*modal-dialogs-disable-owner*

If the value of this variable is true, then when a modal dialog is shown, its owner window (if any) and all of its descendent windows are disabled so that the user cannot interact with them until they exit the modal dialog. If nil, then other windows are not disabled, though the modal dialog will still stay in front of its owner window and its descendents.

Normally the value of this variable should be true, because a modal dialog is intended to block the user from other activity. On Windows the initial value is true.

On GTK, the initial value is currently nil, because it may take a significant amount of time to disable other windows (apparently to redraw them all in a grayed-out manner). If this delay is acceptable then you may want to set the value of this variable to true on GTK as well.

See pop-up-modal-dialog.

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This page was not revised from the 10.0 page.
Created 2019.8.20.