static void
switch_workspace (MetaPlugin *plugin,
gint from, gint to,
MetaMotionDirection direction)
{
MetaScreen *screen;
MetaDefaultPluginPrivate *priv = META_DEFAULT_PLUGIN (plugin)->priv;
GList *l;
ClutterActor *workspace0 = clutter_group_new ();
ClutterActor *workspace1 = clutter_group_new ();
ClutterActor *stage;
int screen_width, screen_height;
ClutterAnimation *animation;
screen = meta_plugin_get_screen (plugin);
stage = meta_get_stage_for_screen (screen);
meta_screen_get_size (screen,
&screen_width,
&screen_height);
clutter_actor_set_anchor_point (workspace1,
screen_width,
screen_height);
clutter_actor_set_position (workspace1,
screen_width,
screen_height);
clutter_actor_set_scale (workspace1, 0.0, 0.0);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), workspace1);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), workspace0);
if (from == to)
{
meta_plugin_switch_workspace_completed (plugin);
return;
}
l = g_list_last (meta_get_window_actors (screen));
while (l)
{
MetaWindowActor *window_actor = l->data;
ActorPrivate *apriv = get_actor_private (window_actor);
ClutterActor *actor = CLUTTER_ACTOR (window_actor);
MetaWorkspace *workspace;
gint win_workspace;
workspace = meta_window_get_workspace (meta_window_actor_get_meta_window (window_actor));
win_workspace = meta_workspace_index (workspace);
if (win_workspace == to || win_workspace == from)
{
apriv->orig_parent = clutter_actor_get_parent (actor);
clutter_actor_reparent (actor,
win_workspace == to ? workspace1 : workspace0);
clutter_actor_show_all (actor);
clutter_actor_raise_top (actor);
}
else if (win_workspace < 0)
{
/* Sticky window */
apriv->orig_parent = NULL;
}
else
{
/* Window on some other desktop */
clutter_actor_hide (actor);
apriv->orig_parent = NULL;
}
l = l->prev;
}
priv->desktop1 = workspace0;
priv->desktop2 = workspace1;
animation = clutter_actor_animate (workspace0, CLUTTER_EASE_IN_SINE,
SWITCH_TIMEOUT,
"scale-x", 1.0,
"scale-y", 1.0,
NULL);
priv->tml_switch_workspace1 = clutter_animation_get_timeline (animation);
g_signal_connect (priv->tml_switch_workspace1,
"completed",
G_CALLBACK (on_switch_workspace_effect_complete),
plugin);
animation = clutter_actor_animate (workspace1, CLUTTER_EASE_IN_SINE,
SWITCH_TIMEOUT,
"scale-x", 0.0,
"scale-y", 0.0,
NULL);
priv->tml_switch_workspace2 = clutter_animation_get_timeline (animation);
}
/* snap size, as affected by resizing lower right corner,
* will need extension if other corners are to be supported,
* it seems possible to do all needed alignments through
* simple workarounds when only snapping for lower right).
*/
static void snap_size (ClutterActor *actor,
gfloat in_width,
gfloat in_height,
gfloat *out_width,
gfloat *out_height)
{
*out_width = in_width;
*out_height = in_height;
ClutterActor *parent;
parent = clutter_actor_get_parent (actor);
if (CLUTTER_IS_CONTAINER (parent))
{
gfloat in_x = clutter_actor_get_x (actor);
gfloat in_y = clutter_actor_get_y (actor);
gfloat in_end_x = in_x + in_width;
gfloat in_end_y = in_y + in_height;
gfloat best_x = 0;
gfloat best_x_diff = 4096;
gfloat best_y = 0;
gfloat best_y_diff = 4096;
GList *children, *c;
children = clutter_container_get_children (CLUTTER_CONTAINER (parent));
hor_pos = 0;
ver_pos = 0;
/* We only search our siblings for snapping...
* perhaps we should search more.
*/
for (c=children; c; c = c->next)
{
gfloat this_x = clutter_actor_get_x (c->data);
gfloat this_width = clutter_actor_get_width (c->data);
gfloat this_height = clutter_actor_get_height (c->data);
gfloat this_end_x = this_x + this_width;
gfloat this_y = clutter_actor_get_y (c->data);
gfloat this_end_y = this_y + this_height;
/* skip self */
if (c->data == actor)
continue;
/*
end aligned with start
this_x this_mid_x this_end_x
in_x in_mid_x in_end_x
*/
if (abs (this_x - in_end_x) < best_x_diff)
{
best_x_diff = abs (this_x - in_end_x);
best_x = this_x;
hor_pos=3;
}
if (abs (this_y - in_end_y) < best_y_diff)
{
best_y_diff = abs (this_y - in_end_y);
best_y = this_y;
ver_pos=3;
}
/*
ends aligned
this_x this_mid_x this_end_x
in_x in_mid_x in_end_x
*/
if (abs (this_end_x - in_end_x) < best_x_diff)
{
best_x_diff = abs (this_end_x - in_end_x);
best_x = this_end_x;
hor_pos=3;
}
if (abs (this_end_y - in_end_y) < best_y_diff)
{
best_y_diff = abs (this_end_y - in_end_y);
best_y = this_end_y;
ver_pos=3;
}
}
{
if (best_x_diff < SNAP_THRESHOLD)
{
*out_width = best_x-in_x;
}
else
{
hor_pos = 0;
}
if (best_y_diff < SNAP_THRESHOLD)
{
*out_height = best_y-in_y;
}
else
{
ver_pos = 0;
}
}
}
}
/* Get minimum and natural size of all visible children */
static void _xfdashboard_fill_box_layout_get_sizes_for_all(XfdashboardFillBoxLayout *self,
ClutterContainer *inContainer,
gfloat *outMinWidth,
gfloat *outNaturalWidth,
gfloat *outMinHeight,
gfloat *outNaturalHeight)
{
XfdashboardFillBoxLayoutPrivate *priv;
ClutterActor *child;
ClutterActorIter iter;
gint numberChildren;
gfloat minWidth, naturalWidth;
gfloat minHeight, naturalHeight;
gfloat childMinWidth, childNaturalWidth;
gfloat childMinHeight, childNaturalHeight;
ClutterActor *parent;
gfloat parentWidth, parentHeight;
gfloat aspectRatio;
g_return_if_fail(XFDASHBOARD_IS_FILL_BOX_LAYOUT(self));
g_return_if_fail(CLUTTER_IS_CONTAINER(inContainer));
g_return_if_fail(CLUTTER_IS_ACTOR(inContainer));
priv=self->priv;
/* Initialize return values */
numberChildren=0;
minWidth=naturalWidth=minHeight=naturalHeight=0.0f;
/* If not homogeneous then iterate through all children and determine sizes ... */
if(priv->isHomogeneous==FALSE)
{
/* Iterate through children and calculate sizes */
clutter_actor_iter_init(&iter, CLUTTER_ACTOR(inContainer));
while(clutter_actor_iter_next(&iter, &child))
{
/* Only get sizes of visible children */
if(!clutter_actor_is_visible(child)) continue;
/* Count visible children */
numberChildren++;
/* Determine sizes of visible child */
clutter_actor_get_preferred_size(child,
&childMinWidth, &childNaturalWidth,
&childMinHeight, &childNaturalHeight);
if(priv->orientation==CLUTTER_ORIENTATION_HORIZONTAL)
{
minWidth+=childMinWidth;
naturalWidth+=childNaturalWidth;
if(childMinHeight>minHeight) minHeight=childMinHeight;
if(childNaturalHeight>naturalHeight) naturalHeight=childNaturalHeight;
}
else
{
minHeight+=childMinHeight;
naturalHeight+=childNaturalHeight;
if(childMinWidth>naturalWidth) minWidth=naturalWidth;
if(childNaturalWidth>naturalHeight) naturalHeight=childNaturalWidth;
}
}
}
/* ... otherwise get largest minimum and natural size and add spacing */
else
{
/* Get number of visible children and also largest minimum
* and natural size
*/
numberChildren=_xfdashboard_fill_box_layout_get_largest_sizes(self,
inContainer,
&childMinWidth, &childNaturalWidth,
&childMinHeight, &childNaturalHeight);
/* Multiply largest sizes with number visible children */
if(priv->orientation==CLUTTER_ORIENTATION_HORIZONTAL)
{
minWidth=(numberChildren*childMinWidth);
naturalWidth=(numberChildren*childNaturalWidth);
minHeight=childMinHeight;
naturalHeight=childNaturalHeight;
}
else
{
minWidth=childMinWidth;
naturalWidth=childNaturalWidth;
minHeight=(numberChildren*childMinHeight);
naturalHeight=(numberChildren*childNaturalHeight);
}
}
/* Add spacing */
if(numberChildren>0)
{
numberChildren--;
if(priv->orientation==CLUTTER_ORIENTATION_HORIZONTAL)
{
minWidth+=numberChildren*priv->spacing;
naturalWidth+=numberChildren*priv->spacing;
}
else
{
minHeight+=numberChildren*priv->spacing;
naturalHeight+=numberChildren*priv->spacing;
}
}
/* Depending on orientation set sizes to fit into parent actor */
parent=clutter_actor_get_parent(CLUTTER_ACTOR(inContainer));
if(parent)
{
aspectRatio=1.0f;
clutter_actor_get_size(CLUTTER_ACTOR(parent), &parentWidth, &parentHeight);
if(priv->orientation==CLUTTER_ORIENTATION_HORIZONTAL)
{
if(priv->keepAspect==TRUE)
{
aspectRatio=minWidth/minHeight;
minHeight=parentHeight;
minWidth=minHeight*aspectRatio;
aspectRatio=naturalWidth/naturalHeight;
naturalHeight=parentHeight;
naturalWidth=naturalHeight*aspectRatio;
}
else
{
minHeight=parentHeight;
naturalHeight=parentHeight;
}
}
else
{
if(priv->keepAspect==TRUE)
{
aspectRatio=minHeight/minWidth;
minWidth=parentWidth;
minHeight=minWidth*aspectRatio;
aspectRatio=naturalHeight/naturalWidth;
naturalWidth=parentWidth;
naturalHeight=naturalWidth*aspectRatio;
}
else
{
minWidth=parentWidth;
naturalWidth=parentWidth;
}
}
}
/* Set return values */
if(outMinWidth) *outMinWidth=minWidth;
if(outNaturalWidth) *outNaturalWidth=naturalWidth;
if(outMinHeight) *outMinHeight=minHeight;
if(outNaturalHeight) *outNaturalHeight=naturalHeight;
}
/* Get largest minimum and natural size of all visible children
* for calculation of one child and returns the number of visible ones
*/
static gint _xfdashboard_fill_box_layout_get_largest_sizes(XfdashboardFillBoxLayout *self,
ClutterContainer *inContainer,
gfloat *outMinWidth,
gfloat *outNaturalWidth,
gfloat *outMinHeight,
gfloat *outNaturalHeight)
{
XfdashboardFillBoxLayoutPrivate *priv;
ClutterActor *child;
ClutterActorIter iter;
gint numberChildren;
gfloat largestMinWidth, largestNaturalWidth;
gfloat largestMinHeight, largestNaturalHeight;
gfloat childMinWidth, childNaturalWidth;
gfloat childMinHeight, childNaturalHeight;
ClutterActor *parent;
gfloat parentWidth, parentHeight;
gfloat aspectRatio;
g_return_val_if_fail(XFDASHBOARD_IS_FILL_BOX_LAYOUT(self), 0);
g_return_val_if_fail(CLUTTER_IS_CONTAINER(inContainer), 0);
g_return_val_if_fail(CLUTTER_IS_ACTOR(inContainer), 0);
priv=self->priv;
/* Iterate through all children and determine sizes */
numberChildren=0;
largestMinWidth=largestNaturalWidth=largestMinHeight=largestNaturalHeight=0.0f;
clutter_actor_iter_init(&iter, CLUTTER_ACTOR(inContainer));
while(clutter_actor_iter_next(&iter, &child))
{
/* Only check visible children */
if(!clutter_actor_is_visible(child)) continue;
/* Check for largest size */
clutter_actor_get_preferred_size(child,
&childMinWidth, &childNaturalWidth,
&childMinHeight, &childNaturalHeight);
if(childMinWidth>largestMinWidth) largestMinWidth=childMinWidth;
if(childNaturalWidth>largestNaturalWidth) largestNaturalWidth=childNaturalWidth;
if(childMinHeight>largestMinHeight) largestMinHeight=childMinHeight;
if(childNaturalHeight>largestNaturalHeight) largestNaturalHeight=childNaturalHeight;
/* Count visible children */
numberChildren++;
}
/* Depending on orientation set sizes to fit into parent actor */
parent=clutter_actor_get_parent(CLUTTER_ACTOR(inContainer));
if(parent)
{
aspectRatio=1.0f;
clutter_actor_get_size(CLUTTER_ACTOR(parent), &parentWidth, &parentHeight);
if(priv->orientation==CLUTTER_ORIENTATION_HORIZONTAL)
{
if(priv->keepAspect==TRUE)
{
aspectRatio=largestMinWidth/largestMinHeight;
largestMinHeight=parentHeight;
largestMinWidth=largestMinHeight*aspectRatio;
aspectRatio=largestNaturalWidth/largestNaturalHeight;
largestNaturalHeight=parentHeight;
largestNaturalWidth=largestNaturalHeight*aspectRatio;
}
else
{
largestMinHeight=parentHeight;
largestNaturalHeight=parentHeight;
}
}
else
{
if(priv->keepAspect==TRUE)
{
aspectRatio=largestMinHeight/largestMinWidth;
largestMinWidth=parentWidth;
largestMinHeight=largestMinWidth*aspectRatio;
aspectRatio=largestNaturalHeight/largestNaturalWidth;
largestNaturalWidth=parentWidth;
largestNaturalHeight=largestNaturalWidth*aspectRatio;
}
else
{
largestMinWidth=parentWidth;
largestNaturalWidth=parentWidth;
}
}
}
/* Set return values */
if(outMinWidth) *outMinWidth=largestMinWidth;
if(outNaturalWidth) *outNaturalWidth=largestNaturalWidth;
if(outMinHeight) *outMinHeight=largestMinHeight;
if(outNaturalHeight) *outNaturalHeight=largestNaturalHeight;
/* Return number of visible children */
return(numberChildren);
}
static void
mx_tooltip_update_position (MxTooltip *tooltip)
{
MxTooltipPrivate *priv = tooltip->priv;
ClutterGeometry tip_area = *tooltip->priv->tip_area;
gfloat tooltip_w, tooltip_h, tooltip_x, tooltip_y, abs_x, abs_y;
ClutterActor *stage, *parent;
gfloat stage_w, stage_h, parent_w, parent_h;
MxWindow *window;
/* If there's no stage, bail out - there's nothing we can do */
stage = clutter_actor_get_stage ((ClutterActor *) tooltip);
if (!stage)
return;
/* find out the stage's size to keep the tooltip on-screen */
clutter_actor_get_size (stage, &stage_w, &stage_h);
parent = clutter_actor_get_parent ((ClutterActor *) tooltip);
clutter_actor_get_transformed_position (parent, &abs_x, &abs_y);
clutter_actor_get_size (parent, &parent_w, &parent_h);
/* ensure the tooltip with is not fixed size */
clutter_actor_set_size ((ClutterActor*) tooltip, -1, -1);
/* if no area set, just position ourselves top left */
if (!priv->tip_area)
{
clutter_actor_set_position ((ClutterActor*) tooltip, abs_x, abs_y);
return;
}
/* check if we're in a window and if there's rotation */
window = mx_window_get_for_stage (CLUTTER_STAGE (stage));
if (window)
{
MxWindowRotation rotation;
gfloat old_x;
g_object_get (G_OBJECT (window),
"window-rotation", &rotation,
NULL);
if (rotation == MX_WINDOW_ROTATION_90
|| rotation == MX_WINDOW_ROTATION_270)
{
/* swap stage width and height */
old_x = stage_w;
stage_w = stage_h;
stage_h = old_x;
/* swap tip area width and height */
old_x = tip_area.width;
tip_area.width = tip_area.height;
tip_area.height = old_x;
}
switch (rotation)
{
case MX_WINDOW_ROTATION_90:
/* absolute position */
old_x = abs_x;
abs_x = abs_y;
abs_y = stage_h - old_x;
/* tip area */
old_x = tip_area.x;
tip_area.x = tip_area.y;
tip_area.y = stage_h - old_x - tip_area.height;
break;
case MX_WINDOW_ROTATION_180:
tip_area.x = stage_w - tip_area.x - tip_area.width;
tip_area.y = stage_h - tip_area.y - tip_area.height;
abs_x = stage_w - abs_x;
abs_y = stage_h - abs_y;
break;
case MX_WINDOW_ROTATION_270:
/* absolute position */
old_x = abs_x;
abs_x = stage_w - abs_y;
abs_y = old_x;
/* tip area */
old_x = tip_area.x;
tip_area.x = stage_w - tip_area.y - tip_area.width;
tip_area.y = old_x;
break;
default:
break;
}
}
/* we need to have a style in case there are padding values to take into
* account when calculating width/height */
mx_stylable_style_changed (MX_STYLABLE (tooltip), MX_STYLE_CHANGED_FORCE);
/* find out the tooltip's size */
clutter_actor_get_size ((ClutterActor*) tooltip, &tooltip_w, &tooltip_h);
/* attempt to place the tooltip */
/* This special-cases the 4 window rotations, as doing this with
* arbitrary rotations would massively complicate the code for
* little benefit.
*/
priv->actor_below = FALSE;
tooltip_x = (int)(tip_area.x + (tip_area.width / 2) -
(tooltip_w / 2));
tooltip_y = (int)(tip_area.y + tip_area.height);
/* Keep on the screen vertically */
if (tooltip_y + tooltip_h > stage_h)
{
priv->actor_below = TRUE;
/* re-query size as may have changed */
clutter_actor_get_preferred_height ((ClutterActor*) tooltip,
-1, NULL, &tooltip_h);
tooltip_y = MAX (0, tip_area.y - tooltip_h);
}
/* Keep on the screen horizontally */
if (tooltip_w > stage_w)
{
tooltip_x = 0;
clutter_actor_set_width ((ClutterActor*) tooltip, stage_w);
}
else if (tooltip_x < 0)
tooltip_x = 0;
else if (tooltip_x + tooltip_w > stage_w)
tooltip_x = (int)(stage_w) - tooltip_w;
gfloat pos_x, pos_y;
pos_x = tooltip_x - abs_x;
pos_y = tooltip_y - abs_y;
/* calculate the arrow offset */
priv->arrow_offset = tip_area.x + tip_area.width / 2 - tooltip_x;
clutter_actor_set_position ((ClutterActor*) tooltip, pos_x, pos_y);
}
static void
sync_actor_stacking (MetaCompositor *compositor)
{
GList *children;
GList *expected_window_node;
GList *tmp;
GList *old;
GList *backgrounds;
gboolean has_windows;
gboolean reordered;
/* NB: The first entries in the lists are stacked the lowest */
/* Restacking will trigger full screen redraws, so it's worth a
* little effort to make sure we actually need to restack before
* we go ahead and do it */
children = clutter_actor_get_children (compositor->window_group);
has_windows = FALSE;
reordered = FALSE;
/* We allow for actors in the window group other than the actors we
* know about, but it's up to a plugin to try and keep them stacked correctly
* (we really need extra API to make that reliable.)
*/
/* First we collect a list of all backgrounds, and check if they're at the
* bottom. Then we check if the window actors are in the correct sequence */
backgrounds = NULL;
expected_window_node = compositor->windows;
for (old = children; old != NULL; old = old->next)
{
ClutterActor *actor = old->data;
if (META_IS_BACKGROUND_GROUP (actor) ||
META_IS_BACKGROUND_ACTOR (actor))
{
backgrounds = g_list_prepend (backgrounds, actor);
if (has_windows)
reordered = TRUE;
}
else if (META_IS_WINDOW_ACTOR (actor) && !reordered)
{
has_windows = TRUE;
if (expected_window_node != NULL && actor == expected_window_node->data)
expected_window_node = expected_window_node->next;
else
reordered = TRUE;
}
}
g_list_free (children);
if (!reordered)
{
g_list_free (backgrounds);
return;
}
/* reorder the actors by lowering them in turn to the bottom of the stack.
* windows first, then background.
*
* We reorder the actors even if they're not parented to the window group,
* to allow stacking to work with intermediate actors (eg during effects)
*/
for (tmp = g_list_last (compositor->windows); tmp != NULL; tmp = tmp->prev)
{
ClutterActor *actor = tmp->data, *parent;
parent = clutter_actor_get_parent (actor);
clutter_actor_set_child_below_sibling (parent, actor, NULL);
}
/* we prepended the backgrounds above so the last actor in the list
* should get lowered to the bottom last.
*/
for (tmp = backgrounds; tmp != NULL; tmp = tmp->next)
{
ClutterActor *actor = tmp->data, *parent;
parent = clutter_actor_get_parent (actor);
clutter_actor_set_child_below_sibling (parent, actor, NULL);
}
g_list_free (backgrounds);
}
/* Dragged actor moved */
static void _xfdashboard_drag_action_drag_motion(ClutterDragAction *inAction,
ClutterActor *inActor,
gfloat inDeltaX,
gfloat inDeltaY)
{
XfdashboardDragAction *self;
XfdashboardDragActionPrivate *priv;
ClutterDragActionClass *dragActionClass;
gfloat stageX, stageY;
XfdashboardDropAction *dropTarget;
gfloat dropX, dropY;
const ClutterEvent *event;
g_return_if_fail(XFDASHBOARD_IS_DRAG_ACTION(inAction));
self=XFDASHBOARD_DRAG_ACTION(inAction);
priv=self->priv;
dragActionClass=CLUTTER_DRAG_ACTION_CLASS(xfdashboard_drag_action_parent_class);
/* Call parent's class method */
if(dragActionClass->drag_motion) dragActionClass->drag_motion(inAction, inActor, inDeltaX, inDeltaY);
/* Remember motion delta coordinates */
priv->lastDeltaX=inDeltaX;
priv->lastDeltaY=inDeltaY;
/* Get event coordinates relative to stage */
clutter_drag_action_get_motion_coords(inAction, &stageX, &stageY);
/* Find drop target at stage coordinate */
dropTarget=_xfdashboard_drag_action_find_drop_traget_at_coord(self, stageX, stageY);
/* If found drop target is not the same as the last one emit "drag-leave"
* signal at last drop target and "drag-enter" in new drop target
*/
if(priv->lastDropTarget!=dropTarget)
{
/* Emit "drag-leave" signal on last drop target */
if(priv->lastDropTarget)
{
g_signal_emit_by_name(priv->lastDropTarget, "drag-leave", self, NULL);
priv->lastDropTarget=NULL;
}
/* Check if new drop target is active and emit "drag-enter" signal */
if(dropTarget)
{
ClutterActorMeta *actorMeta=CLUTTER_ACTOR_META(dropTarget);
ClutterActor *dropActor=clutter_actor_meta_get_actor(actorMeta);
if(clutter_actor_meta_get_enabled(actorMeta) &&
clutter_actor_is_visible(dropActor) &&
clutter_actor_get_reactive(dropActor))
{
g_signal_emit_by_name(dropTarget, "drag-enter", self, NULL);
priv->lastDropTarget=dropTarget;
}
}
}
/* Transform event coordinates relative to last drop target which
* should be the drop target under pointer device if it is active
* and emit "drag-motion" signal
*/
if(priv->lastDropTarget)
{
dropX=dropY=0.0f;
_xfdashboard_drag_action_transform_stage_point(priv->lastDropTarget,
stageX, stageY,
&dropX, &dropY);
g_signal_emit_by_name(priv->lastDropTarget, "drag-motion", self, dropX, dropY, NULL);
}
/* We are derived from ClutterDragAction and this one disables stage motion
* so no "enter-event", "motion-event" and "leave-event" will be emitted while
* dragging. We need to do it on our own.
*/
event=clutter_get_current_event();
if(event && clutter_event_type(event)==CLUTTER_MOTION)
{
GSList *list, *next;
ClutterStage *stage;
ClutterActor *motionActor;
gboolean newMotionActor;
ClutterActor *actor;
gfloat x, y, w, h;
gboolean result;
ClutterEvent *actorEvent;
/* Get stage where event happened */
stage=clutter_event_get_stage(event);
if(stage)
{
/* Get actor under pointer */
newMotionActor=TRUE;
motionActor=clutter_stage_get_actor_at_pos(stage,
CLUTTER_PICK_REACTIVE,
stageX, stageY);
/* Iterate through list of crossed actors so far and check if pointer
* is still inside. If pointer is outside of an actor emit "leave-event".
* For each actor the pointer is still inside emit this "motion-event".
* Also check if actor under pointer is already is list to prevent
* "enter-event" to be emitted more than once.
*/
list=priv->lastMotionActors;
while(list)
{
/* Get next entry now as this entry might get deleted */
next=g_slist_next(list);
/* Get actor from entry */
actor=CLUTTER_ACTOR(list->data);
/* Actor must be one same stage where event happened */
if(clutter_actor_get_stage(actor)!=CLUTTER_ACTOR(stage)) continue;
/* Get position and size of actor in stage coordinates */
clutter_actor_get_transformed_position(actor, &x, &y);
clutter_actor_get_transformed_size(actor, &w, &h);
/* Check if pointer is still inside actor */
if(stageX>=x && stageX<(x+w) &&
stageY>=y && stageY<(y+h))
{
/* Check if actor is the "new" motion actor. If so set flag. */
if(actor==motionActor) newMotionActor=FALSE;
/* Emit "motion-event" */
actorEvent=clutter_event_copy(event);
actorEvent->motion.source=actor;
g_signal_emit_by_name(actor, "motion-event", actorEvent, &result);
clutter_event_free(actorEvent);
}
/* Pointer is not inside actor anymore so remove actor from list
* of last known "motion actors" and send "leave-event"
*/
else
{
/* Disconnect signal */
g_signal_handlers_disconnect_by_func(actor, G_CALLBACK(_xfdashboard_drag_action_on_motion_actor_destroyed), self);
/* Remove from list */
priv->lastMotionActors=g_slist_remove_link(priv->lastMotionActors, list);
g_slist_free_1(list);
/* Create and emit "leave-event" */
actorEvent=clutter_event_new(CLUTTER_LEAVE);
actorEvent->crossing.time=event->motion.time;
actorEvent->crossing.flags=event->motion.flags;
actorEvent->crossing.stage=event->motion.stage;
actorEvent->crossing.source=actor;
actorEvent->crossing.x=event->motion.x;
actorEvent->crossing.y=event->motion.y;
actorEvent->crossing.device=event->motion.device;
actorEvent->crossing.related=event->motion.source;
g_signal_emit_by_name(actor, "leave-event", actorEvent, &result);
clutter_event_free(actorEvent);
}
/* Proceed with next actor */
list=next;
}
/* We have an actor under pointer and was not seen while iterating
* through list of all last known "motion actors" then add this actor
* to list and emit "enter-event" and also all parent actors because
* if pointer is inside their child then it is also inside them.
*/
if(motionActor && newMotionActor)
{
while(motionActor)
{
/* Avoid duplicates */
if(!g_slist_find(priv->lastMotionActors, motionActor))
{
/* Add to list */
priv->lastMotionActors=g_slist_append(priv->lastMotionActors, motionActor);
/* Create and emit "enter-event" */
actorEvent=clutter_event_new(CLUTTER_ENTER);
actorEvent->crossing.time=event->motion.time;
actorEvent->crossing.flags=event->motion.flags;
actorEvent->crossing.stage=event->motion.stage;
actorEvent->crossing.source=event->motion.source;
actorEvent->crossing.x=event->motion.x;
actorEvent->crossing.y=event->motion.y;
actorEvent->crossing.device=event->motion.device;
actorEvent->crossing.related=motionActor;
g_signal_emit_by_name(motionActor, "enter-event", actorEvent, &result);
clutter_event_free(actorEvent);
/* To prevent emiting these motion events on actors being
* destroyed while drag is in progress we connect to 'destroy'
* signal of each "motion actor" added to list. The signal
* handler will be removed either on actor's destruction by
* signal handler's callback, when pointer leaves actor or on
* end of drag.
*/
g_signal_connect(motionActor, "destroy", G_CALLBACK(_xfdashboard_drag_action_on_motion_actor_destroyed), self);
}
/* Get parent */
motionActor=clutter_actor_get_parent(motionActor);
}
}
}
}
}
static MxFocusable *
mex_column_move_focus (MxFocusable *focusable,
MxFocusDirection direction,
MxFocusable *from)
{
MxFocusHint hint;
GList *link_ = NULL;
MexColumn *self = MEX_COLUMN (focusable);
MexColumnPrivate *priv = self->priv;
focusable = NULL;
if ((ClutterActor *)from == priv->header)
{
if (((direction == MX_FOCUS_DIRECTION_NEXT) ||
(direction == MX_FOCUS_DIRECTION_DOWN)) &&
priv->n_items)
{
hint = (direction == MX_FOCUS_DIRECTION_NEXT) ?
MX_FOCUS_HINT_FIRST : MX_FOCUS_HINT_FROM_ABOVE;
if ((focusable = mx_focusable_accept_focus (
MX_FOCUSABLE (priv->children->data), hint)))
{
priv->current_focus = priv->children->data;
return focusable;
}
}
else
return NULL;
}
link_ = g_list_find (priv->children, from);
if (!link_)
return NULL;
switch (direction)
{
case MX_FOCUS_DIRECTION_PREVIOUS:
case MX_FOCUS_DIRECTION_UP:
hint = (direction == MX_FOCUS_DIRECTION_PREVIOUS) ?
MX_FOCUS_HINT_LAST : MX_FOCUS_HINT_FROM_BELOW;
link_ = g_list_previous (link_);
if (!link_)
{
if ((focusable = mx_focusable_accept_focus (
MX_FOCUSABLE (priv->header), hint)))
priv->current_focus = priv->header;
}
else if ((focusable = mx_focusable_accept_focus (
MX_FOCUSABLE (link_->data), hint)))
priv->current_focus = link_->data;
break;
case MX_FOCUS_DIRECTION_NEXT:
case MX_FOCUS_DIRECTION_DOWN:
hint = (direction == MX_FOCUS_DIRECTION_NEXT) ?
MX_FOCUS_HINT_FIRST : MX_FOCUS_HINT_FROM_ABOVE;
link_ = g_list_next (link_);
if (link_ && (focusable = mx_focusable_accept_focus (
MX_FOCUSABLE (link_->data), hint)))
priv->current_focus = link_->data;
break;
case MX_FOCUS_DIRECTION_OUT:
if (from &&
(clutter_actor_get_parent (CLUTTER_ACTOR (from)) ==
CLUTTER_ACTOR (self)))
priv->current_focus = CLUTTER_ACTOR (from);
break;
default:
break;
}
return focusable;
}
static void
mex_column_notify_focused_cb (MxFocusManager *manager,
GParamSpec *pspec,
MexColumn *self)
{
GList *c;
guint offset, increment;
ClutterActor *focused, *focused_cell;
gboolean cell_has_focus, has_focus, open, set_tile_important;
MexColumnPrivate *priv = self->priv;
focused = (ClutterActor *)mx_focus_manager_get_focused (manager);
/* Check if we have focus, and what child is focused */
focused_cell = NULL;
set_tile_important = FALSE;
cell_has_focus = has_focus = FALSE;
if (focused)
{
gboolean contains_column = FALSE;
ClutterActor *parent = clutter_actor_get_parent (focused);
while (parent)
{
if (parent == (ClutterActor *)self)
{
has_focus = TRUE;
if (!priv->has_focus)
{
set_tile_important = TRUE;
priv->has_focus = TRUE;
}
if (focused != priv->header)
{
cell_has_focus = TRUE;
focused_cell = focused;
}
break;
}
else if (MEX_IS_COLUMN (parent))
{
contains_column = TRUE;
}
focused = parent;
parent = clutter_actor_get_parent (focused);
}
if (!contains_column)
has_focus = TRUE;
}
if (!has_focus && priv->has_focus)
{
priv->has_focus = FALSE;
set_tile_important = TRUE;
}
/* Scroll the adjustment to the top */
if (!cell_has_focus && priv->adjustment)
mx_adjustment_interpolate (priv->adjustment, 0, 250,
CLUTTER_EASE_OUT_CUBIC);
/* Open/close boxes as appropriate */
offset = 0;
increment = 150;
/* If we're changing the tile importance, initialise the state manager */
if (set_tile_important && priv->n_items > 0)
{
if (priv->expand_timeline)
g_object_unref (priv->expand_timeline);
priv->expand_timeline =
clutter_timeline_new (priv->n_items * increment);
clutter_timeline_set_delay (priv->expand_timeline, 350);
}
/* Loop through children and set the expander box important/unimportant
* as necessary, and if necessary, do the same for the tile inside the
* expander-box.
*/
open = has_focus && !cell_has_focus;
for (c = priv->children; c; c = c->next)
{
gchar signal_name[32+16];
ClutterActor *child = c->data;
if ((!priv->collapse && priv->has_focus) || (child == focused_cell))
open = TRUE;
if (!MEX_IS_EXPANDER_BOX (child))
continue;
/* Note, 'marker-reached::' is 16 characters long */
g_snprintf (signal_name, G_N_ELEMENTS (signal_name),
"marker-reached::%p", child);
if (MEX_IS_CONTENT_BOX (child))
{
ClutterActor *tile =
mex_content_box_get_tile (MEX_CONTENT_BOX (child));
mex_tile_set_important (MEX_TILE (tile), priv->has_focus);
}
if (!open)
{
if (priv->expand_timeline)
{
if (clutter_timeline_has_marker (priv->expand_timeline,
signal_name + 16))
clutter_timeline_remove_marker (priv->expand_timeline,
signal_name + 16);
g_signal_handlers_disconnect_by_func (priv->expand_timeline,
mex_column_expand_drawer_cb,
child);
}
mex_expander_box_set_important (MEX_EXPANDER_BOX (child), FALSE);
}
else if (set_tile_important)
{
mex_expander_box_set_important (MEX_EXPANDER_BOX (child), FALSE);
clutter_timeline_add_marker_at_time (priv->expand_timeline,
signal_name + 16, offset);
g_signal_connect_swapped (priv->expand_timeline, signal_name,
G_CALLBACK (mex_column_expand_drawer_cb),
child);
offset += increment;
}
else
mex_expander_box_set_important (MEX_EXPANDER_BOX (child), TRUE);
}
if (priv->expand_timeline && set_tile_important && (offset >= increment))
clutter_timeline_start (priv->expand_timeline);
}
