void SCgVisualObject::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
mColor = scg_cfg_get_value_color(isSelected() ? scg_key_element_color_selected : scg_key_element_color_normal);
if (mTextItem != 0)
mTextItem->setDefaultTextColor(scg_cfg_get_value_color(isSelected() ? scg_key_element_font_color_selected : scg_key_element_font_color_normal));
QGraphicsItem::hoverLeaveEvent(event);
}
void SCgVisualControl::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
mBackColor = scg_cfg_get_value_color(isSelected() ? scg_key_control_backcolor_selected : scg_key_control_backcolor_normal);
mColor = scg_cfg_get_value_color(isSelected() ? scg_key_control_color_selected : scg_key_control_color_normal);
mTextItem->setDefaultTextColor(scg_cfg_get_value_color(scg_key_control_font_color));
QGraphicsItem::hoverLeaveEvent(event);
}
void SCgTextItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
if (!isSelected())
setDefaultTextColor(scg_cfg_get_value_color(scg_text_element_color_normal));
else
setDefaultTextColor(scg_cfg_get_value_color(scg_text_element_color_selected));
QGraphicsTextItem::hoverLeaveEvent(event);
}
QVariant SCgObject::itemChange(GraphicsItemChange change, const QVariant &value)
{
// item selection changed
if (change == QGraphicsItem::ItemSelectedHasChanged)
{
if (isSelected())
{
mColor = scg_cfg_get_value_color(scg_key_element_color_selected);//QColor(255, 128, 64);
//setCursor(QCursor(Qt::SizeAllCursor));
}
else
{
mColor = scg_cfg_get_value_color(scg_key_element_color_normal);//QColor(0, 0, 0);
//setCursor(QCursor(Qt::ArrowCursor));
}
}
// move to correct position automaticly
if (change == QGraphicsItem::ItemParentChange && scene())
{
// we need to set this flag to prevent processing ItemPositionHasChanged,
// because item position at this moment not actual
mParentChanging = true;
QGraphicsItem* newParent = value.value<QGraphicsItem*>();
if(newParent)
setPos(newParent->mapFromScene(scenePos()));
else
setPos(scenePos());
}
if (change == QGraphicsItem::ItemParentHasChanged)
{
// now item position has valid value
mParentChanging = false;
updateConnected();
}
// Change stacking order
if (scene() && change == QGraphicsItem::ItemSelectedHasChanged
&& isSelected() && scene()->selectedItems().size() == 1)
{
QGraphicsItem* top = this;
QList<QGraphicsItem*> lst = scene()->items();
foreach(QGraphicsItem* it, lst)
{
if(it != this &&
it->type() == type() &&
it->parentItem() == parentItem())
{
it->stackBefore(top);
top = it;
}
}
}
void SCgVisualObject::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
if (!isSelected())
{
mColor = scg_cfg_get_value_color(scg_key_element_color_highlight);
if (mTextItem != 0)
mTextItem->setDefaultTextColor(scg_cfg_get_value_color(scg_key_element_font_color_highlight));
}
QGraphicsItem::hoverEnterEvent(event);
}
void SCgVisualControl::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
if (!isSelected() && mTextItem)
{
mBackColor = scg_cfg_get_value_color(scg_key_control_backcolor_highlight);
mColor = scg_cfg_get_value_color(scg_key_control_color_highlight);
mTextItem->setDefaultTextColor(scg_cfg_get_value_color(scg_key_control_font_color));
}
QGraphicsItem::hoverEnterEvent(event);
}
QVariant SCgVisualObject::itemChange(GraphicsItemChange change, const QVariant &value)
{
// item selection changed
if (change == QGraphicsItem::ItemSelectedHasChanged)
{
if (mTextItem != 0)
mTextItem->setDefaultTextColor(scg_cfg_get_value_color(isSelected() ? scg_key_element_font_color_selected : scg_key_element_font_color_normal));
mColor = scg_cfg_get_value_color(isSelected() ? scg_key_element_color_selected : scg_key_element_color_normal);
}
return QGraphicsItem::itemChange(change, value);
}
QVariant SCgVisualControl::itemChange(GraphicsItemChange change, const QVariant &value)
{
if (change == QGraphicsItem::ItemSelectedHasChanged)
{
mBackColor = scg_cfg_get_value_color(isSelected() ? scg_key_control_backcolor_selected : scg_key_control_backcolor_normal);
mColor = scg_cfg_get_value_color(isSelected() ? scg_key_control_color_selected : scg_key_control_color_normal);
mTextItem->setDefaultTextColor(scg_cfg_get_value_color(scg_key_control_font_color));
return QVariant();
}
return SCgVisualObject::itemChange(change, value);
}
void SCgNode::setIdtfValue(const QString &idtf)
{
mIdtfValue = idtf;
if (idtf != "")
{
if (!mTextItem)
{
mTextItem = new SCgNodeTextItem(idtf,this);
QFont font("Times New Roman [Arial]", 10, 10, false);
font.setBold(true);
font.setItalic(true);
mTextItem->setFont(font);
mTextItem->setParentItem(this);
mTextItem->setZValue(7);
mTextItem->setDefaultTextColor(scg_cfg_get_value_color(scg_text_element_color_normal));
}
mTextItem->setPlainText(mIdtfValue);
}
else if (mTextItem)
{
delete mTextItem;
mTextItem = 0;
}
positionChanged();
}
void SCgTextItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
if (!isSelected())
setDefaultTextColor(scg_cfg_get_value_color(scg_text_element_color_highlight));
QGraphicsTextItem::hoverEnterEvent(event);
}
QVariant SCgTextItem::itemChange(GraphicsItemChange change, const QVariant &value)
{
if (change == QGraphicsItem::ItemSelectedHasChanged)
{
if (isSelected())
{
setDefaultTextColor(scg_cfg_get_value_color(scg_text_element_color_selected));
}
else
{
setDefaultTextColor(scg_cfg_get_value_color(scg_text_element_color_normal));
}
}
return QGraphicsTextItem::itemChange(change, value);
}
SCgVisualControl::SCgVisualControl(QGraphicsScene *scene) :
SCgVisualObject(scene),
mDragLength(-1.f)
{
mBackColor = scg_cfg_get_value_color(scg_key_control_backcolor_normal);
mColor = scg_cfg_get_value_color(scg_key_control_color_normal);
#if ENABLE_VISUAL_EFFECTS_SUPPORT
if (scg_cfg_get_value_uint(scg_key_effects_enabled) != 0)
{
QGraphicsDropShadowEffect *effect = new QGraphicsDropShadowEffect(this);
effect->setOffset(3, 3);
setGraphicsEffect(effect);
}
#endif
}
void SCgVisualControl::_update(SCgObjectObserver::UpdateEventType eventType, SCgObject *object)
{
if (eventType == SCgObjectObserver::IdentifierChanged)
{
if (mTextItem == 0)
{
QFont font(scg_cfg_get_value_string(scg_key_control_font_name),
scg_cfg_get_value_uint(scg_key_control_font_size),
10, false);
font.setBold(true);
//font.setItalic(true);
mTextItem = new QGraphicsTextItem(this);
mTextItem->setFont(font);
mTextItem->setDefaultTextColor(scg_cfg_get_value_color(scg_key_control_font_color));
}
mTextItem->setPlainText(object->identifier());
QRectF textBound = mTextItem->boundingRect();
baseObject()->setSize(QSizeF(textBound.width() + 10, textBound.height() + 10));
mTextItem->setPos(-textBound.width() / 2.f, -textBound.height() / 2.f);
return;
}
SCgVisualObject::_update(eventType, object);
}
SCgObject::SCgObject(QGraphicsItem *parent, QGraphicsScene *scene) :
QGraphicsItem(parent, scene),
mConstType(SCgAlphabet::ConstUnknown),
mIsBoundingBoxVisible(false),
mTextItem(0),
mIsDead(false),
mParentChanging(false)
{
mColor = scg_cfg_get_value_color(scg_key_element_color_normal);
setFlags(QGraphicsItem::ItemIsSelectable
| QGraphicsItem::ItemIsFocusable
| QGraphicsItem::ItemSendsGeometryChanges);
setAcceptHoverEvents(true);
}
SCgVisualObject::SCgVisualObject(QGraphicsScene *scene) :
QGraphicsItem(0, scene),
mIsBoundingBoxVisible(false),
mTextItem(0),
mParentChanging(false),
mBaseObject(0)
{
mColor = scg_cfg_get_value_color(scg_key_element_color_normal);
setFlags(QGraphicsItem::ItemIsSelectable
| QGraphicsItem::ItemIsFocusable
| QGraphicsItem::ItemSendsGeometryChanges);
//Do not set this flag. All position and geometry manipulations are hand made.
setFlag(QGraphicsItem::ItemIsMovable, false);
setAcceptHoverEvents(true);
}
