def ask_quit() -> 'IO':
"""Ask for quit confirmation, no need to press enter"""
printer.print_bottom('\nAre you sure you want to exit?', offset=1)
with TERM.cbreak():
ans = TERM.inkey()
if ans == 'y' or ans == 'q' or ans.name == 'KEY_ENTER':
sys.exit(0)
def start(self) -> (int, int):
"""Main loop"""
self.maybe_move_down()
self.spaces = self.start_spaces
self.valid = True
with TERM.cbreak():
while True:
if self.is_input_valid():
self.hide_show_print()
ans = TERM.inkey()
utils.quit_on_q(ans)
if ans.name == 'KEY_ENTER' and self.image:
self.maybe_erase()
lscat.api.hide(self.image)
if self.static:
lscat.api.hide(self.static)
return self.return_tup()
if ans in PLUS:
self.spaces += 1
self.valid = True
elif ans in MINUS and self.spaces > self.start_spaces:
self.spaces -= 1
self.valid = True
else:
self.valid = False
def scroll_prompt(tracker, data, max_images):
show = True
terminal_page = 0
images = []
if tracker is lscat.TrackDownloadsUsers:
max_scrolls = utils.max_terminal_scrolls(data, False)
else:
max_scrolls = utils.max_terminal_scrolls(data, True)
with TERM.cbreak():
while True:
if show:
lscat.api.hide_all(images)
myslice = utils.slice_images(max_images, terminal_page)
images = lscat.handle_scroll(tracker, data, myslice)
ans = TERM.inkey()
utils.quit_on_q(ans)
if ans.name == 'KEY_DOWN' and terminal_page + 1 < max_scrolls:
terminal_page += 1
show = True
elif ans.name == 'KEY_UP' and terminal_page > 0:
terminal_page -= 1
show = True
else:
print('Out of bounds!')
show = False
def center_spaces_assistant():
"""=== Ueberzug center image ===
Use +/= to move the image right, and -/_ to move it left
Adjust the position to the center of your terminal
Use q to exit the program, and press enter to confirm the current position
"""
if not config.api.use_ueberzug():
print('Center images assistant is only for ueberzug!')
return -1
# Setup
image = WELCOME_IMAGE.parent / '79494300_p0.png'
valid = True
spacing = 0
i = 0
# Start
printer.print_doc(center_spaces_assistant.__doc__)
print('\n' * (TERM.height - 9), f'Current position: {spacing:01}')
with TERM.cbreak():
while True:
if valid:
printer.move_cursor_up(1)
print(f'Current position: {spacing:02}')
placement = lscat.api.show(image, spacing, 0, 500)
ans = TERM.inkey()
utils.quit_on_q(ans)
if ans in PLUS:
spacing += 1
valid = True
elif ans in MINUS and spacing > 0:
spacing -= 1
valid = True
elif ans.name == 'KEY_ENTER':
os.system('clear')
lscat.api.hide(placement)
return spacing
else:
valid = False
if valid:
lscat.api.hide(placement)
i += 1
def gallery_print_spacing_assistant(size, xpadding, image_width,
image_height: int) -> 'list[int]':
"""=== Gallery print spacing ===
Use +/= to increase the spacing, and -/_ to decrease it
Use q to exit the program, and press enter to go to the next assistant
Use left and right arrow keys to change the current space selection
Do you want to preview an existing cache dir? [y/N]
To keep your chosen thumbnail size, image width and x spacing, enter 'n'.
"""
printer.print_doc(
gallery_print_spacing_assistant.__doc__) # Action before start
ans = input()
# Setup variables
ncols, images = _display_inital_row(ans, size, xpadding, image_width,
image_height)
# Just the default settings; len(first_list) == 5
spacings = [9, 17, 17, 17, 17] + [17] * (ncols - 5)
current_selection = 0
# Start
print('\n')
with TERM.cbreak():
while True:
printer.update_gallery_info(spacings, ncols, current_selection)
ans = TERM.inkey()
utils.quit_on_q(ans)
if ans in PLUS and pure.line_width(spacings, ncols) < TERM.width:
spacings[current_selection] += 1
elif ans in MINUS and spacings[current_selection] > 0:
spacings[current_selection] -= 1
# right arrow
elif (ans.name == 'KEY_RIGHT' or ans in {'d', 'l'}
and current_selection < len(spacings) - 1):
current_selection += 1
# left arrow
elif ans.name == 'KEY_LEFT' or ans in {'a', 'h'
} and current_selection > 0:
current_selection -= 1
elif ans.name == 'KEY_ENTER':
lscat.api.hide_all(images)
return spacings
def start(self) -> 'IO':
show_images = True
self.terminal_page = 0
with TERM.cbreak():
while True:
if show_images:
self.show_func()
self.maybe_show_preview()
self.report()
ans = TERM.inkey()
print(ans)
utils.quit_on_q(ans)
if ans == 'n' and self.current_page == self.max_pages:
print('This is the last cached page!')
show_images = False
elif ans == 'p' and self.current_page == self.condition:
print('This is the last page!')
show_images = False
elif ans == 'n':
os.system('clear')
self.current_page += 1
show_images = True
elif ans == 'p':
os.system('clear')
self.current_page -= 1
show_images = True
elif (ans.name == 'KEY_DOWN' and self.scrollable
and self.terminal_page + 1 < self.max_scrolls):
self.terminal_page += 1
show_images = True
elif (ans.name == 'KEY_UP' and self.scrollable
and self.terminal_page > 0):
self.terminal_page -= 1
show_images = True
else:
print('Invalid input!')
show_images = False
if show_images:
self.end_func()
def thumbnail_size_assistant() -> 'IO[int]':
"""=== Thumbnail size ===
This will display an image whose thumbnail size can be varied
Use +/= to increase the size, and -/_ to decrease it
Use q to exit the program, and press enter to confirm the size
Keep in mind this size will be used for a grid of images
"""
# Setup
images = []
size = 300
previous_size = 300
# Start
printer.print_doc(thumbnail_size_assistant.__doc__)
with TERM.cbreak():
while True:
images.append(lscat.api.show(WELCOME_IMAGE, 0, 0, size))
with TERM.location(0, (TERM.height - 10)):
print(f'size = {size}')
ans = TERM.inkey()
utils.quit_on_q(ans)
if ans in PLUS:
previous_size = size
size += 20
# +, +, +, -, +
# | | ^ |> Do nothing here as well
# | | |
# | | |
# | | This is where all images should be hidden
# | |
# No images hidden in this range
elif ans in MINUS:
previous_size = size
size -= 20
if previous_size > size:
lscat.api.hide_all(images)
elif ans.name == 'KEY_ENTER':
lscat.api.hide_all(images)
return size
def user_info_assistant(thumbnail_size, xpadding, image_width: int) -> int:
"""=== User print name xcoord ===
Use +/= to move the text right, and -/_ to move it left
Adjust the position as you see fit
Use q to exit the program, and press enter to confirm the current position
"""
# Setup variables
spacing, _ = config.api.gen_users_settings() # Default
preview_xcoords = pure.xcoords(TERM.width, image_width, xpadding, 1)[-3:]
# Start
printer.print_doc(user_info_assistant.__doc__)
images = lscat.api.show_user_row(WELCOME_IMAGE, preview_xcoords, xpadding,
thumbnail_size)
if not config.api.use_ueberzug():
printer.move_cursor_up(5)
else:
printer.move_cursor_down(3)
with TERM.cbreak():
while True:
printer.update_user_info(spacing)
ans = TERM.inkey()
utils.quit_on_q(ans)
if ans in PLUS:
spacing += 1
elif ans in MINUS and spacing > 0:
spacing -= 1
elif ans.name == 'KEY_ENTER':
print('\n' * 3)
lscat.api.hide_all(images)
return spacing
def ask_wait_user_input(keyseqs: 'list[str]', view_name: str) -> str:
if not keyseqs:
printer.print_bottom(f'Enter {view_name} view command:', offset=-1)
command = TERM.inkey()
printer.print_bottom(command, offset=2, end='', flush=True)
return command