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CurveWidget.cpp
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CurveWidget.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 "CurveWidget.h"
#include <cmath> // floor
#include <stdexcept>
#include <sstream> // stringstream
GCC_DIAG_UNUSED_PRIVATE_FIELD_OFF
// /opt/local/include/QtGui/qmime.h:119:10: warning: private field 'type' is not used [-Wunused-private-field]
#include <QMouseEvent>
GCC_DIAG_UNUSED_PRIVATE_FIELD_ON
#include <QtCore/QTextStream>
#include <QtCore/QThread>
#include <QApplication>
#include <QToolButton>
#if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
#include <QScreen>
#else
#include <QDesktopWidget>
#endif
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
#include <QWindow>
#endif
#include "Engine/Bezier.h"
#include "Engine/PyParameter.h" // IntParam
#include "Engine/Project.h"
#include "Engine/Image.h"
#include "Engine/RotoContext.h"
#include "Engine/Settings.h"
#include "Engine/KnobTypes.h"
#include "Gui/ActionShortcuts.h"
#include "Gui/CurveEditor.h"
#include "Gui/CurveWidgetDialogs.h"
#include "Gui/CurveWidgetPrivate.h"
#include "Gui/Gui.h"
#include "Gui/GuiAppInstance.h"
#include "Gui/GuiApplicationManager.h"
#include "Gui/GuiDefines.h"
#include "Gui/GuiMacros.h"
#include "Gui/KnobGui.h"
#include "Gui/PythonPanels.h" // PyModelDialog
#include "Gui/TabWidget.h"
#include "Gui/ViewerGL.h"
#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
#include <QOpenGLContext>
#endif
NATRON_NAMESPACE_ENTER
/*****************************CURVE WIDGET***********************************************/
bool
CurveWidget::isSelectedKey(const CurveGuiPtr& curve,
double time) const
{
SelectedKeys::const_iterator it = _imp->_selectedKeyFrames.find(curve);
if ( it == _imp->_selectedKeyFrames.end() ) {
return false;
}
for (std::list<KeyPtr>::const_iterator it2 = it->second.begin(); it2 != it->second.end(); ++it2) {
if ( ( time >= ( (*it2)->key.getTime() - 1e-6 ) ) && ( time <= ( (*it2)->key.getTime() + 1e-6 ) ) ) {
return true;
}
}
return false;
}
void
CurveWidget::pushUndoCommand(QUndoCommand* cmd)
{
_imp->_undoStack->setActive();
_imp->_undoStack->push(cmd);
}
QUndoStack*
CurveWidget::getUndoStack() const
{
return _imp->_undoStack.get();
}
///////////////////////////////////////////////////////////////////
// CurveWidget
//
CurveWidget::CurveWidget(Gui* gui,
CurveSelection* selection,
TimeLinePtr timeline,
QWidget* parent,
const QOpenGLWidget* shareWidget)
#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
: QOpenGLWidget(parent)
#else
: QOpenGLWidget(parent, shareWidget)
#endif
, _imp( new CurveWidgetPrivate(gui, selection, timeline, this) )
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding);
setMouseTracking(true);
if (timeline) {
ProjectPtr project = gui->getApp()->getProject();
assert(project);
QObject::connect( timeline.get(), SIGNAL(frameChanged(SequenceTime,int)), this, SLOT(onTimeLineFrameChanged(SequenceTime,int)) );
QObject::connect( project.get(), SIGNAL(frameRangeChanged(int,int)), this, SLOT(onTimeLineBoundariesChanged(int,int)) );
onTimeLineFrameChanged(timeline->currentFrame(), eValueChangedReasonNatronGuiEdited);
double left, right;
project->getFrameRange(&left, &right);
onTimeLineBoundariesChanged(left, right);
}
if ( parent->objectName() == QString::fromUtf8("CurveEditorSplitter") ) {
///if this is the curve widget associated to the CurveEditor
// QDesktopWidget* desktop = QApplication::desktop();
// _imp->sizeH = desktop->screenGeometry().size();
_imp->sizeH = QSize(10000, 10000);
} else {
///a random parametric param curve editor
_imp->sizeH = QSize(400, 400);
}
}
CurveWidget::~CurveWidget()
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
makeCurrent();
}
bool
CurveWidget::hasTimeline() const
{
return bool(_imp->_timeline);
}
void
CurveWidget::initializeGL()
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
appPTR->initializeOpenGLFunctionsOnce();
}
void
CurveWidget::addCurveAndSetColor(const CurveGuiPtr& curve)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
//update(); //force initializeGL to be called if it wasn't before.
_imp->_curves.push_back(curve);
curve->setColor(_imp->_nextCurveAddedColor);
_imp->_nextCurveAddedColor.setHsv( _imp->_nextCurveAddedColor.hsvHue() + 60,
_imp->_nextCurveAddedColor.hsvSaturation(), _imp->_nextCurveAddedColor.value() );
}
void
CurveWidget::removeCurve(CurveGui *curve)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
for (Curves::iterator it = _imp->_curves.begin(); it != _imp->_curves.end(); ++it) {
if (it->get() == curve) {
//remove all its keyframes from selected keys
SelectedKeys::iterator found = _imp->_selectedKeyFrames.find(*it);
if ( found != _imp->_selectedKeyFrames.end() ) {
_imp->_selectedKeyFrames.erase(found);
}
_imp->_curves.erase(it);
break;
}
}
}
void
CurveWidget::centerOn(const std::vector<CurveGuiPtr> & curves, bool useDisplayRange)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
// First try to center curves given their display range
Curve::YRange displayRange(-std::numeric_limits<double>::infinity(), std::numeric_limits<double>::infinity());
std::pair<double, double> xRange = std::make_pair(-std::numeric_limits<double>::infinity(), std::numeric_limits<double>::infinity());
bool rangeSet = false;
std::vector<CurveGuiPtr> curvesToFrame;
if (curves.empty()) {
curvesToFrame.reserve( _imp->_curves.size() );
curvesToFrame.insert( curvesToFrame.end(), _imp->_curves.begin(), _imp->_curves.end() );
assert(curvesToFrame.size() == _imp->_curves.size());
} else {
curvesToFrame = curves;
}
if (curvesToFrame.empty()) {
return;
}
if (useDisplayRange) {
for (std::vector<CurveGuiPtr> ::const_iterator it = curvesToFrame.begin(); it != curvesToFrame.end(); ++it) {
CurvePtr curve = (*it)->getInternalCurve();
if (!curve) {
continue;
}
Curve::YRange thisCurveRange = curve->getCurveDisplayYRange();
std::pair<double, double> thisXRange = curve->getXRange();
if (thisCurveRange.min == -std::numeric_limits<double>::infinity() ||
thisCurveRange.min == INT_MIN ||
thisCurveRange.max == std::numeric_limits<double>::infinity() ||
thisCurveRange.max == INT_MAX ||
thisXRange.first == -std::numeric_limits<double>::infinity() ||
thisXRange.first == INT_MIN ||
thisXRange.second == std::numeric_limits<double>::infinity() ||
thisXRange.second == INT_MAX) {
continue;
}
if (!rangeSet) {
displayRange = thisCurveRange;
xRange = thisXRange;
rangeSet = true;
} else {
displayRange.min = std::min(displayRange.min, thisCurveRange.min);
displayRange.max = std::min(displayRange.max, thisCurveRange.max);
xRange.first = std::min(xRange.first, thisXRange.first);
xRange.second = std::min(xRange.second, thisXRange.second);
}
} // for all curves
if (rangeSet) {
double paddingX = (xRange.second - xRange.first) / 20.;
double paddingY = (displayRange.max - displayRange.min) / 20.;
centerOn(xRange.first - paddingX, xRange.second + paddingX, displayRange.min - paddingY, displayRange.max + paddingY);
return;
}
} // useDisplayRange
// If no range, center them using the bounding box of keyframes
bool doCenter = false;
RectD ret;
for (U32 i = 0; i < curvesToFrame.size(); ++i) {
const CurveGuiPtr& c = curvesToFrame[i];
KeyFrameSet keys = c->getKeyFrames();
if ( keys.empty() ) {
continue;
}
doCenter = true;
double xmin = keys.begin()->getTime();
double xmax = keys.rbegin()->getTime();
double ymin = INT_MAX;
double ymax = INT_MIN;
//find out ymin,ymax
for (KeyFrameSet::const_iterator it2 = keys.begin(); it2 != keys.end(); ++it2) {
double value = it2->getValue();
if (value < ymin) {
ymin = value;
}
if (value > ymax) {
ymax = value;
}
}
ret.merge(xmin, ymin, xmax, ymax);
}
ret.set_bottom(ret.bottom() - ret.height() / 10);
ret.set_left(ret.left() - ret.width() / 10);
ret.set_right(ret.right() + ret.width() / 10);
ret.set_top(ret.top() + ret.height() / 10);
if ( doCenter && !ret.isNull() ) {
centerOn( ret.left(), ret.right(), ret.bottom(), ret.top() );
}
}
void
CurveWidget::showCurvesAndHideOthers(const std::vector<CurveGuiPtr> & curves)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
for (std::list<CurveGuiPtr>::iterator it = _imp->_curves.begin(); it != _imp->_curves.end(); ++it) {
std::vector<CurveGuiPtr>::const_iterator it2 = std::find(curves.begin(), curves.end(), *it);
if ( it2 != curves.end() ) {
(*it)->setVisible(true);
} else {
(*it)->setVisible(false);
}
}
update();
}
void
CurveWidget::updateSelectionAfterCurveChange(CurveGui* curve)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
///check whether selected keyframes have changed
///we cannot use std::transform here because a keyframe might have disappeared from a curve
///hence the number of keyframes selected would decrease
SelectedKeys::iterator found = _imp->_selectedKeyFrames.end();
for (SelectedKeys::iterator it = _imp->_selectedKeyFrames.begin(); it != _imp->_selectedKeyFrames.end(); ++it) {
if (it->first.get() == curve) {
found = it;
break;
}
}
if ( found == _imp->_selectedKeyFrames.end() ) {
return;
}
CurvePtr internalCurve = found->first->getInternalCurve();
bool isPeriodic = false;
std::pair<double,double> parametricRange = std::make_pair(-std::numeric_limits<double>::infinity(), std::numeric_limits<double>::infinity());
if (internalCurve) {
isPeriodic = internalCurve->isCurvePeriodic();
parametricRange = internalCurve->getXRange();
}
KeyFrameSet set = found->first->getKeyFrames();
std::list<KeyPtr> newSelection;
for (std::list<KeyPtr>::iterator it2 = found->second.begin(); it2 != found->second.end(); ++it2) {
KeyFrameSet::const_iterator found = Curve::findWithTime( set, (*it2)->key.getTime() );
if ( found != set.end() ) {
(*it2)->key = *found;
KeyFrameSet::const_iterator next = found;
++next;
if ( next != set.end() ) {
(*it2)->nextKey = *next;
(*it2)->hasNext = true;
} else if (isPeriodic) {
KeyFrameSet::const_iterator start = set.begin();
(*it2)->nextKey = *start;
(*it2)->nextKey.setTime((*it2)->nextKey.getTime() + (parametricRange.second - parametricRange.first));
(*it2)->hasNext = true;
}
if ( found != set.begin()) {
KeyFrameSet::const_iterator prev = found;
--prev;
(*it2)->prevKey = *prev;
(*it2)->hasPrevious = true;
} else if (isPeriodic) {
KeyFrameSet::const_reverse_iterator last = set.rbegin();
(*it2)->prevKey = *last;
(*it2)->prevKey.setTime((*it2)->prevKey.getTime() - (parametricRange.second - parametricRange.first));
(*it2)->hasPrevious = true;
}
newSelection.push_back(*it2);
}
}
found->second = newSelection;
refreshCurveDisplayTangents(curve);
refreshSelectedKeysBbox();
}
void
CurveWidget::getVisibleCurves(std::vector<CurveGuiPtr>* curves) const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
for (std::list<CurveGuiPtr>::iterator it = _imp->_curves.begin(); it != _imp->_curves.end(); ++it) {
if ( (*it)->isVisible() ) {
curves->push_back(*it);
}
}
}
void
CurveWidget::centerOn(double xmin,
double xmax,
double ymin,
double ymax)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
if ( (_imp->zoomCtx.screenWidth() > 0) && (_imp->zoomCtx.screenHeight() > 0) ) {
_imp->zoomCtx.fill(xmin, xmax, ymin, ymax);
}
_imp->zoomOrPannedSinceLastFit = false;
refreshDisplayedTangents();
update();
}
/**
* @brief Swap the OpenGL buffers.
**/
void
CurveWidget::swapOpenGLBuffers()
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
update();
#else
swapBuffers();
#endif
}
/**
* @brief Repaint
**/
void
CurveWidget::redraw()
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
update();
}
/**
* @brief Returns the width and height of the viewport in window coordinates.
**/
void
CurveWidget::getViewportSize(double &width,
double &height) const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
width = this->width();
height = this->height();
}
/**
* @brief Returns the pixel scale of the viewport.
**/
void
CurveWidget::getPixelScale(double & xScale,
double & yScale) const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
xScale = _imp->zoomCtx.screenPixelWidth();
yScale = _imp->zoomCtx.screenPixelHeight();
}
#ifdef OFX_EXTENSIONS_NATRON
double
CurveWidget::getScreenPixelRatio() const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
return devicePixelRatio();
#else
return _imp->_gui ? _imp->_gui->devicePixelRatio() : 1.;
#endif
}
#endif
/**
* @brief Returns the colour of the background (i.e: clear color) of the viewport.
**/
void
CurveWidget::getBackgroundColour(double &r,
double &g,
double &b) const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
appPTR->getCurrentSettings()->getCurveEditorBGColor(&r, &g, &b);
}
RectD
CurveWidget::getViewportRect() const
{
RectD bbox;
{
bbox.x1 = _imp->zoomCtx.left();
bbox.y1 = _imp->zoomCtx.bottom();
bbox.x2 = _imp->zoomCtx.right();
bbox.y2 = _imp->zoomCtx.top();
}
return bbox;
}
void
CurveWidget::getCursorPosition(double& x,
double& y) const
{
QPoint p = QCursor::pos();
p = mapFromGlobal(p);
QPointF mappedPos = toZoomCoordinates( p.x(), p.y() );
x = mappedPos.x();
y = mappedPos.y();
}
void
CurveWidget::saveOpenGLContext()
{
assert( QThread::currentThread() == qApp->thread() );
glGetIntegerv(GL_TEXTURE_BINDING_2D, (GLint*)&_imp->savedTexture);
//glGetIntegerv(GL_ACTIVE_TEXTURE, (GLint*)&_imp->activeTexture);
glCheckAttribStack();
glPushAttrib(GL_ALL_ATTRIB_BITS);
glCheckClientAttribStack();
glPushClientAttrib(GL_CLIENT_ALL_ATTRIB_BITS);
glMatrixMode(GL_PROJECTION);
glCheckProjectionStack();
glPushMatrix();
glMatrixMode(GL_MODELVIEW);
glCheckModelviewStack();
glPushMatrix();
// set defaults to work around OFX plugin bugs
glEnable(GL_BLEND); // or TuttleHistogramKeyer doesn't work - maybe other OFX plugins rely on this
//glEnable(GL_TEXTURE_2D); //Activate texturing
//glActiveTexture (GL_TEXTURE0);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // or TuttleHistogramKeyer doesn't work - maybe other OFX plugins rely on this
//glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); // GL_MODULATE is the default, set it
}
void
CurveWidget::restoreOpenGLContext()
{
assert( QThread::currentThread() == qApp->thread() );
glBindTexture(GL_TEXTURE_2D, _imp->savedTexture);
//glActiveTexture(_imp->activeTexture);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glPopClientAttrib();
glPopAttrib();
}
void
CurveWidget::resizeGL(int width,
int height)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
assert( QOpenGLContext::currentContext() == context() );
if ( !appPTR->isOpenGLLoaded() ) {
return;
}
if (width == 0) {
width = 1;
}
if (height == 0) {
height = 1;
}
glViewport (0, 0, width, height);
double zoomWidth = width;
double zoomHeight = height;
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
double screenPixelRatio = getScreenPixelRatio();
zoomWidth /= screenPixelRatio;
zoomHeight /= screenPixelRatio;
#endif
// Width and height may be 0 when tearing off a viewer tab to another panel
if ( (width > 0) && (height > 0) ) {
_imp->zoomCtx.setScreenSize(zoomWidth, zoomHeight);
}
if (height == 1) {
//don't do the following when the height of the widget is irrelevant
return;
}
if (!_imp->zoomOrPannedSinceLastFit) {
centerOn(std::vector<CurveGuiPtr>(), true);
}
}
void
CurveWidget::paintGL()
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
assert( QOpenGLContext::currentContext() == context() );
if ( !appPTR->isOpenGLLoaded() ) {
return;
}
glCheckError();
if (_imp->zoomCtx.factor() <= 0) {
return;
}
{
double screenPixelRatio = getScreenPixelRatio();
if (screenPixelRatio != _imp->_screenPixelRatio) {
_imp->_screenPixelRatio = screenPixelRatio;
_imp->_textFont.reset(new QFont(appFont, appFontSize * screenPixelRatio));
}
}
assert(_imp->_textFont);
double zoomLeft, zoomRight, zoomBottom, zoomTop;
zoomLeft = _imp->zoomCtx.left();
zoomRight = _imp->zoomCtx.right();
zoomBottom = _imp->zoomCtx.bottom();
zoomTop = _imp->zoomCtx.top();
double bgR, bgG, bgB;
appPTR->getCurrentSettings()->getCurveEditorBGColor(&bgR, &bgG, &bgB);
if ( (zoomLeft == zoomRight) || (zoomTop == zoomBottom) ) {
glClearColor(bgR, bgG, bgB, 1.);
glClear(GL_COLOR_BUFFER_BIT);
glCheckErrorIgnoreOSXBug();
return;
}
{
//GLProtectAttrib a(GL_TRANSFORM_BIT | GL_COLOR_BUFFER_BIT);
//GLProtectMatrix p(GL_PROJECTION);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(zoomLeft, zoomRight, zoomBottom, zoomTop, 1, -1);
//GLProtectMatrix m(GL_MODELVIEW);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glCheckError();
glClearColor(bgR, bgG, bgB, 1.);
glClear(GL_COLOR_BUFFER_BIT);
glCheckErrorIgnoreOSXBug();
OfxParamOverlayInteractPtr customInteract = getCustomInteract();
if (customInteract) {
// Don't protect GL_COLOR_BUFFER_BIT, because it seems to hit an OpenGL bug on
// some macOS configurations (10.10-10.12), where garbage is displayed in the viewport.
// see https://github.com/MrKepzie/Natron/issues/1460
//GLProtectAttrib a(GL_COLOR_BUFFER_BIT | GL_LINE_BIT | GL_CURRENT_BIT | GL_ENABLE_BIT);
GLProtectAttrib a(GL_LINE_BIT | GL_CURRENT_BIT | GL_ENABLE_BIT);
RenderScale scale(1.);
customInteract->setCallingViewport(this);
customInteract->drawAction(0, scale, 0, customInteract->hasColorPicker() ? &customInteract->getLastColorPickerColor() : 0);
glCheckErrorIgnoreOSXBug();
}
_imp->drawScale(_imp->_screenPixelRatio);
if (_imp->_timelineEnabled) {
_imp->drawTimelineMarkers(_imp->_screenPixelRatio);
}
if (_imp->_drawSelectedKeyFramesBbox) {
_imp->drawSelectedKeyFramesBbox(_imp->_screenPixelRatio);
}
_imp->drawCurves(_imp->_screenPixelRatio);
if ( !_imp->_selectionRectangle.isNull() ) {
_imp->drawSelectionRectangle(_imp->_screenPixelRatio);
}
} // GLProtectAttrib a(GL_TRANSFORM_BIT | GL_COLOR_BUFFER_BIT);
glCheckError();
} // CurveWidget::paintGL
bool
CurveWidget::renderText(double x,
double y,
const std::string &string,
double r,
double g,
double b,
int flags)
{
QColor c;
c.setRgbF( Image::clamp(r, 0., 1.), Image::clamp(g, 0., 1.), Image::clamp(b, 0., 1.) );
renderText( x, y, QString::fromUtf8( string.c_str() ), c, font(), flags );
return true;
}
void
CurveWidget::renderText(double x,
double y,
const QString & text,
const QColor & color,
const QFont & font,
int flags) const
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
assert( QOpenGLContext::currentContext() == context() );
if ( text.isEmpty() ) {
return;
}
double w = (double)width();
double h = (double)height();
double bottom = _imp->zoomCtx.bottom();
double left = _imp->zoomCtx.left();
double top = _imp->zoomCtx.top();
double right = _imp->zoomCtx.right();
if ( (w <= 0) || (h <= 0) || (right <= left) || (top <= bottom) ) {
return;
}
double scalex = (right - left) / (w * _imp->_screenPixelRatio);
double scaley = (top - bottom) / (h * _imp->_screenPixelRatio);
_imp->textRenderer.renderText(x, y, scalex, scaley, text, color, font, flags);
glCheckError();
}
void
CurveWidget::mouseDoubleClickEvent(QMouseEvent* e)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
///If the click is on a curve but not nearby a keyframe, add a keyframe
CurveGuiPtr selectedKeyCurve;
KeyFrame selectedKey, selectedKeyPrev, selectedKeyNext;
bool selectedKeyHasPrev, selectedKeyHasNext;
bool hasSelectedKey = _imp->isNearbyKeyFrame(e->pos(), &selectedKeyCurve, &selectedKey, &selectedKeyHasPrev, &selectedKeyPrev,
&selectedKeyHasNext, &selectedKeyNext);
std::pair<MoveTangentCommand::SelectedTangentEnum, KeyPtr> selectedTan = _imp->isNearbyTangent( e->pos() );
if (hasSelectedKey || selectedTan.second) {
return;
}
KnobCurveGui* isKnobCurve = dynamic_cast<KnobCurveGui*>( selectedKeyCurve.get() );
if (isKnobCurve) {
KnobGuiPtr knobUI = isKnobCurve->getKnobGui();
if (knobUI) {
int curveDim = isKnobCurve->getDimension();
KnobIPtr internalKnob = knobUI->getKnob();
if ( internalKnob && ( !internalKnob->isEnabled(curveDim) || internalKnob->isSlave(curveDim) ) ) {
return;
}
}
}
EditKeyFrameDialog::EditModeEnum mode = EditKeyFrameDialog::eEditModeKeyframePosition;
KeyPtr selectedText;
///We're nearby a selected keyframe's text
KeyPtr keyText = _imp->isNearbyKeyFrameText( e->pos() );
if (keyText) {
selectedText = keyText;
} else {
std::pair<MoveTangentCommand::SelectedTangentEnum, KeyPtr> tangentText = _imp->isNearbySelectedTangentText( e->pos() );
if (tangentText.second) {
if (tangentText.first == MoveTangentCommand::eSelectedTangentLeft) {
mode = EditKeyFrameDialog::eEditModeLeftDerivative;
} else {
mode = EditKeyFrameDialog::eEditModeRightDerivative;
}
selectedText = tangentText.second;
}
}
if (selectedText) {
EditKeyFrameDialog* dialog = new EditKeyFrameDialog(mode, this, selectedText, this);
int dialogW = dialog->sizeHint().width();
#if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
QScreen* desktop = QGuiApplication::primaryScreen();
QRect screen = desktop->availableGeometry();
#else
QDesktopWidget* desktop = QApplication::desktop();
QRect screen = desktop->screenGeometry();
#endif
QPoint gP = e->globalPos();
if ( gP.x() > (screen.width() - dialogW) ) {
gP.rx() -= dialogW;
}
dialog->move(gP);
///This allows us to have a non-modal dialog: when the user clicks outside of the dialog,
///it closes it.
QObject::connect( dialog, SIGNAL(accepted()), this, SLOT(onEditKeyFrameDialogFinished()) );
QObject::connect( dialog, SIGNAL(rejected()), this, SLOT(onEditKeyFrameDialogFinished()) );
dialog->show();
e->accept();
return;
}
////
// is the click near a curve?
double xCurve, yCurve;
Curves::const_iterator foundCurveNearby = _imp->isNearbyCurve( e->pos(), &xCurve, &yCurve );
if ( foundCurveNearby != _imp->_curves.end() ) {
addKey(*foundCurveNearby, xCurve, yCurve);
_imp->_keyDragLastMovement.rx() = 0.;
_imp->_keyDragLastMovement.ry() = 0.;
_imp->_dragStartPoint = e->pos();
_imp->_lastMousePos = e->pos();
e->accept();
return;
}
} // CurveWidget::mouseDoubleClickEvent
void
CurveWidget::onEditKeyFrameDialogFinished()
{
EditKeyFrameDialog* dialog = qobject_cast<EditKeyFrameDialog*>( sender() );
if (dialog) {
//QDialog::DialogCode ret = (QDialog::DialogCode)dialog->result();
dialog->deleteLater();
}
}
//
// Decide what should be done in response to a mouse press.
// When the reason is found, process it and return.
// (this function has as many return points as there are reasons)
//
void
CurveWidget::mousePressEvent(QMouseEvent* e)
{
// always running in the main thread
assert( qApp && qApp->thread() == QThread::currentThread() );
CurveEditor* ce = 0;
if ( parentWidget() ) {
QWidget* parent = parentWidget()->parentWidget();
if (parent) {
if ( parent->objectName() == QString::fromUtf8("CurveEditor") ) {
ce = dynamic_cast<CurveEditor*>(parent);
}
}
}
if (ce) {
ce->onInputEventCalled();
}
setFocus();
////
// right button: popup menu
if ( buttonDownIsRight(e) ) {
_imp->createMenu();
_imp->_rightClickMenu->exec( mapToGlobal( e->pos() ) );
_imp->_dragStartPoint = e->pos();
// no need to set _imp->_lastMousePos
// no need to set _imp->_dragStartPoint
// no need to update()
e->accept();
return;
}
if ( modCASIsControlAlt(e) ) { // Ctrl+Alt (Cmd+Alt on Mac) = insert keyframe
////
// is the click near a curve?
double xCurve, yCurve;
Curves::const_iterator foundCurveNearby = _imp->isNearbyCurve( e->pos(), &xCurve, &yCurve );
if ( foundCurveNearby != _imp->_curves.end() ) {
addKey(*foundCurveNearby, xCurve, yCurve);
_imp->_keyDragLastMovement.rx() = 0.;
_imp->_keyDragLastMovement.ry() = 0.;
_imp->_dragStartPoint = e->pos();
_imp->_lastMousePos = e->pos();
}
e->accept();
return;
}
////
// middle button: scroll view
if ( buttonDownIsMiddle(e) ) {
_imp->_state = eEventStateDraggingView;
_imp->_lastMousePos = e->pos();
_imp->_dragStartPoint = e->pos();
// no need to set _imp->_dragStartPoint
// no need to update()
e->accept();
return;
} else if ( ( (e->buttons() & Qt::MiddleButton) &&
( ( buttonMetaAlt(e) == Qt::AltModifier) || (e->buttons() & Qt::LeftButton) ) ) ||
( (e->buttons() & Qt::LeftButton) &&
( buttonMetaAlt(e) == (Qt::AltModifier | Qt::MetaModifier) ) ) ) {
// Alt + middle or Left + middle or Crtl + Alt + Left = zoom
_imp->_state = eEventStateZooming;
_imp->_lastMousePos = e->pos();
_imp->_dragStartPoint = e->pos();
e->accept();
return;
}
// is the click near the multiple-keyframes selection box center?
if (_imp->_drawSelectedKeyFramesBbox) {
bool caughtBbox = true;
if ( _imp->isNearbySelectedKeyFramesCrossWidget( e->pos() ) ) {
_imp->_state = eEventStateDraggingKeys;
} else if ( _imp->isNearbyBboxBtmLeft( e->pos() ) ) {
_imp->_state = eEventStateDraggingBtmLeftBbox;
} else if ( _imp->isNearbyBboxMidLeft( e->pos() ) ) {
_imp->_state = eEventStateDraggingMidLeftBbox;
} else if ( _imp->isNearbyBboxTopLeft( e->pos() ) ) {
_imp->_state = eEventStateDraggingTopLeftBbox;
} else if ( _imp->isNearbyBboxMidTop( e->pos() ) ) {
_imp->_state = eEventStateDraggingMidTopBbox;
} else if ( _imp->isNearbyBboxTopRight( e->pos() ) ) {
_imp->_state = eEventStateDraggingTopRightBbox;
} else if ( _imp->isNearbyBboxMidRight( e->pos() ) ) {
_imp->_state = eEventStateDraggingMidRightBbox;
} else if ( _imp->isNearbyBboxBtmRight( e->pos() ) ) {
_imp->_state = eEventStateDraggingBtmRightBbox;
} else if ( _imp->isNearbyBboxMidBtm( e->pos() ) ) {
_imp->_state = eEventStateDraggingMidBtmBbox;
} else {
caughtBbox = false;
}
if (caughtBbox) {
_imp->_mustSetDragOrientation = true;
_imp->_keyDragLastMovement.rx() = 0.;
_imp->_keyDragLastMovement.ry() = 0.;
_imp->_dragStartPoint = e->pos();
_imp->_lastMousePos = e->pos();
//no need to update()
e->accept();
return;
}
}
////
// is the click near a keyframe manipulator?
CurveGuiPtr selectedKeyCurve;
KeyFrame selectedKey, selectedKeyPrev, selectedKeyNext;