kwin/lib/kwineffects.cpp
Martin Gräßlin df64d69ac3 Let's fill the unstyled EffectFrame texture with black instead of white. So the texture modulate still produces the correct color and the shader has the correct color.
Correctly inverted colors in PresentWindows with invert effect.

svn path=/trunk/KDE/kdebase/workspace/; revision=962235
2009-05-01 20:41:43 +00:00

1827 lines
53 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
Copyright (C) 2009 Lucas Murray <lmurray@undefinedfire.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 "kwineffects.h"
#include "kwinglutils.h"
#include "kwinxrenderutils.h"
#include <QtDBus/QtDBus>
#include <QVariant>
#include <QList>
#include <QtCore/QTimeLine>
#include <QtGui/QFontMetrics>
#include <QtGui/QPainter>
#include <QtGui/QPixmap>
#include <kdebug.h>
#include <ksharedconfig.h>
#include <kstandarddirs.h>
#include <kconfiggroup.h>
#include <assert.h>
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
#include <X11/extensions/Xrender.h>
#include <X11/extensions/Xfixes.h>
#endif
namespace KWin
{
void WindowPrePaintData::setTranslucent()
{
mask |= Effect::PAINT_WINDOW_TRANSLUCENT;
mask &= ~Effect::PAINT_WINDOW_OPAQUE;
clip = QRegion(); // cannot clip, will be transparent
}
void WindowPrePaintData::setTransformed()
{
mask |= Effect::PAINT_WINDOW_TRANSFORMED;
}
WindowPaintData::WindowPaintData( EffectWindow* w )
: opacity( w->opacity())
, contents_opacity( 1.0 )
, decoration_opacity( 1.0 )
, xScale( 1 )
, yScale( 1 )
, zScale( 1 )
, xTranslate( 0 )
, yTranslate( 0 )
, zTranslate( 0 )
, saturation( 1 )
, brightness( 1 )
, shader( NULL )
, rotation( NULL )
{
quads = w->buildQuads();
}
ScreenPaintData::ScreenPaintData()
: xScale( 1 )
, yScale( 1 )
, zScale( 1 )
, xTranslate( 0 )
, yTranslate( 0 )
, zTranslate( 0 )
, rotation( NULL )
{
}
RotationData::RotationData()
: axis( ZAxis )
, angle( 0.0 )
, xRotationPoint( 0.0 )
, yRotationPoint( 0.0 )
, zRotationPoint( 0.0 )
{
}
//****************************************
// Effect
//****************************************
Effect::Effect()
{
}
Effect::~Effect()
{
}
void Effect::reconfigure( ReconfigureFlags )
{
}
const void* Effect::proxy() const
{
return NULL;
}
void Effect::windowUserMovedResized( EffectWindow* , bool, bool )
{
}
void Effect::windowOpacityChanged( EffectWindow*, double )
{
}
void Effect::windowAdded( EffectWindow* )
{
}
void Effect::windowClosed( EffectWindow* )
{
}
void Effect::windowDeleted( EffectWindow* )
{
}
void Effect::windowActivated( EffectWindow* )
{
}
void Effect::windowMinimized( EffectWindow* )
{
}
void Effect::windowUnminimized( EffectWindow* )
{
}
void Effect::windowInputMouseEvent( Window, QEvent* )
{
}
void Effect::grabbedKeyboardEvent( QKeyEvent* )
{
}
void Effect::propertyNotify( EffectWindow* , long )
{
}
void Effect::desktopChanged( int )
{
}
void Effect::windowDamaged( EffectWindow*, const QRect& )
{
}
void Effect::windowGeometryShapeChanged( EffectWindow*, const QRect& )
{
}
void Effect::tabBoxAdded( int )
{
}
void Effect::tabBoxClosed()
{
}
void Effect::tabBoxUpdated()
{
}
bool Effect::borderActivated( ElectricBorder )
{
return false;
}
void Effect::mouseChanged( const QPoint&, const QPoint&, Qt::MouseButtons,
Qt::MouseButtons, Qt::KeyboardModifiers, Qt::KeyboardModifiers )
{
}
void Effect::prePaintScreen( ScreenPrePaintData& data, int time )
{
effects->prePaintScreen( data, time );
}
void Effect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
{
effects->paintScreen( mask, region, data );
}
void Effect::postPaintScreen()
{
effects->postPaintScreen();
}
void Effect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
{
effects->prePaintWindow( w, data, time );
}
void Effect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
{
effects->paintWindow( w, mask, region, data );
}
void Effect::postPaintWindow( EffectWindow* w )
{
effects->postPaintWindow( w );
}
void Effect::drawWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
{
effects->drawWindow( w, mask, region, data );
}
void Effect::buildQuads( EffectWindow* w, WindowQuadList& quadList )
{
effects->buildQuads( w, quadList );
}
QRect Effect::transformWindowDamage( EffectWindow* w, const QRect& r )
{
return effects->transformWindowDamage( w, r );
}
void Effect::setPositionTransformations( WindowPaintData& data, QRect& region, EffectWindow* w,
const QRect& r, Qt::AspectRatioMode aspect )
{
QSize size = w->size();
size.scale( r.size(), aspect );
data.xScale = size.width() / double( w->width());
data.yScale = size.height() / double( w->height());
int width = int( w->width() * data.xScale );
int height = int( w->height() * data.yScale );
int x = r.x() + ( r.width() - width ) / 2;
int y = r.y() + ( r.height() - height ) / 2;
region = QRect( x, y, width, height );
data.xTranslate = x - w->x();
data.yTranslate = y - w->y();
}
int Effect::displayWidth()
{
return KWin::displayWidth();
}
int Effect::displayHeight()
{
return KWin::displayHeight();
}
QPoint Effect::cursorPos()
{
return effects->cursorPos();
}
double Effect::animationTime( const KConfigGroup& cfg, const QString& key, int defaultTime )
{
int time = cfg.readEntry( key, 0 );
return time != 0 ? time : qMax( defaultTime * effects->animationTimeFactor(), 1. );
}
double Effect::animationTime( int defaultTime )
{ // at least 1ms, otherwise 0ms times can break some things
return qMax( defaultTime * effects->animationTimeFactor(), 1. );
}
//****************************************
// EffectsHandler
//****************************************
EffectsHandler::EffectsHandler(CompositingType type)
: current_paint_screen( 0 )
, current_paint_window( 0 )
, current_draw_window( 0 )
, current_build_quads( 0 )
, current_transform( 0 )
, compositing_type( type )
{
if( compositing_type == NoCompositing )
return;
KWin::effects = this;
}
EffectsHandler::~EffectsHandler()
{
// All effects should already be unloaded by Impl dtor
assert( loaded_effects.count() == 0 );
}
QRect EffectsHandler::transformWindowDamage( EffectWindow* w, const QRect& r )
{
if( current_transform < loaded_effects.size())
{
QRect rr = loaded_effects[current_transform++].second->transformWindowDamage( w, r );
--current_transform;
return rr;
}
else
return r;
}
Window EffectsHandler::createInputWindow( Effect* e, const QRect& r, const QCursor& cursor )
{
return createInputWindow( e, r.x(), r.y(), r.width(), r.height(), cursor );
}
Window EffectsHandler::createFullScreenInputWindow( Effect* e, const QCursor& cursor )
{
return createInputWindow( e, 0, 0, displayWidth(), displayHeight(), cursor );
}
CompositingType EffectsHandler::compositingType() const
{
return compositing_type;
}
bool EffectsHandler::saturationSupported() const
{
switch( compositing_type )
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
case OpenGLCompositing:
return GLTexture::saturationSupported();
#endif
case XRenderCompositing:
return false; // never
default:
abort();
}
}
void EffectsHandler::sendReloadMessage( const QString& effectname )
{
QDBusMessage message = QDBusMessage::createMethodCall("org.kde.kwin", "/KWin", "org.kde.KWin", "reconfigureEffect");
message << QString("kwin4_effect_" + effectname);
QDBusConnection::sessionBus().send(message);
}
KConfigGroup EffectsHandler::effectConfig( const QString& effectname )
{
KSharedConfig::Ptr kwinconfig = KSharedConfig::openConfig( "kwinrc", KConfig::NoGlobals );
return kwinconfig->group( "Effect-" + effectname );
}
bool EffectsHandler::paintText( const QString& text, const QRect& rect, const QColor& color,
const QFont& font, const Qt::Alignment& alignment )
{
QPainter p;
// Calculate size of the text
QFontMetrics fm( font );
QString painttext = fm.elidedText( text, Qt::ElideRight, rect.width() );
QRect textrect = fm.boundingRect( painttext );
// Create temporary QImage where the text will be drawn onto
QImage textImage( textrect.width(), textrect.height(), QImage::Format_ARGB32 );
textImage.fill( Qt::transparent );
// Draw the text
p.begin( &textImage );
p.setFont( font );
p.setRenderHint( QPainter::TextAntialiasing );
p.setPen( color );
p.drawText( -textrect.topLeft(), painttext );
p.end();
// Area covered by text
int rectX, rectY;
if( alignment & Qt::AlignLeft )
rectX = rect.x();
else if( alignment & Qt::AlignRight )
rectX = rect.right() - textrect.width();
else
rectX = rect.center().x() - textrect.width() / 2;
if( alignment & Qt::AlignTop )
rectY = rect.y();
else if( alignment & Qt::AlignBottom )
rectY = rect.bottom() - textrect.height();
else
rectY = rect.center().y() - textrect.height() / 2;
QRect area( rectX, rectY, textrect.width(), textrect.height() );
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( effects->compositingType() == OpenGLCompositing )
{
GLTexture textTexture( textImage, GL_TEXTURE_RECTANGLE_ARB );
glPushAttrib( GL_CURRENT_BIT | GL_ENABLE_BIT | GL_TEXTURE_BIT );
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
textTexture.bind();
textTexture.render( infiniteRegion(), area );
textTexture.unbind();
glPopAttrib();
return true;
}
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( effects->compositingType() == XRenderCompositing )
{
XRenderPicture textPicture( QPixmap::fromImage( textImage ));
XRenderComposite( display(), textImage.depth() == 32 ? PictOpOver : PictOpSrc,
textPicture, None, effects->xrenderBufferPicture(),
0, 0, 0, 0, area.x(), area.y(), area.width(), area.height());
return true;
}
#endif
return false;
}
bool EffectsHandler::paintTextWithBackground( const QString& text, const QRect& rect, const QColor& color,
const QColor& bgcolor, const QFont& font, const Qt::Alignment& alignment )
{
// Calculate size of the text
QFontMetrics fm( font );
QString painttext = fm.elidedText( text, Qt::ElideRight, rect.width() );
QRect textrect = fm.boundingRect( painttext );
// Area covered by text
int rectX, rectY;
if( alignment & Qt::AlignLeft )
rectX = rect.x();
else if( alignment & Qt::AlignRight )
rectX = rect.right() - textrect.width();
else
rectX = rect.center().x() - textrect.width() / 2;
if( alignment & Qt::AlignTop )
rectY = rect.y();
else if( alignment & Qt::AlignBottom )
rectY = rect.bottom() - textrect.height();
else
rectY = rect.center().y() - textrect.height() / 2;
QRect area( rectX, rectY, textrect.width(), textrect.height() );
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( effects->compositingType() == OpenGLCompositing )
{
glColor4f( bgcolor.redF(), bgcolor.greenF(), bgcolor.blueF(), bgcolor.alphaF() );
renderRoundBox( area.adjusted( -8, -3, 8, 3 ), 5 );
return paintText( text, rect, color, font, alignment );
}
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( effects->compositingType() == XRenderCompositing )
{
xRenderRoundBox( effects->xrenderBufferPicture(), area.adjusted( -8, -3, 8, 3 ), 5, bgcolor );
return paintText( text, rect, color, font, alignment );
}
#endif
return false;
}
EffectsHandler* effects = 0;
//****************************************
// EffectWindow
//****************************************
EffectWindow::EffectWindow()
{
}
EffectWindow::~EffectWindow()
{
}
bool EffectWindow::isOnCurrentDesktop() const
{
return isOnDesktop( effects->currentDesktop());
}
bool EffectWindow::isOnDesktop( int d ) const
{
return desktop() == d || isOnAllDesktops();
}
bool EffectWindow::hasDecoration() const
{
return contentsRect() != QRect( 0, 0, width(), height());
}
//****************************************
// EffectWindowGroup
//****************************************
EffectWindowGroup::~EffectWindowGroup()
{
}
//****************************************
// GlobalShortcutsEditor
//****************************************
GlobalShortcutsEditor::GlobalShortcutsEditor( QWidget *parent ) :
KShortcutsEditor( parent, GlobalAction )
{
}
/***************************************************************
WindowQuad
***************************************************************/
WindowQuad WindowQuad::makeSubQuad( double x1, double y1, double x2, double y2 ) const
{
assert( x1 < x2 && y1 < y2 && x1 >= left() && x2 <= right() && y1 >= top() && y2 <= bottom());
#ifndef NDEBUG
if( isTransformed())
kFatal( 1212 ) << "Splitting quads is allowed only in pre-paint calls!" ;
#endif
WindowQuad ret( *this );
// vertices are clockwise starting from topleft
ret.verts[ 0 ].px = x1;
ret.verts[ 3 ].px = x1;
ret.verts[ 1 ].px = x2;
ret.verts[ 2 ].px = x2;
ret.verts[ 0 ].py = y1;
ret.verts[ 1 ].py = y1;
ret.verts[ 2 ].py = y2;
ret.verts[ 3 ].py = y2;
// original x/y are supposed to be the same, no transforming is done here
ret.verts[ 0 ].ox = x1;
ret.verts[ 3 ].ox = x1;
ret.verts[ 1 ].ox = x2;
ret.verts[ 2 ].ox = x2;
ret.verts[ 0 ].oy = y1;
ret.verts[ 1 ].oy = y1;
ret.verts[ 2 ].oy = y2;
ret.verts[ 3 ].oy = y2;
double my_tleft = verts[ 0 ].tx;
double my_tright = verts[ 2 ].tx;
double my_ttop = verts[ 0 ].ty;
double my_tbottom = verts[ 2 ].ty;
double tleft = ( x1 - left()) / ( right() - left()) * ( my_tright - my_tleft ) + my_tleft;
double tright = ( x2 - left()) / ( right() - left()) * ( my_tright - my_tleft ) + my_tleft;
double ttop = ( y1 - top()) / ( bottom() - top()) * ( my_tbottom - my_ttop ) + my_ttop;
double tbottom = ( y2 - top()) / ( bottom() - top()) * ( my_tbottom - my_ttop ) + my_ttop;
ret.verts[ 0 ].tx = tleft;
ret.verts[ 3 ].tx = tleft;
ret.verts[ 1 ].tx = tright;
ret.verts[ 2 ].tx = tright;
ret.verts[ 0 ].ty = ttop;
ret.verts[ 1 ].ty = ttop;
ret.verts[ 2 ].ty = tbottom;
ret.verts[ 3 ].ty = tbottom;
return ret;
}
bool WindowQuad::smoothNeeded() const
{
// smoothing is needed if the width or height of the quad does not match the original size
double width = verts[ 1 ].ox - verts[ 0 ].ox;
double height = verts[ 2 ].oy - verts[ 1 ].oy;
return( verts[ 1 ].px - verts[ 0 ].px != width || verts[ 2 ].px - verts[ 3 ].px != width
|| verts[ 2 ].py - verts[ 1 ].py != height || verts[ 3 ].py - verts[ 0 ].py != height );
}
/***************************************************************
WindowQuadList
***************************************************************/
WindowQuadList WindowQuadList::splitAtX( double x ) const
{
WindowQuadList ret;
foreach( const WindowQuad &quad, *this )
{
#ifndef NDEBUG
if( quad.isTransformed())
kFatal( 1212 ) << "Splitting quads is allowed only in pre-paint calls!" ;
#endif
bool wholeleft = true;
bool wholeright = true;
for( int i = 0;
i < 4;
++i )
{
if( quad[ i ].x() < x )
wholeright = false;
if( quad[ i ].x() > x )
wholeleft = false;
}
if( wholeleft || wholeright ) // is whole in one split part
{
ret.append( quad );
continue;
}
if( quad.left() == quad.right() ) // quad has no size
{
ret.append( quad );
continue;
}
ret.append( quad.makeSubQuad( quad.left(), quad.top(), x, quad.bottom()));
ret.append( quad.makeSubQuad( x, quad.top(), quad.right(), quad.bottom()));
}
return ret;
}
WindowQuadList WindowQuadList::splitAtY( double y ) const
{
WindowQuadList ret;
foreach( const WindowQuad &quad, *this )
{
#ifndef NDEBUG
if( quad.isTransformed())
kFatal( 1212 ) << "Splitting quads is allowed only in pre-paint calls!" ;
#endif
bool wholetop = true;
bool wholebottom = true;
for( int i = 0;
i < 4;
++i )
{
if( quad[ i ].y() < y )
wholebottom = false;
if( quad[ i ].y() > y )
wholetop = false;
}
if( wholetop || wholebottom ) // is whole in one split part
{
ret.append( quad );
continue;
}
if( quad.top() == quad.bottom() ) // quad has no size
{
ret.append( quad );
continue;
}
ret.append( quad.makeSubQuad( quad.left(), quad.top(), quad.right(), y ));
ret.append( quad.makeSubQuad( quad.left(), y, quad.right(), quad.bottom()));
}
return ret;
}
WindowQuadList WindowQuadList::makeGrid( int maxquadsize ) const
{
if( empty())
return *this;
// find the bounding rectangle
double left = first().left();
double right = first().right();
double top = first().top();
double bottom = first().bottom();
foreach( const WindowQuad &quad, *this )
{
#ifndef NDEBUG
if( quad.isTransformed())
kFatal( 1212 ) << "Splitting quads is allowed only in pre-paint calls!" ;
#endif
left = qMin( left, quad.left());
right = qMax( right, quad.right());
top = qMin( top, quad.top());
bottom = qMax( bottom, quad.bottom());
}
WindowQuadList ret;
for( double x = left;
x < right;
x += maxquadsize )
{
for( double y = top;
y < bottom;
y += maxquadsize )
{
foreach( const WindowQuad &quad, *this )
{
if( QRectF( QPointF( quad.left(), quad.top()), QPointF( quad.right(), quad.bottom()))
.intersects( QRectF( x, y, maxquadsize, maxquadsize )))
{
ret.append( quad.makeSubQuad( qMax( x, quad.left()), qMax( y, quad.top()),
qMin( quad.right(), x + maxquadsize ), qMin( quad.bottom(), y + maxquadsize )));
}
}
}
}
return ret;
}
WindowQuadList WindowQuadList::makeRegularGrid( int xSubdivisions, int ySubdivisions ) const
{
if( empty())
return *this;
// find the bounding rectangle
double left = first().left();
double right = first().right();
double top = first().top();
double bottom = first().bottom();
foreach( const WindowQuad &quad, *this )
{
#ifndef NDEBUG
if( quad.isTransformed())
kFatal( 1212 ) << "Splitting quads is allowed only in pre-paint calls!" ;
#endif
left = qMin( left, quad.left());
right = qMax( right, quad.right());
top = qMin( top, quad.top());
bottom = qMax( bottom, quad.bottom());
}
double xincrement = (right - left) / xSubdivisions;
double yincrement = (bottom - top) / ySubdivisions;
WindowQuadList ret;
for( double y = top;
y < bottom;
y += yincrement )
{
for( double x = left;
x < right;
x += xincrement)
{
foreach( const WindowQuad &quad, *this )
{
if( QRectF( QPointF( quad.left(), quad.top()), QPointF( quad.right(), quad.bottom()))
.intersects( QRectF( x, y, xincrement, yincrement )))
{
ret.append( quad.makeSubQuad( qMax( x, quad.left()), qMax( y, quad.top()),
qMin( quad.right(), x + xincrement ), qMin( quad.bottom(), y + yincrement )));
}
}
}
}
return ret;
}
void WindowQuadList::makeArrays( float** vertices, float** texcoords ) const
{
*vertices = new float[ count() * 4 * 2 ];
*texcoords = new float[ count() * 4 * 2 ];
float* vpos = *vertices;
float* tpos = *texcoords;
for( int i = 0;
i < count();
++i )
for( int j = 0;
j < 4;
++j )
{
*vpos++ = at( i )[ j ].x();
*vpos++ = at( i )[ j ].y();
*tpos++ = at( i )[ j ].tx;
*tpos++ = at( i )[ j ].ty;
}
}
WindowQuadList WindowQuadList::select( WindowQuadType type ) const
{
foreach( const WindowQuad &q, *this )
{
if( q.type() != type ) // something else than ones to select, make a copy and filter
{
WindowQuadList ret;
foreach( const WindowQuad &q, *this )
{
if( q.type() == type )
ret.append( q );
}
return ret;
}
}
return *this; // nothing to filter out
}
WindowQuadList WindowQuadList::filterOut( WindowQuadType type ) const
{
foreach( const WindowQuad &q, *this )
{
if( q.type() == type ) // something to filter out, make a copy and filter
{
WindowQuadList ret;
foreach( const WindowQuad &q, *this )
{
if( q.type() != type )
ret.append( q );
}
return ret;
}
}
return *this; // nothing to filter out
}
bool WindowQuadList::smoothNeeded() const
{
foreach( const WindowQuad &q, *this )
if( q.smoothNeeded())
return true;
return false;
}
bool WindowQuadList::isTransformed() const
{
foreach( const WindowQuad &q, *this )
if( q.isTransformed())
return true;
return false;
}
/***************************************************************
PaintClipper
***************************************************************/
QStack< QRegion >* PaintClipper::areas = NULL;
PaintClipper::PaintClipper( const QRegion& allowed_area )
: area( allowed_area )
{
push( area );
}
PaintClipper::~PaintClipper()
{
pop( area );
}
void PaintClipper::push( const QRegion& allowed_area )
{
if( allowed_area == infiniteRegion()) // don't push these
return;
if( areas == NULL )
areas = new QStack< QRegion >;
areas->push( allowed_area );
}
void PaintClipper::pop( const QRegion& allowed_area )
{
if( allowed_area == infiniteRegion())
return;
Q_ASSERT( areas != NULL );
Q_ASSERT( areas->top() == allowed_area );
areas->pop();
if( areas->isEmpty())
{
delete areas;
areas = NULL;
}
}
bool PaintClipper::clip()
{
return areas != NULL;
}
QRegion PaintClipper::paintArea()
{
assert( areas != NULL ); // can be called only with clip() == true
QRegion ret = QRegion( 0, 0, displayWidth(), displayHeight());
foreach( const QRegion &r, *areas )
ret &= r;
return ret;
}
struct PaintClipper::Iterator::Data
{
Data() : index( 0 ) {}
int index;
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
QVector< QRect > rects;
#endif
};
PaintClipper::Iterator::Iterator()
: data( new Data )
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( clip() && effects->compositingType() == OpenGLCompositing )
{
glPushAttrib( GL_SCISSOR_BIT );
glEnable( GL_SCISSOR_TEST );
data->rects = paintArea().rects();
data->index = -1;
next(); // move to the first one
}
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( clip() && effects->compositingType() == XRenderCompositing )
{
XserverRegion region = toXserverRegion( paintArea());
XFixesSetPictureClipRegion( display(), effects->xrenderBufferPicture(), 0, 0, region );
XFixesDestroyRegion( display(), region ); // it's ref-counted
}
#endif
}
PaintClipper::Iterator::~Iterator()
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( clip() && effects->compositingType() == OpenGLCompositing )
glPopAttrib();
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( clip() && effects->compositingType() == XRenderCompositing )
XFixesSetPictureClipRegion( display(), effects->xrenderBufferPicture(), 0, 0, None );
#endif
delete data;
}
bool PaintClipper::Iterator::isDone()
{
if( !clip())
return data->index == 1; // run once
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( effects->compositingType() == OpenGLCompositing )
return data->index >= data->rects.count(); // run once per each area
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( effects->compositingType() == XRenderCompositing )
return data->index == 1; // run once
#endif
abort();
}
void PaintClipper::Iterator::next()
{
data->index++;
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( clip() && effects->compositingType() == OpenGLCompositing && data->index < data->rects.count())
{
const QRect& r = data->rects[ data->index ];
// Scissor rect has to be given in OpenGL coords
glScissor( r.x(), displayHeight() - r.y() - r.height(), r.width(), r.height());
}
#endif
}
QRect PaintClipper::Iterator::boundingRect() const
{
if( !clip())
return infiniteRegion();
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( effects->compositingType() == OpenGLCompositing )
return data->rects[ data->index ];
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( effects->compositingType() == XRenderCompositing )
return paintArea().boundingRect();
#endif
abort();
return infiniteRegion();
}
/***************************************************************
TimeLine
***************************************************************/
TimeLine::TimeLine(const int duration)
{
m_Time = 0;
m_Duration = duration;
m_TimeLine = new QTimeLine(m_Duration ? m_Duration : 1); // (avoid QTimeLine warning)
m_TimeLine->setFrameRange(0, m_Duration);
m_TimeLine->setCurveShape(QTimeLine::EaseInCurve);
}
TimeLine::TimeLine(const TimeLine &other)
{
m_Time = other.m_Time;
m_Duration = other.m_Duration;
m_TimeLine = new QTimeLine(m_Duration ? m_Duration : 1);
m_TimeLine->setFrameRange(0, m_Duration);
setCurveShape(m_CurveShape);
if( m_Duration != 0 )
setProgress(m_Progress);
}
TimeLine::~TimeLine()
{
delete m_TimeLine;
}
int TimeLine::duration() const
{
return m_Duration;
}
void TimeLine::setDuration(const int msec)
{
m_Duration = msec;
m_TimeLine->setDuration(m_Duration);
m_TimeLine->setFrameRange(0, m_Duration);
}
double TimeLine::value() const
{
Q_ASSERT( m_Duration != 0 );
return valueForTime(m_Time);
}
double TimeLine::valueForTime(const int msec) const
{
Q_ASSERT( m_Duration != 0 );
// Catch non QTimeLine CurveShapes here, (but there are none right now)
// else use QTimeLine ...
return m_TimeLine->valueForTime(msec);
}
void TimeLine::addTime(const int msec)
{
Q_ASSERT( m_Duration != 0 );
m_Time = qMin(m_Duration, m_Time + msec);
m_Progress = (double)m_Time / m_Duration;
}
void TimeLine::removeTime(const int msec)
{
Q_ASSERT( m_Duration != 0 );
m_Time = qMax(0, m_Time - msec);
m_Progress = (double)m_Time / m_Duration;
}
void TimeLine::setProgress(const double progress)
{
Q_ASSERT( m_Duration != 0 );
m_Progress = progress;
m_Time = qRound(m_Duration * progress);
}
double TimeLine::progress() const
{
Q_ASSERT( m_Duration != 0 );
return m_Progress;
}
int TimeLine::time() const
{
Q_ASSERT( m_Duration != 0 );
return m_Time;
}
void TimeLine::addProgress(const double progress)
{
Q_ASSERT( m_Duration != 0 );
m_Progress += progress;
m_Time = (int)(m_Duration * m_Progress);
}
void TimeLine::setCurveShape(CurveShape curveShape)
{
switch (curveShape)
{
case EaseInCurve:
m_TimeLine->setCurveShape(QTimeLine::EaseInCurve);
break;
case EaseOutCurve:
m_TimeLine->setCurveShape(QTimeLine::EaseOutCurve);
break;
case EaseInOutCurve:
m_TimeLine->setCurveShape(QTimeLine::EaseInOutCurve);
break;
case LinearCurve:
m_TimeLine->setCurveShape(QTimeLine::LinearCurve);
break;
case SineCurve:
m_TimeLine->setCurveShape(QTimeLine::SineCurve);
break;
}
m_CurveShape = curveShape;
}
/***************************************************************
Motion1D
***************************************************************/
Motion1D::Motion1D( double initial, double strength, double smoothness )
: Motion<double>( initial, strength, smoothness )
{
}
Motion1D::Motion1D( const Motion1D &other )
: Motion<double>( other )
{
}
Motion1D::~Motion1D()
{
}
/***************************************************************
Motion2D
***************************************************************/
Motion2D::Motion2D( QPointF initial, double strength, double smoothness )
: Motion<QPointF>( initial, strength, smoothness )
{
}
Motion2D::Motion2D( const Motion2D &other )
: Motion<QPointF>( other )
{
}
Motion2D::~Motion2D()
{
}
/***************************************************************
WindowMotionManager
***************************************************************/
WindowMotionManager::WindowMotionManager( bool useGlobalAnimationModifier )
: m_useGlobalAnimationModifier( useGlobalAnimationModifier )
, m_movingWindows( 0 )
{ // TODO: Allow developer to modify motion attributes
} // TODO: What happens when the window moves by an external force?
WindowMotionManager::~WindowMotionManager()
{
}
void WindowMotionManager::manage( EffectWindow *w )
{
if( m_managedWindows.contains( w ))
return;
double strength = 0.08;
double smoothness = 4.0;
if( m_useGlobalAnimationModifier && effects->animationTimeFactor() )
{ // If the factor is == 0 then we just skip the calculation completely
strength = 0.08 / effects->animationTimeFactor();
smoothness = effects->animationTimeFactor() * 4.0;
}
m_managedWindows[ w ] = WindowMotion();
m_managedWindows[ w ].translation.setStrength( strength );
m_managedWindows[ w ].translation.setSmoothness( smoothness );
m_managedWindows[ w ].scale.setStrength( strength * 1.33 );
m_managedWindows[ w ].scale.setSmoothness( smoothness / 2.0 );
m_managedWindows[ w ].translation.setValue( w->pos() );
m_managedWindows[ w ].scale.setValue( QPointF( 1.0, 1.0 ));
}
void WindowMotionManager::unmanage( EffectWindow *w )
{
if( !m_managedWindows.contains( w ))
return;
QPointF diffT = m_managedWindows[ w ].translation.distance();
QPointF diffS = m_managedWindows[ w ].scale.distance();
if( diffT.x() != 0.0 || diffT.y() != 0.0 || diffS.x() != 0.0 || diffS.y() != 0.0 )
m_movingWindows--; // Window was moving
m_managedWindows.remove( w );
}
void WindowMotionManager::unmanageAll()
{
m_managedWindows.clear();
m_movingWindows = 0;
}
void WindowMotionManager::calculate( int time )
{
if( !effects->animationTimeFactor() )
{ // Just skip it completely if the user wants no animation
m_movingWindows = 0;
QHash<EffectWindow*, WindowMotion>::iterator it = m_managedWindows.begin();
for(; it != m_managedWindows.end(); it++ )
{
WindowMotion *motion = &it.value();
motion->translation.finish();
motion->scale.finish();
}
}
QHash<EffectWindow*, WindowMotion>::iterator it = m_managedWindows.begin();
for(; it != m_managedWindows.end(); it++ )
{
WindowMotion *motion = &it.value();
bool stopped = false;
// TODO: What happens when distance() == 0 but we are still moving fast?
// TODO: Motion needs to be calculated from the window's center
QPointF diffT = motion->translation.distance();
if( diffT != QPoint( 0.0, 0.0 ))
{ // Still moving
motion->translation.calculate( time );
diffT = motion->translation.distance();
if( qAbs( diffT.x() ) < 0.5 && qAbs( motion->translation.velocity().x() ) < 0.2 &&
qAbs( diffT.y() ) < 0.5 && qAbs( motion->translation.velocity().y() ) < 0.2 )
{ // Hide tiny oscillations
motion->translation.finish();
diffT = QPoint( 0.0, 0.0 );
stopped = true;
}
}
QPointF diffS = motion->scale.distance();
if( diffS != QPoint( 0.0, 0.0 ))
{ // Still scaling
motion->scale.calculate( time );
diffS = motion->scale.distance();
if( qAbs( diffS.x() ) < 0.001 && qAbs( motion->scale.velocity().x() ) < 0.05 &&
qAbs( diffS.y() ) < 0.001 && qAbs( motion->scale.velocity().y() ) < 0.05 )
{ // Hide tiny oscillations
motion->scale.finish();
diffS = QPoint( 0.0, 0.0 );
stopped = true;
}
}
// We just finished this window's motion
if( stopped && diffT == QPoint( 0.0, 0.0 ) && diffS == QPoint( 0.0, 0.0 ))
m_movingWindows--;
}
}
void WindowMotionManager::reset()
{
if( !m_managedWindows.count() )
return;
EffectWindowList windows = m_managedWindows.keys();
for( int i = 0; i < windows.size(); i++ )
{
EffectWindow *w = windows.at( i );
m_managedWindows[ w ].translation.setTarget( w->pos() );
m_managedWindows[ w ].translation.finish();
m_managedWindows[ w ].scale.setTarget( QPointF( 1.0, 1.0 ));
m_managedWindows[ w ].scale.finish();
}
}
void WindowMotionManager::reset( EffectWindow *w )
{
if( !m_managedWindows.contains( w ))
return;
m_managedWindows[ w ].translation.setTarget( w->pos() );
m_managedWindows[ w ].translation.finish();
m_managedWindows[ w ].scale.setTarget( QPointF( 1.0, 1.0 ));
m_managedWindows[ w ].scale.finish();
}
void WindowMotionManager::apply( EffectWindow *w, WindowPaintData &data )
{
if( !m_managedWindows.contains( w ))
return;
// TODO: Take into account existing scale so that we can work with multiple managers (E.g. Present windows + grid)
data.xTranslate += m_managedWindows[ w ].translation.value().x() - w->x();
data.yTranslate += m_managedWindows[ w ].translation.value().y() - w->y();
data.xScale *= m_managedWindows[ w ].scale.value().x();
data.yScale *= m_managedWindows[ w ].scale.value().y();
}
void WindowMotionManager::moveWindow( EffectWindow *w, QPoint target, double scale, double yScale )
{
if( !m_managedWindows.contains( w ))
abort(); // Notify the effect author that they did something wrong
if( yScale == 0.0 )
yScale = scale;
QPointF scalePoint( scale, yScale );
if( m_managedWindows[ w ].translation.value() == target &&
m_managedWindows[ w ].scale.value() == scalePoint )
return; // Window already at that position
m_managedWindows[ w ].translation.setTarget( target );
m_managedWindows[ w ].scale.setTarget( scalePoint );
if( m_managedWindows[ w ].translation.velocity() == QPointF( 0.0, 0.0 ) &&
m_managedWindows[ w ].scale.velocity() == QPointF( 0.0, 0.0 ))
m_movingWindows++;
}
QRectF WindowMotionManager::transformedGeometry( EffectWindow *w ) const
{
QRectF geometry( w->geometry() );
// TODO: Take into account existing scale so that we can work with multiple managers (E.g. Present windows + grid)
geometry.moveTo( m_managedWindows[ w ].translation.value() );
geometry.setWidth( geometry.width() * m_managedWindows[ w ].scale.value().x() );
geometry.setHeight( geometry.height() * m_managedWindows[ w ].scale.value().y() );
return geometry;
}
QRectF WindowMotionManager::targetGeometry( EffectWindow *w ) const
{
QRectF geometry( w->geometry() );
// TODO: Take into account existing scale so that we can work with multiple managers (E.g. Present windows + grid)
geometry.moveTo( m_managedWindows[ w ].translation.target() );
geometry.setWidth( geometry.width() * m_managedWindows[ w ].scale.target().x() );
geometry.setHeight( geometry.height() * m_managedWindows[ w ].scale.target().y() );
return geometry;
}
EffectWindow* WindowMotionManager::windowAtPoint( QPoint point, bool useStackingOrder ) const
{
// TODO: Stacking order uses EffectsHandler::stackingOrder() then filters by m_managedWindows
EffectWindowList windows = m_managedWindows.keys();
for( int i = 0; i < windows.size(); i++ )
if( transformedGeometry( windows.at( i )).contains( point ))
return windows.at( i );
return NULL;
}
/***************************************************************
EffectFrame
***************************************************************/
GLTexture* EffectFrame::m_unstyledTexture = NULL;
EffectFrame::EffectFrame( Style style, bool staticSize, QPoint position, Qt::Alignment alignment )
: QObject()
, m_style( style )
, m_static( staticSize )
, m_point( position )
, m_alignment( alignment )
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
m_texture = NULL;
m_textTexture = NULL;
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
m_picture = NULL;
m_textPicture = NULL;
#endif
if( m_style == Unstyled )
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( effects->compositingType() == OpenGLCompositing && !m_unstyledTexture )
updateUnstyledTexture();
#endif
}
else if( m_style == Styled )
{
m_frame.setImagePath( "widgets/background" );
m_frame.setCacheAllRenderedFrames( true );
connect( Plasma::Theme::defaultTheme(), SIGNAL( themeChanged() ), this, SLOT( plasmaThemeChanged() ));
}
}
EffectFrame::~EffectFrame()
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
delete m_texture;
delete m_textTexture;
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
delete m_picture;
delete m_textPicture;
#endif
}
void EffectFrame::free()
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
delete m_texture;
m_texture = NULL;
delete m_textTexture;
m_textTexture = NULL;
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
delete m_picture;
m_picture = NULL;
delete m_textPicture;
m_textPicture = NULL;
#endif
}
void EffectFrame::render( QRegion region, double opacity, double frameOpacity )
{
if( m_geometry.isEmpty() )
return; // Nothing to display
region = infiniteRegion(); // TODO: Old region doesn't seem to work with OpenGL
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( effects->compositingType() == OpenGLCompositing )
{
glPushAttrib( GL_CURRENT_BIT | GL_ENABLE_BIT | GL_TEXTURE_BIT );
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
glPushMatrix();
// Render the actual frame
if( m_style == Unstyled )
{
const QRect& area = m_geometry.adjusted( -5, -5, 5, 5 );
const int roundness = 5;
QVector<float> verts, texCoords;
verts.reserve( 80 );
texCoords.reserve( 80 );
// Center
addQuadVertices( verts, area.left() + roundness, area.top() + roundness,
area.right() - roundness, area.bottom() - roundness );
addQuadVertices( texCoords, 0.5, 0.5, 0.5, 0.5 );
// Left
addQuadVertices( verts, area.left(), area.top() + roundness,
area.left() + roundness, area.bottom() - roundness );
addQuadVertices( texCoords, 0.0, 0.5, 0.5, 0.5 );
// Top
addQuadVertices( verts, area.left() + roundness, area.top(),
area.right() - roundness, area.top() + roundness );
addQuadVertices( texCoords, 0.5, 0.0, 0.5, 0.5 );
// Right
addQuadVertices( verts, area.right() - roundness, area.top() + roundness,
area.right(), area.bottom() - roundness );
addQuadVertices( texCoords, 0.5, 0.5, 1.0, 0.5 );
// Bottom
addQuadVertices( verts, area.left() + roundness, area.bottom() - roundness,
area.right() - roundness, area.bottom() );
addQuadVertices( texCoords, 0.5, 0.5, 0.5, 1.0 );
// Top-left
addQuadVertices( verts, area.left(), area.top(),
area.left() + roundness, area.top() + roundness );
addQuadVertices( texCoords, 0.0, 0.0, 0.5, 0.5 );
// Top-right
addQuadVertices( verts, area.right() - roundness, area.top(),
area.right(), area.top() + roundness );
addQuadVertices( texCoords, 0.5, 0.0, 1.0, 0.5 );
// Bottom-left
addQuadVertices( verts, area.left(), area.bottom() - roundness,
area.left() + roundness, area.bottom() );
addQuadVertices( texCoords, 0.0, 0.5, 0.5, 1.0 );
// Bottom-right
addQuadVertices( verts, area.right() - roundness, area.bottom() - roundness,
area.right(), area.bottom() );
addQuadVertices( texCoords, 0.5, 0.5, 1.0, 1.0 );
glColor4f( 0.0, 0.0, 0.0, opacity * frameOpacity );
m_unstyledTexture->bind();
m_unstyledTexture->enableNormalizedTexCoords();
renderGLGeometry( verts.count() / 2, verts.data(), texCoords.data() );
m_unstyledTexture->disableNormalizedTexCoords();
m_unstyledTexture->unbind();
}
else if( m_style == Styled )
{
if( !m_texture ) // Lazy creation
updateTexture();
glColor4f( 1.0, 1.0, 1.0, opacity * frameOpacity );
m_texture->bind();
qreal left, top, right, bottom;
m_frame.getMargins( left, top, right, bottom ); // m_geometry is the inner geometry
m_texture->render( region, m_geometry.adjusted( -left, -top, right, bottom ));
m_texture->unbind();
}
glColor4f( 1.0, 1.0, 1.0, opacity );
// Render icon
if( !m_icon.isNull() && !m_iconSize.isEmpty() )
{
QPoint topLeft( m_geometry.x(), m_geometry.center().y() - m_iconSize.height() / 2 );
GLTexture* icon = new GLTexture( m_icon ); // TODO: Cache
icon->bind();
icon->render( region, QRect( topLeft, m_iconSize ));
icon->unbind();
delete icon;
}
// Render text
if( !m_text.isEmpty() )
{
if( !m_textTexture ) // Lazy creation
updateTextTexture();
m_textTexture->bind();
m_textTexture->render( region, m_geometry );
m_textTexture->unbind();
}
glPopMatrix();
glPopAttrib();
}
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( effects->compositingType() == XRenderCompositing )
{
// Render the actual frame
if( m_style == Unstyled )
xRenderRoundBox( effects->xrenderBufferPicture(), m_geometry.adjusted( -5, -5, 5, 5 ),
5, QColor( 0, 0, 0, int( opacity * frameOpacity * 255 )));
else if( m_style == Styled )
{
if( !m_picture ) // Lazy creation
updatePicture();
qreal left, top, right, bottom;
m_frame.getMargins( left, top, right, bottom ); // m_geometry is the inner geometry
QRect geom = m_geometry.adjusted( -left, -top, right, bottom );
XRenderComposite( display(), PictOpOver, *m_picture, None, effects->xrenderBufferPicture(),
0, 0, 0, 0, geom.x(), geom.y(), geom.width(), geom.height() );
}
// Opacity, TODO: Can we further optimize this?
XRenderPicture fill = xRenderFill( QColor( 255, 255, 255, int( opacity * 255 )));
// Render icon
if( !m_icon.isNull() && !m_iconSize.isEmpty() )
{
QPoint topLeft( m_geometry.x(), m_geometry.center().y() - m_iconSize.height() / 2 );
XRenderPicture* icon = new XRenderPicture( m_icon ); // TODO: Cache
QRect geom = QRect( topLeft, m_iconSize );
XRenderComposite( display(), PictOpOver, *icon, fill, effects->xrenderBufferPicture(),
0, 0, 0, 0, geom.x(), geom.y(), geom.width(), geom.height() );
delete icon;
}
// Render text
if( !m_text.isEmpty() )
{
if( !m_textPicture ) // Lazy creation
updateTextPicture();
XRenderComposite( display(), PictOpOver, *m_textPicture, fill, effects->xrenderBufferPicture(),
0, 0, 0, 0, m_geometry.x(), m_geometry.y(), m_geometry.width(), m_geometry.height() );
}
}
#endif
}
void EffectFrame::setPosition( const QPoint& point )
{
m_point = point;
autoResize();
}
void EffectFrame::setGeometry( const QRect& geometry, bool force )
{
QRect oldGeom = m_geometry;
m_geometry = geometry;
if( m_geometry == oldGeom && !force )
return;
effects->addRepaint( oldGeom );
effects->addRepaint( m_geometry );
if( m_geometry.size() == oldGeom.size() && !force )
return;
if( m_style == Styled )
{
qreal left, top, right, bottom;
m_frame.getMargins( left, top, right, bottom ); // m_geometry is the inner geometry
m_frame.resizeFrame( m_geometry.adjusted( -left, -top, right, bottom ).size() );
}
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( effects->compositingType() == OpenGLCompositing )
{
delete m_texture;
m_texture = NULL;
delete m_textTexture;
m_textTexture = NULL;
}
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( effects->compositingType() == XRenderCompositing )
{
delete m_picture;
m_picture = NULL;
delete m_textPicture;
m_textPicture = NULL;
}
#endif
}
void EffectFrame::setText( const QString& text )
{
m_text = text;
QRect oldGeom = m_geometry;
autoResize();
if( oldGeom == m_geometry )
{ // Wasn't updated in autoResize()
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( effects->compositingType() == OpenGLCompositing )
{
delete m_textTexture;
m_textTexture = NULL;
}
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( effects->compositingType() == XRenderCompositing )
{
delete m_textPicture;
m_textPicture = NULL;
}
#endif
}
}
void EffectFrame::setFont( const QFont& font )
{
m_font = font;
QRect oldGeom = m_geometry;
if( !m_text.isEmpty() )
autoResize();
if( oldGeom == m_geometry )
{ // Wasn't updated in autoResize()
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( effects->compositingType() == OpenGLCompositing )
{
delete m_textTexture;
m_textTexture = NULL;
}
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( effects->compositingType() == XRenderCompositing )
{
delete m_textPicture;
m_textPicture = NULL;
}
#endif
}
}
void EffectFrame::setIcon( const QPixmap& icon )
{
m_icon = icon;
if( m_iconSize.isEmpty() ) // Set a size if we don't already have one
setIconSize( m_icon.size() );
}
void EffectFrame::setIconSize( const QSize& size )
{
m_iconSize = size;
autoResize();
}
QColor EffectFrame::styledTextColor()
{
return Plasma::Theme::defaultTheme()->color( Plasma::Theme::TextColor );
}
void EffectFrame::plasmaThemeChanged()
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
if( effects->compositingType() == OpenGLCompositing )
{
delete m_texture;
m_texture = NULL;
delete m_textTexture;
m_textTexture = NULL;
}
#endif
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if( effects->compositingType() == XRenderCompositing )
{
delete m_picture;
m_picture = NULL;
delete m_textPicture;
m_textPicture = NULL;
}
#endif
}
void EffectFrame::autoResize()
{
if( m_static )
return; // Not automatically resizing
QRect geometry;
// Set size
if( !m_text.isEmpty() )
{
QFontMetrics metrics( m_font );
geometry.setSize( metrics.size( 0, m_text ));
}
if( !m_icon.isNull() && !m_iconSize.isEmpty() )
{
geometry.setLeft( -m_iconSize.width() );
if( m_iconSize.height() > geometry.height() )
geometry.setHeight( m_iconSize.height() );
}
// Set position
if( m_alignment & Qt::AlignLeft )
geometry.moveLeft( m_point.x() );
else if( m_alignment & Qt::AlignRight )
geometry.moveLeft( m_point.x() - geometry.width() );
else
geometry.moveLeft( m_point.x() - geometry.width() / 2 );
if( m_alignment & Qt::AlignTop )
geometry.moveTop( m_point.y() );
else if( m_alignment & Qt::AlignBottom )
geometry.moveTop( m_point.y() - geometry.height() );
else
geometry.moveTop( m_point.y() - geometry.height() / 2 );
setGeometry( geometry );
}
void EffectFrame::updateTexture()
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
delete m_texture;
if( m_style == Styled )
m_texture = new GLTexture( m_frame.framePixmap() );
#endif
}
void EffectFrame::updateTextTexture()
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
delete m_textTexture;
if( m_text.isEmpty() )
return;
// Determine position on texture to paint text
QRect rect( QPoint( 0, 0 ), m_geometry.size() );
if( !m_icon.isNull() && !m_iconSize.isEmpty() )
rect.setLeft( m_iconSize.width() );
// If static size elide text as required
QString text = m_text;
if( m_static )
{
QFontMetrics metrics( m_font );
text = metrics.elidedText( text, Qt::ElideRight, rect.width() );
}
QImage image( m_geometry.size(), QImage::Format_ARGB32 );
image.fill( Qt::transparent );
QPainter p( &image );
p.setFont( m_font );
if( m_style == Styled )
p.setPen( styledTextColor() );
else // TODO: What about no frame? Custom color setting required
p.setPen( Qt::white );
p.drawText( rect, m_alignment, text );
p.end();
m_textTexture = new GLTexture( image );
#endif
}
void EffectFrame::updatePicture()
{
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
delete m_picture;
if( m_style == Styled )
m_picture = new XRenderPicture( m_frame.framePixmap() );
#endif
}
void EffectFrame::updateTextPicture()
{ // Mostly copied from EffectFrame::updateTextTexture() above
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
delete m_textPicture;
if( m_text.isEmpty() )
return;
// Determine position on texture to paint text
QRect rect( QPoint( 0, 0 ), m_geometry.size() );
if( !m_icon.isNull() && !m_iconSize.isEmpty() )
rect.setLeft( m_iconSize.width() );
// If static size elide text as required
QString text = m_text;
if( m_static )
{
QFontMetrics metrics( m_font );
text = metrics.elidedText( text, Qt::ElideRight, rect.width() );
}
QPixmap pixmap( m_geometry.size() );
pixmap.fill( Qt::transparent );
QPainter p( &pixmap );
p.setFont( m_font );
if( m_style == Styled )
p.setPen( styledTextColor() );
else // TODO: What about no frame? Custom color setting required
p.setPen( Qt::white );
p.drawText( rect, m_alignment, text );
p.end();
m_textPicture = new XRenderPicture( pixmap );
#endif
}
void EffectFrame::updateUnstyledTexture()
{
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
delete m_unstyledTexture;
// Based off circle() from kwinxrenderutils.cpp
#define CS 8
QImage tmp( 2 * CS, 2 * CS, QImage::Format_ARGB32 );
tmp.fill( Qt::transparent );
QPainter p( &tmp );
p.setRenderHint( QPainter::Antialiasing );
p.setPen( Qt::NoPen );
p.setBrush( Qt::black );
p.drawEllipse( tmp.rect() );
p.end();
#undef CS
m_unstyledTexture = new GLTexture( tmp );
#endif
}
} // namespace