574 lines
20 KiB
C++
574 lines
20 KiB
C++
/********************************************************************
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.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 "desktopchangeosd.h"
|
|
#include <QTextStream>
|
|
#include "workspace.h"
|
|
|
|
#include <QHash>
|
|
#include <QGraphicsScene>
|
|
#include <QRect>
|
|
#include <KDE/Plasma/Theme>
|
|
#include <KDE/Plasma/Animator>
|
|
#include <KDE/Plasma/PaintUtils>
|
|
#include <kiconloader.h>
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
DesktopChangeOSD::DesktopChangeOSD( Workspace* ws )
|
|
: QGraphicsView()
|
|
, m_wspace( ws )
|
|
, m_scene( 0 )
|
|
, m_active( false )
|
|
, m_show( false )
|
|
, m_delayTime( 0 )
|
|
{
|
|
setWindowFlags( Qt::X11BypassWindowManagerHint );
|
|
setFrameStyle( QFrame::NoFrame );
|
|
viewport()->setAutoFillBackground( false );
|
|
setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
|
|
setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
|
|
setAttribute( Qt::WA_TranslucentBackground );
|
|
m_frame.setImagePath( "dialogs/background" );
|
|
m_frame.setCacheAllRenderedFrames( true );
|
|
m_frame.setEnabledBorders( Plasma::FrameSvg::AllBorders );
|
|
|
|
m_item_frame.setImagePath( "widgets/pager" );
|
|
m_item_frame.setCacheAllRenderedFrames( true );
|
|
m_item_frame.setEnabledBorders( Plasma::FrameSvg::AllBorders );
|
|
|
|
reconfigure();
|
|
|
|
m_delayedHideTimer.setSingleShot( true );
|
|
connect( &m_delayedHideTimer, SIGNAL(timeout()), this, SLOT(hide()) );
|
|
|
|
m_scene = new QGraphicsScene( 0 );
|
|
setScene( m_scene );
|
|
|
|
m_scene->addItem( new DesktopChangeText( m_wspace ) );
|
|
}
|
|
|
|
DesktopChangeOSD::~DesktopChangeOSD()
|
|
{
|
|
delete m_scene;
|
|
}
|
|
|
|
void DesktopChangeOSD::reconfigure()
|
|
{
|
|
KSharedConfigPtr c(KGlobal::config());
|
|
const KConfigGroup cg = c->group( "PopupInfo" );
|
|
m_show = cg.readEntry( "ShowPopup", false );
|
|
m_delayTime = cg.readEntry( "PopupHideDelay", 1500 );
|
|
}
|
|
|
|
void DesktopChangeOSD::desktopChanged( int old )
|
|
{
|
|
if( !m_show )
|
|
return;
|
|
// we have to stop in case the old desktop does not exist anymore
|
|
if( old > m_wspace->numberOfDesktops() )
|
|
return;
|
|
// calculate where icons have to be shown
|
|
QPoint diff = m_wspace->desktopGridCoords( m_wspace->currentDesktop() ) - m_wspace->desktopGridCoords( old );
|
|
QHash< int, DesktopChangeItem::Arrow > hash = QHash< int, DesktopChangeItem::Arrow>();
|
|
int desktop = old;
|
|
int target = m_wspace->currentDesktop();
|
|
int x = diff.x();
|
|
int y = diff.y();
|
|
if( y >= 0 )
|
|
{
|
|
// first go in x direction, then in y
|
|
while( desktop != target )
|
|
{
|
|
if( x != 0 )
|
|
{
|
|
if( x < 0 )
|
|
{
|
|
x++;
|
|
hash.insert( desktop, DesktopChangeItem::LEFT );
|
|
desktop = m_wspace->desktopToLeft( desktop );
|
|
}
|
|
else
|
|
{
|
|
x--;
|
|
hash.insert( desktop, DesktopChangeItem::RIGHT );
|
|
desktop = m_wspace->desktopToRight( desktop );
|
|
}
|
|
continue;
|
|
}
|
|
y--;
|
|
hash.insert( desktop, DesktopChangeItem::DOWN );
|
|
desktop = m_wspace->desktopBelow( desktop );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// first go in y direction, then in x
|
|
while( target != desktop )
|
|
{
|
|
if( y != 0 )
|
|
{
|
|
// only go upward
|
|
y++;
|
|
hash.insert( desktop, DesktopChangeItem::UP );
|
|
desktop = m_wspace->desktopAbove( desktop );
|
|
continue;
|
|
}
|
|
if( x != 0 )
|
|
{
|
|
if( x < 0 )
|
|
{
|
|
x++;
|
|
hash.insert( desktop, DesktopChangeItem::LEFT );
|
|
desktop = m_wspace->desktopToLeft( desktop );
|
|
}
|
|
else
|
|
{
|
|
x--;
|
|
hash.insert( desktop, DesktopChangeItem::RIGHT );
|
|
desktop = m_wspace->desktopToRight( desktop );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// now we know which desktop has to show an arrow -> set the arrow for each desktop
|
|
int numberOfArrows = qAbs( diff.x() ) + qAbs( diff.y() );
|
|
foreach( QGraphicsItem* it, m_scene->items() )
|
|
{
|
|
DesktopChangeItem* item = qgraphicsitem_cast< DesktopChangeItem* >( it );
|
|
if( item )
|
|
{
|
|
if( hash.contains( item->desktop() ) )
|
|
{
|
|
QPoint distance = m_wspace->desktopGridCoords( m_wspace->currentDesktop() )
|
|
- m_wspace->desktopGridCoords( item->desktop() );
|
|
int desktopDistance = numberOfArrows - ( qAbs( distance.x() ) + qAbs( distance.y() ) );
|
|
int start = m_delayTime/numberOfArrows * desktopDistance - m_delayTime*0.15f;
|
|
int stop = m_delayTime/numberOfArrows * (desktopDistance + 1) + m_delayTime*0.15f;
|
|
start = qMax( start, 0 );
|
|
item->setArrow( hash[ item->desktop() ], start, stop );
|
|
}
|
|
else
|
|
{
|
|
item->setArrow( DesktopChangeItem::NONE, 0, 0 );
|
|
}
|
|
if( old != m_wspace->currentDesktop() )
|
|
{
|
|
if( item->desktop() == m_wspace->currentDesktop() )
|
|
item->startDesktopHighlightAnimation( m_delayTime * 0.33 );
|
|
if( m_active && item->desktop() == old )
|
|
item->stopDesktopHightlightAnimation( m_delayTime * 0.33 );
|
|
}
|
|
}
|
|
}
|
|
if( m_active )
|
|
{
|
|
// already active - just update and reset timer
|
|
update();
|
|
}
|
|
else
|
|
{
|
|
m_active = true;
|
|
resize();
|
|
show();
|
|
raise();
|
|
}
|
|
m_delayedHideTimer.start( m_delayTime );
|
|
}
|
|
|
|
void DesktopChangeOSD::hideEvent( QHideEvent* )
|
|
{
|
|
m_delayedHideTimer.stop();
|
|
m_active = false;
|
|
}
|
|
|
|
void DesktopChangeOSD::drawBackground( QPainter* painter, const QRectF& rect )
|
|
{
|
|
painter->save();
|
|
painter->setCompositionMode( QPainter::CompositionMode_Source );
|
|
qreal left, top, right, bottom;
|
|
m_frame.getMargins( left, top, right, bottom );
|
|
m_frame.paintFrame( painter, rect.adjusted( -left, -top, right, bottom ) );
|
|
painter->restore();
|
|
}
|
|
|
|
void DesktopChangeOSD::numberDesktopsChanged()
|
|
{
|
|
foreach( QGraphicsItem* it, m_scene->items() )
|
|
{
|
|
DesktopChangeItem* item = qgraphicsitem_cast<DesktopChangeItem*>(it);
|
|
if( item )
|
|
{
|
|
m_scene->removeItem( item );
|
|
}
|
|
}
|
|
|
|
for( int i=1; i<=m_wspace->numberOfDesktops(); i++ )
|
|
{
|
|
DesktopChangeItem* item = new DesktopChangeItem( m_wspace, this, i );
|
|
m_scene->addItem( item );
|
|
}
|
|
}
|
|
|
|
void DesktopChangeOSD::resize()
|
|
{
|
|
QRect screenRect = m_wspace->clientArea( ScreenArea, m_wspace->activeScreen(), m_wspace->currentDesktop() );
|
|
QRect fullRect = m_wspace->clientArea( FullArea, m_wspace->activeScreen(), m_wspace->currentDesktop() );
|
|
qreal left, top, right, bottom;
|
|
m_frame.getMargins( left, top, right, bottom );
|
|
|
|
QSize desktopGridSize = m_wspace->desktopGridSize();
|
|
float itemWidth = fullRect.width()*0.1f;
|
|
float itemHeight = fullRect.height()*0.1f;
|
|
// 2 px distance between each desktop + each desktop a width of 5 % of full screen + borders
|
|
float width = (desktopGridSize.width()-1)*2 + desktopGridSize.width()*itemWidth + left + right;
|
|
float height = (desktopGridSize.height()-1)*2 + top + bottom;
|
|
|
|
// bound width between ten and 33 percent of active screen
|
|
float tempWidth = qBound( screenRect.width()*0.25f, width, screenRect.width()*0.5f );
|
|
if( tempWidth != width )
|
|
{
|
|
// have to adjust the height
|
|
width = tempWidth;
|
|
itemWidth = (width - (desktopGridSize.width()-1)*2 - left - right)/desktopGridSize.width();
|
|
itemHeight = itemWidth*(float)((float)fullRect.height()/(float)fullRect.width());
|
|
}
|
|
height += itemHeight*desktopGridSize.height();
|
|
height += fontMetrics().height() + 4;
|
|
|
|
// we do not increase height, but it's bound to a third of screen height
|
|
float tempHeight = qMin( height, screenRect.height()*0.5f );
|
|
float itemOffset = 0.0f;
|
|
if( tempHeight != height )
|
|
{
|
|
// have to adjust item width
|
|
height = tempHeight;
|
|
itemHeight = (height - (fontMetrics().height() + 4) - top - bottom - (desktopGridSize.height()-1)*2)/
|
|
desktopGridSize.height();
|
|
itemOffset = itemWidth;
|
|
itemWidth = itemHeight*(float)((float)fullRect.width()/(float)fullRect.height());
|
|
itemOffset -= itemWidth;
|
|
itemOffset *= (float)desktopGridSize.width()*0.5f;
|
|
}
|
|
|
|
QRect rect = QRect( screenRect.x() + (screenRect.width()-width)/2,
|
|
screenRect.y() + (screenRect.height()-height)/2,
|
|
width,
|
|
height );
|
|
setGeometry( rect );
|
|
m_scene->setSceneRect( 0, 0, width, height );
|
|
m_frame.resizeFrame( QSize( width, height ) );
|
|
setMask( m_frame.mask() );
|
|
|
|
// resize item frame
|
|
m_item_frame.setElementPrefix( "normal" );
|
|
m_item_frame.resizeFrame( QSize( itemWidth, itemHeight ) );
|
|
m_item_frame.setElementPrefix( "hover" );
|
|
m_item_frame.resizeFrame( QSize( itemWidth, itemHeight ) );
|
|
|
|
// reset the items
|
|
foreach( QGraphicsItem* it, m_scene->items() )
|
|
{
|
|
DesktopChangeItem* item = qgraphicsitem_cast<DesktopChangeItem*>(it);
|
|
if( item )
|
|
{
|
|
item->setWidth( itemWidth );
|
|
item->setHeight( itemHeight );
|
|
QPoint coords = m_wspace->desktopGridCoords( item->desktop() );
|
|
item->setPos( left + itemOffset + coords.x()*(itemWidth+2),
|
|
top + fontMetrics().height() + 4 + coords.y()*(itemHeight+4) );
|
|
}
|
|
DesktopChangeText* text = qgraphicsitem_cast<DesktopChangeText*>(it);
|
|
if( text )
|
|
{
|
|
text->setPos( left, top );
|
|
text->setWidth( width - left - right );
|
|
text->setHeight( fontMetrics().height() );
|
|
}
|
|
}
|
|
}
|
|
|
|
//*******************************
|
|
// DesktopChangeText
|
|
//*******************************
|
|
DesktopChangeText::DesktopChangeText( Workspace* ws )
|
|
: QGraphicsItem()
|
|
, m_wspace( ws )
|
|
, m_width( 0.0f )
|
|
, m_height( 0.0f )
|
|
{
|
|
}
|
|
|
|
DesktopChangeText::~DesktopChangeText()
|
|
{
|
|
}
|
|
|
|
QRectF DesktopChangeText::boundingRect() const
|
|
{
|
|
return QRectF( 0, 0, m_width, m_height );
|
|
}
|
|
|
|
void DesktopChangeText::paint( QPainter* painter, const QStyleOptionGraphicsItem* , QWidget* )
|
|
{
|
|
painter->setPen( Plasma::Theme::defaultTheme()->color( Plasma::Theme::TextColor ) );
|
|
painter->drawText( boundingRect(), Qt::AlignCenter | Qt:: AlignVCenter,
|
|
m_wspace->desktopName( m_wspace->currentDesktop() ) );
|
|
}
|
|
|
|
//*******************************
|
|
// DesktopChangeItem
|
|
//*******************************
|
|
DesktopChangeItem::DesktopChangeItem( Workspace* ws, DesktopChangeOSD* parent, int desktop )
|
|
: QGraphicsItem()
|
|
, m_wspace( ws )
|
|
, m_parent( parent )
|
|
, m_desktop( desktop )
|
|
, m_width( 0.0f )
|
|
, m_height( 0.0f )
|
|
, m_hightlight_anim_id( 0 )
|
|
, m_fadein_highlight( 0 )
|
|
, m_arrow( NONE )
|
|
, m_arrow_shown( 0 )
|
|
, m_arrow_anim_id( 0 )
|
|
, m_fadein_arrow( 0 )
|
|
, m_arrow_progress( 0.0 )
|
|
{
|
|
m_delayed_show_arrow_timer.setSingleShot( true );
|
|
m_delayed_hide_arrow_timer.setSingleShot( true );
|
|
connect( &m_delayed_show_arrow_timer, SIGNAL(timeout()), this, SLOT(showArrow()));
|
|
connect( &m_delayed_hide_arrow_timer, SIGNAL(timeout()), this, SLOT(hideArrow()));
|
|
connect( Plasma::Animator::self(), SIGNAL(customAnimationFinished(int)), this, SLOT(animationFinished(int)));
|
|
}
|
|
|
|
DesktopChangeItem::~DesktopChangeItem()
|
|
{
|
|
}
|
|
|
|
QRectF DesktopChangeItem::boundingRect() const
|
|
{
|
|
return QRectF( 0, 0, m_width, m_height );
|
|
}
|
|
|
|
void DesktopChangeItem::setArrow( Arrow arrow, int start_delay, int hide_delay )
|
|
{
|
|
// stop timers
|
|
m_delayed_show_arrow_timer.stop();
|
|
m_delayed_hide_arrow_timer.stop();
|
|
if( m_arrow_anim_id != 0 )
|
|
{
|
|
Plasma::Animator::self()->stopCustomAnimation( m_arrow_anim_id );
|
|
m_arrow_anim_id = 0;
|
|
}
|
|
m_arrow_shown = false;
|
|
m_arrow = arrow;
|
|
if( m_arrow != NONE )
|
|
{
|
|
m_delayed_show_arrow_timer.start( start_delay );
|
|
m_delayed_hide_arrow_timer.start( hide_delay );
|
|
}
|
|
}
|
|
|
|
void DesktopChangeItem::showArrow()
|
|
{
|
|
m_arrow_shown = true;
|
|
if( m_arrow_anim_id != 0 )
|
|
{
|
|
Plasma::Animator::self()->stopCustomAnimation( m_arrow_anim_id );
|
|
}
|
|
m_fadein_arrow = true;
|
|
m_arrow_anim_id = Plasma::Animator::self()->customAnimation(40 / (1000 / (m_parent->getDelayTime()*0.15f)),
|
|
m_parent->getDelayTime()*0.15f, Plasma::Animator::EaseInCurve, this, "animationUpdate" );
|
|
}
|
|
|
|
void DesktopChangeItem::hideArrow()
|
|
{
|
|
if( m_arrow_anim_id != 0 )
|
|
{
|
|
Plasma::Animator::self()->stopCustomAnimation( m_arrow_anim_id );
|
|
}
|
|
m_fadein_arrow = false;
|
|
m_arrow_anim_id = Plasma::Animator::self()->customAnimation(40 / (1000 / (m_parent->getDelayTime()*0.15f)),
|
|
m_parent->getDelayTime()*0.15f, Plasma::Animator::EaseOutCurve, this, "animationUpdate" );
|
|
}
|
|
|
|
void DesktopChangeItem::startDesktopHighlightAnimation( int time )
|
|
{
|
|
if( m_hightlight_anim_id != 0 )
|
|
{
|
|
// stop current animation
|
|
Plasma::Animator::self()->stopCustomAnimation( m_hightlight_anim_id );
|
|
}
|
|
m_fadein_highlight = true;
|
|
m_hightlight_anim_id = Plasma::Animator::self()->customAnimation(40 / (1000 / (qreal)time),
|
|
time, Plasma::Animator::EaseInCurve, this, "animationUpdate" );
|
|
}
|
|
|
|
void DesktopChangeItem::stopDesktopHightlightAnimation( int time )
|
|
{
|
|
if( m_hightlight_anim_id != 0 )
|
|
{
|
|
// stop current animation
|
|
Plasma::Animator::self()->stopCustomAnimation( m_hightlight_anim_id );
|
|
}
|
|
m_fadein_highlight = false;
|
|
m_hightlight_anim_id = Plasma::Animator::self()->customAnimation(40 / (1000 / (qreal)time),
|
|
time, Plasma::Animator::EaseOutCurve, this, "animationUpdate" );
|
|
}
|
|
|
|
void DesktopChangeItem::animationUpdate( qreal progress, int id )
|
|
{
|
|
if( id == m_hightlight_anim_id )
|
|
{
|
|
if( m_fadein_highlight )
|
|
m_hightlight_progress = progress;
|
|
else
|
|
m_hightlight_progress = 1.0 - progress;
|
|
update();
|
|
}
|
|
if( id == m_arrow_anim_id )
|
|
{
|
|
if( m_fadein_arrow )
|
|
m_arrow_progress = progress;
|
|
else
|
|
m_arrow_progress = 1.0 - progress;
|
|
update();
|
|
}
|
|
}
|
|
|
|
void DesktopChangeItem::animationFinished( int id )
|
|
{
|
|
if( id == m_hightlight_anim_id )
|
|
{
|
|
m_hightlight_anim_id = 0;
|
|
update();
|
|
}
|
|
if( id == m_arrow_anim_id )
|
|
{
|
|
m_arrow_anim_id = 0;
|
|
if( !m_fadein_arrow )
|
|
m_arrow_shown = false;
|
|
update();
|
|
}
|
|
}
|
|
|
|
void DesktopChangeItem::paint( QPainter* painter, const QStyleOptionGraphicsItem* , QWidget* )
|
|
{
|
|
if( m_wspace->currentDesktop() == m_desktop || m_hightlight_anim_id != 0 )
|
|
{
|
|
qreal left, top, right, bottom;
|
|
m_parent->itemFrame()->getMargins( left, top, right, bottom );
|
|
if( m_hightlight_anim_id )
|
|
{
|
|
// there is an animation - so we use transition from normal to active or vice versa
|
|
if( m_fadein_highlight )
|
|
{
|
|
m_parent->itemFrame()->setElementPrefix( "normal" );
|
|
QPixmap normal = m_parent->itemFrame()->framePixmap();
|
|
m_parent->itemFrame()->setElementPrefix( "hover" );
|
|
QPixmap result = Plasma::PaintUtils::transition( normal,
|
|
m_parent->itemFrame()->framePixmap(), m_hightlight_progress );
|
|
painter->drawPixmap( boundingRect().toRect(), result);
|
|
}
|
|
else
|
|
{
|
|
m_parent->itemFrame()->setElementPrefix( "hover" );
|
|
QPixmap normal = m_parent->itemFrame()->framePixmap();
|
|
m_parent->itemFrame()->setElementPrefix( "normal" );
|
|
QPixmap result = Plasma::PaintUtils::transition( normal,
|
|
m_parent->itemFrame()->framePixmap(), 1.0 - m_hightlight_progress );
|
|
painter->drawPixmap( boundingRect().toRect(), result);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// no animation - just render the active frame
|
|
m_parent->itemFrame()->setElementPrefix( "hover" );
|
|
m_parent->itemFrame()->paintFrame( painter, boundingRect() );
|
|
}
|
|
|
|
QColor rectColor = Plasma::Theme::defaultTheme()->color( Plasma::Theme::TextColor );
|
|
rectColor.setAlphaF( 0.6 * m_hightlight_progress );
|
|
QBrush rectBrush = QBrush( rectColor );
|
|
painter->fillRect( boundingRect().adjusted( left, top, -right, -bottom ), rectBrush );
|
|
}
|
|
else
|
|
{
|
|
m_parent->itemFrame()->setElementPrefix( "normal" );
|
|
m_parent->itemFrame()->paintFrame( painter, boundingRect() );
|
|
}
|
|
|
|
if( !m_arrow_shown )
|
|
return;
|
|
// paint the arrow
|
|
QPixmap icon;
|
|
int iconWidth = 32;
|
|
qreal maxsize = qMin( boundingRect().width(), boundingRect().height() );
|
|
if( maxsize > 128.0 )
|
|
iconWidth = 128;
|
|
else if( maxsize > 64.0 )
|
|
iconWidth = 64.0;
|
|
else if( maxsize > 32.0 )
|
|
iconWidth = 32.0;
|
|
else
|
|
iconWidth = 16.0;
|
|
QRect iconRect = QRect( boundingRect().x() + boundingRect().width()/2 - iconWidth/2,
|
|
boundingRect().y() + boundingRect().height()/2 - iconWidth/2,
|
|
iconWidth, iconWidth );
|
|
switch( m_arrow )
|
|
{
|
|
case UP:
|
|
icon = KIconLoader::global()->loadIcon( "go-up", KIconLoader::Desktop, iconWidth );
|
|
break;
|
|
case DOWN:
|
|
icon = KIconLoader::global()->loadIcon( "go-down", KIconLoader::Desktop, iconWidth );
|
|
break;
|
|
case LEFT:
|
|
icon = KIconLoader::global()->loadIcon( "go-previous", KIconLoader::Desktop, iconWidth );
|
|
break;
|
|
case RIGHT:
|
|
icon = KIconLoader::global()->loadIcon( "go-next", KIconLoader::Desktop, iconWidth );
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if( m_arrow != NONE )
|
|
{
|
|
if( m_arrow_anim_id != 0 )
|
|
{
|
|
QPixmap temp( icon.size() );
|
|
temp.fill( Qt::transparent );
|
|
|
|
QPainter p( &temp );
|
|
p.setCompositionMode( QPainter::CompositionMode_Source );
|
|
p.drawPixmap( 0, 0, icon );
|
|
p.setCompositionMode( QPainter::CompositionMode_DestinationIn );
|
|
p.fillRect( temp.rect(), QColor( 0, 0, 0, 255*m_arrow_progress ) );
|
|
p.end();
|
|
|
|
icon = temp;
|
|
}
|
|
painter->drawPixmap( iconRect, icon );
|
|
}
|
|
}
|
|
}
|
|
|
|
#include "desktopchangeosd.moc"
|