diff --git a/smx-config/DiagnosticsWidgets.cs b/smx-config/DiagnosticsWidgets.cs
index 8f6e6c5..64c4486 100644
--- a/smx-config/DiagnosticsWidgets.cs
+++ b/smx-config/DiagnosticsWidgets.cs
@@ -9,6 +9,22 @@ namespace smx_config
 {
     public class DiagnosticsPanelButton: PanelSelectButton
     {
+        public static readonly DependencyProperty PanelProperty = DependencyProperty.RegisterAttached("Panel",
+            typeof(int), typeof(PanelSelectButton), new FrameworkPropertyMetadata(0));
+
+        public int Panel {
+            get { return (int) this.GetValue(PanelProperty); }
+            set { this.SetValue(PanelProperty, value); }
+        }
+        // Which panel is currently selected.
+        public static readonly DependencyProperty SelectedPanelProperty = DependencyProperty.RegisterAttached("SelectedPanel",
+            typeof(int), typeof(PanelSelectButton), new FrameworkPropertyMetadata(0));
+
+        public int SelectedPanel {
+            get { return (int) this.GetValue(SelectedPanelProperty); }
+            set { this.SetValue(SelectedPanelProperty, value); }
+        }
+
         // True if this panel is being pressed.
         public static readonly DependencyProperty PressedProperty = DependencyProperty.Register("Pressed",
             typeof(bool), typeof(DiagnosticsPanelButton), new FrameworkPropertyMetadata(false));
diff --git a/smx-config/MainWindow.xaml b/smx-config/MainWindow.xaml
index 755338e..fd588ac 100644
--- a/smx-config/MainWindow.xaml
+++ b/smx-config/MainWindow.xaml
@@ -289,8 +289,7 @@ Use if the platform is too sensitive.</clr:String>
                 </Setter.Value>
             </Setter>
         </Style>
-
-        <Style TargetType="{x:Type controls:PanelColorButton}">
+        <Style TargetType="{x:Type controls:ColorButton}">
             <Setter Property="VerticalAlignment" Value="Center" />
             <Setter Property="Width" Value="25" />
             <Setter Property="AllowDrop" Value="True" />
@@ -304,7 +303,7 @@ Use if the platform is too sensitive.</clr:String>
             <Setter Property="VerticalContentAlignment" Value="Center"/>
             <Setter Property="Template">
                 <Setter.Value>
-                    <ControlTemplate TargetType="{x:Type controls:PanelColorButton}">
+                    <ControlTemplate TargetType="{x:Type controls:ColorButton}">
                         <Border x:Name="border"
                                 Background="{TemplateBinding PanelColor}"
                                 BorderBrush="#000000" BorderThickness="1" SnapsToDevicePixels="true">
@@ -328,6 +327,16 @@ Use if the platform is too sensitive.</clr:String>
                 </Setter.Value>
             </Setter>
         </Style>
+        
+        <Style TargetType="{x:Type controls:PanelColorButton}"
+                BasedOn="{StaticResource {x:Type controls:ColorButton}}">
+
+        </Style>
+        <Style TargetType="{x:Type controls:FloorColorButton}"
+               BasedOn="{StaticResource {x:Type controls:ColorButton}}">
+            <Setter Property="Width" Value="100" />
+
+        </Style>
 
         <Style TargetType="{x:Type controls:ColorPicker}">
             <Setter Property="Template">
@@ -728,38 +737,43 @@ Use if the platform is too sensitive.</clr:String>
 
                             <StackPanel HorizontalAlignment="Center" Orientation="Horizontal">
                                 <!-- The duplication here could be factored out, but with WPF it's not really worth it: -->
-                                <Grid x:Name="PanelColorP1" Background="#FFE5E5E5" Width="100" Height="100" HorizontalAlignment="Center" VerticalAlignment="Top">
-                                    <controls:PanelColorButton Panel="0" Content="↖" Margin="-60,-50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="1" Content="↑" Margin="0,-50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="2" Content="↗" Margin="60,-50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-
-                                    <controls:PanelColorButton Panel="3" Content="←" Margin="-60,0,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="4" Content="☐" Margin="0,0,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="5" Content="→" Margin="60,0,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-
-                                    <controls:PanelColorButton Panel="6" Content="↙" Margin="-60,50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="7" Content="↓" Margin="0,50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="8" Content="↘" Margin="60,50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                </Grid>
-
-                                <Grid x:Name="PanelColorP2" Background="#FFE5E5E5" Width="100" Height="100" HorizontalAlignment="Center" VerticalAlignment="Top">
-                                    <controls:PanelColorButton Panel="9" Content="↖" Margin="-60,-50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="10" Content="↑" Margin="0,-50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="11" Content="↗" Margin="60,-50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-
-                                    <controls:PanelColorButton Panel="12" Content="←" Margin="-60,0,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="13" Content="☐" Margin="0,0,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="14" Content="→" Margin="60,0,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-
-                                    <controls:PanelColorButton Panel="15" Content="↙" Margin="-60,50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="16" Content="↓" Margin="0,50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                    <controls:PanelColorButton Panel="17" Content="↘" Margin="60,50,0,0" SelectedPanel="{Binding Path=SelectedPanel, Mode=TwoWay, ElementName=AutoLightsColor}" />
-                                </Grid>
+                                <StackPanel x:Name="PanelColorP1" Orientation="Vertical">
+                                    <Grid Width="100" Height="100">
+                                        <controls:PanelColorButton x:Name="P1_0" Panel="0" Content="↖" Margin="-60,-50,0,0" />
+                                        <controls:PanelColorButton x:Name="P1_1" Panel="1" Content="↑" Margin="0,-50,0,0" />
+                                        <controls:PanelColorButton x:Name="P1_2" Panel="2" Content="↗" Margin="60,-50,0,0" />
+
+                                        <controls:PanelColorButton x:Name="P1_3" Panel="3" Content="←" Margin="-60,0,0,0" />
+                                        <controls:PanelColorButton x:Name="P1_4" Panel="4" Content="☐" Margin="0,0,0,0" />
+                                        <controls:PanelColorButton x:Name="P1_5" Panel="5" Content="→" Margin="60,0,0,0" />
+
+                                        <controls:PanelColorButton x:Name="P1_6" Panel="6" Content="↙" Margin="-60,50,0,0" />
+                                        <controls:PanelColorButton x:Name="P1_7" Panel="7" Content="↓" Margin="0,50,0,0" />
+                                        <controls:PanelColorButton x:Name="P1_8" Panel="8" Content="↘" Margin="60,50,0,0" />
+                                    </Grid>
+                                    <controls:FloorColorButton x:Name="P1_Floor" Pad="0" Content="=" Margin="0,0,0,0" />
+                                </StackPanel>
+                                
+                                <StackPanel x:Name="PanelColorP2" Orientation="Vertical">
+                                    <Grid Width="100" Height="100">
+                                        <controls:PanelColorButton x:Name="P2_0" Panel="9" Content="↖" Margin="-60,-50,0,0" />
+                                        <controls:PanelColorButton x:Name="P2_1" Panel="10" Content="↑" Margin="0,-50,0,0" />
+                                        <controls:PanelColorButton x:Name="P2_2" Panel="11" Content="↗" Margin="60,-50,0,0" />
+
+                                        <controls:PanelColorButton x:Name="P2_3" Panel="12" Content="←" Margin="-60,0,0,0" />
+                                        <controls:PanelColorButton x:Name="P2_4" Panel="13" Content="☐" Margin="0,0,0,0" />
+                                        <controls:PanelColorButton x:Name="P2_5" Panel="14" Content="→" Margin="60,0,0,0" />
+
+                                        <controls:PanelColorButton x:Name="P2_6" Panel="15" Content="↙" Margin="-60,50,0,0" />
+                                        <controls:PanelColorButton x:Name="P2_7" Panel="16" Content="↓" Margin="0,50,0,0" />
+                                        <controls:PanelColorButton x:Name="P2_8" Panel="17" Content="↘" Margin="60,50,0,0" />
+                                    </Grid>
+                                    <controls:FloorColorButton x:Name="P2_Floor" Pad="1" Content="=" Margin="0,0,0,10" />
+                                </StackPanel>
                             </StackPanel>
 
                             <controls:ColorPicker
                                 x:Name="AutoLightsColor" Focusable="false"
-                                controls:ColorPicker.SelectedPanel="0"
                             />
 
                             <Button x:Name="SetAllPanelsToCurrentColor" Content="Set all panels to this color" HorizontalAlignment="Center" Padding="6,2" Margin="0,6,0,0" />
diff --git a/smx-config/MainWindow.xaml.cs b/smx-config/MainWindow.xaml.cs
index 1a2a5f8..ffb6ac4 100644
--- a/smx-config/MainWindow.xaml.cs
+++ b/smx-config/MainWindow.xaml.cs
@@ -3,6 +3,7 @@ using System.Linq;
 using System.Collections.Generic;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Media;
 
 namespace smx_config
 {
@@ -96,33 +97,34 @@ namespace smx_config
 
             SetAllPanelsToCurrentColor.Click += delegate(object sender, RoutedEventArgs e)
             {
-                int SelectedPanel = AutoLightsColor.SelectedPanel % 9;
-                int SelectedPad = AutoLightsColor.SelectedPanel < 9? 0:1;
+                // Get the color of the selected color button, and apply it to all other buttons.
+                Color color = selectedButton.getColor();
 
-                // Get the color of the selected pad.
-                SMX.SMXConfig copyFromConfig;
-                if(!SMX.SMX.GetConfig(SelectedPad, out copyFromConfig))
-                    return;
-
-                // Don't use ActivePad.ActivePads here, since the lights UI handles multiple pads on its own.
-                for(int pad = 0; pad < 2; ++pad)
+                ColorButton[] colorButtons = getColorPickerButtons();
+                foreach(ColorButton button in colorButtons)
                 {
-                    SMX.SMXConfig config;
-                    if(!SMX.SMX.GetConfig(pad, out config))
+                    // Only apply this to panel colors, not the floor color.
+                    if((button as PanelColorButton) == null)
                         continue;
 
-                    // Set all stepColors to the color of the selected panel.
-                    for(int i = 0; i < 9; ++i)
-                    {
-                        config.stepColor[i*3+0] = copyFromConfig.stepColor[SelectedPanel*3+0];
-                        config.stepColor[i*3+1] = copyFromConfig.stepColor[SelectedPanel*3+1];
-                        config.stepColor[i*3+2] = copyFromConfig.stepColor[SelectedPanel*3+2];
-                    }
-
-                    SMX.SMX.SetConfig(pad, config);
+                    button.setColor(color);
                 }
+
                 CurrentSMXDevice.singleton.FireConfigurationChanged(null);
             };
+
+            // Listen to clicks on the panel color buttons.
+            ColorButton[] buttons = getColorPickerButtons();
+            foreach(ColorButton button in buttons)
+            {
+                button.Click += delegate(object sender, RoutedEventArgs e)
+                {
+                    ColorButton clickedButton = sender as ColorButton;
+                    selectedButton = clickedButton;
+
+                    RefreshSelectedColorPicker();
+                };
+            }
         }
 
         private void PressedColorModeButton(object sender, RoutedEventArgs e)
@@ -177,6 +179,7 @@ namespace smx_config
 
             RefreshConnectedPadList(args);
             RefreshUploadPadText(args);
+            RefreshSelectedColorPicker();
 
             // If a second controller has connected and we're on Both, see if we need to prompt
             // to sync configs.  We only actually need to do this if a controller just connected.
@@ -184,6 +187,53 @@ namespace smx_config
                 CheckConfiguringBothPads(args);
         }
 
+        ColorButton selectedButton;
+
+        // Return all color picker buttons.
+        ColorButton[] getColorPickerButtons()
+        {
+            return new ColorButton[] {
+                P1_0, P1_1, P1_2,
+                P1_3, P1_4, P1_5,
+                P1_6, P1_7, P1_8,
+                P1_Floor,
+
+                P2_0, P2_1, P2_2,
+                P2_3, P2_4, P2_5,
+                P2_6, P2_7, P2_8,
+                P2_Floor,
+            };
+        }
+
+        // Update the selected color picker based on the value of selectedButton.
+        private void RefreshSelectedColorPicker()
+        {
+            LoadFromConfigDelegateArgs args = CurrentSMXDevice.singleton.GetState();
+
+            ColorButton[] buttons = getColorPickerButtons();
+
+            // If our selected button isn't enabled (or no button is selected), try to select a
+            // different one.
+            if(selectedButton == null || !selectedButton.isEnabled(args))
+            {
+                foreach(ColorButton button in buttons)
+                {
+                    if(button.isEnabled(args))
+                    {
+                        selectedButton = button;
+                        break;
+                    }
+                }
+            }
+
+            // Tell the buttons which one is selected.
+            foreach(ColorButton button in buttons)
+                button.IsSelected = button == selectedButton;
+
+            // Tell the color slider which button is selected.
+            AutoLightsColor.colorButton = selectedButton;
+        }
+
         // Update which of the "Leave this application running", etc. blocks to display.
         private void RefreshUploadPadText(LoadFromConfigDelegateArgs args)
         {
diff --git a/smx-config/Widgets.cs b/smx-config/Widgets.cs
index 1ee6965..2c6b73a 100644
--- a/smx-config/Widgets.cs
+++ b/smx-config/Widgets.cs
@@ -431,26 +431,7 @@ namespace smx_config
     // A base class for buttons used to select a panel to work with.
     public class PanelSelectButton: Button
     {
-        // Which panel this is (P1 0-8, P2 9-17):
-        public static readonly DependencyProperty PanelProperty = DependencyProperty.RegisterAttached("Panel",
-            typeof(int), typeof(PanelSelectButton), new FrameworkPropertyMetadata(0, RefreshIsSelectedCallback));
-
-        public int Panel {
-            get { return (int) this.GetValue(PanelProperty); }
-            set { this.SetValue(PanelProperty, value); }
-        }
-
-        // Which panel is currently selected.  If this == Panel, this panel is selected.  This is
-        // bound to ColorPicker.SelectedPanel, so changing this changes which panel the picker edits.
-        public static readonly DependencyProperty SelectedPanelProperty = DependencyProperty.RegisterAttached("SelectedPanel",
-            typeof(int), typeof(PanelSelectButton), new FrameworkPropertyMetadata(0, RefreshIsSelectedCallback));
-
-        public int SelectedPanel {
-            get { return (int) this.GetValue(SelectedPanelProperty); }
-            set { this.SetValue(SelectedPanelProperty, value); }
-        }
-
-        // Whether this panel is selected.  This is true if Panel == SelectedPanel.
+        // Whether this button is selected.
         public static readonly DependencyProperty IsSelectedProperty = DependencyProperty.RegisterAttached("IsSelected",
             typeof(bool), typeof(PanelSelectButton), new FrameworkPropertyMetadata(false));
 
@@ -458,89 +439,49 @@ namespace smx_config
             get { return (bool) this.GetValue(IsSelectedProperty); }
             set { this.SetValue(IsSelectedProperty, value); }
         }
-
-        // When Panel or SelectedPanel change, update IsSelected.
-        private static void RefreshIsSelectedCallback(DependencyObject target, DependencyPropertyChangedEventArgs args)
-        {
-            PanelSelectButton self = target as PanelSelectButton;
-            self.RefreshIsSelected();
-        }
-
-        private void RefreshIsSelected()
-        {
-            IsSelected = Panel == SelectedPanel;
-        }
-
-        public override void OnApplyTemplate()
-        {
-            base.OnApplyTemplate();
-
-            RefreshIsSelected();
-        }
     }
 
-    // This button shows the color configured for that panel, and chooses which color is being
-    // edited by the ColorPicker.
-    public class PanelColorButton: PanelSelectButton
+    // A button that selects which color is being set.
+    public abstract class ColorButton: PanelSelectButton
     {
         // The color configured for this panel:
         public static readonly DependencyProperty PanelColorProperty = DependencyProperty.RegisterAttached("PanelColor",
-            typeof(SolidColorBrush), typeof(PanelColorButton), new FrameworkPropertyMetadata(new SolidColorBrush()));
+            typeof(SolidColorBrush), typeof(ColorButton), new FrameworkPropertyMetadata(new SolidColorBrush()));
 
         public SolidColorBrush PanelColor {
             get { return (SolidColorBrush) this.GetValue(PanelColorProperty); }
             set { this.SetValue(PanelColorProperty, value); }
         }
 
+        // Return 0 if this is for the P1 pad, or 1 if it's for P2.
+        protected abstract int getPadNo();
+
+        // Return true if this panel is enabled and should be selectable.
+        public abstract bool isEnabled(LoadFromConfigDelegateArgs args);
+
+        // Get and set our color to the pad configuration.
+        abstract public Color getColor();
+        abstract public void setColor(Color color);
+
         public override void OnApplyTemplate()
         {
             base.OnApplyTemplate();
 
             OnConfigChange onConfigChange;
             onConfigChange = new OnConfigChange(this, delegate (LoadFromConfigDelegateArgs args) {
-                int pad = Panel < 9? 0:1;
-                LoadUIFromConfig(args.controller[pad].config);
+                LoadUIFromConfig(args);
             });
         }
 
-        protected override void OnClick()
-        {
-            base.OnClick();
-
-            // Select this panel.
-            SelectedPanel = Panel;
-
-            // Fire configuration changed, so the color slider updates to show this panel.
-            CurrentSMXDevice.singleton.FireConfigurationChanged(this);
-        }
-
         // Set PanelColor.  This widget doesn't change the color, it only reflects the current configuration.
-        private void LoadUIFromConfig(SMX.SMXConfig config)
+        private void LoadUIFromConfig(LoadFromConfigDelegateArgs args)
         {
-            int PanelIndex = Panel % 9;
+            SMX.SMXConfig config = args.controller[getPadNo()].config;
 
-            // Hide color buttons for disabled panels.
-            bool[] enabledPanels = config.GetEnabledPanels();
-            Visibility = enabledPanels[PanelIndex]? Visibility.Visible:Visibility.Hidden;
+            // Hide disabled color buttons.
+            Visibility = isEnabled(args)? Visibility.Visible:Visibility.Hidden;
 
-            // If this panel is selected but its panel isn't enabled, try to select a
-            // different panel.
-            if(!enabledPanels[PanelIndex] && IsSelected)
-            {
-                for(int panel = 0; panel < 9; ++panel)
-                {
-                    if(enabledPanels[panel])
-                    {
-                        SelectedPanel = panel;
-                        break;
-                    }
-                }
-            }
-
-            Color rgb = Helpers.UnscaleColor(Color.FromRgb(
-                config.stepColor[PanelIndex*3+0],
-                config.stepColor[PanelIndex*3+1],
-                config.stepColor[PanelIndex*3+2]));
+            Color rgb = getColor();
             PanelColor = new SolidColorBrush(rgb);
         }
 
@@ -583,32 +524,132 @@ namespace smx_config
             if(data == null)
                 return false;
 
-            // Parse the color being dragged onto us.
+            // Parse the color being dragged onto us, and set it.
             Color color = Helpers.ParseColorString(data.GetData(typeof(string)) as string);
-            
-            // Update the panel color.
+            setColor(color);
+
+            return true;
+        }
+
+        protected override void OnDrop(DragEventArgs e)
+        {
+            if(!HandleDrop(e))
+                base.OnDrop(e);
+        }
+    }
+
+    // A ColorButton for setting a panel color.
+    public class PanelColorButton: ColorButton
+    {
+        // Which panel this is (P1 0-8, P2 9-17):
+        public static readonly DependencyProperty PanelProperty = DependencyProperty.RegisterAttached("Panel",
+            typeof(int), typeof(PanelColorButton), new FrameworkPropertyMetadata(0));
+
+        public int Panel {
+            get { return (int) this.GetValue(PanelProperty); }
+            set { this.SetValue(PanelProperty, value); }
+        }
+        
+        protected override int getPadNo()
+        {
+            return Panel < 9? 0:1;
+        }
+
+        // A panel is enabled if it's enabled in the panel mask, which can be
+        // changed on the advanced tab.
+        public override bool isEnabled(LoadFromConfigDelegateArgs args)
+        {
+            int pad = getPadNo();
+            SMX.SMXConfig config = args.controller[pad].config;
+
+            if(!args.controller[pad].info.connected)
+                return false;
+
             int PanelIndex = Panel % 9;
-            int Pad = Panel < 9? 0:1;
+            bool[] enabledPanels = config.GetEnabledPanels();
+            return enabledPanels[PanelIndex];
+        }
+
+        public override void setColor(Color color)
+        {
+            // Apply the change and save it to the device.
+            int pad = getPadNo();
             SMX.SMXConfig config;
-            if(!SMX.SMX.GetConfig(Pad, out config))
-                return false;
+            if(!SMX.SMX.GetConfig(pad, out config))
+                return;
 
             // Light colors are 8-bit values, but we only use values between 0-170.  Higher values
             // don't make the panel noticeably brighter, and just draw more power.
-            color = Helpers.ScaleColor(color);
-            config.stepColor[PanelIndex*3+0] = color.R;
-            config.stepColor[PanelIndex*3+1] = color.G;
-            config.stepColor[PanelIndex*3+2] = color.B;
+            int PanelIndex = Panel % 9;
+            config.stepColor[PanelIndex*3+0] = Helpers.ScaleColor(color.R);
+            config.stepColor[PanelIndex*3+1] = Helpers.ScaleColor(color.G);
+            config.stepColor[PanelIndex*3+2] = Helpers.ScaleColor(color.B);
 
-            SMX.SMX.SetConfig(Pad, config);
+            SMX.SMX.SetConfig(pad, config);
             CurrentSMXDevice.singleton.FireConfigurationChanged(this);
-            return true;
         }
 
-        protected override void OnDrop(DragEventArgs e)
+        // Return the color set for this panel in config.
+        public override Color getColor()
         {
-            if(!HandleDrop(e))
-                base.OnDrop(e);
+            int pad = getPadNo();
+            SMX.SMXConfig config;
+            if(!SMX.SMX.GetConfig(pad, out config))
+                return Color.FromRgb(0,0,0);
+
+            int PanelIndex = Panel % 9;
+            return Helpers.UnscaleColor(Color.FromRgb(
+                config.stepColor[PanelIndex*3+0],
+                config.stepColor[PanelIndex*3+1],
+                config.stepColor[PanelIndex*3+2]));
+        }
+    }
+
+    public class FloorColorButton: ColorButton
+    {
+        // 0 if this is for P1, 1 for P2.
+        public static readonly DependencyProperty PadProperty = DependencyProperty.RegisterAttached("Pad",
+            typeof(int), typeof(FloorColorButton), new FrameworkPropertyMetadata(0));
+
+        public int Pad {
+            get { return (int) this.GetValue(PadProperty); }
+            set { this.SetValue(PadProperty, value); }
+        }
+        protected override int getPadNo() { return Pad; }
+
+        // The floor color button is available if the firmware is v4 or greater.
+        public override bool isEnabled(LoadFromConfigDelegateArgs args)
+        {
+            int pad = getPadNo();
+            SMX.SMXConfig config = args.controller[pad].config;
+            return config.masterVersion >= 4;
+        }
+        
+        public override void setColor(Color color)
+        {
+            // Apply the change and save it to the device.
+            int pad = getPadNo();
+            SMX.SMXConfig config;
+            if(!SMX.SMX.GetConfig(pad, out config))
+                    return;
+
+            config.platformStripColor[0] = color.R;
+            config.platformStripColor[1] = color.G;
+            config.platformStripColor[2] = color.B;
+
+            SMX.SMX.SetConfig(pad, config);
+            CurrentSMXDevice.singleton.FireConfigurationChanged(this);
+        }
+
+        // Return the color set for this panel in config.
+        public override Color getColor()
+        {
+            int pad = getPadNo();
+            SMX.SMXConfig config;
+            if(!SMX.SMX.GetConfig(pad, out config))
+                return Color.FromRgb(0,0,0);
+
+            return Color.FromRgb(config.platformStripColor[0], config.platformStripColor[1], config.platformStripColor[2]);
         }
     }
 
@@ -680,18 +721,24 @@ namespace smx_config
 
     public class ColorPicker: Control
     {
-        // Which panel is currently selected:
-        public static readonly DependencyProperty SelectedPanelProperty = DependencyProperty.Register("SelectedPanel",
-            typeof(int), typeof(ColorPicker), new FrameworkPropertyMetadata(0));
-
-        public int SelectedPanel {
-            get { return (int) this.GetValue(SelectedPanelProperty); }
-            set { this.SetValue(SelectedPanelProperty, value); }
-        }
-
         ColorPickerSlider HueSlider;
         public delegate void Event();
 
+        // The selected ColorButton.  This handles getting and setting the color to the
+        // config.
+        ColorButton _colorButton;
+        public ColorButton colorButton {
+            get { return _colorButton; }
+            set {
+                _colorButton = value;
+
+                // Refresh on change.
+                LoadFromConfigDelegateArgs args = CurrentSMXDevice.singleton.GetState();
+                LoadUIFromConfig(args);
+            }
+        }
+        
+
         public event Event StartedDragging, StoppedDragging;
         public override void OnApplyTemplate()
         {
@@ -716,52 +763,36 @@ namespace smx_config
             HueSlider.Ticks = ticks;
 
             OnConfigChange onConfigChange;
-            onConfigChange = new OnConfigChange(this, delegate (LoadFromConfigDelegateArgs args) {
-                int pad = SelectedPanel < 9? 0:1;
-                LoadUIFromConfig(args.controller[pad].config);
+            onConfigChange = new OnConfigChange(this, delegate(LoadFromConfigDelegateArgs args) {
+                LoadUIFromConfig(args);
             });
         }
 
         private void SaveToConfig()
         {
-            if(UpdatingUI)
+            if(UpdatingUI || _colorButton == null)
                 return;
 
-            // Apply the change and save it to the device.
-            int pad = SelectedPanel < 9? 0:1;
-            SMX.SMXConfig config;
-            if(!SMX.SMX.GetConfig(pad, out config))
-                    return;
-
             Color color = Helpers.FromHSV(HueSlider.Value, 1, 1);
 
             // If we're set to the minimum value, use white instead.
             if(HueSlider.Value == HueSlider.Minimum)
                 color = Color.FromRgb(255,255,255);
 
-            // Light colors are 8-bit values, but we only use values between 0-170.  Higher values
-            // don't make the panel noticeably brighter, and just draw more power.
-            int PanelIndex = SelectedPanel % 9;
-            config.stepColor[PanelIndex*3+0] = Helpers.ScaleColor(color.R);
-            config.stepColor[PanelIndex*3+1] = Helpers.ScaleColor(color.G);
-            config.stepColor[PanelIndex*3+2] = Helpers.ScaleColor(color.B);
-
-            SMX.SMX.SetConfig(pad, config);
-            CurrentSMXDevice.singleton.FireConfigurationChanged(this);
+            _colorButton.setColor(color);
         }
 
         bool UpdatingUI = false;
-        private void LoadUIFromConfig(SMX.SMXConfig config)
+        private void LoadUIFromConfig(LoadFromConfigDelegateArgs args)
         {
+            if(UpdatingUI || _colorButton == null)
+                return;
+
             // Make sure SaveToConfig doesn't treat these as the user changing values.
             UpdatingUI = true;
 
             // Reverse the scaling we applied in SaveToConfig.
-            int PanelIndex = SelectedPanel % 9;
-            Color rgb = Helpers.UnscaleColor(Color.FromRgb(
-                config.stepColor[PanelIndex*3+0],
-                config.stepColor[PanelIndex*3+1],
-                config.stepColor[PanelIndex*3+2]));
+            Color rgb = _colorButton.getColor();
             double h, s, v;
             Helpers.ToHSV(rgb, out h, out s, out v);