Fix regressions in search bar behaviour

src/MainWindow.vala

@@ -749,7 +749,13 @@ namespace Scratch {
 
         // If selected text covers more than one line return just the first.
         public void set_selected_text_for_search () {
+            // Do not overwrite search term if we are editing the entry.
+            if (search_bar.is_focused) {
+                return;
+            }
+
             var doc = get_current_document ();
+
             var selected_text = doc != null ? doc.get_selected_text (false) : "";
             var search_term = "";
             if (selected_text.contains ("\n")) {
@@ -1186,19 +1192,21 @@ namespace Scratch {
         }
 
         private void find (string search_term = "") {
+            // Set search term before focusing search bar else maybe ineffective
+            if (search_term != "") {
+                search_bar.set_search_entry_text (search_term);
+            } else {
+                set_selected_text_for_search ();
+            }
+
             if (!search_bar.is_revealed) {
                 var show_find_action = Utils.action_from_group (ACTION_TOGGLE_SHOW_FIND, actions);
                 if (show_find_action.enabled) {
+                    // This focuses the search bar
                     show_find_action.activate (new Variant ("b", true));
                 }
             }
 
-            if (search_term != "") {
-                search_bar.set_search_entry_text (search_term);
-            } else {
-                set_selected_text_for_search ();
-            }
-
             search_bar.search ();
         }
 

src/Widgets/SearchBar.vala

@@ -357,8 +357,13 @@ namespace Scratch.Widgets {
                 return false;
             }
 
-            update_search_widgets ();
-            return false;
+            Idle.add (() => {
+                update_search_widgets ();
+                search_entry.select_region (0, -1);
+                return Source.REMOVE;
+            });
+
+            return Gdk.EVENT_PROPAGATE;
         }
 
         public bool search () {