X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=gtk%2Fgtkbin.c;h=c52ca37fe8feaffc6308668b178b1e4c0af67976;hb=b2340254109d8599244c875fe7bc5e234f64da08;hp=b550009fef20a6e8114d1861884b6acd58402208;hpb=cf6eb47758085da041fa5fa126d3e22a60bb2afc;p=~andy%2Fgtk diff --git a/gtk/gtkbin.c b/gtk/gtkbin.c index b550009fe..c52ca37fe 100644 --- a/gtk/gtkbin.c +++ b/gtk/gtkbin.c @@ -12,9 +12,7 @@ * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * License along with this library. If not, see . */ /* @@ -58,30 +56,36 @@ static void gtk_bin_forall (GtkContainer *container, gpointer callback_data); static GType gtk_bin_child_type (GtkContainer *container); - -static void gtk_bin_size_request_init (GtkSizeRequestIface *iface); -static GtkSizeRequestMode gtk_bin_get_request_mode (GtkSizeRequest *widget); -static void gtk_bin_get_width_for_height (GtkSizeRequest *widget, - gint height, - gint *minimum_width, - gint *natural_width); -static void gtk_bin_get_height_for_width (GtkSizeRequest *widget, - gint width, - gint *minimum_height, - gint *natural_height); - -static GtkSizeRequestIface *parent_size_request_iface; - -G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GtkBin, gtk_bin, GTK_TYPE_CONTAINER, - G_IMPLEMENT_INTERFACE (GTK_TYPE_SIZE_REQUEST, - gtk_bin_size_request_init)) +static void gtk_bin_get_preferred_width (GtkWidget *widget, + gint *minimum_width, + gint *natural_width); +static void gtk_bin_get_preferred_height (GtkWidget *widget, + gint *minimum_height, + gint *natural_height); +static void gtk_bin_get_preferred_width_for_height (GtkWidget *widget, + gint height, + gint *minimum_width, + gint *natural_width); +static void gtk_bin_get_preferred_height_for_width (GtkWidget *widget, + gint width, + gint *minimum_height, + gint *natural_height); +static void gtk_bin_size_allocate (GtkWidget *widget, + GtkAllocation *allocation); + +G_DEFINE_ABSTRACT_TYPE (GtkBin, gtk_bin, GTK_TYPE_CONTAINER) static void gtk_bin_class_init (GtkBinClass *class) { - GtkContainerClass *container_class; + GtkWidgetClass *widget_class = (GtkWidgetClass*) class; + GtkContainerClass *container_class = (GtkContainerClass*) class; - container_class = (GtkContainerClass*) class; + widget_class->get_preferred_width = gtk_bin_get_preferred_width; + widget_class->get_preferred_height = gtk_bin_get_preferred_height; + widget_class->get_preferred_width_for_height = gtk_bin_get_preferred_width_for_height; + widget_class->get_preferred_height_for_width = gtk_bin_get_preferred_height_for_width; + widget_class->size_allocate = gtk_bin_size_allocate; container_class->add = gtk_bin_add; container_class->remove = gtk_bin_remove; @@ -176,118 +180,136 @@ gtk_bin_forall (GtkContainer *container, (* callback) (priv->child, callback_data); } - -/* GtkBin widgets define the padding and borders independantly so - * we cannot provide a generic get_size() for the same reason - * we never implemented size_request() here. - * - * But for cases where the GtkBin class's padding is constant and - * does not vary based on allocation (most cases), we can at least - * deduce a common code path for the get_width_for_height()/get_height_for_width() - * cases by using the delta of the base size requsts. - */ -static void -gtk_bin_size_request_init (GtkSizeRequestIface *iface) +static int +gtk_bin_get_effective_border_width (GtkBin *bin) { - parent_size_request_iface = g_type_interface_peek_parent (iface); + if (GTK_CONTAINER_CLASS (GTK_BIN_GET_CLASS (bin))->_handle_border_width) + return 0; - iface->get_request_mode = gtk_bin_get_request_mode; - iface->get_width_for_height = gtk_bin_get_width_for_height; - iface->get_height_for_width = gtk_bin_get_height_for_width; + return gtk_container_get_border_width (GTK_CONTAINER (bin)); } -static GtkSizeRequestMode -gtk_bin_get_request_mode (GtkSizeRequest *widget) +static void +gtk_bin_get_preferred_width (GtkWidget *widget, + gint *minimum_width, + gint *natural_width) { GtkBin *bin = GTK_BIN (widget); GtkBinPrivate *priv = bin->priv; + gint border_width; - if (priv->child) - return gtk_size_request_get_request_mode (GTK_SIZE_REQUEST (priv->child)); + if (priv->child && gtk_widget_get_visible (priv->child)) + { + gint child_min, child_nat; + gtk_widget_get_preferred_width (priv->child, + &child_min, &child_nat); + *minimum_width = child_min; + *natural_width = child_nat; + } - return GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH; + border_width = gtk_bin_get_effective_border_width (bin); + *minimum_width += 2 * border_width; + *natural_width += 2 * border_width; } static void -get_child_padding_delta (GtkBin *bin, - gint *delta_h, - gint *delta_v) +gtk_bin_get_preferred_height (GtkWidget *widget, + gint *minimum_height, + gint *natural_height) { + GtkBin *bin = GTK_BIN (widget); GtkBinPrivate *priv = bin->priv; - gint hmin, vmin, hnat, vnat, child_hmin, child_vmin; - - /* we can't use gtk_size_request_get_width() wrapper because we want - * our "original" request, not any external adjustments from - * set_size_request() or whatever. we have to ask for natural also - * because NULL isn't allowed for the direct vfuncs - */ - GTK_SIZE_REQUEST_GET_IFACE (bin)->get_width(GTK_SIZE_REQUEST (bin), &hmin, &hnat); - GTK_SIZE_REQUEST_GET_IFACE (bin)->get_height (GTK_SIZE_REQUEST (bin), &vmin, &vnat); + gint border_width; - gtk_size_request_get_width (GTK_SIZE_REQUEST (priv->child), &child_hmin, NULL); - gtk_size_request_get_height (GTK_SIZE_REQUEST (priv->child), &child_vmin, NULL); + if (priv->child && gtk_widget_get_visible (priv->child)) + { + gint child_min, child_nat; + gtk_widget_get_preferred_height (priv->child, + &child_min, &child_nat); + *minimum_height = child_min; + *natural_height = child_nat; + } - *delta_h = hmin - child_hmin; - *delta_v = vmin - child_vmin; + border_width = gtk_bin_get_effective_border_width (bin); + *minimum_height += 2 * border_width; + *natural_height += 2 * border_width; } static void -gtk_bin_get_width_for_height (GtkSizeRequest *widget, - gint height, - gint *minimum_width, - gint *natural_width) +gtk_bin_get_preferred_width_for_height (GtkWidget *widget, + gint height, + gint *minimum_width, + gint *natural_width) { GtkBin *bin = GTK_BIN (widget); GtkBinPrivate *priv = bin->priv; - gint hdelta, vdelta, child_min, child_nat; + gint border_width; - if (priv->child) + border_width = gtk_bin_get_effective_border_width (bin); + + if (priv->child && gtk_widget_get_visible (priv->child)) { - get_child_padding_delta (bin, &hdelta, &vdelta); + gint child_min, child_nat; + gtk_widget_get_preferred_width_for_height (priv->child, height - 2 * border_width, + &child_min, &child_nat); - gtk_size_request_get_width_for_height (GTK_SIZE_REQUEST (priv->child), - height - vdelta, - &child_min, &child_nat); + *minimum_width = child_min; + *natural_width = child_nat; + } + + *minimum_width += 2 * border_width; + *natural_width += 2 * border_width; +} + +static void +gtk_bin_get_preferred_height_for_width (GtkWidget *widget, + gint width, + gint *minimum_height, + gint *natural_height) +{ + GtkBin *bin = GTK_BIN (widget); + GtkBinPrivate *priv = bin->priv; + gint border_width; + + border_width = gtk_bin_get_effective_border_width (bin); - if (minimum_width) - *minimum_width = child_min + hdelta; - - if (natural_width) - *natural_width = child_nat + hdelta; + if (priv->child && gtk_widget_get_visible (priv->child)) + { + gint child_min, child_nat; + gtk_widget_get_preferred_height_for_width (priv->child, width - 2 * border_width, + &child_min, &child_nat); + + *minimum_height = child_min; + *natural_height = child_nat; } - else - GTK_SIZE_REQUEST_GET_IFACE (widget)->get_width (widget, minimum_width, natural_width); + + *minimum_height += 2 * border_width; + *natural_height += 2 * border_width; } static void -gtk_bin_get_height_for_width (GtkSizeRequest *widget, - gint width, - gint *minimum_height, - gint *natural_height) +gtk_bin_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) { GtkBin *bin = GTK_BIN (widget); GtkBinPrivate *priv = bin->priv; - gint hdelta, vdelta, child_min, child_nat; - if (priv->child) + gtk_widget_set_allocation (widget, allocation); + + if (priv->child && gtk_widget_get_visible (priv->child)) { - get_child_padding_delta (bin, &hdelta, &vdelta); + GtkAllocation child_allocation; + gint border_width = gtk_bin_get_effective_border_width (bin); - gtk_size_request_get_height_for_width (GTK_SIZE_REQUEST (priv->child), - width - hdelta, - &child_min, &child_nat); + child_allocation.x = allocation->x + border_width; + child_allocation.y = allocation->y + border_width; + child_allocation.width = allocation->width - 2 * border_width; + child_allocation.height = allocation->height - 2 * border_width; - if (minimum_height) - *minimum_height = child_min + vdelta; - - if (natural_height) - *natural_height = child_nat + vdelta; + gtk_widget_size_allocate (priv->child, &child_allocation); } - else - GTK_SIZE_REQUEST_GET_IFACE (widget)->get_height (widget, minimum_height, natural_height); } - /** * gtk_bin_get_child: * @bin: a #GtkBin