diff -r e9e7eca7efee -r bf71ee032bb4 src/eric7/WebBrowser/SpeedDial/PageThumbnailer.py
--- a/src/eric7/WebBrowser/SpeedDial/PageThumbnailer.py Wed Jul 13 11:16:20 2022 +0200
+++ b/src/eric7/WebBrowser/SpeedDial/PageThumbnailer.py Wed Jul 13 14:55:47 2022 +0200
@@ -15,118 +15,120 @@
class PageThumbnailer(QObject):
"""
Class implementing a thumbnail creator for web sites.
-
+
@signal thumbnailCreated(QPixmap) emitted after the thumbnail has been
created
"""
+
thumbnailCreated = pyqtSignal(QPixmap)
-
+
def __init__(self, parent=None):
"""
Constructor
-
+
@param parent reference to the parent object (QObject)
"""
super().__init__(parent)
-
+
self.__size = QSize(231, 130)
self.__loadTitle = False
self.__title = ""
self.__url = QUrl()
-
+
self.__view = QWebEngineView()
self.__view.setAttribute(Qt.WidgetAttribute.WA_DontShowOnScreen)
self.__view.resize(1920, 1080)
self.__view.show()
-
+
def setSize(self, size):
"""
Public method to set the size of the image.
-
+
@param size size of the image (QSize)
"""
if size.isValid():
self.__size = QSize(size)
-
+
def setUrl(self, url):
"""
Public method to set the URL of the site to be thumbnailed.
-
+
@param url URL of the web site (QUrl)
"""
if url.isValid():
self.__url = QUrl(url)
-
+
def url(self):
"""
Public method to get the URL of the thumbnail.
-
+
@return URL of the thumbnail (QUrl)
"""
return QUrl(self.__url)
-
+
def loadTitle(self):
"""
Public method to check, if the title is loaded from the web site.
-
+
@return flag indicating, that the title is loaded (boolean)
"""
return self.__loadTitle
-
+
def setLoadTitle(self, load):
"""
Public method to set a flag indicating to load the title from
the web site.
-
+
@param load flag indicating to load the title (boolean)
"""
self.__loadTitle = load
-
+
def title(self):
"""
Public method to get the title of the thumbnail.
-
+
@return title of the thumbnail (string)
"""
title = self.__title if self.__title else self.__url.host()
if not title:
title = self.__url.toString()
return title
-
+
def start(self):
"""
Public method to start the thumbnailing action.
"""
self.__view.loadFinished.connect(self.__createThumbnail)
self.__view.load(self.__url)
-
+
def __createThumbnail(self, status):
"""
Private slot creating the thumbnail of the web site.
-
+
@param status flag indicating a successful load of the web site
(boolean)
"""
if not status:
self.thumbnailCreated.emit(QPixmap())
return
-
+
QTimer.singleShot(1000, self.__grabThumbnail)
-
+
def __grabThumbnail(self):
"""
Private slot to grab the thumbnail image from the view.
"""
self.__title = self.__view.title()
-
+
image = QImage(self.__view.size(), QImage.Format.Format_ARGB32)
painter = QPainter(image)
self.__view.render(painter)
painter.end()
-
+
scaledImage = image.scaled(
self.__size,
Qt.AspectRatioMode.KeepAspectRatioByExpanding,
- Qt.TransformationMode.SmoothTransformation)
-
+ Qt.TransformationMode.SmoothTransformation,
+ )
+
self.thumbnailCreated.emit(QPixmap.fromImage(scaledImage))
