Keyboard preferences: Add highligh_group() method to ease embedding of keyboard prefs in plugin config dialogs

src/calibre/gui2/actions/__init__.py

@@ -149,11 +149,11 @@ class InterfaceAction(QObject):
             if shortcut_name is None and spec[0]:
                 shortcut_name = unicode(spec[0])
 
-            if shortcut_name and not (attr=='qaction' and self.popup_type ==
-                    QToolButton.InstantPopup):
+            if shortcut_name and self.action_spec[0] and not (
+                    attr == 'qaction' and self.popup_type == QToolButton.InstantPopup):
                 try:
                     self.gui.keyboard.register_shortcut(self.unique_name + ' - ' + attr,
-                        unicode(spec[0]), default_keys=keys,
+                        shortcut_name, default_keys=keys,
                         action=shortcut_action, description=desc,
                         group=self.action_spec[0])
                 except NameConflict as e:

src/calibre/gui2/keyboard.py

@@ -307,6 +307,18 @@ class ConfigModel(QAbstractItemModel, SearchQueryParser):
         return (self.index(ans[0], 0) if ans[1] < 0 else
                 self.index(ans[1], 0, self.index(ans[0], 0)))
 
+    def index_for_group(self, name):
+        for i in range(self.rowCount()):
+            node = self.data[i]
+            if node.data == name:
+                return self.index(i, 0)
+
+    @property
+    def group_names(self):
+        for i in range(self.rowCount()):
+            node = self.data[i]
+            yield node.data
+
 # }}}
 
 class Editor(QFrame): # {{{
@@ -632,6 +644,15 @@ class ShortcutConfig(QWidget): # {{{
             unicode(self.search.currentText()), backwards=True)
         self.highlight_index(idx)
 
+    def highlight_group(self, group_name):
+        idx = self.view.model().index_for_group(group_name)
+        if idx is not None:
+            self.view.expand(idx)
+            self.view.scrollTo(idx, self.view.PositionAtTop)
+            self.view.selectionModel().select(idx,
+                    self.view.selectionModel().ClearAndSelect)
+            self.view.setCurrentIndex(idx)
+            self.view.setFocus(Qt.OtherFocusReason)
 
 # }}}
 

src/calibre/gui2/preferences/keyboard.py

@@ -37,6 +37,9 @@ class ConfigWidget(ConfigWidgetBase):
     def refresh_gui(self, gui):
         gui.keyboard.finalize()
 
+    def highligh_group(self, group_name):
+        self.conf_widget.highlight_group(group_name)
+
 if __name__ == '__main__':
     from PyQt4.Qt import QApplication
     app = QApplication([])