[Hacktoberfest] Improving Hi-DPI support on Windows as a Community

[Tom Glod]

Thanks everyone for your efforts on this and other bugs.

On Tue, Nov 6, 2018 at 12:10 PM, Trevor DeVore via use-livecode <
use-livecode at lists.runrev.com> wrote:

> On Mon, Nov 5, 2018 at 11:15 PM Trevor DeVore <lists at mangomultimedia.com>
> wrote:
>
> > On Thu, Oct 11, 2018 at 10:40 AM Trevor DeVore <
> lists at mangomultimedia.com>
> > wrote:
> >
> >> I'm aware of the following limitations and bugs around Hi-DPI support on
> >> Windows:
> >>
> >> 1. The `screenPixelScales` reports the pixelScale of the primary monitor
> >> for all attached monitors. For example, if you have a Windows 10
> computer
> >> with two monitors attached and the primary monitor is set to displays at
> >> 100% (1.0 pixelScale) and a second monitor at 200% (2.0 pixelScale) then
> >> the `screenPixelScales` returns `1.0\n1.0` when it should return
> `1.0\n2.0`.
> >>
> >> https://quality.livecode.com/show_bug.cgi?id=19542
> >>
> >
> > An update for anyone interested. Today I finished setting up a build
> > environment for LiveCode Community on Windows and I started doing some
> > testing. Fixing `the screenPixelScales` issue was actually really easy.
> It
> > was just a matter of adding some XML to the engine/standalone manifests.
> > You can see what I've changed so far at the following url. It compares a
> > branch I created to the LiveCode develop-9.0 branch:
> >
> >
> > https://github.com/livecode/livecode/compare/develop-9.0..
> .trevordevore:tkd-dpiawareness?expand=1
> >
> > The next item of business is to update `the screenPixelScale of stack
> > tStack`. It currently returns the wrong value on secondary displays. I'm
> > guessing it involves switching to GetDpiForWindow() in the code.
> >
>
>  There isn't actually a `screenPixelScale` property for a stack so ignore
> the comment above.
>
> I have done a fair bit of testing and further research. I've updated the
> bug report with my notes:
>
> https://quality.livecode.com/show_bug.cgi?id=19542#c6
>
> If anyone feels they can jump in and provide some additional coding or
> testing it would be great.
>
> --
> Trevor DeVore
> ScreenSteps
> www.screensteps.com
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