Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Helpviewer/UrlBar/FavIconLabel.py	Sun Oct 03 18:39:11 2010 +0200
@@ -0,0 +1,87 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2010 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the label to show the web site icon.
+"""
+
+from PyQt4.QtCore import Qt, QPoint, QUrl, QMimeData
+from PyQt4.QtGui import QLabel, QApplication, QDrag
+
+import Helpviewer.HelpWindow
+
+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)
+        """
+        QLabel.__init__(self, 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.
+        """
+        url = QUrl()
+        if self.__browser:
+            url = self.__browser.url()
+        self.setPixmap(Helpviewer.HelpWindow.HelpWindow.icon(url).pixmap(16, 16))
+    
+    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)
+    
+    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()
+        QLabel.mousePressEvent(self, 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_()