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     viewport()->setAttribute(Qt::WA_Hover);
  41
  42     connect(this, SIGNAL(clicked(const QModelIndex&)),
  43             controller, SLOT(triggerItem(const QModelIndex&)));
  44     connect(this, SIGNAL(activated(const QModelIndex&)),
  45             controller, SLOT(triggerItem(const QModelIndex&)));
  46     connect(controller, SIGNAL(zoomIn()),
  47             this, SLOT(zoomIn()));
  48     connect(controller, SIGNAL(zoomOut()),
  49             this, SLOT(zoomOut()));
  50
  51    // apply the column mode settings to the widget
  52     const ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
  53     Q_ASSERT(settings != 0);
  54
  55     m_viewOptions = QColumnView::viewOptions();
  56
  57     QFont font(settings->fontFamily(), settings->fontSize());
  58     font.setItalic(settings->italicFont());
  59     font.setBold(settings->boldFont());
  60     m_viewOptions.font = font;
  61
  62     updateDecorationSize();
  63 }
  64
  65 DolphinColumnView::~DolphinColumnView()
  66 {
  67 }
  68
  69 QStyleOptionViewItem DolphinColumnView::viewOptions() const
  70 {
  71     return m_viewOptions;
  72 }
  73
  74 void DolphinColumnView::contextMenuEvent(QContextMenuEvent* event)
  75 {
  76     QColumnView::contextMenuEvent(event);
  77     m_controller->triggerContextMenuRequest(event->pos());
  78 }
  79
  80 void DolphinColumnView::mouseReleaseEvent(QMouseEvent* event)
  81 {
  82     QColumnView::mouseReleaseEvent(event);
  83     m_controller->triggerActivation();
  84 }
  85
  86 void DolphinColumnView::dragEnterEvent(QDragEnterEvent* event)
  87 {
  88     if (event->mimeData()->hasUrls()) {
  89         event->acceptProposedAction();
  90     }
  91 }
  92
  93 void DolphinColumnView::dropEvent(QDropEvent* event)
  94 {
  95     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
  96     if (!urls.isEmpty()) {
  97         m_controller->indicateDroppedUrls(urls,
  98                                           indexAt(event->pos()),
  99                                           event->source());
 100         event->acceptProposedAction();
 101     }
 102     QColumnView::dropEvent(event);
 103 }
 104
 105 void DolphinColumnView::zoomIn()
 106 {
 107     if (isZoomInPossible()) {
 108         ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 109         // TODO: get rid of K3Icon sizes
 110         switch (settings->iconSize()) {
 111             case K3Icon::SizeSmall:  settings->setIconSize(K3Icon::SizeMedium); break;
 112             case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeLarge); break;
 113             default: Q_ASSERT(false); break;
 114         }
 115         updateDecorationSize();
 116     }
 117 }
 118
 119 void DolphinColumnView::zoomOut()
 120 {
 121    if (isZoomOutPossible()) {
 122         ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 123         // TODO: get rid of K3Icon sizes
 124         switch (settings->iconSize()) {
 125             case K3Icon::SizeLarge:  settings->setIconSize(K3Icon::SizeMedium); break;
 126             case K3Icon::SizeMedium: settings->setIconSize(K3Icon::SizeSmall); break;
 127             default: Q_ASSERT(false); break;
 128         }
 129         updateDecorationSize();
 130     }
 131 }
 132
 133 bool DolphinColumnView::isZoomInPossible() const
 134 {
 135     ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 136     return settings->iconSize() < K3Icon::SizeLarge;
 137 }
 138
 139 bool DolphinColumnView::isZoomOutPossible() const
 140 {
 141     ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 142     return settings->iconSize() > K3Icon::SizeSmall;
 143 }
 144
 145 void DolphinColumnView::updateDecorationSize()
 146 {
 147     ColumnModeSettings* settings = DolphinSettings::instance().columnModeSettings();
 148     const int iconSize = settings->iconSize();
 149     m_viewOptions.decorationSize = QSize(iconSize, iconSize);
 150
 151     m_controller->setZoomInPossible(isZoomInPossible());
 152     m_controller->setZoomOutPossible(isZoomOutPossible());
 153
 154     doItemsLayout();
 155 }
 156
 157 #include "dolphincolumnview.moc"