ui.gadgets.editors: implement Ctrl-A/E/K to be more compatible.

basis/ui/gadgets/editors/editors.factor

@@ -359,6 +359,12 @@ M: editor gadget-text* editor-string % ;
 : delete-to-end-of-line ( editor -- ) 
     one-line-elt editor-backspace ;
 
+: delete-to-start-of-document ( editor -- )
+    doc-elt editor-delete ;
+
+: delete-to-end-of-document ( editor -- )
+    doc-elt editor-delete ;
+
 : com-undo ( editor -- ) model>> undo ;
 
 : com-redo ( editor -- ) model>> redo ;
@@ -423,6 +429,9 @@ editor "caret-motion" f {
     { T{ key-down f f "END" } end-of-line }
     { T{ key-down f { C+ } "HOME" } start-of-document }
     { T{ key-down f { C+ } "END" } end-of-document }
+    { T{ key-down f { C+ } "k" } delete-to-start-of-line }
+    { T{ key-down f { C+ } "a" } start-of-line }
+    { T{ key-down f { C+ } "e" } end-of-line }
 } define-command-map
 
 : clear-editor ( editor -- )

basis/ui/tools/listener/listener.factor

@@ -368,7 +368,6 @@ M: interactor handle-gesture
 
 interactor "interactor" f {
     { T{ key-down f f "RET" } evaluate-input }
-    { T{ key-down f { C+ } "k" } clear-editor }
 } define-command-map
 
 interactor "completion" f {

basis/ui/tools/operations/operations.factor

@@ -73,14 +73,14 @@ IN: ui.tools.operations
 : edit-file ( pathname -- ) edit ;
 
 [ pathname? ] \ edit-file H{
-    { +keyboard+ T{ key-down f { C+ } "e" } }
+    { +keyboard+ T{ key-down f { C+ } "b" } }
     { +primary+ t }
     { +secondary+ t }
     { +listener+ t }
 } define-operation
 
 [ definition? ] \ edit H{
-    { +keyboard+ T{ key-down f { C+ } "e" } }
+    { +keyboard+ T{ key-down f { C+ } "b" } }
     { +listener+ t }
 } define-operation