Add shortcut to reset code editor font size

src/base/settings.cpp

@@ -547,6 +547,13 @@ void Settings::setEditorFontSize(int size)
     emit editorFontChanged(getEditorFont());
 }
 
+void Settings::resetEditorFont()
+{
+    settings->remove("CodeEditor/FontFamily");
+    settings->remove("CodeEditor/FontSize");
+    emit editorFontChanged(getEditorFont());
+}
+
 void Settings::setSearchCaseSensitive(bool enabled) const
 {
     settings->setValue("CodeEditor/SearchCaseSensitive", enabled);

src/base/settings.h

@@ -110,6 +110,7 @@ public:
     void setFileSystemTreeHeader(const QByteArray &state) const;
     void setEditorFontFamily(const QString &family);
     void setEditorFontSize(int size);
+    void resetEditorFont();
     void setSearchCaseSensitive(bool enabled) const;
     void setSearchByRegex(bool enabled) const;
     void setWordWrap(bool enabled) const;

src/widgets/codeeditor.cpp

@@ -30,6 +30,10 @@ CodeEditor::CodeEditor(QWidget *parent)
         app->settings->setEditorFontSize(newSize);
     });
 
+    new QShortcut(QKeySequence("Ctrl+="), this, this, [this]() {
+        app->settings->resetEditorFont();
+    });
+
     setWordWrapMode(app->settings->getWordWrap()
         ? QTextOption::WrapAtWordBoundaryOrAnywhere
         : QTextOption::NoWrap);