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tdegraphics/kpdf/ui/pageviewutils.cpp

208 lines
5.8 KiB

/***************************************************************************
* Copyright (C) 2004 by Enrico Ros <eros.kde@email.it> *
* *
* 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. *
***************************************************************************/
// qt/kde includes
#include <tqbitmap.h>
#include <tqpainter.h>
#include <tqimage.h>
#include <tqtimer.h>
#include <kapplication.h>
#include <kimageeffect.h>
#include <kiconloader.h>
// local includes
#include "pageviewutils.h"
#include "core/page.h"
#include "conf/settings.h"
PageViewMessage::PageViewMessage( TQWidget * parent )
: TQWidget( parent, "pageViewMessage" ), m_timer( 0 )
{
setFocusPolicy( TQ_NoFocus );
setBackgroundMode( NoBackground );
setPaletteBackgroundColor(kapp->palette().color(TQPalette::Active, TQColorGroup::Background));
// if the tqlayout is LtR, we can safely place it in the right position
if ( !TQApplication::reverseLayout() )
move( 10, 10 );
resize( 0, 0 );
hide();
}
void PageViewMessage::display( const TQString & message, Icon icon, int durationMs )
// give to Caesar what Caesar owns: code taken from Amarok's osd.h/.cpp
// "redde (reddite, pl.) cesari quae sunt cesaris", just btw. ;)
{
if ( !KpdfSettings::showOSD() )
{
hide();
return;
}
// determine text rectangle
TQRect textRect = fontMetrics().boundingRect( message );
textRect.moveBy( -textRect.left(), -textRect.top() );
textRect.addCoords( 0, 0, 2, 2 );
int width = textRect.width(),
height = textRect.height(),
textXOffset = 0,
iconXOffset = 0,
shadowOffset = 1;
// load icon (if set) and update tqgeometry
TQPixmap symbol;
if ( icon != None )
{
switch ( icon )
{
case Find:
symbol = SmallIcon( "viewmag" );
break;
case Error:
symbol = SmallIcon( "messagebox_critical" );
break;
case Warning:
symbol = SmallIcon( "messagebox_warning" );
break;
default:
symbol = SmallIcon( "messagebox_info" );
break;
}
if ( TQApplication::reverseLayout() )
{
iconXOffset = 2 + textRect.width();
}
else
{
textXOffset = 2 + symbol.width();
}
width += 2 + symbol.width();
height = TQMAX( height, symbol.height() );
}
TQRect tqgeometry( 0, 0, width + 10, height + 8 );
// resize pixmap, mask and widget
static TQBitmap mask;
mask.resize( tqgeometry.size() );
m_pixmap.resize( tqgeometry.size() );
resize( tqgeometry.size() );
// create and set transparency mask
TQPainter maskPainter( &mask);
mask.fill( TQt::black );
maskPainter.setBrush( TQt::white );
maskPainter.drawRoundRect( tqgeometry, 1600 / tqgeometry.width(), 1600 / tqgeometry.height() );
setMask( mask );
// draw background
TQPainter bufferPainter( &m_pixmap );
bufferPainter.setPen( TQt::black );
bufferPainter.setBrush( paletteBackgroundColor() );
bufferPainter.drawRoundRect( tqgeometry, 1600 / tqgeometry.width(), 1600 / tqgeometry.height() );
// draw icon if present
if ( !symbol.isNull() )
bufferPainter.drawPixmap( 5 + iconXOffset, 4, symbol, 0, 0, symbol.width(), symbol.height() );
// draw shadow and text
int yText = tqgeometry.height() - height / 2;
bufferPainter.setPen( paletteBackgroundColor().dark( 115 ) );
bufferPainter.drawText( 5 + textXOffset + shadowOffset, yText + 1, message );
bufferPainter.setPen( foregroundColor() );
bufferPainter.drawText( 5 + textXOffset, yText, message );
// if the tqlayout is RtL, we can move it to the right place only after we
// know how much size it will take
if ( TQApplication::reverseLayout() )
move( parentWidget()->width() - tqgeometry.width() - 10, 10 );
// show widget and schedule a tqrepaint
show();
update();
// close the message window after given mS
if ( durationMs > 0 )
{
if ( !m_timer )
{
m_timer = new TQTimer( this );
connect( m_timer, TQT_SIGNAL( timeout() ), TQT_SLOT( hide() ) );
}
m_timer->start( durationMs, true );
} else if ( m_timer )
m_timer->stop();
}
void PageViewMessage::paintEvent( TQPaintEvent * e )
{
TQPainter p( this );
p.drawPixmap( e->rect().topLeft(), m_pixmap, e->rect() );
}
void PageViewMessage::mousePressEvent( TQMouseEvent * /*e*/ )
{
if ( m_timer )
m_timer->stop();
hide();
}
PageViewItem::PageViewItem( const KPDFPage * page )
: m_page( page ), m_zoomFactor( 1.0 )
{
}
const KPDFPage * PageViewItem::page() const
{
return m_page;
}
int PageViewItem::pageNumber() const
{
return m_page->number();
}
const TQRect& PageViewItem::tqgeometry() const
{
return m_tqgeometry;
}
int PageViewItem::width() const
{
return m_tqgeometry.width();
}
int PageViewItem::height() const
{
return m_tqgeometry.height();
}
double PageViewItem::zoomFactor() const
{
return m_zoomFactor;
}
void PageViewItem::setGeometry( int x, int y, int width, int height )
{
m_tqgeometry.setRect( x, y, width, height );
}
void PageViewItem::setWHZ( int w, int h, double z )
{
m_tqgeometry.setWidth( w );
m_tqgeometry.setHeight( h );
m_zoomFactor = z;
}
void PageViewItem::moveTo( int x, int y )
{
m_tqgeometry.moveLeft( x );
m_tqgeometry.moveTop( y );
}