Add open gl example and fix #717

.gitignore

@@ -385,5 +385,5 @@ MigrationBackup/
 FodyWeavers.xsd
 / build
 /Settings.ini
-.vscode/settings.json
+.vscode/
 /.settings

demo/main.cpp

@@ -2,6 +2,7 @@
 #include <QString>
 #include <QFile>
 #include <QApplication>
+#include <QQuickWindow>
 #include <QDebug>
 
 #include <memory>
@@ -35,6 +36,14 @@ void myMessageOutput(QtMsgType type, const QMessageLogContext &context, const QS
 
 int main(int argc, char *argv[])
 {
+    // https://doc.qt.io/qt-6/qtdatavisualization-known-issues.html
+    // Use either `qputenv("QSG_RHI_BACKEND", "opengl");` or the following line
+    QQuickWindow::setGraphicsApi(QSGRendererInterface::OpenGL);
+
+    // Disable warnings when attempts are made to convert non-convertible non-native widgets
+    // to native widgets (such as QQuickWidget)
+    QApplication::setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
+
 #if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
 	QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
 #if QT_VERSION >= 0x050600

examples/CMakeLists.txt

@@ -9,3 +9,4 @@ add_subdirectory(autohide)
 add_subdirectory(autohidedragndrop)
 add_subdirectory(emptydockarea)
 add_subdirectory(dockindock)
+add_subdirectory(openGL)

examples/examples.pro

@@ -5,6 +5,7 @@ SUBDIRS = \
 	autohidedragndrop \
     centralwidget \
 	simple \
+	openGL \
 	hideshow \
 	sidebar \
 	deleteonclose \

examples/openGL/CMakeLists.txt

@@ -0,0 +1,135 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(OpenGLExample VERSION ${VERSION_SHORT})
+
+set(CMAKE_AUTOUIC ON)
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+
+find_package(
+  QT NAMES Qt6
+  COMPONENTS Core
+             Gui
+             Widgets
+             Charts
+             OpenGLWidgets
+             Quick
+             QuickWidgets
+             ShaderTools
+  REQUIRED)
+
+find_package(
+  Qt${QT_VERSION_MAJOR}
+  COMPONENTS Core
+             Gui
+             Widgets
+             Charts
+             OpenGLWidgets
+             Quick
+             QuickWidgets
+             ShaderTools
+  REQUIRED)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+qt_add_executable(
+  ${PROJECT_NAME}
+  WIN32
+  main.cpp
+  mainwindow.cpp
+  mainwindow.h
+  glwindow.cpp
+  glwindow.h
+  glwidget.h
+  glwidget.cpp
+  fbitem.cpp
+  fbitem.h
+  logo.cpp
+  logo.h)
+
+target_include_directories(${PROJECT_NAME}
+                           PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../../src")
+target_link_libraries(${PROJECT_NAME}
+                      PRIVATE qtadvanceddocking-qt${QT_VERSION_MAJOR})
+
+qt_add_qml_module(
+  ${PROJECT_NAME}
+  URI
+  fbitem
+  QML_FILES
+  "test.qml"
+  RESOURCE_PREFIX
+  /openGL
+  NO_RESOURCE_TARGET_PATH)
+
+qt6_add_shaders(
+  ${PROJECT_NAME}
+  "shaders"
+  PRECOMPILE
+  OPTIMIZED
+  PREFIX
+  "/openGL"
+  FILES
+  "wobble.frag")
+
+# Resources:
+set(resource_files "qtlogo.png")
+
+qt_add_resources(${PROJECT_NAME} "OpenGLExample" PREFIX "/" FILES
+                 ${resource_files})
+
+target_link_libraries(
+  ${PROJECT_NAME}
+  PUBLIC Qt${QT_VERSION_MAJOR}::Core
+         Qt${QT_VERSION_MAJOR}::Gui
+         Qt${QT_VERSION_MAJOR}::Widgets
+         Qt${QT_VERSION_MAJOR}::Charts
+         Qt${QT_VERSION_MAJOR}::OpenGLWidgets
+         Qt${QT_VERSION_MAJOR}::Quick
+         Qt${QT_VERSION_MAJOR}::QuickWidgets)
+
+set_target_properties(
+  ${PROJECT_NAME}
+  PROPERTIES AUTOMOC ON
+             AUTORCC ON
+             AUTOUIC ON
+             CXX_STANDARD 14
+             CXX_STANDARD_REQUIRED ON
+             CXX_EXTENSIONS OFF
+             VERSION ${VERSION_SHORT}
+             EXPORT_NAME "Qt Advanced Docking System OpenGL Example"
+             ARCHIVE_OUTPUT_DIRECTORY
+             "${CMAKE_BINARY_DIR}/${ads_PlatformDir}/lib"
+             LIBRARY_OUTPUT_DIRECTORY
+             "${CMAKE_BINARY_DIR}/${ads_PlatformDir}/lib"
+             RUNTIME_OUTPUT_DIRECTORY
+             "${CMAKE_BINARY_DIR}/${ads_PlatformDir}/bin")
+
+# Define include directories
+target_include_directories(
+  ${PROJECT_NAME}
+  PRIVATE $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>
+          $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/examples/openGL>
+          $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/${INSTALL_NAME}>)
+
+install(
+  TARGETS ${PROJECT_NAME}
+  BUNDLE DESTINATION .
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
+
+qt_generate_deploy_app_script(TARGET ${PROJECT_NAME} OUTPUT_SCRIPT
+                              deploy_script NO_UNSUPPORTED_PLATFORM_ERROR)
+
+install(SCRIPT ${deploy_script})
+
+qt_generate_deploy_qml_app_script(
+  TARGET
+  ${PROJECT_NAME}
+  OUTPUT_SCRIPT
+  qml_deploy_script
+  MACOS_BUNDLE_POST_BUILD
+  NO_UNSUPPORTED_PLATFORM_ERROR
+  DEPLOY_USER_QML_MODULES_ON_UNSUPPORTED_PLATFORM)
+
+install(SCRIPT ${qml_deploy_script})