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Simplify the asking_questions examples
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@gottadiveintopython
gottadiveintopython committed Nov 3, 2024
1 parent 7b0ceb2 commit 2d5284b
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Showing 2 changed files with 34 additions and 88 deletions.
116 changes: 31 additions & 85 deletions examples/asking_questions.py
View file
Original file line number Diff line number Diff line change
@@ -1,144 +1,94 @@
import typing as T
import enum
from dataclasses import dataclass

from kivy.clock import Clock
from kivy.properties import ObjectProperty
from kivy.app import App
from kivy.lang import Builder
from kivy.factory import Factory as F
from kivy.uix.modalview import ModalView
import asynckivy as ak

KV_CODE = '''
<MessageBox>:
size_hint: root.theme.size_hint
auto_dismiss: root.theme.auto_dismiss
<MessageBox@ModalView>:
size_hint: 0.8, 0.4
BoxLayout:
padding: '10dp'
spacing: '10dp'
orientation: 'vertical'
Label:
id: label
font_size: root.theme.font_size
font_name: root.theme.font_name
Button:
id: ok_button
font_size: root.theme.font_size
font_name: root.theme.font_name
text: root.theme.text_ok
text: 'OK'
<YesNoDialog>:
size_hint: root.theme.size_hint
auto_dismiss: root.theme.auto_dismiss
<YesNoDialog@ModalView>:
size_hint: 0.8, 0.4
BoxLayout:
padding: '10dp'
spacing: '10dp'
orientation: 'vertical'
Label:
id: label
font_size: root.theme.font_size
font_name: root.theme.font_name
BoxLayout:
spacing: '10dp'
Button:
id: no_button
font_size: root.theme.font_size
font_name: root.theme.font_name
text: root.theme.text_no
text: 'No'
Button:
id: yes_button
font_size: root.theme.font_size
font_name: root.theme.font_name
text: root.theme.text_yes
text: 'Yes'
<InputDialog>:
size_hint: root.theme.size_hint
auto_dismiss: root.theme.auto_dismiss
<InputDialog@ModalView>:
size_hint: 0.8, 0.4
BoxLayout:
padding: '10dp'
spacing: '10dp'
orientation: 'vertical'
Label:
id: label
font_size: root.theme.font_size
font_name: root.theme.font_name
TextInput:
id: textinput
multiline: False
font_size: root.theme.font_size
BoxLayout:
spacing: '10dp'
Button:
id: cancel_button
font_size: root.theme.font_size
font_name: root.theme.font_name
text: root.theme.text_cancel
text: 'Cancel'
Button:
id: ok_button
font_size: root.theme.font_size
font_name: root.theme.font_name
text: root.theme.text_ok
text: 'OK'
Widget:
'''


@dataclass
class DialogTheme:
size_hint: tuple = (0.8, 0.4, )
auto_dismiss: bool = ModalView.auto_dismiss.defaultvalue
font_size: int = F.Label.font_size.defaultvalue
font_name: int = F.Label.font_name.defaultvalue
text_yes: str = 'Yes'
text_no: str = 'No'
text_ok: str = 'OK'
text_cancel: str = 'Cancel'


default_theme = DialogTheme()


class CauseOfDismissal(enum.Enum):
AUTO_DISMISS = enum.auto()
AUTO = enum.auto() # ModalView.auto_dismiss
YES = enum.auto()
NO = enum.auto()
OK = enum.auto()
CANCEL = enum.auto()
UNKNOWN = enum.auto() # potentially a bug


C = CauseOfDismissal


class MessageBox(ModalView):
theme = ObjectProperty(default_theme, rebind=True)


class YesNoDialog(ModalView):
theme = ObjectProperty(default_theme, rebind=True)


class InputDialog(ModalView):
theme = ObjectProperty(default_theme, rebind=True)


async def show_message_box(msg, *, theme=default_theme, _cache=[]) -> T.Awaitable[C]:
dialog = _cache.pop() if _cache else MessageBox()
async def show_message_box(msg, *, _cache=[]) -> T.Awaitable[C]:
dialog = _cache.pop() if _cache else F.MessageBox()
label = dialog.ids.label
ok_button = dialog.ids.ok_button

dialog.theme = theme
label.text = msg
try:
dialog.open()
tasks = await ak.wait_any(
ak.event(dialog, 'on_pre_dismiss'),
ak.event(ok_button, 'on_press'),
)
for task, cause in zip(tasks, (C.AUTO_DISMISS, C.OK, )):
for task, cause in zip(tasks, (C.AUTO, C.OK, )):
if task.finished:
break
return cause
return cause
return C.UNKNOWN
finally:
dialog.dismiss()
Clock.schedule_once(
Expand All @@ -147,13 +97,12 @@ async def show_message_box(msg, *, theme=default_theme, _cache=[]) -> T.Awaitabl
)


async def ask_yes_no_question(question, *, theme=default_theme, _cache=[]) -> T.Awaitable[C]:
dialog = _cache.pop() if _cache else YesNoDialog()
async def ask_yes_no_question(question, *, _cache=[]) -> T.Awaitable[C]:
dialog = _cache.pop() if _cache else F.YesNoDialog()
label = dialog.ids.label
no_button = dialog.ids.no_button
yes_button = dialog.ids.yes_button

dialog.theme = theme
label.text = question
try:
dialog.open()
Expand All @@ -162,10 +111,10 @@ async def ask_yes_no_question(question, *, theme=default_theme, _cache=[]) -> T.
ak.event(no_button, 'on_press'),
ak.event(yes_button, 'on_press'),
)
for task, cause in zip(tasks, (C.AUTO_DISMISS, C.NO, C.YES, )):
for task, cause in zip(tasks, (C.AUTO, C.NO, C.YES, )):
if task.finished:
break
return cause
return cause
return C.UNKNOWN
finally:
dialog.dismiss()
Clock.schedule_once(
Expand All @@ -174,14 +123,13 @@ async def ask_yes_no_question(question, *, theme=default_theme, _cache=[]) -> T.
)


async def ask_input(msg, *, input_filter, input_type, theme=default_theme, _cache=[]) -> T.Awaitable[T.Tuple[C, str]]:
dialog = _cache.pop() if _cache else InputDialog()
async def ask_input(msg, *, input_filter, input_type, _cache=[]) -> T.Awaitable[T.Tuple[C, str]]:
dialog = _cache.pop() if _cache else F.InputDialog()
label = dialog.ids.label
textinput = dialog.ids.textinput
cancel_button = dialog.ids.cancel_button
ok_button = dialog.ids.ok_button

dialog.theme = theme
label.text = msg
textinput.input_filter = input_filter
textinput.input_type = input_type
Expand All @@ -194,10 +142,10 @@ async def ask_input(msg, *, input_filter, input_type, theme=default_theme, _cach
ak.event(ok_button, 'on_press'),
ak.event(textinput, 'on_text_validate'),
)
for task, cause in zip(tasks, (C.AUTO_DISMISS, C.CANCEL, C.OK, C.OK, )):
for task, cause in zip(tasks, (C.AUTO, C.CANCEL, C.OK, C.OK, )):
if task.finished:
break
return cause, textinput.text
return cause, textinput.text
return C.UNKNOWN, textinput.text
finally:
dialog.dismiss()
Clock.schedule_once(
Expand All @@ -219,15 +167,13 @@ def on_stop(self):
async def main(self):
await ak.n_frames(2)

theme = DialogTheme(font_size='20sp')

msg = "Do you like Kivy?"
cause = await ask_yes_no_question(msg, theme=theme)
cause = await ask_yes_no_question(msg)
print(f"{msg!r} --> {cause.name}")

msg = "How long have you been using Kivy (in years) ?"
while True:
cause, years = await ask_input(msg, input_filter='int', input_type='number', theme=theme)
cause, years = await ask_input(msg, input_filter='int', input_type='number')
if cause is C.OK:
if years:
print(f"{msg!r} --> {years} years")
Expand All @@ -240,7 +186,7 @@ async def main(self):
break

msg = "The armor I used to seal my all too powerful strength is now broken."
cause = await show_message_box(msg, theme=theme)
cause = await show_message_box(msg)
print(f"{msg!r} --> {cause.name}")


Expand Down
6 changes: 3 additions & 3 deletions examples/asking_questions_simplified.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -41,10 +41,10 @@ async def ask_yes_no_question(question, *, _cache=[]) -> T.Awaitable[str]:
ak.event(no_button, 'on_press'),
ak.event(yes_button, 'on_press'),
)
for task, r in zip(tasks, ('AUTO_DISMISS', 'NO', 'YES', )):
for task, r in zip(tasks, ("AUTO", "NO", "YES", )):
if task.finished:
break
return r
return r
return "UNKNOWN"
finally:
dialog.dismiss()
Clock.schedule_once(
Expand Down

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