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150 lines
3.7 KiB
GDScript
150 lines
3.7 KiB
GDScript
extends RefCounted
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const non_typing_paragraph := "¶"
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const non_typing_space := "●"
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const whitespace_chars := [
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32, # " "
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44, # ","
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58, # ":"
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45, # "-"
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59, # ";"
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40, # "("
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41, # ")"
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46, # "."
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182, # "¶" Linefeed
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10, # "\n" Actual Linefeed
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967, # "●" Whitespace
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]
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static func is_character_whitespace(text : String, idx : int) -> bool:
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if idx <= 0: return true # Stop at the edges.
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if idx >= text.length(): return true
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return text.unicode_at(idx) in whitespace_chars
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static func show_non_typing(text : String) -> String:
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text = text\
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.replace(non_typing_paragraph, "\n")\
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.replace(non_typing_space, " ")
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if text.ends_with("\n"):
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text = text.left(text.length() - 1) + non_typing_paragraph
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elif text.ends_with(" "):
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text = text.left(text.length() - 1) + non_typing_space
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return text
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static func revert_non_typing(text : String) -> String:
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if text.ends_with(non_typing_paragraph):
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text = text.left(text.length() - 1) + "\n"
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elif text.ends_with(non_typing_space):
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text = text.left(text.length() - 1) + " "
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return text
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static func multi_erase_right(values : Array, cursor_positions : Array, ctrl_pressed : bool):
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for i in values.size():
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var start_pos = cursor_positions[i]
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cursor_positions[i] = _step_cursor(values[i], cursor_positions[i], 1, ctrl_pressed)
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cursor_positions[i] = min(
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cursor_positions[i],
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values[i].length()
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)
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values[i] = (
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values[i].left(start_pos)
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+ values[i].substr(cursor_positions[i])
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)
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cursor_positions[i] = start_pos
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return values
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static func multi_erase_left(values : Array, cursor_positions : Array, ctrl_pressed : bool):
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for i in values.size():
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var start_pos = cursor_positions[i]
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cursor_positions[i] = _step_cursor(values[i], cursor_positions[i], -1, ctrl_pressed)
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values[i] = (
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values[i].substr(0, cursor_positions[i])
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+ values[i].substr(start_pos)
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)
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return values
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static func multi_move_left(values : Array, cursor_positions : Array, ctrl_pressed : bool):
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for i in cursor_positions.size():
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cursor_positions[i] = _step_cursor(values[i], cursor_positions[i], -1, ctrl_pressed)
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static func multi_move_right(values : Array, cursor_positions : Array, ctrl_pressed : bool):
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for i in cursor_positions.size():
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cursor_positions[i] = _step_cursor(values[i], cursor_positions[i], 1, ctrl_pressed)
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static func multi_paste(values : Array, cursor_positions : Array):
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var pasted_lines := DisplayServer.clipboard_get().replace("\r", "").split("\n")
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var paste_each_line := pasted_lines.size() == values.size()
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for i in values.size():
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if paste_each_line:
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cursor_positions[i] += pasted_lines[i].length()
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else:
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cursor_positions[i] += DisplayServer.clipboard_get().length()
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values[i] = (
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values[i].left(cursor_positions[i])
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+ (pasted_lines[i] if paste_each_line else DisplayServer.clipboard_get())
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+ values[i].substr(cursor_positions[i])
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)
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return values
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static func multi_copy(values : Array):
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for i in values.size():
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values[i] = values[i]
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DisplayServer.clipboard_set("\n".join(values))
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static func multi_input(input_char : String, values : Array, cursor_positions : Array):
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for i in values.size():
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values[i] = (
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values[i].left(cursor_positions[i])
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+ input_char
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+ values[i].substr(cursor_positions[i])
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)
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cursor_positions[i] = min(cursor_positions[i] + 1, values[i].length())
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return values
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static func _step_cursor(text : String, start : int, step : int = 1, ctrl_pressed : bool = false) -> int:
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var cur := start
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if ctrl_pressed and is_character_whitespace(text, cur + step):
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cur += step
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while true:
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cur += step
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if !ctrl_pressed or is_character_whitespace(text, cur):
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if cur > text.length():
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return text.length()
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if cur <= 0:
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return 0
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if ctrl_pressed and step < 0:
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return cur + 1
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return cur
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return 0
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