--- ../Rack/src/window/Window.cpp	2023-12-17 12:57:01.139429461 +0100
+++ Window.cpp	2023-10-22 13:33:43.777041594 +0200
@@ -1,33 +1,94 @@
+/*
+ * DISTRHO Cardinal Plugin
+ * Copyright (C) 2021-2023 Filipe Coelho <falktx@falktx.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 3 of
+ * the License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * For a full copy of the GNU General Public License see the LICENSE file.
+ */
+
+/**
+ * This file is an edited version of VCVRack's window/Window.cpp
+ * Copyright (C) 2016-2023 VCV.
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
+ */
+
 #include <map>
 #include <queue>
 #include <thread>
 
-#if defined ARCH_MAC
-	// For CGAssociateMouseAndMouseCursorPosition
-	#include <ApplicationServices/ApplicationServices.h>
-#endif
-
-#include <stb_image_write.h>
-#include <osdialog.h>
-
 #include <window/Window.hpp>
 #include <asset.hpp>
 #include <widget/Widget.hpp>
 #include <app/Scene.hpp>
-#include <keyboard.hpp>
-#include <gamepad.hpp>
 #include <context.hpp>
 #include <patch.hpp>
 #include <settings.hpp>
-#include <plugin.hpp> // used in Window::screenshot
-#include <system.hpp> // used in Window::screenshot
+#include <system.hpp>
+
+#ifdef NDEBUG
+# undef DEBUG
+#endif
+
+#include "DistrhoUI.hpp"
+#include "Application.hpp"
+#include "extra/String.hpp"
+#include "../CardinalCommon.hpp"
+#include "../PluginContext.hpp"
+#include "../WindowParameters.hpp"
+
+#ifndef DGL_NO_SHARED_RESOURCES
+# include "src/Resources.hpp"
+#endif
 
+#if !(defined(DGL_USE_GLES) || CARDINAL_VARIANT_MINI)
+
+#define CARDINAL_WINDOW_CAN_GENERATE_SCREENSHOTS
+
+// comment out if wanting to generate a local screenshot.png
+#define STBI_WRITE_NO_STDIO
+
+// uncomment to generate screenshots without the rack rail background (ie, transparent)
+// #define CARDINAL_TRANSPARENT_SCREENSHOTS
+
+// used in Window::screenshot
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+#include "stb_image_write.h"
+
+#endif
+
+#ifdef DISTRHO_OS_WASM
+# include <emscripten/html5.h>
+#endif
 
 namespace rack {
 namespace window {
 
 
-static const math::Vec WINDOW_SIZE_MIN = math::Vec(640, 480);
+static const math::Vec WINDOW_SIZE_MIN = math::Vec(648, 538);
+
+
+struct FontWithOriginalContext : Font {
+	int ohandle = -1;
+	std::string ofilename;
+};
+
+struct ImageWithOriginalContext : Image {
+	int ohandle = -1;
+	std::string ofilename;
+};
 
 
 Font::~Font() {
@@ -42,9 +103,8 @@
 	// Transfer ownership of font data to font object
 	uint8_t* data = system::readFile(filename, &size);
 	// Don't use nvgCreateFont because it doesn't properly handle UTF-8 filenames on Windows.
-	handle = nvgCreateFontMem(vg, name.c_str(), data, size, 0);
+	handle = nvgCreateFontMem(vg, name.c_str(), data, size, 1);
 	if (handle < 0) {
-		std::free(data);
 		throw Exception("Failed to load font %s", filename.c_str());
 	}
 	INFO("Loaded font %s", filename.c_str());
@@ -79,340 +139,478 @@
 }
 
 
+#ifdef CARDINAL_WINDOW_CAN_GENERATE_SCREENSHOTS
+enum ScreenshotStep {
+	kScreenshotStepNone,
+	kScreenshotStepStarted,
+	kScreenshotStepFirstPass,
+	kScreenshotStepSecondPass,
+	kScreenshotStepSaving
+};
+#endif
+
+
 struct Window::Internal {
 	std::string lastWindowTitle;
 
-	int lastWindowX = 0;
-	int lastWindowY = 0;
-	int lastWindowWidth = 0;
-	int lastWindowHeight = 0;
+	CardinalBaseUI* ui = nullptr;
+	DGL_NAMESPACE::NanoTopLevelWidget* tlw = nullptr;
+	DISTRHO_NAMESPACE::WindowParameters params;
+	DISTRHO_NAMESPACE::WindowParametersCallback* callback = nullptr;
+#if DISTRHO_PLUGIN_WANT_DIRECT_ACCESS
+	DGL_NAMESPACE::Application hiddenApp;
+	DGL_NAMESPACE::Window hiddenWindow;
+	NVGcontext* r_vg = nullptr;
+	NVGcontext* r_fbVg = nullptr;
+	NVGcontext* o_vg = nullptr;
+	NVGcontext* o_fbVg = nullptr;
+#endif
+
+	math::Vec size = WINDOW_SIZE_MIN;
+
+	int mods = 0;
+	int currentRateLimit = 0;
 
 	int frame = 0;
-	bool ignoreNextMouseDelta = false;
-	double monitorRefreshRate = 0.0;
+#ifdef CARDINAL_WINDOW_CAN_GENERATE_SCREENSHOTS
+	int generateScreenshotStep = kScreenshotStepNone;
+#endif
+	double monitorRefreshRate = 60.0;
 	double frameTime = NAN;
 	double lastFrameDuration = NAN;
 
-	math::Vec lastMousePos;
-
-	std::map<std::string, std::shared_ptr<Font>> fontCache;
-	std::map<std::string, std::shared_ptr<Image>> imageCache;
+	std::map<std::string, std::shared_ptr<FontWithOriginalContext>> fontCache;
+	std::map<std::string, std::shared_ptr<ImageWithOriginalContext>> imageCache;
 
 	bool fbDirtyOnSubpixelChange = true;
 	int fbCount = 0;
-};
 
-
-static void windowPosCallback(GLFWwindow* win, int x, int y) {
-	if (glfwGetWindowAttrib(win, GLFW_MAXIMIZED))
-		return;
-	if (glfwGetWindowAttrib(win, GLFW_ICONIFIED))
-		return;
-	if (glfwGetWindowMonitor(win))
-		return;
-	settings::windowPos = math::Vec(x, y);
-	// DEBUG("windowPosCallback %d %d", x, y);
-}
+	Internal()
+#if DISTRHO_PLUGIN_WANT_DIRECT_ACCESS
+		: hiddenApp(false),
+		  hiddenWindow(hiddenApp, 0, DISTRHO_UI_DEFAULT_WIDTH, DISTRHO_UI_DEFAULT_HEIGHT, 0.0, true)
+	{
+		hiddenWindow.setIgnoringKeyRepeat(true);
+		hiddenApp.idle();
+	}
+#else
+	{}
+#endif
+};
 
 
-static void windowSizeCallback(GLFWwindow* win, int width, int height) {
-	if (glfwGetWindowAttrib(win, GLFW_MAXIMIZED))
-		return;
-	if (glfwGetWindowAttrib(win, GLFW_ICONIFIED))
-		return;
-	if (glfwGetWindowMonitor(win))
-		return;
-	settings::windowSize = math::Vec(width, height);
-	// DEBUG("windowSizeCallback %d %d", width, height);
-}
+#ifndef DGL_NO_SHARED_RESOURCES
+static int loadFallbackFont(NVGcontext* const vg)
+{
+	const int font = nvgFindFont(vg, NANOVG_DEJAVU_SANS_TTF);
+	if (font >= 0)
+		return font;
 
+	using namespace dpf_resources;
 
-static void windowMaximizeCallback(GLFWwindow* win, int maximized) {
-	settings::windowMaximized = maximized;
-	// DEBUG("windowMaximizeCallback %d", maximized);
+	return nvgCreateFontMem(vg, NANOVG_DEJAVU_SANS_TTF,
+	                        (uchar*)dejavusans_ttf, dejavusans_ttf_size, 0);
 }
-
-
-static void mouseButtonCallback(GLFWwindow* win, int button, int action, int mods) {
-	contextSet((Context*) glfwGetWindowUserPointer(win));
-#if defined ARCH_MAC
-	// Remap Ctrl-left click to right click on Mac
-	if (button == GLFW_MOUSE_BUTTON_LEFT && (mods & RACK_MOD_MASK) == GLFW_MOD_CONTROL) {
-		button = GLFW_MOUSE_BUTTON_RIGHT;
-		mods &= ~GLFW_MOD_CONTROL;
-	}
-	// Remap Ctrl-shift-left click to middle click on Mac
-	if (button == GLFW_MOUSE_BUTTON_LEFT && (mods & RACK_MOD_MASK) == (GLFW_MOD_CONTROL | GLFW_MOD_SHIFT)) {
-		button = GLFW_MOUSE_BUTTON_MIDDLE;
-		mods &= ~(GLFW_MOD_CONTROL | GLFW_MOD_SHIFT);
-	}
 #endif
 
-	APP->event->handleButton(APP->window->internal->lastMousePos, button, action, mods);
-}
-
 
-static void cursorPosCallback(GLFWwindow* win, double xpos, double ypos) {
-	contextSet((Context*) glfwGetWindowUserPointer(win));
-	math::Vec mousePos = math::Vec(xpos, ypos).div(APP->window->pixelRatio / APP->window->windowRatio).round();
-	math::Vec mouseDelta = mousePos.minus(APP->window->internal->lastMousePos);
+Window::Window() {
+	internal = new Internal;
 
-	// Workaround for GLFW warping mouse to a different position when the cursor is locked or unlocked.
-	if (APP->window->internal->ignoreNextMouseDelta) {
-		APP->window->internal->ignoreNextMouseDelta = false;
-		mouseDelta = math::Vec();
-	}
+	// Set up NanoVG
+	const int nvgFlags = NVG_ANTIALIAS;
 
-	int cursorMode = glfwGetInputMode(win, GLFW_CURSOR);
-	(void) cursorMode;
+#if DISTRHO_PLUGIN_WANT_DIRECT_ACCESS
+	const DGL_NAMESPACE::Window::ScopedGraphicsContext sgc(internal->hiddenWindow);
+	vg = nvgCreateGL(nvgFlags);
+#else
+	vg = static_cast<CardinalPluginContext*>(APP)->tlw->getContext();
+#endif
+	DISTRHO_SAFE_ASSERT_RETURN(vg != nullptr,);
 
-#if defined ARCH_MAC
-	// Workaround for Mac. We can't use GLFW_CURSOR_DISABLED because it's buggy, so implement it on our own.
-	// This is not an ideal implementation. For example, if the user drags off the screen, the new mouse position will be clamped.
-	if (cursorMode == GLFW_CURSOR_HIDDEN) {
-		// CGSetLocalEventsSuppressionInterval(0.0);
-		glfwSetCursorPos(win, APP->window->internal->lastMousePos.x, APP->window->internal->lastMousePos.y);
-		CGAssociateMouseAndMouseCursorPosition(true);
-		mousePos = APP->window->internal->lastMousePos;
-	}
-	// Because sometimes the cursor turns into an arrow when its position is on the boundary of the window
-	glfwSetCursor(win, NULL);
+#ifdef NANOVG_GLES2
+	fbVg = nvgCreateSharedGLES2(vg, nvgFlags);
+#else
+	fbVg = nvgCreateSharedGL2(vg, nvgFlags);
 #endif
 
-	APP->window->internal->lastMousePos = mousePos;
+	// Load default Blendish font
+#ifndef DGL_NO_SHARED_RESOURCES
+	uiFont = std::make_shared<Font>();
+	uiFont->vg = vg;
+	uiFont->handle = loadFallbackFont(vg);
+
+	std::shared_ptr<FontWithOriginalContext> uiFont2;
+	uiFont2 = std::make_shared<FontWithOriginalContext>();
+	uiFont2->vg = vg;
+	uiFont2->handle = loadFallbackFont(vg);
+	uiFont2->ofilename = asset::system("res/fonts/DejaVuSans.ttf");
+	internal->fontCache[uiFont2->ofilename] = uiFont2;
+#else
+	uiFont = loadFont(asset::system("res/fonts/DejaVuSans.ttf"));
+#endif
 
-	APP->event->handleHover(mousePos, mouseDelta);
+	if (uiFont != nullptr)
+		bndSetFont(uiFont->handle);
 
-	// Keyboard/mouse MIDI driver
-	int width, height;
-	glfwGetWindowSize(win, &width, &height);
-	math::Vec scaledPos(xpos / width, ypos / height);
-	keyboard::mouseMove(scaledPos);
+#ifdef DISTRHO_OS_WASM
+	emscripten_lock_orientation(EMSCRIPTEN_ORIENTATION_LANDSCAPE_PRIMARY);
+#endif
 }
 
-
-static void cursorEnterCallback(GLFWwindow* win, int entered) {
-	contextSet((Context*) glfwGetWindowUserPointer(win));
-	if (!entered) {
-		APP->event->handleLeave();
+void WindowSetPluginRemote(Window* const window, NanoTopLevelWidget* const tlw)
+{
+	// if nanovg context failed, init only bare minimum
+	if (window->vg == nullptr)
+	{
+		if (tlw != nullptr)
+		{
+			window->internal->tlw = tlw;
+			window->internal->size = rack::math::Vec(tlw->getWidth(), tlw->getHeight());
+		}
+		else
+		{
+			window->internal->tlw = nullptr;
+			window->internal->callback = nullptr;
+		}
+		return;
 	}
-}
 
-
-static void scrollCallback(GLFWwindow* win, double x, double y) {
-	contextSet((Context*) glfwGetWindowUserPointer(win));
-	math::Vec scrollDelta = math::Vec(x, y);
-#if defined ARCH_MAC
-	scrollDelta = scrollDelta.mult(10.0);
+	if (tlw != nullptr)
+	{
+		const GLubyte* vendor = glGetString(GL_VENDOR);
+		const GLubyte* renderer = glGetString(GL_RENDERER);
+		const GLubyte* version = glGetString(GL_VERSION);
+		INFO("Renderer: %s %s", vendor, renderer);
+		INFO("OpenGL: %s", version);
+
+		window->internal->tlw = tlw;
+		window->internal->size = rack::math::Vec(tlw->getWidth(), tlw->getHeight());
+
+#if DISTRHO_PLUGIN_WANT_DIRECT_ACCESS
+		// Set up NanoVG
+		window->internal->r_vg = tlw->getContext();
+#ifdef NANOVG_GLES2
+		window->internal->r_fbVg = nvgCreateSharedGLES2(window->internal->r_vg, NVG_ANTIALIAS);
 #else
-	scrollDelta = scrollDelta.mult(50.0);
+		window->internal->r_fbVg = nvgCreateSharedGL2(window->internal->r_vg, NVG_ANTIALIAS);
 #endif
 
-	APP->event->handleScroll(APP->window->internal->lastMousePos, scrollDelta);
-}
+		// swap contexts
+		window->internal->o_vg = window->vg;
+		window->internal->o_fbVg = window->fbVg;
+		window->vg = window->internal->r_vg;
+		window->fbVg = window->internal->r_fbVg;
+
+		// also for fonts and images
+		window->uiFont->vg = window->vg;
+		window->uiFont->handle = loadFallbackFont(window->vg);
+		for (auto& font : window->internal->fontCache)
+		{
+			font.second->vg = window->vg;
+			font.second->ohandle = font.second->handle;
+			font.second->handle = nvgCreateFont(window->vg,
+			                                    font.second->ofilename.c_str(), font.second->ofilename.c_str());
+		}
+		for (auto& image : window->internal->imageCache)
+		{
+			image.second->vg = window->vg;
+			image.second->ohandle = image.second->handle;
+			image.second->handle = nvgCreateImage(window->vg, image.second->ofilename.c_str(),
+			                                      NVG_IMAGE_REPEATX | NVG_IMAGE_REPEATY);
+		}
+#endif
 
+		// Init settings
+		WindowParametersRestore(window);
 
-static void charCallback(GLFWwindow* win, unsigned int codepoint) {
-	contextSet((Context*) glfwGetWindowUserPointer(win));
-	if (APP->event->handleText(APP->window->internal->lastMousePos, codepoint))
-		return;
-}
+		widget::Widget::ContextCreateEvent e = {};
+		e.vg = window->vg;
+		APP->scene->onContextCreate(e);
+	}
+	else
+	{
+		widget::Widget::ContextDestroyEvent e = {};
+		e.vg = window->vg;
+		APP->scene->onContextDestroy(e);
 
+#if DISTRHO_PLUGIN_WANT_DIRECT_ACCESS
+		// swap contexts
+		window->uiFont->vg = window->internal->o_vg;
+		window->vg = window->internal->o_vg;
+		window->fbVg = window->internal->o_fbVg;
+		window->internal->o_vg = nullptr;
+		window->internal->o_fbVg = nullptr;
+
+		// also for fonts and images
+		window->uiFont->vg = window->vg;
+		window->uiFont->handle = loadFallbackFont(window->vg);
+		for (auto& font : window->internal->fontCache)
+		{
+			font.second->vg = window->vg;
+			font.second->handle = font.second->ohandle;
+			font.second->ohandle = -1;
+		}
+		for (auto& image : window->internal->imageCache)
+		{
+			image.second->vg = window->vg;
+			image.second->handle = image.second->ohandle;
+			image.second->ohandle = -1;
+		}
 
-static void keyCallback(GLFWwindow* win, int key, int scancode, int action, int mods) {
-	contextSet((Context*) glfwGetWindowUserPointer(win));
-	if (APP->event->handleKey(APP->window->internal->lastMousePos, key, scancode, action, mods))
-		return;
+#if defined NANOVG_GLES2
+		nvgDeleteGLES2(window->internal->r_fbVg);
+#else
+		nvgDeleteGL2(window->internal->r_fbVg);
+#endif
+#endif
 
-	// Keyboard/mouse MIDI driver
-	if (action == GLFW_PRESS && (mods & RACK_MOD_MASK) == 0) {
-		keyboard::press(key);
-	}
-	if (action == GLFW_RELEASE) {
-		keyboard::release(key);
+		window->internal->tlw = nullptr;
+		window->internal->callback = nullptr;
 	}
 }
 
-
-static void dropCallback(GLFWwindow* win, int count, const char** paths) {
-	contextSet((Context*) glfwGetWindowUserPointer(win));
-	std::vector<std::string> pathsVec;
-	for (int i = 0; i < count; i++) {
-		pathsVec.push_back(paths[i]);
+void WindowSetPluginUI(Window* const window, CardinalBaseUI* const ui)
+{
+	// if nanovg context failed, init only bare minimum
+	if (window->vg == nullptr)
+	{
+		if (ui != nullptr)
+		{
+			window->internal->ui = ui;
+			window->internal->size = rack::math::Vec(ui->getWidth(), ui->getHeight());
+		}
+		else
+		{
+			window->internal->ui = nullptr;
+			window->internal->callback = nullptr;
+		}
+		return;
 	}
-	APP->event->handleDrop(APP->window->internal->lastMousePos, pathsVec);
-}
-
-
-static void errorCallback(int error, const char* description) {
-	WARN("GLFW error %d: %s", error, description);
-}
 
+	if (ui != nullptr)
+	{
+		const GLubyte* vendor = glGetString(GL_VENDOR);
+		const GLubyte* renderer = glGetString(GL_RENDERER);
+		const GLubyte* version = glGetString(GL_VERSION);
+		INFO("Renderer: %s %s", vendor, renderer);
+		INFO("OpenGL: %s", version);
+
+		window->internal->tlw = ui;
+		window->internal->ui = ui;
+		window->internal->size = rack::math::Vec(ui->getWidth(), ui->getHeight());
+
+#if DISTRHO_PLUGIN_WANT_DIRECT_ACCESS
+		// Set up NanoVG
+		window->internal->r_vg = ui->getContext();
+#ifdef NANOVG_GLES2
+		window->internal->r_fbVg = nvgCreateSharedGLES2(window->internal->r_vg, NVG_ANTIALIAS);
+#else
+		window->internal->r_fbVg = nvgCreateSharedGL2(window->internal->r_vg, NVG_ANTIALIAS);
+#endif
 
-Window::Window() {
-	internal = new Internal;
-	int err;
-
-	// Set window hints
-#if defined NANOVG_GL2
-	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
-	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
-#elif defined NANOVG_GL3
-	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
-	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
-	glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
-	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
-#endif
-	glfwWindowHint(GLFW_DOUBLEBUFFER, GLFW_TRUE);
-	glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
-
-#if defined ARCH_MAC
-	glfwWindowHint(GLFW_COCOA_RETINA_FRAMEBUFFER, GLFW_TRUE);
-#endif
-
-	// Create window
-	win = glfwCreateWindow(1024, 720, "", NULL, NULL);
-	if (!win) {
-		osdialog_message(OSDIALOG_ERROR, OSDIALOG_OK, "Could not open GLFW window. Does your graphics card support OpenGL 2.0 or greater? If so, make sure you have the latest graphics drivers installed.");
-		throw Exception("Could not create Window");
-	}
-
-	float contentScale;
-	glfwGetWindowContentScale(win, &contentScale, NULL);
-	INFO("Window content scale: %f", contentScale);
-
-	glfwSetWindowSizeLimits(win, WINDOW_SIZE_MIN.x, WINDOW_SIZE_MIN.y, GLFW_DONT_CARE, GLFW_DONT_CARE);
-	if (settings::windowSize.x > 0 && settings::windowSize.y > 0) {
-		glfwSetWindowSize(win, settings::windowSize.x, settings::windowSize.y);
-	}
-	if (settings::windowPos.x > -32000 && settings::windowPos.y > -32000) {
-		glfwSetWindowPos(win, settings::windowPos.x, settings::windowPos.y);
-	}
-	if (settings::windowMaximized) {
-		glfwMaximizeWindow(win);
-	}
-	glfwShowWindow(win);
-
-	glfwSetWindowUserPointer(win, contextGet());
-	glfwSetInputMode(win, GLFW_LOCK_KEY_MODS, 1);
-
-	glfwMakeContextCurrent(win);
-	glfwSwapInterval(0);
-	const GLFWvidmode* monitorMode = glfwGetVideoMode(glfwGetPrimaryMonitor());
-	if (monitorMode->refreshRate > 0) {
-		internal->monitorRefreshRate = monitorMode->refreshRate;
-	}
-	else {
-		// Some monitors report 0Hz refresh rate for some reason, so as a workaround, assume 60Hz.
-		internal->monitorRefreshRate = 60;
-	}
-
-	// Set window callbacks
-	glfwSetWindowPosCallback(win, windowPosCallback);
-	glfwSetWindowSizeCallback(win, windowSizeCallback);
-	glfwSetWindowMaximizeCallback(win, windowMaximizeCallback);
-	glfwSetMouseButtonCallback(win, mouseButtonCallback);
-	// Call this ourselves, but on every frame instead of only when the mouse moves
-	// glfwSetCursorPosCallback(win, cursorPosCallback);
-	glfwSetCursorEnterCallback(win, cursorEnterCallback);
-	glfwSetScrollCallback(win, scrollCallback);
-	glfwSetCharCallback(win, charCallback);
-	glfwSetKeyCallback(win, keyCallback);
-	glfwSetDropCallback(win, dropCallback);
-
-	// Set up GLEW
-	glewExperimental = GL_TRUE;
-	err = glewInit();
-	if (err != GLEW_OK) {
-		osdialog_message(OSDIALOG_ERROR, OSDIALOG_OK, "Could not initialize GLEW. Does your graphics card support OpenGL 2.0 or greater? If so, make sure you have the latest graphics drivers installed.");
-		throw Exception("Could not initialize GLEW");
-	}
-
-	const GLubyte* vendor = glGetString(GL_VENDOR);
-	const GLubyte* renderer = glGetString(GL_RENDERER);
-	const GLubyte* version = glGetString(GL_VERSION);
-	INFO("Renderer: %s %s", vendor, renderer);
-	INFO("OpenGL: %s", version);
+		// swap contexts
+		window->internal->o_vg = window->vg;
+		window->internal->o_fbVg = window->fbVg;
+		window->vg = window->internal->r_vg;
+		window->fbVg = window->internal->r_fbVg;
+
+		// also for fonts and images
+		window->uiFont->vg = window->vg;
+		window->uiFont->handle = loadFallbackFont(window->vg);
+		for (auto& font : window->internal->fontCache)
+		{
+			font.second->vg = window->vg;
+			font.second->ohandle = font.second->handle;
+			font.second->handle = nvgCreateFont(window->vg,
+			                                    font.second->ofilename.c_str(), font.second->ofilename.c_str());
+		}
+		for (auto& image : window->internal->imageCache)
+		{
+			image.second->vg = window->vg;
+			image.second->ohandle = image.second->handle;
+			image.second->handle = nvgCreateImage(window->vg, image.second->ofilename.c_str(),
+			                                      NVG_IMAGE_REPEATX | NVG_IMAGE_REPEATY);
+		}
+#endif
 
-	// GLEW generates GL error because it calls glGetString(GL_EXTENSIONS), we'll consume it here.
-	glGetError();
+		// Init settings
+		WindowParametersRestore(window);
 
-	// Set up NanoVG
-	int nvgFlags = NVG_ANTIALIAS;
-#if defined NANOVG_GL2
-	vg = nvgCreateGL2(nvgFlags);
-	fbVg = nvgCreateSharedGL2(vg, nvgFlags);
-#elif defined NANOVG_GL3
-	vg = nvgCreateGL3(nvgFlags);
-#elif defined NANOVG_GLES2
-	vg = nvgCreateGLES2(nvgFlags);
-#endif
-	if (!vg) {
-		osdialog_message(OSDIALOG_ERROR, OSDIALOG_OK, "Could not initialize NanoVG. Does your graphics card support OpenGL 2.0 or greater? If so, make sure you have the latest graphics drivers installed.");
-		throw Exception("Could not initialize NanoVG");
+		widget::Widget::ContextCreateEvent e = {};
+		e.vg = window->vg;
+		APP->scene->onContextCreate(e);
 	}
+	else
+	{
+		widget::Widget::ContextDestroyEvent e = {};
+		e.vg = window->vg;
+		APP->scene->onContextDestroy(e);
 
-	// Load default Blendish font
-	uiFont = loadFont(asset::system("res/fonts/DejaVuSans.ttf"));
-	bndSetFont(uiFont->handle);
+#if DISTRHO_PLUGIN_WANT_DIRECT_ACCESS
+		// swap contexts
+		window->uiFont->vg = window->internal->o_vg;
+		window->vg = window->internal->o_vg;
+		window->fbVg = window->internal->o_fbVg;
+		window->internal->o_vg = nullptr;
+		window->internal->o_fbVg = nullptr;
+
+		// also for fonts and images
+		window->uiFont->vg = window->vg;
+		window->uiFont->handle = loadFallbackFont(window->vg);
+		for (auto& font : window->internal->fontCache)
+		{
+			font.second->vg = window->vg;
+			font.second->handle = font.second->ohandle;
+			font.second->ohandle = -1;
+		}
+		for (auto& image : window->internal->imageCache)
+		{
+			image.second->vg = window->vg;
+			image.second->handle = image.second->ohandle;
+			image.second->ohandle = -1;
+		}
 
-	if (APP->scene) {
-		widget::Widget::ContextCreateEvent e;
-		e.vg = vg;
-		APP->scene->onContextCreate(e);
+#if defined NANOVG_GLES2
+		nvgDeleteGLES2(window->internal->r_fbVg);
+#else
+		nvgDeleteGL2(window->internal->r_fbVg);
+#endif
+#endif
+
+		window->internal->tlw = nullptr;
+		window->internal->ui = nullptr;
+		window->internal->callback = nullptr;
 	}
 }
 
+void WindowSetMods(Window* const window, const int mods)
+{
+	window->internal->mods = mods;
+}
 
 Window::~Window() {
-	if (APP->scene) {
-		widget::Widget::ContextDestroyEvent e;
-		e.vg = vg;
-		APP->scene->onContextDestroy(e);
-	}
+	{
+#if DISTRHO_PLUGIN_WANT_DIRECT_ACCESS
+		DGL_NAMESPACE::Window::ScopedGraphicsContext sgc(internal->hiddenWindow);
+		internal->hiddenWindow.close();
+		internal->hiddenApp.idle();
+#endif
 
-	// Fonts and Images in the cache must be deleted before the NanoVG context is deleted
-	internal->fontCache.clear();
-	internal->imageCache.clear();
-
-	// nvgDeleteClone(fbVg);
-
-#if defined NANOVG_GL2
-	nvgDeleteGL2(vg);
-	nvgDeleteGL2(fbVg);
-#elif defined NANOVG_GL3
-	nvgDeleteGL3(vg);
-#elif defined NANOVG_GLES2
-	nvgDeleteGLES2(vg);
+		// Fonts and Images in the cache must be deleted before the NanoVG context is deleted
+		internal->fontCache.clear();
+		internal->imageCache.clear();
+
+		if (vg != nullptr)
+		{
+#if DISTRHO_PLUGIN_WANT_DIRECT_ACCESS
+#if defined NANOVG_GLES2
+			nvgDeleteGLES2(internal->o_fbVg != nullptr ? internal->o_fbVg : fbVg);
+			nvgDeleteGLES2(internal->o_vg != nullptr ? internal->o_vg : vg);
+#else
+			nvgDeleteGL2(internal->o_fbVg != nullptr ? internal->o_fbVg : fbVg);
+			nvgDeleteGL2(internal->o_vg != nullptr ? internal->o_vg : vg);
 #endif
+#else
+#if defined NANOVG_GLES2
+			nvgDeleteGLES2(fbVg);
+#else
+			nvgDeleteGL2(fbVg);
+#endif
+#endif
+		}
+	}
 
-	glfwDestroyWindow(win);
 	delete internal;
 }
 
 
 math::Vec Window::getSize() {
-	int width, height;
-	glfwGetWindowSize(win, &width, &height);
-	return math::Vec(width, height);
+	return internal->size;
 }
 
 
 void Window::setSize(math::Vec size) {
 	size = size.max(WINDOW_SIZE_MIN);
-	glfwSetWindowSize(win, size.x, size.y);
+	internal->size = size;
+
+	if (DGL_NAMESPACE::NanoTopLevelWidget* const tlw = internal->ui)
+		tlw->setSize(internal->size.x, internal->size.y);
+}
+
+void WindowSetInternalSize(rack::window::Window* const window, math::Vec size) {
+	size = size.max(WINDOW_SIZE_MIN);
+	window->internal->size = size;
 }
 
 
 void Window::run() {
 	internal->frame = 0;
-	while (!glfwWindowShouldClose(win)) {
-		step();
+}
+
+
+#ifdef CARDINAL_WINDOW_CAN_GENERATE_SCREENSHOTS
+static void Window__flipBitmap(uint8_t* pixels, const int width, const int height, const int depth) {
+	for (int y = 0; y < height / 2; y++) {
+		const int flipY = height - y - 1;
+		uint8_t tmp[width * depth];
+		std::memcpy(tmp, &pixels[y * width * depth], width * depth);
+		std::memmove(&pixels[y * width * depth], &pixels[flipY * width * depth], width * depth);
+		std::memcpy(&pixels[flipY * width * depth], tmp, width * depth);
+	}
+}
+
+
+#ifdef STBI_WRITE_NO_STDIO
+static void Window__downscaleBitmap(uint8_t* pixels, int& width, int& height) {
+	int targetWidth = width;
+	int targetHeight = height;
+	double scale = 1.0;
+
+	if (targetWidth > 340) {
+		scale = width / 340.0;
+		targetWidth = 340;
+		targetHeight = height / scale;
+	}
+	if (targetHeight > 210) {
+		scale = height / 210.0;
+		targetHeight = 210;
+		targetWidth = width / scale;
+	}
+	DISTRHO_SAFE_ASSERT_INT_RETURN(targetWidth <= 340, targetWidth,);
+	DISTRHO_SAFE_ASSERT_INT_RETURN(targetHeight <= 210, targetHeight,);
+
+	// FIXME worst possible quality :/
+	for (int y = 0; y < targetHeight; ++y) {
+		const int ys = static_cast<int>(y * scale);
+		for (int x = 0; x < targetWidth; ++x) {
+			const int xs = static_cast<int>(x * scale);
+			std::memmove(pixels + (width * y + x) * 3, pixels + (width * ys + xs) * 3, 3);
+		}
+	}
+
+	width = targetWidth;
+	height = targetHeight;
+}
+
+static void Window__writeImagePNG(void* context, void* data, int size) {
+	USE_NAMESPACE_DISTRHO
+	CardinalBaseUI* const ui = static_cast<CardinalBaseUI*>(context);
+	if (char* const screenshot = String::asBase64(data, size).getAndReleaseBuffer()) {
+		ui->setState("screenshot", screenshot);
+		if (ui->remoteDetails != nullptr)
+			remoteUtils::sendScreenshotToRemote(ui->remoteDetails, screenshot);
+		std::free(screenshot);
 	}
 }
+#endif
+#endif
 
 
 void Window::step() {
+	if (internal->tlw == nullptr || vg == nullptr)
+		return;
+
 	double frameTime = system::getTime();
 	if (std::isfinite(internal->frameTime)) {
 		internal->lastFrameDuration = frameTime - internal->frameTime;
@@ -424,57 +622,52 @@
 	// Make event handlers and step() have a clean NanoVG context
 	nvgReset(vg);
 
-	bndSetFont(uiFont->handle);
-
-	// Poll events
-	// Save and restore context because event handler set their own context based on which window they originate from.
-	Context* context = contextGet();
-	glfwPollEvents();
-	contextSet(context);
-
-	// In case glfwPollEvents() sets another OpenGL context
-	glfwMakeContextCurrent(win);
-
-	// Call cursorPosCallback every frame, not just when the mouse moves
-	{
-		double xpos, ypos;
-		glfwGetCursorPos(win, &xpos, &ypos);
-		cursorPosCallback(win, xpos, ypos);
-	}
-	gamepad::step();
+	if (uiFont != nullptr)
+		bndSetFont(uiFont->handle);
 
 	// Set window title
-	std::string windowTitle = APP_NAME + " " + APP_EDITION_NAME + " " + APP_VERSION;
-	if (APP->patch->path != "") {
-		windowTitle += " - ";
-		if (!APP->history->isSaved())
-			windowTitle += "*";
-		windowTitle += system::getFilename(APP->patch->path);
-	}
-	if (windowTitle != internal->lastWindowTitle) {
-		glfwSetWindowTitle(win, windowTitle.c_str());
-		internal->lastWindowTitle = windowTitle;
+	if (isStandalone()) {
+#if CARDINAL_VARIANT_MINI
+		std::string windowTitle = "Cardinal Mini";
+#else
+		std::string windowTitle = "Cardinal";
+#endif
+		if (APP->patch->path != "") {
+			windowTitle += " - ";
+			if (!APP->history->isSaved())
+				windowTitle += "*";
+			windowTitle += system::getFilename(APP->patch->path);
+		}
+		if (windowTitle != internal->lastWindowTitle) {
+			internal->tlw->getWindow().setTitle(windowTitle.c_str());
+			internal->lastWindowTitle = windowTitle;
+		}
 	}
 
 	// Get desired pixel ratio
-	float newPixelRatio;
-	if (settings::pixelRatio > 0.0) {
-		newPixelRatio = settings::pixelRatio;
-	}
-	else {
-		glfwGetWindowContentScale(win, &newPixelRatio, NULL);
-		newPixelRatio = std::floor(newPixelRatio + 0.5);
-	}
+	float newPixelRatio = internal->tlw->getScaleFactor();
 	if (newPixelRatio != pixelRatio) {
 		pixelRatio = newPixelRatio;
 		APP->event->handleDirty();
 	}
 
+#ifdef CARDINAL_WINDOW_CAN_GENERATE_SCREENSHOTS
+	// Hide menu and background if generating screenshot
+	if (internal->generateScreenshotStep == kScreenshotStepStarted) {
+#ifdef CARDINAL_TRANSPARENT_SCREENSHOTS
+		APP->scene->menuBar->hide();
+		APP->scene->rack->children.front()->hide();
+#else
+		internal->generateScreenshotStep = kScreenshotStepSecondPass;
+#endif
+	}
+#endif
+
 	// Get framebuffer/window ratio
-	int fbWidth, fbHeight;
-	glfwGetFramebufferSize(win, &fbWidth, &fbHeight);
-	int winWidth, winHeight;
-	glfwGetWindowSize(win, &winWidth, &winHeight);
+	int winWidth = internal->tlw->getWidth();
+	int winHeight = internal->tlw->getHeight();
+	int fbWidth = winWidth;
+	int fbHeight = winHeight;
 	windowRatio = (float)fbWidth / winWidth;
 	// t1 = system::getTime();
 
@@ -488,10 +681,8 @@
 		// t2 = system::getTime();
 
 		// Render scene
-		bool visible = glfwGetWindowAttrib(win, GLFW_VISIBLE) && !glfwGetWindowAttrib(win, GLFW_ICONIFIED);
-		if (visible) {
+		{
 			// Update and render
-			nvgBeginFrame(vg, fbWidth, fbHeight, pixelRatio);
 			nvgScale(vg, pixelRatio, pixelRatio);
 
 			// Draw scene
@@ -502,23 +693,16 @@
 			// t3 = system::getTime();
 
 			glViewport(0, 0, fbWidth, fbHeight);
+#ifdef CARDINAL_TRANSPARENT_SCREENSHOTS
+			glClearColor(0.0, 0.0, 0.0, 0.0);
+#else
 			glClearColor(0.0, 0.0, 0.0, 1.0);
+#endif
 			glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
-			nvgEndFrame(vg);
 		}
 		// t4 = system::getTime();
 	}
 
-	glfwSwapBuffers(win);
-
-	// Limit frame rate
-	if (settings::frameRateLimit > 0) {
-		double remaining = getFrameDurationRemaining();
-		if (remaining > 0.0) {
-			system::sleep(remaining);
-		}
-	}
-
 	// t5 = system::getTime();
 	// DEBUG("pre-step %6.1f step %6.1f draw %6.1f nvgEndFrame %6.1f glfwSwapBuffers %6.1f total %6.1f",
 	// 	(t1 - frameTime) * 1e3f,
@@ -528,168 +712,132 @@
 	// 	(t5 - t4) * 1e3f,
 	// 	(t5 - frameTime) * 1e3f
 	// );
-	internal->frame++;
-}
+	++internal->frame;
+
+#ifdef CARDINAL_WINDOW_CAN_GENERATE_SCREENSHOTS
+	if (internal->generateScreenshotStep != kScreenshotStepNone) {
+		++internal->generateScreenshotStep;
+
+		int y = 0;
+#ifdef CARDINAL_TRANSPARENT_SCREENSHOTS
+		constexpr const int depth = 4;
+#else
+		y = APP->scene->menuBar->box.size.y * newPixelRatio;
+		constexpr const int depth = 3;
+#endif
 
+		// Allocate pixel color buffer
+		uint8_t* const pixels = new uint8_t[winHeight * winWidth * 4];
 
-static void flipBitmap(uint8_t* pixels, int width, int height, int depth) {
-	for (int y = 0; y < height / 2; y++) {
-		int flipY = height - y - 1;
-		uint8_t tmp[width * depth];
-		std::memcpy(tmp, &pixels[y * width * depth], width * depth);
-		std::memcpy(&pixels[y * width * depth], &pixels[flipY * width * depth], width * depth);
-		std::memcpy(&pixels[flipY * width * depth], tmp, width * depth);
+		// glReadPixels defaults to GL_BACK, but the back-buffer is unstable, so use the front buffer (what the user sees)
+		glReadBuffer(GL_FRONT);
+		glReadPixels(0, 0, winWidth, winHeight, depth == 3 ? GL_RGB : GL_RGBA, GL_UNSIGNED_BYTE, pixels);
+
+		if (internal->generateScreenshotStep == kScreenshotStepSaving)
+		{
+			// Write pixels to PNG
+			Window__flipBitmap(pixels, winWidth, winHeight, depth);
+			winHeight -= y;
+			const int stride = winWidth * depth;
+			uint8_t* const pixelsWithOffset = pixels + (stride * y);
+#ifdef STBI_WRITE_NO_STDIO
+			Window__downscaleBitmap(pixelsWithOffset, winWidth, winHeight);
+			stbi_write_png_to_func(Window__writeImagePNG, internal->ui,
+			                       winWidth, winHeight, depth, pixelsWithOffset, stride);
+#else
+			stbi_write_png("screenshot.png", winWidth, winHeight, depth, pixelsWithOffset, stride);
+#endif
+
+			internal->generateScreenshotStep = kScreenshotStepNone;
+#ifdef CARDINAL_TRANSPARENT_SCREENSHOTS
+			APP->scene->menuBar->show();
+			APP->scene->rack->children.front()->show();
+#endif
+		}
+
+		delete[] pixels;
 	}
+#endif
 }
 
 
 void Window::screenshot(const std::string& screenshotPath) {
-	// Get window framebuffer size
-	int width, height;
-	glfwGetFramebufferSize(APP->window->win, &width, &height);
-
-	// Allocate pixel color buffer
-	uint8_t* pixels = new uint8_t[height * width * 4];
-
-	// glReadPixels defaults to GL_BACK, but the back-buffer is unstable, so use the front buffer (what the user sees)
-	glReadBuffer(GL_FRONT);
-	glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
-
-	// Write pixels to PNG
-	flipBitmap(pixels, width, height, 4);
-	stbi_write_png(screenshotPath.c_str(), width, height, 4, pixels, width * 4);
-
-	delete[] pixels;
 }
 
 
 void Window::screenshotModules(const std::string& screenshotsDir, float zoom) {
-	// Disable preferDarkPanels
-	bool preferDarkPanels = settings::preferDarkPanels;
-	settings::preferDarkPanels = false;
-	DEFER({settings::preferDarkPanels = preferDarkPanels;});
-
-	// Iterate plugins and create directories
-	system::createDirectories(screenshotsDir);
-	for (plugin::Plugin* p : plugin::plugins) {
-		std::string dir = system::join(screenshotsDir, p->slug);
-		system::createDirectory(dir);
-		for (plugin::Model* model : p->models) {
-			std::string filename = system::join(dir, model->slug + ".png");
-
-			// Skip model if screenshot already exists
-			if (system::isFile(filename))
-				continue;
-
-			INFO("Screenshotting %s %s to %s", p->slug.c_str(), model->slug.c_str(), filename.c_str());
-
-			// Create widgets
-			widget::FramebufferWidget* fbw = new widget::FramebufferWidget;
-			fbw->oversample = 2;
-
-			struct ModuleWidgetContainer : widget::Widget {
-				void draw(const DrawArgs& args) override {
-					Widget::draw(args);
-					Widget::drawLayer(args, 1);
-				}
-			};
-			ModuleWidgetContainer* mwc = new ModuleWidgetContainer;
-			fbw->addChild(mwc);
-
-			app::ModuleWidget* mw = model->createModuleWidget(NULL);
-			mwc->box.size = mw->box.size;
-			fbw->box.size = mw->box.size;
-			mwc->addChild(mw);
-
-			// Step to allow the ModuleWidget state to set its default appearance.
-			fbw->step();
-
-			// Draw to framebuffer
-			fbw->render(math::Vec(zoom, zoom));
-
-			// Read pixels
-			nvgluBindFramebuffer(fbw->getFramebuffer());
-			int width, height;
-			nvgImageSize(vg, fbw->getImageHandle(), &width, &height);
-			uint8_t* pixels = new uint8_t[height * width * 4];
-			glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
-
-			// Write pixels to PNG
-			flipBitmap(pixels, width, height, 4);
-			stbi_write_png(filename.c_str(), width, height, 4, pixels, width * 4);
-
-			// Cleanup
-			delete[] pixels;
-			nvgluBindFramebuffer(NULL);
-			delete fbw;
-		}
-	}
 }
 
 
 void Window::close() {
-	glfwSetWindowShouldClose(win, GLFW_TRUE);
+	DISTRHO_SAFE_ASSERT_RETURN(internal->tlw != nullptr,);
+
+	internal->tlw->getWindow().close();
 }
 
 
 void Window::cursorLock() {
+#ifdef DISTRHO_OS_WASM
 	if (!settings::allowCursorLock)
 		return;
 
-#if defined ARCH_MAC
-	glfwSetInputMode(win, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
-#else
-	glfwSetInputMode(win, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
+	emscripten_request_pointerlock(internal->tlw->getWindow().getApp().getClassName(), false);
 #endif
-	internal->ignoreNextMouseDelta = true;
 }
 
 
 void Window::cursorUnlock() {
+#ifdef DISTRHO_OS_WASM
 	if (!settings::allowCursorLock)
 		return;
 
-	glfwSetInputMode(win, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
-	internal->ignoreNextMouseDelta = true;
+	emscripten_exit_pointerlock();
+#endif
 }
 
 
 bool Window::isCursorLocked() {
-	return glfwGetInputMode(win, GLFW_CURSOR) != GLFW_CURSOR_NORMAL;
+#ifdef DISTRHO_OS_WASM
+	EmscriptenPointerlockChangeEvent status;
+	if (emscripten_get_pointerlock_status(&status) == EMSCRIPTEN_RESULT_SUCCESS)
+		return status.isActive;
+#endif
+	return false;
 }
 
 
 int Window::getMods() {
-	int mods = 0;
-	if (glfwGetKey(win, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS || glfwGetKey(win, GLFW_KEY_RIGHT_SHIFT) == GLFW_PRESS)
-		mods |= GLFW_MOD_SHIFT;
-	if (glfwGetKey(win, GLFW_KEY_LEFT_CONTROL) == GLFW_PRESS || glfwGetKey(win, GLFW_KEY_RIGHT_CONTROL) == GLFW_PRESS)
-		mods |= GLFW_MOD_CONTROL;
-	if (glfwGetKey(win, GLFW_KEY_LEFT_ALT) == GLFW_PRESS || glfwGetKey(win, GLFW_KEY_RIGHT_ALT) == GLFW_PRESS)
-		mods |= GLFW_MOD_ALT;
-	if (glfwGetKey(win, GLFW_KEY_LEFT_SUPER) == GLFW_PRESS || glfwGetKey(win, GLFW_KEY_RIGHT_SUPER) == GLFW_PRESS)
-		mods |= GLFW_MOD_SUPER;
-	return mods;
+	return internal->mods;
 }
 
 
 void Window::setFullScreen(bool fullScreen) {
-	if (!fullScreen) {
-		glfwSetWindowMonitor(win, NULL, internal->lastWindowX, internal->lastWindowY, internal->lastWindowWidth, internal->lastWindowHeight, GLFW_DONT_CARE);
+#ifdef DISTRHO_OS_WASM
+	if (fullScreen)
+	{
+		try {
+			emscripten_request_fullscreen(internal->tlw->getWindow().getApp().getClassName(), false);
+		} DISTRHO_SAFE_EXCEPTION("fullscreen");
 	}
-	else {
-		glfwGetWindowPos(win, &internal->lastWindowX, &internal->lastWindowY);
-		glfwGetWindowSize(win, &internal->lastWindowWidth, &internal->lastWindowHeight);
-		GLFWmonitor* monitor = glfwGetPrimaryMonitor();
-		const GLFWvidmode* mode = glfwGetVideoMode(monitor);
-		glfwSetWindowMonitor(win, monitor, 0, 0, mode->width, mode->height, mode->refreshRate);
+	else
+	{
+		emscripten_exit_fullscreen();
 	}
+#endif
 }
 
 
 bool Window::isFullScreen() {
-	GLFWmonitor* monitor = glfwGetWindowMonitor(win);
-	return monitor != NULL;
+#ifdef DISTRHO_OS_WASM
+	EmscriptenFullscreenChangeEvent status;
+	if (emscripten_get_fullscreen_status(&status) == EMSCRIPTEN_RESULT_SUCCESS)
+		return status.isFullscreen;
+	return false;
+#elif defined(CARDINAL_WINDOW_CAN_GENERATE_SCREENSHOTS) && defined(CARDINAL_TRANSPARENT_SCREENSHOTS)
+	return internal->generateScreenshotStep != kScreenshotStepNone;
+#else
+	return false;
+#endif
 }
 
 
@@ -709,7 +857,7 @@
 
 
 double Window::getFrameDurationRemaining() {
-	double frameDuration = 1.f / settings::frameRateLimit;
+	double frameDuration = 1.f / internal->monitorRefreshRate;
 	return frameDuration - (system::getTime() - internal->frameTime);
 }
 
@@ -720,14 +868,15 @@
 		return pair->second;
 
 	// Load font
-	std::shared_ptr<Font> font;
+	std::shared_ptr<FontWithOriginalContext> font;
 	try {
-		font = std::make_shared<Font>();
+		font = std::make_shared<FontWithOriginalContext>();
+		font->ofilename = filename;
 		font->loadFile(filename, vg);
 	}
 	catch (Exception& e) {
 		WARN("%s", e.what());
-		font = NULL;
+		font = nullptr;
 	}
 	internal->fontCache[filename] = font;
 	return font;
@@ -740,14 +889,15 @@
 		return pair->second;
 
 	// Load image
-	std::shared_ptr<Image> image;
+	std::shared_ptr<ImageWithOriginalContext> image;
 	try {
-		image = std::make_shared<Image>();
+		image = std::make_shared<ImageWithOriginalContext>();
+		image->ofilename = filename;
 		image->loadFile(filename, vg);
 	}
 	catch (Exception& e) {
 		WARN("%s", e.what());
-		image = NULL;
+		image = nullptr;
 	}
 	internal->imageCache[filename] = image;
 	return image;
@@ -764,28 +914,156 @@
 }
 
 
-void init() {
-	int err;
-
-	// Set up GLFW
-#if defined ARCH_MAC
-	glfwInitHint(GLFW_COCOA_CHDIR_RESOURCES, GLFW_TRUE);
-	glfwInitHint(GLFW_COCOA_MENUBAR, GLFW_FALSE);
+void generateScreenshot() {
+#ifdef CARDINAL_WINDOW_CAN_GENERATE_SCREENSHOTS
+	APP->window->internal->generateScreenshotStep = kScreenshotStepStarted;
 #endif
+}
 
-	glfwSetErrorCallback(errorCallback);
-	err = glfwInit();
-	if (err != GLFW_TRUE) {
-		osdialog_message(OSDIALOG_ERROR, OSDIALOG_OK, "Could not initialize GLFW.");
-		throw Exception("Could not initialize GLFW");
-	}
+
+void init() {
 }
 
 
 void destroy() {
-	glfwTerminate();
 }
 
 
 } // namespace window
 } // namespace rack
+
+
+START_NAMESPACE_DISTRHO
+
+void WindowParametersSave(rack::window::Window* const window)
+{
+	if (d_isNotEqual(window->internal->params.cableOpacity, rack::settings::cableOpacity))
+	{
+		window->internal->params.cableOpacity = rack::settings::cableOpacity;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterCableOpacity,
+			                                                    rack::settings::cableOpacity);
+	}
+	if (d_isNotEqual(window->internal->params.cableTension, rack::settings::cableTension))
+	{
+		window->internal->params.cableTension = rack::settings::cableTension;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterCableTension,
+			                                                    rack::settings::cableTension);
+	}
+	if (d_isNotEqual(window->internal->params.rackBrightness, rack::settings::rackBrightness))
+	{
+		window->internal->params.rackBrightness = rack::settings::rackBrightness;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterRackBrightness,
+			                                                    rack::settings::rackBrightness);
+	}
+	if (d_isNotEqual(window->internal->params.haloBrightness, rack::settings::haloBrightness))
+	{
+		window->internal->params.haloBrightness = rack::settings::haloBrightness;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterHaloBrightness,
+			                                                    rack::settings::haloBrightness);
+	}
+	if (d_isNotEqual(window->internal->params.knobScrollSensitivity, rack::settings::knobScrollSensitivity))
+	{
+		window->internal->params.knobScrollSensitivity = rack::settings::knobScrollSensitivity;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterWheelSensitivity,
+			                                                    rack::settings::knobScrollSensitivity);
+	}
+	if (d_isNotEqual(window->internal->params.browserZoom, rack::settings::browserZoom))
+	{
+		window->internal->params.browserZoom = rack::settings::browserZoom;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterBrowserZoom,
+			                                                    rack::settings::browserZoom);
+	}
+	if (window->internal->params.knobMode != rack::settings::knobMode)
+	{
+		window->internal->params.knobMode = rack::settings::knobMode;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterKnobMode,
+			                                                    rack::settings::knobMode);
+	}
+	if (window->internal->params.browserSort != rack::settings::browserSort)
+	{
+		window->internal->params.browserSort = rack::settings::browserSort;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterBrowserSort,
+			                                                    rack::settings::browserSort);
+	}
+	if (window->internal->params.tooltips != rack::settings::tooltips)
+	{
+		window->internal->params.tooltips = rack::settings::tooltips;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterShowTooltips,
+			                                                    rack::settings::tooltips);
+	}
+	if (window->internal->params.knobScroll != rack::settings::knobScroll)
+	{
+		window->internal->params.knobScroll = rack::settings::knobScroll;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterWheelKnobControl,
+			                                                    rack::settings::knobScroll);
+	}
+	if (window->internal->params.lockModules != rack::settings::lockModules)
+	{
+		window->internal->params.lockModules = rack::settings::lockModules;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterLockModulePositions,
+			                                                    rack::settings::lockModules);
+	}
+	if (window->internal->params.squeezeModules != rack::settings::squeezeModules)
+	{
+		window->internal->params.squeezeModules = rack::settings::squeezeModules;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterSqueezeModulePositions,
+			                                                    rack::settings::squeezeModules);
+	}
+	if (window->internal->params.invertZoom != rack::settings::invertZoom)
+	{
+		window->internal->params.invertZoom = rack::settings::invertZoom;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterInvertZoom,
+			                                                    rack::settings::invertZoom);
+	}
+	if (window->internal->params.rateLimit != rack::settings::rateLimit)
+	{
+		window->internal->params.rateLimit = rack::settings::rateLimit;
+		if (window->internal->callback != nullptr)
+			window->internal->callback->WindowParametersChanged(kWindowParameterUpdateRateLimit,
+			                                                    rack::settings::rateLimit);
+	}
+}
+
+void WindowParametersRestore(rack::window::Window* const window)
+{
+	rack::settings::cableOpacity = window->internal->params.cableOpacity;
+	rack::settings::cableTension = window->internal->params.cableTension;
+	rack::settings::rackBrightness = window->internal->params.rackBrightness;
+	rack::settings::haloBrightness = window->internal->params.haloBrightness;
+	rack::settings::knobScrollSensitivity = window->internal->params.knobScrollSensitivity;
+	rack::settings::browserZoom = window->internal->params.browserZoom;
+	rack::settings::knobMode = static_cast<rack::settings::KnobMode>(window->internal->params.knobMode);
+	rack::settings::browserSort = static_cast<rack::settings::BrowserSort>(window->internal->params.browserSort);
+	rack::settings::tooltips = window->internal->params.tooltips;
+	rack::settings::knobScroll = window->internal->params.knobScroll;
+	rack::settings::lockModules = window->internal->params.lockModules;
+	rack::settings::squeezeModules = window->internal->params.squeezeModules;
+	rack::settings::invertZoom = window->internal->params.invertZoom;
+	rack::settings::rateLimit = window->internal->params.rateLimit;
+}
+
+void WindowParametersSetCallback(rack::window::Window* const window, WindowParametersCallback* const callback)
+{
+	window->internal->callback = callback;
+}
+
+void WindowParametersSetValues(rack::window::Window* const window, const WindowParameters& params)
+{
+	window->internal->params = params;
+}
+
+END_NAMESPACE_DISTRHO
+