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RedPanda-CPP
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- enhancement: when ctrl+mouse cursor hovered an identifier or header name, use underline to highlight it

This commit is contained in:
Roy Qu 2022-06-08 16:05:54 +08:00
parent 837dc9bb27
commit 5182e200fb
3 changed files with 91 additions and 40 deletions
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3
NEWS.md
View File

@ -1,3 +1,6 @@
Red Panda C++ Version 1.1.0
- enhancement: when ctrl+mouse cursor hovered an identifier or header name, use underline to highlight it
Red Panda C++ Version 1.0.10
- fix: modify watch doesn't work
- fix: make behavior consistent in adding compiler bindirs to Path (thanks for brokencuph@github)

127
RedPandaIDE/editor.cpp
View File

@ -93,7 +93,8 @@ Editor::Editor(QWidget *parent, const QString& filename,
mCurrentTipType(TipType::None),
mOldHighlightedWord(),
mCurrentHighlightedWord(),
mSaving(false)
mSaving(false),
mHoverModifiedLine(-1)
{
mCurrentLineModified = false;
mUseCppSyntax = pSettings->editor().defaultFileCpp();
@ -924,44 +925,68 @@ void Editor::onPreparePaintHighlightToken(int line, int aChar, const QString &to
if (token.isEmpty())
return;
if (mParser && mParser->enabled() && highlighter() && (attr == highlighter()->identifierAttribute())
&& !mParser->isIncludeLine(document()->getString(line-1)) ) {
BufferCoord p{aChar,line};
// BufferCoord pBeginPos,pEndPos;
// QString s= getWordAtPosition(this,p, pBeginPos,pEndPos, WordPurpose::wpInformation);
// qDebug()<<s;
// PStatement statement = mParser->findStatementOf(mFilename,
// s , p.Line);
QStringList expression = getExpressionAtPosition(p);
PStatement statement = parser()->findStatementOf(
filename(),
expression,
p.Line);
StatementKind kind = getKindOfStatement(statement);
if (kind == StatementKind::skUnknown) {
BufferCoord pBeginPos,pEndPos;
QString s= getWordAtPosition(this,p, pBeginPos,pEndPos, WordPurpose::wpInformation);
if ((pEndPos.Line>=1)
&& (pEndPos.Char>=0)
&& (pEndPos.Char+1 < document()->getString(pEndPos.Line-1).length())
&& (document()->getString(pEndPos.Line-1)[pEndPos.Char+1] == '(')) {
kind = StatementKind::skFunction;
} else {
kind = StatementKind::skVariable;
if (mParser && mParser->enabled() && highlighter()) {
QString lineText = document()->getString(line-1);
if (mParser->isIncludeLine(lineText)) {
if (cursor() == Qt::PointingHandCursor) {
BufferCoord p;
if (pointToCharLine(mapFromGlobal(QCursor::pos()),p)) {
if (line==p.Line){
int pos1=std::max(lineText.indexOf("<"),lineText.indexOf("\""));
int pos2=std::max(lineText.lastIndexOf(">"),lineText.lastIndexOf("\""));
pos1++;
pos2++;
if (pos1>0 && pos2>0 && pos1<aChar && aChar < pos2) {
style.setFlag(SynFontStyle::fsUnderline);
}
}
}
}
}
PColorSchemeItem item = mStatementColors->value(kind,PColorSchemeItem());
} else if (attr == highlighter()->identifierAttribute()) {
BufferCoord p{aChar,line};
// BufferCoord pBeginPos,pEndPos;
// QString s= getWordAtPosition(this,p, pBeginPos,pEndPos, WordPurpose::wpInformation);
// qDebug()<<s;
// PStatement statement = mParser->findStatementOf(mFilename,
// s , p.Line);
QStringList expression = getExpressionAtPosition(p);
PStatement statement = parser()->findStatementOf(
filename(),
expression,
p.Line);
StatementKind kind = getKindOfStatement(statement);
if (kind == StatementKind::skUnknown) {
BufferCoord pBeginPos,pEndPos;
QString s= getWordAtPosition(this,p, pBeginPos,pEndPos, WordPurpose::wpInformation);
if ((pEndPos.Line>=1)
&& (pEndPos.Char>=0)
&& (pEndPos.Char+1 < document()->getString(pEndPos.Line-1).length())
&& (document()->getString(pEndPos.Line-1)[pEndPos.Char+1] == '(')) {
kind = StatementKind::skFunction;
} else {
kind = StatementKind::skVariable;
}
}
PColorSchemeItem item = mStatementColors->value(kind,PColorSchemeItem());
if (item) {
foreground = item->foreground();
//background = item->background();
style.setFlag(SynFontStyle::fsBold,item->bold());
style.setFlag(SynFontStyle::fsItalic,item->italic());
style.setFlag(SynFontStyle::fsUnderline,item->underlined());
style.setFlag(SynFontStyle::fsStrikeOut,item->strikeout());
} else {
foreground = highlighter()->identifierAttribute()->foreground();
if (item) {
foreground = item->foreground();
//background = item->background();
style.setFlag(SynFontStyle::fsBold,item->bold());
style.setFlag(SynFontStyle::fsItalic,item->italic());
style.setFlag(SynFontStyle::fsUnderline,item->underlined());
style.setFlag(SynFontStyle::fsStrikeOut,item->strikeout());
} else {
foreground = highlighter()->identifierAttribute()->foreground();
}
if (cursor() == Qt::PointingHandCursor) {
BufferCoord p;
if (pointToCharLine(mapFromGlobal(QCursor::pos()),p)) {
if (line==p.Line && (aChar<=p.Char && p.Char<aChar+token.length())) {
style.setFlag(SynFontStyle::fsUnderline);
}
}
}
}
}
@ -1012,6 +1037,11 @@ bool Editor::event(QEvent *event)
&& !pMainWindow->completionPopup()->isVisible()
&& !pMainWindow->functionTip()->isVisible()
&& !pMainWindow->headerCompletionPopup()->isVisible()) {
if(mHoverModifiedLine!=-1) {
invalidateLine(mHoverModifiedLine);
mHoverModifiedLine=-1;
}
QHoverEvent *helpEvent = static_cast<QHoverEvent *>(event);
BufferCoord p;
TipType reason = getTipType(helpEvent->pos(),p);
@ -1067,11 +1097,17 @@ bool Editor::event(QEvent *event)
s = s.trimmed();
if ((s == mCurrentWord) && (mCurrentTipType == reason)) {
if (helpEvent->modifiers() == Qt::ControlModifier) {
if (qApp->queryKeyboardModifiers() == Qt::ControlModifier) {
if (!hasFocus())
activate();
setCursor(Qt::PointingHandCursor);
} else {
updateMouseCursor();
}
if (pointToLine(helpEvent->pos(),line)) {
invalidateLine(line);
mHoverModifiedLine=line;
}
event->ignore();
return true; // do NOT remove hint when subject stays the same
}
@ -1119,11 +1155,17 @@ bool Editor::event(QEvent *event)
if (!hint.isEmpty()) {
// QApplication* app = dynamic_cast<QApplication *>(QApplication::instance());
// if (app->keyboardModifiers().testFlag(Qt::ControlModifier)) {
if (helpEvent->modifiers() == Qt::ControlModifier) {
if (qApp->queryKeyboardModifiers() == Qt::ControlModifier) {
if (!hasFocus())
activate();
setCursor(Qt::PointingHandCursor);
} else if (cursor() == Qt::PointingHandCursor) {
updateMouseCursor();
}
if (pointToLine(helpEvent->pos(),line)) {
invalidateLine(line);
mHoverModifiedLine=line;
}
if (pMainWindow->functionTip()->isVisible()) {
pMainWindow->functionTip()->hide();
}
@ -1161,7 +1203,7 @@ void Editor::mouseReleaseEvent(QMouseEvent *event)
}
// if ctrl+clicked
if ((event->modifiers() == Qt::ControlModifier)
if ((cursor() == Qt::PointingHandCursor) && (event->modifiers() == Qt::ControlModifier)
&& (event->button() == Qt::LeftButton)) {
BufferCoord p;
@ -3339,6 +3381,11 @@ Editor::TipType Editor::getTipType(QPoint point, BufferCoord& pos)
void Editor::cancelHint()
{
if(mHoverModifiedLine!=-1) {
invalidateLine(mHoverModifiedLine);
mHoverModifiedLine=-1;
}
//MainForm.Debugger.OnEvalReady := nil;
// disable editor hint

1
RedPandaIDE/editor.h
View File

@ -332,6 +332,7 @@ private:
BufferCoord mHighlightCharPos2;
std::shared_ptr<QHash<StatementKind, std::shared_ptr<ColorSchemeItem> > > mStatementColors;
QTimer mFunctionTipTimer;
int mHoverModifiedLine;
// QWidget interface
protected: