wxPython/demo/Cursor.py

   1
   2 import wx
   3 import images
   4
   5 #----------------------------------------------------------------------
   6
   7 CUSTOMID = 1111
   8
   9 cursors = {
  10     "wx.CURSOR_ARROW" : wx.CURSOR_ARROW,
  11     "wx.CURSOR_RIGHT_ARROW" : wx.CURSOR_RIGHT_ARROW,
  12     "wx.CURSOR_BULLSEYE" : wx.CURSOR_BULLSEYE,
  13     "wx.CURSOR_CHAR" : wx.CURSOR_CHAR,
  14     "wx.CURSOR_CROSS" : wx.CURSOR_CROSS,
  15     "wx.CURSOR_HAND" : wx.CURSOR_HAND,
  16     "wx.CURSOR_IBEAM" : wx.CURSOR_IBEAM,
  17     "wx.CURSOR_LEFT_BUTTON" : wx.CURSOR_LEFT_BUTTON,
  18     "wx.CURSOR_MAGNIFIER" : wx.CURSOR_MAGNIFIER,
  19     "wx.CURSOR_MIDDLE_BUTTON" : wx.CURSOR_MIDDLE_BUTTON,
  20     "wx.CURSOR_NO_ENTRY" : wx.CURSOR_NO_ENTRY,
  21     "wx.CURSOR_PAINT_BRUSH" : wx.CURSOR_PAINT_BRUSH,
  22     "wx.CURSOR_PENCIL" : wx.CURSOR_PENCIL,
  23     "wx.CURSOR_POINT_LEFT" : wx.CURSOR_POINT_LEFT,
  24     "wx.CURSOR_POINT_RIGHT" : wx.CURSOR_POINT_RIGHT,
  25     "wx.CURSOR_QUESTION_ARROW" : wx.CURSOR_QUESTION_ARROW,
  26     "wx.CURSOR_RIGHT_BUTTON" : wx.CURSOR_RIGHT_BUTTON,
  27     "wx.CURSOR_SIZENESW" : wx.CURSOR_SIZENESW,
  28     "wx.CURSOR_SIZENS" : wx.CURSOR_SIZENS,
  29     "wx.CURSOR_SIZENWSE" : wx.CURSOR_SIZENWSE,
  30     "wx.CURSOR_SIZEWE" : wx.CURSOR_SIZEWE,
  31     "wx.CURSOR_SIZING" : wx.CURSOR_SIZING,
  32     "wx.CURSOR_SPRAYCAN" : wx.CURSOR_SPRAYCAN,
  33     "wx.CURSOR_WAIT" : wx.CURSOR_WAIT,
  34     "wx.CURSOR_WATCH" : wx.CURSOR_WATCH,
  35     "wx.CURSOR_BLANK" : wx.CURSOR_BLANK,
  36     "wx.CURSOR_DEFAULT" : wx.CURSOR_DEFAULT,
  37     "wx.CURSOR_COPY_ARROW" : wx.CURSOR_COPY_ARROW,
  38     "wx.CURSOR_ARROWWAIT" : wx.CURSOR_ARROWWAIT,
  39
  40     "zz [custom cursor]"  : CUSTOMID,
  41 }
  42
  43
  44 class TestPanel(wx.Panel):
  45     def __init__(self, parent, log):
  46         self.log = log
  47         wx.Panel.__init__(self, parent, -1)
  48
  49         # create a list of choices from the dictionary above
  50         choices = cursors.keys()
  51         choices.sort()
  52
  53         # create the controls
  54         self.cb = wx.ComboBox(self, -1, "wx.CURSOR_DEFAULT", choices=choices,
  55                               style=wx.CB_READONLY)
  56         self.tx = wx.StaticText(self, -1,
  57              "This sample allows you to see all the stock cursors \n"
  58              "available to wxPython.  Simply select a name from the \n"
  59              "wx.Choice and then move the mouse into the window \n"
  60              "below to see the cursor.  NOTE: not all stock cursors \n"
  61              "have a specific representaion on all platforms.")
  62
  63         self.win = wx.Window(self, -1, size=(200,200), style=wx.SIMPLE_BORDER)
  64         self.win.SetBackgroundColour("white")
  65
  66         # bind an event or two
  67         self.Bind(wx.EVT_COMBOBOX, self.OnChooseCursor, self.cb)
  68         self.win.Bind(wx.EVT_LEFT_DOWN, self.OnDrawDot)
  69
  70
  71         # Setup the layout
  72         gbs = wx.GridBagSizer()
  73         gbs.Add(self.cb, (2,1))
  74         gbs.Add(self.tx, (2,3))
  75         gbs.Add(self.win, (5,0), (1, 6), wx.ALIGN_CENTER)
  76         self.SetSizer(gbs)
  77
  78
  79     def OnChooseCursor(self, evt):
  80         # clear the dots
  81         self.win.Refresh()
  82
  83         choice = self.cb.GetStringSelection()
  84         self.log.write("Selecting the %s cursor\n" % choice)
  85
  86         cnum = cursors[choice]
  87
  88         if cnum == CUSTOMID:
  89             image = images.getBlom12Image()
  90             image.SetMaskColour(255, 255, 255)
  91
  92             # since this image didn't come from a .cur file, tell it where the hotspot is
  93             image.SetOptionInt(wx.IMAGE_OPTION_CUR_HOTSPOT_X, 0)
  94             image.SetOptionInt(wx.IMAGE_OPTION_CUR_HOTSPOT_Y, 22)
  95
  96             # make the image into a cursor
  97             cursor = wx.CursorFromImage(image)
  98
  99         else:
 100             # create one of the stock (built-in) cursors
 101             cursor = wx.StockCursor(cnum)
 102
 103         # set the cursor for the window
 104         self.win.SetCursor(cursor)
 105
 106
 107     def OnDrawDot(self, evt):
 108         # Draw a dot so the user can see where the hotspot is
 109         dc = wx.ClientDC(self.win)
 110         dc.SetPen(wx.Pen("RED"))
 111         dc.SetBrush(wx.Brush("RED"))
 112         pos = evt.GetPosition()
 113         dc.DrawCircle(pos.x, pos.y, 4)
 114
 115
 116 #----------------------------------------------------------------------
 117
 118 def runTest(frame, nb, log):
 119     win = TestPanel(nb, log)
 120     return win
 121
 122 #----------------------------------------------------------------------
 123
 124
 125
 126 overview = """<html><body>
 127 <h2><center>wx.Cursor</center></h2>
 128
 129 This demo shows the stock mouse cursors that are available to wxPython.
 130
 131 </body></html>
 132 """
 133
 134
 135
 136 if __name__ == '__main__':
 137     import sys,os
 138     import run
 139     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
 140