Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebBrowser/UrlBar/FavIconLabel.py	Sun Feb 07 18:08:48 2016 +0100
@@ -0,0 +1,99 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2010 - 2016 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the label to show the web site icon.
+"""
+
+from __future__ import unicode_literals
+try:
+    str = unicode
+except NameError:
+    pass
+
+from PyQt5.QtCore import Qt, QPoint, QMimeData
+from PyQt5.QtGui import QDrag, QPixmap
+from PyQt5.QtWidgets import QLabel, QApplication
+
+
+class FavIconLabel(QLabel):
+    """
+    Class implementing the label to show the web site icon.
+    """
+    def __init__(self, parent=None):
+        """
+        Constructor
+        
+        @param parent reference to the parent widget (QWidget)
+        """
+        super(FavIconLabel, self).__init__(parent)
+        
+        self.__browser = None
+        self.__dragStartPos = QPoint()
+        
+        self.setFocusPolicy(Qt.NoFocus)
+        self.setCursor(Qt.ArrowCursor)
+        self.setMinimumSize(16, 16)
+        self.resize(16, 16)
+        
+        self.__browserIconChanged()
+    
+    def __browserIconChanged(self):
+        """
+        Private slot to set the icon.
+        """
+        if self.__browser:
+            self.setPixmap(
+                self.__browser.icon().pixmap(16, 16))
+    
+    def __clearIcon(self):
+        """
+        Private slot to clear the icon.
+        """
+        self.setPixmap(QPixmap())
+    
+    def setBrowser(self, browser):
+        """
+        Public method to set the browser connection.
+        
+        @param browser reference to the browser widegt (HelpBrowser)
+        """
+        self.__browser = browser
+        self.__browser.loadFinished.connect(self.__browserIconChanged)
+        self.__browser.iconChanged.connect(self.__browserIconChanged)
+        self.__browser.loadStarted.connect(self.__clearIcon)
+    
+    def mousePressEvent(self, evt):
+        """
+        Protected method to handle mouse press events.
+        
+        @param evt reference to the mouse event (QMouseEvent)
+        """
+        if evt.button() == Qt.LeftButton:
+            self.__dragStartPos = evt.pos()
+        super(FavIconLabel, self).mousePressEvent(evt)
+    
+    def mouseMoveEvent(self, evt):
+        """
+        Protected method to handle mouse move events.
+        
+        @param evt reference to the mouse event (QMouseEvent)
+        """
+        if evt.button() == Qt.LeftButton and \
+           (evt.pos() - self.__dragStartPos).manhattanLength() > \
+                QApplication.startDragDistance() and \
+           self.__browser is not None:
+            drag = QDrag(self)
+            mimeData = QMimeData()
+            title = self.__browser.title()
+            if title == "":
+                title = str(self.__browser.url().toEncoded(), encoding="utf-8")
+            mimeData.setText(title)
+            mimeData.setUrls([self.__browser.url()])
+            p = self.pixmap()
+            if p:
+                drag.setPixmap(p)
+            drag.setMimeData(mimeData)
+            drag.exec_()