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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "qtcreatorintegration.h"
#include "formwindoweditor.h"
#include "formeditorw.h"
#include "editordata.h"
#include <widgethost.h>
#include <designer/cpp/formclasswizardpage.h>
#include <cpptools/cppmodelmanager.h>
#include <cpptools/cpptoolsconstants.h>
#include <cpptools/cppworkingcopy.h>
#include <cpptools/insertionpointlocator.h>
#include <cpptools/symbolfinder.h>
#include <cplusplus/Overview.h>
#include <coreplugin/icore.h>
#include <texteditor/texteditor.h>
#include <projectexplorer/projectexplorer.h>
#include <projectexplorer/session.h>
#include <utils/qtcassert.h>
#include <QDesignerFormWindowInterface>
#include <QDesignerFormEditorInterface>
#include <QMessageBox>
#include <QFileInfo>
#include <QDir>
#include <QDebug>
#include <QUrl>
enum { indentation = 4 };
using namespace Designer::Internal;
using namespace CPlusPlus;
using namespace TextEditor;
using namespace ProjectExplorer;
static QString msgClassNotFound(const QString &uiClassName, const QList<Document::Ptr> &docList)
{
QString files;
foreach (const Document::Ptr &doc, docList) {
files += QLatin1Char('\n');
files += QDir::toNativeSeparators(doc->fileName());
}
return QtCreatorIntegration::tr(
"The class containing \"%1\" could not be found in %2.\n"
"Please verify the #include-directives.")
.arg(uiClassName, files);
}
QtCreatorIntegration::QtCreatorIntegration(QDesignerFormEditorInterface *core, QObject *parent)
: QDesignerIntegration(core, parent)
{
setResourceFileWatcherBehaviour(ReloadResourceFileSilently);
Feature f = features();
f |= SlotNavigationFeature;
f &= ~ResourceEditorFeature;
setFeatures(f);
connect(this, SIGNAL(navigateToSlot(QString,QString,QStringList)),
this, SLOT(slotNavigateToSlot(QString,QString,QStringList)));
connect(this, SIGNAL(helpRequested(QString,QString)),
this, SLOT(slotDesignerHelpRequested(QString,QString)));
slotSyncSettingsToDesigner();
connect(Core::ICore::instance(), SIGNAL(saveSettingsRequested()),
this, SLOT(slotSyncSettingsToDesigner()));
}
void QtCreatorIntegration::slotDesignerHelpRequested(const QString &manual, const QString &document)
{
// Pass on as URL.
emit creatorHelpRequested(QUrl(QString::fromLatin1("qthelp://com.trolltech.%1/qdoc/%2")
.arg(manual, document)));
}
void QtCreatorIntegration::updateSelection()
{
if (SharedTools::WidgetHost *host = FormEditorW::activeWidgetHost())
host->updateFormWindowSelectionHandles(true);
QDesignerIntegration::updateSelection();
}
QWidget *QtCreatorIntegration::containerWindow(QWidget * /*widget*/) const
{
if (SharedTools::WidgetHost *host = FormEditorW::activeWidgetHost())
return host->integrationContainer();
return 0;
}
static QList<Document::Ptr> findDocumentsIncluding(const Snapshot &docTable,
const QString &fileName, bool checkFileNameOnly)
{
QList<Document::Ptr> docList;
foreach (const Document::Ptr &doc, docTable) { // we go through all documents
const QList<Document::Include> includes = doc->resolvedIncludes()
+ doc->unresolvedIncludes();
foreach (const Document::Include &include, includes) {
if (checkFileNameOnly) {
const QFileInfo fi(include.unresolvedFileName());
if (fi.fileName() == fileName) { // we are only interested in docs which includes fileName only
docList.append(doc);
}
} else {
if (include.resolvedFileName() == fileName)
docList.append(doc);
}
}
}
return docList;
}
// Does klass inherit baseClass?
static bool inherits(const Overview &o, const Class *klass, const QString &baseClass)
{
const int baseClassCount = klass->baseClassCount();
for (int b = 0; b < baseClassCount; b++)
if (o.prettyName(klass->baseClassAt(b)->name()) == baseClass)
return true;
return false;
}
QString fullyQualifiedName(const LookupContext &context, const Name *name, Scope *scope)
{
if (!name || !scope)
return QString();
const QList<LookupItem> items = context.lookup(name, scope);
if (items.isEmpty()) { // "ui_xxx.h" might not be generated and nothing is forward declared.
return Overview().prettyName(name);
} else {
Symbol *symbol = items.first().declaration();
return Overview().prettyName(LookupContext::fullyQualifiedName(symbol));
}
return QString();
}
// Find class definition in namespace (that is, the outer class
// containing a member of the desired class type) or inheriting the desired class
// in case of forms using the Multiple Inheritance approach
static const Class *findClass(const Namespace *parentNameSpace, const LookupContext &context,
const QString &className, QString *namespaceName)
{
if (Designer::Constants::Internal::debug)
qDebug() << Q_FUNC_INFO << className;
const Overview o;
const unsigned namespaceMemberCount = parentNameSpace->memberCount();
for (unsigned i = 0; i < namespaceMemberCount; ++i) { // we go through all namespace members
const Symbol *sym = parentNameSpace->memberAt(i);
// we have found a class - we are interested in classes only
if (const Class *cl = sym->asClass()) {
// 1) we go through class members
const unsigned classMemberCount = cl->memberCount();
for (unsigned j = 0; j < classMemberCount; ++j)
if (Declaration *decl = cl->memberAt(j)->asDeclaration()) {
// we want to know if the class contains a member (so we look into
// a declaration) of uiClassName type
QString nameToMatch;
if (const NamedType *nt = decl->type()->asNamedType()) {
nameToMatch = fullyQualifiedName(context, nt->name(),
decl->enclosingScope());
// handle pointers to member variables
} else if (PointerType *pt = decl->type()->asPointerType()) {
if (NamedType *nt = pt->elementType()->asNamedType()) {
nameToMatch = fullyQualifiedName(context, nt->name(),
decl->enclosingScope());
}
}
if (!nameToMatch.isEmpty() && className == nameToMatch)
return cl;
} // decl
// 2) does it inherit the desired class
if (inherits(o, cl, className))
return cl;
} else {
// Check namespaces
if (const Namespace *ns = sym->asNamespace()) {
QString tempNS = *namespaceName;
tempNS += o.prettyName(ns->name());
tempNS += QLatin1String("::");
if (const Class *cl = findClass(ns, context, className, &tempNS)) {
*namespaceName = tempNS;
return cl;
}
} // member is namespave
} // member is no class
} // for members
return 0;
}
static Function *findDeclaration(const Class *cl, const QString &functionName)
{
const QString funName = QString::fromUtf8(QMetaObject::normalizedSignature(functionName.toUtf8()));
const unsigned mCount = cl->memberCount();
// we are interested only in declarations (can be decl of function or of a field)
// we are only interested in declarations of functions
const Overview overview;
for (unsigned j = 0; j < mCount; ++j) { // go through all members
if (Declaration *decl = cl->memberAt(j)->asDeclaration())
if (Function *fun = decl->type()->asFunctionType()) {
// Format signature
QString memberFunction = overview.prettyName(fun->name());
memberFunction += QLatin1Char('(');
const uint aCount = fun->argumentCount();
for (uint i = 0; i < aCount; i++) { // we build argument types string
const Argument *arg = fun->argumentAt(i)->asArgument();
if (i > 0)
memberFunction += QLatin1Char(',');
memberFunction += overview.prettyType(arg->type());
}
memberFunction += QLatin1Char(')');
// we compare normalized signatures
memberFunction = QString::fromUtf8(QMetaObject::normalizedSignature(memberFunction.toUtf8()));
if (memberFunction == funName) // we match function names and argument lists
return fun;
}
}
return 0;
}
// TODO: remove me, this is taken from cppeditor.cpp. Find some common place for this function
static Document::Ptr findDefinition(Function *functionDeclaration, int *line)
{
if (CppTools::CppModelManager *cppModelManager = CppTools::CppModelManager::instance()) {
const Snapshot snapshot = cppModelManager->snapshot();
CppTools::SymbolFinder symbolFinder;
if (Function *fun = symbolFinder.findMatchingDefinition(functionDeclaration, snapshot)) {
if (line)
*line = fun->line();
return snapshot.document(QString::fromUtf8(fun->fileName(), fun->fileNameLength()));
}
}
return Document::Ptr();
}
static inline BaseTextEditor *editorAt(const QString &fileName, int line, int column)
{
return qobject_cast<BaseTextEditor *>(Core::EditorManager::openEditorAt(fileName, line, column,
Core::Id(),
Core::EditorManager::DoNotMakeVisible));
}
static void addDeclaration(const Snapshot &snapshot,
const QString &fileName,
const Class *cl,
const QString &functionName)
{
QString declaration = QLatin1String("void ");
declaration += functionName;
declaration += QLatin1String(";\n");
CppTools::CppRefactoringChanges refactoring(snapshot);
CppTools::InsertionPointLocator find(refactoring);
const CppTools::InsertionLocation loc = find.methodDeclarationInClass(
fileName, cl, CppTools::InsertionPointLocator::PrivateSlot);
//
//! \todo change this to use the Refactoring changes.
//
if (BaseTextEditor *editor = editorAt(fileName, loc.line(), loc.column() - 1)) {
QTextCursor tc = editor->textCursor();
int pos = tc.position();
tc.beginEditBlock();
tc.insertText(loc.prefix() + declaration + loc.suffix());
tc.setPosition(pos, QTextCursor::KeepAnchor);
editor->textDocument()->autoIndent(tc);
tc.endEditBlock();
}
}
static Document::Ptr addDefinition(const Snapshot &docTable,
const QString &headerFileName,
const QString &className,
const QString &functionName,
int *line)
{
QString definition = QLatin1String("\nvoid ");
definition += className;
definition += QLatin1String("::");
definition += functionName;
definition += QLatin1String("\n{\n");
definition += QString(indentation, QLatin1Char(' '));
definition += QLatin1String("\n}\n");
// we find all documents which include headerFileName
const QList<Document::Ptr> docList = findDocumentsIncluding(docTable, headerFileName, false);
if (docList.isEmpty())
return Document::Ptr();
QFileInfo headerFI(headerFileName);
const QString headerBaseName = headerFI.completeBaseName();
foreach (const Document::Ptr &doc, docList) {
const QFileInfo sourceFI(doc->fileName());
// we take only those documents which have the same filename
if (headerBaseName == sourceFI.baseName()) {
//
//! \todo change this to use the Refactoring changes.
//
if (BaseTextEditor *editor = editorAt(doc->fileName(), 0, 0)) {
//
//! \todo use the InsertionPointLocator to insert at the correct place.
// (we'll have to extend that class first to do definition insertions)
const QString contents = editor->textDocument()->plainText();
int column;
editor->convertPosition(contents.length(), line, &column);
editor->gotoLine(*line, column);
editor->insert(definition);
*line += 1;
}
return doc;
}
}
return Document::Ptr();
}
static QString addConstRefIfNeeded(const QString &argument)
{
if (argument.startsWith(QLatin1String("const "))
|| argument.endsWith(QLatin1Char('&'))
|| argument.endsWith(QLatin1Char('*')))
return argument;
// for those types we don't want to add "const &"
static const QStringList nonConstRefs = QStringList()
<< QLatin1String("bool")
<< QLatin1String("int")
<< QLatin1String("uint")
<< QLatin1String("float")
<< QLatin1String("double")
<< QLatin1String("long")
<< QLatin1String("short")
<< QLatin1String("char")
<< QLatin1String("signed")
<< QLatin1String("unsigned")
<< QLatin1String("qint64")
<< QLatin1String("quint64");
for (int i = 0; i < nonConstRefs.count(); i++) {
const QString nonConstRef = nonConstRefs.at(i);
if (argument == nonConstRef || argument.startsWith(nonConstRef + QLatin1Char(' ')))
return argument;
}
return QLatin1String("const ") + argument + QLatin1Char('&');
}
static QString formatArgument(const QString &argument)
{
QString formattedArgument = argument;
int i = argument.count();
while (i > 0) { // from the end of the "argument" string
i--;
const QChar c = argument.at(i); // take the char
if (c != QLatin1Char('*') && c != QLatin1Char('&')) { // if it's not the * or &
formattedArgument.insert(i + 1, QLatin1Char(' ')); // insert space after that char or just append space (to separate it from the parameter name)
break;
}
}
return formattedArgument;
}
// Insert the parameter names into a signature, "void foo(bool)" ->
// "void foo(bool checked)"
static QString addParameterNames(const QString &functionSignature, const QStringList ¶meterNames)
{
const int firstParen = functionSignature.indexOf(QLatin1Char('('));
QString functionName = functionSignature.left(firstParen + 1);
QString argumentsString = functionSignature.mid(firstParen + 1);
const int lastParen = argumentsString.lastIndexOf(QLatin1Char(')'));
if (lastParen != -1)
argumentsString.truncate(lastParen);
const QStringList arguments = argumentsString.split(QLatin1Char(','), QString::SkipEmptyParts);
const int pCount = parameterNames.count();
const int aCount = arguments.count();
for (int i = 0; i < aCount; ++i) {
if (i > 0)
functionName += QLatin1String(", ");
const QString argument = addConstRefIfNeeded(arguments.at(i));
functionName += formatArgument(argument);
if (i < pCount) {
// prepare parameterName
QString parameterName = parameterNames.at(i);
if (parameterName.isEmpty()) {
const QString generatedName = QLatin1String("arg") + QString::number(i + 1);
if (!parameterNames.contains(generatedName))
parameterName = generatedName;
}
// add parameterName if not empty
if (!parameterName.isEmpty())
functionName += parameterName;
}
}
functionName += QLatin1Char(')');
return functionName;
}
// Recursively find a class definition in the document passed on or in its
// included files (going down [maxIncludeDepth] includes) and return a pair
// of <Class*, Document>.
typedef QPair<const Class *, Document::Ptr> ClassDocumentPtrPair;
static ClassDocumentPtrPair
findClassRecursively(const LookupContext &context, const QString &className,
unsigned maxIncludeDepth, QString *namespaceName)
{
const Document::Ptr doc = context.thisDocument();
const Snapshot docTable = context.snapshot();
if (Designer::Constants::Internal::debug)
qDebug() << Q_FUNC_INFO << doc->fileName() << className << maxIncludeDepth;
// Check document
if (const Class *cl = findClass(doc->globalNamespace(), context, className, namespaceName))
return ClassDocumentPtrPair(cl, doc);
if (maxIncludeDepth) {
// Check the includes
const unsigned recursionMaxIncludeDepth = maxIncludeDepth - 1u;
foreach (const QString &include, doc->includedFiles()) {
const Snapshot::const_iterator it = docTable.find(include);
if (it != docTable.end()) {
const Document::Ptr includeDoc = it.value();
LookupContext context(includeDoc, docTable);
const ClassDocumentPtrPair irc = findClassRecursively(context, className,
recursionMaxIncludeDepth, namespaceName);
if (irc.first)
return irc;
}
}
}
return ClassDocumentPtrPair(0, Document::Ptr());
}
void QtCreatorIntegration::slotNavigateToSlot(const QString &objectName, const QString &signalSignature,
const QStringList ¶meterNames)
{
QString errorMessage;
if (!navigateToSlot(objectName, signalSignature, parameterNames, &errorMessage) && !errorMessage.isEmpty())
QMessageBox::warning(FormEditorW::designerEditor()->topLevel(), tr("Error finding/adding a slot."), errorMessage);
}
// Build name of the class as generated by uic, insert Ui namespace
// "foo::bar::form" -> "foo::bar::Ui::form"
static inline QString uiClassName(QString formObjectName)
{
const int indexOfScope = formObjectName.lastIndexOf(QLatin1String("::"));
const int uiNameSpaceInsertionPos = indexOfScope >= 0 ? indexOfScope + 2 : 0;
formObjectName.insert(uiNameSpaceInsertionPos, QLatin1String("Ui::"));
return formObjectName;
}
static Document::Ptr getParsedDocument(const QString &fileName,
CppTools::WorkingCopy &workingCopy,
Snapshot &snapshot)
{
QByteArray src;
if (workingCopy.contains(fileName)) {
src = workingCopy.source(fileName);
} else {
Utils::FileReader reader;
if (reader.fetch(fileName)) // ### FIXME error reporting
src = QString::fromLocal8Bit(reader.data()).toUtf8();
}
Document::Ptr doc = snapshot.preprocessedDocument(src, fileName);
doc->check();
snapshot.insert(doc);
return doc;
}
// Goto slot invoked by the designer context menu. Either navigates
// to an existing slot function or create a new one.
bool QtCreatorIntegration::navigateToSlot(const QString &objectName,
const QString &signalSignature,
const QStringList ¶meterNames,
QString *errorMessage)
{
typedef QMap<int, Document::Ptr> DocumentMap;
const QString currentUiFile = FormEditorW::activeEditor()->document()->filePath().toString();
#if 0
return Designer::Internal::navigateToSlot(currentUiFile, objectName, signalSignature, parameterNames, errorMessage);
#endif
// TODO: we should pass to findDocumentsIncluding an absolute path to generated .h file from ui.
// Currently we are guessing the name of ui_<>.h file and pass the file name only to the findDocumentsIncluding().
// The idea is that the .pro file knows if the .ui files is inside, and the .pro file knows it will
// be generating the ui_<>.h file for it, and the .pro file knows what the generated file's name and its absolute path will be.
// So we should somehow get that info from project manager (?)
const QFileInfo fi(currentUiFile);
const QString uiFolder = fi.absolutePath();
const QString uicedName = QLatin1String("ui_") + fi.completeBaseName() + QLatin1String(".h");
// Retrieve code model snapshot restricted to project of ui file or the working copy.
Snapshot docTable = CppTools::CppModelManager::instance()->snapshot();
Snapshot newDocTable;
const Project *uiProject = SessionManager::projectForFile(currentUiFile);
if (uiProject) {
for (Snapshot::const_iterator i = docTable.begin(), ei = docTable.end(); i != ei; ++i) {
const Project *project = SessionManager::projectForFile(i.key().toString());
if (project == uiProject)
newDocTable.insert(i.value());
}
} else {
const CppTools::WorkingCopy workingCopy =
CppTools::CppModelManager::instance()->workingCopy();
const Utils::FileName configFileName =
Utils::FileName::fromString(CppTools::CppModelManager::configurationFileName());
QHashIterator<Utils::FileName, QPair<QByteArray, unsigned> > it = workingCopy.iterator();
while (it.hasNext()) {
it.next();
const Utils::FileName &fileName = it.key();
if (fileName != configFileName)
newDocTable.insert(docTable.document(fileName.toString()));
}
}
docTable = newDocTable;
// take all docs, find the ones that include the ui_xx.h.
// Sort into a map, putting the ones whose path closely matches the ui-folder path
// first in case there are project subdirectories that contain identical file names.
const QList<Document::Ptr> docList = findDocumentsIncluding(docTable, uicedName, true); // change to false when we know the absolute path to generated ui_<>.h file
DocumentMap docMap;
foreach (const Document::Ptr &d, docList) {
const QFileInfo docFi(d->fileName());
docMap.insert(qAbs(docFi.absolutePath().compare(uiFolder, Qt::CaseInsensitive)), d);
}
if (Designer::Constants::Internal::debug)
qDebug() << Q_FUNC_INFO << objectName << signalSignature << "Looking for " << uicedName << " returned " << docList.size();
if (docMap.isEmpty()) {
*errorMessage = tr("No documents matching \"%1\" could be found.\nRebuilding the project might help.").arg(uicedName);
return false;
}
QDesignerFormWindowInterface *fwi = FormEditorW::activeWidgetHost()->formWindow();
const QString uiClass = uiClassName(fwi->mainContainer()->objectName());
if (Designer::Constants::Internal::debug)
qDebug() << "Checking docs for " << uiClass;
// Find the class definition (ui class defined as member or base class)
// in the file itself or in the directly included files (order 1).
QString namespaceName;
const Class *cl = 0;
Document::Ptr doc;
foreach (const Document::Ptr &d, docMap) {
LookupContext context(d, docTable);
const ClassDocumentPtrPair cd = findClassRecursively(context, uiClass, 1u , &namespaceName);
if (cd.first) {
cl = cd.first;
doc = cd.second;
break;
}
}
if (!cl) {
*errorMessage = msgClassNotFound(uiClass, docList);
return false;
}
Overview o;
const QString className = namespaceName + o.prettyName(cl->name());
if (Designer::Constants::Internal::debug)
qDebug() << "Found class " << className << doc->fileName();
const QString functionName = QLatin1String("on_") + objectName + QLatin1Char('_') + signalSignature;
const QString functionNameWithParameterNames = addParameterNames(functionName, parameterNames);
if (Designer::Constants::Internal::debug)
qDebug() << Q_FUNC_INFO << "Found " << uiClass << doc->fileName() << " checking " << functionName << functionNameWithParameterNames;
int line = 0;
Document::Ptr sourceDoc;
if (Function *fun = findDeclaration(cl, functionName)) {
sourceDoc = findDefinition(fun, &line);
if (!sourceDoc) {
// add function definition to cpp file
sourceDoc = addDefinition(docTable, doc->fileName(), className, functionNameWithParameterNames, &line);
}
} else {
// add function declaration to cl
CppTools::WorkingCopy workingCopy =
CppTools::CppModelManager::instance()->workingCopy();
const QString fileName = doc->fileName();
getParsedDocument(fileName, workingCopy, docTable);
addDeclaration(docTable, fileName, cl, functionNameWithParameterNames);
// add function definition to cpp file
sourceDoc = addDefinition(docTable, fileName, className, functionNameWithParameterNames, &line);
}
if (!sourceDoc) {
*errorMessage = tr("Unable to add the method definition.");
return false;
}
// jump to function definition, position within code
Core::EditorManager::openEditorAt(sourceDoc->fileName(), line + 2, indentation);
return true;
}
void QtCreatorIntegration::slotSyncSettingsToDesigner()
{
// Set promotion-relevant parameters on integration.
setHeaderSuffix(Core::MimeDatabase::preferredSuffixByType(QLatin1String(CppTools::Constants::CPP_HEADER_MIMETYPE)));
setHeaderLowercase(FormClassWizardPage::lowercaseHeaderFiles());
}
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