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app.py
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from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtWebEngineWidgets import *
import os
import sys
import validators
from PyQt5 import QtCore, QtWidgets, QtWebEngineWidgets, QtPrintSupport
import json
class AboutDialog(QDialog):
def __init__(self, *args, **kwargs):
super(AboutDialog, self).__init__(*args, **kwargs)
QBtn = QDialogButtonBox.Ok
self.buttonBox = QDialogButtonBox(QBtn)
self.buttonBox.accepted.connect(self.accept)
self.buttonBox.rejected.connect(self.reject)
self.buttonBox.setStyleSheet(
"background-color:#0088ff;color : #ffffff;")
layout = QVBoxLayout()
title = QLabel("WEB Plus Browser")
font = title.font()
font.setPointSize(20)
title.setFont(font)
layout.addWidget(title)
self.setStyleSheet("background-color:#000000;color : #ffffff;")
logo = QLabel()
logo.setPixmap(QPixmap(os.path.join('images', 'ma-icon-128.png')))
layout.addWidget(logo)
layout.addWidget(QLabel("Mark 4"))
for i in range(0, layout.count()):
layout.itemAt(i).setAlignment(Qt.AlignHCenter)
layout.addWidget(self.buttonBox)
self.setWindowIcon(QIcon(os.path.join('images', 'ma-icon-64.png')))
self.setWindowTitle("Web Plus")
self.setLayout(layout)
class Help(QDialog):
def __init__(self, *args, **kwargs):
super(Help, self).__init__(*args, **kwargs)
QBtn = QDialogButtonBox.Ok
self.buttonBox = QDialogButtonBox(QBtn)
self.buttonBox.accepted.connect(self.accept)
self.buttonBox.rejected.connect(self.reject)
layout = QVBoxLayout()
title = QLabel("KeyBoard Shortcuts")
font = title.font()
font.setPointSize(20)
title.setFont(font)
layout.addWidget(title)
layout.addWidget(QLabel(" Open New Tab--Ctrl+Alt+t \n Open a HTML file--Ctrl+o \n Print the web page--Ctrl+p \n Get information about the version of web plus you are using--Ctrl+Alt+a \n Visit Web Plus's official website--Ctrl+Alt+h \n View Page Source Code--Ctrl+Alt+v \n Back to previous page--Ctrl+b \n Forward to next page--Ctrl+f \n Reload page--Ctrl+Alt+r \n Open the home page--Ctrl+h"))
for i in range(0, layout.count()):
layout.itemAt(i).setAlignment(Qt.AlignHCenter)
layout.addWidget(self.buttonBox)
self.setWindowIcon(QIcon(os.path.join('images', 'ma-icon-64.png')))
self.setWindowTitle("Keyboard Shortcuts")
self.setLayout(layout)
class WebEnginePage(QtWebEngineWidgets.QWebEnginePage):
def __init__(self, parent=None):
super(WebEnginePage, self).__init__(parent)
self.featurePermissionRequested.connect(
self.handleFeaturePermissionRequested)
@QtCore.pyqtSlot(QtCore.QUrl, QtWebEngineWidgets.QWebEnginePage.Feature)
def handleFeaturePermissionRequested(self, securityOrigin, feature):
title = "Permission Request"
questionForFeature = {
QtWebEngineWidgets.QWebEnginePage.Geolocation: "Allow {feature} to access your location information?",
QtWebEngineWidgets.QWebEnginePage.MediaAudioCapture: "Allow {feature} to access your microphone?",
QtWebEngineWidgets.QWebEnginePage.MediaVideoCapture: "Allow {feature} to access your webcam?",
QtWebEngineWidgets.QWebEnginePage.MediaAudioVideoCapture: "Allow {feature} to lock your mouse cursor?",
QtWebEngineWidgets.QWebEnginePage.DesktopVideoCapture: "Allow {feature} to capture video of your desktop?",
QtWebEngineWidgets.QWebEnginePage.DesktopAudioVideoCapture: "Allow {feature} to capture audio and video of your desktop?"
}
question = questionForFeature.get(feature)
if question:
question = question.format(feature=securityOrigin.host())
if QtWidgets.QMessageBox.question(self.view().window(), title, question) == QtWidgets.QMessageBox.Yes:
self.setFeaturePermission(
securityOrigin, feature, QtWebEngineWidgets.QWebEnginePage.PermissionGrantedByUser)
else:
self.setFeaturePermission(
securityOrigin, feature, QtWebEngineWidgets.QWebEnginePage.PermissionDeniedByUser)
class MainWindow(QMainWindow):
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
# defining shotcuts
self.shortcut_open = QShortcut(QKeySequence('Ctrl+Alt+t'), self)
self.shortcut_open.activated.connect(self.add_new_tab)
self.shortcut_open = QShortcut(QKeySequence('Ctrl+p'), self)
self.shortcut_open.activated.connect(self.printRequested)
self.shortcut_open = QShortcut(QKeySequence('Ctrl+o'), self)
self.shortcut_open.activated.connect(self.open_file)
self.shortcut_open = QShortcut(QKeySequence('Ctrl+Alt+a'), self)
self.shortcut_open.activated.connect(self.about)
self.shortcut_open = QShortcut(QKeySequence('Ctrl+Alt+h'), self)
self.shortcut_open.activated.connect(self.navigate_mozarella)
self.shortcut_open = QShortcut(QKeySequence('Ctrl+Alt+v'), self)
self.shortcut_open.activated.connect(self.view)
self.shortcut_open = QShortcut(QKeySequence('Ctrl+b'), self)
self.shortcut_open.activated.connect(
lambda: self.tabs.currentWidget().back())
self.shortcut_open = QShortcut(QKeySequence('Ctrl+f'), self)
self.shortcut_open.activated.connect(
lambda: self.tabs.currentWidget().forward())
self.shortcut_open = QShortcut(QKeySequence('Ctrl+Alt+r'), self)
self.shortcut_open.activated.connect(
lambda: self.tabs.currentWidget().reload())
self.shortcut_open = QShortcut(QKeySequence('Ctrl+h'), self)
self.shortcut_open.activated.connect(self.navigate_home)
self.tabs = QTabWidget()
self.tabs.setDocumentMode(True)
self.tabs.tabBarDoubleClicked.connect(self.tab_open_doubleclick)
self.tabs.currentChanged.connect(self.current_tab_changed)
self.tabs.setTabsClosable(True)
self.tabs.tabCloseRequested.connect(self.close_current_tab)
self.setCentralWidget(self.tabs)
self.navtb = QToolBar("Navigation")
self.navtb.setIconSize(QSize(25, 25))
self.navtb.setMovable(False)
self.addToolBar(self.navtb)
back_btn = QAction(
QIcon(os.path.join('images', 'arrow-180.png')), "Back", self)
back_btn.triggered.connect(lambda: self.tabs.currentWidget().back())
self.navtb.addAction(back_btn)
next_btn = QAction(
QIcon(os.path.join('images', 'arrow-000.png')), "Forward", self)
next_btn.triggered.connect(lambda: self.tabs.currentWidget().forward())
self.navtb.addAction(next_btn)
reload_btn = QAction(
QIcon(os.path.join('images', 'arrow-circle-315.png')), "Reload", self)
reload_btn.triggered.connect(
lambda: self.tabs.currentWidget().reload())
self.navtb.addAction(reload_btn)
self.connect_btn = QAction(QIcon(os.path.join('images', 'lock-nossl.png')), "Connection Status", self)
self.navtb.addAction(self.connect_btn)
self.urlbar = QLineEdit()
# self.urlbar.setStyleSheet("background-color : none; border-radius : None")
self.urlbar.returnPressed.connect(self.navigate_to_url)
#self.urlbar.setFixedWidth(1640)
self.urlbar.setFixedHeight(28)
self.navtb.addWidget(self.urlbar)
stop_btn = QAction(
QIcon(os.path.join('images', 'cross-circle.png')), "Stop", self)
stop_btn.triggered.connect(lambda: self.tabs.currentWidget().stop())
self.navtb.addAction(stop_btn)
menu = QtWidgets.QMenu(self)
new_tab_action = QAction(
QIcon(os.path.join('images', 'ui-tab--plus.png')), "New Tab", self)
new_tab_action.triggered.connect(lambda _: self.add_new_tab())
menu.addAction(new_tab_action)
print_action = QAction(
QIcon(os.path.join('images', 'printer.png')), "Print", self)
print_action.triggered.connect(self.printRequested)
menu.addAction(print_action)
open_file_action = QAction(
QIcon(os.path.join('images', 'disk--arrow.png')), "Open file...", self)
open_file_action.triggered.connect(self.open_file)
menu.addAction(open_file_action)
about_action = QAction(QIcon(os.path.join('images', 'question.png')), "About Web Plus", self)
about_action.triggered.connect(self.about)
menu.addAction(about_action)
keyboard = QAction(
QIcon(os.path.join('images', 'keyboard.png')), "Keyboard Shotcut", self)
keyboard.triggered.connect(self.keyboardshotcut)
menu.addAction(keyboard)
navigate_mozarella_action = QAction(QIcon(os.path.join('images', 'lifebuoy.png')),
"Web Plus Homepage", self)
navigate_mozarella_action.triggered.connect(self.navigate_mozarella)
menu.addAction(navigate_mozarella_action)
view = QAction(QIcon(os.path.join('images', 'view.png')),
"View page source code", self)
view.triggered.connect(self.view)
menu.addAction(view)
dark_theme_action = QAction(QIcon(os.path.join('images', 'icon.png')),
"Dark theme", self)
dark_theme_action.triggered.connect(self.darkTheme)
menu.addAction(dark_theme_action)
option_btn = QAction(
QIcon(os.path.join('images', 'options.png')), "Option", self)
option_btn.setMenu(menu)
self.navtb.addAction(option_btn)
# Uncomment to disable native menubar on Mac
# self.menuBar().setNativeMenuBar(False)
self.add_new_tab(QUrl('file:///html/home.html'), 'UNTITLED')
self.show()
self.setWindowTitle("Web Plus")
self.setWindowIcon(QIcon(os.path.join('images', 'ma-icon-64.png')))
self.switch()
self.darkTheme()
def switch(self):
with open("config.json", 'r') as f:
data = json.load(f)
self.res=data["theme"]
if self.res == 'light':
with open('config.json', 'r+') as f:
data = json.load(f)
data['theme'] = "dark"
f.seek(0)
json.dump(data, f, indent=4)
f.truncate()
else:
with open('config.json', 'r+') as f:
data = json.load(f)
data['theme'] = "light"
f.seek(0)
json.dump(data, f, indent=4)
f.truncate()
@QtCore.pyqtSlot("QWebEngineDownloadItem*")
def on_downloadRequested(self, download):
old_path = download.url().path() # download.path()
suffix = QtCore.QFileInfo(old_path).suffix()
path, _ = QtWidgets.QFileDialog.getSaveFileName(
self, "Save File", old_path, "*." + suffix
)
if path:
download.setPath(path)
download.accept()
def add_new_tab(self, qurl=None, label="UNTITLED"):
if qurl is None:
qurl = QUrl('file:///html/home.html')
browser = QWebEngineView()
page = WebEnginePage(browser)
browser.setPage(page)
browser.setUrl(qurl)
page.printRequested.connect(self.printRequested)
QtWebEngineWidgets.QWebEngineProfile.defaultProfile(
).downloadRequested.connect(self.on_downloadRequested)
i = self.tabs.addTab(browser, label)
self.tabs.setCurrentIndex(i)
self.tabs.setTabIcon(i, browser.page().icon())
browser.urlChanged.connect(lambda qurl, browser=browser:
self.update_urlbar(qurl, browser))
browser.loadFinished.connect(lambda _, i=i, browser=browser:
self.tabs.setTabText(i, browser.page().title()))
browser.iconChanged.connect(lambda _, i=i, browser=browser:
self.tabs.setTabIcon(i, browser.icon()))
def printRequested(self):
# if you are viewing this part of my code can you please improve this as I don't think this is the best way to print a page and I can't understand how to fix this
url = self.urlbar.text()
if url == "":
url = 'file:///html/home.html'
self.view = QtWebEngineWidgets.QWebEngineView()
self.page = QtWebEngineWidgets.QWebEnginePage(self)
self.view.setPage(self.page)
self.view.load(QtCore.QUrl(url))
defaultPrinter = QtPrintSupport.QPrinter(
QtPrintSupport.QPrinterInfo.defaultPrinter())
dialog = QtPrintSupport.QPrintDialog(defaultPrinter, self)
if dialog.exec():
# printer object has to be persistent
self._printer = dialog.printer()
self.page.print(self._printer, self.printResult)
def printResult(self, success):
if success:
pass
else:
QtWidgets.QMessageBox.information(self, 'Print failed',
'Printing has failed!', QtWidgets.QMessageBox.Ok)
del self._printer
def tab_open_doubleclick(self, i):
if i == -1:
self.add_new_tab()
def current_tab_changed(self, i):
qurl = self.tabs.currentWidget().url()
self.update_urlbar(qurl, self.tabs.currentWidget())
self.update_title(self.tabs.currentWidget())
def close_current_tab(self, i):
if self.tabs.count() < 2:
return
self.tabs.removeTab(i)
def update_title(self, browser):
if browser != self.tabs.currentWidget():
return
title = self.tabs.currentWidget().page().title()
self.setWindowTitle("%s - Web Plus" % title)
def navigate_mozarella(self):
self.tabs.currentWidget().setUrl(
QUrl("https://saptakbhoumik.github.io/web.github.io/"))
def view(self):
url = self.urlbar.text()
if url == "":
url = "file:///html/home.html"
url = f"view-source:{url}"
self.add_new_tab(QUrl(url), 'UNTITLED')
def about(self):
dlg = AboutDialog()
dlg.exec_()
def keyboardshotcut(self):
dlg = Help()
dlg.exec_()
def open_file(self):
filename, _ = QFileDialog.getOpenFileName(
self, "Open file", "", "HTML(*.htm *.html);;")
if filename == "":
pass
else:
self.tabs.currentWidget().setUrl(QUrl(f"file:///{filename}"))
def navigate_home(self):
self.tabs.currentWidget().setUrl(QUrl("file:///html/home.html"))
def navigate_to_url(self):
inputtext = self.urlbar.text()
if validators.url(inputtext):
q = QUrl(inputtext)
elif validators.url(f"https://{inputtext}"):
q = QUrl(f"http://{inputtext}")
elif inputtext.find("file:///") == 0 or inputtext.find("view-source:") == 0 :
q = QUrl(inputtext)
else:
url = f'https://www.ecosia.org/search?q={inputtext.replace("+","%2B").replace(" ","+")}'
q = QUrl(url)
if q.scheme() == "":
q.setScheme("http")
self.tabs.currentWidget().setUrl(q)
def update_urlbar(self, q, browser=None):
url = q.toString()
if browser != self.tabs.currentWidget():
# If this signal is not from the current tab, ignore
return
if q.scheme() == 'https':
# Secure padlock icon
self.connect_btn.setIcon(QIcon(os.path.join('images', 'ssl.png')))
#self.connect_btn.setStatusTip("Your connection is secure")
elif q.scheme() == 'http':
# Insecure padlock icon
self.connect_btn.setIcon(QIcon(os.path.join('images', 'lock-nossl.png')))
#self.connect_btn.setStatusTip("Your connection is not secure")
elif q.scheme() == 'file':
if url == "file:///html/home.html":
# search padlock icon
self.connect_btn.setIcon(QIcon(os.path.join('images', 'search.png')))
#self.connect_btn.setStatusTip("Search or type a url")
else:
# file padlock icon
self.connect_btn.setIcon(QIcon(os.path.join('images', 'document.png')))
#self.connect_btn.setStatusTip("You are viewing a local or shared file")
elif q.scheme() == 'view-source':
# source code padlock icon
self.connect_btn.setIcon(QIcon(os.path.join('images', 'code.png')))
#self.connect_btn.setStatusTip(f"You are viewing the source of a website")
if url == "file:///html/home.html":
self.urlbar.setText("")
else:
self.urlbar.setText(q.toString())
self.urlbar.setCursorPosition(0)
def darkTheme(self):
with open("config.json", 'r') as f:
data = json.load(f)
self.res=data["theme"]
if self.res == 'dark':
self.status = 'dark'
else:
self.status = 'light'
if self.status == 'light':
self.tabs.setStyleSheet("""
QTabWidget {
background: #ffffff;
}
QTabBar {
background: #e7eaed;
}
QTabBar::tab {
background: #e7eaed;
padding: 10px;
color: #000000;
margin-top: -1px;
margin-bottom: -1px;
margin-left: 1pt solid black;
margin-right: 1pt solid black;
border: 1px solid #000000;
border-radius: 4px;
}
QTabBar::tab:hover {
background: #f0f0f0;
}
QTabBar::tab:selected {
background: #ffffff;
color: #000000;
}
""")
self.navtb.setStyleSheet("""
QToolBar {
background-color: #ffffff;
color:#000000;
}
QToolBar QToolButton {
background-color: #ffffff;
border-radius: 2px;
}
QToolBar QToolButton:pressed {
background-color: #ffffff;
border-radius: 2px;
}
""")
self.urlbar.setStyleSheet(
"font-size: 11pt;border: 1px solid #0088ff;border-radius: 10px;background-color:#ffffff;color:#000000")
with open('config.json', 'r+') as f:
data = json.load(f)
data['theme'] = "dark"
f.seek(0)
json.dump(data, f, indent=4)
f.truncate()
else:
self.tabs.setStyleSheet("""
QTabWidget {
background: #000000;
}
QTabBar {
background: #000000;
}
QTabBar::tab {
background: #000000;
padding: 10px;
color: #ffffff;
margin-top: -1px;
margin-bottom: -1px;
margin-left: 1pt solid black;
margin-right: 1pt solid black;
border: 1px solid #ffffff;
border-radius: 4px;
}
QTabBar::tab:hover {
background: #414141;
}
QTabBar::tab:selected {
background: #979797;
}
""")
self.navtb.setStyleSheet("""
QToolBar {
background-color: #000000;
color:#ffffff;
}
QToolBar QToolButton {
background-color: #000000;
border-radius: 2px;
}
QToolBar QToolButton:pressed {
background-color: #000000;
border-radius: 2px;
}
""")
self.urlbar.setStyleSheet(
"font-size: 11pt;border: 1px solid #ffffff;border-radius: 10px;background-color:#333435;color:#ffffff")
with open('config.json', 'r+') as f:
data = json.load(f)
data['theme'] = "light"
f.seek(0)
json.dump(data, f, indent=4)
f.truncate()
if __name__ == '__main__':
app = QApplication(sys.argv)
app.setApplicationName("Web Plus")
window = MainWindow()
window.showMaximized()
sys.exit(app.exec_())