def __enter__(self) -> "ProgressBar":
# Create UI Application.
title_toolbar = ConditionalContainer(
Window(
FormattedTextControl(lambda: self.title),
height=1,
style="class:progressbar,title",
),
filter=Condition(lambda: self.title is not None),
)
bottom_toolbar = ConditionalContainer(
Window(
FormattedTextControl(
lambda: self.bottom_toolbar, style="class:bottom-toolbar.text"
),
style="class:bottom-toolbar",
height=1,
),
filter=~is_done
& renderer_height_is_known
& Condition(lambda: self.bottom_toolbar is not None),
)
def width_for_formatter(formatter: Formatter) -> AnyDimension:
# Needs to be passed as callable (partial) to the 'width'
# parameter, because we want to call it on every resize.
return formatter.get_width(progress_bar=self)
progress_controls = [
Window(
content=_ProgressControl(self, f),
width=functools.partial(width_for_formatter, f),
)
for f in self.formatters
]
self.app: Application[None] = Application(
min_redraw_interval=0.05,
layout=Layout(
HSplit(
[
title_toolbar,
VSplit(
progress_controls,
height=lambda: D(
preferred=len(self.counters), max=len(self.counters)
),
),
Window(),
bottom_toolbar,
]
)
),
style=self.style,
key_bindings=self.key_bindings,
refresh_interval=0.3,
color_depth=self.color_depth,
output=self.output,
input=self.input,
)
# Run application in different thread.
def run() -> None:
set_event_loop(self._app_loop)
try:
self.app.run()
except BaseException as e:
traceback.print_exc()
print(e)
ctx: contextvars.Context = contextvars.copy_context()
self._thread = threading.Thread(target=ctx.run, args=(run,))
self._thread.start()
# Attach WINCH signal handler in main thread.
# (Interrupt that we receive during resize events.)
self._has_sigwinch = hasattr(signal, "SIGWINCH") and in_main_thread()
if self._has_sigwinch:
self._previous_winch_handler = signal.getsignal(signal.SIGWINCH)
self._loop.add_signal_handler(signal.SIGWINCH, self.invalidate)
return self
def create_default_layout(app,
message='',
lexer=None,
is_password=False,
reserve_space_for_menu=False,
get_prompt_tokens=None,
get_bottom_toolbar_tokens=None,
display_completions_in_columns=False,
extra_input_processors=None,
multiline=False):
"""
Generate default layout.
Returns a ``Layout`` instance.
:param message: Text to be used as prompt.
:param lexer: Lexer to be used for the highlighting.
:param is_password: `bool` or `CLIFilter`. When True, display input as '*'.
:param reserve_space_for_menu: When True, make sure that a minimal height
is allocated in the terminal, in order to display the completion menu.
:param get_prompt_tokens: An optional callable that returns the tokens to
be shown in the menu. (To be used instead of a `message`.)
:param get_bottom_toolbar_tokens: An optional callable that returns the
tokens for a toolbar at the bottom.
:param display_completions_in_columns: `bool` or `CLIFilter`. Display the
completions in multiple columns.
:param multiline: `bool` or `CLIFilter`. When True, prefer a layout that is
more adapted for multiline input. Text after newlines is automatically
indented, and search/arg input is shown below the input, instead of
replacing the prompt.
"""
assert isinstance(message, text_type)
assert (get_bottom_toolbar_tokens is None
or callable(get_bottom_toolbar_tokens))
assert get_prompt_tokens is None or callable(get_prompt_tokens)
assert not (message and get_prompt_tokens)
display_completions_in_columns = to_cli_filter(
display_completions_in_columns)
multiline = to_cli_filter(multiline)
if get_prompt_tokens is None:
get_prompt_tokens = lambda _: [(Token.Prompt, message)]
get_prompt_tokens_1, get_prompt_tokens_2 = _split_multiline_prompt(
get_prompt_tokens)
# `lexer` is supposed to be a `Lexer` instance. But if a Pygments lexer
# class is given, turn it into a PygmentsLexer. (Important for
# backwards-compatibility.)
try:
if issubclass(lexer, Lexer):
lexer = PygmentsLexer(lexer)
except TypeError:
# Happens when lexer is `None` or an instance of something else.
pass
# Create processors list.
# (DefaultPrompt should always be at the end.)
input_processors = [
ConditionalProcessor(
# By default, only highlight search when the search
# input has the focus. (Note that this doesn't mean
# there is no search: the Vi 'n' binding for instance
# still allows to jump to the next match in
# navigation mode.)
HighlightSearchProcessor(preview_search=Always()),
HasFocus(SEARCH_BUFFER)),
HighlightSelectionProcessor(),
ConditionalProcessor(AppendAutoSuggestion(),
HasFocus(DEFAULT_BUFFER) & ~IsDone()),
ConditionalProcessor(PasswordProcessor(), is_password)
]
if extra_input_processors:
input_processors.extend(extra_input_processors)
# Show the prompt before the input (using the DefaultPrompt processor.
# This also replaces it with reverse-i-search and 'arg' when required.
# (Only for single line mode.)
input_processors.append(
ConditionalProcessor(DefaultPrompt(get_prompt_tokens), ~multiline))
# Create bottom toolbar.
if get_bottom_toolbar_tokens:
toolbars = [
ConditionalContainer(Window(TokenListControl(
get_bottom_toolbar_tokens,
default_char=Char(' ', Token.Toolbar)),
height=LayoutDimension.exact(1)),
filter=~IsDone() & RendererHeightIsKnown())
]
else:
toolbars = []
def get_height(cli):
# If there is an autocompletion menu to be shown, make sure that our
# layout has at least a minimal height in order to display it.
if reserve_space_for_menu and not cli.is_done:
return LayoutDimension(min=8)
else:
return LayoutDimension()
def separator():
return ConditionalContainer(content=Window(
height=LayoutDimension.exact(1),
content=FillControl(u'\u2500', token=Token.Separator)),
filter=HasDocumentation(app) & ~IsDone())
# Create and return Layout instance.
return HSplit([
ConditionalContainer(
Window(TokenListControl(get_prompt_tokens_1),
dont_extend_height=True),
filter=multiline,
),
VSplit([
# In multiline mode, the prompt is displayed in a left pane.
ConditionalContainer(
Window(
TokenListControl(get_prompt_tokens_2),
dont_extend_width=True,
),
filter=multiline,
),
# The main input, with completion menus floating on top of it.
FloatContainer(
Window(
BufferControl(
input_processors=input_processors,
lexer=lexer,
# Enable preview_search, we want to have immediate
# feedback in reverse-i-search mode.
preview_search=Always()),
get_height=get_height,
),
[
Float(xcursor=True,
ycursor=True,
content=CompletionsMenu(
max_height=16,
scroll_offset=1,
extra_filter=(
HasFocus(DEFAULT_BUFFER)
& ~display_completions_in_columns))),
Float(xcursor=True,
ycursor=True,
content=MultiColumnCompletionsMenu(
extra_filter=(HasFocus(DEFAULT_BUFFER)
& display_completions_in_columns),
show_meta=Always()))
]),
]),
separator(),
ConditionalContainer(
content=Window(BufferControl(buffer_name='clidocs', ),
height=LayoutDimension(max=15)),
filter=HasDocumentation(app) & ~IsDone(),
),
separator(),
ValidationToolbar(),
SystemToolbar(),
# In multiline mode, we use two toolbars for 'arg' and 'search'.
ConditionalContainer(ArgToolbar(), multiline),
ConditionalContainer(SearchToolbar(), multiline),
] + toolbars)
def __init__(self, editor, manager, window_arrangement):
self.editor = editor # Back reference to editor.
self.manager = manager
self.window_arrangement = window_arrangement
# Mapping from (`window_arrangement.Window`, `EditorBuffer`) to a frame
# (Layout instance).
# We keep this as a cache in order to easily reuse the same frames when
# the layout is updated. (We don't want to create new frames on every
# update call, because that way, we would loose some state, like the
# vertical scroll offset.)
self._frames = {}
self._fc = FloatContainer(
content=VSplit([
Window(BufferControl()) # Dummy window
]),
floats=[
Float(xcursor=True,
ycursor=True,
content=CompletionsMenu(
max_height=12,
scroll_offset=2,
extra_filter=~HasFocus(COMMAND_BUFFER))),
Float(content=BufferListOverlay(editor), bottom=1, left=0),
Float(bottom=1,
left=0,
right=0,
height=1,
content=CompletionsToolbar(
extra_filter=HasFocus(COMMAND_BUFFER)
& ~bufferlist_overlay_visible_filter
& Condition(lambda cli: editor.show_wildmenu))),
Float(bottom=1,
left=0,
right=0,
height=1,
content=ValidationToolbar()),
Float(bottom=1,
left=0,
right=0,
height=1,
content=MessageToolbarBar(editor)),
Float(content=WelcomeMessageWindow(editor),
height=WELCOME_MESSAGE_HEIGHT,
width=WELCOME_MESSAGE_WIDTH),
])
self.layout = FloatContainer(content=HSplit([
TabsToolbar(editor),
self._fc,
CommandLine(),
ReportMessageToolbar(editor),
SystemToolbar(),
SearchToolbar(vi_mode=True),
]),
floats=[
Float(right=0,
height=1,
bottom=0,
width=5,
content=SimpleArgToolbar()),
])
def create_layout(buffer,
lexer=None,
reserve_space_for_menu=8,
get_prompt_tokens=None,
get_bottom_toolbar_tokens=None,
extra_input_processors=None,
multiline=False,
wrap_lines=True):
"""
Creates a custom `Layout` for the Crash input REPL
This layout includes:
* a bottom left-aligned session toolbar container
* a bottom right-aligned side-bar container
+-------------------------------------------+
| cr> select 1; |
| |
| |
+-------------------------------------------+
| bottom_toolbar_tokens sidebar_tokens |
+-------------------------------------------+
"""
input_processors = [
ConditionalProcessor(
# Highlight the reverse-i-search buffer
HighlightSearchProcessor(),
has_focus(SEARCH_BUFFER)),
] + (extra_input_processors or [])
lexer = PygmentsLexer(lexer, sync_from_start=True)
sidebar_token = [
('class:status-toolbar', "[ctrl+d]"),
('class:status-toolbar.text', " Exit")
]
def _get_buffer_control_height(buf):
# If there is an autocompletion menu to be shown, make sure that our
# layout has at least a minimal height in order to display it.
if reserve_space_for_menu and not get_app().is_done:
buff = buffer
# Reserve the space, either when there are completions, or when
# `complete_while_typing` is true and we expect completions very
# soon.
if buff.complete_while_typing() or buff.complete_state is not None:
return Dimension(min=reserve_space_for_menu)
return Dimension()
search_toolbar = SearchToolbar()
buf_ctrl_window = Window(
BufferControl(
buffer=buffer,
search_buffer_control=search_toolbar.control,
input_processors=input_processors,
lexer=lexer,
preview_search=True
),
height=lambda: _get_buffer_control_height(buffer),
wrap_lines=wrap_lines,
left_margins=[
ConditionalMargin(
PromptMargin(get_prompt_tokens),
filter=multiline
)
]
)
in_out_area = VSplit([
HSplit([
FloatContainer(
HSplit([buf_ctrl_window]),
[
Float(
xcursor=True,
ycursor=True,
content=CompletionsMenu(
max_height=16,
scroll_offset=1,
extra_filter=has_focus(DEFAULT_BUFFER)
)
),
]
),
# reverse-i-search toolbar (ctrl+r)
search_toolbar,
])
])
bottom_toolbar = VSplit([
ConditionalContainer(
Window(
FormattedTextControl(get_bottom_toolbar_tokens),
height=Dimension.exact(1)
),
filter=~is_done & renderer_height_is_known
),
ConditionalContainer(
Window(
FormattedTextControl(lambda: sidebar_token),
height=Dimension.exact(1),
align=WindowAlign.RIGHT
),
filter=~is_done & renderer_height_is_known
)
])
return Layout(HSplit([in_out_area, bottom_toolbar]))
def _create_layout(self):
"""
Create `Layout` for this prompt.
"""
dyncond = self._dyncond
# Create functions that will dynamically split the prompt. (If we have
# a multiline prompt.)
has_before_fragments, get_prompt_text_1, get_prompt_text_2 = \
_split_multiline_prompt(self._get_prompt)
default_buffer = self.default_buffer
search_buffer = self.search_buffer
# Create processors list.
all_input_processors = [
HighlightIncrementalSearchProcessor(),
HighlightSelectionProcessor(),
ConditionalProcessor(AppendAutoSuggestion(),
has_focus(default_buffer) & ~is_done),
ConditionalProcessor(PasswordProcessor(), dyncond('is_password')),
DisplayMultipleCursors(),
# Users can insert processors here.
DynamicProcessor(lambda: merge_processors(self.input_processors or [])),
]
# Create bottom toolbars.
bottom_toolbar = ConditionalContainer(
Window(FormattedTextControl(
lambda: self.bottom_toolbar,
style='class:bottom-toolbar.text'),
style='class:bottom-toolbar',
dont_extend_height=True,
height=Dimension(min=1)),
filter=~is_done & renderer_height_is_known &
Condition(lambda: self.bottom_toolbar is not None))
search_toolbar = SearchToolbar(
search_buffer,
ignore_case=dyncond('search_ignore_case'))
search_buffer_control = SearchBufferControl(
buffer=search_buffer,
input_processors=[
ReverseSearchProcessor(),
],
ignore_case=dyncond('search_ignore_case'))
system_toolbar = SystemToolbar(
enable_global_bindings=dyncond('enable_system_prompt'))
def get_search_buffer_control():
" Return the UIControl to be focused when searching start. "
if is_true(self.multiline):
return search_toolbar.control
else:
return search_buffer_control
default_buffer_control = BufferControl(
buffer=default_buffer,
search_buffer_control=get_search_buffer_control,
input_processors=all_input_processors,
include_default_input_processors=False,
lexer=DynamicLexer(lambda: self.lexer),
preview_search=True)
default_buffer_window = Window(
default_buffer_control,
height=self._get_default_buffer_control_height,
get_line_prefix=partial(
self._get_line_prefix, get_prompt_text_2=get_prompt_text_2),
wrap_lines=dyncond('wrap_lines'))
@Condition
def multi_column_complete_style():
return self.complete_style == CompleteStyle.MULTI_COLUMN
# Build the layout.
layout = HSplit([
# The main input, with completion menus floating on top of it.
FloatContainer(
HSplit([
ConditionalContainer(
Window(
FormattedTextControl(get_prompt_text_1),
dont_extend_height=True),
Condition(has_before_fragments)
),
ConditionalContainer(
default_buffer_window,
Condition(lambda:
get_app().layout.current_control != search_buffer_control),
),
ConditionalContainer(
Window(search_buffer_control),
Condition(lambda:
get_app().layout.current_control == search_buffer_control),
),
]),
[
# Completion menus.
Float(xcursor=True,
ycursor=True,
content=CompletionsMenu(
max_height=16,
scroll_offset=1,
extra_filter=has_focus(default_buffer) &
~multi_column_complete_style)),
Float(xcursor=True,
ycursor=True,
content=MultiColumnCompletionsMenu(
show_meta=True,
extra_filter=has_focus(default_buffer) &
multi_column_complete_style)),
# The right prompt.
Float(right=0, top=0, hide_when_covering_content=True,
content=_RPrompt(lambda: self.rprompt)),
]
),
ConditionalContainer(
ValidationToolbar(),
filter=~is_done),
ConditionalContainer(
system_toolbar,
dyncond('enable_system_prompt') & ~is_done),
# In multiline mode, we use two toolbars for 'arg' and 'search'.
ConditionalContainer(
Window(FormattedTextControl(self._get_arg_text), height=1),
dyncond('multiline') & has_arg),
ConditionalContainer(search_toolbar, dyncond('multiline') & ~is_done),
bottom_toolbar,
])
return Layout(layout, default_buffer_window)
def __init__(self, exchange, get_paths_in_directory):
super().__init__()
self.use_default_bindings = False
self._exchange = exchange
self._input = TextArea(text="/project/", multiline=False)
self._buffer = self._input.buffer
self._buffer.cursor_position = len(self._buffer.text)
self._completions_component = Completions()
self._completer = AsyncCompleter(exchange, get_paths_in_directory)
self._completer_status_component = AsyncCompleterStatus()
self._bottom_toolbar = Window(
FormattedTextControl(
"[tab] Enter selected directory "
"[return] Choose selected directory "
"[arrows] Navigation "
"[C-c] Quit"
),
height=1,
style="reverse",
)
self._container = HSplit(
[
Window(height=1),
Window(
FormattedTextControl(
"Choose directory to synchronize to on Faculty Platform: "
),
height=1,
),
self._input,
Window(height=1),
self._completions_component.container,
self._completer_status_component.container,
]
)
self.main_container = HSplit(
[VSplit([Window(width=2), self._container]), self._bottom_toolbar]
)
self._buffer.on_text_changed += self._handle_text_changed
self.bindings = KeyBindings()
@self.bindings.add("down")
def _(event):
self._completions_component.move_selection_down()
@self.bindings.add("up")
def _(event):
self._completions_component.move_selection_up()
@self.bindings.add("tab")
def _(event):
current_selection = self._completions_component.current_selection()
if current_selection is not None:
self._buffer.cursor_position = 0
self._buffer.text = current_selection + "/"
self._buffer.cursor_position = len(self._buffer.text)
@self.bindings.add("enter")
def _(event):
current_selection = self._completions_component.current_selection()
self._exchange.publish(
Messages.VERIFY_REMOTE_DIRECTORY, current_selection
)
@self.bindings.add("c-c")
def _(event):
self._exchange.publish(Messages.STOP_CALLED)
self._exchange.subscribe(
RemoteDirMessages.NEW_SUBDIRECTORIES_WALKED,
lambda _: self._handle_text_changed(),
)
self._exchange.subscribe(
RemoteDirMessages.SUBDIRECTORY_WALKER_STATUS_CHANGE,
lambda path: self._handle_walker_status_change(path),
)
message1 = HTML("<ansibrightred>Hello</ansibrightred>")
message2 = HTML("<ansibrightyellow>world!</ansibrightyellow>")
message3 = HTML("<ansibrightyellow>(Esc to quit)</ansibrightyellow>")
# widgety
widget1 = Label(message1)
widget2 = Label(message2)
widget3 = Label(message3)
# styl rámce
style = "bg:#ansiblue #ansiwhite"
# správce rozvržení
vsplit = HSplit([
VSplit([Frame(widget1, style=style),
Frame(widget2, style=style)]),
Frame(TextArea(), title="Editor"),
Frame(widget3, style=style)
])
layout = Layout(vsplit)
# napojení na klávesové zkratky
key_bindings = KeyBindings()
@key_bindings.add('escape')
def on_escape_press(event):
"""Callback funkce volaná při stisku klávesy Esc."""
print("\n\n[escape]\n\n")
event.app.exit()
def button3_clicked():
text_area.text += "Button 3 clicked\n"
def exit_clicked():
get_app().exit()
button1 = Button("Button 1", handler=button1_clicked)
button2 = Button("Button 2", handler=button2_clicked)
button3 = Button("Button 3", handler=button3_clicked)
button4 = Button("Exit", handler=exit_clicked)
buttons = HSplit([button1, button2, button3, button4])
text_area = TextArea(focusable=False)
# správce rozvržení
root = VSplit([
Box(Frame(buttons, style="class:button_panel"), padding=2),
Box(Frame(text_area, title="Events", style="class:edit_panel"), padding=2),
])
layout = Layout(root)
# napojení na klávesové zkratky
key_bindings = KeyBindings()
key_bindings.add("up")(focus_previous)
key_bindings.add("down")(focus_next)
btn_pause = Button("Pause", handler=tomato.pause)
btn_reset = Button("Reset", handler=tomato.reset)
btn_reset_all = Button("Reset All", handler=tomato.reset_all)
btn_exit = Button("Exit", handler=exit_clicked)
text_area = FormattedTextControl(focusable=False, show_cursor=False)
text_window = Window(
content=text_area, dont_extend_height=True, height=11, style="bg:#000000 #ffffff"
)
root_container = Box(
HSplit(
[
VSplit(
[btn_start, btn_pause, btn_reset, btn_reset_all, btn_exit],
padding=1,
style="bg:#cccccc",
),
text_window,
]
),
)
layout = Layout(container=root_container, focused_element=btn_start)
# Key bindings. These values are set in pydoro_core/config.py.
kb = KeyBindings()
# WHY: string to action map to allow for easy configuration
actions = {
"focus_next": focus_next,
"focus_previous": focus_previous,
radiolist = RadioList([
("python_val", "Python"),
("java_val", "Java"),
("clojure_val", "Clojure"),
("perl_val", "Perl"),
])
checkbox1 = Checkbox("Checkbox 1")
checkbox2 = Checkbox("Checkbox 2")
checkbox3 = Checkbox("Checkbox 3")
hl = HorizontalLine()
button1 = Button("Show status", handler=show_status)
button2 = Button("Exit", handler=exit_clicked)
buttons = HSplit(
[radiolist, hl, checkbox1, checkbox2, checkbox3, hl, button1, hl, button2])
text_area = TextArea(focusable=False)
# správce rozvržení
root = VSplit([
Box(Frame(buttons, style="bg:#ansiblue #ansiwhite"), padding=2),
Box(Frame(text_area, title="Events"), padding=2),
])
layout = Layout(root)
# napojení na klávesové zkratky
key_bindings = KeyBindings()
key_bindings.add("s-tab")(focus_previous)
key_bindings.add("tab")(focus_next)
btn_pause = Button("Pause", handler=tomato.pause)
btn_reset = Button("Reset", handler=tomato.reset)
btn_reset_all = Button("Reset All", handler=tomato.reset_all)
btn_exit = Button("Exit", handler=exit_clicked)
text_area = TextArea(read_only=True, height=11, focusable=False)
# Combine all the widgets in a UI.
# The `Box` object ensures that padding will be inserted around the containing
# widget. It adapts automatically, unless an explicit `padding` amount is given.
root_container = Box(
HSplit([
Label(text="Press `Tab` to move the focus."),
HSplit([
VSplit(
[btn_start, btn_pause, btn_reset, btn_reset_all, btn_exit],
padding=1,
style="bg:#cccccc",
),
text_area,
]),
]))
layout = Layout(container=root_container, focused_element=btn_start)
# Key bindings.
kb = KeyBindings()
kb.add("tab")(focus_next)
kb.add("s-tab")(focus_previous)
kb.add("right")(focus_next)
kb.add("left")(focus_previous)
kb.add("q")(exit_clicked)
def edit_file(filename):
manager = KeyBindingManager(enable_vi_mode=True, enable_system_prompt=True)
manager.vi_state.input_mode = InputMode.NAVIGATION
layout = HSplit([
Header(),
Window(content=BufferControl(show_line_numbers=AlwaysOn(),
lexer=get_lexer_for_filename(
filename).__class__)),
VimToolbar(filename, manager),
VimInputBar(),
SystemToolbar(),
SearchToolbar(),
])
with codecs.open(filename, 'r', 'utf-8') as f:
text = f.read()
@manager.registry.add_binding(':',
filter=ViStateFilter(manager.vi_state,
InputMode.NAVIGATION))
def enter_command_mode(event):
"""
Entering command mode.
"""
event.cli.focus_stack.push('vim-input')
manager.vi_state.input_mode = InputMode.INSERT
@manager.registry.add_binding(Keys.Escape, filter=HasFocus('vim-input'))
@manager.registry.add_binding(Keys.ControlC, filter=HasFocus('vim-input'))
@manager.registry.add_binding(
Keys.Backspace,
filter=HasFocus('vim-input')
& Condition(lambda cli: cli.buffers['vim-input'].text == ''))
def leave_command_mode(event):
"""
Leaving command mode.
"""
event.cli.focus_stack.pop()
manager.vi_state.input_mode = InputMode.NAVIGATION
event.cli.buffers['vim-input'].document = Document()
@manager.registry.add_binding(Keys.ControlJ, filter=HasFocus('vim-input'))
def process_command(event):
"""
Handling of commands.
"""
text = event.current_buffer.text
def save():
with codecs.open(filename, 'w', 'utf-8') as f:
f.write(event.cli.buffers['default'].text)
def leave_command_mode():
event.cli.focus_stack.pop()
manager.vi_state.input_mode = InputMode.NAVIGATION
event.cli.buffers['vim-input'].document = Document()
if text == 'w':
save()
leave_command_mode()
elif text in ('wq', 'wqa'):
save()
event.cli.set_return_value('')
elif text in ('q', 'qa', 'q!', 'qa!'):
event.cli.set_return_value('')
else:
leave_command_mode()
# TODO: validation of other commands.
cli = CommandLineInterface(
layout=layout,
renderer=Renderer(use_alternate_screen=True),
key_bindings_registry=manager.registry,
buffers={
'default':
Buffer(returnable=AlwaysOff(),
is_multiline=True,
initial_document=Document(text, 0)),
'vim-input':
Buffer(returnable=AlwaysOff()),
},
style=VimStyle,
)
# Run interface.
cli.read_input()
def main():
manager = KeyBindingManager(enable_system_prompt=True)
D = LayoutDimension
layout = HSplit([
VSplit([
Window(width=D(min=15, max=30, preferred=30),
content=FillControl('a', token=Token.A)),
Window(width=D.exact(1),
content=FillControl('|', token=Token.Line)),
Window(content=TokenListControl.static([(Token.HelloWorld,
lipsum)])),
Window(width=D.exact(1),
content=FillControl('|', token=Token.Line)),
Window(content=BufferControl(lexer=PythonLexer,
show_line_numbers=Always(),
input_processors=[
DefaultPrompt('python> '),
AfterInput.static(
' <python',
token=Token.AfterInput),
]), ),
Window(width=D.exact(1),
content=FillControl('|', token=Token.Line)),
HSplit([
Window(width=D(max=40),
height=D.exact(4),
content=FillControl('b', token=Token.B)),
Window(width=D(max=40),
content=FillControl('f', token=Token.F)),
Window(width=D.exact(30),
height=D.exact(2),
content=FillControl('c', token=Token.C)),
]),
#CompletionsMenu(),
]),
Window(height=D.exact(1), content=FillControl('-', token=Token.Line)),
Window(height=D.exact(3), content=FillControl('d', token=Token.D)),
SystemToolbar(),
ArgToolbar(),
CompletionsToolbar(),
SearchToolbar(),
])
layout = FloatContainer(content=layout,
floats=[
Float(xcursor=True,
ycursor=True,
content=VSplit([
Window(width=D.exact(5),
content=FillControl(
'f', token=Token.F)),
CompletionsMenu(),
])),
])
eventloop = create_eventloop()
cli = CommandLineInterface(eventloop=eventloop,
layout=layout,
style=TestStyle,
key_bindings_registry=manager.registry,
buffer=Buffer(is_multiline=Always(),
completer=TestCompleter()))
cli.read_input()
eventloop.close()
def create_layout(message='',
lexer=None,
reserve_space_for_menu=8,
get_prompt_tokens=None,
get_bottom_toolbar_tokens=None,
extra_input_processors=None,
multiline=False,
wrap_lines=True):
# Create processors list.
input_processors = [
ConditionalProcessor(
# Highlight the reverse-i-search buffer
HighlightSearchProcessor(preview_search=True),
HasFocus(SEARCH_BUFFER)),
]
if extra_input_processors:
input_processors.extend(extra_input_processors)
lexer = PygmentsLexer(lexer, sync_from_start=True)
multiline = to_cli_filter(multiline)
sidebar_token = [(Token.Toolbar.Status.Key, "[ctrl+d]"),
(Token.Toolbar.Status, " Exit")]
sidebar_width = token_list_width(sidebar_token)
get_prompt_tokens = lambda _: [(Token.Prompt, message)]
get_sidebar_tokens = lambda _: sidebar_token
def get_height(cli):
# If there is an autocompletion menu to be shown, make sure that our
# layout has at least a minimal height in order to display it.
if reserve_space_for_menu and not cli.is_done:
buff = cli.current_buffer
# Reserve the space, either when there are completions, or when
# `complete_while_typing` is true and we expect completions very
# soon.
if buff.complete_while_typing() or buff.complete_state is not None:
return LayoutDimension(min=reserve_space_for_menu)
return LayoutDimension()
# Create and return Container instance.
return HSplit([
VSplit([
HSplit([
# The main input, with completion menus floating on top of it.
FloatContainer(
HSplit([
Window(
BufferControl(
input_processors=input_processors,
lexer=lexer,
# enable preview search for reverse-i-search
preview_search=True),
get_height=get_height,
wrap_lines=wrap_lines,
left_margins=[
# In multiline mode, use the window margin to display
# the prompt and continuation tokens.
ConditionalMargin(PromptMargin(
get_prompt_tokens),
filter=multiline)
],
),
]),
[
# Completion menu
Float(xcursor=True,
ycursor=True,
content=CompletionsMenu(max_height=16,
scroll_offset=1,
extra_filter=HasFocus(
DEFAULT_BUFFER))),
]),
# reverse-i-search toolbar (ctrl+r)
ConditionalContainer(SearchToolbar(), multiline),
])
]),
] + [
VSplit([
# Left-Aligned Session Toolbar
ConditionalContainer(Window(TokenListControl(
get_bottom_toolbar_tokens),
height=LayoutDimension.exact(1)),
filter=~IsDone() & RendererHeightIsKnown()),
# Right-Aligned Container
ConditionalContainer(Window(TokenListControl(get_sidebar_tokens),
height=LayoutDimension.exact(1),
width=LayoutDimension.exact(
sidebar_width)),
filter=~IsDone() & RendererHeightIsKnown())
])
])
def start_app(store: RetroStore, connection_string: str = ''):
kb = KeyBindings()
@kb.add('c-q')
def exit_(event):
event.app.exit()
@kb.add('c-r')
def refresh_(event):
refresh()
def refresh():
items = store.list()
texts = {
Category.GOOD: StringIO(),
Category.NEUTRAL: StringIO(),
Category.BAD: StringIO(),
}
for item in items:
texts[item.category].write(f'{item.key}. {item.text}\n')
good_buffer.text = texts[Category.GOOD].getvalue()
neutral_buffer.text = texts[Category.NEUTRAL].getvalue()
bad_buffer.text = texts[Category.BAD].getvalue()
@kb.add('c-m')
def enter_(event):
text = input_buffer.text
if text.startswith('+'):
input_buffer.reset()
store.add_item(text[1:].strip(), Category.GOOD)
elif text.startswith('.'):
input_buffer.reset()
store.add_item(text[1:].strip(), Category.NEUTRAL)
elif text.startswith('-'):
input_buffer.reset()
store.add_item(text[1:].strip(), Category.BAD)
elif text.startswith('mv '):
cmd, key, column = text.split()
categories = {
'+': Category.GOOD,
'.': Category.NEUTRAL,
'-': Category.BAD,
}
input_buffer.reset()
store.move_item(int(key), categories[column])
elif text.startswith('rm '):
cmd, key = text.split()
input_buffer.reset()
store.remove(int(key))
refresh()
@kb.add('c-p')
def ping_(event):
start = time()
store.list(Category.GOOD)
app.print_text(f'latency: {time() - start:.3f}')
good_buffer = Buffer()
neutral_buffer = Buffer()
bad_buffer = Buffer()
input_buffer = Buffer()
input = Window(content=BufferControl(buffer=input_buffer), height=1)
root_container = HSplit([
VSplit([
HSplit([
Window(content=FormattedTextControl(text=':)'),
height=1,
align=WindowAlign.CENTER),
Window(height=1, char='-'),
Window(content=BufferControl(buffer=good_buffer)),
],
style="fg:white bold bg:ansigreen"),
Window(width=2, char='|'),
HSplit([
Window(content=FormattedTextControl(text=':|'),
height=1,
align=WindowAlign.CENTER),
Window(height=1, char='-'),
Window(content=BufferControl(buffer=neutral_buffer)),
],
style="fg:white bold bg:ansiyellow"),
Window(width=2, char='|'),
HSplit([
Window(content=FormattedTextControl(text=':('),
height=1,
align=WindowAlign.CENTER),
Window(height=1, char='-'),
Window(content=BufferControl(buffer=bad_buffer)),
],
style="fg:white bold bg:ansired"),
]),
Window(
content=FormattedTextControl(text=f'Invite: {connection_string}'),
height=1,
align=WindowAlign.CENTER), input
],
style='bg:grey')
layout = Layout(root_container)
layout.focus(input)
app = Application(layout=layout, key_bindings=kb, full_screen=True)
async def active_refresh():
while True:
refresh()
await asyncio.sleep(2)
app.create_background_task(active_refresh())
app.run()
def __init__(
self,
title=None,
elements=None,
width=None,
height=None,
align=WindowAlign.LEFT,
get_bullet=None,
allow_select=True,
scrollbar=True,
):
self.index = 0
self.get_bullet = get_bullet
self.selected = -1
self.elements = elements or []
self.title = title
self.allow_select = allow_select
self.cursor = Point(0, 0)
self.scrollbar = scrollbar
self.control = FormattedTextControl(
text=self._get_text,
focusable=True,
get_cursor_position=lambda: self.cursor,
key_bindings=self.get_key_bindings(),
)
# TODO: figure out how to the make it look nicer
right_margins = [
ConditionalMargin(
ScrollbarMargin(display_arrows=True),
filter=Condition(lambda: self.scrollbar),
),
]
self.title_window = FormattedTextArea(
text=self.title,
height=Dimension(min=1),
width=Dimension(min=1),
)
self.list_window = Window(
content=self.control,
width=width,
height=height,
always_hide_cursor=False,
style="class:list",
wrap_lines=True,
dont_extend_height=True,
dont_extend_width=False,
cursorline=False,
right_margins=right_margins,
allow_scroll_beyond_bottom=True,
get_line_prefix=self._get_line_prefix,
)
self.window = HSplit(
children=[
Box(
self.title_window,
padding=Dimension.exact(1),
),
Box(
self.list_window,
padding=Dimension.exact(1),
padding_top=Dimension.exact(0),
),
],
height=Dimension(min=1),
width=Dimension(min=1),
)
# All the widgets for the UI.
button1 = Button('Button 1', handler=button1_clicked)
button2 = Button('Button 2', handler=button2_clicked)
button3 = Button('Button 3', handler=button3_clicked)
button4 = Button('Exit', handler=exit_clicked)
text_area = TextArea(focusable=True)
# Combine all the widgets in a UI.
# The `Box` object ensures that padding will be inserted around the containing
# widget. It adapts automatically, unless an explicit `padding` amount is given.
root_container = Box(
HSplit([
Label(text='Press `Tab` to move the focus.'),
VSplit([
Box(body=HSplit([button1, button2, button3, button4], padding=1),
padding=1,
style='class:left-pane'),
Box(body=Frame(text_area), padding=1, style='class:right-pane'),
]),
]), )
layout = Layout(container=root_container, focused_element=button1)
# Key bindings.
kb = KeyBindings()
kb.add('tab')(focus_next)
kb.add('s-tab')(focus_previous)
# Styling.
style = Style([
('left-pane', 'bg:#888800 #000000'),
def __enter__(self):
# Create UI Application.
title_toolbar = ConditionalContainer(
Window(FormattedTextControl(lambda: self.title),
height=1,
style='class:progressbar,title'),
filter=Condition(lambda: self.title is not None))
bottom_toolbar = ConditionalContainer(
Window(FormattedTextControl(lambda: self.bottom_toolbar,
style='class:bottom-toolbar.text'),
style='class:bottom-toolbar',
height=1),
filter=~is_done & renderer_height_is_known
& Condition(lambda: self.bottom_toolbar is not None))
def width_for_formatter(formatter):
# Needs to be passed as callable (partial) to the 'width'
# parameter, because we want to call it on every resize.
return formatter.get_width(progress_bar=self)
progress_controls = [
Window(content=_ProgressControl(self, f),
width=functools.partial(width_for_formatter, f))
for f in self.formatters
]
self.app = Application(
min_redraw_interval=.05,
layout=Layout(
HSplit([
title_toolbar,
VSplit(progress_controls,
height=lambda: D(preferred=len(self.counters),
max=len(self.counters))),
Window(),
bottom_toolbar,
])),
style=self.style,
key_bindings=self.key_bindings,
output=self.output,
input=self.input)
# Run application in different thread.
def run():
with _auto_refresh_context(self.app, .3):
try:
self.app.run()
except Exception as e:
traceback.print_exc()
print(e)
self._thread = threading.Thread(target=run)
self._thread.start()
# Attach WINCH signal handler in main thread.
# (Interrupt that we receive during resize events.)
self._has_sigwinch = hasattr(signal, 'SIGWINCH') and in_main_thread()
if self._has_sigwinch:
self._previous_winch_handler = self._loop.add_signal_handler(
signal.SIGWINCH, self.app.invalidate)
return self
def _create_application(self, editing_mode, erase_when_done):
def dyncond(attr_name):
"""
Dynamically take this setting from this 'Prompt' class.
`attr_name` represents an attribute name of this class. Its value
can either be a boolean or a `Filter`.
This returns something that can be used as either a `Filter`
or `Filter`.
"""
@Condition
def dynamic():
value = getattr(self, attr_name)
return to_filter(value)()
return dynamic
# Create functions that will dynamically split the prompt. (If we have
# a multiline prompt.)
has_before_fragments, get_prompt_text_1, get_prompt_text_2 = \
_split_multiline_prompt(self._get_prompt)
# Create buffers list.
def accept(buff):
""" Accept the content of the default buffer. This is called when
the validation succeeds. """
self.app.set_result(buff.document.text)
# Reset content before running again.
self.app.pre_run_callables.append(buff.reset)
default_buffer = Buffer(
name=DEFAULT_BUFFER,
# Make sure that complete_while_typing is disabled when
# enable_history_search is enabled. (First convert to Filter,
# to avoid doing bitwise operations on bool objects.)
complete_while_typing=Condition(
lambda: _true(self.complete_while_typing) and not _true(
self.enable_history_search) and not self.complete_style ==
CompleteStyle.READLINE_LIKE),
validate_while_typing=dyncond('validate_while_typing'),
enable_history_search=dyncond('enable_history_search'),
validator=DynamicValidator(lambda: self.validator),
completer=ThreadedCompleter(
completer=DynamicCompleter(lambda: self.completer),
in_thread=dyncond('complete_in_thread'),
),
history=DynamicHistory(lambda: self.history),
auto_suggest=DynamicAutoSuggest(lambda: self.auto_suggest),
accept_handler=accept,
get_tempfile_suffix=lambda: self.tempfile_suffix)
search_buffer = Buffer(name=SEARCH_BUFFER)
# Create processors list.
input_processor = merge_processors([
ConditionalProcessor(
# By default, only highlight search when the search
# input has the focus. (Note that this doesn't mean
# there is no search: the Vi 'n' binding for instance
# still allows to jump to the next match in
# navigation mode.)
HighlightSearchProcessor(preview_search=True),
has_focus(search_buffer)),
HighlightSelectionProcessor(),
ConditionalProcessor(AppendAutoSuggestion(),
has_focus(default_buffer) & ~is_done),
ConditionalProcessor(PasswordProcessor(), dyncond('is_password')),
DisplayMultipleCursors(),
# Users can insert processors here.
DynamicProcessor(lambda: self.extra_input_processor),
# For single line mode, show the prompt before the input.
ConditionalProcessor(
merge_processors([
BeforeInput(get_prompt_text_2),
ShowArg(),
]), ~dyncond('multiline'))
])
# Create bottom toolbars.
bottom_toolbar = ConditionalContainer(
Window(FormattedTextControl(lambda: self.bottom_toolbar,
style='class:bottom-toolbar.text'),
style='class:bottom-toolbar',
dont_extend_height=True,
height=Dimension(min=1)),
filter=~is_done & renderer_height_is_known
& Condition(lambda: self.bottom_toolbar is not None))
search_toolbar = SearchToolbar(
search_buffer,
get_search_state=lambda: default_buffer_control.get_search_state())
search_buffer_control = BufferControl(buffer=search_buffer,
input_processor=merge_processors(
[
ReverseSearchProcessor(),
ShowArg(),
]))
system_toolbar = SystemToolbar()
def get_search_buffer_control():
" Return the UIControl to be focused when searching start. "
if _true(self.multiline):
return search_toolbar.control
else:
return search_buffer_control
default_buffer_control = BufferControl(
buffer=default_buffer,
get_search_buffer_control=get_search_buffer_control,
input_processor=input_processor,
lexer=DynamicLexer(lambda: self.lexer),
preview_search=True)
default_buffer_window = Window(
default_buffer_control,
height=self._get_default_buffer_control_height,
left_margins=[
# In multiline mode, use the window margin to display
# the prompt and continuation fragments.
ConditionalMargin(
PromptMargin(get_prompt_text_2, self._get_continuation),
filter=dyncond('multiline'),
)
],
wrap_lines=dyncond('wrap_lines'))
@Condition
def multi_column_complete_style():
return self.complete_style == CompleteStyle.MULTI_COLUMN
# Build the layout.
layout = HSplit([
# The main input, with completion menus floating on top of it.
FloatContainer(
HSplit([
ConditionalContainer(
Window(FormattedTextControl(get_prompt_text_1),
dont_extend_height=True),
Condition(has_before_fragments)),
ConditionalContainer(
default_buffer_window,
Condition(lambda: get_app().layout.current_control !=
search_buffer_control),
),
ConditionalContainer(
Window(search_buffer_control),
Condition(lambda: get_app().layout.current_control ==
search_buffer_control),
),
]),
[
# Completion menus.
Float(xcursor=True,
ycursor=True,
content=CompletionsMenu(
max_height=16,
scroll_offset=1,
extra_filter=has_focus(default_buffer)
& ~multi_column_complete_style)),
Float(xcursor=True,
ycursor=True,
content=MultiColumnCompletionsMenu(
show_meta=True,
extra_filter=has_focus(default_buffer)
& multi_column_complete_style)),
# The right prompt.
Float(right=0,
top=0,
hide_when_covering_content=True,
content=_RPrompt(lambda: self.rprompt)),
]),
ConditionalContainer(ValidationToolbar(), filter=~is_done),
ConditionalContainer(system_toolbar,
dyncond('enable_system_prompt') & ~is_done),
# In multiline mode, we use two toolbars for 'arg' and 'search'.
ConditionalContainer(
Window(FormattedTextControl(self._get_arg_text), height=1),
dyncond('multiline') & has_arg),
ConditionalContainer(search_toolbar,
dyncond('multiline') & ~is_done),
bottom_toolbar,
])
# Default key bindings.
auto_suggest_bindings = load_auto_suggest_bindings()
open_in_editor_bindings = load_open_in_editor_bindings()
prompt_bindings = self._create_prompt_bindings()
# Create application
application = Application(
layout=Layout(layout, default_buffer_window),
style=DynamicStyle(lambda: self.style),
include_default_pygments_style=dyncond(
'include_default_pygments_style'),
clipboard=DynamicClipboard(lambda: self.clipboard),
key_bindings=merge_key_bindings([
merge_key_bindings([
auto_suggest_bindings,
ConditionalKeyBindings(
open_in_editor_bindings,
dyncond('enable_open_in_editor')
& has_focus(DEFAULT_BUFFER)), prompt_bindings
]),
ConditionalKeyBindings(
system_toolbar.get_global_key_bindings(),
dyncond('enable_system_prompt')),
DynamicKeyBindings(lambda: self.extra_key_bindings),
]),
mouse_support=dyncond('mouse_support'),
editing_mode=editing_mode,
erase_when_done=erase_when_done,
reverse_vi_search_direction=True,
# I/O.
input=self.input,
output=self.output)
# During render time, make sure that we focus the right search control
# (if we are searching). - This could be useful if people make the
# 'multiline' property dynamic.
'''
def on_render(app):
multiline = _true(self.multiline)
current_control = app.layout.current_control
if multiline:
if current_control == search_buffer_control:
app.layout.current_control = search_toolbar.control
app.invalidate()
else:
if current_control == search_toolbar.control:
app.layout.current_control = search_buffer_control
app.invalidate()
app.on_render += on_render
'''
return application, default_buffer, default_buffer_control
def create_default_layout(message='',
lexer=None,
is_password=False,
reserve_space_for_menu=False,
get_prompt_tokens=None,
get_bottom_toolbar_tokens=None,
extra_input_processors=None):
"""
Generate default layout.
Returns a ``Layout`` instance.
:param message: Text to be used as prompt.
:param lexer: Pygments lexer to be used for the highlighting.
:param is_password: When True, display input as '*'.
:param reserve_space_for_menu: When True, make sure that a minimal height is
allocated in the terminal, in order to display the completion menu.
:param get_prompt_tokens: An optional callable that returns the tokens to be
shown in the menu. (To be used instead of a `message`.)
:param get_bottom_toolbar_tokens: An optional callable that returns the
tokens for a toolbar at the bottom.
"""
assert isinstance(message, text_type)
assert get_bottom_toolbar_tokens is None or callable(
get_bottom_toolbar_tokens)
assert get_prompt_tokens is None or callable(get_prompt_tokens)
assert not (message and get_prompt_tokens)
# Create processors list.
# (DefaultPrompt should always be at the end.)
input_processors = [
HighlightSearchProcessor(preview_search=Always()),
HighlightSelectionProcessor()
]
if is_password:
input_processors.append(PasswordProcessor())
if extra_input_processors:
input_processors.extend(extra_input_processors)
if message:
input_processors.append(DefaultPrompt.from_message(message))
else:
input_processors.append(DefaultPrompt(get_prompt_tokens))
# Create bottom toolbar.
if get_bottom_toolbar_tokens:
toolbars = [
Window(TokenListControl(get_bottom_toolbar_tokens,
default_char=Char(' ', Token.Toolbar)),
height=LayoutDimension.exact(1),
filter=~IsDone() & RendererHeightIsKnown())
]
else:
toolbars = []
def get_height(cli):
# If there is an autocompletion menu to be shown, make sure that our
# layout has at least a minimal height in order to display it.
if reserve_space_for_menu and not cli.is_done:
return LayoutDimension(min=8)
else:
return LayoutDimension()
# Create and return Layout instance.
return HSplit([
FloatContainer(
Window(
BufferControl(
input_processors=input_processors,
lexer=lexer,
# Enable preview_search, we want to have immediate feedback
# in reverse-i-search mode.
preview_search=Always()),
get_height=get_height,
),
[
Float(xcursor=True,
ycursor=True,
content=CompletionsMenu(max_height=16,
extra_filter=HasFocus(
DEFAULT_BUFFER)))
]),
ValidationToolbar(),
SystemToolbar(),
] + toolbars)
from xradios.tui.widget.display import Display
from xradios.tui.widget.popup import PopupWindow
from xradios.tui.widget.listview import ListView
from xradios.tui.widget.prompt import Prompt
from xradios.tui.widget.topbar import TopBar
from xradios.tui.buffers.display import buffer as display_buffer
from xradios.tui.buffers.popup import buffer as popup_buffer
from xradios.tui.buffers.prompt import buffer as prompt_buffer
from xradios.tui.buffers.listview import buffer as listview_buffer
layout = Layout(
FloatContainer(
content=HSplit([
TopBar(message="Need help! Press `F1`."),
Display(display_buffer),
ListView(listview_buffer),
Prompt(prompt_buffer),
]),
modal=True,
floats=[
# Help text as a float.
Float(
top=3,
bottom=2,
left=2,
right=2,
content=ConditionalContainer(
content=PopupWindow(popup_buffer, title="Help"),
filter=has_focus(popup_buffer),
),
)
