the Free Software Foundation, either version 3 of the License, or

  (at your option) any later version.

  serialplot is distributed in the hope that it will be useful,

  but WITHOUT ANY WARRANTY; without even the implied warranty of

  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  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 <QtDebug>

#include "scalezoomer.h"

ScaleZoomer::ScaleZoomer(QwtPlot* plot, QwtPlotZoomer* zoomer) :

    QObject(plot),

    bottomPicker(plot->axisWidget(QwtPlot::xBottom)),

    leftPicker(plot->axisWidget(QwtPlot::yLeft))

{

    _plot = plot;

    _zoomer = zoomer;

    connect(&bottomPicker, &ScalePicker::picked, this, &ScaleZoomer::bottomPicked);

    connect(&leftPicker, &ScalePicker::picked, this, &ScaleZoomer::leftPicked);

}

void ScaleZoomer::bottomPicked(double firstPos, double lastPos)

{

    QRectF zRect;

    if (lastPos > firstPos)

    {

        zRect.setLeft(firstPos);

        zRect.setRight(lastPos);

    }

    else

    {

        zRect.setLeft(lastPos);

        zRect.setRight(firstPos);

    }

    zRect.setBottom(_plot->axisScaleDiv(QwtPlot::yLeft).lowerBound());

    zRect.setTop(_plot->axisScaleDiv(QwtPlot::yLeft).upperBound());

    _zoomer->zoom(zRect);

}

void ScaleZoomer::leftPicked(double firstPos, double lastPos)

{

}