diff options
Diffstat (limited to 'examples/widgets/codeeditor')
| -rw-r--r-- | examples/widgets/codeeditor/codeeditor.py | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/examples/widgets/codeeditor/codeeditor.py b/examples/widgets/codeeditor/codeeditor.py index bfe92c4a8..47dc8b0a3 100644 --- a/examples/widgets/codeeditor/codeeditor.py +++ b/examples/widgets/codeeditor/codeeditor.py @@ -85,29 +85,26 @@ class CodeEditor(QPlainTextEdit): self.line_number_area.setGeometry(rect) def lineNumberAreaPaintEvent(self, event): - painter = QPainter(self.line_number_area) - painter.fillRect(event.rect(), Qt.lightGray) - block = self.firstVisibleBlock() - block_number = block.blockNumber() - offset = self.contentOffset() - top = self.blockBoundingGeometry(block).translated(offset).top() - bottom = top + self.blockBoundingRect(block).height() - - while block.isValid() and top <= event.rect().bottom(): - if block.isVisible() and bottom >= event.rect().top(): - number = str(block_number + 1) - painter.setPen(Qt.black) - width = self.line_number_area.width() - height = self.fontMetrics().height() - painter.drawText(0, top, width, height, Qt.AlignRight, number) - - block = block.next() - top = bottom + with QPainter(self.line_number_area) as painter: + painter.fillRect(event.rect(), Qt.lightGray) + block = self.firstVisibleBlock() + block_number = block.blockNumber() + offset = self.contentOffset() + top = self.blockBoundingGeometry(block).translated(offset).top() bottom = top + self.blockBoundingRect(block).height() - block_number += 1 - # QPainter needs an explicit end() in PyPy. This will become a context manager in 6.3. - painter.end() + while block.isValid() and top <= event.rect().bottom(): + if block.isVisible() and bottom >= event.rect().top(): + number = str(block_number + 1) + painter.setPen(Qt.black) + width = self.line_number_area.width() + height = self.fontMetrics().height() + painter.drawText(0, top, width, height, Qt.AlignRight, number) + + block = block.next() + top = bottom + bottom = top + self.blockBoundingRect(block).height() + block_number += 1 @Slot() def update_line_number_area_width(self, newBlockCount): |