Move handling of modifier changes to new View hook

crates/editor/src/editor.rs

@@ -46,7 +46,9 @@ use language::{
     DiagnosticSeverity, IndentKind, IndentSize, Language, OffsetRangeExt, OffsetUtf16, Point,
     Selection, SelectionGoal, TransactionId,
 };
-use link_go_to_definition::{hide_link_definition, LinkGoToDefinitionState};
+use link_go_to_definition::{
+    hide_link_definition, show_link_definition, LinkDefinitionKind, LinkGoToDefinitionState,
+};
 pub use multi_buffer::{
     Anchor, AnchorRangeExt, ExcerptId, ExcerptRange, MultiBuffer, MultiBufferSnapshot, ToOffset,
     ToPoint,
@@ -6510,6 +6512,44 @@ impl View for Editor {
         cx.notify();
     }
 
+    fn modifiers_changed(
+        &mut self,
+        event: &gpui::ModifiersChangedEvent,
+        cx: &mut ViewContext<Self>,
+    ) -> bool {
+        let pending_selection = self.has_pending_selection();
+
+        if let Some(point) = self.link_go_to_definition_state.last_mouse_location.clone() {
+            if event.cmd && !pending_selection {
+                let snapshot = self.snapshot(cx);
+                let kind = if event.shift {
+                    LinkDefinitionKind::Type
+                } else {
+                    LinkDefinitionKind::Symbol
+                };
+
+                show_link_definition(kind, self, point, snapshot, cx);
+                return false;
+            }
+        }
+
+        {
+            if self.link_go_to_definition_state.symbol_range.is_some()
+                || !self.link_go_to_definition_state.definitions.is_empty()
+            {
+                self.link_go_to_definition_state.symbol_range.take();
+                self.link_go_to_definition_state.definitions.clear();
+                cx.notify();
+            }
+
+            self.link_go_to_definition_state.task = None;
+
+            self.clear_text_highlights::<LinkGoToDefinitionState>(cx);
+        }
+
+        false
+    }
+
     fn keymap_context(&self, _: &AppContext) -> gpui::keymap::Context {
         let mut context = Self::default_keymap_context();
         let mode = match self.mode {

crates/editor/src/element.rs

@@ -9,7 +9,7 @@ use crate::{
         HoverAt, HOVER_POPOVER_GAP, MIN_POPOVER_CHARACTER_WIDTH, MIN_POPOVER_LINE_HEIGHT,
     },
     link_go_to_definition::{
-        CmdShiftChanged, GoToFetchedDefinition, GoToFetchedTypeDefinition, UpdateGoToDefinitionLink,
+        GoToFetchedDefinition, GoToFetchedTypeDefinition, UpdateGoToDefinitionLink,
     },
     mouse_context_menu::DeployMouseContextMenu,
     EditorStyle,
@@ -30,9 +30,8 @@ use gpui::{
     platform::CursorStyle,
     text_layout::{self, Line, RunStyle, TextLayoutCache},
     AppContext, Axis, Border, CursorRegion, Element, ElementBox, Event, EventContext,
-    LayoutContext, ModifiersChangedEvent, MouseButton, MouseButtonEvent, MouseMovedEvent,
-    MouseRegion, MutableAppContext, PaintContext, Quad, Scene, SizeConstraint, ViewContext,
-    WeakViewHandle,
+    LayoutContext, MouseButton, MouseButtonEvent, MouseMovedEvent, MouseRegion, MutableAppContext,
+    PaintContext, Quad, Scene, SizeConstraint, ViewContext, WeakViewHandle,
 };
 use json::json;
 use language::{Bias, DiagnosticSeverity, OffsetUtf16, Selection};
@@ -408,14 +407,6 @@ impl EditorElement {
         true
     }
 
-    fn modifiers_changed(&self, event: ModifiersChangedEvent, cx: &mut EventContext) -> bool {
-        cx.dispatch_action(CmdShiftChanged {
-            cmd_down: event.cmd,
-            shift_down: event.shift,
-        });
-        false
-    }
-
     fn scroll(
         position: Vector2F,
         mut delta: Vector2F,
@@ -1889,17 +1880,13 @@ impl Element for EditorElement {
 
     fn dispatch_event(
         &mut self,
-        event: &Event,
+        _: &Event,
         _: RectF,
         _: RectF,
         _: &mut LayoutState,
         _: &mut (),
-        cx: &mut EventContext,
+        _: &mut EventContext,
     ) -> bool {
-        if let Event::ModifiersChanged(event) = event {
-            self.modifiers_changed(*event, cx);
-        }
-
         false
     }
 

crates/editor/src/link_go_to_definition.rs

@@ -19,12 +19,6 @@ pub struct UpdateGoToDefinitionLink {
     pub shift_held: bool,
 }
 
-#[derive(Clone, PartialEq)]
-pub struct CmdShiftChanged {
-    pub cmd_down: bool,
-    pub shift_down: bool,
-}
-
 #[derive(Clone, PartialEq)]
 pub struct GoToFetchedDefinition {
     pub point: DisplayPoint,
@@ -39,7 +33,6 @@ impl_internal_actions!(
     editor,
     [
         UpdateGoToDefinitionLink,
-        CmdShiftChanged,
         GoToFetchedDefinition,
         GoToFetchedTypeDefinition
     ]
@@ -47,7 +40,6 @@ impl_internal_actions!(
 
 pub fn init(cx: &mut MutableAppContext) {
     cx.add_action(update_go_to_definition_link);
-    cx.add_action(cmd_shift_changed);
     cx.add_action(go_to_fetched_definition);
     cx.add_action(go_to_fetched_type_definition);
 }
@@ -113,37 +105,6 @@ pub fn update_go_to_definition_link(
     hide_link_definition(editor, cx);
 }
 
-pub fn cmd_shift_changed(
-    editor: &mut Editor,
-    &CmdShiftChanged {
-        cmd_down,
-        shift_down,
-    }: &CmdShiftChanged,
-    cx: &mut ViewContext<Editor>,
-) {
-    let pending_selection = editor.has_pending_selection();
-
-    if let Some(point) = editor
-        .link_go_to_definition_state
-        .last_mouse_location
-        .clone()
-    {
-        if cmd_down && !pending_selection {
-            let snapshot = editor.snapshot(cx);
-            let kind = if shift_down {
-                LinkDefinitionKind::Type
-            } else {
-                LinkDefinitionKind::Symbol
-            };
-
-            show_link_definition(kind, editor, point, snapshot, cx);
-            return;
-        }
-    }
-
-    hide_link_definition(editor, cx)
-}
-
 #[derive(Debug, Clone, Copy, PartialEq)]
 pub enum LinkDefinitionKind {
     Symbol,
@@ -397,6 +358,7 @@ fn go_to_fetched_definition_of_kind(
 #[cfg(test)]
 mod tests {
     use futures::StreamExt;
+    use gpui::{ModifiersChangedEvent, View};
     use indoc::indoc;
     use lsp::request::{GotoDefinition, GotoTypeDefinition};
 
@@ -467,11 +429,10 @@ mod tests {
 
         // Unpress shift causes highlight to go away (normal goto-definition is not valid here)
         cx.update_editor(|editor, cx| {
-            cmd_shift_changed(
-                editor,
-                &CmdShiftChanged {
-                    cmd_down: true,
-                    shift_down: false,
+            editor.modifiers_changed(
+                &gpui::ModifiersChangedEvent {
+                    cmd: true,
+                    ..Default::default()
                 },
                 cx,
             );
@@ -581,14 +542,7 @@ mod tests {
 
         // Unpress cmd causes highlight to go away
         cx.update_editor(|editor, cx| {
-            cmd_shift_changed(
-                editor,
-                &CmdShiftChanged {
-                    cmd_down: false,
-                    shift_down: false,
-                },
-                cx,
-            );
+            editor.modifiers_changed(&Default::default(), cx);
         });
 
         // Assert no link highlights
@@ -704,11 +658,10 @@ mod tests {
             ])))
         });
         cx.update_editor(|editor, cx| {
-            cmd_shift_changed(
-                editor,
-                &CmdShiftChanged {
-                    cmd_down: true,
-                    shift_down: false,
+            editor.modifiers_changed(
+                &ModifiersChangedEvent {
+                    cmd: true,
+                    ..Default::default()
                 },
                 cx,
             );

crates/gpui/src/platform/event.rs

@@ -11,7 +11,7 @@ pub struct KeyUpEvent {
     pub keystroke: Keystroke,
 }
 
-#[derive(Clone, Copy, Debug)]
+#[derive(Clone, Copy, Debug, Default)]
 pub struct ModifiersChangedEvent {
     pub ctrl: bool,
     pub alt: bool,