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-rw-r--r--kicker/extensions/kasbar/kasbar.cpp728
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diff --git a/kicker/extensions/kasbar/kasbar.cpp b/kicker/extensions/kasbar/kasbar.cpp
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+/* kasbar.cpp
+**
+** Copyright (C) 2001-2004 Richard Moore <rich@kde.org>
+** 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 <math.h>
+
+#include <qbitmap.h>
+#include <qcursor.h>
+#include <qpainter.h>
+#include <qmemarray.h>
+#include <qtimer.h>
+
+#include <kapplication.h>
+#include <kdebug.h>
+#include <krootpixmap.h>
+#include <kpixmapio.h>
+#include <kiconloader.h>
+
+#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();
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-15 07:53:40 +0000