kwin/tilinglayoutfactory.cpp

130 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/>.
*********************************************************************/
#include "tilinglayoutfactory.h"
#include <QtGlobal>
#include <QList>
#include <klocale.h>
#include <kdebug.h>
#include "notifications.h"
#include "tile.h"
#include "client.h"
#include "tilinglayouts/spiral/spiral.h"
#include "tilinglayouts/columns/columns.h"
#include "tilinglayouts/floating/floating.h"
// w is the workspace pointer
#define ADD_LAYOUT( lay, ctxt_name ) \
case lay##Layout:\
kDebug(1212) << #lay;\
layout = new lay( w );\
layout->setLayoutType( lay##Layout );\
Notify::raise( Notify::TilingLayoutChanged, \
i18n( "Layout changed to %1", i18nc( ctxt_name ) ) ); \
break
namespace KWin
{
TilingLayout* TilingLayoutFactory::createLayout( int type, Workspace *w )
{
Q_ASSERT( type != FirstLayout && type != LastLayout );
TilingLayout *layout;
/* For new layouts, make a case entry here */
switch( type )
{
case DefaultLayout: // NOTE: fall through makes first layout default
layout = createLayout( indexToLayoutIndex( options->tilingLayout ), w );
break;
ADD_LAYOUT( Spiral, I18N_NOOP2_NOSTRIP( "Spiral tiling layout", "Spiral" ) );
ADD_LAYOUT( Columns, I18N_NOOP2_NOSTRIP( "Two-column horizontal tiling layout", "Columns" ) );
ADD_LAYOUT( Floating, I18N_NOOP2_NOSTRIP( "Floating layout, windows aren't tiled at all", "Floating" ) );
default:
kDebug(1212) << "INVALID LAYOUT!";
return NULL;
}
return layout;
}
// if next, goes next, otherwise previous
TilingLayout* TilingLayoutFactory::cycleLayout( TilingLayout *curr, bool next )
{
int type = curr->layoutType();
if( next )
{
type++;
if( type >= LastLayout )
type = FirstLayout + 1;
}
else
{
type--;
if( type <= FirstLayout )
type = LastLayout - 1;
}
QList<Tile *> tiles = curr->tiles();
TilingLayout *l = createLayout( type, curr->workspace() );
foreach( Tile *t, tiles )
{
curr->removeTileNoArrange( t );
}
if( tiles.length() == 0 )
return l;
// so that we don't rearrange after every call
Tile *last = tiles.takeLast();
foreach( Tile *t, tiles )
{
l->addTileNoArrange( t );
}
l->addTile( last );
return l;
}
/**
* Returns the appropriate layout enum item
* Meant to be used with a combo box.
* This function handles the issues of DefaultL and First and Last layouts
*/
int TilingLayoutFactory::indexToLayoutIndex( int index )
{
int layout = DefaultLayout + index + 1;
if( layout >= LastLayout )
layout = DefaultLayout + 1;
if( layout <= FirstLayout )
layout = LastLayout - 1;
return layout;
}
} // end namespace