Mercurial Repositories > eric / file comparison
comparison: E5Graphics/E5GraphicsView.py
E5Graphics/E5GraphicsView.py
- changeset 2027
- 144463496a54
- parent 2026
- 18f2b30ed046
- child 2302
- f29e9405c851
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| 2026:18f2b30ed046 | 2027:144463496a54 |
|---|---|
| 27 @param parent parent widget (QWidget) | 27 @param parent parent widget (QWidget) |
| 28 """ | 28 """ |
| 29 super().__init__(scene, parent) | 29 super().__init__(scene, parent) |
| 30 self.setObjectName("E5GraphicsView") | 30 self.setObjectName("E5GraphicsView") |
| 31 | 31 |
| 32 self.__initialSceneSize = self.scene().sceneRect().size() | |
| 32 self.setBackgroundBrush(QBrush(Qt.white)) | 33 self.setBackgroundBrush(QBrush(Qt.white)) |
| 33 self.setRenderHint(QPainter.Antialiasing, True) | 34 self.setRenderHint(QPainter.Antialiasing, True) |
| 34 self.setDragMode(QGraphicsView.RubberBandDrag) | 35 self.setDragMode(QGraphicsView.RubberBandDrag) |
| 35 self.setAlignment(Qt.Alignment(Qt.AlignLeft | Qt.AlignTop)) | 36 self.setAlignment(Qt.Alignment(Qt.AlignLeft | Qt.AlignTop)) |
| 36 self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOn) | 37 self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOn) |
| 37 self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn) | 38 self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn) |
| 38 | 39 self.setViewportUpdateMode(QGraphicsView.SmartViewportUpdate) |
| 39 # available as of Qt 4.3 | |
| 40 try: | |
| 41 self.setViewportUpdateMode(QGraphicsView.SmartViewportUpdate) | |
| 42 except AttributeError: | |
| 43 pass | |
| 44 | 40 |
| 45 self.setWhatsThis(self.trUtf8("<b>Graphics View</b>\n" | 41 self.setWhatsThis(self.trUtf8("<b>Graphics View</b>\n" |
| 46 "<p>This graphics view is used to show a diagram. \n" | 42 "<p>This graphics view is used to show a diagram. \n" |
| 47 "There are various actions available to manipulate the \n" | 43 "There are various actions available to manipulate the \n" |
| 48 "shown items.</p>\n" | 44 "shown items.</p>\n" |
| 117 | 113 |
| 118 def setSceneSize(self, width, height): | 114 def setSceneSize(self, width, height): |
| 119 """ | 115 """ |
| 120 Public method to set the scene size. | 116 Public method to set the scene size. |
| 121 | 117 |
| 122 @param width width for the scene (integer) | 118 @param width width for the scene (real) |
| 123 @param height height for the scene (integer) | 119 @param height height for the scene (real) |
| 124 """ | 120 """ |
| 125 rect = self.scene().sceneRect() | 121 rect = self.scene().sceneRect() |
| 126 rect.setHeight(height) | 122 rect.setHeight(height) |
| 127 rect.setWidth(width) | 123 rect.setWidth(width) |
| 128 self.setSceneRect(rect) | 124 self.scene().setSceneRect(rect) |
| 125 | |
| 126 def autoAdjustSceneSize(self, limit=False): | |
| 127 """ | |
| 128 Public method to adjust the scene size to the diagram size. | |
| 129 | |
| 130 @param limit flag indicating to limit the scene to the | |
| 131 initial size (boolean) | |
| 132 """ | |
| 133 size = self._getDiagramSize(10) | |
| 134 if limit: | |
| 135 newWidth = max(size.width(), self.__initialSceneSize.width()) | |
| 136 newHeight = max(size.height(), self.__initialSceneSize.height()) | |
| 137 else: | |
| 138 newWidth = size.width() | |
| 139 newHeight = size.height() | |
| 140 self.setSceneSize(newWidth, newHeight) | |
| 129 | 141 |
| 130 def _getDiagramRect(self, border=0): | 142 def _getDiagramRect(self, border=0): |
| 131 """ | 143 """ |
| 132 Protected method to calculate the minimum rectangle fitting the diagram. | 144 Protected method to calculate the minimum rectangle fitting the diagram. |
| 133 | 145 |
