From 4aed2c8219774f5d797760606b8489a92ddc5163 Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kicker/extensions/kasbar/kasbar.cpp | 728 ++++++++++++++++++++++++++++++++++++ 1 file changed, 728 insertions(+) create mode 100644 kicker/extensions/kasbar/kasbar.cpp (limited to 'kicker/extensions/kasbar/kasbar.cpp') diff --git a/kicker/extensions/kasbar/kasbar.cpp b/kicker/extensions/kasbar/kasbar.cpp new file mode 100644 index 000000000..8210190c8 --- /dev/null +++ b/kicker/extensions/kasbar/kasbar.cpp @@ -0,0 +1,728 @@ +/* kasbar.cpp +** +** Copyright (C) 2001-2004 Richard Moore +** Contributor: Mosfet +** All rights reserved. +** +** KasBar is dual-licensed: you can choose the GPL or the BSD license. +** Short forms of both licenses are included below. +*/ + +/* +** 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 in a file called COPYING; if not, write to +** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, +** MA 02110-1301, USA. +*/ + +/* +** Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions +** are met: +** 1. Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** 2. Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in the +** documentation and/or other materials provided with the distribution. +** +** THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND +** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +** ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +** OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +** HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +** SUCH DAMAGE. +*/ + +/* +** Bug reports and questions can be sent to kde-devel@kde.org +*/ +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "kasitem.h" + +#include "kasbar.h" +#include "kasbar.moc" + +static const int SMALL_EXTENT = 36; +static const int MEDIUM_EXTENT = 52; +static const int LARGE_EXTENT = 68; +static const int HUGE_EXTENT = 84; +static const int ENORMOUS_EXTENT = 148; + +KasBar::KasBar( Orientation o, QWidget *parent, const char *name, WFlags f ) + : QWidget( parent, name, f ), + master_(0), + orient( o ), + direction_( o == Horizontal ? QBoxLayout::LeftToRight : QBoxLayout::TopToBottom ), + itemUnderMouse_( 0 ), + boxesPerLine_(10), // Temp value + inDrag( false ), + detached( false ), + maxBoxes_( 100 ), // Temp value + itemSize_( Medium ), + itemExtent_( MEDIUM_EXTENT ), + paintInactiveFrame_( true ), + transparent_( false ), + rootPix( 0 ), + enableTint_( false ), + tintAmount_( 0.1 ), + tintColour_( colorGroup().mid() ), + useMask_( true ), + res(0) +{ + setBackgroundMode( NoBackground ); + items.setAutoDelete( true ); + setMouseTracking( true ); + setMaxBoxes( 0 ); + + connect( this, SIGNAL( configChanged() ), SLOT( repaint() ) ); +} + +KasBar::KasBar( Orientation o, KasBar *master, QWidget *parent, const char *name, WFlags f ) + : QWidget( parent, name, f ), + master_(master), + orient( o ), + direction_( o == Horizontal ? QBoxLayout::LeftToRight : QBoxLayout::TopToBottom ), + itemUnderMouse_( 0 ), + boxesPerLine_(10), // Temp value + inDrag( false ), + detached( false ), + maxBoxes_( 100 ), // Temp value + itemSize_( Medium ), + itemExtent_( MEDIUM_EXTENT ), + paintInactiveFrame_( true ), + transparent_( false ), + rootPix( 0 ), + enableTint_( false ), + tintAmount_( 0.1 ), + tintColour_( colorGroup().mid() ), + useMask_( true ), + res(0) +{ + setBackgroundMode( NoBackground ); + items.setAutoDelete( true ); + setMouseTracking( true ); + setMaxBoxes( 0 ); + connect( master_, SIGNAL( configChanged() ), SLOT( repaint() ) ); +} + +KasBar::~KasBar() +{ + delete res; +} + +KasResources *KasBar::resources() +{ + if ( res ) + return res; + + if ( isTopLevel() ) { + res = new KasResources( this ); + connect( res, SIGNAL( changed() ), SIGNAL( configChanged() ) ); + connect( this, SIGNAL( itemSizeChanged(int) ), res, SLOT( itemSizeChanged() ) ); + return res; + } + + return master_->resources(); +} + +KasBar *KasBar::createChildBar( Orientation o, QWidget *parent, const char *name ) +{ + KasBar *child = new KasBar( o, this, parent, name ); + child->rereadMaster(); + return child; +} + +void KasBar::setItemSize( int size ) +{ + switch( size ) { + case Small: + setItemExtent( SMALL_EXTENT ); + break; + case Medium: + setItemExtent( MEDIUM_EXTENT ); + break; + case Large: + setItemExtent( LARGE_EXTENT ); + break; + case Huge: + setItemExtent( HUGE_EXTENT ); + break; + case Enormous: + setItemExtent( ENORMOUS_EXTENT ); + break; + default: + break; + } +} + +void KasBar::setItemExtent( int size ) +{ + if ( size == itemExtent_ ) + return; + + itemExtent_ = size; + + if ( size < MEDIUM_EXTENT ) + itemSize_ = Small; + else if ( size < LARGE_EXTENT ) + itemSize_ = Medium; + else if ( size < HUGE_EXTENT ) + itemSize_ = Large; + else if ( size < ENORMOUS_EXTENT ) + itemSize_ = Huge; + else + itemSize_ = Enormous; + + emit itemSizeChanged( itemSize_ ); + emit configChanged(); + + updateLayout(); +} + +void KasBar::setTransparent( bool enable ) +{ + if ( transparent_ == enable ) + return; + + transparent_ = enable; + + if ( transparent_ ) { + kdDebug(1345) << "KasBar: Enabling transparency" << endl; + + rootPix = new KRootPixmap( this ); + connect( rootPix, SIGNAL( backgroundUpdated(const QPixmap &) ), + this, SLOT( setBackground(const QPixmap &) ) ); + + rootPix->setCustomPainting( true ); + + if ( enableTint_ ) + rootPix->setFadeEffect( tintAmount_, tintColour_ ); + + rootPix->start(); + } + else { + kdDebug(1345) << "KasBar: Disabling transparency" << endl; + + rootPix->stop(); + delete rootPix; + rootPix = 0; + } + + emit configChanged(); +} + +void KasBar::setTint( bool enable ) +{ + if ( enableTint_ == enable ) + return; + + enableTint_ = enable; + + if ( transparent_ && rootPix ) { + if ( enableTint_ ) { + rootPix->setFadeEffect( tintAmount_, tintColour_ ); + } + else { + rootPix->setFadeEffect( 0.0, tintColour_ ); + } + + emit configChanged(); + repaint( true ); + } +} + +void KasBar::setTint( double amount, QColor color ) +{ + tintAmount_ = amount; + tintColour_ = color; + + if ( transparent_ && enableTint_ ) { + rootPix->setFadeEffect( tintAmount_, tintColour_ ); + emit configChanged(); + + if ( rootPix->isAvailable() ) + rootPix->repaint( true ); + } +} + +void KasBar::setTintColor( const QColor &c ) +{ + setTint( tintAmount_, c ); +} + +void KasBar::setTintAmount( int percent ) +{ + double amt = (double) percent / 100.0; + setTint( amt, tintColour_ ); +} + +void KasBar::setMaxBoxes( int count ) +{ + if ( count == maxBoxes_ ) + return; + + if ( count == 0 ) + count = 15; // XXX Hacked + + maxBoxes_ = count; + emit configChanged(); + setBoxesPerLine( count ); +} + +void KasBar::setBoxesPerLine( int count ) +{ + boxesPerLine_ = QMIN( count, maxBoxes_ ); + updateLayout(); +} + +void KasBar::setDetachedPosition( const QPoint &pos ) +{ + if ( detachedPos == pos ) + return; + + detachedPos = pos; + emit detachedPositionChanged( pos ); +} + +void KasBar::setDirection( Direction dir ) +{ + if ( direction_ == dir ) + return; + + if ( ( dir == QBoxLayout::LeftToRight ) || ( dir == QBoxLayout::RightToLeft ) ) + orient = Horizontal; + else + orient = Vertical; + + direction_ = dir; + emit directionChanged(); + updateLayout(); +} + +void KasBar::setOrientation( Orientation o ) +{ + if ( orient == o ) + return; + + if ( o == Horizontal ) + setDirection( QBoxLayout::LeftToRight ); + else + setDirection( QBoxLayout::TopToBottom ); +} + +void KasBar::toggleOrientation() +{ + switch( direction_ ) { + case QBoxLayout::LeftToRight: + setDirection( QBoxLayout::RightToLeft ); + break; + case QBoxLayout::RightToLeft: + setDirection( QBoxLayout::TopToBottom ); + break; + case QBoxLayout::TopToBottom: + setDirection( QBoxLayout::BottomToTop ); + break; + case QBoxLayout::BottomToTop: + setDirection( QBoxLayout::LeftToRight ); + break; + default: + kdWarning() << "toggleOrientation got an odd direction: " << (uint) direction_ << endl; + setDirection( QBoxLayout::LeftToRight ); + break; + } +} + +void KasBar::toggleDetached() +{ + setDetached( !detached ); +} + +void KasBar::setDetached( bool detach ) +{ + if ( detached == detach ) + return; + + detached = detach; + updateLayout(); + emit detachedChanged( detached ); +} + +QSize KasBar::sizeHint( Orientation o, QSize sz ) +{ + if ( o == Horizontal ) + setBoxesPerLine( sz.width() / itemExtent() ); + else + setBoxesPerLine( sz.height() / itemExtent() ); + + unsigned int r=0, c=0; + if( items.count() > (unsigned int) boxesPerLine_ ) { + r = items.count()/boxesPerLine_; + c = boxesPerLine_; + } + else { + r = 1; + c = items.count(); + } + + if( r*c < items.count() ) // remainders + ++r; + + QSize s; + if( o == Horizontal ) { + s.setWidth( c*itemExtent() ); + s.setHeight( r*itemExtent() ); + } + else { + s.setWidth( r*itemExtent() ); + s.setHeight( c*itemExtent() ); + } + + return s; +} + +void KasBar::updateLayout() +{ +// kdDebug(1345) << "KasBar: updateLayout(), count is " << items.count() << endl; + if ( !isUpdatesEnabled() ) + return; + bool updates = isUpdatesEnabled(); + setUpdatesEnabled( false ); + +// This is for testing a rectangular layout +// boxesPerLine_ = (uint) ceil(sqrt( items.count() )); + + // Work out the number of rows and columns + unsigned int r=0, c=0; + if( items.count() > (unsigned int) boxesPerLine_ ) { + r = items.count()/boxesPerLine_; + c = boxesPerLine_; + } + else{ + r = 1; + c = items.count(); + } + + if( r*c < items.count() ) // remainders + ++r; + + QSize sz; + if ( orient == Horizontal ) + sz = QSize( c * itemExtent(), r * itemExtent() ); + else + sz = QSize( r * itemExtent(), c * itemExtent() ); + + if ( sz != size() ) { + resize( sz ); + } + + setUpdatesEnabled( updates ); + + QWidget *top = topLevelWidget(); + QRegion mask; + + KasItem *i; + if ( orient == Horizontal ) { + for ( i = items.first(); i; i = items.next() ) { + int x = (items.at() % c) * itemExtent(); + + if ( direction_ == QBoxLayout::RightToLeft ) + x = width() - x - itemExtent(); + + i->setPos( x, (items.at() / c) * itemExtent() ); + i->update(); + mask = mask.unite( QRegion( QRect( i->pos(), QSize(itemExtent(),itemExtent()) ) ) ); + } + } + else { + for ( i = items.first(); i; i = items.next() ) { + int y = (items.at() / r) * itemExtent(); + + if ( direction_ == QBoxLayout::BottomToTop ) + y = height() - y - itemExtent(); + + i->setPos( (items.at() % r) * itemExtent(), y ); + i->update(); + mask = mask.unite( QRegion( QRect( i->pos(), QSize(itemExtent(),itemExtent()) ) ) ); + } + } + + if ( useMask_ ) + top->setMask( mask ); + else + top->clearMask(); + update(); +} + +void KasBar::rereadMaster() +{ + if ( !master_ ) + return; + + setItemSize( master_->itemSize() ); + setTint( master_->hasTint() ); + setTintColor( master_->tintColor() ); + setTintAmount( master_->tintAmount() ); +} + +void KasBar::append( KasItem *i ) +{ + if ( !i ) + return; + + items.append( i ); + updateLayout(); +} + +void KasBar::insert( int index, KasItem *i ) +{ + if ( (!i) || (index < 0) ) + return; + + items.insert( index, i ); + updateLayout(); +} + +void KasBar::remove( KasItem *i ) +{ + items.remove( i ); + + if ( i == itemUnderMouse_ ) + itemUnderMouse_ = 0; + updateLayout(); +} + +void KasBar::clear() +{ + items.clear(); + itemUnderMouse_ = 0; + updateLayout(); +} + +void KasBar::mousePressEvent(QMouseEvent *ev) +{ + KasItem *i = itemAt( ev->pos() ); + if ( i ) + i->mousePressEvent( ev ); + + pressPos = ev->globalPos(); +} + +void KasBar::mouseReleaseEvent(QMouseEvent *ev) +{ + if ( !inDrag ) { + KasItem *i = itemAt( ev->pos() ); + if ( i ) + i->mouseReleaseEvent( ev ); + } + else if ( detached ) { + setDetachedPosition( pos() ); + emit configChanged(); + } + + pressPos = QPoint(); + inDrag = false; +} + +void KasBar::updateMouseOver() +{ + updateMouseOver( mapFromGlobal( QCursor::pos() ) ); +} + +void KasBar::updateMouseOver( QPoint pos ) +{ + KasItem *i = itemAt(pos); + + if ( i == itemUnderMouse_ ) + return; + + if ( itemUnderMouse_ ) + itemUnderMouse_->mouseLeave(); + if ( i ) + i->mouseEnter(); + if ( i && itemUnderMouse_ ) + itemUnderMouse_->hidePopup(); + + itemUnderMouse_ = i; +} + +void KasBar::mouseMoveEvent(QMouseEvent *ev) +{ + if ( detached && (!pressPos.isNull()) ) { + QPoint moved = ev->globalPos() - pressPos; + + if ( !inDrag ) { + if ( moved.manhattanLength() > 6 ) { + inDrag = true; + emit dragStarted(); + } + } + + if ( inDrag ) { + if ( itemUnderMouse_ ) + itemUnderMouse_->hidePopup(); + + move( pos() + moved ); + pressPos = ev->globalPos(); + } + } + else { + updateMouseOver( ev->pos() ); + } +} + +void KasBar::dragMoveEvent ( QDragMoveEvent *ev ) +{ + KasItem *i = itemAt( ev->pos() ); + if ( itemUnderMouse_ != i ) { + if ( itemUnderMouse_ ) + itemUnderMouse_->dragLeave(); + if ( i ) + i->dragEnter(); + itemUnderMouse_ = i; + } +} + +void KasBar::paintEvent(QPaintEvent *ev) +{ + QPainter q( this ); + q.drawPixmap( ev->rect().topLeft(), offscreen, ev->rect() ); +} + +void KasBar::resizeEvent(QResizeEvent *ev) +{ + offscreen.resize( ev->size() ); + QPainter p( &offscreen ); + paintBackground( &p, QRect(QPoint(0,0),size()) ); + QWidget::resizeEvent(ev); + emit layoutChanged(); +} + + +QPoint KasBar::itemPos( KasItem *i ) +{ + return i->pos(); +} + +void KasBar::updateItem( KasItem *i ) +{ + if ( !i ) + return; + if ( !isShown() ) + return; + + QPainter p( &offscreen ); + QPoint pos = i->pos(); + + paintBackground( &p, QRect( pos, QSize( itemExtent(), itemExtent() ) ) ); + i->paint( &p, pos.x(), pos.y() ); + update( QRect( pos, QSize( itemExtent(), itemExtent() ) ) ); +} + +void KasBar::repaintItem(KasItem *i, bool erase ) +{ + if ( !i ) + return; + if ( !isShown() ) + return; + + QPainter p( &offscreen ); + QPoint pos = i->pos(); + + paintBackground( &p, QRect( pos, QSize( itemExtent(), itemExtent() ) ) ); + i->paint( &p, pos.x(), pos.y() ); + repaint( QRect( pos, QSize( itemExtent(), itemExtent() ) ), transparent_ || erase ); +} + +KasItem* KasBar::itemAt(const QPoint &p) +{ + KasItem *i; + QRect cr; + + for (i = items.first(); i; i = items.next()) { + cr.setTopLeft( i->pos() ); + cr.setSize( QSize( itemExtent(), itemExtent() ) ); + + if(cr.contains(p)) + return i; + } + + return 0; +} + +void KasBar::setBackground( const QPixmap &newBg ) +{ + bg = newBg; + + QPainter p( &offscreen ); + paintBackground( &p, QRect(QPoint(0,0),size()) ); + + updateLayout(); +} + +void KasBar::setMasked( bool mask ) +{ + if ( useMask_ == mask ) + return; + + useMask_ = mask; +} + +void KasBar::setPaintInactiveFrames( bool enable ) +{ + paintInactiveFrame_ = enable; + update(); +} + +void KasBar::paintBackground( QPainter *p, const QRect &r ) +{ + // If we're transparent + if ( transparent_ ) { + if ( !bg.isNull() ) { + p->drawPixmap( r.topLeft(), bg, r ); + return; + } + } +} + +void KasBar::addTestItems() +{ + KasItem *i = new KasItem( this ); + insert( 0, i ); + i->setText( "Animated" ); + i->setIcon( KGlobal::iconLoader()->loadIcon( "icons", KIcon::NoGroup, KIcon::SizeMedium ) ); + i->setAnimation( resources()->startupAnimation() ); + QTimer *aniTimer = new QTimer( i ); + connect( aniTimer, SIGNAL( timeout() ), i, SLOT( advanceAnimation() ) ); + aniTimer->start( 100 ); + i->setShowAnimation( true ); + + updateLayout(); +} -- cgit v1.2.1