Cabana: add chart_height setting (#26066)

add chart_height setting

tools/cabana/canmessages.cc

@@ -141,11 +141,14 @@ void Settings::save() {
   s.setValue("fps", fps);
   s.setValue("log_size", can_msg_log_size);
   s.setValue("cached_segment", cached_segment_limit);
+  s.setValue("chart_height", chart_height);
+  emit changed();
 }
 
 void Settings::load() {
   QSettings s("settings", QSettings::IniFormat);
   fps = s.value("fps", 10).toInt();
   can_msg_log_size = s.value("log_size", 100).toInt();
-  cached_segment_limit = s.value("cached_segment", 3.).toInt();
+  cached_segment_limit = s.value("cached_segment", 3).toInt();
+  chart_height = s.value("chart_height", 200).toInt();
 }

tools/cabana/canmessages.h

@@ -19,6 +19,7 @@ public:
   int fps = 10;
   int can_msg_log_size = 100;
   int cached_segment_limit = 3;
+  int chart_height = 200;
 
 signals:
   void changed();

tools/cabana/chartswidget.cc

@@ -76,6 +76,11 @@ ChartsWidget::ChartsWidget(QWidget *parent) : QWidget(parent) {
     docking = !docking;
     updateTitleBar();
   });
+  QObject::connect(&settings, &Settings::changed, [this]() {
+    for (auto chart : charts) {
+      chart->setHeight(settings.chart_height);
+    }
+  });
 }
 
 void ChartsWidget::updateTitleBar() {
@@ -152,7 +157,7 @@ ChartWidget::ChartWidget(const QString &id, const Signal *sig, QWidget *parent)
   main_layout->addWidget(header);
 
   chart_view = new ChartView(id, sig, this);
-  chart_view->setFixedHeight(300);
+  chart_view->setFixedHeight(settings.chart_height);
   main_layout->addWidget(chart_view);
   main_layout->addStretch();
 
@@ -205,6 +210,10 @@ ChartView::ChartView(const QString &id, const Signal *sig, QWidget *parent)
   updateSeries();
 }
 
+void ChartWidget::setHeight(int height) {
+  chart_view->setFixedHeight(height);
+}
+
 void ChartView::updateState() {
   auto axis_x = dynamic_cast<QValueAxis *>(chart()->axisX());
   int x = chart()->plotArea().left() + chart()->plotArea().width() * (can->currentSec() - axis_x->min()) / (axis_x->max() - axis_x->min());

tools/cabana/chartswidget.h

@@ -46,6 +46,7 @@ Q_OBJECT
 public:
   ChartWidget(const QString &id, const Signal *sig, QWidget *parent);
   void updateTitle();
+  void setHeight(int height);
 
 signals:
   void remove();

tools/cabana/mainwin.cc

@@ -96,6 +96,12 @@ SettingsDlg::SettingsDlg(QWidget *parent) : QDialog(parent) {
   cached_segment->setValue(settings.cached_segment_limit);
   form_layout->addRow(tr("Cached segments limit"), cached_segment);
 
+  chart_height = new QSpinBox(this);
+  chart_height->setRange(100, 500);
+  chart_height->setSingleStep(10);
+  chart_height->setValue(settings.chart_height);
+  form_layout->addRow(tr("Chart height"), chart_height);
+
   main_layout->addLayout(form_layout);
 
   auto buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
@@ -110,6 +116,7 @@ void SettingsDlg::save() {
   settings.fps = fps->value();
   settings.can_msg_log_size = log_size->value();
   settings.cached_segment_limit = cached_segment->value();
+  settings.chart_height = chart_height->value();
   settings.save();
   accept();
 }

tools/cabana/mainwin.h

@@ -33,4 +33,5 @@ public:
   QSpinBox *fps;
   QSpinBox *log_size ;
   QSpinBox *cached_segment;
+  QSpinBox *chart_height;
 };