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RedPanda-CPP
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Done: 

- Caret move
- Delete current char / last char
Fix:
- Selection not correctly drawn
This commit is contained in:
Roy Qu 2024-02-24 11:25:41 +08:00
parent 06b8850970
commit cb2b119e46
4 changed files with 66 additions and 43 deletions
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10
libs/qsynedit/qsynedit/document.cpp
View File

@ -893,6 +893,14 @@ int Document::stringWidth(const QString &str, int left) const
return right - left;
}
int Document::glyphCount(int line)
{
QMutexLocker locker(&mMutex);
if (line<0 || line>=count())
return 0;
return mLines[line]->glyphsCount();
}
int Document::glyphStartChar(int line, int glyphIdx)
{
QMutexLocker locker(&mMutex);
@ -1234,7 +1242,7 @@ void DocumentLine::updateWidth()
{
Q_ASSERT(mUpdateWidthFunc!=nullptr);
mGlyphPositionList = mUpdateWidthFunc(mLineText, mGlyphStartCharList, mWidth);
qDebug()<<mLineText<<mWidth<<mGlyphPositionList;
// qDebug()<<"Update Width"<<mLineText<<mWidth<<mGlyphPositionList;
}
const QList<int> &DocumentLine::glyphPositionList()

1
libs/qsynedit/qsynedit/document.h
View File

@ -439,6 +439,7 @@ public:
*/
int stringWidth(const QString &str, int left) const;
int glyphCount(int line);
/**
* @brief get start index of the chars representing the specified glyph in the specified line.
*

2
libs/qsynedit/qsynedit/painter.cpp
View File

@ -382,7 +382,7 @@ void QSynEditPainter::paintToken(
QString glyph = token.mid(glyphStart,glyphEnd-glyphStart);
int glyphWidth = mEdit->document()->glyphWidth(glyph, tokenLeft+tokenWidth);
// qDebug()<<glyph<<charCols;
if (tokenWidth+glyphWidth>=first) {
if (tokenWidth+glyphWidth>first) {
if (!startPaint ) {
nX-= (first - tokenWidth - 1) ;
startPaint = true;

90
libs/qsynedit/qsynedit/qsynedit.cpp
View File

@ -726,12 +726,18 @@ DisplayCoord QSynEdit::pixelsToNearestGlyphPos(int aX, int aY) const
line = 1;
if (line>mDocument->count())
line = mDocument->count();
if (xpos<0)
if (xpos<0) {
xpos=0;
if (xpos>mDocument->lineWidth(line-1))
} else if (xpos>mDocument->lineWidth(line-1)) {
xpos=mDocument->lineWidth(line-1)+1;
} else {
int glyphIndex = mDocument->xposToGlyphIndex(line-1, xpos);
int nextGlyphPos = mDocument->glyphStartPostion(line-1, glyphIndex+1);
if (nextGlyphPos - xpos < mCharWidth / 2)
xpos = nextGlyphPos;
else
xpos = mDocument->glyphStartPostion(line-1, glyphIndex);
}
return DisplayCoord{xpos, row};
}
@ -1873,11 +1879,11 @@ void QSynEdit::doDeleteLastChar()
return;
}
bool shouldAddGroupBreak=false;
QString Temp = lineText();
int Len = Temp.length();
QString tempStr = lineText();
int tempStrLen = tempStr.length();
BufferCoord Caret = caretXY();
QStringList helper;
if (mCaretX > Len + 1) {
if (mCaretX > tempStrLen + 1) {
// only move caret one column
return;
} else if (mCaretX == 1) {
@ -1887,7 +1893,7 @@ void QSynEdit::doDeleteLastChar()
internalSetCaretX(mDocument->getLine(mCaretY - 1).length() + 1);
mDocument->deleteAt(mCaretY);
doLinesDeleted(mCaretY+1, 1);
setLineText(lineText() + Temp);
setLineText(lineText() + tempStr);
helper.append("");
helper.append("");
shouldAddGroupBreak=true;
@ -1896,7 +1902,7 @@ void QSynEdit::doDeleteLastChar()
// delete text before the caret
// int startChar = charTo
// int caretXPos = charToGlyph(mCaretY,mCaretX);
int SpaceCount1 = leftSpaces(Temp);
int SpaceCount1 = leftSpaces(tempStr);
int SpaceCount2 = 0;
int newCaretX;
@ -1907,19 +1913,23 @@ void QSynEdit::doDeleteLastChar()
BackCounter = tabSize();
SpaceCount2 = std::max(0,SpaceCount1 - tabSize());
newCaretX = xposToGlyphStartChar(mCaretY,SpaceCount2+1);
helper.append(Temp.mid(newCaretX - 1, mCaretX - newCaretX));
Temp.remove(newCaretX-1,mCaretX - newCaretX);
properSetLine(mCaretY - 1, Temp);
helper.append(tempStr.mid(newCaretX - 1, mCaretX - newCaretX));
tempStr.remove(newCaretX-1,mCaretX - newCaretX);
properSetLine(mCaretY - 1, tempStr);
internalSetCaretX(newCaretX);
} else {
// delete char
internalSetCaretX(mCaretX - 1);
QChar ch=Temp[mCaretX-1];
if (ch==' ' || ch=='\t')
int glyphIndex = mDocument->charToGlyphIndex(mCaretY-1,mCaretX-1);
Q_ASSERT(glyphIndex>0);
int oldCaretX = mCaretX;
int newCaretX = mDocument->glyphStartChar(mCaretY-1, glyphIndex-1)+1;
QString s = tempStr.mid(newCaretX-1, oldCaretX-newCaretX);
internalSetCaretX(newCaretX);
if (s==' ' || s=='\t')
shouldAddGroupBreak=true;
helper.append(QString(ch));
Temp.remove(mCaretX-1,1);
properSetLine(mCaretY - 1, Temp);
helper.append(s);
tempStr.remove(newCaretX-1, oldCaretX-newCaretX);
properSetLine(mCaretY - 1, tempStr);
}
}
if ((Caret.ch != mCaretX) || (Caret.line != mCaretY)) {
@ -1933,7 +1943,7 @@ void QSynEdit::doDeleteLastChar()
void QSynEdit::doDeleteCurrentChar()
{
QStringList helper;
BufferCoord Caret;
BufferCoord newCaret;
if (mReadOnly) {
return;
}
@ -1959,27 +1969,29 @@ void QSynEdit::doDeleteCurrentChar()
// Call UpdateLastCaretX. Even though the caret doesn't move, the
// current caret position should "stick" whenever text is modified.
updateLastCaretX();
QString Temp = lineText();
int Len = Temp.length();
if (mCaretX>Len+1) {
QString tempStr = lineText();
int tempStrLen = tempStr.length();
if (mCaretX>tempStrLen+1) {
return;
} else if (mCaretX <= Len) {
QChar ch = Temp[mCaretX-1];
if (ch==' ' || ch=='\t')
} else if (mCaretX <= tempStrLen) {
int glyphIndex = mDocument->charToGlyphIndex(mCaretY-1,mCaretX-1);
int glyphLen = mDocument->glyphLength(mCaretY-1,glyphIndex);
QString s = tempStr.mid(mCaretX-1,glyphLen);
if (s==' ' || s=='\t')
shouldAddGroupBreak=true;
// delete char
helper.append(QString(ch));
Caret.ch = mCaretX + 1;
Caret.line = mCaretY;
Temp.remove(mCaretX-1, 1);
properSetLine(mCaretY - 1, Temp);
helper.append(s);
newCaret.ch = mCaretX + glyphLen;
newCaret.line = mCaretY;
tempStr.remove(mCaretX-1, glyphLen);
properSetLine(mCaretY - 1, tempStr);
} else {
// join line with the line after
if (mCaretY < mDocument->count()) {
shouldAddGroupBreak=true;
properSetLine(mCaretY - 1, Temp + mDocument->getLine(mCaretY));
Caret.ch = 1;
Caret.line = mCaretY + 1;
properSetLine(mCaretY - 1, tempStr + mDocument->getLine(mCaretY));
newCaret.ch = 1;
newCaret.line = mCaretY + 1;
helper.append("");
helper.append("");
mDocument->deleteAt(mCaretY);
@ -1989,8 +2001,8 @@ void QSynEdit::doDeleteCurrentChar()
doLinesDeleted(mCaretY + 1, 1);
}
}
if ((Caret.ch != mCaretX) || (Caret.line != mCaretY)) {
mUndoList->addChange(ChangeReason::Delete, caretXY(), Caret,
if ((newCaret.ch != mCaretX) || (newCaret.line != mCaretY)) {
mUndoList->addChange(ChangeReason::Delete, caretXY(), newCaret,
helper, mActiveSelectionMode);
if (shouldAddGroupBreak)
mUndoList->addGroupBreak();
@ -4760,8 +4772,7 @@ void QSynEdit::processCommand(EditCommand Command, QChar AChar, void *pData)
void QSynEdit::moveCaretHorz(int deltaX, bool isSelection)
{
BufferCoord ptO = caretXY();
BufferCoord ptDst = ptO;
BufferCoord ptDst = caretXY();
QString s = displayLineText();
int nLineLen = s.length();
if (!isSelection && selAvail() && (deltaX!=0)) {
@ -4781,7 +4792,8 @@ void QSynEdit::moveCaretHorz(int deltaX, bool isSelection)
// only moving or selecting one char can change the line
//bool bChangeY = !mOptions.testFlag(SynEditorOption::eoScrollPastEol);
bool bChangeY=true;
if (bChangeY && (deltaX == -1) && (ptO.ch == 1) && (ptO.line > 1)) {
int glyphIndex = mDocument->charToGlyphIndex(ptDst.line-1,ptDst.ch-1);
if (bChangeY && (deltaX == -1) && (glyphIndex==0) && (ptDst.line > 1)) {
// end of previous line
if (mActiveSelectionMode==SelectionMode::Column) {
return;
@ -4793,7 +4805,7 @@ void QSynEdit::moveCaretHorz(int deltaX, bool isSelection)
ptDst.line = line;
ptDst.ch = getDisplayStringAtLine(ptDst.line).length() + 1;
}
} else if (bChangeY && (deltaX == 1) && (ptO.ch > nLineLen) && (ptO.line < mDocument->count())) {
} else if (bChangeY && (deltaX == 1) && (glyphIndex >= mDocument->glyphCount(ptDst.line-1)) && (ptDst.line < mDocument->count())) {
// start of next line
if (mActiveSelectionMode==SelectionMode::Column) {
return;
@ -4807,7 +4819,9 @@ void QSynEdit::moveCaretHorz(int deltaX, bool isSelection)
ptDst.ch = 1;
}
} else {
ptDst.ch = std::max(1, ptDst.ch + deltaX);
// qDebug()<<"Move caret horizontal"<<ptDst.line<<ptDst.ch<<glyphIndex<<deltaX;
ptDst.ch = std::max(1, mDocument->glyphStartChar(ptDst.line-1, glyphIndex + deltaX)+1);
qDebug()<<ptDst.ch;
// don't go past last char when ScrollPastEol option not set
if ((deltaX > 0) && bChangeY)
ptDst.ch = std::min(ptDst.ch, nLineLen + 1);