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96 lines
3.4 KiB
Python
96 lines
3.4 KiB
Python
# Copyright: Damien Elmes <anki@ichi2.net>
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# -*- coding: utf-8 -*-
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# License: GNU GPL, version 3 or later; http://www.gnu.org/copyleft/gpl.html
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import sys
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from PyQt4.QtWebKit import QWebPage, QWebView
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from PyQt4 import pyqtconfig
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QtConfig = pyqtconfig.Configuration()
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# Bridge for Qt<->JS
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##########################################################################
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class Bridge(QObject):
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@pyqtSlot(str, result=str)
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def run(self, str):
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return unicode(self._bridge(unicode(str)))
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def setBridge(self, func):
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self._bridge = func
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# Page for debug messages
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##########################################################################
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class AnkiWebPage(QWebPage):
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def __init__(self, parent, jsErr):
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QWebPage.__init__(self, parent)
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self._jsErr = jsErr
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def javaScriptConsoleMessage(self, msg, line, srcID):
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self._jsErr(msg, line, srcID)
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# Main web view
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##########################################################################
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class AnkiWebView(QWebView):
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def __init__(self, parent):
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QWebView.__init__(self, parent)
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self.setObjectName("mainText")
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self._bridge = Bridge()
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self._page = AnkiWebPage(parent, self._jsErr)
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self._loadFinishedCB = None
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self.setPage(self._page)
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self.page().setLinkDelegationPolicy(QWebPage.DelegateAllLinks)
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self.page().mainFrame().addToJavaScriptWindowObject("py", self._bridge)
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self.setLinkHandler()
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self.setKeyHandler()
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self.connect(self, SIGNAL("linkClicked(QUrl)"), self._linkHandler)
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self.connect(self, SIGNAL("loadFinished(bool)"), self._loadFinished)
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def keyPressEvent(self, evt):
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if evt.matches(QKeySequence.Copy):
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self.triggerPageAction(QWebPage.Copy)
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evt.accept()
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if self._keyHandler:
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if self._keyHandler(evt):
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evt.accept()
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return
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QWebView.keyPressEvent(self, evt)
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def contextMenuEvent(self, evt):
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QWebView.contextMenuEvent(self, evt)
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def dropEvent(self, evt):
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pass
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def setLinkHandler(self, handler=None):
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if handler:
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self.linkHandler = handler
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else:
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self.linkHandler = self._openLinksExternally
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def setKeyHandler(self, handler=None):
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# handler should return true if event should be swallowed
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self._keyHandler = handler
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def setHtml(self, html, loadCB=None):
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if loadCB:
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self._loadFinishedCB = loadCB
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QWebView.setHtml(self, html)
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def stdHtml(self, body, css="", bodyClass="", loadCB=None):
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self.setHtml("""
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<html><head><style>%s</style>
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<script src="qrc:/jquery.min.js"></script>
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<script src="qrc:/jquery.flot.min.js"></script>
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</head>
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<body class="%s">%s</body></html>""" % (css, bodyClass, body), loadCB)
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# ensure we're focused
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self.setFocus()
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def setBridge(self, bridge):
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self._bridge.setBridge(bridge)
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def eval(self, js):
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self.page().mainFrame().evaluateJavaScript(js)
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def _openLinksExternally(self, url):
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QDesktopServices.openUrl(QUrl(url))
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def _jsErr(self, msg, line, srcID):
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sys.stderr.write(_("JS error on line %d: %s") % (line, msg+"\n"))
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def _linkHandler(self, url):
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self.linkHandler(unicode(url.toString()))
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def _loadFinished(self):
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if self._loadFinishedCB:
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self._loadFinishedCB(self)
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