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kwin/clients/oxygen/oxygenclientgroupitemdata.cpp

354 lines
11 KiB
C++

//////////////////////////////////////////////////////////////////////////////
// oxygenclientgroupitemdata.cpp
// handles tabs' geometry and animations
// -------------------
//
// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//////////////////////////////////////////////////////////////////////////////
#include "oxygenclientgroupitemdata.h"
#include "oxygenclientgroupitemdata.moc"
#include "oxygenclient.h"
namespace Oxygen
{
//____________________________________________________________________________
ClientGroupItemDataList::ClientGroupItemDataList( Client* parent ):
QObject( parent ),
QList<ClientGroupItemData>(),
_client( *parent ),
_dirty( false ),
animationsEnabled_( true ),
_animation( new Animation( 150, this ) ),
animationType_( AnimationNone ),
progress_(0),
draggedItem_( NoItem ),
targetItem_( NoItem )
{
// setup animation
animation().data()->setStartValue( 0 );
animation().data()->setEndValue( 1.0 );
animation().data()->setTargetObject( this );
animation().data()->setPropertyName( "progress" );
}
//________________________________________________________________
int ClientGroupItemDataList::itemAt( const QPoint& point, bool between ) const
{
for( int i=0; i < count(); i++ )
{
QRect rect = at(i)._activeRect;
if( between ) rect.translate( -rect.width() / 2, 0 );
if( rect.adjusted(0,0,0,2).contains( point ) )
{ return i; }
}
return NoItem;
}
//____________________________________________________________________________
void ClientGroupItemDataList::animate( AnimationTypes type, int target )
{
// store animation type
animationType_ = type;
if( type == AnimationNone )
{
if( isAnimationRunning() ) animation().data()->stop();
targetItem_ = NoItem;
draggedItem_ = NoItem;
targetRect_ = QRect();
} else if( type & (AnimationEnter|AnimationMove ) ) {
// store dragged item
bool animate( true );
if( (type&AnimationSameTarget) && draggedItem_ == NoItem )
{
animate = false;
draggedItem_ = target;
} else if( (type&AnimationMove) && targetItem_ == target ) return;
// check animation state
if( isAnimationRunning() ) animation().data()->stop();
targetItem_ = target;
targetRect_ = QRect();
QRect titleRect( _client.titleRect() );
int left( titleRect.left() );
int width = (type&AnimationSameTarget) ?
titleRect.width()/count():
titleRect.width()/(count()+1);
if( (type&AnimationSameTarget) && draggedItem_ < target )
{
target++;
if( target >= count() ) target = NoItem;
}
// loop over items and update bounding rects
for( int index = 0; index < count(); index++ )
{
ClientGroupItemData& item( ClientGroupItemDataList::operator[](index) );
if( index == target )
{
targetRect_ = item._refBoundingRect;
targetRect_.setLeft( left );
targetRect_.setWidth( width );
left+=width;
}
item._startBoundingRect = item._boundingRect;
item._endBoundingRect = item._refBoundingRect;
item._endBoundingRect.setLeft( left );
if( (type&AnimationSameTarget) && index == draggedItem_ )
{
item._endBoundingRect.setWidth( 0 );
} else {
item._endBoundingRect.setWidth( width );
left+=width;
}
}
if( targetRect_.isNull() )
{
targetRect_ = back()._refBoundingRect;
targetRect_.setLeft( left );
targetRect_.setWidth( width );
}
if( animate )
{
if( animationsEnabled() ) animation().data()->start();
else {
// change progress to maximum
progress_ = 1;
updateBoundingRects();
}
} else {
for( int index = 0; index < count(); index++ )
{
ClientGroupItemData& item( ClientGroupItemDataList::operator[](index) );
item._boundingRect = item._endBoundingRect;
}
updateButtons( true );
}
} else if( type & AnimationLeave ) {
// stop animation state
if( isAnimationRunning() ) animation().data()->stop();
// reset target
targetItem_ = NoItem;
targetRect_ = QRect();
if( type & AnimationSameTarget )
{
// store dragged item
draggedItem_ = target;
// do nothing if only one item
if( count() <= 1 ) return;
QRect titleRect( _client.titleRect() );
int left( titleRect.left() );
int width = titleRect.width()/(count()-1);
// loop over items and update bounding rects
for( int index = 0; index < count(); index++ )
{
ClientGroupItemData& item( ClientGroupItemDataList::operator[](index) );
item._startBoundingRect = item._boundingRect;
item._endBoundingRect = item._refBoundingRect;
item._endBoundingRect.setLeft( left );
if( index != target )
{
if( count() <= 2 )
{
item._endBoundingRect = _client.defaultTitleRect( _client.tabId(index) == _client.currentTabId() );
} else {
item._endBoundingRect.setWidth( width );
left+=width;
}
} else {
item._endBoundingRect.setWidth( 0 );
}
}
} else {
// loop over items and update bounding rects
for( int index = 0; index < count(); index++ )
{
ClientGroupItemData& item( ClientGroupItemDataList::operator[](index) );
item._startBoundingRect = item._boundingRect;
item._endBoundingRect = item._refBoundingRect;
}
}
if( animationsEnabled() ) animation().data()->start();
else {
// change progress to maximum
progress_ = 1;
updateBoundingRects();
}
}
return;
}
//____________________________________________________________________________
void ClientGroupItemDataList::updateButtonActivity( long visibleItem ) const
{
for( int index = 0; index < count(); index++ )
{
const ClientGroupItemData& item( at(index) );
if( item._closeButton )
{ item._closeButton.data()->setForceInactive( _client.tabId(index) != visibleItem ); }
}
}
//____________________________________________________________________________
void ClientGroupItemDataList::updateButtons( bool alsoUpdate ) const
{
// move close buttons
if( alsoUpdate ) _client.widget()->setUpdatesEnabled( false );
for( int index = 0; index < count(); index++ )
{
const ClientGroupItemData& item( at(index) );
if( !item._closeButton ) continue;
if( (!item._boundingRect.isValid()) || ((animationType_ & AnimationSameTarget)&&count()<=2 ) )
{
item._closeButton.data()->hide();
} else {
QPoint position(
item._boundingRect.right() - _client.configuration().buttonSize() - _client.layoutMetric(KCommonDecoration::LM_TitleEdgeRight),
item._boundingRect.top() + _client.layoutMetric( KCommonDecoration::LM_TitleEdgeTop ) );
if( item._closeButton.data()->isHidden() ) item._closeButton.data()->show();
item._closeButton.data()->move( position );
}
}
if( alsoUpdate )
{
_client.widget()->setUpdatesEnabled( true );
_client.updateTitleRect();
}
}
//____________________________________________________________________________
void ClientGroupItemDataList::updateBoundingRects( bool alsoUpdate )
{
qreal ratio( progress() );
for( iterator iter = begin(); iter != end(); ++iter )
{
// left
if( iter->_endBoundingRect.left() == iter->_startBoundingRect.left() )
{
iter->_boundingRect.setLeft( iter->_startBoundingRect.left() );
} else {
iter->_boundingRect.setLeft( (1.0-ratio)*iter->_startBoundingRect.left() + ratio*iter->_endBoundingRect.left() );
}
// right
if( iter->_endBoundingRect.right() == iter->_startBoundingRect.right() )
{
iter->_boundingRect.setRight( iter->_startBoundingRect.right() );
} else {
iter->_boundingRect.setRight( (1.0-ratio)*iter->_startBoundingRect.right() + ratio*iter->_endBoundingRect.right() );
}
}
// update button position
updateButtons( alsoUpdate );
}
}