def _render(self, highlight_color: VtColors, nav_color: VtColors) -> None:
"""TODO"""
length = len(self.items)
dummy, columns = screen_size()
restore_cursor()
for idx in range(self.show_from, self.show_to):
selector = self.UNSELECTED
if idx < length: # When the number of items is lower than the max_rows, skip the other lines
option_line = str(self.items[idx])[0:int(columns)]
vt_print('%EL2%\r') # Erase current line before repaint
# Print the selector if the index is currently selected
if idx == self.sel_index:
vt_print(highlight_color.code())
selector = self.SELECTED
fmt = " {:>" + str(len(
str(length))) + "}{:>" + str(1 +
len(str(selector))) + "} {}"
sysout(fmt.format(idx + 1, selector, option_line))
# Check if the text fits the screen and print it, otherwise print '...'
if len(option_line) >= int(columns):
sysout("%CUB(4)%%EL0%...%NC%", end='')
else:
break
sysout(self.NAV_FMT.format(nav_color.placeholder(), self.NAV_ICONS,
str(length)),
end='')
self.re_render = False
def restore_terminal(clear_screen: bool = True):
"""Clear terminal and restore default attributes"""
if clear_screen:
vt_print('%HOM%%ED2%%MOD(0)%')
set_auto_wrap()
set_show_cursor()
set_enable_echo()
sysout('%NC%')
def mi_print(size: int = 0,
text: str = None,
prepend: str = None,
end: str = '') -> None:
fmt = ('{}' if prepend else '') + "{:<" + str(size) + "} : "
if prepend:
vt_print(fmt.format(prepend, text), end=end)
else:
vt_print(fmt.format(text or ''), end=end)
def _print_cell(self, idx: int, item: DashboardItem,
cell_template: List[List[str]]) -> None:
"""TODO"""
num_cols, num_rows = len(cell_template[0]), len(cell_template)
for row in range(0, num_rows):
for col in range(0, num_cols):
vt_print(
f'{item.icon if cell_template[row][col] == self.ICN else cell_template[row][col]}'
)
vt_print(f'%CUD(1)%%CUB({num_cols})%')
if idx > 0 and (idx + 1) % self.items_per_line == 0:
vt_print(f'%CUD(1)%%CUB({num_cols * self.items_per_line})%'
) # Break the line
elif idx + 1 < len(self.items):
vt_print(f'%CUU({num_rows})%%CUF({num_cols})%'
) # Continue with the same line
def restore_cursor():
"""Restore cursor position and attributes"""
vt_print(Vt100.restore_cursor())
def save_cursor():
"""Save cursor position and attributes"""
vt_print(Vt100.save_cursor())
def set_show_cursor(show_cursor: bool = True):
"""Show or hide cursor in the terminal
:param show_cursor: whether to show or hide he cursor
"""
vt_print(Vt100.set_show_cursor(show_cursor))
def set_auto_wrap(auto_wrap: bool = True) -> None:
"""Set auto-wrap mode in the terminal
:param auto_wrap: whether auto_wrap is set or not
"""
vt_print(Vt100.set_auto_wrap(auto_wrap))
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
TODO Purpose of the file
@project: HSPyLib
hspylib.demo.cli.vt100
@file: vt100_demo.py
@created: Tue, 4 May 2021
@author: <B>H</B>ugo <B>S</B>aporetti <B>J</B>unior"
@site: https://github.com/yorevs/hspylib
@license: MIT - Please refer to <https://opensource.org/licenses/MIT>
Copyright 2021, HSPyLib team
"""
from hspylib.modules.cli.vt100.vt_codes import vt_print
if __name__ == '__main__':
vt_print('%CSV%')
vt_print('%MOD(1;35)%HUGO%MOD(0)%\n')
vt_print('%MOD(1;33)%HUGO%MOD(0)%\n')
vt_print('%CUU(2)%')
vt_print('%MOD(1;36)%GE%MOD(0)%\n')
vt_print('%USC%HIDDEN_TEXT\n')
vt_print('%SSC%VISIBLE_TEXT\n')
vt_print('%CRE%')
vt_print('Done')