Add scroll bar to ProcessorList. Closes #127

Source/UI/ProcessorList.cpp

@@ -118,6 +118,11 @@ ProcessorList::~ProcessorList()
 
 }
 
+void ProcessorList::resized()
+{
+    setBounds(0,0,195,getTotalHeight());
+}
+
 
 
 bool ProcessorList::isOpen()
@@ -137,7 +142,7 @@ void ProcessorList::paint(Graphics& g)
 
 void ProcessorList::drawItems(Graphics& g)
 {
-    totalHeight = yBuffer;
+    totalHeight = yBuffer + itemHeight;
 
     category = baseItem->getName();
 
@@ -167,6 +172,11 @@ void ProcessorList::drawItems(Graphics& g)
         }
     }
 
+    if (isOpen())
+        setSize(getWidth(),totalHeight);
+
+    //resized();
+
 }
 
 void ProcessorList::drawItem(Graphics& g, ProcessorListItem* item)
@@ -451,7 +461,7 @@ void ProcessorList::mouseDown(const MouseEvent& e)
             else
             {
                 getUIComponent()->childComponentChanged();
-                totalHeight = itemHeight + 2*yBuffer;
+               // totalHeight = itemHeight + 2*yBuffer;
             }
 
         }

Source/UI/ProcessorList.h

@@ -82,6 +82,12 @@ public:
     /** Loads the ProcessorList state. */
     void loadStateFromXml(XmlElement*);
 
+    void resized();
+
+    /** Returns the height requested by the ProcessorList. Determines whether or not
+    to draw scroll bars.*/
+    int getTotalHeight();
+
 private:
 
     /** The main method for drawing the ProcessorList.*/
@@ -104,9 +110,7 @@ private:
 
     int currentColor;
 
-    /** Returns the height requested by the ProcessorList. Determines whether or not
-    to draw scroll bars.*/
-    int getTotalHeight();
+    
 
     /** Deselects all items within the ProcessorList.*/
     void clearSelectionState();

Source/UI/UIComponent.cpp

@@ -59,8 +59,11 @@ UIComponent::UIComponent(MainWindow* mainWindow_, ProcessorGraph* pgraph, AudioC
     std::cout << "Created control panel." << std::endl;
 
     processorList = new ProcessorList();
-    addAndMakeVisible(processorList);
-
+    processorListViewport.setViewedComponent(processorList,false);
+    processorListViewport.setScrollBarsShown(true,false);
+    addAndMakeVisible(&processorListViewport);
+    processorList->setVisible(true);
+    processorList->setBounds(0,0,195,processorList->getTotalHeight());
     std::cout << "Created filter list." << std::endl;
 
     messageCenter = new MessageCenter();
@@ -171,15 +174,23 @@ void UIComponent::resized()
     if (processorList != 0)
     {
         if (processorList->isOpen())
+        {
             if (editorViewportButton->isOpen())
-                processorList->setBounds(5,5,195,h-200);
+                processorListViewport.setBounds(5,5,195,h-200);
             else
-                processorList->setBounds(5,5,195,h-50);
-        else
-            processorList->setBounds(5,5,195,34);
+                processorListViewport.setBounds(5,5,195,h-50);
+
+            processorListViewport.setScrollBarsShown(true,false);
+
+        }
+        else{
+            processorListViewport.setBounds(5,5,195,34);
+            processorListViewport.setScrollBarsShown(false,false);
+            processorListViewport.setViewPosition (0, 0);
+        }
 
         if (w < 460)
-            processorList->setBounds(5-460+getWidth(),5,195,processorList->getHeight());
+            processorListViewport.setBounds(5-460+getWidth(),5,195,processorList->getHeight());
     }
 
     if (dataViewport != 0)
@@ -189,7 +200,7 @@ void UIComponent::resized()
         top = 40;
 
         if (processorList->isOpen())
-            left = processorList->getX()+processorList->getWidth()+2;
+            left = processorListViewport.getX()+processorListViewport.getWidth()+2;
         else
             left = 6;
 

Source/UI/UIComponent.h

@@ -174,6 +174,8 @@ private:
     ScopedPointer<MessageCenter> messageCenter;
     ScopedPointer<InfoLabel> infoLabel;
     ScopedPointer<GraphViewer> graphViewer;
+
+    Viewport processorListViewport;
 	
     /** Pointer to the GUI's MainWindow, which owns the UIComponent. */
     MainWindow* mainWindow;