GUI in Python using wxGlade

diffuser78 at gmail.com diffuser78 at gmail.com
Fri Jun 16 15:08:33 CEST 2006


Did you paste any code ?

Also the link for the next message is not working .....


John Salerno wrote:
> diffuser78 at gmail.com wrote:
> > I am a newbie. I was looking for some code where I could a list of
> > different items from a file and display it in a list box. Then give a
> > user the capability to select some.
> >
> > Basically, reading and writing to a file and displaying them in
> > different widgets...thats something I am looking for. If anybody can
> > point me to some good example tutorials...I will be greatly helped.
> >
> > Thanks,
> >
> > Every help is appreciated
> >
>
> Have you tried looking at the code in the wxPython demo? In the ListBox
> control demo, it populates a ListBox with items from a list, but you
> could easily translate that into reading from a file, I think. Here's
> the full code in case you don't have the demo:
>
>
> >
> > import  wx
> >
> > #---------------------------------------------------------------------------
> >
> > # This listbox subclass lets you type the starting letters of what you want to
> > # select, and scrolls the list to the match if it is found.
> > class FindPrefixListBox(wx.ListBox):
> >     def __init__(self, parent, id, pos=wx.DefaultPosition, size=wx.DefaultSize,
> >                  choices=[], style=0, validator=wx.DefaultValidator):
> >         wx.ListBox.__init__(self, parent, id, pos, size, choices, style, validator)
> >         self.typedText = ''
> >         self.log = parent.log
> >         self.Bind(wx.EVT_KEY_DOWN, self.OnKey)
> >
> >
> >     def FindPrefix(self, prefix):
> >         self.log.WriteText('Looking for prefix: %s\n' % prefix)
> >
> >         if prefix:
> >             prefix = prefix.lower()
> >             length = len(prefix)
> >
> >             # Changed in 2.5 because ListBox.Number() is no longer supported.
> >             # ListBox.GetCount() is now the appropriate way to go.
> >             for x in range(self.GetCount()):
> >                 text = self.GetString(x)
> >                 text = text.lower()
> >
> >                 if text[:length] == prefix:
> >                     self.log.WriteText('Prefix %s is found.\n' % prefix)
> >                     return x
> >
> >         self.log.WriteText('Prefix %s is not found.\n' % prefix)
> >         return -1
> >
> >
> >     def OnKey(self, evt):
> >         key = evt.GetKeyCode()
> >
> >         if key >= 32 and key <= 127:
> >             self.typedText = self.typedText + chr(key)
> >             item = self.FindPrefix(self.typedText)
> >
> >             if item != -1:
> >                 self.SetSelection(item)
> >
> >         elif key == wx.WXK_BACK:   # backspace removes one character and backs up
> >             self.typedText = self.typedText[:-1]
> >
> >             if not self.typedText:
> >                 self.SetSelection(0)
> >             else:
> >                 item = self.FindPrefix(self.typedText)
> >
> >                 if item != -1:
> >                     self.SetSelection(item)
> >         else:
> >             self.typedText = ''
> >             evt.Skip()
> >
> >     def OnKeyDown(self, evt):
> >         pass
> >
> >
> > #---------------------------------------------------------------------------
> >
> > class TestListBox(wx.Panel):
> >     def __init__(self, parent, log):
> >         self.log = log
> >         wx.Panel.__init__(self, parent, -1)
> >
> >         sampleList = ['zero', 'one', 'two', 'three', 'four', 'five',
> >                       'six', 'seven', 'eight', 'nine', 'ten', 'eleven',
> >                       'twelve', 'thirteen', 'fourteen']
> >
> >         wx.StaticText(self, -1, "This example uses the wx.ListBox control.", (45, 10))
> >         wx.StaticText(self, -1, "Select one:", (15, 50))
> >         self.lb1 = wx.ListBox(self, 60, (100, 50), (90, 120), sampleList, wx.LB_SINGLE)
> >         self.Bind(wx.EVT_LISTBOX, self.EvtListBox, self.lb1)
> >         self.Bind(wx.EVT_LISTBOX_DCLICK, self.EvtListBoxDClick, self.lb1)
> >         self.lb1.Bind(wx.EVT_RIGHT_UP, self.EvtRightButton)
> >         self.lb1.SetSelection(3)
> >         self.lb1.Append("with data", "This one has data");
> >         self.lb1.SetClientData(2, "This one has data");
> >
> >
> >         wx.StaticText(self, -1, "Select many:", (220, 50))
> >         self.lb2 = wx.ListBox(self, 70, (320, 50), (90, 120), sampleList, wx.LB_EXTENDED)
> >         self.Bind(wx.EVT_LISTBOX, self.EvtMultiListBox, self.lb2)
> >         self.lb2.Bind(wx.EVT_RIGHT_UP, self.EvtRightButton)
> >         self.lb2.SetSelection(0)
> >
> >         sampleList = sampleList + ['test a', 'test aa', 'test aab',
> >                                    'test ab', 'test abc', 'test abcc',
> >                                    'test abcd' ]
> >         sampleList.sort()
> >         wx.StaticText(self, -1, "Find Prefix:", (15, 250))
> >         fp = FindPrefixListBox(self, -1, (100, 250), (90, 120), sampleList, wx.LB_SINGLE)
> >         fp.SetSelection(0)
> >
> >
> >     def EvtListBox(self, event):
> >         self.log.WriteText('EvtListBox: %s, %s, %s, %s\n' %
> >                            (event.GetString(),
> >                             event.IsSelection(),
> >                             event.GetSelection(),
> >                             event.GetClientData()))
> >
> >         lb = event.GetEventObject()
> >         data = lb.GetClientData(lb.GetSelection())
> >
> >         if data is not None:
> >             self.log.WriteText('\tdata: %s\n' % data)
> >
> >
> >     def EvtListBoxDClick(self, event):
> >         self.log.WriteText('EvtListBoxDClick: %s\n' % self.lb1.GetSelection())
> >         self.lb1.Delete(self.lb1.GetSelection())
> >
> >     def EvtMultiListBox(self, event):
> >         self.log.WriteText('EvtMultiListBox: %s\n' % str(self.lb2.GetSelections()))
> >
> >     def EvtRightButton(self, event):
> >         self.log.WriteText('EvtRightButton: %s\n' % event.GetPosition())
> >
> >         if event.GetEventObject().GetId() == 70:
> >             selections = list(self.lb2.GetSelections())
> >             selections.reverse()
> >
> >             for index in selections:
> >                 self.lb2.Delete(index)
> >
> >
> > #---------------------------------------------------------------------------
> >
> > def runTest(frame, nb, log):
> >     win = TestListBox(nb, log)
> >     return win
> >
> > #---------------------------------------------------------------------------
> >
> >
> >
> >
> > overview = """<html><body>
> > A listbox is used to select one or more of a list of
> > strings. The strings are displayed in a scrolling box, with the
> > selected string(s) marked in reverse video. A listbox can be single
> > selection (if an item is selected, the previous selection is removed)
> > or multiple selection (clicking an item toggles the item on or off
> > independently of other selections).
> > </body></html>
> > """
> >
> >
> > if __name__ == '__main__':
> >     import sys,os
> >     import run
> >     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
> >




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