Ok, here's another one for the brain trust...
I'm creating windows in a tasktray application (Windows 7 64-bit). These
"child" windows inherit from QWidget and are not parented, but they are being
created by the main application.
I can "glue" them to the screen (i.e., top of Z order) using the
Qt::WindowStaysOnTopHint flag, and that works perfectly. However, I want to
"glue" them to the desktop instead (i.e., bottom of Z order), and using
Qt::WindowStaysOnBottomHint doesn't appear to accomplish that with the same
persistence as Qt::WindowStaysOnTopHint, at least under Windows.
I understand this may require a platform-specific solution, and I can accept
that since this tool will probably only be used under Windows. I even tried
using SetWindowPos() directly after opening the window:
void Headline::showEvent(QShowEvent *event)
{
QWidget::showEvent(event);
SetWindowPos((HWND)winId(), HWND_BOTTOM, 0, 0, 0, 0,
SWP_NOACTIVATE|SWP_NOMOVE|SWP_NOSIZE);
}
But that doesn't seem to maintain the order. I'm also using
Qt::WA_ShowWithoutActivating, and that seems to work, but once I move the
window (using QPropertyAnimation, for example), activation and Z-order
shifting become an issue.I guess my question becomes: Is there a way to force
a window to the background behind all other windows, and /keep/it there even
if it is being interacted with--programmatically or, for example, by the user
clicking on it? Something tells me that intercepting and ignoring events
might do it, but I'm not sure if that's the right approach.
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