kde-extraapps/kdevplatform/language/duchain/navigation/abstractnavigationwidget.h
2015-07-26 14:23:17 +03:00

106 lines
3.2 KiB
C++

/*
Copyright 2007 David Nolden <david.nolden.kdevelop@art-master.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KDEVPLATFORM_ABSTRACTNAVIGATIONWIDGET_H
#define KDEVPLATFORM_ABSTRACTNAVIGATIONWIDGET_H
#include <QtCore/QObject>
#include <QtCore/QPointer>
#include <QWidget>
#include "../../interfaces/quickopendataprovider.h"
#include "../../languageexport.h"
#include "abstractnavigationcontext.h"
class QWidget;
class QTextBrowser;
namespace KDevelop {
/**
* This class deleted itself when its part is deleted, so always use a QPointer when referencing it.
* The duchain must be read-locked for most operations
* */
class KDEVPLATFORMLANGUAGE_EXPORT AbstractNavigationWidget : public QWidget, public QuickOpenEmbeddedWidgetInterface
{
Q_OBJECT
public:
AbstractNavigationWidget();
virtual ~AbstractNavigationWidget();
void setContext(NavigationContextPointer context, int initBrowser = 400);
QSize sizeHint() const;
public slots:
///Keyboard-action "next"
virtual void next();
///Keyboard-action "previous"
virtual void previous();
///Keyboard-action "accept"
virtual void accept();
virtual void up();
virtual void down();
virtual void back();
///These are temporarily for gettings these events directly from kate
///@todo Do this through a public interface post 4.2
void embeddedWidgetRight();
///Keyboard-action "previous"
void embeddedWidgetLeft();
///Keyboard-action "accept"
void embeddedWidgetAccept();
void embeddedWidgetUp();
void embeddedWidgetDown();
NavigationContextPointer context();
Q_SIGNALS:
void sizeHintChanged();
/// Emitted whenever the current navigation-context has changed
/// @param wasInitial whether the previous context was the initial context
/// @param isInitial whether the current context is the initial context
void contextChanged(bool wasInitial, bool isInitial);
public slots:
void navigateDeclaration(KDevelop::IndexedDeclaration decl);
private slots:
void anchorClicked(const QUrl&);
protected:
virtual void wheelEvent(QWheelEvent* );
void updateIdealSize() const;
void initBrowser(int height);
void update();
NavigationContextPointer m_startContext;
TopDUContextPointer m_topContext;
QPointer<QTextBrowser> m_browser;
QWidget* m_currentWidget;
QString m_currentText;
mutable QSize m_idealTextSize;
private:
NavigationContextPointer m_context;
};
}
#endif