import wx
# Importing ScrolledWindow demo to make use of the MyCanvas
# class defined within.
import ScrolledWindow
import images
SHOW_BACKGROUND = 1
#----------------------------------------------------------------------
ID_New = wx.NewId()
ID_Exit = wx.NewId()
#----------------------------------------------------------------------
class MyParentFrame(wx.MDIParentFrame):
def __init__(self):
wx.MDIParentFrame.__init__(self, None, -1, "MDI Parent", size=(600,400))
self.winCount = 0
menu = wx.Menu()
menu.Append(ID_New, "&New Window")
menu.AppendSeparator()
menu.Append(ID_Exit, "E&xit")
menubar = wx.MenuBar()
menubar.Append(menu, "&File")
self.SetMenuBar(menubar)
self.CreateStatusBar()
self.Bind(wx.EVT_MENU, self.OnNewWindow, id=ID_New)
self.Bind(wx.EVT_MENU, self.OnExit, id=ID_Exit)
if SHOW_BACKGROUND:
self.bg_bmp = images.GridBG.GetBitmap()
self.GetClientWindow().Bind(
wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground
)
def OnExit(self, evt):
self.Close(True)
def OnNewWindow(self, evt):
self.winCount = self.winCount + 1
win = wx.MDIChildFrame(self, -1, "Child Window: %d" % self.winCount)
canvas = ScrolledWindow.MyCanvas(win)
win.Show(True)
def OnEraseBackground(self, evt):
dc = evt.GetDC()
if not dc:
dc = wx.ClientDC(self.GetClientWindow())
# tile the background bitmap
sz = self.GetClientSize()
w = self.bg_bmp.GetWidth()
h = self.bg_bmp.GetHeight()
x = 0
while x < sz.width:
y = 0
while y < sz.height:
dc.DrawBitmap(self.bg_bmp, x, y)
y = y + h
x = x + w
#----------------------------------------------------------------------
if __name__ == '__main__':
class MyApp(wx.App):
def OnInit(self):
wx.InitAllImageHandlers()
frame = MyParentFrame()
frame.Show(True)
self.SetTopWindow(frame)
return True
app = MyApp(False)
app.MainLoop()
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