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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
parent caa98de581
commit 29addc499c
1 changed files with 2 additions and 2 deletions
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4
src/shell-global.c
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@ -756,8 +756,8 @@ 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);
g_object_set (context, "scale-factor", g_value_get_int (&value), NULL);
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);
}
/* This is an IBus workaround. The flow of events with IBus is that every time