src/kfileplacesselector.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at)                  *
   3  *   Copyright (C) 2007 by Kevin Ottens (ervin@kde.org)                    *
   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 #include "kfileplacesselector_p.h"
  22
  23 #include "kurlnavigator.h"
  24
  25 #include <assert.h>
  26
  27 #include <kiconloader.h>
  28 #include <kglobalsettings.h>
  29 #include <kfileplacesmodel.h>
  30 #include <kmenu.h>
  31 #include <kdebug.h>
  32
  33 #include <QPainter>
  34 #include <QPixmap>
  35 #include <kicon.h>
  36
  37 KFilePlacesSelector::KFilePlacesSelector(KUrlNavigator* parent, KFilePlacesModel* placesModel) :
  38     KUrlButton(parent),
  39     m_selectedItem(-1),
  40     m_urlNavigator(parent),
  41     m_placesModel(placesModel)
  42 {
  43     setFocusPolicy(Qt::NoFocus);
  44
  45     m_placesMenu = new KMenu(this);
  46
  47     updateMenu();
  48
  49     connect(m_placesModel, SIGNAL(rowsInserted(const QModelIndex&, int, int)),
  50             this, SLOT(updateMenu()));
  51     connect(m_placesModel, SIGNAL(rowsRemoved(const QModelIndex&, int, int)),
  52             this, SLOT(updateMenu()));
  53     connect(m_placesMenu, SIGNAL(triggered(QAction*)),
  54             this, SLOT(activatePlace(QAction*)));
  55
  56     setMenu(m_placesMenu);
  57 }
  58
  59 KFilePlacesSelector::~KFilePlacesSelector()
  60 {
  61 }
  62
  63 void KFilePlacesSelector::updateMenu()
  64 {
  65     m_placesMenu->clear();
  66
  67     for (int i=0; i<m_placesModel->rowCount(); ++i) {
  68         QModelIndex index = m_placesModel->index(i, 0);
  69         QAction* action = new QAction(m_placesModel->icon(index),
  70                                       m_placesModel->text(index),
  71                                       m_placesMenu);
  72         m_placesMenu->addAction(action);
  73
  74         action->setData(i);
  75
  76         if (i == m_selectedItem) {
  77             //QPixmap pixmap = SmallIcon(bookmark.icon());
  78             setIcon(m_placesModel->icon(index));
  79             //setIconSize(pixmap.size());
  80             //setMinimumWidth(pixmap.width() + 2);
  81         }
  82     }
  83 }
  84
  85 void KFilePlacesSelector::updateSelection(const KUrl& url)
  86 {
  87     QModelIndex index = m_placesModel->closestItem(url);
  88
  89     if (index.isValid()) {
  90         m_selectedItem = index.row();
  91         setIcon(m_placesModel->icon(index));
  92     }
  93     else {
  94         m_selectedItem = -1;
  95         // No bookmark has been found which matches to the given Url. Show
  96         // a generic folder icon as pixmap for indication:
  97         setIcon(KIcon("folder"));
  98     }
  99 }
 100
 101 KUrl KFilePlacesSelector::selectedPlaceUrl() const
 102 {
 103     QModelIndex index = m_placesModel->index(m_selectedItem, 0);
 104
 105     if (index.isValid())
 106         return m_placesModel->url(index);
 107     else
 108         return KUrl();
 109 }
 110
 111 QString KFilePlacesSelector::selectedPlaceText() const
 112 {
 113     QModelIndex index = m_placesModel->index(m_selectedItem, 0);
 114
 115     if (index.isValid())
 116         return m_placesModel->text(index);
 117     else
 118         return QString();
 119 }
 120
 121 QSize KFilePlacesSelector::sizeHint() const
 122 {
 123     const int height = KUrlButton::sizeHint().height();
 124     return QSize(height, height);
 125 }
 126
 127 void KFilePlacesSelector::paintEvent(QPaintEvent* /*event*/)
 128 {
 129     QPainter painter(this);
 130
 131     const int buttonWidth  = width();
 132     const int buttonHeight = height();
 133
 134     QColor backgroundColor;
 135     QColor foregroundColor;
 136     const bool isHighlighted = isDisplayHintEnabled(EnteredHint) ||
 137                                isDisplayHintEnabled(DraggedHint);
 138     if (isHighlighted) {
 139         backgroundColor = KGlobalSettings::highlightColor();
 140         foregroundColor = KGlobalSettings::highlightedTextColor();
 141     }
 142     else {
 143         backgroundColor = palette().brush(QPalette::Background).color();
 144         foregroundColor = KGlobalSettings::buttonTextColor();
 145     }
 146
 147     // dimm the colors if the parent view does not have the focus
 148     const bool isActive = m_urlNavigator->isActive();
 149     if (!isActive) {
 150         QColor dimmColor(palette().brush(QPalette::Background).color());
 151         foregroundColor = mixColors(foregroundColor, dimmColor);
 152         if (isHighlighted) {
 153             backgroundColor = mixColors(backgroundColor, dimmColor);
 154         }
 155     }
 156
 157     if (!(isDisplayHintEnabled(ActivatedHint) && isActive) && !isHighlighted) {
 158         // dimm the foreground color by mixing it with the background
 159         foregroundColor = mixColors(foregroundColor, backgroundColor);
 160         painter.setPen(foregroundColor);
 161     }
 162
 163     // draw button backround
 164     painter.setPen(Qt::NoPen);
 165     painter.setBrush(backgroundColor);
 166     painter.drawRect(0, 0, buttonWidth, buttonHeight);
 167
 168     // draw icon
 169     const QPixmap pixmap = icon().pixmap();
 170     const int x = (buttonWidth -  pixmap.width()) / 2;
 171     const int y = (buttonHeight - pixmap.height()) / 2;
 172     painter.drawPixmap(x, y, pixmap);
 173 }
 174
 175 void KFilePlacesSelector::activatePlace(QAction* action)
 176 {
 177     assert(action != 0);
 178     m_selectedItem = action->data().toInt();
 179
 180     QModelIndex index = m_placesModel->index(m_selectedItem, 0);
 181
 182     if (index.isValid()) {
 183         setIcon(m_placesModel->icon(index));
 184         emit placeActivated(m_placesModel->url(index));
 185     }
 186 }
 187
 188 #include "kfileplacesselector_p.moc"
 189