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AudioPluginHost: Add support for loading and saving plugin state directly

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This commit is contained in:
reuk 2021-10-20 20:03:56 +01:00
parent 75981dd4b3
commit 420167f3ec
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GPG key ID: 9ADCD339CFC98A11
1 changed files with 75 additions and 33 deletions
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108
extras/AudioPluginHost/Source/UI/GraphEditorPanel.cpp
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@ -401,50 +401,38 @@ struct GraphEditorPanel::PluginComponent : public Component,
void showPopupMenu()
{
menu.reset (new PopupMenu);
menu->addItem (1, "Delete this filter");
menu->addItem (2, "Disconnect all pins");
menu->addItem (3, "Toggle Bypass");
menu->addItem ("Delete this filter", [this] { graph.graph.removeNode (pluginID); });
menu->addItem ("Disconnect all pins", [this] { graph.graph.disconnectNode (pluginID); });
menu->addItem ("Toggle Bypass", [this]
{
if (auto* node = graph.graph.getNodeForId (pluginID))
node->setBypassed (! node->isBypassed());
repaint();
});
menu->addSeparator();
if (getProcessor()->hasEditor())
menu->addItem (10, "Show plugin GUI");
menu->addItem ("Show plugin GUI", [this] { showWindow (PluginWindow::Type::normal); });
menu->addItem (11, "Show all programs");
menu->addItem (12, "Show all parameters");
menu->addItem (13, "Show debug log");
menu->addItem ("Show all programs", [this] { showWindow (PluginWindow::Type::programs); });
menu->addItem ("Show all parameters", [this] { showWindow (PluginWindow::Type::generic); });
menu->addItem ("Show debug log", [this] { showWindow (PluginWindow::Type::debug); });
if (autoScaleOptionAvailable)
addPluginAutoScaleOptionsSubMenu (dynamic_cast<AudioPluginInstance*> (getProcessor()), *menu);
menu->addSeparator();
menu->addItem (20, "Configure Audio I/O");
menu->addItem (21, "Test state save/load");
menu->addItem ("Configure Audio I/O", [this] { showWindow (PluginWindow::Type::audioIO); });
menu->addItem ("Test state save/load", [this] { testStateSaveLoad(); });
menu->showMenuAsync ({}, ModalCallbackFunction::create
([this] (int r) {
switch (r)
{
case 1: graph.graph.removeNode (pluginID); break;
case 2: graph.graph.disconnectNode (pluginID); break;
case 3:
{
if (auto* node = graph.graph.getNodeForId (pluginID))
node->setBypassed (! node->isBypassed());
#if ! JUCE_IOS && ! JUCE_ANDROID
menu->addSeparator();
menu->addItem ("Save plugin state", [this] { savePluginState(); });
menu->addItem ("Load plugin state", [this] { loadPluginState(); });
#endif
repaint();
break;
}
case 10: showWindow (PluginWindow::Type::normal); break;
case 11: showWindow (PluginWindow::Type::programs); break;
case 12: showWindow (PluginWindow::Type::generic) ; break;
case 13: showWindow (PluginWindow::Type::debug); break;
case 20: showWindow (PluginWindow::Type::audioIO); break;
case 21: testStateSaveLoad(); break;
default: break;
}
}));
menu->showMenuAsync ({});
}
void testStateSaveLoad()
@ -484,6 +472,59 @@ struct GraphEditorPanel::PluginComponent : public Component,
void handleAsyncUpdate() override { repaint(); }
void savePluginState()
{
fileChooser = std::make_unique<FileChooser> ("Save plugin state");
const auto onChosen = [ref = SafePointer<PluginComponent> (this)] (const FileChooser& chooser)
{
if (ref == nullptr)
return;
const auto result = chooser.getResult();
if (result == File())
return;
if (auto* node = ref->graph.graph.getNodeForId (ref->pluginID))
{
MemoryBlock block;
node->getProcessor()->getStateInformation (block);
result.replaceWithData (block.getData(), block.getSize());
}
};
fileChooser->launchAsync (FileBrowserComponent::saveMode | FileBrowserComponent::warnAboutOverwriting, onChosen);
}
void loadPluginState()
{
fileChooser = std::make_unique<FileChooser> ("Load plugin state");
const auto onChosen = [ref = SafePointer<PluginComponent> (this)] (const FileChooser& chooser)
{
if (ref == nullptr)
return;
const auto result = chooser.getResult();
if (result == File())
return;
if (auto* node = ref->graph.graph.getNodeForId (ref->pluginID))
{
if (auto stream = result.createInputStream())
{
MemoryBlock block;
stream->readIntoMemoryBlock (block);
node->getProcessor()->setStateInformation (block.getData(), (int) block.getSize());
}
}
};
fileChooser->launchAsync (FileBrowserComponent::openMode | FileBrowserComponent::canSelectFiles, onChosen);
}
GraphEditorPanel& panel;
PluginGraph& graph;
const AudioProcessorGraph::NodeID pluginID;
@ -495,6 +536,7 @@ struct GraphEditorPanel::PluginComponent : public Component,
int numIns = 0, numOuts = 0;
DropShadowEffect shadow;
std::unique_ptr<PopupMenu> menu;
std::unique_ptr<FileChooser> fileChooser;
const String formatSuffix = getFormatSuffix (getProcessor());
};