Revert to using QGLWidget

interface/src/Application.cpp

@@ -62,7 +62,6 @@
 #include <EntityScriptingInterface.h>
 #include <ErrorDialog.h>
 #include <FramebufferCache.h>
-#include <GlWindow.h>
 #include <gpu/Batch.h>
 #include <gpu/Context.h>
 #include <gpu/GLBackend.h>
@@ -100,6 +99,7 @@
 
 #include "AudioClient.h"
 #include "DiscoverabilityManager.h"
+#include "GLCanvas.h"
 #include "InterfaceVersion.h"
 #include "LODManager.h"
 #include "Menu.h"
@@ -521,25 +521,13 @@ Application::Application(int& argc, char** argv, QElapsedTimer &startup_time) :
 
     ResourceCache::setRequestLimit(3);
 
-    _offscreenContext = new OffscreenGlCanvas();
-    _offscreenContext->create();
-    _offscreenContext->makeCurrent();
+    _glWidget = new GLCanvas();
+    _window->setCentralWidget(_glWidget);
 
-    _glWindow = new GlWindow(_offscreenContext->getContext());
-
-    QWidget* container = QWidget::createWindowContainer(_glWindow);
-    _window->setCentralWidget(container);
     _window->restoreGeometry();
-    _window->setVisible(true);
-    _window->setAttribute(Qt::WA_AcceptTouchEvents);
-    container->setFocusPolicy(Qt::StrongFocus);
-    container->setAttribute(Qt::WA_AcceptTouchEvents);
-    container->setFocus();
-    container->installEventFilter(DependencyManager::get<OffscreenUi>().data());
 
-    _offscreenContext->makeCurrent();
-    initializeGL();
-    // initialization continues in initializeGL when OpenGL context is ready
+    _glWidget->setFocusPolicy(Qt::StrongFocus);
+    _glWidget->setFocus();
 #ifdef Q_OS_MAC
     // OSX doesn't seem to provide for hiding the cursor only on the GL widget
     _window->setCursor(Qt::BlankCursor);
@@ -547,11 +535,20 @@ Application::Application(int& argc, char** argv, QElapsedTimer &startup_time) :
     // On windows and linux, hiding the top level cursor also means it's invisible
     // when hovering over the window menu, which is a pain, so only hide it for
     // the GL surface
-    container->setCursor(Qt::BlankCursor);
+    _glWidget->setCursor(Qt::BlankCursor);
 #endif
 
     // enable mouse tracking; otherwise, we only get drag events
-    container->setMouseTracking(true);
+    _glWidget->setMouseTracking(true);
+
+    _offscreenContext = new OffscreenGlCanvas();
+    _offscreenContext->create(_glWidget->context()->contextHandle());
+    _offscreenContext->makeCurrent();
+    initializeGL();
+
+    _window->setVisible(true);
+    _offscreenContext->makeCurrent();
+
 
     _toolWindow = new ToolWindow();
     _toolWindow->setWindowFlags(_toolWindow->windowFlags() | Qt::WindowStaysOnTopHint);
@@ -858,6 +855,7 @@ void Application::initializeUi() {
     offscreenUi->setBaseUrl(QUrl::fromLocalFile(PathUtils::resourcesPath() + "/qml/"));
     offscreenUi->load("Root.qml");
     offscreenUi->load("RootMenu.qml");
+    _glWidget->installEventFilter(offscreenUi.data());
     VrMenu::load();
     VrMenu::executeQueuedLambdas();
     offscreenUi->setMouseTranslator([=](const QPointF& pt) {
@@ -1284,53 +1282,6 @@ bool Application::eventFilter(QObject* object, QEvent* event) {
         }
     }
 
-    if (object == _glWindow) {
-        auto offscreenUi = DependencyManager::get<OffscreenUi>();
-        if (offscreenUi->eventFilter(object, event)) {
-            return true;
-        }
-        switch (event->type()) {
-        case QEvent::MouseMove:
-            mouseMoveEvent((QMouseEvent*)event);
-            return true;
-        case QEvent::MouseButtonPress:
-            mousePressEvent((QMouseEvent*)event);
-            return true;
-        case QEvent::MouseButtonDblClick:
-            mouseDoublePressEvent((QMouseEvent*)event);
-            return true;
-        case QEvent::MouseButtonRelease:
-            mouseReleaseEvent((QMouseEvent*)event);
-            return true;
-        case QEvent::KeyPress:
-            keyPressEvent((QKeyEvent*)event);
-            return true;
-        case QEvent::KeyRelease:
-            keyReleaseEvent((QKeyEvent*)event);
-            return true;
-        case QEvent::FocusOut:
-            focusOutEvent((QFocusEvent*)event);
-            return true;
-        case QEvent::TouchBegin:
-            touchBeginEvent(static_cast<QTouchEvent*>(event));
-            event->accept();
-            return true;
-        case QEvent::TouchEnd:
-            touchEndEvent(static_cast<QTouchEvent*>(event));
-            return true;
-        case QEvent::TouchUpdate:
-            touchUpdateEvent(static_cast<QTouchEvent*>(event));
-            return true;
-        case QEvent::Wheel:
-            wheelEvent(static_cast<QWheelEvent*>(event));
-            return true;
-        case QEvent::Drop:
-            dropEvent(static_cast<QDropEvent*>(event));
-            return true;
-        default:
-            break;
-        }
-    }
     return false;
 }
 
@@ -4682,7 +4633,7 @@ void Application::shutdownPlugins() {
 }
 
 glm::uvec2 Application::getCanvasSize() const {
-    return toGlm(_glWindow->size());
+    return glm::uvec2(_glWidget->width(), _glWidget->height());
 }
 
 glm::uvec2 Application::getUiSize() const {
@@ -4702,7 +4653,7 @@ bool Application::isThrottleRendering() const {
 }
 
 ivec2 Application::getTrueMouse() const {
-    return toGlm(_glWindow->mapFromGlobal(QCursor::pos()));
+    return toGlm(_glWidget->mapFromGlobal(QCursor::pos()));
 }
 
 bool Application::hasFocus() const {
@@ -4760,11 +4711,6 @@ void Application::updateDisplayMode() {
     auto offscreenUi = DependencyManager::get<OffscreenUi>();
     DisplayPluginPointer oldDisplayPlugin = _displayPlugin;
     if (oldDisplayPlugin != newDisplayPlugin) {
-        if (oldDisplayPlugin) {
-            oldDisplayPlugin->removeEventFilter(qApp);
-            oldDisplayPlugin->removeEventFilter(offscreenUi.data());
-        }
-
         if (!_currentDisplayPluginActions.isEmpty()) {
             auto menu = Menu::getInstance();
             foreach(auto itemInfo, _currentDisplayPluginActions) {
@@ -4776,16 +4722,7 @@ void Application::updateDisplayMode() {
         if (newDisplayPlugin) {
             _offscreenContext->makeCurrent();
             newDisplayPlugin->activate(this);
-
             _offscreenContext->makeCurrent();
-            newDisplayPlugin->installEventFilter(qApp);
-            newDisplayPlugin->installEventFilter(offscreenUi.data());
-            QWindow* pluginWindow = newDisplayPlugin->getWindow();
-            if (pluginWindow) {
-                DependencyManager::get<OffscreenUi>()->setProxyWindow(pluginWindow);
-            } else {
-                DependencyManager::get<OffscreenUi>()->setProxyWindow(nullptr);
-            }
             offscreenUi->resize(fromGlm(newDisplayPlugin->getRecommendedUiSize()));
             _offscreenContext->makeCurrent();
         }
@@ -4882,10 +4819,6 @@ void Application::setIsOptionChecked(const QString& path, bool checked) {
     Menu::getInstance()->setIsOptionChecked(path, checked);
 }
 
-GlWindow* Application::getVisibleWindow() {
-    return _glWindow;
-}
-
 mat4 Application::getEyeProjection(int eye) const {
     if (isHMDMode()) {
         return getActiveDisplayPlugin()->getProjection((Eye)eye, _viewFrustum.getProjection());
@@ -4941,3 +4874,12 @@ void Application::unsetFullscreen() {
     _window->setGeometry(_savedGeometry);
 #endif
 }
+
+
+void Application::showDisplayPluginsTools() {
+
+}
+
+QGLWidget* Application::getPrimarySurface() {
+    return _glWidget;
+}

interface/src/Application.h

@@ -84,7 +84,6 @@ class FaceTracker;
 class MainWindow;
 class Node;
 class ScriptEngine;
-class GlWindow;
 
 namespace gpu {
     class Context;
@@ -287,9 +286,10 @@ public:
     virtual void removeMenuItem(const QString& menuName, const QString& menuItem);
     virtual bool isOptionChecked(const QString& name);
     virtual void setIsOptionChecked(const QString& path, bool checked);
-    virtual GlWindow* getVisibleWindow();
     virtual void setFullscreen(const QScreen* target) override;
     virtual void unsetFullscreen() override;
+    virtual void showDisplayPluginsTools() override;
+    virtual QGLWidget* Application::getPrimarySurface() override;
 
 private:
     DisplayPlugin * getActiveDisplayPlugin();
@@ -639,7 +639,7 @@ private:
     QThread _settingsThread;
     QTimer _settingsTimer;
     
-    GlWindow* _glWindow{ nullptr };
+    GLCanvas* _glWidget{ nullptr };
 
     void checkSkeleton();
 

interface/src/GLCanvas.cpp

@@ -0,0 +1,172 @@
+//
+//  GLCanvas.cpp
+//  interface/src
+//
+//  Created by Stephen Birarda on 8/14/13.
+//  Copyright 2013 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include "Application.h"
+#include "GLCanvas.h"
+
+#include <QMimeData>
+#include <QUrl>
+#include <QWindow>
+
+#include "MainWindow.h"
+
+const int MSECS_PER_FRAME_WHEN_THROTTLED = 66;
+
+GLCanvas::GLCanvas() : QGLWidget(QGL::NoDepthBuffer | QGL::NoStencilBuffer),
+    _throttleRendering(false),
+    _idleRenderInterval(MSECS_PER_FRAME_WHEN_THROTTLED)
+{
+#ifdef Q_OS_LINUX
+    // Cause GLCanvas::eventFilter to be called.
+    // It wouldn't hurt to do this on Mac and PC too; but apparently it's only needed on linux.
+    qApp->installEventFilter(this);
+#endif
+}
+
+void GLCanvas::stopFrameTimer() {
+    _frameTimer.stop();
+}
+
+bool GLCanvas::isThrottleRendering() const {
+    return (_throttleRendering 
+        || (Application::getInstance()->getWindow()->isMinimized() && Application::getInstance()->isThrottleFPSEnabled()));
+}
+
+int GLCanvas::getDeviceWidth() const {
+    return width() * (windowHandle() ? (float)windowHandle()->devicePixelRatio() : 1.0f);
+}
+
+int GLCanvas::getDeviceHeight() const {
+    return height() * (windowHandle() ? (float)windowHandle()->devicePixelRatio() : 1.0f);
+}
+
+void GLCanvas::initializeGL() {
+    setAttribute(Qt::WA_AcceptTouchEvents);
+    setAcceptDrops(true);
+    connect(Application::getInstance(), SIGNAL(applicationStateChanged(Qt::ApplicationState)), this, SLOT(activeChanged(Qt::ApplicationState)));
+    connect(&_frameTimer, SIGNAL(timeout()), this, SLOT(throttleRender()));
+
+    // Note, we *DO NOT* want Qt to automatically swap buffers for us.  This results in the "ringing" bug mentioned in WL#19514 when we're throttling the framerate.
+    setAutoBufferSwap(false);
+}
+
+void GLCanvas::paintGL() {
+    PROFILE_RANGE(__FUNCTION__);
+    if (!_throttleRendering &&
+            (!Application::getInstance()->getWindow()->isMinimized() || !Application::getInstance()->isThrottleFPSEnabled())) {
+        Application::getInstance()->paintGL();
+    }
+}
+
+void GLCanvas::resizeGL(int width, int height) {
+    Application::getInstance()->resizeGL();
+}
+
+void GLCanvas::activeChanged(Qt::ApplicationState state) {
+    switch (state) {
+        case Qt::ApplicationActive:
+            // If we're active, stop the frame timer and the throttle.
+            _frameTimer.stop();
+            _throttleRendering = false;
+            break;
+
+        case Qt::ApplicationSuspended:
+        case Qt::ApplicationHidden:
+            // If we're hidden or are about to suspend, don't render anything.
+            _throttleRendering = false;
+            _frameTimer.stop();
+            break;
+
+        default:
+            // Otherwise, throttle.
+            if (!_throttleRendering && !Application::getInstance()->isAboutToQuit() 
+                && Application::getInstance()->isThrottleFPSEnabled()) {
+                _frameTimer.start(_idleRenderInterval);
+                _throttleRendering = true;
+            }
+            break;
+    }
+}
+
+void GLCanvas::throttleRender() {
+    _frameTimer.start(_idleRenderInterval);
+    if (!Application::getInstance()->getWindow()->isMinimized()) {
+        Application::getInstance()->paintGL();
+    }
+}
+
+int updateTime = 0;
+bool GLCanvas::event(QEvent* event) {
+    switch (event->type()) {
+        case QEvent::MouseMove:
+        case QEvent::MouseButtonPress:
+        case QEvent::MouseButtonRelease:
+        case QEvent::MouseButtonDblClick:
+        case QEvent::KeyPress:
+        case QEvent::KeyRelease:
+        case QEvent::FocusIn:
+        case QEvent::FocusOut:
+        case QEvent::Resize:
+        case QEvent::TouchBegin:
+        case QEvent::TouchEnd:
+        case QEvent::TouchUpdate:
+        case QEvent::Wheel:
+        case QEvent::DragEnter:
+        case QEvent::Drop:
+            if (QCoreApplication::sendEvent(QCoreApplication::instance(), event)) {
+                return true;
+            }
+            break;
+        case QEvent::Paint:
+            // Ignore paint events that occur after we've decided to quit
+            if (Application::getInstance()->isAboutToQuit()) {
+                return true;
+            }
+            break;
+
+        default:
+            break;
+    }
+    return QGLWidget::event(event);
+}
+
+
+// Pressing Alt (and Meta) key alone activates the menubar because its style inherits the
+// SHMenuBarAltKeyNavigation from QWindowsStyle. This makes it impossible for a scripts to
+// receive keyPress events for the Alt (and Meta) key in a reliable manner.
+//
+// This filter catches events before QMenuBar can steal the keyboard focus.
+// The idea was borrowed from
+// http://www.archivum.info/qt-interest@trolltech.com/2006-09/00053/Re-(Qt4)-Alt-key-focus-QMenuBar-(solved).html
+
+bool GLCanvas::eventFilter(QObject*, QEvent* event) {
+    switch (event->type()) {
+        case QEvent::KeyPress:
+        case QEvent::KeyRelease:
+        case QEvent::ShortcutOverride:
+        {
+            QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
+            if (keyEvent->key() == Qt::Key_Alt || keyEvent->key() == Qt::Key_Meta) {
+                if (event->type() == QEvent::KeyPress) {
+                    keyPressEvent(keyEvent);
+                } else if (event->type() == QEvent::KeyRelease) {
+                    keyReleaseEvent(keyEvent);
+                } else {
+                    QGLWidget::event(event);
+                }
+                return true;
+            }
+        }
+        default:
+            break;
+    }
+    return false;
+}

interface/src/GLCanvas.h

@@ -0,0 +1,55 @@
+//
+//  GLCanvas.h
+//  interface/src
+//
+//  Created by Stephen Birarda on 8/14/13.
+//  Copyright 2013 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_GLCanvas_h
+#define hifi_GLCanvas_h
+
+#include <QDebug>
+#include <QGLWidget>
+#include <QTimer>
+
+class QOpenGLContext;
+
+/// customized canvas that simply forwards requests/events to the singleton application
+class GLCanvas : public QGLWidget {
+    Q_OBJECT
+    
+public:
+    GLCanvas();
+
+    void stopFrameTimer();
+
+    bool isThrottleRendering() const;
+    
+    int getDeviceWidth() const;
+    int getDeviceHeight() const;
+    QSize getDeviceSize() const { return QSize(getDeviceWidth(), getDeviceHeight()); }
+    
+protected:
+
+    QTimer _frameTimer;
+    bool _throttleRendering;
+    int _idleRenderInterval;
+
+    virtual void initializeGL();
+    virtual void paintGL();
+    virtual void resizeGL(int width, int height);
+    virtual bool event(QEvent* event);
+
+private slots:
+    void activeChanged(Qt::ApplicationState state);
+    void throttleRender();
+    bool eventFilter(QObject*, QEvent* event);
+   
+};
+
+
+#endif // hifi_GLCanvas_h

libraries/display-plugins/src/display-plugins/Basic2DWindowOpenGLDisplayPlugin.cpp

@@ -34,49 +34,3 @@ void Basic2DWindowOpenGLDisplayPlugin::deactivate(PluginContainer* container) {
 //    container->removeMenu(MENU_PATH);
     MainWindowOpenGLDisplayPlugin::deactivate(container);
 }
-
-void Basic2DWindowOpenGLDisplayPlugin::setFullscreen(bool fullscreen) {
-    // The following code block is useful on platforms that can have a visible
-    // app menu in a fullscreen window.  However the OSX mechanism hides the
-    // application menu for fullscreen apps, so the check is not required.
-//#ifndef Q_OS_MAC
-//    if (fullscreen) {
-//        // Move menu to a QWidget floating above _glWidget so that show/hide doesn't adjust viewport.
-//        _menuBarHeight = Menu::getInstance()->height();
-//        Menu::getInstance()->setParent(_fullscreenMenuWidget);
-//        Menu::getInstance()->setFixedWidth(_window->windowHandle()->screen()->size().width());
-//        _fullscreenMenuWidget->show();
-//    }
-//    else {
-//        // Restore menu to being part of MainWindow.
-//        _fullscreenMenuWidget->hide();
-//        _window->setMenuBar(Menu::getInstance());
-//        _window->menuBar()->setMaximumHeight(QWIDGETSIZE_MAX);
-//    }
-//#endif
-
-    // Work around Qt bug that prevents floating menus being shown when in fullscreen mode.
-    // https://bugreports.qt.io/browse/QTBUG-41883
-    // Known issue: Top-level menu items don't highlight when cursor hovers. This is probably a side-effect of the work-around.
-    // TODO: Remove this work-around once the bug has been fixed and restore the following lines.
-    //_window->setWindowState(fullscreen ? (_window->windowState() | Qt::WindowFullScreen) :
-    //    (_window->windowState() & ~Qt::WindowFullScreen));
-    auto window = this->getWindow();
-    window->hide();
-    if (fullscreen) {
-        auto state = window->windowState() | Qt::WindowFullScreen;
-        window->setWindowState(Qt::WindowState((int)state));
-        // The next line produces the following warning in the log:
-        // [WARNING][03 / 06 12:17 : 58] QWidget::setMinimumSize: (/ MainWindow) Negative sizes
-        //   (0, -1) are not possible
-        // This is better than the alternative which is to have the window slightly less than fullscreen with a visible line
-        // of pixels for the remainder of the screen.
-        //window->setContentsMargins(0, 0, 0, -1);
-    }
-    else {
-        window->setWindowState(Qt::WindowState(window->windowState() & ~Qt::WindowFullScreen));
-        //window->setContentsMargins(0, 0, 0, 0);
-    }
-
-    window->show();
-}

libraries/display-plugins/src/display-plugins/Basic2DWindowOpenGLDisplayPlugin.h

@@ -18,9 +18,6 @@ public:
 
     virtual const QString & getName() const override;
 
-public slots:
-    void setFullscreen(bool fullscreen);
-
 private:
     static const QString NAME;
 };

libraries/display-plugins/src/display-plugins/DisplayPlugin.h

@@ -114,12 +114,11 @@ public:
     virtual void resetSensors() {}
     virtual float devicePixelRatio() { return 1.0;  }
 
+    //// The window for the surface, used for event interception.  May be null.
+    //virtual QWindow* getWindow() const = 0;
 
-    // The window for the surface, used for event interception.  May be null.
-    virtual QWindow* getWindow() const = 0;
-
-    virtual void installEventFilter(QObject* filter) {}
-    virtual void removeEventFilter(QObject* filter) {}
+    //virtual void installEventFilter(QObject* filter) {}
+    //virtual void removeEventFilter(QObject* filter) {}
 
 signals:
     void recommendedFramebufferSizeChanged(const QSize & size);

libraries/display-plugins/src/display-plugins/MainWindowOpenGLDisplayPlugin.cpp

@@ -7,23 +7,3 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 #include "MainWindowOpenGLDisplayPlugin.h"
-
-#include <QOpenGLContext>
-#include <QMainWindow>
-
-#include <GlWindow.h>
-#include <plugins/PluginContainer.h>
-
-MainWindowOpenGLDisplayPlugin::MainWindowOpenGLDisplayPlugin() {
-}
-
-GlWindow* MainWindowOpenGLDisplayPlugin::createWindow(PluginContainer * container) {
-    return container->getVisibleWindow();
-}
-
-void MainWindowOpenGLDisplayPlugin::customizeWindow(PluginContainer * container) {
-}
-
-void MainWindowOpenGLDisplayPlugin::destroyWindow() {
-    _window = nullptr;
-}

libraries/display-plugins/src/display-plugins/MainWindowOpenGLDisplayPlugin.h

@@ -10,12 +10,4 @@
 #include "WindowOpenGLDisplayPlugin.h"
 
 class MainWindowOpenGLDisplayPlugin : public WindowOpenGLDisplayPlugin {
-    Q_OBJECT
-public:
-    MainWindowOpenGLDisplayPlugin();
-
-protected:
-    virtual GlWindow* createWindow(PluginContainer * container) override final;
-    virtual void customizeWindow(PluginContainer * container) override final;
-    virtual void destroyWindow() override final;
 };

libraries/display-plugins/src/display-plugins/NullDisplayPlugin.cpp

@@ -23,10 +23,6 @@ bool NullDisplayPlugin::hasFocus() const {
     return false;
 }
 
-QWindow* NullDisplayPlugin::getWindow() const {
-    return nullptr;
-}
-
 void NullDisplayPlugin::preRender() {}
 void NullDisplayPlugin::preDisplay() {}
 void NullDisplayPlugin::display(GLuint sceneTexture, const glm::uvec2& sceneSize) {}

libraries/display-plugins/src/display-plugins/NullDisplayPlugin.h

@@ -20,7 +20,6 @@ public:
 
     virtual glm::uvec2 getRecommendedRenderSize() const override;
     virtual bool hasFocus() const override;
-    virtual QWindow* getWindow() const override;
     virtual void preRender() override;
     virtual void preDisplay() override;
     virtual void display(GLuint sceneTexture, const glm::uvec2& sceneSize) override;

libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.h

@@ -31,9 +31,6 @@ public:
     virtual void display(GLuint sceneTexture, const glm::uvec2& sceneSize) override;
 
 protected:
-
-    // Needs to be called by the activate method after the GL context has been created to 
-    // initialize OpenGL context settings needed by the plugin
     virtual void customizeContext(PluginContainer * container);
     virtual void drawUnitQuad();
     virtual void makeCurrent() = 0;

libraries/display-plugins/src/display-plugins/WindowOpenGLDisplayPlugin.cpp

@@ -7,9 +7,11 @@
 //
 #include "WindowOpenGLDisplayPlugin.h"
 
-#include <GlWindow.h>
+#include <QGLWidget>
 #include <QOpenGLContext>
 
+#include "plugins/PluginContainer.h"
+
 WindowOpenGLDisplayPlugin::WindowOpenGLDisplayPlugin() {
 }
 
@@ -30,55 +32,24 @@ glm::uvec2 WindowOpenGLDisplayPlugin::getRecommendedUiSize() const {
 }
 
 bool WindowOpenGLDisplayPlugin::hasFocus() const {
-    return _window ? _window->isActive() : false;
-}
-
-void WindowOpenGLDisplayPlugin::initSurfaceFormat(QSurfaceFormat& format) {
-    // Qt Quick may need a depth and stencil buffer. Always make sure these are available.
-    format.setDepthBufferSize(0);
-    format.setStencilBufferSize(0);
-    format.setVersion(4, 1);
-#ifdef DEBUG
-    format.setOption(QSurfaceFormat::DebugContext);
-#endif
-    format.setProfile(QSurfaceFormat::OpenGLContextProfile::CoreProfile);
+    return _window ? _window->hasFocus() : false;
 }
 
 void WindowOpenGLDisplayPlugin::activate(PluginContainer * container) {
     OpenGLDisplayPlugin::activate(container);
-    _window = createWindow(container);
-    customizeWindow(container);
-
+    _window = container->getPrimarySurface();
     _window->makeCurrent();
     customizeContext(container);
+    _window->doneCurrent();
 }
 
 void WindowOpenGLDisplayPlugin::deactivate(PluginContainer* container) {
     OpenGLDisplayPlugin::deactivate(container);
-    destroyWindow();
     _window = nullptr;
 }
 
-GlWindow* WindowOpenGLDisplayPlugin::createWindow(PluginContainer * container) {
-    GlWindow* result = new GlWindow(QOpenGLContext::currentContext());
-    QSurfaceFormat format;
-    initSurfaceFormat(format);
-    result->setFormat(format);
-    result->create();
-    result->installEventFilter(this);
-    return result;
-}
-
-void WindowOpenGLDisplayPlugin::destroyWindow() {
-    _window->deleteLater();
-}
-
-
 void WindowOpenGLDisplayPlugin::makeCurrent() {
-    bool makeCurrentResult = _window->makeCurrent();
-    if (!makeCurrentResult) {
-        qDebug() << "Failed to make current";
-    }
+    _window->makeCurrent();
 }
 
 void WindowOpenGLDisplayPlugin::doneCurrent() {
@@ -88,15 +59,15 @@ void WindowOpenGLDisplayPlugin::doneCurrent() {
 void WindowOpenGLDisplayPlugin::swapBuffers() {
     _window->swapBuffers();
 }
-
-void WindowOpenGLDisplayPlugin::installEventFilter(QObject* filter) {
-    _window->installEventFilter(filter);
-}
-
-void WindowOpenGLDisplayPlugin::removeEventFilter(QObject* filter) {
-    _window->removeEventFilter(filter);
-}
-
-QWindow* WindowOpenGLDisplayPlugin::getWindow() const {
-    return _window;
-}
+//
+//void WindowOpenGLDisplayPlugin::installEventFilter(QObject* filter) {
+//    _window->installEventFilter(filter);
+//}
+//
+//void WindowOpenGLDisplayPlugin::removeEventFilter(QObject* filter) {
+//    _window->removeEventFilter(filter);
+//}
+//
+//QWindow* WindowOpenGLDisplayPlugin::getWindow() const {
+//    return _window;
+//}

libraries/display-plugins/src/display-plugins/WindowOpenGLDisplayPlugin.h

@@ -9,33 +9,22 @@
 
 #include "OpenGLDisplayPlugin.h"
 
-class GlWindow;
-class QSurfaceFormat;
+class QGLWidget;
 
 class WindowOpenGLDisplayPlugin : public OpenGLDisplayPlugin {
-    Q_OBJECT
 public:
     WindowOpenGLDisplayPlugin();
-
     virtual glm::uvec2 getRecommendedRenderSize() const override;
     virtual glm::uvec2 getRecommendedUiSize() const override;
     virtual bool hasFocus() const override;
-    virtual QWindow* getWindow() const override;
     virtual void activate(PluginContainer * container) override;
     virtual void deactivate(PluginContainer* container) override;
-    virtual void installEventFilter(QObject* filter) override;
-    virtual void removeEventFilter(QObject* filter) override;
+    //virtual void installEventFilter(QObject* filter) override;
+    //virtual void removeEventFilter(QObject* filter) override;
 
 protected:
-    virtual GlWindow* createWindow(PluginContainer * container);
-    virtual void customizeWindow(PluginContainer * container) = 0;
-
-    virtual void destroyWindow();
-
     virtual void makeCurrent() override;
     virtual void doneCurrent() override;
     virtual void swapBuffers() override;
-    virtual void initSurfaceFormat(QSurfaceFormat& format);
-
-    GlWindow* _window{ nullptr };
+    QGLWidget* _window{ nullptr };
 };

libraries/plugins/src/plugins/PluginContainer.h

@@ -3,18 +3,36 @@
 #include <QString>
 #include <functional>
 
-class GlWindow;
+class QGLWidget;
 class QScreen;
 
 class PluginContainer {
 public:
+    //class Menu {
+    //    virtual void addMenu(const QString& menuName) = 0;
+    //    virtual void removeMenu(const QString& menuName) = 0;
+    //    virtual void addMenuItem(const QString& path, const QString& name, std::function<void(bool)> onClicked, bool checkable = false, bool checked = false, const QString& groupName = "") = 0;
+    //    virtual void removeMenuItem(const QString& menuName, const QString& menuItem) = 0;
+    //    virtual bool isOptionChecked(const QString& name) = 0;
+    //    virtual void setIsOptionChecked(const QString& path, bool checked) = 0;
+    //};
+    //virtual Menu* getMenu();
+    //class Surface {
+    //    virtual bool makeCurrent() = 0;
+    //    virtual void doneCurrent() = 0;
+    //    virtual void swapBuffers() = 0;
+    //    virtual void setFullscreen(const QScreen* targetScreen) = 0;
+    //    virtual void unsetFullscreen() = 0;
+    //};
+    //virtual Surface* getSurface();
     virtual void addMenu(const QString& menuName) = 0;
     virtual void removeMenu(const QString& menuName) = 0;
     virtual void addMenuItem(const QString& path, const QString& name, std::function<void(bool)> onClicked, bool checkable = false, bool checked = false, const QString& groupName = "") = 0;
     virtual void removeMenuItem(const QString& menuName, const QString& menuItem) = 0;
     virtual bool isOptionChecked(const QString& name) = 0;
     virtual void setIsOptionChecked(const QString& path, bool checked) = 0;
-    virtual GlWindow* getVisibleWindow() = 0;
     virtual void setFullscreen(const QScreen* targetScreen) = 0;
     virtual void unsetFullscreen() = 0;
+    virtual void showDisplayPluginsTools() = 0;
+    virtual QGLWidget* getPrimarySurface() = 0;
 };