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default impls of width_for_height,hfw should chain directly not use wrapper API

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In GtkBin and GtkWidget we tried to provide handy defaults that
call get_width if there's no get_width_for_height and
get_height for get_height_for_width.

However, they used the wrapper API on GtkSizeRequest instead of
chaining directly to the other method implementation.

This could result in all kinds of surprising behavior, for example,
get_width_for_height() would now already include the effects of set_size_request().

If nothing else it's inefficient. But it's just conceptually wrong,
because to chain to another implementation, we should call the other
implementation, not call a wrapper around the other implementation
(when we're already inside a previous invocation of the wrapper,
i.e. compute_size_for_orientation() ends up reinvoking itself
in the same orientation on the same object which it pretty
likely isn't intending to do)

https://bugzilla.gnome.org/show_bug.cgi?id=628829
This commit is contained in:
Havoc Pennington
2010-09-05 01:42:14 -04:00
parent b3079c0d18
commit cf6eb47758
2 changed files with 11 additions and 6 deletions
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6
gtk/gtkwidget.c
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@ -11040,7 +11040,7 @@ gtk_widget_real_get_height_for_width (GtkSizeRequest *layout,
gint *minimum_height,
gint *natural_height)
{
gtk_size_request_get_height (layout, minimum_height, natural_height);
GTK_SIZE_REQUEST_GET_IFACE (layout)->get_height(layout, minimum_height, natural_height);
}
static void
@ -11048,8 +11048,8 @@ gtk_widget_real_get_width_for_height (GtkSizeRequest *layout,
gint height,
gint *minimum_width,
gint *natural_width)
{
gtk_size_request_get_width (layout, minimum_width, natural_width);
{
GTK_SIZE_REQUEST_GET_IFACE (layout)->get_width(layout, minimum_width, natural_width);
}
static void