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From: | bhrgunatha |
Subject: | bug#52914: 29.0.50; pgtk menu lag using mouse - very slow for menu item to appear/disappear |
Date: | Fri, 7 Jan 2022 00:49:48 +0800 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.1 |
Sorry for the delay, I had to learn how to debug emacs first.
According to gdb it only hits that callback function 6 times
(after starting emacs, selecting menu items a couple of times,
then using the menu to quit emacs).
I'm not using wayland yet and was just experimenting with the new
pgtk feature and the only issue I had was the menu lag.
I'm not sure what else I can offer.
I will continue with the regular X build, thanks.
bhrgunatha <bhrgunatha@gmail.com> writes:Using the new pgtk flag to compile, menu bar items are very slow to appear using a mouse e.g. clicking the Tools menu, the menu appears after about a second delay.Could you please set a breakpoint on `menu_bar_button_pressed_cb' in gtkutil.c, and see how many times it is called? That callback being triggered too rapidly seems to be the most likely problem.Using --with-x-toolkit=gtk3 instead of --with-pgtk does not lag.By the way, are you running Emacs on Wayland? If not, I recommend you use the regular X build instead, since it is simply superior to the PGTK port. Thanks.
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