kwin/tilinglayout.h

146 lines
3.7 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2009 Nikhil Marathe <nsm.nikhil@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. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef KWIN_TILINGLAYOUT_H
#define KWIN_TILINGLAYOUT_H
#include <QRect>
#include <QList>
#include <kdecoration.h>
namespace KWin
{
class Workspace;
class Client;
class Tile;
class TilingLayout
{
public:
TilingLayout(Workspace *w);
virtual ~TilingLayout();
/**
* Reimplement this to decide how the client(s) should
* be resized.
* Return true if an actual resize was attempted, false if not ( for whatever reason )
*/
virtual bool clientResized(Client *c, const QRect &moveResizeGeom, const QRect &orig);
void clientMoved(Client *c, const QRect &moveResizeGeom, const QRect &orig);
void clientMinimizeToggled(Client *c);
void commit();
void setLayoutType(int t);
int layoutType() const;
void addTile(Tile *t);
void addTile(Client *c);
void removeTile(Tile *t);
void removeTile(Client *c);
void toggleFloatTile(Client *c);
void swapTiles(Tile *a, Tile *b);
void reconfigureTiling();
/**
* All tiling layouts do not allow the user to manually
* resize clients. This method will be called when the user
* attempts a resize. Return any valid position to allow
* resizing in that direction. currentMode will be the direction
* of resize attempted by the user. You do not have to return the same value.
* If you do not want to allow resizing at all, or you do not
* want to allow resizing for this client, then return KDecorationDefines::PositionCenter.
*/
virtual KDecorationDefines::Position resizeMode(Client *c, KDecorationDefines::Position currentMode) const;
const QList<Tile *>& tiles() const;
Tile* findTile(Client *c) const;
protected:
/**
* Get a pointer to the Workspace.
*/
Workspace * workspace() const;
/**
* Get a area in which the Tile can be placed.
*/
const QRect layoutArea(Tile *t) const;
/**
* Hooks called after a tile is added to
* layout and before it is removed.
*/
// currently only required by floating layout
virtual void postAddTile(Tile *t);
virtual void preRemoveTile(Tile *t);
private:
int findTilePos(Client *c) const;
virtual void arrange(QRect wgeom) = 0;
void addTileNoArrange(Tile *t);
void removeTileNoArrange(Tile *t);
Tile* findTileBelowPoint(const QPoint &p) const;
QList<Tile *> m_tiles;
int m_layoutType;
Workspace *m_workspace;
friend class TilingLayoutFactory;
};
inline void TilingLayout::setLayoutType(int t)
{
m_layoutType = t;
}
inline int TilingLayout::layoutType() const
{
return m_layoutType;
}
inline const QList<Tile *>& TilingLayout::tiles() const
{
return m_tiles;
}
inline Workspace* TilingLayout::workspace() const
{
return m_workspace;
}
inline void TilingLayout::postAddTile(Tile *t)
{
Q_UNUSED(t)
}
inline void TilingLayout::preRemoveTile(Tile *t)
{
Q_UNUSED(t)
}
} // end namespace
#endif