Mercurial Repositories > eric / file comparison
comparison: eric7/HelpViewer/HelpViewerImpl_qtb.py
eric7/HelpViewer/HelpViewerImpl_qtb.py
- branch
- eric7
- changeset 8681
- 6285e8374d99
- parent 8680
- 85503ff2fce9
- child 8683
- e8a907801549
equal
deleted
inserted
replaced
| 8680:85503ff2fce9 | 8681:6285e8374d99 |
|---|---|
| 27 @param parent reference to the parent widget | 27 @param parent reference to the parent widget |
| 28 @type QWidget | 28 @type QWidget |
| 29 """ | 29 """ |
| 30 QTextBrowser.__init__(self, parent=parent) | 30 QTextBrowser.__init__(self, parent=parent) |
| 31 HelpViewerImpl.__init__(self, engine) | 31 HelpViewerImpl.__init__(self, engine) |
| 32 | |
| 33 self.__zoomCount = 0 | |
| 32 | 34 |
| 33 self.sourceChanged.connect(self.titleChanged) | 35 self.sourceChanged.connect(self.titleChanged) |
| 34 | 36 |
| 35 def setUrl(self, url): | 37 def setUrl(self, url): |
| 36 """ | 38 """ |
| 121 self.backward() | 123 self.backward() |
| 122 else: | 124 else: |
| 123 # forward | 125 # forward |
| 124 for ind in range(index): | 126 for ind in range(index): |
| 125 self.forward() | 127 self.forward() |
| 128 | |
| 129 def scaleUp(self): | |
| 130 """ | |
| 131 Public method to zoom in. | |
| 132 """ | |
| 133 if self.__zoomCount < 10: | |
| 134 self.__zoomCount += 1 | |
| 135 self.zoomIn() | |
| 136 self.zoomChanged.emit() | |
| 137 | |
| 138 def scaleDown(self): | |
| 139 """ | |
| 140 Public method to zoom out. | |
| 141 """ | |
| 142 if self.__zoomCount > -5: | |
| 143 self.__zoomCount -= 1 | |
| 144 self.zoomOut() | |
| 145 self.zoomChanged.emit() | |
| 146 | |
| 147 def resetScale(self): | |
| 148 """ | |
| 149 Public method to reset the zoom level. | |
| 150 """ | |
| 151 if self.__zoomCount != 0: | |
| 152 self.zoomOut(self.__zoomCount) | |
| 153 self.zoomChanged.emit() | |
| 154 self.__zoomCount = 0 | |
| 155 | |
| 156 def scale(self): | |
| 157 """ | |
| 158 Public method to get the zoom level. | |
| 159 | |
| 160 @return current zoom level | |
| 161 @rtype int | |
| 162 """ | |
| 163 return self.__zoomCount | |
| 164 | |
| 165 def isScaleUpAvailable(self): | |
| 166 """ | |
| 167 Public method to check, if the max. zoom level is reached. | |
| 168 | |
| 169 @return flag indicating scale up is available | |
| 170 @rtype bool | |
| 171 """ | |
| 172 return self.__zoomCount < 10 | |
| 173 | |
| 174 def isScaleDownAvailable(self): | |
| 175 """ | |
| 176 Public method to check, if the min. zoom level is reached. | |
| 177 | |
| 178 @return flag indicating scale down is available | |
| 179 @rtype bool | |
| 180 """ | |
| 181 return self.__zoomCount > -5 | |
| 182 | |
| 183 def wheelEvent(self, evt): | |
| 184 """ | |
| 185 Public method to handle wheel event to zoom. | |
| 186 | |
| 187 @param evt reference to the event object | |
| 188 @type QWheelEvent | |
| 189 """ | |
| 190 if evt.modifiers() == Qt.KeyboardModifier.ControlModifier: | |
| 191 if evt.angleDelta().y() > 0: | |
| 192 self.scaleUp() | |
| 193 else: | |
| 194 self.scaleDown() | |
| 195 evt.accept() | |
| 196 else: | |
| 197 QTextBrowser.wheelEvent(self, evt) | |
| 198 | |
| 199 # TODO: implement context menu | |
| 200 # TODO: add Ctrl+LMB action (open link in new page) |
