Add new SliderValue GUI widget

Signed-off-by: Vojtech Bocek <vbocek@gmail.com>

Change-Id: Ic5d44314f501341140dd7059d1cb753341f5844c
diff --git a/gui/devices/2560x1600/res/ui.xml b/gui/devices/2560x1600/res/ui.xml
index 7c46a99..12c032b 100644
--- a/gui/devices/2560x1600/res/ui.xml
+++ b/gui/devices/2560x1600/res/ui.xml
@@ -197,6 +197,14 @@
 		<variable name="mount_storage_row" value="1100" />
 		<variable name="wipe_list_height" value="1100" />
 		<variable name="wipe_button_y" value="500" />
+		<variable name="slidervalue_x" value="640" />
+		<variable name="slidervalue_w" value="1280" />
+		<variable name="slidervalue_line_clr" value="#FFFFFF" />
+		<variable name="slidervalue_slider_clr" value="#33B5E5" />
+		<variable name="slidervalue_lineh" value="4" />
+		<variable name="slidervalue_padding" value="0" />
+		<variable name="slidervalue_sliderw" value="30" />
+		<variable name="slidervalue_sliderh" value="90" />
 	</variables>
 
 	<templates>