def test_tabs():
a = Tk()
n = Notebook( a, TOP )
# uses the Notebook's frame
f1 = Frame( n() )
b1 = Button( f1, text="Ignore me" )
e1 = Entry( f1 )
# pack your widgets before adding the frame
# to the Notebook (but not the frame itself)!
b1.pack( fill=BOTH, expand=1 )
e1.pack( fill=BOTH, expand=1 )
# keeps the reference to the radiobutton (optional)
x1 = n.add_screen( f1, "Tab 1" )
f2 = Frame( n() )
# this button destroys the 1st screen radiobutton
b2 = Button( f2, text='Remove Tab 1', command=lambda:x1.destroy() )
b3 = Button( f2, text='Beep...', command=lambda:Tk.bell( a ) )
b2.pack( fill=BOTH, expand=1 )
b3.pack( fill=BOTH, expand=1 )
f3 = Frame( n() )
n.add_screen( f2, "Tab 2" )
n.add_screen( f3, "Minimize" )
a.mainloop()
class NvimTk(object):
"""Wraps all nvim/tk event handling."""
def __init__(self, nvim):
"""Initialize with a Nvim instance."""
self._nvim = nvim
self._attrs = {}
self._nvim_updates = deque()
self._canvas = None
self._fg = '#000000'
self._bg = '#ffffff'
def run(self):
"""Start the UI."""
self._tk_setup()
t = Thread(target=self._nvim_event_loop)
t.daemon = True
t.start()
self._root.mainloop()
def _tk_setup(self):
self._root = Tk()
self._root.bind('<<nvim_redraw>>', self._tk_nvim_redraw)
self._root.bind('<<nvim_detach>>', self._tk_nvim_detach)
self._root.bind('<Key>', self._tk_key)
def _tk_nvim_redraw(self, *args):
update = self._nvim_updates.popleft()
for update in update:
handler = getattr(self, '_tk_nvim_' + update[0])
for args in update[1:]:
handler(*args)
def _tk_nvim_detach(self, *args):
self._root.destroy()
def _tk_nvim_resize(self, width, height):
self._tk_redraw_canvas(width, height)
def _tk_nvim_clear(self):
self._tk_clear_region(0, self._height - 1, 0, self._width - 1)
def _tk_nvim_eol_clear(self):
row, col = (
self._cursor_row,
self._cursor_col,
)
self._tk_clear_region(row, row, col, self._scroll_right)
def _tk_nvim_cursor_goto(self, row, col):
self._cursor_row = row
self._cursor_col = col
def _tk_nvim_cursor_on(self):
pass
def _tk_nvim_cursor_off(self):
pass
def _tk_nvim_mouse_on(self):
pass
def _tk_nvim_mouse_off(self):
pass
def _tk_nvim_insert_mode(self):
pass
def _tk_nvim_normal_mode(self):
pass
def _tk_nvim_set_scroll_region(self, top, bot, left, right):
self._scroll_top = top
self._scroll_bot = bot
self._scroll_left = left
self._scroll_right = right
def _tk_nvim_scroll(self, count):
top, bot = (
self._scroll_top,
self._scroll_bot,
)
left, right = (
self._scroll_left,
self._scroll_right,
)
if count > 0:
destroy_top = top
destroy_bot = top + count - 1
move_top = destroy_bot + 1
move_bot = bot
fill_top = move_bot + 1
fill_bot = fill_top + count - 1
else:
destroy_top = bot + count + 1
destroy_bot = bot
move_top = top
move_bot = destroy_top - 1
fill_bot = move_top - 1
fill_top = fill_bot + count + 1
# destroy items that would be moved outside the scroll region after
# scrolling
# self._tk_clear_region(destroy_top, destroy_bot, left, right)
# self._tk_clear_region(move_top, move_bot, left, right)
self._tk_destroy_region(destroy_top, destroy_bot, left, right)
self._tk_tag_region('move', move_top, move_bot, left, right)
self._canvas.move('move', 0, -count * self._rowsize)
self._canvas.dtag('move', 'move')
# self._tk_fill_region(fill_top, fill_bot, left, right)
def _tk_nvim_highlight_set(self, attrs):
self._attrs = attrs
def _tk_nvim_put(self, data):
# choose a Font instance
font = self._fnormal
if self._attrs.get('bold', False):
font = self._fbold
if self._attrs.get('italic', False):
font = self._fbolditalic if font == self._fbold else self._fitalic
# colors
fg = "#{0:0{1}x}".format(self._attrs.get('foreground', self._fg), 6)
bg = "#{0:0{1}x}".format(self._attrs.get('background', self._bg), 6)
# get the "text" and "rect" which correspond to the current cell
x, y = self._tk_get_coords(self._cursor_row, self._cursor_col)
items = self._canvas.find_overlapping(x, y, x + 1, y + 1)
if len(items) != 2:
# caught part the double-width character in the cell to the left,
# filter items which dont have the same horizontal coordinate as
# "x"
predicate = lambda item: self._canvas.coords(item)[0] == x
items = filter(predicate, items)
# rect has lower id than text, sort to unpack correctly
rect, text = sorted(items)
self._canvas.itemconfig(text, fill=fg, font=font, text=data or ' ')
self._canvas.itemconfig(rect, fill=bg)
self._tk_nvim_cursor_goto(self._cursor_row, self._cursor_col + 1)
def _tk_nvim_bell(self):
self._root.bell()
def _tk_nvim_update_fg(self, fg):
self._fg = "#{0:0{1}x}".format(fg, 6)
def _tk_nvim_update_bg(self, bg):
self._bg = "#{0:0{1}x}".format(bg, 6)
def _tk_redraw_canvas(self, width, height):
if self._canvas:
self._canvas.destroy()
self._fnormal = Font(family='Monospace', size=13)
self._fbold = Font(family='Monospace', weight='bold', size=13)
self._fitalic = Font(family='Monospace', slant='italic', size=13)
self._fbolditalic = Font(family='Monospace',
weight='bold',
slant='italic',
size=13)
self._colsize = self._fnormal.measure('A')
self._rowsize = self._fnormal.metrics('linespace')
self._canvas = Canvas(self._root,
width=self._colsize * width,
height=self._rowsize * height)
self._tk_fill_region(0, height - 1, 0, width - 1)
self._cursor_row = 0
self._cursor_col = 0
self._scroll_top = 0
self._scroll_bot = height - 1
self._scroll_left = 0
self._scroll_right = width - 1
self._width, self._height = (
width,
height,
)
self._canvas.pack()
def _tk_fill_region(self, top, bot, left, right):
# create columns from right to left so the left columns have a
# higher z-index than the right columns. This is required to
# properly display characters that cross cell boundary
for rownum in range(bot, top - 1, -1):
for colnum in range(right, left - 1, -1):
x1 = colnum * self._colsize
y1 = rownum * self._rowsize
x2 = (colnum + 1) * self._colsize
y2 = (rownum + 1) * self._rowsize
# for each cell, create two items: The rectangle is used for
# filling background and the text is for cell contents.
self._canvas.create_rectangle(x1,
y1,
x2,
y2,
fill=self._bg,
width=0)
self._canvas.create_text(x1,
y1,
anchor='nw',
font=self._fnormal,
width=1,
fill=self._fg,
text=' ')
def _tk_clear_region(self, top, bot, left, right):
self._tk_tag_region('clear', top, bot, left, right)
self._canvas.itemconfig('clear', fill=self._bg)
self._canvas.dtag('clear', 'clear')
def _tk_destroy_region(self, top, bot, left, right):
self._tk_tag_region('destroy', top, bot, left, right)
self._canvas.delete('destroy')
self._canvas.dtag('destroy', 'destroy')
def _tk_tag_region(self, tag, top, bot, left, right):
x1, y1 = self._tk_get_coords(top, left)
x2, y2 = self._tk_get_coords(bot, right)
self._canvas.addtag_overlapping(tag, x1, y1, x2 + 1, y2 + 1)
def _tk_get_coords(self, row, col):
x = col * self._colsize
y = row * self._rowsize
return x, y
def _tk_key(self, event):
if 0xffe1 <= event.keysym_num <= 0xffee:
# this is a modifier key, ignore. Source:
# https://www.tcl.tk/man/tcl8.4/TkCmd/keysyms.htm
return
# Translate to Nvim representation of keys
send = []
if event.state & 0x1:
send.append('S')
if event.state & 0x4:
send.append('C')
if event.state & (0x8 | 0x80):
send.append('A')
special = len(send) > 0
key = event.char
if _is_invalid_key(key):
special = True
key = event.keysym
send.append(SPECIAL_KEYS.get(key, key))
send = '-'.join(send)
if special:
send = '<' + send + '>'
nvim = self._nvim
nvim.session.threadsafe_call(lambda: nvim.input(send))
def _nvim_event_loop(self):
self._nvim.session.run(self._nvim_request, self._nvim_notification,
lambda: self._nvim.attach_ui(80, 24))
self._root.event_generate('<<nvim_detach>>', when='tail')
def _nvim_request(self, method, args):
raise Exception('This UI does not implement any methods')
def _nvim_notification(self, method, args):
if method == 'redraw':
self._nvim_updates.append(args)
self._root.event_generate('<<nvim_redraw>>', when='tail')
class Cap(Frame):
def __init__(self):
' set defaults, create widgets, bind callbacks, start live view '
self.root = Tk()
# menu:
self.menu = Menu(self.root)
self.root.config(menu=self.menu)
# bind global keypresses:
self.root.bind('q', lambda e: self.root.quit())
self.root.bind('x', lambda e: self.root.quit())
self.root.bind('<Destroy>', self.do_stop_video)
self.root.bind('<space>', self.do_single_shot)
self.root.bind('<Return>', self.do_single_shot)
self.root.bind('<Button-3>', self.do_single_shot)
self.root.bind('<Left>', lambda e: self.degree.set(-90))
self.root.bind('<Right>', lambda e: self.degree.set(90))
self.root.bind('<Up>', lambda e: self.degree.set(0))
self.root.bind('a', lambda e: self.autocontrast.set(not self.autocontrast.get()))
self.root.bind('e', lambda e: self.equalize.set(not self.equalize.get()))
self.root.bind('g', lambda e: self.grayscale.set(not self.grayscale.get()))
self.root.bind('i', lambda e: self.invert.set(not self.invert.get()))
self.root.bind('s', lambda e: self.solarize.set(not self.solarize.get()))
# config:
self.config = RawConfigParser()
self.config.read('filmroller.conf')
if not self.config.has_section('global'):
self.config.add_section('global')
self.video = None
self.invert = BooleanVar(name='invert')
self.invert.set(self.config_get('invert', True))
self.invert.trace('w', self.do_configure)
self.grayscale = BooleanVar(name='grayscale')
self.grayscale.set(self.config_get('grayscale', False))
self.grayscale.trace('w', self.do_configure)
self.autocontrast = BooleanVar(name='autocontrast')
self.autocontrast.set(self.config_get('autocontrast', True))
self.autocontrast.trace('w', self.do_configure)
self.equalize = BooleanVar(name='equalize')
self.equalize.set(self.config_get('equalize', False))
self.equalize.trace('w', self.do_configure)
self.solarize = BooleanVar(name='solarize')
self.solarize.set(self.config_get('solarize', False))
self.solarize.trace('w', self.do_configure)
self.degree = IntVar(name='degree')
self.degree.set(0)
self.filename = StringVar(name='filename')
self.videodevice = StringVar(name='videodevice')
dev_names = sorted(['/dev/{}'.format(x) for x in listdir('/dev') if x.startswith('video')])
d = self.config_get('videodevice', dev_names[-1])
if not d in dev_names:
d = dev_names[-1]
self.videodevice.set(d)
self.videodevice.trace('w', self.do_configure)
#
self.path = 'filmroller'
if not exists(self.path):
makedirs(self.path)
# create gui:
Frame.__init__(self, self.root)
self.grid()
self.x_canvas = Canvas(self, width=640, height=640, )
self.x_canvas.pack(side='top')
self.x_canvas.bind('<Button-1>', self.do_change_rotation)
Checkbutton(self, text='Invert', variable=self.invert).pack(side='left')
Checkbutton(self, text='Gray', variable=self.grayscale).pack(side='left')
Checkbutton(self, text='Auto', variable=self.autocontrast).pack(side='left')
OptionMenu(self, self.videodevice, *dev_names, command=self.restart_video).pack(side='left')
Button(self, text='First role', command=self.do_first_role).pack(side='left')
Label(self, textvariable=self.filename).pack(side='left')
Button(self, text='Next role', command=self.do_inc_role).pack(side='left')
Button(self, text='Take!', command=self.do_single_shot).pack(side='right')
#filemenu = Menu(self.menu)
#self.menu.add_cascade(label=self.videodevice.get(), menu=filemenu, )
#for n in dev_names:
# filemenu.add_command(label=n, )
#filemenu.add_separator()
# start operation:
self.do_first_role()
self.do_start_video()
def do_change_rotation(self, event):
' determine where the image was clicked and turn that to the top '
if event.x < 200:
self.degree.set(-90)
elif event.x > 640 - 200:
self.degree.set(90)
else:
self.degree.set(0)
def config_get(self, name, default):
' read a configuration entry, fallback to default if not already stored '
if not self.config.has_option('global', name):
return default
if isinstance(default, bool):
return self.config.getboolean('global', name)
else:
return self.config.get('global', name)
def do_configure(self, name, mode, cbname):
' change a configuration entry '
if cbname == 'w':
value = getattr(self, name).get()
self.config.set('global', name, str(value))
self.config.write(open('filmroller.conf', 'w'))
def do_first_role(self, *args):
' jump back to first role '
self.role = 'aa'
self.serial = 0
self.inc_picture()
def inc_picture(self):
' increment the picture number, jump over existing files '
self.filename.set('{}/scanned.{}-{:04}.jpg'.format(self.path, self.role, self.serial, ))
while exists(self.filename.get()):
self.serial += 1
self.filename.set('{}/scanned.{}-{:04}.jpg'.format(self.path, self.role, self.serial, ))
self.root.title('filmroller - ' + self.filename.get())
def do_inc_role(self, *args):
' increment to next role '
self.serial = 0
self.role = ascii_increment(self.role)
self.inc_picture()
def set_pauseimage(self):
' show pause image (during shot) '
self.image = fromfile('filmroller.pause.png')
self.image.thumbnail((self.previewsize['size_x'], self.previewsize['size_y'], ), )
self.photo = PhotoImage(self.image)
self.x_canvas.create_image(640/2, 640/2, image=self.photo)
def do_stop_video(self, *args):
' stop video and release device '
if self.video is not None:
self.video.stop()
self.video.close()
self.video = None
def restart_video(self, *args):
' restart video (if device changes or hangs) '
self.do_stop_video()
self.root.after(1, self.do_start_video)
def do_start_video(self, *args):
' init video and start live view '
if self.video is None:
self.video = Video_device(self.videodevice.get())
_, _, self.fourcc = self.video.get_format()
caps = sorted(self.video.get_framesizes(self.fourcc), cmp=lambda a, b: cmp(a['size_x']*a['size_y'], b['size_x']*b['size_y']))
self.previewsize, self.highressize = caps[0], caps[-1]
self.previewsize['size_x'], self.previewsize['size_y'] = self.video.set_format(
self.previewsize['size_x'], self.previewsize['size_y'], 0, 'MJPEG')
try: self.video.set_auto_white_balance(True)
except: pass
try: self.video.set_exposure_auto(True)
except: pass
try: self.video.set_focus_auto(True)
except: pass
self.video.create_buffers(30)
self.video.queue_all_buffers()
self.video.start()
self.root.after(1, self.do_live_view)
#self.x_canvas.config(width=640, height=480)
#self.x_canvas.pack(side='top')
self.degree.set(0)
def do_live_view(self, *args):
' show single pic live view and ask tk to call us again later '
if self.video is not None:
select((self.video, ), (), ())
data = self.video.read_and_queue()
self.image = frombytes('RGB', (self.previewsize['size_x'], self.previewsize['size_y']), data)
if self.invert.get():
self.image = invert(self.image)
if self.grayscale.get():
self.image = grayscale(self.image)
if self.autocontrast.get():
self.image = autocontrast(self.image)
if self.equalize.get():
self.image = equalize(self.image)
if self.solarize.get():
self.image = solarize(self.image)
if self.degree.get():
self.image = self.image.rotate(self.degree.get())
self.photo = PhotoImage(self.image)
self.x_canvas.create_image(640/2, 640/2, image=self.photo)
self.root.after(3, self.do_live_view)
def do_single_shot(self, *args):
' do a high res single shot and store it '
def _go():
self.video = Video_device(self.videodevice.get())
try:
self.highressize['size_x'], self.highressize['size_y'] = self.video.set_format(
self.highressize['size_x'], self.highressize['size_y'], 0, 'MJPEG')
try: self.video.set_auto_white_balance(True)
except: pass
try: self.video.set_exposure_auto(True)
except: pass
try: self.video.set_focus_auto(True)
except: pass
self.video.create_buffers(7)
self.video.queue_all_buffers()
self.video.start()
stop_time = time() + 3.0
# wait for auto
while stop_time >= time():
select((self.video, ), (), ())
self.update_idletasks()
data = self.video.read_and_queue()
image = frombytes('RGB', (self.highressize['size_x'], self.highressize['size_y'], ), data)
if self.invert.get():
image = invert(image)
if self.grayscale.get():
image = grayscale(image)
if self.autocontrast.get():
image = autocontrast(image)
if self.equalize.get():
self.image = equalize(self.image)
if self.solarize.get():
self.image = solarize(self.image)
if self.degree.get():
image = image.rotate(self.degree.get())
image.save(self.filename.get())
self.inc_picture()
self.root.bell()
self.video.stop()
finally:
self.video.close()
self.video = None
self.root.after(1, self.do_start_video)
self.do_stop_video()
self.set_pauseimage()
self.update_idletasks()
self.root.after(1, _go)
class NvimTk(object):
"""Wraps all nvim/tk event handling."""
def __init__(self, nvim):
"""Initialize with a Nvim instance."""
self._nvim = nvim
self._attrs = {}
self._nvim_updates = deque()
self._canvas = None
self._fg = '#000000'
self._bg = '#ffffff'
def run(self):
"""Start the UI."""
self._tk_setup()
t = Thread(target=self._nvim_event_loop)
t.daemon = True
t.start()
self._root.mainloop()
def _tk_setup(self):
self._root = Tk()
self._root.bind('<<nvim_redraw>>', self._tk_nvim_redraw)
self._root.bind('<<nvim_detach>>', self._tk_nvim_detach)
self._root.bind('<Key>', self._tk_key)
def _tk_nvim_redraw(self, *args):
update = self._nvim_updates.popleft()
for update in update:
handler = getattr(self, '_tk_nvim_' + update[0])
for args in update[1:]:
handler(*args)
def _tk_nvim_detach(self, *args):
self._root.destroy()
def _tk_nvim_resize(self, width, height):
self._tk_redraw_canvas(width, height)
def _tk_nvim_clear(self):
self._tk_clear_region(0, self._height - 1, 0, self._width - 1)
def _tk_nvim_eol_clear(self):
row, col = (self._cursor_row, self._cursor_col,)
self._tk_clear_region(row, row, col, self._scroll_right)
def _tk_nvim_cursor_goto(self, row, col):
self._cursor_row = row
self._cursor_col = col
def _tk_nvim_cursor_on(self):
pass
def _tk_nvim_cursor_off(self):
pass
def _tk_nvim_mouse_on(self):
pass
def _tk_nvim_mouse_off(self):
pass
def _tk_nvim_insert_mode(self):
pass
def _tk_nvim_normal_mode(self):
pass
def _tk_nvim_set_scroll_region(self, top, bot, left, right):
self._scroll_top = top
self._scroll_bot = bot
self._scroll_left = left
self._scroll_right = right
def _tk_nvim_scroll(self, count):
top, bot = (self._scroll_top, self._scroll_bot,)
left, right = (self._scroll_left, self._scroll_right,)
if count > 0:
destroy_top = top
destroy_bot = top + count - 1
move_top = destroy_bot + 1
move_bot = bot
fill_top = move_bot + 1
fill_bot = fill_top + count - 1
else:
destroy_top = bot + count + 1
destroy_bot = bot
move_top = top
move_bot = destroy_top - 1
fill_bot = move_top - 1
fill_top = fill_bot + count + 1
# destroy items that would be moved outside the scroll region after
# scrolling
# self._tk_clear_region(destroy_top, destroy_bot, left, right)
# self._tk_clear_region(move_top, move_bot, left, right)
self._tk_destroy_region(destroy_top, destroy_bot, left, right)
self._tk_tag_region('move', move_top, move_bot, left, right)
self._canvas.move('move', 0, -count * self._rowsize)
self._canvas.dtag('move', 'move')
# self._tk_fill_region(fill_top, fill_bot, left, right)
def _tk_nvim_highlight_set(self, attrs):
self._attrs = attrs
def _tk_nvim_put(self, data):
# choose a Font instance
font = self._fnormal
if self._attrs.get('bold', False):
font = self._fbold
if self._attrs.get('italic', False):
font = self._fbolditalic if font == self._fbold else self._fitalic
# colors
fg = "#{0:0{1}x}".format(self._attrs.get('foreground', self._fg), 6)
bg = "#{0:0{1}x}".format(self._attrs.get('background', self._bg), 6)
# get the "text" and "rect" which correspond to the current cell
x, y = self._tk_get_coords(self._cursor_row, self._cursor_col)
items = self._canvas.find_overlapping(x, y, x + 1, y + 1)
if len(items) != 2:
# caught part the double-width character in the cell to the left,
# filter items which dont have the same horizontal coordinate as
# "x"
predicate = lambda item: self._canvas.coords(item)[0] == x
items = filter(predicate, items)
# rect has lower id than text, sort to unpack correctly
rect, text = sorted(items)
self._canvas.itemconfig(text, fill=fg, font=font, text=data or ' ')
self._canvas.itemconfig(rect, fill=bg)
self._tk_nvim_cursor_goto(self._cursor_row, self._cursor_col + 1)
def _tk_nvim_bell(self):
self._root.bell()
def _tk_nvim_update_fg(self, fg):
self._fg = "#{0:0{1}x}".format(fg, 6)
def _tk_nvim_update_bg(self, bg):
self._bg = "#{0:0{1}x}".format(bg, 6)
def _tk_redraw_canvas(self, width, height):
if self._canvas:
self._canvas.destroy()
self._fnormal = Font(family='Monospace', size=13)
self._fbold = Font(family='Monospace', weight='bold', size=13)
self._fitalic = Font(family='Monospace', slant='italic', size=13)
self._fbolditalic = Font(family='Monospace', weight='bold',
slant='italic', size=13)
self._colsize = self._fnormal.measure('A')
self._rowsize = self._fnormal.metrics('linespace')
self._canvas = Canvas(self._root, width=self._colsize * width,
height=self._rowsize * height)
self._tk_fill_region(0, height - 1, 0, width - 1)
self._cursor_row = 0
self._cursor_col = 0
self._scroll_top = 0
self._scroll_bot = height - 1
self._scroll_left = 0
self._scroll_right = width - 1
self._width, self._height = (width, height,)
self._canvas.pack()
def _tk_fill_region(self, top, bot, left, right):
# create columns from right to left so the left columns have a
# higher z-index than the right columns. This is required to
# properly display characters that cross cell boundary
for rownum in range(bot, top - 1, -1):
for colnum in range(right, left - 1, -1):
x1 = colnum * self._colsize
y1 = rownum * self._rowsize
x2 = (colnum + 1) * self._colsize
y2 = (rownum + 1) * self._rowsize
# for each cell, create two items: The rectangle is used for
# filling background and the text is for cell contents.
self._canvas.create_rectangle(x1, y1, x2, y2,
fill=self._background, width=0)
self._canvas.create_text(x1, y1, anchor='nw',
font=self._fnormal, width=1,
fill=self._foreground, text=' ')
def _tk_clear_region(self, top, bot, left, right):
self._tk_tag_region('clear', top, bot, left, right)
self._canvas.itemconfig('clear', fill=self._bg)
self._canvas.dtag('clear', 'clear')
def _tk_destroy_region(self, top, bot, left, right):
self._tk_tag_region('destroy', top, bot, left, right)
self._canvas.delete('destroy')
self._canvas.dtag('destroy', 'destroy')
def _tk_tag_region(self, tag, top, bot, left, right):
x1, y1 = self._tk_get_coords(top, left)
x2, y2 = self._tk_get_coords(bot, right)
self._canvas.addtag_overlapping(tag, x1, y1, x2 + 1, y2 + 1)
def _tk_get_coords(self, row, col):
x = col * self._colsize
y = row * self._rowsize
return x, y
def _tk_key(self, event):
if 0xffe1 <= event.keysym_num <= 0xffee:
# this is a modifier key, ignore. Source:
# https://www.tcl.tk/man/tcl8.4/TkCmd/keysyms.htm
return
# Translate to Nvim representation of keys
send = []
if event.state & 0x1:
send.append('S')
if event.state & 0x4:
send.append('C')
if event.state & (0x8 | 0x80):
send.append('A')
special = len(send) > 0
key = event.char
if _is_invalid_key(key):
special = True
key = event.keysym
send.append(SPECIAL_KEYS.get(key, key))
send = '-'.join(send)
if special:
send = '<' + send + '>'
nvim = self._nvim
nvim.session.threadsafe_call(lambda: nvim.input(send))
def _nvim_event_loop(self):
self._nvim.session.run(self._nvim_request,
self._nvim_notification,
lambda: self._nvim.attach_ui(80, 24))
self._root.event_generate('<<nvim_detach>>', when='tail')
def _nvim_request(self, method, args):
raise Exception('This UI does not implement any methods')
def _nvim_notification(self, method, args):
if method == 'redraw':
self._nvim_updates.append(args)
self._root.event_generate('<<nvim_redraw>>', when='tail')