Mercurial Repositories > eric / file comparison
comparison: eric7/HelpViewer/HelpViewerImpl_qtb.py
eric7/HelpViewer/HelpViewerImpl_qtb.py
- branch
- eric7
- changeset 8689
- da40117c42d6
- parent 8683
- e8a907801549
- child 8693
- d51660d6f1b9
equal
deleted
inserted
replaced
| 8688:153dba284368 | 8689:da40117c42d6 |
|---|---|
| 5 | 5 |
| 6 """ | 6 """ |
| 7 Module implementing the QTextBrowser based help viewer class. | 7 Module implementing the QTextBrowser based help viewer class. |
| 8 """ | 8 """ |
| 9 | 9 |
| 10 from PyQt6.QtCore import Qt, QByteArray, QUrl | 10 from PyQt6.QtCore import Qt, QByteArray, QUrl, QEvent |
| 11 from PyQt6.QtGui import QDesktopServices, QImage | 11 from PyQt6.QtGui import QDesktopServices, QImage |
| 12 from PyQt6.QtWidgets import QTextBrowser | 12 from PyQt6.QtWidgets import QTextBrowser |
| 13 | 13 |
| 14 from .HelpViewerImpl import HelpViewerImpl | 14 from .HelpViewerImpl import HelpViewerImpl |
| 15 | 15 |
| 31 HelpViewerImpl.__init__(self, engine) | 31 HelpViewerImpl.__init__(self, engine) |
| 32 | 32 |
| 33 self.__zoomCount = 0 | 33 self.__zoomCount = 0 |
| 34 | 34 |
| 35 self.sourceChanged.connect(self.titleChanged) | 35 self.sourceChanged.connect(self.titleChanged) |
| 36 | |
| 37 self.grabGesture(Qt.GestureType.PinchGesture) | |
| 36 | 38 |
| 37 def setUrl(self, url): | 39 def setUrl(self, url): |
| 38 """ | 40 """ |
| 39 Public method to set the URL of the document to be shown. | 41 Public method to set the URL of the document to be shown. |
| 40 | 42 |
| 151 if self.__zoomCount > -5: | 153 if self.__zoomCount > -5: |
| 152 self.__zoomCount -= 1 | 154 self.__zoomCount -= 1 |
| 153 self.zoomOut() | 155 self.zoomOut() |
| 154 self.zoomChanged.emit() | 156 self.zoomChanged.emit() |
| 155 | 157 |
| 158 def setScale(self, scale): | |
| 159 """ | |
| 160 Public method to set the zoom level. | |
| 161 | |
| 162 @param scale zoom level to set | |
| 163 @type int | |
| 164 """ | |
| 165 if -5 <= scale <= 10: | |
| 166 self.zoomOut(scale) | |
| 167 self.__zoomCount = scale | |
| 168 self.zoomChanged.emit() | |
| 169 | |
| 156 def resetScale(self): | 170 def resetScale(self): |
| 157 """ | 171 """ |
| 158 Public method to reset the zoom level. | 172 Public method to reset the zoom level. |
| 159 """ | 173 """ |
| 160 if self.__zoomCount != 0: | 174 if self.__zoomCount != 0: |
| 203 self.scaleDown() | 217 self.scaleDown() |
| 204 evt.accept() | 218 evt.accept() |
| 205 else: | 219 else: |
| 206 QTextBrowser.wheelEvent(self, evt) | 220 QTextBrowser.wheelEvent(self, evt) |
| 207 | 221 |
| 208 # TODO: implement context menu | 222 def keyPressEvent(self, evt): |
| 223 """ | |
| 224 Public method to handle key press events. | |
| 225 | |
| 226 @param evt reference to the key event | |
| 227 @type QKeyEvent | |
| 228 """ | |
| 229 if evt.key() == Qt.Key.Key_ZoomIn: | |
| 230 self.scaleUp() | |
| 231 evt.accept() | |
| 232 elif evt.key() == Qt.Key.Key_ZoomOut: | |
| 233 self.scaleDown() | |
| 234 evt.accept() | |
| 235 elif evt.key() == Qt.Key.Key_Plus: | |
| 236 if evt.modifiers() & Qt.KeyboardModifier.ControlModifier: | |
| 237 self.scaleUp() | |
| 238 evt.accept() | |
| 239 elif evt.key() == Qt.Key.Key_Minus: | |
| 240 if evt.modifiers() & Qt.KeyboardModifier.ControlModifier: | |
| 241 self.scaleDown() | |
| 242 evt.accept() | |
| 243 elif evt.key() == Qt.Key.Key_0: | |
| 244 if evt.modifiers() & Qt.KeyboardModifier.ControlModifier: | |
| 245 self.resetScale() | |
| 246 evt.accept() | |
| 247 elif evt.key() == Qt.Key.Key_Backspace: | |
| 248 self.backward() | |
| 249 evt.accept() | |
| 250 | |
| 251 def event(self, evt): | |
| 252 """ | |
| 253 Public method handling events. | |
| 254 | |
| 255 @param evt reference to the event | |
| 256 @type QEvent | |
| 257 @return flag indicating the event was handled | |
| 258 @rtype bool | |
| 259 """ | |
| 260 if evt.type() == QEvent.Type.Gesture: | |
| 261 self.gestureEvent(evt) | |
| 262 return True | |
| 263 | |
| 264 return super().event(evt) | |
| 265 | |
| 266 def gestureEvent(self, evt): | |
| 267 """ | |
| 268 Protected method handling gesture events. | |
| 269 | |
| 270 @param evt reference to the gesture event | |
| 271 @type QGestureEvent | |
| 272 """ | |
| 273 pinch = evt.gesture(Qt.GestureType.PinchGesture) | |
| 274 if pinch: | |
| 275 if pinch.state() == Qt.GestureState.GestureStarted: | |
| 276 zoom = (self.getZoom() + 6) / 10.0 | |
| 277 pinch.setTotalScaleFactor(zoom) | |
| 278 elif pinch.state() == Qt.GestureState.GestureUpdated: | |
| 279 zoom = int(pinch.totalScaleFactor() * 10) - 6 | |
| 280 if zoom <= -5: | |
| 281 zoom = -5 | |
| 282 pinch.setTotalScaleFactor(0.1) | |
| 283 elif zoom >= 10: | |
| 284 zoom = 10 | |
| 285 pinch.setTotalScaleFactor(1.6) | |
| 286 self.setScale(zoom) | |
| 287 evt.accept() | |
| 288 | |
| 289 # TODO: implement context menu | |
| 290 # - Open Link | |
| 291 # - Open Link in New Page | |
| 292 # - Open Link in Background Page | |
| 293 # - Copy | |
| 294 # - Copy Link LOcation | |
| 295 # - Select All | |
| 209 # TODO: add Ctrl+LMB action (open link in new page) | 296 # TODO: add Ctrl+LMB action (open link in new page) |
