1 files changed, 80 insertions, 0 deletions
diff --git a/src/jalv_qt.hpp b/src/jalv_qt.hpp
new file mode 100644
index 0000000..d371098
--- /dev/null
+++ b/src/jalv_qt.hpp
@@ -0,0 +1,80 @@
+// Copyright 2007-2022 David Robillard <d@drobilla.net>
+// SPDX-License-Identifier: ISC
+
+#include "state.h"
+#include "types.h"
+
+#include "lilv/lilv.h"
+
+#include <QAction>
+#include <QGroupBox>
+#include <QString>
+#include <QtCore>
+
+#include <map>
+#include <vector>
+
+struct Port;
+
+class QDial;
+class QLabel;
+class QWidget;
+
+class PresetAction : public QAction
+{
+  Q_OBJECT // NOLINT
+
+public:
+  PresetAction(QObject* parent, Jalv* jalv, LilvNode* preset)
+    : QAction(parent)
+    , _jalv(jalv)
+    , _preset(preset)
+  {
+    connect(this, SIGNAL(triggered()), this, SLOT(presetChosen()));
+  }
+
+  Q_SLOT void presetChosen() { jalv_apply_preset(_jalv, _preset); }
+
+private:
+  Jalv*     _jalv;
+  LilvNode* _preset;
+};
+
+struct PortContainer {
+  Jalv* jalv;
+  Port* port;
+};
+
+class Control : public QGroupBox
+{
+  Q_OBJECT // NOLINT
+
+public:
+  explicit Control(PortContainer portContainer, QWidget* parent);
+
+  Q_SLOT void dialChanged(int value);
+
+  void setValue(float value);
+
+private:
+  void    setRange(float min, float max);
+  QString getValueLabel(float value);
+  float   getValue();
+  int     stringWidth(const QString& str);
+
+  QDial*            dial;
+  const LilvPlugin* plugin;
+  Port*             port;
+
+  QLabel* label;
+  QString name;
+  int     steps;
+  float   max{1.0f};
+  float   min{0.0f};
+  bool    isInteger{};
+  bool    isEnum{};
+  bool    isLogarithmic{};
+
+  std::vector<float>           scalePoints;
+  std::map<float, const char*> scaleMap;
+};