/**
* clutter_table_layout_get_column_count:
* @layout: A #ClutterTableLayout
*
* Retrieve the current number of columns in @layout
*
* Returns: the number of columns
*
*
*/
gint
clutter_table_layout_get_column_count (ClutterTableLayout *layout)
{
g_return_val_if_fail (CLUTTER_IS_TABLE_LAYOUT (layout), -1);
update_row_col (layout, layout->priv->container);
return CLUTTER_TABLE_LAYOUT (layout)->priv->n_cols;
}
static void
clutter_table_layout_set_container (ClutterLayoutManager *layout,
ClutterContainer *container)
{
ClutterTableLayoutPrivate *priv = CLUTTER_TABLE_LAYOUT (layout)->priv;
priv->container = container;
}
static void
clutter_table_layout_finalize (GObject *gobject)
{
ClutterTableLayoutPrivate *priv = CLUTTER_TABLE_LAYOUT (gobject)->priv;
g_array_free (priv->columns, TRUE);
g_array_free (priv->rows, TRUE);
G_OBJECT_CLASS (clutter_table_layout_parent_class)->finalize (gobject);
}
/**
* clutter_table_layout_pack:
* @layout: a #ClutterTableLayout
* @actor: a #ClutterActor
* @column: the column the @actor should be put, or -1 to append
* @row: the row the @actor should be put, or -1 to append
*
* Packs @actor inside the #ClutterContainer associated to @layout
* at the given row and column.
*
*
*/
void
clutter_table_layout_pack (ClutterTableLayout *layout,
ClutterActor *actor,
gint column,
gint row)
{
ClutterTableLayoutPrivate *priv;
ClutterLayoutManager *manager;
ClutterLayoutMeta *meta;
g_return_if_fail (CLUTTER_IS_TABLE_LAYOUT (layout));
g_return_if_fail (CLUTTER_IS_ACTOR (actor));
priv = layout->priv;
if (priv->container == NULL)
{
g_warning ("The layout of type '%s' must be associated to "
"a ClutterContainer before adding children",
G_OBJECT_TYPE_NAME (layout));
return;
}
update_row_col (CLUTTER_TABLE_LAYOUT (layout), priv->container);
clutter_actor_add_child (CLUTTER_ACTOR (priv->container), actor);
manager = CLUTTER_LAYOUT_MANAGER (layout);
meta = clutter_layout_manager_get_child_meta (manager,
priv->container,
actor);
g_assert (CLUTTER_IS_TABLE_CHILD (meta));
if (row < 0)
row = priv->n_rows;
if (column < 0)
column = priv->n_cols;
table_child_set_position (CLUTTER_TABLE_CHILD (meta), column, row);
}
static void
clutter_table_layout_get_preferred_width (ClutterLayoutManager *layout,
ClutterContainer *container,
gfloat for_height,
gfloat *min_width_p,
gfloat *natural_width_p)
{
ClutterTableLayout *self = CLUTTER_TABLE_LAYOUT (layout);
ClutterTableLayoutPrivate *priv = self->priv;
gfloat total_min_width, total_pref_width;
DimensionData *columns;
gint i;
update_row_col (self, container);
if (priv->n_cols < 1)
{
*min_width_p = 0;
*natural_width_p = 0;
return;
}
calculate_table_dimensions (self, container, -1, for_height);
columns = (DimensionData *) (void *) priv->columns->data;
total_min_width = (priv->visible_cols - 1) * (float) priv->col_spacing;
total_pref_width = total_min_width;
for (i = 0; i < priv->n_cols; i++)
{
total_min_width += columns[i].min_size;
total_pref_width += columns[i].pref_size;
}
if (min_width_p)
*min_width_p = total_min_width;
if (natural_width_p)
*natural_width_p = total_pref_width;
}
static void
clutter_table_layout_get_preferred_height (ClutterLayoutManager *layout,
ClutterContainer *container,
gfloat for_width,
gfloat *min_height_p,
gfloat *natural_height_p)
{
ClutterTableLayout *self = CLUTTER_TABLE_LAYOUT (layout);
ClutterTableLayoutPrivate *priv = self->priv;
gfloat total_min_height, total_pref_height;
DimensionData *rows;
gint i;
update_row_col (self, container);
if (priv->n_rows < 1)
{
*min_height_p = 0;
*natural_height_p = 0;
return;
}
calculate_table_dimensions (self, container, for_width, -1);
rows = (DimensionData *) (void *) priv->rows->data;
total_min_height = (priv->visible_rows - 1) * (float) priv->row_spacing;
total_pref_height = total_min_height;
for (i = 0; i < self->priv->n_rows; i++)
{
total_min_height += rows[i].min_size;
total_pref_height += rows[i].pref_size;
}
if (min_height_p)
*min_height_p = total_min_height;
if (natural_height_p)
*natural_height_p = total_pref_height;
}
static void
clutter_table_layout_get_property (GObject *gobject,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
ClutterTableLayoutPrivate *priv = CLUTTER_TABLE_LAYOUT (gobject)->priv;
switch (prop_id)
{
case PROP_ROW_SPACING:
g_value_set_uint (value, priv->row_spacing);
break;
case PROP_COLUMN_SPACING:
g_value_set_uint (value, priv->col_spacing);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
static void
clutter_table_layout_set_property (GObject *gobject,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ClutterTableLayout *self = CLUTTER_TABLE_LAYOUT (gobject);
switch (prop_id)
{
case PROP_COLUMN_SPACING:
clutter_table_layout_set_column_spacing (self, g_value_get_uint (value));
break;
case PROP_ROW_SPACING:
clutter_table_layout_set_row_spacing (self, g_value_get_uint (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
static void
clutter_table_layout_allocate (ClutterLayoutManager *layout,
ClutterContainer *container,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
ClutterTableLayout *self = CLUTTER_TABLE_LAYOUT (layout);
ClutterTableLayoutPrivate *priv = self->priv;
ClutterActor *actor, *child;
gint row_spacing, col_spacing;
gint i;
DimensionData *rows, *columns;
update_row_col (self, container);
if (priv->n_cols < 1 || priv->n_rows < 1)
return;
actor = CLUTTER_ACTOR (container);
if (clutter_actor_get_n_children (actor) == 0)
return;
col_spacing = (priv->col_spacing);
row_spacing = (priv->row_spacing);
calculate_table_dimensions (self, container,
box->x2 - box->x1,
box->y2 - box->y1);
rows = (DimensionData *) (void *) priv->rows->data;
columns = (DimensionData *) (void *) priv->columns->data;
for (child = clutter_actor_get_first_child (actor);
child != NULL;
child = clutter_actor_get_next_sibling (child))
{
gint row, col, row_span, col_span;
gint col_width, row_height;
ClutterTableChild *meta;
ClutterActorBox childbox;
gint child_x, child_y;
if (!CLUTTER_ACTOR_IS_VISIBLE (child))
continue;
meta =
CLUTTER_TABLE_CHILD (clutter_layout_manager_get_child_meta (layout,
container,
child));
/* get child properties */
col = meta->col;
row = meta->row;
row_span = meta->row_span;
col_span = meta->col_span;
/* initialise the width and height */
col_width = columns[col].final_size;
row_height = rows[row].final_size;
/* Add the widths of the spanned columns:
*
* First check that we have a non-zero span. Then we loop over each of
* the columns that we're spanning but we stop short if we go past the
* number of columns in the table. This is necessary to avoid accessing
* uninitialised memory. We add the spacing in here too since we only
* want to add as much spacing as times we successfully span.
*/
if (col + col_span > priv->n_cols)
g_warning (G_STRLOC ": column-span exceeds number of columns");
if (row + row_span > priv->n_rows)
g_warning (G_STRLOC ": row-span exceeds number of rows");
if (col_span > 1)
{
for (i = col + 1; i < col + col_span && i < priv->n_cols; i++)
{
col_width += columns[i].final_size;
col_width += col_spacing;
}
}
/* add the height of the spanned rows */
if (row_span > 1)
{
for (i = row + 1; i < row + row_span && i < priv->n_rows; i++)
{
row_height += rows[i].final_size;
row_height += row_spacing;
}
}
/* calculate child x */
child_x = clutter_actor_box_get_x (box);
for (i = 0; i < col; i++)
{
if (columns[i].visible)
{
child_x += columns[i].final_size;
child_x += col_spacing;
}
}
/* calculate child y */
child_y = clutter_actor_box_get_y (box);
for (i = 0; i < row; i++)
{
if (rows[i].visible)
{
child_y += rows[i].final_size;
child_y += row_spacing;
}
}
/* set up childbox */
childbox.x1 = (float) child_x;
childbox.x2 = (float) MAX (0, child_x + col_width);
childbox.y1 = (float) child_y;
childbox.y2 = (float) MAX (0, child_y + row_height);
clutter_actor_allocate (child, &childbox, flags);
}
}
G_MODULE_EXPORT gint
test_text_field_main (gint argc,
gchar **argv)
{
ClutterActor *stage;
ClutterActor *box, *label, *entry;
ClutterLayoutManager *table;
PangoAttrList *entry_attrs;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return EXIT_FAILURE;
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Text Fields");
clutter_actor_set_background_color (stage, CLUTTER_COLOR_Black);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
table = clutter_table_layout_new ();
clutter_table_layout_set_column_spacing (CLUTTER_TABLE_LAYOUT (table), 6);
clutter_table_layout_set_row_spacing (CLUTTER_TABLE_LAYOUT (table), 6);
box = clutter_actor_new ();
clutter_actor_set_layout_manager (box, table);
clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage, CLUTTER_BIND_WIDTH, -24.0));
clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage, CLUTTER_BIND_HEIGHT, -24.0));
clutter_actor_set_position (box, 12, 12);
clutter_actor_add_child (stage, box);
label = create_label (CLUTTER_COLOR_White, "<b>Input field:</b>");
g_object_set (label, "min-width", 150.0, NULL);
clutter_actor_add_child (box, label);
clutter_layout_manager_child_set (table, CLUTTER_CONTAINER (box), label,
"row", 0,
"column", 0,
"x-expand", FALSE,
"y-expand", FALSE,
NULL);
entry_attrs = pango_attr_list_new ();
pango_attr_list_insert (entry_attrs, pango_attr_underline_new (PANGO_UNDERLINE_ERROR));
pango_attr_list_insert (entry_attrs, pango_attr_underline_color_new (65535, 0, 0));
entry = create_entry (CLUTTER_COLOR_Black, "somme misspeeled textt", entry_attrs, 0, 0);
clutter_actor_add_child (box, entry);
clutter_layout_manager_child_set (table, CLUTTER_CONTAINER (box), entry,
"row", 0,
"column", 1,
"x-expand", TRUE,
"x-fill", TRUE,
"y-expand", FALSE,
NULL);
clutter_actor_grab_key_focus (entry);
label = create_label (CLUTTER_COLOR_White, "<b>A very long password field:</b>");
clutter_actor_add_child (box, label);
clutter_layout_manager_child_set (table, CLUTTER_CONTAINER (box), label,
"row", 1,
"column", 0,
"x-expand", FALSE,
"y-expand", FALSE,
NULL);
entry = create_entry (CLUTTER_COLOR_Black, "password", NULL, '*', 8);
clutter_actor_add_child (box, entry);
clutter_layout_manager_child_set (table, CLUTTER_CONTAINER (box), entry,
"row", 1,
"column", 1,
"x-expand", TRUE,
"x-fill", TRUE,
"y-expand", FALSE,
NULL);
clutter_actor_show (stage);
clutter_main ();
return EXIT_SUCCESS;
}
