src/bookmarkselector.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 "bookmarkselector.h"
  21
  22 #include "urlnavigator.h"
  23
  24 #include <assert.h>
  25
  26 #include <kiconloader.h>
  27 #include <kglobalsettings.h>
  28 #include <kbookmarkmanager.h>
  29 #include <kmenu.h>
  30 #include <kdebug.h>
  31
  32 #include <QPainter>
  33 #include <QPixmap>
  34 #include <kicon.h>
  35
  36 BookmarkSelector::BookmarkSelector(UrlNavigator* parent, KBookmarkManager* bookmarkManager) :
  37     UrlButton(parent),
  38     m_selectedAddress(),
  39     m_urlNavigator(parent),
  40     m_bookmarkManager(bookmarkManager)
  41 {
  42     setFocusPolicy(Qt::NoFocus);
  43
  44     m_bookmarksMenu = new KMenu(this);
  45
  46     KBookmarkGroup root = m_bookmarkManager->root();
  47     KBookmark bookmark = root.first();
  48     int i = 0;
  49     while (!bookmark.isNull()) {
  50         QAction* action = new QAction(MainBarIcon(bookmark.icon()),
  51                                       bookmark.text(),
  52                                       this);
  53         m_bookmarksMenu->addAction(action);
  54         QString address = QChar('/');
  55         address += QString::number(i);
  56         action->setData(address);
  57         if (address == m_selectedAddress) {
  58             QPixmap pixmap = SmallIcon(bookmark.icon());
  59             setIcon(QIcon(pixmap));
  60             setIconSize(pixmap.size());
  61             setMinimumWidth(pixmap.width() + 2);
  62         }
  63         bookmark = root.next(bookmark);
  64         ++i;
  65     }
  66
  67     connect(m_bookmarksMenu, SIGNAL(triggered(QAction*)),
  68             this, SLOT(activateBookmark(QAction*)));
  69
  70     setMenu(m_bookmarksMenu);
  71 }
  72
  73 BookmarkSelector::~BookmarkSelector()
  74 {
  75 }
  76
  77 void BookmarkSelector::updateSelection(const KUrl& url)
  78 {
  79     KBookmark bookmark = m_bookmarkManager->root().closestBookmark(url);
  80     if (!bookmark.isNull()) {
  81         m_selectedAddress = bookmark.address();
  82         setIcon(KIcon(bookmark.icon()));
  83     }
  84     else {
  85         m_selectedAddress = QString();
  86         // No bookmark has been found which matches to the given Url. Show
  87         // a generic folder icon as pixmap for indication:
  88         setIcon(KIcon("folder"));
  89     }
  90 }
  91
  92 KBookmark BookmarkSelector::selectedBookmark() const
  93 {
  94     return m_bookmarkManager->findByAddress(m_selectedAddress);
  95 }
  96
  97 QSize BookmarkSelector::sizeHint() const
  98 {
  99     const int height = UrlButton::sizeHint().height();
 100     return QSize(height, height);
 101 }
 102
 103 void BookmarkSelector::paintEvent(QPaintEvent* /*event*/)
 104 {
 105     QPainter painter(this);
 106
 107     const int buttonWidth  = width();
 108     const int buttonHeight = height();
 109
 110     QColor backgroundColor;
 111     QColor foregroundColor;
 112     const bool isHighlighted = isDisplayHintEnabled(EnteredHint) ||
 113                                isDisplayHintEnabled(DraggedHint);
 114     if (isHighlighted) {
 115         backgroundColor = KGlobalSettings::highlightColor();
 116         foregroundColor = KGlobalSettings::highlightedTextColor();
 117     }
 118     else {
 119         backgroundColor = palette().brush(QPalette::Background).color();
 120         foregroundColor = KGlobalSettings::buttonTextColor();
 121     }
 122
 123     // dimm the colors if the parent view does not have the focus
 124     const bool isActive = m_urlNavigator->isActive();
 125     if (!isActive) {
 126         QColor dimmColor(palette().brush(QPalette::Background).color());
 127         foregroundColor = mixColors(foregroundColor, dimmColor);
 128         if (isHighlighted) {
 129             backgroundColor = mixColors(backgroundColor, dimmColor);
 130         }
 131     }
 132
 133     if (!(isDisplayHintEnabled(ActivatedHint) && isActive) && !isHighlighted) {
 134         // dimm the foreground color by mixing it with the background
 135         foregroundColor = mixColors(foregroundColor, backgroundColor);
 136         painter.setPen(foregroundColor);
 137     }
 138
 139     // draw button backround
 140     painter.setPen(Qt::NoPen);
 141     painter.setBrush(backgroundColor);
 142     painter.drawRect(0, 0, buttonWidth, buttonHeight);
 143
 144     // draw icon
 145     const QPixmap pixmap = icon().pixmap();
 146     const int x = (buttonWidth -  pixmap.width()) / 2;
 147     const int y = (buttonHeight - pixmap.height()) / 2;
 148     painter.drawPixmap(x, y, pixmap);
 149 }
 150
 151 void BookmarkSelector::activateBookmark(QAction* action)
 152 {
 153     assert(action != 0);
 154     m_selectedAddress = action->data().toString();
 155
 156     const KBookmark bookmark = selectedBookmark();
 157     setPixmap(SmallIcon(bookmark.icon()));
 158     emit bookmarkActivated(bookmark.url());
 159 }
 160
 161 #include "bookmarkselector.moc"
 162