Simplify selection handling and remove QUTE_SELECTED_HTML

It was broken at least since caret support was introduced and it was only
available for QtWebKit anyways, so let's just drop it. This also makes the tab
API a bit simpler.

doc/changelog.asciidoc

@@ -55,6 +55,12 @@ Fixed
 - `:bookmark-add "" foo` can now be used to save the current URL with a custom
   title.
 
+Removed
+~~~~~~~
+
+- `QUTE_SELECTED_HTML` is now not set for userscripts anymore except when called
+  via hints.
+
 v1.1.1
 ------
 

doc/userscripts.asciidoc

@@ -45,8 +45,6 @@ In `command` mode:
 - `QUTE_URL`: The current URL.
 - `QUTE_TITLE`: The title of the current page.
 - `QUTE_SELECTED_TEXT`: The text currently selected on the page.
-- `QUTE_SELECTED_HTML` The HTML currently selected on the page (not supported
-  with QtWebEngine).
 
 In `hints` mode:
 

qutebrowser/browser/browsertab.py

@@ -392,7 +392,7 @@ class AbstractCaret(QObject):
     def drop_selection(self):
         raise NotImplementedError
 
-    def selection(self, html=False, callback=None):
+    def selection(self, callback=None):
         raise NotImplementedError
 
     def follow_selected(self, *, tab=False):

qutebrowser/browser/commands.py

@@ -1260,21 +1260,15 @@ class CommandDispatcher:
         """
         env = {
             'QUTE_MODE': 'command',
+            'QUTE_SELECTED_TEXT': selection,
         }
 
         idx = self._current_index()
         if idx != -1:
             env['QUTE_TITLE'] = self._tabbed_browser.page_title(idx)
 
-        tab = self._tabbed_browser.currentWidget()
-        if tab is not None:
-            env['QUTE_SELECTED_TEXT'] = selection
-            try:
-                env['QUTE_SELECTED_HTML'] = tab.caret.selection(html=True)
-            except browsertab.UnsupportedOperationError:
-                pass
-
         # FIXME:qtwebengine: If tab is None, run_async will fail!
+        tab = self._tabbed_browser.currentWidget()
 
         try:
             url = self._tabbed_browser.current_url()

qutebrowser/browser/webengine/webenginetab.py

@@ -289,9 +289,7 @@ class WebEngineCaret(browsertab.AbstractCaret):
     def drop_selection(self):
         self._js_call('dropSelection')
 
-    def selection(self, html=False, callback=None):
+    def selection(self, callback=None):
-        if html:
-            raise browsertab.UnsupportedOperationError
         # Not using selectedText() as WORKAROUND for
         # https://bugreports.qt.io/browse/QTBUG-53134
         # Even on Qt 5.10 selectedText() seems to work poorly, see

qutebrowser/browser/webkit/webkittab.py

@@ -188,7 +188,7 @@ class WebKitCaret(browsertab.AbstractCaret):
 
         settings = self._widget.settings()
         settings.setAttribute(QWebSettings.CaretBrowsingEnabled, True)
-        self.selection_enabled = bool(self._selection())
+        self.selection_enabled = self._widget.hasSelection()
 
         if self._widget.isVisible():
             # Sometimes the caret isn't immediately visible, but unfocusing
@@ -360,14 +360,8 @@ class WebKitCaret(browsertab.AbstractCaret):
     def drop_selection(self):
         self._widget.triggerPageAction(QWebPage.MoveToNextChar)
 
-    def selection(self, html=False, callback=False):
+    def selection(self, callback):
-        callback(self._selection(html))
+        callback(self._widget.selectedText())
-
-    def _selection(self, html=False):
-        if html:
-            return self._widget.selectedHtml()
-        else:
-            return self._widget.selectedText()
 
     def follow_selected(self, *, tab=False):
         if QWebSettings.globalSettings().testAttribute(
@@ -377,7 +371,7 @@ class WebKitCaret(browsertab.AbstractCaret):
             self._tab.run_js_async(
                 'window.getSelection().anchorNode.parentNode.click()')
         else:
-            selection = self._selection(html=True)
+            selection = self._widget.selectedHtml()
             if not selection:
                 return
             try: