110 lines
2.9 KiB
Python
110 lines
2.9 KiB
Python
from __future__ import annotations
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import tkinter as tk
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from typing import Any, List, Optional
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class CtkTooltip:
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def __init__(
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self,
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widget: Any,
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text: str,
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*,
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delay_ms: int = 450,
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wraplength: int = 320,
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) -> None:
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self.widget = widget
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self.text = text
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self.delay_ms = delay_ms
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self.wraplength = wraplength
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self._after_id: Optional[str] = None
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self._tip: Optional[tk.Toplevel] = None
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widget.bind("<Enter>", self._schedule, add="+")
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widget.bind("<Leave>", self._hide, add="+")
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widget.bind("<Button>", self._hide, add="+")
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widget.bind("<Destroy>", self._on_destroy, add="+")
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def _schedule(self, _event: Any = None) -> None:
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if self.widget is None:
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return
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self._cancel_after()
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self._after_id = self.widget.after(self.delay_ms, self._show)
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def _cancel_after(self) -> None:
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if self._after_id is not None:
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try:
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self.widget.after_cancel(self._after_id)
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except Exception:
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pass
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self._after_id = None
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def _show(self) -> None:
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self._after_id = None
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if self._tip is not None:
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return
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try:
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if not self.widget.winfo_exists():
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return
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except Exception:
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return
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tw = tk.Toplevel(self.widget.winfo_toplevel())
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tw.wm_overrideredirect(True)
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try:
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tw.wm_attributes("-topmost", True)
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except Exception:
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pass
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tw.configure(bg="#2b2b2b")
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lbl = tk.Label(
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tw,
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text=self.text,
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justify="left",
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wraplength=self.wraplength,
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background="#2b2b2b",
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foreground="#f0f0f0",
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relief="flat",
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borderwidth=0,
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padx=10,
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pady=8,
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font=("Segoe UI", 10) if _is_windows() else None,
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)
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lbl.pack()
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x = self.widget.winfo_rootx() + 12
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y = self.widget.winfo_rooty() + self.widget.winfo_height() + 4
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tw.wm_geometry(f"+{x}+{y}")
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self._tip = tw
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def _hide(self, _event: Any = None) -> None:
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self._cancel_after()
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if self._tip is not None:
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try:
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self._tip.destroy()
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except Exception:
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pass
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self._tip = None
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def _on_destroy(self, _event: Any = None) -> None:
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self._hide()
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self.widget = None
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def _is_windows() -> bool:
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import sys
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return sys.platform == "win32"
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def attach_ctk_tooltip(
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widget: Any,
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text: str,
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*,
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delay_ms: int = 450,
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wraplength: int = 320,
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) -> None:
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CtkTooltip(widget, text, delay_ms=delay_ms, wraplength=wraplength)
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def attach_tooltip_to_widgets(widgets: List[Any], text: str, **kwargs: Any) -> None:
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for w in widgets:
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attach_ctk_tooltip(w, text, **kwargs)
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