| | 1 | |
| | 2 | import wx |
| | 3 | import wx.xrc as xrc |
| | 4 | |
| | 5 | #---------------------------------------------------------------------- |
| | 6 | |
| | 7 | resourceText = r'''<?xml version="1.0"?> |
| | 8 | <resource> |
| | 9 | |
| | 10 | <!-- Notice that the class IS a standard wx class, and a custom |
| | 11 | subclass is specified as "moduleName.ClassName" Try changing |
| | 12 | the classname to one that does not exist and see what happens --> |
| | 13 | |
| | 14 | <object class="wxPanel" subclass="XmlResourceSubclass.MyCustomPanel" name="MyPanel"> |
| | 15 | <size>200,100</size> |
| | 16 | <object class="wxStaticText" name="label1"> |
| | 17 | <label>This panel is a custom class derived from wx.Panel,\nand is loaded by a custom XmlResourceHandler.</label> |
| | 18 | <pos>10,10</pos> |
| | 19 | </object> |
| | 20 | </object> |
| | 21 | </resource> |
| | 22 | ''' |
| | 23 | |
| | 24 | #---------------------------------------------------------------------- |
| | 25 | |
| | 26 | class MyCustomPanel(wx.Panel): |
| | 27 | def __init__(self): |
| | 28 | p = wx.PrePanel() |
| | 29 | # the Create step is done by XRC. |
| | 30 | self.PostCreate(p) |
| | 31 | self.Bind(wx.EVT_WINDOW_CREATE, self.OnCreate) |
| | 32 | self.Bind(wx.EVT_SIZE, self.OnSize) |
| | 33 | |
| | 34 | |
| | 35 | def OnCreate(self, evt): |
| | 36 | # This is the little bit of customization that we do for this |
| | 37 | # silly example. It could just as easily have been done in |
| | 38 | # the resource. We do it in the EVT_WINDOW_CREATE handler |
| | 39 | # because the window doesn't really exist yet in the __init__. |
| | 40 | if self is evt.GetEventObject(): |
| | 41 | t = wx.StaticText(self, -1, "MyCustomPanel") |
| | 42 | f = t.GetFont() |
| | 43 | f.SetWeight(wx.BOLD) |
| | 44 | f.SetPointSize(f.GetPointSize()+2) |
| | 45 | t.SetFont(f) |
| | 46 | self.t = t |
| | 47 | # On OSX the EVT_SIZE happens before EVT_WINDOW_CREATE !?! |
| | 48 | # so give it another kick |
| | 49 | wx.CallAfter(self.OnSize, None) |
| | 50 | evt.Skip() |
| | 51 | |
| | 52 | def OnSize(self, evt): |
| | 53 | if hasattr(self, 't'): |
| | 54 | sz = self.GetSize() |
| | 55 | w, h = self.t.GetTextExtent(self.t.GetLabel()) |
| | 56 | self.t.SetPosition(((sz.width-w)/2, (sz.height-h)/2)) |
| | 57 | |
| | 58 | #---------------------------------------------------------------------- |
| | 59 | |
| | 60 | |
| | 61 | class TestPanel(wx.Panel): |
| | 62 | def __init__(self, parent, log): |
| | 63 | self.log = log |
| | 64 | wx.Panel.__init__(self, parent, -1) |
| | 65 | |
| | 66 | # make the components |
| | 67 | label = wx.StaticText(self, -1, "The lower panel was built from this XML:") |
| | 68 | label.SetFont(wx.Font(12, wx.SWISS, wx.NORMAL, wx.BOLD)) |
| | 69 | |
| | 70 | text = wx.TextCtrl(self, -1, resourceText, |
| | 71 | style=wx.TE_READONLY|wx.TE_MULTILINE) |
| | 72 | text.SetInsertionPoint(0) |
| | 73 | |
| | 74 | line = wx.StaticLine(self, -1) |
| | 75 | |
| | 76 | # Load the resource |
| | 77 | res = xrc.EmptyXmlResource() |
| | 78 | res.LoadFromString(resourceText) |
| | 79 | |
| | 80 | # Now create a panel from the resource data |
| | 81 | panel = res.LoadPanel(self, "MyPanel") |
| | 82 | |
| | 83 | # and do the layout |
| | 84 | sizer = wx.BoxSizer(wx.VERTICAL) |
| | 85 | sizer.Add(label, 0, wx.EXPAND|wx.TOP|wx.LEFT, 5) |
| | 86 | sizer.Add(text, 1, wx.EXPAND|wx.ALL, 5) |
| | 87 | sizer.Add(line, 0, wx.EXPAND) |
| | 88 | sizer.Add(panel, 1, wx.EXPAND|wx.ALL, 5) |
| | 89 | |
| | 90 | self.SetSizer(sizer) |
| | 91 | self.SetAutoLayout(True) |
| | 92 | |
| | 93 | |
| | 94 | #---------------------------------------------------------------------- |
| | 95 | |
| | 96 | def runTest(frame, nb, log): |
| | 97 | win = TestPanel(nb, log) |
| | 98 | return win |
| | 99 | |
| | 100 | #---------------------------------------------------------------------- |
| | 101 | |
| | 102 | |
| | 103 | |
| | 104 | overview = """<html><body> |
| | 105 | <h2><center>wx.XmlResourceSubclass</center></h2> |
| | 106 | |
| | 107 | Sometimes it is necessary to use custom classes, but you still want |
| | 108 | them to be created from XRC. The subclass XRC attribute allows you to |
| | 109 | do that. |
| | 110 | |
| | 111 | </body></html> |
| | 112 | """ |
| | 113 | |
| | 114 | |
| | 115 | |
| | 116 | if __name__ == '__main__': |
| | 117 | import sys,os |
| | 118 | import run |
| | 119 | run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:]) |
| | 120 | |
projects / wxWidgets.git / blame_incremental