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 <assert.h>
  23 #include <q3popupmenu.h>
  24 #include <qpainter.h>
  25 #include <qpixmap.h>
  26
  27 #include <kiconloader.h>
  28 #include <kglobalsettings.h>
  29 #include <kbookmarkmanager.h>
  30
  31 #include "dolphinsettings.h"
  32 #include "urlnavigator.h"
  33
  34 BookmarkSelector::BookmarkSelector(UrlNavigator* parent) :
  35     UrlButton(parent),
  36     m_selectedIndex(0),
  37     m_urlNavigator(parent)
  38 {
  39     setFocusPolicy(Qt::NoFocus);
  40
  41     m_bookmarksMenu = new Q3PopupMenu(this);
  42
  43     KBookmarkGroup root = DolphinSettings::instance().bookmarkManager()->root();
  44     KBookmark bookmark = root.first();
  45     int i = 0;
  46     while (!bookmark.isNull()) {
  47         m_bookmarksMenu->insertItem(MainBarIcon(bookmark.icon()),
  48                                     bookmark.text(),
  49                                     i);
  50         if (i == m_selectedIndex) {
  51             QPixmap pixmap = SmallIcon(bookmark.icon());
  52             setIcon(QIcon(pixmap));
  53             setIconSize(pixmap.size());
  54             setMinimumWidth(pixmap.width() + 2);
  55         }
  56         bookmark = root.next(bookmark);
  57         ++i;
  58     }
  59
  60     connect(m_bookmarksMenu, SIGNAL(activated(int)),
  61             this, SLOT(slotBookmarkActivated(int)));
  62
  63     setMenu(m_bookmarksMenu);
  64 }
  65
  66 BookmarkSelector::~BookmarkSelector()
  67 {
  68 }
  69
  70 void BookmarkSelector::updateSelection(const KUrl& url)
  71 {
  72     KBookmarkGroup root = DolphinSettings::instance().bookmarkManager()->root();
  73     KBookmark bookmark = root.first();
  74
  75     int maxLength = 0;
  76     m_selectedIndex = -1;
  77
  78     // Search the bookmark which is equal to the Url or at least is a parent Url.
  79     // If there are more than one possible parent Url candidates, choose the bookmark
  80     // which covers the bigger range of the Url.
  81     int i = 0;
  82     while (!bookmark.isNull()) {
  83         const KUrl bookmarkUrl = bookmark.url();
  84         if (bookmarkUrl.isParentOf(url)) {
  85             const int length = bookmarkUrl.prettyUrl().length();
  86             if (length > maxLength) {
  87                 m_selectedIndex = i;
  88                 setIcon(SmallIcon(bookmark.icon()));
  89                 maxLength = length;
  90             }
  91         }
  92         bookmark = root.next(bookmark);
  93         ++i;
  94     }
  95
  96     if (m_selectedIndex < 0) {
  97         // No bookmark has been found which matches to the given Url. Show
  98         // a generic folder icon as pixmap for indication:
  99         setIcon(SmallIcon("folder"));
 100     }
 101 }
 102
 103 KBookmark BookmarkSelector::selectedBookmark() const
 104 {
 105     return DolphinSettings::instance().bookmark(m_selectedIndex);
 106 }
 107
 108 QSize BookmarkSelector::sizeHint() const
 109 {
 110     const int height = UrlButton::sizeHint().height();
 111     return QSize(height, height);
 112 }
 113
 114 void BookmarkSelector::paintEvent(QPaintEvent* /*event*/)
 115 {
 116     QPainter painter(this);
 117
 118     const int buttonWidth  = width();
 119     const int buttonHeight = height();
 120
 121     QColor backgroundColor;
 122     QColor foregroundColor;
 123     const bool isHighlighted = isDisplayHintEnabled(EnteredHint) ||
 124                                isDisplayHintEnabled(DraggedHint);
 125     if (isHighlighted) {
 126         backgroundColor = KGlobalSettings::highlightColor();
 127         foregroundColor = KGlobalSettings::highlightedTextColor();
 128     }
 129     else {
 130         backgroundColor = palette().brush(QPalette::Background).color();
 131         foregroundColor = KGlobalSettings::buttonTextColor();
 132     }
 133
 134     // dimm the colors if the parent view does not have the focus
 135     const bool isActive = m_urlNavigator->isActive();
 136     if (!isActive) {
 137         QColor dimmColor(palette().brush(QPalette::Background).color());
 138         foregroundColor = mixColors(foregroundColor, dimmColor);
 139         if (isHighlighted) {
 140             backgroundColor = mixColors(backgroundColor, dimmColor);
 141         }
 142     }
 143
 144     if (!(isDisplayHintEnabled(ActivatedHint) && isActive) && !isHighlighted) {
 145         // dimm the foreground color by mixing it with the background
 146         foregroundColor = mixColors(foregroundColor, backgroundColor);
 147         painter.setPen(foregroundColor);
 148     }
 149
 150     // draw button backround
 151     painter.setPen(Qt::NoPen);
 152     painter.setBrush(backgroundColor);
 153     painter.drawRect(0, 0, buttonWidth, buttonHeight);
 154
 155     // draw icon
 156     const QPixmap pixmap = icon().pixmap();
 157     const int x = (buttonWidth -  pixmap.width()) / 2;
 158     const int y = (buttonHeight - pixmap.height()) / 2;
 159     painter.drawPixmap(x, y, pixmap);
 160 }
 161
 162 void BookmarkSelector::slotBookmarkActivated(int index)
 163 {
 164     m_selectedIndex = index;
 165
 166     const KBookmark bookmark = selectedBookmark();
 167     setPixmap(SmallIcon(bookmark.icon()));
 168     emit bookmarkActivated(bookmark.url());
 169 }
 170
 171 #include "bookmarkselector.moc"
 172