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274 lines
9.6 KiB
274 lines
9.6 KiB
/***************************************************************************
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* *
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* Copyright (C) 2005, 2006 by Kevin Gilbert *
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* kev.gilbert@cdu.edu.au *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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***************************************************************************/
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#include <ntqdragobject.h>
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#include <ntqfontmetrics.h>
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#include <ntqpainter.h>
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#include <ntqpopupmenu.h>
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#include <ntqtimer.h>
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#include <tdeapplication.h>
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#include <tdeconfig.h>
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#include <kdebug.h>
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#include <tdeglobal.h>
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#include <tdeglobalsettings.h>
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#include <kiconloader.h>
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#include <tdelocale.h>
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#include "global.h"
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#include "indexwidget.h"
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#include "mainwidget.h"
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#include "scanstack.h"
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#include "scanwidget.h"
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// constructor
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// ===========
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IndexWidget::IndexWidget( ScanStack* scanStack, MainWidget* parent, const char* name )
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: TQScrollView( parent, name ),
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m_blinkTimer( NULL ),
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m_scanCount( 0 ),
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m_scanStack( scanStack )
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{ setDragAutoScroll( true );
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viewport( )->setAcceptDrops( true );
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}
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// calculateIndex
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// ==============
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short IndexWidget::calculateIndex( const ushort y )
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{ TQFontMetrics metrics = fontMetrics( );
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byte height = metrics.height( );
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ushort index = y / height;
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return index > m_scanStack->count( ) - 1 ? -1 : index;
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}
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// contentsContextMenuEvent
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// ========================
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void IndexWidget::contentsContextMenuEvent( TQContextMenuEvent* event )
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{ short index = calculateIndex( event->y( ));
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if( index < 0 )
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return;
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ScanWidget* scanWidget = m_scanStack->makeScanWidgetVisible( index );
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emit( visibleScanWidgetChanged( scanWidget ));
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TQPopupMenu* contextMenu = new TQPopupMenu( this, "context menu" );
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TDEIconLoader* iconLoader = TDEGlobal::iconLoader( );
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TQIconSet profileLoad = iconLoader->loadIconSet( "profileload", TDEIcon::Small );
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TQIconSet profileSave = iconLoader->loadIconSet( "profilesave", TDEIcon::Small );
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TQIconSet profileSaveAs = iconLoader->loadIconSet( "profilesaveas", TDEIcon::Small );
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TQIconSet scanClose = iconLoader->loadIconSet( "scanclose", TDEIcon::Small );
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TQIconSet scanDuplicate = iconLoader->loadIconSet( "scanduplicate", TDEIcon::Small );
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TQIconSet scanNew = iconLoader->loadIconSet( "scannew", TDEIcon::Small );
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TQIconSet scanRename = iconLoader->loadIconSet( "scanrename", TDEIcon::Small );
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contextMenu->insertItem( scanClose, i18n( "&Close scan" ), parent( ), SLOT( slotScanClose( )), CTRL+Key_W );
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contextMenu->insertItem( scanDuplicate, i18n( "&Duplicate scan" ), parent( ), SLOT( slotScanDuplicate( )), CTRL+Key_C );
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contextMenu->insertItem( scanNew, i18n( "&New scan..." ), parent( ), SLOT( slotScanNew( )), CTRL+Key_N );
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contextMenu->insertItem( scanRename, i18n( "&Rename scan..." ), parent( ), SLOT( slotScanRename( )), Key_F2 );
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contextMenu->insertItem( i18n( "&Use target host name" ), parent( ), SLOT( slotUseTargetHost( )));
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contextMenu->insertSeparator( );
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contextMenu->insertItem( profileLoad, i18n( "&Load profile..." ), parent( ), SLOT( slotProfileLoad( )));
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contextMenu->insertItem( profileSave, i18n( "&Save profile..." ), parent( ), SLOT( slotProfileSave( )));
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contextMenu->insertItem( profileSaveAs, i18n( "&Save profile as..." ), parent( ), SLOT( slotProfileSaveAs( )));
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contextMenu->exec( event->globalPos( ));
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}
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// contentsDragMoveEvent
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// =====================
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void IndexWidget::contentsDragMoveEvent( TQDragMoveEvent* event )
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{ short index = calculateIndex( event->pos( ).y( ));
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index = index < 0 ? m_scanStack->count( ) - 1 : index;
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ScanWidget* scanWidget = m_scanStack->makeScanWidgetVisible( index );
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emit( visibleScanWidgetChanged( scanWidget ));
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}
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// contentsMouseMoveEvent
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// ======================
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void IndexWidget::contentsMouseMoveEvent( TQMouseEvent* event )
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{ if( event->stateAfter( ) != TQt::LeftButton )
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return;
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short index = calculateIndex( event->y( ));
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if( index < 0 )
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return;
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TQStoredDrag* drag = new TQStoredDrag( "application/octet-stream", this );
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drag->dragMove( );
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ScanWidget* scanWidget = m_scanStack->moveScanWidget( index );
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scanWidget->ignoreTabChanges( true );
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m_scanStack->raiseWidget( scanWidget );
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scanWidget->ignoreTabChanges( false );
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emit( visibleScanWidgetChanged( scanWidget ));
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}
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// contentsMousePressEvent
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// =======================
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void IndexWidget::contentsMousePressEvent( TQMouseEvent* event )
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{ if( event->stateAfter( ) != TQt::LeftButton )
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return;
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short index = calculateIndex( event->y( ));
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if( index < 0 )
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return;
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ScanWidget* scanWidget = m_scanStack->makeScanWidgetVisible( index );
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emit( visibleScanWidgetChanged( scanWidget ));
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if( scanWidget->state( ) == ScanWidget::finished )
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scanWidget->state( ScanWidget::dormant );
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}
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// drawContents
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// ============
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void IndexWidget::drawContents( TQPainter* painter, int clipx, int clipy, int clipw, int cliph )
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{ painter->fillRect( clipx, clipy, clipw, cliph, TDEGlobalSettings::baseColor( ));
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painter->setBackgroundMode( TQt::OpaqueMode );
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TQFontMetrics metrics = fontMetrics( );
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byte height = metrics.height( );
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byte aWidth2 = 2 * metrics.width( "*" );
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ushort x = height / 2;
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ushort xMax = 0;
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ushort y = 0;
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ushort i;
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for( m_scanStack->resetScanWidgets( i ); m_scanStack->moreScanWidgets( i ); y += height, m_scanStack->nextScanWidget( i ))
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{ ScanWidget* scanWidget = m_scanStack->currentScanWidget( i );
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switch( scanWidget->state( ))
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{ case ScanWidget::dormant:
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if( m_scanStack->isVisibleWidget( scanWidget ))
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{ painter->fillRect( 0, y, visibleWidth( ), height, TDEGlobalSettings::alternateBackgroundColor( ));
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painter->setBackgroundColor( TDEGlobalSettings::alternateBackgroundColor( ));
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painter->setPen( TDEGlobalSettings::buttonTextColor( ));
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break;
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}
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painter->setBackgroundColor( TDEGlobalSettings::baseColor( ));
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painter->setPen( TDEGlobalSettings::buttonTextColor( ));
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break;
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case ScanWidget::finished:
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painter->fillRect( 0, y, visibleWidth( ), height, TDEGlobalSettings::highlightColor( ));
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painter->setBackgroundColor( TDEGlobalSettings::highlightColor( ));
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painter->setPen( TDEGlobalSettings::activeTextColor( ));
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break;
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case ScanWidget::running:
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if( m_highlight )
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{ painter->fillRect( 0, y, visibleWidth( ), height, TDEGlobalSettings::highlightColor( ));
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painter->setBackgroundColor( TDEGlobalSettings::highlightColor( ));
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painter->setPen( TDEGlobalSettings::activeTextColor( ));
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break;
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}
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if( m_scanStack->isVisibleWidget( scanWidget ))
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{ painter->fillRect( 0, y, visibleWidth( ), height, TDEGlobalSettings::alternateBackgroundColor( ));
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painter->setBackgroundColor( TDEGlobalSettings::alternateBackgroundColor( ));
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painter->setPen( TDEGlobalSettings::buttonTextColor( ));
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break;
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}
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painter->fillRect( 0, y, visibleWidth( ), height, TDEGlobalSettings::baseColor( ));
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painter->setBackgroundColor( TDEGlobalSettings::baseColor( ));
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painter->setPen( TDEGlobalSettings::buttonTextColor( ));
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break;
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}
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if( scanWidget->useTargetHost( ))
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painter->drawText( x, y + metrics.ascent( ), "*" );
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painter->drawText( x + aWidth2, y + metrics.ascent( ), scanWidget->scanName( ));
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xMax = _max_( xMax, x + aWidth2 + metrics.width( scanWidget->scanName( )));
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}
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if( m_scanCount )
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m_highlight = !m_highlight;
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resizeContents( xMax + height / 2, y );
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}
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// ensureCurrentVisible
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// ====================
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void IndexWidget::ensureCurrentVisible( )
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{ short index = m_scanStack->indexOfVisibleScanWidget( );
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if( index < 0 )
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return;
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TQFontMetrics metrics = fontMetrics( );
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short y = index * metrics.height( ) - height( ) / 2;
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setContentsPos( 0, y );
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updateContents( );
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}
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// ensureCurrentVisible
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// ====================
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void IndexWidget::slotRepaint( )
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{ repaintContents( false );
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}
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// slotScanStarted
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// ===============
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void IndexWidget::slotScanStarted( )
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{ if( m_scanCount++ )
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return;
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ASSERT( m_blinkTimer == NULL );
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m_blinkTimer = new TQTimer( this );
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connect( m_blinkTimer, SIGNAL( timeout( )), SLOT( slotRepaint( )));
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m_blinkTimer->start( 500 );
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m_highlight = true;
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}
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// slotScanStopped
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// ===============
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void IndexWidget::slotScanStopped( ScanWidget* scanWidget )
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{ scanWidget->state( scanWidget == m_scanStack->visibleWidget( ) ? ScanWidget::dormant : ScanWidget::finished );
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updateContents( );
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if( --m_scanCount )
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return;
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delete m_blinkTimer;
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m_blinkTimer = NULL;
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}
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