Christopher Barker wrote:
>
> Paul McNett wrote:
>> I've been using FloatCanvas for 2 years now to draw a visual of a
>> manufactured product. Each component going into the product can be
>> clicked on by the user, and from their they can change dimensions and
>> other properties. Couldn't be much slicker, and I'm really happy.
>
> glad to hear it!
>
>> However, Mac has these really juicy backgrounds like the alternating
>> grey/silver stripes,
>
> I've noticed this, and have had issues with another app as well. We
> never solved it there, actually. WE used to blit the background from the
> clientDC after clearing, but the Mac no longer allows that, and you're
> right, if you draw nothing, it doesn't properly clear the background.
>
> I think what's missing is a call to the Mac Window system telling it to
> clear the Window and restore the nifty background -- I'm pretty sure
> ClientDC.Clear() ( or PaintDC.Clear() ) will only paint the background
> color, of, if that is none or transparent, it doesn't do anything.
You can paint with the themed background by using a special brush. See
wx/lib/stattext.py for an example. In 2.8 it's something like this:
if wx.Platform == "__WXMAC__":
backBrush.MacSetTheme(kThemeBrushDialogBackgroundActive)
In 2.9 it will change and be a bit better integrated, and something like
this will do it:
if wx.Platform == "__WXMAC__":
themeColour =
wx.MacThemeColour(kThemeBrushDialogBackgroundActive)
backBrush = wx.Brush(themeColour)
You can get the theme constant like this:
if wx.Platform == "__WXMAC__":
from Carbon.Appearance import kThemeBrushDialogBackgroundActive
--
Robin Dunn
Software Craftsman
http://wxPython.org Java give you jitters? Relax with wxPython!
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