Space bar key opens the next image. When the user reach the last image and press "space" one more time, it will be shown a message with three options. If the user press the space key again, it looks like a new message is opened in front of the previous message.
Steps to Reproduce:
1. start gwenview
2. press space bar key until you reach the last image
3. press space again, and again and again...
I can confirm this bug.
Initially, I thought the opacity of the dialog was being incremented at every subsequent 'space' hit. When I actually tried to dismiss the dialog, I understood it was multiple widgets stacked one over another.
Together with bug #334847, this options list is an unwanted inconvenience.
*** This bug has been marked as a duplicate of bug 334847 ***