Issue #998: Allow copy/paste and context menu in all card windows.

aqt/browser.py

@@ -986,8 +986,7 @@ where id in %s""" % ids2str(sf))
         c(self._previewWindow, SIGNAL("finished(int)"), self._onPreviewFinished)
         vbox = QVBoxLayout()
         vbox.setMargin(0)
-        self._previewWeb = AnkiWebView()
-        self._previewWeb.setFocusPolicy(Qt.NoFocus)
+        self._previewWeb = AnkiWebView(True)
         vbox.addWidget(self._previewWeb)
         bbox = QDialogButtonBox()
         self._previewPrev = bbox.addButton("<", QDialogButtonBox.ActionRole)

aqt/clayout.py

@@ -120,9 +120,9 @@ class CardLayout(QDialog):
                 self.model, joinFields(self.note.fields)))
             for g in pform.groupBox, pform.groupBox_2:
                 g.setTitle(g.title() + _(" (1 of %d)") % max(cnt, 1))
-        pform.frontWeb = AnkiWebView()
+        pform.frontWeb = AnkiWebView(True)
         pform.frontPrevBox.addWidget(pform.frontWeb)
-        pform.backWeb = AnkiWebView()
+        pform.backWeb = AnkiWebView(True)
         pform.backPrevBox.addWidget(pform.backWeb)
         for wig in pform.frontWeb, pform.backWeb:
             wig.page().setLinkDelegationPolicy(

aqt/main.py

@@ -409,10 +409,12 @@ the manual for information on how to restore from an automatic backup."))
 
     def _reviewState(self, oldState):
         self.reviewer.show()
+        self.web.setCardViewer(True)
 
     def _reviewCleanup(self, newState):
         if newState != "resetRequired" and newState != "review":
             self.reviewer.cleanup()
+            self.web.setCardViewer(False)
 
     def noteChanged(self, nid):
         "Called when a card or note is edited (but not deleted)."

aqt/webview.py

@@ -40,7 +40,7 @@ class AnkiWebPage(QWebPage):
 
 class AnkiWebView(QWebView):
 
-    def __init__(self):
+    def __init__(self, isCardViewer=False):
         QWebView.__init__(self)
         self.setRenderHints(
             QPainter.TextAntialiasing |
@@ -59,6 +59,7 @@ class AnkiWebView(QWebView):
         self.allowDrops = False
         # reset each time new html is set; used to detect if still in same state
         self.key = None
+        self.setCardViewer(isCardViewer)
 
     def keyPressEvent(self, evt):
         if evt.matches(QKeySequence.Copy):
@@ -78,9 +79,7 @@ class AnkiWebView(QWebView):
         QWebView.keyReleaseEvent(self, evt)
 
     def contextMenuEvent(self, evt):
-        # lazy: only run in reviewer
-        import aqt
-        if aqt.mw.state != "review":
+        if not self.isCardViewer:
             return
         m = QMenu(self)
         a = m.addAction(_("Copy"))
@@ -131,6 +130,16 @@ button {
     def setBridge(self, bridge):
         self._bridge.setBridge(bridge)
 
+    def setCardViewer(self, isCardViewer=False):
+        """Set flag to denote if this WebView should follow rules specific to
+        card display (e.g., allow context menu, copy/paste)"""
+        
+        self.isCardViewer = isCardViewer
+        if self.isCardViewer:
+            self.setFocusPolicy(Qt.WheelFocus)
+        else:
+            self.setFocusPolicy(Qt.NoFocus)
+
     def eval(self, js):
         self.page().mainFrame().evaluateJavaScript(js)