added factory code, and the beginnings of styling

radio/src/gui/colorlcd/fullscreen_dialog.cpp

@@ -25,10 +25,14 @@
 #include "opentx.h"
 #include "libopenui.h"
 
+LvglWidgetFactory fullScreenDialogFactory = LvglWidgetFactory([] (lv_obj_t *parent) {
+  return lv_obj_create(nullptr);
+});
+
 FullScreenDialog::FullScreenDialog(
     uint8_t type, std::string title, std::string message, std::string action,
     const std::function<void(void)>& confirmHandler) :
-    FormGroup(MainWindow::instance(), {0, 0, LCD_W, LCD_H}, OPAQUE, true),
+    FormGroup(MainWindow::instance(), {0, 0, LCD_W, LCD_H}, OPAQUE, &fullScreenDialogFactory),
     type(type),
     title(std::move(title)),
     message(std::move(message)),

radio/src/gui/colorlcd/screen_setup.cpp

@@ -161,7 +161,7 @@ class SetupWidgetsPage: public FormWindow
 {
   public:
     SetupWidgetsPage(ScreenMenu* menu, uint8_t customScreenIdx):
-      FormWindow(ViewMain::instance(), {0, 0, 0, 0}, FORM_FORWARD_FOCUS,true),
+      FormWindow(ViewMain::instance(), {0, 0, 0, 0}, FORM_FORWARD_FOCUS),
       menu(menu),
       customScreenIdx(customScreenIdx)
     {

radio/src/gui/colorlcd/topbar.cpp

@@ -34,7 +34,7 @@ Topbar * TopbarFactory::create(Window * parent)
 }
 
 SetupTopBarWidgetsPage::SetupTopBarWidgetsPage(ScreenMenu* menu):
-  FormWindow(ViewMain::instance(), {0, 0, 0, 0}, FORM_FORWARD_FOCUS, true),
+  FormWindow(ViewMain::instance(), {0, 0, 0, 0}, FORM_FORWARD_FOCUS),
   menu(menu)
 {
   // remember focus