[Companion][ModulePanel] Clean up some layout issues in outputs/trainer protocol setup UI; Make sure proper form fields are shown for radios with only one external radio system (eg. PPM on 9X). (#4424)

companion/src/modeledit/setup.cpp

@@ -173,6 +173,7 @@ ModulePanel::ModulePanel(QWidget * parent, ModelData & model, ModuleData & modul
       ui->label_trainerMode->hide();
       ui->trainerMode->hide();
     }
+    ui->formLayout_col1->setSpacing(0);
   }
   else {
     ui->label_trainerMode->hide();
@@ -201,10 +202,10 @@ ModulePanel::ModulePanel(QWidget * parent, ModelData & model, ModuleData & modul
   for (int i=0; i<PULSES_PROTOCOL_LAST; i++) {
     if (firmware->isAvailable((PulsesProtocol)i, moduleIdx)) {
       ui->protocol->addItem(ModelPrinter::printModuleProtocol(i), (QVariant)i);
-      if (i == module.protocol) ui->protocol->setCurrentIndex(ui->protocol->count()-1);
+      if (i == module.protocol)
+        ui->protocol->setCurrentIndex(ui->protocol->count()-1);
     }
   }
-
   for (int i=0; i<=MM_RF_PROTO_LAST; i++) {
     ui->multiProtocol->addItem(ModelPrinter::printMultiRfProtocol(i, false), (QVariant) i);
   }
@@ -240,6 +241,11 @@ ModulePanel::ModulePanel(QWidget * parent, ModelData & model, ModuleData & modul
   disableMouseScrolling();
 
   lock = false;
+
+  // a change will not register if only one item was added
+  if (ui->protocol->count() == 1)
+    on_protocol_currentIndexChanged(ui->protocol->currentIndex());
+
 }
 
 ModulePanel::~ModulePanel()
@@ -378,7 +384,7 @@ void ModulePanel::update()
     ui->label_failsafeMode->setVisible(mask & MASK_FAILSAFES);
     ui->failsafeMode->setVisible(mask & MASK_FAILSAFES);
     ui->failsafeMode->setCurrentIndex(module.failsafeMode);
-    ui->failsafesFrame->setEnabled(module.failsafeMode == FAILSAFE_CUSTOM);
+    ui->failsafesGroupBox->setEnabled(module.failsafeMode == FAILSAFE_CUSTOM);
     if (firmware->getCapability(ChannelsName) > 0) {
       for(int i=0; i<maxChannels;i++) {
         QString name = QString(model->limitData[i+module.channelsStart].name).trimmed();
@@ -395,8 +401,7 @@ void ModulePanel::update()
     mask = 0;
   }
 
-  ui->failsafesLayoutLabel->setVisible(mask & MASK_FAILSAFES);
-  ui->failsafesFrame->setVisible(mask & MASK_FAILSAFES);
+  ui->failsafesGroupBox->setVisible((mask & MASK_FAILSAFES) && module.failsafeMode == FAILSAFE_CUSTOM);
 
   if (mask & MASK_CHANNELS_RANGE) {
     ui->channelsStart->setMaximum(33 - ui->channelsCount->value());

companion/src/modeledit/setup.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>840</width>
-    <height>520</height>
+    <height>371</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -206,7 +206,7 @@
            <property name="sizeHint" stdset="0">
             <size>
              <width>20</width>
-             <height>40</height>
+             <height>0</height>
             </size>
            </property>
           </spacer>
@@ -251,7 +251,7 @@
              <property name="sizeHint" stdset="0">
               <size>
                <width>20</width>
-               <height>40</height>
+               <height>0</height>
               </size>
              </property>
             </spacer>
@@ -615,7 +615,7 @@ If this is checked the throttle will be reversed.  Idle will be forward, trim wi
      <property name="sizeHint" stdset="0">
       <size>
        <width>20</width>
-       <height>40</height>
+       <height>0</height>
       </size>
      </property>
     </spacer>