Add files from zip

2023-10-31 09:22:42 +01:00
parent 6bacdc5f6d
commit 4dae68036f
2788 changed files with 492537 additions and 0 deletions
--- a/examples/sysinfo/main.cpp
+++ b/examples/sysinfo/main.cpp
@@ -0,0 +1,168 @@
+/*****************************************************************************
+ * Qwt Examples
+ * Copyright (C) 1997   Josef Wilgen
+ * Copyright (C) 2002   Uwe Rathmann
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the Qwt License, Version 1.0
+ *****************************************************************************/
+
+#include <QwtThermo>
+#include <QwtColorMap>
+
+#include <QApplication>
+#include <QWidget>
+#include <QFont>
+#include <QLabel>
+#include <QGroupBox>
+#include <QLayout>
+
+namespace
+{
+    class Gauge : public QwtThermo
+    {
+      public:
+        Gauge()
+        {
+            setScale( 0.0, 100.0 );
+            setFont( QFont( "Helvetica", 8 ) );
+            setPipeWidth( 6 );
+            setScaleMaxMajor( 6 );
+            setScaleMaxMinor( 5 );
+            setFillBrush( Qt::darkMagenta );
+
+#if 1
+            QwtLinearColorMap* colorMap =
+                new QwtLinearColorMap( Qt::blue, Qt::red );
+
+            colorMap->addColorStop( 0.2, Qt::yellow );
+            colorMap->addColorStop( 0.3, Qt::cyan );
+            colorMap->addColorStop( 0.4, Qt::green );
+            colorMap->addColorStop( 0.5, Qt::magenta );
+            colorMap->setMode( QwtLinearColorMap::FixedColors );
+
+            setColorMap( colorMap );
+#endif
+        }
+    };
+
+    class ValueBar : public QWidget
+    {
+      public:
+        ValueBar( Qt::Orientation orientation,
+            const QString& text, double value )
+        {
+            QLabel* label = new QLabel( text );
+            label->setFont( QFont( "Helvetica", 10 ) );
+
+            m_gauge = new Gauge();
+            m_gauge->setValue( value );
+            m_gauge->setOrientation( orientation );
+
+            QVBoxLayout* layout = new QVBoxLayout( this );
+            layout->setContentsMargins( QMargins() );
+            layout->setSpacing( 0 );
+
+            if ( orientation == Qt::Horizontal )
+            {
+                label->setAlignment( Qt::AlignCenter );
+                m_gauge->setScalePosition( QwtThermo::LeadingScale );
+
+                layout->addWidget( label );
+                layout->addWidget( m_gauge );
+            }
+            else
+            {
+                label->setAlignment( Qt::AlignRight );
+                m_gauge->setScalePosition( QwtThermo::TrailingScale );
+
+                layout->addWidget( m_gauge, 10, Qt::AlignHCenter );
+                layout->addWidget( label, 0 );
+            }
+        }
+
+      private:
+        QwtThermo* m_gauge;
+    };
+
+    class InfoBox : public QGroupBox
+    {
+      public:
+        InfoBox( Qt::Orientation orientation, const QString& title )
+            : QGroupBox( title )
+        {
+            const int margin = 15;
+            const int spacing = 5;
+
+            const QBoxLayout::Direction dir = ( orientation == Qt::Vertical )
+                ? QBoxLayout::TopToBottom : QBoxLayout::LeftToRight;
+
+            QBoxLayout* layout = new QBoxLayout( dir, this );
+            layout->setContentsMargins( margin, margin, margin, margin );
+            layout->setSpacing( spacing );
+
+            setFont( QFont( "Helvetica", 10 ) );
+        }
+    };
+
+    class MemoryBox : public InfoBox
+    {
+      public:
+        MemoryBox()
+            : InfoBox( Qt::Vertical, "Memory Usage" )
+        {
+            const Qt::Orientation o = Qt::Horizontal;
+
+            auto layout = qobject_cast< QBoxLayout* >( this->layout() );
+
+            layout->addWidget( new ValueBar( o, "Used", 57 ) );
+            layout->addWidget( new ValueBar( o, "Shared", 17 ) );
+            layout->addWidget( new ValueBar( o, "Cache", 30 ) );
+            layout->addWidget( new ValueBar( o, "Buffers", 22 ) );
+            layout->addWidget( new ValueBar( o, "Swap Used", 57 ) );
+            layout->addWidget( new QWidget(), 10 ); // spacer
+        }
+    };
+
+    class CpuBox : public InfoBox
+    {
+      public:
+        CpuBox()
+            : InfoBox( Qt::Horizontal, "Cpu Usage" )
+        {
+            const Qt::Orientation o = Qt::Vertical;
+
+            auto layout = qobject_cast< QBoxLayout* >( this->layout() );
+
+            layout->addWidget( new ValueBar( o, "User", 57 ) );
+            layout->addWidget( new ValueBar( o, "Total", 73 ) );
+            layout->addWidget( new ValueBar( o, "System", 16 ) );
+            layout->addWidget( new ValueBar( o, "Idle", 27 ) );
+        }
+    };
+
+    class SystemBox : public QFrame
+    {
+      public:
+        SystemBox( QWidget* parent = NULL )
+            : QFrame( parent )
+        {
+            QHBoxLayout* layout = new QHBoxLayout( this );
+
+            layout->setContentsMargins( 10, 10, 10, 10 );
+            layout->addWidget( new MemoryBox(), 10 );
+            layout->addWidget( new CpuBox(), 0 );
+        }
+    };
+}
+
+int main( int argc, char* argv[] )
+{
+    QApplication app( argc, argv );
+
+    SystemBox box;
+    box.resize( box.sizeHint().expandedTo( QSize( 600, 400 ) ) );
+    box.show();
+
+    return app.exec();
+}