Mercurial Repositories > eric / file comparison
comparison: Helpviewer/UrlBar/FavIconLabel.py
Helpviewer/UrlBar/FavIconLabel.py
- changeset 653
- 0540f3c52b46
- child 791
- 9ec2ac20e54e
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| 651:e8020b9ac2b9 | 653:0540f3c52b46 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the label to show the web site icon. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import Qt, QPoint, QUrl, QMimeData | |
| 11 from PyQt4.QtGui import QLabel, QApplication, QDrag | |
| 12 | |
| 13 import Helpviewer.HelpWindow | |
| 14 | |
| 15 class FavIconLabel(QLabel): | |
| 16 """ | |
| 17 Class implementing the label to show the web site icon. | |
| 18 """ | |
| 19 def __init__(self, parent = None): | |
| 20 """ | |
| 21 Constructor | |
| 22 | |
| 23 @param parent reference to the parent widget (QWidget) | |
| 24 """ | |
| 25 QLabel.__init__(self, parent) | |
| 26 | |
| 27 self.__browser = None | |
| 28 self.__dragStartPos = QPoint() | |
| 29 | |
| 30 self.setFocusPolicy(Qt.NoFocus) | |
| 31 self.setCursor(Qt.ArrowCursor) | |
| 32 self.setMinimumSize(16, 16) | |
| 33 self.resize(16, 16) | |
| 34 | |
| 35 self.__browserIconChanged() | |
| 36 | |
| 37 def __browserIconChanged(self): | |
| 38 """ | |
| 39 Private slot to set the icon. | |
| 40 """ | |
| 41 url = QUrl() | |
| 42 if self.__browser: | |
| 43 url = self.__browser.url() | |
| 44 self.setPixmap(Helpviewer.HelpWindow.HelpWindow.icon(url).pixmap(16, 16)) | |
| 45 | |
| 46 def setBrowser(self, browser): | |
| 47 """ | |
| 48 Public method to set the browser connection. | |
| 49 | |
| 50 @param browser reference to the browser widegt (HelpBrowser) | |
| 51 """ | |
| 52 self.__browser = browser | |
| 53 self.__browser.loadFinished.connect(self.__browserIconChanged) | |
| 54 self.__browser.iconChanged.connect(self.__browserIconChanged) | |
| 55 | |
| 56 def mousePressEvent(self, evt): | |
| 57 """ | |
| 58 Protected method to handle mouse press events. | |
| 59 | |
| 60 @param evt reference to the mouse event (QMouseEvent) | |
| 61 """ | |
| 62 if evt.button() == Qt.LeftButton: | |
| 63 self.__dragStartPos = evt.pos() | |
| 64 QLabel.mousePressEvent(self, evt) | |
| 65 | |
| 66 def mouseMoveEvent(self, evt): | |
| 67 """ | |
| 68 Protected method to handle mouse move events. | |
| 69 | |
| 70 @param evt reference to the mouse event (QMouseEvent) | |
| 71 """ | |
| 72 if evt.button() == Qt.LeftButton and \ | |
| 73 (evt.pos() - self.__dragStartPos).manhattanLength() > \ | |
| 74 QApplication.startDragDistance() and \ | |
| 75 self.__browser is not None: | |
| 76 drag = QDrag(self) | |
| 77 mimeData = QMimeData() | |
| 78 title = self.__browser.title() | |
| 79 if title == "": | |
| 80 title = str(self.__browser.url().toEncoded(), encoding = "utf-8") | |
| 81 mimeData.setText(title) | |
| 82 mimeData.setUrls([self.__browser.url()]) | |
| 83 p = self.pixmap() | |
| 84 if p: | |
| 85 drag.setPixmap(p) | |
| 86 drag.setMimeData(mimeData) | |
| 87 drag.exec_() |
