some progress :)
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rtxMask.py
201
rtxMask.py
@ -12,104 +12,141 @@ import config
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import cept
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class rtxMask:
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""" Klasse zur Verarbeitung einer Eingabemaske
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"""
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""" Klasse zur Verarbeitung einer Eingabemaske
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"""
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lines = []
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answers = []
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lines = []
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answers = []
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def __init__(self):
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def __init__(self):
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def addLine(x, y, length):
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""" adds a new line for the mask to the object """
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newLine['x'] = x
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newLine['y'] = y
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newLine['length'] = length
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self.lines.append(newLine)
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def addLine(x, y, length):
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""" adds a new line for the mask to the object """
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newLine['x'] = x
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newLine['y'] = y
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newLine['length'] = length
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self.lines.append(newLine)
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def get_answer(self, nr):
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""" returns the answer for a specific line """
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if nr >= 0 and nr <= len(self.answers):
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return self.answers[nr]
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else
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return False
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def get_answer(self, nr):
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""" returns the answer for a specific line """
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if nr >= 0 and nr <= len(self.answers):
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return self.answers[nr]
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else
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return False
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def get_answers(self):
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""" returns the array of all answers """
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return self.answers
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def get_answers(self):
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""" returns the array of all answers """
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return self.answers
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def _pos_cur_to_line(self, line):
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""" positions the cursor to the beginning of a line """
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zeile=self.lines[line]
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self._pos_cur_to_xy(zeile['x'], zeile['y'])
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def _pos_cur_to_line(self, line):
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""" positions the cursor to the beginning of a line """
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zeile=self.lines[line]
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self._pos_cur_to_xy(zeile['x'], zeile['y'])
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def _pos_cur_to_xy(self, x, y):
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""" positions the cursor to a (x,y) position on screen """
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toX=0x41 + x
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toY=0x41 + y
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gotoString = "\x1f" + chr(toX) + chr(toY)
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glob.ser.write(bytes(gotoString, "latin-1"))
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def _pos_cur_to_xy(self, x, y):
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""" positions the cursor to a (x,y) position on screen """
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toX=0x41 + x
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toY=0x41 + y
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gotoString = "\x1f" + chr(toX) + chr(toY)
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glob.ser.write(bytes(gotoString, "latin-1"))
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def _set_str_at_pos(self, char, pos, line):
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""" changes the 'char' at a position 'pos' of a specific answer 'line' """
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zeile = self.answers[line]
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def _set_str_at_pos(self, char, pos, line):
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""" changes the 'char' at a position 'pos' of a specific answer 'line' """
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zeile = self.answers[line]
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# if the line is shorter than the position, add spaces
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while len(zeile) < pos:
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zeile += " "
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# if the line is shorter than the position, add spaces
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while len(zeile) < pos:
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zeile += " "
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zeile = zeile[:pos-1] + char + zeile[pos:]
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answers[line] = zeile
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zeile = zeile[:pos-1] + char + zeile[pos:]
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answers[line] = zeile
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"""
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def _cut_off_rest_of_line(self, line, pos):
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""" erases the rest of the line from the 'lines' variable and from the screen """
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zeile = self.answers[line]
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self.answers[line] = zeile[:pos]
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def _cut_off_rest_of_line(self, line, pos):
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""" erases the rest of the line from the 'lines' variable and from the screen """
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zeile = self.answers[line]
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self.answers[line] = zeile[:pos]
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if zeile[pos:] != "":
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numOfSpaces = len(zeile[pos:])
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spaces = " " * numOfSpaces
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backSpaces = cept.BSP * numOfSpaces
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glob.ser.write(bytes(spaces + backSpaces, "latin-1"))
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"""
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def process_input(self):
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""" reads the input from the client, fills the mask and gets the input """
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if zeile[pos:] != "":
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numOfSpaces = len(zeile[pos:])
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spaces = " " * numOfSpaces
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backSpaces = "\x08" * numOfSpaces
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glob.ser.write(bytes(spaces + backSpaces, "latin-1"))
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# if there have no input lines been defined, no input can be processed - so exit the function
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if len(lines) == 0:
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logging.debug("Keine Zeilen in der Maske definiert!")
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return False
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def process_input(self):
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""" reads the input from the client, fills the mask and gets the input """
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# position the cursor into the first field
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self._pos_cur_to_line(lines[0])
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if len(lines) == 0:
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logging.debug("Keine Zeilen in der Maske definiert!")
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return False
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posx = 0 # cursor position inside the line - max. position is length-1
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posy = 0 # the current line - max. number is len(lines)-1
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# position the cursor into the first field
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self._pos_cur_to_line(lines[1])
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posx = 0 # cursor position inside the line - max. position is length-1
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posy = 0 # the current line - max. number is len(lines)-1
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weiter = True
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# read input and interpret it
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while weiter==True:
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# if the modem hangs up, exit the function:
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#if config.MODE == "modem" and glob.ser.getCD() == False:
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# weiter=False
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in_byte = glob.ser.read(1)
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instr = str(in_byte, encoding="latin-1")
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echostr = instr
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weiter = True
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# read input and interpret it
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while weiter==True:
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# if the modem hangs up, exit the function:
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#if config.MODE == "modem" and glob.ser.getCD() == False:
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# weiter=False
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in_byte = glob.ser.read(1)
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instr = str(in_byte, encoding="latin-1")
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echostr = instr
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if instr == cept.TER or instr == cept.CR:
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# go to the beginning of the next line
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# or finish the mask
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if posy == len(lines)-1:
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# this was the last line, now send the data
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# TODO: weitermachen
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else:
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# go to the beginning of the next line
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posy += 1
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posx = 0
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self._pos_cur_to_line(lines[posy])
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elif instr == cept.BSP:
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answers[posy] = answers[posy][:-1]
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posx -= 1
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elif instr == cept.UP:
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# if the cursor is in the first line, we can't go higher...
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# so we ignore the keypress
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echostr = "" # no echo needed, we position the curser ourselves
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if posy > 0:
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posy -= 1
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posx = 0
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self._pos_cur_to_line(lines[posy])
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elif instr == cept.DOWN:
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# same here: last line => it can't go lower => ignore
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echostr = "" # no echo needed, we position the curser ourselves
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if posy < len(self.lines):
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posy += 1
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posx = 0
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self._pos_cur_to_line(lines[posy])
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elif instr == cept.LEFT:
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if posx > 0:
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posx -= 1
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else:
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echostr = ""
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elif instr == cept.RIGHT:
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if posx < len(answers[posy]):
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posx += 1
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else:
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echostr = ""
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elif instr == cept.SEND: # ist das DCT??
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# TODO: send data
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elif instr.isalnum():
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# "normal" input
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# TODO: lineinput == Zeilenende beachten
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self._set_str_at_pos(instr, posx, posy)
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posx += 1
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else:
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# ignore the rest and do not echo it :)
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echostr = ""
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if instr == cept.TER or instr == cept.CR:
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if posy == len(lines)-1:
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# this was the last line, now send the data
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# TODO
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weiter = False
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elif instr.isalnum():
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self._set_str_at_pos(instr, posx, posy)
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posx += 1
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elif instr == cept.BSP:
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answers[posy] = answers[posy][:-1]
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posx -= 1
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else:
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echostr = ""
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# lineinput == Zeilenende beachten
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glob.ser.write(bytes(echostr, "latin-1"))
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# now send the echo
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glob.ser.write(bytes(echostr, "latin-1"))
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