Fix some lexical sorting of names with numbers

include/ui/filterchildrenproxymodel.h

@@ -3,15 +3,28 @@
 
 #include <QSortFilterProxyModel>
 
-class FilterChildrenProxyModel : public QSortFilterProxyModel
+class NumericSortProxyModel : public QSortFilterProxyModel
 {
     Q_OBJECT
 
 public:
-    explicit FilterChildrenProxyModel(QObject *parent = nullptr);
-    void setHideEmpty(bool hidden) { this->hideEmpty = hidden; }
+    explicit NumericSortProxyModel(QObject *parent = nullptr) : QSortFilterProxyModel(parent) {};
+
 protected:
-    bool filterAcceptsRow(int source_row, const QModelIndex & source_parent) const;
+    virtual bool lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const override;
+};
+
+class FilterChildrenProxyModel : public NumericSortProxyModel
+{
+    Q_OBJECT
+
+public:
+    explicit FilterChildrenProxyModel(QObject *parent = nullptr) : NumericSortProxyModel(parent) {};
+    void setHideEmpty(bool hidden) { this->hideEmpty = hidden; }
+
+protected:
+    virtual bool filterAcceptsRow(int source_row, const QModelIndex & source_parent) const override;
+
 private:
     bool hideEmpty = false;
 };

include/ui/maplistmodels.h

@@ -79,7 +79,6 @@ protected:
 
     QString activeItemName;
     QString folderTypeName;
-    bool sortingEnabled = false;
     bool editable = false;
 
     QIcon mapGrayIcon;

include/ui/wildmonsearch.h

@@ -2,9 +2,24 @@
 #define WILDMONSEARCH_H
 
 #include <QDialog>
+#include <QTableWidgetItem>
+#include <QCollator>
 
 class Project;
 
+class NumericSortTableItem : public QTableWidgetItem
+{
+public:
+    explicit NumericSortTableItem(const QString &text) : QTableWidgetItem(text) {};
+
+protected:
+    virtual bool operator<(const QTableWidgetItem &other) const override {
+        QCollator collator;
+        collator.setNumericMode(true);
+        return collator.compare(text(), other.text()) < 0;
+    }
+};
+
 namespace Ui {
 class WildMonSearch;
 }