During refs #319, refactoring of QLed (as it is used with a LED formatter)

* renamed to CLedWidget
* added missing SVG
* rendering to pixmap possible
* QScopedPointer<QSvgRenderer>
* Led, copyright

src/blackgui/components/infobarstatuscomponent.cpp

@@ -40,14 +40,14 @@ namespace BlackGui
 
         void CInfoBarStatusComponent::initLeds()
         {
-            CLed::LedShape shape = CLed::Circle;
+            CLedWidget::LedShape shape = CLedWidget::Circle;
-            this->ui->led_DBus->setValues(CLed::Yellow, CLed::Black, shape, "DBus connected", "DBus disconnected", 14);
+            this->ui->led_DBus->setValues(CLedWidget::Yellow, CLedWidget::Black, shape, "DBus connected", "DBus disconnected", 14);
-            this->ui->led_Network->setValues(CLed::Yellow, CLed::Black, shape, "Network connected", "Network disconnected", 14);
+            this->ui->led_Network->setValues(CLedWidget::Yellow, CLedWidget::Black, shape, "Network connected", "Network disconnected", 14);
-            this->ui->led_Simulator->setValues(CLed::Yellow, CLed::Black, shape, "Simulator connected", "Simulator disconnected", 14);
+            this->ui->led_Simulator->setValues(CLedWidget::Yellow, CLedWidget::Black, shape, "Simulator connected", "Simulator disconnected", 14);
 
-            shape = CLed::Rounded;
+            shape = CLedWidget::Rounded;
-            this->ui->led_Ptt->setValues(CLed::Yellow, CLed::Red, shape, "Ptt", "Silence", 18);
+            this->ui->led_Ptt->setValues(CLedWidget::Yellow, CLedWidget::Red, shape, "Ptt", "Silence", 18);
-            this->ui->led_Audio->setValues(CLed::Yellow, CLed::Red, shape, "On", "Muted", 18);
+            this->ui->led_Audio->setValues(CLedWidget::Yellow, CLedWidget::Red, shape, "On", "Muted", 18);
         }
 
         void CInfoBarStatusComponent::setDBusStatus(bool dbus)
@@ -125,7 +125,7 @@ namespace BlackGui
                 this->ui->led_Network->setOn(true);
                 break;
             case INetwork::Connecting:
-                this->ui->led_Network->setTemporaryColor(CLed::Yellow);
+                this->ui->led_Network->setTemporaryColor(CLedWidget::Yellow);
                 break;
             default:
                 this->ui->led_Network->setOn(false);

src/blackgui/components/infobarstatuscomponent.ui

@@ -56,7 +56,7 @@
     </widget>
    </item>
    <item>
-    <widget class="BlackGui::CLed" name="led_Network" native="true"/>
+    <widget class="BlackGui::CLedWidget" name="led_Network" native="true"/>
    </item>
    <item>
     <widget class="QLabel" name="lbl_Simulator">
@@ -75,7 +75,7 @@
     </widget>
    </item>
    <item>
-    <widget class="BlackGui::CLed" name="led_Simulator" native="true">
+    <widget class="BlackGui::CLedWidget" name="led_Simulator" native="true">
      <property name="sizePolicy">
       <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
        <horstretch>0</horstretch>
@@ -98,7 +98,7 @@
     </widget>
    </item>
    <item>
-    <widget class="BlackGui::CLed" name="led_DBus" native="true">
+    <widget class="BlackGui::CLedWidget" name="led_DBus" native="true">
      <property name="sizePolicy">
       <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
        <horstretch>0</horstretch>
@@ -124,7 +124,7 @@
     </widget>
    </item>
    <item>
-    <widget class="BlackGui::CLed" name="led_Ptt" native="true"/>
+    <widget class="BlackGui::CLedWidget" name="led_Ptt" native="true"/>
    </item>
    <item>
     <widget class="QLabel" name="lbl_Audio">
@@ -143,7 +143,7 @@
     </widget>
    </item>
    <item>
-    <widget class="BlackGui::CLed" name="led_Audio" native="true"/>
+    <widget class="BlackGui::CLedWidget" name="led_Audio" native="true"/>
    </item>
    <item>
     <spacer name="hs_InfoStatusBar">
@@ -162,7 +162,7 @@
  </widget>
  <customwidgets>
   <customwidget>
-   <class>BlackGui::CLed</class>
+   <class>BlackGui::CLedWidget</class>
    <extends>QWidget</extends>
    <header>blackgui/led.h</header>
    <container>1</container>

src/blackgui/led.cpp

@@ -6,12 +6,7 @@
  * including this file, may be copied, modified, propagated, or distributed except according to the terms
  * contained in the LICENSE file.
  *
- * Copyright (C) 2010 by P. Sereno
+ * Class based on qLed: Copyright (C) 2010 by P. Sereno, http://www.sereno-online.com
- * http://www.sereno-online.com
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation
  */
 
 #include "led.h"
@@ -22,22 +17,29 @@
 #include <QPolygon>
 #include <QtSvg>
 #include <QSvgRenderer>
+#include <QImage>
 
 namespace BlackGui
 {
-    CLed::CLed(QWidget *parent) : QWidget(parent)
+    CLedWidget::CLedWidget(QWidget *parent) : QWidget(parent), m_renderer(new QSvgRenderer)
     {
         this->setLed();
     }
 
-    CLed::CLed(bool on, CLed::LedColor onColor, CLed::LedColor offColor, CLed::LedShape shape, QWidget *parent) :
+    CLedWidget::CLedWidget(bool on, LedColor onColor, LedColor offColor, LedShape shape, const QString &onName, const QString &offName, QWidget *parent) :
-        QWidget(parent), m_value(on ? On : Off), m_onColor(onColor), m_offColor(offColor), m_shape(shape)
+        m_value(on ? On : Off), m_colorOn(onColor), m_colorOff(offColor),
+        m_shape(shape), m_tooltipOn(onName), m_tooltipOff(offName), m_renderer(new QSvgRenderer(parent))
     {
         this->setLed();
     }
 
-    void CLed::setLed(LedColor ledColor)
+    CLedWidget::~CLedWidget()
+    { }
+
+    void CLedWidget::setLed(LedColor ledColor)
     {
+        Q_ASSERT(!this->m_renderer.isNull());
+
         // load image, init renderer
         QString ledShapeAndColor;
         ledShapeAndColor = shapes().at(static_cast<int>(this->m_shape));
@@ -45,29 +47,23 @@ namespace BlackGui
         {
             if (m_value == On)
             {
-                this->setToolTip(this->m_tooltipOn);
+                this->m_currentToolTip = this->m_tooltipOn;
-                ledShapeAndColor.append(CLed::colorString(this->m_onColor));
+                ledShapeAndColor.append(CLedWidget::colorString(this->m_colorOn));
             }
             else
             {
-                this->setToolTip(this->m_tooltipOff);
+                this->m_currentToolTip = this->m_tooltipOff;
-                ledShapeAndColor.append(CLed::colorString(this->m_offColor));
+                ledShapeAndColor.append(CLedWidget::colorString(this->m_colorOff));
             }
         }
         else
         {
-            this->setToolTip("transition");
+            this->m_currentToolTip = "transition";
-            ledShapeAndColor.append(CLed::colorString(ledColor));
+            ledShapeAndColor.append(CLedWidget::colorString(ledColor));
-        }
-
-        // init renderer, allow re-init
-        bool firstTime = false;
-        if (!m_renderer)
-        {
-            firstTime = true;
-            m_renderer = new QSvgRenderer(this);
         }
+        this->setToolTip(this->m_currentToolTip); // for widget
 
+        // init renderer, load led.
         m_renderer->load(ledShapeAndColor);
 
         // original size
@@ -75,105 +71,95 @@ namespace BlackGui
         this->m_whRatio = s.width() / s.height();
 
         // size
-        if (this->m_targetWidth < 0)
+        if (this->m_widthTarget < 0)
         {
-            this->m_targetWidth = widths().at(static_cast<int>(m_shape));
+            this->m_widthTarget = widths().at(static_cast<int>(m_shape));
         }
-        double w = this->m_targetWidth;
+        double h = this->m_widthTarget / this->m_whRatio;
-        double h = w / this->m_whRatio;
+        this->m_heightCalculated = qRound(h);
-        this->setFixedHeight(qRound(h));
-        this->setFixedWidth(qRound(w));
 
-        if (!firstTime)
+        this->setFixedHeight(this->m_heightCalculated);
-        {
+        this->setFixedWidth(this->m_widthTarget);
-            // re-init widget (adjust size etc.)
+        this->update();
-            this->update();
-        }
     }
 
-    const QString &CLed::colorString(CLed::LedColor color)
+    QPixmap CLedWidget::renderToPixmap() const
+    {
+        Q_ASSERT(!this->m_renderer.isNull());
+
+        // Prepare a QImage with desired characteritiscs
+        QImage image(QSize(this->m_widthTarget, this->m_heightCalculated), QImage::Format_ARGB32);
+        image.fill(qRgba(0, 0, 0, 0)); // transparent background
+
+        // Get QPainter that paints to the image
+        QPainter painter(&image);
+        this->m_renderer->render(&painter);
+        return QPixmap::fromImage(image);
+    }
+
+    const QString &CLedWidget::colorString(CLedWidget::LedColor color)
     {
         static const QString empty;
         if (color == NoColor) return empty;
         return colors().at(static_cast<int>(color));
     }
 
-    CLed::~CLed()
+    void CLedWidget::setToolTips(const QString &on, const QString &off)
-    {
-        delete m_renderer;
-    }
-
-    void CLed::setToolTips(const QString &on, const QString &off)
     {
         this->m_tooltipOn = on;
         this->m_tooltipOff = off;
-        if (this->m_value)
+        this->setLed();
-        {
-            this->setToolTip(on);
-        }
-        else
-        {
-            this->setToolTip(off);
-        }
     }
 
-    void CLed::setOnToolTip(const QString &on)
+    void CLedWidget::setOnToolTip(const QString &on)
     {
         this->setToolTips(on, this->m_tooltipOff);
     }
 
-    void CLed::paintEvent(QPaintEvent *)
+    void CLedWidget::setOnColor(LedColor color)
     {
-        // init style sheets with this widget
+        if (color == this->m_colorOn) return;
-        QStyleOption opt;
+        m_colorOn = color;
-        opt.init(this);
-
-        // paint
-        QPainter painter(this);
-        painter.setRenderHint(QPainter::Antialiasing, true);
-        painter.setBackgroundMode(Qt::TransparentMode);
-        m_renderer->render(&painter);
-    }
-
-    void CLed::setOnColor(LedColor color)
-    {
-        if (color == this->m_onColor) return;
-        m_onColor = color;
         setLed();
     }
 
-    void CLed::setOffColor(LedColor color)
+    void CLedWidget::setOffColor(LedColor color)
     {
-        if (color == this->m_offColor) return;
+        if (color == this->m_colorOff) return;
-        m_offColor = color;
+        m_colorOff = color;
         setLed();
     }
 
-    void CLed::setTemporaryColor(CLed::LedColor color)
+    void CLedWidget::setTemporaryColor(CLedWidget::LedColor color)
     {
         m_value = Temporary;
         setLed(color);
     }
 
-    void CLed::setShape(LedShape newShape)
+    void CLedWidget::setShape(LedShape newShape)
     {
         if (newShape == this->m_shape) return;
         m_shape = newShape;
         setLed();
     }
 
-    void CLed::setValues(CLed::LedColor onColor, CLed::LedColor offColor, CLed::LedShape shape, const QString &toolTipOn, const QString &toolTipOff, int width)
+    void CLedWidget::setValues(LedColor onColor, LedColor offColor, LedShape shape, const QString &toolTipOn, const QString &toolTipOff, int width)
     {
-        m_onColor = onColor;
+        m_colorOn = onColor;
-        m_offColor = offColor;
+        m_colorOff = offColor;
         m_shape = shape;
         m_tooltipOn = toolTipOn;
         m_tooltipOff = toolTipOff;
-        m_targetWidth = width;
+        m_widthTarget = width;
         setLed();
     }
 
-    void CLed::setOn(bool on)
+    QPixmap CLedWidget::asPixmap() const
+    {
+        return this->renderToPixmap();
+    }
+
+    void CLedWidget::setOn(bool on)
     {
         State s = on ? On : Off;
         if (m_value == s) return;
@@ -181,7 +167,7 @@ namespace BlackGui
         setLed();
     }
 
-    void CLed::toggleValue()
+    void CLedWidget::toggleValue()
     {
         if (m_value == Temporary || m_value == On)
         {
@@ -194,19 +180,32 @@ namespace BlackGui
         setLed();
     }
 
-    const QStringList &CLed::shapes()
+    void CLedWidget::paintEvent(QPaintEvent *)
+    {
+        // init style sheets with this widget
+        QStyleOption opt;
+        opt.init(this);
+
+        // paint
+        QPainter painter(this);
+        painter.setRenderHint(QPainter::Antialiasing, true);
+        painter.setBackgroundMode(Qt::TransparentMode);
+        m_renderer->render(&painter);
+    }
+
+    const QStringList &CLedWidget::shapes()
     {
         static const QStringList shapes( {":/qled/icons/qled/circle_" , ":/qled/icons/qled/square_" , ":/qled/icons/qled/triang_" , ":/qled/icons/qled/round_"});
         return shapes;
     }
 
-    const QStringList &CLed::colors()
+    const QStringList &CLedWidget::colors()
     {
         static const QStringList colors( { "red.svg", "green.svg", "yellow.svg", "grey.svg", "orange.svg", "purple.svg", "blue.svg", "black.svg" });
         return colors;
     }
 
-    const QList<int> &CLed::widths()
+    const QList<int> &CLedWidget::widths()
     {
         static const QList<int> widths({ 16, 16, 16, 16});
         return widths;

src/blackgui/led.h

@@ -6,12 +6,7 @@
  * including this file, may be copied, modified, propagated, or distributed except according to the terms
  * contained in the LICENSE file.
  *
- * Copyright (C) 2010 by P. Sereno
+ * Class based on qLed: Copyright (C) 2010 by P. Sereno, http://www.sereno-online.com
- * http://www.sereno-online.com
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation
  */
 
 //! \file
@@ -21,29 +16,19 @@
 
 #include <Qt>
 #include <QWidget>
-
+#include <QSvgRenderer>
-class QColor;
+#include <QColor>
-class QSvgRenderer;
 
 namespace BlackGui
 {
-    //! Displaying an LED
+    //! Displaying an LED as widget. Non copyable.
     //! \remarks Based on qLed
-    class CLed : public QWidget
+    class CLedWidget : public QWidget
     {
         Q_OBJECT
         Q_ENUMS(LedColor)
         Q_ENUMS(LedShape)
 
-        //! Value on/off
-        Q_PROPERTY(bool value READ value WRITE setOn)
-        //! Color when on
-        Q_PROPERTY(LedColor onColor READ onColor WRITE setOnColor)
-        //! Color when off
-        Q_PROPERTY(LedColor offColor READ offColor WRITE setOffColor)
-        //! Shape
-        Q_PROPERTY(LedShape shape READ shape WRITE setShape)
-
     public:
 
         //! Colors
@@ -56,29 +41,32 @@ namespace BlackGui
         //! States
         enum State { On, Off, Temporary };
 
-        //! Constructor
+        //! Default constructor
-        CLed(QWidget *parent = nullptr);
+        CLedWidget(QWidget *parent = nullptr);
 
         //! Constructor
-        CLed(bool on, LedColor onColor, LedColor offColor, LedShape shape, QWidget *parent = nullptr);
+        CLedWidget(bool on, LedColor onColor, LedColor offColor, LedShape shape, const QString &onName = "on", const QString &offName = "off", QWidget *parent = nullptr);
 
         //! Destructor
-        virtual ~CLed();
+        virtual ~CLedWidget();
 
         //! Value
         bool value() const { return m_value; }
 
-        //! On color
+        //! Allows to set the led value {true,false}
-        LedColor onColor() const { return m_onColor; }
+        void setOn(bool on);
 
-        //! Off color
+        //! Toggle on / off
-        LedColor offColor() const { return m_offColor; }
+        void toggleValue();
 
         //! Shape
         LedShape shape() const { return m_shape; }
 
-        //! Allows to set the led value {true,false}
+        //! On color
-        void setOn(bool on);
+        LedColor onColor() const { return m_colorOn; }
+
+        //! Off color
+        LedColor offColor() const { return m_colorOff; }
 
         //! Allows to change the On color {Red,Green,Yellow,Grey,Orange,Purple,blue}
         void setOnColor(LedColor color);
@@ -89,31 +77,52 @@ namespace BlackGui
         //! Temporary color until next value change
         void setTemporaryColor(LedColor color);
 
+        //! Allows to change the led shape {Circle,Square,Triangle,Rounded rectangle}
+        void setShape(LedShape);
+
+        //! Target width
+        void setTargetWidth(int width) { this->m_widthTarget = width; }
+
+        //! Tool tip
+        QString getOnToolTip() const { return m_tooltipOn; }
+
+        //! Tool tip
+        QString getOffToolTip() const { return m_tooltipOff; }
+
         //! Tool tips
         void setToolTips(const QString &on, const QString &off);
 
         //! On tool tip
         void setOnToolTip(const QString &on);
 
-        //! Allows to change the led shape {Circle,Square,Triangle,Rounded rectangle}
-        void setShape(LedShape);
-
-        //! Target width
-        void setTargetWidth(int width) { this->m_targetWidth = width; }
-
         //! New values
         void setValues(LedColor onColor, LedColor offColor, LedShape shape, const QString &toolTipOn, const QString &toolTipOff, int width = -1);
 
-        //! Toggle on / off
+        //! Render as pixmap, so it can be used with TableViews
-        void toggleValue();
+        QPixmap asPixmap() const;
 
     protected:
         State m_value = Off;         //!< current value
-        LedColor m_onColor = Red;    //!< On color
+        LedColor m_colorOn = Red;    //!< On color
-        LedColor m_offColor = Grey;  //!< Off color
+        LedColor m_colorOff = Grey;  //!< Off color
         LedShape m_shape = Circle;   //!< shape
         double m_whRatio = 1.0;      //!< width/height ratio
-        int m_targetWidth = -1;      //!< TargetWidth
+        int m_widthTarget = -1;      //!< desired width
+        int m_heightCalculated = 1;  //!< calculated height
+
+        QString m_tooltipOn;         //!< tooltip when on
+        QString m_tooltipOff;        //!< tooltip when off
+        QString m_currentToolTip;    //!< currently used tooltip
+        QScopedPointer<QSvgRenderer> m_renderer; //!< Renderer
+
+        //! Paint event
+        virtual void paintEvent(QPaintEvent *event) override;
+
+        //! Set / init LED
+        void setLed(LedColor ledColor = NoColor);
+
+        //! Render to pixmap
+        QPixmap renderToPixmap() const;
 
         //! All shapes
         static const QStringList &shapes();
@@ -124,15 +133,13 @@ namespace BlackGui
         //! All target widths
         static const QList<int> &widths();
 
-        //! Paint event
+        //! Color string
-        void paintEvent(QPaintEvent *event);
+        static const QString &colorString(LedColor color); //!<Color string
 
     private:
-        QSvgRenderer *m_renderer = nullptr;         //!< Renderer
+        //! Fix widget after widths calculated
-        QString m_tooltipOn;
+        void firstTimeReInit();
-        QString m_tooltipOff;
+
-        void setLed(LedColor ledColor = NoColor); //!< Init LED
-        static const QString &colorString(LedColor color); //!<Color string
     };
 }
 #endif

src/blackmisc/blackmisc.qrc

@@ -304,5 +304,7 @@
         <file>icons/qled/triang_purple.svg</file>
         <file>icons/qled/triang_red.svg</file>
         <file>icons/qled/triang_yellow.svg</file>
+        <file>icons/qled/round_black.svg</file>
     </qresource>
+    <qresource prefix="/"/>
 </RCC>

src/blackmisc/icons/qled/round_black.svg

@@ -0,0 +1,254 @@
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+    xmlns="http://www.w3.org/2000/svg"
+    xmlns:xlink="http://www.w3.org/1999/xlink"
+    xmlns:cc="http://web.resource.org/cc/"
+    xmlns:dc="http://purl.org/dc/elements/1.1/"
+    xmlns:sodipodi="http://inkscape.sourceforge.net/DTD/sodipodi-0.dtd"
+    xmlns:svg="http://www.w3.org/2000/svg"
+    xmlns:ns1="http://sozi.baierouge.fr"
+    id="svg9493"
+    sodipodi:docname="led_rounded_h_black.svg"
+    inkscape:export-ydpi="90.000000"
+    inkscape:export-filename="/datas/Projs/Cliparts Stocker/led/led_rounded_h_black.png"
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+    inkscape:export-xdpi="90.000000"
+    inkscape:version="0.42"
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