def load_key_bindings():
"""
Create a KeyBindings object that contains the default key bindings.
"""
all_bindings = merge_key_bindings([
# Load basic bindings.
load_basic_bindings(),
# Load emacs bindings.
load_emacs_bindings(),
load_emacs_search_bindings(),
# Load Vi bindings.
load_vi_bindings(),
load_vi_search_bindings(),
])
return merge_key_bindings([
# Make sure that the above key bindings are only active if the
# currently focussed control is a `BufferControl`. For other controls, we
# don't want these key bindings to intervene. (This would break "ptterm"
# for instance, which handles 'Keys.Any' in the user control itself.)
ConditionalKeyBindings(all_bindings, buffer_has_focus),
# Active, even when no buffer has been focussed.
load_mouse_bindings(),
load_cpr_bindings(),
])
def load_key_bindings():
"""
Create a KeyBindings object that contains the default key bindings.
"""
all_bindings = merge_key_bindings([
# Load basic bindings.
load_basic_bindings(),
# Load emacs bindings.
load_emacs_bindings(),
load_emacs_search_bindings(),
# Load Vi bindings.
load_vi_bindings(),
load_vi_search_bindings(),
])
return merge_key_bindings([
# Make sure that the above key bindings are only active if the
# currently focused control is a `BufferControl`. For other controls, we
# don't want these key bindings to intervene. (This would break "ptterm"
# for instance, which handles 'Keys.Any' in the user control itself.)
ConditionalKeyBindings(all_bindings, buffer_has_focus),
# Active, even when no buffer has been focused.
load_mouse_bindings(),
load_cpr_bindings(),
])
def create_application(self):
# Default key bindings.
open_in_editor_bindings = load_open_in_editor_bindings()
prompt_bindings = create_prompt_bindings()
self.app = Application(
layout=self.create_layout(),
style=merge_styles([
default_style(),
DynamicStyle(lambda: self.style),
]),
key_bindings=merge_key_bindings([
merge_key_bindings([
ConditionalKeyBindings(
open_in_editor_bindings,
to_filter(self.enable_open_in_editor)
& has_focus(DEFAULT_BUFFER)), prompt_bindings
]),
DynamicKeyBindings(lambda: self.extra_key_bindings),
]),
editing_mode=self.editing_mode,
reverse_vi_search_direction=True,
on_render=self.on_render,
input=self.input,
output=self.output)
self.app.mp = self
def activate_mode(self, name, force=False):
if name not in self.modes:
raise Exception("no such mode")
mode = self.modes[name]
if self.current_mode_name == mode.name and not force:
return
current_mode = self.current_mode
if current_mode and current_mode.on_dectivated:
current_mode.on_dectivated(self)
self._current_mode = mode
self._restore_settings()
for name in self._fields:
if name != "key_bindings":
if hasattr(mode, name):
setattr(self, name, getattr(mode, name))
self.key_bindings = merge_key_bindings([
DynamicKeyBindings(lambda: self.current_mode.prompt_key_bindings),
merge_key_bindings([
m.key_bindings for m in self.modes.values() if m.key_bindings
])
])
if mode.on_activated:
mode.on_activated(self)
def _create_application(self, editing_mode, erase_when_done):
"""
Create the `Application` object.
"""
dyncond = self._dyncond
# 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=self.layout,
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
]),
DynamicKeyBindings(lambda: self.key_bindings),
]),
mouse_support=dyncond('mouse_support'),
editing_mode=editing_mode,
erase_when_done=erase_when_done,
reverse_vi_search_direction=True,
color_depth=lambda: self.color_depth,
# 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
def build_application():
layout = Layout(RootController())
def ensure_focus(_):
"""Ensures that at least one element on the screen is focused"""
app = get_app()
# prompt_toolkit's implementation of focusing is retarded
# so this is the only way I found of 'making it work'
# when switching screens or something prompt_toolkit doesn't recognize
# the new focusable elements added to the screen. this will ensure
# that at least one container/ui is marked as focusable so
# the screen can be interacted with
global global__default_target_focus # preferred element to be focused
if global__default_target_focus:
app.layout.focus(global__default_target_focus)
global__default_target_focus = None # reset for next render
app.invalidate() # trigger re-render
elif len(app.layout.get_visible_focusable_windows()) == 0:
focus_first_element()
app.invalidate() # trigger re-render
return Application(layout=layout,
key_bindings=merge_key_bindings(
[tab_bindings, exit_bindings]),
full_screen=True,
mouse_support=True,
after_render=ensure_focus,
style=root_style)
def __init__(self, **kwargs):
ptk_args = kwargs.pop("ptk_args", {})
super().__init__(**kwargs)
if ON_WINDOWS:
winutils.enable_virtual_terminal_processing()
self._first_prompt = True
self.history = ThreadedHistory(PromptToolkitHistory())
ptk_args.setdefault("history", self.history)
if not XSH.env.get("XONSH_COPY_ON_DELETE", False):
disable_copy_on_deletion()
if HAVE_SYS_CLIPBOARD:
ptk_args.setdefault("clipboard", PyperclipClipboard())
self.prompter: PromptSession = PromptSession(**ptk_args)
self.prompt_formatter = PTKPromptFormatter(self)
self.pt_completer = PromptToolkitCompleter(self.completer, self.ctx, self)
ptk_bindings = self.prompter.app.key_bindings
self.key_bindings = load_xonsh_bindings(ptk_bindings)
self._overrides_deprecation_warning_shown = False
# Store original `_history_matches` in case we need to restore it
self._history_matches_orig = self.prompter.default_buffer._history_matches
# This assumes that PromptToolkitShell is a singleton
events.on_ptk_create.fire(
prompter=self.prompter,
history=self.history,
completer=self.pt_completer,
bindings=self.key_bindings,
)
# Goes at the end, since _MergedKeyBindings objects do not have
# an add() function, which is necessary for on_ptk_create events
self.key_bindings = merge_key_bindings(
[self.key_bindings, load_emacs_shift_selection_bindings()]
)
def __init__(self, **kwargs):
super().__init__(**kwargs)
if ON_WINDOWS:
winutils.enable_virtual_terminal_processing()
self._first_prompt = True
self.history = ThreadedHistory(PromptToolkitHistory())
self.prompter = PromptSession(history=self.history)
self.prompt_formatter = PTKPromptFormatter(self.prompter)
self.pt_completer = PromptToolkitCompleter(self.completer, self.ctx,
self)
self.key_bindings = load_xonsh_bindings()
# Store original `_history_matches` in case we need to restore it
self._history_matches_orig = self.prompter.default_buffer._history_matches
# This assumes that PromptToolkitShell is a singleton
events.on_ptk_create.fire(
prompter=self.prompter,
history=self.history,
completer=self.pt_completer,
bindings=self.key_bindings,
)
# Goes at the end, since _MergedKeyBindings objects do not have
# an add() function, which is necessary for on_ptk_create events
self.key_bindings = merge_key_bindings(
[self.key_bindings,
load_emacs_shift_selection_bindings()])
def __init__(self, show_message, **kwargs):
self.show_message = show_message
super().__init__(**kwargs)
key_bindings = KeyBindings()
handle = key_bindings.add
# Readline-style bindings.
handle("home")(get_by_name("beginning-of-line"))
handle("end")(get_by_name("end-of-line"))
handle("left")(get_by_name("backward-char"))
handle("right")(get_by_name("forward-char"))
@handle("up")
def _(event: KeyPressEvent) -> None:
event.current_buffer.auto_up(count=event.arg)
@handle("down")
def _(event: KeyPressEvent) -> None:
event.current_buffer.auto_down(count=event.arg)
self._default_bindings = merge_key_bindings(
[
key_bindings,
load_emacs_shift_selection_bindings()
])
def _create_key_bindings(self, current_window, other_controls):
"""
Create a `KeyBindings` object that merges the `KeyBindings` from the
`UIControl` with all the parent controls and the global key bindings.
"""
key_bindings = []
# Collect key bindings from currently focused control and all parent
# controls. Don't include key bindings of container parent controls.
container = current_window
while container is not None:
kb = container.get_key_bindings()
if kb is not None:
key_bindings.append(kb)
if container.is_modal():
break
container = self.app.layout.get_parent(container)
# Add App key bindings
if self.app.key_bindings:
key_bindings.append(self.app.key_bindings)
# Add mouse bindings.
key_bindings.append(
ConditionalKeyBindings(self.app._page_navigation_bindings,
self.app.enable_page_navigation_bindings))
key_bindings.append(self.app._default_bindings)
# Reverse this list. The current control's key bindings should come
# last. They need priority.
key_bindings = key_bindings[::-1]
return merge_key_bindings(key_bindings)
def choose_version(assets):
'''choose a version from assets list'''
versions = list(map(lambda item: item['version'], assets))
# print(versions)
values = list(map(lambda item: (item, item), versions))
rdo = NewRadioList(values)
def do_exit(event):
# get_app().exit()
event.app.exit(result=rdo.current_value)
def do_up_down(event):
print(event)
pass
bindings = KeyBindings()
bindings.add('enter')(do_exit)
app_bindings = merge_key_bindings([load_key_bindings(), bindings])
selected = Application(layout=Layout(rdo), key_bindings=app_bindings).run()
if selected in versions:
print('your choice is:', end=' ')
# refer: https://github.com/jonathanslenders/python-prompt-toolkit/blob/master/examples/print-text/ansi.py
print_formatted_text(ANSI('\x1b[91m{0}'.format(selected)))
return selected
else:
print('canceled')
def _create_application(self, editing_mode, erase_when_done):
prompt_bindings = self._create_prompt_bindings()
search_mode_bindings = self._create_search_mode_bindings()
application = Application(
layout=self.layout,
full_screen=True,
key_bindings=merge_key_bindings([
merge_key_bindings([search_mode_bindings, prompt_bindings]),
]),
color_depth=lambda: self.color_depth,
input=self.input,
output=self.output)
return application
def load_page_navigation_bindings():
"""
Load both the Vi and Emacs bindings for page navigation.
"""
return merge_key_bindings([
load_emacs_page_navigation_bindings(),
load_vi_page_navigation_bindings(),
])
def load_page_navigation_bindings() -> KeyBindingsBase:
"""
Load both the Vi and Emacs bindings for page navigation.
"""
# Only enable when a `Buffer` is focused, otherwise, we would catch keys
# when another widget is focused (like for instance `c-d` in a
# ptterm.Terminal).
return ConditionalKeyBindings(
merge_key_bindings([
load_emacs_page_navigation_bindings(),
load_vi_page_navigation_bindings(),
]), buffer_has_focus)
def _create_key_bindings(
self, current_window: Window, other_controls: List[UIControl]
) -> KeyBindingsBase:
"""
Create a `KeyBindings` object that merges the `KeyBindings` from the
`UIControl` with all the parent controls and the global key bindings.
"""
key_bindings = []
collected_containers = set()
# Collect key bindings from currently focused control and all parent
# controls. Don't include key bindings of container parent controls.
container: Container = current_window
while True:
collected_containers.add(container)
kb = container.get_key_bindings()
if kb is not None:
key_bindings.append(kb)
if container.is_modal():
break
parent = self.app.layout.get_parent(container)
if parent is None:
break
else:
container = parent
# Include global bindings (starting at the top-model container).
for c in walk(container):
if c not in collected_containers:
kb = c.get_key_bindings()
if kb is not None:
key_bindings.append(GlobalOnlyKeyBindings(kb))
# Add App key bindings
if self.app.key_bindings:
key_bindings.append(self.app.key_bindings)
# Add mouse bindings.
key_bindings.append(
ConditionalKeyBindings(
self.app._page_navigation_bindings,
self.app.enable_page_navigation_bindings,
)
)
key_bindings.append(self.app._default_bindings)
# Reverse this list. The current control's key bindings should come
# last. They need priority.
key_bindings = key_bindings[::-1]
return merge_key_bindings(key_bindings)
def _create_app(dialog: AnyContainer, style: Optional[BaseStyle]) -> Application[Any]:
# Key bindings.
bindings = KeyBindings()
bindings.add("tab")(focus_next)
bindings.add("s-tab")(focus_previous)
return Application(
layout=Layout(dialog),
key_bindings=merge_key_bindings([load_key_bindings(), bindings]),
mouse_support=True,
style=style,
full_screen=True,
)
def _create_app(dialog, style):
# Key bindings.
bindings = KeyBindings()
bindings.add('tab')(focus_next)
bindings.add('s-tab')(focus_previous)
return Application(layout=Layout(dialog),
key_bindings=merge_key_bindings([
load_key_bindings(),
bindings,
]),
mouse_support=True,
style=style,
full_screen=True)
def _build_key_bindings(self):
focussed = has_focus(self.system_buffer)
# Emacs
emacs_bindings = KeyBindings()
handle = emacs_bindings.add
@handle('escape', filter=focussed)
@handle('c-g', filter=focussed)
@handle('c-c', filter=focussed)
def _(event):
" Hide system prompt. "
self.system_buffer.reset()
event.app.layout.focus_previous()
@handle('enter', filter=focussed)
def _(event):
" Run system command. "
event.app.run_system_command(
self.system_buffer.text,
display_before_text=self._get_display_before_text())
self.system_buffer.reset(append_to_history=True)
event.app.layout.focus_previous()
# Vi.
vi_bindings = KeyBindings()
handle = vi_bindings.add
@handle('escape', filter=focussed)
@handle('c-c', filter=focussed)
def _(event):
" Hide system prompt. "
event.app.vi_state.input_mode = InputMode.NAVIGATION
self.system_buffer.reset()
event.app.layout.focus_previous()
@handle('enter', filter=focussed)
def _(event):
" Run system command. "
event.app.vi_state.input_mode = InputMode.NAVIGATION
event.app.run_system_command(
self.system_buffer.text,
display_before_text=self._get_display_before_text())
self.system_buffer.reset(append_to_history=True)
event.app.layout.focus_previous()
return merge_key_bindings([
ConditionalKeyBindings(emacs_bindings, emacs_mode),
ConditionalKeyBindings(vi_bindings, vi_mode),
])
def _create_key_bindings(self, current_window: Window,
other_controls: List[UIControl]) -> KeyBindingsBase:
"""
Create a `KeyBindings` object that merges the `KeyBindings` from the
`UIControl` with all the parent controls and the global key bindings.
"""
key_bindings = []
collected_containers = set()
# Collect key bindings from currently focused control and all parent
# controls. Don't include key bindings of container parent controls.
container: Container = current_window
while True:
collected_containers.add(container)
kb = container.get_key_bindings()
if kb is not None:
key_bindings.append(kb)
if container.is_modal():
break
parent = self.app.layout.get_parent(container)
if parent is None:
break
else:
container = parent
# Include global bindings (starting at the top-model container).
for c in walk(container):
if c not in collected_containers:
kb = c.get_key_bindings()
if kb is not None:
key_bindings.append(GlobalOnlyKeyBindings(kb))
# Add App key bindings
if self.app.key_bindings:
key_bindings.append(self.app.key_bindings)
# Add mouse bindings.
key_bindings.append(ConditionalKeyBindings(
self.app._page_navigation_bindings,
self.app.enable_page_navigation_bindings))
key_bindings.append(self.app._default_bindings)
# Reverse this list. The current control's key bindings should come
# last. They need priority.
key_bindings = key_bindings[::-1]
return merge_key_bindings(key_bindings)
def _create_app(dialog: AnyContainer, style: Optional[BaseStyle]) -> Application[Any]:
# Key bindings.
bindings = KeyBindings()
bindings.add('tab')(focus_next)
bindings.add('s-tab')(focus_previous)
return Application(
layout=Layout(dialog),
key_bindings=merge_key_bindings([
load_key_bindings(),
bindings,
]),
mouse_support=True,
style=style,
full_screen=True)
def _create_app(dialog, style):
# Key bindings.
bindings = KeyBindings()
bindings.add('tab')(focus_next)
bindings.add('s-tab')(focus_previous)
return Application(
layout=Layout(dialog),
key_bindings=merge_key_bindings([
load_key_bindings(),
bindings,
]),
mouse_support=True,
style=style,
full_screen=True)
def __init__(self, **kwargs):
super().__init__(**kwargs)
if ON_WINDOWS:
winutils.enable_virtual_terminal_processing()
self._first_prompt = True
self.history = ThreadedHistory(PromptToolkitHistory())
self.prompter = PromptSession(history=self.history)
self.pt_completer = PromptToolkitCompleter(self.completer, self.ctx,
self)
self.key_bindings = merge_key_bindings(
[load_xonsh_bindings(),
load_emacs_shift_selection_bindings()])
# Store original `_history_matches` in case we need to restore it
self._history_matches_orig = self.prompter.default_buffer._history_matches
# This assumes that PromptToolkitShell is a singleton
events.on_ptk_create.fire(
prompter=self.prompter,
history=self.history,
completer=self.pt_completer,
bindings=self.key_bindings,
)
def radiolist_dialog(title='', values=None, style=None, async_=False):
# Add exit key binding.
bindings = KeyBindings()
@bindings.add('c-d')
def exit_(event):
"""
Pressing Ctrl-d will exit the user interface.
"""
event.app.exit()
radio_list = RadioListFast(values)
application = Application(
layout=Layout(HSplit([Label(title), radio_list])),
key_bindings=merge_key_bindings([load_key_bindings(), bindings]),
mouse_support=True,
style=style,
full_screen=False)
if async_:
return application.run_async()
else:
return application.run()
def _build_key_bindings(self):
focused = has_focus(self.system_buffer)
# Emacs
emacs_bindings = KeyBindings()
handle = emacs_bindings.add
@handle('escape', filter=focused)
@handle('c-g', filter=focused)
@handle('c-c', filter=focused)
def _(event):
" Hide system prompt. "
self.system_buffer.reset()
event.app.layout.focus_last()
@handle('enter', filter=focused)
def _(event):
" Run system command. "
event.app.run_system_command(
self.system_buffer.text,
display_before_text=self._get_display_before_text())
self.system_buffer.reset(append_to_history=True)
event.app.layout.focus_last()
# Vi.
vi_bindings = KeyBindings()
handle = vi_bindings.add
@handle('escape', filter=focused)
@handle('c-c', filter=focused)
def _(event):
" Hide system prompt. "
event.app.vi_state.input_mode = InputMode.NAVIGATION
self.system_buffer.reset()
event.app.layout.focus_last()
@handle('enter', filter=focused)
def _(event):
" Run system command. "
event.app.vi_state.input_mode = InputMode.NAVIGATION
event.app.run_system_command(
self.system_buffer.text,
display_before_text=self._get_display_before_text())
self.system_buffer.reset(append_to_history=True)
event.app.layout.focus_last()
# Global bindings. (Listen to these bindings, even when this widget is
# not focussed.)
global_bindings = KeyBindings()
handle = global_bindings.add
@handle(Keys.Escape, '!', filter=~focused & emacs_mode, is_global=True)
def _(event):
" M-'!' will focus this user control. "
event.app.layout.focus(self.window)
@handle('!',
filter=~focused & vi_mode & vi_navigation_mode,
is_global=True)
def _(event):
" Focus. "
event.app.vi_state.input_mode = InputMode.INSERT
event.app.layout.focus(self.window)
return merge_key_bindings([
ConditionalKeyBindings(emacs_bindings, emacs_mode),
ConditionalKeyBindings(vi_bindings, vi_mode),
ConditionalKeyBindings(global_bindings,
self.enable_global_bindings),
])
def browse():
"""
A browser for the bibmanager database.
"""
# Content of the text buffer:
bibs = bm.load()
keys = [bib.key for bib in bibs]
all_compact_text = "\n".join(keys)
all_expanded_text = "\n\n".join(bib.meta() + bib.content for bib in bibs)
# A list object, since I want this to be a global variable
selected_content = [None]
lex_style = style_from_pygments_cls(
pygments.styles.get_style_by_name(cm.get('style')))
custom_style = Style.from_dict({
"status": "reverse",
"status.position": "#aaaa00",
"status.key": "#ffaa00",
"shadow": "bg:#440044",
"not-searching": "#888888",
})
style = merge_styles([lex_style, custom_style])
def get_menubar_text():
return [
("class:status", " ("),
("class:status.key", "enter"),
("class:status", ")select entry ("),
("class:status.key", "e"),
("class:status", ")xpand entry ("),
("class:status.key", "f"),
("class:status", ")ind ("),
("class:status.key", "s"),
("class:status", ")ave ("),
("class:status.key", "h"),
("class:status", ")elp ("),
("class:status.key", "q"),
("class:status", ")uit"),
]
def get_menubar_right_text():
"""Get index of entry under cursor."""
key = get_current_key(text_field.buffer.document, keys)
return f" {keys.index(key) + 1} "
def get_infobar_text():
"""Get author-year-title of entry under cursor."""
key = get_current_key(text_field.buffer.document, keys)
bib = bibs[keys.index(key)]
year = '' if bib.year is None else bib.year
title = 'NO_TITLE' if bib.title is None else bib.title
return f"{bib.get_authors('ushort')}{year}: {title}"
search_buffer = Buffer(completer=WordCompleter(keys),
complete_while_typing=False,
multiline=False)
literal_search_field = SearchToolbar(
search_buffer=search_buffer,
forward_search_prompt="Text search: ",
backward_search_prompt="Text search backward: ",
ignore_case=False)
# Entry search bar:
authors_list = [bib.authors for bib in bibs]
firsts = sorted(
set([
u.get_authors([authors[0]], format='ushort')
for authors in authors_list if authors is not None
]))
firsts = [
'^{' + first + '}' if ' ' in first else '^' + first for first in firsts
]
lasts = sorted(
set([
u.get_authors([author], format='ushort')
for authors in authors_list if authors is not None
for author in authors
]))
lasts = ['{' + last + '}' if ' ' in last else last for last in lasts]
bibkeys = [bib.key for bib in bibs]
bibcodes = [bib.bibcode for bib in bibs if bib.bibcode is not None]
bibyears = sorted(
set([str(bib.year) for bib in bibs if bib.year is not None]))
titles = [bib.title for bib in bibs]
tags = sorted(
set(
itertools.chain(
*[bib.tags for bib in bibs if bib.tags is not None])))
key_words = {
'author:"^"': firsts,
'author:""': lasts,
'year:': bibyears,
'title:""': titles,
'key:': bibkeys,
'bibcode:': bibcodes,
'tags:': tags,
}
completer = u.DynamicKeywordCompleter(key_words)
suggester = u.DynamicKeywordSuggester()
auto_suggest_bindings = load_auto_suggest_bindings()
# Searcher:
entry_search_buffer = Buffer(
completer=completer,
complete_while_typing=False,
auto_suggest=suggester,
)
def get_line_prefix(lineno, wrap_count):
return FormattedText([
('bold', 'Entry search: '),
])
entry_search_field = Window(BufferControl(
buffer=entry_search_buffer,
input_processors=[AppendAutoSuggestion()],
),
get_line_prefix=get_line_prefix,
height=1)
# Wrap in conditional container to display it only when focused:
entry_search_focus = Condition(
lambda: get_app().layout.current_window == entry_search_field)
entry_search_container = ConditionalContainer(
content=entry_search_field,
filter=entry_search_focus,
)
text_field = TextArea(
text=all_compact_text,
lexer=PygmentsLexer(BibTeXLexer),
scrollbar=True,
line_numbers=False,
read_only=True,
search_field=literal_search_field,
input_processors=[HighlightEntryProcessor()],
)
text_field.buffer.name = 'text_area_buffer'
text_field.is_expanded = False
text_field.compact_text = all_compact_text
text_field.expanded_text = all_expanded_text
# Shortcut to HighlightEntryProcessor:
for processor in text_field.control.input_processors:
if processor.__class__.__name__ == 'HighlightEntryProcessor':
text_field.bm_processor = processor
# Do not highlight searched text:
sp = text_field.control.default_input_processors[0]
sp._classname = ' '
sp._classname_current = ' '
menu_bar = VSplit(
[
Window(FormattedTextControl(get_menubar_text),
style="class:status"),
Window(FormattedTextControl(get_menubar_right_text),
style="class:status.right",
width=9,
align=WindowAlign.RIGHT),
],
height=1,
)
info_bar = ConditionalContainer(
content=Window(
content=FormattedTextControl(get_infobar_text),
height=D.exact(1),
style="class:status",
),
filter=~entry_search_focus,
)
body = HSplit([
menu_bar,
text_field,
literal_search_field,
entry_search_container,
info_bar,
])
root_container = FloatContainer(
content=body,
floats=[
Float(
xcursor=True,
ycursor=True,
content=CompletionsMenu(max_height=16, scroll_offset=1),
),
],
)
# Key bindings:
bindings = KeyBindings()
text_focus = Condition(
lambda: get_app().layout.current_window == text_field.window)
dialog_focus = Condition(
lambda: hasattr(get_app().layout.current_window, 'dialog'))
@bindings.add("q", filter=text_focus)
def _quit(event):
event.app.exit()
# Navigation:
@bindings.add("g", filter=text_focus)
def _go_to_first_line(event):
event.current_buffer.cursor_position = 0
@bindings.add("G", filter=text_focus)
def _go_to_last_line(event) -> None:
event.current_buffer.cursor_position = len(event.current_buffer.text)
@bindings.add("d", filter=text_focus)
def _scroll_down(event):
scroll_half_page_down(event)
@bindings.add("u", filter=text_focus)
def _scroll_up(event):
scroll_half_page_up(event)
@bindings.add("n", filter=text_focus)
def _find_next(event):
search_state = event.app.current_search_state
event.current_buffer.apply_search(search_state,
include_current_position=False,
count=event.arg)
@bindings.add("N", filter=text_focus)
def _find_previous(event):
search_state = event.app.current_search_state
event.current_buffer.apply_search(~search_state,
include_current_position=False,
count=event.arg)
@bindings.add("h", filter=text_focus)
def _show_help(event):
show_message("Shortcuts", help_message)
@bindings.add("f", filter=text_focus)
def _start_literal_search(event):
search.start_search(direction=search.SearchDirection.FORWARD)
# TBD: Remove 't' binding no before 17/12/2022
@bindings.add("t", filter=text_focus)
@bindings.add("k", filter=text_focus)
def _start_entry_search(event):
text_field.current_key = get_current_key(event.current_buffer.document,
keys)
event.app.layout.focus(entry_search_field)
@bindings.add("b", filter=text_focus)
def _open_in_browser(event):
key = get_current_key(event.current_buffer.document, keys)
bib = bm.find(key=key, bibs=bibs)
if bib.adsurl is not None:
webbrowser.open(bib.adsurl, new=2)
else:
show_message("Message", f"Entry '{key}' does not have an ADS url.")
@bindings.add("c-c", filter=dialog_focus)
def _close_dialog(event):
get_app().layout.current_window.dialog.future.set_result(None)
@bindings.add("s", filter=text_focus)
def _save_selected_to_file(event):
selected = text_field.bm_processor.selected_entries
if len(selected) == 0:
show_message("Message", "Nothing to save.")
return
async def coroutine():
dialog = TextInputDialog(
title="Save to File",
label_text="\nEnter a file path or leave blank to quit "
"and print to screen:\n(press Control-c to cancel)\n",
completer=PathCompleter(),
)
path = await show_dialog_as_float(dialog)
content = '\n\n'.join(bibs[keys.index(key)].content
for key in selected)
if path == "":
selected_content[0] = content
# The program termination is in TextInputDialog() since I
# need to close this coroutine first.
return
if path is not None:
try:
with open(path, "w") as f:
f.write(content)
except IOError as e:
show_message("Error", str(e))
ensure_future(coroutine())
@bindings.add("enter", filter=text_focus)
def _toggle_selected_entry(event):
"Select/deselect entry pointed by the cursor."
key = get_current_key(event.current_buffer.document, keys)
text_field.bm_processor.toggle_selected_entry(key)
@bindings.add("enter", filter=entry_search_focus)
def _select_entries(event):
"Parse the input tag text and send focus back to main text."
# Reset tag text to '':
doc = event.current_buffer.document
start_pos = doc.cursor_position + doc.get_start_of_line_position()
event.current_buffer.cursor_position = start_pos
event.current_buffer.delete(doc.get_end_of_line_position() -
doc.get_start_of_line_position())
# Catch text and parse search text:
matches = u.parse_search(doc.current_line)
if len(matches) == 0:
text_field.compact_text = all_compact_text[:]
text_field.expanded_text = all_expanded_text[:]
search_buffer.completer.words = keys
else:
text_field.compact_text = "\n".join([bib.key for bib in matches])
text_field.expanded_text = "\n\n".join(bib.meta() + bib.content
for bib in matches)
search_buffer.completer.words = [bib.key for bib in matches]
# Return focus to main text:
event.app.layout.focus(text_field.window)
# Update main text with selected tag:
buffer = event.current_buffer
text_field.text = text_field.compact_text
if text_field.current_key in search_buffer.completer.words:
buffer_position = text_field.text.index(text_field.current_key)
else:
buffer_position = 0
buffer.cursor_position = buffer_position
text_field.is_expanded = False
# TBD: Remove 'T' binding no before 17/12/2022
@bindings.add("T", filter=text_focus)
@bindings.add("K", filter=text_focus)
def _deselect_tags(event):
buffer = event.current_buffer
key = get_current_key(buffer.document, keys)
text_field.compact_text = all_compact_text[:]
text_field.expanded_text = all_expanded_text[:]
search_buffer.completer.words = keys
# Update main text:
text_field.text = text_field.compact_text
buffer.cursor_position = buffer.text.index(key)
text_field.is_expanded = False
@bindings.add("e", filter=text_focus)
def _expand_collapse_entry(event):
"Expand/collapse current entry."
doc = event.current_buffer.document
key, start_end, is_expanded = get_current_key(doc,
keys,
get_start_end=True,
get_expanded=True)
bib = bm.find(key=key, bibs=bibs)
if is_expanded:
# Remove blank lines around if surrounded by keys:
start_row, _ = doc._find_line_start_index(start_end[0])
if start_row > 0 and doc.lines[start_row - 2] in keys:
start_end[0] -= 1
end_row, _ = doc._find_line_start_index(start_end[1])
if end_row < doc.line_count - 1 and doc.lines[end_row + 2] in keys:
start_end[1] += 1
event.app.clipboard.set_text(bib.key)
else:
expanded_content = bib.meta() + bib.content
row = doc.cursor_position_row
# Add blank lines around if surrounded by keys:
if row > 0 and doc.lines[row - 1] != '':
expanded_content = '\n' + expanded_content
if row < doc.line_count - 1 and doc.lines[row + 1] != '':
expanded_content = expanded_content + '\n'
event.app.clipboard.set_text(expanded_content)
text_field.read_only = False
event.current_buffer.cursor_position = start_end[0]
event.current_buffer.delete(count=start_end[1] - start_end[0])
event.current_buffer.paste_clipboard_data(
event.app.clipboard.get_data(),
count=event.arg,
paste_mode=PasteMode.VI_BEFORE)
text_field.read_only = True
if is_expanded:
event.current_buffer.cursor_position = start_end[0]
@bindings.add("E", filter=text_focus)
def _expand_collapse_all(event):
"Expand/collapse all entries."
buffer = event.current_buffer
key = get_current_key(buffer.document, keys)
if text_field.is_expanded:
text_field.text = text_field.compact_text
else:
text_field.text = text_field.expanded_text
buffer.cursor_position = buffer.text.index(key)
text_field.is_expanded = not text_field.is_expanded
@bindings.add("o", filter=text_focus)
def _open_pdf(event):
buffer = event.current_buffer
key = get_current_key(buffer.document, keys)
bib = bm.find(key=key, bibs=bibs)
has_pdf = bib.pdf is not None
has_bibcode = bib.bibcode is not None
is_missing = has_pdf and not os.path.exists(f'{u.BM_PDF()}{bib.pdf}')
if not has_pdf and not has_bibcode:
show_message("Message",
f"BibTeX entry '{key}' does not have a PDF.")
return
if has_pdf and not is_missing:
pm.open(key=key)
return
if has_pdf and is_missing and not has_bibcode:
show_message(
"Message",
f"BibTeX entry has a PDF file: {bib.pdf}, but the file "
"could not be found.")
return
# Need to fetch before opening:
async def coroutine():
dialog = MessageDialog(
"PDF file not found",
"Fetch from ADS?\n(might take a few seconds ...)",
asking=True)
fetch = await show_dialog_as_float(dialog)
if fetch:
with io.StringIO() as buf, redirect_stdout(buf):
fetched = pm.fetch(bib.bibcode, replace=True)
fetch_output = buf.getvalue()
if fetched is None:
show_message("PDF fetch failed", fetch_output)
else:
show_message("PDF fetch succeeded.", fetch_output)
pm.open(key=key)
ensure_future(coroutine())
key_bindings = merge_key_bindings([
auto_suggest_bindings,
bindings,
])
application = Application(
layout=Layout(root_container, focused_element=text_field),
key_bindings=key_bindings,
enable_page_navigation_bindings=True,
style=style,
full_screen=True,
)
application.run()
if selected_content[0] is not None:
tokens = list(pygments.lex(selected_content[0], lexer=BibTeXLexer()))
print_formatted_text(
PygmentsTokens(tokens),
end="",
style=lex_style,
#output=create_output(sys.stdout),
)
from new_radio_list import NewRadioList
library = 'jqueryui'
resp = requests.get(
'https://api.cdnjs.com/libraries/{0}?fields=assets'.format(library))
if resp.ok:
data = json.loads(resp.text)
if isinstance(data, dict) and 'assets' in data:
assets = data['assets']
versions = list(map(lambda item: item['version'], assets))
print(versions)
values = list(map(lambda item: (item, item), versions))
rdo = NewRadioList(values)
def do_exit(event):
# get_app().exit()
event.app.exit(result=rdo.current_value)
def do_up_down(event):
print(event)
pass
bindings = KeyBindings()
bindings.add('enter')(do_exit)
app_bindings = merge_key_bindings([load_key_bindings(), bindings])
selected = Application(layout=Layout(rdo),
key_bindings=app_bindings).run()
print('your choice is:', end=' ')
# refer: https://github.com/jonathanslenders/python-prompt-toolkit/blob/master/examples/print-text/ansi.py
print_formatted_text(ANSI('\x1b[91m{0}'.format(selected)))
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
@kb.add('tab', filter=(~has_completions) & ~has_focus(input_field))
def _(event: KeyPressEvent):
event.app.layout.focus_next()
@kb.add('s-tab')
def _(event: KeyPressEvent):
event.app.layout.focus_previous()
@kb.add('enter', filter=has_focus(input_field))
def _(event: KeyPressEvent):
input_field.add_history(input_field.text)
input_field.text = ''
text = 'hello'
output_field.buffer.document = Document(text=text,
cursor_position=len(text))
@kb.add('c-f', filter=has_focus(output_field))
def _(event: KeyPressEvent):
start_search(output_field.control)
global_kb = merge_key_bindings([
kb,
load_auto_suggest_bindings(),
load_mouse_bindings(),
load_vi_bindings()
])
def _build_key_bindings(self):
focused = has_focus(self.system_buffer)
# Emacs
emacs_bindings = KeyBindings()
handle = emacs_bindings.add
@handle('escape', filter=focused)
@handle('c-g', filter=focused)
@handle('c-c', filter=focused)
def _(event):
" Hide system prompt. "
self.system_buffer.reset()
event.app.layout.focus_last()
@handle('enter', filter=focused)
def _(event):
" Run system command. "
event.app.run_system_command(
self.system_buffer.text,
display_before_text=self._get_display_before_text())
self.system_buffer.reset(append_to_history=True)
event.app.layout.focus_last()
# Vi.
vi_bindings = KeyBindings()
handle = vi_bindings.add
@handle('escape', filter=focused)
@handle('c-c', filter=focused)
def _(event):
" Hide system prompt. "
event.app.vi_state.input_mode = InputMode.NAVIGATION
self.system_buffer.reset()
event.app.layout.focus_last()
@handle('enter', filter=focused)
def _(event):
" Run system command. "
event.app.vi_state.input_mode = InputMode.NAVIGATION
event.app.run_system_command(
self.system_buffer.text,
display_before_text=self._get_display_before_text())
self.system_buffer.reset(append_to_history=True)
event.app.layout.focus_last()
# Global bindings. (Listen to these bindings, even when this widget is
# not focussed.)
global_bindings = KeyBindings()
handle = global_bindings.add
@handle(Keys.Escape, '!', filter= ~focused & emacs_mode, is_global=True)
def _(event):
" M-'!' will focus this user control. "
event.app.layout.focus(self.window)
@handle('!', filter=~focused & vi_mode & vi_navigation_mode, is_global=True)
def _(event):
" Focus. "
event.app.vi_state.input_mode = InputMode.INSERT
event.app.layout.focus(self.window)
return merge_key_bindings([
ConditionalKeyBindings(emacs_bindings, emacs_mode),
ConditionalKeyBindings(vi_bindings, vi_mode),
ConditionalKeyBindings(global_bindings, self.enable_global_bindings),
])
def show_dialog(questions, title, confirm, cancel):
handlers = []
layouts = []
for q in questions:
handler = get_instance(q)
l = handler.get_layout()
l.align = HorizontalAlign.JUSTIFY
layouts.append(l)
handlers.append(handler)
def ok_handler():
result = dict()
for handler in handlers:
result.update(handler.get_answer())
get_app().exit(result=result)
dialog = Dialog(title=title,
body=HSplit(layouts, padding=1),
buttons=[
Button(text=confirm, handler=ok_handler),
Button(text=cancel, handler=lambda: get_app().exit()),
],
with_background=True)
# Key bindings.
bindings = KeyBindings()
app = Application(layout=Layout(dialog),
key_bindings=merge_key_bindings([
load_key_bindings(),
bindings,
]),
mouse_support=True,
style=for_dialog(),
full_screen=True)
size = app.renderer.output.get_size()
container = app.layout.container
height = container.preferred_height(size.columns, size.rows).preferred
if height > size.rows:
message_dialog(title='Too many questions',
text='Cannot render a {} rows dialog in a '
'{} rows screen: too many questions!'.format(
height, size.rows),
ok_text='Got it!')
return
while True:
validation_errors = []
answers = app.run()
if answers is None:
return
for handler in handlers:
if not handler.is_valid():
for msg in handler.errors:
validation_errors.append('{}: {}'.format(
handler.get_variable_name(), msg))
if not validation_errors:
return answers
show_error_dialog(validation_errors)
def _create_application(self, editing_mode, erase_when_done):
"""
Create the `Application` object.
"""
dyncond = self._dyncond
# 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=self.layout,
style=DynamicStyle(lambda: self.style),
style_transformation=merge_style_transformations([
DynamicStyleTransformation(lambda: self.style_transformation),
ConditionalStyleTransformation(
SwapLightAndDarkStyleTransformation(),
dyncond('swap_light_and_dark_colors'),
),
]),
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
]),
DynamicKeyBindings(lambda: self.key_bindings),
]),
mouse_support=dyncond('mouse_support'),
editing_mode=editing_mode,
erase_when_done=erase_when_done,
reverse_vi_search_direction=True,
color_depth=lambda: self.color_depth,
# 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 = is_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
def show_dialog(questions, title, confirm, cancel):
handlers = []
for q in questions:
handler = get_handlers_registry().get_handler(q,
questions,
None,
mode=Mode.DIALOG)
handlers.append(handler)
def ok_handler():
result = dict()
for handler in handlers:
result.update(handler.get_answer())
get_app().exit(result=result)
dialog = Dialog(title=title,
body=HSplit([h.get_layout() for h in handlers], padding=1),
buttons=[
Button(text=confirm, handler=ok_handler),
Button(text=cancel, handler=lambda: get_app().exit()),
],
with_background=True)
# Key bindings.
bindings = KeyBindings()
bindings.add('tab')(focus_next)
bindings.add('s-tab')(focus_previous)
app = Application(layout=Layout(dialog),
key_bindings=merge_key_bindings([
load_key_bindings(),
bindings,
]),
mouse_support=True,
style=get_theme_manager().get_current_style(),
full_screen=True)
size = app.renderer.output.get_size()
container = app.layout.container
height = container.preferred_height(size.columns, size.rows).preferred
if height > size.rows:
message_dialog(title='Too many questions',
text='Cannot render a {} rows dialog in a '
'{} rows screen: too many questions!'.format(
height, size.rows),
ok_text='Got it!')
return
while True:
validation_errors = []
answers = app.run()
if answers is None:
return
for handler in handlers:
for msg in handler.apply_validators():
validation_errors.append('{}: {}'.format(
handler.get_variable_name(), msg))
if not validation_errors:
return answers
show_error_dialog(validation_errors)