Mercurial Repositories > eric / file comparison
comparison: Graphics/SvgDiagram.py
Graphics/SvgDiagram.py
- changeset 1518
- e6e21910210d
- parent 1509
- c0b5e693b0eb
- child 1588
- dccffd13be8d
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| 1516:7c0b621e537d | 1518:e6e21910210d |
|---|---|
| 5 | 5 |
| 6 """ | 6 """ |
| 7 Module implementing a dialog showing a SVG graphic. | 7 Module implementing a dialog showing a SVG graphic. |
| 8 """ | 8 """ |
| 9 | 9 |
| 10 from PyQt4.QtCore import Qt, QSize | 10 from PyQt4.QtCore import Qt, QSize, QEvent |
| 11 from PyQt4.QtGui import QMainWindow, QPalette, QSizePolicy, QScrollArea, QAction, QMenu, \ | 11 from PyQt4.QtGui import QMainWindow, QPalette, QSizePolicy, QScrollArea, QAction, QMenu, \ |
| 12 QToolBar, QDialog, QPrinter, QPrintDialog, QPainter, QFont, QColor | 12 QToolBar, QDialog, QPrinter, QPrintDialog, QPainter, QFont, QColor |
| 13 from PyQt4.QtSvg import QSvgWidget | 13 from PyQt4.QtSvg import QSvgWidget |
| 14 | 14 |
| 15 from .ZoomDialog import ZoomDialog | 15 from .ZoomDialog import ZoomDialog |
| 59 self.svgWidget.resize(self.svgWidget.renderer().defaultSize()) | 59 self.svgWidget.resize(self.svgWidget.renderer().defaultSize()) |
| 60 | 60 |
| 61 self.__initActions() | 61 self.__initActions() |
| 62 self.__initContextMenu() | 62 self.__initContextMenu() |
| 63 self.__initToolBars() | 63 self.__initToolBars() |
| 64 | |
| 65 self.grabGesture(Qt.PinchGesture) | |
| 64 | 66 |
| 65 def __initActions(self): | 67 def __initActions(self): |
| 66 """ | 68 """ |
| 67 Private method to initialize the view actions. | 69 Private method to initialize the view actions. |
| 68 """ | 70 """ |
| 169 self.__zoomIn() | 171 self.__zoomIn() |
| 170 evt.accept() | 172 evt.accept() |
| 171 return | 173 return |
| 172 | 174 |
| 173 super().wheelEvent(evt) | 175 super().wheelEvent(evt) |
| 176 | |
| 177 def event(self, evt): | |
| 178 """ | |
| 179 Protected method handling events. | |
| 180 | |
| 181 @param evt reference to the event (QEvent) | |
| 182 @return flag indicating, if the event was handled (boolean) | |
| 183 """ | |
| 184 if evt.type() == QEvent.Gesture: | |
| 185 self.gestureEvent(evt) | |
| 186 return True | |
| 187 | |
| 188 return super().event(evt) | |
| 189 | |
| 190 def gestureEvent(self, evt): | |
| 191 """ | |
| 192 Protected method handling gesture events. | |
| 193 | |
| 194 @param evt reference to the gesture event (QGestureEvent | |
| 195 """ | |
| 196 pinch = evt.gesture(Qt.PinchGesture) | |
| 197 if pinch: | |
| 198 if pinch.state() == Qt.GestureStarted: | |
| 199 pinch.setScaleFactor(self.zoom) | |
| 200 else: | |
| 201 self.__doZoom(pinch.scaleFactor() / self.zoom) | |
| 202 evt.accept() | |
| 174 | 203 |
| 175 ############################################################################ | 204 ############################################################################ |
| 176 ## Private menu handling methods below. | 205 ## Private menu handling methods below. |
| 177 ############################################################################ | 206 ############################################################################ |
| 178 | 207 |
