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+/***************************************************************************
+ * *
+ * Copyright (C) 2005, 2006 by Kevin Gilbert *
+ * kev.gilbert@cdu.edu.au *
+ * *
+ * 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., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * *
+ ***************************************************************************/
+
+#include <qdragobject.h>
+#include <qfontmetrics.h>
+#include <qpainter.h>
+#include <qpopupmenu.h>
+#include <qtimer.h>
+
+#include <kapplication.h>
+#include <kconfig.h>
+#include <kdebug.h>
+#include <kglobal.h>
+#include <kglobalsettings.h>
+#include <kiconloader.h>
+#include <klocale.h>
+
+#include "global.h"
+#include "indexwidget.h"
+#include "mainwidget.h"
+#include "scanstack.h"
+#include "scanwidget.h"
+
+// constructor
+// ===========
+
+IndexWidget::IndexWidget( ScanStack* scanStack, MainWidget* parent, const char* name )
+: QScrollView( parent, name ),
+ m_blinkTimer( NULL ),
+ m_scanCount( 0 ),
+ m_scanStack( scanStack )
+{ setDragAutoScroll( true );
+ viewport( )->setAcceptDrops( true );
+}
+
+// calculateIndex
+// ==============
+
+short IndexWidget::calculateIndex( const ushort y )
+{ QFontMetrics metrics = fontMetrics( );
+ byte height = metrics.height( );
+ ushort index = y / height;
+
+ return index > m_scanStack->count( ) - 1 ? -1 : index;
+}
+
+// contentsContextMenuEvent
+// ========================
+
+void IndexWidget::contentsContextMenuEvent( QContextMenuEvent* event )
+{ short index = calculateIndex( event->y( ));
+
+ if( index < 0 )
+ return;
+
+ ScanWidget* scanWidget = m_scanStack->makeScanWidgetVisible( index );
+ emit( visibleScanWidgetChanged( scanWidget ));
+
+ QPopupMenu* contextMenu = new QPopupMenu( this, "context menu" );
+ KIconLoader* iconLoader = KGlobal::iconLoader( );
+ QIconSet profileLoad = iconLoader->loadIconSet( "profileload", KIcon::Small );
+ QIconSet profileSave = iconLoader->loadIconSet( "profilesave", KIcon::Small );
+ QIconSet profileSaveAs = iconLoader->loadIconSet( "profilesaveas", KIcon::Small );
+ QIconSet scanClose = iconLoader->loadIconSet( "scanclose", KIcon::Small );
+ QIconSet scanDuplicate = iconLoader->loadIconSet( "scanduplicate", KIcon::Small );
+ QIconSet scanNew = iconLoader->loadIconSet( "scannew", KIcon::Small );
+ QIconSet scanRename = iconLoader->loadIconSet( "scanrename", KIcon::Small );
+
+ contextMenu->insertItem( scanClose, i18n( "&Close scan" ), parent( ), SLOT( slotScanClose( )), CTRL+Key_W );
+ contextMenu->insertItem( scanDuplicate, i18n( "&Duplicate scan" ), parent( ), SLOT( slotScanDuplicate( )), CTRL+Key_C );
+ contextMenu->insertItem( scanNew, i18n( "&New scan..." ), parent( ), SLOT( slotScanNew( )), CTRL+Key_N );
+ contextMenu->insertItem( scanRename, i18n( "&Rename scan..." ), parent( ), SLOT( slotScanRename( )), Key_F2 );
+ contextMenu->insertItem( i18n( "&Use target host name" ), parent( ), SLOT( slotUseTargetHost( )));
+ contextMenu->insertSeparator( );
+ contextMenu->insertItem( profileLoad, i18n( "&Load profile..." ), parent( ), SLOT( slotProfileLoad( )));
+ contextMenu->insertItem( profileSave, i18n( "&Save profile..." ), parent( ), SLOT( slotProfileSave( )));
+ contextMenu->insertItem( profileSaveAs, i18n( "&Save profile as..." ), parent( ), SLOT( slotProfileSaveAs( )));
+
+ contextMenu->exec( event->globalPos( ));
+}
+
+// contentsDragMoveEvent
+// =====================
+
+void IndexWidget::contentsDragMoveEvent( QDragMoveEvent* event )
+{ short index = calculateIndex( event->pos( ).y( ));
+ index = index < 0 ? m_scanStack->count( ) - 1 : index;
+
+ ScanWidget* scanWidget = m_scanStack->makeScanWidgetVisible( index );
+ emit( visibleScanWidgetChanged( scanWidget ));
+}
+
+// contentsMouseMoveEvent
+// ======================
+
+void IndexWidget::contentsMouseMoveEvent( QMouseEvent* event )
+{ if( event->stateAfter( ) != Qt::LeftButton )
+ return;
+
+ short index = calculateIndex( event->y( ));
+
+ if( index < 0 )
+ return;
+
+ QStoredDrag* drag = new QStoredDrag( "application/octet-stream", this );
+ drag->dragMove( );
+ ScanWidget* scanWidget = m_scanStack->moveScanWidget( index );
+
+ scanWidget->ignoreTabChanges( true );
+ m_scanStack->raiseWidget( scanWidget );
+ scanWidget->ignoreTabChanges( false );
+
+ emit( visibleScanWidgetChanged( scanWidget ));
+}
+
+// contentsMousePressEvent
+// =======================
+
+void IndexWidget::contentsMousePressEvent( QMouseEvent* event )
+{ if( event->stateAfter( ) != Qt::LeftButton )
+ return;
+
+ short index = calculateIndex( event->y( ));
+
+ if( index < 0 )
+ return;
+
+ ScanWidget* scanWidget = m_scanStack->makeScanWidgetVisible( index );
+ emit( visibleScanWidgetChanged( scanWidget ));
+
+ if( scanWidget->state( ) == ScanWidget::finished )
+ scanWidget->state( ScanWidget::dormant );
+}
+
+// drawContents
+// ============
+
+void IndexWidget::drawContents( QPainter* painter, int clipx, int clipy, int clipw, int cliph )
+{ painter->fillRect( clipx, clipy, clipw, cliph, KGlobalSettings::baseColor( ));
+ painter->setBackgroundMode( Qt::OpaqueMode );
+
+ QFontMetrics metrics = fontMetrics( );
+ byte height = metrics.height( );
+ byte aWidth2 = 2 * metrics.width( "*" );
+ ushort x = height / 2;
+ ushort xMax = 0;
+ ushort y = 0;
+ ushort i;
+
+ for( m_scanStack->resetScanWidgets( i ); m_scanStack->moreScanWidgets( i ); y += height, m_scanStack->nextScanWidget( i ))
+ { ScanWidget* scanWidget = m_scanStack->currentScanWidget( i );
+
+ switch( scanWidget->state( ))
+ { case ScanWidget::dormant:
+ if( m_scanStack->isVisibleWidget( scanWidget ))
+ { painter->fillRect( 0, y, visibleWidth( ), height, KGlobalSettings::alternateBackgroundColor( ));
+ painter->setBackgroundColor( KGlobalSettings::alternateBackgroundColor( ));
+ painter->setPen( KGlobalSettings::buttonTextColor( ));
+ break;
+ }
+
+ painter->setBackgroundColor( KGlobalSettings::baseColor( ));
+ painter->setPen( KGlobalSettings::buttonTextColor( ));
+ break;
+
+ case ScanWidget::finished:
+ painter->fillRect( 0, y, visibleWidth( ), height, KGlobalSettings::highlightColor( ));
+ painter->setBackgroundColor( KGlobalSettings::highlightColor( ));
+ painter->setPen( KGlobalSettings::activeTextColor( ));
+ break;
+
+ case ScanWidget::running:
+ if( m_highlight )
+ { painter->fillRect( 0, y, visibleWidth( ), height, KGlobalSettings::highlightColor( ));
+ painter->setBackgroundColor( KGlobalSettings::highlightColor( ));
+ painter->setPen( KGlobalSettings::activeTextColor( ));
+ break;
+ }
+
+ if( m_scanStack->isVisibleWidget( scanWidget ))
+ { painter->fillRect( 0, y, visibleWidth( ), height, KGlobalSettings::alternateBackgroundColor( ));
+ painter->setBackgroundColor( KGlobalSettings::alternateBackgroundColor( ));
+ painter->setPen( KGlobalSettings::buttonTextColor( ));
+ break;
+ }
+
+ painter->fillRect( 0, y, visibleWidth( ), height, KGlobalSettings::baseColor( ));
+ painter->setBackgroundColor( KGlobalSettings::baseColor( ));
+ painter->setPen( KGlobalSettings::buttonTextColor( ));
+ break;
+ }
+
+ if( scanWidget->useTargetHost( ))
+ painter->drawText( x, y + metrics.ascent( ), "*" );
+
+ painter->drawText( x + aWidth2, y + metrics.ascent( ), scanWidget->scanName( ));
+ xMax = _max_( xMax, x + aWidth2 + metrics.width( scanWidget->scanName( )));
+ }
+
+ if( m_scanCount )
+ m_highlight = !m_highlight;
+
+ resizeContents( xMax + height / 2, y );
+}
+
+// ensureCurrentVisible
+// ====================
+
+void IndexWidget::ensureCurrentVisible( )
+{ short index = m_scanStack->indexOfVisibleScanWidget( );
+
+ if( index < 0 )
+ return;
+
+ QFontMetrics metrics = fontMetrics( );
+ short y = index * metrics.height( ) - height( ) / 2;
+ setContentsPos( 0, y );
+ updateContents( );
+}
+
+// ensureCurrentVisible
+// ====================
+
+void IndexWidget::slotRepaint( )
+{ repaintContents( false );
+}
+
+// slotScanStarted
+// ===============
+
+void IndexWidget::slotScanStarted( )
+{ if( m_scanCount++ )
+ return;
+
+ ASSERT( m_blinkTimer == NULL );
+ m_blinkTimer = new QTimer( this );
+ connect( m_blinkTimer, SIGNAL( timeout( )), SLOT( slotRepaint( )));
+ m_blinkTimer->start( 500 );
+ m_highlight = true;
+}
+
+// slotScanStopped
+// ===============
+
+void IndexWidget::slotScanStopped( ScanWidget* scanWidget )
+{ scanWidget->state( scanWidget == m_scanStack->visibleWidget( ) ? ScanWidget::dormant : ScanWidget::finished );
+ updateContents( );
+
+ if( --m_scanCount )
+ return;
+
+ delete m_blinkTimer;
+ m_blinkTimer = NULL;
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-29 06:32:13 +0000