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css: Make some corner values static

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Provide static value for uniform corners
with lengths from 0 to 8px. This covers
the majority of corners in widget-factory.
This commit is contained in:
Matthias Clasen 2023-05-12 14:48:45 -04:00
parent 17644b12a5
commit 494cff94d6
1 changed files with 46 additions and 1 deletions
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47
gtk/gtkcsscornervalue.c
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@ -88,7 +88,7 @@ gtk_css_value_corner_transition (GtkCssValue *start,
static void
gtk_css_value_corner_print (const GtkCssValue *corner,
GString *string)
GString *string)
{
_gtk_css_value_print (corner->x, string);
if (!_gtk_css_value_equal (corner->x, corner->y))
@ -109,12 +109,57 @@ static const GtkCssValueClass GTK_CSS_VALUE_CORNER = {
gtk_css_value_corner_print
};
static GtkCssValue corner_singletons[] = {
{ &GTK_CSS_VALUE_CORNER, 1, TRUE, NULL, NULL },
{ &GTK_CSS_VALUE_CORNER, 1, TRUE, NULL, NULL },
{ &GTK_CSS_VALUE_CORNER, 1, TRUE, NULL, NULL },
{ &GTK_CSS_VALUE_CORNER, 1, TRUE, NULL, NULL },
{ &GTK_CSS_VALUE_CORNER, 1, TRUE, NULL, NULL },
{ &GTK_CSS_VALUE_CORNER, 1, TRUE, NULL, NULL },
{ &GTK_CSS_VALUE_CORNER, 1, TRUE, NULL, NULL },
{ &GTK_CSS_VALUE_CORNER, 1, TRUE, NULL, NULL },
};
static inline void
initialize_corner_singletons (void)
{
static gboolean initialized = FALSE;
if (initialized)
return;
for (unsigned int i = 0; i < G_N_ELEMENTS (corner_singletons); i++)
{
corner_singletons[i].x = gtk_css_dimension_value_new (i, GTK_CSS_PX);
corner_singletons[i].y = gtk_css_value_ref (corner_singletons[i].x);
}
initialized = TRUE;
}
GtkCssValue *
_gtk_css_corner_value_new (GtkCssValue *x,
GtkCssValue *y)
{
GtkCssValue *result;
if (x == y &&
gtk_css_number_value_get_dimension (x) == GTK_CSS_DIMENSION_LENGTH)
{
initialize_corner_singletons ();
for (unsigned int i = 0; i < G_N_ELEMENTS (corner_singletons); i++)
{
if (corner_singletons[i].x == x)
{
gtk_css_value_unref (x);
gtk_css_value_unref (y);
return gtk_css_value_ref (&corner_singletons[i]);
}
}
}
result = _gtk_css_value_new (GtkCssValue, &GTK_CSS_VALUE_CORNER);
result->x = x;
result->y = y;