/**
* _st_set_text_from_style:
* @text: Target #ClutterText
* @theme_node: Source #StThemeNode
*
* Set various GObject properties of the @text object using
* CSS information from @theme_node.
*/
void
_st_set_text_from_style (ClutterText *text,
StThemeNode *theme_node)
{
ClutterColor color;
StTextDecoration decoration;
PangoAttrList *attribs = NULL;
const PangoFontDescription *font;
StTextAlign align;
st_theme_node_get_foreground_color (theme_node, &color);
clutter_text_set_color (text, &color);
font = st_theme_node_get_font (theme_node);
clutter_text_set_font_description (text, (PangoFontDescription *) font);
decoration = st_theme_node_get_text_decoration (theme_node);
if (decoration)
{
attribs = pango_attr_list_new ();
if (decoration & ST_TEXT_DECORATION_UNDERLINE)
{
PangoAttribute *underline = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
pango_attr_list_insert (attribs, underline);
}
if (decoration & ST_TEXT_DECORATION_LINE_THROUGH)
{
PangoAttribute *strikethrough = pango_attr_strikethrough_new (TRUE);
pango_attr_list_insert (attribs, strikethrough);
}
/* Pango doesn't have an equivalent attribute for _OVERLINE, and we deliberately
* skip BLINK (for now...)
*/
}
clutter_text_set_attributes (text, attribs);
if (attribs)
pango_attr_list_unref (attribs);
align = st_theme_node_get_text_align (theme_node);
if (align == ST_TEXT_ALIGN_JUSTIFY)
{
clutter_text_set_justify (text, TRUE);
clutter_text_set_line_alignment (text, PANGO_ALIGN_LEFT);
}
else
{
clutter_text_set_justify (text, FALSE);
clutter_text_set_line_alignment (text, (PangoAlignment) align);
}
}
static gboolean
do_tests (CallbackData *data)
{
PangoFontDescription *fd;
static const ClutterColor red = { 0xff, 0x00, 0x00, 0xff };
PangoAttrList *attr_list, *attr_list_copy;
PangoAttribute *attr;
/* TEST 1: change the text */
clutter_text_set_text (CLUTTER_TEXT (data->label), "Counter 0");
pango_layout_set_text (data->test_layout, "Counter 0", -1);
g_assert (check_result (data, "Change text", TRUE) == FALSE);
/* TEST 2: change a single character */
clutter_text_set_text (CLUTTER_TEXT (data->label), "Counter 1");
pango_layout_set_text (data->test_layout, "Counter 1", -1);
g_assert (check_result (data, "Change a single character", TRUE) == FALSE);
/* TEST 3: move the label */
clutter_actor_set_position (data->label, 10, 0);
g_assert (check_result (data, "Move the label", FALSE) == FALSE);
/* TEST 4: change the font */
clutter_text_set_font_name (CLUTTER_TEXT (data->label), "Serif 15");
fd = pango_font_description_from_string ("Serif 15");
pango_layout_set_font_description (data->test_layout, fd);
pango_font_description_free (fd);
g_assert (check_result (data, "Change the font", TRUE) == FALSE);
/* TEST 5: change the color */
clutter_text_set_color (CLUTTER_TEXT (data->label), &red);
g_assert (check_result (data, "Change the color", FALSE) == FALSE);
/* TEST 6: change the attributes */
attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
attr->start_index = 0;
attr->end_index = 2;
attr_list = pango_attr_list_new ();
pango_attr_list_insert (attr_list, attr);
attr_list_copy = pango_attr_list_copy (attr_list);
clutter_text_set_attributes (CLUTTER_TEXT (data->label), attr_list);
pango_layout_set_attributes (data->test_layout, attr_list_copy);
pango_attr_list_unref (attr_list_copy);
pango_attr_list_unref (attr_list);
g_assert (check_result (data, "Change the attributes", TRUE) == FALSE);
/* TEST 7: change the text again */
clutter_text_set_attributes (CLUTTER_TEXT (data->label), NULL);
clutter_text_set_text (CLUTTER_TEXT (data->label), long_text);
pango_layout_set_attributes (data->test_layout, NULL);
pango_layout_set_text (data->test_layout, long_text, -1);
g_assert (check_result (data, "Change the text again", TRUE) == FALSE);
/* TEST 8: enable markup */
clutter_text_set_use_markup (CLUTTER_TEXT (data->label), TRUE);
pango_layout_set_markup (data->test_layout, long_text, -1);
g_assert (check_result (data, "Enable markup", TRUE) == FALSE);
/* This part can't be a test because Clutter won't restrict the
width if wrapping and ellipsizing is disabled so the extents will
be different, but we still want to do it for the later tests */
clutter_actor_set_width (data->label, 200);
pango_layout_set_width (data->test_layout, 200 * PANGO_SCALE);
/* Force a redraw so that changing the width won't affect the
results */
force_redraw (data);
/* TEST 9: enable ellipsize */
clutter_text_set_ellipsize (CLUTTER_TEXT (data->label),
PANGO_ELLIPSIZE_END);
pango_layout_set_ellipsize (data->test_layout, PANGO_ELLIPSIZE_END);
g_assert (check_result (data, "Enable ellipsize", TRUE) == FALSE);
clutter_text_set_ellipsize (CLUTTER_TEXT (data->label),
PANGO_ELLIPSIZE_NONE);
pango_layout_set_ellipsize (data->test_layout, PANGO_ELLIPSIZE_NONE);
force_redraw (data);
/* TEST 10: enable line wrap */
clutter_text_set_line_wrap (CLUTTER_TEXT (data->label), TRUE);
pango_layout_set_wrap (data->test_layout, PANGO_WRAP_WORD);
g_assert (check_result (data, "Enable line wrap", TRUE) == FALSE);
/* TEST 11: change wrap mode
* FIXME - broken
*/
clutter_text_set_line_wrap_mode (CLUTTER_TEXT (data->label),
PANGO_WRAP_CHAR);
pango_layout_set_wrap (data->test_layout, PANGO_WRAP_CHAR);
g_assert (check_result (data, "Change wrap mode", TRUE) == FALSE);
/* TEST 12: enable justify */
clutter_text_set_justify (CLUTTER_TEXT (data->label), TRUE);
pango_layout_set_justify (data->test_layout, TRUE);
/* Pango appears to have a bug which means that you can't change the
justification after setting the text but this fixes it.
See http://bugzilla.gnome.org/show_bug.cgi?id=551865 */
pango_layout_context_changed (data->test_layout);
g_assert (check_result (data, "Enable justify", TRUE) == FALSE);
/* TEST 13: change alignment */
clutter_text_set_line_alignment (CLUTTER_TEXT (data->label),
PANGO_ALIGN_RIGHT);
pango_layout_set_alignment (data->test_layout, PANGO_ALIGN_RIGHT);
g_assert (check_result (data, "Change alignment", TRUE) == FALSE);
clutter_main_quit ();
return FALSE;
}
