Il 28/06/2014 09:16, Hans-Peter Diettrich ha scritto:
Giuliano Colla schrieb:
Whenever you need a form to "stay on top" you never know if it'll
work or not. For Gtk2, it did work on Lazarus 1.0.8, but it
stopped working since Lazarus 1.1. This means that a user may lose
an alarm which pops up, because he inadvertently touched the
larger form.
I just got some information about this issue, when I encounterd
z-order problems with a Delphi XE application. Here's what Peter Below
wrote, most LCL developers will be able to read this:
[...]
It's no wonder that changing the hierarchy something may go wrong. LCL
developers may look into that.
But what I see, as a user, is that 10 year old libraries (those of
Kylix), survive to all Linux, libc, X11, and Desktop evolutions, and
what was running under a 2.4 kernel and KDE 2, still runs (keeping the
correct Z-order, among all other things) under a 3.x kernel, KDE 4 etc.
Maybe a more conservative approach, i.e. avoiding to take advantage of
all the fancy new features of widgetsets, libraries, etc. and relying
only on basic functions, which are much less likely to change in time,
could save a lot of headaches.
Giuliano
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