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Diffstat (limited to 'tdecore/krootprop.cpp')
| -rw-r--r-- | tdecore/krootprop.cpp | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/tdecore/krootprop.cpp b/tdecore/krootprop.cpp new file mode 100644 index 000000000..031e27abf --- /dev/null +++ b/tdecore/krootprop.cpp @@ -0,0 +1,303 @@ +/* This file is part of the KDE libraries + Copyright (C) 1997 Mark Donohoe (donohoe@kde.org) + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include <tqwidget.h> + +#include "config.h" +#ifdef Q_WS_X11 // not needed anyway :-) + +#include "krootprop.h" +#include "kglobal.h" +#include "klocale.h" +#include "kcharsets.h" +#include "kapplication.h" +#include <tqtextstream.h> + +#include <X11/Xlib.h> +#include <X11/Xatom.h> + +KRootProp::KRootProp(const TQString& rProp ) +{ + atom = 0; + dirty = false; + setProp( rProp ); +} + +KRootProp::~KRootProp() +{ + sync(); + propDict.clear(); +} + +void KRootProp::sync() +{ + if ( !dirty ) + return; + + TQString propString; + if ( !propDict.isEmpty() ) + { + TQMap<TQString,TQString>::Iterator it = propDict.begin(); + TQString keyvalue; + + while ( it != propDict.end() ) + { + keyvalue = TQString( "%1=%2\n").arg(it.key()).arg(it.data()); + propString += keyvalue; + ++it; + } + } + + XChangeProperty( qt_xdisplay(), qt_xrootwin(), atom, + XA_STRING, 8, PropModeReplace, + (const unsigned char *)propString.utf8().data(), + propString.length()); + XFlush( qt_xdisplay() ); +} + +void KRootProp::setProp( const TQString& rProp ) +{ + Atom type; + int format; + unsigned long nitems; + unsigned long bytes_after; + long offset; + + // If a property has already been opened write + // the dictionary back to the root window + + if( atom ) + sync(); + + property_ = rProp; + if( rProp.isEmpty() ) + return; + + atom = XInternAtom( qt_xdisplay(), rProp.utf8(), False); + + TQString s; + offset = 0; bytes_after = 1; + while (bytes_after != 0) + { + unsigned char *buf = 0; + if (XGetWindowProperty( qt_xdisplay(), qt_xrootwin(), atom, offset, 256, + False, XA_STRING, &type, &format, &nitems, &bytes_after, + &buf) == Success && buf) + { + s += TQString::fromUtf8((const char*)buf); + offset += nitems/4; + XFree(buf); + } + } + + // Parse through the property string stripping out key value pairs + // and putting them in the dictionary + + TQString keypair; + int i=0; + TQString key; + TQString value; + + while(s.length() >0 ) + { + // parse the string for first key-value pair separator '\n' + + i = s.find("\n"); + if(i == -1) + i = s.length(); + + // extract the key-values pair and remove from string + + keypair = s.left(i); + s.remove(0,i+1); + + // split key and value and add to dictionary + + keypair.simplifyWhiteSpace(); + + i = keypair.find( "=" ); + if( i != -1 ) + { + key = keypair.left( i ); + value = keypair.mid( i+1 ); + propDict.insert( key, value ); + } + } +} + + +TQString KRootProp::prop() const +{ + return property_; +} + +void KRootProp::destroy() +{ + dirty = false; + propDict.clear(); + if( atom ) { + XDeleteProperty( qt_xdisplay(), qt_xrootwin(), atom ); + atom = 0; + } +} + +TQString KRootProp::readEntry( const TQString& rKey, + const TQString& pDefault ) const +{ + if( propDict.contains( rKey ) ) + return propDict[ rKey ]; + else + return pDefault; +} + +int KRootProp::readNumEntry( const TQString& rKey, int nDefault ) const +{ + + TQString aValue = readEntry( rKey ); + if( !aValue.isNull() ) + { + bool ok; + + int rc = aValue.toInt( &ok ); + if (ok) + return rc; + } + return nDefault; +} + + +TQFont KRootProp::readFontEntry( const TQString& rKey, + const TQFont* pDefault ) const +{ + TQFont aRetFont; + TQFont aDefFont; + + if (pDefault) + aDefFont = *pDefault; + + TQString aValue = readEntry( rKey ); + if( aValue.isNull() ) + return aDefFont; // Return default font + + if ( !aRetFont.fromString( aValue ) && pDefault ) + aRetFont = aDefFont; + + return aRetFont; +} + + +TQColor KRootProp::readColorEntry( const TQString& rKey, + const TQColor* pDefault ) const +{ + TQColor aRetColor; + int nRed = 0, nGreen = 0, nBlue = 0; + + if( pDefault ) + aRetColor = *pDefault; + + TQString aValue = readEntry( rKey ); + if( aValue.isNull() ) + return aRetColor; + + // Support #ffffff style color naming. + // Help ease transistion from legacy KDE setups + if( aValue.find("#") == 0 ) { + aRetColor.setNamedColor( aValue ); + return aRetColor; + } + + // Parse "red,green,blue" + // find first comma + int nIndex1 = aValue.find( ',' ); + if( nIndex1 == -1 ) + return aRetColor; + // find second comma + int nIndex2 = aValue.find( ',', nIndex1+1 ); + if( nIndex2 == -1 ) + return aRetColor; + + bool bOK; + nRed = aValue.left( nIndex1 ).toInt( &bOK ); + nGreen = aValue.mid( nIndex1+1, + nIndex2-nIndex1-1 ).toInt( &bOK ); + nBlue = aValue.mid( nIndex2+1 ).toInt( &bOK ); + + aRetColor.setRgb( nRed, nGreen, nBlue ); + + return aRetColor; +} + +TQString KRootProp::writeEntry( const TQString& rKey, const TQString& rValue ) +{ + dirty = true; + if ( propDict.contains( rKey ) ) { + TQString aValue = propDict[ rKey ]; + propDict.replace( rKey, rValue ); + return aValue; + } + else { + propDict.insert( rKey, rValue ); + return TQString::null; + } +} + +TQString KRootProp::writeEntry( const TQString& rKey, int nValue ) +{ + TQString aValue; + + aValue.setNum( nValue ); + + return writeEntry( rKey, aValue ); +} + +TQString KRootProp::writeEntry( const TQString& rKey, const TQFont& rFont ) +{ + return writeEntry( rKey, TQString(rFont.toString()) ); +} + +TQString KRootProp::writeEntry( const TQString& rKey, const TQColor& rColor ) +{ + TQString aValue = TQString( "%1,%2,%3").arg(rColor.red()).arg(rColor.green()).arg(rColor.blue() ); + + return writeEntry( rKey, aValue ); +} + +TQString KRootProp::removeEntry(const TQString& rKey) +{ + if (propDict.contains(rKey)) { + dirty = true; + TQString aValue = propDict[rKey]; + propDict.remove(rKey); + return aValue; + } else + return TQString::null; +} + +TQStringList KRootProp::listEntries() const +{ + TQMap<TQString,TQString>::ConstIterator it; + TQStringList list; + + TQMap<TQString,TQString>::ConstIterator end(propDict.end()); + for (it=propDict.begin(); it!=end; ++it) + list += it.key(); + + return list; +} +#endif |