diff options
Diffstat (limited to 'src/k3bwelcomewidget.cpp')
| -rw-r--r-- | src/k3bwelcomewidget.cpp | 489 |
1 files changed, 489 insertions, 0 deletions
diff --git a/src/k3bwelcomewidget.cpp b/src/k3bwelcomewidget.cpp new file mode 100644 index 0000000..a3915d5 --- /dev/null +++ b/src/k3bwelcomewidget.cpp @@ -0,0 +1,489 @@ +/* + * + * $Id: k3bwelcomewidget.cpp 676186 2007-06-16 08:53:46Z trueg $ + * Copyright (C) 2003-2007 Sebastian Trueg <trueg@k3b.org> + * + * This file is part of the K3b project. + * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org> + * + * 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. + * See the file "COPYING" for the exact licensing terms. + */ + +#include "k3bwelcomewidget.h" +#include "k3b.h" +#include "k3bflatbutton.h" +#include <k3bstdguiitems.h> +#include "k3bapplication.h" +#include <k3bversion.h> +#include "k3bthememanager.h" + +#include <qpixmap.h> +#include <qtoolbutton.h> +#include <qlabel.h> +#include <qpainter.h> +#include <qsimplerichtext.h> +#include <qptrlist.h> +#include <qmap.h> +#include <qtooltip.h> +#include <qcursor.h> +#include <qimage.h> + +#include <kurl.h> +#include <kurldrag.h> +#include <klocale.h> +#include <kstandarddirs.h> +#include <kapplication.h> +#include <kiconloader.h> +#include <kglobal.h> +#include <kconfig.h> +#include <kdebug.h> +#include <kpopupmenu.h> +#include <kaboutdata.h> +#include <kactionclasses.h> + + +static const char* s_allActions[] = { + "file_new_data", + "file_new_dvd", + "file_continue_multisession", + "_sep_", + "file_new_audio", + "_sep_", + "file_new_mixed", + "_sep_", + "file_new_vcd", + "file_new_video_dvd", + "_sep_", + "file_new_movix", + "file_new_movix_dvd", + "_sep_", + "tools_copy_cd", + "tools_copy_dvd", + "_sep_", + "tools_blank_cdrw", + "tools_format_dvd", + "_sep_", + "tools_write_cd_image", + "tools_write_dvd_iso", + "_sep_", + "tools_cdda_rip", + "tools_videodvd_rip", + "tools_videocd_rip", + 0 +}; + +K3bWelcomeWidget::Display::Display( K3bWelcomeWidget* parent ) + : QWidget( parent->viewport() ) +{ + setWFlags( Qt::WNoAutoErase ); + + QFont fnt(font()); + fnt.setBold(true); + fnt.setPointSize( 16 ); + m_header = new QSimpleRichText( i18n("Welcome to K3b - The CD and DVD Kreator"), fnt ); + m_infoText = new QSimpleRichText( QString::fromUtf8("<qt align=\"center\">K3b %1 (c) 1999 - 2007 Sebastian Trüg") + .arg(kapp->aboutData()->version()), font() ); + + // set a large width just to be sure no linebreak occurs + m_header->setWidth( 800 ); + + setAcceptDrops( true ); + setBackgroundMode( PaletteBase ); + m_rows = m_cols = 1; + + m_buttonMore = new K3bFlatButton( i18n("Further actions..."), this ); + connect( m_buttonMore, SIGNAL(pressed()), parent, SLOT(slotMoreActions()) ); + + connect( k3bappcore->themeManager(), SIGNAL(themeChanged()), this, SLOT(slotThemeChanged()) ); + + slotThemeChanged(); +} + + +K3bWelcomeWidget::Display::~Display() +{ + delete m_header; + delete m_infoText; +} + + +void K3bWelcomeWidget::Display::addAction( KAction* action ) +{ + if( action ) { + m_actions.append(action); + rebuildGui(); + } +} + + +void K3bWelcomeWidget::Display::removeAction( KAction* action ) +{ + if( action ) { + m_actions.removeRef( action ); + rebuildGui(); + } +} + + +void K3bWelcomeWidget::Display::removeButton( K3bFlatButton* b ) +{ + removeAction( m_buttonMap[b] ); +} + + +void K3bWelcomeWidget::Display::rebuildGui( const QPtrList<KAction>& actions ) +{ + m_actions = actions; + rebuildGui(); +} + + +static void calculateButtons( int width, int numActions, int buttonWidth, int& cols, int& rows ) +{ + // always try to avoid horizontal scrollbars + int wa = width - 40; + cols = QMAX( 1, QMIN( wa / (buttonWidth+4), numActions ) ); + rows = numActions/cols; + int over = numActions%cols; + if( over ) { + rows++; + // try to avoid useless cols + while( over && cols - over - 1 >= rows-1 ) { + --cols; + over = numActions%cols; + } + } +} + + +void K3bWelcomeWidget::Display::rebuildGui() +{ + // step 1: delete all old buttons in the buttons QPtrList<K3bFlatButton> + m_buttonMap.clear(); + m_buttons.setAutoDelete(true); + m_buttons.clear(); + + int numActions = m_actions.count(); + if( numActions > 0 ) { + + // create buttons + for( QPtrListIterator<KAction> it( m_actions ); it.current(); ++it ) { + KAction* a = it.current(); + + K3bFlatButton* b = new K3bFlatButton( a, this ); + + m_buttons.append( b ); + m_buttonMap.insert( b, a ); + } + + // determine the needed button size (since all buttons should be equal in size + // we use the max of all sizes) + m_buttonSize = m_buttons.first()->sizeHint(); + for( QPtrListIterator<K3bFlatButton> it( m_buttons ); it.current(); ++it ) { + m_buttonSize = m_buttonSize.expandedTo( it.current()->sizeHint() ); + } + + repositionButtons(); + } +} + + +void K3bWelcomeWidget::Display::repositionButtons() +{ + // calculate rows and columns + calculateButtons( width(), m_actions.count(), m_buttonSize.width(), m_cols, m_rows ); + + int availHor = width() - 40; + int availVert = height() - 20 - 10 - m_header->height() - 10; + availVert -= m_infoText->height() - 10; + int leftMargin = 20 + (availHor - (m_buttonSize.width()+4)*m_cols)/2; + int topOffset = m_header->height() + 20 + ( availVert - (m_buttonSize.height()+4)*m_rows - m_buttonMore->height() )/2; + + int row = 0; + int col = 0; + + for( QPtrListIterator<K3bFlatButton> it( m_buttons ); it.current(); ++it ) { + K3bFlatButton* b = it.current(); + + b->setGeometry( QRect( QPoint( leftMargin + (col*(m_buttonSize.width()+4) + 2 ), + topOffset + (row*(m_buttonSize.height()+4)) + 2 ), + m_buttonSize ) ); + b->show(); + + col++; + if( col == m_cols ) { + col = 0; + row++; + } + } + if( col > 0 ) + ++row; + + m_buttonMore->setGeometry( QRect( QPoint( leftMargin + 2, + topOffset + (row*(m_buttonSize.height()+4)) + 2 ), + QSize( m_cols*(m_buttonSize.width()+4) - 4, m_buttonMore->height() ) ) ); +} + + +QSizePolicy K3bWelcomeWidget::Display::sizePolicy () const +{ + return QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum, true ); +} + + +int K3bWelcomeWidget::Display::heightForWidth( int w ) const +{ + int ow = m_infoText->width(); + m_infoText->setWidth( w ); + int h = m_infoText->height(); + m_infoText->setWidth( ow ); + + int cols, rows; + calculateButtons( w, m_actions.count(), m_buttonSize.width(), cols, rows ); + + return (20 + m_header->height() + 20 + 10 + ((m_buttonSize.height()+4)*rows) + 4 + m_buttonMore->height() + 10 + h + 20); +} + + +QSize K3bWelcomeWidget::Display::minimumSizeHint() const +{ + QSize size( QMAX(40+m_header->widthUsed(), 40+m_buttonSize.width()), + 20 + m_header->height() + 20 + 10 + m_buttonSize.height() + 10 + m_infoText->height() + 20 ); + + return size; +} + + +void K3bWelcomeWidget::Display::resizeEvent( QResizeEvent* e ) +{ + m_infoText->setWidth( width() - 20 ); + QWidget::resizeEvent(e); + repositionButtons(); + if( e->size() != m_bgPixmap.size() ) + updateBgPix(); +} + + +void K3bWelcomeWidget::Display::slotThemeChanged() +{ + if( K3bTheme* theme = k3bappcore->themeManager()->currentTheme() ) + if( theme->backgroundMode() == K3bTheme::BG_SCALE ) + m_bgImage = theme->pixmap( K3bTheme::WELCOME_BG ).convertToImage(); + + updateBgPix(); + update(); +} + +#include "fastscale/scale.h" +void K3bWelcomeWidget::Display::updateBgPix() +{ + if( K3bTheme* theme = k3bappcore->themeManager()->currentTheme() ) { + if( theme->backgroundMode() == K3bTheme::BG_SCALE ) + m_bgPixmap.convertFromImage( ImageUtils::scale( m_bgImage, rect().width(), rect().height(), ImageUtils::SMOOTH_FAST ) ); + else + m_bgPixmap = theme->pixmap( K3bTheme::WELCOME_BG ); + } +} + + +void K3bWelcomeWidget::Display::paintEvent( QPaintEvent* ) +{ + if( K3bTheme* theme = k3bappcore->themeManager()->currentTheme() ) { + QPainter p( this ); + p.setPen( theme->foregroundColor() ); + + // draw the background including first filling with the bg color for transparent images + p.fillRect( rect(), theme->backgroundColor() ); + p.drawTiledPixmap( rect(), m_bgPixmap ); + + // rect around the header + QRect rect( 10, 10, QMAX( m_header->widthUsed() + 20, width() - 20 ), m_header->height() + 20 ); + p.fillRect( rect, theme->backgroundColor() ); + p.drawRect( rect ); + + // big rect around the whole thing + p.drawRect( 10, 10, width()-20, height()-20 ); + + // draw the header text + QColorGroup grp( colorGroup() ); + grp.setColor( QColorGroup::Text, theme->foregroundColor() ); + int pos = 20; + pos += QMAX( (width()-40-m_header->widthUsed())/2, 0 ); + m_header->draw( &p, pos, 20, QRect(), grp ); + + // draw the info box + // int boxWidth = 20 + m_infoText->widthUsed(); + int boxHeight = 10 + m_infoText->height(); + QRect infoBoxRect( 10/*QMAX( (width()-20-m_infoText->widthUsed())/2, 10 )*/, + height()-10-boxHeight, + width()-20/*boxWidth*/, + boxHeight ); + p.fillRect( infoBoxRect, theme->backgroundColor() ); + p.drawRect( infoBoxRect ); + m_infoText->draw( &p, infoBoxRect.left()+5, infoBoxRect.top()+5, QRect(), grp ); + } +} + + +void K3bWelcomeWidget::Display::dragEnterEvent( QDragEnterEvent* event ) +{ + event->accept( KURLDrag::canDecode(event) ); +} + + +void K3bWelcomeWidget::Display::dropEvent( QDropEvent* e ) +{ + KURL::List urls; + KURLDrag::decode( e, urls ); + emit dropped( urls ); +} + + + +K3bWelcomeWidget::K3bWelcomeWidget( K3bMainWindow* mw, QWidget* parent, const char* name ) + : QScrollView( parent, name ), + m_mainWindow( mw ) +{ + main = new Display( this ); + addChild( main ); + + connect( main, SIGNAL(dropped(const KURL::List&)), m_mainWindow, SLOT(addUrls(const KURL::List&)) ); + + connect( kapp, SIGNAL(appearanceChanged()), main, SLOT(update()) ); +} + + +K3bWelcomeWidget::~K3bWelcomeWidget() +{ +} + + +void K3bWelcomeWidget::loadConfig( KConfigBase* c ) +{ + QStringList sl = KConfigGroup( c, "Welcome Widget" ).readListEntry( "welcome_actions" ); + + if( sl.isEmpty() ) { + sl.append( "file_new_audio" ); + sl.append( "file_new_data" ); + sl.append( "file_new_dvd" ); + sl.append( "tools_copy_cd" ); + sl.append( "tools_write_cd_image" ); + sl.append( "tools_write_dvd_iso" ); + } + + QPtrList<KAction> actions; + for( QStringList::const_iterator it = sl.begin(); it != sl.end(); ++it ) + if( KAction* a = m_mainWindow->actionCollection()->action( (*it).latin1() ) ) + actions.append(a); + + main->rebuildGui( actions ); + + fixSize(); +} + + +void K3bWelcomeWidget::saveConfig( KConfigBase* c ) +{ + KConfigGroup grp( c, "Welcome Widget" ); + + QStringList sl; + for( QPtrListIterator<KAction> it( main->m_actions ); it.current(); ++it ) + sl.append( it.current()->name() ); + + grp.writeEntry( "welcome_actions", sl ); +} + + +void K3bWelcomeWidget::resizeEvent( QResizeEvent* e ) +{ + QScrollView::resizeEvent( e ); + fixSize(); +} + + +void K3bWelcomeWidget::showEvent( QShowEvent* e ) +{ + QScrollView::showEvent( e ); + fixSize(); +} + + +void K3bWelcomeWidget::fixSize() +{ + QSize s = contentsRect().size(); + s.setWidth( QMAX( main->minimumSizeHint().width(), s.width() ) ); + s.setHeight( QMAX( main->heightForWidth(s.width()), s.height() ) ); + + main->resize( s ); + viewport()->resize( s ); +} + + +void K3bWelcomeWidget::contentsMousePressEvent( QMouseEvent* e ) +{ + if( e->button() == QMouseEvent::RightButton ) { + QMap<int, KAction*> map; + KPopupMenu addPop; + + for ( int i = 0; s_allActions[i]; ++i ) { + if ( s_allActions[i][0] != '_' ) { + KAction* a = m_mainWindow->actionCollection()->action( s_allActions[i] ); + if ( a && !main->m_actions.containsRef(a) ) { + map.insert( addPop.insertItem( a->iconSet(), a->text() ), a ); + } + } + } + + // menu identifiers in QT are always < 0 (when automatically generated) + // and unique throughout the entire application! + int r = 0; + int removeAction = 0; + + QWidget* widgetAtPos = viewport()->childAt(e->pos()); + if( widgetAtPos && widgetAtPos->inherits( "K3bFlatButton" ) ) { + KPopupMenu pop; + removeAction = pop.insertItem( SmallIcon("remove"), i18n("Remove Button") ); + if ( addPop.count() > 0 ) + pop.insertItem( i18n("Add Button"), &addPop ); + pop.insertSeparator(); + r = pop.exec( e->globalPos() ); + } + else { + addPop.insertTitle( i18n("Add Button"), -1, 0 ); + addPop.insertSeparator(); + r = addPop.exec( e->globalPos() ); + } + + if( r != 0 ) { + if( r == removeAction ) + main->removeButton( static_cast<K3bFlatButton*>(widgetAtPos) ); + else + main->addAction( map[r] ); + } + + fixSize(); + } +} + + +void K3bWelcomeWidget::slotMoreActions() +{ + KPopupMenu popup; + + for ( int i = 0; s_allActions[i]; ++i ) { + if ( s_allActions[i][0] == '_' ) { + (new KActionSeparator( &popup ))->plug( &popup ); + } + else { + m_mainWindow->actionCollection()->action( s_allActions[i] )->plug( &popup ); + } + } + + popup.exec( QCursor::pos() ); +} + +#include "k3bwelcomewidget.moc" |