krbriefview.cpp

LINUX 下, 以 QT/KDE 写的档案管理员

     showContextMenu();
   else if (i > 0)
     contextMenuTimer.start(i, true);
}

void KrBriefView::showContextMenu()
{
	if (lastSwushPosition)
		lastSwushPosition->setSelected(true);
	op()->emitContextMenu( contextMenuPoint );
}

KrViewItem *KrBriefView::getKrViewItemAt( const QPoint & vp ) {
   return dynamic_cast<KrViewItem*>( KIconView::findItem( vp ) );
}

bool KrBriefView::acceptDrag( QDropEvent* ) const {
   return true;
}

void KrBriefView::contentsDropEvent( QDropEvent * e ) {
   _currDragItem = 0;
   op()->emitGotDrop(e);
   e->ignore();
   KIconView::contentsDropEvent( e );                   
}

void KrBriefView::contentsDragMoveEvent( QDragMoveEvent * e ) {
   KrViewItem *oldDragItem = _currDragItem;

   _currDragItem = getKrViewItemAt( e->pos() );
   if( _currDragItem && !_currDragItem->VF->vfile_isDir() )
     _currDragItem = 0;
   
   KIconView::contentsDragMoveEvent( e );

   if( _currDragItem != oldDragItem )
   {
     if( oldDragItem )
        dynamic_cast<KrBriefViewItem *>( oldDragItem )->repaint();
     if( _currDragItem )
        dynamic_cast<KrBriefViewItem *>( _currDragItem )->repaint();
   }
}

void KrBriefView::contentsDragLeaveEvent ( QDragLeaveEvent *e )
{
   KrViewItem *oldDragItem = _currDragItem;

   _currDragItem = 0;
   KIconView::contentsDragLeaveEvent( e );

   if( oldDragItem )
     dynamic_cast<KrBriefViewItem *>( oldDragItem )->repaint();
}

void KrBriefView::imStartEvent(QIMEvent* e)
{
  if ( ACTIVE_PANEL->quickSearch->isShown() ) {
    ACTIVE_PANEL->quickSearch->myIMStartEvent( e );
    return ;
  }else {
    KConfigGroupSaver grpSvr( _config, "Look&Feel" );
    if ( !_config->readBoolEntry( "New Style Quicksearch", _NewStyleQuicksearch ) )
      KIconView::imStartEvent( e );
    else {
							// first, show the quicksearch if its hidden
      if ( ACTIVE_PANEL->quickSearch->isHidden() ) {
        ACTIVE_PANEL->quickSearch->show();
								// hack: if the pressed key requires a scroll down, the selected
								// item is "below" the quick search window, as the icon view will
								// realize its new size after the key processing. The following line
								// will resize the icon view immediately.
        ACTIVE_PANEL->layout->activate();
								// second, we need to disable the dirup action - hack!
        krDirUp->setEnabled( false );
      }
							// now, send the key to the quicksearch
      ACTIVE_PANEL->quickSearch->myIMStartEvent( e );
    }
  }
}

void KrBriefView::imEndEvent(QIMEvent* e)
{
  if ( ACTIVE_PANEL->quickSearch->isShown() ) {
    ACTIVE_PANEL->quickSearch->myIMEndEvent( e );
    return ;
  }
}

void KrBriefView::imComposeEvent(QIMEvent* e)
{
  if ( ACTIVE_PANEL->quickSearch->isShown() ) {
    ACTIVE_PANEL->quickSearch->myIMComposeEvent( e );
    return ;
  }
}

void KrBriefView::keyPressEvent( QKeyEvent * e ) {
   if ( !e || !firstItem() )
      return ; // subclass bug
   if ( ACTIVE_PANEL->quickSearch->isShown() ) {
      ACTIVE_PANEL->quickSearch->myKeyPressEvent( e );
      return ;
   }
   switch ( e->key() ) {
         case Key_Up :
         if ( e->state() == ControlButton ) { // let the panel handle it - jump to the Location Bar
            e->ignore();
            break;
         } else if (!KrSelectionMode::getSelectionHandler()->useQTSelection()) {
            QIconViewItem * i = currentItem();
            if ( !i ) break;
            if ( e->state() == ShiftButton ) setSelected( i, !i->isSelected(), true );
            i = i->prevItem();
         	if ( i ) {
					QIconView::setCurrentItem( i );
					QIconView::ensureItemVisible( i );
				}
         } else KIconView::keyPressEvent(e);
         break;
         case Key_Down :
         if ( e->state() == ControlButton || e->state() == ( ControlButton | ShiftButton ) ) { // let the panel handle it - jump to command line
            e->ignore();
            break;
         } else if (!KrSelectionMode::getSelectionHandler()->useQTSelection()){
            QIconViewItem * i = currentItem();
            if ( !i ) break;
            if ( e->state() == ShiftButton ) setSelected( i, !i->isSelected(), true );
            i = i->nextItem();
         if ( i ) {QIconView::setCurrentItem( i ); QIconView::ensureItemVisible( i ); }
         } else KIconView::keyPressEvent(e);
         break;
         case Key_Next:  if (!KrSelectionMode::getSelectionHandler()->useQTSelection()){
            QIconViewItem * i = currentItem(), *j;
            if ( !i ) break;
            QRect r( i->rect() );
            if ( !r.height() ) break;
            for ( int page = visibleHeight() / r.height() - 1; page > 0 && ( j = i->nextItem() ); --page )
               i = j;
            if ( i ) {QIconView::setCurrentItem( i ); QIconView::ensureItemVisible( i ); }
         } else KIconView::keyPressEvent(e);
         break;
         case Key_Prior:  if (!KrSelectionMode::getSelectionHandler()->useQTSelection()){
            QIconViewItem * i = currentItem(), *j;
            if ( !i ) break;
            QRect r( i->rect() );
            if ( !r.height() ) break;
            for ( int page = visibleHeight() / r.height() - 1; page > 0 && ( j = i->prevItem() ); --page )
               i = j;
            if ( i ) {QIconView::setCurrentItem( i ); QIconView::ensureItemVisible( i ); }
         } else KIconView::keyPressEvent(e);
         break;
         case Key_Home:  if (!KrSelectionMode::getSelectionHandler()->useQTSelection()){
            if ( e->state() & ShiftButton )  /* Shift+Home */
            {
               clearSelection();
               KIconView::keyPressEvent( e );
               op()->emitSelectionChanged();
               arrangeItemsInGrid();
               break;
            } else {
               QIconViewItem * i = firstItem();
               if ( i ) {QIconView::setCurrentItem( i ); QIconView::ensureItemVisible( i ); }
            }
         } else KIconView::keyPressEvent(e);
         break;
         case Key_End:  if (!KrSelectionMode::getSelectionHandler()->useQTSelection()){
            if ( e->state() & ShiftButton )  /* Shift+End */
            {
               clearSelection();
               KIconView::keyPressEvent( e );
               op()->emitSelectionChanged();
               arrangeItemsInGrid();
               break;
            } else {
               QIconViewItem *i = firstItem(), *j;
               while ( ( j = i->nextItem() ) )
                  i = j;
               while ( ( j = i->nextItem() ) )
                  i = j;
            if ( i ) {QIconView::setCurrentItem( i ); QIconView::ensureItemVisible( i ); }
               break;
            }
         } else KIconView::keyPressEvent(e);
         break;
         case Key_Enter :
         case Key_Return : {
            if ( e->state() & ControlButton )         // let the panel handle it
               e->ignore();
            else {
               KrViewItem * i = getCurrentKrViewItem();
               QString tmp = i->name();
               op()->emitExecuted(tmp);
            }
            break;
         }
         case Key_QuoteLeft :          // Terminal Emulator bugfix
         if ( e->state() == ControlButton ) { // let the panel handle it
            e->ignore();
            break;
         } else {          // a normal click - do a lynx-like moving thing
            SLOTS->home(); // ask krusader to move up a directory
            return ;         // safety
         }
         break;
         case Key_Right :
         if ( e->state() == ControlButton ) { // let the panel handle it
            e->ignore();
            break;
         } else if (!KrSelectionMode::getSelectionHandler()->useQTSelection()) {
            QIconViewItem *i = currentItem();
            QIconViewItem *newCurrent = 0;

            if ( !i ) break;

            int minY = i->y() - i->height() / 2;
            int minX  = i->width() / 2 + i->x();

            if ( e->state() == ShiftButton ) setSelected( i, !i->isSelected(), true );

            while( i && i->x() <= minX )
            {
              if ( e->state() == ShiftButton ) setSelected( i, !i->isSelected(), true );
              newCurrent = i;
              i = i->nextItem();
            }

            while( i && i->y() < minY )
            {
              if ( e->state() == ShiftButton ) setSelected( i, !i->isSelected(), true );
              newCurrent = i;
              i = i->nextItem();
            }

            if( i )
            {
              if ( e->state() == ShiftButton ) setSelected( i, !i->isSelected(), true );
              newCurrent = i;
            }

            if( newCurrent )
            {
              QIconView::setCurrentItem( newCurrent );
              QIconView::ensureItemVisible( newCurrent );
            }
         } else KIconView::keyPressEvent(e);
         break;
         case Key_Backspace :                         // Terminal Emulator bugfix
         if ( e->state() == ControlButton || e->state() == ShiftButton ) { // let the panel handle it
            e->ignore();
            break;
         } else {          // a normal click - do a lynx-like moving thing
            SLOTS->dirUp(); // ask krusader to move up a directory
            return ;         // safety
         }
         case Key_Left :
         if ( e->state() == ControlButton ) { // let the panel handle it
            e->ignore();
            break;
         } else if (!KrSelectionMode::getSelectionHandler()->useQTSelection()) {
            QIconViewItem *i = currentItem();
            QIconViewItem *newCurrent = 0;

            if ( !i ) break;

            int maxY = i->y() + i->height() / 2;
            int maxX  = i->x() - i->width() / 2;

            if ( e->state() == ShiftButton ) setSelected( i, !i->isSelected(), true );

            while( i && i->x() >= maxX )
            {
              if ( e->state() == ShiftButton ) setSelected( i, !i->isSelected(), true );
              newCurrent = i;
              i = i->prevItem();
            }

            while( i && i->y() > maxY )
            {
              if ( e->state() == ShiftButton ) setSelected( i, !i->isSelected(), true );
              newCurrent = i;
              i = i->prevItem();
            }
            if( i )
            {
              if ( e->state() == ShiftButton ) setSelected( i, !i->isSelected(), true );
              newCurrent = i;
            }

            if( newCurrent )
            {
              QIconView::setCurrentItem( newCurrent );
              QIconView::ensureItemVisible( newCurrent );
            }
         } else KIconView::keyPressEvent(e);
         break;

         case Key_Delete :                   // kill file
         SLOTS->deleteFiles( e->state() == ShiftButton || e->state() == ControlButton );
				
         break ;
         case Key_Insert : {
            {
               QIconViewItem *i = currentItem();
               if( !i )
                  break;

               if (KrSelectionMode::getSelectionHandler()->insertMovesDown())
               {
                  setSelected( i, !i->isSelected(), true );
                  if( i->nextItem() )
                  {
                     QIconView::setCurrentItem( i->nextItem() );
                     QIconView::ensureItemVisible( i->nextItem() );
                  }
               }
               else
               {
                  setSelected( i, !i->isSelected(), true );
               }
            }
            break ;
         }
         case Key_Space : {
            {
               QIconViewItem *i = currentItem();
               if( !i )
                  break;

               if (KrSelectionMode::getSelectionHandler()->spaceMovesDown())
               {
                  setSelected( i, !i->isSelected(), true );
                  if( i->nextItem() )
                  {
                     QIconView::setCurrentItem( i->nextItem() );
                     QIconView::ensureItemVisible( i->nextItem() );
                  }
               }
               else
               {
                  setSelected( i, !i->isSelected(), true );
               }
            }
            break ;
         }
         case Key_A :                 // mark all
         if ( e->state() == ControlButton ) {
            KIconView::keyPressEvent( e );
            updateView();
            break;
         }
         default:
         if ( e->key() == Key_Escape ) {
            QIconView::keyPressEvent( e ); return ; // otherwise the selection gets lost??!??
         }
         // if the key is A..Z or 1..0 do quick search otherwise...
         if ( e->text().length() > 0 && e->text() [ 0 ].isPrint() )       // better choice. Otherwise non-ascii characters like  can not be the first character of a filename
            /*         if ( ( e->key() >= Key_A && e->key() <= Key_Z ) ||
                           ( e->key() >= Key_0 && e->key() <= Key_9 ) ||
                           ( e->key() == Key_Backspace ) ||
                           ( e->key() == Key_Down ) ||
                           ( e->key() == Key_Period ) ) */{ 
            // are we doing quicksearch? if not, send keys to panel
            //if ( _config->readBoolEntry( "Do Quicksearch", _DoQuicksearch ) ) {