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Round up the virtual size to be a multiple of the scroll rate

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@20414 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
2003-05-01 17:54:05 +00:00
parent ef1694d6f0
commit d7116a786d
1 changed files with 14 additions and 4 deletions
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18
wxPython/wxPython/lib/scrolledpanel.py
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@@ -27,8 +27,10 @@ as a proper class (and the demo is now converted to just use it.)
pos=pos, size=size,
style=style, name=name)
EVT_CHILD_FOCUS(self, self.OnChildFocus)
def SetupScrolling(self, scroll_x=True, scroll_y=True, rate_x=1, rate_y=1):
def SetupScrolling(self, scroll_x=True, scroll_y=True, rate_x=20, rate_y=20):
"""
This function sets up the event handling necessary to handle
scrolling properly. It should be called within the __init__
@@ -42,10 +44,18 @@ as a proper class (and the demo is now converted to just use it.)
if not scroll_x: rate_x = 0
if not scroll_y: rate_y = 0
self.SetScrollRate(rate_x, rate_y)
# Round up the virtual size to be a multiple of the scroll rate
sizer = self.GetSizer()
if sizer:
w, h = sizer.GetMinSize()
if rate_x:
w += rate_x - (w % rate_x)
if rate_y:
h += rate_y - (h % rate_y)
self.SetVirtualSize( (w, h) )
self.SetVirtualSizeHints( w, h )
self.GetSizer().SetVirtualSizeHints(self)
EVT_CHILD_FOCUS(self, self.OnChildFocus)
self.SetScrollRate(rate_x, rate_y)
wxCallAfter(self.Scroll, 0, 0) # scroll back to top after initial events