wxWidgets/wxPython/demo/ScrolledPanel.py
Robin Dunn 7681345971 bug fix
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16395 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2002-08-07 21:05:58 +00:00

98 lines
3.0 KiB
Python

from wxPython.wx import *
#----------------------------------------------------------------------
text = "one two buckle my shoe three four shut the door five six pick up sticks seven eight lay them straight nine ten big fat hen"
class ScrolledPanel(wxScrolledWindow):
def __init__(self, parent, log):
self.log = log
wxScrolledWindow.__init__(self, parent, -1,
style = wxTAB_TRAVERSAL)
box = wxBoxSizer(wxVERTICAL)
box.Add(wxStaticText(self, -1,
"This sample shows how to make a scrollable data entry \n"
"form by using a wxSizer in a wxScrolledWindow."),
0, wxCENTER|wxALL, 5)
box.Add(wxStaticLine(self, -1), 0, wxEXPAND|wxALL, 5)
fgs = wxFlexGridSizer(cols=2, vgap=4, hgap=4)
fgs.AddGrowableCol(1)
# Add some spacers
fgs.Add(75, 10)
fgs.Add(150, 10)
for word in text.split():
label = wxStaticText(self, -1, word+":")
tc = wxTextCtrl(self, -1, word)
fgs.Add(label, flag=wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL)
fgs.Add(tc, flag=wxEXPAND)
box.Add(fgs, 1)
box.Add(10, 40) # some more empty space at the bottom
self.SetSizer(box)
# The following is all that is needed to integrate the sizer and the
# scrolled window. In this case we will only support vertical scrolling.
self.EnableScrolling(false, true)
self.SetScrollRate(0, 20)
box.SetVirtualSizeHints(self)
EVT_CHILD_FOCUS(self, self.OnChildFocus)
wxCallAfter(self.Scroll, 0, 0) # scroll back to top after initial events
def OnChildFocus(self, evt):
# If the child window that gets the focus is not visible,
# this handler will try to scroll enough to see it. If you
# need to handle horizontal auto-scrolling too then this will
# need adapted.
evt.Skip()
child = evt.GetWindow()
sppu_y = self.GetScrollPixelsPerUnit()[1]
vs_y = self.GetViewStart()[1]
cpos = child.GetPosition()
csz = child.GetSize()
# is it above the top?
if cpos.y < 0:
new_vs = cpos.y / sppu_y
self.Scroll(-1, new_vs)
# is it below the bottom ?
if cpos.y + csz.height > self.GetClientSize().height:
diff = (cpos.y + csz.height - self.GetClientSize().height) / sppu_y
self.Scroll(-1, vs_y + diff + 1)
#----------------------------------------------------------------------
def runTest(frame, nb, log):
win = ScrolledPanel(nb, log)
return win
#----------------------------------------------------------------------
overview = """<html><body>
This sample shows how to make a scrollable data entry form by
using a wxSizer in a wxScrolledWindow.
</body></html>
"""
if __name__ == '__main__':
import sys,os
import run
run.main(['', os.path.basename(sys.argv[0])])