AllPlot Zooming Cosmetics

.. slider removed as it was ugly

.. handles are placed on the same side as the axis
   being manipulated, since its irritating to click
   on an axis then have to move mouse to the other
   side of the chart

qxt/src/qxtspanslider.cpp

@@ -43,7 +43,8 @@ QxtSpanSliderPrivate::QxtSpanSliderPrivate() :
         upperPressed(QStyle::SC_None),
         movement(QxtSpanSlider::FreeMovement),
         firstMovement(false),
-        blockTracking(false)
+        blockTracking(false),
+        showRail(true)
 {
 }
 
@@ -488,6 +489,19 @@ void QxtSpanSlider::setSpan(int lower, int upper)
     }
 }
 
+bool QxtSpanSlider::showRail() const
+{
+    return qxt_d().showRail;
+}
+
+void QxtSpanSlider::setShowRail(bool showrail)
+{
+    // set and hide
+    if (qxt_d().showRail != showrail) {
+        qxt_d().showRail = showrail;
+        update();
+    }
+}
 /*!
     \property QxtSpanSlider::lowerPosition
     \brief the lower position of the span
@@ -701,17 +715,22 @@ void QxtSpanSlider::paintEvent(QPaintEvent* event)
     Q_UNUSED(event);
     QStylePainter painter(this);
 
-    // ticks
     QStyleOptionSlider opt;
-    qxt_d().initStyleOption(&opt);
-    opt.subControls = QStyle::SC_SliderTickmarks;
-    painter.drawComplexControl(QStyle::CC_Slider, opt);
 
-    // groove
-    opt.sliderValue = 0;
-    opt.sliderPosition = 0;
-    opt.subControls = QStyle::SC_SliderGroove;
-    painter.drawComplexControl(QStyle::CC_Slider, opt);
+    //no rail wanted, just the handles
+    if (qxt_d().showRail) {
+
+        // ticks
+        qxt_d().initStyleOption(&opt);
+        opt.subControls = QStyle::SC_SliderTickmarks;
+        painter.drawComplexControl(QStyle::CC_Slider, opt);
+
+        // groove
+        opt.sliderValue = 0;
+        opt.sliderPosition = 0;
+        opt.subControls = QStyle::SC_SliderGroove;
+        painter.drawComplexControl(QStyle::CC_Slider, opt);
+    }
 
     // handle rects
     opt.sliderPosition = qxt_d().lowerPos;
@@ -730,7 +749,9 @@ void QxtSpanSlider::paintEvent(QPaintEvent* event)
         spanRect = QRect(QPoint(minv, c.y() - 2), QPoint(maxv, c.y() + 1));
     else
         spanRect = QRect(QPoint(c.x() - 2, minv), QPoint(c.x() + 1, maxv));
-    qxt_d().drawSpan(&painter, spanRect);
+
+    // we don't want a groove
+    if (qxt_d().showRail) qxt_d().drawSpan(&painter, spanRect);
 
     // handles
     switch (qxt_d().lastPressed)

qxt/src/qxtspanslider.h

@@ -39,6 +39,7 @@ class QXT_GUI_EXPORT QxtSpanSlider : public QSlider
     Q_PROPERTY(int upperValue READ upperValue WRITE setUpperValue)
     Q_PROPERTY(int lowerPosition READ lowerPosition WRITE setLowerPosition)
     Q_PROPERTY(int upperPosition READ upperPosition WRITE setUpperPosition)
+    Q_PROPERTY(bool showRail READ showRail WRITE setShowRail)
     Q_PROPERTY(HandleMovementMode handleMovementMode READ handleMovementMode WRITE setHandleMovementMode)
     Q_ENUMS(HandleMovementMode)
 
@@ -70,6 +71,8 @@ public:
     int lowerPosition() const;
     int upperPosition() const;
 
+    bool showRail() const;
+
 public Q_SLOTS:
     void setLowerValue(int lower);
     void setUpperValue(int upper);
@@ -78,6 +81,8 @@ public Q_SLOTS:
     void setLowerPosition(int lower);
     void setUpperPosition(int upper);
 
+    void setShowRail(bool);
+
 Q_SIGNALS:
     void spanChanged(int lower, int upper);
     void lowerValueChanged(int lower);

qxt/src/qxtspanslider_p.h

@@ -66,6 +66,7 @@ public:
     QxtSpanSlider::HandleMovementMode movement;
     bool firstMovement;
     bool blockTracking;
+    bool showRail;
 
 public Q_SLOTS:
     void updateRange(int min, int max);

src/AllPlot.h

@@ -70,6 +70,9 @@ class CurveColors : public QObject
         CurveColors(QwtPlot *plot) : isolated(false), plot(plot) {
             saveState();
 
+            QPalette matchCanvas;
+            matchCanvas.setColor(QPalette::Button, GColor(CRIDEPLOTBACKGROUND));
+
             // span slider appears when curve isolated
             // to enable zooming in and out
             slider = new QxtSpanSlider(Qt::Vertical, plot);
@@ -77,6 +80,9 @@ class CurveColors : public QObject
             slider->setHandleMovementMode(QxtSpanSlider::NoOverlapping);
             slider->setMinimum(0);
             slider->setMaximum(100); // %age
+            slider->setShowRail(false); // no rail please
+            slider->setPalette(matchCanvas); // don't stand out so much
+
 #ifdef Q_OS_MAC
             // BUG in QMacStyle and painting of spanSlider
             // so we use a plain style to avoid it, but only
@@ -199,7 +205,12 @@ class CurveColors : public QObject
 
                     if (showslider && c.key()->yAxis() == id) {
 
-                        slider->move(plot->canvas()->pos().x(), 10);
+                        if (c.key()->yAxis().pos == QwtAxis::yLeft)
+                            slider->move(plot->canvas()->pos().x(), 10);
+                        else
+                            slider->move(plot->canvas()->pos().x() +
+                                         plot->canvas()->width() - slider->width(), 10);
+
                         slider->setLowerValue(0);
                         slider->setUpperValue(100);
                         slider->setFixedHeight(plot->canvas()->height()-20);