mirror of
https://github.com/pythonguis/pythonguis-examples.git
synced 2025-01-20 16:52:54 +08:00
256 lines
9.1 KiB
Python
256 lines
9.1 KiB
Python
from PyQt5.QtCore import *
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from PyQt5.QtWidgets import *
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from PyQt5.QtGui import *
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from PyQt5.QtWebEngineWidgets import *
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from PyQt5.QtPrintSupport import *
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import os
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import sys
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class AboutDialog(QDialog):
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def __init__(self, *args, **kwargs):
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super(AboutDialog, self).__init__(*args, **kwargs)
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QBtn = QDialogButtonBox.Ok # No cancel
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self.buttonBox = QDialogButtonBox(QBtn)
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self.buttonBox.accepted.connect(self.accept)
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self.buttonBox.rejected.connect(self.reject)
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layout = QVBoxLayout()
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title = QLabel("Mozarella Ashbadger")
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font = title.font()
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font.setPointSize(20)
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title.setFont(font)
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layout.addWidget(title)
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logo = QLabel()
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logo.setPixmap(QPixmap(os.path.join('images', 'ma-icon-128.png')))
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layout.addWidget(logo)
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layout.addWidget(QLabel("Version 23.35.211.233232"))
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layout.addWidget(QLabel("Copyright 2015 Mozarella Inc."))
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for i in range(0, layout.count()):
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layout.itemAt(i).setAlignment(Qt.AlignHCenter)
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layout.addWidget(self.buttonBox)
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self.setLayout(layout)
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class MainWindow(QMainWindow):
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def __init__(self, *args, **kwargs):
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super(MainWindow, self).__init__(*args, **kwargs)
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self.tabs = QTabWidget()
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self.tabs.setDocumentMode(True)
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self.tabs.tabBarDoubleClicked.connect(self.tab_open_doubleclick)
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self.tabs.currentChanged.connect(self.current_tab_changed)
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self.tabs.setTabsClosable(True)
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self.tabs.tabCloseRequested.connect(self.close_current_tab)
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self.setCentralWidget(self.tabs)
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self.status = QStatusBar()
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self.setStatusBar(self.status)
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navtb = QToolBar("Navigation")
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navtb.setIconSize(QSize(16, 16))
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self.addToolBar(navtb)
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back_btn = QAction(QIcon(os.path.join('images', 'arrow-180.png')), "Back", self)
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back_btn.setStatusTip("Back to previous page")
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back_btn.triggered.connect(lambda: self.tabs.currentWidget().back())
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navtb.addAction(back_btn)
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next_btn = QAction(QIcon(os.path.join('images', 'arrow-000.png')), "Forward", self)
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next_btn.setStatusTip("Forward to next page")
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next_btn.triggered.connect(lambda: self.tabs.currentWidget().forward())
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navtb.addAction(next_btn)
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reload_btn = QAction(QIcon(os.path.join('images', 'arrow-circle-315.png')), "Reload", self)
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reload_btn.setStatusTip("Reload page")
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reload_btn.triggered.connect(lambda: self.tabs.currentWidget().reload())
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navtb.addAction(reload_btn)
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home_btn = QAction(QIcon(os.path.join('images', 'home.png')), "Home", self)
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home_btn.setStatusTip("Go home")
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home_btn.triggered.connect(self.navigate_home)
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navtb.addAction(home_btn)
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navtb.addSeparator()
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self.httpsicon = QLabel() # Yes, really!
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self.httpsicon.setPixmap(QPixmap(os.path.join('images', 'lock-nossl.png')))
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navtb.addWidget(self.httpsicon)
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self.urlbar = QLineEdit()
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self.urlbar.returnPressed.connect(self.navigate_to_url)
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navtb.addWidget(self.urlbar)
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stop_btn = QAction(QIcon(os.path.join('images', 'cross-circle.png')), "Stop", self)
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stop_btn.setStatusTip("Stop loading current page")
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stop_btn.triggered.connect(lambda: self.tabs.currentWidget().stop())
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navtb.addAction(stop_btn)
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# Uncomment to disable native menubar on Mac
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# self.menuBar().setNativeMenuBar(False)
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file_menu = self.menuBar().addMenu("&File")
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new_tab_action = QAction(QIcon(os.path.join('images', 'ui-tab--plus.png')), "New Tab", self)
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new_tab_action.setStatusTip("Open a new tab")
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new_tab_action.triggered.connect(lambda _: self.add_new_tab())
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file_menu.addAction(new_tab_action)
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open_file_action = QAction(QIcon(os.path.join('images', 'disk--arrow.png')), "Open file...", self)
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open_file_action.setStatusTip("Open from file")
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open_file_action.triggered.connect(self.open_file)
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file_menu.addAction(open_file_action)
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save_file_action = QAction(QIcon(os.path.join('images', 'disk--pencil.png')), "Save Page As...", self)
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save_file_action.setStatusTip("Save current page to file")
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save_file_action.triggered.connect(self.save_file)
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file_menu.addAction(save_file_action)
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print_action = QAction(QIcon(os.path.join('images', 'printer.png')), "Print...", self)
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print_action.setStatusTip("Print current page")
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print_action.triggered.connect(self.print_page)
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file_menu.addAction(print_action)
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help_menu = self.menuBar().addMenu("&Help")
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about_action = QAction(QIcon(os.path.join('images', 'question.png')), "About Mozarella Ashbadger", self)
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about_action.setStatusTip("Find out more about Mozarella Ashbadger") # Hungry!
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about_action.triggered.connect(self.about)
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help_menu.addAction(about_action)
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navigate_mozarella_action = QAction(QIcon(os.path.join('images', 'lifebuoy.png')),
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"Mozarella Ashbadger Homepage", self)
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navigate_mozarella_action.setStatusTip("Go to Mozarella Ashbadger Homepage")
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navigate_mozarella_action.triggered.connect(self.navigate_mozarella)
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help_menu.addAction(navigate_mozarella_action)
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self.add_new_tab(QUrl('http://www.google.com'), 'Homepage')
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self.show()
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self.setWindowTitle("Mozarella Ashbadger")
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self.setWindowIcon(QIcon(os.path.join('images', 'ma-icon-64.png')))
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def add_new_tab(self, qurl=None, label="Blank"):
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if qurl is None:
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qurl = QUrl('')
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browser = QWebEngineView()
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browser.setUrl(qurl)
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i = self.tabs.addTab(browser, label)
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self.tabs.setCurrentIndex(i)
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# More difficult! We only want to update the url when it's from the
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# correct tab
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browser.urlChanged.connect(lambda qurl, browser=browser:
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self.update_urlbar(qurl, browser))
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browser.loadFinished.connect(lambda _, i=i, browser=browser:
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self.tabs.setTabText(i, browser.page().title()))
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def tab_open_doubleclick(self, i):
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if i == -1: # No tab under the click
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self.add_new_tab()
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def current_tab_changed(self, i):
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qurl = self.tabs.currentWidget().url()
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self.update_urlbar(qurl, self.tabs.currentWidget())
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self.update_title(self.tabs.currentWidget())
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def close_current_tab(self, i):
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if self.tabs.count() < 2:
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return
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self.tabs.removeTab(i)
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def update_title(self, browser):
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if browser != self.tabs.currentWidget():
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# If this signal is not from the current tab, ignore
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return
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title = self.tabs.currentWidget().page().title()
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self.setWindowTitle("%s - Mozarella Ashbadger" % title)
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def navigate_mozarella(self):
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self.tabs.currentWidget().setUrl(QUrl("https://www.udemy.com/522076"))
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def about(self):
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dlg = AboutDialog()
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dlg.exec_()
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def open_file(self):
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filename, _ = QFileDialog.getOpenFileName(self, "Open file", "",
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"Hypertext Markup Language (*.htm *.html);;"
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"All files (*.*)")
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if filename:
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with open(filename, 'r') as f:
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html = f.read()
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self.tabs.currentWidget().setHtml(html)
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self.urlbar.setText(filename)
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def save_file(self):
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filename, _ = QFileDialog.getSaveFileName(self, "Save Page As", "",
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"Hypertext Markup Language (*.htm *html);;"
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"All files (*.*)")
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if filename:
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html = self.tabs.currentWidget().page().mainFrame().toHtml()
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with open(filename, 'w') as f:
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f.write(html.encode('utf8'))
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def print_page(self):
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dlg = QPrintPreviewDialog()
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dlg.paintRequested.connect(self.browser.print_)
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dlg.exec_()
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def navigate_home(self):
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self.tabs.currentWidget().setUrl(QUrl("http://www.google.com"))
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def navigate_to_url(self): # Does not receive the Url
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q = QUrl(self.urlbar.text())
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if q.scheme() == "":
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q.setScheme("http")
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self.tabs.currentWidget().setUrl(q)
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def update_urlbar(self, q, browser=None):
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if browser != self.tabs.currentWidget():
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# If this signal is not from the current tab, ignore
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return
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if q.scheme() == 'https':
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# Secure padlock icon
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self.httpsicon.setPixmap(QPixmap(os.path.join('images', 'lock-ssl.png')))
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else:
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# Insecure padlock icon
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self.httpsicon.setPixmap(QPixmap(os.path.join('images', 'lock-nossl.png')))
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self.urlbar.setText(q.toString())
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self.urlbar.setCursorPosition(0)
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app = QApplication(sys.argv)
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app.setApplicationName("Mozarella Ashbadger")
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app.setOrganizationName("Mozarella")
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app.setOrganizationDomain("mozarella.org")
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window = MainWindow()
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app.exec_()
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