src/dolphincolumnview.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 "dolphincolumnview.h"
  21
  22 #include "dolphincontroller.h"
  23 #include "dolphinsettings.h"
  24
  25 #include "dolphin_columnmodesettings.h"
  26
  27 #include <kdirmodel.h>
  28 #include <kfileitem.h>
  29 #include <kfileitemdelegate.h>
  30
  31 #include <QtGui/QAbstractProxyModel>
  32 #include <QtCore/QPoint>
  33
  34 DolphinColumnView::DolphinColumnView(QWidget* parent, DolphinController* controller) :
  35     QColumnView(parent),
  36     m_controller(controller)
  37 {
  38     Q_ASSERT(controller != 0);
  39
  40     setAcceptDrops(true);
  41     setSelectionBehavior(SelectItems);
  42     setDragDropMode(QAbstractItemView::DragDrop);
  43     setDropIndicatorShown(false);
  44
  45     setMouseTracking(true);
  46     viewport()->setAttribute(Qt::WA_Hover);
  47
  48     if (KGlobalSettings::singleClick()) {
  49         connect(this, SIGNAL(clicked(const QModelIndex&)),
  50                 controller, SLOT(triggerItem(const QModelIndex&)));
  51     } else {
  52         connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
  53                 controller, SLOT(triggerItem(const QModelIndex&)));
  54     }
  55     connect(this, SIGNAL(activated(const QModelIndex&)),
  56             controller, SLOT(triggerItem(const QModelIndex&)));
  57     connect(this, SIGNAL(entered(const QModelIndex&)),
  58             controller, SLOT(emitItemEntered(const QModelIndex&)));
  59     connect(this, SIGNAL(viewportEntered()),
  60             controller, SLOT(emitViewportEntered()));
  61     connect(controller, SIGNAL(zoomIn()),
  62             this, SLOT(zoomIn()));
  63     connect(controller, SIGNAL(zoomOut()),
  64             this, SLOT(zoomOut()));
  65
  66     // apply the column mode settings to the widget
  67     const ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
  68     Q_ASSERT(settings != 0);
  69
  70     m_viewOptions = QColumnView::viewOptions();
  71
  72     QFont font(settings->fontFamily(), settings->fontSize());
  73     font.setItalic(settings->italicFont());
  74     font.setBold(settings->boldFont());
  75     m_viewOptions.font = font;
  76
  77     updateDecorationSize();
  78 }
  79
  80 DolphinColumnView::~DolphinColumnView()
  81 {
  82 }
  83
  84 QStyleOptionViewItem DolphinColumnView::viewOptions() const
  85 {
  86     return m_viewOptions;
  87 }
  88
  89 void DolphinColumnView::contextMenuEvent(QContextMenuEvent* event)
  90 {
  91     QColumnView::contextMenuEvent(event);
  92     m_controller->triggerContextMenuRequest(event->pos());
  93 }
  94
  95 void DolphinColumnView::mouseReleaseEvent(QMouseEvent* event)
  96 {
  97     QColumnView::mouseReleaseEvent(event);
  98     m_controller->triggerActivation();
  99 }
 100
 101 void DolphinColumnView::dragEnterEvent(QDragEnterEvent* event)
 102 {
 103     if (event->mimeData()->hasUrls()) {
 104         event->acceptProposedAction();
 105     }
 106 }
 107
 108 void DolphinColumnView::dropEvent(QDropEvent* event)
 109 {
 110     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 111     if (!urls.isEmpty()) {
 112         m_controller->indicateDroppedUrls(urls,
 113                                           indexAt(event->pos()),
 114                                           event->source());
 115         event->acceptProposedAction();
 116     }
 117     QColumnView::dropEvent(event);
 118 }
 119
 120 void DolphinColumnView::zoomIn()
 121 {
 122     if (isZoomInPossible()) {
 123         ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 124         // TODO: get rid of K3Icon sizes
 125         switch (settings->iconSize()) {
 126         case K3Icon::SizeSmall:  settings->setIconSize(K3Icon::SizeMedium); break;
 127         case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeLarge); break;
 128         default: Q_ASSERT(false); break;
 129         }
 130         updateDecorationSize();
 131     }
 132 }
 133
 134 void DolphinColumnView::zoomOut()
 135 {
 136     if (isZoomOutPossible()) {
 137         ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 138         // TODO: get rid of K3Icon sizes
 139         switch (settings->iconSize()) {
 140         case K3Icon::SizeLarge:  settings->setIconSize(K3Icon::SizeMedium); break;
 141         case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeSmall); break;
 142         default: Q_ASSERT(false); break;
 143         }
 144         updateDecorationSize();
 145     }
 146 }
 147
 148 bool DolphinColumnView::isZoomInPossible() const
 149 {
 150     ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 151     return settings->iconSize() < K3Icon::SizeLarge;
 152 }
 153
 154 bool DolphinColumnView::isZoomOutPossible() const
 155 {
 156     ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 157     return settings->iconSize() > K3Icon::SizeSmall;
 158 }
 159
 160 void DolphinColumnView::updateDecorationSize()
 161 {
 162     ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 163     const int iconSize = settings->iconSize();
 164     m_viewOptions.decorationSize = QSize(iconSize, iconSize);
 165
 166     m_controller->setZoomInPossible(isZoomInPossible());
 167     m_controller->setZoomOutPossible(isZoomOutPossible());
 168
 169     doItemsLayout();
 170 }
 171
 172 #include "dolphincolumnview.moc"