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Enable and disable nav buttons based on pane's navigation stack

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Also, make the `NavHistory` type private to the `workspace` crate.
Expose only the `ItemNavHistory` type, via a method on Pane called
`nav_history_for_item`.
This commit is contained in:
Max Brunsfeld
2022-07-06 15:46:43 -07:00
parent 7e5cf6669f
commit a378ec49ec
6 changed files with 163 additions and 100 deletions
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crates/editor/src/editor.rs
+34 -23
View File
@@ -4065,13 +4065,16 @@ impl Editor {
}
}
nav_history.push(Some(NavigationData {
cursor_anchor: position,
cursor_position: point,
scroll_position: self.scroll_position,
scroll_top_anchor: self.scroll_top_anchor.clone(),
scroll_top_row,
}));
nav_history.push(
Some(NavigationData {
cursor_anchor: position,
cursor_position: point,
scroll_position: self.scroll_position,
scroll_top_anchor: self.scroll_top_anchor.clone(),
scroll_top_row,
}),
cx,
);
}
}
@@ -4669,7 +4672,7 @@ impl Editor {
definitions: Vec<LocationLink>,
cx: &mut ViewContext<Workspace>,
) {
let nav_history = workspace.active_pane().read(cx).nav_history().clone();
let pane = workspace.active_pane().clone();
for definition in definitions {
let range = definition
.target
@@ -4681,13 +4684,13 @@ impl Editor {
// When selecting a definition in a different buffer, disable the nav history
// to avoid creating a history entry at the previous cursor location.
if editor_handle != target_editor_handle {
nav_history.borrow_mut().disable();
pane.update(cx, |pane, _| pane.disable_history());
}
target_editor.change_selections(Some(Autoscroll::Center), cx, |s| {
s.select_ranges([range]);
});
nav_history.borrow_mut().enable();
pane.update(cx, |pane, _| pane.enable_history());
});
}
}
@@ -5641,8 +5644,8 @@ impl Editor {
editor_handle.update(cx, |editor, cx| {
editor.push_to_nav_history(editor.selections.newest_anchor().head(), None, cx);
});
let nav_history = workspace.active_pane().read(cx).nav_history().clone();
nav_history.borrow_mut().disable();
let pane = workspace.active_pane().clone();
pane.update(cx, |pane, _| pane.disable_history());
// We defer the pane interaction because we ourselves are a workspace item
// and activating a new item causes the pane to call a method on us reentrantly,
@@ -5657,7 +5660,7 @@ impl Editor {
});
}
nav_history.borrow_mut().enable();
pane.update(cx, |pane, _| pane.enable_history());
});
}
@@ -6241,7 +6244,7 @@ mod tests {
assert_set_eq,
test::{marked_text_by, marked_text_ranges, marked_text_ranges_by, sample_text},
};
use workspace::{FollowableItem, ItemHandle};
use workspace::{FollowableItem, ItemHandle, NavigationEntry, Pane};
#[gpui::test]
fn test_edit_events(cx: &mut MutableAppContext) {
@@ -6589,12 +6592,20 @@ mod tests {
fn test_navigation_history(cx: &mut gpui::MutableAppContext) {
cx.set_global(Settings::test(cx));
use workspace::Item;
let nav_history = Rc::new(RefCell::new(workspace::NavHistory::default()));
let pane = cx.add_view(Default::default(), |cx| Pane::new(cx));
let buffer = MultiBuffer::build_simple(&sample_text(300, 5, 'a'), cx);
cx.add_window(Default::default(), |cx| {
let mut editor = build_editor(buffer.clone(), cx);
editor.nav_history = Some(ItemNavHistory::new(nav_history.clone(), &cx.handle()));
let handle = cx.handle();
editor.set_nav_history(Some(pane.read(cx).nav_history_for_item(&handle)));
fn pop_history(
editor: &mut Editor,
cx: &mut MutableAppContext,
) -> Option<NavigationEntry> {
editor.nav_history.as_mut().unwrap().pop_backward(cx)
}
// Move the cursor a small distance.
// Nothing is added to the navigation history.
@@ -6604,21 +6615,21 @@ mod tests {
editor.change_selections(None, cx, |s| {
s.select_display_ranges([DisplayPoint::new(3, 0)..DisplayPoint::new(3, 0)])
});
assert!(nav_history.borrow_mut().pop_backward().is_none());
assert!(pop_history(&mut editor, cx).is_none());
// Move the cursor a large distance.
// The history can jump back to the previous position.
editor.change_selections(None, cx, |s| {
s.select_display_ranges([DisplayPoint::new(13, 0)..DisplayPoint::new(13, 3)])
});
let nav_entry = nav_history.borrow_mut().pop_backward().unwrap();
let nav_entry = pop_history(&mut editor, cx).unwrap();
editor.navigate(nav_entry.data.unwrap(), cx);
assert_eq!(nav_entry.item.id(), cx.view_id());
assert_eq!(
editor.selections.display_ranges(cx),
&[DisplayPoint::new(3, 0)..DisplayPoint::new(3, 0)]
);
assert!(nav_history.borrow_mut().pop_backward().is_none());
assert!(pop_history(&mut editor, cx).is_none());
// Move the cursor a small distance via the mouse.
// Nothing is added to the navigation history.
@@ -6628,7 +6639,7 @@ mod tests {
editor.selections.display_ranges(cx),
&[DisplayPoint::new(5, 0)..DisplayPoint::new(5, 0)]
);
assert!(nav_history.borrow_mut().pop_backward().is_none());
assert!(pop_history(&mut editor, cx).is_none());
// Move the cursor a large distance via the mouse.
// The history can jump back to the previous position.
@@ -6638,14 +6649,14 @@ mod tests {
editor.selections.display_ranges(cx),
&[DisplayPoint::new(15, 0)..DisplayPoint::new(15, 0)]
);
let nav_entry = nav_history.borrow_mut().pop_backward().unwrap();
let nav_entry = pop_history(&mut editor, cx).unwrap();
editor.navigate(nav_entry.data.unwrap(), cx);
assert_eq!(nav_entry.item.id(), cx.view_id());
assert_eq!(
editor.selections.display_ranges(cx),
&[DisplayPoint::new(5, 0)..DisplayPoint::new(5, 0)]
);
assert!(nav_history.borrow_mut().pop_backward().is_none());
assert!(pop_history(&mut editor, cx).is_none());
// Set scroll position to check later
editor.set_scroll_position(Vector2F::new(5.5, 5.5), cx);
@@ -6658,7 +6669,7 @@ mod tests {
assert_ne!(editor.scroll_position, original_scroll_position);
assert_ne!(editor.scroll_top_anchor, original_scroll_top_anchor);
let nav_entry = nav_history.borrow_mut().pop_backward().unwrap();
let nav_entry = pop_history(&mut editor, cx).unwrap();
editor.navigate(nav_entry.data.unwrap(), cx);
assert_eq!(editor.scroll_position, original_scroll_position);
assert_eq!(editor.scroll_top_anchor, original_scroll_top_anchor);