283 lines
8.8 KiB
C++
283 lines
8.8 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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// oxygenbutton.h
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// -------------------
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// Oxygen window decoration for KDE.
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// -------------------
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// Copyright (c) 2006, 2007 Riccardo Iaconelli <riccardo@kde.org>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//////////////////////////////////////////////////////////////////////////////
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#include <QPainter>
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#include "oxygen.h"
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#include "oxygenclient.h"
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#include <kconfiggroup.h>
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extern "C"
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{
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KDE_EXPORT KDecorationFactory* create_factory()
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{
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return new Oxygen::OxygenFactory();
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}
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}
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namespace Oxygen
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{
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//////////////////////////////////////////////////////////////////////////////
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// OxygenFactory Class //
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//////////////////////////////////////////////////////////////////////////////
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bool OxygenFactory::initialized_ = false;
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Qt::Alignment OxygenFactory::titleAlignment_ = Qt::AlignLeft;
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bool OxygenFactory::showStripes_ = true;
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//////////////////////////////////////////////////////////////////////////////
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// OxygenFactory()
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// ----------------
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// Constructor
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OxygenFactory::OxygenFactory()
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{
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readConfig();
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initialized_ = true;
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}
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//////////////////////////////////////////////////////////////////////////////
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// ~OxygenFactory()
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// -----------------
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// Destructor
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OxygenFactory::~OxygenFactory() { initialized_ = false; }
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//////////////////////////////////////////////////////////////////////////////
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// createDecoration()
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// -----------------
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// Create the decoration
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KDecoration* OxygenFactory::createDecoration(KDecorationBridge* b)
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{
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return (new OxygenClient(b, this))->decoration();
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}
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//////////////////////////////////////////////////////////////////////////////
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// reset()
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// -------
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// Reset the handler. Returns true if decorations need to be remade, false if
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// only a repaint is necessary
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bool OxygenFactory::reset(unsigned long changed)
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{
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// read in the configuration
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initialized_ = false;
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bool confchange = readConfig();
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initialized_ = true;
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if (confchange ||
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(changed & (SettingDecoration | SettingButtons | SettingBorder))) {
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return true;
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} else {
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resetDecorations(changed);
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return false;
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}
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}
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//////////////////////////////////////////////////////////////////////////////
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// readConfig()
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// ------------
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// Read in the configuration file
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bool OxygenFactory::readConfig()
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{
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// create a config object
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KConfig config("oxygenrc");
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KConfigGroup group = config.group("Windeco");
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// grab settings
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Qt::Alignment oldalign = titleAlignment_;
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QString value = group.readEntry("TitleAlignment", "Left");
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if (value == "Left")
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titleAlignment_ = Qt::AlignLeft;
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else if (value == "Center")
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titleAlignment_ = Qt::AlignHCenter;
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else if (value == "Right")
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titleAlignment_ = Qt::AlignRight;
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bool oldstripes = showStripes;
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showStripes_ = group.readEntry( "ShowStripes", true );
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if (oldalign == titleAlignment_ && oldstripes == showStripes_)
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return false;
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else
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return true;
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}
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bool OxygenFactory::supports( Ability ability ) const
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{
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switch( ability ) {
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// announce
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case AbilityAnnounceButtons:
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case AbilityAnnounceColors:
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// buttons
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case AbilityButtonMenu:
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case AbilityButtonHelp:
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case AbilityButtonMinimize:
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case AbilityButtonMaximize:
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case AbilityButtonClose:
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case AbilityButtonOnAllDesktops:
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case AbilityButtonAboveOthers:
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case AbilityButtonBelowOthers:
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case AbilityButtonSpacer:
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case AbilityButtonShade:
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// compositing
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case AbilityCompositingShadow: // TODO: UI option to use default shadows instead
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return true;
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// no colors supported at this time
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default:
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return false;
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};
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}
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//////////////////////////////////////////////////////////////////////////////
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// Shadows
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QList< QList<QImage> > OxygenFactory::shadowTextures()
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{
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// TODO: THIS IS ALL VERY UGLY! Not recommended to do it this way.
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// Copied from the shadow effect's XRender picture generator
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// TODO: You can add fake anti-aliasing here :)
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QList< QList<QImage> > textureLists;
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QList<QImage> textures;
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#define shadowFuzzyness 10
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#define shadowSize 10
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//---------------------------------------------------------------
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// Active shadow texture
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qreal size = 2 * ( shadowFuzzyness + shadowSize ) + 1;
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QPixmap *shadow = new QPixmap( size, size );
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shadow->fill( Qt::transparent );
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size /= 2.0;
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QRadialGradient rg( size, size, size );
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QColor c( 150, 234, 255, 255 );
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rg.setColorAt( 0, c );
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c.setAlpha( 0.3 * c.alpha() );
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if( shadowSize > 0 )
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rg.setColorAt( float( shadowSize ) / ( shadowFuzzyness + shadowSize ), c );
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c.setAlpha( 0 );
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rg.setColorAt( 0.8, c );
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QPainter p( shadow );
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p.setRenderHint( QPainter::Antialiasing );
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p.setPen( Qt::NoPen );
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p.setBrush( rg );
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p.drawRect( shadow->rect() );
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p.end();
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int w = shadow->width() / 2;
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int h = shadow->height() / 2;
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QPixmap dump;
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#define MAKE_TEX( _W_, _H_, _XOFF_, _YOFF_ ) \
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dump = QPixmap( _W_, _H_ ); \
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dump.fill( Qt::transparent ); \
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p.begin( &dump ); \
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p.drawPixmap( 0, 0, *shadow, _XOFF_, _YOFF_, _W_, _H_ ); \
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p.end(); \
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textures.append( dump.toImage() );
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MAKE_TEX( w, h, 0, h );
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MAKE_TEX( 1, h, w, h );
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MAKE_TEX( w, h, w, h );
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MAKE_TEX( w, 1, 0, h );
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//MAKE_TEX( 1, 1, w, h );
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MAKE_TEX( w, 1, w, h );
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MAKE_TEX( w, h, 0, 0 );
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MAKE_TEX( 1, h, w, 0 );
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MAKE_TEX( w, h, w, 0 );
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delete shadow;
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textureLists.append( textures );
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//---------------------------------------------------------------
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// Inactive shadow texture
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for( int i = 0; i < 8; i++ )
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{
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QPainter pi( &textures[i] );
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pi.fillRect( textures[i].rect(), QColor( 0, 0, 0, 255 ));
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pi.end();
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textures[i].setAlphaChannel( textureLists[0][i].alphaChannel() );
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}
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textureLists.append( textures );
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return textureLists;
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}
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int OxygenFactory::shadowTextureList( ShadowType type ) const
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{
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switch( type ) {
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case ShadowBorderedActive:
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case ShadowBorderlessActive:
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return 0;
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case ShadowBorderedInactive:
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case ShadowBorderlessInactive:
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case ShadowOther:
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return 1;
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}
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abort(); // Should never be reached
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}
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QList<QRect> OxygenFactory::shadowQuads( ShadowType type, QSize size ) const
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{
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#define shadowFuzzyness 15
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// These are slightly under the decoration so the corners look nicer
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QList<QRect> quads;
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quads.append( QRect( -shadowFuzzyness+5, -shadowFuzzyness+5, shadowFuzzyness, shadowFuzzyness ));
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quads.append( QRect( 0+5, -shadowFuzzyness+5, size.width()-10, shadowFuzzyness ));
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quads.append( QRect( size.width()-5, -shadowFuzzyness+5, shadowFuzzyness, shadowFuzzyness ));
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quads.append( QRect( -shadowFuzzyness+5, 0+5, shadowFuzzyness, size.height()-10 ));
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//quads.append( QRect( 0+5, 0+5, size.width()-10, size.height()-10 ));
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quads.append( QRect( size.width()-5, 0+5, shadowFuzzyness, size.height()-10 ));
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quads.append( QRect( -shadowFuzzyness+5, size.height()-5, shadowFuzzyness, shadowFuzzyness ));
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quads.append( QRect( 0+5, size.height()-5, size.width()-10, shadowFuzzyness ));
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quads.append( QRect( size.width()-5, size.height()-5, shadowFuzzyness, shadowFuzzyness ));
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return quads;
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}
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double OxygenFactory::shadowOpacity( ShadowType type, double dataOpacity ) const
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{
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switch( type ) {
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case ShadowBorderlessActive:
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return dataOpacity;
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case ShadowBorderlessInactive:
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case ShadowOther:
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return dataOpacity * 0.25;
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}
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abort(); // Should never be reached
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}
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} //namespace Oxygen
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