| # SPDX-License-Identifier: MPL-2.0 |
| # Copyright (c) 2022 Philipp Le <philipp@philipple.de>. |
| # This Source Code Form is subject to the terms of the Mozilla Public |
| # License, v. 2.0. If a copy of the MPL was not distributed with this |
| # file, You can obtain one at https://mozilla.org/MPL/2.0/. |
| |
| |
| from typing import Type |
| from tkinter import ttk, StringVar |
| from pydantic import ConstrainedInt, ConstrainedFloat |
| |
| from .base import make_config_widget_base |
| |
| |
| class NumWidget(make_config_widget_base(ttk.Spinbox)): |
| MODEL_TYPE = int | float |
| |
| def sync_out(self) -> None: |
| try: |
| setattr(self.model, self.model_key, self.type_(self._stringvar.get())) |
| self.notify_change() |
| except ValueError: |
| # Tolerate temporarily invalid values |
| pass |
| |
| def sync_in(self) -> None: |
| val = getattr(self.model, self.model_key) |
| self._stringvar.set(str(val)) |
| |
| def _config_widget(self) -> None: |
| self._stringvar = StringVar(self.parent) |
| self.sync_in() |
| self.configure(textvariable=self._stringvar, command=lambda: self.sync_out()) |
| self.bind('<KeyRelease>', lambda e: self.sync_out()) |
| if issubclass(self.type_, ConstrainedInt): |
| tp: Type[ConstrainedInt] = self.type_ |
| self.configure(increment=1) |
| if tp.gt is not None: |
| self.configure(from_=tp.gt + 1) |
| if tp.ge is not None: |
| self.configure(from_=tp.ge) |
| if tp.lt is not None: |
| self.configure(to=tp.lt - 1) |
| if tp.le is not None: |
| self.configure(to=tp.le) |
| elif issubclass(self.type_, ConstrainedFloat): |
| tp: Type[ConstrainedFloat] = self.type_ |
| self.configure(increment=tp.multiple_of) |
| if tp.gt is not None: |
| self.configure(from_=tp.gt) |
| if tp.ge is not None: |
| self.configure(from_=tp.ge) |
| if tp.lt is not None: |
| self.configure(to=tp.lt) |
| if tp.le is not None: |
| self.configure(to=tp.le) |
| elif issubclass(self.type_, float): |
| raise TypeError(f'Please use ConstrainedFloat for {self.model_key}') |
| elif issubclass(self.type_, int): |
| raise TypeError(f'Please use ConstrainedInt for {self.model_key}') |
| else: |
| print(f'Unknown type f{repr(self.type_)}') |