Update to C++20

modules/base/dashboard/dashboarditemdate.cpp

@@ -91,7 +91,11 @@ void DashboardItemDate::render(glm::vec2& penPosition) {
     );
 
     try {
-        RenderFont(*_font, penPosition, fmt::format(_formatString.value().c_str(), time));
+        RenderFont(
+            *_font,
+            penPosition,
+            fmt::format(fmt::runtime(_formatString.value()), time)
+        );
     }
     catch (const fmt::format_error&) {
         LERRORC("DashboardItemDate", "Illegal format string");
@@ -103,7 +107,7 @@ glm::vec2 DashboardItemDate::size() const {
     ZoneScoped
 
     std::string_view time = global::timeManager->time().UTC();
-    return _font->boundingBox(fmt::format(_formatString.value().c_str(), time));
+    return _font->boundingBox(fmt::format(fmt::runtime(_formatString.value()), time));
 }
 
 } // namespace openspace

modules/base/dashboard/dashboarditemdistance.cpp

@@ -358,7 +358,7 @@ void DashboardItemDistance::render(glm::vec2& penPosition) {
     try {
         char* end = fmt::format_to(
             _buffer.data(),
-            _formatString.value().c_str(),
+            fmt::runtime(_formatString.value()),
             sourceInfo.second, destinationInfo.second, dist.first, dist.second
         );
 

modules/base/dashboard/dashboarditempropertyvalue.cpp

@@ -96,7 +96,11 @@ void DashboardItemPropertyValue::render(glm::vec2& penPosition) {
         std::string value;
         _property->getStringValue(value);
 
-        RenderFont(*_font, penPosition, fmt::format(_displayString.value(), value));
+        RenderFont(
+            *_font,
+            penPosition,
+            fmt::format(fmt::runtime(_displayString.value()), value)
+        );
         penPosition.y -= _font->height();
     }
 }

modules/base/dashboard/dashboarditemsimulationincrement.cpp

@@ -182,7 +182,7 @@ void DashboardItemSimulationIncrement::render(glm::vec2& penPosition) {
                 *_font,
                 penPosition,
                 fmt::format(
-                    _transitionFormat.value().c_str(),
+                    fmt::runtime(_transitionFormat.value()),
                     targetDeltaTime.first, targetDeltaTime.second,
                     pauseText,
                     currentDeltaTime.first, currentDeltaTime.second
@@ -194,7 +194,7 @@ void DashboardItemSimulationIncrement::render(glm::vec2& penPosition) {
                 *_font,
                 penPosition,
                 fmt::format(
-                    _regularFormat.value().c_str(),
+                    fmt::runtime(_regularFormat.value()),
                     targetDeltaTime.first, targetDeltaTime.second, pauseText
                 )
             );