void
KnobGuiChoice::updateGUI(int /*dimension*/)
{
///we don't use setCurrentIndex because the signal emitted by combobox will call onCurrentIndexChanged and
///change the internal value of the knob again...
///The slot connected to onCurrentIndexChanged is reserved to catch user interaction with the combobox.
///This function is called in response to an internal change.
KnobChoicePtr knob = _knob.lock();
std::string activeEntry = knob->getActiveEntryText_mt_safe();
if ( !activeEntry.empty() ) {
bool activeIndexPresent = knob->isActiveEntryPresentInEntries();
if (!activeIndexPresent) {
QString error = tr("The value set to this parameter no longer exist in the menu. Right click and press Refresh Menu to update the menu and then pick a new value.");
setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, GuiUtils::convertFromPlainText(error, Qt::WhiteSpaceNormal) );
} else {
setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, QString() );
}
}
if ( _comboBox->isCascading() || activeEntry.empty() ) {
_comboBox->setCurrentIndex_no_emit( knob->getValue() );
} else {
_comboBox->setCurrentText( QString::fromUtf8( activeEntry.c_str() ) );
}
}
void
ViewerNodePrivate::swapViewerProcessInputs()
{
NodePtr viewerProcessNodesInputs[2];
for (int i = 0; i < 2; ++i) {
viewerProcessNodesInputs[i] = getInputRecursive(i);
}
NodePtr input0 = viewerProcessNodesInputs[0]->getInput(0);
NodePtr input1 = viewerProcessNodesInputs[1]->getInput(0);
viewerProcessNodesInputs[0]->swapInput(input1, 0);
viewerProcessNodesInputs[1]->swapInput(input0, 0);
try {
KnobChoicePtr aChoice = aInputNodeChoiceKnob.lock();
KnobChoicePtr bChoice = bInputNodeChoiceKnob.lock();
ChoiceOption aCurChoice = aChoice->getActiveEntry();
ChoiceOption bCurChoice = bChoice->getActiveEntry();
aChoice->blockValueChanges();
aChoice->setValueFromID(bCurChoice.id);
aChoice->unblockValueChanges();
bChoice->blockValueChanges();
bChoice->setValueFromID(aCurChoice.id);
bChoice->unblockValueChanges();
} catch (...) {
}
}
void
ViewerNodePrivate::refreshInputChoiceMenu(int internalIndex, int groupInputIndex)
{
KnobChoicePtr inputChoiceKnob = internalIndex == 0 ? aInputNodeChoiceKnob.lock() : bInputNodeChoiceKnob.lock();
assert(groupInputIndex >= 0 && groupInputIndex < _publicInterface->getMaxInputCount());
std::string groupInputID;
{
std::stringstream ss;
ss << groupInputIndex;
groupInputID = ss.str();
}
std::vector<ChoiceOption> entries = inputChoiceKnob->getEntries();
for (std::size_t i = 0; i < entries.size(); ++i) {
if (entries[i].id == groupInputID) {
inputChoiceKnob->setValue(i);
return;
}
}
// Input is no longer connected fallback on first input in the list if any, otherwise on None ("-")
inputChoiceKnob->setValue(entries.size() > 1 ? 1 : 0, ViewSetSpec::all(), DimIdx(0), eValueChangedReasonPluginEdited);
}
void
KnobGuiChoice::createWidget(QHBoxLayout* layout)
{
KnobChoicePtr knob = _knob.lock();
if (!knob) {
return;
}
KnobGuiPtr knobUI = getKnobGui();
_comboBox = new KnobComboBox( knobUI, DimIdx(0), getView(), layout->parentWidget() );
_comboBox->setCascading( knob->isCascading() );
onEntriesPopulated();
std::string textToFitHorizontally = knob->getTextToFitHorizontally();
if (!textToFitHorizontally.empty()) {
QFontMetrics fm = _comboBox->fontMetrics();
_comboBox->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
_comboBox->setFixedWidth(fm.width(QString::fromUtf8(textToFitHorizontally.c_str())) + 3 * TO_DPIX(DROP_DOWN_ICON_SIZE));
}
QObject::connect( _comboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(onCurrentIndexChanged(int)) );
QObject::connect( _comboBox, SIGNAL(itemNewSelected()), this, SLOT(onItemNewSelected()) );
///set the copy/link actions in the right click menu
KnobGuiWidgets::enableRightClickMenu(knobUI, _comboBox, DimIdx(0), getView());
layout->addWidget(_comboBox);
}
void
KnobGuiChoice::setEnabled()
{
KnobChoicePtr knob = _knob.lock();
bool b = knob->isEnabled(0) && knob->getExpression(0).empty();
_comboBox->setEnabled_natron(b);
}
bool getUseFromPoints(TimeValue time) const
{
KnobChoicePtr knob = overlayPoints.lock();
assert(knob);
return knob->getValueAtTime(time) == 1;
}
void
KnobGuiChoice::onRefreshMenuActionTriggered()
{
KnobChoicePtr knob = _knob.lock();
if (knob) {
knob->refreshMenu();
}
}
QString
KnobGuiChoice::getPixmapPathFromFilePath(const QString &filePath) const
{
KnobChoicePtr knob = _knob.lock();
if (!knob) {
return QString();
}
return getPixmapPathFromFilePath(knob->getHolder(),filePath);
}
void
KnobGuiChoice::reflectModificationsState()
{
KnobChoicePtr knob = _knob.lock();
if (!knob) {
return;
}
bool hasModif = knob->hasModifications();
_comboBox->setIsModified(hasModif);
}
void
KnobGuiChoice::onCurrentIndexChanged(int i)
{
KnobGuiPtr knobUI = getKnobGui();
knobUI->setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, QString() );
KnobChoicePtr knob = _knob.lock();
if (!knob) {
return;
}
knobUI->pushUndoCommand( new KnobUndoCommand<int>(knob, knob->getValue(DimIdx(0), getView()), i, DimIdx(0), getView()));
}
KnobGuiChoice::KnobGuiChoice(const KnobGuiPtr& knob, ViewIdx view)
: KnobGuiWidgets(knob, view)
, _comboBox(0)
{
KnobChoicePtr k = toKnobChoice(knob->getKnob());
QObject::connect( k.get(), SIGNAL(populated()), this, SLOT(onEntriesPopulated()) );
QObject::connect( k.get(), SIGNAL(entryAppended()), this, SLOT(onEntryAppended()) );
QObject::connect( k.get(), SIGNAL(entriesReset()), this, SLOT(onEntriesReset()) );
_knob = k;
}
KnobGuiChoice::KnobGuiChoice(KnobIPtr knob,
KnobGuiContainerI *container)
: KnobGui(knob, container)
, _comboBox(0)
{
KnobChoicePtr k = toKnobChoice(knob);
QObject::connect( k.get(), SIGNAL(populated()), this, SLOT(onEntriesPopulated()) );
QObject::connect( k.get(), SIGNAL(entryAppended(QString,QString)), this, SLOT(onEntryAppended(QString,QString)) );
QObject::connect( k.get(), SIGNAL(entriesReset()), this, SLOT(onEntriesReset()) );
_knob = k;
}
void
ViewerNodePrivate::setDisplayChannels(int index, bool setBoth)
{
for (int i = 0; i < 2; ++i) {
if (i == 1 && !setBoth) {
break;
}
KnobChoicePtr displayChoice = displayChannelsKnob[i].lock();
displayChoice->setValue(index);
}
}
void
ViewerNodePrivate::toggleDownscaleLevel(int index)
{
assert(index > 0);
KnobChoicePtr downscaleChoice = downscaleChoiceKnob.lock();
int curChoice_i = downscaleChoice->getValue();
if (curChoice_i != index) {
downscaleChoice->setValue(index);
} else {
// Reset back to auto
downscaleChoice->setValue(0);
}
}
void
KnobGuiChoice::onItemNewSelected()
{
KnobChoicePtr knob = _knob.lock();
if (!knob) {
return;
}
ChoiceKnobDimView::KnobChoiceNewItemCallback callback = knob->getNewOptionCallback();
if (!callback) {
return;
}
callback(knob);
}
void
ViewerNode::refreshViewsKnobVisibility()
{
KnobChoicePtr knob = _imp->activeViewKnob.lock();
if (knob) {
const std::vector<std::string>& views = getApp()->getProject()->getProjectViewNames();
std::vector<ChoiceOption> entries(views.size());
for (std::size_t i = 0; i < views.size(); ++i) {
entries[i] = ChoiceOption(views[i], "", "");
}
knob->populateChoices(entries);
knob->setInViewerContextSecret(views.size() <= 1);
}
}
void
ViewerNodeOverlay::showRightClickMenu()
{
KnobChoicePtr menu = _imp->rightClickMenu.lock();
std::vector<ChoiceOption> entries, showHideEntries;
std::vector<KnobButtonPtr> entriesButtons;
entriesButtons.push_back(_imp->rightClickToggleWipe.lock());
entriesButtons.push_back(_imp->rightClickCenterWipe.lock());
entriesButtons.push_back(_imp->centerViewerButtonKnob.lock());
entriesButtons.push_back(_imp->zoomScaleOneAction.lock());
entriesButtons.push_back(_imp->zoomInAction.lock());
entriesButtons.push_back(_imp->zoomOutAction.lock());
entriesButtons.push_back(_imp->rightClickPreviousLayer.lock());
entriesButtons.push_back(_imp->rightClickNextLayer.lock());
entriesButtons.push_back(_imp->rightClickPreviousView.lock());
entriesButtons.push_back(_imp->rightClickNextView.lock());
entriesButtons.push_back(_imp->rightClickSwitchAB.lock());
entriesButtons.push_back(_imp->rightClickShowHideOverlays.lock());
entriesButtons.push_back(_imp->enableStatsAction.lock());
for (std::size_t i = 0; i < entriesButtons.size(); ++i) {
entries.push_back(ChoiceOption(entriesButtons[i]->getName(), "", ""));
}
entries.push_back(ChoiceOption(kViewerNodeParamRightClickMenuShowHideSubMenu, "", ""));
KnobChoicePtr showHideMenu = _imp->rightClickShowHideSubMenu.lock();
showHideEntries.push_back(ChoiceOption(kViewerNodeParamRightClickMenuHideAll, "", ""));
showHideEntries.push_back(ChoiceOption(kViewerNodeParamRightClickMenuHideAllTop, "", ""));
showHideEntries.push_back(ChoiceOption(kViewerNodeParamRightClickMenuHideAllBottom, "", ""));
showHideEntries.push_back(ChoiceOption(kViewerNodeParamRightClickMenuShowHideTopToolbar, "", ""));
showHideEntries.push_back(ChoiceOption(kViewerNodeParamRightClickMenuShowHideLeftToolbar, "", ""));
showHideEntries.push_back(ChoiceOption(kViewerNodeParamRightClickMenuShowHidePlayer, "", ""));
showHideEntries.push_back(ChoiceOption(kViewerNodeParamRightClickMenuShowHideTimeline, "", ""));
showHideEntries.push_back(ChoiceOption(kViewerNodeParamRightClickMenuShowHideTabHeader, "", ""));
showHideEntries.push_back(ChoiceOption(kViewerNodeParamEnableColorPicker, "", ""));
{
std::vector<int> separators;
separators.push_back(2);
showHideMenu->setSeparators(separators);
}
showHideMenu->populateChoices(showHideEntries);
menu->populateChoices(entries);
}
void
KnobGuiChoice::reflectAnimationLevel(DimIdx /*dimension*/,
AnimationLevelEnum level)
{
KnobChoicePtr knob = _knob.lock();
if (!knob) {
return;
}
bool isEnabled = knob->isEnabled();
_comboBox->setEnabled_natron(level != eAnimationLevelExpression && isEnabled);
if ( level != (AnimationLevelEnum)_comboBox->getAnimation() ) {
_comboBox->setAnimation((int)level);
}
}
FramesNeededMap
OneViewNode::getFramesNeeded(double time,
ViewIdx /*view*/)
{
FramesNeededMap ret;
FrameRangesMap& rangeMap = ret[0];
KnobChoicePtr viewKnob = _imp->viewKnob.lock();
int view_i = viewKnob->getValue();
std::vector<RangeD>& ranges = rangeMap[ViewIdx(view_i)];
ranges.resize(1);
ranges[0].min = ranges[0].max = time;
return ret;
}
bool
OneViewNode::isIdentity(double time,
const RenderScale & /*scale*/,
const RectI & /*roi*/,
ViewIdx /*view*/,
double* inputTime,
ViewIdx* inputView,
int* inputNb)
{
KnobChoicePtr viewKnob = _imp->viewKnob.lock();
int view_i = viewKnob->getValue();
*inputView = ViewIdx(view_i);
*inputNb = 0;
*inputTime = time;
return true;
}
void
OneViewNode::initializeKnobs()
{
KnobPagePtr page = AppManager::createKnob<KnobPage>( shared_from_this(), tr("Controls") );
page->setName("controls");
KnobChoicePtr viewKnob = AppManager::createKnob<KnobChoice>( shared_from_this(), tr("View") );
viewKnob->setName("view");
viewKnob->setHintToolTip( tr("View to take from the input") );
page->addKnob(viewKnob);
const std::vector<std::string>& views = getApp()->getProject()->getProjectViewNames();
std::string currentView = viewKnob->getActiveEntryText_mt_safe();
viewKnob->populateChoices(views);
_imp->viewKnob = viewKnob;
}
void
TrackMarker::setMotionModelFromGui(int index)
{
KnobChoicePtr knob = _imp->motionModel.lock();
if (!knob) {
return;
}
KeyFrame k;
std::pair<int, KnobIPtr> master = knob->getMaster(0);
if (master.second) {
knob->unSlave(0, true);
}
knob->onValueChanged(index, ViewSpec::all(), 0, eValueChangedReasonNatronGuiEdited, &k);
if (master.second) {
master.second->cloneAndUpdateGui(knob);
knob->slaveTo(0, master.second, master.first);
}
}
void
OneViewNode::onProjectViewsChanged()
{
const std::vector<std::string>& views = getApp()->getProject()->getProjectViewNames();
KnobChoicePtr viewKnob = _imp->viewKnob.lock();
std::string currentView = viewKnob->getActiveEntryText_mt_safe();
viewKnob->populateChoices(views);
bool foundView = false;
for (std::size_t i = 0; i < views.size(); ++i) {
if (views[i] == currentView) {
foundView = true;
viewKnob->setValue(i);
break;
}
}
if (!foundView) {
viewKnob->setValue(0);
}
}
void
KnobComboBox::paintEvent(QPaintEvent* event)
{
ComboBox::paintEvent(event);
KnobChoicePtr knob = _knob.lock();
if (!knob) {
return;
}
RGBAColourD color;
if (_drawLinkedFrame) {
appPTR->getCurrentSettings()->getExprColor(&color.r, &color.g, &color.b);
color.a = 1.;
} else {
int idx = activeIndex();
if (!knob->getColorForIndex(idx, &color)) {
return;
}
}
QPainter p(this);
QPen pen;
QColor c;
c.setRgbF(Image::clamp(color.r,0.,1.),
Image::clamp(color.g,0.,1.),
Image::clamp(color.b,0.,1.));
c.setAlphaF(Image::clamp(color.a,0.,1.));
pen.setColor(c);
p.setPen(pen);
QRectF bRect = rect();
QRectF roundedRect = bRect.adjusted(1., 1., -2., -2.);
double roundPixels = 3;
QPainterPath path;
path.addRoundedRect(roundedRect, roundPixels, roundPixels);
p.drawPath(path);
} // paintEvent
void
KnobGuiChoice::onEntryAppended()
{
KnobChoicePtr knob = _knob.lock();
if (!knob) {
return;
}
std::vector<ChoiceOption> options = knob->getEntries();
for (int i = _comboBox->count(); i < (int)options.size(); ++i) {
if ( knob->getNewOptionCallback()) {
_comboBox->insertItem(_comboBox->count() - 1, QString::fromUtf8(options[i].label.c_str()), QIcon(), QKeySequence(), QString::fromUtf8(options[i].tooltip.c_str()));
} else {
_comboBox->addItem(QString::fromUtf8(options[i].label.c_str()), QIcon(), QKeySequence(), QString::fromUtf8(options[i].tooltip.c_str()));
}
}
updateGUI();
}
void
KnobGuiChoice::onEntriesPopulated()
{
KnobChoicePtr knob = _knob.lock();
_comboBox->clear();
std::vector<std::string> entries = knob->getEntries_mt_safe();
const std::vector<std::string> help = knob->getEntriesHelp_mt_safe();
std::string activeEntry = knob->getActiveEntryText_mt_safe();
for (U32 i = 0; i < entries.size(); ++i) {
std::string helpStr;
if ( !help.empty() && !help[i].empty() ) {
helpStr = help[i];
}
_comboBox->addItem( QString::fromUtf8( entries[i].c_str() ), QIcon(), QKeySequence(), QString::fromUtf8( helpStr.c_str() ) );
}
// the "New" menu is only added to known parameters (e.g. the choice of output channels)
if ( knob->getHostCanAddOptions() &&
( ( knob->getName() == kNatronOfxParamOutputChannels) || ( knob->getName() == kOutputChannelsKnobName) ) ) {
_comboBox->addItemNew();
}
///we don't use setCurrentIndex because the signal emitted by combobox will call onCurrentIndexChanged and
///we don't want that to happen because the index actually didn't change.
if ( _comboBox->isCascading() || activeEntry.empty() ) {
_comboBox->setCurrentIndex_no_emit( knob->getValue() );
} else {
_comboBox->setCurrentText_no_emit( QString::fromUtf8( activeEntry.c_str() ) );
}
if ( !activeEntry.empty() ) {
bool activeIndexPresent = knob->isActiveEntryPresentInEntries();
if (!activeIndexPresent) {
QString error = tr("The value set to this parameter no longer exist in the menu. Right click and press Refresh Menu to update the menu and then pick a new value.");
setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, GuiUtils::convertFromPlainText(error, Qt::WhiteSpaceNormal) );
} else {
setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, QString() );
}
}
}
void
KnobGuiChoice::updateGUI()
{
///we don't use setCurrentIndex because the signal emitted by combobox will call onCurrentIndexChanged and
///change the internal value of the knob again...
///The slot connected to onCurrentIndexChanged is reserved to catch user interaction with the combobox.
///This function is called in response to an internal change.
KnobChoicePtr knob = _knob.lock();
if (!knob) {
return;
}
ChoiceOption activeEntry = knob->getCurrentEntry();
QString activeEntryLabel;
if (!activeEntry.label.empty()) {
activeEntryLabel = QString::fromUtf8(activeEntry.label.c_str());
} else {
activeEntryLabel = QString::fromUtf8(activeEntry.id.c_str());
}
if ( !activeEntry.id.empty() ) {
bool activeIndexPresent = knob->isActiveEntryPresentInEntries(getView());
if (!activeIndexPresent) {
QString error = tr("The value %1 no longer exists in the menu").arg(activeEntryLabel);
getKnobGui()->setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, NATRON_NAMESPACE::convertFromPlainText(error, NATRON_NAMESPACE::WhiteSpaceNormal) );
} else {
getKnobGui()->setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, QString() );
}
}
if ( _comboBox->isCascading() || activeEntry.id.empty() ) {
_comboBox->setCurrentIndex( knob->getValue(), false );
} else {
ensureUnknownChocieIsNotInternalPlaneID(activeEntryLabel);
_comboBox->setCurrentIndexFromLabel( activeEntryLabel, false /*emitSignal*/ );
}
}
void
ViewerNodePrivate::setAlphaChannelFromLayerIfRGBA()
{
ImagePlaneDesc selectedLayer, selectedAlphaLayer, selectedDisplayLayer;
int alphaChannelIndex;
ViewerInstancePtr internalViewer = internalViewerProcessNode[0].lock()->isEffectViewerInstance();
internalViewer->getChannelOptions(_publicInterface->getTimelineCurrentTime(), &selectedLayer, &selectedAlphaLayer, &alphaChannelIndex, &selectedDisplayLayer);
// Set the alpha channel to the selected layer's alpha channel if it is not pointing to anything
if (selectedLayer.getNumComponents() == 4 && selectedAlphaLayer.getNumComponents() == 0) {
ChoiceOption newOption = selectedLayer.getChannelOption(3);
KnobChoicePtr alphaChoice = alphaChannelKnob.lock();
std::vector<ChoiceOption> options = alphaChoice->getEntries();
for (std::size_t i = 0; i < options.size(); ++i) {
if (options[i].id == newOption.id) {
alphaChoice->setValue(i);
break;
}
}
}
}
void
DiskCacheNode::initializeKnobs()
{
KnobPagePtr page = createKnob<KnobPage>("controlsPage");
page->setLabel(tr("Controls") );
KnobChoicePtr frameRange = createKnob<KnobChoice>(kDiskCacheNodeFrameRange);
frameRange->setLabel(tr(kDiskCacheNodeFrameRangeLabel) );
frameRange->setHintToolTip(tr(kDiskCacheNodeFrameRangeHint));
frameRange->setAnimationEnabled(false);
{
std::vector<ChoiceOption> choices;
choices.push_back(ChoiceOption("Input frame range", "", ""));
choices.push_back(ChoiceOption("Project frame range", "", ""));
choices.push_back(ChoiceOption("Manual","", ""));
frameRange->populateChoices(choices);
}
frameRange->setEvaluateOnChange(false);
frameRange->setDefaultValue(0);
page->addKnob(frameRange);
_imp->frameRange = frameRange;
KnobIntPtr firstFrame = createKnob<KnobInt>(kDiskCacheNodeFirstFrame);
firstFrame->setLabel(tr(kDiskCacheNodeFirstFrameLabel) );
firstFrame->setHintToolTip(tr(kDiskCacheNodeFirstFrameHint));
firstFrame->setAnimationEnabled(false);
firstFrame->disableSlider();
firstFrame->setEvaluateOnChange(false);
firstFrame->setAddNewLine(false);
firstFrame->setDefaultValue(1);
firstFrame->setSecret(true);
page->addKnob(firstFrame);
_imp->firstFrame = firstFrame;
KnobIntPtr lastFrame = createKnob<KnobInt>(kDiskCacheNodeLastFrame);
lastFrame->setAnimationEnabled(false);
lastFrame->setLabel(tr(kDiskCacheNodeLastFrameLabel));
lastFrame->setHintToolTip(tr(kDiskCacheNodeLastFrameHint));
lastFrame->disableSlider();
lastFrame->setEvaluateOnChange(false);
lastFrame->setDefaultValue(100);
lastFrame->setSecret(true);
page->addKnob(lastFrame);
_imp->lastFrame = lastFrame;
KnobButtonPtr preRender = createKnob<KnobButton>("preRender");
preRender->setLabel(tr("Pre-cache"));
preRender->setEvaluateOnChange(false);
preRender->setHintToolTip( tr("Cache the frame range specified by rendering images at zoom-level 100% only.") );
page->addKnob(preRender);
_imp->preRender = preRender;
}
void
DiskCacheNode::initializeKnobs()
{
KnobPagePtr page = AppManager::createKnob<KnobPage>( shared_from_this(), tr("Controls") );
KnobChoicePtr frameRange = AppManager::createKnob<KnobChoice>( shared_from_this(), tr("Frame range") );
frameRange->setName("frameRange");
frameRange->setAnimationEnabled(false);
std::vector<std::string> choices;
choices.push_back("Input frame range");
choices.push_back("Project frame range");
choices.push_back("Manual");
frameRange->populateChoices(choices);
frameRange->setEvaluateOnChange(false);
frameRange->setDefaultValue(0);
page->addKnob(frameRange);
_imp->frameRange = frameRange;
KnobIntPtr firstFrame = AppManager::createKnob<KnobInt>( shared_from_this(), tr("First Frame") );
firstFrame->setAnimationEnabled(false);
firstFrame->setName("firstFrame");
firstFrame->disableSlider();
firstFrame->setEvaluateOnChange(false);
firstFrame->setAddNewLine(false);
firstFrame->setDefaultValue(1);
firstFrame->setSecret(true);
page->addKnob(firstFrame);
_imp->firstFrame = firstFrame;
KnobIntPtr lastFrame = AppManager::createKnob<KnobInt>( shared_from_this(), tr("Last Frame") );
lastFrame->setAnimationEnabled(false);
lastFrame->setName("LastFrame");
lastFrame->disableSlider();
lastFrame->setEvaluateOnChange(false);
lastFrame->setDefaultValue(100);
lastFrame->setSecret(true);
page->addKnob(lastFrame);
_imp->lastFrame = lastFrame;
KnobButtonPtr preRender = AppManager::createKnob<KnobButton>( shared_from_this(), tr("Pre-cache") );
preRender->setName("preRender");
preRender->setEvaluateOnChange(false);
preRender->setHintToolTip( tr("Cache the frame range specified by rendering images at zoom-level 100% only.") );
page->addKnob(preRender);
_imp->preRender = preRender;
}