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TextDocumentLayout: bug fix for block count change

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Example text that will make VNote crash:

```
ab123  aaa
```

Then select the space before `aaa` and press `Enter`.
This commit is contained in:
Le Tan 2018-11-07 20:31:21 +08:00
parent 64d2aab76a
commit c640118dfa
1 changed files with 3 additions and 0 deletions
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3
src/vtextdocumentlayout.cpp
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@ -441,6 +441,7 @@ void VTextDocumentLayout::documentChanged(int p_from, int p_charsRemoved, int p_
// May be an invalid block. // May be an invalid block.
QTextBlock changeEndBlock; QTextBlock changeEndBlock;
if (p_charsRemoved == p_charsAdded if (p_charsRemoved == p_charsAdded
&& newBlockCount == m_blockCount
&& changeStartBlock.position() == p_from && changeStartBlock.position() == p_from
&& changeStartBlock.length() == p_charsAdded) { && changeStartBlock.length() == p_charsAdded) {
// TODO: we may need one more next block. // TODO: we may need one more next block.
@ -482,6 +483,8 @@ void VTextDocumentLayout::documentChanged(int p_from, int p_charsRemoved, int p_
updateOffset(changeStartBlock); updateOffset(changeStartBlock);
} }
m_blockCount = newBlockCount;
updateDocumentSize(); updateDocumentSize();
// TODO: Update the view of all the blocks after changeStartBlock. // TODO: Update the view of all the blocks after changeStartBlock.