def edit_multiline(default_text=""):
kb = KeyBindings()
@kb.add('c-q')
@kb.add('escape', 'enter')
def exit_(event):
"""
Pressing Ctrl-Q, Alt+Enter or Esc + Enter will exit the editor.
"""
event.app.exit(textf.text)
@kb.add('c-c')
def do_copy(event):
data = textf.buffer.copy_selection()
get_app().clipboard.set_data(data)
@kb.add('c-x', eager=True)
def do_cut(event):
data = textf.buffer.cut_selection()
get_app().clipboard.set_data(data)
@kb.add('c-z')
def do_undo(event):
textf.buffer.undo()
@kb.add('c-y')
def do_redo(event):
textf.buffer.redo()
@kb.add('c-a')
def do_select_all(event):
textf.buffer.cursor_position = 0
textf.buffer.start_selection()
textf.buffer.cursor_position = len(textf.buffer.text)
update_stored_pos(None)
@kb.add('c-v')
def do_paste(event):
textf.buffer.paste_clipboard_data(get_app().clipboard.get_data())
@kb.add('left')
def kb_left(event):
textf.buffer.selection_state = None
if textf.buffer.cursor_position != 0 and textf.text[
textf.buffer.cursor_position - 1] == '\n':
textf.buffer.cursor_up()
textf.buffer.cursor_right(len(textf.text))
else:
textf.buffer.cursor_left()
update_stored_pos(None)
@kb.add('right')
def kb_right(event):
textf.buffer.selection_state = None
if textf.buffer.cursor_position < len(textf.text) and textf.text[
textf.buffer.cursor_position] == '\n':
textf.buffer.cursor_down()
textf.buffer.cursor_left(len(textf.text))
else:
textf.buffer.cursor_right()
update_stored_pos(None)
@kb.add('home')
def kb_home(event):
textf.buffer.selection_state = None
width = getTermWidth()
doc = textf.document
if textf.buffer.cursor_position == doc._line_start_indexes[
cursor_row()] + int(cursor_col() / width) * width:
textf.buffer.cursor_position = doc._line_start_indexes[
cursor_row()]
else:
textf.buffer.cursor_position = doc._line_start_indexes[
cursor_row()] + int(cursor_col() / width) * width
update_stored_pos(None)
@kb.add('end')
def kb_end(event):
textf.buffer.selection_state = None
width = getTermWidth()
doc = textf.document
row = cursor_row()
if textf.buffer.cursor_position == doc._line_start_indexes[row] + (
int(cursor_col() / width) + 1) * width - 1:
textf.buffer.cursor_position = doc._line_start_indexes[row] + len(
doc.current_line)
else:
textf.buffer.cursor_position = min(
doc._line_start_indexes[row] +
(int(cursor_col() / width) + 1) * width - 1,
doc._line_start_indexes[row] + len(doc.current_line))
update_stored_pos(None)
@kb.add('up')
def kb_up(event):
textf.freezestore = True
width = getTermWidth()
doc = textf.document
textf.buffer.selection_state = None
col = cursor_col()
row = cursor_row()
if width > 9000: # A failsafe in case the terminal size is incorrectly detected
textf.buffer.cursor_up()
return
if col >= width: # Move one row up staying on the same line
textf.buffer.cursor_position = doc._line_start_indexes[row] + int(
col / width - 1) * width + textf.stored_cursor_pos
elif row >= 1: # Moving up to a different line
prevlinelen = len(doc.lines[row - 1])
textf.buffer.cursor_position = min(
doc._line_start_indexes[row] - 1,
doc._line_start_indexes[row - 1] +
int(prevlinelen / width) * width + textf.stored_cursor_pos)
else: # Cursor is on the first row of first line
textf.buffer.cursor_position = 0
textf.freezestore = False
update_stored_pos(None)
@kb.add('down')
def kb_down(event):
textf.freezestore = True
width = getTermWidth()
doc = textf.document
textf.buffer.selection_state = None
col = cursor_col()
row = cursor_row()
nextlinelen = len(doc.lines[row +
1]) if row < len(doc.lines) - 1 else -1
if width > 9000: # A failsafe in case the terminal size is incorrectly detected
textf.buffer.cursor_down()
return
if col <= len(doc.current_line
) - width: # Move one row down staying on the same line
textf.buffer.cursor_position = doc._line_start_indexes[row] + int(
col / width + 1) * width + textf.stored_cursor_pos
elif nextlinelen < 0: # Move to the very end
textf.buffer.cursor_position = len(textf.text)
textf.freezestore = False
update_stored_pos(None)
# Move to the end of the same line the cursor is on
elif col != len(doc.lines[row]) and textf.stored_cursor_pos >= len(
doc.lines[row]) - int(len(doc.lines[row]) / width) * width:
textf.buffer.cursor_position = doc._line_start_indexes[row + 1] - 1
else: # Move to a different line
textf.buffer.cursor_position = min(
doc._line_start_indexes[row + 1] + nextlinelen,
doc._line_start_indexes[row + 1] + textf.stored_cursor_pos)
textf = TextArea()
bottom_bar_text = FormattedTextControl(
text=
'\nCurrently editing. Press Ctrl+Q, Alt+Enter or Esc + Enter to exit.')
bottom_bar = Window(content=bottom_bar_text)
root_container = HSplit([
textf,
bottom_bar,
])
layout = Layout(root_container)
app = Application(key_bindings=kb,
layout=layout,
enable_page_navigation_bindings=True,
full_screen=False)
textf.freezestore = False
textf.text = default_text
textf.buffer.cursor_position = len(textf.buffer.text)
# Find the row the cursor is at
# My own function, in fear of race conditions
def cursor_row():
i = 0
while i < len(
textf.document._line_start_indexes
) and textf.buffer.cursor_position >= textf.document._line_start_indexes[
i]:
i += 1
return i - 1
# Find the column the cursor is at
# There is a built-in function, but I think there's some kind of a race condition if it's used
def cursor_col():
i = textf.buffer.cursor_position - 1
while i >= 0 and textf.text[i] != '\n':
i -= 1
return textf.buffer.cursor_position - i - 1
def update_stored_pos(event):
if not event:
textf.freezestore = False
if textf.freezestore:
textf.freezestore = False
return
width = getTermWidth()
col = cursor_col()
textf.stored_cursor_pos = col - int(col / width) * width
textf.buffer.on_cursor_position_changed += update_stored_pos
update_stored_pos(None)
text = app.run()
clear_lines(1)
return text
password=True)
conf_prompt_base_url = Window(FormattedTextControl('SlashNext Base URL'),
height=1,
align=WindowAlign.LEFT,
style="class:conf_prompt")
conf_input_base_url = TextArea(height=1,
prompt='',
multiline=False,
wrap_lines=False,
style="class:conf_input",
focusable=True,
focus_on_click=True)
conf_input_base_url.text = 'https://oti.slashnext.cloud/api'
conf_status = TextArea(height=5,
multiline=True,
wrap_lines=True,
style="class:conf_notice")
separator = Window(height=1,
width=1,
align=WindowAlign.CENTER,
style="class:conf_prompt")
terminator = Window(align=WindowAlign.CENTER, style="class:conf_prompt")
line = Window(height=1, char="─", style="class:line")
