Camera Raw panel's remaining groups and the Filter menu entry (12.8b2)

src/UI/CameraRawRow.h

@@ -0,0 +1,45 @@
+#pragma once
+#include "UI/CameraRawSlider.h"
+#include <QWidget>
+#include <functional>
+
+class PickerField;
+class QLabel;
+
+// Swift's Camera Raw rows: title, slider, exact field.
+class CameraRawRow : public QWidget {
+    Q_OBJECT
+public:
+    struct Spec {
+        QString name;
+        QString title;
+        QString help;
+        double low = -100;
+        double high = 100;
+        int decimals = 0;
+        CameraRawSliderTrack track = {};
+        // The title's width: at least this, or exactly when fixed.
+        int titleWidth = 96;
+        bool fixedTitle = false;
+        // No field at zero.
+        int fieldWidth = 56;
+        // A double click on the title resets it.
+        bool titleResets = false;
+    };
+    // `slide` takes the slider's own value, `type` a typed number.
+    CameraRawRow(Spec spec, std::function<double()> value, std::function<void(double)> slide, std::function<void(double)> type,
+                 std::function<void()> reset, QWidget *parent = nullptr);
+    // Shows the value; a focused field keeps its typing.
+    void synchronize();
+
+protected:
+    bool eventFilter(QObject *watched, QEvent *event) override;
+
+private:
+    const Spec m_spec;
+    const std::function<double()> m_value;
+    const std::function<void()> m_reset;
+    QLabel *const m_title;
+    CameraRawSlider *const m_slider;
+    PickerField *m_field = nullptr;
+};