Use QString.

examples/groups/mainwindow_funcs.cpp

@@ -39,7 +39,7 @@ MainWindow::MainWindow() : QMainWindow()
                        [a, b, c](const auto x) { return 5.0 + a * sin(x) + b * sin(2.0 * x) - c * sin(3.0 * x); });
 
         // Create a renderable and add it to the group
-        auto *renderable = ui_.TestingWidget->addData1D(std::string("Sines") + std::to_string(n));
+        auto *renderable = ui_.TestingWidget->addData1D(QString("Sines%1").arg(n));
         renderable->setData(xValues, y);
 
         renderable->colour().set({int(255 * dist(gen)), int(255 * dist(gen)), int(255 * dist(gen)), 255});

src/entities/data.h

@@ -31,7 +31,7 @@ class DataEntity : public Qt3DCore::QEntity
      */
     protected:
     // Display name for entity
-    std::string displayName_;
+    QString displayName_;
     // Extrema of data points in three-dimensional space
     Cuboid extrema_;
     // Extrema of data points in three-dimensional logarithmic space
@@ -112,4 +112,4 @@ class DataEntity : public Qt3DCore::QEntity
     // Recreate renderables following metric / axis change
     void updateRenderables();
 };
-} // namespace Mildred
+} // namespace Mildred

src/version.h

@@ -11,10 +11,10 @@ namespace Mildred
 namespace Version
 {
 // Return version
-std::string_view version() { return MILDREDVERSION; }
+QString version() { return MILDREDVERSION; }
 // Return short hash
-std::string_view shortHash() { return MILDREDSHORTHASH; }
+QString shortHash() { return MILDREDSHORTHASH; }
 // Return repo url
-std::string_view repoUrl() { return MILDREDREPO; }
+QString repoUrl() { return MILDREDREPO; }
 }; // namespace Version
 }; // namespace Mildred

src/widget.cpp

@@ -178,13 +178,13 @@ RenderableMaterial *MildredWidget::createMaterial(Qt3DCore::QEntity *parent, Ren
 }
 
 // Add new 1-dimensional data entity for supplied data
-Data1DEntity *MildredWidget::addData1D(std::string_view tag)
+Data1DEntity *MildredWidget::addData1D(const QString &tag)
 {
     // Check for existing tag
     auto it = std::find_if(dataEntities_.begin(), dataEntities_.end(), [tag](const auto &d) { return tag == d.first; });
     if (it != dataEntities_.end())
     {
-        printf("Data with tag '%s' already exists, so can't add it again.\n", it->first.c_str());
+        qDebug() << QString("Data with tag '%1' already exists, so can't add it again.\n").arg(it->first);
         throw(std::runtime_error("Duplicate DataEntity tag created.\n"));
     }
 
@@ -214,4 +214,4 @@ DisplayGroup *MildredWidget::addDisplayGroup()
     auto newGroup = displayGroups_.emplace_back(std::make_shared<DisplayGroup>());
 
     return newGroup.get();
-}
+}

src/widget.h

@@ -193,7 +193,7 @@ class MildredWidget : public QWidget
      */
     private:
     // Associated data entities (with identifying tag)
-    std::vector<std::pair<std::string, DataEntity *>> dataEntities_;
+    std::vector<std::pair<QString, DataEntity *>> dataEntities_;
 
     private:
     // Create material for specified entity
@@ -205,7 +205,7 @@ class MildredWidget : public QWidget
 
     public:
     // Add new data entity for supplied data
-    Data1DEntity *addData1D(std::string_view tag);
+    Data1DEntity *addData1D(const QString &tag);
 
     /*
      * Grouping
@@ -218,4 +218,4 @@ class MildredWidget : public QWidget
     // Create new display group
     DisplayGroup *addDisplayGroup();
 };
-} // namespace Mildred
+} // namespace Mildred