/* Sort drop action targets */
static gint _xfdashboard_drag_action_sort_targets_callback(gconstpointer inLeft, gconstpointer inRight)
{
ClutterActor *actor1, *actor2;
gfloat depth1, depth2;
gfloat x1, y1, w1, h1;
gfloat x2, y2, w2, h2;
ClutterActorBox *box1, *box2;
gint numberPoint1, numberPoint2;
g_return_val_if_fail(XFDASHBOARD_IS_DROP_ACTION(inLeft) && XFDASHBOARD_IS_DROP_ACTION(inRight), 0);
actor1=clutter_actor_meta_get_actor(CLUTTER_ACTOR_META(inLeft));
actor2=clutter_actor_meta_get_actor(CLUTTER_ACTOR_META(inRight));
/* Return -1 if actor in inLeft should be inserted before actor in inRight
* and return 1 if otherwise. If both actors can be handled equal then
* return 0. But how to decide?
* The actor with higher z-depth should be inserted before. If both actors
* have equal z-depth then the actor with the most edge points within the
* other actor (overlap) should be inserted before. Edge points are:
* [left,top], [right,top], [left,bottom] and [right, bottom].
*/
depth1=clutter_actor_get_z_position(actor1);
depth2=clutter_actor_get_z_position(actor2);
if(depth1>depth2) return(-1);
else if(depth1<depth2) return(1);
clutter_actor_get_transformed_position(actor1, &x1, &y1);
clutter_actor_get_transformed_size(actor1, &w1, &h1);
box1=clutter_actor_box_new(x1, y1, x1+w1, y1+h1);
clutter_actor_get_transformed_position(actor2, &x2, &y2);
clutter_actor_get_transformed_size(actor2, &w2, &h2);
box2=clutter_actor_box_new(x2, y2, x2+w2, y2+h2);
numberPoint1 =(clutter_actor_box_contains(box1, x2, y2) ? 1 : 0);
numberPoint1+=(clutter_actor_box_contains(box1, x2+w2, y2) ? 1 : 0);
numberPoint1+=(clutter_actor_box_contains(box1, x2, y2+h2) ? 1 : 0);
numberPoint1+=(clutter_actor_box_contains(box1, x2+w2, y2+h2) ? 1 : 0);
numberPoint2 =(clutter_actor_box_contains(box2, x1, y1) ? 1 : 0);
numberPoint2+=(clutter_actor_box_contains(box2, x1+w1, y1) ? 1 : 0);
numberPoint2+=(clutter_actor_box_contains(box2, x1, y1+h1) ? 1 : 0);
numberPoint2+=(clutter_actor_box_contains(box2, x1+w1, y1+h1) ? 1 : 0);
clutter_actor_box_free(box1);
clutter_actor_box_free(box2);
/* Return result */
if(numberPoint1>numberPoint2) return(1);
else if(numberPoint2>numberPoint1) return(-1);
return(0);
}
/* Find drop target at position */
static XfdashboardDropAction* _xfdashboard_drag_action_find_drop_traget_at_coord(XfdashboardDragAction *self,
gfloat inStageX,
gfloat inStageY)
{
XfdashboardDragActionPrivate *priv;
GSList *list;
g_return_val_if_fail(XFDASHBOARD_IS_DRAG_ACTION(self), NULL);
priv=self->priv;
/* Iterate through list and return first drop target in list
* where coordinates fit in
*/
for(list=priv->targets; list; list=g_slist_next(list))
{
ClutterActorMeta *actorMeta=CLUTTER_ACTOR_META(list->data);
ClutterActor *actor=clutter_actor_meta_get_actor(actorMeta);
gfloat x, y, w, h;
/* 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);
/* If given stage coordinates fit in actor we found it */
if(inStageX>=x && inStageX<(x+w) &&
inStageY>=y && inStageY<(y+h))
{
return(XFDASHBOARD_DROP_ACTION(actorMeta));
}
}
/* If we get here no drop target was found */
return(NULL);
}
static void
get_pointer_and_view_coords (ClutterActor *self,
gint *mouse_x,
gint *mouse_y,
gfloat *box_x,
gfloat *box_y,
gfloat *width,
gfloat *height)
{
StScrollViewPrivate *priv = ST_SCROLL_VIEW (self)->priv;
clutter_input_device_get_device_coords (priv->mouse_pointer, mouse_x, mouse_y);
clutter_actor_get_transformed_position (self, box_x, box_y);
clutter_actor_get_transformed_size (self, width, height);
}
//FIXME: ClutterClone seems to have problem rendering children, so badges are stay in grandpar
static void create_window_badge(MosesOverview* self, ClutterActor* parent, int order)
{
ClutterActor* badge = clutter_actor_new();
clutter_actor_insert_child_above(clutter_actor_get_parent(parent), badge, NULL);
gfloat tw, th;
clutter_actor_get_transformed_size(parent, &tw, &th);
gfloat w = 60.0, h = 60.0,
x = (tw - w) / 2.0 + clutter_actor_get_x(parent),
y = (th - h) / 2.0 + clutter_actor_get_y(parent);
clutter_actor_set_position(badge, x, y);
clutter_actor_set_size(badge, w, h);
g_object_set_qdata(G_OBJECT(badge), moses_overview_window_clone_order(), GINT_TO_POINTER(order));
g_object_set_qdata(G_OBJECT(parent), moses_overview_window_clone_order(), GINT_TO_POINTER(order));
ClutterContent* canvas = clutter_canvas_new();
clutter_canvas_set_size(CLUTTER_CANVAS(canvas), w, h);
clutter_actor_set_content(badge, canvas);
g_object_unref(canvas);
g_signal_connect(canvas, "draw", G_CALLBACK(on_badge_draw), badge);
clutter_content_invalidate(canvas);
clutter_actor_set_scale(badge, 0.0, 0.0);
//do animated show
clutter_actor_save_easing_state(badge);
clutter_actor_set_easing_mode(badge, CLUTTER_EASE_OUT_BACK);
clutter_actor_set_easing_duration(badge, 350);
clutter_actor_set_pivot_point(badge, 0.5, 0.5);
clutter_actor_set_scale(badge, 1.0, 1.0);
clutter_actor_restore_easing_state(badge);
g_ptr_array_add(self->priv->badges, badge);
}
static void
position_menu (GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data)
{
ShellStatusMenu *status = SHELL_STATUS_MENU (user_data);
ClutterActor *parent;
float src_x, src_y;
float width, height;
int menu_width;
gtk_widget_get_size_request (GTK_WIDGET (menu), &menu_width, NULL);
/* Encapsulation breakage: it looks better if the menu is
* aligned with the bottom of the actor's grandparent - the
* panel, rather than with the bottom of the actor. We just
* assume what the hierarchy is and where we are positioned
* in the panel.
*/
parent = clutter_actor_get_parent (CLUTTER_ACTOR (status));
parent = clutter_actor_get_parent (parent);
clutter_actor_get_transformed_position (parent, &src_x, &src_y);
clutter_actor_get_transformed_size (parent, &width, &height);
*x = (gint)(0.5 + src_x + width - menu_width);
*y = (gint)(0.5 + src_y + height);
}
static gboolean
st_background_effect_pre_paint (ClutterEffect *effect)
{
StBackgroundEffect *self = ST_BACKGROUND_EFFECT (effect);
ClutterEffectClass *parent_class;
gfloat width;
gfloat height;
gfloat posx;
gfloat posy;
guchar *data;
guint size;
guint rowstride;
glong new_time;
gdouble time_used;
ClutterActor *stage;
gfloat stage_width;
gfloat stage_height;
if (self->bg_bumpmap == NULL)
return FALSE;
if (!clutter_actor_meta_get_enabled (CLUTTER_ACTOR_META (effect)))
return FALSE;
self->actor = clutter_actor_meta_get_actor (CLUTTER_ACTOR_META (effect));
if (self->actor == NULL)
return FALSE;
if (!clutter_feature_available (CLUTTER_FEATURE_SHADERS_GLSL))
{
/* if we don't have support for GLSL shaders then we
* forcibly disable the ActorMeta
*/
g_warning ("Unable to use the ShaderEffect: the graphics hardware "
"or the current GL driver does not implement support "
"for the GLSL shading language.");
clutter_actor_meta_set_enabled (CLUTTER_ACTOR_META (effect), FALSE);
return FALSE;
}
new_time = clock();
time_used = ((double) (new_time - self->old_time)*100) / (double) CLOCKS_PER_SEC;
self->old_time = new_time;
posx = 0.0f;
posy = 0.0f;
width = 0.0f;
height = 0.0f;
stage_width = 0.0f;
stage_height = 0.0f;
clutter_actor_get_transformed_position (self->actor, &posx, &posy);
clutter_actor_get_transformed_size (self->actor, &width, &height);
self->opacity = clutter_actor_get_paint_opacity (self->actor);
stage = clutter_actor_get_stage (self->actor);
clutter_actor_get_size (stage, &stage_width, &stage_height);
if ((posx < 0) || (posy < 0) || ((posx + width) > stage_width) || ((posy + height) > stage_height))
return FALSE;
if (( posx != self->posx_old)
|| ( posy != self->posy_old)
|| ( width != self->width_old)
|| ( height != self->height_old)
|| (time_used > 50.0))
{
self->posx_old = posx;
self->posy_old = posy;
self->width_old = width;
self->height_old = height;
self->bg_posx_i = round(posx)+2;
self->bg_posy_i = round(posy)+2;
self->bg_width_i = round(width)-4;
self->bg_height_i = round(height)-4;
size = (self->bg_width_i) * (self->bg_height_i) * 4;
if (((self->opacity == 0xff) || (self->bg_texture == NULL)) && (size > 400))
{
rowstride = (self->bg_width_i) * 4;
data = g_malloc (size);
cogl_read_pixels (self->bg_posx_i,
self->bg_posy_i,
self->bg_width_i,
self->bg_height_i,
COGL_READ_PIXELS_COLOR_BUFFER,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
data);
if (data != NULL)
{
if (self->bg_texture != NULL)
{
cogl_handle_unref (self->bg_texture);
self->bg_texture = NULL;
}
self->bg_texture = st_cogl_texture_new_from_data_wrapper (self->bg_width_i,
self->bg_height_i,
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
rowstride,
data);
g_free (data);
}
}
}
parent_class = CLUTTER_EFFECT_CLASS (st_background_effect_parent_class);
if (parent_class->pre_paint (effect))
{
ClutterOffscreenEffect *offscreen_effect = CLUTTER_OFFSCREEN_EFFECT (effect);
CoglHandle fg_texture;
fg_texture = clutter_offscreen_effect_get_texture (offscreen_effect);
if (fg_texture != COGL_INVALID_HANDLE)
{
self->fg_width_i = cogl_texture_get_width (fg_texture);
self->fg_height_i = cogl_texture_get_height (fg_texture);
if ((self->bg_texture != NULL) && (self->opacity == 0xff))
{
if (self->pixel_step_uniform0 > -1)
{
gfloat pixel_step[3];
pixel_step[0] = 1.0f / (self->bg_width_i);
pixel_step[1] = 1.0f / (self->bg_height_i);
pixel_step[2] = 0.0f;
cogl_pipeline_set_uniform_float (self->pipeline0,
self->pixel_step_uniform0,
3,
1,
pixel_step);
}
if (self->BumpTex_uniform > -1)
{
cogl_pipeline_set_uniform_1i (self->pipeline0,
self->BumpTex_uniform,
1);
}
if (self->bump_step_uniform > -1)
{
gfloat bump_step[2];
bump_step[0] = 1.0f / (self->bumptex_width_i);
bump_step[1] = 1.0f / (self->bumptex_height_i);
cogl_pipeline_set_uniform_float (self->pipeline0,
self->bump_step_uniform,
2,
1,
bump_step);
}
if (self->bg_sub_texture != NULL)
{
cogl_handle_unref (self->bg_sub_texture);
self->bg_sub_texture = NULL;
}
self->bg_sub_texture = st_cogl_texture_new_with_size_wrapper (self->bg_width_i, self->bg_height_i,
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_RGBA_8888_PRE);
cogl_pipeline_set_layer_texture (self->pipeline0, 0, self->bg_texture);
if (self->pixel_step_uniform1 > -1)
{
gfloat pixel_step[3];
pixel_step[0] = 1.0f / (self->bg_width_i);
pixel_step[1] = 1.0f / (self->bg_height_i);
pixel_step[2] = 1.0f;
cogl_pipeline_set_uniform_float (self->pipeline1,
self->pixel_step_uniform1,
3,
1,
pixel_step);
}
if (self->pixel_step_uniform2 > -1)
{
gfloat pixel_step[3];
pixel_step[0] = 1.0f / (self->fg_width_i);
pixel_step[1] = 1.0f / (self->fg_height_i);
pixel_step[2] = 2.0f;
cogl_pipeline_set_uniform_float (self->pipeline3,
self->pixel_step_uniform2,
3,
1,
pixel_step);
}
}
cogl_pipeline_set_layer_texture (self->pipeline2, 0, fg_texture);
cogl_pipeline_set_layer_texture (self->pipeline3, 0, fg_texture);
cogl_pipeline_set_layer_texture (self->pipeline4, 0, fg_texture);
}
return TRUE;
}
else
{
return FALSE;
}
}
static gboolean
manipulate_lasso_capture (ClutterActor *stage,
ClutterEvent *event,
gpointer data)
{
switch (event->any.type)
{
case CLUTTER_MOTION:
{
gfloat ex=event->motion.x;
gfloat ey=event->motion.y;
gint mx = MIN (ex, lx);
gint my = MIN (ey, ly);
gint mw = MAX (ex, lx) - mx;
gint mh = MAX (ey, ly) - my;
clutter_actor_set_position (lasso, mx - LASSO_BORDER, my - LASSO_BORDER);
clutter_actor_set_size (lasso, mw + LASSO_BORDER*2, mh+LASSO_BORDER*2);
manipulate_x=ex;
manipulate_y=ey;
{
gint no;
GList *j, *list;
g_hash_table_remove_all (selection);
list = clutter_container_get_children (CLUTTER_CONTAINER (cs_get_current_container ()));
for (no = 0, j=list; j;no++,j=j->next)
{
gfloat cx, cy;
gfloat cw, ch;
clutter_actor_get_transformed_position (j->data, &cx, &cy);
clutter_actor_get_transformed_size (j->data, &cw, &ch);
if (contains (mx, mx + mw, cx, cx + cw) &&
contains (my, my + mh, cy, cy + ch))
{
g_hash_table_insert (selection, j->data, j->data);
}
}
g_list_free (list);
}
}
break;
case CLUTTER_BUTTON_RELEASE:
{
ClutterModifierType state = event->button.modifier_state;
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init (&iter, selection);
while (g_hash_table_iter_next (&iter, &key, &value))
{
if (state & CLUTTER_CONTROL_MASK)
{
if (cs_selected_has_actor (key))
cs_selected_remove (key);
else
cs_selected_add (key);
}
else
{
cs_selected_add (key);
}
}
}
g_hash_table_remove_all (selection);
g_signal_handlers_disconnect_by_func (stage, manipulate_lasso_capture, data);
clutter_actor_destroy (lasso);
clutter_actor_queue_redraw (stage);
lasso = NULL;
SELECT_ACTION_POST("select lasso");
default:
break;
}
return TRUE;
}
/* 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);
}
}
}
}
}
