#2860

- Allow preserving the zoom level. Don't always auto rescale for new variables in plot.

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@25480 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

OMPlot/OMPlotGUI/PlotWindow.cpp

@@ -110,9 +110,16 @@ void PlotWindow::initializePlot(QStringList arguments)
   setCurveStyle(QString(arguments[14]).toInt());
   setLegendPosition(QString(arguments[15]));
   setFooter(QString(arguments[16]));
+  if (QString(arguments[17]) == "true") {
+    setAutoScale(true);
+  } else if (QString(arguments[17]) == "false") {
+    setAutoScale(false);
+  } else {
+    throw PlotException("Invalid input" + arguments[17]);
+  }
   /* read variables */
   QStringList variablesToRead;
-  for(int i = 17; i < arguments.length(); i++)
+  for(int i = 18; i < arguments.length(); i++)
     variablesToRead.append(QString(arguments[i]));
 
   setVariablesList(variablesToRead);
@@ -176,6 +183,13 @@ void PlotWindow::setupToolbar()
   connect(mpPanButton, SIGNAL(toggled(bool)), SLOT(enablePanMode(bool)));
   toolBar->addWidget(mpPanButton);
   toolBar->addSeparator();
+  // Auto scale
+  mpAutoScaleButton = new QToolButton(toolBar);
+  mpAutoScaleButton->setText(tr("Auto Scale"));
+  mpAutoScaleButton->setCheckable(true);
+  connect(mpAutoScaleButton, SIGNAL(toggled(bool)), SLOT(setAutoScale(bool)));
+  toolBar->addWidget(mpAutoScaleButton);
+  toolBar->addSeparator();
   //Fit in View
   QToolButton *fitInViewButton = new QToolButton(toolBar);
   fitInViewButton->setText(tr("Fit in View"));
@@ -1046,6 +1060,13 @@ void PlotWindow::setLogY(bool on)
   mpPlot->replot();
 }
 
+void PlotWindow::setAutoScale(bool on)
+{
+  bool state = mpAutoScaleButton->blockSignals(true);
+  mpAutoScaleButton->setChecked(on);
+  mpAutoScaleButton->blockSignals(state);
+}
+
 void PlotWindow::showSetupDialog()
 {
   SetupDialog *pSetupDialog = new SetupDialog(this);

OMPlot/OMPlotGUI/PlotWindow.h

@@ -63,6 +63,7 @@ class PlotWindow : public QMainWindow
   QToolButton *mpNoGridButton;
   QToolButton *mpZoomButton;
   QToolButton *mpPanButton;
+  QToolButton *mpAutoScaleButton;
   QToolButton *mpSetupButton;
   QTextStream *mpTextStream;
   QFile mFile;
@@ -94,6 +95,7 @@ class PlotWindow : public QMainWindow
   QString getGrid();
   QCheckBox* getLogXCheckBox();
   QCheckBox* getLogYCheckBox();
+  QToolButton* getAutoScaleButton() {return mpAutoScaleButton;}
   void setXLabel(QString label);
   void setYLabel(QString label);
   void setUnit(QString unit) {mUnit = unit;}
@@ -130,6 +132,7 @@ public slots:
   void fitInView();
   void setLogX(bool on);
   void setLogY(bool on);
+  void setAutoScale(bool on);
   void showSetupDialog();
   void showSetupDialog(QString variable);
 };

OMPlot/OMPlotGUI/main.cpp

@@ -64,6 +64,7 @@ void printUsage()
     printf("    --curve-style=STYLE        Sets the STYLE of the curve. SolidLine=1, DashLine=2, DotLine=3, DashDotLine=4, DashDotDotLine=5, Sticks=6, Steps=7\n");
     printf("    --legend-position=POSITION Sets the POSITION of the legend i.e left, right, top, bottom, none\n");
     printf("    --footer=FOOTER            Sets the FOOTER of the plot window\n");
+    printf("    --auto-scale=[true|false]  Use auto scale while plotting.\n");
 }
 
 int main(int argc, char *argv[])
@@ -86,6 +87,7 @@ int main(int argc, char *argv[])
     int curveStyle = 1;
     QString legendPosition = "top";
     QString footer("");
+    bool autoScale = true;
     QStringList vars;
     QString filename;
     for(int i = 1; i < argc; i++)
@@ -139,6 +141,8 @@ int main(int argc, char *argv[])
           legendPosition = argv[i]+18;
         } else if (strncmp(argv[i], "--footer=", 9) == 0) {
           footer = argv[i]+9;
+        } else if (strncmp(argv[i], "--auto-scale=",13) == 0) {
+          CONSUME_BOOL_ARG(i,13,autoScale);
         } else if (strncmp(argv[i], "--", 2) == 0) {
           fprintf(stderr, "Error: Unknown option: %s\n", argv[i]);
           return 1;
@@ -169,6 +173,7 @@ int main(int argc, char *argv[])
     arguments.append(QString::number(curveStyle));
     arguments.append(legendPosition);
     arguments.append(footer);
+    arguments.append(autoScale ? "true" : "false");
     arguments.append(vars);
     // create the plot application object that is used to check that only one instance of application is running
     PlotApplication app(argc, argv, "OMPlot");