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bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed
From: |
Bruno Félix Rezende Ribeiro |
Subject: |
bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display |
Date: |
Sat, 01 Nov 2014 10:54:03 -0200 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:33.0) Gecko/20100101 Firefox/33.0 SeaMonkey/2.30 |
Eli Zaretskii wrote:
> Please show the output of each one the following forms, evaluated in
> both the "good" and "bad" configurations, when you start "emacs -Q"
> and visit the same /dev directory:
>
> (window-height)
> (window-pixel-height)
>
> You can evaluate each form using M-:, as in
>
> M-: (window-height) RET
>
> Please compare the return value of window-height with the actual
> number of lines available in that window, and tell if the two match.
For this test Emacs was started with the option '-Q' and in both
configurations the frame was put by the window manager in the same area
of the VGA1 output, with unchanged relative geometry:
xwininfo (common to both configurations):
Absolute upper-left X: 520
Absolute upper-left Y: 23
Relative upper-left X: 4
Relative upper-left Y: 23
Width: 756
Height: 697
Depth: 24
Border width: 0
Good configuration (only VGA1 enabled):
xwininfo:
Corners: +520+23 -4+23 -4-0 +520-0
-geometry 80x37-0+0
(window-height) => 34
(window-pixel-height) => 612
Bad configuration (both VGA1 and LVDS1 enabled):
xwininfo:
Corners: +520+23 -1028+23 -1028-0 +520-0
-geometry 80x37+516+0
(window-height) ==> 34
(window-pixel-height) ==> 613
Interesting enough, '(window-pixel-height)' returns different values for
both configurations under the "same" circumstances. Furthermore, in
both configurations '(window-height)' returns one line more than what
was actually shown. Therefore, both expressions seem to suggest an "off
by one" bug.
--
,= ,-_-. =. Bruno Félix Rezende Ribeiro (oitofelix) [0x28D618AF]
((_/)o o(\_)) There is no system but GNU;
`-'(. .)`-' GNU Linux-Libre is one of its official kernels;
\_/ All software must be free as in freedom;
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- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, Eli Zaretskii, 2014/11/01
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, Eli Zaretskii, 2014/11/01
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display,
Bruno Félix Rezende Ribeiro <=
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, Eli Zaretskii, 2014/11/01
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, Bruno Félix Rezende Ribeiro, 2014/11/02
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, Eli Zaretskii, 2014/11/02
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, Bruno Félix Rezende Ribeiro, 2014/11/03
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, Eli Zaretskii, 2014/11/03
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, martin rudalics, 2014/11/03
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, Eli Zaretskii, 2014/11/03
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, martin rudalics, 2014/11/03
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, Eli Zaretskii, 2014/11/03
- bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display, Bruno Félix Rezende Ribeiro, 2014/11/03