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RedPanda-CPP
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- fix: Memory usage of undo system is not correctly calculated 

- fix: Set max undo memory usage to 0 don't really remove limit of undo
  - fix: Set max undo times to 0 don't really remove limit of undo
This commit is contained in:
Roy Qu 2022-11-06 14:07:14 +08:00
parent d4c7ec9bb9
commit 7b290f4e44
3 changed files with 25 additions and 10 deletions
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3
NEWS.md
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@ -10,6 +10,9 @@ Red Panda C++ Version 2.2
- fix: Edting / show context menu when code analysis is turned on may crash app.
- fix: Show context menu when edting non c/c++ file may crash app.
- fix: Project Options Dialog's Files panel will crash app.
- fix: Memory usage of undo system is not correctly calculated
- fix: Set max undo memory usage to 0 don't really remove limit of undo
- fix: Set max undo times to 0 don't really remove limit of undo
Red Panda C++ Version 2.1

11
libs/qsynedit/qsynedit/SynEdit.cpp
View File

@ -6599,16 +6599,16 @@ bool SynEdit::modified() const
return mModified;
}
void SynEdit::setModified(bool Value)
void SynEdit::setModified(bool value)
{
if (Value) {
if (value) {
mLastModifyTime = QDateTime::currentDateTime();
emit statusChanged(StatusChange::scModified);
}
if (Value != mModified) {
mModified = Value;
if (value != mModified) {
mModified = value;
if (Value) {
if (value) {
mUndoList->clear();
mRedoList->clear();
} else {
@ -6648,6 +6648,7 @@ void SynEdit::setUndoLimit(int size)
void SynEdit::setUndoMemoryUsage(int size)
{
// mUndoList->setMaxMemoryUsage(size*1024*1024);
mUndoList->setMaxMemoryUsage(size*1024*1024);
}

19
libs/qsynedit/qsynedit/TextBuffer.cpp
View File

@ -989,9 +989,9 @@ PUndoItem UndoList::popItem()
// qDebug()<<"popped"<<item->changeNumber()<<item->changeText()<<(int)item->changeReason()<<mLastPoppedItemChangeNumber;
if (mLastPoppedItemChangeNumber!=item->changeNumber() && item->changeReason()!=ChangeReason::GroupBreak) {
mBlockCount--;
Q_ASSERT(mBlockCount>=0);
// qDebug()<<"pop"<<mBlockCount;
if (mBlockCount<0) {
qDebug()<<"block count calculation error";
mBlockCount=0;
}
}
@ -1059,13 +1059,22 @@ bool UndoList::fullUndoImposible() const
void UndoList::ensureMaxEntries()
{
if (mMaxUndoActions>0 && (mBlockCount > mMaxUndoActions || mMemoryUsage>mMaxMemoryUsage)){
if (mItems.isEmpty())
return;
// qDebug()<<QString("-- List Memory: %1 %2").arg(mMemoryUsage).arg(mMaxMemoryUsage);
if ((mMaxUndoActions >0 && mBlockCount > mMaxUndoActions)
|| (mMaxMemoryUsage>0 && mMemoryUsage>mMaxMemoryUsage)){
PUndoItem lastItem = mItems.back();
mFullUndoImposible = true;
while ((mBlockCount > mMaxUndoActions || mMemoryUsage>mMaxMemoryUsage)
while (((mMaxUndoActions >0 && mBlockCount > mMaxUndoActions)
|| (mMaxMemoryUsage>0 && mMemoryUsage>mMaxMemoryUsage))
&& !mItems.isEmpty()) {
//remove all undo item in block
PUndoItem item = mItems.front();
size_t changeNumber = item->changeNumber();
//we shouldn't drop the newest changes;
if (changeNumber == lastItem->changeNumber())
break;
while (mItems.count()>0) {
item = mItems.front();
if (item->changeNumber()!=changeNumber)
@ -1077,6 +1086,7 @@ void UndoList::ensureMaxEntries()
mBlockCount--;
}
}
// qDebug()<<QString("++ List Memory: %1").arg(mMemoryUsage);
}
SelectionMode UndoItem::changeSelMode() const
@ -1123,8 +1133,9 @@ UndoItem::UndoItem(ChangeReason reason, SelectionMode selMode,
foreach (const QString& s, text) {
length+=s.length();
}
mMemoryUsage -= length * sizeof(QChar) + text.length() * sizeof(QString)
mMemoryUsage = length * sizeof(QChar) + text.length() * sizeof(QString)
+ sizeof(UndoItem);
// qDebug()<<mMemoryUsage;
}
ChangeReason UndoItem::changeReason() const