tempo-plotter Changeset - 19375fc29267 · protofusion repositories

Changeset - 19375fc29267

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scalezoomer

0 3 2

Hasan Yavuz ÖZDERYA - 10 years ago 2015-08-26 08:44:02
hy@ozderya.net

adding ScalePicker

5 files changed with 144 insertions and 1 deletions:

CMakeLists.txt

plot.cpp

plot.h

scalepicker.cpp

scalepicker.h

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CMakeLists.txt

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@@ @@ -54,24 +54,25 @@ include_directories(${QWT_INCLUDE_DIR}) @@
 # wrap UI files
 qt5_wrap_ui(UI_FILES mainwindow.ui portcontrol.ui about_dialog.ui)
 add_executable(${PROGRAM_NAME} WIN32
   main.cpp
   mainwindow.cpp
   portcontrol.cpp
   customcheckablebutton.cpp
   plot.cpp
   zoomer.cpp
   hidabletabwidget.cpp
   framebuffer.cpp
   scalepicker.cpp
   ${UI_FILES}
   misc/windows_icon.rc
+  )
 # Use the Widgets module from Qt 5.
 target_link_libraries(${PROGRAM_NAME} ${QWT_LIBRARY})
 qt5_use_modules(${PROGRAM_NAME} Widgets SerialPort Svg)
 # set compiler flags
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
 # Enable C++11 support, fail if not supported

plot.cpp

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@@ @@ -12,25 +12,26 @@ @@
   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 "plot.h"
 Plot::Plot(QWidget* parent) :
     QwtPlot(parent),
     zoomer(this->canvas(), false)
     zoomer(this->canvas(), false),
     scalePicker(this->axisWidget(QwtPlot::xBottom))
+{
     isAutoScaled = false;
     QObject::connect(&zoomer, &Zoomer::unzoomed, this, &Plot::unzoomed);
     zoomer.setZoomBase();
     grid.attach(this);
     darkBackground(false);
+}
 void Plot::setAxis(bool autoScaled, double yAxisMin, double yAxisMax)

plot.h

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@@ @@ -14,38 +14,40 @@ @@
   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/>.
 */
 #ifndef PLOT_H
 #define PLOT_H
 #include <qwt_plot.h>
 #include <qwt_plot_grid.h>
 #include "zoomer.h"
 #include "scalepicker.h"
 class Plot : public QwtPlot
+{
     Q_OBJECT
 public:
     Plot(QWidget* parent = 0);
     void setAxis(bool autoScaled, double yMin = 0, double yMax = 1);
 private:
     bool isAutoScaled;
     double yMin, yMax;
     Zoomer zoomer;
     QwtPlotGrid grid;
     ScalePicker scalePicker;
     void resetAxes();
 public slots:
     void showGrid(bool show = true);
     void showMinorGrid(bool show = true);
     void unzoom();
     void darkBackground(bool enabled = true);
 private slots:
     void unzoomed();
 };

scalepicker.cpp

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@@ new file 100644 @@
 /*
   Copyright © 2015 Hasan Yavuz Özderya
   This file is part of serialplot.
   serialplot is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   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 <QEvent>
 #include <QMouseEvent>
 #include <qwt_scale_widget.h>
 #include <qwt_scale_map.h>
 #include <QtDebug>
 #include "scalepicker.h"
 ScalePicker::ScalePicker(QwtScaleWidget* scaleWidget) :
     QObject(scaleWidget)
+{
     scaleWidget->installEventFilter(this);
     _scaleWidget = scaleWidget;
     started = false;
+}
 bool ScalePicker::eventFilter(QObject* object, QEvent* event)
+{
     if (event->type() == QEvent::MouseButtonPress ||
         event->type() == QEvent::MouseButtonRelease ||
         event->type() == QEvent::MouseMove)
+    {
         QMouseEvent* mouseEvent = (QMouseEvent*) event;
         double pos = this->position(mouseEvent);
         if (event->type() == QEvent::MouseButtonPress)
+        {
             started = true;
             firstPos = pos;
             qDebug() << "Pick started:" << firstPos;
             emit pickStarted(pos);
+        }
         else if (event->type() == QEvent::MouseMove)
+        {
             if (started)
+            {
                 qDebug() << "Picking:" << firstPos << pos;
                 emit picking(firstPos, pos);
+            }
+        }
         else // event->type() == QEvent::MouseButtonRelease
+        {
             if (started)
+            {
                 started = false;
                 qDebug() << "Picked:" << firstPos << pos;
                 emit picked(firstPos, pos);
+            }
+        }
         return true;
+    }
     else
+    {
         return QObject::eventFilter(object, event);
+    }
+}
 double ScalePicker::position(QMouseEvent* mouseEvent)
+{
     // capture and convert the position of the click to the plot coordinates
     double pos;
     if (_scaleWidget->alignment() == QwtScaleDraw::BottomScale ||
         _scaleWidget->alignment() == QwtScaleDraw::TopScale)
+    {
         pos = mouseEvent->pos().x();
+    }
     else // left or right scale
+    {
         pos = mouseEvent->pos().y();
+    }
     pos = _scaleWidget->scaleDraw()->scaleMap().invTransform(pos);
     return pos;
+}

scalepicker.h

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@@ new file 100644 @@
 /*
   Copyright © 2015 Hasan Yavuz Özderya
   This file is part of serialplot.
   serialplot is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   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/>.
 */
 #ifndef SCALEPICKER_H
 #define SCALEPICKER_H
 #include <QObject>
 #include <QMouseEvent>
 #include <qwt_scale_widget.h>
 class ScalePicker : public QObject
+{
     Q_OBJECT
 public:
     ScalePicker(QwtScaleWidget* scaleWidget);
     virtual bool eventFilter(QObject*, QEvent*);
 signals:
     void pickStarted(double pos);
     void picking(double firstPos, double lastPos);
     void picked(double firstPos, double lastPos);
 private:
     QwtScaleWidget* _scaleWidget;
     double position(QMouseEvent*); // returns the mouse position relative to plot coordinates
     bool started;
     double firstPos;
 };
 #endif // SCALEPICKER_H

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