mirror of https://github.com/AxioDL/amuse.git
295 lines
9.4 KiB
C++
295 lines
9.4 KiB
C++
#include "CurveEditor.hpp"
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#include <algorithm>
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#include <array>
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#include "MainWindow.hpp"
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#include <QGridLayout>
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#include <QHBoxLayout>
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#include <QJSValueIterator>
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#include <QMouseEvent>
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#include <QPainter>
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class CurveEditUndoCommand : public EditorUndoCommand {
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public:
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using RedoData = std::array<uint8_t, 128>;
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using UndoData = std::array<uint8_t, 128>;
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CurveEditUndoCommand(const RedoData& redoData, bool usedExpr, amuse::ObjToken<ProjectModel::CurveNode> node)
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: EditorUndoCommand(node.get(), CurveControls::tr("Edit Curve")), m_redoData{redoData}, m_usedExpr(usedExpr) {}
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void undo() override {
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m_undid = true;
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amuse::ITable& table = **m_node.cast<ProjectModel::CurveNode>()->m_obj;
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if (table.Isa() == amuse::ITable::Type::Curve) {
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auto& curve = static_cast<amuse::Curve&>(table);
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curve.data.assign(m_undoData.cbegin(), m_undoData.cend());
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}
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EditorUndoCommand::undo();
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}
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void redo() override {
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amuse::ITable& table = **m_node.cast<ProjectModel::CurveNode>()->m_obj;
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if (table.Isa() == amuse::ITable::Type::Curve) {
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auto& curve = static_cast<amuse::Curve&>(table);
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curve.data.resize(128);
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std::copy(curve.data.cbegin(), curve.data.cend(), m_undoData.begin());
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curve.data.assign(m_redoData.cbegin(), m_redoData.cend());
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}
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if (m_undid) {
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EditorUndoCommand::redo();
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}
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}
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bool mergeWith(const QUndoCommand* other) override {
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const auto* const command = static_cast<const CurveEditUndoCommand*>(other);
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if (other->id() == id() && !m_usedExpr && !command->m_usedExpr) {
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m_redoData = command->m_redoData;
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return true;
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}
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return false;
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}
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int id() const override { return int(Id::CurveEdit); }
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private:
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RedoData m_redoData;
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UndoData m_undoData;
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bool m_usedExpr;
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bool m_undid = false;
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};
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CurveEditor* CurveView::getEditor() const { return qobject_cast<CurveEditor*>(parentWidget()); }
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void CurveView::loadData(ProjectModel::CurveNode* node) { m_node = node; }
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void CurveView::unloadData() { m_node.reset(); }
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ProjectModel::INode* CurveView::currentNode() const { return m_node.get(); }
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void CurveView::paintEvent(QPaintEvent* ev) {
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if (!m_node) {
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return;
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}
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amuse::ITable& table = **m_node->m_obj;
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if (table.Isa() != amuse::ITable::Type::Curve) {
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return;
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}
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auto& curve = static_cast<amuse::Curve&>(table);
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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const qreal deviceRatio = devicePixelRatioF();
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const qreal penWidth = std::max(std::floor(deviceRatio), 1.0) / deviceRatio;
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painter.setPen(QPen(QColor(127, 127, 127), penWidth));
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painter.setFont(m_gridFont);
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const qreal yIncrement = (height() - 16.0) / 10.0;
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for (size_t i = 0; i < m_percentTexts.size(); ++i) {
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const qreal thisY = i * yIncrement;
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const qreal textY = thisY - (i == 0 ? 2.0 : (i == 10 ? 16.0 : 8.0));
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painter.drawStaticText(QPointF(0.0, textY), m_percentTexts[i]);
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painter.drawLine(QPointF(30.0, thisY), QPointF(width(), thisY));
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}
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qreal xIncrement = (width() - 30.0) / 10.0;
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for (size_t i = 0; i < m_percentTextsCenter.size(); ++i) {
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const qreal thisX = i * xIncrement + 30.0;
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const qreal textX = thisX - (i == 10 ? 30.0 : 15.0);
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painter.drawStaticText(QPointF(textX, height() - 16.0), m_percentTextsCenter[i]);
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painter.drawLine(QPointF(thisX, 0.0), QPointF(thisX, height() - 16.0));
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}
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size_t i;
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xIncrement = (width() - 30.0) / 127.0;
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QPointF lastPt;
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painter.setPen(QPen(Qt::white, penWidth * 3.0));
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for (i = 0; i < curve.data.size(); ++i) {
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const QPointF thisPt(i * xIncrement + 30.0, (height() - 16.0) - (height() - 16.0) * (curve.data[i] / 127.0));
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if (i != 0) {
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painter.drawLine(lastPt, thisPt);
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}
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lastPt = thisPt;
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}
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for (; i < 128; ++i) {
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const QPointF thisPt(i * xIncrement + 30.0, height() - 16.0);
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if (i != 0) {
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painter.drawLine(lastPt, thisPt);
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}
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lastPt = thisPt;
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}
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}
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void CurveView::mousePressEvent(QMouseEvent* ev) { mouseMoveEvent(ev); }
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void CurveView::mouseMoveEvent(QMouseEvent* ev) {
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CurveView* view = getEditor()->m_curveView;
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amuse::ITable& table = **view->m_node->m_obj;
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if (table.Isa() != amuse::ITable::Type::Curve) {
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return;
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}
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const qreal xIncrement = (width() - 30.0) / 127.0;
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const int idx = int(std::round((ev->localPos().x() - 30.0) / xIncrement));
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if (idx < 0 || idx > 127) {
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return;
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}
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const int val = 127 - amuse::clamp(0, int(std::round(ev->localPos().y() / (height() - 16.0) * 127.0)), 127);
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CurveEditUndoCommand::RedoData newData;
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auto& curve = static_cast<amuse::Curve&>(table);
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curve.data.resize(newData.size());
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std::copy(curve.data.cbegin(), curve.data.cend(), newData.begin());
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newData[idx] = uint8_t(val);
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g_MainWindow->pushUndoCommand(new CurveEditUndoCommand(newData, false, m_node));
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update();
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}
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CurveView::CurveView(QWidget* parent) : QWidget(parent) {
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for (size_t i = 0; i < m_percentTexts.size(); ++i) {
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m_percentTexts[i].setText(QStringLiteral("%1%").arg(100 - i * 10));
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m_percentTexts[i].setTextOption(QTextOption(Qt::AlignVCenter | Qt::AlignRight));
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m_percentTexts[i].setTextWidth(28.0);
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m_percentTextsCenter[i].setText(QStringLiteral("%1%").arg(i * 10));
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m_percentTextsCenter[i].setTextOption(QTextOption(Qt::AlignBaseline | Qt::AlignCenter));
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m_percentTextsCenter[i].setTextWidth(28.0);
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}
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m_gridFont.setPointSize(8);
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}
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CurveEditor* CurveControls::getEditor() const { return qobject_cast<CurveEditor*>(parentWidget()); }
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void CurveControls::loadData() {
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m_lineEdit->setDisabled(false);
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m_setExpr->setDisabled(false);
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}
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void CurveControls::unloadData() {
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m_lineEdit->setDisabled(true);
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m_setExpr->setDisabled(true);
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}
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void CurveControls::exprCommit() {
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CurveView* view = getEditor()->m_curveView;
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amuse::ITable& table = **view->m_node->m_obj;
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if (table.Isa() != amuse::ITable::Type::Curve) {
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return;
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}
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const QString progText = m_lineEdit->text();
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CurveEditUndoCommand::RedoData newData;
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auto& curve = static_cast<amuse::Curve&>(table);
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curve.data.resize(newData.size());
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std::copy(curve.data.cbegin(), curve.data.cend(), newData.begin());
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bool notANumber = false;
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for (size_t i = 0; i < newData.size(); ++i) {
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m_engine.globalObject().setProperty(QStringLiteral("x"), i / 127.0);
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QJSValue val = m_engine.evaluate(progText);
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if (val.isError()) {
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m_errLabel->setText(val.toString());
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return;
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} else if (val.isNumber()) {
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newData[i] = uint8_t(amuse::clamp(0, int(std::round(val.toNumber() * 127.0)), 127));
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} else {
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notANumber = true;
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newData[i] = 0;
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}
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}
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if (notANumber)
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m_errLabel->setText(tr("Did not evaluate as a number"));
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g_MainWindow->pushUndoCommand(new CurveEditUndoCommand(newData, true, view->m_node));
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view->update();
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}
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void CurveControls::resizeEvent(QResizeEvent* ev) { m_errLabel->setGeometry(22, 78, width() - 44, 14); }
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CurveControls::CurveControls(QWidget* parent) : QFrame(parent) {
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setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
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setFixedHeight(100);
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setFrameShape(QFrame::StyledPanel);
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setFrameShadow(QFrame::Sunken);
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setBackgroundRole(QPalette::Base);
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setAutoFillBackground(true);
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QHBoxLayout* mainLayout = new QHBoxLayout;
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QGridLayout* leftLayout = new QGridLayout;
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leftLayout->addWidget(new QLabel(tr("Expression")), 0, 0);
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m_lineEdit = new QLineEdit;
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m_lineEdit->setDisabled(true);
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QPalette palette = m_lineEdit->palette();
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palette.setColor(QPalette::Base, palette.color(QPalette::Window));
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m_lineEdit->setPalette(palette);
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connect(m_lineEdit, &QLineEdit::returnPressed, this, &CurveControls::exprCommit);
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leftLayout->addWidget(m_lineEdit, 1, 0);
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m_setExpr = new QPushButton(tr("Apply"));
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m_setExpr->setDisabled(true);
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connect(m_setExpr, &QPushButton::clicked, this, &CurveControls::exprCommit);
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leftLayout->addWidget(m_setExpr, 1, 1);
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m_errLabel = new QLabel(this);
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QFont font = m_errLabel->font();
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font.setPointSize(8);
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m_errLabel->setFont(font);
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palette.setColor(QPalette::Text, Qt::red);
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m_errLabel->setPalette(palette);
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leftLayout->setColumnMinimumWidth(0, 500);
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leftLayout->setColumnStretch(0, 1);
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leftLayout->setColumnMinimumWidth(1, 75);
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leftLayout->setColumnStretch(1, 0);
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leftLayout->setRowMinimumHeight(0, 22);
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leftLayout->setRowMinimumHeight(1, 37);
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leftLayout->setContentsMargins(10, 6, 10, 14);
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mainLayout->addLayout(leftLayout);
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setLayout(mainLayout);
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QJSValueIterator it(m_engine.globalObject().property(QStringLiteral("Math")));
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QString docStr =
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tr("Expression interpreter mapping x:[0,1] to y:[0,1] with the following constants and functions available:\n");
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bool needsComma = false;
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while (it.hasNext()) {
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it.next();
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m_engine.globalObject().setProperty(it.name(), it.value());
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if (needsComma)
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docStr += QStringLiteral(", ");
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needsComma = true;
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docStr += it.name();
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}
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m_lineEdit->setToolTip(docStr);
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}
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bool CurveEditor::loadData(ProjectModel::CurveNode* node) {
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m_curveView->loadData(node);
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m_controls->loadData();
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return true;
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}
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void CurveEditor::unloadData() {
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m_curveView->unloadData();
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m_controls->unloadData();
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}
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ProjectModel::INode* CurveEditor::currentNode() const { return m_curveView->currentNode(); }
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CurveEditor::CurveEditor(QWidget* parent)
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: EditorWidget(parent), m_curveView(new CurveView), m_controls(new CurveControls) {
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QVBoxLayout* layout = new QVBoxLayout;
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layout->setContentsMargins(QMargins());
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layout->setSpacing(1);
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layout->addWidget(m_curveView);
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layout->addWidget(m_controls);
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setLayout(layout);
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}
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