Mercurial Repositories > eric / file comparison
comparison: Graphics/PixmapDiagram.py
Graphics/PixmapDiagram.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 pixmap. | 7 Module implementing a dialog showing a pixmap. |
| 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, QLabel, QPalette, QSizePolicy, QScrollArea, \ | 11 from PyQt4.QtGui import QMainWindow, QLabel, QPalette, QSizePolicy, QScrollArea, \ |
| 12 QAction, QMenu, QToolBar, QImage, QPixmap, QDialog, QPrinter, QPrintDialog, \ | 12 QAction, QMenu, QToolBar, QImage, QPixmap, QDialog, QPrinter, QPrintDialog, \ |
| 13 QPainter, QFont, QColor | 13 QPainter, QFont, QColor |
| 14 | 14 |
| 15 from E5Gui import E5MessageBox | 15 from E5Gui import E5MessageBox |
| 62 | 62 |
| 63 self.__initActions() | 63 self.__initActions() |
| 64 self.__initContextMenu() | 64 self.__initContextMenu() |
| 65 self.__initToolBars() | 65 self.__initToolBars() |
| 66 | 66 |
| 67 self.grabGesture(Qt.PinchGesture) | |
| 68 | |
| 67 def __initActions(self): | 69 def __initActions(self): |
| 68 """ | 70 """ |
| 69 Private method to initialize the view actions. | 71 Private method to initialize the view actions. |
| 70 """ | 72 """ |
| 71 self.closeAct = \ | 73 self.closeAct = \ |
| 198 self.__zoomIn() | 200 self.__zoomIn() |
| 199 evt.accept() | 201 evt.accept() |
| 200 return | 202 return |
| 201 | 203 |
| 202 super().wheelEvent(evt) | 204 super().wheelEvent(evt) |
| 205 | |
| 206 def event(self, evt): | |
| 207 """ | |
| 208 Protected method handling events. | |
| 209 | |
| 210 @param evt reference to the event (QEvent) | |
| 211 @return flag indicating, if the event was handled (boolean) | |
| 212 """ | |
| 213 if evt.type() == QEvent.Gesture: | |
| 214 self.gestureEvent(evt) | |
| 215 return True | |
| 216 | |
| 217 return super().event(evt) | |
| 218 | |
| 219 def gestureEvent(self, evt): | |
| 220 """ | |
| 221 Protected method handling gesture events. | |
| 222 | |
| 223 @param evt reference to the gesture event (QGestureEvent | |
| 224 """ | |
| 225 pinch = evt.gesture(Qt.PinchGesture) | |
| 226 if pinch: | |
| 227 if pinch.state() == Qt.GestureStarted: | |
| 228 pinch.setScaleFactor(self.zoom) | |
| 229 else: | |
| 230 self.__doZoom(pinch.scaleFactor() / self.zoom) | |
| 231 evt.accept() | |
| 203 | 232 |
| 204 ############################################################################ | 233 ############################################################################ |
| 205 ## Private menu handling methods below. | 234 ## Private menu handling methods below. |
| 206 ############################################################################ | 235 ############################################################################ |
| 207 | 236 |
