115 lines
2.8 KiB
C++
115 lines
2.8 KiB
C++
#include "nodeviewcontext.h"
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#include <QBrush>
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#include <QCoreApplication>
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#include <QGraphicsScene>
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#include <QPen>
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#include <QStyleOptionGraphicsItem>
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#include "node/block/block.h"
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#include "node/output/track/track.h"
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#include "nodeviewitem.h"
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#include "ui/colorcoding.h"
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namespace olive {
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#define super QGraphicsRectItem
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NodeViewContext::NodeViewContext(QGraphicsItem *item) :
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super(item)
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{
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setFlag(ItemIsMovable);
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setFlag(ItemIsSelectable);
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// Set default label text
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SetContext(nullptr);
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}
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void NodeViewContext::SetContext(Node *node)
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{
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context_ = node;
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if (context_) {
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if (Block *block = dynamic_cast<Block*>(node)) {
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lbl_ = QCoreApplication::translate("NodeViewContext",
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"%1 [%2] :: %3 - %4").arg(block->GetLabelAndName(),
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Track::Reference::TypeToTranslatedString(block->track()->type()),
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block->in().toString(),
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block->out().toString());
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} else {
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lbl_ = node->GetLabelAndName();
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}
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Color c = node->color();
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setPen(QPen(c.toQColor(), 2));
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c.set_alpha(0.5f);
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setBrush(c.toQColor());
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} else {
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lbl_ = QCoreApplication::translate("NodeViewContext", "(None)");
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}
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}
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void NodeViewContext::AddChild(Node *node)
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{
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NodeViewItem *item = new NodeViewItem(this);
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item->SetNode(node);
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}
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qreal GetTextOffset(const QFontMetricsF &fm)
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{
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return fm.height()/2;
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}
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void NodeViewContext::UpdateRect()
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{
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QFont f;
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QFontMetricsF fm(f);
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qreal lbl_offset = GetTextOffset(fm);
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QRectF rect = childrenBoundingRect();
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int pad = NodeViewItem::DefaultItemHeight();
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rect.adjust(-pad, - lbl_offset*2 - fm.height() - pad, pad, pad);
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setRect(rect);
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}
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void NodeViewContext::SetFlowDirection(NodeViewCommon::FlowDirection dir)
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{
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auto children = childItems();
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foreach (auto child, children) {
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if (NodeViewItem *item = dynamic_cast<NodeViewItem*>(child)) {
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item->SetFlowDirection(dir);
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}
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}
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}
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void NodeViewContext::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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QPen p = pen();
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if (option->state & QStyle::State_Selected) {
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p.setStyle(Qt::DotLine);
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}
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painter->setPen(p);
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painter->setBrush(brush());
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int rounded = painter->fontMetrics().height();
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painter->drawRoundedRect(rect(), rounded, rounded);
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painter->setPen(context_ ? ColorCoding::GetUISelectorColor(context_->color()) : Qt::white);
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int offset = GetTextOffset(painter->fontMetrics());
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QRectF text_rect = rect();
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text_rect.adjust(offset, offset, -offset, -offset);
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painter->drawText(text_rect, lbl_);
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}
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QVariant NodeViewContext::itemChange(GraphicsItemChange change, const QVariant &value)
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{
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return super::itemChange(change, value);
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}
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}
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