Pcbnew: make search field focused by default in Find dialog

pcbnew/dialogs/dialog_find.cpp

@@ -383,6 +383,16 @@ void DIALOG_FIND::OnCloseButtonClick( wxCommandEvent& aEvent )
     aEvent.Skip();
 }
 
+bool DIALOG_FIND::Show( bool show )
+{
+    bool ret = DIALOG_FIND_BASE::Show( show );
+
+    if( show )
+        m_searchCombo->SetFocus();
+
+    return ret;
+}
+
 
 void DIALOG_FIND::OnClose( wxCloseEvent& aEvent )
 {

pcbnew/dialogs/dialog_find.h

@@ -68,6 +68,14 @@ public:
      */
     void FindNext() { search( true ); }
 
+    /**
+     * The Show method is overridden to make the search combobox
+     * focused by default.
+     * wxShowEvent is not suitable here because it supports MSW
+     * and GTK only.
+     */
+    bool Show( bool show = true ) override;
+
 protected:
     void OnClose( wxCloseEvent& event ) override;
     void OnCloseButtonClick( wxCommandEvent& aEvent ) override;

qa/qa_utils/mocks.cpp

@@ -168,6 +168,10 @@ void DIALOG_FIND::OnCloseButtonClick( wxCommandEvent& aEvent )
 {
 }
 
+bool DIALOG_FIND::Show( bool show )
+{
+}
+
 void DIALOG_FIND::OnClose( wxCloseEvent& aEvent )
 {
 }