static void
clutter_bin_layout_allocate (ClutterLayoutManager *manager,
ClutterContainer *container,
const ClutterActorBox *allocation,
ClutterAllocationFlags flags)
{
GList *children = clutter_container_get_children (container);
GList *l;
gfloat available_w, available_h;
available_w = clutter_actor_box_get_width (allocation);
available_h = clutter_actor_box_get_height (allocation);
for (l = children; l != NULL; l = l->next)
{
ClutterActor *child = l->data;
ClutterLayoutMeta *meta;
ClutterBinLayer *layer;
ClutterActorBox child_alloc = { 0, };
gdouble x_align, y_align;
gboolean x_fill, y_fill;
meta = clutter_layout_manager_get_child_meta (manager,
container,
child);
layer = CLUTTER_BIN_LAYER (meta);
if (layer->x_align == CLUTTER_BIN_ALIGNMENT_FIXED)
child_alloc.x1 = clutter_actor_get_x (child);
else
child_alloc.x1 = 0.0f;
if (layer->y_align == CLUTTER_BIN_ALIGNMENT_FIXED)
child_alloc.y1 = clutter_actor_get_y (child);
else
child_alloc.y1 = 0.0f;
child_alloc.x2 = available_w;
child_alloc.y2 = available_h;
x_fill = (layer->x_align == CLUTTER_BIN_ALIGNMENT_FILL);
y_fill = (layer->y_align == CLUTTER_BIN_ALIGNMENT_FILL);
x_align = get_bin_alignment_factor (layer->x_align);
y_align = get_bin_alignment_factor (layer->y_align);
clutter_actor_allocate_align_fill (child, &child_alloc,
x_align, y_align,
x_fill, y_fill,
flags);
}
g_list_free (children);
}
static void
st_bin_allocate (ClutterActor *self,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
StBinPrivate *priv = ST_BIN (self)->priv;
clutter_actor_set_allocation (self, box, flags);
if (priv->child && clutter_actor_is_visible (priv->child))
{
StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (self));
ClutterActorBox childbox;
gdouble x_align_f, y_align_f;
st_theme_node_get_content_box (theme_node, box, &childbox);
_st_get_align_factors (priv->x_align, priv->y_align,
&x_align_f, &y_align_f);
clutter_actor_allocate_align_fill (priv->child, &childbox,
x_align_f, y_align_f,
priv->x_fill, priv->y_fill,
flags);
}
}
static void
st_table_preferred_allocate (ClutterActor *self,
const ClutterActorBox *content_box,
gboolean flags)
{
gint row_spacing, col_spacing;
gint i;
gint *col_widths, *row_heights;
StTable *table;
StTablePrivate *priv;
gboolean ltr;
ClutterActor *child;
table = ST_TABLE (self);
priv = ST_TABLE (self)->priv;
col_spacing = (priv->col_spacing);
row_spacing = (priv->row_spacing);
col_widths =
st_table_calculate_col_widths (table,
(int) (content_box->x2 - content_box->x1));
row_heights =
st_table_calculate_row_heights (table,
(int) (content_box->y2 - content_box->y1),
col_widths);
ltr = (clutter_actor_get_text_direction (self) == CLUTTER_TEXT_DIRECTION_LTR);
for (child = clutter_actor_get_first_child (self);
child != NULL;
child = clutter_actor_get_next_sibling (child))
{
gint row, col, row_span, col_span;
gint col_width, row_height;
StTableChild *meta;
ClutterActorBox childbox;
gint child_x, child_y;
gdouble x_align_f, y_align_f;
meta = (StTableChild *) clutter_container_get_child_meta (CLUTTER_CONTAINER (self), child);
if (!meta->allocate_hidden && !CLUTTER_ACTOR_IS_VISIBLE (child))
continue;
/* get child properties */
col = meta->col;
row = meta->row;
row_span = meta->row_span;
col_span = meta->col_span;
_st_get_align_factors (meta->x_align, meta->y_align,
&x_align_f, &y_align_f);
/* initialise the width and height */
col_width = col_widths[col];
row_height = row_heights[row];
/* 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 ("StTable: col-span exceeds number of columns");
#if 0
if (row + row_span > priv->n_rows)
g_warning ("StTable: row-span exceeds number of rows");
#endif
if (col_span > 1)
{
for (i = col + 1; i < col + col_span && i < priv->n_cols; i++)
{
col_width += col_widths[i];
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 += row_heights[i];
row_height += row_spacing;
}
}
/* calculate child x */
if (ltr)
{
child_x = (int) content_box->x1
+ col_spacing * col;
for (i = 0; i < col; i++)
child_x += col_widths[i];
}
else
{
child_x = (int) content_box->x2
- col_spacing * col;
for (i = 0; i < col; i++)
child_x -= col_widths[i];
}
/* calculate child y */
child_y = (int) content_box->y1
+ row_spacing * row;
for (i = 0; i < row; i++)
child_y += row_heights[i];
/* set up childbox */
if (ltr)
{
childbox.x1 = (float) child_x;
childbox.x2 = (float) MAX (0, child_x + col_width);
}
else
{
childbox.x2 = (float) child_x;
childbox.x1 = (float) MAX (0, child_x - col_width);
}
childbox.y1 = (float) child_y;
childbox.y2 = (float) MAX (0, child_y + row_height);
clutter_actor_allocate_align_fill (child, &childbox,
x_align_f, y_align_f,
meta->x_fill, meta->y_fill,
flags);
}
}
static void
st_table_homogeneous_allocate (ClutterActor *self,
const ClutterActorBox *content_box,
gboolean flags)
{
gfloat col_width, row_height;
gint row_spacing, col_spacing;
StTablePrivate *priv = ST_TABLE (self)->priv;
gboolean ltr = clutter_actor_get_text_direction (self) == CLUTTER_TEXT_DIRECTION_LTR;
ClutterActor *child;
col_spacing = priv->col_spacing;
row_spacing = priv->row_spacing;
col_width = (int) ((content_box->x2 - content_box->x1
- (col_spacing * (priv->n_cols - 1)))
/ priv->n_cols + 0.5);
row_height = (int) ((content_box->y2 - content_box->y1
- (row_spacing * (priv->n_rows - 1)))
/ priv->n_rows + 0.5);
for (child = clutter_actor_get_first_child (self);
child != NULL;
child = clutter_actor_get_next_sibling (child))
{
gint row, col, row_span, col_span;
StTableChild *meta;
ClutterActorBox childbox;
gdouble x_align_f, y_align_f;
meta = (StTableChild *) clutter_container_get_child_meta (CLUTTER_CONTAINER (self), child);
if (!meta->allocate_hidden && !CLUTTER_ACTOR_IS_VISIBLE (child))
continue;
/* get child properties */
col = meta->col;
row = meta->row;
row_span = meta->row_span;
col_span = meta->col_span;
_st_get_align_factors (meta->x_align, meta->y_align,
&x_align_f, &y_align_f);
if (ltr)
{
childbox.x1 = content_box->x1 + (col_width + col_spacing) * col;
childbox.x2 = childbox.x1 + (col_width * col_span) + (col_spacing * (col_span - 1));
}
else
{
childbox.x2 = content_box->x2 - (col_width + col_spacing) * col;
childbox.x1 = childbox.x2 - (col_width * col_span) - (col_spacing * (col_span - 1));
}
childbox.y1 = content_box->y1 + (row_height + row_spacing) * row;
childbox.y2 = childbox.y1 + (row_height * row_span) + (row_spacing * (row_span - 1));
clutter_actor_allocate_align_fill (child, &childbox,
x_align_f, y_align_f,
meta->x_fill, meta->y_fill,
flags);
}
}
static void
clutter_bin_layout_allocate (ClutterLayoutManager *manager,
ClutterContainer *container,
const ClutterActorBox *allocation,
ClutterAllocationFlags flags)
{
gfloat allocation_x, allocation_y;
gfloat available_w, available_h;
ClutterActor *actor, *child;
ClutterActorIter iter;
gboolean use_animations;
ClutterAnimationMode easing_mode;
guint easing_duration, easing_delay;
clutter_actor_box_get_origin (allocation, &allocation_x, &allocation_y);
clutter_actor_box_get_size (allocation, &available_w, &available_h);
actor = CLUTTER_ACTOR (container);
use_animations = clutter_layout_manager_get_easing_state (manager,
&easing_mode,
&easing_duration,
&easing_delay);
clutter_actor_iter_init (&iter, actor);
while (clutter_actor_iter_next (&iter, &child))
{
ClutterLayoutMeta *meta;
ClutterBinLayer *layer;
ClutterActorBox child_alloc = { 0, };
gdouble x_align, y_align;
gboolean x_fill, y_fill;
meta = clutter_layout_manager_get_child_meta (manager,
container,
child);
layer = CLUTTER_BIN_LAYER (meta);
if (layer->x_align == CLUTTER_BIN_ALIGNMENT_FIXED)
child_alloc.x1 = clutter_actor_get_x (child);
else
child_alloc.x1 = allocation_x;
if (layer->y_align == CLUTTER_BIN_ALIGNMENT_FIXED)
child_alloc.y1 = clutter_actor_get_y (child);
else
child_alloc.y1 = allocation_y;
child_alloc.x2 = available_w;
child_alloc.y2 = available_h;
if (clutter_actor_needs_expand (child, CLUTTER_ORIENTATION_HORIZONTAL))
{
ClutterActorAlign align;
align = _clutter_actor_get_effective_x_align (child);
x_fill = align == CLUTTER_ACTOR_ALIGN_FILL;
x_align = get_actor_align_factor (align);
}
else
{
x_fill = (layer->x_align == CLUTTER_BIN_ALIGNMENT_FILL);
x_align = get_bin_alignment_factor (layer->x_align);
}
if (clutter_actor_needs_expand (child, CLUTTER_ORIENTATION_VERTICAL))
{
ClutterActorAlign align;
align = clutter_actor_get_y_align (child);
y_fill = align == CLUTTER_ACTOR_ALIGN_FILL;
y_align = get_actor_align_factor (align);
}
else
{
y_fill = (layer->y_align == CLUTTER_BIN_ALIGNMENT_FILL);
y_align = get_bin_alignment_factor (layer->y_align);
}
if (use_animations)
{
clutter_actor_save_easing_state (child);
clutter_actor_set_easing_mode (child, easing_mode);
clutter_actor_set_easing_duration (child, easing_duration);
clutter_actor_set_easing_delay (child, easing_delay);
}
clutter_actor_allocate_align_fill (child, &child_alloc,
x_align, y_align,
x_fill, y_fill,
flags);
if (use_animations)
clutter_actor_restore_easing_state (child);
}
}
static void
clutter_bin_layout_allocate (ClutterLayoutManager *manager,
ClutterContainer *container,
const ClutterActorBox *allocation,
ClutterAllocationFlags flags)
{
gfloat allocation_x, allocation_y;
gfloat available_w, available_h;
ClutterActor *actor, *child;
ClutterActorIter iter;
clutter_actor_box_get_origin (allocation, &allocation_x, &allocation_y);
clutter_actor_box_get_size (allocation, &available_w, &available_h);
actor = CLUTTER_ACTOR (container);
clutter_actor_iter_init (&iter, actor);
while (clutter_actor_iter_next (&iter, &child))
{
ClutterLayoutMeta *meta;
ClutterBinLayer *layer;
ClutterActorBox child_alloc = { 0, };
gdouble x_align, y_align;
gboolean x_fill, y_fill, is_fixed_position_set;
float fixed_x, fixed_y;
if (!clutter_actor_is_visible (child))
continue;
meta = clutter_layout_manager_get_child_meta (manager,
container,
child);
layer = CLUTTER_BIN_LAYER (meta);
fixed_x = fixed_y = 0.f;
g_object_get (child,
"fixed-position-set", &is_fixed_position_set,
"fixed-x", &fixed_x,
"fixed-y", &fixed_y,
NULL);
/* XXX:2.0 - remove the FIXED alignment, and just use the fixed position
* of the actor if one is set
*/
if (is_fixed_position_set ||
layer->x_align == CLUTTER_BIN_ALIGNMENT_FIXED)
{
if (is_fixed_position_set)
child_alloc.x1 = fixed_x;
else
child_alloc.x1 = clutter_actor_get_x (child);
}
else
child_alloc.x1 = allocation_x;
if (is_fixed_position_set ||
layer->y_align == CLUTTER_BIN_ALIGNMENT_FIXED)
{
if (is_fixed_position_set)
child_alloc.y1 = fixed_y;
else
child_alloc.y1 = clutter_actor_get_y (child);
}
else
child_alloc.y1 = allocation_y;
child_alloc.x2 = allocation_x + available_w;
child_alloc.y2 = allocation_y + available_h;
if (clutter_actor_needs_expand (child, CLUTTER_ORIENTATION_HORIZONTAL))
{
ClutterActorAlign align;
align = clutter_actor_get_x_align (child);
x_fill = align == CLUTTER_ACTOR_ALIGN_FILL;
x_align = get_actor_align_factor (align);
}
else
{
ClutterTextDirection text_dir;
x_fill = (layer->x_align == CLUTTER_BIN_ALIGNMENT_FILL);
text_dir = clutter_actor_get_text_direction (child);
if (!is_fixed_position_set)
x_align = get_bin_alignment_factor (layer->x_align, text_dir);
else
x_align = 0.0;
}
if (clutter_actor_needs_expand (child, CLUTTER_ORIENTATION_VERTICAL))
{
ClutterActorAlign align;
align = clutter_actor_get_y_align (child);
y_fill = align == CLUTTER_ACTOR_ALIGN_FILL;
y_align = get_actor_align_factor (align);
}
else
{
y_fill = (layer->y_align == CLUTTER_BIN_ALIGNMENT_FILL);
if (!is_fixed_position_set)
y_align = get_bin_alignment_factor (layer->y_align,
CLUTTER_TEXT_DIRECTION_LTR);
else
y_align = 0.0;
}
clutter_actor_allocate_align_fill (child, &child_alloc,
x_align, y_align,
x_fill, y_fill,
flags);
}
}
