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gtkcssimagefallback: Implement equals()

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The default equals() implementation in gtkcssimage.c just returns FALSE.
This avoids needless redraws, e.g. for disabled switches.
This commit is contained in:
Timm Bäder 2017-10-14 12:00:19 +02:00
parent 00ce3abd6c
commit d2f027a9d9
1 changed files with 23 additions and 0 deletions
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23
gtk/gtkcssimagefallback.c
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@ -234,6 +234,28 @@ gtk_css_image_fallback_parse (GtkCssImage *image,
return TRUE;
}
static gboolean
gtk_css_image_fallback_equal (GtkCssImage *image1,
GtkCssImage *image2)
{
GtkCssImageFallback *fallback1 = GTK_CSS_IMAGE_FALLBACK (image1);
GtkCssImageFallback *fallback2 = GTK_CSS_IMAGE_FALLBACK (image2);
if (fallback1->used < 0)
{
if (fallback2->used >= 0)
return FALSE;
return _gtk_css_value_equal (fallback1->color, fallback2->color);
}
if (fallback2->used < 0)
return FALSE;
return _gtk_css_image_equal (fallback1->images[fallback1->used],
fallback2->images[fallback2->used]);
}
static void
_gtk_css_image_fallback_class_init (GtkCssImageFallbackClass *klass)
{
@ -247,6 +269,7 @@ _gtk_css_image_fallback_class_init (GtkCssImageFallbackClass *klass)
image_class->parse = gtk_css_image_fallback_parse;
image_class->compute = gtk_css_image_fallback_compute;
image_class->print = gtk_css_image_fallback_print;
image_class->equal = gtk_css_image_fallback_equal;
object_class->dispose = gtk_css_image_fallback_dispose;
}