#include "toonzqt/schematicnode.h"
#include <QGraphicsSceneMouseEvent>
#include <QStyleOptionGraphicsItem>
#include <QKeyEvent>
#include <algorithm>
#include <QApplication>
#include <QTextDocument>
#include <QTextCursor>
#include <QTextBlock>
#include <QMenuBar>
#include <QPolygonF>
#include <QDesktopWidget>
#include "tundo.h"
#include "toonzqt/menubarcommand.h"
#include "toonzqt/gutil.h"
//========================================================
//
// StageSchematicName
//
//========================================================
SchematicName::SchematicName(QGraphicsItem *parent, double width, double height)
: QGraphicsTextItem("", parent), m_width(width), m_height(height) {
setFlag(QGraphicsItem::ItemIsSelectable, true);
setFlag(QGraphicsItem::ItemIsFocusable, true);
setTextInteractionFlags(Qt::TextEditorInteraction);
connect(document(), SIGNAL(contentsChanged()), this,
SLOT(onContentsChanged()));
}
//--------------------------------------------------------
SchematicName::~SchematicName() {}
//--------------------------------------------------------
void SchematicName::setName(const QString &name) { setPlainText(name); }
//--------------------------------------------------------
void SchematicName::onContentsChanged() {
QString text = document()->toPlainText();
QTextCursor cursor = textCursor();
int position = cursor.position();
if (position > 0 && text.at(position - 1) == '\n') {
text.remove("\n");
setPlainText(text);
;
emit focusOut();
}
}
//--------------------------------------------------------
void SchematicName::focusOutEvent(QFocusEvent *fe) {
qApp->removeEventFilter(this);
if (fe->reason() == Qt::MouseFocusReason) emit focusOut();
}
//--------------------------------------------------------
void SchematicName::keyPressEvent(QKeyEvent *ke) {
if (ke->key() == Qt::Key_Left || ke->key() == Qt::Key_Right) {
QTextCursor cursor = textCursor();
int currentPos = cursor.position();
if (ke->key() == Qt::Key_Left)
cursor.setPosition(currentPos - 1);
else
cursor.setPosition(currentPos + 1);
setTextCursor(cursor);
} else
QGraphicsTextItem::keyPressEvent(ke);
}
//--------------------------------------------------------
bool SchematicName::eventFilter(QObject *object, QEvent *event) {
if (event->type() == QEvent::Shortcut ||
event->type() == QEvent::ShortcutOverride) {
if (!object->inherits("QGraphicsView")) {
event->accept();
return true;
}
}
return false;
}
//--------------------------------------------------------
void SchematicName::focusInEvent(QFocusEvent *fe) {
QGraphicsTextItem::focusInEvent(fe);
qApp->installEventFilter(this);
QTextDocument *doc = document();
QTextCursor cursor(doc->begin());
cursor.select(QTextCursor::Document);
setTextCursor(cursor);
}
//========================================================
//
// class SchematicThumbnailToggle
//
//========================================================
SchematicThumbnailToggle::SchematicThumbnailToggle(SchematicNode *parent,
bool isOpened)
: QGraphicsItem(parent), m_isDown(!isOpened) {}
//--------------------------------------------------------
SchematicThumbnailToggle::~SchematicThumbnailToggle() {}
//--------------------------------------------------------
QRectF SchematicThumbnailToggle::boundingRect() const {
return QRectF(0, 0, 14, 14);
}
//--------------------------------------------------------
void SchematicThumbnailToggle::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget) {
QRect rect(3, 3, 8, 8);
QRect sourceRect = scene()->views()[0]->matrix().mapRect(rect);
static QIcon onIcon(":Resources/schematic_thumbtoggle_on.svg");
static QIcon offIcon(":Resources/schematic_thumbtoggle_off.svg");
QPixmap pixmap;
if (m_isDown)
pixmap = offIcon.pixmap(sourceRect.size());
else
pixmap = onIcon.pixmap(sourceRect.size());
sourceRect = QRect(0, 0, sourceRect.width() * getDevPixRatio(),
sourceRect.height() * getDevPixRatio());
painter->drawPixmap(rect, pixmap, sourceRect);
}
//--------------------------------------------------------
void SchematicThumbnailToggle::setIsDown(bool value) {
m_isDown = value;
emit(toggled(!m_isDown));
}
//--------------------------------------------------------
void SchematicThumbnailToggle::mousePressEvent(QGraphicsSceneMouseEvent *me) {
m_isDown = !m_isDown;
emit(toggled(!m_isDown));
}
//========================================================
//
// SchematicToggle
//
//========================================================
SchematicToggle::SchematicToggle(SchematicNode *parent, const QPixmap &pixmap,
int flags, bool isLargeScaled)
: QGraphicsItem(parent)
, m_pixmap1(pixmap)
, m_pixmap2()
, m_state(0)
, m_flags(flags)
, m_width(isLargeScaled ? 18 : 30)
, m_height(isLargeScaled ? 7 : 5) {}
//--------------------------------------------------------
SchematicToggle::SchematicToggle(SchematicNode *parent, const QPixmap &pixmap1,
const QPixmap &pixmap2, int flags,
bool isLargeScaled)
: QGraphicsItem(parent)
, m_pixmap1(pixmap1)
, m_pixmap2(pixmap2)
, m_state(0)
, m_flags(flags)
, m_width(isLargeScaled ? 18 : 30)
, m_height(isLargeScaled ? 7 : 5) {}
//--------------------------------------------------------
SchematicToggle::~SchematicToggle() {}
//--------------------------------------------------------
QRectF SchematicToggle::boundingRect() const {
return QRectF(0, 0, m_width, m_height);
}
//--------------------------------------------------------
void SchematicToggle::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget) {
if (m_state != 0) {
QPixmap &pix =
(m_state == 2 && !m_pixmap2.isNull()) ? m_pixmap2 : m_pixmap1;
painter->drawPixmap(boundingRect().toRect(), pix);
}
}
//--------------------------------------------------------
void SchematicToggle::mousePressEvent(QGraphicsSceneMouseEvent *me) {
if (me->button() == Qt::LeftButton) {
if (m_pixmap2.isNull()) {
m_state = 1 - m_state;
emit(toggled(m_state != 0));
} else if (m_flags & eEnableNullState) {
m_state = (m_state + 1) % 3;
emit(stateChanged(m_state));
} else {
m_state = 3 - m_state;
emit(stateChanged(m_state));
}
}
if (me->button() == Qt::RightButton) {
SchematicNode *parent = dynamic_cast<SchematicNode *>(this->parentItem());
if (parent) parent->onClicked();
}
}
//--------------------------------------------------------
void SchematicToggle::contextMenuEvent(QGraphicsSceneContextMenuEvent *cme) {
if (!(m_flags & eIsParentColumn)) return;
if (m_pixmap2.isNull()) {
QMenu *menu = new QMenu(0);
CommandManager *cmdManager = CommandManager::instance();
menu->addAction(cmdManager->getAction("MI_EnableThisColumnOnly"));
menu->addAction(cmdManager->getAction("MI_EnableSelectedColumns"));
menu->addAction(cmdManager->getAction("MI_EnableAllColumns"));
menu->addAction(cmdManager->getAction("MI_DisableAllColumns"));
menu->addAction(cmdManager->getAction("MI_DisableSelectedColumns"));
menu->addAction(cmdManager->getAction("MI_SwapEnabledColumns"));
QAction *action = menu->exec(cme->screenPos());
} else {
QMenu *menu = new QMenu(0);
CommandManager *cmdManager = CommandManager::instance();
menu->addAction(cmdManager->getAction("MI_ActivateThisColumnOnly"));
menu->addAction(cmdManager->getAction("MI_ActivateSelectedColumns"));
menu->addAction(cmdManager->getAction("MI_ActivateAllColumns"));
menu->addAction(cmdManager->getAction("MI_DeactivateAllColumns"));
menu->addAction(cmdManager->getAction("MI_DeactivateSelectedColumns"));
menu->addAction(cmdManager->getAction("MI_ToggleColumnsActivation"));
QAction *action = menu->exec(cme->screenPos());
}
}
//========================================================
//--------------------------------------------------------
/*! for Spline Aim and CP toggles
*/
void SchematicToggle_SplineOptions::paint(
QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget) {
QRectF rect = boundingRect();
painter->fillRect(rect, Qt::white);
if (m_state != 0) {
QPixmap &pix =
(m_state == 2 && !m_pixmap2.isNull()) ? m_pixmap2 : m_pixmap1;
painter->drawPixmap(boundingRect().toRect(), pix);
}
painter->setBrush(Qt::NoBrush);
painter->setPen(QColor(180, 180, 180, 255));
painter->drawRect(rect);
}
//--------------------------------------------------------
/*! for Spline Aim and CP toggles
*/
void SchematicToggle_SplineOptions::mousePressEvent(
QGraphicsSceneMouseEvent *me) {
SchematicToggle::mousePressEvent(me);
update();
}
//========================================================
//
// SchematicHandleSpinBox
//
//========================================================
SchematicHandleSpinBox::SchematicHandleSpinBox(QGraphicsItem *parent)
: QGraphicsItem(parent), m_buttonState(Qt::NoButton), m_delta(0) {
setFlag(QGraphicsItem::ItemIsSelectable, false);
setFlag(QGraphicsItem::ItemIsFocusable, false);
m_pixmap = QPixmap(":Resources/schematic_spin_arrows.svg");
}
//--------------------------------------------------------
SchematicHandleSpinBox::~SchematicHandleSpinBox() {}
//--------------------------------------------------------
QRectF SchematicHandleSpinBox::boundingRect() const {
return QRectF(0, 0, 10, 10);
}
//--------------------------------------------------------
void SchematicHandleSpinBox::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget) {
QRectF rect = boundingRect();
painter->drawPixmap(rect.toRect(), m_pixmap);
painter->setBrush(QColor(0, 0, 0, 0));
painter->setPen(QColor(128, 128, 128, 255));
painter->drawRect(rect);
}
//--------------------------------------------------------
void SchematicHandleSpinBox::mouseMoveEvent(QGraphicsSceneMouseEvent *me) {
if (m_buttonState == Qt::LeftButton) {
bool increase = false;
int delta = me->screenPos().y() - me->lastScreenPos().y();
if (delta < 0) increase = true;
m_delta += abs(delta);
if (m_delta > 5) {
if (increase)
emit(modifyHandle(1));
else
emit(modifyHandle(-1));
m_delta = 0;
emit sceneChanged();
}
}
}
//--------------------------------------------------------
void SchematicHandleSpinBox::mousePressEvent(QGraphicsSceneMouseEvent *me) {
m_buttonState = me->button();
TUndoManager::manager()->beginBlock();
}
//--------------------------------------------------------
void SchematicHandleSpinBox::mouseReleaseEvent(QGraphicsSceneMouseEvent *me) {
m_buttonState = Qt::NoButton;
m_delta = 0;
TUndoManager::manager()->endBlock();
emit handleReleased();
}
//========================================================
//
// class SchematicLink
//
//========================================================
SchematicLink::SchematicLink(QGraphicsItem *parent, QGraphicsScene *scene)
#if QT_VERSION >= 0x050000
: QGraphicsItem(parent)
#else
: QGraphicsItem(parent, scene)
#endif
, m_startPort(0)
, m_endPort(0)
, m_path()
, m_hitPath()
, m_lineShaped(false)
, m_highlighted(false) {
#if QT_VERSION >= 0x050000
scene->addItem(this);
#endif
setFlag(QGraphicsItem::ItemIsMovable, false);
setFlag(QGraphicsItem::ItemIsSelectable, true);
setFlag(QGraphicsItem::ItemIsFocusable, false);
setZValue(0.0);
}
//--------------------------------------------------------
SchematicLink::~SchematicLink() { m_startPort = m_endPort = 0; }
//--------------------------------------------------------
QRectF SchematicLink::boundingRect() const {
return m_hitPath.boundingRect().adjusted(-5, -5, 5, 5);
}
//--------------------------------------------------------
QPainterPath SchematicLink::shape() const { return m_hitPath; }
//--------------------------------------------------------
void SchematicLink::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget) {
if (getStartPort() && (getStartPort()->getType() == 100 // eStageSplinePort
|| getStartPort()->getType() == 202)) { // eFxLinkPort
if (isSelected() || isHighlighted())
painter->setPen(QColor(255, 255, 10));
else
painter->setPen(QColor(50, 255, 50, 128));
} else if (isSelected() || isHighlighted())
painter->setPen(QPen(Qt::cyan));
else if (!m_lineShaped)
painter->setPen(QPen(Qt::white));
else
painter->setPen(QPen(QColor(170, 170, 10), 0, Qt::DashLine));
painter->setRenderHint(QPainter::Antialiasing, true);
painter->drawPath(m_path);
}
//--------------------------------------------------------
void SchematicLink::updatePath(const QPointF &startPos, const QPointF &endPos) {
prepareGeometryChange();
setPos(startPos);
if (!m_lineShaped) {
QPointF p0((endPos.x() - startPos.x()) * 0.5, 0);
QPointF p1(p0.x(), endPos.y() - startPos.y());
QPointF p2(endPos - startPos);
m_path = QPainterPath(QPointF(0, 0));
m_path.cubicTo(p0, p1, p2);
QPointF h(0, 5);
QPointF p = h;
if (p2.y() > 0)
p.setX(p2.x() > 0 ? -5 : 5);
else
p.setX(p2.x() > 0 ? 5 : -5);
m_hitPath = QPainterPath(QPointF(0, 0));
m_hitPath.lineTo(h);
m_hitPath.cubicTo(p0 + p, p1 + p, p2 + h);
m_hitPath.lineTo(p2 - h);
m_hitPath.cubicTo(p1 - p, p0 - p, -h);
m_hitPath.lineTo(0, 0);
} else {
m_path = QPainterPath(QPointF(0, 0));
m_path.lineTo(endPos - startPos);
m_hitPath = QPainterPath(QPointF(0, 0));
m_hitPath.lineTo(endPos - startPos);
}
}
//--------------------------------------------------------
void SchematicLink::updatePath(SchematicPort *startPort,
SchematicPort *endPort) {
updatePath(startPort->getLinkEndPoint(), endPort->getLinkEndPoint());
}
//--------------------------------------------------------
SchematicPort *SchematicLink::getOtherPort(const SchematicPort *port) const {
if (port == m_startPort)
return m_endPort;
else if (port == m_endPort)
return m_startPort;
else
return 0;
}
//--------------------------------------------------------
SchematicNode *SchematicLink::getOtherNode(const SchematicNode *node) const {
if (node == m_startPort->getNode())
return m_endPort->getNode();
else if (node == m_endPort->getNode())
return m_startPort->getNode();
else
return 0;
}
//--------------------------------------------------------
void SchematicLink::mousePressEvent(QGraphicsSceneMouseEvent *me) {
QPointF pos = me->scenePos();
SchematicPort *startPort = getStartPort();
SchematicPort *endPort = getEndPort();
if (startPort && endPort) {
QRectF startRect = startPort->boundingRect();
startRect.moveTopLeft(startPort->scenePos());
QRectF endRect = endPort->boundingRect();
endRect.moveTopLeft(endPort->scenePos());
if (startRect.contains(pos) || endRect.contains(pos)) {
me->ignore();
return;
}
}
QMatrix matrix = scene()->views()[0]->matrix();
#if QT_VERSION >= 0x050000
double scaleFactor = sqrt(matrix.determinant());
#else
double scaleFactor = sqrt(matrix.det());
#endif
QPointF startPos = getStartPort()->getLinkEndPoint();
QPointF endPos = getEndPort()->getLinkEndPoint();
QPointF p0((endPos.x() - startPos.x()) * 0.5, 0);
QPointF p1(p0.x(), endPos.y() - startPos.y());
QPointF p2(endPos - startPos);
double sensitivity = 5 / scaleFactor;
QPointF h(0, sensitivity);
QPointF p = h;
if (p2.y() > 0)
p.setX(p2.x() > 0 ? -sensitivity : sensitivity);
else
p.setX(p2.x() > 0 ? sensitivity : -sensitivity);
QPainterPath path(QPointF(0, 0));
path.lineTo(h);
path.cubicTo(p0 + p, p1 + p, p2 + h);
path.lineTo(p2 - h);
path.cubicTo(p1 - p, p0 - p, -h);
path.lineTo(0, 0);
if (!path.contains(me->scenePos() - scenePos())) {
me->ignore();
return;
}
if (!isSelected()) {
if (me->modifiers() != Qt::ControlModifier) scene()->clearSelection();
if (me->button() == Qt::LeftButton || me->button() == Qt::RightButton)
setSelected(true);
} else {
if (me->modifiers() == Qt::ControlModifier &&
me->button() == Qt::LeftButton)
setSelected(false);
}
}
//--------------------------------------------------------
void SchematicLink::mouseReleaseEvent(QGraphicsSceneMouseEvent *me) {
if (me->modifiers() != Qt::ControlModifier && me->button() != Qt::RightButton)
QGraphicsItem::mouseReleaseEvent(me);
}
//========================================================
//
// class SchematicPort
//
//========================================================
SchematicPort::SchematicPort(QGraphicsItem *parent, SchematicNode *node,
int type)
: QGraphicsItem(parent)
, m_node(node)
, m_buttonState(Qt::NoButton)
, m_highlighted(false)
, m_ghostLink(0)
, m_linkingTo(0)
, m_hook(0, 0)
, m_type(type) {
#if QT_VERSION >= 0x050000
setAcceptHoverEvents(false);
#else
setAcceptsHoverEvents(false);
#endif
setFlag(QGraphicsItem::ItemIsSelectable, false);
setFlag(QGraphicsItem::ItemIsFocusable, false);
}
//--------------------------------------------------------
SchematicPort::~SchematicPort() { m_links.clear(); }
//--------------------------------------------------------
void SchematicPort::mouseMoveEvent(QGraphicsSceneMouseEvent *me) {
if (m_buttonState != Qt::LeftButton) return;
if (!m_ghostLink) return;
if (m_linkingTo) {
showSnappedLinks();
m_linkingTo = 0;
}
// Snapping
SchematicPort *linkingTo = searchPort(me->scenePos());
if (!linkingTo) {
if (m_linkingTo) {
m_linkingTo->highLight(false);
m_linkingTo->update();
}
m_ghostLink->updatePath(this->getLinkEndPoint(), me->scenePos());
m_linkingTo = linkingTo;
}
// if to be connected something
else if (linkingTo != this) {
m_ghostLink->updatePath(this, linkingTo);
m_linkingTo = linkingTo;
hideSnappedLinks();
}
// autopan
QGraphicsView *viewer = scene()->views()[0];
viewer->setInteractive(false);
viewer->ensureVisible(QRectF(me->scenePos(), QSizeF(1, 1)), 5, 5);
viewer->setInteractive(true);
}
//--------------------------------------------------------
void SchematicPort::mousePressEvent(QGraphicsSceneMouseEvent *me) {
if (!isSelected()) {
if (me->modifiers() != Qt::ControlModifier) scene()->clearSelection();
if (me->button() == Qt::LeftButton || me->button() == Qt::RightButton)
getNode()->setSelected(true);
} else {
if (me->modifiers() == Qt::ControlModifier &&
me->button() == Qt::LeftButton)
getNode()->setSelected(false);
}
getNode()->onClicked();
if (me->button() == Qt::LeftButton && getType() != 202 // eFxLinkPort
&& getType() != 203 // eFxGroupedInPort
&& getType() != 204 // eFxGroupedOutPort
&& getType() != 103 // eStageSplineGroupPort
&& getType() != 104 // eStageParentGroupPort
&& getType() != 105) // eStageChildGroupPort
{
m_buttonState = Qt::LeftButton;
QPointF endPos(me->pos());
m_ghostLink = new SchematicLink(0, scene());
m_ghostLink->setZValue(3.0);
m_ghostLink->updatePath(this->getLinkEndPoint(), me->scenePos());
emit(isClicked());
}
}
//--------------------------------------------------------
void SchematicPort::mouseReleaseEvent(QGraphicsSceneMouseEvent *me) {
if (me->modifiers() != Qt::ControlModifier && me->button() != Qt::RightButton)
QGraphicsItem::mouseReleaseEvent(me);
if (m_ghostLink) m_ghostLink->hide();
if (m_buttonState == Qt::LeftButton) emit(isReleased(me->scenePos()));
// The link is added to the scene only if the user released the left mouse
// button over
// a SchematicPort different from SchematicPort of the parent node.
if (m_buttonState == Qt::LeftButton && m_linkingTo &&
!isLinkedTo(m_linkingTo) && linkTo(m_linkingTo, true)) {
linkTo(m_linkingTo);
m_buttonState = Qt::NoButton;
m_linkingTo = 0;
emit sceneChanged();
emit xsheetChanged();
} else
showSnappedLinks();
}
//--------------------------------------------------------
void SchematicPort::removeLink(SchematicLink *link) { m_links.removeAll(link); }
//--------------------------------------------------------
void SchematicPort::eraseLink(SchematicLink *link) {
SchematicPort *otherPort = link->getOtherPort(this);
if (otherPort) otherPort->removeLink(link);
removeLink(link);
if (link->scene()) link->scene()->removeItem(link);
delete link;
}
//--------------------------------------------------------
void SchematicPort::eraseAllLinks() {
while (!m_links.empty()) eraseLink(m_links[0]);
}
//--------------------------------------------------------
SchematicLink *SchematicPort::makeLink(SchematicPort *port) {
if (isLinkedTo(port) || !port) return 0;
SchematicLink *link = new SchematicLink(0, scene());
if (getType() == 202 && port->getType() == 202) link->setLineShaped(true);
link->setStartPort(this);
link->setEndPort(port);
addLink(link);
port->addLink(link);
link->updatePath();
return link;
}
//--------------------------------------------------------
bool SchematicPort::isLinkedTo(SchematicPort *port) const {
if (m_links.size() == 0) return false;
int i;
for (i = 0; i < m_links.size(); i++) {
SchematicLink *link = m_links[i];
if (((link->getStartPort() == this && link->getEndPort() == port) ||
(link->getEndPort() == this && link->getStartPort() == port)) &&
link->isVisible())
return true;
}
return false;
}
//--------------------------------------------------------
void SchematicPort::updateLinksGeometry() {
int linkCount = getLinkCount();
int i;
for (i = 0; i < linkCount; i++) {
SchematicLink *link = getLink(i);
SchematicPort *startPort = link->getStartPort();
SchematicPort *endPort = link->getEndPort();
if (startPort && endPort) {
link->updatePath(startPort, endPort);
link->setPos(startPort->getLinkEndPoint());
}
}
}
//--------------------------------------------------------
QPointF SchematicPort::getLinkEndPoint() const { return scenePos() + m_hook; }
//========================================================
//
// class SchematicNode
//
//========================================================
/*! \class SchematicNode schematicnode.h "../inlcude/toonzqt/schematicnode.h"
\brief The class provides methods to draw and handle a node item in the
SchematicScene.
*/
/*! \fn SchematicPort *SchematicNode::getInputPort() const
Returns the input SchematicPort of the node.
*/
/*! \fn SchematicPort *SchematicNode::getOutputPort() const
Returns the output SchematicPort of the node.
*/
/*! \fn SchematicScene* SchematicNode::getScene() const
Returns the scene where the node is placed.
*/
SchematicNode::SchematicNode(SchematicScene *scene)
#if QT_VERSION >= 0x050000
: QGraphicsItem(0)
#else
: QGraphicsItem(0, scene)
#endif
, m_scene(scene)
, m_width(0)
, m_height(0)
, m_buttonState(Qt::NoButton) {
#if QT_VERSION >= 0x050000
scene->addItem(this);
#endif
setFlag(QGraphicsItem::ItemIsMovable, false);
setFlag(QGraphicsItem::ItemIsSelectable, true);
setFlag(QGraphicsItem::ItemIsFocusable, false);
setZValue(1.0);
}
//--------------------------------------------------------
SchematicNode::~SchematicNode() {}
//--------------------------------------------------------
/*!Reimplements the pure virtual QGraphicsItem::boundingRect() method.
*/
QRectF SchematicNode::boundingRect() const { return QRectF(0, 0, 1, 1); }
//--------------------------------------------------------
/*! Reimplements the pure virtual QGraphicsItem::paint() method.
*/
void SchematicNode::paint(QPainter *painter,
const QStyleOptionGraphicsItem *option,
QWidget *widget) {
QPen pen;
if (isSelected()) {
painter->setBrush(QColor(0, 0, 0, 0));
pen.setColor(QColor(255, 255, 255, 255));
pen.setWidth(4.0);
pen.setJoinStyle(Qt::RoundJoin);
painter->setPen(pen);
painter->drawRect(-2, -2, m_width + 4, m_height + 4);
}
pen.setColor(QColor(0, 0, 0, 255));
pen.setWidth(0);
painter->setPen(pen);
}
//--------------------------------------------------------
/*! Reimplements the QGraphicsItem::mouseMoveEvent() method.
*/
void SchematicNode::mouseMoveEvent(QGraphicsSceneMouseEvent *me) {
QList<QGraphicsItem *> items = scene()->selectedItems();
if (items.empty()) return;
QPointF delta = me->scenePos() - me->lastScenePos();
QGraphicsView *viewer = scene()->views()[0];
for (auto const &item : items) {
SchematicNode *node = dynamic_cast<SchematicNode *>(item);
if (node) {
node->setPosition(node->scenePos() + delta);
node->setSchematicNodePos(node->scenePos());
node->updateLinksGeometry();
}
}
viewer->setInteractive(false);
viewer->ensureVisible(QRectF(me->scenePos(), QSizeF(1, 1)), 5, 5);
viewer->setInteractive(true);
}
//--------------------------------------------------------
void SchematicNode::mousePressEvent(QGraphicsSceneMouseEvent *me) {
if (!isSelected()) {
if (me->modifiers() != Qt::ControlModifier) scene()->clearSelection();
if (me->button() == Qt::LeftButton || me->button() == Qt::RightButton)
setSelected(true);
} else {
if (me->modifiers() == Qt::ControlModifier &&
me->button() == Qt::LeftButton)
setSelected(false);
}
onClicked();
}
//--------------------------------------------------------
void SchematicNode::mouseReleaseEvent(QGraphicsSceneMouseEvent *me) {
if (me->modifiers() != Qt::ControlModifier && me->button() != Qt::RightButton)
QGraphicsItem::mouseReleaseEvent(me);
}
//--------------------------------------------------------
/* Add a pair (portId, SchematicPort*port) in the mapping
*/
SchematicPort *SchematicNode::addPort(int portId, SchematicPort *port) {
QMap<int, SchematicPort *>::iterator it;
it = m_ports.find(portId);
if (it != m_ports.end() && m_ports[portId] != port) {
SchematicPort *oldPort = m_ports[portId];
m_ports.erase(it);
scene()->removeItem(oldPort);
delete oldPort;
}
m_ports[portId] = port;
return port;
}
//--------------------------------------------------------
/*!Erase the pair (portId, SchematicPort*port) from the mapping*/
void SchematicNode::erasePort(int portId) {
QMap<int, SchematicPort *>::iterator it = m_ports.find(portId);
if (it != m_ports.end()) {
delete it.value();
m_ports.erase(it);
}
}
//--------------------------------------------------------
/*! Returns a pointer to the SchematicPort mapped from \b portId.\n
Returns 0 if \b portId doesn't map no SchematicPort.
*/
SchematicPort *SchematicNode::getPort(int portId) const {
QMap<int, SchematicPort *>::const_iterator it = m_ports.find(portId);
if (it != m_ports.end()) return it.value();
return 0;
}
//--------------------------------------------------------
/*! Returns a list of all node connected by links to a SchematicPort identified
* by \b portId.
*/
QList<SchematicNode *> SchematicNode::getLinkedNodes(int portId) const {
QList<SchematicNode *> list;
SchematicPort *port = getPort(portId);
if (port) {
int linkCount = port->getLinkCount();
int i;
for (i = 0; i < linkCount; i++) list.push_back(port->getLinkedNode(i));
}
return list;
}
//--------------------------------------------------------
void SchematicNode::updateLinksGeometry() {
QMap<int, SchematicPort *>::iterator it;
for (it = m_ports.begin(); it != m_ports.end(); ++it)
it.value()->updateLinksGeometry();
}