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