On Tue, 31 Jul 2007 17:33:12 +0200
zeljko <[EMAIL PROTECTED]> wrote:
> On Tuesday 31 July 2007 16:07, Mattias Gaertner wrote:
> > On Tue, 31 Jul 2007 09:39:04 -0400
> >
> > "Hess, Philip J" <[EMAIL PROTECTED]> wrote:
> > > SetMapMode is a uniquely powerful API function. The MM_ANISOTROPIC
> > > mode lets you work with any logical units you want (for example,
> > > high resolution) and let the GDI map them to lower-res units (for
> > > example, screen coordinates). Of course, to be useful we would
> > > also need SetWindowExtEx and SetViewportExtEx.
> > >
> > > It appears as though implementing these in win32winapi.inc would
> > > only take one line of code each (pass through to Windows unit). I
> > > don't have any idea of what implementing these functions in other
> > > widgetsets would take.
> >
> > Of course it is a one liner in win32winapi ;).
> > The question is how to do it in the other default widgetset: gtk.
> > I see 3 possibilities:
> > 1. Find a solution how to do it in gtk
> > 2. Improve the qt widgetset to become better than the gtk widgetset
> > and implement the qt SetMapMode
> > 3. Write a pascal unit with SetMapMode(s) for the various platforms
> > and add it to virtualtree. Then advice the users that vt needs
> > qt or win32/64.
>
> hum...I've read at lazarus virtualtree pages that it works with
> gtk,win32 but cannot work with qt (maybe old news). So that means
> that gtk vt implementation have SetMapMode() ?!?! I think that I have
> to make deeper check of vt code.
No, I think, vt simply called the SetMapMode function, which did
nothing under LCL. Maybe vt needs SetMapMode only in rare cases or not
all?
Mattias
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