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Include position information in the link

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Allowed customizing the link for includes and macro uses and fix it for
highlighting the name.
This commit is contained in:
Thorbjørn Lindeijer
2009-03-24 11:13:37 +01:00
parent eebe9e2fc8
commit 1682a41869
2 changed files with 81 additions and 43 deletions
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97
src/plugins/cppeditor/cppeditor.cpp
View File

@@ -370,7 +370,7 @@ void CPPEditor::jumpToMethod(int)
if (! symbol)
return;
openCppEditorAt(locationForSymbol(symbol));
openCppEditorAt(linkToSymbol(symbol));
}
void CPPEditor::updateMethodBoxIndex()
@@ -579,49 +579,63 @@ void CPPEditor::switchDeclarationDefinition()
declaration = symbols.first();
if (declaration)
openCppEditorAt(locationForSymbol(declaration));
openCppEditorAt(linkToSymbol(declaration));
} else if (lastSymbol->type()->isFunctionType()) {
if (Symbol *def = findDefinition(lastSymbol))
openCppEditorAt(locationForSymbol(def));
openCppEditorAt(linkToSymbol(def));
}
}
CPPEditor::Location CPPEditor::findDestinationFor(const QTextCursor &cursor)
CPPEditor::Link CPPEditor::findLinkAt(const QTextCursor &cursor)
{
Location dest;
Link link;
if (!m_modelManager)
return dest;
return link;
const Snapshot snapshot = m_modelManager->snapshot();
int line = 0, column = 0;
convertPosition(cursor.position(), &line, &column);
Document::Ptr doc = snapshot.value(file()->fileName());
if (!doc)
return dest;
return link;
// Handle include directives
const unsigned lineno = cursor.blockNumber() + 1;
foreach (const Document::Include &incl, doc->includes()) {
if (incl.line() == lineno) {
dest.fileName = incl.fileName();
return dest;
link.fileName = incl.fileName();
link.pos = cursor.block().position();
link.length = cursor.block().length();
return link;
}
}
// Find the last symbol up to the cursor position
Symbol *lastSymbol = doc->findSymbolAt(line, column);
if (!lastSymbol)
return dest;
return link;
// Get the expression under the cursor
// Check whether we're at a name
const int endOfName = endOfNameAtPosition(cursor.position());
if (!characterAt(endOfName - 1).isLetterOrNumber())
return link;
// Remember the position and length of the name
QTextCursor tc = cursor;
tc.setPosition(endOfName);
tc.movePosition(QTextCursor::PreviousWord, QTextCursor::KeepAnchor);
const int nameStart = tc.position();
const int nameLength = tc.anchor() - tc.position();
// Drop out if we're at a number
if (characterAt(nameStart).isNumber())
return link;
// Evaluate the type of the expression under the cursor
tc.setPosition(endOfName);
ExpressionUnderCursor expressionUnderCursor;
const QString expression = expressionUnderCursor(tc);
// Evaluate the type of the expression
TypeOfExpression typeOfExpression;
typeOfExpression.setSnapshot(snapshot);
QList<TypeOfExpression::Result> resolvedSymbols =
@@ -634,7 +648,10 @@ CPPEditor::Location CPPEditor::findDestinationFor(const QTextCursor &cursor)
if (!lastSymbol->isFunction())
def = findDefinition(symbol);
return locationForSymbol(def ? def : symbol);
link = linkToSymbol(def ? def : symbol);
link.pos = nameStart;
link.length = nameLength;
return link;
// This would jump to the type of a name
#if 0
@@ -651,19 +668,21 @@ CPPEditor::Location CPPEditor::findDestinationFor(const QTextCursor &cursor)
foreach (const Document::MacroUse use, doc->macroUses()) {
if (use.contains(endOfName - 1)) {
const Macro &macro = use.macro();
dest.fileName = QString::fromUtf8(macro.fileName());
dest.line = macro.line();
return dest;
link.fileName = QString::fromUtf8(macro.fileName());
link.line = macro.line();
link.pos = use.begin();
link.length = use.end() - use.begin();
return link;
}
}
}
return dest;
return link;
}
void CPPEditor::jumpToDefinition()
{
openCppEditorAt(findDestinationFor(textCursor()));
openCppEditorAt(findLinkAt(textCursor()));
}
Symbol *CPPEditor::findDefinition(Symbol *symbol)
@@ -791,12 +810,26 @@ void CPPEditor::mouseMoveEvent(QMouseEvent *e)
if (e->modifiers() & Qt::ControlModifier) {
// Link emulation behaviour for 'go to definition'
const QTextCursor cursor = cursorForPosition(e->pos());
const Location loc = findDestinationFor(cursor);
if (!loc.fileName.isEmpty()) {
// Check that the mouse was actually on the text somewhere
bool onText = cursorRect(cursor).right() >= e->x();
if (!onText) {
QTextCursor nextPos = cursor;
nextPos.movePosition(QTextCursor::Right);
onText = cursorRect(nextPos).right() >= e->x();
}
const Link link = findLinkAt(cursor);
if (onText && !link.fileName.isEmpty()) {
QTextEdit::ExtraSelection sel;
sel.cursor = cursor;
sel.cursor.select(QTextCursor::WordUnderCursor);
if (link.pos >= 0) {
sel.cursor.setPosition(link.pos);
sel.cursor.setPosition(link.pos + link.length, QTextCursor::KeepAnchor);
} else {
sel.cursor.select(QTextCursor::WordUnderCursor);
}
sel.format.setFontUnderline(true);
sel.format.setForeground(Qt::blue);
setExtraSelections(OtherSelection, QList<QTextEdit::ExtraSelection>() << sel);
@@ -821,7 +854,7 @@ void CPPEditor::mouseReleaseEvent(QMouseEvent *e)
&& e->button() == Qt::LeftButton) {
const QTextCursor cursor = cursorForPosition(e->pos());
if (openCppEditorAt(findDestinationFor(cursor))) {
if (openCppEditorAt(findLinkAt(cursor))) {
setExtraSelections(OtherSelection, QList<QTextEdit::ExtraSelection>());
viewport()->setCursor(Qt::IBeamCursor);
e->accept();
@@ -1024,7 +1057,7 @@ int CPPEditor::endOfNameAtPosition(int pos)
return pos;
}
CPPEditor::Location CPPEditor::locationForSymbol(CPlusPlus::Symbol *symbol)
CPPEditor::Link CPPEditor::linkToSymbol(CPlusPlus::Symbol *symbol)
{
const QString fileName = QString::fromUtf8(symbol->fileName(),
symbol->fileNameLength());
@@ -1037,24 +1070,24 @@ CPPEditor::Location CPPEditor::locationForSymbol(CPlusPlus::Symbol *symbol)
if (symbol->isGenerated())
column = 0;
return Location(fileName, line, column);
return Link(fileName, line, column);
}
bool CPPEditor::openCppEditorAt(const Location &loc)
bool CPPEditor::openCppEditorAt(const Link &link)
{
if (loc.fileName.isEmpty())
if (link.fileName.isEmpty())
return false;
if (baseTextDocument()->fileName() == loc.fileName) {
if (baseTextDocument()->fileName() == link.fileName) {
Core::EditorManager *editorManager = Core::EditorManager::instance();
editorManager->addCurrentPositionToNavigationHistory();
gotoLine(loc.line, loc.column);
gotoLine(link.line, link.column);
setFocus();
return true;
}
return TextEditor::BaseTextEditor::openEditorAt(loc.fileName,
loc.line,
loc.column,
return TextEditor::BaseTextEditor::openEditorAt(link.fileName,
link.line,
link.column,
Constants::C_CPPEDITOR);
}

27
src/plugins/cppeditor/cppeditor.h
View File

@@ -128,24 +128,29 @@ private:
int endOfNameAtPosition(int pos);
struct Location
struct Link
{
Location(const QString &fileName = QString(),
int line = 0,
int column = 0)
: fileName(fileName)
Link(const QString &fileName = QString(),
int line = 0,
int column = 0)
: pos(-1)
, length(-1)
, fileName(fileName)
, line(line)
, column(column)
{}
QString fileName;
int line;
int column;
int pos; // Link position
int length; // Link length
QString fileName; // Target file
int line; // Target line
int column; // Target column
};
Location findDestinationFor(const QTextCursor &);
static Location locationForSymbol(CPlusPlus::Symbol *symbol);
bool openCppEditorAt(const Location &);
Link findLinkAt(const QTextCursor &);
static Link linkToSymbol(CPlusPlus::Symbol *symbol);
bool openCppEditorAt(const Link &);
CppTools::CppModelManagerInterface *m_modelManager;