src/dolphindetailsview.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 #include "dolphindetailsview.h"
  22
  23 #include "dolphincontroller.h"
  24 #include "dolphinsettings.h"
  25 #include "dolphinsortfilterproxymodel.h"
  26 #include "viewproperties.h"
  27
  28 #include "dolphin_detailsmodesettings.h"
  29
  30 #include <kdirmodel.h>
  31 #include <kfileitemdelegate.h>
  32
  33 #include <QtGui/QHeaderView>
  34
  35 DolphinDetailsView::DolphinDetailsView(QWidget* parent, DolphinController* controller) :
  36     QTreeView(parent),
  37     m_controller(controller)
  38 {
  39     Q_ASSERT(controller != 0);
  40
  41     setAcceptDrops(true);
  42     setRootIsDecorated(false);
  43     setSortingEnabled(true);
  44     setUniformRowHeights(true);
  45     setSelectionBehavior(SelectItems);
  46     setDragDropMode(QAbstractItemView::DragDrop);
  47     setDropIndicatorShown(false);
  48
  49     setMouseTracking(true);
  50     viewport()->setAttribute(Qt::WA_Hover);
  51
  52     const ViewProperties props(controller->url());
  53     setSortIndicatorSection(props.sorting());
  54     setSortIndicatorOrder(props.sortOrder());
  55
  56     connect(header(), SIGNAL(sectionClicked(int)),
  57             this, SLOT(synchronizeSortingState(int)));
  58
  59     connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
  60             this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
  61     connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
  62             this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
  63
  64     if (KGlobalSettings::singleClick()) {
  65         connect(this, SIGNAL(clicked(const QModelIndex&)),
  66                 controller, SLOT(triggerItem(const QModelIndex&)));
  67     } else {
  68         connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
  69                 controller, SLOT(triggerItem(const QModelIndex&)));
  70     }
  71     connect(this, SIGNAL(activated(const QModelIndex&)),
  72             controller, SLOT(triggerItem(const QModelIndex&)));
  73     connect(this, SIGNAL(entered(const QModelIndex&)),
  74             this, SLOT(slotEntered(const QModelIndex&)));
  75     connect(this, SIGNAL(viewportEntered()),
  76             controller, SLOT(emitViewportEntered()));
  77     connect(controller, SIGNAL(zoomIn()),
  78             this, SLOT(zoomIn()));
  79     connect(controller, SIGNAL(zoomOut()),
  80             this, SLOT(zoomOut()));
  81
  82     // apply the details mode settings to the widget
  83     const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
  84     Q_ASSERT(settings != 0);
  85
  86     m_viewOptions = QTreeView::viewOptions();
  87
  88     QFont font(settings->fontFamily(), settings->fontSize());
  89     font.setItalic(settings->italicFont());
  90     font.setBold(settings->boldFont());
  91     m_viewOptions.font = font;
  92
  93     updateDecorationSize();
  94 }
  95
  96 DolphinDetailsView::~DolphinDetailsView()
  97 {}
  98
  99 bool DolphinDetailsView::event(QEvent* event)
 100 {
 101     if (event->type() == QEvent::Polish) {
 102         // Assure that by respecting the available width that:
 103         // - the 'Name' column is stretched as large as possible
 104         // - the remaining columns are as small as possible
 105         QHeaderView* headerView = header();
 106         headerView->setStretchLastSection(false);
 107         headerView->setResizeMode(QHeaderView::ResizeToContents);
 108         headerView->setResizeMode(0, QHeaderView::Stretch);
 109
 110         // hide columns if this is indicated by the settings
 111         const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 112         Q_ASSERT(settings != 0);
 113         if (!settings->showDate()) {
 114             hideColumn(KDirModel::ModifiedTime);
 115         }
 116
 117         if (!settings->showPermissions()) {
 118             hideColumn(KDirModel::Permissions);
 119         }
 120
 121         if (!settings->showOwner()) {
 122             hideColumn(KDirModel::Owner);
 123         }
 124
 125         if (!settings->showGroup()) {
 126             hideColumn(KDirModel::Group);
 127         }
 128
 129         if (!settings->showType()) {
 130             hideColumn(KDirModel::Type);
 131         }
 132     }
 133
 134     return QTreeView::event(event);
 135 }
 136
 137 QStyleOptionViewItem DolphinDetailsView::viewOptions() const
 138 {
 139     return m_viewOptions;
 140 }
 141
 142 void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
 143 {
 144     QTreeView::contextMenuEvent(event);
 145     m_controller->triggerContextMenuRequest(event->pos());
 146 }
 147
 148 void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
 149 {
 150     QTreeView::mouseReleaseEvent(event);
 151     m_controller->triggerActivation();
 152 }
 153
 154 void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
 155 {
 156     if (event->mimeData()->hasUrls()) {
 157         event->acceptProposedAction();
 158     }
 159 }
 160
 161 void DolphinDetailsView::dropEvent(QDropEvent* event)
 162 {
 163     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 164     if (!urls.isEmpty()) {
 165         event->acceptProposedAction();
 166         m_controller->indicateDroppedUrls(urls,
 167                                           indexAt(event->pos()),
 168                                           event->source());
 169     }
 170     QTreeView::dropEvent(event);
 171 }
 172
 173 void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
 174 {
 175     QHeaderView* headerView = header();
 176     headerView->setSortIndicator(sorting, headerView->sortIndicatorOrder());
 177 }
 178
 179 void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
 180 {
 181     QHeaderView* headerView = header();
 182     headerView->setSortIndicator(headerView->sortIndicatorSection(), sortOrder);
 183 }
 184
 185 void DolphinDetailsView::synchronizeSortingState(int column)
 186 {
 187     // The sorting has already been changed in QTreeView if this slot is
 188     // invoked, but Dolphin is not informed about this.
 189     DolphinView::Sorting sorting = DolphinSortFilterProxyModel::sortingForColumn(column);
 190     const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
 191     m_controller->indicateSortingChange(sorting);
 192     m_controller->indicateSortOrderChange(sortOrder);
 193 }
 194
 195 void DolphinDetailsView::slotEntered(const QModelIndex& index)
 196 {
 197     const QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
 198     const int nameColumnWidth = header()->sectionSize(KDirModel::Name);
 199     if (pos.x() < nameColumnWidth) {
 200         m_controller->emitItemEntered(index);
 201     }
 202     else {
 203         m_controller->emitViewportEntered();
 204     }
 205 }
 206
 207 void DolphinDetailsView::zoomIn()
 208 {
 209     if (isZoomInPossible()) {
 210         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 211         // TODO: get rid of K3Icon sizes
 212         switch (settings->iconSize()) {
 213         case K3Icon::SizeSmall:  settings->setIconSize(K3Icon::SizeMedium); break;
 214         case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeLarge); break;
 215         default: Q_ASSERT(false); break;
 216         }
 217         updateDecorationSize();
 218     }
 219 }
 220
 221 void DolphinDetailsView::zoomOut()
 222 {
 223     if (isZoomOutPossible()) {
 224         DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 225         // TODO: get rid of K3Icon sizes
 226         switch (settings->iconSize()) {
 227         case K3Icon::SizeLarge:  settings->setIconSize(K3Icon::SizeMedium); break;
 228         case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeSmall); break;
 229         default: Q_ASSERT(false); break;
 230         }
 231         updateDecorationSize();
 232     }
 233 }
 234
 235 bool DolphinDetailsView::isZoomInPossible() const
 236 {
 237     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 238     return settings->iconSize() < K3Icon::SizeLarge;
 239 }
 240
 241 bool DolphinDetailsView::isZoomOutPossible() const
 242 {
 243     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 244     return settings->iconSize() > K3Icon::SizeSmall;
 245 }
 246
 247 void DolphinDetailsView::updateDecorationSize()
 248 {
 249     DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
 250     const int iconSize = settings->iconSize();
 251     m_viewOptions.decorationSize = QSize(iconSize, iconSize);
 252
 253     m_controller->setZoomInPossible(isZoomInPossible());
 254     m_controller->setZoomOutPossible(isZoomOutPossible());
 255
 256     doItemsLayout();
 257 }
 258
 259 #include "dolphindetailsview.moc"