From 4aed2c8219774f5d797760606b8489a92ddc5163 Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 kcontrol/icons/iconthemes.cpp | 452 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 452 insertions(+)
 create mode 100644 kcontrol/icons/iconthemes.cpp

(limited to 'kcontrol/icons/iconthemes.cpp')

diff --git a/kcontrol/icons/iconthemes.cpp b/kcontrol/icons/iconthemes.cpp
new file mode 100644
index 000000000..a79ad6ddf
--- /dev/null
+++ b/kcontrol/icons/iconthemes.cpp
@@ -0,0 +1,452 @@
+/**
+ *  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 <qfileinfo.h>
+#include <qlayout.h>
+#include <qlabel.h>
+#include <qpushbutton.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 <klistview.h>
+#include <kurlrequesterdlg.h>
+#include <kmessagebox.h>
+#include <kprogress.h>
+#include <kiconloader.h>
+
+#include <kio/job.h>
+#include <kio/netaccess.h>
+#include <ktar.h>
+
+#ifdef HAVE_LIBART
+#include <ksvgiconengine.h>
+#endif
+
+#include "iconthemes.h"
+
+IconThemesConfig::IconThemesConfig(QWidget *parent, const char *name)
+  : KCModule(parent, name)
+{
+  QVBoxLayout *topLayout = new QVBoxLayout(this, KDialog::marginHint(),
+                                           KDialog::spacingHint());
+
+  QFrame *m_preview=new QFrame(this);
+  m_preview->setMinimumHeight(50);
+
+  QHBoxLayout *lh2=new QHBoxLayout( m_preview );
+  m_previewExec=new QLabel(m_preview);
+  m_previewExec->setPixmap(DesktopIcon("exec"));
+  m_previewFolder=new QLabel(m_preview);
+  m_previewFolder->setPixmap(DesktopIcon("folder"));
+  m_previewDocument=new QLabel(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 KListView(this,"IconThemeList");
+  m_iconThemes->addColumn(i18n("Name"));
+  m_iconThemes->addColumn(i18n("Description"));
+  m_iconThemes->setAllColumnsShowFocus( true );
+  m_iconThemes->setFullWidth(true);
+  connect(m_iconThemes,SIGNAL(selectionChanged(QListViewItem *)),
+		SLOT(themeSelected(QListViewItem *)));
+
+  QPushButton *installButton=new QPushButton( i18n("Install New Theme..."),
+	this, "InstallNewTheme");
+  connect(installButton,SIGNAL(clicked()),SLOT(installNewTheme()));
+  m_removeButton=new QPushButton( i18n("Remove Theme"),
+	this, "RemoveTheme");
+  connect(m_removeButton,SIGNAL(clicked()),SLOT(removeSelectedTheme()));
+
+  topLayout->addWidget(
+	new QLabel(i18n("Select the icon theme you want to use:"), this));
+  topLayout->addWidget(m_preview);
+  topLayout->addWidget(m_iconThemes);
+  QHBoxLayout *lg = new QHBoxLayout(topLayout, KDialog::spacingHint());
+  lg->addWidget(installButton);
+  lg->addWidget(m_removeButton);
+
+  loadThemes();
+
+  load();
+
+  m_iconThemes->setFocus();
+}
+
+IconThemesConfig::~IconThemesConfig()
+{
+}
+
+QListViewItem *IconThemesConfig::iconThemeItem(const QString &name)
+{
+  QListViewItem *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();
+  QStringList themelist(KIconTheme::list());
+  QString name;
+  QString tname;
+  QStringList::Iterator it;
+  for (it=themelist.begin(); it != themelist.end(); ++it)
+  {
+    KIconTheme 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=QString("%1-%2").arg(name).arg(i);
+
+    m_iconThemes->insertItem(new QListViewItem(m_iconThemes,name,
+		icontheme.description()));
+
+    m_themeNames.insert(name,*it);
+
+  }
+}
+
+void IconThemesConfig::installNewTheme()
+{
+  KURL themeURL = KURLRequesterDlg::getURL(QString::null, this,
+                                           i18n("Drag or Type Theme URL"));
+  kdDebug() << themeURL.prettyURL() << endl;
+
+  if (themeURL.url().isEmpty()) return;
+
+  QString themeTmpFile;
+  // themeTmpFile contains the name of the downloaded file
+
+  if (!KIO::NetAccess::download(themeURL, themeTmpFile, this)) {
+    QString 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;
+  }
+
+  QStringList themesNames = findThemeDirs(themeTmpFile);
+  if (themesNames.isEmpty()) {
+    QString invalidArch(i18n("The file is not a valid icon theme archive."));
+    KMessageBox::error(this, invalidArch);
+
+    KIO::NetAccess::removeTempFile(themeTmpFile);
+    return;
+  }
+
+  if (!installThemes(themesNames, themeTmpFile)) {
+    //FIXME: make me able to know what is wrong....
+    // QStringList instead of bool?
+    QString somethingWrong =
+        i18n("A problem occurred during the installation process; "
+             "however, most of the themes in the archive have been installed");
+    KMessageBox::error(this, somethingWrong);
+  }
+
+  KIO::NetAccess::removeTempFile(themeTmpFile);
+
+  KGlobal::instance()->newIconLoader();
+  loadThemes();
+
+  QListViewItem *item=iconThemeItem(KIconTheme::current());
+  m_iconThemes->setSelected(item, true);
+  updateRemoveButton();
+}
+
+bool IconThemesConfig::installThemes(const QStringList &themes, const QString &archiveName)
+{
+  bool everythingOk = true;
+  QString localThemesDir(locateLocal("icon", "./"));
+
+  KProgressDialog progressDiag(this, "themeinstallprogress",
+                               i18n("Installing icon themes"),
+                               QString::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 (QStringList::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;
+}
+
+QStringList IconThemesConfig::findThemeDirs(const QString &archiveName)
+{
+  QStringList 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
+  QStringList entries = themeDir->entries();
+  for (QStringList::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()
+{
+  QListViewItem *selected = m_iconThemes->selectedItem();
+  if (!selected)
+     return;
+
+  QString 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(KIconTheme::current()));
+
+  int r=KMessageBox::warningContinueCancel(this,question,i18n("Confirmation"),KStdGuiItem::del());
+  if (r!=KMessageBox::Continue) return;
+
+  KIconTheme icontheme(m_themeNames[selected->text(0)]);
+
+  // delete the index file before the async KIO::del so loadThemes() will
+  // ignore that dir.
+  unlink(QFile::encodeName(icontheme.dir()+"/index.theme").data());
+  unlink(QFile::encodeName(icontheme.dir()+"/index.desktop").data());
+  KIO::del(KURL( icontheme.dir() ));
+
+  KGlobal::instance()->newIconLoader();
+
+  loadThemes();
+
+  QListViewItem *item=0L;
+  //Fallback to the default if we've deleted the current theme
+  if (!deletingCurrentTheme)
+     item=iconThemeItem(KIconTheme::current());
+  if (!item)
+     item=iconThemeItem(KIconTheme::defaultThemeName());
+
+  m_iconThemes->setSelected(item, true);
+  updateRemoveButton();
+
+  if (deletingCurrentTheme) // Change the configuration
+    save();
+}
+
+void IconThemesConfig::updateRemoveButton()
+{
+  QListViewItem *selected = m_iconThemes->selectedItem();
+  bool enabled = false;
+  if (selected)
+  {
+    KIconTheme icontheme(m_themeNames[selected->text(0)]);
+    QFileInfo fi(icontheme.dir());
+    enabled = fi.isWritable();
+    // Don't let users remove the current theme.
+    if(m_themeNames[selected->text(0)] == KIconTheme::current() || 
+			 m_themeNames[selected->text(0)] == KIconTheme::defaultThemeName())
+      enabled = false;
+  }
+  m_removeButton->setEnabled(enabled);
+}
+
+void IconThemesConfig::themeSelected(QListViewItem *item)
+{
+#ifdef HAVE_LIBART
+  KSVGIconEngine engine;
+#endif 
+  QString dirName(m_themeNames[item->text(0)]);
+  KIconTheme icontheme(dirName);
+  if (!icontheme.isValid()) kdDebug() << "notvalid\n";
+
+  updateRemoveButton();
+  const int size = icontheme.defaultSize(KIcon::Desktop);
+
+  KIcon icon=icontheme.iconPath("exec.png", size, KIcon::MatchBest);
+  if (!icon.isValid()) {
+#ifdef HAVE_LIBART
+	  icon=icontheme.iconPath("exec.svg", size, KIcon::MatchBest);
+	  if(engine.load(size, size, icon.path))
+              m_previewExec->setPixmap(*engine.image());
+          else {
+              icon=icontheme.iconPath("exec.svgz", size, KIcon::MatchBest);
+              if(engine.load(size, size, icon.path))
+                  m_previewExec->setPixmap(*engine.image());
+          }
+#endif
+  }
+  else
+          m_previewExec->setPixmap(QPixmap(icon.path));
+
+  icon=icontheme.iconPath("folder.png",size,KIcon::MatchBest);
+  if (!icon.isValid()) {
+#ifdef HAVE_LIBART
+	  icon=icontheme.iconPath("folder.svg", size, KIcon::MatchBest);
+	  if(engine.load(size, size, icon.path))
+              m_previewFolder->setPixmap(*engine.image());
+          else {
+              icon=icontheme.iconPath("folder.svgz", size, KIcon::MatchBest);
+              if(engine.load(size, size, icon.path))
+                  m_previewFolder->setPixmap(*engine.image());
+          }
+#endif
+  }
+  else
+  	  m_previewFolder->setPixmap(QPixmap(icon.path));
+
+  icon=icontheme.iconPath("txt.png",size,KIcon::MatchBest);
+  if (!icon.isValid()) {
+#ifdef HAVE_LIBART
+	  icon=icontheme.iconPath("txt.svg", size, KIcon::MatchBest);
+	  if(engine.load(size, size, icon.path))
+              m_previewDocument->setPixmap(*engine.image());
+          else {
+              icon=icontheme.iconPath("txt.svgz", size, KIcon::MatchBest);
+              if(engine.load(size, size, icon.path))
+                  m_previewDocument->setPixmap(*engine.image());
+          }
+#endif
+  }
+  else  
+	  m_previewDocument->setPixmap(QPixmap(icon.path));
+  
+  emit changed(true);
+  m_bChanged = true;
+}
+
+void IconThemesConfig::load()
+{
+  m_defaultTheme=iconThemeItem(KIconTheme::current());
+  m_iconThemes->setSelected(m_defaultTheme, true);
+  updateRemoveButton();
+
+  emit changed(false);
+  m_bChanged = false;
+}
+
+void IconThemesConfig::save()
+{
+  if (!m_bChanged)
+     return;
+  QListViewItem *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;
+
+  KIconTheme::reconfigure();
+  emit changed(false);
+
+  for (int i=0; i<KIcon::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"
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