From df3594bd53c71d06f6e103f6782bb26b970beac4 Mon Sep 17 00:00:00 2001
From: Jules Aguillon
Date: Thu, 19 Feb 2026 00:37:42 +0100
Subject: Autocomplete on space bar and undo on delete (#1179)

* Refactor: Implement the space key as an editing action

The space key is no longer a CHAR key but now an EDITING key. This
allows changing the behavior of the space bar while allowing custom
layout users to define a key outputing a space as before.

KeyModifier and ComposeKey are updated to treat the space key as before.

* Enter the best suggestion when the space bar is pressed

* Refactor: Implement backspace as an editing action

* Undo suggestion when delete is pressed

The delete key (backspace internally) undoes the suggestion if the last
action done was entering the suggestion with either the space bar or the
candidates view.

* Add an option to enable space bar autocomplete

This option is off by default. Undoing a completion with backspace works
in any case.

* Refactor: Track selection emptyness in CurrentlyTypedWord

This removes an expensive RPC call.
---
 res/xml/settings.xml | 1 +
 1 file changed, 1 insertion(+)

(limited to 'res/xml')

diff --git a/res/xml/settings.xml b/res/xml/settings.xml
index a63c9d8..d846dd1 100644
--- a/res/xml/settings.xml
+++ b/res/xml/settings.xml
@@ -14,6 +14,7 @@
   </PreferenceCategory>
   <PreferenceCategory android:title="@string/pref_category_suggestions">
     <CheckBoxPreference android:key="suggestions" android:title="@string/pref_suggestions_title" android:summary="@string/pref_suggestions_summary" android:defaultValue="true"/>
+    <CheckBoxPreference android:key="space_bar_auto_complete" android:title="@string/pref_space_bar_auto_complete_title" android:summary="@string/pref_space_bar_auto_complete_summary" android:defaultValue="false"/>
   </PreferenceCategory>
   <PreferenceCategory android:title="@string/pref_category_typing">
     <ListPreference android:key="swipe_dist" android:title="@string/pref_swipe_dist_title" android:summary="@string/pref_swipe_dist_summary" android:defaultValue="15" android:entries="@array/pref_swipe_dist_entries" android:entryValues="@array/pref_swipe_dist_values"/>
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