2012-12-21 08:51:59 +01:00
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# Copyright: Damien Elmes <anki@ichi2.net>
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# -*- coding: utf-8 -*-
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# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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import sys
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from aqt.qt import *
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from aqt.utils import openLink
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from anki.utils import isMac, isWin
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import anki.js
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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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@pyqtSlot(str)
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def link(self, str):
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self._linkHandler(unicode(str))
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def setBridge(self, func):
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self._bridge = func
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def setLinkHandler(self, func):
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self._linkHandler = 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, jsErr):
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QWebPage.__init__(self)
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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):
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QWebView.__init__(self)
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self.setRenderHints(
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QPainter.TextAntialiasing |
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QPainter.SmoothPixmapTransform |
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QPainter.HighQualityAntialiasing)
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self.setObjectName("mainText")
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self._bridge = Bridge()
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self._page = AnkiWebPage(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.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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self.allowDrops = False
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# reset each time new html is set; used to detect if still in same state
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self.key = None
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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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# work around a bug with windows qt where shift triggers buttons
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2013-01-28 04:17:53 +01:00
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if isWin and evt.modifiers() & Qt.ShiftModifier and not evt.text():
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2012-12-21 08:51:59 +01:00
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evt.accept()
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return
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QWebView.keyPressEvent(self, evt)
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def keyReleaseEvent(self, evt):
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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.keyReleaseEvent(self, evt)
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def contextMenuEvent(self, evt):
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# lazy: only run in reviewer
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import aqt
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if aqt.mw.state != "review":
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return
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m = QMenu(self)
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a = m.addAction(_("Copy"))
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a.connect(a, SIGNAL("activated()"),
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lambda: self.triggerPageAction(QWebPage.Copy))
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m.popup(QCursor.pos())
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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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self._bridge.setLinkHandler(self.linkHandler)
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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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self.key = None
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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, js=None, head=""):
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if isMac:
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button = "font-weight: bold; height: 24px;"
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else:
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button = "font-weight: normal;"
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self.setHtml("""
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<!doctype html>
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<html><head><style>
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button {
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%s
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}
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%s</style>
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<script>%s</script>
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%s
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</head>
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<body class="%s">%s</body></html>""" % (
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button, css, js or anki.js.jquery+anki.js.browserSel,
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head, bodyClass, body), loadCB)
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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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openLink(url)
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def _jsErr(self, msg, line, srcID):
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sys.stdout.write(
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(_("JS error on line %(a)d: %(b)s") %
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dict(a=line, b=msg+"\n")).encode("utf8"))
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def _linkHandler(self, url):
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self.linkHandler(url.toString())
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def _loadFinished(self):
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self.page().mainFrame().addToJavaScriptWindowObject("py", self._bridge)
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if self._loadFinishedCB:
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self._loadFinishedCB(self)
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self._loadFinishedCB = None
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