static void
st_scroll_view_fade_set_actor (ClutterActorMeta *meta,
ClutterActor *actor)
{
StScrollViewFade *self = ST_SCROLL_VIEW_FADE (meta);
ClutterActorMetaClass *parent;
g_return_if_fail (actor == NULL || ST_IS_SCROLL_VIEW (actor));
if (self->shader == COGL_INVALID_HANDLE)
{
clutter_actor_meta_set_enabled (meta, FALSE);
return;
}
if (self->vadjustment)
{
g_signal_handlers_disconnect_by_func (self->vadjustment,
(gpointer)on_vadjustment_changed,
self);
self->vadjustment = NULL;
}
if (actor)
{
StScrollView *scroll_view = ST_SCROLL_VIEW (actor);
StScrollBar *vscroll = ST_SCROLL_BAR (st_scroll_view_get_vscroll_bar (scroll_view));
self->vadjustment = ST_ADJUSTMENT (st_scroll_bar_get_adjustment (vscroll));
g_signal_connect (self->vadjustment, "changed",
G_CALLBACK (on_vadjustment_changed),
self);
on_vadjustment_changed (self->vadjustment, CLUTTER_EFFECT (self));
}
parent = CLUTTER_ACTOR_META_CLASS (st_scroll_view_fade_parent_class);
parent->set_actor (meta, actor);
/* we keep a back pointer here, to avoid going through the ActorMeta */
self->actor = clutter_actor_meta_get_actor (meta);
}
static void
clutter_click_action_set_actor (ClutterActorMeta *meta,
ClutterActor *actor)
{
ClutterClickAction *action = CLUTTER_CLICK_ACTION (meta);
ClutterClickActionPrivate *priv = action->priv;
if (priv->event_id != 0)
{
ClutterActor *old_actor = clutter_actor_meta_get_actor (meta);
if (old_actor != NULL)
g_signal_handler_disconnect (old_actor, priv->event_id);
priv->event_id = 0;
}
if (priv->capture_id != 0)
{
if (priv->stage != NULL)
g_signal_handler_disconnect (priv->stage, priv->capture_id);
priv->capture_id = 0;
priv->stage = NULL;
}
if (priv->long_press_id != 0)
{
g_source_remove (priv->long_press_id);
priv->long_press_id = 0;
}
click_action_set_pressed (action, FALSE);
click_action_set_held (action, FALSE);
if (actor != NULL)
priv->event_id = g_signal_connect (actor, "event",
G_CALLBACK (on_event),
action);
CLUTTER_ACTOR_META_CLASS (clutter_click_action_parent_class)->set_actor (meta, actor);
}
static void
clutter_shader_effect_class_init (ClutterShaderEffectClass *klass)
{
ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterOffscreenEffectClass *offscreen_class;
offscreen_class = CLUTTER_OFFSCREEN_EFFECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (ClutterShaderEffectPrivate));
/**
* ClutterShaderEffect:shader-type:
*
* The type of shader that is used by the effect. This property
* should be set by the constructor of #ClutterShaderEffect
* sub-classes.
*
* Since: 1.4
*/
obj_props[PROP_SHADER_TYPE] =
g_param_spec_enum ("shader-type",
P_("Shader Type"),
P_("The type of shader used"),
CLUTTER_TYPE_SHADER_TYPE,
CLUTTER_FRAGMENT_SHADER,
CLUTTER_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY);
gobject_class->set_property = clutter_shader_effect_set_property;
gobject_class->finalize = clutter_shader_effect_finalize;
_clutter_object_class_install_properties (gobject_class,
PROP_LAST,
obj_props);
meta_class->set_actor = clutter_shader_effect_set_actor;
offscreen_class->paint_target = clutter_shader_effect_paint_target;
}
static void
clutter_gesture_action_set_actor (ClutterActorMeta *meta,
ClutterActor *actor)
{
ClutterGestureActionPrivate *priv = CLUTTER_GESTURE_ACTION (meta)->priv;
ClutterActorMetaClass *meta_class =
CLUTTER_ACTOR_META_CLASS (clutter_gesture_action_parent_class);
if (priv->actor_capture_id != 0)
{
ClutterActor *old_actor = clutter_actor_meta_get_actor (meta);
if (old_actor != NULL)
g_signal_handler_disconnect (old_actor, priv->actor_capture_id);
priv->actor_capture_id = 0;
}
if (priv->stage_capture_id != 0)
{
if (priv->stage != NULL)
g_signal_handler_disconnect (priv->stage, priv->stage_capture_id);
priv->stage_capture_id = 0;
priv->stage = NULL;
}
if (actor != NULL)
{
priv->actor_capture_id =
g_signal_connect (actor, "captured-event",
G_CALLBACK (actor_captured_event_cb),
meta);
}
meta_class->set_actor (meta, actor);
}
/* Class initialization
* Override functions in parent classes and define properties
* and signals
*/
static void xfdashboard_tooltip_action_class_init(XfdashboardTooltipActionClass *klass)
{
GObjectClass *gobjectClass=G_OBJECT_CLASS(klass);
ClutterActorMetaClass *actorMetaClass=CLUTTER_ACTOR_META_CLASS(klass);
/* Override functions */
actorMetaClass->set_actor=_xfdashboard_tooltip_action_set_actor;
gobjectClass->dispose=_xfdashboard_tooltip_action_dispose;
gobjectClass->set_property=_xfdashboard_tooltip_action_set_property;
gobjectClass->get_property=_xfdashboard_tooltip_action_get_property;
/* Set up private structure */
g_type_class_add_private(klass, sizeof (XfdashboardTooltipActionPrivate));
/* Define properties */
XfdashboardTooltipActionProperties[PROP_TOOLTIP_TEXT]=
g_param_spec_string("tooltip-text",
_("Tooltip text"),
_("The text to display in a tooltip"),
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties(gobjectClass, PROP_LAST, XfdashboardTooltipActionProperties);
/* Define signals */
XfdashboardTooltipActionSignals[SIGNAL_ACTIVATING]=
g_signal_new("activating",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_HOOKS,
G_STRUCT_OFFSET(XfdashboardTooltipActionClass, activating),
NULL,
NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
}
static void
st_scroll_view_fade_class_init (StScrollViewFadeClass *klass)
{
ClutterEffectClass *effect_class = CLUTTER_EFFECT_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterOffscreenEffectClass *offscreen_class;
ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS (klass);
gobject_class->dispose = st_scroll_view_fade_dispose;
gobject_class->get_property = st_scroll_view_fade_get_property;
gobject_class->set_property = st_scroll_view_fade_set_property;
meta_class->set_actor = st_scroll_view_fade_set_actor;
effect_class->pre_paint = st_scroll_view_fade_pre_paint;
offscreen_class = CLUTTER_OFFSCREEN_EFFECT_CLASS (klass);
offscreen_class->create_texture = st_scroll_view_fade_create_texture;
offscreen_class->paint_target = st_scroll_view_fade_paint_target;
g_object_class_install_property (gobject_class,
PROP_VFADE_OFFSET,
g_param_spec_float ("vfade-offset",
"Vertical Fade Offset",
"The height of the area which is faded at the edge",
0.f, G_MAXFLOAT, DEFAULT_FADE_OFFSET,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_HFADE_OFFSET,
g_param_spec_float ("hfade-offset",
"Horizontal Fade Offset",
"The width of the area which is faded at the edge",
0.f, G_MAXFLOAT, DEFAULT_FADE_OFFSET,
G_PARAM_READWRITE));
}
static void
clutter_click_action_class_init (ClutterClickActionClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS (klass);
meta_class->set_actor = clutter_click_action_set_actor;
gobject_class->dispose = clutter_click_action_dispose;
gobject_class->set_property = clutter_click_action_set_property;
gobject_class->get_property = clutter_click_action_get_property;
/**
* ClutterClickAction:pressed:
*
* Whether the clickable actor should be in "pressed" state
*
* Since: 1.4
*/
obj_props[PROP_PRESSED] =
g_param_spec_boolean ("pressed",
P_("Pressed"),
P_("Whether the clickable should be in pressed state"),
FALSE,
CLUTTER_PARAM_READABLE);
/**
* ClutterClickAction:held:
*
* Whether the clickable actor has the pointer grabbed
*
* Since: 1.4
*/
obj_props[PROP_HELD] =
g_param_spec_boolean ("held",
P_("Held"),
P_("Whether the clickable has a grab"),
FALSE,
CLUTTER_PARAM_READABLE);
/**
* ClutterClickAction:long-press-duration:
*
* The minimum duration of a press for it to be recognized as a long
* press gesture, in milliseconds.
*
* A value of -1 will make the #ClutterClickAction use the value of
* the #ClutterSettings:long-press-duration property.
*
* Since: 1.8
*/
obj_props[PROP_LONG_PRESS_DURATION] =
g_param_spec_int ("long-press-duration",
P_("Long Press Duration"),
P_("The minimum duration of a long press to recognize the gesture"),
-1, G_MAXINT,
-1,
CLUTTER_PARAM_READWRITE);
/**
* ClutterClickAction:long-press-threshold:
*
* The maximum allowed distance that can be covered (on both axes) before
* a long press gesture is cancelled, in pixels.
*
* A value of -1 will make the #ClutterClickAction use the value of
* the #ClutterSettings:dnd-drag-threshold property.
*
* Since: 1.8
*/
obj_props[PROP_LONG_PRESS_THRESHOLD] =
g_param_spec_int ("long-press-threshold",
P_("Long Press Threshold"),
P_("The maximum threshold before a long press is cancelled"),
-1, G_MAXINT,
-1,
CLUTTER_PARAM_READWRITE);
g_object_class_install_properties (gobject_class,
PROP_LAST,
obj_props);
/**
* ClutterClickAction::clicked:
* @action: the #ClutterClickAction that emitted the signal
* @actor: the #ClutterActor attached to the @action
*
* The ::clicked signal is emitted when the #ClutterActor to which
* a #ClutterClickAction has been applied should respond to a
* pointer button press and release events
*
* Since: 1.4
*/
click_signals[CLICKED] =
g_signal_new (I_("clicked"),
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterClickActionClass, clicked),
NULL, NULL,
_clutter_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
CLUTTER_TYPE_ACTOR);
/**
* ClutterClickAction::long-press:
* @action: the #ClutterClickAction that emitted the signal
* @actor: the #ClutterActor attached to the @action
* @state: the long press state
*
* The ::long-press signal is emitted during the long press gesture
* handling.
*
* This signal can be emitted multiple times with different states.
*
* The %CLUTTER_LONG_PRESS_QUERY state will be emitted on button presses,
* and its return value will determine whether the long press handling
* should be initiated. If the signal handlers will return %TRUE, the
* %CLUTTER_LONG_PRESS_QUERY state will be followed either by a signal
* emission with the %CLUTTER_LONG_PRESS_ACTIVATE state if the long press
* constraints were respected, or by a signal emission with the
* %CLUTTER_LONG_PRESS_CANCEL state if the long press was cancelled.
*
* It is possible to forcibly cancel a long press detection using
* clutter_click_action_release().
*
* Return value: Only the %CLUTTER_LONG_PRESS_QUERY state uses the
* returned value of the handler; other states will ignore it
*
* Since: 1.8
*/
click_signals[LONG_PRESS] =
g_signal_new (I_("long-press"),
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterClickActionClass, long_press),
NULL, NULL,
_clutter_marshal_BOOLEAN__OBJECT_ENUM,
G_TYPE_BOOLEAN, 2,
CLUTTER_TYPE_ACTOR,
CLUTTER_TYPE_LONG_PRESS_STATE);
}
static void
clutter_deform_effect_class_init (ClutterDeformEffectClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS (klass);
ClutterOffscreenEffectClass *offscreen_class = CLUTTER_OFFSCREEN_EFFECT_CLASS (klass);
klass->deform_vertex = clutter_deform_effect_real_deform_vertex;
/**
* ClutterDeformEffect:x-tiles:
*
* The number of horizontal tiles. The bigger the number, the
* smaller the tiles
*
* Since: 1.4
*/
obj_props[PROP_X_TILES] =
g_param_spec_uint ("x-tiles",
P_("Horizontal Tiles"),
P_("The number of horizontal tiles"),
1, G_MAXUINT,
DEFAULT_N_TILES,
CLUTTER_PARAM_READWRITE);
/**
* ClutterDeformEffect:y-tiles:
*
* The number of vertical tiles. The bigger the number, the
* smaller the tiles
*
* Since: 1.4
*/
obj_props[PROP_Y_TILES] =
g_param_spec_uint ("y-tiles",
P_("Vertical Tiles"),
P_("The number of vertical tiles"),
1, G_MAXUINT,
DEFAULT_N_TILES,
CLUTTER_PARAM_READWRITE);
/**
* ClutterDeformEffect:back-material:
*
* A material to be used when painting the back of the actor
* to which this effect has been applied
*
* By default, no material will be used
*
* Since: 1.4
*/
obj_props[PROP_BACK_MATERIAL] =
g_param_spec_boxed ("back-material",
P_("Back Material"),
P_("The material to be used when painting the back of the actor"),
COGL_TYPE_HANDLE,
CLUTTER_PARAM_READWRITE);
gobject_class->finalize = clutter_deform_effect_finalize;
gobject_class->set_property = clutter_deform_effect_set_property;
gobject_class->get_property = clutter_deform_effect_get_property;
g_object_class_install_properties (gobject_class,
PROP_LAST,
obj_props);
meta_class->set_actor = clutter_deform_effect_set_actor;
offscreen_class->paint_target = clutter_deform_effect_paint_target;
}
static void
clutter_drag_action_class_init (ClutterDragActionClass *klass)
{
ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (ClutterDragActionPrivate));
meta_class->set_actor = clutter_drag_action_set_actor;
klass->drag_motion = clutter_drag_action_real_drag_motion;
/**
* ClutterDragAction:x-drag-threshold:
*
* The horizontal threshold, in pixels, that begins a drag action
*
* When set to a non-zero value, #ClutterDragAction will only emit
* #ClutterDragAction::drag-begin if the pointer has moved
* horizontally at least of the given amount of pixels since
* the button press event
*
* Since: 1.4
*/
drag_props[PROP_X_DRAG_THRESHOLD] =
g_param_spec_uint ("x-drag-threshold",
P_("Horizontal Drag Threshold"),
P_("The horizontal amount of pixels required to start dragging"),
0, G_MAXUINT,
0,
CLUTTER_PARAM_READWRITE);
/**
* ClutterDragAction:y-drag-threshold:
*
* The vertical threshold, in pixels, that begins a drag action
*
* When set to a non-zero value, #ClutterDragAction will only emit
* #ClutterDragAction::drag-begin if the pointer has moved
* vertically at least of the given amount of pixels since
* the button press event
*
* Since: 1.4
*/
drag_props[PROP_Y_DRAG_THRESHOLD] =
g_param_spec_uint ("y-drag-threshold",
P_("Vertical Drag Threshold"),
P_("The vertical amount of pixels required to start dragging"),
0, G_MAXUINT,
0,
CLUTTER_PARAM_READWRITE);
/**
* ClutterDragAction:drag-handle:
*
* The #ClutterActor that is effectively being dragged
*
* A #ClutterDragAction will, be default, use the #ClutterActor that
* has been attached to the action; it is possible to create a
* separate #ClutterActor and use it instead.
*
* Setting this property has no effect on the #ClutterActor argument
* passed to the #ClutterDragAction signals
*
* Since: 1.4
*/
drag_props[PROP_DRAG_HANDLE] =
g_param_spec_object ("drag-handle",
P_("Drag Handle"),
P_("The actor that is being dragged"),
CLUTTER_TYPE_ACTOR,
CLUTTER_PARAM_READWRITE);
/**
* ClutterDragAction:drag-axis:
*
* Constraints the dragging action to the specified axis
*
* Since: 1.4
*/
drag_props[PROP_DRAG_AXIS] =
g_param_spec_enum ("drag-axis",
P_("Drag Axis"),
P_("Constraints the dragging to an axis"),
CLUTTER_TYPE_DRAG_AXIS,
CLUTTER_DRAG_AXIS_NONE,
CLUTTER_PARAM_READWRITE);
gobject_class->set_property = clutter_drag_action_set_property;
gobject_class->get_property = clutter_drag_action_get_property;
gobject_class->dispose = clutter_drag_action_dispose;
_clutter_object_class_install_properties (gobject_class,
PROP_LAST,
drag_props);
/**
* ClutterDragAction::drag-begin:
* @action: the #ClutterDragAction that emitted the signal
* @actor: the #ClutterActor attached to the action
* @event_x: the X coordinate (in stage space) of the press event
* @event_y: the Y coordinate (in stage space) of the press event
* @modifiers: the modifiers of the press event
*
* The ::drag-begin signal is emitted when the #ClutterDragAction
* starts the dragging
*
* The emission of this signal can be delayed by using the
* #ClutterDragAction:x-drag-threshold and
* #ClutterDragAction:y-drag-threshold properties
*
* Since: 1.4
*/
drag_signals[DRAG_BEGIN] =
g_signal_new (I_("drag-begin"),
CLUTTER_TYPE_DRAG_ACTION,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterDragActionClass, drag_begin),
NULL, NULL,
_clutter_marshal_VOID__OBJECT_FLOAT_FLOAT_FLAGS,
G_TYPE_NONE, 4,
CLUTTER_TYPE_ACTOR,
G_TYPE_FLOAT,
G_TYPE_FLOAT,
CLUTTER_TYPE_MODIFIER_TYPE);
/**
* ClutterDragAction::drag-motion
* @action: the #ClutterDragAction that emitted the signal
* @actor: the #ClutterActor attached to the action
* @delta_x: the X component of the distance between the press event
* that began the dragging and the current position of the pointer,
* as of the latest motion event
* @delta_y: the Y component of the distance between the press event
* that began the dragging and the current position of the pointer,
* as of the latest motion event
*
* The ::drag-motion signal is emitted for each motion event after
* the #ClutterDragAction::drag-begin signal has been emitted.
*
* The components of the distance between the press event and the
* latest motion event are computed in the actor's coordinate space,
* to take into account eventual transformations. If you want the
* stage coordinates of the latest motion event you can use
* clutter_drag_action_get_motion_coords().
*
* The default handler of the signal will call clutter_actor_move_by()
* either on @actor or, if set, of #ClutterDragAction:drag-handle using
* the @delta_x and @delta_y components of the dragging motion. If you
* want to override the default behaviour, you can connect to this
* signal and call g_signal_stop_emission_by_name() from within your
* callback.
*
* Since: 1.4
*/
drag_signals[DRAG_MOTION] =
g_signal_new (I_("drag-motion"),
CLUTTER_TYPE_DRAG_ACTION,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterDragActionClass, drag_motion),
NULL, NULL,
_clutter_marshal_VOID__OBJECT_FLOAT_FLOAT,
G_TYPE_NONE, 3,
CLUTTER_TYPE_ACTOR,
G_TYPE_FLOAT,
G_TYPE_FLOAT);
/**
* ClutterDragAction::drag-end:
* @action: the #ClutterDragAction that emitted the signal
* @actor: the #ClutterActor attached to the action
* @event_x: the X coordinate (in stage space) of the release event
* @event_y: the Y coordinate (in stage space) of the release event
* @modifiers: the modifiers of the release event
*
* The ::drag-end signal is emitted at the end of the dragging,
* when the pointer button's is released
*
* This signal is emitted if and only if the #ClutterDragAction::drag-begin
* signal has been emitted first
*
* Since: 1.4
*/
drag_signals[DRAG_END] =
g_signal_new (I_("drag-end"),
CLUTTER_TYPE_DRAG_ACTION,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterDragActionClass, drag_end),
NULL, NULL,
_clutter_marshal_VOID__OBJECT_FLOAT_FLOAT_FLAGS,
G_TYPE_NONE, 4,
CLUTTER_TYPE_ACTOR,
G_TYPE_FLOAT,
G_TYPE_FLOAT,
CLUTTER_TYPE_MODIFIER_TYPE);
}
/* Class initialization
* Override functions in parent classes and define properties
* and signals
*/
static void xfdashboard_click_action_class_init(XfdashboardClickActionClass *klass)
{
GObjectClass *gobjectClass=G_OBJECT_CLASS(klass);
ClutterActorMetaClass *actorMetaClass=CLUTTER_ACTOR_META_CLASS(klass);
/* Override functions */
actorMetaClass->set_actor=_xfdashboard_click_action_set_actor;
gobjectClass->set_property=_xfdashboard_click_action_set_property;
gobjectClass->get_property=_xfdashboard_click_action_get_property;
/* Set up private structure */
g_type_class_add_private(klass, sizeof (XfdashboardClickActionPrivate));
/* Define properties */
/**
* XfdashboardClickAction:pressed:
*
* Whether the clickable actor should be in "pressed" state
*/
XfdashboardClickActionProperties[PROP_PRESSED]=
g_param_spec_boolean("pressed",
_("Pressed"),
_("Whether the clickable should be in pressed state"),
FALSE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* XfdashboardClickAction:held:
*
* Whether the clickable actor has the pointer grabbed
*/
XfdashboardClickActionProperties[PROP_HELD]=
g_param_spec_boolean("held",
_("Held"),
_("Whether the clickable has a grab"),
FALSE,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* XfdashboardClickAction:long-press-duration:
*
* The minimum duration of a press for it to be recognized as a long press
* gesture, in milliseconds.
*
* A value of -1 will make the #XfdashboardClickAction use the value of the
* #ClutterSettings:long-press-duration property.
*/
XfdashboardClickActionProperties[PROP_LONG_PRESS_DURATION]=
g_param_spec_int("long-press-duration",
_("Long Press Duration"),
_("The minimum duration of a long press to recognize the gesture"),
-1,
G_MAXINT,
-1,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
/**
* XfdashboardClickAction:long-press-threshold:
*
* The maximum allowed distance that can be covered (on both axes) before
* a long press gesture is cancelled, in pixels.
*
* A value of -1 will make the #XfdashboardClickAction use the value of the
* #ClutterSettings:dnd-drag-threshold property.
*/
XfdashboardClickActionProperties[PROP_LONG_PRESS_THRESHOLD]=
g_param_spec_int("long-press-threshold",
_("Long Press Threshold"),
_("The maximum threshold before a long press is cancelled"),
-1,
G_MAXINT,
-1,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties(gobjectClass, PROP_LAST, XfdashboardClickActionProperties);
/* Define signals */
/**
* XfdashboardClickAction::clicked:
* @self: The #XfdashboardClickAction that emitted the signal
* @inActor: The #ClutterActor attached to @self
*
* The ::clicked signal is emitted when the #ClutterActor to which
* a #XfdashboardClickAction has been applied should respond to a
* pointer button press and release events
*/
XfdashboardClickActionSignals[SIGNAL_CLICKED]=
g_signal_new("clicked",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(XfdashboardClickActionClass, clicked),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
CLUTTER_TYPE_ACTOR);
/**
* XfdashboardClickAction::long-press:
* @self: The #XfdashboardClickAction that emitted the signal
* @inActor: The #ClutterActor attached to @self
* @inState: The long press state
*
* The ::long-press signal is emitted during the long press gesture
* handling.
*
* This signal can be emitted multiple times with different states.
*
* The %CLUTTER_LONG_PRESS_QUERY state will be emitted on button presses,
* and its return value will determine whether the long press handling
* should be initiated. If the signal handlers will return %TRUE, the
* %CLUTTER_LONG_PRESS_QUERY state will be followed either by a signal
* emission with the %CLUTTER_LONG_PRESS_ACTIVATE state if the long press
* constraints were respected, or by a signal emission with the
* %CLUTTER_LONG_PRESS_CANCEL state if the long press was cancelled.
*
* It is possible to forcibly cancel a long press detection using
* xfdashboard_click_action_release().
*
* Return value: Only the %CLUTTER_LONG_PRESS_QUERY state uses the
* returned value of the handler; other states will ignore it
*/
XfdashboardClickActionSignals[SIGNAL_LONG_PRESS]=
g_signal_new("long-press",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(XfdashboardClickActionClass, long_press),
NULL, NULL,
_xfdashboard_marshal_BOOLEAN__OBJECT_ENUM,
G_TYPE_BOOLEAN,
2,
CLUTTER_TYPE_ACTOR,
CLUTTER_TYPE_LONG_PRESS_STATE);
}
static void
clutter_gesture_action_class_init (ClutterGestureActionClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS (klass);
gobject_class->finalize = clutter_gesture_action_finalize;
gobject_class->set_property = clutter_gesture_action_set_property;
gobject_class->get_property = clutter_gesture_action_get_property;
meta_class->set_actor = clutter_gesture_action_set_actor;
klass->gesture_begin = default_event_handler;
klass->gesture_progress = default_event_handler;
klass->gesture_prepare = default_event_handler;
/**
* ClutterGestureAction:n-touch-points:
*
* Number of touch points to trigger a gesture action.
*
* Since: 1.16
*/
gesture_props[PROP_N_TOUCH_POINTS] =
g_param_spec_int ("n-touch-points",
P_("Number touch points"),
P_("Number of touch points"),
1, G_MAXINT, 1,
CLUTTER_PARAM_READWRITE);
/**
* ClutterGestureAction:threshold-trigger-edge:
*
* The trigger edge to be used by the action to either emit the
* #ClutterGestureAction::gesture-begin signal or to emit the
* #ClutterGestureAction::gesture-cancel signal.
*
* Since: 1.18
*/
gesture_props[PROP_THRESHOLD_TRIGGER_EDGE] =
g_param_spec_enum ("threshold-trigger-edge",
P_("Threshold Trigger Edge"),
P_("The trigger edge used by the action"),
CLUTTER_TYPE_GESTURE_TRIGGER_EDGE,
CLUTTER_GESTURE_TRIGGER_EDGE_NONE,
CLUTTER_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY);
/**
* ClutterGestureAction:threshold-trigger-distance-x:
*
* The horizontal trigger distance to be used by the action to either
* emit the #ClutterGestureAction::gesture-begin signal or to emit
* the #ClutterGestureAction::gesture-cancel signal.
*
* A negative value will be interpreted as the default drag threshold.
*
* Since: 1.18
*/
gesture_props[PROP_THRESHOLD_TRIGGER_DISTANCE_X] =
g_param_spec_float ("threshold-trigger-distance-x",
P_("Threshold Trigger Horizontal Distance"),
P_("The horizontal trigger distance used by the action"),
-1.0, G_MAXFLOAT, -1.0,
CLUTTER_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY);
/**
* ClutterGestureAction:threshold-trigger-distance-y:
*
* The vertical trigger distance to be used by the action to either
* emit the #ClutterGestureAction::gesture-begin signal or to emit
* the #ClutterGestureAction::gesture-cancel signal.
*
* A negative value will be interpreted as the default drag threshold.
*
* Since: 1.18
*/
gesture_props[PROP_THRESHOLD_TRIGGER_DISTANCE_Y] =
g_param_spec_float ("threshold-trigger-distance-y",
P_("Threshold Trigger Vertical Distance"),
P_("The vertical trigger distance used by the action"),
-1.0, G_MAXFLOAT, -1.0,
CLUTTER_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_properties (gobject_class,
PROP_LAST,
gesture_props);
/**
* ClutterGestureAction::gesture-begin:
* @action: the #ClutterGestureAction that emitted the signal
* @actor: the #ClutterActor attached to the @action
*
* The ::gesture_begin signal is emitted when the #ClutterActor to which
* a #ClutterGestureAction has been applied starts receiving a gesture.
*
* Return value: %TRUE if the gesture should start, and %FALSE if
* the gesture should be ignored.
*
* Since: 1.8
*/
gesture_signals[GESTURE_BEGIN] =
g_signal_new (I_("gesture-begin"),
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterGestureActionClass, gesture_begin),
_clutter_boolean_continue_accumulator, NULL,
_clutter_marshal_BOOLEAN__OBJECT,
G_TYPE_BOOLEAN, 1,
CLUTTER_TYPE_ACTOR);
/**
* ClutterGestureAction::gesture-progress:
* @action: the #ClutterGestureAction that emitted the signal
* @actor: the #ClutterActor attached to the @action
*
* The ::gesture-progress signal is emitted for each motion event after
* the #ClutterGestureAction::gesture-begin signal has been emitted.
*
* Return value: %TRUE if the gesture should continue, and %FALSE if
* the gesture should be cancelled.
*
* Since: 1.8
*/
gesture_signals[GESTURE_PROGRESS] =
g_signal_new (I_("gesture-progress"),
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterGestureActionClass, gesture_progress),
_clutter_boolean_continue_accumulator, NULL,
_clutter_marshal_BOOLEAN__OBJECT,
G_TYPE_BOOLEAN, 1,
CLUTTER_TYPE_ACTOR);
/**
* ClutterGestureAction::gesture-end:
* @action: the #ClutterGestureAction that emitted the signal
* @actor: the #ClutterActor attached to the @action
*
* The ::gesture-end signal is emitted at the end of the gesture gesture,
* when the pointer's button is released
*
* This signal is emitted if and only if the #ClutterGestureAction::gesture-begin
* signal has been emitted first.
*
* Since: 1.8
*/
gesture_signals[GESTURE_END] =
g_signal_new (I_("gesture-end"),
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterGestureActionClass, gesture_end),
NULL, NULL,
_clutter_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
CLUTTER_TYPE_ACTOR);
/**
* ClutterGestureAction::gesture-cancel:
* @action: the #ClutterGestureAction that emitted the signal
* @actor: the #ClutterActor attached to the @action
*
* The ::gesture-cancel signal is emitted when the ongoing gesture gets
* cancelled from the #ClutterGestureAction::gesture-progress signal handler.
*
* This signal is emitted if and only if the #ClutterGestureAction::gesture-begin
* signal has been emitted first.
*
* Since: 1.8
*/
gesture_signals[GESTURE_CANCEL] =
g_signal_new (I_("gesture-cancel"),
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterGestureActionClass, gesture_cancel),
NULL, NULL,
_clutter_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
CLUTTER_TYPE_ACTOR);
}
/* Called when attaching and detaching a ClutterActorMeta instance to a ClutterActor */
static void _xfdashboard_tooltip_action_set_actor(ClutterActorMeta *inActorMeta, ClutterActor *inActor)
{
XfdashboardTooltipAction *self;
XfdashboardTooltipActionPrivate *priv;
ClutterActor *oldActor;
g_return_if_fail(XFDASHBOARD_IS_TOOLTIP_ACTION(inActorMeta));
self=XFDASHBOARD_TOOLTIP_ACTION(inActorMeta);
priv=self->priv;
/* Get current actor this action belongs to */
oldActor=clutter_actor_meta_get_actor(CLUTTER_ACTOR_META(self));
/* Do nothing if new actor to set is the current one */
if(oldActor==inActor) return;
/* Release signals */
if(priv->enterSignalID!=0)
{
if(oldActor!=NULL) g_signal_handler_disconnect(oldActor, priv->enterSignalID);
priv->enterSignalID=0;
}
if(priv->motionSignalID!=0)
{
if(oldActor!=NULL) g_signal_handler_disconnect(oldActor, priv->motionSignalID);
priv->motionSignalID=0;
}
if(priv->leaveSignalID!=0)
{
if(oldActor!=NULL) g_signal_handler_disconnect(oldActor, priv->leaveSignalID);
priv->leaveSignalID=0;
}
if(priv->captureSignalID)
{
if(priv->captureSignalActor) g_signal_handler_disconnect(priv->captureSignalActor, priv->captureSignalID);
priv->captureSignalActor=NULL;
priv->captureSignalID=0;
}
/* Release sources */
if(priv->timeoutSourceID!=0)
{
g_source_remove(priv->timeoutSourceID);
priv->timeoutSourceID=0;
}
/* Connect signals */
if(inActor!=NULL)
{
priv->enterSignalID=g_signal_connect_swapped(inActor,
"enter-event",
G_CALLBACK(_xfdashboard_tooltip_action_on_enter_event),
self);
}
/* Call parent's class method */
if(CLUTTER_ACTOR_META_CLASS(xfdashboard_tooltip_action_parent_class)->set_actor)
{
CLUTTER_ACTOR_META_CLASS(xfdashboard_tooltip_action_parent_class)->set_actor(inActorMeta, inActor);
}
}
static void
clutter_snap_constraint_class_init (ClutterSnapConstraintClass *klass)
{
ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS (klass);
ClutterConstraintClass *constraint_class = CLUTTER_CONSTRAINT_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
meta_class->set_actor = clutter_snap_constraint_set_actor;
constraint_class->update_allocation = clutter_snap_constraint_update_allocation;
/**
* ClutterSnapConstraint:source:
*
* The #ClutterActor used as the source for the constraint
*
*
*/
obj_props[PROP_SOURCE] =
g_param_spec_object ("source",
P_("Source"),
P_("The source of the constraint"),
CLUTTER_TYPE_ACTOR,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT);
/**
* ClutterSnapConstraint:from-edge:
*
* The edge of the #ClutterActor that should be snapped
*
*
*/
obj_props[PROP_FROM_EDGE] =
g_param_spec_enum ("from-edge",
P_("From Edge"),
P_("The edge of the actor that should be snapped"),
CLUTTER_TYPE_SNAP_EDGE,
CLUTTER_SNAP_EDGE_RIGHT,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT);
/**
* ClutterSnapConstraint:to-edge:
*
* The edge of the #ClutterSnapConstraint:source that should be snapped
*
*
*/
obj_props[PROP_TO_EDGE] =
g_param_spec_enum ("to-edge",
P_("To Edge"),
P_("The edge of the source that should be snapped"),
CLUTTER_TYPE_SNAP_EDGE,
CLUTTER_SNAP_EDGE_RIGHT,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT);
/**
* ClutterSnapConstraint:offset:
*
* The offset, in pixels, between #ClutterSnapConstraint:from-edge
* and #ClutterSnapConstraint:to-edge
*
*
*/
obj_props[PROP_OFFSET] =
g_param_spec_float ("offset",
P_("Offset"),
P_("The offset in pixels to apply to the constraint"),
-G_MAXFLOAT, G_MAXFLOAT,
0.0f,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT);
gobject_class->dispose = clutter_snap_constraint_dispose;
gobject_class->set_property = clutter_snap_constraint_set_property;
gobject_class->get_property = clutter_snap_constraint_get_property;
g_object_class_install_properties (gobject_class, PROP_LAST, obj_props);
}
/* Class initialization
* Override functions in parent classes and define properties
* and signals
*/
void xfdashboard_drop_action_class_init(XfdashboardDropActionClass *klass)
{
ClutterActorMetaClass *actorMetaClass=CLUTTER_ACTOR_META_CLASS(klass);
/* Override functions */
actorMetaClass->set_actor=_xfdashboard_drop_action_set_actor;
klass->begin=_xfdashboard_drop_action_class_real_begin;
klass->end=_xfdashboard_drop_action_class_real_end;
klass->can_drop=_xfdashboard_drop_action_class_real_can_drop;
klass->drop=_xfdashboard_drop_action_class_real_drop;
klass->drag_enter=_xfdashboard_drop_action_class_real_drag_enter;
klass->drag_leave=_xfdashboard_drop_action_class_real_drag_leave;
/* Set up private structure */
g_type_class_add_private(klass, sizeof(XfdashboardDropActionPrivate));
/* Define signals */
XfdashboardDropActionSignals[SIGNAL_BEGIN]=
g_signal_new("begin",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(XfdashboardDropActionClass, begin),
_xfdashboard_drop_action_stop_signal_on_first_false,
NULL,
_xfdashboard_marshal_BOOLEAN__OBJECT,
G_TYPE_BOOLEAN,
1,
XFDASHBOARD_TYPE_DRAG_ACTION);
XfdashboardDropActionSignals[SIGNAL_CAN_DROP]=
g_signal_new("can-drop",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(XfdashboardDropActionClass, can_drop),
_xfdashboard_drop_action_stop_signal_on_first_false,
NULL,
_xfdashboard_marshal_BOOLEAN__OBJECT_FLOAT_FLOAT,
G_TYPE_BOOLEAN,
3,
XFDASHBOARD_TYPE_DRAG_ACTION,
G_TYPE_FLOAT,
G_TYPE_FLOAT);
XfdashboardDropActionSignals[SIGNAL_DROP]=
g_signal_new("drop",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(XfdashboardDropActionClass, drop),
NULL,
NULL,
_xfdashboard_marshal_VOID__OBJECT_FLOAT_FLOAT,
G_TYPE_NONE,
3,
XFDASHBOARD_TYPE_DRAG_ACTION,
G_TYPE_FLOAT,
G_TYPE_FLOAT);
XfdashboardDropActionSignals[SIGNAL_END]=
g_signal_new("end",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(XfdashboardDropActionClass, end),
NULL,
NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
XFDASHBOARD_TYPE_DRAG_ACTION);
XfdashboardDropActionSignals[SIGNAL_DRAG_ENTER]=
g_signal_new("drag-enter",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(XfdashboardDropActionClass, drag_enter),
NULL,
NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
XFDASHBOARD_TYPE_DRAG_ACTION);
XfdashboardDropActionSignals[SIGNAL_DRAG_MOTION]=
g_signal_new("drag-motion",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(XfdashboardDropActionClass, drag_motion),
NULL,
NULL,
_xfdashboard_marshal_VOID__OBJECT_FLOAT_FLOAT,
G_TYPE_NONE,
3,
XFDASHBOARD_TYPE_DRAG_ACTION,
G_TYPE_FLOAT,
G_TYPE_FLOAT);
XfdashboardDropActionSignals[SIGNAL_DRAG_LEAVE]=
g_signal_new("drag-leave",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(XfdashboardDropActionClass, drag_leave),
NULL,
NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
XFDASHBOARD_TYPE_DRAG_ACTION);
}
static void
clutter_path_constraint_class_init (ClutterPathConstraintClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS (klass);
ClutterConstraintClass *constraint_class = CLUTTER_CONSTRAINT_CLASS (klass);
/**
* ClutterPathConstraint:path:
*
* The #ClutterPath used to constrain the position of an actor.
*
* Since: 1.6
*/
path_properties[PROP_PATH] =
g_param_spec_object ("path",
P_("Path"),
P_("The path used to constrain an actor"),
CLUTTER_TYPE_PATH,
CLUTTER_PARAM_READWRITE);
/**
* ClutterPathConstraint:offset:
*
* The offset along the #ClutterPathConstraint:path, between -1.0 and 2.0.
*
* Since: 1.6
*/
path_properties[PROP_OFFSET] =
g_param_spec_float ("offset",
P_("Offset"),
P_("The offset along the path, between -1.0 and 2.0"),
-1.0, 2.0,
0.0,
CLUTTER_PARAM_READWRITE);
gobject_class->set_property = clutter_path_constraint_set_property;
gobject_class->get_property = clutter_path_constraint_get_property;
gobject_class->dispose = clutter_path_constraint_dispose;
_clutter_object_class_install_properties (gobject_class,
LAST_PROPERTY,
path_properties);
meta_class->set_actor = clutter_path_constraint_set_actor;
constraint_class->update_allocation = clutter_path_constraint_update_allocation;
/**
* ClutterPathConstraint::node-reached:
* @constraint: the #ClutterPathConstraint that emitted the signal
* @actor: the #ClutterActor using the @constraint
* @index: the index of the node that has been reached
*
* The ::node-reached signal is emitted each time a
* #ClutterPathConstraint:offset value results in the actor
* passing a #ClutterPathNode
*
* Since: 1.6
*/
path_signals[NODE_REACHED] =
g_signal_new (I_("node-reached"),
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
_clutter_marshal_VOID__OBJECT_UINT,
G_TYPE_NONE, 2,
CLUTTER_TYPE_ACTOR,
G_TYPE_UINT);
}
static void
clutter_align_constraint_class_init (ClutterAlignConstraintClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS (klass);
ClutterConstraintClass *constraint_class = CLUTTER_CONSTRAINT_CLASS (klass);
meta_class->set_actor = clutter_align_constraint_set_actor;
constraint_class->update_allocation = clutter_align_constraint_update_allocation;
/**
* ClutterAlignConstraint:source:
*
* The #ClutterActor used as the source for the alignment
*
* Since: 1.4
*/
obj_props[PROP_SOURCE] =
g_param_spec_object ("source",
P_("Source"),
P_("The source of the alignment"),
CLUTTER_TYPE_ACTOR,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT);
/**
* ClutterAlignConstraint:align-axis:
*
* The axis to be used to compute the alignment
*
* Since: 1.4
*/
obj_props[PROP_ALIGN_AXIS] =
g_param_spec_enum ("align-axis",
P_("Align Axis"),
P_("The axis to align the position to"),
CLUTTER_TYPE_ALIGN_AXIS,
CLUTTER_ALIGN_X_AXIS,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT);
/**
* ClutterAlignConstraint:factor:
*
* The alignment factor, as a normalized value between 0.0 and 1.0
*
* The factor depends on the #ClutterAlignConstraint:align-axis property:
* with an align-axis value of %CLUTTER_ALIGN_X_AXIS, 0.0 means left and
* 1.0 means right; with a value of %CLUTTER_ALIGN_Y_AXIS, 0.0 means top
* and 1.0 means bottom.
*
* Since: 1.4
*/
obj_props[PROP_FACTOR] =
g_param_spec_float ("factor",
P_("Factor"),
P_("The alignment factor, between 0.0 and 1.0"),
0.0, 1.0,
0.0,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT);
gobject_class->dispose = clutter_align_constraint_dispose;
gobject_class->set_property = clutter_align_constraint_set_property;
gobject_class->get_property = clutter_align_constraint_get_property;
g_object_class_install_properties (gobject_class, PROP_LAST, obj_props);
}
static void
clutter_bind_constraint_class_init (ClutterBindConstraintClass *klass)
{
ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS (klass);
ClutterConstraintClass *constraint_class = CLUTTER_CONSTRAINT_CLASS (klass);
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = clutter_bind_constraint_set_property;
gobject_class->get_property = clutter_bind_constraint_get_property;
gobject_class->dispose = clutter_bind_constraint_dispose;
meta_class->set_actor = clutter_bind_constraint_set_actor;
constraint_class->update_allocation = clutter_bind_constraint_update_allocation;
/**
* ClutterBindConstraint:source:
*
* The #ClutterActor used as the source for the binding.
*
* The #ClutterActor must not be contained inside the actor associated
* to the constraint.
*
* Since: 1.4
*/
obj_props[PROP_SOURCE] =
g_param_spec_object ("source",
P_("Source"),
P_("The source of the binding"),
CLUTTER_TYPE_ACTOR,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT);
/**
* ClutterBindConstraint:coordinate:
*
* The coordinate to be bound
*
* Since: 1.4
*/
obj_props[PROP_COORDINATE] =
g_param_spec_enum ("coordinate",
P_("Coordinate"),
P_("The coordinate to bind"),
CLUTTER_TYPE_BIND_COORDINATE,
CLUTTER_BIND_X,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT);
/**
* ClutterBindConstraint:offset:
*
* The offset, in pixels, to be applied to the binding
*
* Since: 1.4
*/
obj_props[PROP_OFFSET] =
g_param_spec_float ("offset",
P_("Offset"),
P_("The offset in pixels to apply to the binding"),
-G_MAXFLOAT, G_MAXFLOAT,
0.0f,
CLUTTER_PARAM_READWRITE | G_PARAM_CONSTRUCT);
g_object_class_install_properties (gobject_class,
PROP_LAST,
obj_props);
}
static void
clutter_pan_action_class_init (ClutterPanActionClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
ClutterActorMetaClass *meta_class = CLUTTER_ACTOR_META_CLASS (klass);
ClutterGestureActionClass *gesture_class =
CLUTTER_GESTURE_ACTION_CLASS (klass);
g_type_class_add_private (klass, sizeof (ClutterPanActionPrivate));
klass->pan = clutter_pan_action_real_pan;
gesture_class->gesture_prepare = gesture_prepare;
gesture_class->gesture_begin = gesture_begin;
gesture_class->gesture_progress = gesture_progress;
gesture_class->gesture_cancel = gesture_cancel;
gesture_class->gesture_end = gesture_end;
meta_class->set_actor = clutter_pan_action_set_actor;
/**
* ClutterPanAction:pan-axis:
*
* Constraints the panning action to the specified axis
*/
pan_props[PROP_PAN_AXIS] =
g_param_spec_enum ("pan-axis",
P_("Pan Axis"),
P_("Constraints the panning to an axis"),
CLUTTER_TYPE_PAN_AXIS,
CLUTTER_PAN_AXIS_NONE,
CLUTTER_PARAM_READWRITE);
/**
* ClutterPanAction:interpolate:
*
* Whether interpolated events emission is enabled.
*/
pan_props[PROP_INTERPOLATE] =
g_param_spec_boolean ("interpolate",
P_("Interpolate"),
P_("Whether interpolated events emission is enabled."),
FALSE,
CLUTTER_PARAM_READWRITE);
/**
* ClutterPanAction:deceleration:
*
* The rate at which the interpolated panning will decelerate in
*
* #ClutterPanAction will emit interpolated ::pan events with decreasing
* scroll deltas, using the rate specified by this property.
*/
pan_props[PROP_DECELERATION] =
g_param_spec_double ("deceleration",
P_("Deceleration"),
P_("Rate at which the interpolated panning will decelerate in"),
FLOAT_EPSILON, 1.0, default_deceleration_rate,
CLUTTER_PARAM_READWRITE);
/**
* ClutterPanAction:acceleration-factor:
*
* The initial acceleration factor
*
* The kinetic momentum measured at the time of releasing the pointer will
* be multiplied by the factor specified by this property before being used
* to generate interpolated ::pan events.
*/
pan_props[PROP_ACCELERATION_FACTOR] =
g_param_spec_double ("acceleration-factor",
P_("Initial acceleration factor"),
P_("Factor applied to the momentum when starting the interpolated phase"),
1.0, G_MAXDOUBLE, default_acceleration_factor,
CLUTTER_PARAM_READWRITE);
gobject_class->set_property = clutter_pan_action_set_property;
gobject_class->get_property = clutter_pan_action_get_property;
gobject_class->dispose = clutter_pan_action_dispose;
g_object_class_install_properties (gobject_class,
PROP_LAST,
pan_props);
/**
* ClutterPanAction::pan:
* @action: the #ClutterPanAction that emitted the signal
* @actor: the #ClutterActor attached to the @action
* @is_interpolated: if the event is the result of interpolating
* the motion velocity at the end of the drag
*
* The ::pan signal is emitted to keep track of the motion during
* a pan gesture. @is_interpolated is set to %TRUE during the
* interpolation phase of the pan, after the drag has ended and
* the :interpolate property was set to %TRUE.
*
* Return value: %TRUE if the pan should continue, and %FALSE if
* the pan should be cancelled.
*/
pan_signals[PAN] =
g_signal_new (I_("pan"),
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterPanActionClass, pan),
_clutter_boolean_continue_accumulator, NULL,
_clutter_marshal_BOOLEAN__OBJECT_BOOLEAN,
G_TYPE_BOOLEAN, 2,
CLUTTER_TYPE_ACTOR,
G_TYPE_BOOLEAN);
/**
* ClutterPanAction::pan-stopped:
* @action: the #ClutterPanAction that emitted the signal
* @actor: the #ClutterActor attached to the @action
*
* The ::pan-stopped signal is emitted at the end of the interpolation
* phase of the pan action, only when :interpolate is set to %TRUE.
*/
pan_signals[PAN_STOPPED] =
g_signal_new (I_("pan-stopped"),
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ClutterPanActionClass, pan_stopped),
NULL, NULL,
_clutter_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
CLUTTER_TYPE_ACTOR);
}
