diff options
Diffstat (limited to 'src/quick/items/qquicktextedit.cpp')
| -rw-r--r-- | src/quick/items/qquicktextedit.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/quick/items/qquicktextedit.cpp b/src/quick/items/qquicktextedit.cpp index bfc9f4c769..328f7c9103 100644 --- a/src/quick/items/qquicktextedit.cpp +++ b/src/quick/items/qquicktextedit.cpp @@ -2044,11 +2044,22 @@ QSGNode *QQuickTextEdit::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData * int firstDirtyPos = 0; if (nodeIterator != d->textNodeMap.end()) { firstDirtyPos = nodeIterator->startPos(); + // ### this could be optimized if the first and last dirty nodes are not connected + // as the intermediate text nodes would usually only need to be transformed differently. + int lastDirtyPos = firstDirtyPos; + auto it = d->textNodeMap.constEnd(); + while (it != nodeIterator) { + --it; + if (it->dirty()) { + lastDirtyPos = it->startPos(); + break; + } + } do { rootNode->removeChildNode(nodeIterator->textNode()); delete nodeIterator->textNode(); nodeIterator = d->textNodeMap.erase(nodeIterator); - } while (nodeIterator != d->textNodeMap.end() && nodeIterator->dirty()); + } while (nodeIterator != d->textNodeMap.constEnd() && nodeIterator->startPos() <= lastDirtyPos); } // FIXME: the text decorations could probably be handled separately (only updated for affected textFrames) |