tempo-plotter Changeset - 09bde1185cf5 · protofusion repositories

Changeset - 09bde1185cf5

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Hasan Yavuz ÖZDERYA - 10 years ago 2015-11-07 16:34:28
hy@ozderya.net

disable snapping with shift key

1 file changed with 8 insertions and 5 deletions:

scalepicker.cpp

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scalepicker.cpp

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@@ @@ -81,55 +81,58 @@ void ScaleOverlay::drawOverlay(QPainter* @@
 ScalePicker::ScalePicker(QwtScaleWidget* scaleWidget, QWidget* canvas) :
     QObject(scaleWidget)
+{
     _scaleWidget = scaleWidget;
     _canvas = canvas;
     scaleWidget->installEventFilter(this);
     scaleWidget->setMouseTracking(true);
     pickerOverlay = new PlotOverlay(canvas, this);
     scaleOverlay = new ScaleOverlay(scaleWidget, this);
     started = false;
     pressed = false;
+}
 bool ScalePicker::eventFilter(QObject* object, QEvent* event)
+{
     if (event->type() == QEvent::MouseButtonPress ||
         event->type() == QEvent::MouseButtonRelease ||
         event->type() == QEvent::MouseMove)
+    {
         updateSnapPoints();
         QMouseEvent* mouseEvent = (QMouseEvent*) event;
         double posPx = this->positionPx(mouseEvent);
         // do snapping
         for (double sp : snapPoints)
         // do snapping unless Shift is pressed
         if (! (mouseEvent->modifiers() & Qt::ShiftModifier))
+        {
-            if (fabs(posPx-sp) <= SNAP_DISTANCE)
+            for (double sp : snapPoints)
+            {
                 posPx = sp;
                 break;
                 if (fabs(posPx-sp) <= SNAP_DISTANCE)
+                {
                     posPx = sp;
                     break;
+                }
+            }
+        }
         double pos = this->position(posPx);
         currentPosPx = posPx;
         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)
+            {

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