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from __future__ import annotations
import tkinter as tk
from typing import Any
from .constants import rc_binding
class TopLeftRectangle(tk.Canvas):
def __init__(self, *args, **kwargs) -> None:
tk.Canvas.__init__(
self,
kwargs["parent"],
background=kwargs["parent"].ops.top_left_bg,
highlightthickness=0,
)
self.PAR = kwargs["parent"]
self.MT = kwargs["main_canvas"]
self.RI = kwargs["row_index_canvas"]
self.CH = kwargs["header_canvas"]
try:
self.config(
width=self.RI.current_width,
height=self.CH.current_height,
)
except Exception:
return
self.extra_motion_func = None
self.extra_b1_press_func = None
self.extra_b1_motion_func = None
self.extra_b1_release_func = None
self.extra_double_b1_func = None
self.extra_rc_func = None
self.MT.TL = self
self.RI.TL = self
self.CH.TL = self
w = self.RI.current_width
h = self.CH.current_height
self.rw_box = self.create_rectangle(
0,
h - 5,
w,
h,
fill=self.PAR.ops.top_left_fg,
outline="",
tag="rw",
state="normal" if self.RI.width_resizing_enabled else "hidden",
)
self.rh_box = self.create_rectangle(
w - 5,
0,
w,
h,
fill=self.PAR.ops.top_left_fg,
outline="",
tag="rh",
state="normal" if self.CH.height_resizing_enabled else "hidden",
)
self.select_all_box = self.create_rectangle(
0,
0,
w - 5,
h - 5,
fill=self.PAR.ops.top_left_bg,
outline="",
tag="sa",
state="normal" if self.MT.select_all_enabled else "hidden",
)
self.select_all_tri = self.create_polygon(
w - 7,
h - 7 - 10,
w - 7,
h - 7,
w - 7 - 10,
h - 7,
fill=self.PAR.ops.top_left_fg,
outline="",
tag="sa",
state="normal" if self.MT.select_all_enabled else "hidden",
)
self.tag_bind("rw", "<Enter>", self.rw_enter)
self.tag_bind("rh", "<Enter>", self.rh_enter)
self.tag_bind("sa", "<Enter>", self.sa_enter)
self.tag_bind("rw", "<Leave>", self.rw_leave)
self.tag_bind("rh", "<Leave>", self.rh_leave)
self.tag_bind("sa", "<Leave>", self.sa_leave)
self.bind("<Motion>", self.mouse_motion)
self.bind("<ButtonPress-1>", self.b1_press)
self.bind("<B1-Motion>", self.b1_motion)
self.bind("<ButtonRelease-1>", self.b1_release)
self.bind("<Double-Button-1>", self.double_b1)
self.bind(rc_binding, self.rc)
def redraw(self) -> None:
self.itemconfig("rw", fill=self.PAR.ops.top_left_fg)
self.itemconfig("rh", fill=self.PAR.ops.top_left_fg)
self.itemconfig(
self.select_all_tri,
fill=self.PAR.ops.top_left_fg,
)
def rw_state(self, state: str = "normal") -> None:
self.itemconfig("rw", state=state)
def rh_state(self, state: str = "normal") -> None:
self.itemconfig("rh", state=state)
def sa_state(self, state: str = "normal") -> None:
self.itemconfig("sa", state=state)
def rw_enter(self, event: Any = None) -> None:
if self.RI.width_resizing_enabled:
self.itemconfig(
"rw",
fill=self.PAR.ops.top_left_fg_highlight,
)
def sa_enter(self, event: Any = None) -> None:
if self.MT.select_all_enabled:
self.itemconfig(
self.select_all_tri,
fill=self.PAR.ops.top_left_fg_highlight,
)
def rh_enter(self, event: Any = None) -> None:
if self.CH.height_resizing_enabled:
self.itemconfig(
"rh",
fill=self.PAR.ops.top_left_fg_highlight,
)
def rw_leave(self, event: Any = None) -> None:
self.itemconfig("rw", fill=self.PAR.ops.top_left_fg)
def rh_leave(self, event: Any = None) -> None:
self.itemconfig("rh", fill=self.PAR.ops.top_left_fg)
def sa_leave(self, event: Any = None) -> None:
self.itemconfig(
self.select_all_tri,
fill=self.PAR.ops.top_left_fg,
)
def basic_bindings(self, enable: bool = True) -> None:
if enable:
self.bind("<Motion>", self.mouse_motion)
self.bind("<ButtonPress-1>", self.b1_press)
self.bind("<B1-Motion>", self.b1_motion)
self.bind("<ButtonRelease-1>", self.b1_release)
self.bind("<Double-Button-1>", self.double_b1)
self.bind(rc_binding, self.rc)
else:
self.unbind("<Motion>")
self.unbind("<ButtonPress-1>")
self.unbind("<B1-Motion>")
self.unbind("<ButtonRelease-1>")
self.unbind("<Double-Button-1>")
self.unbind(rc_binding)
def set_dimensions(
self,
new_w: None | int = None,
new_h: None | int = None,
) -> None:
try:
if isinstance(new_h, int) and isinstance(new_w, int):
h = new_h
w = new_w
self.config(width=w, height=h)
elif isinstance(new_w, int) and new_h is None:
h = self.CH.current_height
w = new_w
self.config(width=w)
elif isinstance(new_h, int) and new_w is None:
h = new_h
w = self.RI.current_width
self.config(height=h)
else:
h = self.CH.current_height
w = self.RI.current_width
except Exception:
return
self.coords(self.rw_box, 0, h - 5, w, h)
self.coords(self.rh_box, w - 5, 0, w, h)
self.coords(
self.select_all_tri,
w - 7,
h - 7 - 10,
w - 7,
h - 7,
w - 7 - 10,
h - 7,
)
self.coords(self.select_all_box, 0, 0, w - 5, h - 5)
def mouse_motion(self, event: Any = None) -> None:
self.MT.reset_mouse_motion_creations()
if self.extra_motion_func is not None:
self.extra_motion_func(event)
def b1_press(self, event: Any = None) -> None:
self.focus_set()
rect = self.find_overlapping(event.x, event.y, event.x, event.y)
if not rect or rect[0] in (
self.select_all_box,
self.select_all_tri,
):
if self.MT.select_all_enabled:
self.MT.deselect("all")
self.MT.select_all()
else:
self.MT.deselect("all")
elif rect[0] == self.rw_box:
if self.RI.width_resizing_enabled:
self.RI.set_width(
self.PAR.ops.default_row_index_width,
set_TL=True,
)
elif rect[0] == self.rh_box and self.CH.height_resizing_enabled:
self.CH.set_height(
self.MT.get_default_header_height(),
set_TL=True,
)
self.MT.main_table_redraw_grid_and_text(
redraw_header=True,
redraw_row_index=True,
)
if self.extra_b1_press_func is not None:
self.extra_b1_press_func(event)
def b1_motion(self, event: Any = None) -> None:
self.focus_set()
if self.extra_b1_motion_func is not None:
self.extra_b1_motion_func(event)
def b1_release(self, event: Any = None) -> None:
self.focus_set()
if self.extra_b1_release_func is not None:
self.extra_b1_release_func(event)
def double_b1(self, event: Any = None) -> None:
self.focus_set()
if self.extra_double_b1_func is not None:
self.extra_double_b1_func(event)
def rc(self, event: Any = None) -> None:
self.focus_set()
if self.extra_rc_func is not None:
self.extra_rc_func(event)
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