removing more boost references

src/noggit/ui/MinimapCreator.hpp

@@ -9,7 +9,6 @@
 #include <QListWidget>
 #include <QApplication>
 #include <qt-color-widgets/color_selector.hpp>
-#include <boost/optional.hpp>
 #include <string>
 #include <unordered_map>
 #include <vector>

src/noggit/ui/ObjectEditor.h

@@ -10,8 +10,6 @@
 #include <QtWidgets/QDoubleSpinBox>
 #include <QtWidgets/QSlider>
 
-#include <boost/optional.hpp>
-
 class MapView;
 class QButtonGroup;
 class World;

src/noggit/ui/RotationEditor.h

@@ -1,11 +1,7 @@
 // This file is part of Noggit3, licensed under GNU General Public License (version 3).
 
 #pragma once
-
 #include <noggit/Selection.h>
-
-#include <boost/optional.hpp>
-
 #include <QtWidgets/QDoubleSpinBox>
 #include <QtWidgets/QWidget>
 #include <QDockWidget>

src/noggit/ui/main_window.cpp

@@ -32,8 +32,6 @@
 #include <QSysInfo>
 #include <QStandardPaths>
 #include <QDir>
-#include <boost/function.hpp>
-
 #include <boost/format.hpp>
 
 #ifdef USE_MYSQL_UID_STORAGE
@@ -124,14 +122,14 @@ namespace Noggit
 
             std::filesystem::path pluginPath = std::filesystem::path(lib_dir.absoluteFilePath("noggit").toStdString());
 
-            typedef boost::shared_ptr<Plugin>(PluginCreate)();
-            boost::function <PluginCreate> pluginCreator;
+            typedef std::shared_ptr<Plugin>(PluginCreate)();
+            std::function <PluginCreate> pluginCreator;
             try
             {
-              pluginCreator = boost::dll::import_alias<PluginCreate>(pluginPath,
+              pluginCreator = std::dll::import_alias<PluginCreate>(pluginPath,
                                                                    "create_plugin", boost::dll::load_mode::append_decorations);
             }
-            catch (const boost::system::system_error &err)
+            catch (const std::system::system_error &err)
             {
               return;
             }