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/*
*
* $Id: k3bwelcomewidget.cpp 676186 2007-06-16 08:53:46Z trueg $
* Copyright (C) 2003-2007 Sebastian Trueg <[email protected]>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
*
* 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 <tqpixmap.h>
#include <tqtoolbutton.h>
#include <tqlabel.h>
#include <tqpainter.h>
#include <tqsimplerichtext.h>
#include <tqptrlist.h>
#include <tqmap.h>
#include <tqtooltip.h>
#include <tqcursor.h>
#include <tqimage.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 )
: TQWidget( parent->viewport() )
{
setWFlags( TQt::WNoAutoErase );
TQFont fnt(font());
fnt.setBold(true);
fnt.setPointSize( 16 );
m_header = new TQSimpleRichText( i18n("Welcome to K3b - The CD and DVD Kreator"), fnt );
m_infoText = new TQSimpleRichText( TQString::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, TQT_SIGNAL(pressed()), parent, TQT_SLOT(slotMoreActions()) );
connect( k3bappcore->themeManager(), TQT_SIGNAL(themeChanged()), this, TQT_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 TQPtrList<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 = TQMAX( 1, TQMIN( 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 TQPtrList<K3bFlatButton>
m_buttonMap.clear();
m_buttons.setAutoDelete(true);
m_buttons.clear();
int numActions = m_actions.count();
if( numActions > 0 ) {
// create buttons
for( TQPtrListIterator<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( TQPtrListIterator<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( TQPtrListIterator<K3bFlatButton> it( m_buttons ); it.current(); ++it ) {
K3bFlatButton* b = it.current();
b->setGeometry( TQRect( TQPoint( 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( TQRect( TQPoint( leftMargin + 2,
topOffset + (row*(m_buttonSize.height()+4)) + 2 ),
TQSize( m_cols*(m_buttonSize.width()+4) - 4, m_buttonMore->height() ) ) );
}
TQSizePolicy K3bWelcomeWidget::Display::sizePolicy () const
{
return TQSizePolicy( TQSizePolicy::Minimum, TQSizePolicy::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);
}
TQSize K3bWelcomeWidget::Display::minimumSizeHint() const
{
TQSize size( TQMAX(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( TQResizeEvent* e )
{
m_infoText->setWidth( width() - 20 );
TQWidget::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( TQPaintEvent* )
{
if( K3bTheme* theme = k3bappcore->themeManager()->currentTheme() ) {
TQPainter 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
TQRect rect( 10, 10, TQMAX( 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
TQColorGroup grp( colorGroup() );
grp.setColor( TQColorGroup::Text, theme->foregroundColor() );
int pos = 20;
pos += TQMAX( (width()-40-m_header->widthUsed())/2, 0 );
m_header->draw( &p, pos, 20, TQRect(), grp );
// draw the info box
// int boxWidth = 20 + m_infoText->widthUsed();
int boxHeight = 10 + m_infoText->height();
TQRect infoBoxRect( 10/*TQMAX( (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, TQRect(), grp );
}
}
void K3bWelcomeWidget::Display::dragEnterEvent( TQDragEnterEvent* event )
{
event->accept( KURLDrag::canDecode(event) );
}
void K3bWelcomeWidget::Display::dropEvent( TQDropEvent* e )
{
KURL::List urls;
KURLDrag::decode( e, urls );
emit dropped( urls );
}
K3bWelcomeWidget::K3bWelcomeWidget( K3bMainWindow* mw, TQWidget* parent, const char* name )
: TQScrollView( parent, name ),
m_mainWindow( mw )
{
main = new Display( this );
addChild( main );
connect( main, TQT_SIGNAL(dropped(const KURL::List&)), m_mainWindow, TQT_SLOT(addUrls(const KURL::List&)) );
connect( kapp, TQT_SIGNAL(appearanceChanged()), main, TQT_SLOT(update()) );
}
K3bWelcomeWidget::~K3bWelcomeWidget()
{
}
void K3bWelcomeWidget::loadConfig( KConfigBase* c )
{
TQStringList 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" );
}
TQPtrList<KAction> actions;
for( TQStringList::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" );
TQStringList sl;
for( TQPtrListIterator<KAction> it( main->m_actions ); it.current(); ++it )
sl.append( it.current()->name() );
grp.writeEntry( "welcome_actions", sl );
}
void K3bWelcomeWidget::resizeEvent( TQResizeEvent* e )
{
TQScrollView::resizeEvent( e );
fixSize();
}
void K3bWelcomeWidget::showEvent( TQShowEvent* e )
{
TQScrollView::showEvent( e );
fixSize();
}
void K3bWelcomeWidget::fixSize()
{
TQSize s = contentsRect().size();
s.setWidth( TQMAX( main->minimumSizeHint().width(), s.width() ) );
s.setHeight( TQMAX( main->heightForWidth(s.width()), s.height() ) );
main->resize( s );
viewport()->resize( s );
}
void K3bWelcomeWidget::contentsMousePressEvent( TQMouseEvent* e )
{
if( e->button() == Qt::RightButton ) {
TQMap<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;
TQWidget* 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( TQT_TQOBJECT(&popup) ))->plug( &popup );
}
else {
m_mainWindow->actionCollection()->action( s_allActions[i] )->plug( &popup );
}
}
popup.exec( TQCursor::pos() );
}
#include "k3bwelcomewidget.moc"
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