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 <kfileplacesmodel.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, KFilePlacesModel* placesModel) :
  37     UrlButton(parent),
  38     m_selectedItem(-1),
  39     m_urlNavigator(parent),
  40     m_placesModel(placesModel)
  41 {
  42     setFocusPolicy(Qt::NoFocus);
  43
  44     m_placesMenu = new KMenu(this);
  45
  46     updateMenu();
  47
  48     connect(m_placesModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
  49             this, SLOT(updateMenu()));
  50     connect(m_placesModel, SIGNAL(rowsRemoved(const QModelIndex&, int, int)),
  51             this, SLOT(updateMenu()));
  52     connect(m_placesMenu, SIGNAL(triggered(QAction*)),
  53             this, SLOT(activatePlace(QAction*)));
  54
  55     setMenu(m_placesMenu);
  56 }
  57
  58 BookmarkSelector::~BookmarkSelector()
  59 {
  60 }
  61
  62 void BookmarkSelector::updateMenu()
  63 {
  64     m_placesMenu->clear();
  65
  66     for (int i=0; i<m_placesModel->rowCount(); ++i) {
  67         QModelIndex index = m_placesModel->index(i, 0);
  68         QAction* action = new QAction(m_placesModel->icon(index),
  69                                       m_placesModel->text(index),
  70                                       m_placesMenu);
  71         m_placesMenu->addAction(action);
  72
  73         action->setData(i);
  74
  75         if (i == m_selectedItem) {
  76             //QPixmap pixmap = SmallIcon(bookmark.icon());
  77             setIcon(m_placesModel->icon(index));
  78             //setIconSize(pixmap.size());
  79             //setMinimumWidth(pixmap.width() + 2);
  80         }
  81     }
  82 }
  83
  84 void BookmarkSelector::updateSelection(const KUrl& url)
  85 {
  86     QModelIndex index = m_placesModel->closestItem(url);
  87
  88     if (index.isValid()) {
  89         m_selectedItem = index.row();
  90         setIcon(m_placesModel->icon(index));
  91     }
  92     else {
  93         m_selectedItem = -1;
  94         // No bookmark has been found which matches to the given Url. Show
  95         // a generic folder icon as pixmap for indication:
  96         setIcon(KIcon("folder"));
  97     }
  98 }
  99
 100 KUrl BookmarkSelector::selectedPlaceUrl() const
 101 {
 102     QModelIndex index = m_placesModel->index(m_selectedItem, 0);
 103
 104     if (index.isValid())
 105         return m_placesModel->url(index);
 106     else
 107         return KUrl();
 108 }
 109
 110 QString BookmarkSelector::selectedPlaceText() const
 111 {
 112     QModelIndex index = m_placesModel->index(m_selectedItem, 0);
 113
 114     if (index.isValid())
 115         return m_placesModel->text(index);
 116     else
 117         return QString();
 118 }
 119
 120 QSize BookmarkSelector::sizeHint() const
 121 {
 122     const int height = UrlButton::sizeHint().height();
 123     return QSize(height, height);
 124 }
 125
 126 void BookmarkSelector::paintEvent(QPaintEvent* /*event*/)
 127 {
 128     QPainter painter(this);
 129
 130     const int buttonWidth  = width();
 131     const int buttonHeight = height();
 132
 133     QColor backgroundColor;
 134     QColor foregroundColor;
 135     const bool isHighlighted = isDisplayHintEnabled(EnteredHint) ||
 136                                isDisplayHintEnabled(DraggedHint);
 137     if (isHighlighted) {
 138         backgroundColor = KGlobalSettings::highlightColor();
 139         foregroundColor = KGlobalSettings::highlightedTextColor();
 140     }
 141     else {
 142         backgroundColor = palette().brush(QPalette::Background).color();
 143         foregroundColor = KGlobalSettings::buttonTextColor();
 144     }
 145
 146     // dimm the colors if the parent view does not have the focus
 147     const bool isActive = m_urlNavigator->isActive();
 148     if (!isActive) {
 149         QColor dimmColor(palette().brush(QPalette::Background).color());
 150         foregroundColor = mixColors(foregroundColor, dimmColor);
 151         if (isHighlighted) {
 152             backgroundColor = mixColors(backgroundColor, dimmColor);
 153         }
 154     }
 155
 156     if (!(isDisplayHintEnabled(ActivatedHint) && isActive) && !isHighlighted) {
 157         // dimm the foreground color by mixing it with the background
 158         foregroundColor = mixColors(foregroundColor, backgroundColor);
 159         painter.setPen(foregroundColor);
 160     }
 161
 162     // draw button backround
 163     painter.setPen(Qt::NoPen);
 164     painter.setBrush(backgroundColor);
 165     painter.drawRect(0, 0, buttonWidth, buttonHeight);
 166
 167     // draw icon
 168     const QPixmap pixmap = icon().pixmap();
 169     const int x = (buttonWidth -  pixmap.width()) / 2;
 170     const int y = (buttonHeight - pixmap.height()) / 2;
 171     painter.drawPixmap(x, y, pixmap);
 172 }
 173
 174 void BookmarkSelector::activatePlace(QAction* action)
 175 {
 176     assert(action != 0);
 177     m_selectedItem = action->data().toInt();
 178
 179     QModelIndex index = m_placesModel->index(m_selectedItem, 0);
 180
 181     if (index.isValid()) {
 182         setIcon(m_placesModel->icon(index));
 183         emit placeActivated(m_placesModel->url(index));
 184     }
 185 }
 186
 187 #include "bookmarkselector.moc"
 188