On 09/17/2013 05:24 AM, Ed Leafe wrote:
On Sep 16, 2013, at 10:37 PM, Paul McNett <p...@ulmcnett.com> wrote:
The different platforms are different in this regard. Try panel.BackColor =
None.
Alternatively, why not add a gradient to the panel? You can use:
self.gradient = self.drawGradient(orientation="v", color1="grey",
color2="white")
to create a gradient on the form's main panel. Note that depending on the
platform, the gradient may be redrawn on top of the controls, so you'll have to
add a bunch of refresh() calls in those cases to make the controls re-appear on
top of the gradient.
You can make the panel transparent by setting its Transparency=0, but
everything contained by it will also be transparent, and that would make for a
difficult-to-use UI.
-- Ed Leafe
Thanks for the info guys.
I was able to get the gradient working for the form's main panel (see
code below). But of course as I attempted to add dPanels I got mixed
results. Normally I create sections on the form (i.e. address section,
a grid section, etc..) to help with the layout and the sections actually
help me with code reuse. I couldn't find a way to get any of the panels
to allow transparency. To simulate the transparency I was able to use a
gradient background on the panels. I got close but it had to match
exactly or it looked funny. But then the issue of resizing the form
exasperated the problem of the background color mis-match. I considered
using a dynamic way to set the color using the 'onPaint' method -
changing the colors as needed and matching the parent. I haven't
completed my coding for that experiment and don't know if it's
possible. I am a little concerned with the performance hit but that
remains to be seen.
I was able to determine that the dBorderSizer works - that is it
provided the transparency. It also helped with the layout. But of
course it's not a complete replacement for a panel.
It also occurred to me that I could use a combination of the
dBorderSizer on panels with gradient backgrounds and have the panels
slide in and out. It would be similar to the UI/UX on tablets and
phones. I know this would work because years ago Larry Long wrote a
routine that allowed panels to appear and disappear. However, Larry's
routine did not slide - there was no animation of the panel sliding.
But I think it can be done. As time allows I'll try combining of these
routines and add a little animation.
def onPaint(self, evt):
#trying to simulate the MS windows gradient background
dc = wx.PaintDC(self)
x = 0
y = 0
w, h = self.GetSize()
dc.GradientFillLinear((x, y, w, h), 'light blue',wx.Color(0,
100, 254), 1)
Johnf
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