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# Distributed under the terms of the GPL (GNU Public License)
#
# DrPython is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# drListBox
# because on gtk, the keyboard key don't jump to the correspondent entry
#"""ListBox on Linux"""
import wx
class drListBox(wx.ListBox):
def __init__(self, parent, *args, **kwargs):
super(drListBox, self).__init__(parent, *args, **kwargs)
if wx.Platform == "__WXGTK__":
self.Bind(wx.EVT_KEY_DOWN, self.OnKey)
def OnKey(self, event):
i0 = self.GetSelection()
i1 = None
p = 10 #todo: calculate steps; here six is a good value (on windows)
key = event.GetKeyCode()
if key >= 32 and key <= 127:
s = chr(key)
#start from actual pos
for i in range(i0 + 1, self.GetCount()):
t = self.GetString(i)[0].upper()
if t == s:
i1 = i
break
if i1 == None: #try again from begining
for i in range(i0):
t = self.GetString(i)[0].upper()
if t == s:
i1 = i
break
elif key == wx.WXK_UP:
i1 = i0 - 1
elif key == wx.WXK_DOWN:
i1 = i0 + 1
elif key == wx.WXK_PRIOR:
i1 = i0 - p
elif key == wx.WXK_NEXT:
i1 = i0 + p
elif key == wx.WXK_HOME:
i1 = 0
elif key == wx.WXK_END:
i1 = self.GetCount()
if i1 is None:
return
i1 = max(i1, 0)
i1 = min(i1, self.GetCount() - 1)
self.SetSelection(i1)
#self.lb1.EnsureVisible(i1) #Doesn't work on gtk
#todo: compare with windows
self.SetFirstItem(i1)
#event.Skip()
if __name__ == "__main__":
app = wx.App()
win = wx.Frame(None, title="Hello drListBox Test!")
w = drListBox(win, choices=["APython", "DPython", "DrPython", "DwxPython", "ZPython"])
w.SetFocus()
w.SetSelection(0)
win.Show()
app.MainLoop()
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