mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
cfc006aaf9
A major benefit of this change is that the menu in the DemoRunner will now display reasonably on mobile devices with notches or other decorations.
334 lines
11 KiB
C++
334 lines
11 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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SidePanel::SidePanel (StringRef title, int width, bool positionOnLeft,
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Component* contentToDisplay, bool deleteComponentWhenNoLongerNeeded)
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: titleLabel ("titleLabel", title),
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isOnLeft (positionOnLeft),
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panelWidth (width)
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{
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lookAndFeelChanged();
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addAndMakeVisible (titleLabel);
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dismissButton.onClick = [this] { showOrHide (false); };
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addAndMakeVisible (dismissButton);
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auto& desktop = Desktop::getInstance();
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desktop.addGlobalMouseListener (this);
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desktop.getAnimator().addChangeListener (this);
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if (contentToDisplay != nullptr)
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setContent (contentToDisplay, deleteComponentWhenNoLongerNeeded);
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setOpaque (false);
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setVisible (false);
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setAlwaysOnTop (true);
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}
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SidePanel::~SidePanel()
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{
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auto& desktop = Desktop::getInstance();
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desktop.removeGlobalMouseListener (this);
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desktop.getAnimator().removeChangeListener (this);
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if (parent != nullptr)
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parent->removeComponentListener (this);
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}
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void SidePanel::setContent (Component* newContent, bool deleteComponentWhenNoLongerNeeded)
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{
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if (contentComponent.get() != newContent)
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{
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if (deleteComponentWhenNoLongerNeeded)
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contentComponent.setOwned (newContent);
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else
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contentComponent.setNonOwned (newContent);
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addAndMakeVisible (contentComponent);
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resized();
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}
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}
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void SidePanel::setTitleBarComponent (Component* titleBarComponentToUse,
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bool keepDismissButton,
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bool deleteComponentWhenNoLongerNeeded)
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{
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if (titleBarComponent.get() != titleBarComponentToUse)
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{
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if (deleteComponentWhenNoLongerNeeded)
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titleBarComponent.setOwned (titleBarComponentToUse);
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else
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titleBarComponent.setNonOwned (titleBarComponentToUse);
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addAndMakeVisible (titleBarComponent);
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resized();
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}
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shouldShowDismissButton = keepDismissButton;
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}
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void SidePanel::showOrHide (bool show)
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{
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if (parent != nullptr)
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{
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isShowing = show;
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Desktop::getInstance().getAnimator().animateComponent (this, calculateBoundsInParent (*parent),
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1.0f, 250, true, 1.0, 0.0);
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if (isShowing && ! isVisible())
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setVisible (true);
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}
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}
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void SidePanel::moved()
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{
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NullCheckedInvocation::invoke (onPanelMove);
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}
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void SidePanel::resized()
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{
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auto bounds = getLocalBounds();
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calculateAndRemoveShadowBounds (bounds);
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const auto fullScreen = std::invoke ([&]
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{
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if (auto* peer = getPeer())
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return peer->isFullScreen();
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return false;
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});
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if (fullScreen && isContentRestrictedToSafeArea() && parent != nullptr)
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{
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if (auto* display = Desktop::getInstance().getDisplays().getDisplayForRect (parent->getScreenBounds()))
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{
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const auto safeArea = display->safeAreaInsets.subtractedFrom (display->keyboardInsets.subtractedFrom (display->userArea));
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const auto safeAreaInLocalSpace = getLocalArea (nullptr, safeArea) + getCurrentOffset();
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bounds = bounds.getIntersection (safeAreaInLocalSpace);
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}
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}
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auto titleBounds = bounds.removeFromTop (titleBarHeight);
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if (titleBarComponent != nullptr)
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{
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if (shouldShowDismissButton)
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dismissButton.setBounds (isOnLeft ? titleBounds.removeFromRight (30).withTrimmedRight (10)
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: titleBounds.removeFromLeft (30).withTrimmedLeft (10));
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titleBarComponent->setBounds (titleBounds);
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}
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else
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{
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dismissButton.setBounds (isOnLeft ? titleBounds.removeFromRight (30).withTrimmedRight (10)
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: titleBounds.removeFromLeft (30).withTrimmedLeft (10));
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titleLabel.setBounds (isOnLeft ? titleBounds.withTrimmedRight (40)
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: titleBounds.withTrimmedLeft (40));
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}
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if (contentComponent != nullptr)
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contentComponent->setBounds (bounds);
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}
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void SidePanel::paint (Graphics& g)
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{
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auto& lf = getLookAndFeel();
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auto bgColour = lf.findColour (SidePanel::backgroundColour);
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auto shadowColour = lf.findColour (SidePanel::shadowBaseColour);
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g.setGradientFill (ColourGradient (shadowColour.withAlpha (0.7f), (isOnLeft ? shadowArea.getTopLeft()
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: shadowArea.getTopRight()).toFloat(),
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shadowColour.withAlpha (0.0f), (isOnLeft ? shadowArea.getTopRight()
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: shadowArea.getTopLeft()).toFloat(), false));
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g.fillRect (shadowArea);
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g.reduceClipRegion (getLocalBounds().withTrimmedRight (shadowArea.getWidth())
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.withX (isOnLeft ? 0 : shadowArea.getWidth()));
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g.fillAll (bgColour);
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}
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void SidePanel::parentHierarchyChanged()
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{
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auto* newParent = getParentComponent();
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if ((newParent != nullptr) && (parent != newParent))
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{
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if (parent != nullptr)
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parent->removeComponentListener (this);
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parent = newParent;
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parent->addComponentListener (this);
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}
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}
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void SidePanel::mouseDrag (const MouseEvent& e)
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{
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if (shouldResize)
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{
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Point<int> convertedPoint;
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if (getParentComponent() == nullptr)
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convertedPoint = e.eventComponent->localPointToGlobal (e.getPosition());
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else
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convertedPoint = getParentComponent()->getLocalPoint (e.eventComponent, e.getPosition());
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auto currentMouseDragX = convertedPoint.x;
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if (isOnLeft)
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{
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amountMoved = startingBounds.getRight() - currentMouseDragX;
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setBounds (getBounds().withX (startingBounds.getX() - jmax (amountMoved, 0)));
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}
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else
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{
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amountMoved = currentMouseDragX - startingBounds.getX();
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setBounds (getBounds().withX (startingBounds.getX() + jmax (amountMoved, 0)));
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}
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}
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else if (isShowing)
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{
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auto relativeMouseDownPosition = getLocalPoint (e.eventComponent, e.getMouseDownPosition());
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auto relativeMouseDragPosition = getLocalPoint (e.eventComponent, e.getPosition());
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if (! getLocalBounds().contains (relativeMouseDownPosition)
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&& getLocalBounds().contains (relativeMouseDragPosition))
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{
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shouldResize = true;
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startingBounds = getBounds();
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}
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}
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}
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void SidePanel::mouseUp (const MouseEvent&)
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{
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if (shouldResize)
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{
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showOrHide (amountMoved < (panelWidth / 2));
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amountMoved = 0;
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shouldResize = false;
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}
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}
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//==============================================================================
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void SidePanel::lookAndFeelChanged()
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{
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auto& lf = getLookAndFeel();
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dismissButton.setShape (lf.getSidePanelDismissButtonShape (*this), false, true, false);
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dismissButton.setColours (lf.findColour (SidePanel::dismissButtonNormalColour),
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lf.findColour (SidePanel::dismissButtonOverColour),
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lf.findColour (SidePanel::dismissButtonDownColour));
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titleLabel.setFont (lf.getSidePanelTitleFont (*this));
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titleLabel.setColour (Label::textColourId, findColour (SidePanel::titleTextColour));
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titleLabel.setJustificationType (lf.getSidePanelTitleJustification (*this));
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}
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void SidePanel::componentMovedOrResized (Component& component, [[maybe_unused]] bool wasMoved, bool wasResized)
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{
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if (wasResized && (&component == parent))
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setBounds (calculateBoundsInParent (component));
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}
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void SidePanel::changeListenerCallback (ChangeBroadcaster*)
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{
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if (! Desktop::getInstance().getAnimator().isAnimating (this))
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{
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NullCheckedInvocation::invoke (onPanelShowHide, isShowing);
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if (isVisible() && ! isShowing)
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setVisible (false);
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}
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}
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Rectangle<int> SidePanel::calculateShowingBoundsInParent (Component& parentComp) const
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{
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auto parentBounds = parentComp.getLocalBounds();
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return isOnLeft ? parentBounds.removeFromLeft (panelWidth)
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: parentBounds.removeFromRight (panelWidth);
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}
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Point<int> SidePanel::getCurrentOffset() const
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{
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if (isShowing)
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return {};
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return { isOnLeft ? -panelWidth : panelWidth, 0 };
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}
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Rectangle<int> SidePanel::calculateBoundsInParent (Component& parentComp) const
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{
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return calculateShowingBoundsInParent (parentComp) + getCurrentOffset();
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}
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void SidePanel::calculateAndRemoveShadowBounds (Rectangle<int>& bounds)
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{
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shadowArea = isOnLeft ? bounds.removeFromRight (shadowWidth)
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: bounds.removeFromLeft (shadowWidth);
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}
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bool SidePanel::isMouseEventInThisOrChildren (Component* eventComponent)
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{
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if (eventComponent == this)
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return true;
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for (auto& child : getChildren())
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if (eventComponent == child)
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return true;
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return false;
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}
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//==============================================================================
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std::unique_ptr<AccessibilityHandler> SidePanel::createAccessibilityHandler()
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{
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return std::make_unique<AccessibilityHandler> (*this, AccessibilityRole::group);
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}
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} // namespace juce
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