tempo-plotter Changeset - 754420135f22 · protofusion repositories

Changeset - 754420135f22

Parent rev.

Child rev.

[Not reviewed]

default

0 2 0

Hasan Yavuz ÖZDERYA - 9 years ago 2017-04-13 14:34:19
hy@ozderya.net

fancy zoom rubberband background

2 files changed with 26 insertions and 0 deletions:

src/zoomer.cpp

src/zoomer.h

0 comments (0 inline, 0 general)

src/zoomer.cpp

➞

Show inline comments

@@ @@ -52,24 +52,46 @@ void Zoomer::zoom( const QRectF & rect) @@
     ScrollZoomer::zoom(rect);
+}
 QwtText Zoomer::trackerTextF(const QPointF& pos) const
+{
     QwtText b = ScrollZoomer::trackerTextF(pos);
     const QPolygon pa = selection();
     if (pa.count() < 2)
+    {
         return b;
+    }
     const QRectF rect = invTransform(QRect(pa.first(), pa.last()).normalized());
     QString sizeText = QString(" [%1, %2]").\
         arg(rect.width(), 0, 'g', 4).\
         arg(rect.height(), 0, 'g', 4);
     b.setText(b.text() + sizeText);
     return b;
+}
 void Zoomer::drawRubberBand(QPainter* painter) const
+{
     const double FILL_ALPHA = 0.2;
     QColor color = painter->pen().color();
     color.setAlphaF(FILL_ALPHA);
     painter->setBrush(color);
     ScrollZoomer::drawRubberBand(painter);
+}
 QRegion Zoomer::rubberBandMask() const
+{
     const QPolygon pa = selection();
     if (pa.count() < 2)
+    {
         return QRegion();
+    }
     const QRect r = QRect(pa.first(), pa.last()).normalized().adjusted(0, 0, 1, 1);
     return QRegion(r);
+}

src/zoomer.h

➞

Show inline comments

@@ @@ -16,27 +16,31 @@ @@
   You should have received a copy of the GNU General Public License
   along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 */
 #ifndef ZOOMER_H
 #define ZOOMER_H
 #include <scrollzoomer.h>
 class Zoomer : public ScrollZoomer
+{
     Q_OBJECT
 public:
     Zoomer(QWidget *, bool doReplot=true);
     void zoom(int up);
     void zoom( const QRectF & );
 signals:
     void unzoomed();
 protected:
     /// Re-implemented to display selection size in the tracker text.
     QwtText trackerTextF(const QPointF &pos) const;
     /// Re-implemented for alpha background
     void drawRubberBand(QPainter* painter) const;
     /// Re-implemented for alpha background (masking is basically disabled)
     QRegion rubberBandMask() const;
 };
 #endif // ZOOMER_H

0 comments (0 inline, 0 general)