--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DPF-Prymula-audioplugins/dpf/dgl/src/SubWidget.cpp	Mon Oct 16 21:53:34 2023 +0200
@@ -0,0 +1,198 @@
+/*
+ * DISTRHO Plugin Framework (DPF)
+ * Copyright (C) 2012-2021 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "SubWidgetPrivateData.hpp"
+#include "WidgetPrivateData.hpp"
+#include "../TopLevelWidget.hpp"
+
+START_NAMESPACE_DGL
+
+// --------------------------------------------------------------------------------------------------------------------
+
+SubWidget::SubWidget(Widget* const parentWidget)
+    : Widget(parentWidget),
+      pData(new PrivateData(this, parentWidget)) {}
+
+SubWidget::~SubWidget()
+{
+    delete pData;
+}
+
+template<typename T>
+bool SubWidget::contains(const T x, const T y) const noexcept
+{
+    return Rectangle<double>(0, 0,
+                             static_cast<double>(getWidth()),
+                             static_cast<double>(getHeight())).contains(x, y);
+}
+
+template<typename T>
+bool SubWidget::contains(const Point<T>& pos) const noexcept
+{
+    return contains(pos.getX(), pos.getY());
+}
+
+int SubWidget::getAbsoluteX() const noexcept
+{
+    return pData->absolutePos.getX();
+}
+
+int SubWidget::getAbsoluteY() const noexcept
+{
+    return pData->absolutePos.getY();
+}
+
+Point<int> SubWidget::getAbsolutePos() const noexcept
+{
+    return pData->absolutePos;
+}
+
+Rectangle<int> SubWidget::getAbsoluteArea() const noexcept
+{
+    return Rectangle<int>(getAbsolutePos(), getSize().toInt());
+}
+
+Rectangle<uint> SubWidget::getConstrainedAbsoluteArea() const noexcept
+{
+    const int x = getAbsoluteX();
+    const int y = getAbsoluteY();
+
+    if (x >= 0 && y >= 0)
+        return Rectangle<uint>(x, y, getSize());
+
+    const int xOffset = std::min(0, x);
+    const int yOffset = std::min(0, y);
+    const int width   = std::max(0, static_cast<int>(getWidth()) + xOffset);
+    const int height  = std::max(0, static_cast<int>(getHeight()) + yOffset);
+
+    return Rectangle<uint>(0, 0, static_cast<uint>(width), static_cast<uint>(height));
+}
+
+void SubWidget::setAbsoluteX(const int x) noexcept
+{
+    setAbsolutePos(Point<int>(x, getAbsoluteY()));
+}
+
+void SubWidget::setAbsoluteY(const int y) noexcept
+{
+    setAbsolutePos(Point<int>(getAbsoluteX(), y));
+}
+
+void SubWidget::setAbsolutePos(const int x, const int y) noexcept
+{
+    setAbsolutePos(Point<int>(x, y));
+}
+
+void SubWidget::setAbsolutePos(const Point<int>& pos) noexcept
+{
+    if (pData->absolutePos == pos)
+        return;
+
+    PositionChangedEvent ev;
+    ev.oldPos = pData->absolutePos;
+    ev.pos = pos;
+
+    pData->absolutePos = pos;
+    onPositionChanged(ev);
+
+    repaint();
+}
+
+Point<int> SubWidget::getMargin() const noexcept
+{
+    return pData->margin;
+}
+
+void SubWidget::setMargin(const int x, const int y) noexcept
+{
+    pData->margin = Point<int>(x, y);
+}
+
+void SubWidget::setMargin(const Point<int>& offset) noexcept
+{
+    pData->margin = offset;
+}
+
+Widget* SubWidget::getParentWidget() const noexcept
+{
+    return pData->parentWidget;
+}
+
+void SubWidget::repaint() noexcept
+{
+    if (! isVisible())
+        return;
+
+    if (TopLevelWidget* const topw = getTopLevelWidget())
+    {
+        if (pData->needsFullViewportForDrawing)
+            // repaint is virtual and we want precisely the top-level specific implementation, not any higher level
+            topw->TopLevelWidget::repaint();
+        else
+            topw->repaint(getConstrainedAbsoluteArea());
+    }
+}
+
+void SubWidget::toBottom()
+{
+    std::list<SubWidget*>& subwidgets(pData->parentWidget->pData->subWidgets);
+
+    subwidgets.remove(this);
+    subwidgets.insert(subwidgets.begin(), this);
+}
+
+void SubWidget::toFront()
+{
+    std::list<SubWidget*>& subwidgets(pData->parentWidget->pData->subWidgets);
+
+    subwidgets.remove(this);
+    subwidgets.push_back(this);
+}
+
+void SubWidget::setNeedsFullViewportDrawing(const bool needsFullViewportForDrawing)
+{
+    pData->needsFullViewportForDrawing = needsFullViewportForDrawing;
+}
+
+void SubWidget::setNeedsViewportScaling(const bool needsViewportScaling, const double autoScaleFactor)
+{
+    pData->needsViewportScaling = needsViewportScaling;
+    pData->viewportScaleFactor = autoScaleFactor;
+}
+
+void SubWidget::setSkipDrawing(const bool skipDrawing)
+{
+    pData->skipDrawing = skipDrawing;
+}
+
+void SubWidget::onPositionChanged(const PositionChangedEvent&)
+{
+}
+
+// --------------------------------------------------------------------------------------------------------------------
+// Possible template data types
+
+template<>
+bool SubWidget::contains(const Point<double>& pos) const noexcept
+{
+    return contains(pos.getX(), pos.getY());
+}
+
+// float, int, uint, short, ushort
+
+// --------------------------------------------------------------------------------------------------------------------
+
+END_NAMESPACE_DGL