CFileStatsWindow: resizable columns; display scanning time

Author: VioletGiraffe

qt-app/src/cmainwindow.cpp

@@ -22,6 +22,7 @@
 #include "widgets/widgetutils.h"
 #include "filesystemhelpers/filestatistics.h"
 #include "filesystemhelpers/filesystemhelpers.hpp"
+#include "system/ctimeelapsed.h"
 #include "tools/CFileStatsWindow.h"
 #include "version.h"
 
@@ -782,11 +783,14 @@ void CMainWindow::calculateStatistics()
 
 	const auto hashes = _currentFileList->selectedItemsHashes();
 	const auto paths = _controller->panel(_currentFileList->panelPosition()).itemPathsByHashes(hashes);
+
+	CTimeElapsed timer{ true };
 	const FileStatistics stats = calculateStatsFor(paths);
+	const uint64_t elapsedMs = timer.elapsed();
 	if (stats.empty())
 		return;
 
-	auto* statsWindow = new CFileStatsWindow(this, stats, *_controller);
+	auto* statsWindow = new CFileStatsWindow(this, stats, *_controller, elapsedMs);
 	statsWindow->setAttribute(Qt::WA_DeleteOnClose);
 	WidgetUtils::centerWidgetOnScreen(statsWindow, 0.7);
 	statsWindow->show();

qt-app/src/tools/CFileStatsWindow.cpp

@@ -43,7 +43,7 @@ class SortByDataTreeItem final : public QTreeWidgetItem
 	}
 };
 
-CFileStatsWindow::CFileStatsWindow(QWidget* parent,  const FileStatistics& stats, CController& controller) :
+CFileStatsWindow::CFileStatsWindow(QWidget* parent,  const FileStatistics& stats, CController& controller, uint64_t elapsedMs) :
 	QMainWindow{ nullptr }
 {
 	setWindowTitle(tr("Statistics"));
@@ -67,13 +67,18 @@ CFileStatsWindow::CFileStatsWindow(QWidget* parent,  const FileStatistics& stats
 	layout->setAlignment(btnClose, Qt::AlignRight);
 	QObject::connect(btnClose, &QPushButton::clicked, this, &QMainWindow::close);
 
+	const QString elapsedText = tr("Scanned in %1 s").arg(elapsedMs * 1e-3f, 0, 'f', 1);
+
+	_statusLabel = new QLabel(elapsedText, this);
+	_statusLabel->setStyleSheet("color: palette(placeholder-text);");
+	layout->addWidget(_statusLabel);
+
 	_list->setHeaderLabels({
 		tr("Name"),
 		tr("Size"),
 		tr("Modification date"),
 		tr("Folder")
 	});
-	_list->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
 	_list->header()->setStretchLastSection(false);
 	_list->setSortingEnabled(true);
 	_list->sortByColumn(columns::Size, Qt::DescendingOrder);
@@ -114,4 +119,7 @@ void CFileStatsWindow::fillFileList(const FileStatistics& stats)
 	}
 
 	_list->addTopLevelItems(items);
+
+	for (int col = 0; col < _list->columnCount(); ++col)
+		_list->resizeColumnToContents(col);
 }

qt-app/src/tools/CFileStatsWindow.h

@@ -2,18 +2,23 @@
 
 #include <QMainWindow>
 
+#include <cstdint>
+
+class CController;
 struct FileStatistics;
+
+class QLabel;
 class QTreeWidget;
-class CController;
 
 class CFileStatsWindow final : public QMainWindow
 {
 public:
-	CFileStatsWindow(QWidget* parent, const FileStatistics& stats, CController& controller);
+	CFileStatsWindow(QWidget* parent, const FileStatistics& stats, CController& controller, uint64_t elapsedMs);
 
 private:
 	void fillFileList(const FileStatistics& stats);
 
 private:
 	QTreeWidget* _list = nullptr;
+	QLabel* _statusLabel = nullptr;
 };