QT-PyQt-PySide-Custom-Widgets - Customizing QCustomCodeEditor

QCustomCodeEditor

Overview

The QCustomCodeEditor widget provides a customizable code editor for PyQt/PySide applications. It supports syntax highlighting for various programming languages and offers features such as line numbering, cursor position display, and theme customization.

Features

• Syntax Highlighting: Supports syntax highlighting for Python, C++, and plain text files.
• Theme Customization: Users can customize the appearance of the code editor by selecting different themes.
• Line Numbering: Displays line numbers alongside the code for easy navigation.
• Cursor Position Display: Shows the current cursor position in the code.
• File Loading: Allows loading code from files with automatic language detection based on file extension.

Usage

Importing

from Custom_Widgets.QCustomCodeEditor import QCustomCodeEditor

Creating a Code Editor

code_editor = QCustomCodeEditor()

Setting Theme

code_editor.setTheme("default")

Setting Language

code_editor.setLang("python")

Loading File

code_editor.loadFile("path/to/file.py")

Customization Options

• Theme: Set the theme of the code editor.
• Language: Set the language mode of the code editor (e.g., Python, C++, plain text).
• File Loading: Load code from files with automatic language detection.

Example

import sys
import os
from functools import partial
from PySide6.QtCore import Qt
from PySide6.QtWidgets import QApplication, QMainWindow, QToolBar, QPushButton, QVBoxLayout, QWidget, QLabel
from Custom_Widgets.QCustomCodeEditor import QCustomCodeEditor

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()

        # Main container widget
        self.container = QWidget()
        self.layout = QVBoxLayout()
        self.container.setLayout(self.layout)
        self.setCentralWidget(self.container)

        # First editor
        self.editor1_label = QLabel("Primary Code Editor")
        self.editor1 = QCustomCodeEditor()
        self.editor1.setTheme("default")  # Set default theme
        self.editor1.setLang("python")

        # Second editor
        self.editor2_label = QLabel("Embedded Code Editor")
        self.editor2 = QCustomCodeEditor()
        self.editor2.setTheme("default")  # Set default theme
        self.editor2.loadFile(os.path.join(os.path.dirname(__file__), "hello.cpp"))

        # Add widgets to layout
        self.layout.addWidget(self.editor1_label)
        self.layout.addWidget(self.editor1)
        self.layout.addWidget(self.editor2_label)
        self.layout.addWidget(self.editor2)

        self.create_toolbar()

    def create_toolbar(self):
        toolbar = QToolBar("Themes", self)
        self.addToolBar(Qt.TopToolBarArea, toolbar)

        themes = ["Default", "One Light", "One Dark", "Monokai", "Oceanic", "Zenburn"]
        for theme in themes:
            button = QPushButton(theme, self)
            button.clicked.connect(partial(self.set_theme, theme.lower().replace(" ", "-")))
            toolbar.addWidget(button)

    def set_theme(self, theme):
        self.editor1.setTheme(theme)
        self.editor2.setTheme(theme)

if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = MainWindow()
    window.show()
    sys.exit(app.exec())

Dependencies

• PyQt or PySide
• QT-PyQt-PySide-Custom-Widgets