Merge pull request ipython#2467 from detrout/clickable-links

Qt console: Add "Open Link" & "Copy Link Address" to right click menu.

IPython/frontend/qt/console/console_widget.py

@@ -10,6 +10,7 @@
 import sys
 from textwrap import dedent
 from unicodedata import category
+import webbrowser
 
 # System library imports
 from IPython.external.qt import QtCore, QtGui
@@ -432,6 +433,11 @@ def eventFilter(self, obj, event):
                 obj == self._page_control:
             self._page_control.repaint()
             return True
+
+        elif etype == QtCore.QEvent.MouseMove:
+            anchor = self._control.anchorAt(event.pos())
+            QtGui.QToolTip.showText(event.globalPos(), anchor)
+
         return super(ConsoleWidget, self).eventFilter(obj, event)
 
     #---------------------------------------------------------------------------
@@ -511,6 +517,11 @@ def copy(self):
         """
         self.layout().currentWidget().copy()
 
+    def copy_anchor(self, anchor):
+        """ Copy anchor text to the clipboard
+        """
+        QtGui.QApplication.clipboard().setText(anchor)
+
     def cut(self):
         """ Copy the currently selected text to the clipboard and delete it
             if it's inside the input buffer.
@@ -678,6 +689,11 @@ def _set_font(self, font):
 
     font = property(_get_font, _set_font)
 
+    def open_anchor(self, anchor):
+        """ Open selected anchor in the default webbrowser
+        """
+        webbrowser.open( anchor )
+
     def paste(self, mode=QtGui.QClipboard.Clipboard):
         """ Paste the contents of the clipboard into the input region.
 
@@ -971,6 +987,14 @@ def _context_menu_make(self, pos):
         self.paste_action.setEnabled(self.can_paste())
         self.paste_action.setShortcut(QtGui.QKeySequence.Paste)
 
+        anchor = self._control.anchorAt(pos)
+        if anchor:
+            menu.addSeparator()
+            self.copy_link_action = menu.addAction(
+                'Copy Link Address', lambda: self.copy_anchor(anchor=anchor))
+            self.open_link_action = menu.addAction(
+                'Open Link', lambda: self.open_anchor(anchor=anchor))
+
         menu.addSeparator()
         menu.addAction(self.select_all_action)
 
@@ -1009,6 +1033,7 @@ def _create_control(self):
         elif self.kind == 'rich':
             control = QtGui.QTextEdit()
             control.setAcceptRichText(False)
+            control.setMouseTracking(True)
 
         # Install event filters. The filter on the viewport is needed for
         # mouse events and drag events.

IPython/frontend/qt/console/tests/test_console_widget.py

@@ -2,7 +2,7 @@
 import unittest
 
 # System library imports
-from IPython.external.qt import QtGui
+from IPython.external.qt import QtCore, QtGui
 
 # Local imports
 from IPython.frontend.qt.console.console_widget import ConsoleWidget
@@ -40,3 +40,41 @@ def test_special_characters(self):
             self.assertEqual(expected_outputs[i], selection)
             # clear all the text
             cursor.insertText('')
+
+    def test_link_handling(self):
+        noKeys = QtCore.Qt
+        noButton = QtCore.Qt.MouseButton(0)
+        noButtons = QtCore.Qt.MouseButtons(0)
+        noModifiers = QtCore.Qt.KeyboardModifiers(0)
+        MouseMove = QtCore.QEvent.MouseMove
+        QMouseEvent = QtGui.QMouseEvent
+
+        w = ConsoleWidget()
+        cursor = w._get_prompt_cursor()
+        w._insert_html(cursor, '<a href="http://python.org">written in</a>')
+        obj = w._control
+        tip = QtGui.QToolTip
+        self.assertEqual(tip.text(), u'')
+
+        # should be somewhere else
+        elsewhereEvent = QMouseEvent(MouseMove, QtCore.QPoint(50,50),
+                                     noButton, noButtons, noModifiers)
+        w.eventFilter(obj, elsewhereEvent)
+        self.assertEqual(tip.isVisible(), False)
+        self.assertEqual(tip.text(), u'')
+
+        #self.assertEqual(tip.text(), u'')
+        # should be over text
+        overTextEvent = QMouseEvent(MouseMove, QtCore.QPoint(1,5),
+                                    noButton, noButtons, noModifiers)
+        w.eventFilter(obj, overTextEvent)
+        self.assertEqual(tip.isVisible(), True)
+        self.assertEqual(tip.text(), "http://python.org")
+
+        # should still be over text
+        stillOverTextEvent = QMouseEvent(MouseMove, QtCore.QPoint(1,5),
+                                         noButton, noButtons, noModifiers)
+        w.eventFilter(obj, stillOverTextEvent)
+        self.assertEqual(tip.isVisible(), True)
+        self.assertEqual(tip.text(), "http://python.org")
+