コード例 #1
0
ファイル: gtkscrollable.c プロジェクト: BYC/gtk
/**
 * gtk_scrollable_set_vscroll_policy:
 * @scrollable: a #GtkScrollable
 * @policy: the vertical #GtkScrollablePolicy
 *
 * Sets the #GtkScrollablePolicy to determine whether
 * vertical scrolling should start below the minimum height or
 * below the natural height.
 *
 * Since: 3.0
 **/
void
gtk_scrollable_set_vscroll_policy (GtkScrollable       *scrollable,
				   GtkScrollablePolicy  policy)
{
  g_return_if_fail (GTK_IS_SCROLLABLE (scrollable));

  g_object_set (scrollable, "vscroll-policy", policy, NULL);
}
コード例 #2
0
ファイル: gtkscrollable.c プロジェクト: BYC/gtk
/**
 * gtk_scrollable_set_vadjustment:
 * @scrollable: a #GtkScrollable
 * @vadjustment: (allow-none): a #GtkAdjustment
 *
 * Sets the vertical adjustment of the #GtkScrollable.
 *
 * Since: 3.0
 **/
void
gtk_scrollable_set_vadjustment (GtkScrollable *scrollable,
                                GtkAdjustment *vadjustment)
{
  g_return_if_fail (GTK_IS_SCROLLABLE (scrollable));
  g_return_if_fail (vadjustment == NULL || GTK_IS_ADJUSTMENT (vadjustment));

  g_object_set (scrollable, "vadjustment", vadjustment, NULL);
}
コード例 #3
0
ファイル: gtkscrollable.c プロジェクト: BYC/gtk
/**
 * gtk_scrollable_get_vscroll_policy:
 * @scrollable: a #GtkScrollable
 *
 * Gets the vertical #GtkScrollablePolicy.
 *
 * Return value: The vertical #GtkScrollablePolicy.
 *
 * Since: 3.0
 **/
GtkScrollablePolicy
gtk_scrollable_get_vscroll_policy (GtkScrollable *scrollable)
{
  GtkScrollablePolicy policy;

  g_return_val_if_fail (GTK_IS_SCROLLABLE (scrollable), GTK_SCROLL_MINIMUM);

  g_object_get (scrollable, "vscroll-policy", &policy, NULL);

  return policy;
}
コード例 #4
0
ファイル: gtkscrollable.c プロジェクト: BYC/gtk
/**
 * gtk_scrollable_get_vadjustment:
 * @scrollable: a #GtkScrollable
 *
 * Retrieves the #GtkAdjustment used for vertical scrolling.
 *
 * Return value: (transfer none): vertical #GtkAdjustment.
 *
 * Since: 3.0
 **/
GtkAdjustment *
gtk_scrollable_get_vadjustment (GtkScrollable *scrollable)
{
  GtkAdjustment *adj = NULL;

  g_return_val_if_fail (GTK_IS_SCROLLABLE (scrollable), NULL);

  g_object_get (scrollable, "vadjustment", &adj, NULL);

  /* Horrid hack; g_object_get() returns a new reference but
   * that contradicts the memory management conventions
   * for accessors.
   */
  if (adj)
    g_object_unref (adj);

  return adj;
}
コード例 #5
0
ファイル: scroller.c プロジェクト: svn2github/gwyddion
static void
gwy_scroller_add(GtkContainer *container,
                 GtkWidget *child)
{
    if (!GTK_IS_SCROLLABLE(child)) {
        g_warning("gwy_scroller_add(): cannot add non scrollable widget "
                  "use gwy_scroller_add_with_viewport() instead");
        return;
    }

    GtkBin *bin = GTK_BIN(container);
    GtkWidget *current_child = gtk_bin_get_child(bin);
    g_return_if_fail(!current_child);

    GTK_CONTAINER_CLASS(gwy_scroller_parent_class)->add(container, child);

    GwyScroller *scroller = GWY_SCROLLER(container);
    Scroller *priv = scroller->priv;
    g_object_set(child,
                 "hadjustment", priv->hadjustment,
                 "vadjustment", priv->vadjustment,
                 NULL);
}