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