From 3c85ecb1eeb382158fffed8dc6bc02e4bbfabb13 Mon Sep 17 00:00:00 2001
From: Friedemann Kleint <Friedemann.Kleint@qt.io>
Date: Thu, 14 Mar 2024 16:19:12 +0100
Subject: Qt Designer: Improve code preview

Set a fixed font and make it big enough to accommodate 100 characters.

Pick-to: 6.7 6.6
Change-Id: I4f0353b33f344e92772cd659141e987d3d132659
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
---
 src/designer/src/lib/shared/codedialog.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/designer')

diff --git a/src/designer/src/lib/shared/codedialog.cpp b/src/designer/src/lib/shared/codedialog.cpp
index ad460922d..f11a2ac9b 100644
--- a/src/designer/src/lib/shared/codedialog.cpp
+++ b/src/designer/src/lib/shared/codedialog.cpp
@@ -21,6 +21,8 @@
 
 #include <QtGui/qaction.h>
 #include <QtGui/qevent.h>
+#include <QtGui/qfontdatabase.h>
+#include <QtGui/qfontmetrics.h>
 #include <QtGui/qicon.h>
 
 #include <QtCore/qdebug.h>
@@ -77,8 +79,11 @@ CodeDialog::CodeDialog(QWidget *parent) :
 
     // Edit
     m_impl->m_textEdit->setReadOnly(true);
+    const auto font = QFontDatabase::systemFont(QFontDatabase::SystemFont::FixedFont);
+    const int editorWidth = QFontMetrics(font, this).averageCharWidth() * 100;
+    m_impl->m_textEdit->setFont(font);
     m_impl->m_textEdit->setMinimumSize(QSize(
-                m_impl->m_findWidget->minimumSize().width(),
+                qMax(editorWidth, m_impl->m_findWidget->minimumSize().width()),
                 500));
     vBoxLayout->addWidget(m_impl->m_textEdit);
 
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