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feat: add line numbers to Production ID input widget

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- Integrate tklinenums library for line number display
- Line numbers appear on the left side in black color
- Line numbers are always visible (even with placeholder)
- Line numbers sync with text scrolling
- Add tklinenums>=1.7.0 to requirements.txt

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Misaka
2026-02-11 22:10:38 +08:00
parent ee0b4187d7
commit 28d7db26db
2 changed files with 58 additions and 17 deletions
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74
gui/widgets/production_id_input.py
View File

@@ -4,61 +4,80 @@
Production ID 输入控件
多行文本输入框，用于输入 Production ID 列表。
支持内容溢出时自动显示滚动条。
支持内容溢出时自动显示滚动条，左侧显示行号。
"""
import tkinter as tk
from tkinter import ttk, font
from tklinenums import TkLineNumbers
class ProductionIdInput(ttk.Frame):
"""Production ID 输入控件"""
"""Production ID 输入控件，带行号和自动滚动条"""
def __init__(self, parent, placeholder="每行输入一个 Production ID", **kwargs):
super().__init__(parent, **kwargs)
self.placeholder = placeholder
self._scrollbar_visible = False
self._check_pending = False
self._updating_placeholder = False
# 创建文本框
self.text_widget = tk.Text(self, wrap=tk.WORD, padx=5, pady=5)
# 创建行号区域的容器
self.linenums_frame = ttk.Frame(self)
# 创建行号控件（使用黑色）
self.line_numbers = TkLineNumbers(
self.linenums_frame,
self.text_widget,
justify="center",
colors=("black", "#f0f0f0"),
bg="#f0f0f0",
width=3
)
self.line_numbers.pack(fill="both", expand=True)
# 创建滚动条
self.scrollbar = ttk.Scrollbar(self, orient=tk.VERTICAL, command=self.text_widget.yview)
self.text_widget.configure(yscrollcommand=self._on_scroll)
# 布局 - 使用 grid 以便动态显示/隐藏滚动条
self.text_widget.grid(row=0, column=0, sticky="nsew")
self.scrollbar.grid(row=0, column=1, sticky="ns")
# 布局：行号 | 文本框 | 滚动条
self.linenums_frame.grid(row=0, column=0, sticky="ns")
self.text_widget.grid(row=0, column=1, sticky="nsew")
self.scrollbar.grid(row=0, column=2, sticky="ns")
# 配置行列权重
self.grid_rowconfigure(0, weight=1)
self.grid_columnconfigure(0, weight=1)
self.grid_columnconfigure(1, weight=1)
# 绑定事件
self.text_widget.bind("<FocusIn>", self._on_focus_in)
self.text_widget.bind("<FocusOut>", self._on_focus_out)
# 监听内容变化事件
self.text_widget.bind("<KeyRelease>", self._schedule_check)
self.text_widget.bind("<KeyRelease>", self._on_content_change)
self.text_widget.bind("<ButtonRelease-1>", self._schedule_check)
self.text_widget.bind("<ButtonRelease-3>", self._schedule_check)
self.text_widget.bind("<Configure>", self._schedule_check)
# 绑定粘贴事件
self.text_widget.bind("<<Paste>>", self._schedule_check)
# 初始隐藏滚动条
# 初始隐藏滚动条（行号始终显示）
self.scrollbar.grid_remove()
# 显示占位符
self._show_placeholder()
# 延迟检查初始状态
self.after(100, self._check_scrollbar_needed)
self.after(100, self._check_ui_state)
def _on_focus_in(self, event):
"""获得焦点时隐藏占位符"""
if self.text_widget.get("1.0", "end-1c") == self.placeholder:
if not self._updating_placeholder and self.text_widget.get("1.0", "end-1c") == self.placeholder:
self.text_widget.delete("1.0", tk.END)
# 确保文字颜色为黑色
self.text_widget.configure(foreground="black")
def _on_focus_out(self, event):
"""失去焦点时显示占位符"""
@@ -68,15 +87,27 @@ class ProductionIdInput(ttk.Frame):
def _show_placeholder(self):
"""显示占位符"""
self._updating_placeholder = True
self.text_widget.delete("1.0", tk.END)
self.text_widget.insert("1.0", self.placeholder)
self.text_widget.configure(foreground="gray")
self._updating_placeholder = False
self._schedule_check()
def _hide_placeholder(self):
"""隐藏占位符"""
self._updating_placeholder = True
if self.text_widget.get("1.0", "end-1c") == self.placeholder:
self.text_widget.delete("1.0", tk.END)
self.text_widget.configure(foreground="black")
self._updating_placeholder = False
def _on_content_change(self, event=None):
"""内容变化时的处理"""
# 如果不是占位符状态，重绘行号
if self.text_widget.get("1.0", "end-1c") != self.placeholder:
self.line_numbers.redraw()
self._schedule_check()
def get(self) -> list[str]:
"""获取 Production ID 列表"""
@@ -86,18 +117,23 @@ class ProductionIdInput(ttk.Frame):
def set(self, production_ids: list[str]):
"""设置 Production ID 列表"""
self._updating_placeholder = True
self.text_widget.delete("1.0", tk.END)
if production_ids:
self.text_widget.insert("1.0", "\n".join(production_ids))
self.text_widget.configure(foreground="black")
self.after_idle(self.line_numbers.redraw)
else:
self._show_placeholder()
self._updating_placeholder = False
self._schedule_check()
def clear(self):
"""清空内容"""
self._updating_placeholder = True
self.text_widget.delete("1.0", tk.END)
self._show_placeholder()
self._updating_placeholder = False
self._schedule_check()
def append(self, production_ids: list[str]):
@@ -109,33 +145,37 @@ class ProductionIdInput(ttk.Frame):
self.text_widget.insert(tk.END, "\n" + "\n".join(production_ids))
else:
self.text_widget.insert("1.0", "\n".join(production_ids))
self.after_idle(self.line_numbers.redraw)
self._schedule_check()
def apply_font(self, font_family: str, font_size: int):
"""应用字体设置"""
font_spec = font.Font(family=font_family, size=font_size)
self.text_widget.configure(font=font_spec)
# 重绘行号以应用字体变化
self.after_idle(self.line_numbers.redraw)
def _on_scroll(self, first, last):
"""滚动回调，更新滚动条位置"""
"""滚动回调，更新滚动条位置和行号"""
self.scrollbar.set(first, last)
# 滚动时重绘行号以同步显示
self.line_numbers.redraw()
def _schedule_check(self, event=None):
"""调度滚动条检查（防抖）"""
"""调度 UI 状态检查（防抖）"""
if not self._check_pending:
self._check_pending = True
self.after(50, self._check_scrollbar_needed)
self.after(50, self._check_ui_state)
def _check_scrollbar_needed(self):
"""检查是否需要显示滚动条"""
def _check_ui_state(self):
"""检查 UI 状态（滚动条）"""
self._check_pending = False
# 更新界面以确保获取准确的尺寸
self.text_widget.update_idletasks()
# 使用 yview() 返回值判断
# 检查是否需要显示滚动条
first, last = self.text_widget.yview()
# last < 1.0 表示内容超出了可见区域（需要滚动条）
needs_scrollbar = last < 1.0
if needs_scrollbar != self._scrollbar_visible:

1
requirements.txt
View File

@@ -19,3 +19,4 @@ numpy>=1.24.0
python-dateutil>=2.8.0
pytz>=2023.0
python-dotenv>=1.0.0
tklinenums>=1.7.0