Set qml to be precompiled

.gitignore

@@ -1,3 +1,5 @@
+log
+install
 # ---> C++
 # Prerequisites
 *.d

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.8)
+cmake_minimum_required(VERSION 3.10)
 project(rqt_demo_plugin)
 
 if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
@@ -16,10 +16,12 @@ find_package(Qt5 COMPONENTS Core REQUIRED)
 find_package(Qt5 COMPONENTS Widgets REQUIRED)
 find_package(Qt5 COMPONENTS Qml REQUIRED)
 find_package(Qt5 COMPONENTS Quick REQUIRED)
+find_package(Qt5QuickCompiler)
 
 set(CMAKE_AUTOMOC ON)
+set(QT_QML_GENERATE_QMLLS_INI ON)
 qt_wrap_cpp(MOC_FILES include/rqt_demo_plugin/rqt_demo_plugin.hpp)
-qt5_add_resources(RCC_SOURCES "resources/res.qrc")
+qtquick_compiler_add_resources(RCC_SOURCES "resources/res.qrc")
 
 
 add_library(

include/rqt_demo_plugin/rqt_demo_plugin.hpp

@@ -21,21 +21,19 @@ class DemoPluginMg : public rqt_gui_cpp::Plugin {
   Q_OBJECT
 public:
   DemoPluginMg();
-  ~DemoPluginMg();
 
   virtual void shutdownPlugin() {
-    RCLCPP_INFO(node_->get_logger(), "The plugin has been shutdown");
+    cleanupResources();
   }
   virtual void initPlugin(qt_gui_cpp::PluginContext &);
 };
 
 inline void DemoPluginMg::initPlugin(qt_gui_cpp::PluginContext &pc) {
+  initResources();
   QQuickView *qv = new QQuickView(QUrl("qrc:/qml/helloworld.qml"));
   qv->setResizeMode(QQuickView::ResizeMode::SizeRootObjectToView);
-  QWidget *qw = QWidget::createWindowContainer(qv);
-  pc.addWidget(qw);
-
-  RCLCPP_INFO(node_->get_logger(), "The plugin has been initialized");
+  QWidget *qw_ = QWidget::createWindowContainer(qv);
+  pc.addWidget(qw_);
 }
 
 }; // namespace mg

log/latest_build

@@ -1 +1 @@
-build_2025-03-07_23-29-50
+build_2025-03-08_17-19-32

package.xml

@@ -13,7 +13,7 @@
   <depend>pluginlib</depend>
   <depend>rqt</depend>
   <depend>rqt_gui_cpp</depend>
-
+  <depend>rqt_image_view</depend>
 
   <export>
     <build_type>ament_cmake</build_type>

resources/qml/helloworld.qml

@@ -1,22 +1,48 @@
 import QtQuick 2.3
-Item {
-    Row {
-        anchors.right: parent.right
-        spacing: 4
+
+Rectangle {
+    color: "gray"
+    Flickable {
+        width: parent.width;
+        height: parent.height
+        contentWidth: 2500; contentHeight: 1500
+        flickDeceleration: 10000
+        leftMargin: Math.max((width - contentWidth)/2,0)
+        topMargin: Math.max((height - contentHeight)/2,0)
+        clip: true
+
         Rectangle {
-            height: 100
-            width: 100
-            color: "green"
-            Text {
-                text: "Hello, World!"
-            }
-        }
-        Rectangle {
-            height: 100
-            width: 100
-            color: "red"
-            Text {
-                text: "Hello, World!"
+            color: "white"
+            id: contentRect
+            anchors.top: parent.top
+            anchors.left: parent.left
+            width: parent.width
+            height: parent.height
+            
+            transform: Scale {yScale: 1; xScale: 1}
+            transformOrigin: Item.TopLeft
+
+            Row {
+                x:0
+                y:0
+                spacing: 4
+
+                Rectangle {
+                    height: 100
+                    width: 100
+                    color: "green"
+                    Text {
+                        text: "Hello, World!"
+                    }
+                }
+                Rectangle {
+                    height: 100
+                    width: 100
+                    color: "red"
+                    Text {
+                        text: "Hello, World!"
+                    }
+                }
             }
         }
     }

src/rqt_demo_plugin.cpp

@@ -6,10 +6,8 @@
 PLUGINLIB_EXPORT_CLASS(mg::DemoPluginMg, rqt_gui_cpp::Plugin)
 
 mg::DemoPluginMg::DemoPluginMg() : Plugin() {
-  initResources();
   QSurfaceFormat fmt;
   fmt.setSwapInterval(0);
   fmt.setRenderableType(QSurfaceFormat::OpenGLES);
   QSurfaceFormat::setDefaultFormat(fmt);
-}
-mg::DemoPluginMg::~DemoPluginMg() { cleanupResources(); }
+}