forked from qt-creator/qt-creator
Renamed the DUI editor to QML editor.
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120
src/plugins/qmleditor/qmlhoverhandler.cpp
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120
src/plugins/qmleditor/qmlhoverhandler.cpp
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "qmlhoverhandler.h"
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#include "qmleditor.h"
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#include <coreplugin/icore.h>
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#include <coreplugin/uniqueidmanager.h>
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#include <coreplugin/editormanager/editormanager.h>
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#include <extensionsystem/pluginmanager.h>
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#include <texteditor/itexteditor.h>
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#include <texteditor/basetexteditor.h>
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#include <debugger/debuggerconstants.h>
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#include <QtCore/QDebug>
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#include <QtCore/QDir>
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#include <QtCore/QFileInfo>
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#include <QtCore/QSettings>
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#include <QtGui/QToolTip>
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#include <QtGui/QTextCursor>
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#include <QtGui/QTextBlock>
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#include <QtHelp/QHelpEngineCore>
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using namespace QmlEditor::Internal;
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using namespace Core;
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QmlHoverHandler::QmlHoverHandler(QObject *parent)
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: QObject(parent)
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{
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ICore *core = ICore::instance();
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// Listen for editor opened events in order to connect to tooltip/helpid requests
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connect(core->editorManager(), SIGNAL(editorOpened(Core::IEditor *)),
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this, SLOT(editorOpened(Core::IEditor *)));
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}
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void QmlHoverHandler::editorOpened(IEditor *editor)
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{
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ScriptEditorEditable *qmlEditor = qobject_cast<ScriptEditorEditable *>(editor);
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if (!qmlEditor)
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return;
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connect(qmlEditor, SIGNAL(tooltipRequested(TextEditor::ITextEditor*, QPoint, int)),
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this, SLOT(showToolTip(TextEditor::ITextEditor*, QPoint, int)));
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connect(qmlEditor, SIGNAL(contextHelpIdRequested(TextEditor::ITextEditor*, int)),
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this, SLOT(updateContextHelpId(TextEditor::ITextEditor*, int)));
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}
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void QmlHoverHandler::showToolTip(TextEditor::ITextEditor *editor, const QPoint &point, int pos)
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{
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if (! editor)
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return;
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ScriptEditor *ed = qobject_cast<ScriptEditor *>(editor->widget());
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ICore *core = ICore::instance();
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const int dbgcontext = core->uniqueIDManager()->uniqueIdentifier(Debugger::Constants::C_GDBDEBUGGER);
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if (core->hasContext(dbgcontext))
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return;
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m_toolTip.clear();
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QTextCursor tc = ed->textCursor();
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tc.setPosition(pos);
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const unsigned line = tc.block().blockNumber() + 1;
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foreach (const QmlJS::DiagnosticMessage &m, ed->diagnosticMessages()) {
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if (m.loc.startLine == line) {
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m_toolTip.append(m.message);
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break;
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}
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}
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if (m_toolTip.isEmpty())
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QToolTip::hideText();
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else {
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const QPoint pnt = point - QPoint(0,
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#ifdef Q_WS_WIN
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24
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#else
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16
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#endif
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);
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QToolTip::showText(pnt, m_toolTip);
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}
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}
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void QmlHoverHandler::updateContextHelpId(TextEditor::ITextEditor *, int)
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{
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}
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