Mercurial Repositories > eric / file comparison
comparison: E5Graphics/E5GraphicsView.py
E5Graphics/E5GraphicsView.py
- changeset 2990
- 583beaf0b4b8
- parent 2953
- 703452a2876f
- child 3022
- 57179e4cdadd
- child 3057
- 10516539f238
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| 2989:7efa8b8b6903 | 2990:583beaf0b4b8 |
|---|---|
| 49 self.setAlignment(Qt.Alignment(Qt.AlignLeft | Qt.AlignTop)) | 49 self.setAlignment(Qt.Alignment(Qt.AlignLeft | Qt.AlignTop)) |
| 50 self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOn) | 50 self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOn) |
| 51 self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn) | 51 self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn) |
| 52 self.setViewportUpdateMode(QGraphicsView.SmartViewportUpdate) | 52 self.setViewportUpdateMode(QGraphicsView.SmartViewportUpdate) |
| 53 | 53 |
| 54 self.setWhatsThis(self.trUtf8("<b>Graphics View</b>\n" | 54 self.setWhatsThis(self.trUtf8( |
| 55 "<b>Graphics View</b>\n" | |
| 55 "<p>This graphics view is used to show a diagram. \n" | 56 "<p>This graphics view is used to show a diagram. \n" |
| 56 "There are various actions available to manipulate the \n" | 57 "There are various actions available to manipulate the \n" |
| 57 "shown items.</p>\n" | 58 "shown items.</p>\n" |
| 58 "<ul>\n" | 59 "<ul>\n" |
| 59 "<li>Clicking on an item selects it.</li>\n" | 60 "<li>Clicking on an item selects it.</li>\n" |
| 60 "<li>Ctrl-clicking adds an item to the selection.</li>\n" | 61 "<li>Ctrl-clicking adds an item to the selection.</li>\n" |
| 61 "<li>Ctrl-clicking a selected item deselects it.</li>\n" | 62 "<li>Ctrl-clicking a selected item deselects it.</li>\n" |
| 62 "<li>Clicking on an empty spot of the canvas resets the selection.</li>\n" | 63 "<li>Clicking on an empty spot of the canvas resets the selection." |
| 64 "</li>\n" | |
| 63 "<li>Dragging the mouse over the canvas spans a rubberband to \n" | 65 "<li>Dragging the mouse over the canvas spans a rubberband to \n" |
| 64 "select multiple items.</li>\n" | 66 "select multiple items.</li>\n" |
| 65 "<li>Dragging the mouse over a selected item moves the \n" | 67 "<li>Dragging the mouse over a selected item moves the \n" |
| 66 "whole selection.</li>\n" | 68 "whole selection.</li>\n" |
| 67 "</ul>\n" | 69 "</ul>\n" |
| 100 | 102 |
| 101 def zoomReset(self): | 103 def zoomReset(self): |
| 102 """ | 104 """ |
| 103 Public method to handle the reset the zoom value. | 105 Public method to handle the reset the zoom value. |
| 104 """ | 106 """ |
| 105 self.setZoom(E5GraphicsView.ZoomLevels[E5GraphicsView.ZoomLevelDefault]) | 107 self.setZoom( |
| 108 E5GraphicsView.ZoomLevels[E5GraphicsView.ZoomLevelDefault]) | |
| 106 | 109 |
| 107 def setZoom(self, value): | 110 def setZoom(self, value): |
| 108 """ | 111 """ |
| 109 Public method to set the zoom value in percent. | 112 Public method to set the zoom value in percent. |
| 110 | 113 |
| 174 newHeight = size.height() | 177 newHeight = size.height() |
| 175 self.setSceneSize(newWidth, newHeight) | 178 self.setSceneSize(newWidth, newHeight) |
| 176 | 179 |
| 177 def _getDiagramRect(self, border=0): | 180 def _getDiagramRect(self, border=0): |
| 178 """ | 181 """ |
| 179 Protected method to calculate the minimum rectangle fitting the diagram. | 182 Protected method to calculate the minimum rectangle fitting the |
| 183 diagram. | |
| 180 | 184 |
| 181 @param border border width to include in the calculation (integer) | 185 @param border border width to include in the calculation (integer) |
| 182 @return the minimum rectangle (QRectF) | 186 @return the minimum rectangle (QRectF) |
| 183 """ | 187 """ |
| 184 startx = sys.maxsize | 188 startx = sys.maxsize |
| 289 | 293 |
| 290 def printDiagram(self, printer, diagramName=""): | 294 def printDiagram(self, printer, diagramName=""): |
| 291 """ | 295 """ |
| 292 Public method to print the diagram. | 296 Public method to print the diagram. |
| 293 | 297 |
| 294 @param printer reference to a ready configured printer object (QPrinter) | 298 @param printer reference to a ready configured printer object |
| 299 (QPrinter) | |
| 295 @param diagramName name of the diagram (string) | 300 @param diagramName name of the diagram (string) |
| 296 """ | 301 """ |
| 297 painter = QPainter() | 302 painter = QPainter() |
| 298 painter.begin(printer) | 303 painter.begin(printer) |
| 299 offsetX = 0 | 304 offsetX = 0 |
| 304 painter.setFont(font) | 309 painter.setFont(font) |
| 305 fm = painter.fontMetrics() | 310 fm = painter.fontMetrics() |
| 306 fontHeight = fm.lineSpacing() | 311 fontHeight = fm.lineSpacing() |
| 307 marginX = printer.pageRect().x() - printer.paperRect().x() | 312 marginX = printer.pageRect().x() - printer.paperRect().x() |
| 308 marginX = \ | 313 marginX = \ |
| 309 Preferences.getPrinter("LeftMargin") * int(printer.resolution() / 2.54) \ | 314 Preferences.getPrinter("LeftMargin") * int( |
| 310 - marginX | 315 printer.resolution() / 2.54) - marginX |
| 311 marginY = printer.pageRect().y() - printer.paperRect().y() | 316 marginY = printer.pageRect().y() - printer.paperRect().y() |
| 312 marginY = \ | 317 marginY = \ |
| 313 Preferences.getPrinter("TopMargin") * int(printer.resolution() / 2.54) \ | 318 Preferences.getPrinter("TopMargin") * int( |
| 314 - marginY | 319 printer.resolution() / 2.54) - marginY |
| 315 | 320 |
| 316 width = printer.width() - marginX \ | 321 width = printer.width() - marginX \ |
| 317 - Preferences.getPrinter("RightMargin") * int(printer.resolution() / 2.54) | 322 - Preferences.getPrinter("RightMargin") * int( |
| 323 printer.resolution() / 2.54) | |
| 318 height = printer.height() - fontHeight - 4 - marginY \ | 324 height = printer.height() - fontHeight - 4 - marginY \ |
| 319 - Preferences.getPrinter("BottomMargin") * int(printer.resolution() / 2.54) | 325 - Preferences.getPrinter("BottomMargin") * int( |
| 326 printer.resolution() / 2.54) | |
| 320 | 327 |
| 321 border = self.border == 0 and 5 or self.border | 328 border = self.border == 0 and 5 or self.border |
| 322 rect = self._getDiagramRect(border) | 329 rect = self._getDiagramRect(border) |
| 323 diagram = self.__getDiagram(rect) | 330 diagram = self.__getDiagram(rect) |
| 324 | 331 |
| 372 printer.newPage() | 379 printer.newPage() |
| 373 page += 1 | 380 page += 1 |
| 374 | 381 |
| 375 painter.end() | 382 painter.end() |
| 376 | 383 |
| 377 ############################################################################ | 384 ########################################################################### |
| 378 ## The methods below should be overridden by subclasses to get special | 385 ## The methods below should be overridden by subclasses to get special |
| 379 ## behavior. | 386 ## behavior. |
| 380 ############################################################################ | 387 ########################################################################### |
| 381 | 388 |
| 382 def filteredItems(self, items): | 389 def filteredItems(self, items): |
| 383 """ | 390 """ |
| 384 Public method to filter a list of items. | 391 Public method to filter a list of items. |
| 385 | 392 |
