Add first impl of EditGCodeDialog

Only current issue is that the grabber for the resizeable window is currently white (ongoing issue for Orca)

Original Commit: prusa3d/PrusaSlicer@a8307bf

Co-authored-by: YuSanka <yusanka@gmail.com>

src/slic3r/GUI/EditGCodeDialog.hpp

@@ -0,0 +1,51 @@
+#ifndef slic3r_EditGCodeDialog_hpp_
+#define slic3r_EditGCodeDialog_hpp_
+
+#include <vector>
+
+#include <wx/gdicmn.h>
+#include <slic3r/GUI/Widgets/Button.hpp>
+
+#include "GUI_Utils.hpp"
+
+class wxListBox;
+class wxTextCtrl;
+//class wxStaticText;
+class ScalableButton;
+//class wxBoxSizer;
+
+namespace Slic3r {
+
+namespace GUI {
+
+class PresetComboBox;
+
+//------------------------------------------
+//          EditGCodeDialog
+//------------------------------------------
+
+class EditGCodeDialog : public DPIDialog
+{
+    wxListBox*          m_patterns_list {nullptr};
+    ScalableButton*     m_add_btn       {nullptr};
+    wxTextCtrl*         m_gcode_editor  {nullptr};
+
+    void OnOK(wxEvent& event);
+
+public:
+    EditGCodeDialog(wxWindow* parent, const std::string& key, const std::string& value);
+    ~EditGCodeDialog() {}
+
+protected:
+    std::unordered_map<int, Button *> m_button_list;
+
+    void on_dpi_changed(const wxRect& suggested_rect) override;
+    void on_sys_color_changed() override;
+    wxBoxSizer* EditGCodeDialog::create_btn_sizer(long flags);
+};
+
+
+} // namespace GUI
+} // namespace Slic3r
+
+#endif