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term: default to DPI 96, if the monitor's DPI is 0

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This can happen in virtualized environments, or when running a nested
Wayland session.
This commit is contained in:
Daniel Eklöf 2024-04-20 08:18:41 +02:00
parent acbb3cbb70
commit 128c5c3efa
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2 changed files with 13 additions and 4 deletions
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6
CHANGELOG.md
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@ -58,6 +58,12 @@
### Deprecated
### Removed
### Fixed
* Crash when zooming in or out, with `dpi-aware=yes`, and the
monitor's DPI is 0 (this is true for, for example, nested Wayland
sessions, or in virtualized environments).
### Security
### Contributors

11
terminal.c
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@ -878,10 +878,13 @@ get_font_dpi(const struct terminal *term)
mon = &tll_front(term->wl->monitors);
}
if (term_fractional_scaling(term))
return mon != NULL ? mon->dpi.physical : 96.;
else
return mon != NULL ? mon->dpi.scaled : 96.;
const float monitor_dpi = mon != NULL
? term_fractional_scaling(term)
? mon->dpi.physical
: mon->dpi.scaled
: 96.;
return monitor_dpi > 0. ? monitor_dpi : 96.;
}
static enum fcft_subpixel