Improve main stream button visibility handling in SyncLineSelector

Author: anjaldoshi

Source/Processors/Editors/SyncLineSelector.cpp

@@ -205,7 +205,7 @@ void SyncLineSelector::buttonClicked (Button* button)
         }
 
         listener->selectedLineChanged (selectedLine);
-        repaint();
+        updatePopup();
     }
 
     detectedChange = true;
@@ -221,4 +221,30 @@ void SyncLineSelector::updatePopup()
         else
             buttons[i]->setToggleState (false, NotificationType::dontSendNotification);
     }
+
+    if (listener->isPrimaryStream() && setPrimaryStreamButton != nullptr)
+    {
+        setPrimaryStreamButton->setVisible (false);
+        isPrimary = true;
+        setSize (width, buttonSize * nRows);
+        height = buttonSize * (nRows);
+    }
+    else if (! listener->isPrimaryStream())
+    {
+        height = buttonSize * (nRows);
+        if (setPrimaryStreamButton == nullptr)
+        {
+            setPrimaryStreamButton = new SetPrimaryButton ("Set as main clock");
+            setPrimaryStreamButton->setBounds (0, height, 0.5 * width, buttonSize);
+            setPrimaryStreamButton->addListener (this);
+            addChildAndSetID (setPrimaryStreamButton, "SETPRIMARY");
+        }
+
+        setPrimaryStreamButton->setVisible (true);
+        setSize (width, height + buttonSize);
+        isPrimary = false;
+
+        if (canSelectNone && selectedLine == -1)
+            setPrimaryStreamButton->setEnabled (false);
+    }
 }

Source/Processors/Editors/SyncLineSelector.h

@@ -88,6 +88,9 @@ class PLUGIN_API SyncLineSelector : public PopupComponent,
 
         // Called when the user sets the primary stream for synchronization
         virtual void primaryStreamChanged() = 0;
+
+        // Called when the updating to popup to reflect changes
+        virtual bool isPrimaryStream() = 0;
     };
 
     /** Constructor */

Source/Processors/Parameter/ParameterEditor.cpp

@@ -1006,6 +1006,15 @@ void TtlLineParameterEditor::primaryStreamChanged()
         syncParam->setNextValue (streamIndex);
 }
 
+bool TtlLineParameterEditor::isPrimaryStream()
+{
+    if (syncParam == nullptr || syncParam->getType() != Parameter::SELECTED_STREAM_PARAM)
+        return true;
+
+    DataStream* paramStream = (DataStream*) param->getOwner();
+    return ((SelectedStreamParameter*) syncParam)->getValueAsString() == paramStream->getKey();
+}
+
 void TtlLineParameterEditor::buttonClicked (Button* button_)
 {
     if (param == nullptr)

Source/Processors/Parameter/ParameterEditor.h

@@ -547,6 +547,9 @@ class PLUGIN_API TtlLineParameterEditor : public ParameterEditor,
     /** Sets parameter's stream as primary */
     void primaryStreamChanged() override;
 
+    /**  Returns true if this is the primary stream */
+    bool isPrimaryStream() override;
+
     /** Sets sub-component locations */
     virtual void resized() override;