set "present" color properly (fixes #3299)

app/src/processing/app/PreferencesFrame.java

@@ -219,19 +219,20 @@ public class PreferencesFrame {
     });
 
     selector = new ColorChooser(frame, false,
-        Preferences.getColor("run.present.bgcolor"), Language.text("prompt.ok"),
-        new ActionListener() {
-          @Override
-          public void actionPerformed(ActionEvent e) {
-            String colorValue = selector.getHexColor();
-            presentColorHex.setText(colorValue.substring(1));
-            presentColor.setBackground(new Color(PApplet.unhex(colorValue)));
-            selector.hide();
-          }
-        });
+                                Preferences.getColor("run.present.bgcolor"),
+                                Language.text("prompt.ok"),
+                                new ActionListener() {
+      @Override
+      public void actionPerformed(ActionEvent e) {
+        String colorValue = selector.getHexColor();
+        colorValue = colorValue.substring(1);  // remove the #
+        presentColorHex.setText(colorValue);
+        presentColor.setBackground(new Color(PApplet.unhex(colorValue)));
+        selector.hide();
+      }
+    });
 
     presentColor.addMouseListener(new MouseAdapter() {
-
       @Override
       public void mouseExited(MouseEvent e) {
         frame.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));

core/todo.txt

@@ -1,9 +1,9 @@
 0236 (3.0a9)
 X Implement Cmd-Q handler on Mac OS X
 X   https://github.com/processing/processing/issues/3301
+X Changing "background color when Presenting" causes Exception
+X   https://github.com/processing/processing/issues/3299
 _ remove "null in initImage()" message
-_ Changing "background color when Presenting" causes Exception
-_   https://github.com/processing/processing/issues/3299
 
 fixed in 3.0a8
 X Full screen window on second monitor without using present mode
@@ -17,6 +17,8 @@ X Initial location of OpenGL window hides the title bar
 X   https://github.com/processing/processing/issues/2981
 X OpenGL sketches do not terminate, have to be killed
 X   https://github.com/processing/processing/issues/2982
+X Quitting P3D sketch throws an error
+X   https://github.com/processing/processing/issues/3293
 
 high priority
 _ displayWidth and displayHeight are zero
@@ -67,8 +69,6 @@ _ implement external messages (moving the window)
 
 
 opengl
-_ Quitting P3D sketch throws an error
-_   https://github.com/processing/processing/issues/3293
 _ Closing OpenGL sketch from the PDE doesn't stop java.exe process
 _   https://github.com/processing/processing/issues/2335
 _ why is createShape() implemented 4x (for P2D, P3D, and 2x versions)?