paulxstretch/deps/juce/examples/DemoRunner/Source/Demos/JUCEDemos.cpp
essej 25bd5d8adb git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce
subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"
2022-04-18 17:51:22 -04:00

177 lines
6.3 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 6 End-User License
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
End User License Agreement: www.juce.com/juce-6-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#include <JuceHeader.h>
#include "../../../Assets/DemoUtilities.h"
#include "JUCEDemos.h"
//==============================================================================
std::vector<JUCEDemos::DemoCategory>& JUCEDemos::getCategories()
{
static std::vector<DemoCategory> categories;
return categories;
}
JUCEDemos::DemoCategory& JUCEDemos::getCategory (const String& name)
{
auto& categories = getCategories();
for (auto& c : categories)
if (c.name == name)
return c;
std::vector<FileAndCallback> fc;
categories.push_back ({ name, fc });
return categories.back();
}
void JUCEDemos::registerDemo (std::function<Component*()> constructorCallback, const String& filePath, const String& category, bool isHeavyweight)
{
#if JUCE_MAC
auto f = File::getSpecialLocation (File::currentExecutableFile)
.getParentDirectory().getParentDirectory().getChildFile ("Resources");
#else
auto f = findExamplesDirectoryFromExecutable (File::getSpecialLocation (File::currentApplicationFile));
#endif
#if ! (JUCE_ANDROID || JUCE_IOS)
if (f == File())
{
jassertfalse;
return;
}
#endif
getCategory (category).demos.push_back ({ f.getChildFile (filePath), constructorCallback, isHeavyweight });
}
File JUCEDemos::findExamplesDirectoryFromExecutable (File exec)
{
int numTries = 15;
auto exampleDir = exec.getParentDirectory().getChildFile ("examples");
if (exampleDir.exists())
return exampleDir;
while (exec.getFileName() != "examples" && numTries-- > 0)
exec = exec.getParentDirectory();
if (exec.getFileName() == "examples")
return exec;
return {};
}
//==============================================================================
static String getCurrentDefaultAudioDeviceName (AudioDeviceManager& deviceManager, bool isInput)
{
auto* deviceType = deviceManager.getCurrentDeviceTypeObject();
jassert (deviceType != nullptr);
if (deviceType != nullptr)
{
auto deviceNames = deviceType->getDeviceNames();
return deviceNames [deviceType->getDefaultDeviceIndex (isInput)];
}
return {};
}
// (returns a shared AudioDeviceManager object that all the demos can use)
AudioDeviceManager& getSharedAudioDeviceManager (int numInputChannels, int numOutputChannels)
{
if (sharedAudioDeviceManager == nullptr)
sharedAudioDeviceManager.reset (new AudioDeviceManager());
auto* currentDevice = sharedAudioDeviceManager->getCurrentAudioDevice();
if (numInputChannels < 0)
numInputChannels = (currentDevice != nullptr ? currentDevice->getActiveInputChannels().countNumberOfSetBits() : 1);
if (numOutputChannels < 0)
numOutputChannels = (currentDevice != nullptr ? currentDevice->getActiveOutputChannels().countNumberOfSetBits() : 2);
if (numInputChannels > 0 && ! RuntimePermissions::isGranted (RuntimePermissions::recordAudio))
{
RuntimePermissions::request (RuntimePermissions::recordAudio,
[numInputChannels, numOutputChannels] (bool granted)
{
if (granted)
getSharedAudioDeviceManager (numInputChannels, numOutputChannels);
});
numInputChannels = 0;
}
if (sharedAudioDeviceManager->getCurrentAudioDevice() != nullptr)
{
auto setup = sharedAudioDeviceManager->getAudioDeviceSetup();
auto numInputs = jmax (numInputChannels, setup.inputChannels.countNumberOfSetBits());
auto numOutputs = jmax (numOutputChannels, setup.outputChannels.countNumberOfSetBits());
auto oldInputs = setup.inputChannels.countNumberOfSetBits();
auto oldOutputs = setup.outputChannels.countNumberOfSetBits();
if (oldInputs != numInputs || oldOutputs != numOutputs)
{
if (oldInputs == 0 && oldOutputs == 0)
{
sharedAudioDeviceManager->initialise (numInputChannels, numOutputChannels, nullptr, true, {}, nullptr);
}
else
{
setup.useDefaultInputChannels = setup.useDefaultOutputChannels = false;
setup.inputChannels.clear();
setup.outputChannels.clear();
setup.inputChannels.setRange (0, numInputs, true);
setup.outputChannels.setRange (0, numOutputs, true);
if (oldInputs == 0 && numInputs > 0 && setup.inputDeviceName.isEmpty())
setup.inputDeviceName = getCurrentDefaultAudioDeviceName (*sharedAudioDeviceManager, true);
if (oldOutputs == 0 && numOutputs > 0 && setup.outputDeviceName.isEmpty())
setup.outputDeviceName = getCurrentDefaultAudioDeviceName (*sharedAudioDeviceManager, false);
sharedAudioDeviceManager->setAudioDeviceSetup (setup, false);
}
}
}
else
{
sharedAudioDeviceManager->initialise (numInputChannels, numOutputChannels, nullptr, true, {}, nullptr);
}
return *sharedAudioDeviceManager;
}
//==============================================================================
void registerAllDemos() noexcept
{
registerDemos_One();
registerDemos_Two();
}