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author | Eli Zaretskii <eliz@gnu.org> | 2016-05-21 10:19:32 +0300 |
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committer | Eli Zaretskii <eliz@gnu.org> | 2016-05-21 10:19:32 +0300 |
commit | 30989a0ae1923b4466cf4902a5ac009fc1d2fdad (patch) | |
tree | 0e298fa5c5f8a5c769a9b74ebd6f77ea773e3414 | |
parent | 421e3c4b2f14cfdf84a07095be1cbc76c9038da0 (diff) | |
download | emacs-30989a0.tar.gz |
Mention GTK+ problems in etc/PROBLEMS
* etc/PROBLEMS (GDK_SCALE, GDK_DPI_SCALE): Mention the possible
problems this could create and the workaround. (Bug#23587)
-rw-r--r-- | etc/PROBLEMS | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/etc/PROBLEMS b/etc/PROBLEMS index 8733095c8d4..31f38e3980d 100644 --- a/etc/PROBLEMS +++ b/etc/PROBLEMS @@ -940,6 +940,21 @@ into Meta. This is because of the great importance of Meta in Emacs. ** Window-manager and toolkit-related problems +*** Emacs built with GTK+ toolkit produces corrupted display on HiDPI screen + +This can happen if you set GDK_SCALE=2 in the environment or in your +'.xinitrc' file. (This setting is usually accompanied by +GDK_DPI_SCALE=0.5.) Emacs can not support these settings correctly, +as it doesn't use GTK+ exclusively. The result is that sometimes +widgets like the scroll bar are displayed incorrectly, and frames +could be displayed "cropped" to only part of the stuff that should be +displayed. + +The workaround is to explicitly disable these settings when invoking +Emacs, for example (from a Posix shell prompt): + + $ GDK_SCALE=1 GDK_DPI_SCALE=1 emacs + *** Metacity: Resizing Emacs or ALT-Tab causes X to be unresponsive. This happens sometimes when using Metacity. Resizing Emacs or ALT-Tab:bing |