tempo-plotter Changeset - abd420a32445 · protofusion repositories

Changeset - abd420a32445

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Hasan Yavuz ÖZDERYA - 9 years ago 2017-02-24 15:52:54
hy@ozderya.net

fill scale picker selection rectangle with transparent color

1 file changed with 5 insertions and 0 deletions:

src/scalepicker.cpp

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src/scalepicker.cpp

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@@ @@ -121,100 +121,105 @@ bool ScalePicker::eventFilter(QObject* o @@
         if (event->type() == QEvent::MouseButtonPress &&
             mouseEvent->button() == Qt::LeftButton)
+        {
             pressed = true; // not yet started
             firstPos = pos;
             firstPosPx = posPx;
+        }
         else if (event->type() == QEvent::MouseMove)
+        {
             // make sure pick size is big enough, so that just
             // clicking won't trigger pick
             if (!started && pressed && (fabs(posPx-firstPosPx) > MIN_PICK_SIZE))
+            {
                 started = true;
                 emit pickStarted(pos);
+            }
             else if (started)
+            {
                 pickerOverlay->updateOverlay();
                 emit picking(firstPos, pos);
+            }
             scaleOverlay->updateOverlay();
+        }
         else // event->type() == QEvent::MouseButtonRelease
+        {
             pressed = false;
             if (started)
+            {
                 // finalize
                 started = false;
                 emit picked(firstPos, pos);
+            }
+        }
         return true;
+    }
     else if (event->type() == QEvent::Leave)
+    {
         scaleOverlay->updateOverlay();
         return true;
+    }
     else
+    {
         return QObject::eventFilter(object, event);
+    }
+}
 void ScalePicker::drawPlotOverlay(QPainter* painter)
+{
     const double FILL_ALPHA = 0.2;
     if (started)
+    {
         painter->save();
         painter->setPen(_pen);
         QColor color = _pen.color();
         color.setAlphaF(FILL_ALPHA);
         painter->setBrush(color);
         QRect rect;
         if (_scaleWidget->alignment() == QwtScaleDraw::BottomScale ||
             _scaleWidget->alignment() == QwtScaleDraw::TopScale)
+        {
             int height = painter->device()->height();
             rect = QRect(posCanvasPx(firstPosPx), 0, currentPosPx-firstPosPx, height);
+        }
         else // vertical
+        {
             int width = painter->device()->width();
             rect = QRect(0, posCanvasPx(firstPosPx), width, currentPosPx-firstPosPx);
+        }
         painter->drawRect(rect);
         painter->restore();
+    }
+}
 void ScalePicker::drawScaleOverlay(QPainter* painter)
+{
     painter->save();
     // rotate & adjust coordinate system for vertical drawing
     if (_scaleWidget->alignment() == QwtScaleDraw::LeftScale ||
         _scaleWidget->alignment() == QwtScaleDraw::RightScale) // vertical
+    {
         int width = painter->device()->width();
         painter->rotate(90);
         painter->translate(0, -width);
+    }
     // draw the indicators
     if (started) drawTriangle(painter, firstPosPx);
     if (started || _scaleWidget->underMouse())
+    {
         drawTriangle(painter, currentPosPx);
+    }
     painter->restore();
+}
 void ScalePicker::drawTriangle(QPainter* painter, int position)
+{
     const double tan60 = 1.732;
     const double trsize = 10;
     const int TRIANGLE_NUM_POINTS = 3;
     const int MARGIN = 2;
     const QPointF points[TRIANGLE_NUM_POINTS] =

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