Merge pull request #27 from rohitagr0310/develop

Develop

components/code_editor/code_editor.py

@@ -0,0 +1,74 @@
+from PyQt5.QtWidgets import QPlainTextEdit, QFrame, QVBoxLayout, QWidget
+from PyQt5.QtCore import Qt
+from .syntax_highlighter import SyntaxHighlighter
+from .line_numbers import LineNumberArea
+from PyQt5.QtGui import QPainter
+
+class CodeEditor(QFrame):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.initUI()
+
+    def initUI(self):
+        # Create a layout for the code editor and line numbers
+        layout = QVBoxLayout(self)
+        layout.setContentsMargins(0, 0, 0, 0)
+
+        # Create the code editor widget
+        self.code_editor = QPlainTextEdit(self)
+        self.code_editor.setLineWrapMode(QPlainTextEdit.NoWrap)
+
+        # Create a syntax highlighter for the code editor
+        self.highlighter = SyntaxHighlighter(self.code_editor.document())
+
+        # Add code editor to the layout
+        layout.addWidget(self.code_editor)
+
+        # Create the line numbers widget
+        self.line_numbers = LineNumberArea(self.code_editor)
+
+        # Set the code editor's viewport margin to the width of the line numbers
+        self.code_editor.setViewportMargins(self.line_numbers.width(), 0, 0, 0)
+
+        # Connect the code editor's scrollbar to update the line numbers
+        self.code_editor.verticalScrollBar().valueChanged.connect(self.update_line_numbers)
+
+        # Initialize line numbers
+        self.init_line_numbers()
+
+        self.setLayout(layout)
+
+    def init_line_numbers(self):
+        self.code_editor.verticalScrollBar().valueChanged.connect(self.line_numbers.update)
+
+    def line_number_width(self):
+        digits = 1
+        max_value = max(1, self.code_editor.blockCount())
+        while max_value >= 10:
+            max_value /= 10
+            digits += 1
+        space = 3 + self.code_editor.fontMetrics().width('9') * digits
+        return space
+
+    def line_number_paint(self, event):
+        painter = QPainter(self.line_numbers)
+        painter.fillRect(event.rect(), Qt.lightGray)
+        block = self.code_editor.firstVisibleBlock()
+        block_number = block.blockNumber()
+        top = self.code_editor.blockBoundingGeometry(block).translated(self.code_editor.contentOffset()).top()
+        bottom = top + self.code_editor.blockBoundingRect(block).height()
+
+        # Iterate over visible blocks and paint line numbers
+        while block.isValid() and (top <= event.rect().bottom()):
+            if block.isVisible() and (bottom >= event.rect().top()):
+                number = str(block_number + 1)
+                painter.setPen(Qt.black)
+                painter.drawText(0, top, self.line_numbers.width(), self.code_editor.fontMetrics().height(), Qt.AlignRight, number)
+            block = block.next()
+            top = bottom
+            bottom = top + self.code_editor.blockBoundingRect(block).height()
+            block_number += 1
+        painter.end()
+
+    def update_line_numbers(self):
+        self.line_numbers.update()

components/code_editor/line_numbers.py

@@ -0,0 +1,34 @@
+from PyQt5.QtWidgets import QWidget
+from PyQt5.QtCore import QSize, Qt
+from PyQt5.QtGui import QPainter
+
+class LineNumberArea(QWidget):
+    def __init__(self, editor):
+        super().__init__(editor)
+        self.code_editor = editor
+
+    def sizeHint(self):
+        return QSize(self.line_number_width(), 0)
+
+    def line_number_width(self):
+        digits = len(str(self.code_editor.blockCount()))
+        space = 3 + self.fontMetrics().width('9') * digits
+        return space
+
+    def paintEvent(self, event):
+        painter = QPainter(self)
+        painter.fillRect(event.rect(), Qt.lightGray)
+        block = self.code_editor.firstVisibleBlock()
+        block_number = block.blockNumber() + 1
+        top = self.code_editor.blockBoundingGeometry(block).translated(self.code_editor.contentOffset()).top()
+        bottom = top + self.code_editor.blockBoundingRect(block).height()
+
+        while block.isValid() and top <= event.rect().bottom():
+            if block.isVisible() and bottom >= event.rect().top():
+                text = str(block_number)
+                painter.setPen(Qt.black)
+                painter.drawText(0, top, self.width(), self.fontMetrics().height(), Qt.AlignRight | Qt.AlignVCenter, text)
+            block = block.next()
+            top = bottom
+            bottom = top + self.code_editor.blockBoundingRect(block).height()
+            block_number += 1

components/code_editor/syntax_highlighter.py

@@ -0,0 +1,20 @@
+from PyQt5.QtGui import QTextCharFormat, QTextDocument
+from PyQt5.QtWidgets import QPlainTextEdit
+from PyQt5.QtGui import QSyntaxHighlighter, QSyntaxHighlighter
+from PyQt5.QtCore import Qt, QTextStream
+from traitlets import CRegExp
+
+class SyntaxHighlighter(QSyntaxHighlighter):
+    def __init__(self, parent):
+        super().__init__(parent)
+        self.highlighting_rules = []
+
+        # Define highlighting rules (e.g., for keywords, comments, etc.)
+
+    def highlightBlock(self, text):
+        for pattern, format in self.highlighting_rules:
+            regex = CRegExp(pattern)
+            iterator = regex.globalMatch(text)
+            while iterator.hasNext():
+                match = iterator.next()
+                self.setFormat(match.capturedStart(), match.capturedLength(), format)

components/menu_bar/menu_bar.py

@@ -0,0 +1,24 @@
+from PyQt5.QtWidgets import QMainWindow, QMenuBar, QMenu, QAction
+
+def create_menu_bar(root):
+    menubar = root.menuBar()
+
+    # Create a "File" menu
+    file_menu = menubar.addMenu("File")
+
+    # Add menu items to the "File" menu
+    new_action = QAction("New", root)
+    open_action = QAction("Open", root)
+    save_action = QAction("Save", root)
+    save_as_action = QAction("Save As", root)
+    exit_action = QAction("Exit", root)
+
+    file_menu.addAction(new_action)
+    file_menu.addAction(open_action)
+    file_menu.addAction(save_action)
+    file_menu.addAction(save_as_action)
+    file_menu.addSeparator()  # Add a separator line
+    file_menu.addAction(exit_action)
+
+    # Connect menu items to functions or actions as needed
+    # For example, exit_action.triggered.connect(on_exit)

main.py

@@ -1,26 +1,24 @@
-import tkinter as tk
-from menu_bar import create_menu_bar
-from tkinter import scrolledtext
+import sys
+from PyQt5.QtWidgets import QApplication, QMainWindow
+from components.code_editor.code_editor import CodeEditor
+from components.menu_bar.menu_bar import create_menu_bar
 
 def create_base_window():
-    root = tk.Tk()
-    root.title("My Python IDE")
-
-    # Create a menu bar using the imported function
-    create_menu_bar(root)
+    app = QApplication(sys.argv)
+    root = QMainWindow()
+    root.setWindowTitle("My Python IDE")
+    root.setGeometry(100, 100, 800, 600)  # Set the window size
+
+    # Create the custom code editor component
+    code_editor = CodeEditor(root)
+    root.setCentralWidget(code_editor)
 
-    # Create a text widget (for code editing)
-    text_widget = scrolledtext.ScrolledText(
-        root,
-        wrap=tk.WORD,
-        font=("Consolas", 12),  # Use a monospaced font like Consolas
-        insertbackground="Black",  # Color of the cursor
-        selectbackground="lightblue"  # Color of selected text
-    )
-    text_widget.pack(expand=tk.YES, fill=tk.BOTH)
+    # Create the menu bar
+    create_menu_bar(root)
 
-    return root
+    return app, root
 
 if __name__ == "__main__":
-    app = create_base_window()
-    app.mainloop()
+    app, main_window = create_base_window()
+    main_window.show()
+    sys.exit(app.exec_())

requirements.txt

@@ -1 +1 @@
-
+PyQt5