Mercurial Repositories > eric / file comparison
comparison: eric6/E5Gui/E5Application.py
eric6/E5Gui/E5Application.py
- changeset 7493
- 1696e91a5393
- parent 7360
- 9190402e4505
- child 7502
- 426f64d419f0
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| 7492:39e3ed0bc0c6 | 7493:1696e91a5393 |
|---|---|
| 7 Class implementing a specialized application class. | 7 Class implementing a specialized application class. |
| 8 """ | 8 """ |
| 9 | 9 |
| 10 | 10 |
| 11 from PyQt5.QtCore import Qt, QCoreApplication | 11 from PyQt5.QtCore import Qt, QCoreApplication |
| 12 from PyQt5.QtGui import QPalette | |
| 12 from PyQt5.QtWidgets import QApplication | 13 from PyQt5.QtWidgets import QApplication |
| 13 | 14 |
| 14 | 15 |
| 15 class E5Application(QApplication): | 16 class E5Application(QApplication): |
| 16 """ | 17 """ |
| 19 def __init__(self, argv): | 20 def __init__(self, argv): |
| 20 """ | 21 """ |
| 21 Constructor | 22 Constructor |
| 22 | 23 |
| 23 @param argv command line arguments | 24 @param argv command line arguments |
| 25 @type list | |
| 24 """ | 26 """ |
| 25 try: | 27 try: |
| 26 QCoreApplication.setAttribute(Qt.AA_EnableHighDpiScaling) | 28 QCoreApplication.setAttribute(Qt.AA_EnableHighDpiScaling) |
| 27 # __IGNORE_EXCEPTION__ | 29 # __IGNORE_EXCEPTION__ |
| 28 except AttributeError: | 30 except AttributeError: |
| 42 except AttributeError: | 44 except AttributeError: |
| 43 pass | 45 pass |
| 44 | 46 |
| 45 self.__objectRegistry = {} | 47 self.__objectRegistry = {} |
| 46 self.__pluginObjectRegistry = {} | 48 self.__pluginObjectRegistry = {} |
| 47 | 49 |
| 48 def registerObject(self, name, objectRef): | 50 def registerObject(self, name, objectRef): |
| 49 """ | 51 """ |
| 50 Public method to register an object in the object registry. | 52 Public method to register an object in the object registry. |
| 51 | 53 |
| 52 @param name name of the object (string) | 54 @param name name of the object |
| 55 @type str | |
| 53 @param objectRef reference to the object | 56 @param objectRef reference to the object |
| 57 @type any | |
| 54 @exception KeyError raised when the given name is already in use | 58 @exception KeyError raised when the given name is already in use |
| 55 """ | 59 """ |
| 56 if name in self.__objectRegistry: | 60 if name in self.__objectRegistry: |
| 57 raise KeyError('Object "{0}" already registered.'.format(name)) | 61 raise KeyError('Object "{0}" already registered.'.format(name)) |
| 58 else: | 62 else: |
| 59 self.__objectRegistry[name] = objectRef | 63 self.__objectRegistry[name] = objectRef |
| 60 | 64 |
| 61 def getObject(self, name): | 65 def getObject(self, name): |
| 62 """ | 66 """ |
| 63 Public method to get a reference to a registered object. | 67 Public method to get a reference to a registered object. |
| 64 | 68 |
| 65 @param name name of the object (string) | 69 @param name name of the object |
| 70 @type str | |
| 66 @return reference to the registered object | 71 @return reference to the registered object |
| 72 @type any | |
| 67 @exception KeyError raised when the given name is not known | 73 @exception KeyError raised when the given name is not known |
| 68 """ | 74 """ |
| 69 if name in self.__objectRegistry: | 75 if name in self.__objectRegistry: |
| 70 return self.__objectRegistry[name] | 76 return self.__objectRegistry[name] |
| 71 else: | 77 else: |
| 72 raise KeyError('Object "{0}" is not registered.'.format(name)) | 78 raise KeyError('Object "{0}" is not registered.'.format(name)) |
| 73 | 79 |
| 74 def registerPluginObject(self, name, objectRef, pluginType=None): | 80 def registerPluginObject(self, name, objectRef, pluginType=None): |
| 75 """ | 81 """ |
| 76 Public method to register a plugin object in the object registry. | 82 Public method to register a plugin object in the object registry. |
| 77 | 83 |
| 78 @param name name of the plugin object (string) | 84 @param name name of the plugin object |
| 85 @type str | |
| 79 @param objectRef reference to the plugin object | 86 @param objectRef reference to the plugin object |
| 80 @keyparam pluginType type of the plugin object (string) | 87 @type any |
| 88 @param pluginType type of the plugin object | |
| 89 @type str | |
| 81 @exception KeyError raised when the given name is already in use | 90 @exception KeyError raised when the given name is already in use |
| 82 """ | 91 """ |
| 83 if name in self.__pluginObjectRegistry: | 92 if name in self.__pluginObjectRegistry: |
| 84 raise KeyError( | 93 raise KeyError( |
| 85 'Pluginobject "{0}" already registered.'.format(name)) | 94 'Pluginobject "{0}" already registered.'.format(name)) |
| 86 else: | 95 else: |
| 87 self.__pluginObjectRegistry[name] = (objectRef, pluginType) | 96 self.__pluginObjectRegistry[name] = (objectRef, pluginType) |
| 88 | 97 |
| 89 def unregisterPluginObject(self, name): | 98 def unregisterPluginObject(self, name): |
| 90 """ | 99 """ |
| 91 Public method to unregister a plugin object in the object registry. | 100 Public method to unregister a plugin object in the object registry. |
| 92 | 101 |
| 93 @param name name of the plugin object (string) | 102 @param name name of the plugin object |
| 103 @type str | |
| 94 """ | 104 """ |
| 95 if name in self.__pluginObjectRegistry: | 105 if name in self.__pluginObjectRegistry: |
| 96 del self.__pluginObjectRegistry[name] | 106 del self.__pluginObjectRegistry[name] |
| 97 | 107 |
| 98 def getPluginObject(self, name): | 108 def getPluginObject(self, name): |
| 99 """ | 109 """ |
| 100 Public method to get a reference to a registered plugin object. | 110 Public method to get a reference to a registered plugin object. |
| 101 | 111 |
| 102 @param name name of the plugin object (string) | 112 @param name name of the plugin object |
| 113 @type str | |
| 103 @return reference to the registered plugin object | 114 @return reference to the registered plugin object |
| 115 @rtype any | |
| 104 @exception KeyError raised when the given name is not known | 116 @exception KeyError raised when the given name is not known |
| 105 """ | 117 """ |
| 106 if name in self.__pluginObjectRegistry: | 118 if name in self.__pluginObjectRegistry: |
| 107 return self.__pluginObjectRegistry[name][0] | 119 return self.__pluginObjectRegistry[name][0] |
| 108 else: | 120 else: |
| 109 raise KeyError( | 121 raise KeyError( |
| 110 'Pluginobject "{0}" is not registered.'.format(name)) | 122 'Pluginobject "{0}" is not registered.'.format(name)) |
| 111 | 123 |
| 112 def getPluginObjects(self): | 124 def getPluginObjects(self): |
| 113 """ | 125 """ |
| 114 Public method to get a list of (name, reference) pairs of all | 126 Public method to get a list of (name, reference) pairs of all |
| 115 registered plugin objects. | 127 registered plugin objects. |
| 116 | 128 |
| 117 @return list of (name, reference) pairs | 129 @return list of (name, reference) pairs |
| 130 @rtype list of (str, any) | |
| 118 """ | 131 """ |
| 119 objects = [] | 132 objects = [] |
| 120 for name in self.__pluginObjectRegistry: | 133 for name in self.__pluginObjectRegistry: |
| 121 objects.append((name, self.__pluginObjectRegistry[name][0])) | 134 objects.append((name, self.__pluginObjectRegistry[name][0])) |
| 122 return objects | 135 return objects |
| 123 | 136 |
| 124 def getPluginObjectType(self, name): | 137 def getPluginObjectType(self, name): |
| 125 """ | 138 """ |
| 126 Public method to get the type of a registered plugin object. | 139 Public method to get the type of a registered plugin object. |
| 127 | 140 |
| 128 @param name name of the plugin object (string) | 141 @param name name of the plugin object |
| 129 @return type of the plugin object (string) | 142 @type str |
| 143 @return type of the plugin object | |
| 144 @rtype str | |
| 130 @exception KeyError raised when the given name is not known | 145 @exception KeyError raised when the given name is not known |
| 131 """ | 146 """ |
| 132 if name in self.__pluginObjectRegistry: | 147 if name in self.__pluginObjectRegistry: |
| 133 return self.__pluginObjectRegistry[name][1] | 148 return self.__pluginObjectRegistry[name][1] |
| 134 else: | 149 else: |
| 135 raise KeyError( | 150 raise KeyError( |
| 136 'Pluginobject "{0}" is not registered.'.format(name)) | 151 'Pluginobject "{0}" is not registered.'.format(name)) |
| 152 | |
| 153 def usesDarkPalette(self): | |
| 154 """ | |
| 155 Public method to check, if the application uses a palette with a dark | |
| 156 background. | |
| 157 | |
| 158 @return flag indicating the use of a palette with a dark background | |
| 159 @rtype bool | |
| 160 """ | |
| 161 palette = self.palette() | |
| 162 lightness = palette.color(QPalette.Window).lightness() | |
| 163 return lightness <= 128 | |
| 137 | 164 |
| 138 e5App = QCoreApplication.instance | 165 e5App = QCoreApplication.instance |
