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2006-10-03 Matthew Allum <mallum@openedhand.com>

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* configure.ac:
        * clutter/Makefile.am:
        * clutter/clutter-actor.c:
        * clutter/clutter-label.c:
        * clutter/clutter-label.h:
        * clutter/pango/Makefile.am:
        * clutter/pango/pangoclutter-font.c:
        * clutter/pango/pangoclutter-fontmap.c:
        * clutter/pango/pangoclutter-private.h:
        * clutter/pango/pangoclutter-render.c:
        * clutter/pango/pangoclutter.h:
        Add initial rough new pango renderer and clutter-label.

        * examples/super-oh.c:
        * examples/test.c:
        Minor fixups
This commit is contained in:
Matthew Allum
2006-10-03 21:59:30 +00:00
parent 1bd964c757
commit e9cceac1ee
14 changed files with 2167 additions and 197 deletions
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753
clutter/clutter-label.c
View File

@ -37,18 +37,28 @@
#include "clutter-enum-types.h"
#include "clutter-private.h" /* for DBG */
#include <pango/pangoft2.h>
#include "pangoclutter.h"
#define DEFAULT_FONT_NAME "Sans 10"
G_DEFINE_TYPE (ClutterLabel, clutter_label, CLUTTER_TYPE_TEXTURE);
G_DEFINE_TYPE (ClutterLabel, clutter_label, CLUTTER_TYPE_ACTOR);
/* Probably move into main */
static PangoClutterFontMap *_font_map = NULL;
static PangoContext *_context = NULL;
enum
{
PROP_0,
PROP_FONT_NAME,
PROP_TEXT,
PROP_COLOR
PROP_COLOR,
PROP_ATTRIBUTES,
PROP_USE_MARKUP,
PROP_ALIGNMENT, /* FIXME */
PROP_WRAP,
PROP_WRAP_MODE,
PROP_ELLIPSIZE,
};
#define CLUTTER_LABEL_GET_PRIVATE(obj) \
@ -56,7 +66,6 @@ enum
struct _ClutterLabelPrivate
{
PangoLayout *layout;
PangoContext *context;
PangoFontDescription *desc;
@ -67,97 +76,21 @@ struct _ClutterLabelPrivate
gint extents_width;
gint extents_height;
guint alignment : 2;
guint wrap : 1;
guint use_underline : 1;
guint use_markup : 1;
guint ellipsize : 3;
guint single_line_mode : 1;
guint wrap_mode : 3;
PangoAttrList *attrs;
PangoAttrList *effective_attrs;
PangoLayout *layout;
gint width_chars;
};
static void
clutter_label_make_pixbuf (ClutterLabel *label)
{
gint bx, by, w, h;
FT_Bitmap ft_bitmap;
guint8 const *ps;
guint8 *pd;
ClutterLabelPrivate *priv;
ClutterTexture *texture;
GdkPixbuf *pixbuf;
priv = label->priv;
texture = CLUTTER_TEXTURE(label);
if (priv->layout == NULL || priv->desc == NULL || priv->text == NULL)
{
CLUTTER_DBG("*** FAIL: layout: %p , desc: %p, text %p ***",
priv->layout, priv->desc, priv->text);
return;
}
pango_layout_set_font_description (priv->layout, priv->desc);
pango_layout_set_text (priv->layout, priv->text, -1);
if (priv->extents_width != 0)
{
CLUTTER_DBG("forcing width to '%i'", priv->extents_width);
pango_layout_set_width (priv->layout, PANGO_SCALE * priv->extents_width);
pango_layout_set_wrap (priv->layout, PANGO_WRAP_WORD);
}
pango_layout_get_pixel_size (priv->layout,
&w,
&h);
if (w == 0 || h == 0)
{
CLUTTER_DBG("aborting w:%i , h:%i", w, h);
return;
}
ft_bitmap.rows = h;
ft_bitmap.width = w;
ft_bitmap.pitch = (w+3) & ~3;
ft_bitmap.buffer = g_malloc0 (ft_bitmap.rows * ft_bitmap.pitch);
ft_bitmap.num_grays = 256;
ft_bitmap.pixel_mode = ft_pixel_mode_grays;
ft_bitmap.palette_mode = 0;
ft_bitmap.palette = NULL;
pango_ft2_render_layout (&ft_bitmap, priv->layout, 0, 0);
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
TRUE,
8,
ft_bitmap.width,
ft_bitmap.rows);
for (by = 0; by < ft_bitmap.rows; by++)
{
pd = gdk_pixbuf_get_pixels (pixbuf)
+ by * gdk_pixbuf_get_rowstride (pixbuf);
ps = ft_bitmap.buffer + by * ft_bitmap.pitch;
for (bx = 0; bx < ft_bitmap.width; bx++)
{
*pd++ = priv->fgcol.red;
*pd++ = priv->fgcol.green;
*pd++ = priv->fgcol.blue;
*pd++ = *ps++;
}
}
g_free (ft_bitmap.buffer);
CLUTTER_DBG("Calling set_pixbuf with text : '%s' , pixb %ix%i"
" rendered with color %i,%i,%i,%i",
priv->text, w, h,
priv->fgcol.red,
priv->fgcol.green,
priv->fgcol.blue,
priv->fgcol.alpha);
clutter_texture_set_pixbuf (CLUTTER_TEXTURE (label), pixbuf);
/* Texture has the ref now */
g_object_unref (pixbuf);
}
static void
clutter_label_set_property (GObject *object,
@ -182,6 +115,24 @@ clutter_label_set_property (GObject *object,
case PROP_COLOR:
clutter_label_set_color (label, g_value_get_boxed (value));
break;
case PROP_ATTRIBUTES:
clutter_label_set_attributes (label, g_value_get_boxed (value));
break;
case PROP_ALIGNMENT:
clutter_label_set_alignment (label, g_value_get_enum (value));
break;
case PROP_USE_MARKUP:
clutter_label_set_use_markup (label, g_value_get_boolean (value));
break;
case PROP_WRAP:
clutter_label_set_line_wrap (label, g_value_get_boolean (value));
break;
case PROP_WRAP_MODE:
clutter_label_set_line_wrap_mode (label, g_value_get_enum (value));
break;
case PROP_ELLIPSIZE:
clutter_label_set_ellipsize (label, g_value_get_enum (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -213,12 +164,124 @@ clutter_label_get_property (GObject *object,
clutter_label_get_color (label, &color);
g_value_set_boxed (value, &color);
break;
case PROP_ATTRIBUTES:
g_value_set_boxed (value, priv->attrs);
break;
case PROP_ALIGNMENT:
g_value_set_enum (value, priv->alignment);
break;
case PROP_USE_MARKUP:
g_value_set_boolean (value, priv->use_markup);
break;
case PROP_WRAP:
g_value_set_boolean (value, priv->wrap);
break;
case PROP_WRAP_MODE:
g_value_set_enum (value, priv->wrap_mode);
break;
case PROP_ELLIPSIZE:
g_value_set_enum (value, priv->ellipsize);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
clutter_label_ensure_layout (ClutterLabel *label, gint width)
{
ClutterLabelPrivate *priv;
priv = label->priv;
if (!priv->layout)
{
priv->layout = pango_layout_new (_context);
if (priv->effective_attrs)
pango_layout_set_attributes (priv->layout, priv->effective_attrs);
pango_layout_set_alignment (priv->layout, priv->alignment);
pango_layout_set_ellipsize (priv->layout, priv->ellipsize);
pango_layout_set_single_paragraph_mode (priv->layout,
priv->single_line_mode);
pango_layout_set_font_description (priv->layout, priv->desc);
pango_layout_set_text (priv->layout, priv->text, -1);
if (priv->wrap)
pango_layout_set_wrap (priv->layout, priv->wrap_mode);
if ((priv->ellipsize || priv->wrap) && width > 0)
{
pango_layout_set_width (priv->layout, width * PANGO_SCALE);
}
else
pango_layout_set_width (priv->layout, -1);
}
}
static void
clutter_label_clear_layout (ClutterLabel *label)
{
if (label->priv->layout)
{
g_object_unref (label->priv->layout);
label->priv->layout = NULL;
}
}
void
clutter_label_paint (ClutterActor *self)
{
ClutterLabel *label;
ClutterLabelPrivate *priv;
label = CLUTTER_LABEL(self);
priv = label->priv;
if (priv->desc == NULL || priv->text == NULL)
{
CLUTTER_DBG("*** FAIL: layout: %p , desc: %p, text %p ***",
priv->layout, priv->desc, priv->text);
return;
}
clutter_label_ensure_layout (label, clutter_actor_get_width(self));
priv->fgcol.alpha = clutter_actor_get_opacity(self);
pango_clutter_render_layout (priv->layout, 0, 0, &priv->fgcol, 0);
}
static void
clutter_label_allocate_coords (ClutterActor *self,
ClutterActorBox *box)
{
ClutterLabel *label = CLUTTER_LABEL(self);
ClutterLabelPrivate *priv;
PangoRectangle logical_rect;
priv = label->priv;
clutter_label_ensure_layout (label, box->x2 - box->x1);
pango_layout_get_extents (priv->layout, NULL, &logical_rect);
box->x2 = box->x1 + PANGO_PIXELS (logical_rect.width);
box->y2 = box->y1 + PANGO_PIXELS (logical_rect.height);
return;
}
static void
clutter_label_request_coords (ClutterActor *self,
ClutterActorBox *box)
{
/* do we need to do anything ? */
clutter_label_clear_layout (CLUTTER_LABEL(self));
}
static void
clutter_label_dispose (GObject *object)
@ -266,13 +329,10 @@ clutter_label_class_init (ClutterLabelClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
ClutterActorClass *parent_class = CLUTTER_ACTOR_CLASS (clutter_label_parent_class);
actor_class->paint = parent_class->paint;
actor_class->realize = parent_class->realize;
actor_class->unrealize = parent_class->unrealize;
actor_class->show = parent_class->show;
actor_class->hide = parent_class->hide;
actor_class->paint = clutter_label_paint;
actor_class->request_coords = clutter_label_request_coords;
actor_class->allocate_coords = clutter_label_allocate_coords;
gobject_class->finalize = clutter_label_finalize;
gobject_class->dispose = clutter_label_dispose;
@ -303,6 +363,61 @@ clutter_label_class_init (ClutterLabelClass *klass)
CLUTTER_TYPE_COLOR,
G_PARAM_READWRITE));
g_object_class_install_property
(gobject_class, PROP_ATTRIBUTES,
g_param_spec_boxed ("attributes",
"Attributes",
"A list of style attributes to apply to the"
"text of the label",
PANGO_TYPE_ATTR_LIST,
G_PARAM_READWRITE));
g_object_class_install_property
(gobject_class, PROP_USE_MARKUP,
g_param_spec_boolean ("use-markup",
"Use markup",
"The text of the label includes XML markup."
"See pango_parse_markup()",
FALSE,
G_PARAM_READWRITE));
g_object_class_install_property
(gobject_class, PROP_WRAP,
g_param_spec_boolean ("wrap",
"Line wrap",
"If set, wrap lines if the text becomes too wide",
TRUE,
G_PARAM_READWRITE));
g_object_class_install_property
(gobject_class, PROP_WRAP_MODE,
g_param_spec_enum ("wrap-mode",
"Line wrap mode",
"If wrap is set, controls how linewrapping is done",
PANGO_TYPE_WRAP_MODE,
PANGO_WRAP_WORD,
G_PARAM_READWRITE));
g_object_class_install_property
(gobject_class, PROP_ELLIPSIZE,
g_param_spec_enum ( "ellipsize",
"Ellipsize",
"The preferred place to ellipsize the string,"
"if the label does not have enough room to "
"display the entire string",
PANGO_TYPE_ELLIPSIZE_MODE,
PANGO_ELLIPSIZE_NONE,
G_PARAM_READWRITE));
g_object_class_install_property
(gobject_class, PROP_ALIGNMENT,
g_param_spec_enum ( "alignment",
"Alignment",
"The preferred alignment for the string,",
PANGO_TYPE_ALIGNMENT,
PANGO_ALIGN_LEFT,
G_PARAM_READWRITE));
g_type_class_add_private (gobject_class, sizeof (ClutterLabelPrivate));
}
@ -310,29 +425,34 @@ static void
clutter_label_init (ClutterLabel *self)
{
ClutterLabelPrivate *priv;
PangoFT2FontMap *font_map;
self->priv = priv = CLUTTER_LABEL_GET_PRIVATE (self);
priv->fgcol.red = 0;
priv->fgcol.green = 0;
priv->fgcol.blue = 0;
priv->fgcol.alpha = 255;
if (_context == NULL)
{
_font_map = PANGO_CLUTTER_FONT_MAP (pango_clutter_font_map_new ());
/* pango_clutter_font_map_set_resolution (font_map, 96.0, 96.0); */
_context = pango_clutter_font_map_create_context (_font_map);
}
priv->text = NULL;
priv->font_name = g_strdup (DEFAULT_FONT_NAME);
priv->desc = pango_font_description_from_string (priv->font_name);
font_map = PANGO_FT2_FONT_MAP (pango_ft2_font_map_new ());
pango_ft2_font_map_set_resolution (font_map, 96.0, 96.0);
priv->context = pango_ft2_font_map_create_context (font_map);
priv->alignment = PANGO_ALIGN_LEFT;
priv->wrap = TRUE;
priv->wrap_mode = PANGO_WRAP_WORD;
priv->ellipsize = PANGO_ELLIPSIZE_NONE;
priv->use_underline = FALSE;
priv->use_markup = FALSE;
priv->layout = NULL;
priv->text = NULL;
priv->attrs = NULL;
priv->layout = pango_layout_new (priv->context);
priv->fgcol.red = 0;
priv->fgcol.green = 0;
priv->fgcol.blue = 0;
priv->fgcol.alpha = 255;
priv->font_name = g_strdup (DEFAULT_FONT_NAME);
priv->desc = pango_font_description_from_string (priv->font_name);
/* See http://bugzilla.gnome.org/show_bug.cgi?id=143542 ??
pango_ft2_font_map_substitute_changed (font_map);
g_object_unref (font_map);
*/
CLUTTER_MARK();
}
@ -354,18 +474,10 @@ clutter_label_new_with_text (const gchar *font_name,
CLUTTER_MARK();
label = clutter_label_new ();
clutter_label_set_font_name (CLUTTER_LABEL(label), font_name);
clutter_label_set_text (CLUTTER_LABEL(label), text);
/* FIXME: Why does calling like;
* return g_object_new (CLUTTER_TYPE_LABEL,
* "font-name", font_name,
* "text", text,
* NULL);
* mean text does not get rendered without color being set
* ( seems to need extra clutter_label_make_pixbuf() call )
*/
return label;
}
@ -389,7 +501,7 @@ clutter_label_new (void)
* Retrieves the text displayed by @label
*
* Return value: the text of the label. The returned string is
* owned by #ClutterLabel and should not be modified or freed.
* owned by #ClutterLabel and should not be modified or freed.
*/
G_CONST_RETURN gchar *
clutter_label_get_text (ClutterLabel *label)
@ -419,7 +531,7 @@ clutter_label_set_text (ClutterLabel *label,
g_free (priv->text);
priv->text = g_strdup (text);
clutter_label_make_pixbuf (label);
clutter_label_clear_layout (label);
if (CLUTTER_ACTOR_IS_VISIBLE (CLUTTER_ACTOR(label)))
clutter_actor_queue_redraw (CLUTTER_ACTOR(label));
@ -487,7 +599,7 @@ clutter_label_set_font_name (ClutterLabel *label,
if (label->priv->text && label->priv->text[0] != '\0')
{
clutter_label_make_pixbuf (label);
clutter_label_clear_layout (label);
if (CLUTTER_ACTOR_IS_VISIBLE (CLUTTER_ACTOR(label)))
clutter_actor_queue_redraw (CLUTTER_ACTOR(label));
@ -496,52 +608,6 @@ clutter_label_set_font_name (ClutterLabel *label,
g_object_notify (G_OBJECT (label), "font-name");
}
/**
* clutter_label_set_text_extents:
* @label: a #ClutterLabel
* @width: the width of the text
* @height: the height of the text
*
* Sets the maximum extents of the label's text.
*/
void
clutter_label_set_text_extents (ClutterLabel *label,
gint width,
gint height)
{
/* FIXME: height extents is broken....
*/
label->priv->extents_width = width;
label->priv->extents_height = height;
clutter_label_make_pixbuf (label);
if (CLUTTER_ACTOR_IS_VISIBLE (CLUTTER_ACTOR(label)))
clutter_actor_queue_redraw (CLUTTER_ACTOR(label));
}
/**
* clutter_label_get_text_extents:
* @label: a #ClutterLabel
* @width: return location for the width of the extents or %NULL
* @height: return location for the height of the extents or %NULL
*
* Gets the extents of the label.
*/
void
clutter_label_get_text_extents (ClutterLabel *label,
gint *width,
gint *height)
{
g_return_if_fail (CLUTTER_IS_LABEL (label));
if (width)
*width = label->priv->extents_width;
if (height)
*height = label->priv->extents_height;
}
/**
* clutter_label_set_color:
@ -566,9 +632,8 @@ clutter_label_set_color (ClutterLabel *label,
priv->fgcol.blue = color->blue;
priv->fgcol.alpha = color->alpha;
clutter_label_make_pixbuf (label);
actor = CLUTTER_ACTOR (label);
clutter_actor_set_opacity (actor, priv->fgcol.alpha);
if (CLUTTER_ACTOR_IS_VISIBLE (actor))
@ -601,3 +666,339 @@ clutter_label_get_color (ClutterLabel *label,
color->blue = priv->fgcol.blue;
color->alpha = priv->fgcol.alpha;
}
/**
* clutter_label_set_ellipsize:
* @label: a #ClutterLabel
* @mode: a #PangoEllipsizeMode
*
* Sets the mode used to ellipsize (add an ellipsis: "...") to the text
* if there is not enough space to render the entire string.
*
* Since: 0.2
**/
void
clutter_label_set_ellipsize (ClutterLabel *label,
PangoEllipsizeMode mode)
{
g_return_if_fail (CLUTTER_IS_LABEL (label));
g_return_if_fail (mode >= PANGO_ELLIPSIZE_NONE
&& mode <= PANGO_ELLIPSIZE_END);
if ((PangoEllipsizeMode) label->priv->ellipsize != mode)
{
label->priv->ellipsize = mode;
clutter_label_clear_layout (label);
if (CLUTTER_ACTOR_IS_VISIBLE (CLUTTER_ACTOR(label)))
clutter_actor_queue_redraw (CLUTTER_ACTOR(label));
}
}
/**
* clutter_label_get_ellipsize:
* @label: a #ClutterLabel
*
* Returns the ellipsizing position of the label.
* See clutter_label_set_ellipsize().
*
* Return value: #PangoEllipsizeMode
*
* Since: 0.2
**/
PangoEllipsizeMode
clutter_label_get_ellipsize (ClutterLabel *label)
{
g_return_val_if_fail (CLUTTER_IS_LABEL (label), PANGO_ELLIPSIZE_NONE);
return label->priv->ellipsize;
}
/**
* clutter_label_set_line_wrap:
* @label: a #ClutterLabel
* @wrap: the setting
*
* Toggles line wrapping within the #ClutterLabel widget. %TRUE makes it break
* lines if text exceeds the widget's size. %FALSE lets the text get cut off
* by the edge of the widget if it exceeds the widget size.
*
* Note that setting line wrapping to %TRUE does not make the label
* wrap at its parent container's width, because CLUTTER+ widgets
* conceptually can't make their requisition depend on the parent
* container's size. For a label that wraps at a specific position,
* set the label's width using clutter_widget_set_size_request().
**/
void
clutter_label_set_line_wrap (ClutterLabel *label,
gboolean wrap)
{
g_return_if_fail (CLUTTER_IS_LABEL (label));
wrap = wrap != FALSE;
if (label->priv->wrap != wrap)
{
label->priv->wrap = wrap;
clutter_label_clear_layout (label);
if (CLUTTER_ACTOR_IS_VISIBLE (CLUTTER_ACTOR(label)))
clutter_actor_queue_redraw (CLUTTER_ACTOR(label));
g_object_notify (G_OBJECT (label), "wrap");
}
}
/**
* clutter_label_get_line_wrap:
* @label: a #ClutterLabel
*
* Returns whether lines in the label are automatically wrapped.
* See clutter_label_set_line_wrap ().
*
* Return value: %TRUE if the lines of the label are automatically wrapped.
*
* Since: 0.2
*/
gboolean
clutter_label_get_line_wrap (ClutterLabel *label)
{
g_return_val_if_fail (CLUTTER_IS_LABEL (label), FALSE);
return label->priv->wrap;
}
/**
* clutter_label_set_line_wrap_mode:
* @label: a #ClutterLabel
* @wrap_mode: the line wrapping mode
*
* If line wrapping is on (see clutter_label_set_line_wrap()) this controls how
* the line wrapping is done. The default is %PANGO_WRAP_WORD which means
* wrap on word boundaries.
*
* Since: 0.2
**/
void
clutter_label_set_line_wrap_mode (ClutterLabel *label,
PangoWrapMode wrap_mode)
{
g_return_if_fail (CLUTTER_IS_LABEL (label));
if (label->priv->wrap_mode != wrap_mode)
{
label->priv->wrap_mode = wrap_mode;
clutter_label_clear_layout (label);
if (CLUTTER_ACTOR_IS_VISIBLE (CLUTTER_ACTOR(label)))
clutter_actor_queue_redraw (CLUTTER_ACTOR(label));
g_object_notify (G_OBJECT (label), "wrap-mode");
}
}
/**
* clutter_label_get_line_wrap_mode:
* @label: a #ClutterLabel
*
* Returns line wrap mode used by the label. See clutter_label_set_line_wrap_mode ().
*
* Return value: %TRUE if the lines of the label are automatically wrapped.
*
* Since: 0.2
*/
PangoWrapMode
clutter_label_get_line_wrap_mode (ClutterLabel *label)
{
g_return_val_if_fail (CLUTTER_IS_LABEL (label), FALSE);
return label->priv->wrap_mode;
}
/**
* clutter_label_get_layout:
* @label: a #ClutterLabel
*
* Gets the #PangoLayout used to display the label.
* The layout is useful to e.g. convert text positions to
* pixel positions.
* The returned layout is owned by the label so need not be
* freed by the caller.
*
* Return value: the #PangoLayout for this label
*
* Since: 0.2
**/
PangoLayout*
clutter_label_get_layout (ClutterLabel *label)
{
g_return_val_if_fail (CLUTTER_IS_LABEL (label), NULL);
clutter_label_ensure_layout (label, -1);
return label->priv->layout;
}
static void
clutter_label_set_attributes_internal (ClutterLabel *label,
PangoAttrList *attrs)
{
ClutterLabelPrivate *priv;
priv = label->priv;
if (attrs)
pango_attr_list_ref (attrs);
if (priv->attrs)
pango_attr_list_unref (priv->attrs);
if (!priv->use_markup)
{
if (attrs)
pango_attr_list_ref (attrs);
if (priv->effective_attrs)
pango_attr_list_unref (priv->effective_attrs);
priv->effective_attrs = attrs;
}
label->priv->attrs = attrs;
g_object_notify (G_OBJECT (label), "attributes");
}
/**
* clutter_label_set_attributes:
* @label: a #ClutterLabel
* @attrs: a #PangoAttrList
*
* Sets a #PangoAttrList; the attributes in the list are applied to the
* label text. The attributes set with this function will be ignored
* if the "use_markup" property
* is %TRUE.
*
* Since: 0.2
**/
void
clutter_label_set_attributes (ClutterLabel *label,
PangoAttrList *attrs)
{
g_return_if_fail (CLUTTER_IS_LABEL (label));
clutter_label_set_attributes_internal (label, attrs);
clutter_label_clear_layout (label);
if (CLUTTER_ACTOR_IS_VISIBLE (CLUTTER_ACTOR(label)))
clutter_actor_queue_redraw (CLUTTER_ACTOR(label));
}
/**
* clutter_label_get_attributes:
* @label: a #ClutterLabel
*
* Gets the attribute list that was set on the label using
* clutter_label_set_attributes(), if any.
*
* Return value: the attribute list, or %NULL if none was set.
*
* Since: 0.2
**/
PangoAttrList *
clutter_label_get_attributes (ClutterLabel *label)
{
g_return_val_if_fail (CLUTTER_IS_LABEL (label), NULL);
return label->priv->attrs;
}
/**
* clutter_label_set_use_markup:
* @label: a #ClutterLabel
* @setting: %TRUE if the label's text should be parsed for markup.
*
* Sets whether the text of the label contains markup in <link
* linkend="PangoMarkupFormat">Pango's text markup
* language</link>. See clutter_label_set_markup().
**/
void
clutter_label_set_use_markup (ClutterLabel *label,
gboolean setting)
{
g_return_if_fail (CLUTTER_IS_LABEL (label));
if (label->priv->use_markup != setting)
{
label->priv->use_markup = setting;
clutter_label_clear_layout (label);
if (CLUTTER_ACTOR_IS_VISIBLE (CLUTTER_ACTOR(label)))
clutter_actor_queue_redraw (CLUTTER_ACTOR(label));
g_object_notify (G_OBJECT (label), "use-markup");
}
}
/**
* clutter_label_get_use_markup:
* @label: a #ClutterLabel
*
* Returns whether the label's text is interpreted as marked up with
* the <link linkend="PangoMarkupFormat">Pango text markup
* language</link>. See clutter_label_set_use_markup ().
*
* Return value: %TRUE if the label's text will be parsed for markup.
**/
gboolean
clutter_label_get_use_markup (ClutterLabel *label)
{
g_return_val_if_fail (CLUTTER_IS_LABEL (label), FALSE);
return label->priv->use_markup;
}
/**
* clutter_label_set_alignment:
* @label: a #ClutterLabel
* @alignment: A #PangoAlignment
*
* Sets text alignment of the label.
**/
void
clutter_label_set_alignment (ClutterLabel *label,
PangoAlignment alignment)
{
g_return_if_fail (CLUTTER_IS_LABEL (label));
if (label->priv->alignment != alignment)
{
label->priv->alignment = alignment;
clutter_label_clear_layout (label);
if (CLUTTER_ACTOR_IS_VISIBLE (CLUTTER_ACTOR(label)))
clutter_actor_queue_redraw (CLUTTER_ACTOR(label));
g_object_notify (G_OBJECT (label), "alignment");
}
}
/**
* clutter_label_get_alignment:
* @label: a #ClutterLabel
*
* Returns the label's text alignment
*
* Return value: The labels #PangoAlignment
*
* Since 0.2
**/
gboolean
clutter_label_get_alignment (ClutterLabel *label)
{
g_return_val_if_fail (CLUTTER_IS_LABEL (label), FALSE);
return label->priv->alignment;
}