static void
gtk_style_cascade_lookup (GtkStyleProviderPrivate *provider,
const GtkCssMatcher *matcher,
GtkCssLookup *lookup)
{
GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
GtkStyleCascadeIter iter;
GtkStyleProvider *item;
for (item = gtk_style_cascade_iter_init (cascade, &iter);
item;
item = gtk_style_cascade_iter_next (cascade, &iter))
{
if (GTK_IS_STYLE_PROVIDER_PRIVATE (item))
{
_gtk_style_provider_private_lookup (GTK_STYLE_PROVIDER_PRIVATE (item),
matcher,
lookup);
}
else
{
/* you lose */
g_warn_if_reached ();
}
}
}
static gboolean
gtk_style_cascade_get_style_property (GtkStyleProvider *provider,
GtkWidgetPath *path,
GtkStateFlags state,
GParamSpec *pspec,
GValue *value)
{
GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
GtkStyleCascadeIter iter;
GtkStyleProvider *item;
for (item = gtk_style_cascade_iter_init (cascade, &iter);
item;
item = gtk_style_cascade_iter_next (cascade, &iter))
{
if (gtk_style_provider_get_style_property (item,
path,
state,
pspec,
value))
return TRUE;
}
return FALSE;
}
static GtkCssChange
gtk_style_cascade_get_change (GtkStyleProviderPrivate *provider,
const GtkCssMatcher *matcher)
{
GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
GtkStyleCascadeIter iter;
GtkStyleProvider *item;
GtkCssChange change = 0;
for (item = gtk_style_cascade_iter_init (cascade, &iter);
item;
item = gtk_style_cascade_iter_next (cascade, &iter))
{
if (GTK_IS_STYLE_PROVIDER_PRIVATE (item))
{
change |= _gtk_style_provider_private_get_change (GTK_STYLE_PROVIDER_PRIVATE (item),
matcher);
}
else
{
g_return_val_if_reached (GTK_CSS_CHANGE_ANY);
}
}
return change;
}
static GtkCssValue *
gtk_style_cascade_get_color (GtkStyleProviderPrivate *provider,
const char *name)
{
GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
GtkStyleCascadeIter iter;
GtkCssValue *color;
GtkStyleProvider *item;
for (item = gtk_style_cascade_iter_init (cascade, &iter);
item;
item = gtk_style_cascade_iter_next (cascade, &iter))
{
if (GTK_IS_STYLE_PROVIDER_PRIVATE (item))
{
color = _gtk_style_provider_private_get_color (GTK_STYLE_PROVIDER_PRIVATE (item), name);
if (color)
return color;
}
else
{
/* If somebody hits this code path, shout at them */
}
}
return NULL;
}
static void
gtk_style_cascade_lookup (GtkStyleProviderPrivate *provider,
const GtkCssMatcher *matcher,
GtkCssLookup *lookup,
GtkCssChange *change)
{
GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
GtkStyleCascadeIter iter;
GtkStyleProvider *item;
GtkCssChange iter_change;
for (item = gtk_style_cascade_iter_init (cascade, &iter);
item;
item = gtk_style_cascade_iter_next (cascade, &iter))
{
GtkStyleProviderPrivate *sp = (GtkStyleProviderPrivate*)item;
if (GTK_IS_STYLE_PROVIDER_PRIVATE (sp))
{
_gtk_style_provider_private_lookup (sp, matcher, lookup,
change ? &iter_change : NULL);
if (change)
*change |= iter_change;
}
else
{
/* you lose */
g_warn_if_reached ();
}
}
gtk_style_cascade_iter_clear (&iter);
}
static GtkCssKeyframes *
gtk_style_cascade_get_keyframes (GtkStyleProviderPrivate *provider,
const char *name)
{
GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
GtkStyleCascadeIter iter;
GtkCssKeyframes *keyframes;
GtkStyleProvider *item;
for (item = gtk_style_cascade_iter_init (cascade, &iter);
item;
item = gtk_style_cascade_iter_next (cascade, &iter))
{
if (!GTK_IS_STYLE_PROVIDER_PRIVATE (item))
continue;
keyframes = _gtk_style_provider_private_get_keyframes (GTK_STYLE_PROVIDER_PRIVATE (item), name);
if (keyframes)
{
gtk_style_cascade_iter_clear (&iter);
return keyframes;
}
}
gtk_style_cascade_iter_clear (&iter);
return NULL;
}
static GtkSettings *
gtk_style_cascade_get_settings (GtkStyleProviderPrivate *provider)
{
GtkStyleCascade *cascade = GTK_STYLE_CASCADE (provider);
GtkStyleCascadeIter iter;
GtkSettings *settings;
GtkStyleProvider *item;
for (item = gtk_style_cascade_iter_init (cascade, &iter);
item;
item = gtk_style_cascade_iter_next (cascade, &iter))
{
if (!GTK_IS_STYLE_PROVIDER_PRIVATE (item))
continue;
settings = _gtk_style_provider_private_get_settings (GTK_STYLE_PROVIDER_PRIVATE (item));
if (settings)
{
gtk_style_cascade_iter_clear (&iter);
return settings;
}
}
gtk_style_cascade_iter_clear (&iter);
return NULL;
}
static GtkStyleProvider *
gtk_style_cascade_iter_init (GtkStyleCascade *cascade,
GtkStyleCascadeIter *iter)
{
iter->parent_index = cascade->parent ? cascade->parent->providers->len : 0;
iter->index = cascade->providers->len;
return gtk_style_cascade_iter_next (cascade, iter);
}
static GtkStyleProvider *
gtk_style_cascade_iter_init (GtkStyleCascade *cascade,
GtkStyleCascadeIter *iter)
{
GtkStyleCascade *cas = cascade;
int ix;
iter->n_cascades = 1;
while ((cas = cas->parent) != NULL)
iter->n_cascades++;
iter->cascade_index = g_new (int, iter->n_cascades);
for (cas = cascade, ix = 0; ix < iter->n_cascades; cas = cas->parent, ix++)
iter->cascade_index[ix] = cas->providers->len;
return gtk_style_cascade_iter_next (cascade, iter);
}
