시그니처 기능 개선

Author: letspurify-ux

src/ui/sql_editor/intellisense/popup.rs

@@ -391,6 +391,29 @@ impl SqlEditorWidget {
         self.schedule_deferred_signature_unfocus_hide(INTELLISENSE_DEFERRED_HIDE_RETRIES);
     }
 
+    fn should_defer_signature_unfocus_hide(
+        completion_transition: IntellisensePopupTransitionState,
+        signature_transition: IntellisensePopupTransitionState,
+    ) -> bool {
+        matches!(completion_transition, IntellisensePopupTransitionState::Showing)
+            || matches!(signature_transition, IntellisensePopupTransitionState::Showing)
+    }
+
+    /// Match the completion popup's unfocus behavior: close immediately once
+    /// both popup show transitions have settled. A show transition can briefly
+    /// unfocus the editor on macOS, so that case still uses the deferred check.
+    pub(crate) fn hide_signature_popup_on_editor_unfocus(&self) {
+        if Self::should_defer_signature_unfocus_hide(
+            self.intellisense_runtime.popup_transition_state(),
+            self.intellisense_runtime
+                .signature_popup_transition_state(),
+        ) {
+            self.schedule_deferred_signature_unfocus_hide(INTELLISENSE_DEFERRED_HIDE_RETRIES);
+        } else {
+            self.dismiss_signature_popup();
+        }
+    }
+
     /// Hide the signature popup on editor unfocus only when focus actually
     /// left the editor. Showing the completion popup window briefly pulls
     /// focus (macOS key-window flicker), which must not kill the hint; the

src/ui/sql_editor/intellisense/runtime.rs

@@ -1746,8 +1746,7 @@ impl SqlEditorWidget {
                             });
                         Self::apply_hangul_first_key_repair_edit(&mut buffer_for_handle, edit);
                     }
-                    widget_for_shortcuts
-                        .schedule_deferred_signature_unfocus_hide(INTELLISENSE_DEFERRED_HIDE_RETRIES);
+                    widget_for_shortcuts.hide_signature_popup_on_editor_unfocus();
                     let unfocus_x = fltk::app::event_x_root();
                     let unfocus_y = fltk::app::event_y_root();
                     if matches!(

src/ui/sql_editor/intellisense/tests.rs

@@ -9659,6 +9659,22 @@ fn popup_unfocus_hide_waits_for_focus_and_show_transition_to_settle() {
     ));
 }
 
+#[test]
+fn signature_popup_unfocus_hide_is_deferred_only_while_a_popup_is_being_shown() {
+    assert!(!SqlEditorWidget::should_defer_signature_unfocus_hide(
+        IntellisensePopupTransitionState::Idle,
+        IntellisensePopupTransitionState::Idle,
+    ));
+    assert!(SqlEditorWidget::should_defer_signature_unfocus_hide(
+        IntellisensePopupTransitionState::Showing,
+        IntellisensePopupTransitionState::Idle,
+    ));
+    assert!(SqlEditorWidget::should_defer_signature_unfocus_hide(
+        IntellisensePopupTransitionState::Idle,
+        IntellisensePopupTransitionState::Showing,
+    ));
+}
+
 #[test]
 fn popup_hides_never_block_on_a_busy_mutex() {
     assert!(SqlEditorWidget::can_try_hide_intellisense_popup(

src/ui/sql_editor/intellisense_state.rs

@@ -610,6 +610,10 @@ impl IntellisenseRuntimeState {
         store_popup_transition_state(&self.signature_popup_show_in_progress, state);
     }
 
+    pub(crate) fn signature_popup_transition_state(&self) -> IntellisensePopupTransitionState {
+        load_popup_transition_state(&self.signature_popup_show_in_progress)
+    }
+
     pub(crate) fn next_signature_popup_request_generation(&self) -> u64 {
         self.signature_popup_request_generation
             .fetch_add(1, Ordering::AcqRel)