BROWSER.py

# importing required libraries
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtWebEngineWidgets import *
from PyQt5.QtPrintSupport import *
import sys
class MainWindow(QMainWindow):
    def __init__(self, *args, **kwargs):
        super(MainWindow, self).__init__(*args, **kwargs)
        user_agent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36"
        profile = QWebEngineProfile.defaultProfile()
        profile.setHttpUserAgent(user_agent)
        self.browser = QWebEngineView()
        self.browser.setUrl(QUrl("http://google.com"))
        self.browser.urlChanged.connect(self.update_urlbar)
        self.browser.loadFinished.connect(self.update_title)
        self.setCentralWidget(self.browser)
        self.status = QStatusBar()
        self.setStatusBar(self.status)
        navtb = QToolBar("Navigation")
        self.addToolBar(navtb)
        back_btn = QAction("Back", self)
        back_btn.setStatusTip("Back to previous page")
        back_btn.triggered.connect(self.browser.back)
        navtb.addAction(back_btn)
        next_btn = QAction("Forward", self)
        next_btn.setStatusTip("Forward to next page")
        next_btn.triggered.connect(self.browser.forward)
        navtb.addAction(next_btn)
        reload_btn = QAction("Reload", self)
        reload_btn.setStatusTip("Reload page")
        reload_btn.triggered.connect(self.browser.reload)
        navtb.addAction(reload_btn)
        home_btn = QAction("Home", self)
        home_btn.setStatusTip("Go home")
        home_btn.triggered.connect(self.navigate_home)
        navtb.addAction(home_btn)
        navtb.addSeparator()
        self.urlbar = QLineEdit()
        self.urlbar.returnPressed.connect(self.navigate_to_url)
        navtb.addWidget(self.urlbar)
        stop_btn = QAction("Stop", self)
        stop_btn.setStatusTip("Stop loading current page")
        stop_btn.triggered.connect(self.browser.stop)
        navtb.addAction(stop_btn)
        exec_js_btn = QAction("Execute JavaScript", self)
        exec_js_btn.setStatusTip("Execute JavaScript in current page")
        exec_js_btn.triggered.connect(self.execute_javascript)
        navtb.addAction(exec_js_btn)
        self.js_editor = QPlainTextEdit()
        self.js_editor.setPlaceholderText("Enter JavaScript code here...")
        self.js_editor.setMaximumHeight(100)  # Set maximum height for the editor
        self.js_editor.setStyleSheet("font-family: Courier; font-size: 12px;")  # Set font and size
        self.js_editor.setTabStopWidth(20)  # Set tab width
        self.js_editor.setTabChangesFocus(True)  # Pressing Tab moves focus to the next widget
        self.js_editor.setWordWrapMode(QTextOption.NoWrap)  # Disable word wrapping
        self.js_editor.setLineWrapMode(QPlainTextEdit.NoWrap)  # Disable line wrapping
        self.js_editor.setPlainText("")  # Set initial text
        self.js_editor.setToolTip("Enter JavaScript code to execute")  # Set tooltip
        self.js_editor.setFocusPolicy(Qt.StrongFocus)  # Set focus policy
        self.js_editor.setFocus()  # Set focus to the text editor
        self.js_editor_cursor = self.js_editor.textCursor()  # Get text cursor
        navtb.addWidget(self.js_editor)
        self.show()
    def update_title(self):
        title = self.browser.page().title()
        self.setWindowTitle("% s - Geek Browser" % title)
    def navigate_home(self):
        self.browser.setUrl(QUrl("http://www.google.com"))
    def navigate_to_url(self):
        q = QUrl(self.urlbar.text())
        if q.scheme() == "":
            q.setScheme("http")
        self.browser.setUrl(q)
    def update_urlbar(self, q):
        self.urlbar.setText(q.toString())
        self.urlbar.setCursorPosition(0)
    def execute_javascript(self):
        javascript_code = self.js_editor.toPlainText()
        if javascript_code.strip():
            self.browser.page().runJavaScript(javascript_code)
        else:
            QMessageBox.warning(self, "Empty JavaScript Code", "Please enter JavaScript code to execute.")
app = QApplication(sys.argv)
app.setApplicationName("Geek Browser")
window = MainWindow()
app.exec_()