Mercurial Repositories > eric / file comparison
comparison: eric6/Helpviewer/OpenSearch/OpenSearchEngineAction.py
eric6/Helpviewer/OpenSearch/OpenSearchEngineAction.py
- branch
- maintenance
- changeset 6989
- 8b8cadf8d7e9
- parent 6942
- 2602857055c5
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| 6938:7926553b7509 | 6989:8b8cadf8d7e9 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a QAction subclass for open search. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import QUrl | |
| 13 from PyQt5.QtGui import QPixmap, QIcon | |
| 14 from PyQt5.QtWidgets import QAction | |
| 15 | |
| 16 | |
| 17 class OpenSearchEngineAction(QAction): | |
| 18 """ | |
| 19 Class implementing a QAction subclass for open search. | |
| 20 """ | |
| 21 def __init__(self, engine, parent=None): | |
| 22 """ | |
| 23 Constructor | |
| 24 | |
| 25 @param engine reference to the open search engine object | |
| 26 (OpenSearchEngine) | |
| 27 @param parent reference to the parent object (QObject) | |
| 28 """ | |
| 29 super(OpenSearchEngineAction, self).__init__(parent) | |
| 30 | |
| 31 self.__engine = engine | |
| 32 if self.__engine.networkAccessManager() is None: | |
| 33 import Helpviewer.HelpWindow | |
| 34 self.__engine.setNetworkAccessManager( | |
| 35 Helpviewer.HelpWindow.HelpWindow.networkAccessManager()) | |
| 36 | |
| 37 self.setText(engine.name()) | |
| 38 self.__imageChanged() | |
| 39 | |
| 40 engine.imageChanged.connect(self.__imageChanged) | |
| 41 | |
| 42 def __imageChanged(self): | |
| 43 """ | |
| 44 Private slot handling a change of the associated image. | |
| 45 """ | |
| 46 image = self.__engine.image() | |
| 47 if image.isNull(): | |
| 48 import Helpviewer.HelpWindow | |
| 49 self.setIcon( | |
| 50 Helpviewer.HelpWindow.HelpWindow.icon( | |
| 51 QUrl(self.__engine.imageUrl()))) | |
| 52 else: | |
| 53 self.setIcon(QIcon(QPixmap.fromImage(image))) |
