# -*- coding: utf-8 -*-
import sys
import time
import socket
import tkinter as tk
from tkinter import ttk
import tkinter.font as tkFont
from threading import Thread, RLock, Event
import select, queue

# --- celme imports
modulename = 'celme'
if modulename in dir():
    del celme
if modulename not in dir():
    import celme
    
from mountastro_astromecca import Mountastro_Astromecca
from mountaxis import Mountaxis
from mounttools import Mounttools
from mountchannel import Mountchannel

# #####################################################################
# #####################################################################
# #####################################################################
# Class Universalpad
# #####################################################################
# #####################################################################
# This class provides a pad
# #####################################################################

lock = RLock()

class UniversalPadServer(Thread):
    """
    For SERIAL or TCP connections
    """
    
    def __init__(self, *args, **kwargs):
        Thread.__init__(self)
        self._myself = args[0]
        #print("*args={}".format(args))
        #print("**kwargs={}".format(kwargs))
        # --- Dico of optional parameters for all axis_types
        param_optionals = {}
        param_optionals["PROTOCOL"] = (str, "LX200")
        # --- Dico of axis_types and their parameters
        remote_transport_protocols = {}
        remote_transport_protocols["SERIAL"] = {"MANDATORY" : {"PORT":[str,"//./COM1"]}, "OPTIONAL" : {"BAUD":[int,9600]} }
        remote_transport_protocols["TCP"]    = {"MANDATORY" : {"PORT":[int,1111]}, "OPTIONAL" : {} }
        # --- Decode args and kwargs parameters
        mounttools = Mounttools()
        params = mounttools.decode_args_kwargs(1,remote_transport_protocols, param_optionals, *args, **kwargs)
        self._remote_transport_protocol = params["SELECTED_ARG"]
        self._remote_command_protocol = params["PROTOCOL"]
        if self._remote_transport_protocol=="SERIAL":
            self._port = params["PORT"]
            self._baud_rate = params["BAUD"]
            #msg = "port={} baud={}".format(self._port,self._baud_rate)
            #self._myself._themount.log.print(msg)
        elif self._remote_transport_protocol=="TCP":
            self._port = params["PORT"]
            #msg = "port={}".format(self._port)
            #self._myself._themount.log.print(msg)
        # ---
        self._stopevent = Event( )        

    def run(self):
        """Code à exécuter pendant l'exécution du Thread"""
        msg = "The thread UniversalPadServer is started"
        self._myself._themount.log.print(msg)
        if self._remote_transport_protocol=="SERIAL":
            self._channel = None
            while not self._stopevent.isSet():
                # --- Open the serial server if needed
                if self._channel==None: 
                    try:
                        if self._remote_command_protocol=="LX200":
                            self._channel = Mountchannel("SERIAL", port=self._port, baud_rate=self._baud_rate, delay_init_chan=0.1, end_of_command_to_send="#".encode('utf8'), end_of_command_to_receive="#".encode('utf8'), delay_put_read=0.06)
                            self._channel.verbose_chan = False
                        if self._remote_command_protocol=="ASTROMECCA":
                            self._channel = Mountchannel("SERIAL", port=self._port, baud_rate=self._baud_rate, delay_init_chan=0.1, end_of_command_to_send="#".encode('utf8'), end_of_command_to_receive="#".encode('utf8'), delay_put_read=0.06)
                            self._channel.verbose_chan = False
                    except:
                        time.sleep(0.1)
                        continue
                    msg = "{} server listening port {} for protocol {}".format(self._remote_transport_protocol, self._port, self._remote_command_protocol)
                    self._myself._themount.log.print(msg)
                    self._myself.pad_cbk_disp_message(msg+"\n","remote")
                # --- read the commands from the client
                command = ""
                msg = ""
                try:
                    err, commands = self._channel.read_chan()
                    #print("lignes = {}".format(lignes))
                    command = str(commands[0])
                except:
                    # --- connexion problem
                    try:
                        self._channel.close()
                    except:
                        pass
                    self._channel = None
                # --- process the received message
                try:
                    if err==self._channel.NO_ERROR and command != "":
                        self._myself._themount.log.print("command = {}".format(command))
                        msg = self._myself.remote_command_processing(command)
                        message = command + " -> " + msg
                        self._myself.pad_cbk_disp_message(message+"\n", "remote")
                    # --- send the answer to client
                    self._myself._themount.log.print("result = {}".format(msg))
                    self._myself.put_chan(msg)
                except:
                    pass
                time.sleep(0.01)
        elif self._remote_transport_protocol=="TCP":        
            self._channel = None
            # --- Open the serial server if needed
            try:
                self._channel = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                self._channel.setblocking(0)
                self._channel.bind((socket.gethostname(), self._port))
                self._channel.listen(5)
                inputs = [self._channel]
                outputs = []
                message_queues = {}
            except:
                # --- connexion problem
                try:
                    self._channel.close()
                except:
                    pass
                self._channel = None 
                msg = "Unexpected error: {}".format(sys.exc_info())
                self._myself._themount.log.print(msg)
                return
            msg = "{} server listening port {} for protocol {}".format(self._remote_transport_protocol, self._port, self._remote_command_protocol)
            self._myself._themount.log.print(msg)
            self._myself.pad_cbk_disp_message(msg+"\n","remote")
            # --- read the commands from the client
            try:
                while inputs:
                    if self._stopevent.isSet():
                        break
                    time_out = 0.5
                    readable, writable, exceptional = select.select(inputs, outputs, inputs, time_out)
                    # ---
                    for s in readable:
                        if s is self._channel:
                            connection, client_address = s.accept()
                            connection.setblocking(0)
                            inputs.append(connection)
                            message_queues[connection] = queue.Queue()
                        else:
                            data = s.recv(1024)
                            #print("data={}".format(data))
                            if data:
                                #print("step 1")
                                message = data.decode("utf-8")
                                response = data
                                response = self._myself._themount.remote_command_processing(message)
                                msg = message + " => " + response
                                response = response.encode("utf-8")
                                self._myself._themount.log.print(msg)
                                self._myself.pad_cbk_disp_message(msg+"\n","remote")
                                message_queues[s].put(response)
                                if s not in outputs:
                                    outputs.append(s)
                            else:
                                #print("step 2")
                                if s in outputs:
                                    outputs.remove(s)
                                inputs.remove(s)
                                s.close()
                                del message_queues[s]
                    # ---
                    for s in writable:
                        try:
                            #print("step 3 s.fileno()={}".format(s.fileno()))
                            if s.fileno()==-1:
                                continue
                            next_msg = message_queues[s].get_nowait()
                        except queue.Empty:
                            outputs.remove(s)
                        else:
                            s.send(next_msg)
                
                    for s in exceptional:
                        inputs.remove(s)
                        if s in outputs:
                            outputs.remove(s)
                        s.close()
                        del message_queues[s]
            except:
                pass
            # ---
            if self._channel != None:
                self._channel.close()
        msg = "The thread UniversalPadServer termined properly"
        self._myself._themount.log.print(msg)

    def stop(self):
        self._stopevent.set( )

class UniversalPadRepeat(Thread):
    
    def __init__(self, myself):
        Thread.__init__(self)
        # ---
        self._stopevent = Event( )        
        self._myself = myself

    def run(self):
        """Code à exécuter pendant l'exécution du Thread"""
        msg = "The thread UniversalPadRepeat is started"
        self._myself._themount.log.print(msg)
        while not self._stopevent.isSet():
            try:
                self._myself.pad_cbk_compute_lst()
                self._myself.pad_cbk_compute_coord()
            except:
                pass
            time.sleep(0.5)
        msg = "The thread UniversalPadRepeat termined properly"
        self._myself._themount.log.print(msg)

    def stop(self):
        self._stopevent.set( )


class UniversalPad():

    # === Constant for error codes
    NO_ERROR = 0
    ERR_UNKNOWN = 1

    _side_items = ['Auto','Tube West','Tube East']
    
    def __init__(self, pad_type):
        self._pad_type = None
        #cwd = os.getcwd()
        hostname = socket.gethostname()
        # --- configuration depending the computer
        if hostname == "titanium":
            print("Configuration = {}".format(hostname))
            port_serial_scx11='//./com6' ; # '//./com4'
            port_serial_aux='//./com1'
        elif hostname == "rapido2":
            print("Configuration = {}".format(hostname))
            port_serial_scx11='/dev/ttyAMA0'
            port_serial_aux='/dev/ttyAMA1'
        else:
            print("Attention, pas de configuration pour {}".format(hostname))
            port_serial_scx11='//./com1'
            port_serial_aux='//./com2'
        print("port_scx11    = {}".format(port_serial_scx11))
        print("port_aux      = {}".format(port_serial_aux))
        # ==========
        self._themount = None
        if pad_type=="astromecca":
            self._pad_type = pad_type
            home = celme.Home("GPS 2.25 E 43.567 148")
            site = celme.Site(home)
            # === SCX11 connection
            self._themount = Mountastro_Astromecca("HADEC", name="Guitalens Mount", manufacturer="Astro MECCA", model="TM350", serial_number="beta001", site=site, CONTROLLER_BASE_ID=1, CONTROLLER_POLAR_ID=2)
            self._themount.set_channel_params("SERIAL", port=port_serial_scx11, baud_rate=115200, delay_init_chan=0.1, end_of_command_to_send="\r\n".encode('utf8'), end_of_command_to_receive="\r\n".encode('utf8'), delay_put_read=0.06)
            self._themount.verbose_chan = False
            # --- shortcuts
            self._themount_axisb = self._themount.axis[Mountaxis.BASE]
            self._themount_axisp = self._themount.axis[Mountaxis.POLAR]
            # --- simulation or not        
            self._themount_axisb.real = False
            self._themount_axisb.ratio_wheel_puley = 6.32721
            self._themount_axisb.inc_per_motor_rev = 1540 # DPR for -490000 to +490000
            self._themount_axisb.senseinc = 1
            self._themount_axisp.real = False
            self._themount_axisp.ratio_wheel_puley = 6.8262
            self._themount_axisp.inc_per_motor_rev = 1421
            self._themount_axisp.senseinc = -1
            # --- Initial ha,dec for encoders
            self._themount_axisb.update_inc0(-17800,-90,self._themount_axisb.PIERSIDE_POS1)
            self._themount_axisp.update_inc0(2345,90,self._themount_axisp.PIERSIDE_POS1) 
            # --- first read of encoders (zero values the first time)
            incsimus = ["" for kaxis in range(Mountaxis.AXIS_MAX)] 
            self._themount.enc2cel(incsimus, save=self._themount.SAVE_ALL)        
            # --- second read of encoders (valid values)
            time.sleep(0.05)
            self._themount.enc2cel(incsimus, save=self._themount.SAVE_ALL)        
            # --- Init the simulation values according the real ones
            self._themount_axisb.synchro_real2simu()
            # --- Get the initial position
            res = self._themount.hadec_coord()
            self._themount.log.print("Initial position = {}".format(res))            
            # ======= SCX11
            self._themount.speedslew(10.0,10.0)
            self._themount.hadec_speeddrift(0,0)
            self._themount.disp()
        # =========
        if self._pad_type == None:
            return
        self.tkroot = None
        self._command_history = []
        self._command_history_index = 0
        self.pad_gui_create()
         
    # ==========================================    
    # ==========================================    
    # === pad_dev
    # ==========================================    
    # ==========================================    

    def pad_cbk_stop(self):
        if self._themount!=None:
            with lock:
                self._themount.hadec_stop()

    def pad_cbk_goto(self):
        ha =self.pad_var_ha.get()
        dec = self.pad_var_dec.get()
        side_item = self._pad_combobox_side_hadec.get()
        side_index = self._side_items.index(side_item)
        if self._themount!=None:
            with lock:
                self._themount.hadec_speeddrift(0,0)
                if side_index==0:
                    theside = self._themount.axis[0].PIERSIDE_AUTO
                else:
                    if side_index==1:
                        theside = self._themount.axis[0].PIERSIDE_POS1
                    else:
                        theside = self._themount.axis[0].PIERSIDE_POS2
                #print("side_index={} theside={}".format(side_index, theside))
                self._themount.hadec_goto(ha, dec, side=theside, blocking=False)

    def pad_cbk_name2coord(self):
        name =self.pad_var_object_name.get()
        with lock:
            tools = Mounttools()
            found, ra, dec= tools.name2coord(name)
            if found==1:
                self.pad_var_radec_ra.set(ra)
                self.pad_var_radec_dec.set(dec)

    def pad_cbk_radec_goto(self):
        ra =self.pad_var_radec_ra.get()
        dec = self.pad_var_radec_dec.get()
        side_item = self._pad_combobox_side_radec.get()
        side_index = self._side_items.index(side_item)
        if self._themount!=None:
            with lock:
                self._themount.radec_speeddrift("diurnal",0)
                if side_index==0:
                    theside = self._themount.axis[0].PIERSIDE_AUTO
                else:
                    if side_index==1:
                        theside = self._themount.axis[0].PIERSIDE_POS1
                    else:
                        theside = self._themount.axis[0].PIERSIDE_POS2
                #print("side_index={} theside={}".format(side_index, theside))
                self._themount.radec_goto(ra, dec, side=theside, blocking=False)

    def pad_cbk_compute_coord(self):
        err = self.NO_ERROR
        with lock:
            try:
                if self._themount!=None:
                    ha, dec, side = self._themount.hadec_coord()
                else:
                    ha, dec, side = (0, 0, 0)
                coord = "H.A.="+str(ha)+" Dec="+str(dec)+" "+str(side)
                self.pad_var_coord.set(coord)
                #
                if self._themount!=None:
                    ra2000, dec2000, side_radec = self._themount.radec_coord(EQUINOX="J2000")
                else:
                    ra2000, dec2000, side_radec = (0, 0, 0)
                coord = "R.A.="+str(ra2000)+" Dec="+str(dec2000)+" "+str(side_radec)
                self.pad_var_radec_coord.set(coord)
            except:
                print("pb coord")
                ha, dec, side = (0,0,0)
                err= self.ERR_UNKNOWN
        return err, ha, dec, side

    def pad_cbk_coord_detailed(self):
        err, ha, dec, side = self.pad_cbk_compute_coord()
        if err==self.NO_ERROR:
            if self._themount!=None:
                self._themount.disp()
        
    def pad_cbk_move_n_event(self,event):
        with lock:
            if event.type==tk.EventType.ButtonPress:
                ha_drift_deg_per_sec = 0
                dec_drift_deg_per_sec = -self.pad_var_speed_drift.get()
                duration_s = 0
                if self._themount!=None:
                    self._themount.hadec_move(ha_drift_deg_per_sec, dec_drift_deg_per_sec, duration_s)
            if event.type==tk.EventType.ButtonRelease:
                if self._themount!=None:
                    self._themount.hadec_move_stop()

    def pad_cbk_move_e_event(self,event):
        with lock:
            if event.type==tk.EventType.ButtonPress:
                ha_drift_deg_per_sec = -self.pad_var_speed_drift.get()
                dec_drift_deg_per_sec = 0
                duration_s = 0
                if self._themount!=None:
                    self._themount.hadec_move(ha_drift_deg_per_sec, dec_drift_deg_per_sec, duration_s)
            if event.type==tk.EventType.ButtonRelease:
                if self._themount!=None:
                    self._themount.hadec_move_stop()
            
    def pad_cbk_move_w_event(self,event):
        with lock:
            if event.type==tk.EventType.ButtonPress:
                ha_drift_deg_per_sec = self.pad_var_speed_drift.get()
                dec_drift_deg_per_sec = 0
                duration_s = 0
                if self._themount!=None:
                    self._themount.hadec_move(ha_drift_deg_per_sec, dec_drift_deg_per_sec, duration_s)
            if event.type==tk.EventType.ButtonRelease:
                if self._themount!=None:
                    self._themount.hadec_move_stop()
            
    def pad_cbk_move_s_event(self,event):
        with lock:
            if event.type==tk.EventType.ButtonPress:
                ha_drift_deg_per_sec = 0
                dec_drift_deg_per_sec = self.pad_var_speed_drift.get()
                duration_s = 0
                if self._themount!=None:
                    self._themount.hadec_move(ha_drift_deg_per_sec, dec_drift_deg_per_sec, duration_s)
            if event.type==tk.EventType.ButtonRelease:
                if self._themount!=None:
                    self._themount.hadec_move_stop()

    def pad_cbk_park(self):
        with lock:
            if False:
                ha = 90
                dec = 90
                theside = self._themount.axis[0].PIERSIDE_POS1
                self._themount.hadec_goto(ha, dec, side=theside, blocking=False)
            else:
                self._themount.goto_park()
    
    def pad_cbk_quit(self):
        self.pad_gui_delete()

    def pad_cbk_console(self, event):
        command =self.pad_var_console.get()
        self.pad_cbk_command(command)        
        
    def pad_cbk_command(self, command): 
        res = ""
        with lock:
            try:
                exec(f"""locals()['temp'] = {command}""")
                res = locals()['temp']
                #exec(f"""globals()['temp'] = {command}""")
                #res = globals()['temp']
                #print("res={}".format(res))
            except Exception as err:
                res = err
            #print("type(res)={}".format(type(res)))
            #print("(2) res={}".format(res))
            self.text_console.insert(tk.END,command+"\n","command")
            self.text_console.yview_moveto(1.0)
            res = "# "+str(res)+"\n"
            self.text_console.insert(tk.END,res,"result")
            self.text_console.yview_moveto(1.0)
            self._command_history.append(command)
            self._command_history_index = len(self._command_history)
            command =self.pad_var_console.set("")
        return res
        
    def pad_cbk_disp_message(self, message, tag):
        with lock:
            self.text_console.insert(tk.END, message, tag)
            self.text_console.yview_moveto(1.0)
            self.tkroot.update()
    
    def pad_cbk_command_prev(self, event):
        k = self._command_history_index
        k -= 1
        if k>=0:
            self._command_history_index = k
            command = self._command_history[k]
            self.pad_var_console.set(command)
    
    def pad_cbk_command_next(self, event):
        n = len(self._command_history)
        k = self._command_history_index
        k += 1
        if k<n:
            self._command_history_index = k
            command = self._command_history[k]
            self.pad_var_console.set(command)

    def pad_cbk_compute_lst(self):
        with lock:
            if self._themount!=None:
                angle = str(self._themount.site.longitude)
            else:
                angle = str(0)
            date = celme.Date("now")
            jd = date.jd()
            dateiso = date.iso(0," ")
            longuai = celme.Angle(angle).rad()
            meca = celme.Mechanics()
            lst = meca._mc_tsl(jd,-longuai)
            ang = celme.Angle(str(lst)+"r")
            lst_hms = ang.sexagesimal("H0.0")
            self.pad_var_date.set("UTC {}".format(dateiso))
            self.pad_var_lst.set("Local Sideral Time {}".format(lst_hms))
        
    def pad_gui_delete(self):
        # --- kill the threads
        try:
            self._pad_repeat.stop()
        except:
            pass
        #time.sleep(1.0)        
        try:
            self._pad_server.stop()
        except:
            pass
        #time.sleep(0.5)
        # --- quit() makes the exit of the Tk mainloop
        self.tkroot.quit()
        # --- We can destroy the windows of the gui
        self.tkroot.destroy()

    def pad_gui_create(self):
        self.tkroot = tk.Tk()
        fontStyle_1 = tkFont.Font(family="Arial", size=14, weight="bold")
        fontStyle_2 = tkFont.Font(family="Arial", size=12, weight="bold")
        fontStyle_3 = tkFont.Font(family="Arial", size=10, weight="bold")
        
        # === Frame of Date & Local Sideral Time
        self.pad_var_date = tk.StringVar()
        self.pad_var_lst = tk.StringVar()
        frame_lst = tk.Frame(self.tkroot)
        label_date = tk.Label(frame_lst, textvariable=self.pad_var_date, font=fontStyle_2)
        label_date.pack(side = tk.TOP)
        label_lst = tk.Label(frame_lst, textvariable=self.pad_var_lst, font=fontStyle_2)
        label_lst.pack(side = tk.TOP)
        frame_lst.pack(side = tk.TOP, pady=5)

        # === Frame of HA,Dec COORD
        self.pad_var_coord=tk.StringVar()
        frame_coord = tk.Frame(self.tkroot)
        label_coord = tk.Label(frame_coord, textvariable=self.pad_var_coord, font=fontStyle_1)
        label_coord.pack(side = tk.LEFT)
        button_coord = tk.Button(frame_coord, text="DETAILS", command=self.pad_cbk_coord_detailed, font=fontStyle_3)
        button_coord.pack(side = tk.LEFT)
        frame_coord.pack(side = tk.TOP, pady=5)
        
        # === Frame of HA,Dec GOTO
        self.pad_var_ha = tk.StringVar()
        self.pad_var_dec = tk.StringVar()
        frame_goto = tk.Frame(self.tkroot)
        label_ha = tk.Label(frame_goto, text="HA", font=fontStyle_3)
        label_ha.pack(side = tk.LEFT)
        entry_ha = tk.Entry(frame_goto, textvariable=self.pad_var_ha, font=fontStyle_3)
        entry_ha.pack(side = tk.LEFT)
        label_dec = tk.Label(frame_goto, text="Dec", font=fontStyle_3)
        label_dec.pack(side = tk.LEFT)
        entry_dec = tk.Entry(frame_goto, textvariable=self.pad_var_dec, font=fontStyle_3)
        entry_dec.pack(side = tk.LEFT)
        label_side = tk.Label(frame_goto, text="Side", font=fontStyle_3)
        label_side.pack(side = tk.LEFT)
        self._pad_combobox_side_hadec = ttk.Combobox(frame_goto,values=self._side_items)
        self._pad_combobox_side_hadec.current(0)
        self._pad_combobox_side_hadec.pack(side = tk.LEFT)
        button_goto = tk.Button(frame_goto, text="GOTO", command=self.pad_cbk_goto, font=fontStyle_3)
        button_goto.pack(side = tk.LEFT)
        frame_goto.pack(side = tk.TOP, pady=5)
        self.pad_var_ha.set("Oh")
        self.pad_var_dec.set("Od")

        # === Frame of RA,Dec COORD
        self.pad_var_radec_coord=tk.StringVar()
        frame_radec_coord = tk.Frame(self.tkroot)
        label_radec_coord = tk.Label(frame_radec_coord, textvariable=self.pad_var_radec_coord, font=fontStyle_1)
        label_radec_coord.pack(side = tk.LEFT)
        frame_radec_coord.pack(side = tk.TOP, pady=5)
        self.pad_var_radec_coord.set("")

        # === Frame of name resolver
        self.pad_var_object_name = tk.StringVar()
        frame_name2coord = tk.Frame(self.tkroot)
        label_name2coord_name = tk.Label(frame_name2coord, text="Object name", font=fontStyle_3)
        label_name2coord_name.pack(side = tk.LEFT)
        entry_name2coord_name = tk.Entry(frame_name2coord, textvariable=self.pad_var_object_name, font=fontStyle_3)
        entry_name2coord_name.pack(side = tk.LEFT)
        button_name2coord_resolver = tk.Button(frame_name2coord, text="Get coordinates", command=self.pad_cbk_name2coord, font=fontStyle_3)
        button_name2coord_resolver.pack(side = tk.LEFT)
        frame_name2coord.pack(side = tk.TOP, pady=5)
        self.pad_var_object_name.set("vega")

        # === Frame of RA,Dec GOTO
        self.pad_var_radec_ra = tk.StringVar()
        self.pad_var_radec_dec = tk.StringVar()
        frame_radec_goto = tk.Frame(self.tkroot)
        label_radec_ra = tk.Label(frame_radec_goto, text="RA", font=fontStyle_3)
        label_radec_ra.pack(side = tk.LEFT)
        entry_radec_ra = tk.Entry(frame_radec_goto, textvariable=self.pad_var_radec_ra, font=fontStyle_3)
        entry_radec_ra.pack(side = tk.LEFT)
        label_radec_dec = tk.Label(frame_radec_goto, text="Dec", font=fontStyle_3)
        label_radec_dec.pack(side = tk.LEFT)
        entry_radec_dec = tk.Entry(frame_radec_goto, textvariable=self.pad_var_radec_dec, font=fontStyle_3)
        entry_radec_dec.pack(side = tk.LEFT)
        label_radec_side = tk.Label(frame_radec_goto, text="Side", font=fontStyle_3)
        label_radec_side.pack(side = tk.LEFT)
        self._pad_combobox_side_radec = ttk.Combobox(frame_radec_goto,values=self._side_items)
        self._pad_combobox_side_radec.current(0)
        self._pad_combobox_side_radec.pack(side = tk.LEFT)
        button_radec_goto = tk.Button(frame_radec_goto, text="GOTO", command=self.pad_cbk_radec_goto, font=fontStyle_3)
        button_radec_goto.pack(side = tk.LEFT)
        frame_radec_goto.pack(side = tk.TOP, pady=5)
        self.pad_var_radec_ra.set(self.pad_var_lst.get())
        self.pad_var_radec_dec.set("Od")

        # === Frame of HA,Dec MOVE
        self.pad_var_speed_drift=tk.DoubleVar()
        self.pad_var_speed_drift.set(1)
        frame_move = tk.Frame(self.tkroot)
        # Configuration of the grid manager
        self.tkroot.rowconfigure(0, weight=1)
        self.tkroot.columnconfigure(0, weight=1)
        button_N = tk.Button(frame_move, text="N", height=3, width=10, font=fontStyle_1)
        button_N.grid(row=0, column=1, sticky="nsew")
        button_N.bind('<Button-1>',self.pad_cbk_move_n_event)
        button_N.bind('<ButtonRelease>',self.pad_cbk_move_n_event)
        button_E = tk.Button(frame_move, text="E", height=3, width=10, font=fontStyle_1)
        button_E.bind('<Button-1>',self.pad_cbk_move_e_event)
        button_E.bind('<ButtonRelease>',self.pad_cbk_move_e_event)
        button_E.grid(row=1, column=0, sticky="nsew")
        entry_speed_drift = tk.Entry(frame_move, textvariable=self.pad_var_speed_drift, width=10, justify='center', font=fontStyle_1)
        entry_speed_drift.grid(row=1, column=1, sticky="nsew")
        button_W = tk.Button(frame_move, text="W", height=3, width=10, font=fontStyle_1)
        button_W.bind('<Button-1>',self.pad_cbk_move_w_event)
        button_W.bind('<ButtonRelease>',self.pad_cbk_move_w_event)
        button_W.grid(row=1, column=2, sticky="nsew")
        button_S = tk.Button(frame_move, text="S", height=3, width=10, font=fontStyle_1)
        button_S.bind('<Button-1>',self.pad_cbk_move_s_event)
        button_S.bind('<ButtonRelease>',self.pad_cbk_move_s_event)
        button_S.grid(row=2, column=1, sticky="nsew")
        frame_move.pack(side = tk.TOP, pady=5)
        
        frame_stop = tk.Frame(self.tkroot)
        button_stop = tk.Button(frame_stop, text="STOP", command=self.pad_cbk_stop, font=fontStyle_3)
        button_stop.pack(side = tk.LEFT)
        frame_stop.pack(side = tk.TOP, pady=5)
            
        frame_bottom = tk.Frame(self.tkroot)        
        button_park = tk.Button(frame_bottom, text="Park", command=self.pad_cbk_park, font=fontStyle_3)
        button_park.pack(side = tk.LEFT, padx=5, pady=5)
        button_quit = tk.Button(frame_bottom, text="Quit", command=self.pad_cbk_quit, font=fontStyle_3)
        button_quit.pack(side = tk.LEFT, padx=5, pady=5)
        frame_bottom.pack(side = tk.TOP, pady=5)

        self.pad_var_console = tk.StringVar()
        frame_console = tk.Frame(self.tkroot)        
        self.text_console = tk.Text(frame_console, height=6, wrap="word", font=fontStyle_3)
        self.text_console.pack(side = tk.TOP, padx=5, pady=1)
        self.text_console.tag_config('command', foreground="red")
        self.text_console.tag_config('result', foreground="blue")
        self.text_console.tag_config('remote', foreground="green")
        entry_console = tk.Entry(frame_console, textvariable=self.pad_var_console, font=fontStyle_3)
        entry_console.pack(side = tk.TOP, padx=5, pady=1, fill="both")
        entry_console.bind("<Return>", self.pad_cbk_console)
        entry_console.bind("<Up>", self.pad_cbk_command_prev)
        entry_console.bind("<Down>", self.pad_cbk_command_next)
        frame_console.pack(side = tk.TOP, pady=5)

        self._pad_repeat = UniversalPadRepeat(self)
        self._pad_repeat.start()
        self._pad_server = UniversalPadServer(self, "TCP", port=1111)
        self._pad_server.start()
        try:
            self.tkroot.mainloop()
        except:
            pass

if __name__ == "__main__":

    example = 1
    print("Example       = {}".format(example))

    if example == 1:

        # --- try to catch the Ctrl+C interrupt
        try:
            # --- We launch the pad
            pad = UniversalPad("astromecca")
            try:
                pad.pad_gui_delete()
                #print("Cas 1")
            except:
                pass
                #print("Unexpected error:", sys.exc_info()[0])
                #print("Cas 2")
        except:
            print("Unexpected error:", sys.exc_info()[0])