Reference client for Bitmessage: a P2P encrypted decentralised communication protocol:
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

215 lines
9.5 KiB

# -*- coding: utf-8 -*-
from kivy.lang import Builder
from kivy.uix.textinput import TextInput
from kivy.properties import ObjectProperty, NumericProperty, StringProperty, \
ListProperty, BooleanProperty
from kivy.metrics import sp, dp
from kivy.animation import Animation
from kivymd.label import MDLabel
from kivymd.theming import ThemableBehavior
from kivy.clock import Clock
Builder.load_string('''
<SingleLineTextField>:
canvas.before:
Clear
Color:
rgba: self.line_color_normal
Line:
id: "the_line"
points: self.x, self.y + dp(8), self.x + self.width, self.y + dp(8)
width: 1
dash_length: dp(3)
dash_offset: 2 if self.disabled else 0
Color:
rgba: self._current_line_color
Rectangle:
size: self._line_width, dp(2)
pos: self.center_x - (self._line_width / 2), self.y + dp(8)
Color:
rgba: self._current_error_color
Rectangle:
texture: self._msg_lbl.texture
size: self._msg_lbl.texture_size
pos: self.x, self.y - dp(8)
Color:
rgba: (self._current_line_color if self.focus and not self.cursor_blink \
else (0, 0, 0, 0))
Rectangle:
pos: [int(x) for x in self.cursor_pos]
size: 1, -self.line_height
Color:
#rgba: self._hint_txt_color if not self.text and not self.focus\
#else (self.line_color_focus if not self.text or self.focus\
#else self.line_color_normal)
rgba: self._current_hint_text_color
Rectangle:
texture: self._hint_lbl.texture
size: self._hint_lbl.texture_size
pos: self.x, self.y + self._hint_y
Color:
rgba: self.disabled_foreground_color if self.disabled else \
(self.hint_text_color if not self.text and not self.focus else \
self.foreground_color)
font_name: 'Roboto'
foreground_color: app.theme_cls.text_color
font_size: sp(16)
bold: False
padding: 0, dp(16), 0, dp(10)
multiline: False
size_hint_y: None
height: dp(48)
''')
class SingleLineTextField(ThemableBehavior, TextInput):
line_color_normal = ListProperty()
line_color_focus = ListProperty()
error_color = ListProperty()
error = BooleanProperty(False)
message = StringProperty("")
message_mode = StringProperty("none")
mode = message_mode
_hint_txt_color = ListProperty()
_hint_lbl = ObjectProperty()
_hint_lbl_font_size = NumericProperty(sp(16))
_hint_y = NumericProperty(dp(10))
_error_label = ObjectProperty()
_line_width = NumericProperty(0)
_hint_txt = StringProperty('')
_current_line_color = line_color_focus
_current_error_color = ListProperty([0.0, 0.0, 0.0, 0.0])
_current_hint_text_color = _hint_txt_color
def __init__(self, **kwargs):
Clock.schedule_interval(self._update_color, 5)
self._msg_lbl = MDLabel(font_style='Caption',
theme_text_color='Error',
halign='left',
valign='middle',
text=self.message)
self._hint_lbl = MDLabel(font_style='Subhead',
halign='left',
valign='middle')
super(SingleLineTextField, self).__init__(**kwargs)
self.line_color_normal = self.theme_cls.divider_color
self.line_color_focus = list(self.theme_cls.primary_color)
self.base_line_color_focus = list(self.theme_cls.primary_color)
self.error_color = self.theme_cls.error_color
self._hint_txt_color = self.theme_cls.disabled_hint_text_color
self.hint_text_color = (1, 1, 1, 0)
self.cursor_color = self.theme_cls.primary_color
self.bind(message=self._set_msg,
hint_text=self._set_hint,
_hint_lbl_font_size=self._hint_lbl.setter('font_size'),
message_mode=self._set_mode)
self.hint_anim_in = Animation(_hint_y=dp(34),
_hint_lbl_font_size=sp(12), duration=.2,
t='out_quad')
self.hint_anim_out = Animation(_hint_y=dp(10),
_hint_lbl_font_size=sp(16), duration=.2,
t='out_quad')
def _update_color(self, *args):
self.line_color_normal = self.theme_cls.divider_color
self.base_line_color_focus = list(self.theme_cls.primary_color)
if not self.focus and not self.error:
self.line_color_focus = self.theme_cls.primary_color
Animation(duration=.2, _current_hint_text_color=self.theme_cls.disabled_hint_text_color).start(self)
if self.mode == "persistent":
Animation(duration=.1, _current_error_color=self.theme_cls.disabled_hint_text_color).start(self)
if self.focus and not self.error:
self.cursor_color = self.theme_cls.primary_color
def on_hint_text_color(self, instance, color):
self._hint_txt_color = self.theme_cls.disabled_hint_text_color
self.hint_text_color = (1, 1, 1, 0)
def on_width(self, instance, width):
if self.focus and instance is not None or self.error and instance is not None:
self._line_width = width
self.anim = Animation(_line_width=width, duration=.2, t='out_quad')
self._msg_lbl.width = self.width
self._hint_lbl.width = self.width
def on_pos(self, *args):
self.hint_anim_in = Animation(_hint_y=dp(34),
_hint_lbl_font_size=sp(12), duration=.2,
t='out_quad')
self.hint_anim_out = Animation(_hint_y=dp(10),
_hint_lbl_font_size=sp(16), duration=.2,
t='out_quad')
def on_focus(self, *args):
if self.focus:
Animation.cancel_all(self, '_line_width', '_hint_y',
'_hint_lbl_font_size')
if len(self.text) == 0:
self.hint_anim_in.start(self)
if self.error:
Animation(duration=.2, _current_hint_text_color=self.error_color).start(self)
if self.mode == "on_error":
Animation(duration=.2, _current_error_color=self.error_color).start(self)
elif self.mode == "persistent":
Animation(duration=.2, _current_error_color=self.theme_cls.disabled_hint_text_color).start(self)
elif self.mode == "on_focus":
Animation(duration=.2, _current_error_color=self.theme_cls.disabled_hint_text_color).start(self)
else:
pass
elif not self.error:
self.on_width(None, self.width)
self.anim.start(self)
Animation(duration=.2, _current_hint_text_color=self.line_color_focus).start(self)
if self.mode == "on_error":
Animation(duration=.2, _current_error_color=(0, 0, 0, 0)).start(self)
if self.mode == "persistent":
Animation(duration=.2, _current_error_color=self.theme_cls.disabled_hint_text_color).start(self)
elif self.mode == "on_focus":
Animation(duration=.2, _current_error_color=self.theme_cls.disabled_hint_text_color).start(self)
else:
pass
else:
Animation.cancel_all(self, '_line_width', '_hint_y',
'_hint_lbl_font_size')
if len(self.text) == 0:
self.hint_anim_out.start(self)
if not self.error:
self.line_color_focus = self.base_line_color_focus
Animation(duration=.2, _current_line_color=self.line_color_focus,
_current_hint_text_color=self.theme_cls.disabled_hint_text_color).start(self)
if self.mode == "on_error":
Animation(duration=.2, _current_error_color=(0, 0, 0, 0)).start(self)
elif self.mode == "persistent":
Animation(duration=.2, _current_error_color=self.theme_cls.disabled_hint_text_color).start(self)
elif self.mode == "on_focus":
Animation(duration=.2, _current_error_color=(0, 0, 0, 0)).start(self)
self.on_width(None, 0)
self.anim.start(self)
elif self.error:
Animation(duration=.2, _current_line_color=self.error_color,
_current_hint_text_color=self.error_color).start(self)
if self.mode == "on_error":
Animation(duration=.2, _current_error_color=self.error_color).start(self)
elif self.mode == "persistent":
Animation(duration=.2, _current_error_color=self.theme_cls.disabled_hint_text_color).start(self)
elif self.mode == "on_focus":
Animation(duration=.2, _current_error_color=(0, 0, 0, 0)).start(self)
def _set_hint(self, instance, text):
self._hint_lbl.text = text
def _set_msg(self, instance, text):
self._msg_lbl.text = text
self.message = text
def _set_mode(self, instance, text):
self.mode = text
if self.mode == "persistent":
Animation(duration=.1, _current_error_color=self.theme_cls.disabled_hint_text_color).start(self)