Files
qad/libs/blockview/blockitem.cpp
2023-04-13 18:21:21 +03:00

500 lines
14 KiB
C++

#include "blockview.h"
#include <QApplication>
#define BLOCKITEM_DEFAULT_PIN_MARGIN 20
BlockItem::BlockItem(QGraphicsItem * parent): QGraphicsObject(parent), PropertyStorage(), g_main(this), g_selection(this) {
setData(bvidType, bvitBlock);
setZValue(2.);
setAcceptHoverEvents(true);
setFlags(QGraphicsItem::ItemIsSelectable | QGraphicsItem::ItemIsMovable);
g_main.setData(bvidMoveParent, true);
g_selection.setData(bvidItemSelection, true);
g_selection.setAcceptedMouseButtons(Qt::MouseButtons());
g_selection.setZValue(10.);
g_selection.hide();
g_selection.setData(bvidVisualizeSelection, true);
col = Qt::lightGray;
_resize(QSizeF(100., 60.));
QPen p(QColor(128, 128, 255), lineThickness(), Qt::DotLine);
p.setCosmetic(true);
g_selection.setPen(p);
g_selection.setBrush(QColor(128, 128, 255, 32));
pins_margin = BLOCKITEM_DEFAULT_PIN_MARGIN;
anim_thick.setTargetObject(this);
anim_thick.setPropertyName("_thickness");
anim_thick.setEasingCurve(QEasingCurve::OutQuad);
anim_thick.setDuration(300);
anim_sel.setTargetObject(this);
anim_sel.setPropertyName("_selRect");
anim_sel.setEasingCurve(QEasingCurve::OutCubic);
anim_sel.setDuration(400);
t_sel.start();
}
BlockItem::~BlockItem() {
clearDecors();
}
void BlockItem::_resize(QSizeF s) {
g_main.setRect(QRectF(QPointF(), s));
g_main.setPos(QPointF(-g_main.rect().center().x(), -10.));
g_selection.setRect(enlargedRect(g_main.rect(), 0, 0, 8));
g_selection.setPos(g_main.pos());
QRadialGradient g(g_main.rect().width() / 2., 0, qMax<qreal>(g_main.rect().width() / 2., g_main.rect().height()));
g.setSpread(QGradient::PadSpread);
g.setCoordinateMode(QGradient::LogicalMode);
g.setColorAt(0., col.darker(120.));
g.setColorAt(1., col.lighter(120.));
g_main.setBrush(QBrush(g));
prepareGeometryChange();
arrangePins();
}
void BlockItem::_moveToTop(bool only_decors) {
qreal dy = -g_main.rect().center().y() + 10;
if (!only_decors) moveBy(0., dy);
foreach(QGraphicsItem * d, decors_)
d->moveBy(0., -dy);
}
BlockItemPin * BlockItem::addPin(BlockItemPin * pin, bool update_) {
pin->setParentItem(this);
if (!pins_[pin->alignment()].contains(pin)) pins_[pin->alignment()] << pin;
pin->parent_ = this;
if (update_) arrangePins();
return pin;
}
BlockItemPin * BlockItem::addPin(Qt::Alignment align, int bus_type, const QString & text, bool update_) {
BlockItemPin * pin = new BlockItemPin(align, bus_type, text, this);
pin->parent_ = this;
pins_[pin->alignment()] << pin;
if (update_) arrangePins();
return pin;
}
void BlockItem::removePin(BlockItemPin * pin) {
if (!pin) return;
QMutableMapIterator<Qt::Alignment, QVector<BlockItemPin *>> it(pins_);
while (it.hasNext()) {
it.next();
QVector<BlockItemPin *> & pv(it.value());
if (pv.contains(pin)) pv.remove(it.value().indexOf(pin));
}
delete pin;
arrangePins();
}
void BlockItem::addDecor(QGraphicsItem * item) {
if (decors_.contains(item)) return;
if (qgraphicsitem_cast<QGraphicsPixmapItem *>(item))
qgraphicsitem_cast<QGraphicsPixmapItem *>(item)->setTransformationMode(Qt::SmoothTransformation);
if (qgraphicsitem_cast<QGraphicsSimpleTextItem *>(item))
qgraphicsitem_cast<QGraphicsSimpleTextItem *>(item)->setData(bvidDecorText,
qgraphicsitem_cast<QGraphicsSimpleTextItem *>(item)->text());
if (qgraphicsitem_cast<AlignedTextItem *>(item))
qgraphicsitem_cast<AlignedTextItem *>(item)->setData(bvidDecorText, qgraphicsitem_cast<AlignedTextItem *>(item)->text());
item->setData(bvidMoveParent, true);
item->setData(bvidBlockDecor, true);
decors_ << item;
item->setParentItem(this);
}
void BlockItem::addDecor(QGraphicsItem & item) {
if (decors_.contains(&item)) return;
if (qgraphicsitem_cast<QGraphicsPixmapItem *>(&item))
qgraphicsitem_cast<QGraphicsPixmapItem *>(&item)->setTransformationMode(Qt::SmoothTransformation);
if (qgraphicsitem_cast<QGraphicsSimpleTextItem *>(&item))
qgraphicsitem_cast<QGraphicsSimpleTextItem *>(&item)->setData(bvidDecorText,
qgraphicsitem_cast<QGraphicsSimpleTextItem *>(&item)->text());
if (qgraphicsitem_cast<AlignedTextItem *>(&item))
qgraphicsitem_cast<AlignedTextItem *>(&item)->setData(bvidDecorText, qgraphicsitem_cast<AlignedTextItem *>(&item)->text());
item.setData(bvidMoveParent, true);
item.setData(bvidBlockDecor, true);
item.setParentItem(this);
}
void BlockItem::removeDecor(QGraphicsItem * item) {
if (scene() && item) scene()->sendEvent(item, new QGraphicsSceneEvent(QEvent::Close));
decors_.removeAll(item);
delete item;
}
QVector<BlockItemPin *> BlockItem::takePins() {
QVector<BlockItemPin *> ret = pins();
pins_.clear();
return ret;
}
void BlockItem::clearPins() {
QList<QVector<BlockItemPin *>> mp = pins_.values();
for (int i = 0; i < mp.size(); ++i)
qDeleteAll(mp[i]);
pins_.clear();
}
void BlockItem::clearDecors() {
bool pbs = false;
if (scene()) pbs = scene()->blockSignals(true);
if (scene()) {
foreach(QGraphicsItem * i, decors_)
scene()->sendEvent(i, new QGraphicsSceneEvent(QEvent::Close));
}
qDeleteAll(decors_);
decors_.clear();
if (scene()) {
scene()->blockSignals(pbs);
scene()->selectionChanged();
}
}
QVector<BlockItemPin *> BlockItem::pins() const {
QList<QVector<BlockItemPin *>> mp = pins_.values();
QVector<BlockItemPin *> ret;
for (int i = 0; i < mp.size(); ++i)
ret << mp[i];
return ret;
}
QVector<BlockItemPin *> BlockItem::pinsOnSide(Qt::Alignment al) const {
return pins_.value(al);
}
QByteArray BlockItem::saveModel() {
ChunkStream cs;
cs << cs.chunk(1, pos()) << cs.chunk(2, rotation()) << cs.chunk(3, size()) << cs.chunk(4, color()) << cs.chunk(5, pins())
<< cs.chunk(6, decors_) << cs.chunk(7, pins_margin) << cs.chunk(0xFF, _blockitem_current_version_);
return cs.data();
}
void BlockItem::loadModel(const QByteArray & data) {
// qDebug() << "load from" << data.size() << "bytes";
clearPins();
clearDecors();
col = Qt::lightGray;
_resize(QSizeF(100., 60.));
if (data.isEmpty()) return;
ChunkStream cs(data);
QVector<BlockItemPin *> tp;
QList<QGraphicsItem *> dl;
int version = -1;
while (!cs.atEnd()) {
switch (cs.read()) {
case 1: /*setPos(cs.getData<QPointF>());*/ break;
case 2: /*setRotation(cs.getData<qreal>());*/ break;
case 3: setSize(cs.getData<QSizeF>()); break;
case 4: setColor(cs.getData<QColor>()); break;
case 5:
cs.get(tp);
foreach(BlockItemPin * p, tp)
addPin(p);
break;
case 6:
cs.get(dl);
foreach(QGraphicsItem * d, dl)
addDecor(d);
break;
case 7: setPinsMargin(cs.getData<int>()); break;
case 0xFF: cs.get(version); break;
}
}
if (version <= 0) _moveToTop(true);
}
QByteArray BlockItem::save() const {
ChunkStream cs;
QMap<QString, QList<BlockItem::Property>> pp;
foreach(BlockItemPin * p, pins()) {
// qDebug() << "save pin" << p->text() << "->" << p->properties().size();
pp[p->text()] = p->properties();
}
cs << cs.chunk(1, pos()) << cs.chunk(2, rotation()) << cs.chunk(3, props) << cs.chunk(5, pp) << cs.chunk(6, size());
cs << cs.chunk(10, data(2000)) << cs.chunk(11, data(2001)) << cs.chunk(12, prop_bindings)
<< cs.chunk(0xFF, _blockitem_current_version_);
return cs.data();
}
void BlockItem::load(const QByteArray & data) {
if (data.isEmpty()) return;
ChunkStream cs(data);
QMap<QString, QList<BlockItem::Property>> _p;
int version = -1;
while (!cs.atEnd()) {
switch (cs.read()) {
case 1: setPos(cs.getData<QPointF>()); break;
case 2: setRotation(cs.getData<qreal>()); break;
case 3: cs.get(props); break;
case 5:
cs.get(_p);
// qDebug() << "load pins" << _p.size();
foreach(BlockItemPin * p, pins()) {
// qDebug() << "load pin" << p->text() << "->" << _p.contains(p->text());
if (_p.contains(p->text())) p->properties() = _p[p->text()];
}
break;
case 6: setSize(cs.getData<QSizeF>()); break;
case 10: setData(2000, cs.getData<QVariant>()); break;
case 11: setData(2001, cs.getData<QVariant>()); break;
case 12: prop_bindings = cs.getData<QList<QPair<QString, QString>>>(); break;
case 0xFF: cs.get(version); break;
}
}
if (version <= 0) {
_moveToTop();
}
}
BlockItem * BlockItem::copy() const {
BlockItem * ret = new BlockItem();
ret->setPos(pos());
ret->setSize(size());
ret->setColor(color());
ret->setSelected(false);
ret->props = props;
ret->setPinsMargin(pinsMargin());
QVector<BlockItemPin *> mp = pins();
foreach(BlockItemPin * p, mp) {
BlockItemPin * np = new BlockItemPin();
np->setBusType(p->busType());
np->setAlignment(p->alignment());
np->setText(p->text());
np->setToolTip(p->toolTip());
np->properties() = p->properties();
ret->addPin(np);
}
QByteArray ba;
foreach(QGraphicsItem * i, decors_) {
ba.clear();
QGraphicsItem * ni = 0;
QDataStream s(&ba, QIODevice::ReadWrite);
s << i;
QDataStream s2(ba);
s2 >> ni;
if (ni) ret->addDecor(ni);
}
return ret;
}
QList<BlockBusItem *> BlockItem::connectedBuses() const {
QList<BlockBusItem *> ret;
foreach(BlockItemPin * p, pins())
ret << p->connectedBuses();
return ret;
}
BlockItemPin * BlockItem::pinByText(const QString & t) const {
foreach(BlockItemPin * p, pins())
if (p->text() == t) return p;
return 0;
}
BlockItemPin * BlockItem::pinAtBus(BlockBusItem * bus) const {
if (bus == 0) return 0;
foreach(BlockItemPin * p, pins())
if (p->connectedBuses().contains(bus)) return p;
return 0;
}
QRectF BlockItem::sceneRect() const {
return g_main.mapRectToScene(g_main.boundingRect());
}
QRectF BlockItem::boundingRect() const {
return g_main.mapRectToParent(g_main.boundingRect());
}
void BlockItem::hoverEnterEvent(QGraphicsSceneHoverEvent * e) {
bool anim = ((BlockView *)scene()->views().back())->isBlockAnimationEnabled();
if (anim) {
anim_thick.stop();
anim_thick.setStartValue(thickness());
anim_thick.setEndValue(2.5);
anim_thick.start();
} else
setThickness(2.5);
emit blockHoverEnter(this);
}
void BlockItem::hoverLeaveEvent(QGraphicsSceneHoverEvent * e) {
bool anim = ((BlockView *)scene()->views().back())->isBlockAnimationEnabled();
if (anim) {
anim_thick.stop();
anim_thick.setStartValue(thickness());
anim_thick.setEndValue(1);
anim_thick.start();
} else
setThickness(1);
emit blockHoverLeave(this);
}
#define _POS(m) (i - ((cp.size() - 1) / 2)) * m
void BlockItem::arrangePins() {
QVector<BlockItemPin *> pl = pins();
pins_.clear();
foreach(BlockItemPin * p, pl)
pins_[p->alignment()] << p;
QVector<BlockItemPin *> cp = pins_.value(Qt::AlignBottom);
for (int i = 0; i < cp.size(); ++i)
cp[i]->setPos(_POS(pins_margin), bottom());
cp = pins_.value(Qt::AlignTop);
for (int i = 0; i < cp.size(); ++i)
cp[i]->setPos(_POS(pins_margin), top());
cp = pins_.value(Qt::AlignLeft);
for (int i = 0; i < cp.size(); ++i)
cp[i]->setPos(left(), i * pins_margin);
cp = pins_.value(Qt::AlignRight);
for (int i = 0; i < cp.size(); ++i)
cp[i]->setPos(right(), i * pins_margin);
}
#undef _POS
void BlockItem::removeBindings(const QString & bind_name) {
for (int i = 0; i < prop_bindings.size(); ++i) {
if (prop_bindings[i].second == bind_name) {
prop_bindings.removeAt(i);
i--;
}
}
}
void BlockItem::removeBindingByProperty(const QString & prop_name) {
for (int i = 0; i < prop_bindings.size(); ++i) {
if (prop_bindings[i].first == prop_name) {
prop_bindings.removeAt(i);
i--;
}
}
}
void BlockItem::addBinding(const QString & prop_name, const QString & bind_name) {
QPair<QString, QString> pb(prop_name, bind_name);
prop_bindings.removeAll(pb);
prop_bindings << pb;
}
void BlockItem::applyBinding(const QString & bind_name, const QVariant & bind_value) {
for (int i = 0; i < prop_bindings.size(); ++i) {
if (prop_bindings[i].second == bind_name) {
setPropertyValue(prop_bindings[i].first, bind_value);
}
}
}
void BlockItem::applyBindings(const PropertyStorage & bindings) {
for (int i = 0; i < prop_bindings.size(); ++i) {
if (bindings.isPropertyExists(prop_bindings[i].second)) {
setPropertyValue(prop_bindings[i].first, bindings.propertyValueByName(prop_bindings[i].second));
}
}
}
void BlockItem::setBindings(const QList<QPair<QString, QString>> & bindings) {
prop_bindings = bindings;
}
QList<QPair<QString, QString>> BlockItem::getBindings() {
return prop_bindings;
}
QString BlockItem::getBindName(const QString & prop_name) const {
for (int i = 0; i < prop_bindings.size(); ++i) {
if (prop_bindings[i].first == prop_name) {
return prop_bindings[i].second;
}
}
return QString();
}
QStringList BlockItem::getBindNames() const {
QStringList ret;
for (int i = 0; i < prop_bindings.size(); ++i)
if (!ret.contains(prop_bindings[i].second)) ret << prop_bindings[i].second;
return ret;
}
QStringList BlockItem::getBindProps() const {
QStringList ret;
for (int i = 0; i < prop_bindings.size(); ++i)
ret << prop_bindings[i].first;
return ret;
}
QVariant BlockItem::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant & value) {
if (change == QGraphicsItem::ItemSelectedChange) {
// qDebug() << "select" << value.toBool();
if (value.toBool() && !isSelected() && ((BlockView *)scene()->views().back())->isBlockAnimationEnabled() && t_sel.elapsed() > 50) {
g_selection.setRect(enlargedRect(g_main.rect(), 0, 0, 16));
anim_sel.setStartValue(selectionRect());
anim_sel.setEndValue(enlargedRect(g_main.rect(), 0, 0, 8));
anim_sel.start();
}
t_sel.restart();
g_selection.setVisible(value.toBool());
}
return QGraphicsItem::itemChange(change, value);
}
double BlockItem::thickness() const {
return g_main.pen().widthF();
}
void BlockItem::setThickness(double w) {
QPen p = g_main.pen();
p.setWidthF(w);
g_main.setPen(p);
}
QRectF BlockItem::selectionRect() const {
return g_selection.rect();
}
void BlockItem::setSelectionRect(const QRectF & r) {
g_selection.setRect(r);
}