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roundedbox: Handle shrinking to zero

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We need it for wide separators.
This commit is contained in:
Benjamin Otte 2011-06-12 03:42:29 +02:00
parent 61c253a132
commit deed7175ca
1 changed files with 20 additions and 6 deletions
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26
gtk/gtkroundedbox.c
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@ -88,13 +88,27 @@ _gtk_rounded_box_grow (GtkRoundedBox *box,
double bottom,
double left)
{
if (box->box.width + left + right < 0)
{
box->box.x -= left * box->box.width / (left + right);
box->box.width = 0;
}
else
{
box->box.x -= left;
box->box.width += left + right;
}
box->box.x -= left;
box->box.width += left + right;
g_warn_if_fail (box->box.width > 0);
box->box.y -= top;
box->box.height += top + bottom;
g_warn_if_fail (box->box.height > 0);
if (box->box.height + bottom + right < 0)
{
box->box.y -= top * box->box.height / (top + bottom);
box->box.height = 0;
}
else
{
box->box.y -= top;
box->box.height += top + bottom;
}
if (box->border_radius.top_left.horizontal)
box->border_radius.top_left.horizontal = MAX (0, box->border_radius.top_left.horizontal + left);