settings for bed size/grid lines

gviz.py

 import wx,time
 
 class window(wx.Frame):
-    def __init__(self,f,size=(600,600),bedsize=(200,200)):
+    def __init__(self,f,size=(600,600),bedsize=(200,200),grid=(10,50)):
         wx.Frame.__init__(self,None,title="Layer view (Use shift+mousewheel to switch layers)",size=(size[0],size[1]))
-        self.p=gviz(self,size=size,bedsize=bedsize)
+        self.p=gviz(self,size=size,bedsize=bedsize,grid=grid)
         s=time.time()
         for i in f:
             self.p.addgcode(i)
@@ -53,10 +53,11 @@ class window(wx.Frame):
             elif z < 0: self.p.zoom(event.GetX(),event.GetY(),1/1.2)
         
 class gviz(wx.Panel):
-    def __init__(self,parent,size=(200,200),bedsize=(200,200)):
+    def __init__(self,parent,size=(200,200),bedsize=(200,200),grid=(10,50)):
         wx.Panel.__init__(self,parent,-1,size=(size[0],size[1]))
         self.size=size
         self.bedsize=bedsize
+        self.grid=grid
         self.lastpos=[0,0,0,0,0]
         self.hilightpos=self.lastpos[:]
         self.Bind(wx.EVT_PAINT,self.paint)
@@ -126,14 +127,14 @@ class gviz(wx.Panel):
         dc.SelectObject(self.blitmap)
         dc.SetBackground(wx.Brush((250,250,200)))
         dc.Clear()
-        dc.SetPen(wx.Pen(wx.Colour(100,100,100)))
-        for i in xrange(max(self.bedsize)/10):
-            dc.DrawLine(self.translate[0],self.translate[1]+i*self.scale[1]*10,self.translate[0]+self.scale[0]*max(self.bedsize),self.translate[1]+i*self.scale[1]*10)
-            dc.DrawLine(self.translate[0]+i*self.scale[0]*10,self.translate[1],self.translate[0]+i*self.scale[0]*10,self.translate[1]+self.scale[1]*max(self.bedsize))
+        dc.SetPen(wx.Pen(wx.Colour(180,180,150)))
+        for grid_unit in self.grid:
+            if grid_unit > 0:
+                for x in xrange(int(self.bedsize[0]/grid_unit)+1):
+                    dc.DrawLine(self.translate[0]+x*self.scale[0]*grid_unit,self.translate[1],self.translate[0]+x*self.scale[0]*grid_unit,self.translate[1]+self.scale[1]*max(self.bedsize))
+                for y in xrange(int(self.bedsize[1]/grid_unit)+1):
+                    dc.DrawLine(self.translate[0],self.translate[1]+y*self.scale[1]*grid_unit,self.translate[0]+self.scale[0]*max(self.bedsize),self.translate[1]+y*self.scale[1]*grid_unit)
             dc.SetPen(wx.Pen(wx.Colour(0,0,0)))
-        for i in xrange(max(self.bedsize)/50):
-            dc.DrawLine(self.translate[0],self.translate[1]+i*self.scale[1]*50,self.translate[0]+self.scale[0]*max(self.bedsize),self.translate[1]+i*self.scale[1]*50)
-            dc.DrawLine(self.translate[0]+i*self.scale[0]*50,self.translate[1],self.translate[0]+i*self.scale[0]*50,self.translate[1]+self.scale[1]*max(self.bedsize))
         if not self.showall:
             self.size = self.GetSize()
             dc.SetBrush(wx.Brush((43,144,255)))

pronterface.py

@@ -45,6 +45,10 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
         self.settings.last_file_path = ""
         self.settings.last_temperature = 0.0
         self.settings.last_bed_temperature = 0.0
+        self.settings.bed_size_x = 200.
+        self.settings.bed_size_y = 200.
+        self.settings.preview_grid_step1 = 10.
+        self.settings.preview_grid_step2 = 50.
         self.filename=filename
         os.putenv("UBUNTU_MENUPROXY","0")
         wx.Frame.__init__(self,None,title="Printer Interface",size=size);
@@ -509,9 +513,13 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
         self.zfeedc.SetBackgroundColour((180,255,180))
         self.zfeedc.SetForegroundColour("black")
         lls.Add((10,0),pos=(0,11),span=(1,1))
-        self.gviz=gviz.gviz(self.panel,(300,300),(200,200))
+        self.gviz=gviz.gviz(self.panel,(300,300),
+            bedsize=(self.settings.bed_size_x,self.settings.bed_size_y),
+            grid=(self.settings.preview_grid_step1,self.settings.preview_grid_step2))
         self.gviz.showall=1
-        self.gwindow=gviz.window([])
+        self.gwindow=gviz.window([],
+            bedsize=(self.settings.bed_size_x,self.settings.bed_size_y),
+            grid=(self.settings.preview_grid_step1,self.settings.preview_grid_step2))
         self.gviz.Bind(wx.EVT_LEFT_DOWN,self.showwin)
         self.gwindow.Bind(wx.EVT_CLOSE,lambda x:self.gwindow.Hide())
         cs=self.centersizer=wx.GridBagSizer()