1 files changed, 47 insertions, 0 deletions
diff --git a/tools/CurveEditor/source/Internal/Window/AlphaDialog.h b/tools/CurveEditor/source/Internal/Window/AlphaDialog.h
new file mode 100644
index 0000000..985d0b4
--- /dev/null
+++ b/tools/CurveEditor/source/Internal/Window/AlphaDialog.h
@@ -0,0 +1,47 @@
+#ifndef ALPHADIALOG_H
+#define ALPHADIALOG_H
+
+#include <QtWidgets/QDialog>
+
+namespace Ui {
+    class AlphaDialog;
+}
+
+namespace nvidia {
+namespace CurveEditor {
+
+class AlphaDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    static int getAlpha(int alpha = 255, QWidget *parent = 0);
+
+    explicit AlphaDialog(QWidget *parent = 0, int alpha = 255);
+    ~AlphaDialog();
+
+protected:
+    // QWidget events
+    virtual void paintEvent(QPaintEvent * e);
+
+    virtual void mousePressEvent(QMouseEvent* e);
+    virtual void mouseReleaseEvent(QMouseEvent* e);
+    virtual void mouseMoveEvent(QMouseEvent* e);
+private slots:
+    void on_spinBoxAlpha_valueChanged(int arg1);
+
+private:
+    void drawAlphaRectangle(QPainter& painter);
+    void drawCursor(QPainter& painter, int xPos);
+
+private:
+    Ui::AlphaDialog *ui;
+    bool                    _drag;
+    int                     _alpha;
+    int                     _xOffset;
+};
+
+} // namespace CurveEditor
+} // namespace nvidia
+
+#endif // ALPHADIALOG_H