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asciitest.py
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asciitest.py
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import time
import pride.vmlibrary
import asciimatics.screen
class Terminal(pride.vmlibrary.Process):
defaults = {"cursor" : chr(95)}
mutable_defaults = {"line" : bytearray}
flags = {"line_count" : -1, "cursor_position" : -1}
def __init__(self, **kwargs):
super(Terminal, self).__init__(**kwargs)
screen = self.screen = asciimatics.screen.Screen.open()
self._blank_line = (b" " * (screen.dimensions[1] - 2)) + "\r\n"
def run(self):
screen = self.screen
event = screen.get_event()
while event is not None:
#self.alert("Got event: {}", (event, ), level=0)
if hasattr(event, "key_code"):
self.handle_keyboard_event(event.key_code)
else:
self.handle_mouse_event(event.x, event.y, event.buttons)
event = screen.get_event()
screen.refresh()
def handle_keyboard_event(self, ordinal):
if ordinal > 0:
screen = self.screen
dimensions = screen.dimensions
self.line.append(ordinal)
width = dimensions[1]
if ordinal == 13 or len(self.line) == width:
self.line_count = min(self.line_count + 1, dimensions[0] - 1)
# self.clear_line(self.line_count)
screen.print_at(bytes(self.line), 0, self.line_count)
screen.print_at("\x00", len(self.line), self.line_count - 1)
self.line = bytearray()
screen.print_at(self.cursor, 0, self.line_count + 1)
else:
screen.print_at(chr(ordinal), len(self.line) - 1, self.line_count + 1)
screen.print_at(self.cursor, len(self.line), self.line_count + 1)
#screen.print_at(bytes(bytearray(range(80))), 0, self.line_count)
#screen.print_at(bytes(bytearray(range(80, 160))), 0, self.line_count + 1)
#screen.print_at(bytes(bytearray(range(160, 240))), 0, self.line_count + 2)
#screen.print_at(bytes(bytearray(range(240, 256))), 0, self.line_count + 3)
# if self.line_count == dimensions[0] - 1:
# ## #self.line_count = -1
# ## #self.clear_line(0)
# self.screen.scroll_to(self.line_count)
# else:
# self.alert("Unsupported key: {}", (ordinal, ), level=0)
def clear_line(self, line_number):
self.screen.print_at(self._blank_line, 0, line_number)
def clear(self):
for line in range(self.screen.dimensions[0]):
self.screen.print_at(self._blank_line, 0, line)
def handle_mouse_event(self, x, y, buttons):
pass
def delete(self):
super(Terminal, self).delete()
self.screen.close()
if __name__ == "__main__":
terminal = Terminal()