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Add line buffering options

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This commit is contained in:
Bruce Hill 2025-02-24 14:41:40 -05:00
parent 5f3fdf2600
commit c26b6eac57
2 changed files with 30 additions and 9 deletions
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37
Python/btui.py
View File

@ -131,6 +131,8 @@ class ClearType(enum.IntEnum):
RIGHT = 5 RIGHT = 5
class BTUI: class BTUI:
_autoflush = True
@contextmanager @contextmanager
def attributes(self, *attrs): def attributes(self, *attrs):
self.set_attributes(*attrs) self.set_attributes(*attrs)
@ -148,7 +150,8 @@ class BTUI:
if isinstance(clear_type, str): if isinstance(clear_type, str):
clear_type = ClearType[clear_type.upper()] clear_type = ClearType[clear_type.upper()]
libbtui.btui_clear(self._btui, clear_type) libbtui.btui_clear(self._btui, clear_type)
libbtui.btui_flush(self._btui) if self._autoflush:
libbtui.btui_flush(self._btui)
def disable(self): def disable(self):
libbtui.btui_disable(self._btui) libbtui.btui_disable(self._btui)
@ -183,12 +186,21 @@ class BTUI:
def fill_box(self, x, y, w, h): def fill_box(self, x, y, w, h):
assert self._btui assert self._btui
libbtui.btui_fill_box(self._btui, int(x), int(y), int(w), int(h)) libbtui.btui_fill_box(self._btui, int(x), int(y), int(w), int(h))
libbtui.btui_flush(self._btui) if self._autoflush:
libbtui.btui_flush(self._btui)
def flush(self): def flush(self):
assert self._btui assert self._btui
libbtui.btui_flush(self._btui) libbtui.btui_flush(self._btui)
@contextmanager
def buffered(self):
assert self._btui
self._autoflush = False
yield
self._autoflush = True
self.flush()
def getkey(self, timeout=None): def getkey(self, timeout=None):
assert self._btui assert self._btui
timeout = -1 if timeout is None else int(timeout) timeout = -1 if timeout is None else int(timeout)
@ -210,29 +222,34 @@ class BTUI:
def move(self, x, y): def move(self, x, y):
assert self._btui assert self._btui
libbtui.btui_move_cursor(self._btui, int(x), int(y)) libbtui.btui_move_cursor(self._btui, int(x), int(y))
libbtui.btui_flush(self._btui) if self._autoflush:
libbtui.btui_flush(self._btui)
def set_cursor(self, cursor_type=CursorType.DEFAULT): def set_cursor(self, cursor_type=CursorType.DEFAULT):
assert self._btui assert self._btui
if isinstance(cursor_type, str): if isinstance(cursor_type, str):
cursor_type = CursorType[cursor_type.upper()] cursor_type = CursorType[cursor_type.upper()]
libbtui.btui_set_cursor(self._btui, cursor_type) libbtui.btui_set_cursor(self._btui, cursor_type)
libbtui.btui_flush(self._btui) if self._autoflush:
libbtui.btui_flush(self._btui)
def hide_cursor(self): def hide_cursor(self):
assert self._btui assert self._btui
libbtui.btui_hide_cursor(self._btui) libbtui.btui_hide_cursor(self._btui)
libbtui.btui_flush(self._btui) if self._autoflush:
libbtui.btui_flush(self._btui)
def show_cursor(self): def show_cursor(self):
assert self._btui assert self._btui
libbtui.btui_show_cursor(self._btui) libbtui.btui_show_cursor(self._btui)
libbtui.btui_flush(self._btui) if self._autoflush:
libbtui.btui_flush(self._btui)
def outline_box(self, x, y, w, h): def outline_box(self, x, y, w, h):
assert self._btui assert self._btui
libbtui.btui_draw_linebox(self._btui, int(x), int(y), int(w), int(h)) libbtui.btui_draw_linebox(self._btui, int(x), int(y), int(w), int(h))
libbtui.btui_flush(self._btui) if self._autoflush:
libbtui.btui_flush(self._btui)
def scroll(self, firstline, lastline=None, amount=None): def scroll(self, firstline, lastline=None, amount=None):
assert self._btui assert self._btui
@ -240,7 +257,8 @@ class BTUI:
amount = firstline amount = firstline
firstline, lastline = 0, self.height-1 firstline, lastline = 0, self.height-1
libbtui.btui_scroll(self._btui, firstline, lastline, amount) libbtui.btui_scroll(self._btui, firstline, lastline, amount)
libbtui.btui_flush(self._btui) if self._autoflush:
libbtui.btui_flush(self._btui)
def set_attributes(self, *attrs): def set_attributes(self, *attrs):
assert self._btui assert self._btui
@ -285,7 +303,8 @@ class BTUI:
def write_bytes(self, b): def write_bytes(self, b):
assert self._btui assert self._btui
libbtui.btui_puts(self._btui, b) libbtui.btui_puts(self._btui, b)
libbtui.btui_flush(self._btui) if self._autoflush:
libbtui.btui_flush(self._btui)
def delay(fn): def delay(fn):
@functools.wraps(fn) @functools.wraps(fn)

2
README.md
View File

@ -181,6 +181,8 @@ class BTUI:
def attributes(self, *attrs): def attributes(self, *attrs):
@contextmanager @contextmanager
def bg(self, r, g, b): # R,G,B values are [0.0, 1.0] def bg(self, r, g, b): # R,G,B values are [0.0, 1.0]
@contextmanager
def buffered(self):
def clear(self, mode='screen'): def clear(self, mode='screen'):
def disable(self): def disable(self):
@contextmanager @contextmanager