, NVGComponent

, Value::Listener {

enum class ResizerMode { Horizontal,

Vertical };

ObjectsResizer(Canvas* parentCanvas, std::function<float(Rectangle<int> bounds)> onResize, std::function<void(Point<int> pos)> onMove, ResizerMode const mode = ResizerMode::Horizontal)

: NVGComponent(this)

, border(this, &constrainer)

, cnv(parentCanvas)

, mode(mode)

, onResize(std::move(onResize))

, onMove(std::move(onMove))

{

cnv->addAndMakeVisible(this);

setAlwaysOnTop(true);

cnv->zoomScale.addListener(this);

auto selectedObjectBounds = Rectangle<int>();

auto smallestObjectWidthOrHeight = std::numeric_limits<int>::max();

auto largestObjectWidthOrHeight = 0;

// work out the bounds for all objects, and also the bounds for the largest object (used for min size of constrainer)

for (auto* obj : cnv->getSelectionOfType<Object>()) {

obj->hideHandles(true);

selectedObjectBounds = selectedObjectBounds.getUnion(obj->getBounds().reduced(Object::margin, Object::margin));

// Find the smallest object to make the min constrainer size

if (mode == ResizerMode::Horizontal) {

auto const objWidth = obj->getObjectBounds().getWidth();

if (objWidth < smallestObjectWidthOrHeight) {

smallestObjectWidthOrHeight = objWidth;

}

if (objWidth > largestObjectWidthOrHeight) {

largestObjectWidthOrHeight = objWidth;

}

} else {

auto const objHeight = obj->getObjectBounds().getHeight();

if (objHeight < smallestObjectWidthOrHeight) {

smallestObjectWidthOrHeight = objHeight;

}

if (objHeight > largestObjectWidthOrHeight) {

largestObjectWidthOrHeight = objHeight;

}

}

}

setBorderScale(cnv->zoomScale);

if (mode == ResizerMode::Horizontal) {

constrainer.setMinimumWidth(largestObjectWidthOrHeight + tabMargin * 2);

} else {

constrainer.setMinimumHeight(largestObjectWidthOrHeight + tabMargin * 2);

}

addAndMakeVisible(border);

setBounds(selectedObjectBounds.expanded(tabMargin));

};

~ObjectsResizer()

{

for (auto* obj : cnv->getSelectionOfType<Object>()) {

obj->hideHandles(false);

}

if (cnv) {

cnv->zoomScale.removeListener(this);

}

}

void setBorderScale(Value const& canvasScale)

{

auto const scale = getValue<float>(canvasScale);

auto const borderSize = std::max(12.0f, 12 / scale);

if (mode == ResizerMode::Horizontal) {

border.setBorderThickness(juce::BorderSize<int>(0, borderSize, 0, borderSize));

} else {

border.setBorderThickness(juce::BorderSize<int>(borderSize, 0, borderSize, 0));

}

}

void valueChanged(Value& v) override

{

if (v.refersToSameSourceAs(cnv->zoomScale)) {

setBorderScale(cnv->zoomScale);

}

}

bool hitTest(int x, int y) override

{

if (cnv->panningModifierDown() || ModifierKeys::getCurrentModifiers().isAnyModifierKeyDown())

return false;

return true;

}

void mouseDown(MouseEvent const& e) override

{

if (e.mods.isLeftButtonDown())

originalPos = getPosition();

// We can allow launching the right-click menu, however we would need to turn off alignment etc...

// if (e.mods.isRightButtonDown()){

// cnv->objectLayer.getComponentAt(e.getEventRelativeTo(cnv).getPosition())->mouseDown(e);

//}

}

void mouseDrag(MouseEvent const& e) override

{

if (e.originalComponent == &border)

return;

if (e.mods.isLeftButtonDown()) {

auto const delta = e.getPosition() - e.getMouseDownPosition();

auto const newPos = originalPos + delta;

setTopLeftPosition(newPos);

}

}

void moved() override

{

onMove(getPosition());

}

void resized() override

{

border.setBounds(getLocalBounds().expanded(tabMargin));

spacer = onResize(getBounds().reduced(tabMargin));

}

void render(NVGcontext* nvg) override

{

// draw background and outline

auto const b = getBounds().reduced(tabMargin);

auto iCol = cnv->selectedOutlineCol;

iCol.a = 5; // Make the inner colour semi-transparent

nvgDrawRoundedRect(nvg, b.getX(), b.getY(), b.getWidth(), b.getHeight(), iCol, cnv->selectedOutlineCol, Corners::objectCornerRadius);

// Draw handles at edge

auto getCorners = [this] {

auto const rect = getBounds().reduced(tabMargin);

constexpr float offset = 2.0f;

Array<Rectangle<float>> corners = { Rectangle<float>(9.0f, 9.0f).withCentre(rect.getTopLeft().toFloat()).translated(offset, offset), Rectangle<float>(9.0f, 9.0f).withCentre(rect.getBottomLeft().toFloat()).translated(offset, -offset),

Rectangle<float>(9.0f, 9.0f).withCentre(rect.getBottomRight().toFloat()).translated(-offset, -offset), Rectangle<float>(9.0f, 9.0f).withCentre(rect.getTopRight().toFloat()).translated(-offset, offset) };

return corners;

};

auto& resizeHandleImage = cnv->resizeHandleImage;

int angle = 360;

for (auto& corner : getCorners()) {

NVGScopedState scopedState(nvg);

// Rotate around centre

nvgTranslate(nvg, corner.getCentreX(), corner.getCentreY());

nvgRotate(nvg, degreesToRadians<float>(angle));

nvgTranslate(nvg, -4.5f, -4.5f);

nvgBeginPath(nvg);

nvgRect(nvg, 0, 0, 9, 9);

nvgFillPaint(nvg, nvgImageAlphaPattern(nvg, 0, 0, 9, 9, 0, resizeHandleImage.getImageId(), cnv->selectedOutlineCol));

nvgFill(nvg);

angle -= 90;

}

#ifdef SPACER_TEXT

nvgBeginPath(nvg);

auto textPos = getPosition().translated(0, -25);

nvgFontSize(nvg, 20.0f);

nvgTextAlign(nvg, NVG_ALIGN_LEFT | NVG_ALIGN_TOP);

nvgFillColor(nvg, nvgRGBA(240, 240, 240, 255));

nvgText(nvg, textPos.x, textPos.y, String("Spacer size: " + String(spacer + 1.0f)).toStdString().c_str(), nullptr);

#endif

}

ResizableBorderComponent border;

ComponentBoundsConstrainer constrainer;

Canvas* cnv;

int tabMargin = Object::margin;

Point<int> originalPos;

float spacer = 0;

ResizerMode mode;

std::function<float(Rectangle<int>)> onResize;

std::function<void(Point<int>)> onMove;

: NVGComponent(this)

, editor(parent)

, pd(parent->pd)

, refCountedPatch(p)

, patch(*p)

, canvasOrigin(Point<int>(infiniteCanvasSize / 2, infiniteCanvasSize / 2))

, graphArea(nullptr)

, pathUpdater(new ConnectionPathUpdater(this))

, globalMouseListener(this)

{

selectedComponents.addChangeListener(this);

addAndMakeVisible(objectLayer);

addAndMakeVisible(connectionLayer);

objectLayer.setInterceptsMouseClicks(false, true);

connectionLayer.setInterceptsMouseClicks(false, true);

if (auto patchPtr = patch.getPointer()) {

isGraphChild = glist_isgraph(patchPtr.get());

hideNameAndArgs = static_cast<bool>(patchPtr->gl_hidetext);

xRange = VarArray { var(patchPtr->gl_x1), var(patchPtr->gl_x2) };

yRange = VarArray { var(patchPtr->gl_y2), var(patchPtr->gl_y1) };

}

pd->registerMessageListener(patch.getUncheckedPointer(), this);

isGraphChild.addListener(this);

hideNameAndArgs.addListener(this);

xRange.addListener(this);

yRange.addListener(this);

auto const patchBounds = patch.getBounds();

patchWidth = patchBounds.getWidth();

patchHeight = patchBounds.getHeight();

patchWidth.addListener(this);

patchHeight.addListener(this);

globalMouseListener.globalMouseMove = [this](MouseEvent const& e) {

lastMouseX = e.x;

lastMouseY = e.y;

};

globalMouseListener.globalMouseDrag = [this](MouseEvent const& e) {

lastMouseX = e.x;

lastMouseY = e.y;

};

suggestor = std::make_unique<SuggestionComponent>();

canvasBorderResizer = std::make_unique<BorderResizer>(this);

canvasBorderResizer->onDrag = [this] {

patchWidth = std::max(0, canvasBorderResizer->getBounds().getCentreX() - canvasOrigin.x);

patchHeight = std::max(0, canvasBorderResizer->getBounds().getCentreY() - canvasOrigin.y);

};

canvasBorderResizer->setCentrePosition(canvasOrigin.x + patchBounds.getWidth(), canvasOrigin.y + patchBounds.getHeight());

addAndMakeVisible(canvasBorderResizer.get());

// Check if canvas belongs to a graph

if (parentGraph) {

setLookAndFeel(&editor->getLookAndFeel());

parentGraph->addAndMakeVisible(this);

setInterceptsMouseClicks(false, true);

isGraph = true;

} else {

isGraph = false;

}

if (!isGraph) {

auto* canvasViewport = new CanvasViewport(editor, this);

canvasViewport->setViewedComponent(this, false);

canvasViewport->onScroll = [this] {

if (suggestor) {

suggestor->updateBounds();

}

if (graphArea) {

graphArea->updateBounds();

}

};

canvasViewport->setScrollBarsShown(true, true, true, true);

viewport.reset(canvasViewport); // Owned by the tabbar, but doesn't exist for graph!

restoreViewportState();

}

commandLocked.referTo(pd->commandLocked);

commandLocked.addListener(this);

// pd->commandLocked doesn't get updated when a canvas isn't active

// So we set it to false here when a canvas is remade

// Otherwise the last canvas could have set it true, and it would still be

// in that state without command actually being locked

if (!isGraph)

commandLocked.setValue(false);

// init border for testing

settingsChanged("border", SettingsFile::getInstance()->getPropertyAsValue("border"));

// Add draggable border for setting graph position

if (getValue<bool>(isGraphChild) && !isGraph) {

graphArea = std::make_unique<GraphArea>(this);

addAndMakeVisible(*graphArea);

graphArea->setAlwaysOnTop(true);

}

setSize(infiniteCanvasSize, infiniteCanvasSize);

// initialize to default zoom

auto const defaultZoom = SettingsFile::getInstance()->getPropertyAsValue("default_zoom");

zoomScale.setValue(getValue<float>(defaultZoom) / 100.0f);

zoomScale.addListener(this);

// Add lasso component

addAndMakeVisible(&lasso);

lasso.setAlwaysOnTop(true);

setWantsKeyboardFocus(true);

if (!isGraph) {

presentationMode.addListener(this);

} else {

presentationMode = false;

}

performSynchronise();

// Start in unlocked mode if the patch is empty

if (objects.empty()) {

locked = false;

if (auto patchPtr = patch.getPointer())

patchPtr->gl_edit = false;

} else {

if (auto patchPtr = patch.getPointer())

locked = !patchPtr->gl_edit;

}

locked.addListener(this);

editor->addModifierKeyListener(this);

updateOverlays();

orderConnections();

parameters.addParamBool("Is graph", cGeneral, &isGraphChild, { "No", "Yes" }, 0);

parameters.addParamBool("Hide name and arguments", cGeneral, &hideNameAndArgs, { "No", "Yes" }, 0);

parameters.addParamRange("X range", cGeneral, &xRange, { 0.0f, 1.0f });

parameters.addParamRange("Y range", cGeneral, &yRange, { 1.0f, 0.0f });

auto onInteractionFn = [this](bool const state) {

dimensionsAreBeingEdited = state;

repaint();

};

parameters.addParamInt("Width", cDimensions, &patchWidth, 527, true, 0, 1<<30, onInteractionFn);

parameters.addParamInt("Height", cDimensions, &patchHeight, 327, true, 0, 1<<30, onInteractionFn);

if (!isGraph) {

patch.setVisible(true);

}

lookAndFeelChanged();

{

if (c == &selectedComponents) {

auto isSelectedDifferent = [](SelectedItemSet<WeakReference<Component>> const& set1, SelectedItemSet<WeakReference<Component>> const& set2) -> bool {

if (set1.getNumSelected() != set2.getNumSelected())

return true;

for (int i = 0; i < set1.getNumSelected(); i++) {

if (!set2.isSelected(set1.getSelectedItem(i)))

return true;

}

return false; // identical

};

if (isSelectedDifferent(selectedComponents, previousSelectedComponents)) {

previousSelectedComponents = selectedComponents;

editor->updateSelection(this);

}

}

{

// Canvas colours

auto const& lnf = editor->getLookAndFeel();

canvasBackgroundColJuce = lnf.findColour(PlugDataColour::canvasBackgroundColourId);

canvasBackgroundCol = convertColour(canvasBackgroundColJuce);

canvasMarkingsColJuce = lnf.findColour(PlugDataColour::canvasDotsColourId).interpolatedWith(canvasBackgroundColJuce, 0.2f);

canvasMarkingsCol = convertColour(canvasMarkingsColJuce);

canvasTextColJuce = lnf.findColour(PlugDataColour::canvasTextColourId);

// Object colours

objectOutlineCol = convertColour(lnf.findColour(PlugDataColour::objectOutlineColourId));

outlineCol = convertColour(lnf.findColour(PlugDataColour::outlineColourId));

textObjectBackgroundCol = convertColour(lnf.findColour(PlugDataColour::textObjectBackgroundColourId));

ioletLockedCol = convertColour(canvasBackgroundColJuce.contrasting(0.5f));

commentTextCol = convertColour(lnf.findColour(PlugDataColour::commentTextColourId));

guiObjectInternalOutlineColJuce = lnf.findColour(PlugDataColour::guiObjectInternalOutlineColour);

guiObjectInternalOutlineCol = convertColour(guiObjectInternalOutlineColJuce);

guiObjectBackgroundColJuce = lnf.findColour(PlugDataColour::guiObjectBackgroundColourId);

guiObjectBackgroundCol = convertColour(guiObjectBackgroundColJuce);

auto const selectedColJuce = lnf.findColour(PlugDataColour::objectSelectedOutlineColourId);

selectedOutlineCol = convertColour(selectedColJuce);

transparentObjectBackgroundCol = convertColour(canvasBackgroundColJuce.contrasting(0.35f).withAlpha(0.1f));

indexTextCol = convertColour(selectedColJuce.contrasting());

graphAreaCol = convertColour(lnf.findColour(PlugDataColour::graphAreaColourId));

// Lasso colours

lassoCol = convertColour(selectedColJuce.withAlpha(0.075f));

lassoOutlineCol = convertColour(canvasBackgroundColJuce.interpolatedWith(selectedColJuce, 0.65f));

// Presentation mode colors

auto const presentationBackgroundColJuce = lnf.findColour(PlugDataColour::presentationBackgroundColourId);

presentationBackgroundCol = convertColour(presentationBackgroundColJuce);

presentationWindowOutlineCol = convertColour(presentationBackgroundColJuce.contrasting(0.3f));

// Connection / Iolet colours

auto const dataColJuce = lnf.findColour(PlugDataColour::dataColourId);

dataCol = convertColour(dataColJuce);

auto const sigColJuce = lnf.findColour(PlugDataColour::signalColourId);

sigCol = convertColour(sigColJuce);

auto const gemColJuce = lnf.findColour(PlugDataColour::gemColourId);

gemCol = convertColour(gemColJuce);

auto const baseColJuce = lnf.findColour(PlugDataColour::connectionColourId);

baseCol = convertColour(baseColJuce);

dataColBrighter = convertColour(dataColJuce.brighter());

sigColBrighter = convertColour(sigColJuce.brighter());

gemColBrigher = convertColour(gemColJuce.brighter());

baseColBrigher = convertColour(baseColJuce.brighter());

{

// If the canvas has been added back into the editor, update the look and feel

// We need to do this because canvases are removed from the parent hierarchy when not visible

// TODO: consider setting a flag when look and feel actually changes, and read that here

if (getParentComponent()) {

sendLookAndFeelChange();

}

{

for (auto const& object : objects) {

if (object->gui) {

object->gui->updateFramebuffers();

}

}

auto const pixelScale = getRenderScale();

auto zoom = getValue<float>(zoomScale);

constexpr int resizerLogicalSize = 9;

float const viewScale = pixelScale * zoom;

int const resizerBufferSize = resizerLogicalSize * viewScale;

if (resizeHandleImage.needsUpdate(resizerBufferSize, resizerBufferSize)) {

resizeHandleImage = NVGImage(nvg, resizerBufferSize, resizerBufferSize, [viewScale](Graphics& g) {

g.addTransform(AffineTransform::scale(viewScale, viewScale));

auto const b = Rectangle<int>(0, 0, 9, 9);

// use the path with a hole in it to exclude the inner rounded rect from painting

Path outerArea;

outerArea.addRectangle(b);

outerArea.setUsingNonZeroWinding(false);

Path innerArea;

auto const innerRect = b.translated(Object::margin / 2, Object::margin / 2);

innerArea.addRoundedRectangle(innerRect, Corners::objectCornerRadius);

outerArea.addPath(innerArea);

g.reduceClipRegion(outerArea);

g.setColour(Colours::white); // For alpha image colour isn't important

g.fillRoundedRectangle(0.0f, 0.0f, 9.0f, 9.0f, Corners::resizeHanleCornerRadius); }, NVGImage::AlphaImage);

editor->nvgSurface.invalidateAll();

}

auto gridLogicalSize = objectGrid.gridSize ? objectGrid.gridSize : 25;

auto gridSizeCommon = 300;

auto const gridBufferSize = gridSizeCommon * pixelScale * zoom;

if (dotsLargeImage.needsUpdate(gridBufferSize, gridBufferSize) || lastObjectGridSize != gridLogicalSize) {

lastObjectGridSize = gridLogicalSize;

dotsLargeImage = NVGImage(nvg, gridBufferSize, gridBufferSize, [this, zoom, viewScale, gridLogicalSize, gridSizeCommon](Graphics& g) {

g.addTransform(AffineTransform::scale(viewScale, viewScale));

float const ellipseRadius = zoom < 1.0f ? jmap(zoom, 0.25f, 1.0f, 3.0f, 1.0f) : 1.0f;

int decim = 0;

switch (gridLogicalSize) {

case 5:

case 10:

if (zoom < 1.0f)

decim = 4;

if (zoom < 0.5f)

decim = 6;

break;

case 15:

if (zoom < 1.0f)

decim = 4;

if (zoom < 0.5f)

decim = 8;

break;

case 20:

case 25:

if (zoom < 1.0f)

decim = 3;

if (zoom < 0.5f)

decim = 6;

break;

case 30:

if (zoom < 1.0f)

decim = 12;

if (zoom < 0.5f)

decim = 12;

break;

}

auto const majorDotColour = canvasMarkingsColJuce.withAlpha(std::min(zoom * 0.8f, 1.0f));

g.setColour(majorDotColour);

// Draw ellipses on the grid

for (int x = 0; x <= gridSizeCommon; x += gridLogicalSize)

{

for (int y = 0; y <= gridSizeCommon; y += gridLogicalSize)

{

if (decim != 0) {

if (x % decim && y % decim)

continue;

g.setColour(majorDotColour);

if (x % decim == 0 && y % decim == 0)

g.setColour(canvasMarkingsColJuce);

}

// Add half smallest dot offset so the dot isn't at the edge of the texture

// We remove this when we position the texture on the canvas

float const centerX = static_cast<float>(x) + 2.5f;

float const centerY = static_cast<float>(y) + 2.5f;

g.fillEllipse(centerX - ellipseRadius, centerY - ellipseRadius, ellipseRadius * 2.0f, ellipseRadius * 2.0f);

}

} }, NVGImage::RepeatImage, canvasBackgroundColJuce);

editor->nvgSurface.invalidateAll();

}

return true;

{

constexpr auto halfSize = infiniteCanvasSize / 2;

auto const zoom = getValue<float>(zoomScale);

bool const isLocked = getValue<bool>(locked);

nvgSave(nvg);

if (viewport) {

nvgTranslate(nvg, -viewport->getViewPositionX(), -viewport->getViewPositionY());

nvgScale(nvg, zoom, zoom);

invalidRegion = invalidRegion.translated(viewport->getViewPositionX(), viewport->getViewPositionY());

invalidRegion /= zoom;

if(isLocked)

{

nvgFillColor(nvg, canvasBackgroundCol);

nvgFillRect(nvg, invalidRegion.getX(), invalidRegion.getY(), invalidRegion.getWidth(), invalidRegion.getHeight());

}

else {

nvgBeginPath(nvg);

nvgRect(nvg, 0, 0, infiniteCanvasSize, infiniteCanvasSize);

// Use least common multiple of grid sizes: 5,10,15,20,25,30 for texture size for now

// We repeat the texture on GPU, this is so the texture does not become too small for GPU processing

// There will be a best fit depending on CPU/GPU calcuations.

// But currently 300 works well on GPU.

{

constexpr auto gridSizeCommon = 300;

NVGScopedState scopedState(nvg);

// offset image texture by 2.5f so no dots are on the edge of the texture

nvgTranslate(nvg, canvasOrigin.x - 2.5f, canvasOrigin.x - 2.5f);

nvgFillPaint(nvg, nvgImagePattern(nvg, 0, 0, gridSizeCommon, gridSizeCommon, 0, dotsLargeImage.getImageId(), 1));

nvgFill(nvg);

}

}

}

auto drawBorder = [this, nvg, zoom](bool const bg, bool const fg) {

if (viewport && (showOrigin || showBorder) && !::getValue<bool>(presentationMode)) {

NVGScopedState scopedState(nvg);

nvgBeginPath(nvg);

auto const borderWidth = getValue<float>(patchWidth);

auto const borderHeight = getValue<float>(patchHeight);

constexpr auto pos = Point<int>(halfSize, halfSize);

auto scaledStrokeSize = zoom < 1.0f ? jmap(zoom, 1.0f, 0.25f, 1.5f, 4.0f) : 1.5f;

if (zoom < 0.3f && getRenderScale() <= 1.0f)

scaledStrokeSize = jmap(zoom, 0.3f, 0.25f, 4.0f, 8.0f);

if (bg) {

nvgBeginPath(nvg);

nvgMoveTo(nvg, pos.x, pos.y);

nvgLineTo(nvg, pos.x, pos.y + (showOrigin ? halfSize : borderHeight));

nvgMoveTo(nvg, pos.x, pos.y);

nvgLineTo(nvg, pos.x + (showOrigin ? halfSize : borderWidth), pos.y);

if (showBorder) {

nvgMoveTo(nvg, pos.x + borderWidth, pos.y);

nvgLineTo(nvg, pos.x + borderWidth, pos.y + borderHeight);

nvgLineTo(nvg, pos.x, pos.y + borderHeight);

}

nvgLineStyle(nvg, NVG_LINE_SOLID);

nvgStrokeColor(nvg, canvasBackgroundCol);

nvgStrokeWidth(nvg, 8.0f);

nvgStroke(nvg);

nvgFillColor(nvg, canvasBackgroundCol);

nvgFillRect(nvg, pos.x - 1.0f, pos.y - 1.0f, 2, 2);

}

nvgStrokeColor(nvg, canvasMarkingsCol);

nvgStrokeWidth(nvg, scaledStrokeSize);

nvgDashLength(nvg, 8.0f);

nvgLineStyle(nvg, NVG_LINE_DASHED);

if (fg) {

nvgBeginPath(nvg);

nvgMoveTo(nvg, pos.x, pos.y);

nvgLineTo(nvg, pos.x, pos.y + (showOrigin ? halfSize : borderHeight));

nvgStroke(nvg);

nvgBeginPath(nvg);

nvgMoveTo(nvg, pos.x, pos.y);

nvgLineTo(nvg, pos.x + (showOrigin ? halfSize : borderWidth), pos.y);

nvgStroke(nvg);

// Connect origin lines at {0, 0}

/*

}

if (showBorder && fg) {

nvgStrokeWidth(nvg, scaledStrokeSize);

nvgLineStyle(nvg, NVG_LINE_DASHED);

nvgBeginPath(nvg);

nvgMoveTo(nvg, pos.x + borderWidth, pos.y + borderHeight);

nvgLineTo(nvg, pos.x + borderWidth, pos.y);

nvgStroke(nvg);

nvgBeginPath(nvg);

nvgMoveTo(nvg, pos.x + borderWidth, pos.y + borderHeight);

nvgLineTo(nvg, pos.x, pos.y + borderHeight);

nvgStroke(nvg);

canvasBorderResizer->render(nvg);

}

}

};

if (!dimensionsAreBeingEdited)

drawBorder(true, true);

else

drawBorder(true, false);

// Render objects like [drawcurve], [fillcurve] etc. at the back

for (auto drawable : drawables) {

if (drawable) {

auto const* component = dynamic_cast<Component*>(drawable.get());

if (invalidRegion.intersects(component->getBounds())) {

drawable->render(nvg);

}

}

}

if (::getValue<bool>(presentationMode) || isGraph) {

renderAllObjects(nvg, invalidRegion);

// render presentation mode as clipped 'virtual' plugin view

if (::getValue<bool>(presentationMode)) {

auto const borderWidth = getValue<float>(patchWidth);

auto const borderHeight = getValue<float>(patchHeight);

constexpr auto pos = Point<int>(halfSize, halfSize);

auto const scale = getValue<float>(zoomScale);

auto const windowCorner = Corners::windowCornerRadius / scale;

NVGScopedState scopedState(nvg);

// background colour to crop outside of border area

nvgBeginPath(nvg);

nvgRect(nvg, 0, 0, infiniteCanvasSize, infiniteCanvasSize);

nvgPathWinding(nvg, NVG_HOLE);

nvgRoundedRect(nvg, pos.getX(), pos.getY(), borderWidth, borderHeight, windowCorner);

nvgFillColor(nvg, presentationBackgroundCol);

nvgFill(nvg);

// background drop shadow to simulate a virtual plugin

nvgBeginPath(nvg);

nvgRect(nvg, 0, 0, infiniteCanvasSize, infiniteCanvasSize);

nvgPathWinding(nvg, NVG_HOLE);

nvgRoundedRect(nvg, pos.getX(), pos.getY(), borderWidth, borderHeight, windowCorner);

int const shadowSize = 24 / scale;

auto borderArea = Rectangle<int>(0, 0, borderWidth, borderHeight).expanded(shadowSize);

if (presentationShadowImage.needsUpdate(borderArea.getWidth(), borderArea.getHeight())) {

presentationShadowImage = NVGImage(nvg, borderArea.getWidth(), borderArea.getHeight(), [borderArea, shadowSize, windowCorner](Graphics& g) {

auto shadowPath = Path();

shadowPath.addRoundedRectangle(borderArea.reduced(shadowSize).withPosition(shadowSize, shadowSize), windowCorner);

StackShadow::renderDropShadow(0, g, shadowPath, Colours::white.withAlpha(0.3f), shadowSize, Point<int>(0, 2)); }, NVGImage::AlphaImage);

}

auto const shadowImage = nvgImageAlphaPattern(nvg, pos.getX() - shadowSize, pos.getY() - shadowSize, borderArea.getWidth(), borderArea.getHeight(), 0, presentationShadowImage.getImageId(), convertColour(Colours::black));

nvgStrokeColor(nvg, presentationWindowOutlineCol);

nvgStrokeWidth(nvg, 0.5f / scale);

nvgFillPaint(nvg, shadowImage);

nvgFill(nvg);

nvgStroke(nvg);

}

}

// render connections infront or behind objects depending on lock mode or overlay setting

else {

if (connectionsBehind) {

renderAllConnections(nvg, invalidRegion);

renderAllObjects(nvg, invalidRegion);

} else {

renderAllObjects(nvg, invalidRegion);

renderAllConnections(nvg, invalidRegion);

}

}

for (auto* connection : connectionsBeingCreated) {

NVGScopedState scopedState(nvg);

connection->render(nvg);

}

if (graphArea) {

NVGScopedState scopedState(nvg);

nvgTranslate(nvg, graphArea->getX(), graphArea->getY());

graphArea->render(nvg);

}

objectGrid.render(nvg);

if (viewport && lasso.isVisible() && !lasso.getBounds().isEmpty()) {

auto lassoBounds = lasso.getBounds();

lassoBounds = lassoBounds.withSize(jmax(lasso.getWidth(), 2), jmax(lasso.getHeight(), 2));

nvgDrawRoundedRect(nvg, lassoBounds.getX(), lassoBounds.getY(), lassoBounds.getWidth(), lassoBounds.getHeight(), lassoCol, lassoOutlineCol, 0.0f);

}

suggestor->renderAutocompletion(nvg);

// Draw the search panel's selected object over all other objects

// Because objects can be underneath others

if (canvasSearchHighlight)

canvasSearchHighlight->render(nvg);

if (dimensionsAreBeingEdited)

drawBorder(false, true);

if (objectsDistributeResizer)

objectsDistributeResizer->render(nvg);

nvgRestore(nvg);

// Draw scrollbars

if (viewport) {

reinterpret_cast<CanvasViewport*>(viewport.get())->render(nvg, viewport->getLocalArea(this, invalidRegion));

}

{

for (auto* obj : objects) {

{

auto b = obj->getBounds();

NVGScopedState scopedState(nvg);

nvgTranslate(nvg, b.getX(), b.getY());

if (b.intersects(area) && obj->isVisible()) {

obj->render(nvg);

}

}

// Draw label in canvas coordinates

obj->renderLabel(nvg);

}

{

if (!connectionLayer.isVisible())

return;

// TODO: Can we clean this up? We will want to have selected connections in-front,

// and take precedence over non-selected for resize handles

SmallArray<Connection*> connectionsToDraw;

SmallArray<Connection*> connectionsToDrawSelected;

Connection* hovered = nullptr;

for (auto* connection : connections) {

NVGScopedState scopedState(nvg);

if (connection->intersectsRectangle(area) && connection->isVisible()) {

if (connection->isMouseHovering())

hovered = connection;

else if (!connection->isSelected())

connection->render(nvg);

else

connectionsToDrawSelected.add(connection);

if (showConnectionOrder) {

connectionsToDraw.add(connection);

}

}

}

// Draw all selected connections in front

if (connectionsToDrawSelected.not_empty()) {

for (auto* connection : connectionsToDrawSelected) {

NVGScopedState scopedState(nvg);

connection->render(nvg);

}

}

if (hovered) {

NVGScopedState scopedState(nvg);

hovered->render(nvg);

}

if (connectionsToDraw.not_empty()) {

for (auto* connection : connectionsToDraw) {

NVGScopedState scopedState(nvg);

connection->renderConnectionOrder(nvg);

}

}

{

switch (hash(name)) {

case hash("grid_size"):

repaint();

break;

case hash("border"):

showBorder = static_cast<int>(value);

repaint();

break;

case hash("edit"):

case hash("lock"):

case hash("run"):

case hash("alt"):

case hash("alt_mode"): {

updateOverlays();

break;

}

}

{

int overlayState = 0;

auto const overlaysTree = SettingsFile::getInstance()->getValueTree().getChildWithName("Overlays");

auto const altModeEnabled = overlaysTree.getProperty("alt_mode") && !isGraph;

if (!locked.getValue()) {

overlayState = overlaysTree.getProperty("edit");

}

if (locked.getValue() || commandLocked.getValue()) {

overlayState = overlaysTree.getProperty("lock");

}

if (altModeEnabled) {

overlayState = overlaysTree.getProperty("alt");

}

return overlayState;

{

int const overlayState = getOverlays();

showBorder = overlayState & Border;

showOrigin = overlayState & Origin;

showConnectionOrder = overlayState & Order;

connectionsBehind = overlayState & Behind;

showObjectActivity = overlayState & ActivationState;

showIndex = overlayState & Index;

showConnectionDirection = overlayState & Direction;

showConnectionActivity = overlayState & ConnectionActivity;

set_plugdata_activity_enabled(showObjectActivity);

orderConnections();

repaint();

{

if (viewport)

viewport->setViewPosition((canvasOrigin + Point<int>(1, 1)).transformedBy(getTransform()));

{

if (viewport) {

viewport->setViewPosition((patch.lastViewportPosition + canvasOrigin).transformedBy(getTransform()));

zoomScale.setValue(patch.lastViewportScale);

setTransform(AffineTransform().scaled(patch.lastViewportScale));

}

{

if (viewport) {

patch.lastViewportPosition = viewport->getViewPosition().transformedBy(getTransform().inverted()) - canvasOrigin;

patch.lastViewportScale = getValue<float>(zoomScale);

}

{

if (objects.empty() || !viewport)

return;

auto scale = getValue<float>(zoomScale);

auto regionOfInterest = Rectangle<int>(canvasOrigin.x, canvasOrigin.y, 20, 20);