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st/viewport: Set adjustment properties all at once

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This ensures that that property changes are notified all at the same
time and only after all were set. If we notify too early handlers
may act on a "broken" viewport.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3023>
This commit is contained in:
Julian Sparber 2023-11-21 11:29:46 +01:00
parent 78eb5f2a68
commit 5b8347f90b
1 changed files with 16 additions and 18 deletions
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34
src/st/st-viewport.c
View File

@ -309,32 +309,30 @@ st_viewport_allocate (ClutterActor *actor,
{
double prev_value;
g_object_set (G_OBJECT (priv->vadjustment),
"lower", 0.0,
"upper", MAX (min_height, avail_height),
"page-size", avail_height,
"step-increment", avail_height / 6,
"page-increment", avail_height - avail_height / 6,
NULL);
prev_value = st_adjustment_get_value (priv->vadjustment);
st_adjustment_set_value (priv->vadjustment, prev_value);
st_adjustment_set_values (priv->vadjustment,
prev_value,
0.0,
MAX (min_height, avail_height),
avail_height / 6,
avail_height - avail_height / 6,
avail_height);
}
if (priv->hadjustment)
{
double prev_value;
g_object_set (G_OBJECT (priv->hadjustment),
"lower", 0.0,
"upper", MAX (min_width, avail_width),
"page-size", avail_width,
"step-increment", avail_width / 6,
"page-increment", avail_width - avail_width / 6,
NULL);
prev_value = st_adjustment_get_value (priv->hadjustment);
st_adjustment_set_value (priv->hadjustment, prev_value);
st_adjustment_set_values (priv->hadjustment,
prev_value,
0.0,
MAX (min_width, avail_width),
avail_width / 6,
avail_width - avail_width / 6,
avail_width);
}
}