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  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, 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             setPixmap(pixmap);
  55             setMinimumWidth(pixmap.width() + 2);
  56         }
  57         bookmark = root.next(bookmark);
  58         ++i;
  59     }
  60
  61     connect(m_bookmarksMenu, SIGNAL(activated(int)),
  62             this, SLOT(slotBookmarkActivated(int)));
  63
  64     setPopup(m_bookmarksMenu);
  65 }
  66
  67 BookmarkSelector::~BookmarkSelector()
  68 {
  69 }
  70
  71 void BookmarkSelector::updateSelection(const KUrl& url)
  72 {
  73     KBookmarkGroup root = DolphinSettings::instance().bookmarkManager()->root();
  74     KBookmark bookmark = root.first();
  75
  76     int maxLength = 0;
  77     m_selectedIndex = -1;
  78
  79     // Search the bookmark which is equal to the Url or at least is a parent Url.
  80     // If there are more than one possible parent Url candidates, choose the bookmark
  81     // which covers the bigger range of the Url.
  82     int i = 0;
  83     while (!bookmark.isNull()) {
  84         const KUrl bookmarkUrl = bookmark.url();
  85         if (bookmarkUrl.isParentOf(url)) {
  86             const int length = bookmarkUrl.prettyUrl().length();
  87             if (length > maxLength) {
  88                 m_selectedIndex = i;
  89                 setPixmap(SmallIcon(bookmark.icon()));
  90                 maxLength = length;
  91             }
  92         }
  93         bookmark = root.next(bookmark);
  94         ++i;
  95     }
  96
  97     if (m_selectedIndex < 0) {
  98         // No bookmark has been found which matches to the given Url. Show
  99         // a generic folder icon as pixmap for indication:
 100         setPixmap(SmallIcon("folder"));
 101     }
 102 }
 103
 104 KBookmark BookmarkSelector::selectedBookmark() const
 105 {
 106     return DolphinSettings::instance().bookmark(m_selectedIndex);
 107 }
 108
 109 QSize BookmarkSelector::sizeHint() const
 110 {
 111     const int height = UrlButton::sizeHint().height();
 112     return QSize(height, height);
 113 }
 114
 115 void BookmarkSelector::paintEvent(QPaintEvent* event)
 116 {
 117     QPainter painter(this);
 118
 119     const int buttonWidth  = width();
 120     const int buttonHeight = height();
 121
 122     QColor backgroundColor;
 123     QColor foregroundColor;
 124     const bool isHighlighted = isDisplayHintEnabled(EnteredHint) ||
 125                                isDisplayHintEnabled(DraggedHint);
 126     if (isHighlighted) {
 127         backgroundColor = KGlobalSettings::highlightColor();
 128         foregroundColor = KGlobalSettings::highlightedTextColor();
 129     }
 130     else {
 131         backgroundColor = colorGroup().background();
 132         foregroundColor = KGlobalSettings::buttonTextColor();
 133     }
 134
 135     // dimm the colors if the parent view does not have the focus
 136     const DolphinView* parentView = urlNavigator()->dolphinView();
 137     const DolphinMainWindow* dolphin = parentView->mainWindow();
 138
 139     const bool isActive = (dolphin->activeView() == parentView);
 140     if (!isActive) {
 141         QColor dimmColor(colorGroup().background());
 142         foregroundColor = mixColors(foregroundColor, dimmColor);
 143         if (isHighlighted) {
 144             backgroundColor = mixColors(backgroundColor, dimmColor);
 145         }
 146     }
 147
 148     if (!(isDisplayHintEnabled(ActivatedHint) && isActive) && !isHighlighted) {
 149         // dimm the foreground color by mixing it with the background
 150         foregroundColor = mixColors(foregroundColor, backgroundColor);
 151         painter.setPen(foregroundColor);
 152     }
 153
 154     // draw button backround
 155     painter.setPen(Qt::NoPen);
 156     painter.setBrush(backgroundColor);
 157     painter.drawRect(0, 0, buttonWidth, buttonHeight);
 158
 159     // draw icon
 160     const QPixmap pixmap = icon().pixmap();
 161     const int x = (buttonWidth -  pixmap.width()) / 2;
 162     const int y = (buttonHeight - pixmap.height()) / 2;
 163     painter.drawPixmap(x, y, pixmap);
 164 }
 165
 166 void BookmarkSelector::slotBookmarkActivated(int index)
 167 {
 168     m_selectedIndex = index;
 169
 170     KBookmark bookmark = selectedBookmark();
 171     setPixmap(SmallIcon(bookmark.icon()));
 172
 173     emit bookmarkActivated(index);
 174 }
 175
 176 #include "bookmarkselector.moc"
 177