Mercurial Repositories > eric / file comparison
comparison: UI/Previewers/PreviewerHTML.py
UI/Previewers/PreviewerHTML.py
- changeset 6372
- ae44c83fccab
- parent 6287
- 9a193ff6d24a
- child 6395
- 613e37fabd96
- child 6645
- ad476851d7e0
equal
deleted
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replaced
| 6371:bc834bbc0251 | 6372:ae44c83fccab |
|---|---|
| 49 self.titleLabel = QLabel(self) | 49 self.titleLabel = QLabel(self) |
| 50 self.titleLabel.setWordWrap(True) | 50 self.titleLabel.setWordWrap(True) |
| 51 self.titleLabel.setTextInteractionFlags(Qt.NoTextInteraction) | 51 self.titleLabel.setTextInteractionFlags(Qt.NoTextInteraction) |
| 52 self.__layout.addWidget(self.titleLabel) | 52 self.__layout.addWidget(self.titleLabel) |
| 53 | 53 |
| 54 self.__previewAvailable = True | |
| 55 | |
| 54 try: | 56 try: |
| 55 from PyQt5.QtWebEngineWidgets import QWebEngineView | 57 from PyQt5.QtWebEngineWidgets import QWebEngineView |
| 56 self.previewView = QWebEngineView(self) | 58 self.previewView = QWebEngineView(self) |
| 57 self.previewView.page().linkHovered.connect(self.__showLink) | 59 self.previewView.page().linkHovered.connect(self.__showLink) |
| 58 self.__usesWebKit = False | 60 self.__usesWebKit = False |
| 59 except ImportError: | 61 except ImportError: |
| 60 from PyQt5.QtWebKitWidgets import QWebPage, QWebView | 62 try: |
| 61 self.previewView = QWebView(self) | 63 from PyQt5.QtWebKitWidgets import QWebPage, QWebView |
| 62 self.previewView.page().setLinkDelegationPolicy( | 64 self.previewView = QWebView(self) |
| 63 QWebPage.DelegateAllLinks) | 65 self.previewView.page().setLinkDelegationPolicy( |
| 64 self.__usesWebKit = True | 66 QWebPage.DelegateAllLinks) |
| 67 self.__usesWebKit = True | |
| 68 except ImportError: | |
| 69 self.__previewAvailable = False | |
| 70 self.titleLabel.setText(self.tr( | |
| 71 "<b>HTML Preview is not available!<br/>" | |
| 72 "Install QtWebEngine or QtWebKit.</b>")) | |
| 73 self.titleLabel.setAlignment(Qt.AlignHCenter) | |
| 74 self.__layout.addStretch() | |
| 75 return | |
| 65 | 76 |
| 66 sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Expanding) | 77 sizePolicy = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Expanding) |
| 67 sizePolicy.setHorizontalStretch(0) | 78 sizePolicy.setHorizontalStretch(0) |
| 68 sizePolicy.setVerticalStretch(0) | 79 sizePolicy.setVerticalStretch(0) |
| 69 sizePolicy.setHeightForWidth( | 80 sizePolicy.setHeightForWidth( |
| 108 | 119 |
| 109 def shutdown(self): | 120 def shutdown(self): |
| 110 """ | 121 """ |
| 111 Public method to perform shutdown actions. | 122 Public method to perform shutdown actions. |
| 112 """ | 123 """ |
| 113 self.__processingThread.wait() | 124 if self.__previewAvailable: |
| 125 self.__processingThread.wait() | |
| 114 | 126 |
| 115 @pyqtSlot(bool) | 127 @pyqtSlot(bool) |
| 116 def on_jsCheckBox_clicked(self, checked): | 128 def on_jsCheckBox_clicked(self, checked): |
| 117 """ | 129 """ |
| 118 Private slot to enable/disable JavaScript. | 130 Private slot to enable/disable JavaScript. |
| 159 """ | 171 """ |
| 160 Public slot to process an editor's text. | 172 Public slot to process an editor's text. |
| 161 | 173 |
| 162 @param editor editor to be processed (Editor) | 174 @param editor editor to be processed (Editor) |
| 163 """ | 175 """ |
| 176 if not self.__previewAvailable: | |
| 177 return | |
| 178 | |
| 164 if editor is None: | 179 if editor is None: |
| 165 editor = self.__previewedEditor | 180 editor = self.__previewedEditor |
| 166 else: | 181 else: |
| 167 self.__previewedEditor = editor | 182 self.__previewedEditor = editor |
| 168 | 183 |
