Created attachment 1502546 [details] screncast of blinking tooltips in gajim Description of problem: After upgrading my system from F28 to F29 I discovered that some GTK applications display tooltips incorrectly - the tooltips appears and disappears again in a rapid cycle. Since I have seen this in multiple applications, I am filling this under Gtk. Version-Release number of selected component (if applicable): gtk3-3.24.1-1.fc29.x86_64 liferea-1.12.4-1.fc29.x86_64 gajim-1.0.3-3.fc29.noarch How reproducible: 100 % Steps to Reproduce: See the attached screencast Additional info: In some applications or in some (not all) tooltips of certain applications, tooltips are OK. Here are some examples: gajim: tooltip above the contact in the roster blinks (see the screencast) liferea: tooltip of the RSS item blinks (e.g. when displaying the feed from xkcd.com, where almost every item has a tooltip). However, liferea top menu tooltips are steady xfce4-panel: I see something similar to what is described in bug #1645829 Thunar file manager: tooltips above the left panel (Places, Network, Devices) blink, while tooltips above the top menu do not Firefox: tooltips for the menu items nor for the page elements (xkcd.com, for example) do not blink, they are all displayed correctly This might be related to bug #1645829.
Is this hardware dependent? Can you reproduce this in another system? I am trying to understand if this graphics or gtk {3 vs 2} issue.
Hi Yenya, thanks for your support on bug 1645829. But, I don't see flashing on my Thunar. I agree, it looks a little similar to my issue, but my Thunar tooltips are missing entirely, but it doesn't flash. Wired. Yeah, okay, they could be related. Who knows.
Created attachment 1502916 [details] Panel and Thunar tooltips (intel hardware) Paul, maybe the tooltips appear and disappear too fast - at first I did not see them flashing in Panel at all, only background of the applets blink slightly. But looking closely, there indeed are occasionally appearing and disappearing tooltips. I tried to create another screencast, this time with Panel and Thunar, created on my laptop. I can see tooltips flashing in both Panel and Thunar, but Panel tooltips disappear so quickly, that they are not even captured by the simplescreenrecorder. In the screencast, there is only flashing tooltip visible above one of the three Panel applets I tried to hold the mouse over, but in reality all three of them displayed tooltip at least once for a very brief period of time. Mukundan - the first screencast was created on Ryzen workstation with Radeon GPU, the second one is from my HP Elitebook 840 with Intel CPU and graphics.
Alright, I guess it is not hardware related. I am going to guess this is gtk-3 issue in Xfce perhaps.
Almost certainly the same bug as bz 1645829 and bz 1644128. This sounds like the culprit upstream: https://gitlab.gnome.org/GNOME/gtk/issues/1371 bz 1645829 seems to be where the discussion is liveliest.
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