src/bookmarkselector.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz                                      *
   3  *   peter.penz@gmx.at                                                     *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  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 "bookmarkselector.h"
  32 #include "dolphinsettings.h"
  33 #include "dolphinview.h"
  34 #include "dolphinmainwindow.h"
  35 #include "urlnavigator.h"
  36
  37 BookmarkSelector::BookmarkSelector(UrlNavigator* parent) :
  38     UrlButton(parent),
  39     m_selectedIndex(0)
  40 {
  41     setFocusPolicy(Qt::NoFocus);
  42
  43     m_bookmarksMenu = new Q3PopupMenu(this);
  44
  45     KBookmarkGroup root = DolphinSettings::instance().bookmarkManager()->root();
  46     KBookmark bookmark = root.first();
  47     int i = 0;
  48     while (!bookmark.isNull()) {
  49         m_bookmarksMenu->insertItem(MainBarIcon(bookmark.icon()),
  50                                     bookmark.text(),
  51                                     i);
  52         if (i == m_selectedIndex) {
  53             QPixmap pixmap = SmallIcon(bookmark.icon());
  54             setIcon(QIcon(pixmap));
  55             setIconSize(pixmap.size());
  56             setMinimumWidth(pixmap.width() + 2);
  57         }
  58         bookmark = root.next(bookmark);
  59         ++i;
  60     }
  61
  62     connect(m_bookmarksMenu, SIGNAL(activated(int)),
  63             this, SLOT(slotBookmarkActivated(int)));
  64
  65     setMenu(m_bookmarksMenu);
  66 }
  67
  68 BookmarkSelector::~BookmarkSelector()
  69 {
  70 }
  71
  72 void BookmarkSelector::updateSelection(const KUrl& url)
  73 {
  74     KBookmarkGroup root = DolphinSettings::instance().bookmarkManager()->root();
  75     KBookmark bookmark = root.first();
  76
  77     int maxLength = 0;
  78     m_selectedIndex = -1;
  79
  80     // Search the bookmark which is equal to the Url or at least is a parent Url.
  81     // If there are more than one possible parent Url candidates, choose the bookmark
  82     // which covers the bigger range of the Url.
  83     int i = 0;
  84     while (!bookmark.isNull()) {
  85         const KUrl bookmarkUrl = bookmark.url();
  86         if (bookmarkUrl.isParentOf(url)) {
  87             const int length = bookmarkUrl.prettyUrl().length();
  88             if (length > maxLength) {
  89                 m_selectedIndex = i;
  90                 setIcon(SmallIcon(bookmark.icon()));
  91                 maxLength = length;
  92             }
  93         }
  94         bookmark = root.next(bookmark);
  95         ++i;
  96     }
  97
  98     if (m_selectedIndex < 0) {
  99         // No bookmark has been found which matches to the given Url. Show
 100         // a generic folder icon as pixmap for indication:
 101         setIcon(SmallIcon("folder"));
 102     }
 103 }
 104
 105 KBookmark BookmarkSelector::selectedBookmark() const
 106 {
 107     return DolphinSettings::instance().bookmark(m_selectedIndex);
 108 }
 109
 110 QSize BookmarkSelector::sizeHint() const
 111 {
 112     const int height = UrlButton::sizeHint().height();
 113     return QSize(height, height);
 114 }
 115
 116 void BookmarkSelector::paintEvent(QPaintEvent* event)
 117 {
 118     QPainter painter(this);
 119
 120     const int buttonWidth  = width();
 121     const int buttonHeight = height();
 122
 123     QColor backgroundColor;
 124     QColor foregroundColor;
 125     const bool isHighlighted = isDisplayHintEnabled(EnteredHint) ||
 126                                isDisplayHintEnabled(DraggedHint);
 127     if (isHighlighted) {
 128         backgroundColor = KGlobalSettings::highlightColor();
 129         foregroundColor = KGlobalSettings::highlightedTextColor();
 130     }
 131     else {
 132         backgroundColor = palette().brush(QPalette::Background).color();
 133         foregroundColor = KGlobalSettings::buttonTextColor();
 134     }
 135
 136     // dimm the colors if the parent view does not have the focus
 137     const DolphinView* parentView = urlNavigator()->dolphinView();
 138     const DolphinMainWindow* dolphin = parentView->mainWindow();
 139
 140     const bool isActive = (dolphin->activeView() == parentView);
 141     if (!isActive) {
 142         QColor dimmColor(palette().brush(QPalette::Background).color());
 143         foregroundColor = mixColors(foregroundColor, dimmColor);
 144         if (isHighlighted) {
 145             backgroundColor = mixColors(backgroundColor, dimmColor);
 146         }
 147     }
 148
 149     if (!(isDisplayHintEnabled(ActivatedHint) && isActive) && !isHighlighted) {
 150         // dimm the foreground color by mixing it with the background
 151         foregroundColor = mixColors(foregroundColor, backgroundColor);
 152         painter.setPen(foregroundColor);
 153     }
 154
 155     // draw button backround
 156     painter.setPen(Qt::NoPen);
 157     painter.setBrush(backgroundColor);
 158     painter.drawRect(0, 0, buttonWidth, buttonHeight);
 159
 160     // draw icon
 161     const QPixmap pixmap = icon().pixmap();
 162     const int x = (buttonWidth -  pixmap.width()) / 2;
 163     const int y = (buttonHeight - pixmap.height()) / 2;
 164     painter.drawPixmap(x, y, pixmap);
 165 }
 166
 167 void BookmarkSelector::slotBookmarkActivated(int index)
 168 {
 169     m_selectedIndex = index;
 170
 171     KBookmark bookmark = selectedBookmark();
 172     setPixmap(SmallIcon(bookmark.icon()));
 173
 174     emit bookmarkActivated(index);
 175 }
 176
 177 #include "bookmarkselector.moc"
 178