* 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtktypebuiltins.h"
#include "gtkprivate.h"
#include "gtksizegroup-private.h"
+#include "gtksizerequestcacheprivate.h"
#include "gtkwidgetprivate.h"
+#include "gtkcontainerprivate.h"
/**
* #GtkSizeGroup provides a mechanism for grouping a number of widgets
* together so they all request the same amount of space. This is
* typically useful when you want a column of widgets to have the same
- * size, but you can't use a #GtkTable widget.
+ * size, but you can't use a #GtkGrid widget.
*
* In detail, the size requested for each widget in a #GtkSizeGroup is
* the maximum of the sizes that would have been requested for each
struct _GtkSizeGroupPrivate
{
- GtkRequisition minimum_req;
- GtkRequisition natural_req;
-
GSList *widgets;
guint8 mode;
- guint have_width : 1;
- guint have_height : 1;
guint ignore_hidden : 1;
- guint visited : 1;
};
enum {
GValue *value,
GParamSpec *pspec);
-static void add_group_to_closure (GtkSizeGroup *group,
- GtkSizeGroupMode mode,
- GSList **groups,
- GSList **widgets);
-static void add_widget_to_closure (GtkWidget *widget,
- GtkSizeGroupMode mode,
- GSList **groups,
- GSList **widgets);
-
/* GtkBuildable */
static void gtk_size_group_buildable_init (GtkBuildableIface *iface);
static gboolean gtk_size_group_buildable_custom_tag_start (GtkBuildable *buildable,
const gchar *tagname,
gpointer user_data);
-static void
-mark_group_unvisited (GtkSizeGroup *group)
-{
- group->priv->visited = FALSE;
-}
+G_STATIC_ASSERT (GTK_SIZE_GROUP_HORIZONTAL == (1 << GTK_ORIENTATION_HORIZONTAL));
+G_STATIC_ASSERT (GTK_SIZE_GROUP_VERTICAL == (1 << GTK_ORIENTATION_VERTICAL));
+G_STATIC_ASSERT (GTK_SIZE_GROUP_BOTH == (GTK_SIZE_GROUP_HORIZONTAL | GTK_SIZE_GROUP_VERTICAL));
static void
-mark_widget_unvisited (GtkWidget *widget)
+add_widget_to_closure (GHashTable *widgets,
+ GHashTable *groups,
+ GtkWidget *widget,
+ GtkOrientation orientation)
{
- _gtk_widget_set_sizegroup_visited (widget, FALSE);
-}
+ GSList *tmp_groups, *tmp_widgets;
+ gboolean hidden;
-static void
-add_group_to_closure (GtkSizeGroup *group,
- GtkSizeGroupMode mode,
- GSList **groups,
- GSList **widgets)
-{
- GtkSizeGroupPrivate *priv = group->priv;
- GSList *tmp_widgets;
-
- *groups = g_slist_prepend (*groups, group);
- priv->visited = TRUE;
+ if (g_hash_table_lookup (widgets, widget))
+ return;
+
+ g_hash_table_add (widgets, widget);
+ hidden = !gtk_widget_is_visible (widget);
- tmp_widgets = priv->widgets;
- while (tmp_widgets)
+ for (tmp_groups = _gtk_widget_get_sizegroups (widget); tmp_groups; tmp_groups = tmp_groups->next)
{
- GtkWidget *tmp_widget = tmp_widgets->data;
-
- if (!_gtk_widget_get_sizegroup_visited (tmp_widget))
- add_widget_to_closure (tmp_widget, mode, groups, widgets);
-
- tmp_widgets = tmp_widgets->next;
+ GtkSizeGroup *tmp_group = tmp_groups->data;
+ GtkSizeGroupPrivate *tmp_priv = tmp_group->priv;
+
+ if (g_hash_table_lookup (groups, tmp_group))
+ continue;
+
+ if (tmp_priv->ignore_hidden && hidden)
+ continue;
+
+ if (!(tmp_priv->mode & (1 << orientation)))
+ continue;
+
+ g_hash_table_add (groups, tmp_group);
+
+ for (tmp_widgets = tmp_priv->widgets; tmp_widgets; tmp_widgets = tmp_widgets->next)
+ add_widget_to_closure (widgets, groups, tmp_widgets->data, orientation);
}
}
-static void
-add_widget_to_closure (GtkWidget *widget,
- GtkSizeGroupMode mode,
- GSList **groups,
- GSList **widgets)
+GHashTable *
+_gtk_size_group_get_widget_peers (GtkWidget *for_widget,
+ GtkOrientation orientation)
{
- GSList *tmp_groups;
+ GHashTable *widgets, *groups;
- *widgets = g_slist_prepend (*widgets, widget);
- _gtk_widget_set_sizegroup_visited (widget, TRUE);
+ widgets = g_hash_table_new (g_direct_hash, g_direct_equal);
+ groups = g_hash_table_new (g_direct_hash, g_direct_equal);
- tmp_groups = _gtk_widget_get_sizegroups (widget);
- while (tmp_groups)
- {
- GtkSizeGroup *tmp_group = tmp_groups->data;
- GtkSizeGroupPrivate *tmp_priv = tmp_group->priv;
+ add_widget_to_closure (widgets, groups, for_widget, orientation);
- if ((tmp_priv->mode == GTK_SIZE_GROUP_BOTH || tmp_priv->mode == mode) &&
- !tmp_group->priv->visited)
- add_group_to_closure (tmp_group, mode, groups, widgets);
+ g_hash_table_unref (groups);
- tmp_groups = tmp_groups->next;
- }
+ return widgets;
}
-
+
static void
real_queue_resize (GtkWidget *widget,
GtkQueueResizeFlags flags)
GtkWidget *container;
_gtk_widget_set_alloc_needed (widget, TRUE);
- _gtk_widget_set_width_request_needed (widget, TRUE);
- _gtk_widget_set_height_request_needed (widget, TRUE);
+ _gtk_size_request_cache_clear (_gtk_widget_peek_request_cache (widget));
container = gtk_widget_get_parent (widget);
if (!container &&
}
}
-static void
-reset_group_sizes (GSList *groups)
-{
- GSList *tmp_list = groups;
- while (tmp_list)
- {
- GtkSizeGroup *tmp_group = tmp_list->data;
- GtkSizeGroupPrivate *tmp_priv = tmp_group->priv;
-
- tmp_priv->have_width = FALSE;
- tmp_priv->have_height = FALSE;
-
- tmp_list = tmp_list->next;
- }
-}
-
static void
queue_resize_on_widget (GtkWidget *widget,
gboolean check_siblings,
GtkQueueResizeFlags flags)
{
GtkWidget *parent = widget;
- GSList *tmp_list;
while (parent)
{
GSList *widget_groups;
- GSList *groups;
- GSList *widgets;
+ GHashTable *widgets;
+ GHashTableIter iter;
+ gpointer current;
if (widget == parent && !check_siblings)
{
continue;
}
- groups = NULL;
- widgets = NULL;
-
- add_widget_to_closure (parent, GTK_SIZE_GROUP_HORIZONTAL, &groups, &widgets);
- g_slist_foreach (widgets, (GFunc)mark_widget_unvisited, NULL);
- g_slist_foreach (groups, (GFunc)mark_group_unvisited, NULL);
-
- reset_group_sizes (groups);
-
- tmp_list = widgets;
- while (tmp_list)
+ widgets = _gtk_size_group_get_widget_peers (parent, GTK_ORIENTATION_HORIZONTAL);
+
+ g_hash_table_iter_init (&iter, widgets);
+ while (g_hash_table_iter_next (&iter, ¤t, NULL))
{
- if (tmp_list->data == parent)
+ if (current == parent)
{
if (widget == parent)
real_queue_resize (parent, flags);
}
- else if (tmp_list->data == widget)
+ else if (current == widget)
{
g_warning ("A container and its child are part of this SizeGroup");
}
else
- queue_resize_on_widget (tmp_list->data, FALSE, flags);
-
- tmp_list = tmp_list->next;
+ queue_resize_on_widget (current, FALSE, flags);
}
- g_slist_free (widgets);
- g_slist_free (groups);
-
- groups = NULL;
- widgets = NULL;
-
- add_widget_to_closure (parent, GTK_SIZE_GROUP_VERTICAL, &groups, &widgets);
- g_slist_foreach (widgets, (GFunc)mark_widget_unvisited, NULL);
- g_slist_foreach (groups, (GFunc)mark_group_unvisited, NULL);
-
- reset_group_sizes (groups);
-
- tmp_list = widgets;
- while (tmp_list)
+ g_hash_table_destroy (widgets);
+
+ widgets = _gtk_size_group_get_widget_peers (parent, GTK_ORIENTATION_VERTICAL);
+
+ g_hash_table_iter_init (&iter, widgets);
+ while (g_hash_table_iter_next (&iter, ¤t, NULL))
{
- if (tmp_list->data == parent)
+ if (current == parent)
{
if (widget == parent)
real_queue_resize (parent, flags);
}
- else if (tmp_list->data == widget)
+ else if (current == widget)
{
g_warning ("A container and its child are part of this SizeGroup");
}
else
- queue_resize_on_widget (tmp_list->data, FALSE, flags);
-
- tmp_list = tmp_list->next;
+ queue_resize_on_widget (current, FALSE, flags);
}
- g_slist_free (widgets);
- g_slist_free (groups);
+ g_hash_table_destroy (widgets);
parent = gtk_widget_get_parent (parent);
}
priv->widgets = NULL;
priv->mode = GTK_SIZE_GROUP_HORIZONTAL;
- priv->have_width = 0;
- priv->have_height = 0;
- priv->ignore_hidden = 0;
- priv->visited = FALSE;
+ priv->ignore_hidden = FALSE;
}
static void
return size_group->priv->widgets;
}
-static void
-compute_dimension (GtkWidget *widget,
- GtkSizeGroupMode mode,
- gint *minimum, /* in-out */
- gint *natural) /* in-out */
-{
- GSList *widgets = NULL;
- GSList *groups = NULL;
- GSList *tmp_list;
- gint min_result = 0, nat_result = 0;
-
- add_widget_to_closure (widget, mode, &groups, &widgets);
- g_slist_foreach (widgets, (GFunc)mark_widget_unvisited, NULL);
- g_slist_foreach (groups, (GFunc)mark_group_unvisited, NULL);
-
- g_slist_foreach (widgets, (GFunc)g_object_ref, NULL);
-
- if (!groups)
- {
- min_result = *minimum;
- nat_result = *natural;
- }
- else
- {
- GtkSizeGroup *group = groups->data;
- GtkSizeGroupPrivate *priv = group->priv;
-
- if (mode == GTK_SIZE_GROUP_HORIZONTAL && priv->have_width)
- {
- min_result = priv->minimum_req.width;
- nat_result = priv->natural_req.width;
- }
- else if (mode == GTK_SIZE_GROUP_VERTICAL && priv->have_height)
- {
- min_result = priv->minimum_req.height;
- nat_result = priv->natural_req.height;
- }
- else
- {
- tmp_list = widgets;
- while (tmp_list)
- {
- GtkWidget *tmp_widget = tmp_list->data;
- gint min_dimension, nat_dimension;
-
- if (tmp_widget == widget)
- {
- min_dimension = *minimum;
- nat_dimension = *natural;
- }
- else
- {
- if (mode == GTK_SIZE_GROUP_HORIZONTAL)
- gtk_widget_get_preferred_width (tmp_widget, &min_dimension, &nat_dimension);
- else
- gtk_widget_get_preferred_height (tmp_widget, &min_dimension, &nat_dimension);
- }
-
- if (gtk_widget_get_mapped (tmp_widget) || !priv->ignore_hidden)
- {
- min_result = MAX (min_result, min_dimension);
- nat_result = MAX (nat_result, nat_dimension);
- }
-
- tmp_list = tmp_list->next;
- }
-
- tmp_list = groups;
- while (tmp_list)
- {
- GtkSizeGroup *tmp_group = tmp_list->data;
- GtkSizeGroupPrivate *tmp_priv = tmp_group->priv;
-
- if (mode == GTK_SIZE_GROUP_HORIZONTAL)
- {
- tmp_priv->have_width = TRUE;
- tmp_priv->minimum_req.width = min_result;
- tmp_priv->natural_req.width = nat_result;
- }
- else
- {
- tmp_priv->have_height = TRUE;
- tmp_priv->minimum_req.height = min_result;
- tmp_priv->natural_req.height = nat_result;
- }
-
- tmp_list = tmp_list->next;
- }
- }
- }
-
- g_slist_foreach (widgets, (GFunc)g_object_unref, NULL);
-
- g_slist_free (widgets);
- g_slist_free (groups);
-
- *minimum = min_result;
- *natural = nat_result;
-}
-
-/**
- * _gtk_size_group_bump_requisition:
- * @widget: a #GtkWidget
- * @mode: either %GTK_SIZE_GROUP_HORIZONTAL or %GTK_SIZE_GROUP_VERTICAL, depending
- * on the dimension in which to bump the size.
- * @minimum: a pointer to the widget's minimum size
- * @natural: a pointer to the widget's natural size
- *
- * Refreshes the sizegroup while returning the groups requested
- * value in the dimension @mode.
- *
- * This function is used both to update sizegroup minimum and natural size
- * information and widget minimum and natural sizes in multiple passes from
- * the size request apis.
- */
-void
-_gtk_size_group_bump_requisition (GtkWidget *widget,
- GtkSizeGroupMode mode,
- gint *minimum,
- gint *natural)
-{
- if (!_gtk_widget_get_sizegroup_bumping (widget))
- {
- /* Avoid recursion here */
- _gtk_widget_set_sizegroup_bumping (widget, TRUE);
-
- if (_gtk_widget_get_sizegroups (widget))
- compute_dimension (widget, mode, minimum, natural);
-
- _gtk_widget_set_sizegroup_bumping (widget, FALSE);
- }
-}
-
-
-
/**
* _gtk_size_group_queue_resize:
* @widget: a #GtkWidget
projects / ~andy / gtk / blobdiff