Seam gizmo created on frontend

src/slic3r/GUI/Gizmos/GLGizmoSeam.hpp

@@ -0,0 +1,42 @@
+#ifndef slic3r_GLGizmoSeam_hpp_
+#define slic3r_GLGizmoSeam_hpp_
+
+#include "GLGizmoPainterBase.hpp"
+
+namespace Slic3r {
+
+namespace GUI {
+
+class GLGizmoSeam : public GLGizmoPainterBase
+{
+public:
+    GLGizmoSeam(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id)
+        : GLGizmoPainterBase(parent, icon_filename, sprite_id) {}
+
+protected:
+    void on_render_input_window(float x, float y, float bottom_limit) override;
+    std::string on_get_name() const override;
+
+private:
+    bool on_init() override;
+    void on_render() const override;
+    void on_render_for_picking() const override {}
+
+    void update_model_object() const override;
+    void update_from_model_object() override;
+
+    void on_opening() override {}
+    void on_shutdown() override {}
+
+    // This map holds all translated description texts, so they can be easily referenced during layout calculations
+    // etc. When language changes, GUI is recreated and this class constructed again, so the change takes effect.
+    std::map<std::string, wxString> m_desc;
+};
+
+
+
+} // namespace GUI
+} // namespace Slic3r
+
+
+#endif // slic3r_GLGizmoSeam_hpp_