QGraphicsItem*
GIFactory::createComponentGI(
ComponentDescriptor* type) {
qDebug() << "Generating Graphics item for" << type->text();
// collect all the information
QString componentName = type->text();
QGraphicsItemGroup* parent = new QGraphicsItemGroup();
// create all the partial items and calculate sizes
unsigned int inSection_minWidth = 0;
unsigned int outSection_minWidth = 0;
unsigned int portSection_lineHeight = 0;
QList<PortEntry> inPorts = QList<PortEntry>();
QList<PortEntry> outPorts = QList<PortEntry>();
for (PortDescriptor * port : type->ports()) {
PortEntry portEntry = PortEntry(port, parent);
unsigned int width = portEntry.textGraphics()->boundingRect().width() + 2 * TEXT_PADDING;
unsigned int height = portEntry.textGraphics()->boundingRect().height() + 2 * TEXT_PADDING;
// adjust the line height, if needed
if (height > portSection_lineHeight) {
portSection_lineHeight = height;
}
switch (port->direction()) {
case model::enums::PortDirection::IN : {
inPorts.append(portEntry);
if (width > inSection_minWidth) {
inSection_minWidth = width;
}
}
break;
case model::enums::PortDirection::OUT : {
outPorts.append(portEntry);
if (width > outSection_minWidth) {
outSection_minWidth = width;
}
}
break;
default:
continue; // do not handle other types.
}
}
std::sort(inPorts.begin(), inPorts.end());
std::sort(outPorts.begin(), outPorts.end());
unsigned int portSection_height =
inPorts.count() > outPorts.count() ?
inPorts.count() * portSection_lineHeight :
outPorts.count() * portSection_lineHeight;
QGraphicsTextItem* text_compName = new QGraphicsTextItem(componentName, parent);
parent->addToGroup(text_compName);
unsigned int nameSection_minWidth = text_compName->boundingRect().width() + 2 * TEXT_PADDING;
unsigned int nameSection_height = text_compName->boundingRect().height() + 2 * TEXT_PADDING;
// adjust the total width
unsigned int totalWidth = 0;
if (nameSection_minWidth > (inSection_minWidth + outSection_minWidth)) {
totalWidth = nameSection_minWidth;
if (inSection_minWidth > totalWidth / 2) { // extend outSection_minWidth
outSection_minWidth = totalWidth - inSection_minWidth;
} else if (outSection_minWidth > totalWidth / 2) { // extend inSection_minWidth
inSection_minWidth = totalWidth - outSection_minWidth;
} else { // stretch both to totalWidth / 2
inSection_minWidth = totalWidth / 2;
outSection_minWidth = totalWidth / 2;
}
} else { // adjust nameSection_minWidth
totalWidth = inSection_minWidth + outSection_minWidth;
}
// now actually place all the stuff
QBrush nameSectionBrush = QBrush(Qt::lightGray, Qt::SolidPattern);
QBrush portSectionBrush = QBrush(Qt::white, Qt::SolidPattern);
QPen pen = QPen(Qt::black, Qt::SolidLine);
QPoint currentPos = QPoint(0, 0);
// draw the rectangles
QGraphicsRectItem* nameSection = new QGraphicsRectItem(
currentPos.x(), currentPos.y(),
totalWidth, nameSection_height, parent);
nameSection->setBrush(nameSectionBrush);
nameSection->setPen(pen);
nameSection->setZValue(-1);
parent->addToGroup(nameSection);
currentPos.ry() += nameSection_height;
QGraphicsRectItem* inSection = new QGraphicsRectItem(
currentPos.x(), currentPos.y(),
inSection_minWidth, portSection_height, parent);
inSection->setBrush(portSectionBrush);
inSection->setPen(pen);
inSection->setZValue(-1);
parent->addToGroup(inSection);
currentPos.rx() += inSection_minWidth;
QGraphicsRectItem* outSection = new QGraphicsRectItem(
currentPos.x(), currentPos.y(),
outSection_minWidth, portSection_height, parent);
outSection->setBrush(portSectionBrush);
outSection->setPen(pen);
outSection->setZValue(-1);
parent->addToGroup(outSection);
// place the texts and set the port positions in the port descriptor
text_compName->setPos((totalWidth - text_compName->boundingRect().width()) / 2,
/*0 + */ TEXT_PADDING);
currentPos.setX(0);
currentPos.setY(nameSection_height);
for(PortEntry inIter : inPorts){
inIter.textGraphics()->setPos(currentPos.x() + TEXT_PADDING, currentPos.y() + TEXT_PADDING);
currentPos.ry() += portSection_lineHeight / 2;
QPoint portPos = QPoint(currentPos.x() - PORT_DIAMETER, currentPos.y());
inIter.descriptor()->setPosition(portPos);
QGraphicsLineItem* lineToPort = new QGraphicsLineItem(QLineF(portPos, currentPos), parent);
parent->addToGroup(lineToPort);
currentPos.ry() += portSection_lineHeight / 2;
}
currentPos.setX(totalWidth);
currentPos.setY(nameSection_height);
for(PortEntry outIter : outPorts){
outIter.textGraphics()->setPos(
currentPos.x() - TEXT_PADDING - outIter.textGraphics()->boundingRect().width(),
currentPos.y() + TEXT_PADDING);
currentPos.ry() += portSection_lineHeight / 2;
QPoint portPos = QPoint(currentPos.x() + PORT_DIAMETER, currentPos.y());
outIter.descriptor()->setPosition(portPos);
QGraphicsLineItem* lineToPort = new QGraphicsLineItem(QLineF(currentPos, portPos), parent);
parent->addToGroup(lineToPort);
currentPos.ry() += portSection_lineHeight / 2;
}
parent->setVisible(true);
return parent;
}
BoardScene::BoardScene(const SLFormat::Board* inBoard, QWidget* inParent)
:QGraphicsScene(inParent), mBoard(inBoard)
{
this->setSceneRect(0, 0, mBoard->size().x, mBoard->size().y);
// background
const unsigned activeLayer = mBoard->activeLayer();
QBrush brush(gSettings().backgroundColor());
QPen pen(brush.color());
mBackground = this->addRect(this->sceneRect(), pen, brush);
// ground planes (initially invisible)
for (unsigned i = 0; i < SLFormat::Board::cNumberLayers; i++)
{
unsigned layer = gSettings().layerFromOrderNumber(i);
if (mBoard->isGroundPlaneSupported(layer))
{
QGraphicsItemGroup* plane = new QGraphicsItemGroup;
mGroundPlanes[layer] = plane;
addItem(plane);
plane->setVisible(false);
auto rect = new QGraphicsRectItem(this->sceneRect());
const QColor color = gSettings().groundPlaneLayerColor(layer);
rect->setBrush(QBrush(color));
rect->setPen(QPen(color));
plane->addToGroup(rect);
}
else
{
mGroundPlanes[layer] = nullptr;
}
}
// grid
mGrid = new BoardGrid(mBoard);
addItem(mGrid);
// layers
for (unsigned i = 0; i < SLFormat::Board::cNumberLayers; i++)
{
unsigned layer = gSettings().layerFromOrderNumber(i);
mLayerGroups[layer] = new QGraphicsItemGroup;
addItem(mLayerGroups[layer]);
}
mDrillHoles = new QGraphicsItemGroup;
addItem(mDrillHoles);
// components on layers
for (auto comp : mBoard->components())
{
ComponentItem* item = ComponentFactory::createItem(comp);
if (item)
{
unsigned layer = comp->layer();
mLayerGroups[layer]->addToGroup(item->mainItem());
if (mBoard->isGroundPlaneSupported(layer))
{
mGroundPlanes[layer]->addToGroup(item->groundPlaneItem());
}
mDrillHoles->addToGroup(item->drillItem());
}
}
// show ground plane for active layer
if (mBoard->isGroundPlaneEnabled(activeLayer))
{
assert(mGroundPlanes[activeLayer]);
mGroundPlanes[activeLayer]->setVisible(true);
}
}
