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from __future__ import annotations
import tkinter as tk
from collections.abc import Callable
from typing import Any, Literal
from .constants import align_helper, ctrl_key, rc_binding
from .functions import convert_align
from .other_classes import DotDict
class TextEditorTkText(tk.Text):
def __init__(
self,
parent: tk.Misc,
newline_binding: None | Callable = None,
) -> None:
super().__init__(
parent,
spacing1=0,
spacing2=1,
spacing3=0,
bd=0,
highlightthickness=0,
undo=True,
maxundo=30,
)
self.parent = parent
self.newline_bindng = newline_binding
self.rc_popup_menu = tk.Menu(self, tearoff=0)
self.bind("<1>", lambda event: self.focus_set())
self.bind(rc_binding, self.rc)
self.bind(f"<{ctrl_key}-a>", self.select_all)
self.bind(f"<{ctrl_key}-A>", self.select_all)
self.bind("<Delete>", self.delete_key)
self._orig = self._w + "_orig"
self.tk.call("rename", self._w, self._orig)
self.tk.createcommand(self._w, self._proxy)
def reset(
self,
menu_kwargs: dict,
sheet_ops: dict,
align: str,
font: tuple,
bg: str,
fg: str,
select_bg: str,
select_fg: str,
state: str,
text: str = "",
) -> None:
self.config(
font=font,
background=bg,
foreground=fg,
insertbackground=fg,
state=state,
selectbackground=select_bg,
selectforeground=select_fg,
)
self.editor_del_key = sheet_ops.editor_del_key
self.align = align
self.rc_popup_menu.delete(0, "end")
self.rc_popup_menu.add_command(
label=sheet_ops.select_all_label,
accelerator=sheet_ops.select_all_accelerator,
command=self.select_all,
**menu_kwargs,
)
self.rc_popup_menu.add_command(
label=sheet_ops.cut_label,
accelerator=sheet_ops.cut_accelerator,
command=self.cut,
**menu_kwargs,
)
self.rc_popup_menu.add_command(
label=sheet_ops.copy_label,
accelerator=sheet_ops.copy_accelerator,
command=self.copy,
**menu_kwargs,
)
self.rc_popup_menu.add_command(
label=sheet_ops.paste_label,
accelerator=sheet_ops.paste_accelerator,
command=self.paste,
**menu_kwargs,
)
self.rc_popup_menu.add_command(
label=sheet_ops.undo_label,
accelerator=sheet_ops.undo_accelerator,
command=self.undo,
**menu_kwargs,
)
self.align = align_helper[convert_align(align)]
self.delete(1.0, "end")
self.insert(1.0, text)
self.yview_moveto(1)
self.tag_configure("align", justify=self.align)
self.tag_add("align", 1.0, "end")
def _proxy(self, command: Any, *args) -> Any:
try:
result = self.tk.call((self._orig, command) + args)
except Exception:
return
if command in (
"insert",
"delete",
"replace",
):
self.tag_add("align", 1.0, "end")
self.event_generate("<<TextModified>>")
if (
args
and len(args) > 1
and args[1] != "\n"
and args != ("1.0", "end")
and self.yview() != (0.0, 1.0)
and self.newline_bindng is not None
):
self.newline_bindng(check_lines=False)
return result
def rc(self, event: Any) -> None:
self.focus_set()
self.rc_popup_menu.tk_popup(event.x_root, event.y_root)
def delete_key(self, event: Any = None) -> None:
if self.editor_del_key == "forward":
return
elif not self.editor_del_key:
return "break"
elif self.editor_del_key == "backward":
if self.tag_ranges("sel"):
return
if self.index("insert") == "1.0":
return "break"
self.delete("insert-1c")
return "break"
def select_all(self, event: Any = None) -> Literal["break"]:
self.tag_add(tk.SEL, "1.0", tk.END)
self.mark_set(tk.INSERT, tk.END)
# self.see(tk.INSERT)
return "break"
def cut(self, event: Any = None) -> Literal["break"]:
self.event_generate(f"<{ctrl_key}-x>")
self.event_generate("<KeyRelease>")
return "break"
def copy(self, event: Any = None) -> Literal["break"]:
self.event_generate(f"<{ctrl_key}-c>")
return "break"
def paste(self, event: Any = None) -> Literal["break"]:
self.event_generate(f"<{ctrl_key}-v>")
self.event_generate("<KeyRelease>")
return "break"
def undo(self, event: Any = None) -> Literal["break"]:
self.event_generate(f"<{ctrl_key}-z>")
self.event_generate("<KeyRelease>")
return "break"
class TextEditor(tk.Frame):
def __init__(
self,
parent: tk.Misc,
newline_binding: None | Callable = None,
) -> None:
super().__init__(
parent,
width=0,
height=0,
bd=0,
)
self.grid_columnconfigure(0, weight=1)
self.grid_rowconfigure(0, weight=1)
self.grid_propagate(False)
self.parent = parent
self.r = 0
self.c = 0
self.tktext = TextEditorTkText(self, newline_binding=newline_binding)
self.tktext.grid(row=0, column=0, sticky="nswe")
def get(self) -> str:
return self.tktext.get("1.0", "end-1c")
def get_num_lines(self) -> int:
return int(self.tktext.index("end-1c").split(".")[0])
def set_text(self, text: str = "") -> None:
self.tktext.delete(1.0, "end")
self.tktext.insert(1.0, text)
def scroll_to_bottom(self) -> None:
self.tktext.yview_moveto(1)
def reset(
self,
width: int,
height: int,
border_color: str,
show_border: bool,
menu_kwargs: DotDict,
sheet_ops: DotDict,
bg: str,
fg: str,
select_bg: str,
select_fg: str,
align: str,
state: str,
r: int = 0,
c: int = 0,
text: str = "",
) -> None:
self.r = r
self.c = c
self.tktext.reset(
menu_kwargs=menu_kwargs,
sheet_ops=sheet_ops,
align=align,
font=menu_kwargs.font,
bg=bg,
fg=fg,
select_bg=select_bg,
select_fg=select_fg,
state=state,
text=text,
)
self.config(
width=width,
height=height,
background=bg,
highlightbackground=border_color,
highlightcolor=border_color,
highlightthickness=2 if show_border else 0,
)
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