/
NodeGui.cpp
4201 lines (3652 loc) · 126 KB
/
NodeGui.cpp
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/* ***** BEGIN LICENSE BLOCK *****
* This file is part of Natron <https://natrongithub.github.io/>,
* (C) 2018-2021 The Natron developers
* (C) 2013-2018 INRIA and Alexandre Gauthier-Foichat
*
* Natron is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Natron is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Natron. If not, see <http://www.gnu.org/licenses/gpl-2.0.html>
* ***** END LICENSE BLOCK ***** */
// ***** BEGIN PYTHON BLOCK *****
// from <https://docs.python.org/3/c-api/intro.html#include-files>:
// "Since Python may define some pre-processor definitions which affect the standard headers on some systems, you must include Python.h before any standard headers are included."
#include <Python.h>
// ***** END PYTHON BLOCK *****
#include "NodeGui.h"
#include <cassert>
#include <algorithm> // min, max
#include <stdexcept>
#include <boost/scoped_array.hpp>
CLANG_DIAG_OFF(deprecated)
CLANG_DIAG_OFF(uninitialized)
#include <QtCore/QDebug>
#include <QLayout>
#include <QAction>
#include <QtCore/QThread>
#include <QFontMetrics>
#include <QTextBlockFormat>
#include <QTextCursor>
#include <QGridLayout>
#include <QCursor>
#include <QtCore/QFile>
#include <QApplication>
CLANG_DIAG_ON(deprecated)
CLANG_DIAG_ON(uninitialized)
#include <ofxNatron.h>
#include "Engine/Backdrop.h"
#include "Engine/Image.h"
#include "Engine/Knob.h"
#include "Engine/MergingEnum.h"
#include "Engine/Node.h"
#include "Engine/NodeGroup.h"
#include "Engine/GroupInput.h"
#include "Engine/GroupOutput.h"
#include "Engine/NodeSerialization.h"
#include "Engine/OfxEffectInstance.h"
#include "Engine/OfxImageEffectInstance.h"
#include "Engine/PyNode.h"
#include "Engine/PyParameter.h"
#include "Engine/Plugin.h"
#include "Engine/Project.h"
#include "Engine/RotoLayer.h"
#include "Engine/Settings.h"
#include "Engine/Utils.h" // convertFromPlainText
#include "Engine/ViewerInstance.h"
#include "Gui/ActionShortcuts.h"
#include "Gui/BackdropGui.h"
#include "Gui/Button.h"
#include "Gui/CurveEditor.h"
#include "Gui/HostOverlay.h"
#include "Gui/DockablePanel.h"
#include "Gui/DopeSheetEditor.h"
#include "Gui/Edge.h"
#include "Gui/Gui.h"
#include "Gui/GuiAppInstance.h"
#include "Gui/GuiApplicationManager.h"
#include "Gui/GuiDefines.h"
#include "Gui/KnobGui.h"
#include "Gui/KnobGuiString.h"
#include "Gui/QtEnumConvert.h"
#include "Gui/Label.h"
#include "Gui/LineEdit.h"
#include "Gui/MultiInstancePanel.h"
#include "Gui/Menu.h"
#include "Gui/NodeClipBoard.h"
#include "Gui/NodeGraph.h"
#include "Gui/NodeGraphUndoRedo.h"
#include "Gui/NodeGuiSerialization.h"
#include "Gui/NodeGraphTextItem.h"
#include "Gui/NodeGraphRectItem.h"
#include "Gui/NodeSettingsPanel.h"
#include "Gui/PreviewThread.h"
#include "Gui/PythonPanels.h"
#include "Gui/SequenceFileDialog.h"
#include "Gui/SequenceFileDialog.h"
#include "Gui/SpinBox.h"
#include "Gui/ViewerGL.h"
#include "Gui/ViewerTab.h"
#define NATRON_STATE_INDICATOR_OFFSET 5
#define NATRON_EDGE_DROP_TOLERANCE 15
#define NATRON_MAGNETIC_GRID_GRIP_TOLERANCE 20
#define NATRON_MAGNETIC_GRID_RELEASE_DISTANCE 30
#define NATRON_ELLIPSE_WARN_DIAMETER 10
#define NATRON_PLUGIN_ICON_SIZE 20
#define PLUGIN_ICON_OFFSET 2
NATRON_NAMESPACE_ENTER
using std::make_pair;
#ifndef M_PI
#define M_PI 3.14159265358979323846264338327950288 /* pi */
#define M_PI_2 1.57079632679489661923132169163975144 /* pi/2 */
#endif
static void
replaceLineBreaksWithHtmlParagraph(QString &txt)
{
txt.replace( QString::fromUtf8("\n"), QString::fromUtf8("<br />") );
}
static void
getPixmapForMergeOperator(const QString& op,
QPixmap* pix)
{
std::string opstd = op.toStdString();
for (int i = 0; i <= (int)eMergeXOR; ++i) {
std::string opStr = Merge::getOperatorString( (MergingFunctionEnum)i );
if (opStr == opstd) {
PixmapEnum pixEnum = Merge::getOperatorPixmap( (MergingFunctionEnum)i );
appPTR->getIcon(pixEnum, TO_DPIX(NATRON_PLUGIN_ICON_SIZE), pix);
return;
}
}
}
NodeGui::NodeGui(QGraphicsItem *parent)
: QObject()
, QGraphicsItem(parent)
, _graph(NULL)
, _internalNode()
, _selected(false)
, _settingNameFromGui(false)
, _panelOpenedBeforeDeactivate(false)
, _pluginIcon(NULL)
, _pluginIconFrame(NULL)
, _presetIcon(NULL)
, _nameItem(NULL)
, _nameFrame(NULL)
, _resizeHandle(NULL)
, _boundingBox(NULL)
, _channelsPixmap(NULL)
, _previewPixmap(NULL)
, _previewDataMutex()
, _previewData( NATRON_PREVIEW_HEIGHT * NATRON_PREVIEW_WIDTH * sizeof(unsigned int) )
, _previewW(NATRON_PREVIEW_WIDTH)
, _previewH(NATRON_PREVIEW_HEIGHT)
, _persistentMessage(NULL)
, _stateIndicator(NULL)
, _mergeHintActive(false)
, _streamIssuesWarning()
, _disabledTopLeftBtmRight(NULL)
, _disabledBtmLeftTopRight(NULL)
, _inputEdges()
, _outputEdge(NULL)
, _settingsPanel(NULL)
, _mainInstancePanel(NULL)
, _panelCreated(false)
, _currentColorMutex()
, _currentColor()
, _clonedColor()
, _wasBeginEditCalled(false)
, positionMutex()
, _slaveMasterLink(NULL)
, _masterNodeGui()
, _knobsLinks()
, _expressionIndicator()
, _magnecEnabled()
, _magnecDistance()
, _updateDistanceSinceLastMagnec()
, _distanceSinceLastMagnec()
, _magnecStartingPos()
, _nodeLabel()
, _parentMultiInstance()
, _mtSafeSizeMutex()
, _mtSafeWidth(0)
, _mtSafeHeight(0)
, _hostOverlay()
, _undoStack( new QUndoStack() )
, _overlayLocked(false)
, _availableViewsIndicator()
, _passThroughIndicator()
, identityStateSet(false)
{
}
NodeGui::~NodeGui()
{
}
void
NodeGui::initialize(NodeGraph* dag,
const NodePtr & internalNode)
{
_internalNode = internalNode;
assert(internalNode);
_graph = dag;
NodeGuiPtr thisAsShared = shared_from_this();
internalNode->setNodeGuiPointer(thisAsShared);
QObject::connect( internalNode.get(), SIGNAL(labelChanged(QString)), this, SLOT(onInternalNameChanged(QString)) );
QObject::connect( internalNode.get(), SIGNAL(refreshEdgesGUI()), this, SLOT(refreshEdges()) );
QObject::connect( internalNode.get(), SIGNAL(knobsInitialized()), this, SLOT(initializeKnobs()) );
QObject::connect( internalNode.get(), SIGNAL(inputsInitialized()), this, SLOT(initializeInputs()) );
QObject::connect( internalNode.get(), SIGNAL(previewImageChanged(double)), this, SLOT(updatePreviewImage(double)) );
QObject::connect( internalNode.get(), SIGNAL(previewRefreshRequested(double)), this, SLOT(forceComputePreview(double)) );
QObject::connect( internalNode.get(), SIGNAL(deactivated(bool)), this, SLOT(deactivate(bool)) );
QObject::connect( internalNode.get(), SIGNAL(activated(bool)), this, SLOT(activate(bool)) );
QObject::connect( internalNode.get(), SIGNAL(inputChanged(int)), this, SLOT(connectEdge(int)) );
QObject::connect( internalNode.get(), SIGNAL(persistentMessageChanged()), this, SLOT(onPersistentMessageChanged()) );
QObject::connect( internalNode.get(), SIGNAL(allKnobsSlaved(bool)), this, SLOT(onAllKnobsSlaved(bool)) );
QObject::connect( internalNode.get(), SIGNAL(knobsLinksChanged()), this, SLOT(onKnobsLinksChanged()) );
QObject::connect( internalNode.get(), SIGNAL(outputsChanged()), this, SLOT(refreshOutputEdgeVisibility()) );
QObject::connect( internalNode.get(), SIGNAL(previewKnobToggled()), this, SLOT(onPreviewKnobToggled()) );
QObject::connect( internalNode.get(), SIGNAL(disabledKnobToggled(bool)), this, SLOT(onDisabledKnobToggled(bool)) );
QObject::connect( internalNode.get(), SIGNAL(streamWarningsChanged()), this, SLOT(onStreamWarningsChanged()) );
QObject::connect( internalNode.get(), SIGNAL(nodeExtraLabelChanged(QString)), this, SLOT(refreshNodeText(QString)) );
QObject::connect( internalNode.get(), SIGNAL(outputLayerChanged()), this, SLOT(onOutputLayerChanged()) );
QObject::connect( internalNode.get(), SIGNAL(hideInputsKnobChanged(bool)), this, SLOT(onHideInputsKnobValueChanged(bool)) );
QObject::connect( internalNode.get(), SIGNAL(availableViewsChanged()), this, SLOT(onAvailableViewsChanged()) );
QObject::connect( internalNode.get(), SIGNAL(rightClickMenuKnobPopulated()), this, SLOT(onRightClickMenuKnobPopulated()) );
QObject::connect( internalNode.get(), SIGNAL(inputEdgeLabelChanged(int, QString)), this, SLOT(onInputLabelChanged(int,QString)) );
QObject::connect( internalNode.get(), SIGNAL(inputVisibilityChanged(int)), this, SLOT(onInputVisibilityChanged(int)) );
QObject::connect( this, SIGNAL(previewImageComputed()), this, SLOT(onPreviewImageComputed()) );
setCacheMode(DeviceCoordinateCache);
OutputEffectInstance* isOutput = dynamic_cast<OutputEffectInstance*>( internalNode->getEffectInstance().get() );
if (isOutput) {
QObject::connect ( isOutput->getRenderEngine().get(), SIGNAL(refreshAllKnobs()), _graph, SLOT(refreshAllKnobsGui()) );
}
InspectorNode* isInspector = dynamic_cast<InspectorNode*>( internalNode.get() );
if (isInspector) {
QObject::connect( isInspector, SIGNAL(refreshOptionalState()), this, SLOT(refreshDashedStateOfEdges()) );
}
createGui();
NodePtr parent = internalNode->getParentMultiInstance();
if (parent) {
NodeGuiIPtr parentNodeGui_i = parent->getNodeGui();
NodeGui* parentGui = dynamic_cast<NodeGui*>( parentNodeGui_i.get() );
assert(parentGui);
if ( parentGui && parentGui->isSettingsPanelVisible() ) {
ensurePanelCreated();
MultiInstancePanelPtr panel = parentGui->getMultiInstancePanel();
assert(panel);
panel->onChildCreated(internalNode);
}
} else if ( internalNode->getEffectInstance()->isBuiltinTrackerNode() ) {
ensurePanelCreated();
}
//Refresh the merge operator icon
if (internalNode->getPluginID() == PLUGINID_OFX_MERGE) {
KnobIPtr knob = internalNode->getKnobByName(kNatronOfxParamStringSublabelName);
assert(knob);
KnobString* strKnob = dynamic_cast<KnobString*>( knob.get() );
if (strKnob) {
refreshNodeText( QString::fromUtf8( strKnob->getValue().c_str() ) );
}
}
if ( internalNode->makePreviewByDefault() ) {
///It calls resize
togglePreview_internal(false);
} else {
int w, h;
getInitialSize(&w, &h);
resize(w, h);
}
_clonedColor.setRgb(200, 70, 100);
///Make the output edge
EffectInstancePtr iseffect = internalNode->getEffectInstance();
Backdrop* isBd = dynamic_cast<Backdrop*>( iseffect.get() );
if ( !isBd && !internalNode->isOutputNode() ) {
_outputEdge = new Edge( thisAsShared, parentItem() );
}
restoreStateAfterCreation();
///Link the position of the node to the position of the parent multi-instance
const std::string parentMultiInstanceName = internalNode->getParentMultiInstanceName();
if ( !parentMultiInstanceName.empty() ) {
NodePtr parentNode = internalNode->getGroup()->getNodeByName(parentMultiInstanceName);
NodeGuiIPtr parentNodeGui_I = parentNode->getNodeGui();
assert(parentNode && parentNodeGui_I);
NodeGui* parentNodeGui = dynamic_cast<NodeGui*>( parentNodeGui_I.get() );
assert(parentNodeGui);
QObject::connect( parentNodeGui, SIGNAL(positionChanged(int,int)), this, SLOT(onParentMultiInstancePositionChanged(int,int)) );
QPointF p = parentNodeGui->pos();
refreshPosition(p.x(), p.y(), true);
}
if (internalNode) {
internalNode->initializeHostOverlays();
}
} // initialize
bool
NodeGui::getColorFromGrouping(QColor* color)
{
NodePtr internalNode = getNode();
if (!internalNode) {
return false;
}
EffectInstancePtr iseffect = internalNode->getEffectInstance();
if (!iseffect) {
return false;
}
SettingsPtr settings = appPTR->getCurrentSettings();
float r, g, b;
Backdrop* isBd = dynamic_cast<Backdrop*>( iseffect.get() );
std::list<std::string> grouping;
internalNode->getPluginGrouping(&grouping);
std::string majGroup = grouping.empty() ? "" : grouping.front();
if ( iseffect->isReader() ) {
settings->getReaderColor(&r, &g, &b);
} else if (isBd) {
settings->getDefaultBackdropColor(&r, &g, &b);
} else if ( iseffect->isWriter() ) {
settings->getWriterColor(&r, &g, &b);
} else if ( iseffect->isGenerator() ) {
settings->getGeneratorColor(&r, &g, &b);
} else if (majGroup == PLUGIN_GROUP_COLOR) {
settings->getColorGroupColor(&r, &g, &b);
} else if (majGroup == PLUGIN_GROUP_FILTER) {
settings->getFilterGroupColor(&r, &g, &b);
} else if (majGroup == PLUGIN_GROUP_CHANNEL) {
settings->getChannelGroupColor(&r, &g, &b);
} else if (majGroup == PLUGIN_GROUP_KEYER) {
settings->getKeyerGroupColor(&r, &g, &b);
} else if (majGroup == PLUGIN_GROUP_MERGE) {
settings->getMergeGroupColor(&r, &g, &b);
} else if (majGroup == PLUGIN_GROUP_PAINT) {
settings->getDrawGroupColor(&r, &g, &b);
} else if (majGroup == PLUGIN_GROUP_TIME) {
settings->getTimeGroupColor(&r, &g, &b);
} else if (majGroup == PLUGIN_GROUP_TRANSFORM) {
settings->getTransformGroupColor(&r, &g, &b);
} else if (majGroup == PLUGIN_GROUP_MULTIVIEW) {
settings->getViewsGroupColor(&r, &g, &b);
} else if (majGroup == PLUGIN_GROUP_DEEP) {
settings->getDeepGroupColor(&r, &g, &b);
} else {
settings->getDefaultNodeColor(&r, &g, &b);
}
color->setRgbF( Image::clamp<qreal>(r, 0., 1.),
Image::clamp<qreal>(g, 0., 1.),
Image::clamp<qreal>(b, 0., 1.) );
return true;
}
void
NodeGui::restoreStateAfterCreation()
{
NodePtr internalNode = getNode();
if (!internalNode) {
return;
}
///Refresh the disabled knob
QColor color;
if ( getColorFromGrouping(&color) ) {
setCurrentColor(color);
}
KnobBoolPtr disabledknob = internalNode->getDisabledKnob();
if ( disabledknob && disabledknob->getValue() ) {
onDisabledKnobToggled(true);
}
if ( !internalNode->isMultiInstance() ) {
_nodeLabel = QString::fromUtf8( internalNode->getNodeExtraLabel().c_str() );
replaceLineBreaksWithHtmlParagraph(_nodeLabel);
}
///Refresh the name in the line edit
onInternalNameChanged( QString::fromUtf8( internalNode->getLabel().c_str() ) );
onOutputLayerChanged();
internalNode->refreshIdentityState();
onPersistentMessageChanged();
onKnobsLinksChanged();
}
void
NodeGui::ensurePanelCreated(bool minimized, bool hideUnmodified)
{
if (_panelCreated) {
return;
}
_panelCreated = true;
Gui* gui = getDagGui()->getGui();
QVBoxLayout* propsLayout = gui->getPropertiesLayout();
assert(propsLayout);
NodeGuiPtr thisShared = shared_from_this();
_settingsPanel = createPanel(propsLayout, thisShared);
initializeKnobs();
beginEditKnobs();
if (_settingsPanel) {
QObject::connect( _settingsPanel, SIGNAL(nameChanged(QString)), this, SLOT(setName(QString)) );
QObject::connect( _settingsPanel, SIGNAL(closeChanged(bool)), this, SLOT(onSettingsPanelClosed(bool)) );
QObject::connect( _settingsPanel, SIGNAL(colorChanged(QColor)), this, SLOT(onSettingsPanelColorChanged(QColor)) );
_graph->getGui()->setNodeViewerInterface(thisShared);
}
gui->addNodeGuiToCurveEditor(thisShared);
gui->addNodeGuiToDopeSheetEditor(thisShared);
//Ensure panel for all children if multi-instance
MultiInstancePanelPtr panel = getMultiInstancePanel();
if (_mainInstancePanel && panel) {
panel->setRedrawOnSelectionChanged(false);
/*
* If there are many children, each children may request for a redraw of the viewer which may
* very well freeze the UI.
* We just do one redraw when all children are created
*/
NodesList children;
NodePtr internalNode = getNode();
if (internalNode) {
internalNode->getChildrenMultiInstance(&children);
}
for (NodesList::iterator it = children.begin(); it != children.end(); ++it) {
NodeGuiIPtr gui_i = (*it)->getNodeGui();
assert(gui_i);
NodeGui* gui = dynamic_cast<NodeGui*>( gui_i.get() );
assert(gui);
gui->ensurePanelCreated();
panel->onChildCreated(*it);
}
panel->setRedrawOnSelectionChanged(true);
}
if (hideUnmodified) {
_settingsPanel->restoreHideUnmodifiedState(true);
}
if (minimized) {
_settingsPanel->restoreMinimizedState(true);
}
const std::list<ViewerTab*>& viewers = getDagGui()->getGui()->getViewersList();
for (std::list<ViewerTab*>::const_iterator it = viewers.begin(); it != viewers.end(); ++it) {
(*it)->getViewer()->updatePersistentMessage();
}
} // NodeGui::ensurePanelCreated
void
NodeGui::onSettingsPanelClosed(bool closed)
{
NodePtr internalNode = getNode();
if (internalNode && internalNode->hasAnyPersistentMessage()) {
const std::list<ViewerTab*>& viewers = getDagGui()->getGui()->getViewersList();
for (std::list<ViewerTab*>::const_iterator it = viewers.begin(); it != viewers.end(); ++it) {
(*it)->getViewer()->updatePersistentMessage();
}
}
Q_EMIT settingsPanelClosed(closed);
}
NodeSettingsPanel*
NodeGui::createPanel(QVBoxLayout* container,
const NodeGuiPtr& thisAsShared)
{
NodeSettingsPanel* panel = 0;
NodePtr node = getNode();
if ( node && node->getEffectInstance()->getMakeSettingsPanel() ) {
assert(container);
MultiInstancePanelPtr multiPanel;
if ( node->isTrackerNodePlugin() && node->isMultiInstance() && node->getParentMultiInstanceName().empty() ) {
multiPanel.reset( new TrackerPanelV1(thisAsShared) );
///This is valid only if the node is a multi-instance and this is the main instance.
///The "real" panel showed on the gui will be the _settingsPanel, but we still need to create
///another panel for the main-instance (hidden) knobs to function properly (and also be showed in the CurveEditor)
_mainInstancePanel = new NodeSettingsPanel( MultiInstancePanelPtr(), _graph->getGui(),
thisAsShared, container, container->parentWidget() );
_mainInstancePanel->blockSignals(true);
_mainInstancePanel->setClosed(true);
_mainInstancePanel->initializeKnobs();
}
panel = new NodeSettingsPanel( multiPanel, _graph->getGui(), thisAsShared, container, container->parentWidget() );
if (panel) {
bool isCreatingPythonGroup = getDagGui()->getGui()->getApp()->isCreatingPythonGroup();
std::string pluginID = node->getPluginID();
if ( (pluginID == PLUGINID_NATRON_OUTPUT) ||
( isCreatingPythonGroup && ( pluginID != PLUGINID_NATRON_GROUP) ) ||
!node->getParentMultiInstanceName().empty() ) {
panel->setClosed(true);
} else {
_graph->getGui()->addVisibleDockablePanel(panel);
}
}
}
return panel;
}
void
NodeGui::getSizeWithPreview(int *w,
int *h) const
{
getInitialSize(w, h);
*w = *w - (TO_DPIX(NODE_WIDTH) / 2.) + TO_DPIX(NATRON_PREVIEW_WIDTH);
*h = *h + TO_DPIY(NATRON_PREVIEW_HEIGHT) + 10;
}
void
NodeGui::getInitialSize(int *w,
int *h) const
{
NodePtr internalNode = getNode();
if (!internalNode) {
*w = TO_DPIX(NODE_WIDTH);
*h = TO_DPIY(NODE_HEIGHT);
return;
}
const QString& iconFilePath = internalNode->getPlugin()->getIconFilePath();
if ( !iconFilePath.isEmpty() && QFile::exists(iconFilePath) && appPTR->getCurrentSettings()->isPluginIconActivatedOnNodeGraph() ) {
*w = TO_DPIX(NODE_WIDTH) + TO_DPIX(NATRON_PLUGIN_ICON_SIZE) + TO_DPIX(PLUGIN_ICON_OFFSET) * 2;
} else {
*w = TO_DPIX(NODE_WIDTH);
}
*h = TO_DPIY(NODE_HEIGHT);
}
void
NodeGui::createGui()
{
int depth = getBaseDepth();
setZValue(depth);
NodePtr node = getNode();
if (!node) {
return; // throw exception instead?
}
int cornerRadiusPx = 0;
_boundingBox = new NodeGraphRectItem(this, cornerRadiusPx);
_boundingBox->setZValue(depth);
if ( mustFrameName() ) {
_nameFrame = new QGraphicsRectItem(this);
_nameFrame->setZValue(depth + 1);
}
if ( mustAddResizeHandle() ) {
_resizeHandle = new QGraphicsPolygonItem(this);
_resizeHandle->setZValue(depth + 1);
}
const QString& iconFilePath = node->getPlugin()->getIconFilePath();
BackdropGui* isBd = dynamic_cast<BackdropGui*>(this);
if ( !isBd && !iconFilePath.isEmpty() && appPTR->getCurrentSettings()->isPluginIconActivatedOnNodeGraph() ) {
_pluginIcon = new NodeGraphPixmapItem(getDagGui(), this);
_pluginIcon->setZValue(depth + 1);
_pluginIconFrame = new QGraphicsRectItem(this);
_pluginIconFrame->setZValue(depth);
int r, g, b;
appPTR->getCurrentSettings()->getPluginIconFrameColor(&r, &g, &b);
_pluginIconFrame->setBrush( QColor(r, g, b) );
int size = TO_DPIX(NATRON_PLUGIN_ICON_SIZE);
QPixmap pix;
pix.load(iconFilePath);
if (!pix.isNull()) {
if (std::max( pix.width(), pix.height() ) != size) {
pix = pix.scaled(size, size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
}
_pluginIcon->setPixmap(pix);
} else {
_pluginIcon->hide();
}
}
_presetIcon = new NodeGraphPixmapItem(getDagGui(), this);
_presetIcon->setZValue(depth + 1);
_presetIcon->hide();
_nameItem = new NodeGraphTextItem(getDagGui(), this, false);
_nameItem->setPlainText( QString::fromUtf8( node->getLabel().c_str() ) );
_nameItem->setDefaultTextColor( QColor(0, 0, 0, 255) );
//_nameItem->setFont( QFont(appFont,appFontSize) );
_nameItem->setZValue(depth + 1);
_persistentMessage = new NodeGraphSimpleTextItem(getDagGui(), this, false);
_persistentMessage->setZValue(depth + 3);
QFont f = _persistentMessage->font();
f.setPointSize(25);
bool antialias = appPTR->getCurrentSettings()->isNodeGraphAntiAliasingEnabled();
if (!antialias) {
f.setStyleStrategy(QFont::NoAntialias);
}
_persistentMessage->setFont(f);
_persistentMessage->hide();
_stateIndicator = new NodeGraphRectItem(this, cornerRadiusPx);
_stateIndicator->setZValue(depth - 1);
_stateIndicator->hide();
QRectF bbox = boundingRect();
QGradientStops bitDepthGrad;
bitDepthGrad.push_back( qMakePair( 0., QColor(Qt::white) ) );
bitDepthGrad.push_back( qMakePair( 0.3, QColor(Qt::yellow) ) );
bitDepthGrad.push_back( qMakePair( 1., QColor(243, 137, 0) ) );
double ellipseDiam = TO_DPIX(NATRON_ELLIPSE_WARN_DIAMETER);
_streamIssuesWarning.reset( new NodeGuiIndicator(getDagGui(), depth + 2, QString::fromUtf8("C"), QPointF( bbox.x() + bbox.width() / 2, bbox.y() ),
ellipseDiam, ellipseDiam,
bitDepthGrad, QColor(0, 0, 0, 255), this) );
_streamIssuesWarning->setActive(false);
QGradientStops exprGrad;
exprGrad.push_back( qMakePair( 0., QColor(Qt::white) ) );
exprGrad.push_back( qMakePair( 0.3, QColor(Qt::green) ) );
exprGrad.push_back( qMakePair( 1., QColor(69, 96, 63) ) );
_expressionIndicator.reset( new NodeGuiIndicator(getDagGui(), depth + 2, QString::fromUtf8("E"), bbox.topRight(), ellipseDiam, ellipseDiam, exprGrad, QColor(255, 255, 255), this) );
_expressionIndicator->setToolTip( NATRON_NAMESPACE::convertFromPlainText(tr("This node has one or several expression(s) involving values of parameters of other "
"nodes in the project. Hover the mouse on the green connections to see what are the effective links."), NATRON_NAMESPACE::WhiteSpaceNormal) );
_expressionIndicator->setActive(false);
_availableViewsIndicator.reset( new NodeGuiIndicator(getDagGui(), depth + 2, QString::fromUtf8("V"), bbox.topLeft(), ellipseDiam, ellipseDiam, exprGrad, QColor(255, 255, 255), this) );
_availableViewsIndicator->setActive(false);
onAvailableViewsChanged();
GroupInput* isGroupInput = dynamic_cast<GroupInput*>( node->getEffectInstance().get() );
GroupOutput* isGroupOutput = dynamic_cast<GroupOutput*>( node->getEffectInstance().get() );
if (!isGroupInput && !isGroupOutput) {
QGradientStops ptGrad;
ptGrad.push_back( qMakePair( 0., QColor(0, 0, 255) ) );
ptGrad.push_back( qMakePair( 0.5, QColor(0, 50, 200) ) );
ptGrad.push_back( qMakePair( 1., QColor(0, 100, 150) ) );
_passThroughIndicator.reset( new NodeGuiIndicator(getDagGui(), depth + 2, QString::fromUtf8("P"), bbox.topRight(), ellipseDiam, ellipseDiam, ptGrad, QColor(255, 255, 255), this) );
_passThroughIndicator->setActive(false);
}
_disabledBtmLeftTopRight = new QGraphicsLineItem(this);
_disabledBtmLeftTopRight->setZValue(depth + 1);
_disabledBtmLeftTopRight->hide();
_disabledTopLeftBtmRight = new QGraphicsLineItem(this);
_disabledTopLeftBtmRight->hide();
_disabledTopLeftBtmRight->setZValue(depth + 1);
} // NodeGui::createGui
void
NodeGui::onSettingsPanelColorChanged(const QColor & color)
{
{
QMutexLocker k(&_currentColorMutex);
_currentColor = color;
}
Q_EMIT colorChanged(color);
refreshCurrentBrush();
}
void
NodeGui::beginEditKnobs()
{
_wasBeginEditCalled = true;
NodePtr node = getNode();
if (node) {
node->beginEditKnobs();
}
}
void
NodeGui::togglePreview_internal(bool refreshPreview)
{
if ( !canMakePreview() ) {
return;
}
NodePtr node = getNode();
if ( node && getNode()->isPreviewEnabled() ) {
ensurePreviewCreated();
if (refreshPreview) {
getNode()->computePreviewImage( _graph->getGui()->getApp()->getTimeLine()->currentFrame() );
}
} else {
if (_previewPixmap) {
_previewPixmap->setVisible(false);
}
int w, h;
getInitialSize(&w, &h);
resize(w, h);
}
}
void
NodeGui::ensurePreviewCreated()
{
if (!_previewPixmap) {
QImage prev(NATRON_PREVIEW_WIDTH, NATRON_PREVIEW_HEIGHT, QImage::Format_ARGB32);
prev.fill(Qt::black);
QPixmap prev_pixmap = QPixmap::fromImage(prev);
_previewPixmap = new NodeGraphPixmapItem(getDagGui(), this);
//Scale the widget according to the DPI of the screen otherwise the pixmap will cover exactly as many pixels
//as there are in the image
_previewPixmap->setTransform(QTransform::fromScale( appPTR->getLogicalDPIXRATIO(), appPTR->getLogicalDPIYRATIO() ), true);
_previewPixmap->setPixmap(prev_pixmap);
_previewPixmap->setZValue(getBaseDepth() + 1);
}
QSize size = getSize();
int w, h;
getSizeWithPreview(&w, &h);
if ( (size.width() < w) ||
( size.height() < h) ) {
resize(w, h);
_previewPixmap->stackBefore(_nameItem);
}
}
void
NodeGui::onPreviewKnobToggled()
{
togglePreview_internal();
}
void
NodeGui::togglePreview()
{
NodePtr node = getNode();
if (node) {
node->togglePreview();
}
togglePreview_internal();
}
void
NodeGui::removeUndoStack()
{
if (_graph && _graph->getGui() && _undoStack) {
_graph->getGui()->removeUndoStack( _undoStack.get() );
}
}
void
NodeGui::discardGraphPointer()
{
_graph = 0;
}
void
NodeGui::removeSettingsPanel()
{
//called by DockablePanel when it is deleted by Qt's parenting scheme
_settingsPanel = NULL;
}
void
NodeGui::refreshSize()
{
QRectF bbox = boundingRect();
QString& label = _nodeLabel;
resize( bbox.width(), bbox.height(), false, !label.isEmpty() );
}
int
NodeGui::getFrameNameHeight() const
{
if ( mustFrameName() ) {
return _nameFrame->boundingRect().height();
} else {
return boundingRect().height();
}
}
bool
NodeGui::isNearbyNameFrame(const QPointF& pos) const
{
if ( !mustFrameName() ) {
return _boundingBox->boundingRect().contains(pos);
} else {
QRectF headerBbox = _nameFrame->boundingRect();
headerBbox.adjust(-5, -5, 5, 5);
return headerBbox.contains(pos);
}
}
bool
NodeGui::isNearbyResizeHandle(const QPointF& pos) const
{
if ( !mustAddResizeHandle() ) {
return false;
}
QPolygonF resizePoly = _resizeHandle->polygon();
return resizePoly.containsPoint(pos, Qt::OddEvenFill);
}
void
NodeGui::adjustSizeToContent(int* /*w*/,
int *h,
bool adjustToTextSize)
{
QRectF labelBbox = _nameItem->boundingRect();
if (adjustToTextSize) {
if ( _previewPixmap && _previewPixmap->isVisible() ) {
int pw, ph;
getSizeWithPreview(&pw, &ph);
*h = ph;
} else {
*h = labelBbox.height() * 1.2;
}
} else {
*h = std::max( (double)*h, labelBbox.height() * 1.2 );
}
if (_pluginIcon && _pluginIcon->isVisible() && _presetIcon && _presetIcon->isVisible()) {
int iconsHeight = _pluginIcon->boundingRect().height() + _presetIcon->boundingRect().height();
*h = std::max(*h, iconsHeight);
}
}
int
NodeGui::getPluginIconWidth() const
{
return _pluginIcon && _pluginIcon->isVisible() ? TO_DPIX(NATRON_PLUGIN_ICON_SIZE + PLUGIN_ICON_OFFSET * 2) : 0;
}
double
NodeGui::refreshPreviewAndLabelPosition(const QRectF& bbox)
{
const QRectF labelBbox = _nameItem->boundingRect();
const double labelHeight = labelBbox.height();
int prevW, prevH;
{
QMutexLocker k(&_previewDataMutex);
prevW = _previewW;
prevH = _previewH;
}
if ( !_previewPixmap || !_previewPixmap->isVisible() ) {
prevW = 0;
prevH = 0;
}
const double textPlusPixHeight = std::min( (double)prevH + 5. + labelHeight, bbox.height() - 5 );
const int iconWidth = getPluginIconWidth();
if (_previewPixmap) {
double pixX = bbox.x() + iconWidth;
double remainingSpace = bbox.width() - pixX;
pixX = pixX + remainingSpace / 2. - prevW / 2.;
double pixY = bbox.y() + bbox.height() / 2 - textPlusPixHeight / 2;
_previewPixmap->setPos(pixX, pixY);
}
double height = bbox.height();
{
int nameWidth = labelBbox.width();
double textX = bbox.x() + iconWidth + ( (bbox.width() - iconWidth) / 2 ) - (nameWidth / 2);
//double textY = topLeft.y() + labelHeight * 0.1;
double textY;
if ( mustFrameName() ) {
double frameHeight = 1.5 * labelHeight;
QRectF nameFrameBox(bbox.x(), bbox.y(), bbox.width(), frameHeight);
_nameFrame->setRect(nameFrameBox);
height = std::max( (double)bbox.height(), nameFrameBox.height() );
textY = bbox.y() + frameHeight / 2 - labelHeight / 2;
} else {
if ( _previewPixmap && _previewPixmap->isVisible() ) {
textY = bbox.y() + height / 2 - textPlusPixHeight / 2 + prevH;
} else {
textY = bbox.y() + height / 2 - labelHeight / 2;
}
}
_nameItem->setPos(textX, textY);
}
return height;
} // NodeGui::refreshPreviewAndLabelPosition
void
NodeGui::resize(int width,
int height,
bool forceSize,
bool adjustToTextSize)
{
if ( !canResize() ) {
return;
}
const bool hasPluginIcon = _pluginIcon && _pluginIcon->isVisible();
adjustSizeToContent(&width, &height, adjustToTextSize);
const int iconWidth = getPluginIconWidth();
{
QMutexLocker k(&_mtSafeSizeMutex);
_mtSafeWidth = width;
_mtSafeHeight = height;
}
const QPointF topLeft = mapFromParent( pos() );
const QPointF bottomRight(topLeft.x() + width, topLeft.y() + height);
//const QPointF bottomLeft = topLeft + QPointF(0, height);
const QPointF topRight = topLeft + QPointF(width, 0);
QRectF bbox(topLeft.x(), topLeft.y(), width, height);
_boundingBox->setRect(bbox);
int iconSize = TO_DPIY(NATRON_PLUGIN_ICON_SIZE);
int iconOffsetX = TO_DPIX(PLUGIN_ICON_OFFSET);
if (hasPluginIcon) {
_pluginIcon->setX(topLeft.x() + iconOffsetX);
int iconsYOffset = _presetIcon && _presetIcon->isVisible() ? (height - 2 * iconSize) / 3. : (height - iconSize) / 2.;
_pluginIcon->setY(topLeft.y() + iconsYOffset);
_pluginIconFrame->setRect(topLeft.x(), topLeft.y(), iconWidth, height);
}
if ( _presetIcon && _presetIcon->isVisible() ) {
int iconsYOffset = (height - 2 * iconSize) / 3.;
_presetIcon->setX(topLeft.x() + iconOffsetX);
_presetIcon->setY(topLeft.y() + iconsYOffset * 2 + iconSize);
}
QFont f(appFont, appFontSize);
QFontMetrics metrics(f, 0);
height = refreshPreviewAndLabelPosition(bbox);
if ( mustAddResizeHandle() ) {
QPolygonF poly;
poly.push_back( QPointF( bottomRight.x() - TO_DPIX(20), bottomRight.y() ) );
poly.push_back(bottomRight);
poly.push_back( QPointF( bottomRight.x(), bottomRight.y() - TO_DPIY(20) ) );
_resizeHandle->setPolygon(poly);
}
QString persistentMessage = _persistentMessage->text();
f.setPixelSize(25);
metrics = QFontMetrics(f, 0);
int pMWidth = metrics.width(persistentMessage);
int midNodeX = topLeft.x() + iconWidth + (width - iconWidth) / 2;
QPointF bitDepthPos(midNodeX, 0);
_streamIssuesWarning->refreshPosition(bitDepthPos);
if (_expressionIndicator) {
_expressionIndicator->refreshPosition(topRight);
}
if (_availableViewsIndicator) {
_availableViewsIndicator->refreshPosition(topLeft);
}
if (_passThroughIndicator) {
_passThroughIndicator->refreshPosition(bottomRight);