How to keep one of my application windows on top of the other windows of the same application?

I have a Motif-based notepad-like legacy application.

I would like the modeless "Find/Replace" dialog (which is a Motif TopLevelShell) to always stay on top of the other windows of my application, but not on top of other applications.

I don't see any Motif-specific setting to do this.

KDE allows me to set window-specific behavior, but I can only make the "Find/Replace" window stay on top of all windows, which isn't right.

What is the correct way to force one of my application windows to st开发者_高级运维ay on top of the other windows of the same application? Is it possible at all? Is there a way to do it in Motif? KDE? Do I have to drop down to an X call?

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If you use a DialogShell then this behavior happens automatically. DialogShells are not modal by default, and do work well for file open and find/replace. Here is a quote from the Motif book:

A DialogShell is always placed on top of the shell widget that owns the parent of the DialogShell.

Dialogs are described well in chapter 5.

Sorry for being 12 years late!

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You can subclass KDialog http://api.kde.org/4.x-api/kdelibs-apidocs/kdeui/classKDialog.html#10744dda705aa265a43becab32a43ea4

with Qt::WA_ShowModal attribute http://doc.qt.nokia.com/4.0/qt.html#WindowType-enum

KDialog dialog(parent, Qt::WA_ShowModal)
dialog.exec()

Maybe it's not what you want, but ...