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Extended print with newline and center char #5

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Extended print with newline and center char #5

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21 changes: 16 additions & 5 deletions lcd_i2c/lcd_i2c.py
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,8 @@ def __init__(self,
self._display_mode: int = 0
self._display_function: int = 0
self._cursor_position: Tuple[int, int] = (0, 0) # (x, y)
self._newline_char="\n"
self._center_char="\c"

@property
def addr(self) -> int:
Expand Down Expand Up @@ -396,15 +398,23 @@ def create_char(self, location: int, charmap: List[int]) -> None:
def print(self, text: str) -> None:
"""
Print text on LCD

:param test: Text to show on the LCD
:type text: str
Note:
- if self._newline_char is passed line will be broken there
- if self._center_char is found, line will be centered
"""
_cursor_x, _cursor_y = self.cursor_position

for char in text:
self._command(value=ord(char), mode=Const.RS)

split_str=text.split(self._newline_char)
for line in split_str:
if line.find('\c')>=0:
newline=line.strip('\c')
newline=newline.center(self._cols)
else:
newline=line
for char in newline:
self._command(value=ord(char), mode=Const.RS)
self.set_cursor(0,1)
self.cursor_position = (_cursor_x + len(text), _cursor_y)

def _command(self, value: int, mode: int = 0) -> None:
Expand Down Expand Up @@ -452,3 +462,4 @@ def _expander_write(self, value: int) -> None:
:type value: int
"""
self._i2c.writeto(self.addr, bytes([value | self._backlightval]))