Mercurial Repositories > eric / file diff

--- a/eric6/E5Gui/E5Application.py	Wed Apr 01 19:50:41 2020 +0200
+++ b/eric6/E5Gui/E5Application.py	Fri Apr 03 17:43:01 2020 +0200
@@ -9,6 +9,7 @@
 
 
 from PyQt5.QtCore import Qt, QCoreApplication
+from PyQt5.QtGui import QPalette
 from PyQt5.QtWidgets import QApplication
 
 
@@ -21,6 +22,7 @@
         Constructor
         
         @param argv command line arguments
+        @type list
         """
         try:
             QCoreApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
@@ -44,40 +46,47 @@
         
         self.__objectRegistry = {}
         self.__pluginObjectRegistry = {}
-        
+    
     def registerObject(self, name, objectRef):
         """
         Public method to register an object in the object registry.
         
-        @param name name of the object (string)
+        @param name name of the object
+        @type str
         @param objectRef reference to the object
+        @type any
         @exception KeyError raised when the given name is already in use
         """
         if name in self.__objectRegistry:
             raise KeyError('Object "{0}" already registered.'.format(name))
         else:
             self.__objectRegistry[name] = objectRef
-        
+    
     def getObject(self, name):
         """
         Public method to get a reference to a registered object.
         
-        @param name name of the object (string)
+        @param name name of the object
+        @type str
         @return reference to the registered object
+        @type any
         @exception KeyError raised when the given name is not known
         """
         if name in self.__objectRegistry:
             return self.__objectRegistry[name]
         else:
             raise KeyError('Object "{0}" is not registered.'.format(name))
-        
+    
     def registerPluginObject(self, name, objectRef, pluginType=None):
         """
         Public method to register a plugin object in the object registry.
         
-        @param name name of the plugin object (string)
+        @param name name of the plugin object
+        @type str
         @param objectRef reference to the plugin object
-        @keyparam pluginType type of the plugin object (string)
+        @type any
+        @param pluginType type of the plugin object
+        @type str
         @exception KeyError raised when the given name is already in use
         """
         if name in self.__pluginObjectRegistry:
@@ -85,22 +94,25 @@
                 'Pluginobject "{0}" already registered.'.format(name))
         else:
             self.__pluginObjectRegistry[name] = (objectRef, pluginType)
-        
+    
     def unregisterPluginObject(self, name):
         """
         Public method to unregister a plugin object in the object registry.
         
-        @param name name of the plugin object (string)
+        @param name name of the plugin object
+        @type str
         """
         if name in self.__pluginObjectRegistry:
             del self.__pluginObjectRegistry[name]
-        
+    
     def getPluginObject(self, name):
         """
         Public method to get a reference to a registered plugin object.
         
-        @param name name of the plugin object (string)
+        @param name name of the plugin object
+        @type str
         @return reference to the registered plugin object
+        @rtype any
         @exception KeyError raised when the given name is not known
         """
         if name in self.__pluginObjectRegistry:
@@ -108,25 +120,28 @@
         else:
             raise KeyError(
                 'Pluginobject "{0}" is not registered.'.format(name))
-        
+    
     def getPluginObjects(self):
         """
         Public method to get a list of (name, reference) pairs of all
         registered plugin objects.
         
         @return list of (name, reference) pairs
+        @rtype list of (str, any)
         """
         objects = []
         for name in self.__pluginObjectRegistry:
             objects.append((name, self.__pluginObjectRegistry[name][0]))
         return objects
-        
+    
     def getPluginObjectType(self, name):
         """
         Public method to get the type of a registered plugin object.
         
-        @param name name of the plugin object (string)
-        @return type of the plugin object (string)
+        @param name name of the plugin object
+        @type str
+        @return type of the plugin object
+        @rtype str
         @exception KeyError raised when the given name is not known
         """
         if name in self.__pluginObjectRegistry:
@@ -134,5 +149,17 @@
         else:
             raise KeyError(
                 'Pluginobject "{0}" is not registered.'.format(name))
+    
+    def usesDarkPalette(self):
+        """
+        Public method to check, if the application uses a palette with a dark
+        background.
+        
+        @return flag indicating the use of a palette with a dark background
+        @rtype bool
+        """
+        palette = self.palette()
+        lightness = palette.color(QPalette.Window).lightness()
+        return lightness <= 128
 
 e5App = QCoreApplication.instance