Mercurial Repositories > eric / file comparison
comparison: eric6/E5Gui/E5Application.py
eric6/E5Gui/E5Application.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
- child 7229
- 53054eb5b15a
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Class implementing a specialized application class. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import Qt, QCoreApplication | |
| 13 from PyQt5.QtWidgets import QApplication | |
| 14 | |
| 15 | |
| 16 class E5Application(QApplication): | |
| 17 """ | |
| 18 Eric application class with an object registry. | |
| 19 """ | |
| 20 def __init__(self, argv): | |
| 21 """ | |
| 22 Constructor | |
| 23 | |
| 24 @param argv command line arguments | |
| 25 """ | |
| 26 try: | |
| 27 QCoreApplication.setAttribute(Qt.AA_EnableHighDpiScaling) | |
| 28 # __IGNORE_EXCEPTION__ | |
| 29 except AttributeError: | |
| 30 pass | |
| 31 try: | |
| 32 QCoreApplication.setAttribute(Qt.AA_ShareOpenGLContexts) | |
| 33 # __IGNORE_EXCEPTION__ | |
| 34 except AttributeError: | |
| 35 pass | |
| 36 | |
| 37 super(E5Application, self).__init__(argv) | |
| 38 | |
| 39 QCoreApplication.setAttribute(Qt.AA_DontCreateNativeWidgetSiblings) | |
| 40 try: | |
| 41 QCoreApplication.setAttribute(Qt.AA_UseHighDpiPixmaps) | |
| 42 # __IGNORE_EXCEPTION__ | |
| 43 except AttributeError: | |
| 44 pass | |
| 45 | |
| 46 self.__objectRegistry = {} | |
| 47 self.__pluginObjectRegistry = {} | |
| 48 | |
| 49 def registerObject(self, name, objectRef): | |
| 50 """ | |
| 51 Public method to register an object in the object registry. | |
| 52 | |
| 53 @param name name of the object (string) | |
| 54 @param objectRef reference to the object | |
| 55 @exception KeyError raised when the given name is already in use | |
| 56 """ | |
| 57 if name in self.__objectRegistry: | |
| 58 raise KeyError('Object "{0}" already registered.'.format(name)) | |
| 59 else: | |
| 60 self.__objectRegistry[name] = objectRef | |
| 61 | |
| 62 def getObject(self, name): | |
| 63 """ | |
| 64 Public method to get a reference to a registered object. | |
| 65 | |
| 66 @param name name of the object (string) | |
| 67 @return reference to the registered object | |
| 68 @exception KeyError raised when the given name is not known | |
| 69 """ | |
| 70 if name in self.__objectRegistry: | |
| 71 return self.__objectRegistry[name] | |
| 72 else: | |
| 73 raise KeyError('Object "{0}" is not registered.'.format(name)) | |
| 74 | |
| 75 def registerPluginObject(self, name, objectRef, pluginType=None): | |
| 76 """ | |
| 77 Public method to register a plugin object in the object registry. | |
| 78 | |
| 79 @param name name of the plugin object (string) | |
| 80 @param objectRef reference to the plugin object | |
| 81 @keyparam pluginType type of the plugin object (string) | |
| 82 @exception KeyError raised when the given name is already in use | |
| 83 """ | |
| 84 if name in self.__pluginObjectRegistry: | |
| 85 raise KeyError( | |
| 86 'Pluginobject "{0}" already registered.'.format(name)) | |
| 87 else: | |
| 88 self.__pluginObjectRegistry[name] = (objectRef, pluginType) | |
| 89 | |
| 90 def unregisterPluginObject(self, name): | |
| 91 """ | |
| 92 Public method to unregister a plugin object in the object registry. | |
| 93 | |
| 94 @param name name of the plugin object (string) | |
| 95 """ | |
| 96 if name in self.__pluginObjectRegistry: | |
| 97 del self.__pluginObjectRegistry[name] | |
| 98 | |
| 99 def getPluginObject(self, name): | |
| 100 """ | |
| 101 Public method to get a reference to a registered plugin object. | |
| 102 | |
| 103 @param name name of the plugin object (string) | |
| 104 @return reference to the registered plugin object | |
| 105 @exception KeyError raised when the given name is not known | |
| 106 """ | |
| 107 if name in self.__pluginObjectRegistry: | |
| 108 return self.__pluginObjectRegistry[name][0] | |
| 109 else: | |
| 110 raise KeyError( | |
| 111 'Pluginobject "{0}" is not registered.'.format(name)) | |
| 112 | |
| 113 def getPluginObjects(self): | |
| 114 """ | |
| 115 Public method to get a list of (name, reference) pairs of all | |
| 116 registered plugin objects. | |
| 117 | |
| 118 @return list of (name, reference) pairs | |
| 119 """ | |
| 120 objects = [] | |
| 121 for name in self.__pluginObjectRegistry: | |
| 122 objects.append((name, self.__pluginObjectRegistry[name][0])) | |
| 123 return objects | |
| 124 | |
| 125 def getPluginObjectType(self, name): | |
| 126 """ | |
| 127 Public method to get the type of a registered plugin object. | |
| 128 | |
| 129 @param name name of the plugin object (string) | |
| 130 @return type of the plugin object (string) | |
| 131 @exception KeyError raised when the given name is not known | |
| 132 """ | |
| 133 if name in self.__pluginObjectRegistry: | |
| 134 return self.__pluginObjectRegistry[name][1] | |
| 135 else: | |
| 136 raise KeyError( | |
| 137 'Pluginobject "{0}" is not registered.'.format(name)) | |
| 138 | |
| 139 e5App = QCoreApplication.instance |
