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"""
See documentation for CustomScrolledPanel which is defined in this module.
"""
import wx.lib.scrolledpanel
class CustomScrolledPanel(wx.lib.scrolledpanel.ScrolledPanel):
"""
A subclass of wx.lib.scrolledpanel.ScrolledPanel, which implements
usage of the Home and the End keys.
"""
def __init__(self, *args, **kwargs):
wx.lib.scrolledpanel.ScrolledPanel.__init__(self, *args, **kwargs)
self.Bind(wx.EVT_KEY_DOWN, self.on_key_down)
def on_key_down(self, event):
"""
Event handler for the key-down event.
"""
key = event.GetKeyCode()
if key in (wx.WXK_HOME, wx.WXK_NUMPAD_HOME):
self.scroll_home()
return
elif key in (wx.WXK_END, wx.WXK_NUMPAD_END):
self.scroll_end()
return
else:
event.Skip()
def scroll_home(self):
"""
Scrolls the panel to its top.
"""
self.Scroll(-1, 0)
def scroll_end(self):
"""
Scrolls the panel to its bottom.
"""
bottom = self.GetVirtualSize()[1]
self.Scroll(-1, bottom)
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