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shell-global: Only set the scale factor if get_setting succeeded

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If gdk_screen_get_setting fails, like if it's running without XSettings,
then the GValue will have a value of 0. A lot of code tries to divide by
the scale factor. This produces NaN, and combined with the fact that NaN
is "leaky", we very quickly end up spinning out of control.
This commit is contained in:
Jasper St. Pierre 2014-02-22 18:00:57 -05:00 committed by Adel Gadllah
parent a745c1fe32
commit a3d9946803
1 changed files with 2 additions and 2 deletions
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src/shell-global.c
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@ -749,7 +749,7 @@ update_scale_factor (GdkScreen *screen, gpointer data)
GValue value = G_VALUE_INIT;
g_value_init (&value, G_TYPE_INT);
gdk_screen_get_setting (global->gdk_screen, "gdk-window-scaling-factor", &value);
if (gdk_screen_get_setting (global->gdk_screen, "gdk-window-scaling-factor", &value))
g_object_set (context, "scale-factor", g_value_get_int (&value), NULL);
}