Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/uidescription-scripting/detail/converters.h

@@ -0,0 +1,134 @@
+// This file is part of VSTGUI. It is subject to the license terms
+// in the LICENSE file found in the top-level directory of this
+// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
+
+#pragma once
+
+#include "scriptobject.h"
+#include "../../lib/vstguifwd.h"
+#include "../../uidescription/uidescriptionfwd.h"
+#include "../../lib/events.h"
+#include "../../lib/crect.h"
+
+//------------------------------------------------------------------------
+namespace VSTGUI {
+namespace ScriptingInternal {
+
+//------------------------------------------------------------------------
+inline ScriptObject makeScriptRect (const CRect& rect)
+{
+	using namespace std::literals;
+	ScriptObject obj;
+	obj.addChild ("left"sv, rect.left);
+	obj.addChild ("top"sv, rect.top);
+	obj.addChild ("right"sv, rect.right);
+	obj.addChild ("bottom"sv, rect.bottom);
+	obj.addFunc ("getWidth"sv, "{ return this.right - this.left; }"sv);
+	obj.addFunc ("getHeight"sv, "{ return this.bottom - this.top; }"sv);
+	return obj;
+}
+
+//------------------------------------------------------------------------
+inline ScriptObject makeScriptPoint (const CPoint& point)
+{
+	using namespace std::literals;
+	ScriptObject obj;
+	obj.addChild ("x"sv, point.x);
+	obj.addChild ("y"sv, point.y);
+	return obj;
+}
+
+//------------------------------------------------------------------------
+inline CPoint fromScriptPoint (TJS::CScriptVar& var)
+{
+	using namespace std::literals;
+	CPoint result {};
+	if (auto xVar = var.findChild ("x"sv))
+		result.x = xVar->getVar ()->getDouble ();
+	else
+		throw TJS::CScriptException ("Not a point object, missing 'x' member");
+	if (auto yVar = var.findChild ("y"sv))
+		result.y = yVar->getVar ()->getDouble ();
+	else
+		throw TJS::CScriptException ("Not a point object, missing 'y' member");
+	return result;
+}
+
+//------------------------------------------------------------------------
+inline CRect fromScriptRect (TJS::CScriptVar& var)
+{
+	using namespace std::literals;
+	CRect result {};
+	auto leftVar = var.findChild ("left"sv);
+	auto topVar = var.findChild ("top"sv);
+	auto rightVar = var.findChild ("right"sv);
+	auto bottomVar = var.findChild ("bottom"sv);
+	if (!leftVar || !topVar || !rightVar || !bottomVar)
+		throw TJS::CScriptException ("Expecting a rect object here");
+	result.left = leftVar->getVar ()->getDouble ();
+	result.top = topVar->getVar ()->getDouble ();
+	result.right = rightVar->getVar ()->getDouble ();
+	result.bottom = bottomVar->getVar ()->getDouble ();
+	return result;
+}
+
+//------------------------------------------------------------------------
+inline ScriptObject makeScriptEvent (const Event& event)
+{
+	using namespace std::literals;
+	ScriptObject obj;
+	if (auto modifierEvent = asModifierEvent (event))
+	{
+		ScriptObject mod;
+		if (modifierEvent->modifiers.has (ModifierKey::Shift))
+			mod.addChild ("shift"sv, true);
+		if (modifierEvent->modifiers.has (ModifierKey::Alt))
+			mod.addChild ("alt"sv, true);
+		if (modifierEvent->modifiers.has (ModifierKey::Control))
+			mod.addChild ("control"sv, true);
+		if (modifierEvent->modifiers.has (ModifierKey::Super))
+			mod.addChild ("super"sv, true);
+		obj.addChild ("modifiers"sv, std::move (mod));
+	}
+	if (auto mouseEvent = asMousePositionEvent (event))
+	{
+		obj.addChild ("mousePosition"sv, makeScriptPoint (mouseEvent->mousePosition));
+	}
+	if (auto mouseEvent = asMouseEvent (event))
+	{
+		ScriptObject buttons;
+		if (mouseEvent->buttonState.has (MouseButton::Left))
+			buttons.addChild ("left"sv, true);
+		if (mouseEvent->buttonState.has (MouseButton::Right))
+			buttons.addChild ("right"sv, true);
+		if (mouseEvent->buttonState.has (MouseButton::Middle))
+			buttons.addChild ("middle"sv, true);
+		obj.addChild ("mouseButtons"sv, std::move (buttons));
+	}
+	if (event.type == EventType::MouseWheel)
+	{
+		const auto& wheelEvent = castMouseWheelEvent (event);
+		ScriptObject wheel;
+		wheel.addChild ("deltaX"sv, wheelEvent.deltaX);
+		wheel.addChild ("deltaY"sv, wheelEvent.deltaY);
+		if (wheelEvent.flags & MouseWheelEvent::Flags::DirectionInvertedFromDevice)
+			wheel.addChild ("directionInvertedFromDevice"sv, true);
+		if (wheelEvent.flags & MouseWheelEvent::Flags::PreciseDeltas)
+			wheel.addChild ("preciceDelta"sv, true);
+		obj.addChild ("mouseWheel"sv, std::move (wheel));
+	}
+	if (auto keyEvent = asKeyboardEvent (event))
+	{
+		ScriptObject key;
+		key.addChild ("character"sv, static_cast<int> (keyEvent->character));
+		key.addChild ("virtual"sv, static_cast<int> (keyEvent->virt));
+		key.addChild ("isRepeat"sv, keyEvent->isRepeat);
+		obj.addChild ("key"sv, std::move (key));
+	}
+	obj.addChild ("consume"sv, 0);
+	return obj;
+}
+
+//------------------------------------------------------------------------
+} // ScriptingInternal
+} // VSTGUI