static void _xfdashboard_actor_stylable_set_pseudo_classes(XfdashboardStylable *inStylable, const gchar *inStylePseudoClasses)
{
XfdashboardActor *self;
XfdashboardActorPrivate *priv;
g_return_if_fail(XFDASHBOARD_IS_ACTOR(inStylable));
self=XFDASHBOARD_ACTOR(inStylable);
priv=self->priv;
/* Set value if changed */
if(g_strcmp0(priv->stylePseudoClasses, inStylePseudoClasses))
{
/* Set value */
if(priv->stylePseudoClasses)
{
g_free(priv->stylePseudoClasses);
priv->stylePseudoClasses=NULL;
}
if(inStylePseudoClasses) priv->stylePseudoClasses=g_strdup(inStylePseudoClasses);
/* Invalidate style to get it restyled and redrawn. Also invalidate
* children as they might reference the old, invalid pseudo-classes
* or the new, valid ones.
*/
_xfdashboard_actor_invalidate_recursive(CLUTTER_ACTOR(self));
/* Notify about property change */
g_object_notify(G_OBJECT(self), "style-pseudo-classes");
}
}
static void _xfdashboard_actor_get_property(GObject *inObject,
guint inPropID,
GValue *outValue,
GParamSpec *inSpec)
{
XfdashboardActor *self=XFDASHBOARD_ACTOR(inObject);
XfdashboardActorPrivate *priv=self->priv;
switch(inPropID)
{
case PROP_CAN_FOCUS:
g_value_set_boolean(outValue, priv->canFocus);
break;
case PROP_EFFECTS:
g_value_set_string(outValue, priv->effects);
break;
case PROP_STYLE_CLASSES:
g_value_set_string(outValue, priv->styleClasses);
break;
case PROP_STYLE_PSEUDO_CLASSES:
g_value_set_string(outValue, priv->stylePseudoClasses);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(inObject, inPropID, inSpec);
break;
}
}
/* Set/get properties */
static void _xfdashboard_actor_set_property(GObject *inObject,
guint inPropID,
const GValue *inValue,
GParamSpec *inSpec)
{
XfdashboardActor *self=XFDASHBOARD_ACTOR(inObject);
switch(inPropID)
{
case PROP_CAN_FOCUS:
xfdashboard_actor_set_can_focus(self, g_value_get_boolean(inValue));
break;
case PROP_EFFECTS:
xfdashboard_actor_set_effects(self, g_value_get_string(inValue));
break;
case PROP_STYLE_CLASSES:
_xfdashboard_actor_stylable_set_classes(XFDASHBOARD_STYLABLE(self),
g_value_get_string(inValue));
break;
case PROP_STYLE_PSEUDO_CLASSES:
_xfdashboard_actor_stylable_set_pseudo_classes(XFDASHBOARD_STYLABLE(self),
g_value_get_string(inValue));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(inObject, inPropID, inSpec);
break;
}
}
/* Actor's reactive state changed */
static void _xfdashboard_actor_on_reactive_changed(GObject *inObject,
GParamSpec *inSpec,
gpointer inUserData)
{
XfdashboardActor *self;
g_return_if_fail(XFDASHBOARD_IS_ACTOR(inObject));
self=XFDASHBOARD_ACTOR(inObject);
/* Add pseudo-class ':insensitive' if actor is now not reactive
* and remove this pseudo-class if actor is now reactive.
*/
if(clutter_actor_get_reactive(CLUTTER_ACTOR(self)))
{
xfdashboard_stylable_remove_pseudo_class(XFDASHBOARD_STYLABLE(self), "insensitive");
}
else
{
xfdashboard_stylable_add_pseudo_class(XFDASHBOARD_STYLABLE(self), "insensitive");
}
/* Invalide styling to get it recomputed */
_xfdashboard_actor_invalidate_recursive(CLUTTER_ACTOR(self));
}
/* Dispose this object */
static void _xfdashboard_actor_dispose(GObject *inObject)
{
XfdashboardActor *self=XFDASHBOARD_ACTOR(inObject);
XfdashboardActorPrivate *priv=self->priv;
/* Release allocated variables */
if(priv->effects)
{
g_free(priv->effects);
priv->effects=NULL;
}
if(priv->styleClasses)
{
g_free(priv->styleClasses);
priv->styleClasses=NULL;
}
if(priv->stylePseudoClasses)
{
g_free(priv->stylePseudoClasses);
priv->stylePseudoClasses=NULL;
}
if(priv->lastThemeStyleSet)
{
g_hash_table_destroy(priv->lastThemeStyleSet);
priv->lastThemeStyleSet=NULL;
}
/* Call parent's class dispose method */
G_OBJECT_CLASS(xfdashboard_actor_parent_class)->dispose(inObject);
}
/* Get/set style pseudo-classes of actor */
static const gchar* _xfdashboard_actor_stylable_get_pseudo_classes(XfdashboardStylable *inStylable)
{
XfdashboardActor *self;
g_return_val_if_fail(XFDASHBOARD_IS_ACTOR(inStylable), NULL);
self=XFDASHBOARD_ACTOR(inStylable);
return(self->priv->stylePseudoClasses);
}
/* Unset focus from actor */
static void _xfdashboard_actor_focusable_unset_focus(XfdashboardFocusable *self)
{
XfdashboardActor *actor;
g_return_if_fail(XFDASHBOARD_IS_FOCUSABLE(self));
g_return_if_fail(XFDASHBOARD_IS_ACTOR(self));
actor=XFDASHBOARD_ACTOR(self);
/* Set focus and style for focus */
xfdashboard_stylable_remove_class(XFDASHBOARD_STYLABLE(actor), "focus");
}
/* Actor was mapped or unmapped */
static void _xfdashboard_actor_on_mapped_changed(GObject *inObject,
GParamSpec *inSpec,
gpointer inUserData)
{
XfdashboardActor *self;
g_return_if_fail(XFDASHBOARD_IS_ACTOR(inObject));
self=XFDASHBOARD_ACTOR(inObject);
/* Invalide styling to get it recomputed */
xfdashboard_stylable_invalidate(XFDASHBOARD_STYLABLE(self));
}
/* Actor was (re)named */
static void _xfdashboard_actor_on_name_changed(GObject *inObject,
GParamSpec *inSpec,
gpointer inUserData)
{
XfdashboardActor *self;
g_return_if_fail(XFDASHBOARD_IS_ACTOR(inObject));
self=XFDASHBOARD_ACTOR(inObject);
/* Invalide styling to get it recomputed because its ID (from point
* of view of css) has changed. Also invalidate children as they
* might reference the old, invalid ID or the new, valid one.
*/
_xfdashboard_actor_invalidate_recursive(CLUTTER_ACTOR(self));
}
/* Object initialization
* Create private structure and set up default values
*/
static void xfdashboard_view_init(XfdashboardView *self)
{
XfdashboardViewPrivate *priv;
priv=self->priv=XFDASHBOARD_VIEW_GET_PRIVATE(self);
/* Set up default values */
priv->viewName=NULL;
priv->viewIcon=NULL;
priv->viewIconImage=NULL;
priv->fitMode=XFDASHBOARD_FIT_MODE_NONE;
priv->isEnabled=TRUE;
/* Set up actor */
clutter_actor_set_reactive(CLUTTER_ACTOR(self), TRUE);
xfdashboard_actor_invalidate(XFDASHBOARD_ACTOR(self));
}
/* Actor was (re)parented */
static void _xfdashboard_actor_parent_set(ClutterActor *inActor, ClutterActor *inOldParent)
{
XfdashboardActor *self;
XfdashboardActorPrivate *priv;
ClutterActorClass *parentClass;
g_return_if_fail(XFDASHBOARD_IS_ACTOR(inActor));
self=XFDASHBOARD_ACTOR(inActor);
priv=self->priv;
/* Call parent's virtual function */
parentClass=CLUTTER_ACTOR_CLASS(xfdashboard_actor_parent_class);
if(parentClass->parent_set)
{
parentClass->parent_set(inActor, inOldParent);
}
/* Check if it is a newly created actor which is parented for the first time.
* Then emit 'actor-created' signal on stage.
*/
if(priv->isFirstParent &&
!inOldParent &&
clutter_actor_get_parent(inActor))
{
ClutterActor *stage;
/* Get stage where this actor belongs to and emit signal at stage */
stage=clutter_actor_get_stage(inActor);
if(XFDASHBOARD_IS_STAGE(stage))
{
g_signal_emit_by_name(stage, "actor-created", inActor, NULL);
}
/* Set flag that a parent set and signal was emitted */
priv->isFirstParent=FALSE;
}
/* Invalide styling to get it recomputed because its ID (from point
* of view of css) has changed. Also invalidate children as they might
* reference the old, invalid parent or the new, valid one.
*/
_xfdashboard_actor_invalidate_recursive(CLUTTER_ACTOR(self));
}
/* Actor is hidden */
static void _xfdashboard_actor_hide(ClutterActor *inActor)
{
XfdashboardActor *self;
ClutterActorClass *parentClass;
g_return_if_fail(XFDASHBOARD_IS_ACTOR(inActor));
self=XFDASHBOARD_ACTOR(inActor);
/* Call parent's virtual function */
parentClass=CLUTTER_ACTOR_CLASS(xfdashboard_actor_parent_class);
if(parentClass->hide)
{
parentClass->hide(inActor);
}
/* Actor is hidden now so remove pseudo-class ":hover" because pointer cannot
* be in an actor hidden.
*/
xfdashboard_stylable_remove_pseudo_class(XFDASHBOARD_STYLABLE(self), "hover");
}
/* Pointer entered actor */
static gboolean _xfdashboard_actor_enter_event(ClutterActor *inActor, ClutterCrossingEvent *inEvent)
{
XfdashboardActor *self;
ClutterActorClass *parentClass;
g_return_val_if_fail(XFDASHBOARD_IS_ACTOR(inActor), CLUTTER_EVENT_PROPAGATE);
self=XFDASHBOARD_ACTOR(inActor);
/* Call parent's virtual function */
parentClass=CLUTTER_ACTOR_CLASS(xfdashboard_actor_parent_class);
if(parentClass->enter_event)
{
parentClass->enter_event(inActor, inEvent);
}
/* Add pseudo-class ":hover" because pointer entered actor */
xfdashboard_stylable_add_pseudo_class(XFDASHBOARD_STYLABLE(self), "hover");
return(CLUTTER_EVENT_PROPAGATE);
}
/* Actor was (re)parented */
static void _xfdashboard_actor_parent_set(ClutterActor *inActor, ClutterActor *inOldParent)
{
XfdashboardActor *self;
ClutterActorClass *parentClass;
g_return_if_fail(XFDASHBOARD_IS_ACTOR(inActor));
self=XFDASHBOARD_ACTOR(inActor);
/* Call parent's virtual function */
parentClass=CLUTTER_ACTOR_CLASS(xfdashboard_actor_parent_class);
if(parentClass->parent_set)
{
parentClass->parent_set(inActor, inOldParent);
}
/* Invalide styling to get it recomputed because its ID (from point
* of view of css) has changed. Also invalidate children as they might
* reference the old, invalid parent or the new, valid one.
*/
_xfdashboard_actor_invalidate_recursive(CLUTTER_ACTOR(self));
}
/* Check if actor can get focus */
static gboolean _xfdashboard_actor_focusable_can_focus(XfdashboardFocusable *inFocusable)
{
XfdashboardActor *self;
XfdashboardActorPrivate *priv;
g_return_val_if_fail(XFDASHBOARD_IS_FOCUSABLE(inFocusable), FALSE);
g_return_val_if_fail(XFDASHBOARD_IS_ACTOR(inFocusable), FALSE);
self=XFDASHBOARD_ACTOR(inFocusable);
priv=self->priv;
/* This actor can only be focused if it is mapped, visible and reactive */
if(priv->canFocus &&
clutter_actor_is_mapped(CLUTTER_ACTOR(self)) &&
clutter_actor_is_visible(CLUTTER_ACTOR(self)) &&
clutter_actor_get_reactive(CLUTTER_ACTOR(self)))
{
return(TRUE);
}
/* If we get here this actor does not fulfill the requirements to get focus */
return(FALSE);
}
/* Actor is shown */
static void _xfdashboard_actor_show(ClutterActor *inActor)
{
XfdashboardActor *self;
ClutterActorClass *parentClass;
g_return_if_fail(XFDASHBOARD_IS_ACTOR(inActor));
self=XFDASHBOARD_ACTOR(inActor);
/* Call parent's virtual function */
parentClass=CLUTTER_ACTOR_CLASS(xfdashboard_actor_parent_class);
if(parentClass->show)
{
parentClass->show(inActor);
}
/* If actor is visible now check if pointer is inside this actor
* then add pseudo-class ":hover" to it
*/
if(clutter_actor_has_pointer(inActor))
{
xfdashboard_stylable_add_pseudo_class(XFDASHBOARD_STYLABLE(self), "hover");
}
}
/* Invalidate style to recompute styles */
static void _xfdashboard_actor_stylable_invalidate(XfdashboardStylable *inStylable)
{
XfdashboardActor *self;
XfdashboardActorPrivate *priv;
XfdashboardActorClass *klass;
XfdashboardTheme *theme;
XfdashboardThemeCSS *themeCSS;
GHashTable *possibleStyleSet;
GParamSpec *paramSpec;
GHashTableIter hashIter;
GHashTable *themeStyleSet;
gchar *styleName;
XfdashboardThemeCSSValue *styleValue;
gboolean didChange;
#ifdef DEBUG
gboolean doDebug=FALSE;
#endif
g_return_if_fail(XFDASHBOARD_IS_ACTOR(inStylable));
self=XFDASHBOARD_ACTOR(inStylable);
priv=self->priv;
klass=XFDASHBOARD_ACTOR_GET_CLASS(self);
didChange=FALSE;
/* Only recompute style for mapped actors or if revalidation was forced */
if(!priv->forceStyleRevalidation && !clutter_actor_is_mapped(CLUTTER_ACTOR(self))) return;
/* Get theme CSS */
theme=xfdashboard_application_get_theme(NULL);
themeCSS=xfdashboard_theme_get_css(theme);
/* First get list of all stylable properties of this and parent classes.
* It is used to determine if key in theme style sets are valid.
*/
possibleStyleSet=xfdashboard_actor_get_stylable_properties_full(klass);
#ifdef DEBUG
if(doDebug)
{
gint i=0;
gchar *defaultsKey;
GValue defaultsVal=G_VALUE_INIT;
gchar *defaultsValStr;
GParamSpec *realParamSpec;
XFDASHBOARD_DEBUG(self, STYLE,
"Got param specs for %p (%s) with class '%s' and pseudo-class '%s'",
self,
G_OBJECT_TYPE_NAME(self),
priv->styleClasses,
priv->stylePseudoClasses);
g_hash_table_iter_init(&hashIter, possibleStyleSet);
while(g_hash_table_iter_next(&hashIter, (gpointer*)&defaultsKey, (gpointer*)¶mSpec))
{
realParamSpec=(GParamSpec*)g_param_spec_get_qdata(paramSpec, XFDASHBOARD_ACTOR_PARAM_SPEC_REF);
g_value_init(&defaultsVal, G_PARAM_SPEC_VALUE_TYPE(realParamSpec));
g_param_value_set_default(realParamSpec, &defaultsVal);
defaultsValStr=g_strdup_value_contents(&defaultsVal);
XFDASHBOARD_DEBUG(self, STYLE,
"%d: param spec [%s] %s=%s\n",
++i,
G_OBJECT_CLASS_NAME(klass),
defaultsKey,
defaultsValStr);
g_free(defaultsValStr);
g_value_unset(&defaultsVal);
}
XFDASHBOARD_DEBUG(self, STYLE, "End of param specs");
}
#endif
/* Get style information from theme */
themeStyleSet=xfdashboard_theme_css_get_properties(themeCSS, XFDASHBOARD_STYLABLE(self));
#ifdef DEBUG
if(doDebug)
{
gint i=0;
XFDASHBOARD_DEBUG(self, STYLE,
"Got styles from theme for %p (%s) with class '%s' and pseudo-class '%s'",
self,
G_OBJECT_TYPE_NAME(self),
priv->styleClasses,
priv->stylePseudoClasses);
g_hash_table_iter_init(&hashIter, themeStyleSet);
while(g_hash_table_iter_next(&hashIter, (gpointer*)&styleName, (gpointer*)&styleValue))
{
XFDASHBOARD_DEBUG(self, STYLE,
"%d: [%s] %s=%s\n",
++i,
styleValue->source,
(gchar*)styleName,
styleValue->string);
}
XFDASHBOARD_DEBUG(self, STYLE, "End of styles from theme");
}
#endif
/* The 'property-changed' notification will be freezed and thawed
* (fired at once) after all stylable properties of this instance are set.
*/
g_object_freeze_notify(G_OBJECT(self));
/* Iterate through style information retrieved from theme and
* set the corresponding property in object instance if key
* is valid.
*/
g_hash_table_iter_init(&hashIter, themeStyleSet);
while(g_hash_table_iter_next(&hashIter, (gpointer*)&styleName, (gpointer*)&styleValue))
{
GValue cssValue=G_VALUE_INIT;
GValue propertyValue=G_VALUE_INIT;
GParamSpec *realParamSpec;
/* Check if key is a valid object property name */
if(!g_hash_table_lookup_extended(possibleStyleSet, styleName, NULL, (gpointer*)¶mSpec)) continue;
/* Get original referenced parameter specification. It does not need
* to be referenced while converting because it is valid as this
* value is stored in hashtable.
*/
realParamSpec=(GParamSpec*)g_param_spec_get_qdata(paramSpec, XFDASHBOARD_ACTOR_PARAM_SPEC_REF);
/* Convert style value to type of object property and set value
* if conversion was successful. Otherwise do nothing.
*/
g_value_init(&cssValue, G_TYPE_STRING);
g_value_set_string(&cssValue, styleValue->string);
g_value_init(&propertyValue, G_PARAM_SPEC_VALUE_TYPE(realParamSpec));
if(g_param_value_convert(realParamSpec, &cssValue, &propertyValue, FALSE))
{
g_object_set_property(G_OBJECT(self), styleName, &propertyValue);
didChange=TRUE;
#ifdef DEBUG
if(doDebug)
{
gchar *valstr;
valstr=g_strdup_value_contents(&propertyValue);
XFDASHBOARD_DEBUG(self, STYLE,
"Setting theme value of style property [%s] %s=%s\n",
G_OBJECT_CLASS_NAME(klass),
styleName,
valstr);
g_free(valstr);
}
#endif
}
else
{
g_warning(_("Could not transform CSS string value for property '%s' to type %s of class %s"),
styleName, g_type_name(G_PARAM_SPEC_VALUE_TYPE(realParamSpec)), G_OBJECT_CLASS_NAME(klass));
}
/* Release allocated resources */
g_value_unset(&propertyValue);
g_value_unset(&cssValue);
}
/* Now remove all duplicate keys in set of properties changed we set the last
* time. The remaining keys determine the properties which were set the last
* time but not this time and should be restored to their default values.
*/
if(priv->lastThemeStyleSet)
{
/* Remove duplicate keys from set of last changed properties */
g_hash_table_foreach_remove(priv->lastThemeStyleSet, (GHRFunc)_xfdashboard_actor_hashtable_is_duplicate_key, themeStyleSet);
/* Iterate through remaining key and restore corresponding object properties
* to their default values.
*/
g_hash_table_iter_init(&hashIter, priv->lastThemeStyleSet);
while(g_hash_table_iter_next(&hashIter, (gpointer*)&styleName, (gpointer*)¶mSpec))
{
GValue propertyValue=G_VALUE_INIT;
GParamSpec *realParamSpec;
/* Check if key is a valid object property name */
if(!g_hash_table_lookup_extended(possibleStyleSet, styleName, NULL, (gpointer*)¶mSpec)) continue;
/* Get original referenced parameter specification. It does not need
* to be referenced while converting because it is valid as this
* value is stored in hashtable.
*/
realParamSpec=(GParamSpec*)g_param_spec_get_qdata(paramSpec, XFDASHBOARD_ACTOR_PARAM_SPEC_REF);
/* Initialize property value to its type and default value */
g_value_init(&propertyValue, G_PARAM_SPEC_VALUE_TYPE(realParamSpec));
g_param_value_set_default(realParamSpec, &propertyValue);
/* Set value at object property */
g_object_set_property(G_OBJECT(self), styleName, &propertyValue);
didChange=TRUE;
#ifdef DEBUG
if(doDebug)
{
gchar *valstr;
valstr=g_strdup_value_contents(&propertyValue);
XFDASHBOARD_DEBUG(self, STYLE,
"Restoring default value of style property [%s] %s=%s\n",
G_OBJECT_CLASS_NAME(klass),
styleName,
valstr);
g_free(valstr);
}
#endif
/* Release allocated resources */
g_value_unset(&propertyValue);
}
/* Release resources of set of last changed properties as we do not need
* it anymore.
*/
g_hash_table_destroy(priv->lastThemeStyleSet);
priv->lastThemeStyleSet=NULL;
}
/* Remember this set of changed properties for next time to determine properties
* which need to be restored to their default value.
*/
priv->lastThemeStyleSet=themeStyleSet;
/* Release allocated resources */
g_hash_table_destroy(possibleStyleSet);
/* Force a redraw if any change was made at this actor */
if(didChange) clutter_actor_queue_redraw(CLUTTER_ACTOR(self));
/* Reset force style revalidation flag because it's done now */
priv->forceStyleRevalidation=FALSE;
/* All stylable properties are set now. So thaw 'property-changed'
* notification now and fire all notifications at once.
*/
g_object_thaw_notify(G_OBJECT(self));
}
