Mercurial Repositories > eric / file comparison
comparison: Helpviewer/OpenSearch/OpenSearchEngineAction.py
Helpviewer/OpenSearch/OpenSearchEngineAction.py
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- de9c2efb9d02
- child 13
- 1af94a91f439
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a QAction subclass for open search. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import SIGNAL, QUrl | |
| 11 from PyQt4.QtGui import QPixmap, QIcon, QAction | |
| 12 | |
| 13 import Helpviewer.HelpWindow | |
| 14 | |
| 15 class OpenSearchEngineAction(QAction): | |
| 16 """ | |
| 17 Class implementing a QAction subclass for open search. | |
| 18 """ | |
| 19 def __init__(self, engine, parent = None): | |
| 20 """ | |
| 21 Constructor | |
| 22 | |
| 23 @param engine reference to the open search engine object (OpenSearchEngine) | |
| 24 @param parent reference to the parent object (QObject) | |
| 25 """ | |
| 26 QAction.__init__(self, parent) | |
| 27 | |
| 28 self.__engine = engine | |
| 29 if self.__engine.networkAccessManager() is None: | |
| 30 self.__engine.setNetworkAccessManager( | |
| 31 Helpviewer.HelpWindow.HelpWindow.networkAccessManager()) | |
| 32 | |
| 33 self.setText(engine.name()) | |
| 34 self.__imageChanged() | |
| 35 | |
| 36 self.connect(engine, SIGNAL("imageChanged()"), self.__imageChanged) | |
| 37 | |
| 38 def __imageChanged(self): | |
| 39 """ | |
| 40 Private slot handling a change of the associated image. | |
| 41 """ | |
| 42 image = self.__engine.image() | |
| 43 if image.isNull(): | |
| 44 self.setIcon( | |
| 45 Helpviewer.HelpWindow.HelpWindow.icon(QUrl(self.__engine.imageUrl()))) | |
| 46 else: | |
| 47 self.setIcon(QIcon(QPixmap.fromImage(image))) |
