mirror of
https://github.com/brl/mutter.git
synced 2024-11-22 16:10:41 -05:00
box-layout: Honour :text-direction
During size request and allocation a ClutterBoxLayout should honour the ClutterActor:text-direction property, and change the order of the children.
This commit is contained in:
Emmanuele Bassi
parent
adab87b520
commit
4bc3d02ebd
@ -521,14 +521,16 @@ clutter_box_layout_set_container (ClutterLayoutManager *layout,
|
||||
|
||||
static void
|
||||
get_preferred_width (ClutterBoxLayout *self,
|
||||
const GList *children,
|
||||
ClutterContainer *container,
|
||||
GList *children,
|
||||
gfloat for_height,
|
||||
gfloat *min_width_p,
|
||||
gfloat *natural_width_p)
|
||||
{
|
||||
ClutterBoxLayoutPrivate *priv = self->priv;
|
||||
gint n_children = 0;
|
||||
const GList *l;
|
||||
gboolean is_rtl;
|
||||
GList *l;
|
||||
|
||||
if (min_width_p)
|
||||
*min_width_p = 0;
|
||||
@ -536,7 +538,19 @@ get_preferred_width (ClutterBoxLayout *self,
|
||||
if (natural_width_p)
|
||||
*natural_width_p = 0;
|
||||
|
||||
for (l = children; l != NULL; l = l->next)
|
||||
if (!priv->is_vertical)
|
||||
{
|
||||
ClutterTextDirection text_dir;
|
||||
|
||||
text_dir = clutter_actor_get_text_direction (CLUTTER_ACTOR (container));
|
||||
is_rtl = (text_dir == CLUTTER_TEXT_DIRECTION_RTL) ? TRUE : FALSE;
|
||||
}
|
||||
else
|
||||
is_rtl = FALSE;
|
||||
|
||||
for (l = (is_rtl) ? g_list_last (children) : children;
|
||||
l != NULL;
|
||||
l = (is_rtl) ? l->prev : l->next)
|
||||
{
|
||||
ClutterActor *child = l->data;
|
||||
gfloat child_min = 0, child_nat = 0;
|
||||
@ -584,14 +598,16 @@ get_preferred_width (ClutterBoxLayout *self,
|
||||
|
||||
static void
|
||||
get_preferred_height (ClutterBoxLayout *self,
|
||||
const GList *children,
|
||||
ClutterContainer *container,
|
||||
GList *children,
|
||||
gfloat for_height,
|
||||
gfloat *min_height_p,
|
||||
gfloat *natural_height_p)
|
||||
{
|
||||
ClutterBoxLayoutPrivate *priv = self->priv;
|
||||
gint n_children = 0;
|
||||
const GList *l;
|
||||
gboolean is_rtl;
|
||||
GList *l;
|
||||
|
||||
if (min_height_p)
|
||||
*min_height_p = 0;
|
||||
@ -599,7 +615,19 @@ get_preferred_height (ClutterBoxLayout *self,
|
||||
if (natural_height_p)
|
||||
*natural_height_p = 0;
|
||||
|
||||
for (l = children; l != NULL; l = l->next)
|
||||
if (!priv->is_vertical)
|
||||
{
|
||||
ClutterTextDirection text_dir;
|
||||
|
||||
text_dir = clutter_actor_get_text_direction (CLUTTER_ACTOR (container));
|
||||
is_rtl = (text_dir == CLUTTER_TEXT_DIRECTION_RTL) ? TRUE : FALSE;
|
||||
}
|
||||
else
|
||||
is_rtl = FALSE;
|
||||
|
||||
for (l = (is_rtl) ? g_list_last (children) : children;
|
||||
l != NULL;
|
||||
l = (is_rtl) ? l->prev : l->next)
|
||||
{
|
||||
ClutterActor *child = l->data;
|
||||
gfloat child_min = 0, child_nat = 0;
|
||||
@ -644,6 +672,78 @@ get_preferred_height (ClutterBoxLayout *self,
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
allocate_box_child (ClutterBoxLayout *self,
|
||||
ClutterContainer *container,
|
||||
ClutterActor *child,
|
||||
gfloat *position,
|
||||
gfloat avail_width,
|
||||
gfloat avail_height,
|
||||
gfloat extra_space,
|
||||
ClutterAllocationFlags flags)
|
||||
{
|
||||
ClutterBoxLayoutPrivate *priv = self->priv;
|
||||
ClutterActorBox child_box;
|
||||
ClutterBoxChild *box_child;
|
||||
ClutterLayoutMeta *meta;
|
||||
gfloat child_nat;
|
||||
|
||||
if (!CLUTTER_ACTOR_IS_VISIBLE (child))
|
||||
return;
|
||||
|
||||
meta = clutter_layout_manager_get_child_meta (CLUTTER_LAYOUT_MANAGER (self),
|
||||
container,
|
||||
child);
|
||||
box_child = CLUTTER_BOX_CHILD (meta);
|
||||
|
||||
if (priv->is_vertical)
|
||||
{
|
||||
clutter_actor_get_preferred_height (child, avail_width,
|
||||
NULL, &child_nat);
|
||||
|
||||
child_box.y1 = floorf (*position + 0.5);
|
||||
|
||||
if (box_child->expand)
|
||||
child_box.y2 = floorf (*position + child_nat + extra_space + 0.5);
|
||||
else
|
||||
child_box.y2 = floorf (*position + child_nat + 0.5);
|
||||
|
||||
child_box.x1 = 0;
|
||||
child_box.x2 = floorf (avail_width + 0.5);
|
||||
|
||||
allocate_fill (child, &child_box, box_child);
|
||||
clutter_actor_allocate (child, &child_box, flags);
|
||||
|
||||
if (box_child->expand)
|
||||
*position += (child_nat + priv->spacing + extra_space);
|
||||
else
|
||||
*position += (child_nat + priv->spacing);
|
||||
}
|
||||
else
|
||||
{
|
||||
clutter_actor_get_preferred_width (child, avail_height,
|
||||
NULL, &child_nat);
|
||||
|
||||
child_box.x1 = floorf (*position + 0.5);
|
||||
|
||||
if (box_child->expand)
|
||||
child_box.x2 = floorf (*position + child_nat + extra_space + 0.5);
|
||||
else
|
||||
child_box.x2 = floorf (*position + child_nat + 0.5);
|
||||
|
||||
child_box.y1 = 0;
|
||||
child_box.y2 = floorf (avail_height + 0.5);
|
||||
|
||||
allocate_fill (child, &child_box, box_child);
|
||||
clutter_actor_allocate (child, &child_box, flags);
|
||||
|
||||
if (box_child->expand)
|
||||
*position += (child_nat + priv->spacing + extra_space);
|
||||
else
|
||||
*position += (child_nat + priv->spacing);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
clutter_box_layout_get_preferred_width (ClutterLayoutManager *layout,
|
||||
ClutterContainer *container,
|
||||
@ -656,7 +756,7 @@ clutter_box_layout_get_preferred_width (ClutterLayoutManager *layout,
|
||||
|
||||
children = clutter_container_get_children (container);
|
||||
|
||||
get_preferred_width (self, children, for_height,
|
||||
get_preferred_width (self, container, children, for_height,
|
||||
min_width_p,
|
||||
natural_width_p);
|
||||
|
||||
@ -675,7 +775,7 @@ clutter_box_layout_get_preferred_height (ClutterLayoutManager *layout,
|
||||
|
||||
children = clutter_container_get_children (container);
|
||||
|
||||
get_preferred_height (self, children, for_width,
|
||||
get_preferred_height (self, container, children, for_width,
|
||||
min_height_p,
|
||||
natural_height_p);
|
||||
|
||||
@ -690,9 +790,10 @@ clutter_box_layout_allocate (ClutterLayoutManager *layout,
|
||||
{
|
||||
ClutterBoxLayoutPrivate *priv = CLUTTER_BOX_LAYOUT (layout)->priv;
|
||||
gfloat avail_width, avail_height, pref_width, pref_height;
|
||||
GList *children, *l;
|
||||
gint n_expand_children, extra_space;
|
||||
GList *children, *l;
|
||||
gfloat position;
|
||||
gboolean is_rtl;
|
||||
|
||||
children = clutter_container_get_children (container);
|
||||
if (children == NULL)
|
||||
@ -703,6 +804,7 @@ clutter_box_layout_allocate (ClutterLayoutManager *layout,
|
||||
if (priv->is_vertical)
|
||||
{
|
||||
get_preferred_height (CLUTTER_BOX_LAYOUT (layout),
|
||||
container,
|
||||
children, avail_width,
|
||||
NULL,
|
||||
&pref_height);
|
||||
@ -712,6 +814,7 @@ clutter_box_layout_allocate (ClutterLayoutManager *layout,
|
||||
else
|
||||
{
|
||||
get_preferred_width (CLUTTER_BOX_LAYOUT (layout),
|
||||
container,
|
||||
children, avail_height,
|
||||
NULL,
|
||||
&pref_width);
|
||||
@ -752,69 +855,44 @@ clutter_box_layout_allocate (ClutterLayoutManager *layout,
|
||||
|
||||
position = 0;
|
||||
|
||||
for (l = (priv->is_pack_start) ? g_list_last (children) : children;
|
||||
l != NULL;
|
||||
l = (priv->is_pack_start) ? l->prev : l->next)
|
||||
if (!priv->is_vertical)
|
||||
{
|
||||
ClutterActor *child = l->data;
|
||||
ClutterActorBox child_box;
|
||||
ClutterBoxChild *box_child;
|
||||
ClutterLayoutMeta *meta;
|
||||
gfloat child_nat;
|
||||
ClutterTextDirection text_dir;
|
||||
|
||||
if (!CLUTTER_ACTOR_IS_VISIBLE (child))
|
||||
continue;
|
||||
text_dir = clutter_actor_get_text_direction (CLUTTER_ACTOR (container));
|
||||
is_rtl = (text_dir == CLUTTER_TEXT_DIRECTION_RTL) ? TRUE : FALSE;
|
||||
}
|
||||
else
|
||||
is_rtl = FALSE;
|
||||
|
||||
meta = clutter_layout_manager_get_child_meta (layout,
|
||||
container,
|
||||
child);
|
||||
box_child = CLUTTER_BOX_CHILD (meta);
|
||||
|
||||
if (priv->is_vertical)
|
||||
if (is_rtl)
|
||||
{
|
||||
for (l = (priv->is_pack_start) ? children : g_list_last (children);
|
||||
l != NULL;
|
||||
l = (priv->is_pack_start) ? l->next : l->prev)
|
||||
{
|
||||
clutter_actor_get_preferred_height (child, avail_width,
|
||||
NULL, &child_nat);
|
||||
ClutterActor *child = l->data;
|
||||
|
||||
child_box.y1 = ceilf (position);
|
||||
|
||||
if (box_child->expand)
|
||||
child_box.y2 = ceilf (position + child_nat + extra_space);
|
||||
else
|
||||
child_box.y2 = ceilf (position + child_nat);
|
||||
|
||||
child_box.x1 = 0;
|
||||
child_box.x2 = ceilf (avail_width);
|
||||
|
||||
allocate_fill (child, &child_box, box_child);
|
||||
clutter_actor_allocate (child, &child_box, flags);
|
||||
|
||||
if (box_child->expand)
|
||||
position += (child_nat + priv->spacing + extra_space);
|
||||
else
|
||||
position += (child_nat + priv->spacing);
|
||||
allocate_box_child (CLUTTER_BOX_LAYOUT (layout), container, child,
|
||||
&position,
|
||||
avail_width,
|
||||
avail_height,
|
||||
extra_space, flags);
|
||||
}
|
||||
else
|
||||
}
|
||||
else
|
||||
{
|
||||
for (l = (priv->is_pack_start) ? g_list_last (children) : children;
|
||||
l != NULL;
|
||||
l = (priv->is_pack_start) ? l->prev : l->next)
|
||||
{
|
||||
clutter_actor_get_preferred_width (child, avail_height,
|
||||
NULL, &child_nat);
|
||||
ClutterActor *child = l->data;
|
||||
|
||||
child_box.x1 = ceilf (position);
|
||||
|
||||
if (box_child->expand)
|
||||
child_box.x2 = ceilf (position + child_nat + extra_space);
|
||||
else
|
||||
child_box.x2 = ceilf (position + child_nat);
|
||||
|
||||
child_box.y1 = 0;
|
||||
child_box.y2 = ceilf (avail_height);
|
||||
|
||||
allocate_fill (child, &child_box, box_child);
|
||||
clutter_actor_allocate (child, &child_box, flags);
|
||||
|
||||
if (box_child->expand)
|
||||
position += (child_nat + priv->spacing + extra_space);
|
||||
else
|
||||
position += (child_nat + priv->spacing);
|
||||
allocate_box_child (CLUTTER_BOX_LAYOUT (layout), container, child,
|
||||
&position,
|
||||
avail_width,
|
||||
avail_height,
|
||||
extra_space, flags);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user