/**
* gtk_source_style_scheme_chooser_set_style_scheme:
* @chooser: a #GtkSourceStyleSchemeChooser
* @scheme: a #GtkSourceStyleScheme
*
* Sets the scheme.
*
* Since: 3.16
*/
void
gtk_source_style_scheme_chooser_set_style_scheme (GtkSourceStyleSchemeChooser *chooser,
GtkSourceStyleScheme *scheme)
{
g_return_if_fail (GTK_SOURCE_IS_STYLE_SCHEME_CHOOSER (chooser));
g_return_if_fail (GTK_SOURCE_IS_STYLE_SCHEME (scheme));
GTK_SOURCE_STYLE_SCHEME_CHOOSER_GET_IFACE (chooser)->set_style_scheme (chooser, scheme);
}
void
_gtk_source_engine_set_style_scheme (GtkSourceEngine *engine,
GtkSourceStyleScheme *scheme)
{
g_return_if_fail (GTK_SOURCE_IS_ENGINE (engine));
g_return_if_fail (GTK_SOURCE_IS_STYLE_SCHEME (scheme) || scheme == NULL);
g_return_if_fail (GTK_SOURCE_ENGINE_GET_INTERFACE (engine)->set_style_scheme != NULL);
GTK_SOURCE_ENGINE_GET_INTERFACE (engine)->set_style_scheme (engine, scheme);
}
static gboolean
get_style_rgba (GtkSourceStyleScheme *scheme,
const gchar *style_name,
int type,
GdkRGBA *rgba)
{
GtkSourceStyle *style;
g_assert (!scheme || GTK_SOURCE_IS_STYLE_SCHEME (scheme));
g_assert (style_name != NULL);
g_assert (type == FOREGROUND || type == BACKGROUND);
g_assert (rgba != NULL);
memset (rgba, 0, sizeof *rgba);
if (scheme == NULL)
return FALSE;
if (NULL != (style = gtk_source_style_scheme_get_style (scheme, style_name)))
{
g_autofree gchar *str = NULL;
gboolean set = FALSE;
g_object_get (style,
type ? "background" : "foreground", &str,
type ? "background-set" : "foreground-set", &set,
NULL);
if (str != NULL)
gdk_rgba_parse (rgba, str);
return set;
}
return FALSE;
}
gboolean
ide_source_style_scheme_apply_style (GtkSourceStyleScheme *style_scheme,
const gchar *style_name,
GtkTextTag *tag)
{
g_autofree gchar *foreground = NULL;
g_autofree gchar *background = NULL;
g_autofree gchar *underline_color = NULL;
GdkRGBA underline_rgba;
GtkSourceStyle *style;
const gchar *colon;
PangoUnderline pango_underline;
gboolean foreground_set = FALSE;
gboolean background_set = FALSE;
gboolean bold = FALSE;
gboolean bold_set = FALSE;
gboolean underline_set = FALSE;
gboolean underline_color_set = FALSE;
gboolean italic = FALSE;
gboolean italic_set = FALSE;
g_return_val_if_fail (GTK_SOURCE_IS_STYLE_SCHEME (style_scheme), FALSE);
g_return_val_if_fail (style_name != NULL, FALSE);
g_object_set (tag,
"foreground-set", FALSE,
"background-set", FALSE,
"weight-set", FALSE,
"underline-set", FALSE,
"underline-rgba-set", FALSE,
"style-set", FALSE,
NULL);
style = gtk_source_style_scheme_get_style (style_scheme, style_name);
if (style == NULL && (colon = strchr (style_name, ':')))
{
gchar defname[64];
g_snprintf (defname, sizeof defname, "def%s", colon);
style = gtk_source_style_scheme_get_style (style_scheme, defname);
if (style == NULL)
return FALSE;
}
g_object_get (style,
"background", &background,
"background-set", &background_set,
"foreground", &foreground,
"foreground-set", &foreground_set,
"bold", &bold,
"bold-set", &bold_set,
"pango-underline", &pango_underline,
"underline-set", &underline_set,
"underline-color", &underline_color,
"underline-color-set", &underline_color_set,
"italic", &italic,
"italic-set", &italic_set,
NULL);
if (background_set)
g_object_set (tag, "background", background, NULL);
if (foreground_set)
g_object_set (tag, "foreground", foreground, NULL);
if (bold_set && bold)
g_object_set (tag, "weight", PANGO_WEIGHT_BOLD, NULL);
if (italic_set && italic)
g_object_set (tag, "style", PANGO_STYLE_ITALIC, NULL);
if (underline_set)
g_object_set (tag, "underline", pango_underline, NULL);
if (underline_color_set && underline_color != NULL)
{
gdk_rgba_parse (&underline_rgba, underline_color);
g_object_set (tag,
"underline-rgba", &underline_rgba,
NULL);
}
return TRUE;
}
