src/infosidebarpage.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "infosidebarpage.h"
  21 #include <assert.h>
  22
  23 #include <qlayout.h>
  24 #include <qpixmap.h>
  25 #include <qlabel.h>
  26 #include <qtimer.h>
  27 #include <qpushbutton.h>
  28
  29 #include <q3vgroupbox.h>
  30 #include <q3popupmenu.h>
  31 #include <qpainter.h>
  32 #include <qfontmetrics.h>
  33 #include <q3grid.h>
  34 #include <q3hgroupbox.h>
  35 //Added by qt3to4:
  36 #include <Q3ValueList>
  37 #include <QEvent>
  38 #include <Q3VBoxLayout>
  39 #include <QInputDialog>
  40
  41 #include <kbookmarkmanager.h>
  42 #include <klocale.h>
  43 #include <kstandarddirs.h>
  44 #include <kio/previewjob.h>
  45 #include <kfileitem.h>
  46 #include <kdialog.h>
  47 #include <kglobalsettings.h>
  48 #include <kfilemetainfo.h>
  49 #include <kvbox.h>
  50
  51 #include "dolphinmainwindow.h"
  52 #include "dolphinapplication.h"
  53 #include "pixmapviewer.h"
  54 #include "dolphinsettings.h"
  55 #include "metadataloader.h"
  56
  57 InfoSidebarPage::InfoSidebarPage(DolphinMainWindow* mainWindow, QWidget* parent) :
  58     SidebarPage(mainWindow, parent),
  59     m_multipleSelection(false),
  60     m_pendingPreview(false),
  61     m_timer(0),
  62     m_preview(0),
  63     m_name(0),
  64     m_infos(0),
  65     m_metadata(DolphinApplication::app()->metadataLoader())
  66 {
  67     const int spacing = KDialog::spacingHint();
  68
  69     m_timer = new QTimer(this);
  70     connect(m_timer, SIGNAL(timeout()),
  71             this, SLOT(slotTimeout()));
  72
  73     QVBoxLayout* layout = new QVBoxLayout;
  74     layout->setSpacing(spacing);
  75
  76     // preview
  77     m_preview = new PixmapViewer(this);
  78     m_preview->setMinimumWidth(K3Icon::SizeEnormous);
  79     m_preview->setFixedHeight(K3Icon::SizeEnormous);
  80
  81     // name
  82     m_name = new QLabel(this);
  83     m_name->setTextFormat(Qt::RichText);
  84     m_name->setAlignment(m_name->alignment() | Qt::AlignHCenter);
  85     QFontMetrics fontMetrics(m_name->font());
  86     m_name->setMinimumHeight(fontMetrics.height() * 3);
  87     m_name->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Maximum);
  88
  89     QWidget* sep1 = new Q3HGroupBox(this);  // TODO: check whether default widget exist for this?
  90     sep1->setFixedHeight(1);
  91
  92     // general information
  93     m_infos = new QLabel(this);
  94     m_infos->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
  95     m_infos->setTextFormat(Qt::RichText);
  96
  97     // annotation
  98     if (m_metadata->storageUp()) {
  99         m_annotationLabel = new QLabel(this);
 100         m_annotationLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
 101         m_annotationLabel->setTextFormat(Qt::RichText);
 102         m_annotationLabel->setWordWrap(true);
 103         m_annotationButton = new QPushButton("", this);
 104         m_annotationButton->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
 105         connect(m_annotationButton, SIGNAL(released()), this, SLOT(changeAnnotation()));
 106     }
 107
 108     QWidget* sep2 = new Q3HGroupBox(this);  // TODO: check whether default widget exist for this?
 109     sep2->setFixedHeight(1);
 110
 111     QWidget* sep3 = new Q3HGroupBox(this);  // TODO: check whether default widget exist for this?
 112     sep3->setFixedHeight(1);
 113
 114     // actions
 115     m_actionBox = new KVBox(this);
 116     m_actionBox->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
 117
 118     // Add a dummy widget with no restriction regarding a vertical resizing.
 119     // This assures that information is always top aligned.
 120     QWidget* dummy = new QWidget(this);
 121
 122     layout->addItem(new QSpacerItem(spacing, spacing, QSizePolicy::Preferred, QSizePolicy::Fixed));
 123     layout->addWidget(m_preview);
 124     layout->addWidget(m_name);
 125     layout->addWidget(sep1);
 126     layout->addWidget(m_infos);
 127     layout->addWidget(sep2);
 128     if (m_metadata->storageUp()) {
 129         layout->addWidget(m_annotationLabel);
 130         layout->addWidget(m_annotationButton);
 131         layout->addWidget(sep3);
 132     }
 133     layout->addWidget(m_actionBox);
 134     layout->addWidget(dummy);
 135     setLayout(layout);
 136     connect(mainWindow, SIGNAL(selectionChanged()),
 137             this, SLOT(showItemInfo()));
 138
 139     connectToActiveView();
 140 }
 141
 142 InfoSidebarPage::~InfoSidebarPage()
 143 {
 144 }
 145
 146 void InfoSidebarPage::activeViewChanged()
 147 {
 148     connectToActiveView();
 149 }
 150
 151 void InfoSidebarPage::requestDelayedItemInfo(const KUrl& url)
 152 {
 153     cancelRequest();
 154
 155     if (!url.isEmpty() && !m_multipleSelection) {
 156         m_urlCandidate = url;
 157         m_timer->setSingleShot(true);
 158         m_timer->start(300);
 159     }
 160 }
 161
 162 void InfoSidebarPage::requestItemInfo(const KUrl& url)
 163 {
 164     cancelRequest();
 165
 166     if (!url.isEmpty() && !m_multipleSelection) {
 167         m_shownUrl = url;
 168         showItemInfo();
 169     }
 170 }
 171
 172 void InfoSidebarPage::showItemInfo()
 173 {
 174     cancelRequest();
 175
 176     m_multipleSelection = false;
 177
 178     // show the preview...
 179     DolphinView* view = mainWindow()->activeView();
 180     const KFileItemList selectedItems = view->selectedItems();
 181     KUrl file;
 182     if (selectedItems.count() > 1) {
 183         m_multipleSelection = true;
 184     } else if(selectedItems.count() == 0) {
 185         file = m_shownUrl;
 186     } else {
 187         file = selectedItems[0]->url();
 188     }
 189     if (m_multipleSelection) {
 190         KIconLoader iconLoader;
 191         QPixmap icon = iconLoader.loadIcon("exec",
 192                                            K3Icon::NoGroup,
 193                                            K3Icon::SizeEnormous);
 194         m_preview->setPixmap(icon);
 195         m_name->setText(i18n("%1 items selected",selectedItems.count()));
 196     }
 197     else if (!applyBookmark(file)) {
 198         // try to get a preview pixmap from the item...
 199         KUrl::List list;
 200         list.append(file);
 201
 202         m_pendingPreview = true;
 203         m_preview->setPixmap(QPixmap());
 204
 205         KIO::PreviewJob* job = KIO::filePreview(list,
 206                                                 m_preview->width(),
 207                                                 K3Icon::SizeEnormous,
 208                                                 0,
 209                                                 0,
 210                                                 true,
 211                                                 false);
 212         job->setIgnoreMaximumSize(true);
 213
 214         connect(job, SIGNAL(gotPreview(const KFileItem*, const QPixmap&)),
 215                 this, SLOT(gotPreview(const KFileItem*, const QPixmap&)));
 216         connect(job, SIGNAL(failed(const KFileItem*)),
 217                 this, SLOT(slotPreviewFailed(const KFileItem*)));
 218
 219         QString text("<b>");
 220         text.append(file.fileName());
 221         text.append("</b>");
 222         m_name->setText(text);
 223     }
 224
 225     createMetaInfo();
 226     insertActions();
 227 }
 228
 229 void InfoSidebarPage::slotTimeout()
 230 {
 231     m_shownUrl = m_urlCandidate;
 232     showItemInfo();
 233 }
 234
 235 void InfoSidebarPage::slotPreviewFailed(const KFileItem* item)
 236 {
 237     m_pendingPreview = false;
 238     if (!applyBookmark(item->url())) {
 239         m_preview->setPixmap(item->pixmap(K3Icon::SizeEnormous));
 240     }
 241 }
 242
 243 void InfoSidebarPage::gotPreview(const KFileItem* /* item */,
 244                                  const QPixmap& pixmap)
 245 {
 246     if (m_pendingPreview) {
 247         m_preview->setPixmap(pixmap);
 248         m_pendingPreview = false;
 249     }
 250 }
 251
 252 void InfoSidebarPage::startService(int index)
 253 {
 254     DolphinView* view = mainWindow()->activeView();
 255     if (view->hasSelection()) {
 256         KUrl::List selectedUrls = view->selectedUrls();
 257         KDEDesktopMimeType::executeService(selectedUrls, m_actionsVector[index]);
 258     }
 259     else {
 260         KDEDesktopMimeType::executeService(m_shownUrl, m_actionsVector[index]);
 261     }
 262 }
 263
 264 void InfoSidebarPage::connectToActiveView()
 265 {
 266     cancelRequest();
 267
 268     DolphinView* view = mainWindow()->activeView();
 269     connect(view, SIGNAL(requestItemInfo(const KUrl&)),
 270             this, SLOT(requestDelayedItemInfo(const KUrl&)));
 271     connect(view, SIGNAL(urlChanged(const KUrl&)),
 272             this, SLOT(requestItemInfo(const KUrl&)));
 273
 274     m_shownUrl = view->url();
 275     showItemInfo();
 276 }
 277
 278 bool InfoSidebarPage::applyBookmark(const KUrl& url)
 279 {
 280     KBookmarkGroup root = DolphinSettings::instance().bookmarkManager()->root();
 281     KBookmark bookmark = root.first();
 282     while (!bookmark.isNull()) {
 283         if (url.equals(bookmark.url(), KUrl::CompareWithoutTrailingSlash)) {
 284             QString text("<b>");
 285             text.append(bookmark.text());
 286             text.append("</b>");
 287             m_name->setText(text);
 288
 289             KIconLoader iconLoader;
 290             QPixmap icon = iconLoader.loadIcon(bookmark.icon(),
 291                                                K3Icon::NoGroup,
 292                                                K3Icon::SizeEnormous);
 293             m_preview->setPixmap(icon);
 294             return true;
 295         }
 296         bookmark = root.next(bookmark);
 297     }
 298
 299     return false;
 300 }
 301
 302 void InfoSidebarPage::cancelRequest()
 303 {
 304     m_timer->stop();
 305     m_pendingPreview = false;
 306 }
 307
 308 void InfoSidebarPage::createMetaInfo()
 309 {
 310     beginInfoLines();
 311     DolphinView* view = mainWindow()->activeView();
 312     if (!view->hasSelection()) {
 313         KFileItem fileItem(S_IFDIR, KFileItem::Unknown, m_shownUrl);
 314         fileItem.refresh();
 315
 316         if (fileItem.isDir()) {
 317             addInfoLine(i18n("Type:"), i18n("Directory"));
 318         }
 319         showAnnotation(m_shownUrl);
 320     }
 321     else if (view->selectedItems().count() == 1) {
 322         KFileItem* fileItem = view->selectedItems()[0];
 323         addInfoLine(i18n("Type:"), fileItem->mimeComment());
 324
 325         QString sizeText(KIO::convertSize(fileItem->size()));
 326         addInfoLine(i18n("Size:"), sizeText);
 327         addInfoLine(i18n("Modified:"), fileItem->timeString());
 328
 329         const KFileMetaInfo& metaInfo = fileItem->metaInfo();
 330         if (metaInfo.isValid()) {
 331             QStringList keys = metaInfo.supportedKeys();
 332             for (QStringList::Iterator it = keys.begin(); it != keys.end(); ++it) {
 333                 if (showMetaInfo(*it)) {
 334                     KFileMetaInfoItem metaInfoItem = metaInfo.item(*it);
 335                     addInfoLine(*it, metaInfoItem.string());
 336                 }
 337             }
 338         }
 339         showAnnotation(fileItem->url());
 340     }
 341     else {
 342         showAnnotations(view->selectedItems().urlList());
 343         unsigned long int totSize = 0;
 344         foreach(KFileItem* item, view->selectedItems()) {
 345             totSize += item->size(); //FIXME what to do with directories ? (same with the one-item-selected-code), item->size() does not return the size of the content : not very instinctive for users
 346         }
 347         addInfoLine(i18n("Total size:"), KIO::convertSize(totSize));
 348     }
 349     endInfoLines();
 350 }
 351
 352 void InfoSidebarPage::beginInfoLines()
 353 {
 354     m_infoLines = QString("");
 355 }
 356
 357 void InfoSidebarPage::endInfoLines()
 358 {
 359     m_infos->setText(m_infoLines);
 360 }
 361
 362 bool InfoSidebarPage::showMetaInfo(const QString& key) const
 363 {
 364     // sorted list of keys, where it's data should be shown
 365     static const char* keys[] = {
 366         "Album",
 367         "Artist",
 368         "Author",
 369         "Bitrate",
 370         "Date",
 371         "Dimensions",
 372         "Genre",
 373         "Length",
 374         "Lines",
 375         "Pages",
 376         "Title",
 377         "Words"
 378     };
 379
 380     // do a binary search for the key...
 381     int top = 0;
 382     int bottom = sizeof(keys) / sizeof(char*) - 1;
 383     while (top < bottom) {
 384         const int middle = (top + bottom) / 2;
 385         const int result = key.compare(keys[middle]);
 386         if (result < 0) {
 387             bottom = middle - 1;
 388         }
 389         else if (result > 0) {
 390             top = middle + 1;
 391         }
 392         else {
 393             return true;
 394         }
 395     }
 396
 397     return false;
 398 }
 399
 400 void InfoSidebarPage::addInfoLine(const QString& labelText, const QString& infoText)
 401 {
 402     if (!m_infoLines.isEmpty())
 403         m_infoLines += "<br/>";
 404     m_infoLines += QString("<b>%1</b> %2").arg(labelText).arg(infoText);
 405 }
 406
 407 void InfoSidebarPage::insertActions()
 408 {
 409     // delete all existing action widgets
 410     // TODO: just use children() from QObject...
 411     Q3PtrListIterator<QWidget> deleteIter(m_actionWidgets);
 412     QWidget* widget = 0;
 413     while ((widget = deleteIter.current()) != 0) {
 414         widget->close();
 415         widget->deleteLater();
 416         ++deleteIter;
 417     }
 418
 419     m_actionWidgets.clear();
 420     m_actionsVector.clear();
 421
 422     int actionsIndex = 0;
 423
 424     // The algorithm for searching the available actions works on a list
 425     // of KFileItems. If no selection is given, a temporary KFileItem
 426     // by the given Url 'url' is created and added to the list.
 427     KFileItem fileItem(S_IFDIR, KFileItem::Unknown, m_shownUrl);
 428     KFileItemList itemList = mainWindow()->activeView()->selectedItems();
 429     if (itemList.isEmpty()) {
 430         fileItem.refresh();
 431         itemList.append(&fileItem);
 432     }
 433
 434     // 'itemList' contains now all KFileItems, where an item information should be shown.
 435     // TODO: the following algorithm is quite equal to DolphinContextMenu::insertActionItems().
 436     // It's open yet whether they should be merged or whether they have to work slightly different.
 437     QStringList dirs = KGlobal::dirs()->findDirs("data", "dolphin/servicemenus/");
 438     for (QStringList::ConstIterator dirIt = dirs.begin(); dirIt != dirs.end(); ++dirIt) {
 439         QDir dir(*dirIt);
 440         QStringList entries = dir.entryList(QStringList("*.desktop"), QDir::Files);
 441
 442         for (QStringList::ConstIterator entryIt = entries.begin(); entryIt != entries.end(); ++entryIt) {
 443             KConfigGroup cfg(KSharedConfig::openConfig( *dirIt + *entryIt, KConfig::OnlyLocal ), "Desktop Entry" );
 444             if ((cfg.hasKey("Actions") || cfg.hasKey("X-KDE-GetActionMenu")) && cfg.hasKey("ServiceTypes")) {
 445                 const QStringList types = cfg.readEntry("ServiceTypes", QStringList(), ',');
 446                 for (QStringList::ConstIterator it = types.begin(); it != types.end(); ++it) {
 447                     // check whether the mime type is equal or whether the
 448                     // mimegroup (e. g. image/*) is supported
 449
 450                     bool insert = false;
 451                     if ((*it) == "all/allfiles") {
 452                         // The service type is valid for all files, but not for directories.
 453                         // Check whether the selected items only consist of files...
 454                         QListIterator<KFileItem*> mimeIt(itemList);
 455                         insert = true;
 456                         while (insert && mimeIt.hasNext()) {
 457                             KFileItem* item = mimeIt.next();
 458                             insert = !item->isDir();
 459                         }
 460                     }
 461
 462                     if (!insert) {
 463                         // Check whether the MIME types of all selected files match
 464                         // to the mimetype of the service action. As soon as one MIME
 465                         // type does not match, no service menu is shown at all.
 466                         QListIterator<KFileItem*> mimeIt(itemList);
 467                         insert = true;
 468                         while (insert && mimeIt.hasNext()) {
 469                             KFileItem* item = mimeIt.next();
 470                             const QString mimeType(item->mimetype());
 471                             const QString mimeGroup(mimeType.left(mimeType.indexOf('/')));
 472
 473                             insert  = (*it == mimeType) ||
 474                                       ((*it).right(1) == "*") &&
 475                                       ((*it).left((*it).indexOf('/')) == mimeGroup);
 476                         }
 477                     }
 478
 479                     if (insert) {
 480                         const QString submenuName = cfg.readEntry( "X-KDE-Submenu" );
 481                         Q3PopupMenu* popup = 0;
 482                         if (!submenuName.isEmpty()) {
 483                             // create a sub menu containing all actions
 484                             popup = new Q3PopupMenu();
 485                             connect(popup, SIGNAL(activated(int)),
 486                                     this, SLOT(startService(int)));
 487
 488                             QPushButton* button = new QPushButton(submenuName, m_actionBox);
 489                             button->setFlat(true);
 490                             button->setMenu(popup);
 491                             button->show();
 492                             m_actionWidgets.append(button);
 493                         }
 494
 495                         Q3ValueList<KDEDesktopMimeType::Service> userServices =
 496                             KDEDesktopMimeType::userDefinedServices(*dirIt + *entryIt, true);
 497
 498                         // iterate through all actions and add them to a widget
 499                         Q3ValueList<KDEDesktopMimeType::Service>::Iterator serviceIt;
 500                         for (serviceIt = userServices.begin(); serviceIt != userServices.end(); ++serviceIt) {
 501                             KDEDesktopMimeType::Service service = (*serviceIt);
 502                             if (popup == 0) {
 503                                 ServiceButton* button = new ServiceButton(KIcon(service.m_strIcon),
 504                                                                           service.m_strName,
 505                                                                           m_actionBox,
 506                                                                           actionsIndex);
 507                                 connect(button, SIGNAL(requestServiceStart(int)),
 508                                         this, SLOT(startService(int)));
 509                                 m_actionWidgets.append(button);
 510                                 button->show();
 511                             }
 512                             else {
 513                                 popup->insertItem(KIcon(service.m_strIcon), service.m_strName, actionsIndex);
 514                             }
 515
 516                             m_actionsVector.append(service);
 517                             ++actionsIndex;
 518                         }
 519                     }
 520                 }
 521             }
 522         }
 523     }
 524 }
 525
 526 void InfoSidebarPage::showAnnotation(const KUrl& file)
 527 {
 528     if(m_metadata->storageUp()) {
 529         QString text = m_metadata->getAnnotation(file);
 530         if (!text.isEmpty()) {
 531             m_annotationLabel->show();
 532             m_annotationLabel->setText(QString("<b>%1</b> :<br/>%2").arg(i18n("Annotation")).arg(text));
 533             m_annotationButton->setText(i18n("Change annotation"));
 534         } else {
 535             m_annotationLabel->hide();
 536             m_annotationButton->setText(i18n("Annotate file"));
 537         }
 538     }
 539 }
 540
 541 void InfoSidebarPage::showAnnotations(const KUrl::List& files)
 542 {
 543     static unsigned int maxShownAnnot = 3; //The maximum number of show annotations when selecting multiple files
 544     if (m_metadata->storageUp()) {
 545         bool hasAnnotation = false;
 546         unsigned int annotateNum = 0;
 547         QString firsts = QString("<b>%1 :</b><br/>").arg(i18n("Annotations"));
 548         foreach (KUrl file, files) {
 549             QString annotation = m_metadata->getAnnotation(file);
 550             if (!annotation.isEmpty()) {
 551                 hasAnnotation = true;
 552                 if(annotateNum < maxShownAnnot) {
 553                     firsts += m_annotationLabel->fontMetrics().elidedText(QString("<b>%1</b> : %2<br/>").arg(file.fileName()).arg(annotation), Qt::ElideRight, width());//FIXME not really the good method, does not handle resizing ...
 554                     annotateNum++;
 555                 }
 556             }
 557         }
 558         if (hasAnnotation) {
 559             m_annotationLabel->show();
 560             m_annotationLabel->setText(firsts);
 561         } else m_annotationLabel->hide();
 562         m_annotationButton->setText(hasAnnotation ? i18n("Change annotations") : i18n("Annotate files"));
 563     }
 564 }
 565
 566 void InfoSidebarPage::changeAnnotation()
 567 {
 568     bool ok = false;
 569     KUrl::List files(mainWindow()->activeView()->selectedItems().urlList());
 570     QString name, old;
 571     if (files.isEmpty()) {
 572         files << m_shownUrl;
 573     }
 574     else if (files.count() == 1) {
 575         name = files[0].url();
 576         old = m_metadata->getAnnotation(files[0]);
 577     }
 578     else {
 579         name = QString("%1 files").arg(files.count());
 580         old = QString();
 581     }
 582     QString text = QInputDialog::getText(this, "Annotate", QString("Set annotation for %1").arg(name), QLineEdit::Normal, old, &ok);//FIXME temporary, must move to a real dialog
 583     if(ok) {
 584         foreach(KUrl file, files) {
 585             m_metadata->setAnnotation(file, text);
 586         }
 587         showAnnotation(files[0]);
 588     }
 589 }
 590
 591 ServiceButton::ServiceButton(const QIcon& icon,
 592                              const QString& text,
 593                              QWidget* parent,
 594                              int index) :
 595     QPushButton(icon, text, parent),
 596     m_hover(false),
 597     m_index(index)
 598 {
 599     setEraseColor(palette().brush(QPalette::Background).color());
 600     setFocusPolicy(Qt::NoFocus);
 601     connect(this, SIGNAL(released()),
 602             this, SLOT(slotReleased()));
 603 }
 604
 605 ServiceButton::~ServiceButton()
 606 {
 607 }
 608
 609 void ServiceButton::paintEvent(QPaintEvent* event)
 610 {
 611     QPainter painter(this);
 612     const int buttonWidth  = width();
 613     const int buttonHeight = height();
 614
 615     QColor backgroundColor;
 616     QColor foregroundColor;
 617     if (m_hover) {
 618         backgroundColor = KGlobalSettings::highlightColor();
 619         foregroundColor = KGlobalSettings::highlightedTextColor();
 620     }
 621     else {
 622         backgroundColor = palette().brush(QPalette::Background).color();
 623         foregroundColor = KGlobalSettings::buttonTextColor();
 624     }
 625
 626     // draw button background
 627     painter.setPen(Qt::NoPen);
 628     painter.setBrush(backgroundColor);
 629     painter.drawRect(0, 0, buttonWidth, buttonHeight);
 630
 631     const int spacing = KDialog::spacingHint();
 632
 633     // draw icon
 634     int x = spacing;
 635     const int y = (buttonHeight - K3Icon::SizeSmall) / 2;
 636     const QIcon &set = icon();
 637     if (!set.isNull()) {
 638         painter.drawPixmap(x, y, set.pixmap(QIcon::Small, QIcon::Normal));
 639     }
 640     x += K3Icon::SizeSmall + spacing;
 641
 642     // draw text
 643     painter.setPen(foregroundColor);
 644
 645     const int textWidth = buttonWidth - x;
 646     QFontMetrics fontMetrics(font());
 647     const bool clipped = fontMetrics.width(text()) >= textWidth;
 648     //const int align = clipped ? Qt::AlignVCenter : Qt::AlignCenter;
 649     painter.drawText(QRect(x, 0, textWidth, buttonHeight), Qt::AlignVCenter, text());
 650
 651     if (clipped) {
 652         // Blend the right area of the text with the background, as the
 653         // text is clipped.
 654         // TODO #1: use alpha blending in Qt4 instead of drawing the text that often
 655         // TODO #2: same code as in UrlNavigatorButton::drawButton() -> provide helper class?
 656         const int blendSteps = 16;
 657
 658         QColor blendColor(backgroundColor);
 659         const int redInc   = (foregroundColor.red()   - backgroundColor.red())   / blendSteps;
 660         const int greenInc = (foregroundColor.green() - backgroundColor.green()) / blendSteps;
 661         const int blueInc  = (foregroundColor.blue()  - backgroundColor.blue())  / blendSteps;
 662         for (int i = 0; i < blendSteps; ++i) {
 663             painter.setClipRect(QRect(x + textWidth - i, 0, 1, buttonHeight));
 664             painter.setPen(blendColor);
 665             painter.drawText(QRect(x, 0, textWidth, buttonHeight), Qt::AlignVCenter, text());
 666
 667             blendColor.setRgb(blendColor.red()   + redInc,
 668                               blendColor.green() + greenInc,
 669                               blendColor.blue()  + blueInc);
 670         }
 671     }
 672 }
 673
 674 void ServiceButton::enterEvent(QEvent* event)
 675 {
 676     QPushButton::enterEvent(event);
 677     m_hover = true;
 678     update();
 679 }
 680
 681 void ServiceButton::leaveEvent(QEvent* event)
 682 {
 683     QPushButton::leaveEvent(event);
 684     m_hover = false;
 685     update();
 686 }
 687
 688 void ServiceButton::slotReleased()
 689 {
 690     emit requestServiceStart(m_index);
 691 }
 692
 693 #include "infosidebarpage.moc"