Files
cantata/widgets/autohidingsplitter.h
craig.p.drummond bbeb25e084 Formatting
2013-03-22 21:17:54 +00:00

113 lines
3.3 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
* This file (c) 2012 Piotr Wicijowski <piotr.wicijowski@gmail.com>
*
* ----
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef AUTOHIDINGSPLITTER_H
#define AUTOHIDINGSPLITTER_H
#include "config.h"
#include <QSplitter>
#include <QList>
#include <QQueue>
#include <QVariantAnimation>
#include <QSet>
#include <QAbstractItemView>
Q_DECLARE_METATYPE(QList<int>)
class SplitterSizeAnimation;
class AutohidingSplitterHandle : public QSplitterHandle
{
Q_OBJECT
public:
AutohidingSplitterHandle(Qt::Orientation orientation, QSplitter *parent) : QSplitterHandle(orientation, parent) { }
virtual ~AutohidingSplitterHandle() { }
Q_SIGNALS:
void hoverStarted();
void hoverFinished();
protected:
virtual void enterEvent(QEvent *) { emit hoverStarted(); }
virtual void leaveEvent(QEvent *) { emit hoverFinished(); }
};
class AutohidingSplitter : public QSplitter
{
Q_OBJECT
public:
explicit AutohidingSplitter(Qt::Orientation orientation, QWidget *parent=0);
explicit AutohidingSplitter(QWidget *parent=0);
virtual ~AutohidingSplitter();
void setAutohidable(int index, bool autohidable = true);
void addWidget(QWidget *widget);
bool restoreState( const QByteArray &state);
QByteArray saveState() const;
bool eventFilter(QObject *watched, QEvent *event);
bool isAutoHideEnabled() const { return autoHideEnabled; }
public Q_SLOTS:
void setAutoHideEnabled(bool en);
void setVisible(bool visible);
protected:
virtual QSplitterHandle * createHandle();
void childEvent(QChildEvent *);
void removeChild(QObject* pObject);
void addChild(QObject *pObject);
void resizeEvent(QResizeEvent *);
private Q_SLOTS:
void widgetHoverStarted(int index);
void widgetHoverFinished(int index);
void handleHoverStarted();
void handleHoverFinished();
void updateResizeQueue();
void setWidgetForHiding();
void startAnimation();
void updateAfterSplitterMoved(int pos, int index);
void inhibitModifications(){haltModifications = true;}
void resumeModifications(){haltModifications = false;}
private:
bool autoHideEnabled;
bool haltModifications;
QList<int> getSizesAfterHiding()const;
SplitterSizeAnimation *autohideAnimation;
QList<QTimer *> animationDelayTimer;
QList<bool> widgetAutohidden;
QList<bool> widgetAutohiddenPrev;
QList<bool> widgetAutohidable;
QList<int> expandedSizes;
QQueue<QList<int> > targetSizes;
QSet<QWidget *> popupsBlockingAutohiding;
friend class AutohidingSplitterHandle;
};
#endif