635c93bc5b
the horizontal separator line, the titlebar text color and the title+border window outline. svn path=/trunk/KDE/kdebase/workspace/; revision=1025111
371 lines
12 KiB
C++
371 lines
12 KiB
C++
//////////////////////////////////////////////////////////////////////////////
|
|
// oxygenshadowcache.cpp
|
|
// handles caching of TileSet objects to draw shadows
|
|
// -------------------
|
|
//
|
|
// 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 "oxygenshadowcache.h"
|
|
#include "oxygenclient.h"
|
|
|
|
#include <cassert>
|
|
#include <KDebug>
|
|
#include <QPainter>
|
|
|
|
namespace Oxygen
|
|
{
|
|
|
|
|
|
//_______________________________________________________
|
|
OxygenShadowCache::OxygenShadowCache( int maxIndex ):
|
|
maxIndex_( maxIndex ),
|
|
activeShadowConfiguration_( OxygenShadowConfiguration( QPalette::Active ) ),
|
|
inactiveShadowConfiguration_( OxygenShadowConfiguration( QPalette::Inactive ) )
|
|
{
|
|
kDebug(1212) << endl;
|
|
shadowCache_.setMaxCost( 1<<5 );
|
|
animatedShadowCache_.setMaxCost( maxIndex_<<5 );
|
|
}
|
|
|
|
//_______________________________________________________
|
|
bool OxygenShadowCache::shadowConfigurationChanged( const OxygenShadowConfiguration& other ) const
|
|
{
|
|
const OxygenShadowConfiguration& local = (other.colorGroup() == QPalette::Active ) ? activeShadowConfiguration_:inactiveShadowConfiguration_;
|
|
return !(local == other);
|
|
}
|
|
|
|
//_______________________________________________________
|
|
void OxygenShadowCache::setShadowConfiguration( const OxygenShadowConfiguration& other )
|
|
{
|
|
OxygenShadowConfiguration& local = (other.colorGroup() == QPalette::Active ) ? activeShadowConfiguration_:inactiveShadowConfiguration_;
|
|
local = other;
|
|
}
|
|
|
|
//_______________________________________________________
|
|
TileSet* OxygenShadowCache::tileSet( const OxygenClient* client )
|
|
{
|
|
|
|
// construct key
|
|
Key key = Key();
|
|
key.active = client->isActive();
|
|
key.useOxygenShadows = client->configuration().useOxygenShadows();
|
|
key.isShade = client->isShade();
|
|
key.hasNoBorder = client->configuration().frameBorder() == OxygenConfiguration::BorderNone;
|
|
key.hasTitleOutline = client->configuration().drawTitleOutline();
|
|
|
|
// check if tileset already in cache
|
|
int hash( key.hash() );
|
|
if( shadowCache_.contains(hash) ) return shadowCache_.object(hash);
|
|
|
|
// create tileset otherwise
|
|
qreal size( shadowSize() );
|
|
TileSet* tileSet = new TileSet( shadowPixmap( client, key.active ), size, size, 1, 1);
|
|
shadowCache_.insert( hash, tileSet );
|
|
return tileSet;
|
|
|
|
}
|
|
|
|
//_______________________________________________________
|
|
TileSet* OxygenShadowCache::tileSet( const OxygenClient* client, int index )
|
|
{
|
|
|
|
assert( index <= maxIndex_ );
|
|
|
|
// construct key
|
|
Key key = Key();
|
|
key.index = index;
|
|
key.active = client->isActive();
|
|
key.useOxygenShadows = client->configuration().useOxygenShadows();
|
|
key.isShade = client->isShade();
|
|
key.hasNoBorder = client->configuration().frameBorder() == OxygenConfiguration::BorderNone;
|
|
key.hasTitleOutline = client->configuration().drawTitleOutline();
|
|
|
|
// check if tileset already in cache
|
|
int hash( key.hash() );
|
|
if( animatedShadowCache_.contains(hash) ) return animatedShadowCache_.object(hash);
|
|
|
|
// create shadow and tileset otherwise
|
|
qreal size( shadowSize() );
|
|
qreal opacity( qreal(index)/qreal(maxIndex_) );
|
|
|
|
QPixmap shadow( size*2, size*2 );
|
|
shadow.fill( Qt::transparent );
|
|
QPainter p( &shadow );
|
|
p.setRenderHint( QPainter::Antialiasing );
|
|
|
|
p.setOpacity( 1.0 - opacity );
|
|
p.drawPixmap( QPointF(0,0), shadowPixmap( client, false ) );
|
|
|
|
p.setOpacity( opacity );
|
|
p.drawPixmap( QPointF(0,0), shadowPixmap( client, true ) );
|
|
p.end();
|
|
|
|
TileSet* tileSet = new TileSet(shadow, size, size, 1, 1);
|
|
animatedShadowCache_.insert( hash, tileSet );
|
|
return tileSet;
|
|
|
|
}
|
|
|
|
//_________________________________________________________________
|
|
QPixmap OxygenShadowCache::shadowPixmap(const OxygenClient* client, bool active ) const
|
|
{
|
|
|
|
// get window color
|
|
QPalette palette( client->backgroundPalette( client->widget(), client->widget()->palette() ) );
|
|
QColor color( palette.color( client->widget()->backgroundRole() ) );
|
|
|
|
if( active && client->configuration().drawTitleOutline() && client->configuration().frameBorder() == OxygenConfiguration::BorderNone )
|
|
{
|
|
|
|
// a more complex tile set is needed for the configuration above:
|
|
// top corners must be beveled with the "active titlebar color" while
|
|
// bottom corners must be beveled with the "window background color".
|
|
// this requires generating two shadow pixmaps and tiling them in the tileSet.
|
|
|
|
qreal size( shadowSize() );
|
|
QPixmap shadow( 2*size, 2*size );
|
|
shadow.fill( Qt::transparent );
|
|
QPainter p( &shadow );
|
|
p.setRenderHint( QPainter::Antialiasing );
|
|
|
|
QPixmap shadowTop = simpleShadowPixmap( color, client, active );
|
|
QRect topRect( shadow.rect() );
|
|
topRect.setBottom( int( size )-1 );
|
|
p.setClipRect( topRect );
|
|
p.drawPixmap( QPointF( 0, 0 ), shadowTop );
|
|
|
|
// get window color
|
|
palette = client->widget()->palette();
|
|
color = palette.color( client->widget()->backgroundRole() );
|
|
QPixmap shadowBottom = simpleShadowPixmap( color, client, active );
|
|
QRect bottomRect( shadow.rect() );
|
|
bottomRect.setTop( int( size ) );
|
|
p.setClipRect( bottomRect );
|
|
p.drawPixmap( QPointF( 0, 0 ), shadowBottom );
|
|
p.end();
|
|
|
|
return shadow;
|
|
|
|
} else return simpleShadowPixmap( color, client, active );
|
|
|
|
}
|
|
|
|
//_______________________________________________________
|
|
QPixmap OxygenShadowCache::simpleShadowPixmap( const QColor& color, const OxygenClient* client, bool active ) const
|
|
{
|
|
|
|
// local reference to relevant shadow configuration
|
|
const OxygenShadowConfiguration& shadowConfiguration(
|
|
active && client->configuration().useOxygenShadows() ?
|
|
activeShadowConfiguration_:inactiveShadowConfiguration_ );
|
|
|
|
static const qreal fixedSize = 25.5;
|
|
qreal size( shadowSize() );
|
|
qreal shadowSize( shadowConfiguration.shadowSize() );
|
|
|
|
QPixmap shadow = QPixmap( size*2, size*2 );
|
|
shadow.fill( Qt::transparent );
|
|
|
|
QPainter p( &shadow );
|
|
p.setRenderHint( QPainter::Antialiasing );
|
|
p.setPen( Qt::NoPen );
|
|
|
|
// offsets are scaled with the shadow size
|
|
// so that the ratio Top-shadow/Bottom-shadow is kept constant
|
|
// when shadow size is changed
|
|
qreal hoffset = shadowConfiguration.horizontalOffset()*shadowSize/fixedSize;
|
|
qreal voffset = shadowConfiguration.verticalOffset()*shadowSize/fixedSize;
|
|
|
|
if( active && client->configuration().useOxygenShadows() )
|
|
{
|
|
|
|
{
|
|
|
|
int values[5] = {255, 220, 180, 25, 0};
|
|
qreal x[5] = {4.4, 4.5, 5, 5.5, 6.5};
|
|
|
|
// the first point of this gradient does not scale
|
|
QRadialGradient rg( size, size, shadowSize );
|
|
|
|
QColor c = color;
|
|
for( int i = 0; i<5; i++ )
|
|
{ c.setAlpha( values[i] ); rg.setColorAt( x[0]/shadowSize+(x[i]-x[0])/fixedSize, c ); }
|
|
|
|
p.setBrush( rg );
|
|
p.drawRect( shadow.rect() );
|
|
|
|
}
|
|
|
|
{
|
|
|
|
// this gradient scales with shadow size
|
|
int nPoints = 8;
|
|
qreal values[8] = {1, 0.58, 0.43, 0.30, 0.22, 0.15, 0.08, 0 };
|
|
qreal x[8] = {0, 4.5, 5.5, 6.5, 7.5, 8.5, 11.5, 14.4};
|
|
|
|
// this gradient scales with shadow size
|
|
QRadialGradient rg(
|
|
size+hoffset,
|
|
size+voffset,
|
|
shadowSize );
|
|
|
|
QColor c = shadowConfiguration.innerColor();
|
|
for( int i = 0; i<nPoints; i++ )
|
|
{ c.setAlphaF( values[i] ); rg.setColorAt( x[i]/fixedSize, c ); }
|
|
|
|
p.setBrush( rg );
|
|
p.drawRect( shadow.rect() );
|
|
|
|
}
|
|
|
|
{
|
|
QRadialGradient rg = QRadialGradient( size, size, size );
|
|
QColor c = color;
|
|
|
|
c.setAlpha( 255 ); rg.setColorAt( 4.0/size, c );
|
|
c.setAlpha( 0 ); rg.setColorAt( 4.01/size, c );
|
|
|
|
p.setBrush( rg );
|
|
p.drawRect( shadow.rect() );
|
|
}
|
|
|
|
} else {
|
|
|
|
{
|
|
|
|
int nPoints = 9;
|
|
qreal values[9] = { 0.17, 0.12, 0.11, 0.075, 0.06, 0.035, 0.025, 0.01, 0 };
|
|
qreal x[9] = {0, 4.5, 6.6, 8.5, 11.5, 14.5, 17.5, 21.5, 25.5 };
|
|
QRadialGradient rg = QRadialGradient(
|
|
size+20.0*hoffset,
|
|
size+20.0*voffset,
|
|
shadowSize );
|
|
|
|
QColor c = shadowConfiguration.outerColor();
|
|
for( int i = 0; i<nPoints; i++ )
|
|
{ c.setAlphaF( values[i] ); rg.setColorAt( x[i]/fixedSize, c ); }
|
|
|
|
p.setBrush( rg );
|
|
p.drawRect( shadow.rect() );
|
|
|
|
}
|
|
|
|
{
|
|
|
|
int nPoints = 7;
|
|
qreal values[7] = {0.55, 0.25, 0.20, 0.1, 0.06, 0.015, 0 };
|
|
qreal x[7] = {0, 4.5, 5.5, 7.5, 8.5, 11.5, 14.5 };
|
|
QRadialGradient rg = QRadialGradient(
|
|
size+10.0*hoffset,
|
|
size+10.0*voffset,
|
|
shadowSize );
|
|
|
|
QColor c = shadowConfiguration.midColor();
|
|
for( int i = 0; i<nPoints; i++ )
|
|
{ c.setAlphaF( values[i] ); rg.setColorAt( x[i]/fixedSize, c ); }
|
|
|
|
p.setBrush( rg );
|
|
p.drawRect( shadow.rect() );
|
|
|
|
}
|
|
|
|
{
|
|
int nPoints = 5;
|
|
qreal values[5] = { 1, 0.32, 0.22, 0.03, 0 };
|
|
qreal x[5] = { 0, 4.5, 5.0, 5.5, 6.5 };
|
|
QRadialGradient rg = QRadialGradient(
|
|
size+hoffset,
|
|
size+voffset,
|
|
shadowSize );
|
|
|
|
QColor c = shadowConfiguration.innerColor();
|
|
for( int i = 0; i<nPoints; i++ )
|
|
{ c.setAlphaF( values[i] ); rg.setColorAt( x[i]/fixedSize, c ); }
|
|
|
|
p.setBrush( rg );
|
|
p.drawRect( shadow.rect() );
|
|
|
|
}
|
|
|
|
{
|
|
QRadialGradient rg = QRadialGradient( size, size, size );
|
|
QColor c = color;
|
|
|
|
c.setAlpha( 255 ); rg.setColorAt( 4.0/size, c );
|
|
c.setAlpha( 0 ); rg.setColorAt( 4.01/size, c );
|
|
|
|
p.setBrush( rg );
|
|
p.drawRect( shadow.rect() );
|
|
}
|
|
|
|
}
|
|
|
|
// draw the corner of the window - actually all 4 corners as one circle
|
|
// this is all fixedSize. Does not scale with shadow size
|
|
QLinearGradient lg = QLinearGradient(0.0, size-4.5, 0.0, size+4.5);
|
|
if( client->configuration().frameBorder() < OxygenConfiguration::BorderTiny )
|
|
{
|
|
|
|
lg.setColorAt(0.52, client->helper().backgroundTopColor(color));
|
|
lg.setColorAt(1.0, client->helper().backgroundBottomColor(color) );
|
|
|
|
} else {
|
|
|
|
QColor light = client->helper().calcLightColor( client->helper().backgroundTopColor(color) );
|
|
QColor dark = client->helper().calcDarkColor( client->helper().backgroundBottomColor(color));
|
|
|
|
lg.setColorAt(0.52, light);
|
|
lg.setColorAt(1.0, dark);
|
|
|
|
}
|
|
|
|
p.setBrush( Qt::NoBrush );
|
|
if( client->configuration().frameBorder() == OxygenConfiguration::BorderNone && !client->isShade() )
|
|
{ p.setClipRect( QRectF( 0, 0, 2*size, size ) ); }
|
|
|
|
p.setPen(QPen(lg, 0.8));
|
|
p.drawEllipse(QRectF(size-4, size-4, 8, 8));
|
|
|
|
p.end();
|
|
return shadow;
|
|
|
|
}
|
|
|
|
//_______________________________________________________
|
|
int OxygenShadowCache::Key::hash( void ) const
|
|
{
|
|
|
|
// note this can be optimized because not all of the flag configurations are actually relevant
|
|
// allocate 3 empty bits for flags
|
|
int out =
|
|
( index << 5 ) |
|
|
( active << 4 ) |
|
|
(useOxygenShadows << 3 ) |
|
|
(isShade<<2) |
|
|
(hasNoBorder<<1) |
|
|
(hasTitleOutline<<0);
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
}
|