Cabana: add status bar to main window (#26159)

old-commit-hash: 02a0a1c201e2c203e79669fd927b38768ef645b7

tools/cabana/detailwidget.cc

@@ -12,6 +12,7 @@
 
 DetailWidget::DetailWidget(QWidget *parent) : QWidget(parent) {
   QVBoxLayout *main_layout = new QVBoxLayout(this);
+  main_layout->setContentsMargins(0, 0, 0, 0);
   main_layout->setSpacing(0);
 
   // tabbar

tools/cabana/mainwin.cc

@@ -6,14 +6,18 @@
 #include <QSplitter>
 #include <QVBoxLayout>
 
+#include "tools/replay/util.h"
+
 MainWindow::MainWindow() : QWidget() {
   QVBoxLayout *main_layout = new QVBoxLayout(this);
+  main_layout->setContentsMargins(11, 11, 11, 5);
+  main_layout->setSpacing(0);
 
   QHBoxLayout *h_layout = new QHBoxLayout();
+  h_layout->setContentsMargins(0, 0, 0, 0);
   main_layout->addLayout(h_layout);
 
   QSplitter *splitter = new QSplitter(Qt::Horizontal, this);
-
   messages_widget = new MessagesWidget(this);
   splitter->addWidget(messages_widget);
 
@@ -27,7 +31,7 @@ MainWindow::MainWindow() : QWidget() {
   QWidget *right_container = new QWidget(this);
   right_container->setFixedWidth(640);
   r_layout = new QVBoxLayout(right_container);
-
+  r_layout->setContentsMargins(11, 0, 0, 0);
   QHBoxLayout *right_hlayout = new QHBoxLayout();
   QLabel *fingerprint_label = new QLabel(this);
   right_hlayout->addWidget(fingerprint_label);
@@ -47,6 +51,30 @@ MainWindow::MainWindow() : QWidget() {
 
   h_layout->addWidget(right_container);
 
+  // status bar
+  status_bar = new QStatusBar(this);
+  status_bar->setContentsMargins(0, 0, 0, 0);
+  status_bar->setSizeGripEnabled(true);
+  progress_bar = new QProgressBar();
+  progress_bar->setRange(0, 100);
+  progress_bar->setTextVisible(true);
+  progress_bar->setFixedSize({230, 16});
+  progress_bar->setVisible(false);
+  status_bar->addPermanentWidget(progress_bar);
+  main_layout->addWidget(status_bar);
+
+  qRegisterMetaType<uint64_t>("uint64_t");
+  qRegisterMetaType<ReplyMsgType>("ReplyMsgType");
+  installMessageHandler([this](ReplyMsgType type, const std::string msg) {
+    // use queued connection to recv the log messages from replay.
+    emit logMessageFromReplay(QString::fromStdString(msg), 3000);
+  });
+  installDownloadProgressHandler([this](uint64_t cur, uint64_t total, bool success) {
+    emit updateProgressBar(cur, total, success);
+  });
+
+  QObject::connect(this, &MainWindow::logMessageFromReplay, status_bar, &QStatusBar::showMessage);
+  QObject::connect(this, &MainWindow::updateProgressBar, this, &MainWindow::updateDownloadProgress);
   QObject::connect(messages_widget, &MessagesWidget::msgSelectionChanged, detail_widget, &DetailWidget::setMessage);
   QObject::connect(detail_widget, &DetailWidget::showChart, charts_widget, &ChartsWidget::addChart);
   QObject::connect(charts_widget, &ChartsWidget::dock, this, &MainWindow::dockCharts);
@@ -54,6 +82,17 @@ MainWindow::MainWindow() : QWidget() {
   QObject::connect(can, &CANMessages::eventsMerged, [=]() { fingerprint_label->setText(can->carFingerprint() ); });
 }
 
+void MainWindow::updateDownloadProgress(uint64_t cur, uint64_t total, bool success) {
+   if (success && cur < total) {
+    progress_bar->setValue((cur / (double)total) * 100);
+    progress_bar->setFormat(tr("Downloading %p% (%1)").arg(formattedDataSize(total).c_str()));
+    progress_bar->show();
+  } else {
+    progress_bar->hide();
+  }
+}
+
+
 void MainWindow::dockCharts(bool dock) {
   if (dock && floating_window) {
     floating_window->removeEventFilter(charts_widget);

tools/cabana/mainwin.h

@@ -1,5 +1,8 @@
 #pragma once
 
+#include <QProgressBar>
+#include <QStatusBar>
+
 #include "tools/cabana/chartswidget.h"
 #include "tools/cabana/detailwidget.h"
 #include "tools/cabana/messageswidget.h"
@@ -12,8 +15,13 @@ public:
   MainWindow();
   void dockCharts(bool dock);
 
+signals:
+  void logMessageFromReplay(const QString &msg, int timeout);
+  void updateProgressBar(uint64_t cur, uint64_t total, bool success);
+
 protected:
   void closeEvent(QCloseEvent *event) override;
+  void updateDownloadProgress(uint64_t cur, uint64_t total, bool success);
   void setOption();
 
   VideoWidget *video_widget;
@@ -22,4 +30,6 @@ protected:
   ChartsWidget *charts_widget;
   QWidget *floating_window = nullptr;
   QVBoxLayout *r_layout;
+  QProgressBar *progress_bar;
+  QStatusBar *status_bar;
 };

tools/cabana/messageswidget.cc

@@ -13,6 +13,7 @@
 
 MessagesWidget::MessagesWidget(QWidget *parent) : QWidget(parent) {
   QVBoxLayout *main_layout = new QVBoxLayout(this);
+  main_layout->setContentsMargins(0, 0, 0, 0);
 
   // DBC file selector
   QHBoxLayout *dbc_file_layout = new QHBoxLayout();