From 714e29d2cb827dfea91a610772af2f1c001dfd5b Mon Sep 17 00:00:00 2001
From: eelke <eelke@eelkeklein.nl>
Date: Thu, 22 Oct 2026 19:17:46 +0200
Subject: [PATCH] Fix several fonts.

---
 pglab/BackupDialog.cpp        |  6 ++----
 pglab/UserConfiguration.cpp   | 19 ++++++++++++++-----
 pglab/querytool/QueryTool.cpp |  5 +++--
 pglab/tuplesresultwidget.cpp  |  1 -
 4 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/pglab/BackupDialog.cpp b/pglab/BackupDialog.cpp
index 55a4404..57c92ec 100644
--- a/pglab/BackupDialog.cpp
+++ b/pglab/BackupDialog.cpp
@@ -2,6 +2,7 @@
 
 #include "BackupFormatModel.h"
 #include "PgDumpOutputHighlighter.h"
+#include "UserConfiguration.h"
 #include <QFileDialog>
 #include <QMessageBox>
 #include <QProcess>
@@ -51,10 +52,7 @@ QPlainTextEdit* createStdOutput(QWidget *parent)
 	brush3.setStyle(Qt::SolidPattern);
 	palette.setBrush(QPalette::Disabled, QPalette::Base, brush3);
 	stdOutput->setPalette(palette);
-	QFont font;
-	font.setFamily(QString::fromUtf8("Source Code Pro"));
-	font.setPointSize(10);
-	stdOutput->setFont(font);
+	stdOutput->setFont(UserConfiguration::instance()->codeFont());
 	stdOutput->setLineWrapMode(QPlainTextEdit::NoWrap);
 	stdOutput->setReadOnly(true);
 
diff --git a/pglab/UserConfiguration.cpp b/pglab/UserConfiguration.cpp
index cea1be2..4ee0aea 100644
--- a/pglab/UserConfiguration.cpp
+++ b/pglab/UserConfiguration.cpp
@@ -1,5 +1,7 @@
 #include "UserConfiguration.h"
 #include <QFont>
+#include <QFontDatabase>
+#include <QFontInfo>
 
 UserConfiguration* UserConfiguration::instance()
 {
@@ -14,12 +16,19 @@ UserConfiguration::UserConfiguration()
 
 QFont UserConfiguration::codeFont() const
 {
-	QString family = m_settings.value("fonts/code/family", QString("Source Code Pro")).toString();
-	int size = m_settings.value("fonts/code/size", 10).toInt();
-	QFont font;
-	font.setFamily(family);
+	QString family = m_settings.value("fonts/code/family").toString();
+	QFont font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
+	font.setStyleHint(QFont::Monospace);
 	font.setFixedPitch(true);
-	font.setPointSize(size);
+	if (!family.isEmpty())
+		font.setFamily(family);
+	else if (!QFontInfo(font).fixedPitch())
+		font.setFamilies({ "Source Code Pro", "Consolas", "Courier New", "monospace" });
+
+	bool ok = false;
+	int size = m_settings.value("fonts/code/size").toInt(&ok);
+	if (ok && size > 0)
+		font.setPointSize(size);
 	return font;
 }
 
diff --git a/pglab/querytool/QueryTool.cpp b/pglab/querytool/QueryTool.cpp
index e116f38..9934977 100644
--- a/pglab/querytool/QueryTool.cpp
+++ b/pglab/querytool/QueryTool.cpp
@@ -43,9 +43,10 @@ QueryTool::QueryTool(IDatabaseWindow *context, std::shared_ptr<SqlDocument> docu
 	connect(&m_dbConnection, &ASyncDBConnection::onStateChanged, this, &QueryTool::connectionStateChanged);
 	connect(&m_dbConnection, &ASyncDBConnection::onNotice, this, &QueryTool::receiveNotice);
   
-	ui->queryEdit->setFont(UserConfiguration::instance()->codeFont());
-
+	const QFont codeFont = UserConfiguration::instance()->codeFont();
+	m_document->textDocument()->setDefaultFont(codeFont);
 	ui->queryEdit->setDocument(m_document->textDocument());
+	ui->queryEdit->setFont(codeFont);
 	m_document->addEditor(this);
 	auto types = m_catalog->types();
 	if (types) {
diff --git a/pglab/tuplesresultwidget.cpp b/pglab/tuplesresultwidget.cpp
index 21b090a..f116d29 100644
--- a/pglab/tuplesresultwidget.cpp
+++ b/pglab/tuplesresultwidget.cpp
@@ -21,7 +21,6 @@ TuplesResultWidget::TuplesResultWidget(QWidget *parent) :
 
 	m_grid = new DataGridWidget(this);
 	ui->verticalLayout->insertWidget(0, m_grid);
-	m_grid->view()->setFont(QFont("Source Sans Pro", 10));
 	m_grid->view()->setAlternatingRowColors(true);
 	m_grid->view()->setWordWrap(false);
 	m_grid->view()->verticalHeader()->setDefaultSectionSize(21);