#include "config.h"
+#include "gtkprivate.h"
#include "gtkcssvalueprivate.h"
-#include "gtkcssstylefuncsprivate.h"
-#include "gtktypebuiltins.h"
-#include "gtkgradient.h"
-#include <cairo-gobject.h>
-#include "gtkprivatetypebuiltins.h"
-#include "fallback-c89.c"
+#include "gtkcsscomputedvaluesprivate.h"
+#include "gtkstyleproviderprivate.h"
-struct _GtkCssValue
-{
+struct _GtkCssValue {
GTK_CSS_VALUE_BASE
- GType type;
- union {
- gpointer ptr;
- gint gint;
- guint guint;
- double dbl;
- float flt;
- } u;
-};
-
-static void
-gtk_css_value_default_free (GtkCssValue *value)
-{
- GType type = value->type;
-
- if (g_type_is_a (type, G_TYPE_OBJECT))
- {
- if (value->u.ptr != NULL)
- g_object_unref (value->u.ptr);
- }
- else if (g_type_is_a (type, G_TYPE_BOXED))
- {
- if (value->u.ptr != NULL)
- g_boxed_free (type, value->u.ptr);
- }
- else if (g_type_is_a (type, G_TYPE_STRING))
- g_free (value->u.ptr);
- else if (g_type_is_a (type, G_TYPE_INT))
- {}
- else if (g_type_is_a (type, G_TYPE_UINT))
- {}
- else if (g_type_is_a (type, G_TYPE_BOOLEAN))
- {}
- else if (g_type_is_a (type, G_TYPE_ENUM))
- {}
- else if (g_type_is_a (type, G_TYPE_FLAGS))
- {}
- else if (g_type_is_a (type, G_TYPE_DOUBLE))
- {}
- else if (g_type_is_a (type, G_TYPE_FLOAT))
- {}
- else
- {
- g_value_unset (value->u.ptr);
- g_slice_free (GValue, value->u.ptr);
- }
-
- g_slice_free (GtkCssValue, value);
-}
-
-static gboolean
-gtk_css_value_default_equal (const GtkCssValue *value1,
- const GtkCssValue *value2)
-{
- return FALSE;
-}
-
-static GtkCssValue *
-gtk_css_value_default_transition (GtkCssValue *start,
- GtkCssValue *end,
- double progress)
-{
- return NULL;
-}
-
-static void
-gtk_css_value_default_print (const GtkCssValue *value,
- GString *string)
-{
- GValue g_value = G_VALUE_INIT;
-
- _gtk_css_value_init_gvalue (value, &g_value);
- _gtk_css_style_print_value (&g_value, string);
- g_value_unset (&g_value);
-}
-
-static const GtkCssValueClass GTK_CSS_VALUE_DEFAULT = {
- gtk_css_value_default_free,
- gtk_css_value_default_equal,
- gtk_css_value_default_transition,
- gtk_css_value_default_print
};
G_DEFINE_BOXED_TYPE (GtkCssValue, _gtk_css_value, _gtk_css_value_ref, _gtk_css_value_unref)
-static GtkCssValue *
-gtk_css_value_new (GType type)
-{
- GtkCssValue *value;
-
- value = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_DEFAULT);
-
- value->type = type;
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_from_gvalue (const GValue *g_value)
-{
- GtkCssValue *value;
- GType type;
-
- g_return_val_if_fail (g_value != NULL, NULL);
-
- type = G_VALUE_TYPE (g_value);
-
- /* Make sure we reuse the int/number singletons */
- if (type == G_TYPE_INT)
- value = _gtk_css_value_new_from_int (g_value_get_int (g_value));
- else
- {
- value = gtk_css_value_new (type);
-
- if (g_type_is_a (type, G_TYPE_OBJECT))
- value->u.ptr = g_value_dup_object (g_value);
- else if (g_type_is_a (type, G_TYPE_BOXED))
- value->u.ptr = g_value_dup_boxed (g_value);
- else if (g_type_is_a (type, G_TYPE_INT))
- value->u.gint = g_value_get_int (g_value);
- else if (g_type_is_a (type, G_TYPE_UINT))
- value->u.guint = g_value_get_uint (g_value);
- else if (g_type_is_a (type, G_TYPE_BOOLEAN))
- value->u.gint = g_value_get_boolean (g_value);
- else if (g_type_is_a (type, G_TYPE_ENUM))
- value->u.gint = g_value_get_enum (g_value);
- else if (g_type_is_a (type, G_TYPE_FLAGS))
- value->u.guint = g_value_get_flags (g_value);
- else if (g_type_is_a (type, G_TYPE_STRING))
- value->u.ptr = g_value_dup_string (g_value);
- else if (g_type_is_a (type, G_TYPE_DOUBLE))
- value->u.dbl = g_value_get_double (g_value);
- else if (g_type_is_a (type, G_TYPE_FLOAT))
- value->u.flt = g_value_get_float (g_value);
- else
- {
- value->u.ptr = g_slice_new0 (GValue);
- g_value_init (value->u.ptr, G_VALUE_TYPE (g_value));
- g_value_copy (g_value, value->u.ptr);
- }
- }
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_from_int (gint val)
-{
- GtkCssValue *value;
- static GtkCssValue *singletons[4] = {NULL};
-
- if (val >= 0 && val < G_N_ELEMENTS (singletons))
- {
- if (singletons[val] == NULL)
- {
- value = gtk_css_value_new (G_TYPE_INT);
- value->u.gint = val;
- singletons[val] = value;
- }
- return _gtk_css_value_ref (singletons[val]);
- }
-
- value = gtk_css_value_new (G_TYPE_INT);
- value->u.gint = val;
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_from_enum (GType type,
- gint val)
-{
- GtkCssValue *value;
-
- g_return_val_if_fail (g_type_is_a (type, G_TYPE_ENUM), NULL);
-
- value = gtk_css_value_new (type);
- value->u.gint = val;
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_take_strv (char **strv)
-{
- GtkCssValue *value;
-
- value = gtk_css_value_new (G_TYPE_STRV);
- value->u.ptr = strv;
-
- return value;
-}
-
-static gpointer
-g_boxed_copy0 (GType boxed_type,
- gconstpointer src_boxed)
-{
- if (src_boxed == NULL)
- return NULL;
- return g_boxed_copy (boxed_type, src_boxed);
-}
-
-GtkCssValue *
-_gtk_css_value_new_from_boxed (GType type,
- gpointer boxed)
-{
- GtkCssValue *value;
-
- g_return_val_if_fail (g_type_is_a (type, G_TYPE_BOXED), NULL);
-
- value = gtk_css_value_new (type);
- value->u.ptr = g_boxed_copy0 (type, boxed);
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_take_pattern (cairo_pattern_t *v)
-{
- GtkCssValue *value;
-
- value = gtk_css_value_new (CAIRO_GOBJECT_TYPE_PATTERN);
- value->u.ptr = v;
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_from_theming_engine (GtkThemingEngine *v)
-{
- GtkCssValue *value;
-
- value = gtk_css_value_new (GTK_TYPE_THEMING_ENGINE);
- value->u.ptr = g_object_ref (v);
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_take_binding_sets (GPtrArray *array)
-{
- GtkCssValue *value;
-
- value = gtk_css_value_new (G_TYPE_PTR_ARRAY);
- value->u.ptr = array;
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_from_color (const GdkColor *v)
-{
- GtkCssValue *value;
-
- value = gtk_css_value_new (GDK_TYPE_COLOR);
- value->u.ptr = g_boxed_copy0 (GDK_TYPE_COLOR, v);
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_from_background_size (const GtkCssBackgroundSize *v)
-{
- GtkCssValue *value;
-
- value = gtk_css_value_new (GTK_TYPE_CSS_BACKGROUND_SIZE);
- value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BACKGROUND_SIZE, v);
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_from_background_position (const GtkCssBackgroundPosition *v)
-{
- GtkCssValue *value;
-
- value = gtk_css_value_new (GTK_TYPE_CSS_BACKGROUND_POSITION);
- value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BACKGROUND_POSITION, v);
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_from_border_image_repeat (const GtkCssBorderImageRepeat *v)
-{
- GtkCssValue *value;
-
- value = gtk_css_value_new (GTK_TYPE_CSS_BORDER_IMAGE_REPEAT);
- value->u.ptr = g_boxed_copy0 (GTK_TYPE_CSS_BORDER_IMAGE_REPEAT, v);
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_from_border_style (GtkBorderStyle style)
-{
- GtkCssValue *value;
-
- value = gtk_css_value_new (GTK_TYPE_BORDER_STYLE);
- value->u.gint = style;
-
- return value;
-}
-
-GtkCssValue *
-_gtk_css_value_new_take_symbolic_color (GtkSymbolicColor *v)
-{
- GtkCssValue *value;
-
- value = gtk_css_value_new (GTK_TYPE_SYMBOLIC_COLOR);
- value->u.ptr = v;
-
- return value;
-}
-
GtkCssValue *
_gtk_css_value_alloc (const GtkCssValueClass *klass,
gsize size)
GtkCssValue *
_gtk_css_value_ref (GtkCssValue *value)
{
- g_return_val_if_fail (value != NULL, NULL);
+ gtk_internal_return_val_if_fail (value != NULL, NULL);
g_atomic_int_add (&value->ref_count, 1);
value->class->free (value);
}
+/**
+ * _gtk_css_value_compute:
+ * @value: the value to compute from
+ * @property_id: the ID of the property to compute
+ * @provider: Style provider for looking up extra information
+ * @values: values to compute for
+ * @parent_values: parent values to use for inherited values
+ * @dependencies: (out) (allow-none): Set to the dependencies of the
+ * computed values that indicate when this value needs to be
+ * recomputed and how.
+ *
+ * Converts the specified @value into the computed value for the CSS
+ * property given by @property_id using the information in @context.
+ * This step is explained in detail in
+ * <ulink url="http://www.w3.org/TR/css3-cascade/#computed>
+ * the CSS documentation</ulink>.
+ *
+ * Returns: the computed value
+ **/
+GtkCssValue *
+_gtk_css_value_compute (GtkCssValue *value,
+ guint property_id,
+ GtkStyleProviderPrivate *provider,
+ GtkCssComputedValues *values,
+ GtkCssComputedValues *parent_values,
+ GtkCssDependencies *dependencies)
+{
+ GtkCssDependencies fallback;
+
+ gtk_internal_return_val_if_fail (value != NULL, NULL);
+ gtk_internal_return_val_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider), NULL);
+ gtk_internal_return_val_if_fail (GTK_IS_CSS_COMPUTED_VALUES (values), NULL);
+ gtk_internal_return_val_if_fail (parent_values == NULL || GTK_IS_CSS_COMPUTED_VALUES (parent_values), NULL);
+
+ if (dependencies == NULL)
+ dependencies = &fallback;
+ *dependencies = 0;
+
+ return value->class->compute (value, property_id, provider, values, parent_values, dependencies);
+}
+
gboolean
_gtk_css_value_equal (const GtkCssValue *value1,
const GtkCssValue *value2)
{
- g_return_val_if_fail (value1 != NULL, FALSE);
- g_return_val_if_fail (value2 != NULL, FALSE);
+ gtk_internal_return_val_if_fail (value1 != NULL, FALSE);
+ gtk_internal_return_val_if_fail (value2 != NULL, FALSE);
+
+ if (value1 == value2)
+ return TRUE;
if (value1->class != value2->class)
return FALSE;
return value1->class->equal (value1, value2);
}
+gboolean
+_gtk_css_value_equal0 (const GtkCssValue *value1,
+ const GtkCssValue *value2)
+{
+ /* Inclues both values being NULL */
+ if (value1 == value2)
+ return TRUE;
+
+ if (value1 == NULL || value2 == NULL)
+ return FALSE;
+
+ return _gtk_css_value_equal (value1, value2);
+}
+
GtkCssValue *
_gtk_css_value_transition (GtkCssValue *start,
GtkCssValue *end,
+ guint property_id,
double progress)
{
- g_return_val_if_fail (start != NULL, FALSE);
- g_return_val_if_fail (end != NULL, FALSE);
+ gtk_internal_return_val_if_fail (start != NULL, FALSE);
+ gtk_internal_return_val_if_fail (end != NULL, FALSE);
if (start->class != end->class)
return NULL;
- return start->class->transition (start, end, progress);
+ return start->class->transition (start, end, property_id, progress);
}
char *
{
GString *string;
- g_return_val_if_fail (value != NULL, NULL);
+ gtk_internal_return_val_if_fail (value != NULL, NULL);
string = g_string_new (NULL);
_gtk_css_value_print (value, string);
return g_string_free (string, FALSE);
}
+/**
+ * _gtk_css_value_print:
+ * @value: the value to print
+ * @string: the string to print to
+ *
+ * Prints @value to the given @string in CSS format. The @value must be a
+ * valid specified value as parsed using the parse functions or as assigned
+ * via _gtk_style_property_assign().
+ **/
void
_gtk_css_value_print (const GtkCssValue *value,
GString *string)
{
- g_return_if_fail (value != NULL);
- g_return_if_fail (string != NULL);
+ gtk_internal_return_if_fail (value != NULL);
+ gtk_internal_return_if_fail (string != NULL);
value->class->print (value, string);
}
-GType
-_gtk_css_value_get_content_type (const GtkCssValue *value)
-{
- g_return_val_if_fail (value->class == >K_CSS_VALUE_DEFAULT, G_TYPE_NONE);
-
- return value->type;
-}
-
-gboolean
-_gtk_css_value_holds (const GtkCssValue *value, GType type)
-{
- g_return_val_if_fail (value->class == >K_CSS_VALUE_DEFAULT, FALSE);
-
- return g_type_is_a (value->type, type);
-}
-
-static void
-fill_gvalue (const GtkCssValue *value,
- GValue *g_value)
-{
- GType type;
-
- type = value->type;
-
- if (g_type_is_a (type, G_TYPE_OBJECT))
- g_value_set_object (g_value, value->u.ptr);
- else if (g_type_is_a (type, G_TYPE_BOXED))
- g_value_set_boxed (g_value, value->u.ptr);
- else if (g_type_is_a (type, G_TYPE_INT))
- g_value_set_int (g_value, value->u.gint);
- else if (g_type_is_a (type, G_TYPE_UINT))
- g_value_set_uint (g_value, value->u.guint);
- else if (g_type_is_a (type, G_TYPE_BOOLEAN))
- g_value_set_boolean (g_value, value->u.gint);
- else if (g_type_is_a (type, G_TYPE_ENUM))
- g_value_set_enum (g_value, value->u.gint);
- else if (g_type_is_a (type, G_TYPE_FLAGS))
- g_value_set_flags (g_value, value->u.guint);
- else if (g_type_is_a (type, G_TYPE_STRING))
- g_value_set_string (g_value, value->u.ptr);
- else if (g_type_is_a (type, G_TYPE_DOUBLE))
- g_value_set_double (g_value, value->u.dbl);
- else if (g_type_is_a (type, G_TYPE_FLOAT))
- g_value_set_float (g_value, value->u.flt);
- else
- g_value_copy (value->u.ptr, g_value);
-}
-
-void
-_gtk_css_value_init_gvalue (const GtkCssValue *value,
- GValue *g_value)
-{
- if (value != NULL)
- {
- g_return_if_fail (value->class == >K_CSS_VALUE_DEFAULT);
- g_value_init (g_value, value->type);
- fill_gvalue (value, g_value);
- }
-}
-
-GtkSymbolicColor *
-_gtk_css_value_get_symbolic_color (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_SYMBOLIC_COLOR), NULL);
- return value->u.ptr;
-}
-
-int
-_gtk_css_value_get_int (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_INT), 0);
- return value->u.gint;
-}
-
-int
-_gtk_css_value_get_enum (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_ENUM), 0);
- return value->u.gint;
-}
-
-gpointer
-_gtk_css_value_dup_object (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
- if (value->u.ptr)
- return g_object_ref (value->u.ptr);
- return NULL;
-}
-
-gpointer
-_gtk_css_value_get_object (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_OBJECT), NULL);
- return value->u.ptr;
-}
-
-gpointer
-_gtk_css_value_get_boxed (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_BOXED), NULL);
- return value->u.ptr;
-}
-
-const char **
-_gtk_css_value_get_strv (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, G_TYPE_STRV), NULL);
- return value->u.ptr;
-}
-
-GtkBorderStyle
-_gtk_css_value_get_border_style (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_BORDER_STYLE), 0);
- return value->u.gint;
-}
-
-const GtkCssBackgroundSize *
-_gtk_css_value_get_background_size (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BACKGROUND_SIZE), NULL);
- return value->u.ptr;
-}
-
-const GtkCssBackgroundPosition *
-_gtk_css_value_get_background_position (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BACKGROUND_POSITION), NULL);
- return value->u.ptr;
-}
-
-const GtkCssBorderImageRepeat *
-_gtk_css_value_get_border_image_repeat (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_CSS_BORDER_IMAGE_REPEAT), NULL);
- return value->u.ptr;
-}
-
-GtkGradient *
-_gtk_css_value_get_gradient (const GtkCssValue *value)
-{
- g_return_val_if_fail (_gtk_css_value_holds (value, GTK_TYPE_GRADIENT), NULL);
- return value->u.ptr;
-}
-
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