/* ============================================================================== MIT License Copyright (c) 2020 Tal Aviram Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ============================================================================== */ #pragma once #include "JuceHeader.h" #include "../audio/BooleanParameter.h" namespace jux { //============================================================================== /** Fancy looking toggable button. commonly used in modern UIs. @see juce::ToggableButton */ class SwitchButton : public juce::Button, public juce::AudioProcessorParameter::Listener { public: enum ColourIds { switchColour = 0x1B06000, switchOnBackgroundColour = 0x1B06001, switchOffBackgroundColour = 0x1B06002 }; SwitchButton (juce::String name, bool isInverted, bool isVertical = false) : Button ("SwitchButton"), isInverted (isInverted), isVertical (isVertical) { setClickingTogglesState (true); addAndMakeVisible (switchCircle); switchCircle.setWantsKeyboardFocus (false); switchCircle.setInterceptsMouseClicks (false, false); } SwitchButton(BooleanParameter* parameter) : SwitchButton(parameter->name, false) { this->parameter = parameter; setToggleState(parameter->getBoolValue(), juce::NotificationType::dontSendNotification); parameter->addListener(this); onStateChange = [this]() { this->parameter->setBoolValueNotifyingHost(getToggleState()); }; addAndMakeVisible(label); label.setTooltip(parameter->getDescription()); label.setText(parameter->name, juce::NotificationType::dontSendNotification); } ~SwitchButton() { if (parameter != nullptr) { parameter->removeListener(this); } } void parameterValueChanged(int parameterIndex, float newValue) override { juce::WeakReference weakThis = this; juce::MessageManager::callAsync([weakThis]() { if (weakThis != nullptr) { weakThis->setToggleState(weakThis->parameter->getBoolValue(), juce::NotificationType::dontSendNotification); } }); } void parameterGestureChanged(int parameterIndex, bool gestureIsStarting) override {} void setMillisecondsToSpendMoving (int newValue) { millisecondsToSpendMoving = newValue; } void paintButton (juce::Graphics& g, bool shouldDrawButtonAsHighlighted, bool shouldDrawButtonAsDown) override { auto b = getSwitchBounds(); auto cornerSize = (isVertical ? b.getWidth() : b.getHeight()) * 0.5; g.setColour (juce::Colours::black.withAlpha (0.1f)); g.drawRoundedRectangle (b, cornerSize, 2.0f); g.setColour (findColour (getSwitchState() ? switchOnBackgroundColour : switchOffBackgroundColour)); g.fillRoundedRectangle (b, cornerSize); juce::Path switchPath; switchPath.addRoundedRectangle (b, cornerSize, cornerSize); g.fillPath (switchPath); if (prevToggleState != getToggleState()) { juce::Rectangle switchCircleBounds; if (! isVertical) switchCircleBounds = { getSwitchState() ? b.getRight() - b.getHeight() : b.getX(), b.getY(), b.getHeight(), b.getHeight() }; else switchCircleBounds = { b.getX(), getSwitchState() ? b.getBottom() - b.getWidth() : b.getY(), b.getWidth(), b.getWidth() }; animator.animateComponent (&switchCircle, switchCircleBounds.reduced (1).toNearestInt(), 1.0, millisecondsToSpendMoving, false, 0.5, 0); } prevToggleState = getToggleState(); } void resized() override { Button::resized(); auto b = getSwitchBounds(); label.setBounds(getLabelBounds()); juce::Rectangle switchCircleBounds; if (!isVertical) switchCircleBounds = { getSwitchState() ? b.getRight() - b.getHeight() : b.getX(), b.getY(), b.getHeight(), b.getHeight() }; else switchCircleBounds = { b.getX(), getSwitchState() ? b.getBottom() - b.getWidth() : b.getY(), b.getHeight(), b.getHeight() }; switchCircle.setBounds (switchCircleBounds.reduced (1).toNearestInt()); } private: int millisecondsToSpendMoving { 75 }; juce::Label label; bool getSwitchState() const { return isInverted ? ! getToggleState() : getToggleState(); } bool isInverted = false; bool isVertical = false; juce::Rectangle getSwitchBounds() { return getLocalBounds().removeFromLeft(30).withSizeKeepingCentre(30, 20).toFloat().reduced(4, 4).translated(0, -1); } juce::Rectangle getLabelBounds() { auto b = getLocalBounds(); b.removeFromLeft(34); return b.translated(0, -1); } class SwitchCircle : public Component { void paint (juce::Graphics& g) override { g.setColour (findColour (switchColour)); g.fillEllipse (getLocalBounds().toFloat()); } } switchCircle; juce::ComponentAnimator animator; bool prevToggleState = false; BooleanParameter* parameter = nullptr; JUCE_DECLARE_WEAK_REFERENCEABLE(SwitchButton) }; } // namespace jux