tempo-plotter Changeset - b0ad4149e405 · protofusion repositories

Changeset - b0ad4149e405

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scalezoomer

0 4 0

Hasan Yavuz ÖZDERYA - 10 years ago 2015-08-26 11:11:37
hy@ozderya.net

show rectange for bottom scale zoomer

4 files changed with 37 insertions and 1 deletions:

plot.cpp

plot.h

scalezoomer.cpp

scalezoomer.h

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plot.cpp

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@@ @@ -14,26 +14,29 @@ @@
   GNU General Public License for more details.
   You should have received a copy of the GNU General Public License
   along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include <QRectF>
 #include "plot.h"
 Plot::Plot(QWidget* parent) :
     QwtPlot(parent),
     zoomer(this->canvas(), false),
     sZoomer(this, &zoomer)
+{
     isAutoScaled = false;
     QObject::connect(&zoomer, &Zoomer::unzoomed, this, &Plot::unzoomed);
     zoomer.setZoomBase();
     grid.attach(this);
     rectItem.setRect(QRectF(0,0,100,1));
     // rectItem.attach(this);
     darkBackground(false);
+}
 void Plot::setAxis(bool autoScaled, double yAxisMin, double yAxisMax)
+{
     this->isAutoScaled = autoScaled;

plot.h

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@@ @@ -19,12 +19,13 @@ @@
 #ifndef PLOT_H
 #define PLOT_H
 #include <qwt_plot.h>
 #include <qwt_plot_grid.h>
 #include <qwt_plot_shapeitem.h>
 #include "zoomer.h"
 #include "scalezoomer.h"
 class Plot : public QwtPlot
+{
     Q_OBJECT
@@ @@ -36,12 +37,13 @@ public: @@
 private:
     bool isAutoScaled;
     double yMin, yMax;
     Zoomer zoomer;
     ScaleZoomer sZoomer;
     QwtPlotGrid grid;
     QwtPlotShapeItem rectItem;
     void resetAxes();
 public slots:
     void showGrid(bool show = true);
     void showMinorGrid(bool show = true);

scalezoomer.cpp

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@@ @@ -25,16 +25,41 @@ ScaleZoomer::ScaleZoomer(QwtPlot* plot, @@
     QObject(plot),
     bottomPicker(plot->axisWidget(QwtPlot::xBottom)),
     leftPicker(plot->axisWidget(QwtPlot::yLeft))
+{
     _plot = plot;
     _zoomer = zoomer;
     connect(&bottomPicker, &ScalePicker::pickStarted, this, &ScaleZoomer::bottomPickStarted);
     connect(&bottomPicker, &ScalePicker::picking, this, &ScaleZoomer::bottomPicking);
     connect(&bottomPicker, &ScalePicker::picked, this, &ScaleZoomer::bottomPicked);
     connect(&leftPicker, &ScalePicker::picked, this, &ScaleZoomer::leftPicked);
+}
 void ScaleZoomer::bottomPickStarted(double firstPos)
+{
     double yMin = _plot->axisScaleDiv(QwtPlot::yLeft).lowerBound();
     double yMax = _plot->axisScaleDiv(QwtPlot::yLeft).upperBound();
     rectShape.setRect(QRectF(firstPos, yMin, 2, yMax-yMin));
     rectShape.attach(_plot);
     _plot->replot();
+}
 void ScaleZoomer::bottomPicking(double firstPos, double lastPos)
+{
     double yMin = _plot->axisScaleDiv(QwtPlot::yLeft).lowerBound();
     double yMax = _plot->axisScaleDiv(QwtPlot::yLeft).upperBound();
     if (lastPos > firstPos) {
         rectShape.setRect(QRectF(firstPos, yMin, lastPos-firstPos, yMax-yMin));
+    }
     else
+    {
         rectShape.setRect(QRectF(lastPos, yMin, firstPos-lastPos, yMax-yMin));
+    }
     _plot->replot();
+}
 void ScaleZoomer::bottomPicked(double firstPos, double lastPos)
+{
     QRectF zRect;
     if (lastPos > firstPos)
+    {
         zRect.setLeft(firstPos);
@@ @@ -46,12 +71,14 @@ void ScaleZoomer::bottomPicked(double fi @@
         zRect.setRight(firstPos);
+    }
     zRect.setBottom(_plot->axisScaleDiv(QwtPlot::yLeft).lowerBound());
     zRect.setTop(_plot->axisScaleDiv(QwtPlot::yLeft).upperBound());
     _zoomer->zoom(zRect);
     rectShape.detach();
     _plot->replot();
+}
 void ScaleZoomer::leftPicked(double firstPos, double lastPos)
+{
     QRectF zRect;
     if (lastPos > firstPos)

scalezoomer.h

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@@ @@ -20,12 +20,13 @@ @@
 #ifndef SCALEZOOMER_H
 #define SCALEZOOMER_H
 #include <QObject>
 #include <qwt_plot.h>
 #include <qwt_plot_zoomer.h>
 #include <qwt_plot_shapeitem.h>
 #include "scalepicker.h"
 class ScaleZoomer : public QObject
+{
     Q_OBJECT
@@ @@ -36,13 +37,16 @@ public: @@
 private:
     QwtPlot* _plot;
     QwtPlotZoomer* _zoomer;
     ScalePicker bottomPicker;
     ScalePicker leftPicker;
     QwtPlotShapeItem rectShape;
 private slots:
     void bottomPickStarted(double firstPos);
     void bottomPicked(double firstPos, double lastPos);
     void bottomPicking(double firstPos, double lastPos);
     void leftPicked(double firstPos, double lastPos);
 };
 #endif /* SCALEZOOMER_H */

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