Cabana: make whole DetailWidget scrollable (#26340)

old-commit-hash: b25e56925c

tools/cabana/binaryview.cc

@@ -20,15 +20,12 @@ BinaryView::BinaryView(QWidget *parent) : QTableView(parent) {
   setItemDelegate(delegate);
   horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
   horizontalHeader()->hide();
-  verticalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
   setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-  setMouseTracking(true);
+  setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+  setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
+  setFrameShape(QFrame::NoFrame);
   setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
-}
-
-QSize BinaryView::sizeHint() const {
-  QSize sz = QTableView::sizeHint();
-  return {sz.width(), model->rowCount() <= 8 ? ((CELL_HEIGHT + 1) * model->rowCount() + 2) : sz.height()};
+  setMouseTracking(true);
 }
 
 void BinaryView::highlight(const Signal *sig) {

tools/cabana/binaryview.h

@@ -61,7 +61,6 @@ public:
   void highlight(const Signal *sig);
   const Signal *hoveredSignal() const { return hovered_sig; }
   QSet<const Signal*> getOverlappingSignals() const;
-  QSize sizeHint() const override;
 
 signals:
   void signalHovered(const Signal *sig);

tools/cabana/detailwidget.cc

@@ -4,7 +4,9 @@
 #include <QFormLayout>
 #include <QMenu>
 #include <QMessageBox>
+#include <QScrollBar>
 #include <QTimer>
+#include <QVBoxLayout>
 
 #include "selfdrive/ui/qt/util.h"
 #include "tools/cabana/canmessages.h"
@@ -13,18 +15,10 @@
 // DetailWidget
 
 DetailWidget::DetailWidget(ChartsWidget *charts, QWidget *parent) : charts(charts), QWidget(parent) {
-  main_layout = new QHBoxLayout(this);
+  QVBoxLayout *main_layout = new QVBoxLayout(this);
   main_layout->setContentsMargins(0, 0, 0, 0);
+  main_layout->setSpacing(0);
 
-  right_column = new QVBoxLayout();
-  main_layout->addLayout(right_column);
-
-  binary_view_container = new QWidget(this);
-  binary_view_container->setMinimumWidth(500);
-  binary_view_container->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
-  QVBoxLayout *bin_layout = new QVBoxLayout(binary_view_container);
-  bin_layout->setContentsMargins(0, 0, 0, 0);
-  bin_layout->setSpacing(0);
    // tabbar
   tabbar = new QTabBar(this);
   tabbar->setTabsClosable(true);
@@ -32,19 +26,15 @@ DetailWidget::DetailWidget(ChartsWidget *charts, QWidget *parent) : charts(chart
   tabbar->setUsesScrollButtons(true);
   tabbar->setAutoHide(true);
   tabbar->setContextMenuPolicy(Qt::CustomContextMenu);
-  bin_layout->addWidget(tabbar);
+  main_layout->addWidget(tabbar);
 
-  TitleFrame *title_frame = new TitleFrame(this);
+  QFrame *title_frame = new QFrame(this);
+  QVBoxLayout *frame_layout = new QVBoxLayout(title_frame);
   title_frame->setFrameShape(QFrame::StyledPanel);
   title_frame->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
-  QVBoxLayout *frame_layout = new QVBoxLayout(title_frame);
 
   // message title
   QHBoxLayout *title_layout = new QHBoxLayout();
-  split_btn = new QPushButton("⬅", this);
-  split_btn->setFixedSize(20, 20);
-  split_btn->setToolTip(tr("Split to two columns"));
-  title_layout->addWidget(split_btn);
   title_layout->addWidget(new QLabel("time:"));
   time_label = new QLabel(this);
   time_label->setStyleSheet("font-weight:bold");
@@ -62,6 +52,7 @@ DetailWidget::DetailWidget(ChartsWidget *charts, QWidget *parent) : charts(chart
   // warning
   warning_widget = new QWidget(this);
   QHBoxLayout *warning_hlayout = new QHBoxLayout(warning_widget);
+  warning_hlayout->setContentsMargins(0, 0, 0, 0);
   QLabel *warning_icon = new QLabel(this);
   warning_icon->setPixmap(style()->standardPixmap(QStyle::SP_MessageBoxWarning));
   warning_hlayout->addWidget(warning_icon, 0, Qt::AlignTop);
@@ -69,30 +60,33 @@ DetailWidget::DetailWidget(ChartsWidget *charts, QWidget *parent) : charts(chart
   warning_hlayout->addWidget(warning_label, 1, Qt::AlignLeft);
   warning_widget->hide();
   frame_layout->addWidget(warning_widget);
-  bin_layout->addWidget(title_frame);
+  main_layout->addWidget(title_frame);
+
+  QWidget *container = new QWidget(this);
+  QVBoxLayout *container_layout = new QVBoxLayout(container);
+  container_layout->setSpacing(0);
+  container_layout->setContentsMargins(0, 0, 0, 0);
+
+  scroll = new QScrollArea(this);
+  scroll->setWidget(container);
+  scroll->setWidgetResizable(true);
+  scroll->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+  main_layout->addWidget(scroll);
 
   // binary view
   binary_view = new BinaryView(this);
-  bin_layout->addWidget(binary_view);
-  right_column->addWidget(binary_view_container);
+  container_layout->addWidget(binary_view);
 
   // signals
   signals_container = new QWidget(this);
   signals_container->setLayout(new QVBoxLayout);
   signals_container->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Maximum);
-
-  scroll = new ScrollArea(this);
-  scroll->setWidget(signals_container);
-  scroll->setWidgetResizable(true);
-  scroll->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-  right_column->addWidget(scroll);
+  container_layout->addWidget(signals_container);
 
   // history log
   history_log = new HistoryLog(this);
-  right_column->addWidget(history_log);
+  container_layout->addWidget(history_log);
 
-  QObject::connect(split_btn, &QPushButton::clicked, this, &DetailWidget::moveBinaryView);
-  QObject::connect(title_frame, &TitleFrame::doubleClicked, this, &DetailWidget::moveBinaryView);
   QObject::connect(edit_btn, &QPushButton::clicked, this, &DetailWidget::editMsg);
   QObject::connect(binary_view, &BinaryView::resizeSignal, this, &DetailWidget::resizeSignal);
   QObject::connect(binary_view, &BinaryView::addSignal, this, &DetailWidget::addSignal);
@@ -146,6 +140,8 @@ void DetailWidget::setMessage(const QString &message_id) {
   tabbar->setCurrentIndex(index);
   msg_id = message_id;
   dbcMsgChanged();
+
+  scroll->verticalScrollBar()->setValue(0);
 }
 
 void DetailWidget::dbcMsgChanged(int show_form_idx) {
@@ -201,29 +197,14 @@ void DetailWidget::updateState() {
   history_log->updateState();
 }
 
-void DetailWidget::moveBinaryView() {
-  if (binview_in_left_col) {
-    right_column->insertWidget(0, binary_view_container);
-    emit binaryViewMoved(true);
-  } else {
-    main_layout->insertWidget(0, binary_view_container);
-    emit binaryViewMoved(false);
-  }
-  split_btn->setText(binview_in_left_col ? "⬅" : "➡");
-  split_btn->setToolTip(binview_in_left_col ? tr("Split to two columns") : tr("Move back"));
-  binary_view->updateGeometry();
-  binview_in_left_col = !binview_in_left_col;
-}
-
 void DetailWidget::showForm() {
   SignalEdit *sender = qobject_cast<SignalEdit *>(QObject::sender());
   for (auto f : signals_container->findChildren<SignalEdit *>()) {
     f->setFormVisible(f == sender && !f->isFormVisible());
-    if (f == sender) {
+    if (f == sender)
       QTimer::singleShot(0, [=]() { scroll->ensureWidgetVisible(f); });
   }
 }
-}
 
 void DetailWidget::updateChartState(const QString &id, const Signal *sig, bool opened) {
   if (id == msg_id) {
@@ -322,19 +303,3 @@ EditMessageDialog::EditMessageDialog(const QString &msg_id, const QString &title
   connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
   connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
 }
-
-// ScrollArea
-
-bool ScrollArea::eventFilter(QObject *obj, QEvent *ev) {
-  if (obj == widget() && ev->type() == QEvent::Resize) {
-    int height = widget()->height() + 4;
-    setMinimumHeight(height > 480 ? 480 : height);
-    setMaximumHeight(height);
-  }
-  return QScrollArea::eventFilter(obj, ev);
-}
-
-void ScrollArea::setWidget(QWidget *w) {
-  QScrollArea::setWidget(w);
-  w->installEventFilter(this);
-}

tools/cabana/detailwidget.h

@@ -2,22 +2,12 @@
 
 #include <QScrollArea>
 #include <QTabBar>
-#include <QVBoxLayout>
 
 #include "tools/cabana/binaryview.h"
 #include "tools/cabana/chartswidget.h"
 #include "tools/cabana/historylog.h"
 #include "tools/cabana/signaledit.h"
 
-class TitleFrame : public QFrame {
-  Q_OBJECT
-public:
-  TitleFrame(QWidget *parent) : QFrame(parent) {}
-  void mouseDoubleClickEvent(QMouseEvent *e) { emit doubleClicked(); }
-signals:
-  void doubleClicked();
-};
-
 class EditMessageDialog : public QDialog {
   Q_OBJECT
 
@@ -28,15 +18,6 @@ public:
   QSpinBox *size_spin;
 };
 
-class ScrollArea : public QScrollArea {
-  Q_OBJECT
-
-public:
-  ScrollArea(QWidget *parent) : QScrollArea(parent) {}
-  bool eventFilter(QObject *obj, QEvent *ev) override;
-  void setWidget(QWidget *w);
-};
-
 class DetailWidget : public QWidget {
   Q_OBJECT
 
@@ -58,7 +39,6 @@ private:
   void editMsg();
   void showForm();
   void updateState();
-  void moveBinaryView();
 
   QString msg_id;
   QLabel *name_label, *time_label, *warning_label;
@@ -66,13 +46,8 @@ private:
   QPushButton *edit_btn;
   QWidget *signals_container;
   QTabBar *tabbar;
-  QHBoxLayout *main_layout;
-  QVBoxLayout *right_column;
-  bool binview_in_left_col = false;
-  QWidget *binary_view_container;
-  QPushButton *split_btn;
   HistoryLog *history_log;
   BinaryView *binary_view;
-  ScrollArea *scroll;
+  QScrollArea *scroll;
   ChartsWidget *charts;
 };

tools/cabana/historylog.cc

@@ -64,16 +64,15 @@ void HistoryLogModel::updateState() {
   }
 }
 
-HistoryLog::HistoryLog(QWidget *parent) : QWidget(parent) {
-  QVBoxLayout *main_layout = new QVBoxLayout(this);
-  main_layout->setContentsMargins(0, 0, 0, 0);
+HistoryLog::HistoryLog(QWidget *parent) : QTableView(parent) {
   model = new HistoryLogModel(this);
-  table = new QTableView(this);
-  table->setModel(model);
-  table->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
-  table->horizontalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
-  table->setColumnWidth(0, 60);
-  table->verticalHeader()->setVisible(false);
-  table->setStyleSheet("QTableView::item { border:0px; padding-left:5px; padding-right:5px; }");
-  main_layout->addWidget(table);
+  setModel(model);
+  horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
+  horizontalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
+  verticalHeader()->setVisible(false);
+  setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+  setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
+  setFrameShape(QFrame::NoFrame);
+  setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
+  setStyleSheet("QTableView::item { border:0px; padding-left:5px; padding-right:5px; }");
 }

tools/cabana/historylog.h

@@ -25,15 +25,13 @@ private:
   std::deque<CanData> messages;
 };
 
-class HistoryLog : public QWidget {
+class HistoryLog : public QTableView {
   Q_OBJECT
 
 public:
   HistoryLog(QWidget *parent);
   void setMessage(const QString &message_id) { model->setMessage(message_id); }
   void updateState() { model->updateState(); }
-
 private:
-  QTableView *table;
   HistoryLogModel *model;
 };

tools/cabana/settings.cc

@@ -25,7 +25,7 @@ void Settings::save() {
 void Settings::load() {
   QSettings s("settings", QSettings::IniFormat);
   fps = s.value("fps", 10).toInt();
-  can_msg_log_size = s.value("log_size", 100).toInt();
+  can_msg_log_size = s.value("log_size", 50).toInt();
   cached_segment_limit = s.value("cached_segment", 3).toInt();
   chart_height = s.value("chart_height", 200).toInt();
   chart_theme = s.value("chart_theme", 0).toInt();

tools/cabana/settings.h

@@ -13,7 +13,7 @@ public:
   void load();
 
   int fps = 10;
-  int can_msg_log_size = 100;
+  int can_msg_log_size = 50;
   int cached_segment_limit = 3;
   int chart_height = 200;
   int chart_theme = 0;