[wxpython-users] TextCtrl wx.EVT_SET_FOCUS

[Aigars Aigars]

Good day all,

I have code as below, and want to find solution for two cases:

1st case - when wx.TextCtrl gots focus (with TAB or ALT+HotKey) - it
has all text selected.
I want the text not been selected and cursor stands at beginning of
text. I have cought wx.EVT_SET_FOCUS and set Selection = (0,0) and
InsertionPoint = 0, but appereantly there is another event, I can not
find,  that resets Selection to full text. Which is that event, and
how to change selection OnGotFocus?
2nd case - when wx.TextCtrl gots focus, it has all text selected. If
the text entered in TextCtrl is longer than TextCtrl can display,
OnGotFocus it shows end of the entered text. I want the beginning to
be displayed. style=wx.TE_LEFT doesnot change that. Is there a
solution?

There is my code, 
thanks in advance.

 import wx

class Form_Main(wx.Frame):
    def __init__(self, *args, **kwds):
        kwds["style"] = wx.DEFAULT_FRAME_STYLE
        wx.Frame.__init__(self, *args, **kwds)
        self.SetSize((800, 450))
        self.panel_1 = wx.Panel(self, -1)
        self.panel_1.SetMinSize((300, 100))
        self.label_1 = wx.StaticText(self.panel_1, -1, "Text &1")
        self.text_1 = Ctrl_Char(self.panel_1, -1)
        self.text_1.SetValue("1234567890ABCDEFGHIJKLMNOPRSTUVWXYZ")
        self.sizer_1 = wx.BoxSizer(wx.HORIZONTAL)
        self.sizer_1.Add(self.label_1, 0, wx.ALL, 5)
        self.sizer_1.Add(self.text_1, 0, wx.ALL, 5)
        self.label_2 = wx.StaticText(self.panel_1, -1, "Text &2")
        self.text_2 = Ctrl_Char(self.panel_1, -1)
        self.text_2.SetValue("1234567890ABCDEFGHIJKLMNOPRSTUVWXYZ")
        self.sizer_2 = wx.BoxSizer(wx.HORIZONTAL)
        self.sizer_2.Add(self.label_2, 0, wx.ALL, 5)
        self.sizer_2.Add(self.text_2, 0, wx.ALL, 5)
        self.label_3 = wx.StaticText(self.panel_1, -1, "Text &3")
        self.text_3 = Ctrl_Char(self.panel_1, -1)
        self.text_3.SetValue("1234567890ABCDEFGHIJKLMNOPRSTUVWXYZ")
        self.sizer_3 = wx.BoxSizer(wx.HORIZONTAL)
        self.sizer_3.Add(self.label_3, 0, wx.ALL, 5)
        self.sizer_3.Add(self.text_3, 0, wx.ALL, 5)
        sizer_Main = wx.BoxSizer(wx.VERTICAL)
        sizer_Main.Add(self.sizer_1, 0, wx.ALL, 5)
        sizer_Main.Add(self.sizer_2, 0, wx.ALL, 5)
        sizer_Main.Add(self.sizer_3, 0, wx.ALL, 5)
        self.panel_1.SetSizer(sizer_Main)    
class Ctrl_Char(wx.TextCtrl):
    def __init__(self, Parent, ID):
                wx.TextCtrl.__init__(self, Parent, ID,
style=wx.WANTS_CHARS|wx.TE_LEFT) 
        self.Bind(wx.EVT_SET_FOCUS, self.OnGotFocus)
        self.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown)
        self.Bind(wx.EVT_KEY_UP, self.OnKeyUp)
        self.Bind(wx.EVT_KILL_FOCUS, self.OnLostFocus)
        self.Bind(wx.EVT_TEXT, self.OnEdit)
    def OnGotFocus(self, event):
        print "OnGotFocus"
        self.SetInsertionPoint(0)
        self.SetSelection(0,0)
        event.Skip()
        print "Insertion point = %s, Selection = (%s, %s)" %
(self.GetInsertionPoint(),         self.GetSelection()[0],
self.GetSelection()[1])
    def OnKeyDown(self, event):
        print "OnKeyDown - " + str(event.GetKeyCode())
        event.Skip()
    def OnKeyUp(self, event):
        print "OnKeyUp - " + str(event.GetKeyCode())        
        event.Skip()
    def OnLostFocus(self, event):
        print "OnLostFocus" 
        event.Skip()
    def OnEdit(self, event):
        print "OnEdit - "" + str(event.GetString()) + """
        event.Skip()
class MyApp(wx.App):
    def OnInit(self):
        wx.InitAllImageHandlers()
        GLapp = Form_Main(None, -1, "")
        self.SetTopWindow(GLapp)
        GLapp.Show()
        return 1
if __name__ == "__main__":
    app = MyApp(0)
    app.MainLoop()    

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