some Qt6 adustments for the iot-dashboard

examples/examples.pro

@@ -4,7 +4,6 @@ TEMPLATE = subdirs
 SUBDIRS += \
     desktop \
     gallery \
-    iot-dashboard \
     layouts \
     listbox \
     messagebox \
@@ -12,6 +11,8 @@ SUBDIRS += \
     thumbnails \
     tabview
 
+lessThan(QT_MAJOR_VERSION, 6): SUBDIRS += iot-dashboard
+
 qtHaveModule(svg) {
 
     # when checking in qvg files we could drop the svg dependency 

examples/iot-dashboard/Diagram.cpp

@@ -5,8 +5,6 @@
 
 #include "Diagram.h"
 
-#include <QVectorIterator>
-
 class Diagram::PrivateData
 {
     public:

examples/iot-dashboard/PieChartPainted.cpp

@@ -38,6 +38,7 @@
 #include <QskSetup.h>
 #include <QskSkin.h>
 #include <QskTextLabel.h>
+#include <QskFunctions.h>
 
 #include <QFontMetricsF>
 #include <QGuiApplication>
@@ -149,11 +150,13 @@ void PieChartPainted::updateLayout()
     m_progressBar->setContentsSize( size().toSize() );
     m_progressBar->update();
 
-    auto rect = contentsRect();
-    QFontMetricsF progressMetrics( m_progressLabel->effectiveFont( QskTextLabel::Text ) );
-    auto textWidth = progressMetrics.width( m_progressLabel->text() );
+    const auto rect = layoutRect();
+
+    QFontMetricsF fm( m_progressLabel->effectiveFont( QskTextLabel::Text ) );
+    auto textWidth = qskHorizontalAdvance( fm, m_progressLabel->text() );
     auto posX = rect.width() / 2 - textWidth / 2;
-    auto posY = rect.height() / 2 - progressMetrics.height() / 2;
-    m_progressLabel->setPosition( {posX, posY} );
+    auto posY = rect.height() / 2 - fm.height() / 2;
+
+    m_progressLabel->setPosition( { posX, posY } );
     m_progressLabel->setFixedWidth( textWidth );
 }

examples/iot-dashboard/RoundedIcon.cpp

@@ -37,6 +37,7 @@
 #include <QskGraphicLabel.h>
 
 #include <QImage>
+#include <QFile>
 
 QSK_SUBCONTROL( RoundedIcon, Panel )
 QSK_SUBCONTROL( RoundedIcon, Icon )

examples/iot-dashboard/nodes/DiagramDataNode.cpp

@@ -46,7 +46,13 @@ void DiagramDataNode::update( const QRectF& rect, Type type, const QColor& color
     m_position = position;
     m_type = type;
 
-    GLenum drawingMode = ( m_type == Line ) ? GL_LINES : GL_TRIANGLE_STRIP;
+    const auto drawingMode =
+#if QT_VERSION >= QT_VERSION_CHECK( 5, 8, 0 )
+        ( m_type == Line ) ? QSGGeometry::DrawLines : QSGGeometry::DrawTriangleStrip;
+#else
+        ( m_type == Line ) ? GL_LINES : GL_TRIANGLE_STRIP;
+#endif
+
     m_geometry.setDrawingMode( drawingMode );
 
     const int vertexCount = ( m_type == Line ) ? m_dataPoints.size() * 2 - 1 : m_dataPoints.size() * 2;

examples/iot-dashboard/nodes/DiagramSegmentsNode.cpp

@@ -10,7 +10,11 @@
 DiagramSegmentsNode::DiagramSegmentsNode()
     : m_geometry( QSGGeometry::defaultAttributes_Point2D(), 0 )
 {
+#if QT_VERSION >= QT_VERSION_CHECK( 5, 8, 0 )
+    m_geometry.setDrawingMode( QSGGeometry::DrawLines );
+#else
     m_geometry.setDrawingMode( GL_LINES );
+#endif
 
     setGeometry( &m_geometry );
     setMaterial( &m_material );