FileManager extensions

            if flag:
                if isinstance(receiver2, GCODE):
                    # if in manual or in readonly mode do our keybindings - otherwise
                    # send events to gcode widget
                    if STATUS.is_man_mode() == False or not receiver2.editor.isReadOnly():
                        if is_pressed:
                            receiver.keyPressEvent(event)

#####################
    # GENERAL FUNCTIONS #
    #####################
    def load_code(self, fname):
        if fname is None: return
        if fname.endswith(".ngc") or fname.endswith(".py") or fname.endswith(".tap"):

[FILTER]
PROGRAM_EXTENSION = .ngc,.nc,.tap G-Code File (*.ngc,*.nc,*.tap)
PROGRAM_EXTENSION = .png,.gif,.jpg Greyscale Depth Image
PROGRAM_EXTENSION = .py Python Script
png = image-to-gcode
gif = image-to-gcode
jpg = image-to-gcode
py = python

    def load_code(self, fname):
        if fname is None: return
        filename, file_extension = os.path.splitext(fname)
        if not fname.endswith(".html"):
            if not (INFO.program_extension_valid(fname)):
                self.add_status("Unknown or invalid filename extension {}".format(file_extension))
                return
            self.w.cmb_gcode_history.addItem(fname)
            self.w.cmb_gcode_history.setCurrentIndex(self.w.cmb_gcode_history.count() - 1)
            ACTION.OPEN_PROGRAM(fname)
            self.add_status("Loaded program file : {}".format(fname))
            self.w.main_tab_widget.setCurrentIndex(TAB_MAIN)
            self.w.filemanager.recordBookKeeping()
            # adjust ending to check for related setup files
            fname = filename+'.html'
            if os.path.exists(fname):
                self.w.web_view.load(QtCore.QUrl.fromLocalFile(fname))
                self.add_status("Loaded HTML file : {}".format(fname))
            else:
                self.w.web_view.setHtml(self.html)
            return
        else:
            try:
                self.w.web_view.load(QtCore.QUrl.fromLocalFile(fname))
                self.add_status("Loaded HTML file : {}".format(fname))
                self.w.main_tab_widget.setCurrentIndex(TAB_SETUP)
                self.w.stackedWidget.setCurrentIndex(0)
                self.w.btn_setup.setChecked(True)
                self.w.jogging_frame.hide()
            except Exception as e:
                print("Error loading HTML file : {}".format(e))

    def load_code(self, fname):
        if fname is None: return
        filename, file_extension = os.path.splitext(fname)
        if not fname.endswith(".html"):
            if not (INFO.program_extension_valid(fname)):
                self.add_status("Unknown or invalid filename extension {}".format(file_extension))
                return
            self.w.cmb_gcode_history.addItem(fname)
            self.w.cmb_gcode_history.setCurrentIndex(self.w.cmb_gcode_history.count() - 1)
            ACTION.OPEN_PROGRAM(fname)
            self.add_status("Loaded program file : {}".format(fname))
            self.w.main_tab_widget.setCurrentIndex(TAB_MAIN)
        elif fname.endswith(".html"):
            self.web_view.load(QtCore.QUrl.fromLocalFile(fname))
            self.add_status("Loaded HTML file : {}".format(fname))
            self.w.main_tab_widget.setCurrentIndex(TAB_SETUP)
            self.w.btn_setup.setChecked(True)
        else:
            self.add_status("Unknown or invalid filename")