upgrade to qt 6 compliance

CMakeLists.txt

@@ -94,7 +94,7 @@ find_package(OpenEXR REQUIRED)
 list(APPEND OLIVE_LIBRARIES ${OPENEXR_LIBRARIES})
 list(APPEND OLIVE_INCLUDE_DIRS ${OPENEXR_INCLUDES})
 
-# Link Qt 5
+# Link Qt
 set(QT_LIBRARIES
   Core
   Gui
@@ -102,25 +102,34 @@ set(QT_LIBRARIES
   OpenGL
   LinguistTools
   Concurrent
+  OpenGLWidgets
 )
 if (UNIX AND NOT APPLE)
   list(APPEND QT_LIBRARIES DBus)
 endif()
-find_package(Qt5 5.6 REQUIRED
+find_package(QT NAMES Qt6 REQUIRED
   COMPONENTS
     ${QT_LIBRARIES}
   OPTIONAL_COMPONENTS
     Network
 )
-if (NOT Qt5Network_FOUND)
+find_package(Qt${QT_VERSION_MAJOR} REQUIRED
-  message("   Qt5::Network module not found, crash reporting will be disabled.")
+  COMPONENTS
+    ${QT_LIBRARIES}
+  OPTIONAL_COMPONENTS
+    Network
+)
+message("Qt version: " ${QT_VERSION_MAJOR})
+if (NOT Qt${QT_VERSION_MAJOR}Network_FOUND)
+  message("   Qt${QT_VERSION_MAJOR}::Network module not found, crash reporting will be disabled.")
 endif()
 list(APPEND OLIVE_LIBRARIES
-  Qt5::Core
+  Qt${QT_VERSION_MAJOR}::Core
-  Qt5::Gui
+  Qt${QT_VERSION_MAJOR}::Gui
-  Qt5::Widgets
+  Qt${QT_VERSION_MAJOR}::Widgets
-  Qt5::OpenGL
+  Qt${QT_VERSION_MAJOR}::OpenGL
-  Qt5::Concurrent
+  Qt${QT_VERSION_MAJOR}::Concurrent
+  Qt${QT_VERSION_MAJOR}::OpenGLWidgets
 )
 
 # Link FFmpeg
@@ -186,7 +195,7 @@ if (WIN32)
 elseif (APPLE)
   list(APPEND OLIVE_LIBRARIES "-framework IOKit")
 elseif(UNIX)
-  list(APPEND OLIVE_LIBRARIES Qt5::DBus)
+  list(APPEND OLIVE_LIBRARIES Qt${QT_VERSION_MAJOR}::DBus)
 endif()
 
 # Generate Git hash

app/CMakeLists.txt

@@ -44,7 +44,7 @@ add_subdirectory(widget)
 add_subdirectory(window)
 
 # Add translations
-qt5_add_translation(OLIVE_QM_FILES ${OLIVE_TS_FILES})
+qt_add_translation(OLIVE_QM_FILES ${OLIVE_TS_FILES})
 
 set(QRC_BODY "")
 foreach(QM_FILE ${OLIVE_QM_FILES})
@@ -64,7 +64,7 @@ add_library(olive-version-obj
   version.cpp
   version.h
 )
-target_link_libraries(olive-version-obj PRIVATE Qt5::Core)
+target_link_libraries(olive-version-obj PRIVATE Qt${QT_VERSION_MAJOR}::Core)
 target_compile_options(olive-version-obj PRIVATE -DAPPVERSION="${PROJECT_VERSION}" -DAPPVERSIONLONG="${PROJECT_LONG_VERSION}" )
 
 # Add main library
@@ -142,6 +142,6 @@ target_include_directories(olive-editor PRIVATE ${OLIVE_INCLUDE_DIRS})
 target_include_directories(libolive-editor PRIVATE ${OLIVE_INCLUDE_DIRS})
 
 # Add crash handler
-if (GoogleCrashpad_FOUND AND Qt5Network_FOUND)
+if (GoogleCrashpad_FOUND AND Qt${QT_VERSION_MAJOR}Network_FOUND)
   add_subdirectory(crashhandler)
 endif()

app/common/html.cpp

@@ -12,22 +12,7 @@ const QVector<QString> Html::kBlockTags = {
   QStringLiteral("div")
 };
 
-inline bool StrEquals(const QString &a, const QStringRef &b)
+inline bool StrEquals(const QStringView &a, const QStringView &b)
-{
-  return !a.compare(b, Qt::CaseInsensitive);
-}
-
-inline bool StrEquals(const QString &a, const QString &b)
-{
-  return !a.compare(b, Qt::CaseInsensitive);
-}
-
-inline bool StrEquals(const QStringRef &a, const QString &b)
-{
-  return !a.compare(b, Qt::CaseInsensitive);
-}
-
-inline bool StrEquals(const QStringRef &a, const QStringRef &b)
 {
   return !a.compare(b, Qt::CaseInsensitive);
 }
@@ -421,7 +406,7 @@ QMap<QString, QStringList> Html::GetCSSFromStyle(const QString &s)
     // match. Also commas should be filtered out.
     QStringList values;
     const QString &val = kv.at(1);
-    QChar in_quote = 0;
+    QChar in_quote(0);
     QString current_str;
     for (int i=0; i<val.size(); i++) {
       const QChar &current_char = val.at(i);
@@ -429,7 +414,7 @@ QMap<QString, QStringList> Html::GetCSSFromStyle(const QString &s)
       if (!in_quote.isNull()) {
         // If inside quotes and character isn't quote, indiscriminately append char
         if (current_char == in_quote) {
-          in_quote = 0;
+          in_quote = QChar(0);
         } else {
           current_str.append(current_char);
         }

app/common/memorypool.h

@@ -25,7 +25,6 @@
 #include <QApplication>
 #include <QDateTime>
 #include <QDebug>
-#include <QLinkedList>
 #include <QMutex>
 #include <QTimer>
 #include <stdint.h>

app/common/ratiodialog.cpp

@@ -22,6 +22,7 @@
 
 #include <QCoreApplication>
 #include <QMessageBox>
+#include <QRegularExpression>
 
 namespace olive {
 
@@ -49,7 +50,7 @@ double GetFloatRatioFromUser(QWidget* parent,
       return qSNaN();
     }
 
-    QStringList ratio_components = s.split(QRegExp(QStringLiteral(":|;|\\/")));
+    QStringList ratio_components = s.split(QRegularExpression(QStringLiteral(":|;|\\/")));
 
     if (ratio_components.size() == 1) {
       bool float_ok;

app/common/timecodefunctions.cpp

@@ -24,6 +24,7 @@ extern "C" {
 #include <libavutil/mathematics.h>
 }
 
+#include <QRegularExpression>
 #include <QtMath>
 
 #include "config/config.h"
@@ -149,7 +150,7 @@ int64_t Timecode::timecode_to_timestamp(const QString &timecode, const rational
   case kTimecodeSeconds:
   {
     const int kTimecodeElementCount = 4;
-    QStringList timecode_split = timecode.split(QRegExp("(:)|(;)|(\\.)"));
+    QStringList timecode_split = timecode.split(QRegularExpression("(:)|(;)|(\\.)"));
 
     bool valid;
 

app/crashhandler/CMakeLists.txt

@@ -39,10 +39,10 @@ target_include_directories(
 target_link_libraries(
   olive-crashhandler
   PRIVATE
-  Qt5::Core
+  Qt${QT_VERSION_MAJOR}::Core
-  Qt5::Gui
+  Qt${QT_VERSION_MAJOR}::Gui
-  Qt5::Widgets
+  Qt${QT_VERSION_MAJOR}::Widgets
-  Qt5::Network
+  Qt${QT_VERSION_MAJOR}::Network
   ${CRASHPAD_LIBRARIES}
 )
 

app/dialog/about/about.cpp

@@ -44,10 +44,10 @@ AboutDialog::AboutDialog(bool welcome_dialog, QWidget *parent) :
   QFontMetrics fm = fontMetrics();
 
   QVBoxLayout* layout = new QVBoxLayout(this);
-  layout->setMargin(fm.height());
+  layout->setContentsMargins(fm.height(), fm.height(), fm.height(), fm.height());
 
   QHBoxLayout *horiz_layout = new QHBoxLayout();
-  horiz_layout->setMargin(fm.height());
+  horiz_layout->setContentsMargins(fm.height(), fm.height(), fm.height(), fm.height());
   horiz_layout->setSpacing(fm.height()*2);
 
   QLabel* icon = new QLabel(QStringLiteral("<html><img src=':/graphics/olive-splash.png'></html>"));
@@ -108,7 +108,7 @@ AboutDialog::AboutDialog(bool welcome_dialog, QWidget *parent) :
   layout->addWidget(new QLabel());
 
   QHBoxLayout *btn_layout = new QHBoxLayout();
-  btn_layout->setMargin(0);
+  btn_layout->setContentsMargins(0, 0, 0, 0);
   btn_layout->setSpacing(0);
 
   if (welcome_dialog) {

app/dialog/export/codec/cineformsection.cpp

@@ -30,7 +30,7 @@ CineformSection::CineformSection(QWidget *parent) :
 {
   QGridLayout *layout = new QGridLayout(this);
 
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   int row = 0;
 

app/dialog/export/codec/h264section.cpp

@@ -39,7 +39,7 @@ H264Section::H264Section(int default_crf, QWidget *parent) :
   CodecSection(parent)
 {
   QGridLayout* layout = new QGridLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   int row = 0;
   layout->addWidget(new QLabel(tr("Encode Speed:")), row, 0);
@@ -173,7 +173,7 @@ H264CRFSection::H264CRFSection(int default_crf, QWidget *parent) :
   QWidget(parent)
 {
   QHBoxLayout* layout = new QHBoxLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   crf_slider_ = new QSlider(Qt::Horizontal);
   crf_slider_->setMinimum(kMinimumCRF);
@@ -207,7 +207,7 @@ H264BitRateSection::H264BitRateSection(QWidget *parent) :
   QWidget(parent)
 {
   QGridLayout* layout = new QGridLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   int row = 0;
 
@@ -261,7 +261,7 @@ H264FileSizeSection::H264FileSizeSection(QWidget *parent) :
   QWidget(parent)
 {
   QGridLayout* layout = new QGridLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   int row = 0;
 

app/dialog/export/codec/imagesection.cpp

@@ -29,7 +29,7 @@ ImageSection::ImageSection(QWidget* parent) :
   CodecSection(parent)
 {
   QGridLayout* layout = new QGridLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   int row = 0;
 

app/dialog/export/export.cpp

@@ -58,7 +58,7 @@ ExportDialog::ExportDialog(ViewerOutput *viewer_node, bool stills_only_mode, QWi
 
   preferences_area_ = new QWidget();
   QGridLayout* preferences_layout = new QGridLayout(preferences_area_);
-  preferences_layout->setMargin(0);
+  preferences_layout->setContentsMargins(0, 0, 0, 0);
 
   int row = 0;
 
@@ -183,7 +183,7 @@ ExportDialog::ExportDialog(ViewerOutput *viewer_node, bool stills_only_mode, QWi
   row++;
 
   QHBoxLayout *btn_layout = new QHBoxLayout();
-  btn_layout->setMargin(0);
+  btn_layout->setContentsMargins(0, 0, 0, 0);
   preferences_layout->addLayout(btn_layout, row, 0, 1, 4);
 
   btn_layout->addStretch();
@@ -437,7 +437,7 @@ void ExportDialog::PresetComboBoxChanged()
   if (loading_presets_) {
     return;
   }
-  
+
   QComboBox *c = static_cast<QComboBox *>(sender());
 
   int preset_number = c->currentData().toInt();

app/dialog/footageproperties/streamproperties/videostreamproperties.cpp

@@ -38,7 +38,7 @@ VideoStreamProperties::VideoStreamProperties(Footage *footage, int video_index)
   video_premultiply_alpha_(nullptr)
 {
   QGridLayout* video_layout = new QGridLayout(this);
-  video_layout->setMargin(0);
+  video_layout->setContentsMargins(0, 0, 0, 0);
 
   int row = 0;
 

app/dialog/preferences/tabs/preferencesaudiotab.cpp

@@ -36,7 +36,7 @@ PreferencesAudioTab::PreferencesAudioTab()
   {
     // Backend Layout
     QGridLayout* main_layout = new QGridLayout();
-    main_layout->setMargin(0);
+    main_layout->setContentsMargins(0, 0, 0, 0);
 
     int row = 0;
 

app/dialog/progress/progress.cpp

@@ -55,7 +55,7 @@ ProgressDialog::ProgressDialog(const QString& message, const QString& title, QWi
 
   QHBoxLayout* cancel_layout = new QHBoxLayout();
   layout->addLayout(cancel_layout);
-  cancel_layout->setMargin(0);
+  cancel_layout->setContentsMargins(0, 0, 0, 0);
   cancel_layout->setSpacing(0);
   cancel_layout->addStretch();
 

app/dialog/sequence/sequencedialogpresettab.cpp

@@ -47,7 +47,7 @@ SequenceDialogPresetTab::SequenceDialogPresetTab(QWidget* parent) :
   PresetManager<SequencePreset>(this, QStringLiteral("sequencepresets"))
 {
   QVBoxLayout* outer_layout = new QVBoxLayout(this);
-  outer_layout->setMargin(0);
+  outer_layout->setContentsMargins(0, 0, 0, 0);
 
   preset_tree_ = new QTreeWidget();
   preset_tree_->setColumnCount(1);

app/dialog/task/task.cpp

@@ -56,7 +56,7 @@ void TaskDialog::showEvent(QShowEvent *e)
             this, &TaskDialog::TaskFinished, Qt::QueuedConnection);
 
     // Run task in another thread with QtConcurrent
-    task_watcher->setFuture(QtConcurrent::run(task_, &Task::Start));
+    task_watcher->setFuture(QtConcurrent::run(&Task::Start, task_));
 
     already_shown_ = true;
   }

app/node/distort/transform/transformdistortnode.cpp

@@ -297,7 +297,7 @@ QMatrix4x4 TransformDistortNode::AdjustMatrixByResolutions(const QMatrix4x4 &mat
   adjusted_matrix.scale(2.0 / sequence_res.x(), 2.0 / sequence_res.y(), 1.0);
 
   // Apply offset if applicable
-  adjusted_matrix.translate(offset);
+  adjusted_matrix.translate(offset.x(), offset.y());
 
   // Adjust by the matrix we generated earlier
   adjusted_matrix *= mat;
@@ -358,7 +358,7 @@ void TransformDistortNode::UpdateGizmoPositions(const NodeValueRow &row, const N
 
   // Fold values into a matrix for the rectangle
   QMatrix4x4 rectangle_matrix;
-  rectangle_matrix.scale(sequence_half_res);
+  rectangle_matrix.scale(sequence_half_res.x(), sequence_half_res.y());
   rectangle_matrix *= AdjustMatrixByResolutions(GenerateMatrix(row, false, false, false, row[kParentInput].toMatrix()),
                                                 sequence_res,
                                                 tex_sz,
@@ -378,7 +378,7 @@ void TransformDistortNode::UpdateGizmoPositions(const NodeValueRow &row, const N
 
   // Draw anchor point
   QMatrix4x4 anchor_matrix;
-  anchor_matrix.scale(sequence_half_res);
+  anchor_matrix.scale(sequence_half_res.x(), sequence_half_res.y());
   anchor_matrix *= AdjustMatrixByResolutions(GenerateMatrix(row, true, false, false, row[kParentInput].toMatrix()),
                                              sequence_res,
                                              tex_sz,

app/node/generator/matrix/matrix.cpp

@@ -128,7 +128,7 @@ QMatrix4x4 MatrixGenerator::GenerateMatrix(const QVector2D& pos,
                                            QMatrix4x4 mat)
 {
   // Position
-  mat.translate(pos);
+  mat.translate(pos.x(), pos.y());
 
   // Rotation
   mat.rotate(rot, 0, 0, 1);
@@ -143,7 +143,7 @@ QMatrix4x4 MatrixGenerator::GenerateMatrix(const QVector2D& pos,
   mat.scale(full_scale);
 
   // Anchor Point
-  mat.translate(-anchor);
+  mat.translate(-anchor.x(), -anchor.y());
 
   return mat;
 }

app/node/math/math/mathbase.cpp

@@ -141,9 +141,9 @@ QVector4D MathNodeBase::RetrieveVector(const NodeValue &val)
   // QVariant doesn't know that QVector*D can convert themselves so we do it here
   switch (val.type()) {
   case NodeValue::kVec2:
-    return val.toVec2();
+    return QVector4D(val.toVec2());
   case NodeValue::kVec3:
-    return val.toVec3();
+    return QVector4D(val.toVec3());
   case NodeValue::kVec4:
   default:
     return val.toVec4();

app/node/project/serializer/serializer220403.cpp

@@ -570,13 +570,13 @@ void ProjectSerializer220403::LoadNode(Node *node, XMLNodeData &xml_node_data, Q
     } else if (reader->name() == QStringLiteral("caches")) {
       while (XMLReadNextStartElement(reader)) {
         if (reader->name() == QStringLiteral("audio")) {
-          node->audio_playback_cache()->SetUuid(reader->readElementText());
+          node->audio_playback_cache()->SetUuid(QUuid::fromString(reader->readElementText()));
         } else if (reader->name() == QStringLiteral("video")) {
-          node->video_frame_cache()->SetUuid(reader->readElementText());
+          node->video_frame_cache()->SetUuid(QUuid::fromString(reader->readElementText()));
         } else if (reader->name() == QStringLiteral("thumb")) {
-          node->thumbnail_cache()->SetUuid(reader->readElementText());
+          node->thumbnail_cache()->SetUuid(QUuid::fromString(reader->readElementText()));
         } else if (reader->name() == QStringLiteral("waveform")) {
-          node->waveform_cache()->SetUuid(reader->readElementText());
+          node->waveform_cache()->SetUuid(QUuid::fromString(reader->readElementText()));
         } else {
           reader->skipCurrentElement();
         }

app/panel/project/project.cpp

@@ -40,7 +40,7 @@ ProjectPanel::ProjectPanel(QWidget *parent) :
   // Create main widget and its layout
   QWidget* central_widget = new QWidget(this);
   QVBoxLayout* layout = new QVBoxLayout(central_widget);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   SetWidgetWithPadding(central_widget);
 

app/panel/scope/scope.cpp

@@ -36,7 +36,7 @@ ScopePanel::ScopePanel(QWidget* parent) :
   QVBoxLayout* layout = new QVBoxLayout(central);
 
   QHBoxLayout* toolbar_layout = new QHBoxLayout();
-  toolbar_layout->setMargin(0);
+  toolbar_layout->setContentsMargins(0, 0, 0, 0);
 
   scope_type_combobox_ = new QComboBox();
 

app/panel/timebased/timebased.cpp

@@ -29,6 +29,11 @@ TimeBasedPanel::TimeBasedPanel(const QString &object_name, QWidget *parent) :
 {
 }
 
+TimeBasedPanel::~TimeBasedPanel()
+{
+  delete widget_;
+}
+
 rational TimeBasedPanel::GetTime()
 {
   return widget_->GetTime();

app/panel/timebased/timebased.h

@@ -32,6 +32,8 @@ class TimeBasedPanel : public PanelWidget
 public:
   TimeBasedPanel(const QString& object_name, QWidget *parent = nullptr);
 
+  virtual ~TimeBasedPanel() override;
+
   void ConnectViewerNode(ViewerOutput *node);
 
   void DisconnectViewerNode()

app/render/texture.h

@@ -22,6 +22,7 @@
 #define RENDERTEXTURE_H
 
 #include <memory>
+#include <QVariant>
 
 #include "render/videoparams.h"
 

app/task/project/import/import.cpp

@@ -35,7 +35,7 @@ ProjectImportTask::ProjectImportTask(Folder *folder, const QStringList &filename
   folder_(folder)
 {
   foreach (const QString& f, filenames) {
-    filenames_.append(f);
+    filenames_.append(QFileInfo(f));
   }
 
   file_count_ = Core::CountFilesInFileList(filenames_);

app/task/taskmanager.cpp

@@ -93,7 +93,7 @@ void TaskManager::AddTask(Task* t)
   tasks_.insert(watcher, t);
 
   // Run task concurrently
-  watcher->setFuture(QtConcurrent::run(t, &Task::Start));
+  watcher->setFuture(QtConcurrent::run(&Task::Start, t));
 
   // Emit signal that a Task was added
   emit TaskAdded(t);

app/ui/style/style.cpp

@@ -36,7 +36,6 @@ namespace olive {
 const char* StyleManager::kDefaultStyle = "olive-dark";
 QString StyleManager::current_style_;
 QMap<QString, QString> StyleManager::available_themes_;
-QPalette StyleManager::platform_palette_;
 
 QPalette StyleManager::ParsePalette(const QString& ini_path)
 {
@@ -127,10 +126,6 @@ void StyleManager::ParsePaletteColor(QSettings *ini, QPalette *palette, QPalette
 
 void StyleManager::Init()
 {
-  // Store standard palette before replacing it with our own
-  platform_palette_ = qApp->palette();
-  platform_palette_.resolve(-1);
-
   qApp->setStyle(QStyleFactory::create("Fusion"));
 
   available_themes_.insert(QStringLiteral("olive-dark"), QStringLiteral("Olive Dark"));

app/ui/style/style.h

@@ -54,8 +54,6 @@ private:
 
   static QMap<QString, QString> available_themes_;
 
-  static QPalette platform_palette_;
-
 };
 
 }

app/widget/colorwheel/colorvalueswidget.cpp

@@ -44,7 +44,7 @@ ColorValuesWidget::ColorValuesWidget(ColorManager *manager, QWidget *parent) :
   {
     QHBoxLayout* preview_layout = new QHBoxLayout();
 
-    preview_layout->setMargin(0);
+    preview_layout->setContentsMargins(0, 0, 0, 0);
 
     preview_layout->addWidget(new QLabel(tr("Preview")));
 

app/widget/curvewidget/curvewidget.cpp

@@ -53,7 +53,7 @@ CurveWidget::CurveWidget(QWidget *parent) :
 
   QWidget* workarea = new QWidget();
   QVBoxLayout* layout = new QVBoxLayout(workarea);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
   splitter->addWidget(workarea);
 
   QHBoxLayout* top_controls = new QHBoxLayout();
@@ -86,7 +86,7 @@ CurveWidget::CurveWidget(QWidget *parent) :
 
   // We use a separate layout for the ruler+view combination so that there's no spacing between them
   QVBoxLayout* ruler_view_layout = new QVBoxLayout();
-  ruler_view_layout->setMargin(0);
+  ruler_view_layout->setContentsMargins(0, 0, 0, 0);
   ruler_view_layout->setSpacing(0);
 
   ruler_view_layout->addWidget(ruler());

app/widget/filefield/filefield.cpp

@@ -34,7 +34,7 @@ FileField::FileField(QWidget* parent) :
 {
   QHBoxLayout* layout = new QHBoxLayout(this);
 
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   line_edit_ = new QLineEdit();
   connect(line_edit_, &QLineEdit::textChanged, this, &FileField::LineEditChanged);

app/widget/flowlayout/flowlayout.cpp

@@ -146,7 +146,7 @@ QSize FlowLayout::minimumSize() const
     foreach (item, itemList)
         size = size.expandedTo(item->minimumSize());
 
-    size += QSize(2*margin(), 2*margin());
+    size += QSize(2*contentsMargins().left(), 2*contentsMargins().top());
     return size;
 }
 

app/widget/manageddisplay/manageddisplay.cpp

@@ -38,7 +38,7 @@ ManagedDisplayWidget::ManagedDisplayWidget(QWidget *parent) :
 {
   QHBoxLayout* layout = new QHBoxLayout(this);
   layout->setSpacing(0);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   if (RenderManager::instance()->backend() == RenderManager::kOpenGL) {
     // Create OpenGL widget
@@ -312,11 +312,11 @@ bool ManagedDisplayWidget::eventFilter(QObject *o, QEvent *e)
   {
     // HACK: QWindows don't seem to receive ContextMenu events on right click (only when pressing
     //       the menu button on the keyboard) so we handle it manually here
-    QMouseEvent *ev = static_cast<QMouseEvent*>(e);
+    /*QMouseEvent *ev = static_cast<QMouseEvent*>(e);
     if (ev->button() == Qt::RightButton) {
       emit customContextMenuRequested(ev->pos());
       return true;
-    }
+    }*/
     break;
   }
   default:

app/widget/manageddisplay/manageddisplay.h

@@ -48,6 +48,15 @@ class ManagedDisplayWidgetOpenGL
 public:
   ManagedDisplayWidgetOpenGL() = default;
 
+  virtual ~ManagedDisplayWidgetOpenGL() override
+  {
+    if (context()) {
+      DestroyListener();
+      disconnect(context(), &QOpenGLContext::aboutToBeDestroyed,
+                 this, &ManagedDisplayWidgetOpenGL::DestroyListener);
+    }
+  }
+
 signals:
   // Render signals
   void OnInit();

app/widget/menu/menushared.cpp

@@ -20,6 +20,8 @@
 
 #include "menushared.h"
 
+#include <QActionGroup>
+
 #include "core.h"
 #include "common/timecodefunctions.h"
 #include "panel/panelmanager.h"

app/widget/nodeparamview/nodeparamview.cpp

@@ -46,7 +46,7 @@ NodeParamView::NodeParamView(bool create_keyframe_view, QWidget *parent) :
   // Create horizontal layout to place scroll area in (and keyframe editing eventually)
   QHBoxLayout* layout = new QHBoxLayout(this);
   layout->setSpacing(0);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   QSplitter* splitter = new QSplitter(Qt::Horizontal);
   layout->addWidget(splitter);
@@ -113,7 +113,7 @@ NodeParamView::NodeParamView(bool create_keyframe_view, QWidget *parent) :
     QWidget* keyframe_area = new QWidget();
     QVBoxLayout* keyframe_area_layout = new QVBoxLayout(keyframe_area);
     keyframe_area_layout->setSpacing(0);
-    keyframe_area_layout->setMargin(0);
+    keyframe_area_layout->setContentsMargins(0, 0, 0, 0);
 
     // Create ruler object
     keyframe_area_layout->addWidget(ruler());

app/widget/nodeparamview/nodeparamviewconnectedlabel.cpp

@@ -37,7 +37,7 @@ NodeParamViewConnectedLabel::NodeParamViewConnectedLabel(const NodeInput &input,
   connected_node_(nullptr)
 {
   QVBoxLayout *layout = new QVBoxLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   QSizePolicy p = sizePolicy();
   p.setHorizontalStretch(1);
@@ -47,7 +47,7 @@ NodeParamViewConnectedLabel::NodeParamViewConnectedLabel(const NodeInput &input,
   // Set up label area
   QHBoxLayout *label_layout = new QHBoxLayout();
   label_layout->setSpacing(QtUtils::QFontMetricsWidth(fontMetrics(), QStringLiteral(" ")));
-  label_layout->setMargin(0);
+  label_layout->setContentsMargins(0, 0, 0, 0);
   layout->addLayout(label_layout);
 
   CollapseButton *collapse_btn = new CollapseButton(this);

app/widget/nodeparamview/nodeparamviewkeyframecontrol.cpp

@@ -33,7 +33,7 @@ NodeParamViewKeyframeControl::NodeParamViewKeyframeControl(bool right_align, QWi
   QWidget(parent)
 {
   QHBoxLayout* layout = new QHBoxLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
   layout->setSpacing(0);
 
   if (right_align) {

app/widget/nodeparamview/nodeparamviewtextedit.cpp

@@ -31,7 +31,7 @@ NodeParamViewTextEdit::NodeParamViewTextEdit(QWidget *parent) :
   QWidget(parent)
 {
   QHBoxLayout* layout = new QHBoxLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   line_edit_ = new QPlainTextEdit();
   line_edit_->setUndoRedoEnabled(true);

app/widget/nodeparamview/nodeparamviewwidgetbridge.cpp

@@ -567,7 +567,7 @@ void NodeParamViewWidgetBridge::SetProperty(const QString &key, const QVariant &
       }
     } else { // set specific track/widget
       bool ok;
-      int element = key.midRef(7).toInt(&ok);
+      int element = key.mid(7).toInt(&ok);
       int tracks = NodeValue::get_number_of_keyframe_tracks(data_type);
 
       if (ok && element >= 0 && element < tracks) {
@@ -686,7 +686,7 @@ void NodeParamViewWidgetBridge::SetProperty(const QString &key, const QVariant &
         }
       } else {
         bool ok;
-        int element = key.midRef(5).toInt(&ok);
+        int element = key.mid(5).toInt(&ok);
         if (ok && element >= 0 && element < tracks) {
           static_cast<SliderBase*>(widgets_.at(element))->SetColor(c);
         }

app/widget/nodetableview/nodetablewidget.cpp

@@ -29,7 +29,7 @@ NodeTableWidget::NodeTableWidget(QWidget* parent) :
 {
   QVBoxLayout* layout = new QVBoxLayout(this);
   layout->setSpacing(0);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   view_ = new NodeTableView();
   layout->addWidget(view_);

app/widget/nodeview/nodeviewtoolbar.cpp

@@ -13,7 +13,7 @@ NodeViewToolBar::NodeViewToolBar(QWidget *parent) :
   QWidget(parent)
 {
   QHBoxLayout *layout = new QHBoxLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   add_node_btn_ = new QPushButton();
   connect(add_node_btn_, &QPushButton::clicked, this, &NodeViewToolBar::AddNodeClicked);

app/widget/nodeview/nodewidget.cpp

@@ -28,7 +28,7 @@ NodeWidget::NodeWidget(QWidget *parent) :
   QWidget(parent)
 {
   QVBoxLayout *outer_layout = new QVBoxLayout(this);
-  outer_layout->setMargin(0);
+  outer_layout->setContentsMargins(0, 0, 0, 0);
 
   toolbar_ = new NodeViewToolBar();
   outer_layout->addWidget(toolbar_);

app/widget/panel/panel.cpp

@@ -158,7 +158,7 @@ void PanelWidget::SetWidgetWithPadding(QWidget *widget)
 {
   QWidget* wrapper = new QWidget();
   QHBoxLayout* layout = new QHBoxLayout(wrapper);
-  layout->setMargin(layout->margin() / 2);
+  layout->setContentsMargins(layout->contentsMargins() / 2);
   layout->addWidget(widget);
   setWidget(wrapper);
 }

app/widget/path/pathwidget.cpp

@@ -32,7 +32,7 @@ PathWidget::PathWidget(const QString &path, QWidget *parent) :
   QWidget(parent)
 {
   QHBoxLayout* layout = new QHBoxLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   path_edit_ = new QLineEdit();
   path_edit_->setText(path);

app/widget/pixelsampler/pixelsampler.cpp

@@ -68,7 +68,7 @@ ManagedPixelSamplerWidget::ManagedPixelSamplerWidget(QWidget *parent) :
   QWidget(parent)
 {
   QVBoxLayout* layout = new QVBoxLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   display_view_ = new PixelSamplerWidget();
   display_view_->setTitle(tr("Display"));

app/widget/playbackcontrols/playbackcontrols.cpp

@@ -37,7 +37,7 @@ PlaybackControls::PlaybackControls(QWidget *parent) :
   // Create lower controls
   QHBoxLayout* lower_control_layout = new QHBoxLayout(this);
   lower_control_layout->setSpacing(0);
-  lower_control_layout->setMargin(0);
+  lower_control_layout->setContentsMargins(0, 0, 0, 0);
 
   QSizePolicy lower_container_size_policy(QSizePolicy::Maximum, QSizePolicy::Expanding);
   lower_container_size_policy.setHorizontalStretch(1);
@@ -51,7 +51,7 @@ PlaybackControls::PlaybackControls(QWidget *parent) :
 
   QHBoxLayout* lower_left_layout = new QHBoxLayout(lower_left_container_);
   lower_left_layout->setSpacing(0);
-  lower_left_layout->setMargin(0);
+  lower_left_layout->setContentsMargins(0, 0, 0, 0);
 
   cur_tc_lbl_ = new RationalSlider();
   cur_tc_lbl_->SetDisplayType(RationalSlider::kTime);
@@ -73,7 +73,7 @@ PlaybackControls::PlaybackControls(QWidget *parent) :
 
   QHBoxLayout* lower_middle_layout = new QHBoxLayout(lower_middle_container);
   lower_middle_layout->setSpacing(0);
-  lower_middle_layout->setMargin(0);
+  lower_middle_layout->setContentsMargins(0, 0, 0, 0);
   lower_middle_layout->addStretch();
 
   QSizePolicy btn_sz_policy(QSizePolicy::Maximum, QSizePolicy::Preferred);
@@ -124,7 +124,7 @@ PlaybackControls::PlaybackControls(QWidget *parent) :
   av_btn_widget->setSizePolicy(lower_container_size_policy);
   QHBoxLayout* av_btn_layout = new QHBoxLayout(av_btn_widget);
   av_btn_layout->setSpacing(0);
-  av_btn_layout->setMargin(0);
+  av_btn_layout->setContentsMargins(0, 0, 0, 0);
   video_drag_btn_ = new DragButton();
   connect(video_drag_btn_, &QPushButton::clicked, this, &PlaybackControls::VideoClicked);
   connect(video_drag_btn_, &DragButton::MousePressed, this, &PlaybackControls::VideoPressed);
@@ -143,7 +143,7 @@ PlaybackControls::PlaybackControls(QWidget *parent) :
 
   QHBoxLayout* lower_right_layout = new QHBoxLayout(lower_right_container_);
   lower_right_layout->setSpacing(0);
-  lower_right_layout->setMargin(0);
+  lower_right_layout->setContentsMargins(0, 0, 0, 0);
 
   lower_right_layout->addStretch();
   end_tc_lbl_ = new QLabel();

app/widget/projectexplorer/projectexplorer.cpp

@@ -53,7 +53,7 @@ ProjectExplorer::ProjectExplorer(QWidget *parent) :
   // Create layout
   QVBoxLayout* layout = new QVBoxLayout(this);
   layout->setSpacing(0);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   // Set up navigation bar
   nav_bar_ = new ProjectExplorerNavigation(this);

app/widget/projectexplorer/projectexplorernavigation.cpp

@@ -33,7 +33,7 @@ ProjectExplorerNavigation::ProjectExplorerNavigation(QWidget *parent) :
 {
   // Create widget layout
   QHBoxLayout* layout = new QHBoxLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   // Create "directory up" button
   dir_up_btn_ = new QPushButton(this);

app/widget/projecttoolbar/projecttoolbar.cpp

@@ -33,7 +33,7 @@ ProjectToolbar::ProjectToolbar(QWidget *parent) :
 {
   QHBoxLayout* layout = new QHBoxLayout(this);
   layout->setSpacing(0);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   new_button_ = new QPushButton();
   connect(new_button_, &QPushButton::clicked, this, &ProjectToolbar::NewClicked);

app/widget/slider/base/sliderbase.cpp

@@ -103,14 +103,26 @@ void SliderBase::changeEvent(QEvent *e)
   super::changeEvent(e);
 }
 
+bool SliderBase::GetLabelSubstitution(const QVariant &v, QString *out) const
+{
+  for (auto it=label_substitutions_.constBegin(); it!=label_substitutions_.constEnd(); it++) {
+    if (it->first == v) {
+      *out = it->second;
+      return true;
+    }
+  }
+
+  return false;
+}
+
 void SliderBase::UpdateLabel()
 {
   QString s;
 
   if (tristate_) {
     s = tr("---");
-  } else if (label_substitutions_.contains(GetValueInternal())) {
+  } else if (GetLabelSubstitution(GetValueInternal(), &s)) {
-    s = label_substitutions_.value(GetValueInternal());
+    // String will already be set, just pass through
   } else {
     s = GetFormattedValueToString();
   }

app/widget/slider/base/sliderbase.h

@@ -51,7 +51,7 @@ public:
 
   void InsertLabelSubstitution(const QVariant &value, const QString &label)
   {
-    label_substitutions_.insert(value, label);
+    label_substitutions_.append({value, label});
     UpdateLabel();
   }
 
@@ -90,6 +90,8 @@ protected:
   virtual void changeEvent(QEvent* e) override;
 
 private:
+  bool GetLabelSubstitution(const QVariant &v, QString *out) const;
+
   SliderLabel* label_;
 
   FocusableLineEdit* editor_;
@@ -103,7 +105,7 @@ private:
 
   bool format_plural_;
 
-  QMap<QVariant, QString> label_substitutions_;
+  QVector<QPair<QVariant, QString> > label_substitutions_;
 
 private slots:
   void LineEditConfirmed();

app/widget/slider/base/sliderladder.cpp

@@ -42,7 +42,7 @@ SliderLadder::SliderLadder(double drag_multiplier, int nb_outer_values, QString
   QFrame(parent, Qt::Popup)
 {
   QVBoxLayout* layout = new QVBoxLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
   layout->setSpacing(0);
 
   setFrameShape(QFrame::Box);

app/widget/standardcombos/frameratecombobox.h

@@ -43,7 +43,7 @@ public:
 
     QHBoxLayout* layout = new QHBoxLayout(this);
     layout->setSpacing(0);
-    layout->setMargin(0);
+    layout->setContentsMargins(0, 0, 0, 0);
     layout->addWidget(inner_);
 
     RepopulateList();

app/widget/taskview/elapsedcounterwidget.cpp

@@ -34,7 +34,7 @@ ElapsedCounterWidget::ElapsedCounterWidget(QWidget* parent) :
 {
   QHBoxLayout* layout = new QHBoxLayout(this);
   layout->setSpacing(layout->spacing() * 8);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   elapsed_lbl_ = new QLabel();
   layout->addWidget(elapsed_lbl_);

app/widget/taskview/taskview.cpp

@@ -37,7 +37,7 @@ TaskView::TaskView(QWidget* parent) :
   // Create layout for central widget
   layout_ = new QVBoxLayout(central_widget_);
   layout_->setSpacing(0);
-  layout_->setMargin(0);
+  layout_->setContentsMargins(0, 0, 0, 0);
 
   // Add a "stretch" so that TaskViewItems don't try to expand all the way to the bottom
   layout_->addStretch();

app/widget/timelinewidget/timelineandtrackview.cpp

@@ -30,7 +30,7 @@ TimelineAndTrackView::TimelineAndTrackView(Qt::Alignment vertical_alignment, QWi
 {
   QHBoxLayout* layout = new QHBoxLayout(this);
   layout->setSpacing(0);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   splitter_ = new QSplitter(Qt::Horizontal);
   splitter_->setChildrenCollapsible(false);

app/widget/timelinewidget/timelinewidget.cpp

@@ -73,7 +73,7 @@ TimelineWidget::TimelineWidget(QWidget *parent) :
 {
   QVBoxLayout* vert_layout = new QVBoxLayout(this);
   vert_layout->setSpacing(0);
-  vert_layout->setMargin(0);
+  vert_layout->setContentsMargins(0, 0, 0, 0);
 
   QHBoxLayout* ruler_and_time_layout = new QHBoxLayout();
   vert_layout->addLayout(ruler_and_time_layout);

app/widget/timelinewidget/trackview/trackview.cpp

@@ -42,7 +42,7 @@ TrackView::TrackView(Qt::Alignment vertical_alignment, QWidget *parent) :
   setWidgetResizable(true);
 
   QVBoxLayout* layout = new QVBoxLayout(central);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
   layout->setSpacing(0);
 
   if (alignment_ == Qt::AlignBottom) {

app/widget/timelinewidget/trackview/trackviewitem.cpp

@@ -40,7 +40,7 @@ TrackViewItem::TrackViewItem(Track* track, QWidget *parent) :
 {
   QHBoxLayout* layout = new QHBoxLayout(this);
   layout->setSpacing(0);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   stack_ = new QStackedWidget();
   layout->addWidget(stack_);

app/widget/toolbar/toolbar.cpp

@@ -38,7 +38,7 @@ Toolbar::Toolbar(QWidget *parent) :
   super(parent)
 {
   layout_ = new FlowLayout(this);
-  layout_->setMargin(0);
+  layout_->setContentsMargins(0, 0, 0, 0);
 
   // Create standard tool buttons
   btn_pointer_tool_ = CreateToolButton(Tool::kPointer);

app/widget/viewer/viewer.cpp

@@ -82,7 +82,7 @@ ViewerWidget::ViewerWidget(ViewerDisplayWidget *display, QWidget *parent) :
 {
   // Set up main layout
   QVBoxLayout* layout = new QVBoxLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
 
   // Create main OpenGL-based view and sizer
   sizer_ = new ViewerSizer();
@@ -166,6 +166,9 @@ ViewerWidget::~ViewerWidget()
   foreach (ViewerWindow* window, windows) {
     delete window;
   }
+
+  delete display_widget_;
+  display_widget_ = nullptr;
 }
 
 void ViewerWidget::TimeChangedEvent(const rational &time)
@@ -1146,7 +1149,7 @@ RenderTicketPtr ViewerWidget::GetFrame(const rational &t)
     // Frame has been cached, grab the frame
     RenderTicketPtr ticket = std::make_shared<RenderTicket>();
     ticket->setProperty("time", QVariant::fromValue(t));
-    QtConcurrent::run(ViewerWidget::DecodeCachedImage, ticket, GetConnectedNode()->video_frame_cache()->GetCacheDirectory(), GetConnectedNode()->video_frame_cache()->GetUuid(), Timecode::time_to_timestamp(t, timebase(), Timecode::kFloor));
+    QtConcurrent::run(static_cast<void(*)(RenderTicketPtr, const QString &, const QUuid &, const int64_t &)>(ViewerWidget::DecodeCachedImage), ticket, GetConnectedNode()->video_frame_cache()->GetCacheDirectory(), GetConnectedNode()->video_frame_cache()->GetUuid(), Timecode::time_to_timestamp(t, timebase(), Timecode::kFloor));
     return ticket;
   }
 }

app/widget/viewer/viewerdisplay.cpp

@@ -1051,7 +1051,7 @@ void ViewerDisplayWidget::DrawSubtitleTracks()
     f.setFamily(family);
   }
 
-  f.setWeight(OLIVE_CONFIG("DefaultSubtitleWeight").toInt());
+  f.setWeight(static_cast<QFont::Weight>(OLIVE_CONFIG("DefaultSubtitleWeight").toInt()));
 
   bounding_box.adjust(bounding_box.width()/10, bounding_box.height()/10, -bounding_box.width()/10, -bounding_box.height()/10);
 
@@ -1145,7 +1145,7 @@ void ViewerDisplayWidget::ForwardDragEventToTextEdit(T *e)
 bool ViewerDisplayWidget::ForwardMouseEventToTextEdit(QMouseEvent *event, bool check_if_outside)
 {
   // Transform screen mouse coords to world mouse coords
-  QPointF local_pos = GetVirtualPosForTextEdit(event->localPos());
+  QPointF local_pos = GetVirtualPosForTextEdit(event->position());
 
   if (check_if_outside) {
     if (local_pos.x() < 0 || local_pos.x() >= text_edit_->width() || local_pos.y() < 0 || local_pos.y() >= text_edit_->height()) {
@@ -1156,8 +1156,8 @@ bool ViewerDisplayWidget::ForwardMouseEventToTextEdit(QMouseEvent *event, bool c
 
   local_pos = AdjustPosByVAlign(local_pos);
 
-  event->setLocalPos(local_pos);
+  QMouseEvent derived(event->type(), local_pos, event->scenePosition(), event->globalPosition(), event->button(), event->buttons(), event->modifiers(), event->source(), event->pointingDevice());
-  return ForwardEventToTextEdit(event);
+  return ForwardEventToTextEdit(&derived);
 }
 
 bool ViewerDisplayWidget::ForwardEventToTextEdit(QEvent *event)

app/widget/viewer/viewerqueue.h

@@ -21,8 +21,6 @@
 #ifndef VIEWERQUEUE_H
 #define VIEWERQUEUE_H
 
-#include <QLinkedList>
-
 #include "codec/frame.h"
 
 namespace olive {

app/widget/viewer/viewerwindow.cpp

@@ -32,7 +32,7 @@ ViewerWindow::ViewerWindow(QWidget *parent) :
   pixel_aspect_(1)
 {
   QVBoxLayout* layout = new QVBoxLayout(this);
-  layout->setMargin(0);
+  layout->setContentsMargins(0, 0, 0, 0);
   layout->setSpacing(0);
 
   display_widget_ = new ViewerDisplayWidget();

app/window/mainwindow/mainmenu.cpp

@@ -20,6 +20,7 @@
 
 #include "mainmenu.h"
 
+#include <QActionGroup>
 #include <QDesktopServices>
 #include <QEvent>
 #include <QStyleFactory>

app/window/mainwindow/mainwindow.cpp

@@ -22,7 +22,6 @@
 
 #include <QApplication>
 #include <QDebug>
-#include <QDesktopWidget>
 #include <QMessageBox>
 #include <QScreen>