latest pushes

gui/script_editor.py

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