Overrided on_dpi_changed() for some Dialogs:

BedShapeDialog, KBShortcutsDialog, ConfigWizard, Preferences

src/slic3r/GUI/Preferences.hpp

@@ -2,6 +2,7 @@
 #define slic3r_Preferences_hpp_
 
 #include "GUI.hpp"
+#include "GUI_Utils.hpp"
 
 #include <wx/dialog.h>
 #include <map>
@@ -11,7 +12,7 @@ namespace GUI {
 
 class ConfigOptionsGroup;
 
-class PreferencesDialog : public wxDialog
+class PreferencesDialog : public DPIDialog
 {
 	std::map<std::string, std::string>	m_values;
 	std::shared_ptr<ConfigOptionsGroup>	m_optgroup;
@@ -21,6 +22,9 @@ public:
 
 	void	build();
 	void	accept();
+
+protected:
+    void on_dpi_changed(const wxRect &suggested_rect) override;
 };
 
 } // GUI