Fixes some status bar update issues and focus problems

src/fbuttongroup.cpp

@@ -477,6 +477,7 @@ void FButtonGroup::onFocusIn (FFocusEvent* in_ev)
           in_ev->ignore();
           FWidget* prev_element = getFocusWidget();
           (*iter)->setFocus();
+          if ( prev_element )
             prev_element->redraw();
           (*iter)->redraw();
         }
@@ -492,6 +493,7 @@ void FButtonGroup::onFocusIn (FFocusEvent* in_ev)
       in_ev->ignore();
       FWidget* prev_element = getFocusWidget();
       focusFirstChild();
+      if ( prev_element )
         prev_element->redraw();
       getFocusWidget()->redraw();
     }
@@ -500,6 +502,7 @@ void FButtonGroup::onFocusIn (FFocusEvent* in_ev)
       in_ev->ignore();
       FWidget* prev_element = getFocusWidget();
       focusLastChild();
+      if ( prev_element )
         prev_element->redraw();
       getFocusWidget()->redraw();
     }

src/fwidget.cpp

@@ -1483,10 +1483,6 @@ bool FWidget::setFocus(bool on)
     }
   }
 
-  // unset widget focus
-  if ( ! on && focus )
-    FWidget::setFocusWidget(0);
-
   window = FWindow::getWindowWidget(this);
 
   // set window focus

test/ui.cpp

@@ -130,6 +130,10 @@ void ProgressDialog::onTimer (FTimerEvent*)
     more->setEnable();
     quit->setEnable();
     redraw();
+    if ( statusBar() )
+      statusBar()->drawMessage();
+    updateTerminal();
+    flush_out();
   }
 }