Mercurial Repositories > eric / file comparison
comparison: src/eric7/WebBrowser/SpeedDial/PageThumbnailer.py
src/eric7/WebBrowser/SpeedDial/PageThumbnailer.py
- branch
- eric7
- changeset 9221
- bf71ee032bb4
- parent 9209
- b99e7fd55fd3
- child 9473
- 3f23dbf37dbe
equal
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| 9220:e9e7eca7efee | 9221:bf71ee032bb4 |
|---|---|
| 13 | 13 |
| 14 | 14 |
| 15 class PageThumbnailer(QObject): | 15 class PageThumbnailer(QObject): |
| 16 """ | 16 """ |
| 17 Class implementing a thumbnail creator for web sites. | 17 Class implementing a thumbnail creator for web sites. |
| 18 | 18 |
| 19 @signal thumbnailCreated(QPixmap) emitted after the thumbnail has been | 19 @signal thumbnailCreated(QPixmap) emitted after the thumbnail has been |
| 20 created | 20 created |
| 21 """ | 21 """ |
| 22 | |
| 22 thumbnailCreated = pyqtSignal(QPixmap) | 23 thumbnailCreated = pyqtSignal(QPixmap) |
| 23 | 24 |
| 24 def __init__(self, parent=None): | 25 def __init__(self, parent=None): |
| 25 """ | 26 """ |
| 26 Constructor | 27 Constructor |
| 27 | 28 |
| 28 @param parent reference to the parent object (QObject) | 29 @param parent reference to the parent object (QObject) |
| 29 """ | 30 """ |
| 30 super().__init__(parent) | 31 super().__init__(parent) |
| 31 | 32 |
| 32 self.__size = QSize(231, 130) | 33 self.__size = QSize(231, 130) |
| 33 self.__loadTitle = False | 34 self.__loadTitle = False |
| 34 self.__title = "" | 35 self.__title = "" |
| 35 self.__url = QUrl() | 36 self.__url = QUrl() |
| 36 | 37 |
| 37 self.__view = QWebEngineView() | 38 self.__view = QWebEngineView() |
| 38 self.__view.setAttribute(Qt.WidgetAttribute.WA_DontShowOnScreen) | 39 self.__view.setAttribute(Qt.WidgetAttribute.WA_DontShowOnScreen) |
| 39 self.__view.resize(1920, 1080) | 40 self.__view.resize(1920, 1080) |
| 40 self.__view.show() | 41 self.__view.show() |
| 41 | 42 |
| 42 def setSize(self, size): | 43 def setSize(self, size): |
| 43 """ | 44 """ |
| 44 Public method to set the size of the image. | 45 Public method to set the size of the image. |
| 45 | 46 |
| 46 @param size size of the image (QSize) | 47 @param size size of the image (QSize) |
| 47 """ | 48 """ |
| 48 if size.isValid(): | 49 if size.isValid(): |
| 49 self.__size = QSize(size) | 50 self.__size = QSize(size) |
| 50 | 51 |
| 51 def setUrl(self, url): | 52 def setUrl(self, url): |
| 52 """ | 53 """ |
| 53 Public method to set the URL of the site to be thumbnailed. | 54 Public method to set the URL of the site to be thumbnailed. |
| 54 | 55 |
| 55 @param url URL of the web site (QUrl) | 56 @param url URL of the web site (QUrl) |
| 56 """ | 57 """ |
| 57 if url.isValid(): | 58 if url.isValid(): |
| 58 self.__url = QUrl(url) | 59 self.__url = QUrl(url) |
| 59 | 60 |
| 60 def url(self): | 61 def url(self): |
| 61 """ | 62 """ |
| 62 Public method to get the URL of the thumbnail. | 63 Public method to get the URL of the thumbnail. |
| 63 | 64 |
| 64 @return URL of the thumbnail (QUrl) | 65 @return URL of the thumbnail (QUrl) |
| 65 """ | 66 """ |
| 66 return QUrl(self.__url) | 67 return QUrl(self.__url) |
| 67 | 68 |
| 68 def loadTitle(self): | 69 def loadTitle(self): |
| 69 """ | 70 """ |
| 70 Public method to check, if the title is loaded from the web site. | 71 Public method to check, if the title is loaded from the web site. |
| 71 | 72 |
| 72 @return flag indicating, that the title is loaded (boolean) | 73 @return flag indicating, that the title is loaded (boolean) |
| 73 """ | 74 """ |
| 74 return self.__loadTitle | 75 return self.__loadTitle |
| 75 | 76 |
| 76 def setLoadTitle(self, load): | 77 def setLoadTitle(self, load): |
| 77 """ | 78 """ |
| 78 Public method to set a flag indicating to load the title from | 79 Public method to set a flag indicating to load the title from |
| 79 the web site. | 80 the web site. |
| 80 | 81 |
| 81 @param load flag indicating to load the title (boolean) | 82 @param load flag indicating to load the title (boolean) |
| 82 """ | 83 """ |
| 83 self.__loadTitle = load | 84 self.__loadTitle = load |
| 84 | 85 |
| 85 def title(self): | 86 def title(self): |
| 86 """ | 87 """ |
| 87 Public method to get the title of the thumbnail. | 88 Public method to get the title of the thumbnail. |
| 88 | 89 |
| 89 @return title of the thumbnail (string) | 90 @return title of the thumbnail (string) |
| 90 """ | 91 """ |
| 91 title = self.__title if self.__title else self.__url.host() | 92 title = self.__title if self.__title else self.__url.host() |
| 92 if not title: | 93 if not title: |
| 93 title = self.__url.toString() | 94 title = self.__url.toString() |
| 94 return title | 95 return title |
| 95 | 96 |
| 96 def start(self): | 97 def start(self): |
| 97 """ | 98 """ |
| 98 Public method to start the thumbnailing action. | 99 Public method to start the thumbnailing action. |
| 99 """ | 100 """ |
| 100 self.__view.loadFinished.connect(self.__createThumbnail) | 101 self.__view.loadFinished.connect(self.__createThumbnail) |
| 101 self.__view.load(self.__url) | 102 self.__view.load(self.__url) |
| 102 | 103 |
| 103 def __createThumbnail(self, status): | 104 def __createThumbnail(self, status): |
| 104 """ | 105 """ |
| 105 Private slot creating the thumbnail of the web site. | 106 Private slot creating the thumbnail of the web site. |
| 106 | 107 |
| 107 @param status flag indicating a successful load of the web site | 108 @param status flag indicating a successful load of the web site |
| 108 (boolean) | 109 (boolean) |
| 109 """ | 110 """ |
| 110 if not status: | 111 if not status: |
| 111 self.thumbnailCreated.emit(QPixmap()) | 112 self.thumbnailCreated.emit(QPixmap()) |
| 112 return | 113 return |
| 113 | 114 |
| 114 QTimer.singleShot(1000, self.__grabThumbnail) | 115 QTimer.singleShot(1000, self.__grabThumbnail) |
| 115 | 116 |
| 116 def __grabThumbnail(self): | 117 def __grabThumbnail(self): |
| 117 """ | 118 """ |
| 118 Private slot to grab the thumbnail image from the view. | 119 Private slot to grab the thumbnail image from the view. |
| 119 """ | 120 """ |
| 120 self.__title = self.__view.title() | 121 self.__title = self.__view.title() |
| 121 | 122 |
| 122 image = QImage(self.__view.size(), QImage.Format.Format_ARGB32) | 123 image = QImage(self.__view.size(), QImage.Format.Format_ARGB32) |
| 123 painter = QPainter(image) | 124 painter = QPainter(image) |
| 124 self.__view.render(painter) | 125 self.__view.render(painter) |
| 125 painter.end() | 126 painter.end() |
| 126 | 127 |
| 127 scaledImage = image.scaled( | 128 scaledImage = image.scaled( |
| 128 self.__size, | 129 self.__size, |
| 129 Qt.AspectRatioMode.KeepAspectRatioByExpanding, | 130 Qt.AspectRatioMode.KeepAspectRatioByExpanding, |
| 130 Qt.TransformationMode.SmoothTransformation) | 131 Qt.TransformationMode.SmoothTransformation, |
| 131 | 132 ) |
| 133 | |
| 132 self.thumbnailCreated.emit(QPixmap.fromImage(scaledImage)) | 134 self.thumbnailCreated.emit(QPixmap.fromImage(scaledImage)) |
