Detailed changes
@@ -9,13 +9,13 @@ use editor::{
Autoscroll, BuildSettings, Editor, ExcerptId, ExcerptProperties, MultiBuffer, ToOffset,
};
use gpui::{
- action, elements::*, keymap::Binding, AppContext, Entity, ModelHandle, MutableAppContext,
- RenderContext, Task, View, ViewContext, ViewHandle, WeakViewHandle,
+ action, elements::*, keymap::Binding, AnyViewHandle, AppContext, Entity, ModelHandle,
+ MutableAppContext, RenderContext, Task, View, ViewContext, ViewHandle, WeakViewHandle,
};
use language::{Bias, Buffer, Diagnostic, DiagnosticEntry, Point, Selection, SelectionGoal};
use postage::watch;
use project::{Project, ProjectPath};
-use std::{cmp::Ordering, mem, ops::Range, path::PathBuf, rc::Rc, sync::Arc};
+use std::{any::TypeId, cmp::Ordering, mem, ops::Range, path::PathBuf, rc::Rc, sync::Arc};
use util::TryFutureExt;
use workspace::{NavHistory, Workspace};
@@ -194,7 +194,6 @@ impl ProjectDiagnosticsEditor {
}
let editor = workspace
.open_item(buffer, cx)
- .to_any()
.downcast::<Editor>()
.unwrap();
editor.update(cx, |editor, cx| {
@@ -595,6 +594,21 @@ impl workspace::ItemView for ProjectDiagnosticsEditor {
cx,
))
}
+
+ fn act_as_type(
+ &self,
+ type_id: TypeId,
+ self_handle: &ViewHandle<Self>,
+ _: &AppContext,
+ ) -> Option<AnyViewHandle> {
+ if type_id == TypeId::of::<Self>() {
+ Some(self_handle.into())
+ } else if type_id == TypeId::of::<Editor>() {
+ Some((&self.editor).into())
+ } else {
+ None
+ }
+ }
}
fn path_header_renderer(buffer: ModelHandle<Buffer>, build_settings: BuildSettings) -> RenderBlock {
@@ -2992,11 +2992,17 @@ impl Editor {
_: &GoToDefinition,
cx: &mut ViewContext<Workspace>,
) {
- let editor = workspace
- .active_item(cx)
- .and_then(|item| item.to_any().downcast::<Self>())
- .unwrap()
- .read(cx);
+ let active_item = workspace.active_item(cx);
+ let editor = if let Some(editor) = active_item
+ .as_ref()
+ .and_then(|item| item.act_as::<Self>(cx))
+ {
+ editor
+ } else {
+ return;
+ };
+
+ let editor = editor.read(cx);
let buffer = editor.buffer.read(cx);
let head = editor.newest_selection::<usize>(&buffer.read(cx)).head();
let (buffer, head) = editor.buffer.read(cx).text_anchor_for_position(head, cx);
@@ -3012,7 +3018,6 @@ impl Editor {
.to_offset(definition.target_buffer.read(cx));
let target_editor = workspace
.open_item(BufferItemHandle(definition.target_buffer), cx)
- .to_any()
.downcast::<Self>()
.unwrap();
target_editor.update(cx, |target_editor, cx| {
@@ -279,7 +279,7 @@ impl StatusItemView for CursorPosition {
active_pane_item: Option<&dyn ItemViewHandle>,
cx: &mut ViewContext<Self>,
) {
- if let Some(editor) = active_pane_item.and_then(|item| item.to_any().downcast::<Editor>()) {
+ if let Some(editor) = active_pane_item.and_then(|item| item.downcast::<Editor>()) {
self._observe_active_editor = Some(cx.observe(&editor, Self::update_position));
self.update_position(editor, cx);
} else {
@@ -365,7 +365,7 @@ impl StatusItemView for DiagnosticMessage {
active_pane_item: Option<&dyn ItemViewHandle>,
cx: &mut ViewContext<Self>,
) {
- if let Some(editor) = active_pane_item.and_then(|item| item.to_any().downcast::<Editor>()) {
+ if let Some(editor) = active_pane_item.and_then(|item| item.downcast::<Editor>()) {
self._observe_active_editor = Some(cx.observe(&editor, Self::update));
self.update(editor, cx);
} else {
@@ -80,17 +80,13 @@ impl GoToLine {
}
fn toggle(workspace: &mut Workspace, _: &Toggle, cx: &mut ViewContext<Workspace>) {
- workspace.toggle_modal(cx, |cx, workspace| {
- let editor = workspace
- .active_item(cx)
- .unwrap()
- .to_any()
- .downcast::<Editor>()
- .unwrap();
- let view = cx.add_view(|cx| GoToLine::new(editor, workspace.settings.clone(), cx));
- cx.subscribe(&view, Self::on_event).detach();
- view
- });
+ if let Some(editor) = workspace.active_item(cx).unwrap().downcast::<Editor>() {
+ workspace.toggle_modal(cx, |cx, workspace| {
+ let view = cx.add_view(|cx| GoToLine::new(editor, workspace.settings.clone(), cx));
+ cx.subscribe(&view, Self::on_event).detach();
+ view
+ });
+ }
}
fn confirm(&mut self, _: &Confirm, cx: &mut ViewContext<Self>) {
@@ -55,7 +55,7 @@ pub fn new_journal_entry(app_state: Arc<AppState>, cx: &mut MutableAppContext) {
.await;
if let Some(Some(Ok(item))) = opened.first() {
- if let Some(editor) = item.to_any().downcast::<Editor>() {
+ if let Some(editor) = item.downcast::<Editor>() {
editor.update(&mut cx, |editor, cx| {
let len = editor.buffer().read(cx).read(cx).len();
editor.select_ranges([len..len], Some(Autoscroll::Center), cx);
@@ -144,7 +144,7 @@ impl OutlineView {
fn toggle(workspace: &mut Workspace, _: &Toggle, cx: &mut ViewContext<Workspace>) {
if let Some(editor) = workspace
.active_item(cx)
- .and_then(|item| item.to_any().downcast::<Editor>())
+ .and_then(|item| item.downcast::<Editor>())
{
let settings = workspace.settings();
let buffer = editor
@@ -351,7 +351,7 @@ impl Pane {
fn focus_active_item(&mut self, cx: &mut ViewContext<Self>) {
if let Some(active_item) = self.active_item() {
- cx.focus(active_item.to_any());
+ cx.focus(active_item);
}
}
@@ -33,7 +33,7 @@ use sidebar::{Side, Sidebar, SidebarItemId, ToggleSidebarItem, ToggleSidebarItem
use status_bar::StatusBar;
pub use status_bar::StatusItemView;
use std::{
- any::Any,
+ any::{Any, TypeId},
future::Future,
hash::{Hash, Hasher},
path::{Path, PathBuf},
@@ -185,6 +185,18 @@ pub trait ItemView: View {
fn should_update_tab_on_event(_: &Self::Event) -> bool {
false
}
+ fn act_as_type(
+ &self,
+ type_id: TypeId,
+ self_handle: &ViewHandle<Self>,
+ _: &AppContext,
+ ) -> Option<AnyViewHandle> {
+ if TypeId::of::<Self>() == type_id {
+ Some(self_handle.into())
+ } else {
+ None
+ }
+ }
}
pub trait ItemHandle: Send + Sync {
@@ -207,7 +219,7 @@ pub trait WeakItemHandle {
fn upgrade(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>>;
}
-pub trait ItemViewHandle {
+pub trait ItemViewHandle: 'static {
fn item_handle(&self, cx: &AppContext) -> Box<dyn ItemHandle>;
fn title(&self, cx: &AppContext) -> String;
fn project_entry(&self, cx: &AppContext) -> Option<ProjectEntry>;
@@ -229,6 +241,7 @@ pub trait ItemViewHandle {
abs_path: PathBuf,
cx: &mut MutableAppContext,
) -> Task<Result<()>>;
+ fn act_as_type(&self, type_id: TypeId, cx: &AppContext) -> Option<AnyViewHandle>;
}
pub trait WeakItemViewHandle {
@@ -326,6 +339,17 @@ impl PartialEq for Box<dyn WeakItemHandle> {
impl Eq for Box<dyn WeakItemHandle> {}
+impl dyn ItemViewHandle {
+ pub fn downcast<T: View>(&self) -> Option<ViewHandle<T>> {
+ self.to_any().downcast()
+ }
+
+ pub fn act_as<T: View>(&self, cx: &AppContext) -> Option<ViewHandle<T>> {
+ self.act_as_type(TypeId::of::<T>(), cx)
+ .and_then(|t| t.downcast())
+ }
+}
+
impl<T: ItemView> ItemViewHandle for ViewHandle<T> {
fn item_handle(&self, cx: &AppContext) -> Box<dyn ItemHandle> {
Box::new(self.read(cx).item_handle(cx))
@@ -413,6 +437,16 @@ impl<T: ItemView> ItemViewHandle for ViewHandle<T> {
fn can_save_as(&self, cx: &AppContext) -> bool {
self.read(cx).can_save_as(cx)
}
+
+ fn act_as_type(&self, type_id: TypeId, cx: &AppContext) -> Option<AnyViewHandle> {
+ self.read(cx).act_as_type(type_id, self, cx)
+ }
+}
+
+impl Into<AnyViewHandle> for Box<dyn ItemViewHandle> {
+ fn into(self) -> AnyViewHandle {
+ self.to_any()
+ }
}
impl Clone for Box<dyn ItemViewHandle> {
@@ -205,7 +205,6 @@ mod tests {
workspace
.active_item(cx)
.unwrap()
- .to_any()
.downcast::<editor::Editor>()
.unwrap()
});
@@ -451,7 +450,7 @@ mod tests {
let editor = cx.read(|cx| {
let pane = workspace.read(cx).active_pane().read(cx);
let item = pane.active_item().unwrap();
- item.to_any().downcast::<Editor>().unwrap()
+ item.downcast::<Editor>().unwrap()
});
cx.update(|cx| {
@@ -504,7 +503,6 @@ mod tests {
workspace
.active_item(cx)
.unwrap()
- .to_any()
.downcast::<Editor>()
.unwrap()
});
@@ -573,7 +571,6 @@ mod tests {
workspace
.active_item(cx)
.unwrap()
- .to_any()
.downcast::<Editor>()
.unwrap()
});
@@ -598,7 +595,6 @@ mod tests {
workspace
.active_item(cx)
.unwrap()
- .to_any()
.downcast::<Editor>()
.unwrap()
});
@@ -738,7 +734,6 @@ mod tests {
.update(&mut cx, |w, cx| w.open_path(file1.clone(), cx))
.await
.unwrap()
- .to_any()
.downcast::<Editor>()
.unwrap();
editor1.update(&mut cx, |editor, cx| {
@@ -748,14 +743,12 @@ mod tests {
.update(&mut cx, |w, cx| w.open_path(file2.clone(), cx))
.await
.unwrap()
- .to_any()
.downcast::<Editor>()
.unwrap();
let editor3 = workspace
.update(&mut cx, |w, cx| w.open_path(file3.clone(), cx))
.await
.unwrap()
- .to_any()
.downcast::<Editor>()
.unwrap();
editor3.update(&mut cx, |editor, cx| {
@@ -871,7 +864,7 @@ mod tests {
) -> (ProjectPath, DisplayPoint) {
workspace.update(cx, |workspace, cx| {
let item = workspace.active_item(cx).unwrap();
- let editor = item.to_any().downcast::<Editor>().unwrap();
+ let editor = item.downcast::<Editor>().unwrap();
let selections = editor.update(cx, |editor, cx| editor.selected_display_ranges(cx));
let path = workspace
.project()