Add OpenGL example

examples/CMakeLists.txt

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

examples/openGL/CMakeLists.txt

@@ -0,0 +1,51 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(OpenGLExample VERSION ${VERSION_SHORT})
+
+find_package(
+  QT NAMES Qt6
+  COMPONENTS Core Gui Widgets Charts OpenGLWidgets
+  REQUIRED)
+find_package(
+  Qt${QT_VERSION_MAJOR}
+  COMPONENTS Core Gui Widgets Charts OpenGLWidgets
+  REQUIRED)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+add_executable(${PROJECT_NAME} WIN32 main.cpp MainWindow.cpp)
+
+target_include_directories(${PROJECT_NAME}
+                           PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/../../src")
+target_link_libraries(${PROJECT_NAME}
+                      PRIVATE qtadvanceddocking-qt${QT_VERSION_MAJOR})
+
+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)
+
+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}>)

examples/openGL/MainWindow.cpp

@@ -0,0 +1,34 @@
+#include "MainWindow.h"
+
+#include <QChart>
+#include <QChartView>
+#include <QLabel>
+#include <QLineSeries>
+#include <QTimer>
+
+MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent)
+{
+    setFixedSize(900, 600);
+    // Create the dock manager. Because the parent parameter is a QMainWindow
+    // the dock manager registers itself as the central widget.
+    m_DockManager = new ads::CDockManager(this);
+
+    // Create example chart using OpenGL
+    QChartView* chart_view = new QChartView(this);
+    QList<QPointF> points = {{0, 0}, {2, 0}, {2, 5}, {4, 5}, {4, -2}, {6, -2}};
+    QLineSeries* series = new QLineSeries(this);
+    series->setUseOpenGL(true);
+    series->replace(points);
+    chart_view->chart()->addSeries(series);
+    chart_view->chart()->createDefaultAxes();
+    chart_view->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
+
+    // Create a dock widget with the title "Chart with OpenGL" and set the created
+    // chart as the dock widget content
+    ads::CDockWidget* DockWidget = new ads::CDockWidget("Chart with OpenGL");
+    DockWidget->setWidget(chart_view);
+    DockWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
+
+    // Add the dock widget to the top dock widget area
+    m_DockManager->addDockWidget(ads::CenterDockWidgetArea, DockWidget);
+}

examples/openGL/MainWindow.h

@@ -0,0 +1,20 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+
+#include "DockManager.h"
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit MainWindow(QWidget* parent = 0);
+    ~MainWindow() = default;
+
+private:
+    ads::CDockManager* m_DockManager;
+};
+
+#endif  // MAINWINDOW_H

examples/openGL/main.cpp

@@ -0,0 +1,17 @@
+#include <QApplication>
+
+#include <MainWindow.h>
+
+int main(int argc, char* argv[])
+{
+    QApplication::setAttribute(Qt::AA_ShareOpenGLContexts);  // required for
+                                                             // dockings system
+                                                             // when using OpenGL
+                                                             // widgets like
+                                                             // Coin3D viewer
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.show();
+
+    return a.exec();
+}