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
  79 QStyleOptionViewItem DolphinColumnView::viewOptions() const
  80 {
  81     return m_viewOptions;
  82 }
  83
  84 void DolphinColumnView::contextMenuEvent(QContextMenuEvent* event)
  85 {
  86     QColumnView::contextMenuEvent(event);
  87     m_controller->triggerContextMenuRequest(event->pos());
  88 }
  89
  90 void DolphinColumnView::mouseReleaseEvent(QMouseEvent* event)
  91 {
  92     QColumnView::mouseReleaseEvent(event);
  93     m_controller->triggerActivation();
  94 }
  95
  96 void DolphinColumnView::dragEnterEvent(QDragEnterEvent* event)
  97 {
  98     if (event->mimeData()->hasUrls()) {
  99         event->acceptProposedAction();
 100     }
 101 }
 102
 103 void DolphinColumnView::dropEvent(QDropEvent* event)
 104 {
 105     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
 106     if (!urls.isEmpty()) {
 107         m_controller->indicateDroppedUrls(urls,
 108                                           indexAt(event->pos()),
 109                                           event->source());
 110         event->acceptProposedAction();
 111     }
 112     QColumnView::dropEvent(event);
 113 }
 114
 115 void DolphinColumnView::zoomIn()
 116 {
 117     if (isZoomInPossible()) {
 118         ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 119         // TODO: get rid of K3Icon sizes
 120         switch (settings->iconSize()) {
 121         case K3Icon::SizeSmall:  settings->setIconSize(K3Icon::SizeMedium); break;
 122         case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeLarge); break;
 123         default: Q_ASSERT(false); break;
 124         }
 125         updateDecorationSize();
 126     }
 127 }
 128
 129 void DolphinColumnView::zoomOut()
 130 {
 131     if (isZoomOutPossible()) {
 132         ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 133         // TODO: get rid of K3Icon sizes
 134         switch (settings->iconSize()) {
 135         case K3Icon::SizeLarge:  settings->setIconSize(K3Icon::SizeMedium); break;
 136         case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeSmall); break;
 137         default: Q_ASSERT(false); break;
 138         }
 139         updateDecorationSize();
 140     }
 141 }
 142
 143 bool DolphinColumnView::isZoomInPossible() const
 144 {
 145     ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 146     return settings->iconSize() < K3Icon::SizeLarge;
 147 }
 148
 149 bool DolphinColumnView::isZoomOutPossible() const
 150 {
 151     ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 152     return settings->iconSize() > K3Icon::SizeSmall;
 153 }
 154
 155 void DolphinColumnView::updateDecorationSize()
 156 {
 157     ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 158     const int iconSize = settings->iconSize();
 159     m_viewOptions.decorationSize = QSize(iconSize, iconSize);
 160
 161     m_controller->setZoomInPossible(isZoomInPossible());
 162     m_controller->setZoomOutPossible(isZoomOutPossible());
 163
 164     doItemsLayout();
 165 }
 166
 167 #include "dolphincolumnview.moc"