[GRASS-dev] splash screen image comes up too late [Re: Planning GRASS GIS 7.0.0RC2]

[Moritz Lennert]

On 09/02/15 15:32, Anna Petrášová wrote:
>
>
> On Mon, Feb 9, 2015 at 7:50 AM, Martin Landa <landa.martin at gmail.com
> <mailto:landa.martin at gmail.com>> wrote:
>
>     Hi,
>
>     2015-02-09 9:37 GMT+01:00 Moritz Lennert
>     <mlennert at club.worldonline.be <mailto:mlennert at club.worldonline.be>>:
>     > I agree, again especially if I'm the only one with this issue.
>     >
>     > Don't change the startup logic with RC2. If this needs changing then this
>     > should go into a point release.
>
>     Absolutely agree.
>
>     > FYI, however, here's a movie showing the three GUI startups in release64,
>     > release70 and trunk, all three completely fresh checkouts and compiles:
>     >
>     >http://tomahawk.ulb.ac.be/moritz/splash_screen.ogv
>
>     BTW, it's quite visible here that wxGUI in trunk starts more slowly
>     (related to the recent changes in wxgui.py) compared to GRASS 70.
>
>
> Perhaps we should go back  to the previous version. I would suggest to
> move the GMFrame import after showing the splash screen (the diff is for
> release branch):
>
> ===================================================================
> --- wxgui.py(revision 64473)
> +++ wxgui.py(working copy)
> @@ -34,9 +34,7 @@
>   except ImportError:
>       SC = None
> -from lmgr.frame import GMFrame
>   class GMApp(wx.App):
>       def __init__(self, workspace = None):
>           """ Main GUI class.
> @@ -79,6 +77,7 @@
>           wx.Yield()
>           # create and show main frame
> +        from lmgr.frame import GMFrame
>           mainframe = GMFrame(parent = None, id = wx.ID_ANY,
>                               workspace = self.workspaceFile)
>
> as a result on my computer, the splash screen is showed earlier. It
> probably won't effect the problem Moritz has, but it's worth trying.

It doesn't seem to make any difference here. I don't have the feeling 
that the splash screen is shown any earlier, and the splash image still 
only fills the splash screen at the same moment the GUI comes up.

> I
> also saw someone mentioning calling Refresh() and Update() on the splash
> screen after showing it. Then, there is a more complicated solution
> http://wiki.wxpython.org/SplashScreen%20While%20Loading.

This is via a fork. Am not informed enough to know what the difference 
between that and threading is.

Moritz