force touch screen to be on in full screen dialogs

reset backlight timeout when changing backlight settings

radio/src/gui/colorlcd/fullscreen_dialog.cpp

@@ -158,6 +158,10 @@ void FullScreenDialog::runForever()
 {
   running = true;
 
+  MainWindow* mainWin = MainWindow::instance();
+#if defined(HARDWARE_TOUCH)
+  mainWin->setTouchEnabled(true);
+#endif
   while (running) {
     resetBacklightTimeout();
 
@@ -178,7 +182,7 @@ void FullScreenDialog::runForever()
     WDG_RESET();
 
     RTOS_WAIT_MS(1);
-    MainWindow::instance()->run(false);
+    mainWin->run(false);
   }
 
   deleteLater();
@@ -188,6 +192,10 @@ void FullScreenDialog::runForeverNoPwrCheck()
 {
   running = true;
 
+  MainWindow* mainWin = MainWindow::instance();
+#if defined(HARDWARE_TOUCH)
+  mainWin->setTouchEnabled(true);
+#endif
   while (running) {
     resetBacklightTimeout();
 
@@ -195,7 +203,7 @@ void FullScreenDialog::runForeverNoPwrCheck()
     WDG_RESET();
 
     RTOS_WAIT_MS(1);
-    MainWindow::instance()->run(false);
+    mainWin->run(false);
   }
 
   deleteLater();

radio/src/gui/colorlcd/radio_setup.cpp

@@ -560,4 +560,5 @@ void RadioSetupPage::updateBacklightControls()
     backlightOffBright->enable(false);
     break;
   }
+  resetBacklightTimeout();
 }