TDE base libraries and programs
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/* vi: ts=8 sts=4 sw=4
* kate: space-indent on; indent-width 4; indent-mode cstyle;
*
* This file is part of the KDE project, module kdesktop.
* Copyright (C) 1999 Geert Jansen <g.t.jansen@stud.tue.nl>
*
* You can Freely distribute this program under the GNU Library General
* Public License. See the file "COPYING.LIB" for the exact licensing terms.
*/
#include <netwm.h>
#include <time.h>
#include <stdlib.h>
#include <unistd.h>
// Clean up after X.h/Xlib.h
#undef Bool
#undef Unsorted
#include <tqdir.h>
#include <tqpixmap.h>
#include <dcopclient.h>
#include <tdeapplication.h>
#include <kdebug.h>
#include <tdeglobalsettings.h>
#include <ksimpleconfig.h>
#include <kstandarddirs.h>
#include <krandomsequence.h>
#include <konq_defaults.h>
#include "bgdefaults.h"
#include "bghash.h"
#include "bgsettings.h"
/**** KBackgroundPattern ****/
KBackgroundPattern::KBackgroundPattern(TQString name)
{
dirty = false;
hashdirty = true;
m_pDirs = TDEGlobal::dirs();
m_pDirs->addResourceType("dtop_pattern", m_pDirs->kde_default("data") +
"kdesktop/patterns");
m_pConfig = 0L;
m_Name = name;
if (m_Name.isEmpty())
return;
init();
readSettings();
}
KBackgroundPattern::~KBackgroundPattern()
{
delete m_pConfig;
}
void KBackgroundPattern::copyConfig(const KBackgroundPattern *settings)
{
dirty = hashdirty = true;
m_Name = settings->m_Name;
m_Comment = settings->m_Comment;
m_Pattern = settings->m_Pattern;
m_File = settings->m_File;
}
void KBackgroundPattern::load(TQString name)
{
m_Name = name;
init();
readSettings();
}
void KBackgroundPattern::init(bool force_rw)
{
delete m_pConfig;
m_File = m_pDirs->findResource("dtop_pattern", m_Name + ".desktop");
if (force_rw || m_File.isEmpty()) {
m_File = m_pDirs->saveLocation("dtop_pattern") + m_Name + ".desktop";
m_pConfig = new KSimpleConfig(m_File);
} else
m_pConfig = new KSimpleConfig(m_File);
m_pConfig->setGroup("KDE Desktop Pattern");
TQFileInfo fi(m_File);
m_bReadOnly = !fi.isWritable();
}
void KBackgroundPattern::setComment(const TQString &comment)
{
if (m_Comment == comment)
return;
dirty = true;
m_Comment = comment;
}
void KBackgroundPattern::setPattern(TQString pattern)
{
if (m_Pattern == pattern)
return;
dirty = hashdirty = true;
m_Pattern = pattern;
}
void KBackgroundPattern::readSettings()
{
dirty = false;
hashdirty = true;
m_Pattern = m_pConfig->readPathEntry("File");
m_Comment = m_pConfig->readEntry("Comment");
if (m_Comment.isEmpty())
m_Comment = m_File.mid(m_File.findRev('/')+1);
}
void KBackgroundPattern::writeSettings()
{
if (!dirty)
return;
if (m_bReadOnly)
init(true);
if ( !m_pConfig )
return; // better safe than sorry
m_pConfig->writePathEntry("File", m_Pattern);
m_pConfig->writeEntry("Comment", m_Comment);
m_pConfig->sync();
dirty = false;
}
bool KBackgroundPattern::isAvailable()
{
if (m_Pattern.isEmpty())
return false;
TQString file = m_Pattern;
if (file.at(0) != '/')
file = m_pDirs->findResource("dtop_pattern", file);
TQFileInfo fi(file);
return (fi.exists());
}
bool KBackgroundPattern::remove()
{
if (m_bReadOnly)
return false;
return !unlink(TQFile::encodeName(m_File));
}
TQString KBackgroundPattern::fingerprint()
{
return m_File;
}
int KBackgroundPattern::hash()
{
if (hashdirty) {
m_Hash = TQHash(fingerprint());
hashdirty = false;
}
return m_Hash;
}
/* static */
TQStringList KBackgroundPattern::list()
{
TDEStandardDirs *dirs = TDEGlobal::dirs();
dirs->addResourceType("dtop_pattern", dirs->kde_default("data") +
"kdesktop/patterns");
TQStringList lst = dirs->findAllResources("dtop_pattern", "*.desktop",
false, true);
TQStringList::Iterator it;
for (it=lst.begin(); it!=lst.end(); ++it) {
// Strip path and suffix
int pos = (*it).findRev('/');
if (pos != -1)
(*it) = (*it).mid(pos+1);
pos = (*it).findRev('.');
if (pos != -1)
(*it) = (*it).left(pos);
}
return lst;
}
/**** KBackgroundProgram ****/
KBackgroundProgram::KBackgroundProgram(TQString name)
{
dirty = false;
hashdirty = true;
m_pDirs = TDEGlobal::dirs();
m_pDirs->addResourceType("dtop_program", m_pDirs->kde_default("data") +
"kdesktop/programs");
m_pConfig = 0L;
// prevent updates when just constructed.
m_LastChange = (int) time(0L);
m_Name = name;
if (m_Name.isEmpty())
return;
init();
readSettings();
}
KBackgroundProgram::~KBackgroundProgram()
{
delete m_pConfig;
}
void KBackgroundProgram::copyConfig(const KBackgroundProgram *settings)
{
dirty = hashdirty = true;
m_Refresh = settings->m_Refresh;
m_LastChange = settings->m_LastChange;
m_Name = settings->m_Name;
m_Command = settings->m_Command;
m_PreviewCommand = settings->m_PreviewCommand;
m_Comment = settings->m_Comment;
m_Executable = settings->m_Executable;
m_File = settings->m_File;
}
void KBackgroundProgram::init(bool force_rw)
{
delete m_pConfig;
m_File = m_pDirs->findResource("dtop_program", m_Name + ".desktop");
if (force_rw || m_File.isEmpty()) {
m_File = m_pDirs->saveLocation("dtop_program") + m_Name + ".desktop";
m_pConfig = new KSimpleConfig(m_File);
m_bReadOnly = false;
} else {
m_pConfig = new KSimpleConfig(m_File);
m_bReadOnly = (m_File != locateLocal("dtop_program", m_Name + ".desktop"));
}
m_pConfig->setGroup("KDE Desktop Program");
}
void KBackgroundProgram::load(const TQString &name)
{
m_Name = name;
init();
readSettings();
}
void KBackgroundProgram::setComment(const TQString &comment)
{
if (m_Comment == comment)
return;
dirty = true;
m_Comment = comment;
}
void KBackgroundProgram::setExecutable(const TQString &executable)
{
if (m_Executable == executable)
return;
dirty = true;
m_Executable = executable;
}
void KBackgroundProgram::setCommand(const TQString &command)
{
if (m_Command == command)
return;
dirty = hashdirty = true;
m_Command = command;
}
void KBackgroundProgram::setPreviewCommand(const TQString &command)
{
if (m_PreviewCommand == command)
return;
dirty = true;
m_PreviewCommand = command;
}
void KBackgroundProgram::setRefresh(int refresh)
{
if (m_Refresh == refresh)
return;
dirty = hashdirty = true;
m_Refresh = refresh;
}
void KBackgroundProgram::readSettings()
{
dirty = false;
hashdirty = true;
m_Comment = m_pConfig->readEntry("Comment");
m_Executable = m_pConfig->readPathEntry("Executable");
m_Command = m_pConfig->readPathEntry("Command");
m_PreviewCommand = m_pConfig->readPathEntry("PreviewCommand", m_Command);
m_Refresh = m_pConfig->readNumEntry("Refresh", 300);
}
void KBackgroundProgram::writeSettings()
{
if (!dirty)
return;
if (m_bReadOnly)
init(true);
if ( !m_pConfig )
return; // better safe than sorry
m_pConfig->writeEntry("Comment", m_Comment);
m_pConfig->writePathEntry("Executable", m_Executable);
m_pConfig->writePathEntry("Command", m_Command);
m_pConfig->writeEntry("PreviewCommand", m_PreviewCommand);
m_pConfig->writeEntry("Refresh", m_Refresh);
m_pConfig->sync();
dirty = false;
}
bool KBackgroundProgram::isAvailable()
{
return !m_pDirs->findExe(m_Executable).isEmpty();
}
bool KBackgroundProgram::remove()
{
if (m_bReadOnly)
return false;
return !unlink(TQFile::encodeName(m_File));
}
bool KBackgroundProgram::needUpdate()
{
return (m_LastChange + 60*m_Refresh <= time(0L));
}
void KBackgroundProgram::update()
{
m_LastChange = (int) time(0L);
}
TQString KBackgroundProgram::fingerprint()
{
return TQString("co:%1;re:%2").arg(m_Command).arg(m_Refresh);
}
int KBackgroundProgram::hash()
{
if (hashdirty) {
m_Hash = TQHash(fingerprint());
hashdirty = false;
}
return m_Hash;
}
/* static */
TQStringList KBackgroundProgram::list()
{
TDEStandardDirs *dirs = TDEGlobal::dirs();
dirs->addResourceType("dtop_program", dirs->kde_default("data") +
"kdesktop/programs");
TQStringList lst = dirs->findAllResources("dtop_program", "*.desktop",
false, true);
TQStringList::Iterator it;
for (it=lst.begin(); it!=lst.end(); ++it) {
// Strip path and suffix
int pos = (*it).findRev('/');
if (pos != -1)
(*it) = (*it).mid(pos+1);
pos = (*it).findRev('.');
if (pos != -1)
(*it) = (*it).left(pos);
}
return lst;
}
/**** KBackgroundSettings ****/
KBackgroundSettings::KBackgroundSettings(int desk, int screen, bool drawBackgroundPerScreen, TDEConfig *config)
: KBackgroundPattern(),
KBackgroundProgram()
{
dirty = false; hashdirty = true;
m_bDrawBackgroundPerScreen = drawBackgroundPerScreen;
m_Desk = desk;
m_Screen = screen;
m_bEnabled = true;
// Default values.
defColorA = _defColorA;
defColorB = _defColorB;
if (TQPixmap::defaultDepth() > 8)
defBackgroundMode = _defBackgroundMode;
else
defBackgroundMode = Flat;
defWallpaperMode = _defWallpaperMode;
defMultiMode = _defMultiMode;
defBlendMode = _defBlendMode;
defBlendBalance = _defBlendBalance;
defReverseBlending = _defReverseBlending;
defCrossFadeBg = _defCrossFadeBg;
m_MinOptimizationDepth = _defMinOptimizationDepth;
m_bShm = _defShm;
// Background modes
#define ADD_STRING(ID) m_BMMap[#ID] = ID; m_BMRevMap[ID] = (char *) #ID;
ADD_STRING(Flat)
ADD_STRING(Pattern)
ADD_STRING(Program)
ADD_STRING(HorizontalGradient)
ADD_STRING(VerticalGradient)
ADD_STRING(PyramidGradient)
ADD_STRING(PipeCrossGradient)
ADD_STRING(EllipticGradient)
#undef ADD_STRING
// Blend modes
#define ADD_STRING(ID) m_BlMMap[#ID] = ID; m_BlMRevMap[ID] = (char *) #ID;
ADD_STRING(NoBlending)
ADD_STRING(FlatBlending)
ADD_STRING(HorizontalBlending)
ADD_STRING(VerticalBlending)
ADD_STRING(PyramidBlending)
ADD_STRING(PipeCrossBlending)
ADD_STRING(EllipticBlending)
ADD_STRING(IntensityBlending)
ADD_STRING(SaturateBlending)
ADD_STRING(ContrastBlending)
ADD_STRING(HueShiftBlending)
#undef ADD_STRING
// Wallpaper modes
#define ADD_STRING(ID) m_WMMap[#ID] = ID; m_WMRevMap[ID] = (char *) #ID;
ADD_STRING(NoWallpaper)
ADD_STRING(Centred)
ADD_STRING(Tiled)
ADD_STRING(CenterTiled)
ADD_STRING(CentredMaxpect)
ADD_STRING(TiledMaxpect)
ADD_STRING(Scaled)
ADD_STRING(CentredAutoFit)
ADD_STRING(ScaleAndCrop)
#undef ADD_STRING
// Multiple wallpaper modes
#define ADD_STRING(ID) m_MMMap[#ID] = ID; m_MMRevMap[ID] = (char *) #ID;
ADD_STRING(NoMulti)
ADD_STRING(InOrder)
ADD_STRING(Random)
ADD_STRING(NoMultiRandom)
#undef ADD_STRING
m_pDirs = TDEGlobal::dirs();
if (!config) {
int screen_number = 0;
if (tqt_xdisplay())
screen_number = DefaultScreen(tqt_xdisplay());
TQCString configname;
if (screen_number == 0)
configname = "kdesktoprc";
else
configname.sprintf("kdesktop-screen-%drc", screen_number);
m_pConfig = new TDEConfig(configname, false, false);
m_bDeleteConfig = true;
} else {
m_pConfig = config;
m_bDeleteConfig = false;
}
if (m_Desk == -1)
return;
readSettings();
}
KBackgroundSettings::~KBackgroundSettings()
{
if (m_bDeleteConfig)
delete m_pConfig;
}
void KBackgroundSettings::copyConfig(const KBackgroundSettings *settings)
{
dirty = true;
hashdirty = true;
m_ColorA = settings->m_ColorA;
m_ColorB = settings->m_ColorB;
m_Wallpaper = settings->m_Wallpaper;
m_WallpaperList = settings->m_WallpaperList;
m_WallpaperFiles = settings->m_WallpaperFiles;
m_BackgroundMode = settings->m_BackgroundMode;
m_WallpaperMode = settings->m_WallpaperMode;
m_BlendMode = settings->m_BlendMode;
m_BlendBalance = settings->m_BlendBalance;
m_ReverseBlending = settings->m_ReverseBlending;
m_CrossFadeBg = settings->m_CrossFadeBg;
m_MinOptimizationDepth = settings->m_MinOptimizationDepth;
m_bShm = settings->m_bShm;
m_MultiMode = settings->m_MultiMode;
m_Interval = settings->m_Interval;
m_CurrentWallpaper = settings->m_CurrentWallpaper;
m_CurrentWallpaperName = settings->m_CurrentWallpaperName;
KBackgroundPattern::copyConfig(settings);
KBackgroundProgram::copyConfig(settings);
}
void KBackgroundSettings::load(int desk, int screen, bool drawBackgroundPerScreen, bool reparseConfig)
{
m_Desk = desk;
m_Screen = screen;
m_bDrawBackgroundPerScreen = drawBackgroundPerScreen;
readSettings(reparseConfig);
}
void KBackgroundSettings::setColorA(const TQColor& color)
{
if (m_ColorA == color)
return;
dirty = hashdirty = true;
m_ColorA = color;
}
void KBackgroundSettings::setColorB(const TQColor& color)
{
if (m_ColorB == color)
return;
dirty = hashdirty = true;
m_ColorB = color;
}
void KBackgroundSettings::setPatternName(TQString name)
{
int ohash = KBackgroundPattern::hash();
KBackgroundPattern::load(name);
if (ohash == KBackgroundPattern::hash())
return;
dirty = hashdirty = true;
return;
}
void KBackgroundSettings::setProgram(TQString name)
{
int ohash = KBackgroundProgram::hash();
KBackgroundProgram::load(name);
if (ohash == KBackgroundProgram::hash())
return;
dirty = hashdirty = true;
return;
}
void KBackgroundSettings::setBackgroundMode(int mode)
{
if (m_BackgroundMode == mode)
return;
dirty = hashdirty = true;
m_BackgroundMode = mode;
}
void KBackgroundSettings::setBlendMode(int mode)
{
if (m_BlendMode == mode)
return;
dirty = hashdirty = true;
m_BlendMode = mode;
}
void KBackgroundSettings::setBlendBalance(int value)
{
if (m_BlendBalance == value)
return;
dirty = hashdirty = true;
m_BlendBalance = value;
}
void KBackgroundSettings::setReverseBlending(bool value)
{
if (m_ReverseBlending == value)
return;
dirty = hashdirty = true;
m_ReverseBlending = value;
}
void KBackgroundSettings::setCrossFadeBg(bool value)
{
if (m_CrossFadeBg == value)
return;
dirty = hashdirty = true;
m_CrossFadeBg = value;
}
void KBackgroundSettings::setWallpaper(TQString wallpaper)
{
dirty = hashdirty = true;
m_Wallpaper = wallpaper;
}
void KBackgroundSettings::setWallpaperMode(int mode)
{
if (m_WallpaperMode == mode)
return;
dirty = hashdirty = true;
m_WallpaperMode = mode;
}
void KBackgroundSettings::setWallpaperList(TQStringList list)
{
TDEStandardDirs *d = TDEGlobal::dirs();
if (m_WallpaperList == list)
return;
dirty = hashdirty = true;
m_WallpaperList.clear();
for(TQStringList::ConstIterator it = list.begin();
it != list.end(); ++it)
{
TQString rpath = d->relativeLocation("wallpaper", *it);
m_WallpaperList.append( !rpath.isEmpty() ? rpath : *it );
}
updateWallpaperFiles();
// Try to keep the current wallpaper (-1 to set position to one before it)
m_CurrentWallpaper = m_WallpaperFiles.findIndex(m_CurrentWallpaperName) - 1;
changeWallpaper(m_CurrentWallpaper < 0);
}
void KBackgroundSettings::setWallpaperChangeInterval(int interval)
{
if (m_Interval == interval)
return;
dirty = hashdirty = true;
m_Interval = interval;
}
void KBackgroundSettings::setMultiWallpaperMode(int mode)
{
if (m_MultiMode == mode)
return;
dirty = hashdirty = true;
m_MultiMode = mode;
changeWallpaper(true);
}
void KBackgroundSettings::setMinOptimizationDepth(int mode)
{
if (m_MinOptimizationDepth == mode)
return;
dirty = hashdirty = true;
m_MinOptimizationDepth = mode;
}
bool KBackgroundSettings::optimize() const
{
switch( m_MinOptimizationDepth )
{
case AlwaysOpt :
return true;
case Opt16bpp :
return TQPixmap::defaultDepth() >= 16;
case Opt15bpp :
return TQPixmap::defaultDepth() >= 15;
case NeverOpt :
default :
return false;
}
}
void KBackgroundSettings::setUseShm(bool use)
{
if (m_bShm == use)
return;
dirty = hashdirty = true;
m_bShm = use;
}
TQString KBackgroundSettings::configGroupName() const
{
TQString screenName;
if (m_bDrawBackgroundPerScreen)
screenName = TQString("Screen%1").arg(TQString::number(m_Screen));
return TQString("Desktop%1%2").arg(m_Desk).arg(screenName);
}
void KBackgroundSettings::readSettings(bool reparse)
{
if (reparse)
m_pConfig->reparseConfiguration();
m_pConfig->setGroup(configGroupName());
// Background mode (Flat, div. Gradients, Pattern or Program)
m_ColorA = m_pConfig->readColorEntry("Color1", &defColorA);
m_ColorB = m_pConfig->readColorEntry("Color2", &defColorB);
TQString s = m_pConfig->readPathEntry("Pattern");
if (!s.isEmpty())
KBackgroundPattern::load(s);
s = m_pConfig->readPathEntry("Program");
if (!s.isEmpty())
KBackgroundProgram::load(s);
m_BackgroundMode = defBackgroundMode;
s = m_pConfig->readEntry("BackgroundMode", "invalid");
if (m_BMMap.contains(s)) {
int mode = m_BMMap[s];
// consistency check
if ( ((mode != Pattern) && (mode != Program)) ||
((mode == Pattern) && !pattern().isEmpty()) ||
((mode == Program) && !command().isEmpty())
)
m_BackgroundMode = mode;
}
m_BlendMode = defBlendMode;
s = m_pConfig->readEntry("BlendMode", "invalid");
if (m_BlMMap.contains(s)) {
m_BlendMode = m_BlMMap[s];
}
m_BlendBalance = defBlendBalance;
int value = m_pConfig->readNumEntry( "BlendBalance", defBlendBalance);
if (value > -201 && value < 201)
m_BlendBalance = value;
m_ReverseBlending = m_pConfig->readBoolEntry( "ReverseBlending", defReverseBlending);
m_CrossFadeBg = m_pConfig->readBoolEntry( "CrossFadeBg", defCrossFadeBg);
// Multiple wallpaper config
m_WallpaperList = m_pConfig->readPathListEntry("WallpaperList");
m_Interval = m_pConfig->readNumEntry("ChangeInterval", 60);
m_LastChange = m_pConfig->readNumEntry("LastChange", 0);
m_CurrentWallpaper = m_pConfig->readNumEntry("CurrentWallpaper", 0);
m_CurrentWallpaperName = m_pConfig->readEntry("CurrentWallpaperName");
m_MultiMode = defMultiMode;
s = m_pConfig->readEntry("MultiWallpaperMode");
if (m_MMMap.contains(s)) {
int mode = m_MMMap[s];
m_MultiMode = mode;
}
updateWallpaperFiles();
if( !m_CurrentWallpaperName.isEmpty())
m_CurrentWallpaper = m_WallpaperFiles.findIndex(m_CurrentWallpaperName);
if(m_CurrentWallpaper < 0)
m_CurrentWallpaper = 0;
// Wallpaper mode (NoWallpaper, div. tilings)
m_WallpaperMode = defWallpaperMode;
m_Wallpaper = m_pConfig->readPathEntry("Wallpaper");
s = m_pConfig->readEntry("WallpaperMode", "invalid");
if (m_WMMap.contains(s)) {
int mode = m_WMMap[s];
// consistency check.
if ((mode == NoWallpaper) || !m_Wallpaper.isEmpty() || (m_MultiMode == InOrder || m_MultiMode == Random))
m_WallpaperMode = mode;
}
m_MinOptimizationDepth = m_pConfig->readNumEntry( "MinOptimizationDepth",
_defMinOptimizationDepth );
m_bShm = m_pConfig->readBoolEntry( "UseSHM", _defShm );
dirty = reparse; hashdirty = true;
}
void KBackgroundSettings::writeSettings()
{
KBackgroundPattern::writeSettings();
KBackgroundProgram::writeSettings();
if (!dirty)
return;
m_pConfig->setGroup(configGroupName());
m_pConfig->writeEntry("Color1", m_ColorA);
m_pConfig->writeEntry("Color2", m_ColorB);
m_pConfig->writePathEntry("Pattern", KBackgroundPattern::name());
m_pConfig->writeEntry("Program", KBackgroundProgram::name());
m_pConfig->writeEntry("BackgroundMode", m_BMRevMap[m_BackgroundMode]);
m_pConfig->writePathEntry("Wallpaper", m_Wallpaper);
m_pConfig->writeEntry("WallpaperMode", m_WMRevMap[m_WallpaperMode]);
m_pConfig->writeEntry("MultiWallpaperMode", m_MMRevMap[m_MultiMode]);
m_pConfig->writeEntry("BlendMode", m_BlMRevMap[m_BlendMode]);
m_pConfig->writeEntry("BlendBalance", m_BlendBalance);
m_pConfig->writeEntry("ReverseBlending", m_ReverseBlending);
m_pConfig->writeEntry("CrossFadeBg", m_CrossFadeBg);
m_pConfig->writeEntry("MinOptimizationDepth", m_MinOptimizationDepth);
m_pConfig->writeEntry("UseSHM", m_bShm);
m_pConfig->writePathEntry("WallpaperList", m_WallpaperList);
m_pConfig->writeEntry("ChangeInterval", m_Interval);
m_pConfig->writeEntry("LastChange", m_LastChange);
m_pConfig->deleteEntry("CurrentWallpaper"); // obsolete, remember name
m_pConfig->writeEntry("CurrentWallpaperName", m_CurrentWallpaperName);
m_pConfig->sync();
dirty = false;
}
/*
* (re)Build m_WallpaperFiles from m_WallpaperList
*/
void KBackgroundSettings::updateWallpaperFiles()
{
TQStringList::Iterator it;
m_WallpaperFiles.clear();
for (it=m_WallpaperList.begin(); it!=m_WallpaperList.end(); ++it) {
TQString file = locate("wallpaper", *it);
if (file.isEmpty())
continue;
TQFileInfo fi(file);
if (!fi.exists())
continue;
if (fi.isFile() && fi.isReadable())
m_WallpaperFiles.append(file);
if (fi.isDir()) {
TQDir dir(file);
TQStringList lst = dir.entryList(TQDir::Files | TQDir::Readable);
TQStringList::Iterator it;
for (it=lst.begin(); it!=lst.end(); ++it)
{
file = dir.absFilePath(*it);
TQFileInfo fi(file);
if (fi.isFile() && fi.isReadable())
m_WallpaperFiles.append(file);
}
}
}
if (m_MultiMode == Random)
randomizeWallpaperFiles();
}
// Randomize the m_WallpaperFiles in a non-repeating method.
void KBackgroundSettings::randomizeWallpaperFiles()
{
if (m_WallpaperFiles.count() < 4)
return;
KRandomSequence rseq;
TQStringList tmpList = m_WallpaperFiles;
TQStringList randomList;
randomList.append(tmpList.front());
tmpList.pop_front();
while(tmpList.count())
{
randomList.insert(randomList.at(
rseq.getLong(randomList.count()+1)),
1, tmpList.front());
tmpList.pop_front();
}
m_WallpaperFiles = randomList;
}
TQStringList KBackgroundSettings::wallpaperList() const
{
if ( m_WallpaperMode == NoWallpaper )
return TQStringList();
if ( m_MultiMode == NoMulti || m_MultiMode == NoMultiRandom )
return TQStringList(m_Wallpaper);
return m_WallpaperList;
}
TQStringList KBackgroundSettings::wallpaperFiles() const
{
if ( m_WallpaperMode == NoWallpaper )
return TQStringList();
if ( m_MultiMode == NoMulti || m_MultiMode == NoMultiRandom )
return TQStringList(m_Wallpaper);
return m_WallpaperFiles;
}
/*
* Select a new wallpaper from the list.
*/
void KBackgroundSettings::changeWallpaper(bool init)
{
if (m_WallpaperFiles.count() == 0) {
if( init ) {
m_CurrentWallpaper = 0;
m_CurrentWallpaperName = TQString();
}
return;
}
switch (m_MultiMode) {
case InOrder:
m_CurrentWallpaper++;
if (init || (m_CurrentWallpaper >= (int) m_WallpaperFiles.count()))
m_CurrentWallpaper = 0;
break;
case Random:
// Random: m_WallpaperFiles is randomized in a non-repeating
// method. Hence we just increment the index.
m_CurrentWallpaper++;
if (init || (m_CurrentWallpaper >= (int) m_WallpaperFiles.count())) {
m_CurrentWallpaper = 0;
randomizeWallpaperFiles(); // Get a new random-ordered list.
}
break;
default:
break;
}
m_CurrentWallpaperName = m_WallpaperFiles[ m_CurrentWallpaper ];
m_LastChange = (int) time(0L);
m_pConfig->setGroup(configGroupName());
m_pConfig->deleteEntry("CurrentWallpaper"); // obsolete, remember name
m_pConfig->writeEntry("CurrentWallpaperName", m_CurrentWallpaperName);
m_pConfig->writeEntry("LastChange", m_LastChange);
m_pConfig->sync();
hashdirty = true;
}
TQString KBackgroundSettings::currentWallpaper() const
{
if ( m_WallpaperMode == NoWallpaper )
return TQString::null;
if (m_MultiMode == NoMulti || m_MultiMode == NoMultiRandom)
return m_Wallpaper;
if (m_CurrentWallpaper >= 0 && m_CurrentWallpaper < (int) m_WallpaperFiles.count())
return m_WallpaperFiles[m_CurrentWallpaper];
return TQString::null;
}
bool KBackgroundSettings::discardCurrentWallpaper()
{
if (m_MultiMode == NoMulti || m_MultiMode == NoMultiRandom)
{
return false;
}
m_WallpaperFiles.remove(m_WallpaperFiles.at(m_CurrentWallpaper));
--m_CurrentWallpaper;
changeWallpaper();
return true;
}
bool KBackgroundSettings::needWallpaperChange()
{
if (m_MultiMode == NoMulti || m_MultiMode == NoMultiRandom)
return false;
return ((m_LastChange + 60*m_Interval) <= time(0L));
}
/*
* Create a fingerprint string for this config. Be somewhat (overly) carefull
* that only a different final result will give a different fingerprint.
*/
TQString KBackgroundSettings::fingerprint()
{
TQString s = TQString("bm:%1;en:%2").arg(m_BackgroundMode).arg(m_bEnabled);
switch (m_BackgroundMode) {
case Flat:
s += TQString("ca:%1;").arg(m_ColorA.rgb());
break;
case Program:
s += TQString("pr:%1;").arg(KBackgroundProgram::hash());
break;
case Pattern:
s += TQString("ca:%1;cb:%2;pt:%3;").arg(m_ColorA.rgb())
.arg(m_ColorB.rgb()).arg(KBackgroundPattern::hash());
break;
default:
s += TQString("ca:%1;cb:%2;").arg(m_ColorA.rgb()).arg(m_ColorB.rgb());
break;
}
s += TQString("wm:%1;").arg(m_WallpaperMode);
if (m_WallpaperMode != NoWallpaper)
{
TQ_UINT32 rh = TDEGlobal::dirs()->calcResourceHash("wallpaper", currentWallpaper(), false);
s += TQString("wp:%2:%1;").arg(rh).arg(currentWallpaper());
}
s += TQString("blm:%1;").arg(m_BlendMode);
if (m_BlendMode != NoBlending) {
s += TQString("blb:%1;").arg(m_BlendBalance);
s += TQString("rbl:%1;").arg(int(m_ReverseBlending));
}
s += TQString::number( m_bShm );
s += TQString::number( m_MinOptimizationDepth );
return s;
}
int KBackgroundSettings::hash()
{
if (hashdirty) {
m_Hash = TQHash(fingerprint());
hashdirty = false;
}
return m_Hash;
}
void KBackgroundSettings::setEnabled(const bool enable)
{
if (m_bEnabled == enable)
return;
m_bEnabled= enable;
hashdirty = true;
}
/**** TDEGlobalBackgroundSettings ****/
TDEGlobalBackgroundSettings::TDEGlobalBackgroundSettings(TDEConfig *_config)
{
m_pConfig = _config;
readSettings();
}
TQString TDEGlobalBackgroundSettings::deskName(int desk)
{
return m_Names[desk];
}
/*
void TDEGlobalBackgroundSettings::setDeskName(int desk, TQString name)
{
if (name == m_Names[desk])
return;
dirty = true;
m_Names[desk] = name;
}
*/
void TDEGlobalBackgroundSettings::setCacheSize(int size)
{
if (size == m_CacheSize)
return;
dirty = true;
m_CacheSize = size;
}
void TDEGlobalBackgroundSettings::setLimitCache(bool limit)
{
if (limit == m_bLimitCache)
return;
dirty = true;
m_bLimitCache = limit;
}
bool TDEGlobalBackgroundSettings::drawBackgroundPerScreen(int desk) const
{
if ( desk > int(m_bDrawBackgroundPerScreen.size()) )
return _defDrawBackgroundPerScreen;
return m_bDrawBackgroundPerScreen[desk];
}
void TDEGlobalBackgroundSettings::setDrawBackgroundPerScreen(int desk, bool perScreen)
{
if ( desk >= int(m_bDrawBackgroundPerScreen.size()) )
return;
if ( m_bDrawBackgroundPerScreen[desk] == perScreen )
return;
dirty = true;
m_bDrawBackgroundPerScreen[desk] = perScreen;
}
void TDEGlobalBackgroundSettings::setCommonScreenBackground(bool common)
{
if (common == m_bCommonScreen)
return;
dirty = true;
m_bCommonScreen = common;
}
void TDEGlobalBackgroundSettings::setCommonDeskBackground(bool common)
{
if (common == m_bCommonDesk)
return;
dirty = true;
m_bCommonDesk = common;
}
void TDEGlobalBackgroundSettings::setDockPanel(bool dock)
{
if (dock == m_bDock)
return;
dirty = true;
m_bDock = dock;
}
void TDEGlobalBackgroundSettings::setExportBackground(bool _export)
{
if (_export == m_bExport)
return;
dirty = true;
m_bExport = _export;
}
void TDEGlobalBackgroundSettings::setTextColor(TQColor _color)
{
if (_color == m_TextColor)
return;
dirty = true;
m_TextColor = _color;
}
void TDEGlobalBackgroundSettings::setTextBackgroundColor(TQColor _color)
{
if (_color == m_TextBackgroundColor)
return;
dirty = true;
m_TextBackgroundColor = _color;
}
void TDEGlobalBackgroundSettings::setShadowEnabled(bool enabled)
{
if (enabled == m_shadowEnabled)
return;
dirty = true;
m_shadowEnabled = enabled;
}
void TDEGlobalBackgroundSettings::setTextLines(int lines)
{
if (lines == m_textLines)
return;
dirty = true;
m_textLines = lines;
}
void TDEGlobalBackgroundSettings::setTextWidth(int width)
{
if (width == m_textWidth)
return;
dirty = true;
m_textWidth = width;
}
void TDEGlobalBackgroundSettings::readSettings()
{
m_pConfig->setGroup("Background Common");
m_bCommonScreen = m_pConfig->readBoolEntry("CommonScreen", _defCommonScreen);
m_bCommonDesk = m_pConfig->readBoolEntry("CommonDesktop", _defCommonDesk);
m_bDock = m_pConfig->readBoolEntry("Dock", _defDock);
m_bExport = m_pConfig->readBoolEntry("Export", _defExport);
m_bLimitCache = m_pConfig->readBoolEntry("LimitCache", _defLimitCache);
m_CacheSize = m_pConfig->readNumEntry("CacheSize", _defCacheSize);
m_Names.clear();
NETRootInfo info( tqt_xdisplay(), NET::DesktopNames | NET::NumberOfDesktops );
m_bDrawBackgroundPerScreen.resize(info.numberOfDesktops());
for ( int i = 0 ; i < info.numberOfDesktops() ; ++i )
m_bDrawBackgroundPerScreen[i] = m_pConfig->readBoolEntry( TQString("DrawBackgroundPerScreen_%1").arg(i), _defDrawBackgroundPerScreen );
m_TextColor = TDEGlobalSettings::textColor();
m_pConfig->setGroup("FMSettings");
m_TextColor = m_pConfig->readColorEntry("NormalTextColor", &m_TextColor);
m_TextBackgroundColor = m_pConfig->readColorEntry("ItemTextBackground");
m_shadowEnabled = m_pConfig->readBoolEntry("ShadowEnabled", true);
m_textLines = m_pConfig->readNumEntry("TextHeight", DEFAULT_TEXTHEIGHT);
m_textWidth = m_pConfig->readNumEntry("TextWidth", DEFAULT_TEXTWIDTH);
for ( int i = 0 ; i < info.numberOfDesktops() ; ++i )
m_Names.append( TQString::fromUtf8(info.desktopName(i+1)) );
dirty = false;
}
void TDEGlobalBackgroundSettings::writeSettings()
{
if (!dirty)
return;
m_pConfig->setGroup("Background Common");
m_pConfig->writeEntry("CommonScreen", m_bCommonScreen);
m_pConfig->writeEntry("CommonDesktop", m_bCommonDesk);
m_pConfig->writeEntry("Dock", m_bDock);
m_pConfig->writeEntry("Export", m_bExport);
m_pConfig->writeEntry("LimitCache", m_bLimitCache);
m_pConfig->writeEntry("CacheSize", m_CacheSize);
for ( unsigned i = 0 ; i < m_bDrawBackgroundPerScreen.size() ; ++i )
m_pConfig->writeEntry(TQString("DrawBackgroundPerScreen_%1").arg(i), m_bDrawBackgroundPerScreen[i] );
m_pConfig->setGroup("FMSettings");
m_pConfig->writeEntry("NormalTextColor", m_TextColor);
m_pConfig->writeEntry("ItemTextBackground", m_TextBackgroundColor);
m_pConfig->writeEntry("ShadowEnabled", m_shadowEnabled);
m_pConfig->writeEntry("TextHeight", m_textLines);
m_pConfig->writeEntry("TextWidth", m_textWidth);
m_pConfig->sync();
dirty = false;
// tell kdesktop to get it's butt in gear and pick up the new settings
TQByteArray data;
kapp->dcopClient()->send("kdesktop", "KDesktopIface", "configure()", data);
}