Release 260111

tools/cabana/chart/chart.h

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+#pragma once
+
+#include <tuple>
+#include <utility>
+#include <vector>
+
+#include <QMenu>
+#include <QGraphicsPixmapItem>
+#include <QGraphicsProxyWidget>
+#include <QtCharts/QChartView>
+#include <QtCharts/QLegendMarker>
+#include <QtCharts/QLineSeries>
+#include <QtCharts/QScatterSeries>
+#include <QtCharts/QValueAxis>
+using namespace QtCharts;
+
+#include "tools/cabana/chart/tiplabel.h"
+#include "tools/cabana/dbc/dbcmanager.h"
+#include "tools/cabana/streams/abstractstream.h"
+
+enum class SeriesType {
+  Line = 0,
+  StepLine,
+  Scatter
+};
+
+class ChartsWidget;
+class ChartView : public QChartView {
+  Q_OBJECT
+
+public:
+  ChartView(const std::pair<double, double> &x_range, ChartsWidget *parent = nullptr);
+  void addSignal(const MessageId &msg_id, const cabana::Signal *sig);
+  bool hasSignal(const MessageId &msg_id, const cabana::Signal *sig) const;
+  void updateSeries(const cabana::Signal *sig = nullptr, const MessageEventsMap *msg_new_events = nullptr);
+  void updatePlot(double cur, double min, double max);
+  void setSeriesType(SeriesType type);
+  void updatePlotArea(int left, bool force = false);
+  void showTip(double sec);
+  void hideTip();
+  void startAnimation();
+  double secondsAtPoint(const QPointF &pt) const { return chart()->mapToValue(pt).x(); }
+
+  struct SigItem {
+    MessageId msg_id;
+    const cabana::Signal *sig = nullptr;
+    QXYSeries *series = nullptr;
+    std::vector<QPointF> vals;
+    std::vector<QPointF> step_vals;
+    QPointF track_pt{};
+    SegmentTree segment_tree;
+    double min = 0;
+    double max = 0;
+  };
+
+signals:
+  void axisYLabelWidthChanged(int w);
+
+private slots:
+  void signalUpdated(const cabana::Signal *sig);
+  void manageSignals();
+  void handleMarkerClicked();
+  void msgUpdated(MessageId id);
+  void msgRemoved(MessageId id) { removeIf([=](auto &s) { return s.msg_id.address == id.address && !dbc()->msg(id); }); }
+  void signalRemoved(const cabana::Signal *sig) { removeIf([=](auto &s) { return s.sig == sig; }); }
+
+private:
+  void appendCanEvents(const cabana::Signal *sig, const std::vector<const CanEvent *> &events,
+                       std::vector<QPointF> &vals, std::vector<QPointF> &step_vals);
+  void createToolButtons();
+  void addSeries(QXYSeries *series);
+  void contextMenuEvent(QContextMenuEvent *event) override;
+  void mousePressEvent(QMouseEvent *event) override;
+  void mouseReleaseEvent(QMouseEvent *event) override;
+  void mouseMoveEvent(QMouseEvent *ev) override;
+  void dragEnterEvent(QDragEnterEvent *event) override;
+  void dragLeaveEvent(QDragLeaveEvent *event) override { drawDropIndicator(false); }
+  void dragMoveEvent(QDragMoveEvent *event) override;
+  void dropEvent(QDropEvent *event) override;
+  void resizeEvent(QResizeEvent *event) override;
+  QSize sizeHint() const override;
+  void updateAxisY();
+  void updateTitle();
+  void resetChartCache();
+  void setTheme(QChart::ChartTheme theme);
+  void paintEvent(QPaintEvent *event) override;
+  void drawForeground(QPainter *painter, const QRectF &rect) override;
+  void drawBackground(QPainter *painter, const QRectF &rect) override;
+  void drawDropIndicator(bool draw) { if (std::exchange(can_drop, draw) != can_drop) viewport()->update(); }
+  void drawSignalValue(QPainter *painter);
+  void drawTimeline(QPainter *painter);
+  void drawRubberBandTimeRange(QPainter *painter);
+  std::tuple<double, double, int> getNiceAxisNumbers(qreal min, qreal max, int tick_count);
+  qreal niceNumber(qreal x, bool ceiling);
+  QXYSeries *createSeries(SeriesType type, QColor color);
+  void setSeriesColor(QXYSeries *, QColor color);
+  void updateSeriesPoints();
+  void removeIf(std::function<bool(const SigItem &)> predicate);
+  inline void clearTrackPoints() { for (auto &s : sigs) s.track_pt = {}; }
+
+  int y_label_width = 0;
+  int align_to = 0;
+  QValueAxis *axis_x;
+  QValueAxis *axis_y;
+  QMenu *menu;
+  QAction *split_chart_act;
+  QAction *close_act;
+  QGraphicsPixmapItem *move_icon;
+  QGraphicsProxyWidget *close_btn_proxy;
+  QGraphicsProxyWidget *manage_btn_proxy;
+  TipLabel *tip_label;
+  std::vector<SigItem> sigs;
+  double cur_sec = 0;
+  SeriesType series_type = SeriesType::Line;
+  bool is_scrubbing = false;
+  bool resume_after_scrub = false;
+  QPixmap chart_pixmap;
+  bool can_drop = false;
+  double tooltip_x = -1;
+  QFont signal_value_font;
+  ChartsWidget *charts_widget;
+  friend class ChartsWidget;
+};

tools/cabana/chart/chartswidget.h

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+#pragma once
+
+#include <unordered_map>
+#include <utility>
+
+#include <QGridLayout>
+#include <QLabel>
+#include <QScrollArea>
+#include <QTimer>
+#include <QToolBar>
+#include <QUndoCommand>
+#include <QUndoStack>
+
+#include "tools/cabana/chart/signalselector.h"
+#include "tools/cabana/dbc/dbcmanager.h"
+#include "tools/cabana/streams/abstractstream.h"
+
+const int CHART_MIN_WIDTH = 300;
+const QString CHART_MIME_TYPE = "application/x-cabanachartview";
+
+class ChartView;
+class ChartsWidget;
+
+class ChartsContainer : public QWidget {
+public:
+  ChartsContainer(ChartsWidget *parent);
+  void dragEnterEvent(QDragEnterEvent *event) override;
+  void dropEvent(QDropEvent *event) override;
+  void dragLeaveEvent(QDragLeaveEvent *event) override { drawDropIndicator({}); }
+  void drawDropIndicator(const QPoint &pt) { drop_indictor_pos = pt; update(); }
+  void paintEvent(QPaintEvent *ev) override;
+  ChartView *getDropAfter(const QPoint &pos) const;
+
+  QGridLayout *charts_layout;
+  ChartsWidget *charts_widget;
+  QPoint drop_indictor_pos;
+};
+
+class ChartsWidget : public QFrame {
+  Q_OBJECT
+
+public:
+  ChartsWidget(QWidget *parent = nullptr);
+  void showChart(const MessageId &id, const cabana::Signal *sig, bool show, bool merge);
+  inline bool hasSignal(const MessageId &id, const cabana::Signal *sig) { return findChart(id, sig) != nullptr; }
+
+public slots:
+  void setColumnCount(int n);
+  void removeAll();
+  void timeRangeChanged(const std::optional<std::pair<double, double>> &time_range);
+  void setIsDocked(bool dock);
+
+signals:
+  void toggleChartsDocking();
+  void seriesChanged();
+  void showTip(double seconds);
+
+private:
+  QSize minimumSizeHint() const override;
+  bool event(QEvent *event) override;
+  void alignCharts();
+  void newChart();
+  ChartView *createChart(int pos = 0);
+  void removeChart(ChartView *chart);
+  void splitChart(ChartView *chart);
+  QRect chartVisibleRect(ChartView *chart);
+  void eventsMerged(const MessageEventsMap &new_events);
+  void updateState();
+  void zoomReset();
+  void startAutoScroll();
+  void stopAutoScroll();
+  void doAutoScroll();
+  void updateToolBar();
+  void updateTabBar();
+  void setMaxChartRange(int value);
+  void updateLayout(bool force = false);
+  void settingChanged();
+  void showValueTip(double sec);
+  bool eventFilter(QObject *obj, QEvent *event) override;
+  void newTab();
+  void removeTab(int index);
+  inline QList<ChartView *> &currentCharts() { return tab_charts[tabbar->tabData(tabbar->currentIndex()).toInt()]; }
+  ChartView *findChart(const MessageId &id, const cabana::Signal *sig);
+
+  QLabel *title_label;
+  QLabel *range_lb;
+  LogSlider *range_slider;
+  QAction *range_lb_action;
+  QAction *range_slider_action;
+  bool is_docked = true;
+  ToolButton *dock_btn;
+
+  QToolBar *toolbar;
+  QAction *undo_zoom_action;
+  QAction *redo_zoom_action;
+  QAction *reset_zoom_action;
+  ToolButton *reset_zoom_btn;
+  QUndoStack *zoom_undo_stack;
+
+  ToolButton *remove_all_btn;
+  QList<ChartView *> charts;
+  std::unordered_map<int, QList<ChartView *>> tab_charts;
+  TabBar *tabbar;
+  ChartsContainer *charts_container;
+  QScrollArea *charts_scroll;
+  uint32_t max_chart_range = 0;
+  std::pair<double, double> display_range;
+  QAction *columns_action;
+  int column_count = 1;
+  int current_column_count = 0;
+  int auto_scroll_count = 0;
+  QTimer *auto_scroll_timer;
+  QTimer *align_timer;
+  int current_theme = 0;
+  bool value_tip_visible_ = false;
+  friend class ChartView;
+  friend class ChartsContainer;
+};
+
+class ZoomCommand : public QUndoCommand {
+public:
+  ZoomCommand(std::pair<double, double> range) : range(range), QUndoCommand() {
+    prev_range = can->timeRange();
+    setText(QObject::tr("Zoom to %1-%2").arg(range.first, 0, 'f', 2).arg(range.second, 0, 'f', 2));
+  }
+  void undo() override { can->setTimeRange(prev_range); }
+  void redo() override { can->setTimeRange(range); }
+  std::optional<std::pair<double, double>> prev_range, range;
+};

tools/cabana/chart/signalselector.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <QComboBox>
+#include <QDialog>
+#include <QListWidget>
+
+#include "tools/cabana/dbc/dbcmanager.h"
+
+class SignalSelector : public QDialog {
+public:
+  struct ListItem : public QListWidgetItem {
+    ListItem(const MessageId &msg_id, const cabana::Signal *sig, QListWidget *parent) : msg_id(msg_id), sig(sig), QListWidgetItem(parent) {}
+    MessageId msg_id;
+    const cabana::Signal *sig;
+  };
+
+  SignalSelector(QString title, QWidget *parent);
+  QList<ListItem *> seletedItems();
+  inline void addSelected(const MessageId &id, const cabana::Signal *sig) { addItemToList(selected_list, id, sig, true); }
+
+private:
+  void updateAvailableList(int index);
+  void addItemToList(QListWidget *parent, const MessageId id, const cabana::Signal *sig, bool show_msg_name = false);
+  void add(QListWidgetItem *item);
+  void remove(QListWidgetItem *item);
+
+  QComboBox *msgs_combo;
+  QListWidget *available_list;
+  QListWidget *selected_list;
+};

tools/cabana/chart/sparkline.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <QPixmap>
+#include <QPointF>
+#include <vector>
+
+#include "tools/cabana/dbc/dbc.h"
+#include "tools/cabana/streams/abstractstream.h"
+
+class Sparkline {
+public:
+  void update(const MessageId &msg_id, const cabana::Signal *sig, double last_msg_ts, int range, QSize size);
+  inline double freq() const { return freq_; }
+  bool isEmpty() const { return pixmap.isNull(); }
+
+  QPixmap pixmap;
+  double min_val = 0;
+  double max_val = 0;
+
+private:
+  void render(const QColor &color, int range, QSize size);
+
+  std::vector<QPointF> points;
+  double freq_ = 0;
+};

tools/cabana/chart/tiplabel.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <QLabel>
+
+class TipLabel : public QLabel {
+  Q_OBJECT
+
+public:
+  TipLabel(QWidget *parent = nullptr);
+  void showText(const QPoint &pt, const QString &sec, QWidget *w, const QRect &rect);
+  void paintEvent(QPaintEvent *ev) override;
+};