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tdebase/kcontrol/icons/iconthemes.cpp

453 lines
13 KiB

/**
* Copyright (c) 2000 Antonio Larrosa <larrosa@kde.org>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <stdlib.h>
#include <unistd.h>
#include <tqfileinfo.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqpushbutton.h>
#include <kdebug.h>
#include <kapplication.h>
#include <kstandarddirs.h>
#include <kservice.h>
#include <klocale.h>
#include <ksimpleconfig.h>
#undef Unsorted
#include <kipc.h>
#include <tdelistview.h>
#include <kurlrequesterdlg.h>
#include <kmessagebox.h>
#include <kprogress.h>
#include <kiconloader.h>
#include <tdeio/job.h>
#include <tdeio/netaccess.h>
#include <ktar.h>
#ifdef HAVE_LIBART
#include <ksvgiconengine.h>
#endif
#include "iconthemes.h"
IconThemesConfig::IconThemesConfig(TQWidget *parent, const char *name)
: TDECModule(parent, name)
{
TQVBoxLayout *topLayout = new TQVBoxLayout(this, KDialog::marginHint(),
KDialog::spacingHint());
TQFrame *m_preview=new TQFrame(this);
m_preview->setMinimumHeight(50);
TQHBoxLayout *lh2=new TQHBoxLayout( m_preview );
m_previewExec=new TQLabel(m_preview);
m_previewExec->setPixmap(DesktopIcon("exec"));
m_previewFolder=new TQLabel(m_preview);
m_previewFolder->setPixmap(DesktopIcon("folder"));
m_previewDocument=new TQLabel(m_preview);
m_previewDocument->setPixmap(DesktopIcon("document"));
lh2->addStretch(10);
lh2->addWidget(m_previewExec);
lh2->addStretch(1);
lh2->addWidget(m_previewFolder);
lh2->addStretch(1);
lh2->addWidget(m_previewDocument);
lh2->addStretch(10);
m_iconThemes=new TDEListView(this,"IconThemeList");
m_iconThemes->addColumn(i18n("Name"));
m_iconThemes->addColumn(i18n("Description"));
m_iconThemes->setAllColumnsShowFocus( true );
m_iconThemes->setFullWidth(true);
connect(m_iconThemes,TQT_SIGNAL(selectionChanged(TQListViewItem *)),
TQT_SLOT(themeSelected(TQListViewItem *)));
TQPushButton *installButton=new TQPushButton( i18n("Install New Theme..."),
this, "InstallNewTheme");
connect(installButton,TQT_SIGNAL(clicked()),TQT_SLOT(installNewTheme()));
m_removeButton=new TQPushButton( i18n("Remove Theme"),
this, "RemoveTheme");
connect(m_removeButton,TQT_SIGNAL(clicked()),TQT_SLOT(removeSelectedTheme()));
topLayout->addWidget(
new TQLabel(i18n("Select the icon theme you want to use:"), this));
topLayout->addWidget(m_preview);
topLayout->addWidget(m_iconThemes);
TQHBoxLayout *lg = new TQHBoxLayout(topLayout, KDialog::spacingHint());
lg->addWidget(installButton);
lg->addWidget(m_removeButton);
loadThemes();
load();
m_iconThemes->setFocus();
}
IconThemesConfig::~IconThemesConfig()
{
}
TQListViewItem *IconThemesConfig::iconThemeItem(const TQString &name)
{
TQListViewItem *item;
for ( item=m_iconThemes->firstChild(); item ; item=item->nextSibling() )
if (m_themeNames[item->text(0)]==name) return item;
return 0L;
}
void IconThemesConfig::loadThemes()
{
m_iconThemes->clear();
m_themeNames.clear();
TQStringList themelist(TDEIconTheme::list());
TQString name;
TQString tname;
TQStringList::Iterator it;
for (it=themelist.begin(); it != themelist.end(); ++it)
{
TDEIconTheme icontheme(*it);
if (!icontheme.isValid()) kdDebug() << "notvalid\n";
if (icontheme.isHidden()) continue;
name=icontheme.name();
tname=name;
// Just in case we have duplicated icon theme names on separate directories
for (int i=2; m_themeNames.find(tname)!=m_themeNames.end() ; i++)
tname=TQString("%1-%2").arg(name).arg(i);
m_iconThemes->insertItem(new TQListViewItem(m_iconThemes,name,
icontheme.description()));
m_themeNames.insert(name,*it);
}
}
void IconThemesConfig::installNewTheme()
{
KURL themeURL = KURLRequesterDlg::getURL(TQString::null, this,
i18n("Drag or Type Theme URL"));
kdDebug() << themeURL.prettyURL() << endl;
if (themeURL.url().isEmpty()) return;
TQString themeTmpFile;
// themeTmpFile contains the name of the downloaded file
if (!TDEIO::NetAccess::download(themeURL, themeTmpFile, this)) {
TQString sorryText;
if (themeURL.isLocalFile())
sorryText = i18n("Unable to find the icon theme archive %1.");
else
sorryText = i18n("Unable to download the icon theme archive;\n"
"please check that address %1 is correct.");
KMessageBox::sorry(this, sorryText.arg(themeURL.prettyURL()));
return;
}
TQStringList themesNames = findThemeDirs(themeTmpFile);
if (themesNames.isEmpty()) {
TQString invalidArch(i18n("The file is not a valid icon theme archive."));
KMessageBox::error(this, invalidArch);
TDEIO::NetAccess::removeTempFile(themeTmpFile);
return;
}
if (!installThemes(themesNames, themeTmpFile)) {
//FIXME: make me able to know what is wrong....
// TQStringList instead of bool?
TQString somethingWrong =
i18n("A problem occurred during the installation process; "
"however, most of the themes in the archive have been installed");
KMessageBox::error(this, somethingWrong);
}
TDEIO::NetAccess::removeTempFile(themeTmpFile);
TDEGlobal::instance()->newIconLoader();
loadThemes();
TQListViewItem *item=iconThemeItem(TDEIconTheme::current());
m_iconThemes->setSelected(item, true);
updateRemoveButton();
}
bool IconThemesConfig::installThemes(const TQStringList &themes, const TQString &archiveName)
{
bool everythingOk = true;
TQString localThemesDir(locateLocal("icon", "./"));
KProgressDialog progressDiag(this, "themeinstallprogress",
i18n("Installing icon themes"),
TQString::null,
true);
progressDiag.setAutoClose(true);
progressDiag.progressBar()->setTotalSteps(themes.count());
progressDiag.show();
KTar archive(archiveName);
archive.open(IO_ReadOnly);
kapp->processEvents();
const KArchiveDirectory* rootDir = archive.directory();
KArchiveDirectory* currentTheme;
for (TQStringList::ConstIterator it = themes.begin();
it != themes.end();
++it) {
progressDiag.setLabel(
i18n("<qt>Installing <strong>%1</strong> theme</qt>")
.arg(*it));
kapp->processEvents();
if (progressDiag.wasCancelled())
break;
currentTheme = dynamic_cast<KArchiveDirectory*>(
const_cast<KArchiveEntry*>(
rootDir->entry(*it)));
if (currentTheme == NULL) {
// we tell back that something went wrong, but try to install as much
// as possible
everythingOk = false;
continue;
}
currentTheme->copyTo(localThemesDir + *it);
progressDiag.progressBar()->advance(1);
}
archive.close();
return everythingOk;
}
TQStringList IconThemesConfig::findThemeDirs(const TQString &archiveName)
{
TQStringList foundThemes;
KTar archive(archiveName);
archive.open(IO_ReadOnly);
const KArchiveDirectory* themeDir = archive.directory();
KArchiveEntry* possibleDir = 0L;
KArchiveDirectory* subDir = 0L;
// iterate all the dirs looking for an index.theme or index.desktop file
TQStringList entries = themeDir->entries();
for (TQStringList::Iterator it = entries.begin();
it != entries.end();
++it) {
possibleDir = const_cast<KArchiveEntry*>(themeDir->entry(*it));
if (possibleDir->isDirectory()) {
subDir = dynamic_cast<KArchiveDirectory*>( possibleDir );
if (subDir && (subDir->entry("index.theme") != NULL ||
subDir->entry("index.desktop") != NULL))
foundThemes.append(subDir->name());
}
}
archive.close();
return foundThemes;
}
void IconThemesConfig::removeSelectedTheme()
{
TQListViewItem *selected = m_iconThemes->selectedItem();
if (!selected)
return;
TQString question=i18n("<qt>Are you sure you want to remove the "
"<strong>%1</strong> icon theme?<br>"
"<br>"
"This will delete the files installed by this theme.</qt>").
arg(selected->text(0));
bool deletingCurrentTheme=(selected==iconThemeItem(TDEIconTheme::current()));
int r=KMessageBox::warningContinueCancel(this,question,i18n("Confirmation"),KStdGuiItem::del());
if (r!=KMessageBox::Continue) return;
TDEIconTheme icontheme(m_themeNames[selected->text(0)]);
// delete the index file before the async TDEIO::del so loadThemes() will
// ignore that dir.
unlink(TQFile::encodeName(icontheme.dir()+"/index.theme").data());
unlink(TQFile::encodeName(icontheme.dir()+"/index.desktop").data());
TDEIO::del(KURL( icontheme.dir() ));
TDEGlobal::instance()->newIconLoader();
loadThemes();
TQListViewItem *item=0L;
//Fallback to the default if we've deleted the current theme
if (!deletingCurrentTheme)
item=iconThemeItem(TDEIconTheme::current());
if (!item)
item=iconThemeItem(TDEIconTheme::defaultThemeName());
m_iconThemes->setSelected(item, true);
updateRemoveButton();
if (deletingCurrentTheme) // Change the configuration
save();
}
void IconThemesConfig::updateRemoveButton()
{
TQListViewItem *selected = m_iconThemes->selectedItem();
bool enabled = false;
if (selected)
{
TDEIconTheme icontheme(m_themeNames[selected->text(0)]);
TQFileInfo fi(icontheme.dir());
enabled = fi.isWritable();
// Don't let users remove the current theme.
if(m_themeNames[selected->text(0)] == TDEIconTheme::current() ||
m_themeNames[selected->text(0)] == TDEIconTheme::defaultThemeName())
enabled = false;
}
m_removeButton->setEnabled(enabled);
}
void IconThemesConfig::themeSelected(TQListViewItem *item)
{
#ifdef HAVE_LIBART
KSVGIconEngine engine;
#endif
TQString dirName(m_themeNames[item->text(0)]);
TDEIconTheme icontheme(dirName);
if (!icontheme.isValid()) kdDebug() << "notvalid\n";
updateRemoveButton();
const int size = icontheme.defaultSize(TDEIcon::Desktop);
TDEIcon icon=icontheme.iconPath("exec.png", size, TDEIcon::MatchBest);
if (!icon.isValid()) {
#ifdef HAVE_LIBART
icon=icontheme.iconPath("exec.svg", size, TDEIcon::MatchBest);
if(engine.load(size, size, icon.path))
m_previewExec->setPixmap(*engine.image());
else {
icon=icontheme.iconPath("exec.svgz", size, TDEIcon::MatchBest);
if(engine.load(size, size, icon.path))
m_previewExec->setPixmap(*engine.image());
}
#endif
}
else
m_previewExec->setPixmap(TQPixmap(icon.path));
icon=icontheme.iconPath("folder.png",size,TDEIcon::MatchBest);
if (!icon.isValid()) {
#ifdef HAVE_LIBART
icon=icontheme.iconPath("folder.svg", size, TDEIcon::MatchBest);
if(engine.load(size, size, icon.path))
m_previewFolder->setPixmap(*engine.image());
else {
icon=icontheme.iconPath("folder.svgz", size, TDEIcon::MatchBest);
if(engine.load(size, size, icon.path))
m_previewFolder->setPixmap(*engine.image());
}
#endif
}
else
m_previewFolder->setPixmap(TQPixmap(icon.path));
icon=icontheme.iconPath("txt.png",size,TDEIcon::MatchBest);
if (!icon.isValid()) {
#ifdef HAVE_LIBART
icon=icontheme.iconPath("txt.svg", size, TDEIcon::MatchBest);
if(engine.load(size, size, icon.path))
m_previewDocument->setPixmap(*engine.image());
else {
icon=icontheme.iconPath("txt.svgz", size, TDEIcon::MatchBest);
if(engine.load(size, size, icon.path))
m_previewDocument->setPixmap(*engine.image());
}
#endif
}
else
m_previewDocument->setPixmap(TQPixmap(icon.path));
emit changed(true);
m_bChanged = true;
}
void IconThemesConfig::load()
{
m_defaultTheme=iconThemeItem(TDEIconTheme::current());
m_iconThemes->setSelected(m_defaultTheme, true);
updateRemoveButton();
emit changed(false);
m_bChanged = false;
}
void IconThemesConfig::save()
{
if (!m_bChanged)
return;
TQListViewItem *selected = m_iconThemes->selectedItem();
if (!selected)
return;
KSimpleConfig *config = new KSimpleConfig("kdeglobals", false);
config->setGroup("Icons");
config->writeEntry("Theme", m_themeNames[selected->text(0)]);
delete config;
TDEIconTheme::reconfigure();
emit changed(false);
for (int i=0; i<TDEIcon::LastGroup; i++)
{
KIPC::sendMessageAll(KIPC::IconChanged, i);
}
KService::rebuildKSycoca(this);
m_bChanged = false;
m_removeButton->setEnabled(false);
}
void IconThemesConfig::defaults()
{
if (m_iconThemes->currentItem()==m_defaultTheme) return;
m_iconThemes->setSelected(m_defaultTheme, true);
updateRemoveButton();
emit changed(true);
m_bChanged = true;
}
#include "iconthemes.moc"