refs #335, trinary logic for LEDs improved.

The 3rd state usually means a transition state such as "connecting"

src/blackgui/led.cpp

@@ -28,7 +28,8 @@ namespace BlackGui
 
     CLedWidget::CLedWidget(bool on, LedColor onColor, LedColor offColor, LedShape shape, const QString &onName, const QString &offName, QWidget *parent) :
         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))
+        m_shape(shape), m_tooltipOn(onName), m_tooltipOff(offName),
+        m_renderer(new QSvgRenderer(parent))
     {
         this->setLed();
     }
@@ -45,21 +46,41 @@ namespace BlackGui
         ledShapeAndColor = shapes().at(static_cast<int>(this->m_shape));
         if (ledColor == NoColor)
         {
-            if (m_value == On)
+            switch (m_value)
+            {
+            case On:
+                this->m_currentToolTip = this->m_tooltipOn;
+                ledShapeAndColor.append(CLedWidget::colorString(this->m_colorOn));
+                break;
+            case TriState:
+                this->m_currentToolTip = this->m_tooltipTriState;
+                ledShapeAndColor.append(CLedWidget::colorString(this->m_colorTriState));
+                break;
+            case Off:
+            default:
+                this->m_currentToolTip = this->m_tooltipOff;
+                ledShapeAndColor.append(CLedWidget::colorString(this->m_colorOff));
+                break;
+            }
+
+        }
+        else
+        {
+            if (ledColor == m_colorOn)
             {
                 this->m_currentToolTip = this->m_tooltipOn;
                 ledShapeAndColor.append(CLedWidget::colorString(this->m_colorOn));
             }
-            else
+            else if (ledColor == m_colorOff)
             {
                 this->m_currentToolTip = this->m_tooltipOff;
                 ledShapeAndColor.append(CLedWidget::colorString(this->m_colorOff));
             }
-        }
+            else
-        else
+            {
-        {
+                this->m_currentToolTip = this->m_tooltipTriState;
-            this->m_currentToolTip = "transition";
+                ledShapeAndColor.append(CLedWidget::colorString(this->m_colorTriState));
-            ledShapeAndColor.append(CLedWidget::colorString(ledColor));
+            }
         }
         this->setToolTip(this->m_currentToolTip); // for widget
 
@@ -104,16 +125,30 @@ namespace BlackGui
         return colors().at(static_cast<int>(color));
     }
 
-    void CLedWidget::setToolTips(const QString &on, const QString &off)
+    void CLedWidget::setToolTips(const QString &on, const QString &off, const QString &triState)
     {
         this->m_tooltipOn = on;
         this->m_tooltipOff = off;
+        this->m_tooltipTriState = triState;
         this->setLed();
     }
 
     void CLedWidget::setOnToolTip(const QString &on)
     {
-        this->setToolTips(on, this->m_tooltipOff);
+        this->m_tooltipOn = on;
+        this->setLed();
+    }
+
+    void CLedWidget::setOffToolTip(const QString &off)
+    {
+        this->m_tooltipOff = off;
+        this->setLed();
+    }
+
+    void CLedWidget::setTriStateToolTip(const QString &triState)
+    {
+        this->m_tooltipTriState = triState;
+        this->setLed();
     }
 
     void CLedWidget::setOnColor(LedColor color)
@@ -130,10 +165,11 @@ namespace BlackGui
         setLed();
     }
 
-    void CLedWidget::setTemporaryColor(CLedWidget::LedColor color)
+    void CLedWidget::setTriStateColor(CLedWidget::LedColor color)
     {
-        m_value = Temporary;
+        if (color == this->m_colorOff) return;
-        setLed(color);
+        m_colorTriState = color;
+        setLed();
     }
 
     void CLedWidget::setShape(LedShape newShape)
@@ -154,6 +190,20 @@ namespace BlackGui
         setLed();
     }
 
+    void CLedWidget::setValues(LedColor onColor, LedColor offColor, LedColor triStateColor, LedShape shape, const QString &toolTipOn, const QString &toolTipOff, const QString &toolTipTriState, int width)
+    {
+        m_colorOn = onColor;
+        m_colorOff = offColor;
+        m_colorTriState = triStateColor;
+        m_shape = shape;
+        m_tooltipOn = toolTipOn;
+        m_tooltipOff = toolTipOff;
+        m_tooltipTriState = toolTipTriState;
+        m_widthTarget = width;
+        setLed();
+    }
+
+
     QPixmap CLedWidget::asPixmap() const
     {
         return this->renderToPixmap();
@@ -167,6 +217,13 @@ namespace BlackGui
         setLed();
     }
 
+    void CLedWidget::setTriState()
+    {
+        if (m_value == TriState) return;
+        m_value = TriState;
+        setLed();
+    }
+
     void CLedWidget::toggleValue()
     {
         m_value = (m_value == Off) ? m_value = On : m_value = Off;

src/blackgui/led.h

@@ -39,7 +39,7 @@ namespace BlackGui
         enum LedShape { Circle = 0, Square, Triangle, Rounded};
 
         //! States
-        enum State { On, Off, Temporary };
+        enum State { On, Off, TriState };
 
         //! Default constructor
         CLedWidget(QWidget *parent = nullptr);
@@ -53,9 +53,12 @@ namespace BlackGui
         //! Value
         bool value() const { return m_value; }
 
-        //! Allows to set the led value {true,false}
+        //! Allows to set the led value {true, false}
         void setOn(bool on);
 
+        //! Sets the 3rd state
+        void setTriState();
+
         //! Toggle on / off
         void toggleValue();
 
@@ -68,6 +71,9 @@ namespace BlackGui
         //! Off color
         LedColor offColor() const { return m_colorOff; }
 
+        //! Tri-state color
+        LedColor triStateColor() const { return m_colorTriState; }
+
         //! Allows to change the On color {Red,Green,Yellow,Grey,Orange,Purple,blue}
         void setOnColor(LedColor color);
 
@@ -75,7 +81,7 @@ namespace BlackGui
         void setOffColor(LedColor color);
 
         //! Temporary color until next value change
-        void setTemporaryColor(LedColor color);
+        void setTriStateColor(LedColor color);
 
         //! Allows to change the led shape {Circle,Square,Triangle,Rounded rectangle}
         void setShape(LedShape);
@@ -89,30 +95,44 @@ namespace BlackGui
         //! Tool tip
         QString getOffToolTip() const { return m_tooltipOff; }
 
+        //! Tool tip
+        QString getTriStateToolTip() const { return m_tooltipTriState; }
+
         //! Tool tips
-        void setToolTips(const QString &on, const QString &off);
+        void setToolTips(const QString &on, const QString &off, const QString &triState = "tri-state");
 
         //! On tool tip
         void setOnToolTip(const QString &on);
 
-        //! New values
+        //! Off tool tip
+        void setOffToolTip(const QString &off);
+
+        //! Tri-state tool tip
+        void setTriStateToolTip(const QString &triState);
+
+        //! New values dual state
         void setValues(LedColor onColor, LedColor offColor, LedShape shape, const QString &toolTipOn, const QString &toolTipOff, int width = -1);
 
+        //! New values tri-state
+        void setValues(LedColor onColor, LedColor offColor, LedColor triStateColor, LedShape shape, const QString &toolTipOn, const QString &toolTipOff, const QString &toolTipTriState, int width = -1);
+
         //! Render as pixmap, so it can be used with TableViews
         QPixmap asPixmap() const;
 
     protected:
         State m_value = Off;         //!< current value
-        LedColor m_colorOn = Red;    //!< On color
+        LedColor m_colorOn = Yellow; //!< On color
-        LedColor m_colorOff = Grey;  //!< Off color
+        LedColor m_colorOff = Black; //!< Off color
+        LedColor m_colorTriState = Blue; //!< tri-state color
         LedShape m_shape = Circle;   //!< shape
         double m_whRatio = 1.0;      //!< width/height ratio
         int m_widthTarget = -1;      //!< desired width
         int m_heightCalculated = 1;  //!< calculated height
 
-        QString m_tooltipOn;         //!< tooltip when on
+        QString m_tooltipOn = "on";        //!< tooltip when on
-        QString m_tooltipOff;        //!< tooltip when off
+        QString m_tooltipOff = "off";      //!< tooltip when off
-        QString m_currentToolTip;    //!< currently used tooltip
+        QString m_tooltipTriState = "tri-state"; //!< tooltip tri state
+        QString m_currentToolTip = "off";  //!< currently used tooltip
         QScopedPointer<QSvgRenderer> m_renderer; //!< Renderer
 
         //! Paint event