues Projects Releases Packages Wiki Activity Actions 6

Perform scroll interactions through the ListState

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This commit is contained in:
Marshall Bowers 2023-12-15 12:10:40 -05:00
parent 6c10ff8548
commit b478a4c4d5
1 changed files with 32 additions and 21 deletions
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53
crates/collab_ui2/src/collab_panel.rs
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@ -178,9 +178,10 @@ use gpui::{
actions, canvas, div, fill, img, impl_actions, list, overlay, point, prelude::*, px, rems,
serde_json, size, Action, AnyElement, AppContext, AsyncWindowContext, Bounds, ClipboardItem,
DismissEvent, Div, EventEmitter, FocusHandle, Focusable, FocusableView, Hsla,
InteractiveElement, IntoElement, Length, ListState, Model, MouseDownEvent, ParentElement,
Pixels, Point, PromptLevel, Quad, Render, RenderOnce, ScrollHandle, SharedString, Size,
Stateful, Styled, Subscription, Task, View, ViewContext, VisualContext, WeakView,
InteractiveElement, IntoElement, Length, ListOffset, ListState, Model, MouseDownEvent,
ParentElement, Pixels, Point, PromptLevel, Quad, Render, RenderOnce, ScrollHandle,
SharedString, Size, Stateful, Styled, Subscription, Task, View, ViewContext, VisualContext,
WeakView,
};
use project::{Fs, Project};
use serde_derive::{Deserialize, Serialize};
@ -314,7 +315,6 @@ pub struct CollabPanel {
client: Arc<Client>,
project: Model<Project>,
match_candidates: Vec<StringMatchCandidate>,
scroll_handle: ScrollHandle,
subscriptions: Vec<Subscription>,
collapsed_sections: Vec<Section>,
collapsed_channels: Vec<ChannelId>,
@ -469,7 +469,6 @@ impl CollabPanel {
project: workspace.project().clone(),
subscriptions: Vec::default(),
match_candidates: Vec::default(),
scroll_handle: ScrollHandle::new(),
collapsed_sections: vec![Section::Offline],
collapsed_channels: Vec::default(),
workspace: workspace.weak_handle(),
@ -585,6 +584,13 @@ impl CollabPanel {
);
}
fn scroll_to_item(&mut self, ix: usize) {
self.list_state.scroll_to(ListOffset {
item_ix: ix,
offset_in_item: px(0.),
})
}
fn update_entries(&mut self, select_same_item: bool, cx: &mut ViewContext<Self>) {
let channel_store = self.channel_store.read(cx);
let user_store = self.user_store.read(cx);
@ -968,7 +974,7 @@ impl CollabPanel {
for (ix, entry) in self.entries.iter().enumerate() {
if *entry == prev_selected_entry {
self.selection = Some(ix);
self.scroll_handle.scroll_to_item(ix);
self.scroll_to_item(ix);
break;
}
}
@ -979,16 +985,19 @@ impl CollabPanel {
None
} else {
let ix = prev_selection.min(self.entries.len() - 1);
self.scroll_handle.scroll_to_item(ix);
self.scroll_to_item(ix);
Some(ix)
}
});
}
if scroll_to_top {
self.scroll_handle.scroll_to_item(0)
self.scroll_to_item(0)
} else {
let (old_index, old_offset) = self.scroll_handle.logical_scroll_top();
let ListOffset {
item_ix: old_index,
offset_in_item: old_offset,
} = self.list_state.logical_scroll_top();
// Attempt to maintain the same scroll position.
if let Some(old_top_entry) = old_entries.get(old_index) {
let (new_index, new_offset) = self
@ -1014,8 +1023,9 @@ impl CollabPanel {
})
.unwrap_or_else(|| (old_index, old_offset));
self.scroll_handle
.set_logical_scroll_top(new_index, new_offset);
// TODO: How to handle this with `list`?
// self.scroll_handle
// .set_logical_scroll_top(new_index, new_offset);
}
}
@ -1506,7 +1516,7 @@ impl CollabPanel {
}
if let Some(ix) = self.selection {
self.scroll_handle.scroll_to_item(ix)
self.scroll_to_item(ix)
}
cx.notify();
}
@ -1518,7 +1528,7 @@ impl CollabPanel {
}
if let Some(ix) = self.selection {
self.scroll_handle.scroll_to_item(ix)
self.scroll_to_item(ix)
}
cx.notify();
}
@ -1841,14 +1851,15 @@ impl CollabPanel {
let Some(channel) = self.selected_channel() else {
return;
};
let Some(bounds) = self
.selection
.and_then(|ix| self.scroll_handle.bounds_for_item(ix))
else {
return;
};
self.deploy_channel_context_menu(bounds.center(), channel.id, self.selection.unwrap(), cx);
// TODO: How to handle now that we're using `list`?
// let Some(bounds) = self
// .selection
// .and_then(|ix| self.scroll_handle.bounds_for_item(ix))
// else {
// return;
// };
//
// self.deploy_channel_context_menu(bounds.center(), channel.id, self.selection.unwrap(), cx);
cx.stop_propagation();
}