104 lines
3.6 KiB
Python
104 lines
3.6 KiB
Python
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# Copyright (C) 2024 Bellande Application Interoperability Xenogen Research Innovation Center, Ronaldson Bellande
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from PyQt6.QtWidgets import QPlainTextEdit
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from PyQt6.QtGui import QTextCharFormat, QSyntaxHighlighter, QColor, QFont
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class BellosSyntaxHighlighter(QSyntaxHighlighter):
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def __init__(self, parent=None):
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super().__init__(parent)
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self.highlighting_rules = []
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# Define formats for different syntax elements
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keyword_format = QTextCharFormat()
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keyword_format.setForeground(QColor("#569CD6"))
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keyword_format.setFontWeight(QFont.Weight.Bold)
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keywords = ["if", "else", "while", "for", "in", "do", "done", "echo", "export"]
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for word in keywords:
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self.highlighting_rules.append((
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f"\\b{word}\\b",
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keyword_format
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))
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# String format
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string_format = QTextCharFormat()
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string_format.setForeground(QColor("#CE9178"))
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self.highlighting_rules.append((
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r'"[^"\\]*(\\.[^"\\]*)*"',
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string_format
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))
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# Comment format
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comment_format = QTextCharFormat()
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comment_format.setForeground(QColor("#608B4E"))
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self.highlighting_rules.append((
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r"#[^\n]*",
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comment_format
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))
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def highlightBlock(self, text):
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from PyQt6.QtCore import QRegularExpression
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for pattern, format in self.highlighting_rules:
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expression = QRegularExpression(pattern)
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match_iterator = expression.globalMatch(text)
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while match_iterator.hasNext():
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match = match_iterator.next()
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self.setFormat(match.capturedStart(), match.capturedLength(), format)
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class ScriptEditor(QPlainTextEdit):
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def __init__(self):
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super().__init__()
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self.setup_editor()
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def setup_editor(self):
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# Set font
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font = QFont("Courier New", 10)
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self.setFont(font)
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# Set tab width
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self.setTabStopDistance(40) # 4 spaces
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# Enable line numbers
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self.setLineWrapMode(QPlainTextEdit.LineWrapMode.NoWrap)
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# Set syntax highlighter
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self.highlighter = BellosSyntaxHighlighter(self.document())
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# Set placeholder text
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self.setPlaceholderText("Enter your Bellos script here...")
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def line_number_area_width(self):
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digits = 1
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max_num = max(1, self.blockCount())
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while max_num >= 10:
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max_num //= 10
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digits += 1
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space = 3 + self.fontMetrics().horizontalAdvance('9') * digits
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return space
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def update_line_number_area_width(self, new_block_count):
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self.setViewportMargins(self.line_number_area_width(), 0, 0, 0)
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def update_line_number_area(self, rect, dy):
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if dy:
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self.line_number_area.scroll(0, dy)
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else:
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self.line_number_area.update(0, rect.y(), self.line_number_area.width(), rect.height())
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if rect.contains(self.viewport().rect()):
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self.update_line_number_area_width(0)
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