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RedPanda-CPP
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ensure top pos aligns with line height after mouse drag.

This commit is contained in:
Roy Qu 2024-03-24 12:19:21 +08:00
parent 3be7a72fb9
commit 9fc276325e
1 changed files with 18 additions and 16 deletions
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34
libs/qsynedit/qsynedit/qsynedit.cpp
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@ -59,24 +59,21 @@ QSynEdit::QSynEdit(QWidget *parent) : QAbstractScrollArea(parent),
mFontDummy.setStyleStrategy(QFont::PreferAntialias);
mDocument = std::make_shared<Document>(mFontDummy, this);
connect(mDocument.get(), &Document::maxLineWidthChanged,
this, &QSynEdit::updateHScrollbar);
//fPlugins := TList.Create;
mMouseMoved = false;
mMouseOrigin = QPoint(0,0);
mUndoing = false;
mDocument->connect(mDocument.get(), &Document::changed, this, &QSynEdit::onLinesChanged);
mDocument->connect(mDocument.get(), &Document::changing, this, &QSynEdit::onLinesChanging);
mDocument->connect(mDocument.get(), &Document::cleared, this, &QSynEdit::onLinesCleared);
mDocument->connect(mDocument.get(), &Document::deleted, this, &QSynEdit::onLinesDeleted);
mDocument->connect(mDocument.get(), &Document::inserted, this, &QSynEdit::onLinesInserted);
mDocument->connect(mDocument.get(), &Document::putted, this, &QSynEdit::onLinesPutted);
connect(mDocument.get(), &Document::changed, this, &QSynEdit::onLinesChanged);
connect(mDocument.get(), &Document::changing, this, &QSynEdit::onLinesChanging);
connect(mDocument.get(), &Document::cleared, this, &QSynEdit::onLinesCleared);
connect(mDocument.get(), &Document::deleted, this, &QSynEdit::onLinesDeleted);
connect(mDocument.get(), &Document::inserted, this, &QSynEdit::onLinesInserted);
connect(mDocument.get(), &Document::putted, this, &QSynEdit::onLinesPutted);
connect(mDocument.get(), &Document::maxLineWidthChanged,
this, &QSynEdit::updateHScrollbar);
mDocument->connect(mDocument.get(), &Document::cleared, this, &QSynEdit::updateVScrollbar);
mDocument->connect(mDocument.get(), &Document::deleted, this, &QSynEdit::updateVScrollbar);
mDocument->connect(mDocument.get(), &Document::inserted, this, &QSynEdit::updateVScrollbar);
connect(mDocument.get(), &Document::cleared, this, &QSynEdit::updateVScrollbar);
connect(mDocument.get(), &Document::deleted, this, &QSynEdit::updateVScrollbar);
connect(mDocument.get(), &Document::inserted, this, &QSynEdit::updateVScrollbar);
mGutterWidth = 0;
mScrollBars = ScrollStyle::ssBoth;
@ -290,9 +287,9 @@ int QSynEdit::maxScrollWidth() const
if (useCodeFolding())
maxWidth += stringWidth(syntaxer()->foldString(""),maxWidth);
if (mOptions.testFlag(eoScrollPastEol))
return std::max(maxWidth ,1);
return std::max(maxWidth-2*mCharWidth, 0);
else
return std::max(maxWidth-viewWidth()+mCharWidth, 1);
return std::max(maxWidth-viewWidth()+mCharWidth, 0);
}
bool QSynEdit::getTokenAttriAtRowCol(const BufferCoord &pos, QString &token, PTokenAttribute &attri)
@ -6109,6 +6106,11 @@ void QSynEdit::mouseReleaseEvent(QMouseEvent *event)
mStateFlags.setFlag(StateFlag::sfWaitForDragging, false);
}
mStateFlags.setFlag(StateFlag::sfDblClicked,false);
if (mTopPos != mMouseScrollOldTop) {
int offset=mTopPos % mTextHeight;
if (offset != 0)
setTopPos(mTopPos - offset);
}
ensureCaretVisible();
if (oldCaret!=caretXY()) {
if (mOptions.testFlag(EditorOption::eoGroupUndo))
@ -6795,7 +6797,7 @@ void QSynEdit::setLeftPos(int value)
{
//int MaxVal;
//QRect iTextArea;
value = std::min(value,maxScrollWidth());
//value = std::min(value,maxScrollWidth());
value = std::max(value, 0);
if (value != mLeftPos) {
horizontalScrollBar()->setValue(value);
@ -6815,7 +6817,7 @@ int QSynEdit::topPos() const
void QSynEdit::setTopPos(int value)
{
value = std::min(value,maxScrollHeight());
//value = std::min(value,maxScrollHeight());
value = std::max(value, 0);
if (value != mTopPos) {
verticalScrollBar()->setValue(value);