Change central controls button to move to the center of the bed

images/control_xy.svg

@@ -395,18 +395,18 @@
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      fit-margin-right="0"
      fit-margin-bottom="0"
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-     inkscape:window-height="835"
+     inkscape:window-width="1440"
+     inkscape:window-height="841"
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@@ -641,7 +641,7 @@
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@@ -1035,25 +1035,54 @@
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printrun/gui/xybuttons.py

@@ -44,7 +44,7 @@ class XYButtons(BufferedCanvas):
     spacer = 7
     imagename = "control_xy.png"
     corner_to_axis = {
-        -1: "xy",
+        -1: "center",
         0: "x",
         1: "z",
         2: "y",

printrun/pronterface.py

@@ -582,10 +582,12 @@ class PronterWindow(MainWindow, pronsole.pronsole):
             self.onecmd('home Y')
         elif axis == "z":
             self.onecmd('home Z')
-        elif axis == "xy":
-            self.onecmd('home XY')
         elif axis == "all":
             self.onecmd('home')
+        elif axis == "center":
+            center_x = self.build_dimensions_list[0] / 2 + self.build_dimensions_list[3]
+            center_y = self.build_dimensions_list[1] / 2 + self.build_dimensions_list[4]
+            self.onecmd('G0 X%d Y%d' % (center_x, center_y))
         else:
             return
         self.p.send_now('M114')