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Removed shared PixmapWidget class (obsoleted with new PageView design).

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A small and fast ThumbnailWidget imported into ThumbnailList.

svn path=/branches/kpdf_experiments/kdegraphics/kpdf/; revision=359114
remotes/origin/kpdf-experiments
Enrico Ros 22 years ago
parent a9ab386752
commit da9dd025e5
4 changed files with 92 additions and 228 deletions
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  1. 1
      kpdf/pageview.cpp
  2. 161
      kpdf/pixmapwidget.cpp
  3. 61
      kpdf/pixmapwidget.h
  4. 97
      kpdf/thumbnaillist.cpp

1
kpdf/pageview.cpp
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@ -34,7 +34,6 @@
#include "pageview.h"
#include "pageviewutils.h"
#include "pixmapwidget.h"
#include "page.h"
#include "settings.h"

161
kpdf/pixmapwidget.cpp
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@ -8,166 +8,5 @@
* (at your option) any later version. *
***************************************************************************/
#include <qpainter.h>
#include <qsize.h>
#include <kglobalsettings.h>
#include <kdebug.h>
#include "pixmapwidget.h"
#include "document.h"
#include "page.h"
#include "settings.h"
// TODO : REMOVE "#ifndef NDEBUG" stuff before merging to HEAD! (added 20041024)
PixmapWidget::PixmapWidget( QWidget * parent, const KPDFPage * kp, const char * name )
/* Note on PixmapWidget Wflags (Enrico):
It's SO IMPORTANT to set WNoAutoErase and WStaticContents.
If not, already exposed widgets will receive a paint event when resized
(for example when zooming/relayouting in PageView) even if not shown in
current PageView's viewport.
*/
: QWidget( parent, name, WNoAutoErase | WStaticContents ), m_page( kp ),
m_marginLeft( 0 ), m_marginTop( 0 ), m_marginRight( 0 ), m_marginBottom( 0 ),
m_pixmapWidth( -1 ), m_pixmapHeight( -1 ),
m_zoomFactor( 1.0 )
{
}
void PixmapWidget::setZoomFixed( double magFactor )
{
m_pixmapWidth = (int)( magFactor * m_page->width() );
m_pixmapHeight = (int)( magFactor * m_page->height() );
m_zoomFactor = magFactor;
}
void PixmapWidget::setZoomFitWidth( int width )
{
m_pixmapWidth = width - m_marginLeft - m_marginRight;
m_pixmapHeight = (int)(m_page->ratio() * m_pixmapWidth);
// compute equivalent zoom factor
m_zoomFactor = (double)m_pixmapWidth / (double)m_page->width();
}
void PixmapWidget::setZoomFitRect( int rectWidth, int rectHeight )
{
rectWidth -= (m_marginLeft + m_marginRight);
rectHeight -= (m_marginTop + m_marginBottom);
double scaleW = (double)rectWidth / (double)m_page->width();
double scaleH = (double)rectHeight / (double)m_page->height();
setZoomFixed( scaleW < scaleH ? scaleW : scaleH );
}
int PixmapWidget::widthHint() const
{
#ifndef NDEBUG
return m_marginLeft + pixmapWidth() + m_marginRight;
#else
return m_marginLeft + m_pixmapWidth + m_marginRight;
#endif
}
int PixmapWidget::heightHint() const
{
#ifndef NDEBUG
return m_marginTop + pixmapHeight() + m_marginBottom;
#else
return m_marginTop + m_pixmapHeight + m_marginBottom;
#endif
}
int PixmapWidget::pixmapWidth() const
{
#ifndef NDEBUG
// code enabled for dev/testers only. please make sure that setZoom*
// gets called
if ( m_pixmapWidth < 0 )
{
kdDebug() << "No pixmapWidth set for page " << m_page->number() << " !" << endl;
return 1;
}
#endif
return m_pixmapWidth;
}
int PixmapWidget::pixmapHeight() const
{
#ifndef NDEBUG
// code enabled for dev/testers only. please make sure that setZoom*
// gets called
if ( m_pixmapHeight < 0 )
{
kdDebug() << "No pixmapHeight set for page " << m_page->number() << " !" << endl;
return 1;
}
#endif
return m_pixmapHeight;
}
int PixmapWidget::pageNumber() const
{
return m_page->number();
}
const KPDFPage * PixmapWidget::page() const
{
return m_page;
}
void PixmapWidget::setPixmapMargins( int left, int top, int right, int bottom )
{
m_marginLeft = left;
m_marginTop = top;
m_marginRight = right;
m_marginBottom = bottom;
}
/** ThumbnailWidget **/
ThumbnailWidget::ThumbnailWidget( QWidget *parent, const KPDFPage *page )
: PixmapWidget( parent, page ), m_selected( false )
{
m_labelNumber = page->number() + 1;
m_labelHeight = QFontMetrics( font() ).height();
setPixmapMargins( 2, 1, 2, m_labelHeight + 2 );
}
void ThumbnailWidget::setSelected( bool selected )
{
m_selected = selected;
update( 0, m_pixmapHeight + 3, width(), m_labelHeight );
}
void ThumbnailWidget::paintEvent( QPaintEvent * e )
{
int width = m_marginLeft + m_pixmapWidth + m_marginRight;
QRect clipRect = e->rect();
QPainter p( this );
// draw the bottom label
if ( clipRect.bottom() > m_pixmapHeight + 3 )
{
QColor fillColor = m_selected ? palette().active().highlight() : palette().active().base();
p.fillRect( 0, m_pixmapHeight + 4, width, m_labelHeight, fillColor );
p.drawText( 0, m_pixmapHeight + 4, width, m_labelHeight, Qt::AlignCenter, QString::number( m_labelNumber ) );
}
// draw page outline and pixmap
if ( clipRect.top() < m_pixmapHeight + 4 )
{
p.drawRect( 1, 1, m_pixmapWidth + 2, m_pixmapHeight + 2 );
p.setPen( palette().active().base() );
p.drawRect( 0, 0, m_pixmapWidth + 4, m_pixmapHeight + 4 );
p.setPen( Qt::gray );
p.drawLine( 5, m_pixmapHeight + 3, m_pixmapWidth + 3, m_pixmapHeight + 3 );
p.drawLine( m_pixmapWidth + 3, 5, m_pixmapWidth + 3, m_pixmapHeight + 3 );
p.translate( 2, 2 );
clipRect.moveBy( -2, -2 );
clipRect = clipRect.intersect( QRect( 0, 0, m_pixmapWidth, m_pixmapHeight ) );
m_page->drawPixmap( THUMBNAILS_ID, &p, clipRect, m_pixmapWidth, m_pixmapHeight );
}
p.end();
}

61
kpdf/pixmapwidget.h
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@ -11,65 +11,4 @@
#ifndef _PIXMAPWIDGET_H_
#define _PIXMAPWIDGET_H_
#include <qwidget.h>
#include <qrect.h>
class KPDFPage;
/**
* @short Graphical representation of a page.
* ...
*/
class PixmapWidget : public QWidget
{
public:
PixmapWidget( QWidget * parent, const KPDFPage * page, const char * name = 0 );
// internal size/placements evaluators
void setZoomFixed( double magFactor = 1.0 );
void setZoomFitWidth( int width );
void setZoomFitRect( int rectWidth, int rectHeight );
float zoomFactor() const { return m_zoomFactor; }
// full size (for resizing) and inner pixmap size
int widthHint() const;
int heightHint() const;
int pixmapWidth() const;
int pixmapHeight() const;
// other queries
int pageNumber() const;
const KPDFPage * page() const;
protected:
void setPixmapMargins( int left, int top, int right, int bottom );
const KPDFPage * m_page;
int m_marginLeft, m_marginTop, m_marginRight, m_marginBottom;
int m_pixmapWidth, m_pixmapHeight;
float m_zoomFactor;
};
/**
* @short ThumbnailList's selectable page.
* ...
*/
class ThumbnailWidget : public PixmapWidget
{
public:
ThumbnailWidget( QWidget *parent, const KPDFPage *page );
// set the thumbnail selected state
void setSelected( bool selected );
protected:
void paintEvent(QPaintEvent *);
private:
bool m_selected;
int m_labelNumber;
int m_labelHeight;
};
#endif

97
kpdf/thumbnaillist.cpp
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@ -8,6 +8,7 @@
***************************************************************************/
#include <qtimer.h>
#include <qpainter.h>
#include <klocale.h>
#include <kurl.h>
#include <kurldrag.h>
@ -15,9 +16,38 @@
#include <kactioncollection.h>
#include "thumbnaillist.h"
#include "pixmapwidget.h"
#include "page.h"
// ThumbnailWidget represents a single thumbnail in the ThumbnailList
class ThumbnailWidget : public QWidget
{
public:
ThumbnailWidget( QWidget * parent, const KPDFPage * page );
// set internal parameters to fit the page in the given width
void resizeFitWidth( int width );
// set thumbnail's selected state
void setSelected( bool selected );
// query methods
int heightHint() const { return m_pixmapHeight + m_labelHeight + 4; }
int pixmapWidth() const { return m_pixmapWidth; }
int pixmapHeight() const { return m_pixmapHeight; }
int pageNumber() const { return m_page->number(); }
protected:
void paintEvent(QPaintEvent *);
private:
const KPDFPage * m_page;
bool m_selected;
int m_pixmapWidth, m_pixmapHeight;
int m_labelHeight, m_labelNumber;
};
/** ThumbnailList implementation **/
ThumbnailList::ThumbnailList( QWidget *parent, KPDFDocument *document )
: QScrollView( parent, "KPDF::Thumbnails", WNoAutoErase | WStaticContents ),
m_document( document ), m_selected( 0 ), m_delayTimer( 0 )
@ -83,8 +113,7 @@ void ThumbnailList::pageSetup( const QValueVector<KPDFPage*> & pages, bool /*doc
// add to the internal queue
m_thumbnails.push_back( t );
// update total height (asking widget its own height)
t->setZoomFitWidth( width );
t->resize( t->widthHint(), t->heightHint() );
t->resizeFitWidth( width );
totalHeight += t->heightHint() + 4;
t->show();
}
@ -220,8 +249,7 @@ void ThumbnailList::viewportResizeEvent( QResizeEvent * e )
{
ThumbnailWidget *t = *thumbIt;
moveChild( t, 0, totalHeight );
t->setZoomFitWidth( newWidth );
t->resize( t->widthHint(), t->heightHint() );
t->resizeFitWidth( newWidth );
totalHeight += t->heightHint() + 4;
}
@ -274,4 +302,63 @@ void ThumbnailList::requestPixmaps( int delayMs )
m_delayTimer->start( delayMs, true );
}
/** ThumbnailWidget implementation **/
ThumbnailWidget::ThumbnailWidget( QWidget * parent, const KPDFPage * kp )
: QWidget( parent, 0, WNoAutoErase ), m_page( kp ),
m_selected( false ), m_pixmapWidth( 10 ), m_pixmapHeight( 10 )
{
m_labelNumber = m_page->number() + 1;
m_labelHeight = QFontMetrics( font() ).height();
}
void ThumbnailWidget::resizeFitWidth( int width )
{
m_pixmapWidth = width - 4;
m_pixmapHeight = (int)(m_page->ratio() * m_pixmapWidth);
resize( width, heightHint() );
}
void ThumbnailWidget::setSelected( bool selected )
{
// update selected state
if ( m_selected != selected )
{
m_selected = selected;
update( 0, m_pixmapHeight + 4, width(), m_labelHeight );
}
}
void ThumbnailWidget::paintEvent( QPaintEvent * e )
{
int width = m_pixmapWidth + 4;
QRect clipRect = e->rect();
QPainter p( this );
// draw the bottom label
if ( clipRect.bottom() > m_pixmapHeight + 3 )
{
QColor fillColor = m_selected ? palette().active().highlight() : palette().active().base();
p.fillRect( 0, m_pixmapHeight + 4, width, m_labelHeight, fillColor );
p.drawText( 0, m_pixmapHeight + 4, width, m_labelHeight, Qt::AlignCenter, QString::number( m_labelNumber ) );
}
// draw page outline and pixmap
if ( clipRect.top() < m_pixmapHeight + 4 )
{
p.drawRect( 1, 1, m_pixmapWidth + 2, m_pixmapHeight + 2 );
p.setPen( palette().active().base() );
p.drawRect( 0, 0, m_pixmapWidth + 4, m_pixmapHeight + 4 );
p.setPen( Qt::gray );
p.drawLine( 5, m_pixmapHeight + 3, m_pixmapWidth + 3, m_pixmapHeight + 3 );
p.drawLine( m_pixmapWidth + 3, 5, m_pixmapWidth + 3, m_pixmapHeight + 3 );
p.translate( 2, 2 );
clipRect.moveBy( -2, -2 );
clipRect = clipRect.intersect( QRect( 0, 0, m_pixmapWidth, m_pixmapHeight ) );
m_page->drawPixmap( THUMBNAILS_ID, &p, clipRect, m_pixmapWidth, m_pixmapHeight );
}
}
#include "thumbnaillist.moc"

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