static void
gtk_css_computed_values_create_css_transitions (GtkCssComputedValues *values,
gint64 timestamp,
GtkCssComputedValues *source)
{
TransitionInfo transitions[GTK_CSS_PROPERTY_N_PROPERTIES] = { { 0, } };
GtkCssValue *durations, *delays, *timing_functions;
guint i;
transition_infos_set (transitions, _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_PROPERTY));
durations = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_DURATION);
delays = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_DELAY);
timing_functions = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_TRANSITION_TIMING_FUNCTION);
for (i = 0; i < GTK_CSS_PROPERTY_N_PROPERTIES; i++)
{
GtkStyleAnimation *animation;
GtkCssValue *start, *end;
double duration, delay;
if (!transitions[i].pending)
continue;
duration = _gtk_css_number_value_get (_gtk_css_array_value_get_nth (durations, transitions[i].index), 100);
delay = _gtk_css_number_value_get (_gtk_css_array_value_get_nth (delays, transitions[i].index), 100);
if (duration + delay == 0.0)
continue;
start = _gtk_css_computed_values_get_intrinsic_value (source, i);
end = _gtk_css_computed_values_get_intrinsic_value (values, i);
if (_gtk_css_value_equal (start, end))
{
animation = gtk_css_computed_values_find_transition (GTK_CSS_COMPUTED_VALUES (source), i);
if (animation)
values->animations = g_slist_prepend (values->animations, g_object_ref (animation));
}
else
{
animation = _gtk_css_transition_new (i,
_gtk_css_computed_values_get_value (source, i),
_gtk_css_array_value_get_nth (timing_functions, i),
timestamp + delay * G_USEC_PER_SEC,
timestamp + (delay + duration) * G_USEC_PER_SEC);
values->animations = g_slist_prepend (values->animations, animation);
}
}
}
static GtkCssImage *
gtk_css_image_icon_theme_compute (GtkCssImage *image,
guint property_id,
GtkStyleProviderPrivate *provider,
int scale,
GtkCssComputedValues *values,
GtkCssComputedValues *parent_values,
GtkCssDependencies *dependencies)
{
GtkCssImageIconTheme *icon_theme = GTK_CSS_IMAGE_ICON_THEME (image);
GtkCssImageIconTheme *copy;
GtkSettings *settings;
GdkScreen *screen;
settings = _gtk_style_provider_private_get_settings (provider);
if (settings == NULL)
screen = gdk_screen_get_default ();
else
screen = _gtk_settings_get_screen (settings);
copy = g_object_new (GTK_TYPE_CSS_IMAGE_ICON_THEME, NULL);
copy->name = g_strdup (icon_theme->name);
copy->icon_theme = gtk_icon_theme_get_for_screen (screen);
copy->scale = scale;
copy->color = *_gtk_css_rgba_value_get_rgba (_gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_COLOR));
*dependencies = GTK_CSS_DEPENDS_ON_COLOR;
return GTK_CSS_IMAGE (copy);
}
void
gtk_css_computed_values_print (GtkCssComputedValues *values,
GString *string)
{
guint i;
g_return_if_fail (GTK_IS_CSS_COMPUTED_VALUES (values));
g_return_if_fail (string != NULL);
for (i = 0; i < _gtk_css_style_property_get_n_properties (); i++)
{
GtkCssSection *section = _gtk_css_computed_values_get_section (values, i);
g_string_append (string, _gtk_style_property_get_name (GTK_STYLE_PROPERTY (_gtk_css_style_property_lookup_by_id (i))));
g_string_append (string, ": ");
_gtk_css_value_print (_gtk_css_computed_values_get_value (values, i), string);
g_string_append (string, ";");
if (section)
{
g_string_append (string, " /* ");
_gtk_css_section_print (section, string);
g_string_append (string, " */");
}
g_string_append (string, "\n");
}
}
cairo_pattern_t *
_gtk_gradient_resolve_full (GtkGradient *gradient,
GtkStyleProviderPrivate *provider,
GtkCssComputedValues *values,
GtkCssComputedValues *parent_values,
GtkCssDependencies *dependencies)
{
cairo_pattern_t *pattern;
guint i;
g_return_val_if_fail (gradient != NULL, NULL);
g_return_val_if_fail (GTK_IS_STYLE_PROVIDER (provider), NULL);
g_return_val_if_fail (GTK_IS_CSS_COMPUTED_VALUES (values), NULL);
g_return_val_if_fail (parent_values == NULL || GTK_IS_CSS_COMPUTED_VALUES (parent_values), NULL);
g_return_val_if_fail (*dependencies == 0, NULL);
if (gradient->radius0 == 0 && gradient->radius1 == 0)
pattern = cairo_pattern_create_linear (gradient->x0, gradient->y0,
gradient->x1, gradient->y1);
else
pattern = cairo_pattern_create_radial (gradient->x0, gradient->y0,
gradient->radius0,
gradient->x1, gradient->y1,
gradient->radius1);
for (i = 0; i < gradient->stops->len; i++)
{
ColorStop *stop;
GtkCssValue *val;
GdkRGBA rgba;
GtkCssDependencies stop_deps;
stop = &g_array_index (gradient->stops, ColorStop, i);
/* if color resolving fails, assume transparency */
val = _gtk_css_color_value_resolve (_gtk_symbolic_color_get_css_value (stop->color),
provider,
_gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_COLOR),
GTK_CSS_DEPENDS_ON_COLOR,
&stop_deps,
NULL);
if (val)
{
rgba = *_gtk_css_rgba_value_get_rgba (val);
*dependencies = _gtk_css_dependencies_union (*dependencies, stop_deps);
_gtk_css_value_unref (val);
}
else
{
rgba.red = rgba.green = rgba.blue = rgba.alpha = 0.0;
}
cairo_pattern_add_color_stop_rgba (pattern, stop->offset,
rgba.red, rgba.green,
rgba.blue, rgba.alpha);
}
return pattern;
}
static double
get_base_font_size (guint property_id,
GtkStyleProviderPrivate *provider,
GtkCssComputedValues *values,
GtkCssComputedValues *parent_values,
GtkCssDependencies *dependencies)
{
if (property_id == GTK_CSS_PROPERTY_FONT_SIZE)
{
*dependencies = GTK_CSS_DEPENDS_ON_PARENT;
if (parent_values)
return _gtk_css_number_value_get (_gtk_css_computed_values_get_value (parent_values, GTK_CSS_PROPERTY_FONT_SIZE), 100);
else
return _gtk_css_font_size_get_default (provider);
}
*dependencies = GTK_CSS_DEPENDS_ON_FONT_SIZE;
return _gtk_css_number_value_get (_gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_FONT_SIZE), 100);
}
static GtkCssValue *
gtk_css_value_inherit_compute (GtkCssValue *value,
guint property_id,
GtkStyleProviderPrivate *provider,
GtkCssComputedValues *values,
GtkCssComputedValues *parent_values,
GtkCssDependencies *dependencies)
{
if (parent_values)
{
*dependencies = GTK_CSS_EQUALS_PARENT;
return _gtk_css_value_ref (_gtk_css_computed_values_get_value (parent_values, property_id));
}
else
{
return _gtk_css_value_compute (_gtk_css_initial_value_get (),
property_id,
provider,
values,
parent_values,
dependencies);
}
}
static void
gtk_css_computed_values_create_css_animations (GtkCssComputedValues *values,
GtkCssComputedValues *parent_values,
gint64 timestamp,
GtkStyleProviderPrivate *provider,
GtkCssComputedValues *source)
{
GtkCssValue *durations, *delays, *timing_functions, *animations;
GtkCssValue *iteration_counts, *directions, *play_states, *fill_modes;
guint i;
animations = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_NAME);
durations = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_DURATION);
delays = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_DELAY);
timing_functions = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_TIMING_FUNCTION);
iteration_counts = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_ITERATION_COUNT);
directions = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_DIRECTION);
play_states = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_PLAY_STATE);
fill_modes = _gtk_css_computed_values_get_value (values, GTK_CSS_PROPERTY_ANIMATION_FILL_MODE);
for (i = 0; i < _gtk_css_array_value_get_n_values (animations); i++)
{
GtkStyleAnimation *animation;
GtkCssKeyframes *keyframes;
const char *name;
name = _gtk_css_ident_value_get (_gtk_css_array_value_get_nth (animations, i));
if (g_ascii_strcasecmp (name, "none") == 0)
continue;
animation = gtk_css_computed_values_find_animation (values, name);
if (animation)
continue;
if (source)
animation = gtk_css_computed_values_find_animation (source, name);
if (animation)
{
animation = _gtk_css_animation_copy (GTK_CSS_ANIMATION (animation),
timestamp,
_gtk_css_play_state_value_get (_gtk_css_array_value_get_nth (play_states, i)));
}
else
{
keyframes = _gtk_style_provider_private_get_keyframes (provider, name);
if (keyframes == NULL)
continue;
keyframes = _gtk_css_keyframes_compute (keyframes, provider, values, parent_values);
animation = _gtk_css_animation_new (name,
keyframes,
timestamp,
_gtk_css_number_value_get (_gtk_css_array_value_get_nth (delays, i), 100) * G_USEC_PER_SEC,
_gtk_css_number_value_get (_gtk_css_array_value_get_nth (durations, i), 100) * G_USEC_PER_SEC,
_gtk_css_array_value_get_nth (timing_functions, i),
_gtk_css_direction_value_get (_gtk_css_array_value_get_nth (directions, i)),
_gtk_css_play_state_value_get (_gtk_css_array_value_get_nth (play_states, i)),
_gtk_css_fill_mode_value_get (_gtk_css_array_value_get_nth (fill_modes, i)),
_gtk_css_number_value_get (_gtk_css_array_value_get_nth (iteration_counts, i), 100));
_gtk_css_keyframes_unref (keyframes);
}
values->animations = g_slist_prepend (values->animations, animation);
}
}
