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AudioPluginHost: Added a plug-in debugging window showing parameter value and gesture changes

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This commit is contained in:
Tom Poole 2019-01-16 16:31:50 +00:00
parent bcf388b2cd
commit ab68b98dae
2 changed files with 100 additions and 0 deletions
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2
extras/AudioPluginHost/Source/UI/GraphEditorPanel.cpp
View file

@ -417,6 +417,7 @@ struct GraphEditorPanel::FilterComponent : public Component,
menu->addItem (13, "Enable DPI awareness", true, isTicked);
#endif
menu->addItem (14, "Show debug log");
}
menu->addSeparator();
@ -447,6 +448,7 @@ struct GraphEditorPanel::FilterComponent : public Component,
node->properties.set ("DPIAware", ! node->properties ["DPIAware"]);
break;
}
case 14: showWindow (PluginWindow::Type::debug); break;
case 20: showWindow (PluginWindow::Type::audioIO); break;
case 21: testStateSaveLoad(); break;

98
extras/AudioPluginHost/Source/UI/PluginWindow.h
View file

@ -30,6 +30,99 @@
class FilterGraph;
/**
A window that shows a log of parameter change messagse sent by the plugin.
*/
class FilterDebugWindow : public AudioProcessorEditor,
public AudioProcessorParameter::Listener,
public ListBoxModel,
public AsyncUpdater
{
public:
FilterDebugWindow (AudioProcessor& proc)
: AudioProcessorEditor (proc), processor (proc)
{
setSize (500, 200);
addAndMakeVisible (list);
for (auto* p : processor.getParameters())
p->addListener (this);
log.add ("Parameter debug log started");
}
void parameterValueChanged (int parameterIndex, float newValue) override
{
auto* param = processor.getParameters()[parameterIndex];
auto value = param->getCurrentValueAsText().quoted() + " (" + String (newValue, 4) + ")";
appendToLog ("parameter change", *param, value);
}
void parameterGestureChanged (int parameterIndex, bool gestureIsStarting) override
{
auto* param = processor.getParameters()[parameterIndex];
appendToLog ("gesture", *param, gestureIsStarting ? "start" : "end");
}
private:
void appendToLog (StringRef action, AudioProcessorParameter& param, StringRef value)
{
String entry (action + " " + param.getName (30).quoted() + " [" + String (param.getParameterIndex()) + "]: " + value);
{
ScopedLock lock (pendingLogLock);
pendingLogEntries.add (entry);
}
triggerAsyncUpdate();
}
void resized() override
{
list.setBounds(getLocalBounds());
}
int getNumRows() override
{
return log.size();
}
void paintListBoxItem (int rowNumber, Graphics& g, int width, int height, bool) override
{
g.setColour (getLookAndFeel().findColour (TextEditor::textColourId));
if (isPositiveAndBelow (rowNumber, log.size()))
g.drawText (log[rowNumber], Rectangle<int> { 0, 0, width, height }, Justification::left, true);
}
void handleAsyncUpdate() override
{
if (log.size() > logSizeTrimThreshold)
log.removeRange (0, log.size() - maxLogSize);
{
ScopedLock lock (pendingLogLock);
log.addArray (pendingLogEntries);
pendingLogEntries.clear();
}
list.updateContent();
list.scrollToEnsureRowIsOnscreen (log.size() - 1);
}
constexpr static int maxLogSize = 300;
constexpr static int logSizeTrimThreshold = 400;
ListBox list { "Log", this };
StringArray log;
StringArray pendingLogEntries;
CriticalSection pendingLogLock;
AudioProcessor& processor;
};
//==============================================================================
/**
A desktop window containing a plugin's GUI.
@ -43,6 +136,7 @@ public:
generic,
programs,
audioIO,
debug,
numTypes
};
@ -123,6 +217,9 @@ private:
if (type == PluginWindow::Type::audioIO)
return new FilterIOConfigurationWindow (processor);
if (type == PluginWindow::Type::debug)
return new FilterDebugWindow (processor);
jassertfalse;
return {};
}
@ -135,6 +232,7 @@ private:
case Type::generic: return "Generic";
case Type::programs: return "Programs";
case Type::audioIO: return "IO";
case Type::debug: return "Debug";
default: return {};
}
}