/* 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);
}
static void
gmc_button_allocate (ClutterActor *actor,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
GmcButtonPrivate *priv;
ClutterActorBox *actor_box;
gfloat width, height;
gfloat icon_w_min = 0, icon_h_min = 0, icon_w_nat = 0, icon_h_nat = 0;
gfloat label_w_min = 0, label_h_min = 0, label_w_nat = 0, label_h_nat = 0;
gfloat spacing = 0;
priv = GMC_BUTTON_GET_PRIVATE (actor);
CLUTTER_ACTOR_CLASS (gmc_button_parent_class)->allocate (actor, box, flags);
clutter_actor_box_get_size (box,
&width,
&height);
// TODO if icon_h < label_h, center icon
// if icon_h > label_h, center label
if (priv->icon) {
clutter_actor_get_preferred_width (priv->icon, height, &icon_w_min, &icon_w_nat);
clutter_actor_get_preferred_height (priv->icon, width, &icon_h_min, &icon_h_nat);
actor_box = clutter_actor_box_new (0, 0, icon_w_min, icon_h_min);
clutter_actor_allocate (priv->icon, actor_box, flags);
clutter_actor_box_free (actor_box);
spacing = priv->spacing;
}
if (priv->label) {
clutter_actor_get_preferred_width (priv->label, height, &label_w_min, &label_w_nat);
clutter_actor_get_preferred_height (priv->label, width, &label_h_min, &label_h_nat);
actor_box = clutter_actor_box_new (icon_w_min + spacing, 0, label_w_min, 25);
clutter_actor_allocate (priv->label, actor_box, flags);
clutter_actor_box_free (actor_box);
}
}
/* Allocate position and size of actor and its children */
static void _xfdashboard_text_box_allocate(ClutterActor *self,
const ClutterActorBox *inBox,
ClutterAllocationFlags inFlags)
{
XfdashboardTextBoxPrivate *priv=XFDASHBOARD_TEXT_BOX(self)->priv;
ClutterActorBox *box=NULL;
gfloat left, right, top, bottom;
gfloat iconWidth, iconHeight;
/* Chain up to store the allocation of the actor */
CLUTTER_ACTOR_CLASS(xfdashboard_text_box_parent_class)->allocate(self, inBox, inFlags);
/* Initialize bounding box of allocation used in actors */
left=top=priv->padding;
right=clutter_actor_box_get_width(inBox)-priv->padding;
bottom=clutter_actor_box_get_height(inBox)-priv->padding;
/* Set allocation of primary icon if visible */
if(CLUTTER_ACTOR_IS_VISIBLE(priv->actorPrimaryIcon))
{
gfloat childRight;
/* Get scale size of primary icon */
iconWidth=iconHeight=0.0f;
clutter_actor_get_size(priv->actorPrimaryIcon, &iconWidth, &iconHeight);
if(iconHeight>0.0f) iconWidth=(bottom-top)*(iconWidth/iconHeight);
/* Set allocation */
childRight=left+iconWidth;
box=clutter_actor_box_new(floor(left), floor(top), floor(childRight), floor(bottom));
clutter_actor_allocate(CLUTTER_ACTOR(priv->actorPrimaryIcon), box, inFlags);
clutter_actor_box_free(box);
/* Adjust bounding box for next actor */
left=childRight+priv->spacing;
}
/* Set allocation of secondary icon if visible */
if(CLUTTER_ACTOR_IS_VISIBLE(priv->actorSecondaryIcon))
{
gfloat childLeft;
/* Get scale size of secondary icon */
iconWidth=0.0f;
clutter_actor_get_size(priv->actorSecondaryIcon, &iconWidth, &iconHeight);
if(iconHeight>0.0f) iconWidth=(bottom-top)*(iconWidth/iconHeight);
/* Set allocation */
childLeft=right-iconWidth;
box=clutter_actor_box_new(floor(childLeft), floor(top), floor(right), floor(bottom));
clutter_actor_allocate(CLUTTER_ACTOR(priv->actorSecondaryIcon), box, inFlags);
clutter_actor_box_free(box);
/* Adjust bounding box for next actor */
right=childLeft-priv->spacing;
}
/* Set allocation of editable text box if visible */
if(CLUTTER_ACTOR_IS_VISIBLE(priv->actorTextBox))
{
gfloat textHeight;
/* Get height of text */
clutter_actor_get_preferred_size(CLUTTER_ACTOR(priv->actorTextBox),
NULL, NULL,
NULL, &textHeight);
/* Set allocation */
box=clutter_actor_box_new(floor(left), floor(bottom-textHeight), floor(right), floor(bottom));
clutter_actor_allocate(CLUTTER_ACTOR(priv->actorTextBox), box, inFlags);
clutter_actor_box_free(box);
}
/* Set allocation of hint label if visible */
if(CLUTTER_ACTOR_IS_VISIBLE(priv->actorHintLabel))
{
gfloat textHeight;
/* Get height of label */
clutter_actor_get_preferred_size(CLUTTER_ACTOR(priv->actorHintLabel),
NULL, NULL,
NULL, &textHeight);
/* Set allocation */
box=clutter_actor_box_new(floor(left), floor(bottom-textHeight), floor(right), floor(bottom));
clutter_actor_allocate(CLUTTER_ACTOR(priv->actorHintLabel), box, inFlags);
clutter_actor_box_free(box);
}
}
void IoClutterActorBox_free(IoClutterActorBox *self) {
if(IOCABOX(self) != NULL)
clutter_actor_box_free(IOCABOX(self));
}
/* Allocate position and size of actor and its children */
static void _xfdashboard_viewpad_allocate(ClutterActor *self,
const ClutterActorBox *inBox,
ClutterAllocationFlags inFlags)
{
XfdashboardViewpadPrivate *priv=XFDASHBOARD_VIEWPAD(self)->priv;
ClutterActorClass *actorClass=CLUTTER_ACTOR_CLASS(xfdashboard_viewpad_parent_class);
gfloat viewWidth, viewHeight;
gfloat vScrollbarWidth, vScrollbarHeight;
gfloat hScrollbarWidth, hScrollbarHeight;
gboolean hScrollbarVisible, vScrollbarVisible;
ClutterActorBox *box;
gfloat x, y, w, h;
/* Chain up to store the allocation of the actor */
if(actorClass->allocate) actorClass->allocate(self, inBox, inFlags);
/* Initialize largest possible allocation for view and determine
* real size of view to show. The real size is used to determine
* scroll bar visibility if policy is automatic */
viewWidth=clutter_actor_box_get_width(inBox);
viewHeight=clutter_actor_box_get_height(inBox);
/* Determine visibility of scroll bars */
hScrollbarVisible=FALSE;
if(priv->hScrollbarPolicy==XFDASHBOARD_POLICY_ALWAYS ||
(priv->hScrollbarPolicy==XFDASHBOARD_POLICY_AUTOMATIC &&
xfdashboard_scrollbar_get_range(XFDASHBOARD_SCROLLBAR(priv->hScrollbar))>viewWidth))
{
hScrollbarVisible=TRUE;
}
if(xfdashboard_view_get_fit_mode(XFDASHBOARD_VIEW(priv->activeView))==XFDASHBOARD_FIT_MODE_HORIZONTAL ||
xfdashboard_view_get_fit_mode(XFDASHBOARD_VIEW(priv->activeView))==XFDASHBOARD_FIT_MODE_BOTH)
{
hScrollbarVisible=FALSE;
}
vScrollbarVisible=FALSE;
if(priv->vScrollbarPolicy==XFDASHBOARD_POLICY_ALWAYS ||
(priv->vScrollbarPolicy==XFDASHBOARD_POLICY_AUTOMATIC &&
xfdashboard_scrollbar_get_range(XFDASHBOARD_SCROLLBAR(priv->vScrollbar))>viewHeight))
{
vScrollbarVisible=TRUE;
}
if(xfdashboard_view_get_fit_mode(XFDASHBOARD_VIEW(priv->activeView))==XFDASHBOARD_FIT_MODE_VERTICAL ||
xfdashboard_view_get_fit_mode(XFDASHBOARD_VIEW(priv->activeView))==XFDASHBOARD_FIT_MODE_BOTH)
{
vScrollbarVisible=FALSE;
}
/* Set allocation for visible scroll bars */
vScrollbarWidth=0.0f;
vScrollbarHeight=viewHeight;
clutter_actor_get_preferred_width(priv->vScrollbar, -1, NULL, &vScrollbarWidth);
hScrollbarWidth=viewWidth;
hScrollbarHeight=0.0f;
clutter_actor_get_preferred_height(priv->hScrollbar, -1, NULL, &hScrollbarHeight);
if(hScrollbarVisible && vScrollbarVisible)
{
vScrollbarHeight-=hScrollbarHeight;
hScrollbarWidth-=vScrollbarWidth;
}
if(vScrollbarVisible==FALSE) box=clutter_actor_box_new(0, 0, 0, 0);
else box=clutter_actor_box_new(viewWidth-vScrollbarWidth, 0, viewWidth, vScrollbarHeight);
clutter_actor_allocate(priv->vScrollbar, box, inFlags);
clutter_actor_box_free(box);
if(hScrollbarVisible==FALSE) box=clutter_actor_box_new(0, 0, 0, 0);
else box=clutter_actor_box_new(0, viewHeight-hScrollbarHeight, hScrollbarWidth, viewHeight);
clutter_actor_allocate(priv->hScrollbar, box, inFlags);
clutter_actor_box_free(box);
/* Reduce allocation for view by any visible scroll bar
* and set allocation and clipping of view
*/
if(priv->activeView)
{
/* Set allocation */
if(vScrollbarVisible) viewWidth-=vScrollbarWidth;
if(hScrollbarVisible) viewHeight-=hScrollbarHeight;
x=y=0.0f;
if(clutter_actor_has_clip(CLUTTER_ACTOR(priv->activeView)))
{
clutter_actor_get_clip(CLUTTER_ACTOR(priv->activeView), &x, &y, NULL, NULL);
}
switch(xfdashboard_view_get_fit_mode(XFDASHBOARD_VIEW(priv->activeView)))
{
case XFDASHBOARD_FIT_MODE_BOTH:
w=viewWidth;
h=viewHeight;
break;
case XFDASHBOARD_FIT_MODE_HORIZONTAL:
w=viewWidth;
clutter_actor_get_preferred_height(CLUTTER_ACTOR(priv->activeView), w, NULL, &h);
break;
case XFDASHBOARD_FIT_MODE_VERTICAL:
h=viewHeight;
clutter_actor_get_preferred_width(CLUTTER_ACTOR(priv->activeView), h, NULL, &w);
break;
default:
clutter_actor_get_preferred_size(CLUTTER_ACTOR(priv->activeView), NULL, NULL, &w, &h);
break;
}
box=clutter_actor_box_new(0, 0, w, h);
clutter_actor_allocate(CLUTTER_ACTOR(priv->activeView), box, inFlags);
clutter_actor_box_free(box);
clutter_actor_set_clip(CLUTTER_ACTOR(priv->activeView), x, y, viewWidth, viewHeight);
}
/* Only set value if it changes */
if(priv->hScrollbarVisible!=hScrollbarVisible)
{
/* Set new value */
priv->hScrollbarVisible=hScrollbarVisible;
/* Notify about property change */
g_object_notify_by_pspec(G_OBJECT(self), XfdashboardViewpadProperties[PROP_HSCROLLBAR_VISIBLE]);
}
if(priv->vScrollbarVisible!=vScrollbarVisible)
{
/* Set new value */
priv->vScrollbarVisible=vScrollbarVisible;
/* Notify about property change */
g_object_notify_by_pspec(G_OBJECT(self), XfdashboardViewpadProperties[PROP_VSCROLLBAR_VISIBLE]);
}
}
