Qt: Add html_escape to qt_ui_utils.

Add an html_escape convenience function, which escapes HTML
metacharacters using Qt::escape on Qt4 and QString::toHtmlEscaped on
Qt5. Use it where we were previously using #if QT_VERSION and calling
the API-specific functions.

Change-Id: Ifda3e9634a37fc00bdb46e08d5711f934692fef5
Reviewed-on: https://code.wireshark.org/review/17984
Reviewed-by: Gerald Combs <gerald@wireshark.org>
Petri-Dish: Gerald Combs <gerald@wireshark.org>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Roland Knall <rknall@gmail.com>

1 files changed, 1 insertions, 11 deletions

diff --git a/ui/qt/preference_editor_frame.cpp b/ui/qt/preference_editor_frame.cpp
index 0e196c0a8a..8cacdf5f21 100644
--- a/ui/qt/preference_editor_frame.cpp
+++ b/ui/qt/preference_editor_frame.cpp
@@ -38,11 +38,6 @@
 
 #include <QPushButton>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
-// Qt::escape
-#include <QTextDocument>
-#endif
-
 // To do:
 // - Handle PREF_FILENAME and PREF_DIRNAME.
 
@@ -85,12 +80,7 @@ void PreferenceEditorFrame::editPreference(preference *pref, pref_module *module
     ui->preferenceTitleLabel->setText(QString("%1:").arg(pref->title));
 
     // Convert the pref description from plain text to rich text.
-    QString description;
-#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
-    description = Qt::escape(pref->description);
-#else
-    description = QString(pref->description).toHtmlEscaped();
-#endif
+    QString description = html_escape(pref->description);
     description.replace('\n', "<br>");
     QString tooltip = QString("<span>%1</span>").arg(description);
     ui->preferenceTitleLabel->setToolTip(tooltip);