Update script editor tab width (Bug #3286)

apps/opencs/view/world/scriptedit.cpp

@@ -52,7 +52,7 @@ CSVWorld::ScriptEdit::ScriptEdit(
     mWhiteListQoutes("^[a-z|_]{1}[a-z|0-9|_]{0,}$", Qt::CaseInsensitive)
 {
     wrapLines(false);
-    setTabStopWidth (4);
+    setTabWidth();
     setUndoRedoEnabled (false); // we use OpenCS-wide undo/redo instead
 
     mAllowedTypes <<CSMWorld::UniversalId::Type_Journal
@@ -194,6 +194,13 @@ bool CSVWorld::ScriptEdit::stringNeedsQuote (const std::string& id) const
     return !(string.contains(mWhiteListQoutes));
 }
 
+void CSVWorld::ScriptEdit::setTabWidth()
+{
+    const int numCharacters = 4;
+    QFontMetrics metrics(mMonoFont);
+    setTabStopWidth(numCharacters * metrics.width(' '));
+}
+
 void CSVWorld::ScriptEdit::wrapLines(bool wrap)
 {
     if (wrap)

apps/opencs/view/world/scriptedit.hpp

@@ -91,6 +91,9 @@ namespace CSVWorld
 
             bool stringNeedsQuote(const std::string& id) const;
 
+            /// \brief Set tab width for script editor.
+            void setTabWidth();
+
             /// \brief Turn line wrapping in script editor on or off.
             /// \param wrap Whether or not to wrap lines.
             void wrapLines(bool wrap);