Start PyQt6 compatibility update

Signed-off-by: [email protected] <falkTX>

.gitignore

@@ -60,6 +60,7 @@ qrc_resources.cpp
 *.pyc
 
 # Qt files
+qt_config.py
 *_ui.hpp
 *_ui.py
 *_rc.cpp

Makefile

@@ -707,6 +707,8 @@ endif
 	$(LINK) ../carla_utils.py              $(DESTDIR)$(DATADIR)/carla/resources
 	$(LINK) ../carla_widgets.py            $(DESTDIR)$(DATADIR)/carla/resources
 	$(LINK) ../externalui.py               $(DESTDIR)$(DATADIR)/carla/resources
+	$(LINK) ../qt_compat.py                $(DESTDIR)$(DATADIR)/carla/resources
+	$(LINK) ../qt_config.py                $(DESTDIR)$(DATADIR)/carla/resources
 	$(LINK) ../resources_rc.py             $(DESTDIR)$(DATADIR)/carla/resources
 	$(LINK) ../ui_carla_about.py           $(DESTDIR)$(DATADIR)/carla/resources
 	$(LINK) ../ui_carla_edit.py            $(DESTDIR)$(DATADIR)/carla/resources

source/Makefile.deps.mk

@@ -363,7 +363,7 @@ PYRCC ?= $(PYRCC5)
 PYUIC ?= $(PYUIC5)
 else ifneq ($(PYUIC6),)
 PYRCC ?= $(RCC_QT6) -g python
-PYUIC ?= $(PYRCC6)
+PYUIC ?= $(PYUIC6)
 endif
 
 # ---------------------------------------------------------------------------------------------------------------------

source/frontend/Makefile

@@ -71,6 +71,7 @@ OBJS = $(CPP_FILES:%=$(OBJDIR)/%.o)
 # Resources
 
 RES = \
+	qt_config.py \
 	resources_rc.py \
 	$(BINDIR)/resources/modgui \
 	$(BINDIR)/resources/patchcanvas \
@@ -165,6 +166,10 @@ pluginlist/ui_%.h: pluginlist/%.ui
 ui_%.py: $(RESDIR)/ui/%.ui
 	$(PYUIC) $< -o $@
 
+qt_config.py:
+	echo "#!/usr/bin/env python3" > $@
+	echo "qt = $(FRONTEND_TYPE)" >> $@
+
 resources_rc.py: $(RESDIR)/resources.qrc $(RESDIR)/*/*.png $(RESDIR)/*/*.svg $(RESDIR)/*/*.svgz
 	$(PYRCC) $< -o $@
 

source/frontend/bigmeter-ui

@@ -1,25 +1,16 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla Native Plugins
-# Copyright (C) 2012-2019 Filipe Coelho <[email protected]>
-#
-# 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 2 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 doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <[email protected]>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import Qt
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import Qt
+elif qt_config == 6:
+    from PyQt6.QtCore import Qt
 
 # -----------------------------------------------------------------------
 # Imports (Custom)

source/frontend/carla-plugin

@@ -1,26 +1,18 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla plugin host (plugin UI)
-# Copyright (C) 2013-2020 Filipe Coelho <[email protected]>
-#
-# 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 2 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 GPL.txt file
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <[email protected]>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtGui import QKeySequence, QMouseEvent
-from PyQt5.QtWidgets import QFrame, QSplitter
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtGui import QKeySequence, QMouseEvent
+    from PyQt5.QtWidgets import QFrame, QSplitter
+elif qt_config == 6:
+    from PyQt6.QtGui import QKeySequence, QMouseEvent
+    from PyQt6.QtWidgets import QFrame, QSplitter
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom Stuff)

source/frontend/carla_app.py

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla application
-# Copyright (C) 2013-2020 Filipe Coelho <[email protected]>
-#
-# 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 2 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 doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <[email protected]>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
@@ -28,11 +14,18 @@
 from ctypes import CDLL, RTLD_GLOBAL
 
 # ------------------------------------------------------------------------------------------------------------
-# Imports (PyQt5)
+# Imports (PyQt)
 
-from PyQt5.QtCore import QT_VERSION, Qt, QCoreApplication, QLibraryInfo, QLocale, QTranslator
-from PyQt5.QtGui import QColor, QIcon, QPalette
-from PyQt5.QtWidgets import QApplication
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import QT_VERSION, Qt, QCoreApplication, QLibraryInfo, QLocale, QTranslator
+    from PyQt5.QtGui import QColor, QIcon, QPalette
+    from PyQt5.QtWidgets import QApplication
+elif qt_config == 6:
+    from PyQt6.QtCore import QT_VERSION, Qt, QCoreApplication, QLibraryInfo, QLocale, QTranslator
+    from PyQt6.QtGui import QColor, QIcon, QPalette
+    from PyQt6.QtWidgets import QApplication
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)
@@ -137,21 +130,21 @@ def __init__(self, appName = "Carla2", libPrefix = None):
             self.createPaletteBlue()
 
     def createApp(self, appName):
-        if LINUX:
+        if qt_config == 5 and LINUX:
             # AA_X11InitThreads is not available on old PyQt versions
             try:
                 attr = Qt.AA_X11InitThreads
             except:
                 attr = 10
             QApplication.setAttribute(attr)
 
+            if QT_VERSION >= 0x50600:
+                QApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
+                QApplication.setAttribute(Qt.AA_UseHighDpiPixmaps)
+
         if MACOS:
             QApplication.setAttribute(Qt.AA_DontShowIconsInMenus)
 
-        if QT_VERSION >= 0x50600:
-            QApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
-            QApplication.setAttribute(Qt.AA_UseHighDpiPixmaps)
-
         args = sys.argv[:]
 
         if WINDOWS:

source/frontend/carla_backend_qt.py

@@ -1,25 +1,16 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla Backend code (Qt stuff)
-# Copyright (C) 2011-2020 Filipe Coelho <[email protected]>
-#
-# 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 2 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 doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <[email protected]>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import pyqtSignal, QObject
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import pyqtSignal, QObject
+elif qt_config == 6:
+    from PyQt6.QtCore import pyqtSignal, QObject
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/carla_frontend.py

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla Backend utils
-# Copyright (C) 2011-2024 Filipe Coelho <[email protected]>
-#
-# 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 2 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 doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <[email protected]>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
@@ -28,7 +14,11 @@
     POINTER
 )
 
-from sip import unwrapinstance
+try:
+    from sip import unwrapinstance
+except ImportError:
+    def unwrapinstance(_):
+        return None
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/carla_host.py

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla host code
-# Copyright (C) 2011-2022 Filipe Coelho <[email protected]>
-#
-# 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 2 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 doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <[email protected]>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
@@ -29,23 +15,78 @@
 )
 
 # ------------------------------------------------------------------------------------------------------------
-# Imports (PyQt5)
+# Imports (PyQt)
 
-# This fails in some configurations, assume >= 5.6.0 in that case
-try:
-    from PyQt5.Qt import PYQT_VERSION
-except ImportError:
-    PYQT_VERSION = 0x50600
+from qt_compat import qt_config
 
-from PyQt5.QtCore import (
-    QT_VERSION, qCritical, QBuffer, QEventLoop, QFileInfo, QIODevice, QMimeData, QModelIndex, QPointF, QTimer, QEvent
-)
-from PyQt5.QtGui import (
-    QImage, QImageWriter, QPainter, QPalette, QBrush
-)
-from PyQt5.QtWidgets import (
-    QAction, QApplication, QInputDialog, QFileSystemModel, QListWidgetItem, QGraphicsView, QMainWindow
-)
+if qt_config == 5:
+    # This fails in some configurations, assume >= 5.6.0 in that case
+    try:
+        from PyQt5.Qt import PYQT_VERSION
+    except ImportError:
+        PYQT_VERSION = 0x50600
+
+    from PyQt5.QtCore import (
+        QT_VERSION,
+        qCritical,
+        QBuffer,
+        QEvent,
+        QEventLoop,
+        QFileInfo,
+        QIODevice,
+        QMimeData,
+        QModelIndex,
+        QPointF,
+        QTimer,
+    )
+    from PyQt5.QtGui import (
+        QBrush,
+        QImage,
+        QImageWriter,
+        QPainter,
+        QPalette,
+    )
+    from PyQt5.QtWidgets import (
+        QAction,
+        QApplication,
+        QInputDialog,
+        QFileSystemModel,
+        QListWidgetItem,
+        QGraphicsView,
+        QMainWindow,
+    )
+
+elif qt_config == 6:
+    from PyQt6.QtCore import (
+        PYQT_VERSION,
+        QT_VERSION,
+        qCritical,
+        QBuffer,
+        QEvent,
+        QEventLoop,
+        QFileInfo,
+        QIODevice,
+        QMimeData,
+        QModelIndex,
+        QPointF,
+        QTimer,
+    )
+    from PyQt6.QtGui import (
+        QAction,
+        QBrush,
+        QFileSystemModel,
+        QImage,
+        QImageWriter,
+        QPainter,
+        QPalette,
+    )
+    from PyQt6.QtWidgets import (
+        QApplication,
+        QInputDialog,
+        QListWidgetItem,
+        QGraphicsView,
+        QMainWindow,
+    )
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)
@@ -1595,7 +1636,7 @@ def setupCanvas(self):
             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)
             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)
 
-            if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:
+            if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL and QPainter.HighQualityAntialiasing is not None:
                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])
 
         else: