diff -r 7ef03c2b46ab -r 1fa0e1de9f0a src/main.cpp
--- a/src/main.cpp	Mon Jun 20 17:27:30 2022 +0300
+++ b/src/main.cpp	Mon Jun 20 18:40:22 2022 +0300
@@ -15,6 +15,7 @@
 #include "widgets/colorselectdialog.h"
 #include "settings.h"
 #include "ui/circletooloptionswidget.h"
+#include "messagelog.h"
 
 static const QDir LOCALE_DIR {":/locale"};
 
@@ -342,6 +343,7 @@
 	return result;
 }
 
+#include <QScrollBar>
 int main(int argc, char *argv[])
 {
 	doQtRegistrations();
@@ -355,6 +357,7 @@
 	QStringList recentlyOpenedFiles;
 	ColorTable colorTable;
 	gl::RenderPreferences renderPreferences;
+	MessageLog messageLog;
 	ui.setupUi(&mainWindow);
 	const uiutilities::KeySequenceMap defaultKeyboardShortcuts =
 		uiutilities::makeKeySequenceMap(uiutilities::collectActions(&mainWindow));
@@ -413,22 +416,6 @@
 		saveSettings();
 		updateRecentlyOpenedDocumentsMenu();
 	};
-	const auto logMessage = [&ui](const Message& message){
-		QString messagetext = message.time.toString(QObject::tr("[hh:mm:ss]"));
-		switch(message.type) {
-		case Message::Info:
-			messagetext += QObject::tr(" [INFO] ");
-			break;
-		case Message::Warning:
-			messagetext += QObject::tr(" [WARN] ");
-			break;
-		case Message::Error:
-			messagetext += QObject::tr(" [ERR!] ");
-			break;
-		}
-		messagetext += message.text;
-		ui.messageLog->append(messagetext);
-	};
 	const auto openModelForEditing = [&](const ModelId modelId){
 		Model* model = documents.getModelById(modelId);
 		if (model != nullptr) {
@@ -641,8 +628,18 @@
 			}
 		}
 	});
+	ui.messageLog->setModel(&messageLog);
 	QObject::connect(ui.actionAboutQt, &QAction::triggered, &app, &QApplication::aboutQt);
-	QObject::connect(&documents, &DocumentManager::message, logMessage);
+	QObject::connect(&documents, &DocumentManager::message, &messageLog, &MessageLog::addMessage);
+	QObject::connect(&messageLog, &MessageLog::rowsAboutToBeInserted, [&]{
+		const auto bar = ui.messageLog->verticalScrollBar();
+		ui.messageLog->setProperty("shouldAutoScroll", bar->value() == bar->maximum());
+	});
+	QObject::connect(&messageLog, &MessageLog::rowsInserted, [&]{
+		if (ui.messageLog->property("shouldAutoScroll").toBool()) {
+			ui.messageLog->scrollToBottom();
+		}
+	});
 	mainWindow.setWindowTitle(title());
 	mainWindow.restoreGeometry(setting<Setting::MainWindowGeometry>());
 	restoreSettings();