File indexing completed on 2023-10-01 08:44:29

 /***************************************************************************
     This is the shares view of Smb4K.
                              -------------------
     begin                : Mo Dez 4 2006
     copyright            : (C) 2006-2019 by Alexander Reinholdt
     email                : alexander.reinholdt@kdemail.net
  ***************************************************************************/
 
 /***************************************************************************
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  *   This program is distributed in the hope that it will be useful, but   *
  *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
  *   General Public License for more details.                              *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston,*
  *   MA 02110-1335, USA                                                    *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
 
 // application specific includes
 #include "smb4ksharesview.h"
 #include "smb4ksharesviewitem.h"
 #include "smb4ktooltip.h"
 #include "core/smb4kshare.h"
 #include "core/smb4ksettings.h"
 
 // Qt includes
 #include <QMouseEvent>
 #include <QWheelEvent>
 #include <QDrag>
 #include <QDesktopWidget>
 #include <QApplication>
 
 // KDE includes
 #include <KIconThemes/KIconLoader>
 
 
 Smb4KSharesView::Smb4KSharesView(QWidget *parent)
 : QListWidget(parent)
 {
   setMouseTracking(true);
   setSelectionMode(ExtendedSelection);
   setResizeMode(Adjust);
   setSortingEnabled(true);
   setWordWrap(true);
   setAcceptDrops(true);
   setDragEnabled(true);
   setDropIndicatorShown(true);
   setUniformItemSizes(true);
   setWrapping(true);
   
   setContextMenuPolicy(Qt::CustomContextMenu);
 
   m_tooltipItem = 0;
   m_mouseInside = false;
 
   // 
   // Connections
   // 
   connect(this, SIGNAL(itemEntered(QListWidgetItem*)), this, SLOT(slotItemEntered(QListWidgetItem*)));
   connect(this, SIGNAL(viewportEntered()), this, SLOT(slotViewportEntered()));
 }
 
 
 Smb4KSharesView::~Smb4KSharesView()
 {
 }
 
 
 void Smb4KSharesView::setViewMode(QListView::ViewMode mode, int iconSize)
 {
   //
   // Set the view mode
   //
   QListWidget::setViewMode(mode);
   
   //
   // Make adjustments
   //
   switch(mode)
   {
     case IconMode:
     {
       setUniformItemSizes(true);
       setIconSize(QSize(iconSize, iconSize));
       setSpacing(5);
       break;
     }
     case ListMode:
     {
       setUniformItemSizes(false);
       setIconSize(QSize(iconSize, iconSize));
       setSpacing(0);
       break;
     }
     default:
     {
       break;
     }
   }
   
   //
   // Align the items 
   //
   for (int i = 0; i < count(); ++i)
   {
     Smb4KSharesViewItem *viewItem = static_cast<Smb4KSharesViewItem *>(item(i));
     viewItem->setItemAlignment(mode);
   }
 }
 
 
 bool Smb4KSharesView::event(QEvent *e)
 {
   switch (e->type())
   {
     case QEvent::ToolTip:
     {
       // Intercept the tool tip event and show our own tool tip.
       QPoint pos = viewport()->mapFromGlobal(cursor().pos());
       Smb4KSharesViewItem *item = static_cast<Smb4KSharesViewItem *>(itemAt(pos));
       
       if (item)
       {
         if (Smb4KSettings::showShareToolTip())
         {
           m_tooltipItem = item;
           emit aboutToShowToolTip(m_tooltipItem);
           m_tooltipItem->tooltip()->show(cursor().pos());
         }
         else
         {
           if (m_tooltipItem)
           {
             emit aboutToHideToolTip(m_tooltipItem);
             m_tooltipItem->tooltip()->hide();
             m_tooltipItem = 0;
           }
         }
       }
       else
       {
         if (m_tooltipItem)
         {
           emit aboutToHideToolTip(m_tooltipItem);
           m_tooltipItem->tooltip()->hide();
           m_tooltipItem = 0;
         }
       }
 
       break;
     }
     default:
     {
       break;
     }
   }
 
   return QListWidget::event(e);
 }
 
 
 void Smb4KSharesView::leaveEvent(QEvent *e)
 {
   if (m_tooltipItem)
   {
     emit aboutToHideToolTip(m_tooltipItem);
     m_tooltipItem->tooltip()->hide();
     m_tooltipItem = 0;
   }
   
   m_mouseInside = false;
   QListWidget::leaveEvent(e);
 }
 
 
 void Smb4KSharesView::enterEvent(QEvent *e)
 {
   m_mouseInside = true;
   QListWidget::enterEvent(e);
 }
 
 
 void Smb4KSharesView::mousePressEvent(QMouseEvent *e)
 {
   // Hide the current tool tip so that it is not in the way.
   if (m_tooltipItem)
   {
     emit aboutToHideToolTip(m_tooltipItem);
     m_tooltipItem->tooltip()->hide();
     m_tooltipItem = 0;
   }
 
   // Get the item that is under the mouse. If there is no
   // item, unselect the current item.
   QListWidgetItem *item = itemAt(e->pos());
 
   if (!item && !selectedItems().isEmpty())
   {
     clearSelection();
     setCurrentItem(0);
     emit itemPressed(currentItem());
   }
 
   QListWidget::mousePressEvent(e);
 }
 
 
 void Smb4KSharesView::focusOutEvent(QFocusEvent *e)
 {
   QListWidget::focusOutEvent(e);
 }
 
 
 void Smb4KSharesView::wheelEvent(QWheelEvent *e)
 {
   if (m_tooltipItem)
   {
     emit aboutToHideToolTip(m_tooltipItem);
     m_tooltipItem->tooltip()->hide();
     m_tooltipItem = 0;
   }
   
   QListWidget::wheelEvent(e);
 }
 
 
 void Smb4KSharesView::dragEnterEvent(QDragEnterEvent *e)
 {
   if (e->mimeData()->hasUrls())
   {
     e->accept();
   }
   else
   {
     e->ignore();
   }
 }
 
 
 void Smb4KSharesView::dragMoveEvent(QDragMoveEvent *e)
 {
   // Let the QAbstractItemView do the highlighting of the item, etc.
   QAbstractItemView::dragMoveEvent(e);
 
   // Now we do our thing.
   Smb4KSharesViewItem *item = static_cast<Smb4KSharesViewItem *>(itemAt(e->pos()));
 
   if (item && !item->shareItem()->isInaccessible() && (item->flags() & Qt::ItemIsDropEnabled) && (e->proposedAction() & (Qt::CopyAction | Qt::MoveAction)))
   {
     QUrl url = QUrl::fromLocalFile(item->shareItem()->path());
 
     if (e->source() == this && e->mimeData()->urls().first() == url)
     {
       e->ignore();
     }
     else
     {
       e->accept();
     }
   }
   else
   {
     e->ignore();
   }
 }
 
 
 void Smb4KSharesView::dropEvent(QDropEvent *e)
 {
   // Get the item and process the drop event
   Smb4KSharesViewItem *item = static_cast<Smb4KSharesViewItem *>(itemAt(e->pos()));
 
   if (item && !item->shareItem()->isInaccessible() && (e->proposedAction() & (Qt::CopyAction|Qt::MoveAction)))
   {
     QUrl url = QUrl::fromLocalFile(item->shareItem()->path());
 
     if (e->source() == this && e->mimeData()->urls().first() == url)
     {
       e->ignore();
     }
     else
     {
       e->acceptProposedAction();
       emit acceptedDropEvent(item, e);
       e->accept();
     }
   }
   else
   {
     e->ignore();
   }
 }
 
 
 Qt::DropActions Smb4KSharesView::supportedDropActions() const
 {
   // Only allow copying and linking.
   return (Qt::CopyAction|Qt::LinkAction);
 }
 
 
 QMimeData *Smb4KSharesView::mimeData(const QList<QListWidgetItem *> list) const
 {
   QMimeData *mimeData = new QMimeData();
   QList<QUrl> urls;
 
   for (int i = 0; i < list.count(); ++i)
   {
     Smb4KSharesViewItem *item = static_cast<Smb4KSharesViewItem *>(list.at(i));
     urls << QUrl::fromLocalFile(item->shareItem()->path());
   }
 
   mimeData->setUrls(urls);
 
   return mimeData;
 }
 
 
 void Smb4KSharesView::startDrag(Qt::DropActions supported)
 {
   if (m_tooltipItem)
   {
     emit aboutToHideToolTip(m_tooltipItem);
     m_tooltipItem->tooltip()->hide();
     m_tooltipItem = 0;
   }
 
   QList<QListWidgetItem *> list = selectedItems();
 
   if (!list.isEmpty())
   {
     QMimeData *data = mimeData(list);
 
     if (!data)
     {
       return;
     }
 
     QDrag *drag = new QDrag(this);
 
     QPixmap pixmap;
 
     if (list.count() == 1)
     {
       Smb4KSharesViewItem *item = static_cast<Smb4KSharesViewItem *>(list.first());
       pixmap = item->icon().pixmap(KIconLoader::SizeMedium);
     }
     else
     {
       pixmap = KDE::icon("document-multiple").pixmap(KIconLoader::SizeMedium);
     }
 
     drag->setPixmap(pixmap);
     drag->setMimeData(data);
 
     drag->exec(supported, Qt::IgnoreAction);
   }
 }
 
 
 /////////////////////////////////////////////////////////////////////////////
 // SLOT IMPLEMENTATIONS
 /////////////////////////////////////////////////////////////////////////////
 
 void Smb4KSharesView::slotItemEntered(QListWidgetItem *item)
 {
   Smb4KSharesViewItem *share_item = static_cast<Smb4KSharesViewItem *>(item);
   
   if (m_tooltipItem && m_tooltipItem != share_item)
   {
     emit aboutToHideToolTip(m_tooltipItem);
     m_tooltipItem->tooltip()->hide();
     m_tooltipItem = 0;
   }
 }
 
 
 void Smb4KSharesView::slotViewportEntered()
 {
   // Hide the tool tip.
   if (m_tooltipItem)
   {
     emit aboutToHideToolTip(m_tooltipItem);
     m_tooltipItem->tooltip()->hide();
     m_tooltipItem = 0;
   }
 }