--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DPF-Prymula-audioplugins/dpf/dgl/src/TopLevelWidgetPrivateData.cpp	Mon Oct 16 21:53:34 2023 +0200
@@ -0,0 +1,145 @@
+/*
+ * 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 "TopLevelWidgetPrivateData.hpp"
+#include "WidgetPrivateData.hpp"
+#include "WindowPrivateData.hpp"
+#include "pugl.hpp"
+
+START_NAMESPACE_DGL
+
+// -----------------------------------------------------------------------
+
+TopLevelWidget::PrivateData::PrivateData(TopLevelWidget* const s, Window& w)
+    : self(s),
+      selfw(s),
+      window(w)
+{
+    /* if window already has a top-level-widget, make the new one match the first one in size
+     * this is needed because window creation and resize is a synchronous operation in some systems.
+     * as such, there's a chance the non-1st top-level-widgets would never get a valid size.
+     */
+    if (!window.pData->topLevelWidgets.empty())
+    {
+        TopLevelWidget* const first = window.pData->topLevelWidgets.front();
+
+        selfw->pData->size = first->getSize();
+    }
+
+    window.pData->topLevelWidgets.push_back(self);
+}
+
+TopLevelWidget::PrivateData::~PrivateData()
+{
+    window.pData->topLevelWidgets.remove(self);
+}
+
+bool TopLevelWidget::PrivateData::keyboardEvent(const KeyboardEvent& ev)
+{
+    // ignore event if we are not visible
+    if (! selfw->pData->visible)
+        return false;
+
+    // propagate event to all subwidgets recursively
+    return selfw->pData->giveKeyboardEventForSubWidgets(ev);
+}
+
+bool TopLevelWidget::PrivateData::characterInputEvent(const CharacterInputEvent& ev)
+{
+    // ignore event if we are not visible
+    if (! selfw->pData->visible)
+        return false;
+
+    // propagate event to all subwidgets recursively
+    return selfw->pData->giveCharacterInputEventForSubWidgets(ev);
+}
+
+bool TopLevelWidget::PrivateData::mouseEvent(const MouseEvent& ev)
+{
+    // ignore event if we are not visible
+    if (! selfw->pData->visible)
+        return false;
+
+    MouseEvent rev = ev;
+
+    if (window.pData->autoScaling)
+    {
+        const double autoScaleFactor = window.pData->autoScaleFactor;
+
+        rev.pos.setX(ev.pos.getX() / autoScaleFactor);
+        rev.pos.setY(ev.pos.getY() / autoScaleFactor);
+        rev.absolutePos.setX(ev.absolutePos.getX() / autoScaleFactor);
+        rev.absolutePos.setY(ev.absolutePos.getY() / autoScaleFactor);
+    }
+
+    // propagate event to all subwidgets recursively
+    return selfw->pData->giveMouseEventForSubWidgets(rev);
+}
+
+bool TopLevelWidget::PrivateData::motionEvent(const MotionEvent& ev)
+{
+    // ignore event if we are not visible
+    if (! selfw->pData->visible)
+        return false;
+
+    MotionEvent rev = ev;
+
+    if (window.pData->autoScaling)
+    {
+        const double autoScaleFactor = window.pData->autoScaleFactor;
+
+        rev.pos.setX(ev.pos.getX() / autoScaleFactor);
+        rev.pos.setY(ev.pos.getY() / autoScaleFactor);
+        rev.absolutePos.setX(ev.absolutePos.getX() / autoScaleFactor);
+        rev.absolutePos.setY(ev.absolutePos.getY() / autoScaleFactor);
+    }
+
+    // propagate event to all subwidgets recursively
+    return selfw->pData->giveMotionEventForSubWidgets(rev);
+}
+
+bool TopLevelWidget::PrivateData::scrollEvent(const ScrollEvent& ev)
+{
+    // ignore event if we are not visible
+    if (! selfw->pData->visible)
+        return false;
+
+    ScrollEvent rev = ev;
+
+    if (window.pData->autoScaling)
+    {
+        const double autoScaleFactor = window.pData->autoScaleFactor;
+
+        rev.pos.setX(ev.pos.getX() / autoScaleFactor);
+        rev.pos.setY(ev.pos.getY() / autoScaleFactor);
+        rev.absolutePos.setX(ev.absolutePos.getX() / autoScaleFactor);
+        rev.absolutePos.setY(ev.absolutePos.getY() / autoScaleFactor);
+        rev.delta.setX(ev.delta.getX() / autoScaleFactor);
+        rev.delta.setY(ev.delta.getY() / autoScaleFactor);
+    }
+
+    // propagate event to all subwidgets recursively
+    return selfw->pData->giveScrollEventForSubWidgets(rev);
+}
+
+void TopLevelWidget::PrivateData::fallbackOnResize()
+{
+    puglFallbackOnResize(window.pData->view);
+}
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DGL