X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=gtk%2Fgtkalignment.c;h=ddd627ce86695a64dc262cfbc7bb0ec8809ad5a8;hb=658e7c45353d625dc30852f49fb92a1959f615fa;hp=b3e0b85c79a4940e3ef3546003a7233345e8cb00;hpb=8cd13d09e822e2fea02c4125397b326cfde2bc09;p=~andy%2Fgtk diff --git a/gtk/gtkalignment.c b/gtk/gtkalignment.c index b3e0b85c7..ddd627ce8 100644 --- a/gtk/gtkalignment.c +++ b/gtk/gtkalignment.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 . */ /* @@ -42,9 +40,13 @@ * Of course, if the scale settings are both set to 1, the alignment settings * have no effect. * + * + * * Note that the desired effect can in most cases be achieved by using the * #GtkWidget:halign, #GtkWidget:valign and #GtkWidget:margin properties * on the child widget, so #GtkAlignment should not be used in new code. + * + * */ #include "config.h" @@ -98,6 +100,14 @@ static void gtk_alignment_get_preferred_width (GtkWidget *wid static void gtk_alignment_get_preferred_height (GtkWidget *widget, gint *minimum_size, gint *natural_size); +static void gtk_alignment_get_preferred_width_for_height (GtkWidget *widget, + gint for_size, + gint *minimum_size, + gint *natural_size); +static void gtk_alignment_get_preferred_height_for_width (GtkWidget *widget, + gint for_size, + gint *minimum_size, + gint *natural_size); G_DEFINE_TYPE (GtkAlignment, gtk_alignment, GTK_TYPE_BIN) @@ -116,6 +126,8 @@ gtk_alignment_class_init (GtkAlignmentClass *class) widget_class->size_allocate = gtk_alignment_size_allocate; widget_class->get_preferred_width = gtk_alignment_get_preferred_width; widget_class->get_preferred_height = gtk_alignment_get_preferred_height; + widget_class->get_preferred_width_for_height = gtk_alignment_get_preferred_width_for_height; + widget_class->get_preferred_height_for_width = gtk_alignment_get_preferred_height_for_width; g_object_class_install_property (gobject_class, PROP_XALIGN, @@ -567,6 +579,7 @@ gtk_alignment_size_allocate (GtkWidget *widget, static void gtk_alignment_get_preferred_size (GtkWidget *widget, GtkOrientation orientation, + gint for_size, gint *minimum_size, gint *natural_size) { @@ -585,12 +598,44 @@ gtk_alignment_get_preferred_size (GtkWidget *widget, if (orientation == GTK_ORIENTATION_HORIZONTAL) { minimum += (priv->padding_left + priv->padding_right); - gtk_widget_get_preferred_width (child, &child_min, &child_nat); + + if (for_size < 0) + gtk_widget_get_preferred_width (child, &child_min, &child_nat); + else + { + gint min_height; + + gtk_widget_get_preferred_height (child, &min_height, NULL); + + for_size -= (priv->padding_top + priv->padding_bottom); + + if (for_size > min_height) + for_size = (min_height * (1.0 - priv->yscale) + + for_size * priv->yscale); + + gtk_widget_get_preferred_width_for_height (child, for_size, &child_min, &child_nat); + } } else { minimum += (priv->padding_top + priv->padding_bottom); - gtk_widget_get_preferred_height (child, &child_min, &child_nat); + + if (for_size < 0) + gtk_widget_get_preferred_height (child, &child_min, &child_nat); + else + { + gint min_width; + + gtk_widget_get_preferred_width (child, &min_width, NULL); + + for_size -= (priv->padding_left + priv->padding_right); + + if (for_size > min_width) + for_size = (min_width * (1.0 - priv->xscale) + + for_size * priv->xscale); + + gtk_widget_get_preferred_height_for_width (child, for_size, &child_min, &child_nat); + } } natural = minimum; @@ -611,7 +656,7 @@ gtk_alignment_get_preferred_width (GtkWidget *widget, gint *minimum_size, gint *natural_size) { - gtk_alignment_get_preferred_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum_size, natural_size); + gtk_alignment_get_preferred_size (widget, GTK_ORIENTATION_HORIZONTAL, -1, minimum_size, natural_size); } static void @@ -619,7 +664,26 @@ gtk_alignment_get_preferred_height (GtkWidget *widget, gint *minimum_size, gint *natural_size) { - gtk_alignment_get_preferred_size (widget, GTK_ORIENTATION_VERTICAL, minimum_size, natural_size); + gtk_alignment_get_preferred_size (widget, GTK_ORIENTATION_VERTICAL, -1, minimum_size, natural_size); +} + + +static void +gtk_alignment_get_preferred_width_for_height (GtkWidget *widget, + gint for_size, + gint *minimum_size, + gint *natural_size) +{ + gtk_alignment_get_preferred_size (widget, GTK_ORIENTATION_HORIZONTAL, for_size, minimum_size, natural_size); +} + +static void +gtk_alignment_get_preferred_height_for_width (GtkWidget *widget, + gint for_size, + gint *minimum_size, + gint *natural_size) +{ + gtk_alignment_get_preferred_size (widget, GTK_ORIENTATION_VERTICAL, for_size, minimum_size, natural_size); } /** @@ -687,10 +751,14 @@ gtk_alignment_set_padding (GtkAlignment *alignment, /** * gtk_alignment_get_padding: * @alignment: a #GtkAlignment - * @padding_top: (allow-none): location to store the padding for the top of the widget, or %NULL - * @padding_bottom: (allow-none): location to store the padding for the bottom of the widget, or %NULL - * @padding_left: (allow-none): location to store the padding for the left of the widget, or %NULL - * @padding_right: (allow-none): location to store the padding for the right of the widget, or %NULL + * @padding_top: (out) (allow-none): location to store the padding for + * the top of the widget, or %NULL + * @padding_bottom: (out) (allow-none): location to store the padding + * for the bottom of the widget, or %NULL + * @padding_left: (out) (allow-none): location to store the padding + * for the left of the widget, or %NULL + * @padding_right: (out) (allow-none): location to store the padding + * for the right of the widget, or %NULL * * Gets the padding on the different sides of the widget. * See gtk_alignment_set_padding ().