* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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 "gtkintl.h"
#include "gtkcellareabox.h"
-#include "gtkcellareaboxcontext.h"
+#include "gtkcellareaboxcontextprivate.h"
#include "gtkorientable.h"
/* GObjectClass */
-static void gtk_cell_area_box_context_finalize (GObject *object);
+static void _gtk_cell_area_box_context_finalize (GObject *object);
/* GtkCellAreaContextClass */
-static void gtk_cell_area_box_context_reset (GtkCellAreaContext *context);
-static void gtk_cell_area_box_context_allocate (GtkCellAreaContext *context,
- gint width,
- gint height);
-static void gtk_cell_area_box_context_get_preferred_height_for_width (GtkCellAreaContext *context,
- gint width,
- gint *minimum_height,
- gint *natural_height);
-static void gtk_cell_area_box_context_get_preferred_width_for_height (GtkCellAreaContext *context,
- gint height,
- gint *minimum_width,
- gint *natural_width);
+static void _gtk_cell_area_box_context_reset (GtkCellAreaContext *context);
+static void _gtk_cell_area_box_context_get_preferred_height_for_width (GtkCellAreaContext *context,
+ gint width,
+ gint *minimum_height,
+ gint *natural_height);
+static void _gtk_cell_area_box_context_get_preferred_width_for_height (GtkCellAreaContext *context,
+ gint height,
+ gint *minimum_width,
+ gint *natural_width);
/* Internal functions */
-static void gtk_cell_area_box_context_sum (GtkCellAreaBoxContext *context,
- GtkOrientation orientation,
- gint for_size,
- gint *minimum_size,
- gint *natural_size);
+static void _gtk_cell_area_box_context_sum (GtkCellAreaBoxContext *context,
+ GtkOrientation orientation,
+ gint for_size,
+ gint *minimum_size,
+ gint *natural_size);
static void free_cache_array (GArray *array);
static GArray *group_array_new (GtkCellAreaBoxContext *context);
static GArray *get_array (GtkCellAreaBoxContext *context,
- GtkOrientation orientation,
- gint for_size);
+ GtkOrientation orientation,
+ gint for_size);
static gboolean group_expands (GtkCellAreaBoxContext *context,
- gint group_idx);
+ gint group_idx);
static gint count_expand_groups (GtkCellAreaBoxContext *context);
/* Whether each group expands */
gboolean *expand;
- /* Allocation info for this context if any */
- gint alloc_width;
- gint alloc_height;
- gint n_orientation_allocs;
- GtkCellAreaBoxAllocation *orientation_allocs;
+ /* Whether each group is aligned */
+ gboolean *align;
};
-G_DEFINE_TYPE (GtkCellAreaBoxContext, gtk_cell_area_box_context, GTK_TYPE_CELL_AREA_CONTEXT);
+G_DEFINE_TYPE (GtkCellAreaBoxContext, _gtk_cell_area_box_context, GTK_TYPE_CELL_AREA_CONTEXT);
static void
free_cache_array (GArray *array)
static GArray *
get_array (GtkCellAreaBoxContext *context,
- GtkOrientation orientation,
- gint for_size)
+ GtkOrientation orientation,
+ gint for_size)
{
GtkCellAreaBoxContextPrivate *priv = context->priv;
GArray *array;
if (for_size < 0)
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
- array = priv->base_widths;
+ array = priv->base_widths;
else
- array = priv->base_heights;
+ array = priv->base_heights;
}
else
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
- {
- array = g_hash_table_lookup (priv->widths, GINT_TO_POINTER (for_size));
+ {
+ array = g_hash_table_lookup (priv->widths, GINT_TO_POINTER (for_size));
- if (!array)
- array = priv->base_widths;
- }
+ if (!array)
+ array = priv->base_widths;
+ }
else
- {
- array = g_hash_table_lookup (priv->heights, GINT_TO_POINTER (for_size));
+ {
+ array = g_hash_table_lookup (priv->heights, GINT_TO_POINTER (for_size));
- if (!array)
- array = priv->base_heights;
- }
+ if (!array)
+ array = priv->base_heights;
+ }
}
return array;
static gboolean
group_expands (GtkCellAreaBoxContext *context,
- gint group_idx)
+ gint group_idx)
{
GtkCellAreaBoxContextPrivate *priv = context->priv;
for (i = 0; i < priv->base_widths->len; i++)
{
if (priv->expand[i])
- expand++;
+ expand++;
}
return expand;
}
static void
-gtk_cell_area_box_context_init (GtkCellAreaBoxContext *box_context)
+_gtk_cell_area_box_context_init (GtkCellAreaBoxContext *box_context)
{
GtkCellAreaBoxContextPrivate *priv;
box_context->priv = G_TYPE_INSTANCE_GET_PRIVATE (box_context,
- GTK_TYPE_CELL_AREA_BOX_CONTEXT,
- GtkCellAreaBoxContextPrivate);
+ GTK_TYPE_CELL_AREA_BOX_CONTEXT,
+ GtkCellAreaBoxContextPrivate);
priv = box_context->priv;
priv->base_widths = g_array_new (FALSE, TRUE, sizeof (CachedSize));
priv->base_heights = g_array_new (FALSE, TRUE, sizeof (CachedSize));
priv->widths = g_hash_table_new_full (g_direct_hash, g_direct_equal,
- NULL, (GDestroyNotify)free_cache_array);
+ NULL, (GDestroyNotify)free_cache_array);
priv->heights = g_hash_table_new_full (g_direct_hash, g_direct_equal,
- NULL, (GDestroyNotify)free_cache_array);
-
- priv->alloc_width = 0;
- priv->alloc_height = 0;
- priv->orientation_allocs = NULL;
- priv->n_orientation_allocs = 0;
+ NULL, (GDestroyNotify)free_cache_array);
}
static void
-gtk_cell_area_box_context_class_init (GtkCellAreaBoxContextClass *class)
+_gtk_cell_area_box_context_class_init (GtkCellAreaBoxContextClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
GtkCellAreaContextClass *context_class = GTK_CELL_AREA_CONTEXT_CLASS (class);
/* GObjectClass */
- object_class->finalize = gtk_cell_area_box_context_finalize;
+ object_class->finalize = _gtk_cell_area_box_context_finalize;
- context_class->reset = gtk_cell_area_box_context_reset;
- context_class->allocate = gtk_cell_area_box_context_allocate;
- context_class->get_preferred_height_for_width = gtk_cell_area_box_context_get_preferred_height_for_width;
- context_class->get_preferred_width_for_height = gtk_cell_area_box_context_get_preferred_width_for_height;
+ context_class->reset = _gtk_cell_area_box_context_reset;
+ context_class->get_preferred_height_for_width = _gtk_cell_area_box_context_get_preferred_height_for_width;
+ context_class->get_preferred_width_for_height = _gtk_cell_area_box_context_get_preferred_width_for_height;
g_type_class_add_private (object_class, sizeof (GtkCellAreaBoxContextPrivate));
}
* GObjectClass *
*************************************************************/
static void
-gtk_cell_area_box_context_finalize (GObject *object)
+_gtk_cell_area_box_context_finalize (GObject *object)
{
GtkCellAreaBoxContext *box_context = GTK_CELL_AREA_BOX_CONTEXT (object);
GtkCellAreaBoxContextPrivate *priv = box_context->priv;
g_hash_table_destroy (priv->widths);
g_hash_table_destroy (priv->heights);
- g_free (priv->orientation_allocs);
g_free (priv->expand);
+ g_free (priv->align);
- G_OBJECT_CLASS (gtk_cell_area_box_context_parent_class)->finalize (object);
+ G_OBJECT_CLASS (_gtk_cell_area_box_context_parent_class)->finalize (object);
}
/*************************************************************
- * GtkCellAreaContextClass *
+ * GtkCellAreaContextClass *
*************************************************************/
static void
-gtk_cell_area_box_context_reset (GtkCellAreaContext *context)
+_gtk_cell_area_box_context_reset (GtkCellAreaContext *context)
{
GtkCellAreaBoxContext *box_context = GTK_CELL_AREA_BOX_CONTEXT (context);
GtkCellAreaBoxContextPrivate *priv = box_context->priv;
g_hash_table_remove_all (priv->widths);
g_hash_table_remove_all (priv->heights);
- /* Clear the allocation */
- g_free (priv->orientation_allocs);
- priv->orientation_allocs = NULL;
- priv->n_orientation_allocs = 0;
-
GTK_CELL_AREA_CONTEXT_CLASS
- (gtk_cell_area_box_context_parent_class)->reset (context);
-}
-
-static GtkRequestedSize *
-gtk_cell_area_box_context_get_requests (GtkCellAreaBoxContext *box_context,
- GtkOrientation orientation,
- gint for_size,
- gint *n_requests)
-{
- GtkCellAreaBoxContextPrivate *priv;
- GtkRequestedSize *requests;
- GArray *array;
- CachedSize *size;
- gint visible_groups = 0;
- gint i, j;
-
- g_return_val_if_fail (GTK_IS_CELL_AREA_BOX_CONTEXT (box_context), NULL);
-
- priv = box_context->priv;
- array = get_array (box_context, orientation, for_size);
-
- for (i = 0; i < array->len; i++)
- {
- size = &g_array_index (array, CachedSize, i);
-
- if (size->nat_size > 0)
- visible_groups++;
- }
-
- requests = g_new (GtkRequestedSize, visible_groups);
-
- for (j = 0, i = 0; i < array->len; i++)
- {
- size = &g_array_index (array, CachedSize, i);
-
- if (size->nat_size > 0)
- {
- requests[j].data = GINT_TO_POINTER (i);
- requests[j].minimum_size = size->min_size;
- requests[j].natural_size = size->nat_size;
- j++;
- }
- }
-
- if (n_requests)
- *n_requests = visible_groups;
-
- return requests;
-}
-
-static GtkCellAreaBoxAllocation *
-allocate_for_orientation (GtkCellAreaBoxContext *context,
- GtkOrientation orientation,
- gint spacing,
- gint size,
- gint for_size,
- gint *n_allocs)
-{
- GtkCellAreaBoxAllocation *allocs;
- GtkRequestedSize *sizes;
- GArray *array;
- gint n_expand_groups = 0;
- gint i, n_groups, position;
- gint extra_size, extra_extra;
- gint avail_size = size;
-
- sizes = gtk_cell_area_box_context_get_requests (context, orientation, for_size, &n_groups);
- array = get_array (context, orientation, for_size);
- n_expand_groups = count_expand_groups (context);
-
- /* First start by naturally allocating space among groups */
- avail_size -= (n_groups - 1) * spacing;
- for (i = 0; i < n_groups; i++)
- avail_size -= sizes[i].minimum_size;
-
- if (avail_size > 0)
- avail_size = gtk_distribute_natural_allocation (avail_size, n_groups, sizes);
- else
- avail_size = 0;
-
- /* Calculate/distribute expand for groups */
- if (n_expand_groups > 0)
- {
- extra_size = avail_size / n_expand_groups;
- extra_extra = avail_size % n_expand_groups;
- }
- else
- extra_size = extra_extra = 0;
-
- allocs = g_new (GtkCellAreaBoxAllocation, n_groups);
-
- for (position = 0, i = 0; i < n_groups; i++)
- {
- allocs[i].group_idx = GPOINTER_TO_INT (sizes[i].data);
- allocs[i].position = position;
- allocs[i].size = sizes[i].minimum_size;
-
- if (group_expands (context, allocs[i].group_idx))
- {
- allocs[i].size += extra_size;
- if (extra_extra)
- {
- allocs[i].size++;
- extra_extra--;
- }
- }
-
- position += allocs[i].size;
- position += spacing;
- }
-
- if (n_allocs)
- *n_allocs = n_groups;
-
- g_free (sizes);
-
- return allocs;
-}
-
-static void
-gtk_cell_area_box_context_allocate (GtkCellAreaContext *context,
- gint width,
- gint height)
-{
- GtkCellAreaBoxContext *box_context = GTK_CELL_AREA_BOX_CONTEXT (context);
- GtkCellAreaBoxContextPrivate *priv = box_context->priv;
- GtkCellArea *area;
- GtkOrientation orientation;
- gint spacing;
-
- area = gtk_cell_area_context_get_area (context);
- orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (area));
- spacing = gtk_cell_area_box_get_spacing (GTK_CELL_AREA_BOX (area));
-
- g_free (priv->orientation_allocs);
- priv->orientation_allocs = NULL;
- priv->n_orientation_allocs = 0;
-
- if (orientation == GTK_ORIENTATION_HORIZONTAL && width > 0)
- priv->orientation_allocs = allocate_for_orientation (box_context, orientation,
- spacing, width, height,
- &priv->n_orientation_allocs);
- else if (orientation == GTK_ORIENTATION_VERTICAL && height > 0)
- priv->orientation_allocs = allocate_for_orientation (box_context, orientation,
- spacing, height, width,
- &priv->n_orientation_allocs);
-
- GTK_CELL_AREA_CONTEXT_CLASS (gtk_cell_area_box_context_parent_class)->allocate (context, width, height);
+ (_gtk_cell_area_box_context_parent_class)->reset (context);
}
static void
-gtk_cell_area_box_context_sum (GtkCellAreaBoxContext *context,
- GtkOrientation orientation,
- gint for_size,
- gint *minimum_size,
- gint *natural_size)
+_gtk_cell_area_box_context_sum (GtkCellAreaBoxContext *context,
+ GtkOrientation orientation,
+ gint for_size,
+ gint *minimum_size,
+ gint *natural_size)
{
- GtkCellArea *area;
+ GtkCellAreaBoxContextPrivate *priv = context->priv;
+ GtkCellAreaBox *area;
GtkOrientation box_orientation;
GArray *array;
- gint spacing, i;
+ gint spacing, i, last_aligned_group_idx;
gint min_size = 0, nat_size = 0;
- area = gtk_cell_area_context_get_area (GTK_CELL_AREA_CONTEXT (context));
- spacing = gtk_cell_area_box_get_spacing (GTK_CELL_AREA_BOX (area));
+ area = (GtkCellAreaBox *)gtk_cell_area_context_get_area (GTK_CELL_AREA_CONTEXT (context));
+ spacing = gtk_cell_area_box_get_spacing (area);
box_orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (area));
array = get_array (context, orientation, for_size);
+ /* Get the last visible aligned group
+ * (we need to get space at least up till this group) */
+ for (i = array->len - 1; i >= 0; i--)
+ {
+ if (priv->align[i] &&
+ _gtk_cell_area_box_group_visible (area, i))
+ break;
+ }
+ last_aligned_group_idx = i >= 0 ? i : 0;
+
for (i = 0; i < array->len; i++)
{
CachedSize *size = &g_array_index (array, CachedSize, i);
if (box_orientation == orientation)
- {
- /* Dont add spacing for 0 size groups, they can be 0 size because
- * they contain only invisible cells for this round of requests
- */
- if (min_size > 0 && size->nat_size > 0)
- {
- min_size += spacing;
- nat_size += spacing;
- }
-
- min_size += size->min_size;
- nat_size += size->nat_size;
- }
+ {
+ if (i > last_aligned_group_idx &&
+ !_gtk_cell_area_box_group_visible (area, i))
+ continue;
+
+ /* Dont add spacing for 0 size groups, they can be 0 size because
+ * they contain only invisible cells for this round of requests
+ */
+ if (min_size > 0 && size->nat_size > 0)
+ {
+ min_size += spacing;
+ nat_size += spacing;
+ }
+
+ min_size += size->min_size;
+ nat_size += size->nat_size;
+ }
else
- {
- min_size = MAX (min_size, size->min_size);
- nat_size = MAX (nat_size, size->nat_size);
- }
+ {
+ min_size = MAX (min_size, size->min_size);
+ nat_size = MAX (nat_size, size->nat_size);
+ }
}
if (for_size < 0)
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
- gtk_cell_area_context_push_preferred_width (GTK_CELL_AREA_CONTEXT (context), min_size, nat_size);
+ gtk_cell_area_context_push_preferred_width (GTK_CELL_AREA_CONTEXT (context), min_size, nat_size);
else
- gtk_cell_area_context_push_preferred_height (GTK_CELL_AREA_CONTEXT (context), min_size, nat_size);
+ gtk_cell_area_context_push_preferred_height (GTK_CELL_AREA_CONTEXT (context), min_size, nat_size);
}
if (minimum_size)
}
static void
-gtk_cell_area_box_context_get_preferred_height_for_width (GtkCellAreaContext *context,
- gint width,
- gint *minimum_height,
- gint *natural_height)
+_gtk_cell_area_box_context_get_preferred_height_for_width (GtkCellAreaContext *context,
+ gint width,
+ gint *minimum_height,
+ gint *natural_height)
{
- gtk_cell_area_box_context_sum (GTK_CELL_AREA_BOX_CONTEXT (context), GTK_ORIENTATION_VERTICAL,
- width, minimum_height, natural_height);
+ _gtk_cell_area_box_context_sum (GTK_CELL_AREA_BOX_CONTEXT (context), GTK_ORIENTATION_VERTICAL,
+ width, minimum_height, natural_height);
}
static void
-gtk_cell_area_box_context_get_preferred_width_for_height (GtkCellAreaContext *context,
- gint height,
- gint *minimum_width,
- gint *natural_width)
+_gtk_cell_area_box_context_get_preferred_width_for_height (GtkCellAreaContext *context,
+ gint height,
+ gint *minimum_width,
+ gint *natural_width)
{
- gtk_cell_area_box_context_sum (GTK_CELL_AREA_BOX_CONTEXT (context), GTK_ORIENTATION_HORIZONTAL,
- height, minimum_width, natural_width);
+ _gtk_cell_area_box_context_sum (GTK_CELL_AREA_BOX_CONTEXT (context), GTK_ORIENTATION_HORIZONTAL,
+ height, minimum_width, natural_width);
}
/*************************************************************
*************************************************************/
static void
copy_size_array (GArray *src_array,
- GArray *dest_array)
+ GArray *dest_array)
{
gint i;
static void
for_size_copy (gpointer key,
- GArray *size_array,
- GHashTable *dest_hash)
+ GArray *size_array,
+ GHashTable *dest_hash)
{
GArray *new_array;
}
GtkCellAreaBoxContext *
-gtk_cell_area_box_context_copy (GtkCellAreaBox *box,
- GtkCellAreaBoxContext *context)
+_gtk_cell_area_box_context_copy (GtkCellAreaBox *box,
+ GtkCellAreaBoxContext *context)
{
GtkCellAreaBoxContext *copy;
- copy = g_object_new (GTK_TYPE_CELL_AREA_BOX_CONTEXT,
- "area", box, NULL);
+ copy = g_object_new (GTK_TYPE_CELL_AREA_BOX_CONTEXT,
+ "area", box, NULL);
- gtk_cell_area_box_init_groups (copy,
- context->priv->base_widths->len,
- context->priv->expand);
+ _gtk_cell_area_box_init_groups (copy,
+ context->priv->base_widths->len,
+ context->priv->expand,
+ context->priv->align);
/* Copy the base arrays */
- copy_size_array (context->priv->base_widths,
- copy->priv->base_widths);
- copy_size_array (context->priv->base_heights,
- copy->priv->base_heights);
+ copy_size_array (context->priv->base_widths,
+ copy->priv->base_widths);
+ copy_size_array (context->priv->base_heights,
+ copy->priv->base_heights);
/* Copy each for size */
g_hash_table_foreach (context->priv->heights,
- (GHFunc)for_size_copy, copy->priv->heights);
+ (GHFunc)for_size_copy, copy->priv->heights);
g_hash_table_foreach (context->priv->widths,
- (GHFunc)for_size_copy, copy->priv->widths);
+ (GHFunc)for_size_copy, copy->priv->widths);
- /* Copy any active allocation */
- copy->priv->n_orientation_allocs =
- context->priv->n_orientation_allocs;
-
- if (copy->priv->n_orientation_allocs)
- copy->priv->orientation_allocs =
- g_memdup (context->priv->orientation_allocs,
- copy->priv->n_orientation_allocs * sizeof (GtkCellAreaBoxAllocation));
return copy;
}
void
-gtk_cell_area_box_init_groups (GtkCellAreaBoxContext *box_context,
- guint n_groups,
- gboolean *expand_groups)
+_gtk_cell_area_box_init_groups (GtkCellAreaBoxContext *box_context,
+ guint n_groups,
+ gboolean *expand_groups,
+ gboolean *align_groups)
{
GtkCellAreaBoxContextPrivate *priv;
g_return_if_fail (GTK_IS_CELL_AREA_BOX_CONTEXT (box_context));
g_return_if_fail (n_groups == 0 || expand_groups != NULL);
- /* When the group dimensions change, all info must be reset
+ /* When the group dimensions change, all info must be reset
* Note this already clears the min/nat values on the CachedSizes
*/
gtk_cell_area_context_reset (GTK_CELL_AREA_CONTEXT (box_context));
g_free (priv->expand);
priv->expand = g_memdup (expand_groups, n_groups * sizeof (gboolean));
+
+ g_free (priv->align);
+ priv->align = g_memdup (align_groups, n_groups * sizeof (gboolean));
}
void
-gtk_cell_area_box_context_push_group_width (GtkCellAreaBoxContext *box_context,
- gint group_idx,
- gint minimum_width,
- gint natural_width)
+_gtk_cell_area_box_context_push_group_width (GtkCellAreaBoxContext *box_context,
+ gint group_idx,
+ gint minimum_width,
+ gint natural_width)
{
GtkCellAreaBoxContextPrivate *priv;
CachedSize *size;
}
if (grew)
- gtk_cell_area_box_context_sum (box_context, GTK_ORIENTATION_HORIZONTAL, -1, NULL, NULL);
+ _gtk_cell_area_box_context_sum (box_context, GTK_ORIENTATION_HORIZONTAL, -1, NULL, NULL);
}
void
-gtk_cell_area_box_context_push_group_height_for_width (GtkCellAreaBoxContext *box_context,
- gint group_idx,
- gint for_width,
- gint minimum_height,
- gint natural_height)
+_gtk_cell_area_box_context_push_group_height_for_width (GtkCellAreaBoxContext *box_context,
+ gint group_idx,
+ gint for_width,
+ gint minimum_height,
+ gint natural_height)
{
GtkCellAreaBoxContextPrivate *priv;
GArray *group_array;
}
void
-gtk_cell_area_box_context_push_group_height (GtkCellAreaBoxContext *box_context,
- gint group_idx,
- gint minimum_height,
- gint natural_height)
+_gtk_cell_area_box_context_push_group_height (GtkCellAreaBoxContext *box_context,
+ gint group_idx,
+ gint minimum_height,
+ gint natural_height)
{
GtkCellAreaBoxContextPrivate *priv;
CachedSize *size;
}
if (grew)
- gtk_cell_area_box_context_sum (box_context, GTK_ORIENTATION_VERTICAL, -1, NULL, NULL);
+ _gtk_cell_area_box_context_sum (box_context, GTK_ORIENTATION_VERTICAL, -1, NULL, NULL);
}
void
-gtk_cell_area_box_context_push_group_width_for_height (GtkCellAreaBoxContext *box_context,
- gint group_idx,
- gint for_height,
- gint minimum_width,
- gint natural_width)
+_gtk_cell_area_box_context_push_group_width_for_height (GtkCellAreaBoxContext *box_context,
+ gint group_idx,
+ gint for_height,
+ gint minimum_width,
+ gint natural_width)
{
GtkCellAreaBoxContextPrivate *priv;
GArray *group_array;
}
void
-gtk_cell_area_box_context_get_group_width (GtkCellAreaBoxContext *box_context,
- gint group_idx,
- gint *minimum_width,
- gint *natural_width)
+_gtk_cell_area_box_context_get_group_width (GtkCellAreaBoxContext *box_context,
+ gint group_idx,
+ gint *minimum_width,
+ gint *natural_width)
{
GtkCellAreaBoxContextPrivate *priv;
CachedSize *size;
if (minimum_width)
*minimum_width = size->min_size;
-
+
if (natural_width)
*natural_width = size->nat_size;
}
void
-gtk_cell_area_box_context_get_group_height_for_width (GtkCellAreaBoxContext *box_context,
- gint group_idx,
- gint for_width,
- gint *minimum_height,
- gint *natural_height)
+_gtk_cell_area_box_context_get_group_height_for_width (GtkCellAreaBoxContext *box_context,
+ gint group_idx,
+ gint for_width,
+ gint *minimum_height,
+ gint *natural_height)
{
GtkCellAreaBoxContextPrivate *priv;
GArray *group_array;
CachedSize *size = &g_array_index (group_array, CachedSize, group_idx);
if (minimum_height)
- *minimum_height = size->min_size;
+ *minimum_height = size->min_size;
if (natural_height)
- *natural_height = size->nat_size;
+ *natural_height = size->nat_size;
}
else
{
if (minimum_height)
- *minimum_height = -1;
+ *minimum_height = -1;
if (natural_height)
- *natural_height = -1;
+ *natural_height = -1;
}
}
void
-gtk_cell_area_box_context_get_group_height (GtkCellAreaBoxContext *box_context,
- gint group_idx,
- gint *minimum_height,
- gint *natural_height)
+_gtk_cell_area_box_context_get_group_height (GtkCellAreaBoxContext *box_context,
+ gint group_idx,
+ gint *minimum_height,
+ gint *natural_height)
{
GtkCellAreaBoxContextPrivate *priv;
CachedSize *size;
if (minimum_height)
*minimum_height = size->min_size;
-
+
if (natural_height)
*natural_height = size->nat_size;
}
void
-gtk_cell_area_box_context_get_group_width_for_height (GtkCellAreaBoxContext *box_context,
- gint group_idx,
- gint for_height,
- gint *minimum_width,
- gint *natural_width)
+_gtk_cell_area_box_context_get_group_width_for_height (GtkCellAreaBoxContext *box_context,
+ gint group_idx,
+ gint for_height,
+ gint *minimum_width,
+ gint *natural_width)
{
GtkCellAreaBoxContextPrivate *priv;
GArray *group_array;
CachedSize *size = &g_array_index (group_array, CachedSize, group_idx);
if (minimum_width)
- *minimum_width = size->min_size;
+ *minimum_width = size->min_size;
if (natural_width)
- *natural_width = size->nat_size;
+ *natural_width = size->nat_size;
}
else
{
if (minimum_width)
- *minimum_width = -1;
+ *minimum_width = -1;
if (natural_width)
- *natural_width = -1;
+ *natural_width = -1;
+ }
+}
+
+static GtkRequestedSize *
+_gtk_cell_area_box_context_get_requests (GtkCellAreaBoxContext *box_context,
+ GtkCellAreaBox *area,
+ GtkOrientation orientation,
+ gint for_size,
+ gint *n_requests)
+{
+ GtkCellAreaBoxContextPrivate *priv = box_context->priv;
+ GtkRequestedSize *requests;
+ GArray *array;
+ CachedSize *size;
+ gint visible_groups = 0;
+ gint last_aligned_group_idx = 0;
+ gint i, j;
+
+ /* Get the last visible aligned group
+ * (we need to get space at least up till this group) */
+ for (i = priv->base_widths->len - 1; i >= 0; i--)
+ {
+ if (priv->align[i] &&
+ _gtk_cell_area_box_group_visible (area, i))
+ break;
+ }
+ last_aligned_group_idx = i >= 0 ? i : 0;
+
+ priv = box_context->priv;
+ array = get_array (box_context, orientation, for_size);
+
+ for (i = 0; i < array->len; i++)
+ {
+ size = &g_array_index (array, CachedSize, i);
+
+ if (size->nat_size > 0 &&
+ (i <= last_aligned_group_idx ||
+ _gtk_cell_area_box_group_visible (area, i)))
+ visible_groups++;
+ }
+
+ requests = g_new (GtkRequestedSize, visible_groups);
+
+ for (j = 0, i = 0; i < array->len; i++)
+ {
+ size = &g_array_index (array, CachedSize, i);
+
+ if (size->nat_size > 0 &&
+ (i <= last_aligned_group_idx ||
+ _gtk_cell_area_box_group_visible (area, i)))
+ {
+ requests[j].data = GINT_TO_POINTER (i);
+ requests[j].minimum_size = size->min_size;
+ requests[j].natural_size = size->nat_size;
+ j++;
+ }
+ }
+
+ if (n_requests)
+ *n_requests = visible_groups;
+
+ return requests;
+}
+
+static GtkCellAreaBoxAllocation *
+allocate_for_orientation (GtkCellAreaBoxContext *context,
+ GtkCellAreaBox *area,
+ GtkOrientation orientation,
+ gint spacing,
+ gint size,
+ gint for_size,
+ gint *n_allocs)
+{
+ GtkCellAreaBoxContextPrivate *priv = context->priv;
+ GtkCellAreaBoxAllocation *allocs;
+ GtkRequestedSize *sizes;
+ gint n_expand_groups = 0;
+ gint i, n_groups, position, vis_position;
+ gint extra_size, extra_extra;
+ gint avail_size = size;
+
+ sizes = _gtk_cell_area_box_context_get_requests (context, area, orientation, for_size, &n_groups);
+ n_expand_groups = count_expand_groups (context);
+
+ /* First start by naturally allocating space among groups */
+ avail_size -= (n_groups - 1) * spacing;
+ for (i = 0; i < n_groups; i++)
+ avail_size -= sizes[i].minimum_size;
+
+ if (avail_size > 0)
+ avail_size = gtk_distribute_natural_allocation (avail_size, n_groups, sizes);
+ else
+ avail_size = 0;
+
+ /* Calculate/distribute expand for groups */
+ if (n_expand_groups > 0)
+ {
+ extra_size = avail_size / n_expand_groups;
+ extra_extra = avail_size % n_expand_groups;
+ }
+ else
+ extra_size = extra_extra = 0;
+
+ allocs = g_new (GtkCellAreaBoxAllocation, n_groups);
+
+ for (vis_position = 0, position = 0, i = 0; i < n_groups; i++)
+ {
+ allocs[i].group_idx = GPOINTER_TO_INT (sizes[i].data);
+
+ if (priv->align[allocs[i].group_idx])
+ vis_position = position;
+
+ allocs[i].position = vis_position;
+ allocs[i].size = sizes[i].minimum_size;
+
+ if (group_expands (context, allocs[i].group_idx))
+ {
+ allocs[i].size += extra_size;
+ if (extra_extra)
+ {
+ allocs[i].size++;
+ extra_extra--;
+ }
+ }
+
+ position += allocs[i].size;
+ position += spacing;
+
+ if (_gtk_cell_area_box_group_visible (area, allocs[i].group_idx))
+ {
+ vis_position += allocs[i].size;
+ vis_position += spacing;
+ }
}
+
+ if (n_allocs)
+ *n_allocs = n_groups;
+
+ g_free (sizes);
+
+ return allocs;
}
GtkRequestedSize *
-gtk_cell_area_box_context_get_widths (GtkCellAreaBoxContext *box_context,
- gint *n_widths)
+_gtk_cell_area_box_context_get_widths (GtkCellAreaBoxContext *box_context,
+ gint *n_widths)
{
- return gtk_cell_area_box_context_get_requests (box_context, GTK_ORIENTATION_HORIZONTAL, -1, n_widths);
+ GtkCellAreaBox *area = (GtkCellAreaBox *)gtk_cell_area_context_get_area (GTK_CELL_AREA_CONTEXT (box_context));
+
+ return _gtk_cell_area_box_context_get_requests (box_context, area, GTK_ORIENTATION_HORIZONTAL, -1, n_widths);
}
GtkRequestedSize *
-gtk_cell_area_box_context_get_heights (GtkCellAreaBoxContext *box_context,
- gint *n_heights)
+_gtk_cell_area_box_context_get_heights (GtkCellAreaBoxContext *box_context,
+ gint *n_heights)
{
- return gtk_cell_area_box_context_get_requests (box_context, GTK_ORIENTATION_VERTICAL, -1, n_heights);
+ GtkCellAreaBox *area = (GtkCellAreaBox *)gtk_cell_area_context_get_area (GTK_CELL_AREA_CONTEXT (box_context));
+
+ return _gtk_cell_area_box_context_get_requests (box_context, area, GTK_ORIENTATION_VERTICAL, -1, n_heights);
}
GtkCellAreaBoxAllocation *
-gtk_cell_area_box_context_get_orientation_allocs (GtkCellAreaBoxContext *context,
- gint *n_allocs)
+_gtk_cell_area_box_context_get_orientation_allocs (GtkCellAreaBoxContext *context,
+ gint *n_allocs)
{
- GtkCellAreaBoxContextPrivate *priv;
+ GtkCellAreaContext *ctx = GTK_CELL_AREA_CONTEXT (context);
+ GtkCellAreaBox *area;
+ GtkOrientation orientation;
+ gint spacing, width, height, alloc_count = 0;
+ GtkCellAreaBoxAllocation *allocs = NULL;
- g_return_val_if_fail (GTK_IS_CELL_AREA_BOX_CONTEXT (context), NULL);
-
- priv = context->priv;
+ area = (GtkCellAreaBox *)gtk_cell_area_context_get_area (ctx);
+ orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (area));
+ spacing = gtk_cell_area_box_get_spacing (area);
+
+ gtk_cell_area_context_get_allocation (ctx, &width, &height);
+
+ if (orientation == GTK_ORIENTATION_HORIZONTAL && width > 0)
+ allocs = allocate_for_orientation (context, area, orientation,
+ spacing, width, height,
+ &alloc_count);
+ else if (orientation == GTK_ORIENTATION_VERTICAL && height > 0)
+ allocs = allocate_for_orientation (context, area, orientation,
+ spacing, height, width,
+ &alloc_count);
- *n_allocs = priv->n_orientation_allocs;
+ *n_allocs = alloc_count;
- return priv->orientation_allocs;
+ return allocs;
}