You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
437 lines
13 KiB
437 lines
13 KiB
/***************************************************************************
|
|
* Copyright (C) 2005 by Enrico Ros <eros.kde@email.it> *
|
|
* Copyright (C) 2006 by Albert Astals Cid <aacid@kde.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. *
|
|
***************************************************************************/
|
|
|
|
// qt / kde includes
|
|
#include <tqapplication.h>
|
|
#include <tqpushbutton.h>
|
|
#include <tqlabel.h>
|
|
#include <tqlineedit.h>
|
|
#include <tqlayout.h>
|
|
#include <tqvalidator.h>
|
|
#include <tqpainter.h>
|
|
#include <kiconloader.h>
|
|
#include <kaccelmanager.h>
|
|
#include <tdeversion.h>
|
|
|
|
// local includes
|
|
#include "core/document.h"
|
|
#include "minibar.h"
|
|
|
|
// [private widget] show progress
|
|
class ProgressWidget : public TQWidget
|
|
{
|
|
public:
|
|
ProgressWidget( MiniBar * parent );
|
|
void setProgress( float percentage );
|
|
|
|
protected:
|
|
void mouseMoveEvent( TQMouseEvent * e );
|
|
void mousePressEvent( TQMouseEvent * e );
|
|
void wheelEvent( TQWheelEvent * e );
|
|
void paintEvent( TQPaintEvent * e );
|
|
|
|
private:
|
|
MiniBar * m_miniBar;
|
|
float m_progressPercentage;
|
|
};
|
|
|
|
// [private widget] lineEdit for entering/validating page numbers
|
|
class PagesEdit : public TQLineEdit
|
|
{
|
|
public:
|
|
PagesEdit( MiniBar * parent );
|
|
void setPagesNumber( int pages );
|
|
void setText( const TQString & );
|
|
|
|
protected:
|
|
void focusInEvent( TQFocusEvent * e );
|
|
void focusOutEvent( TQFocusEvent * e );
|
|
void mousePressEvent( TQMouseEvent * e );
|
|
void wheelEvent( TQWheelEvent * e );
|
|
|
|
private:
|
|
MiniBar * m_miniBar;
|
|
bool m_eatClick;
|
|
TQString backString;
|
|
TQIntValidator * m_validator;
|
|
};
|
|
|
|
// [private widget] a flat qpushbutton that enlights on hover
|
|
class HoverButton : public TQPushButton
|
|
{
|
|
public:
|
|
HoverButton( TQWidget * parent );
|
|
|
|
protected:
|
|
void paintEvent( TQPaintEvent * e );
|
|
void enterEvent( TQPaintEvent * e );
|
|
void leaveEvent( TQPaintEvent * e );
|
|
};
|
|
|
|
|
|
/** MiniBar **/
|
|
|
|
MiniBar::MiniBar( TQWidget * parent, KPDFDocument * document )
|
|
: TQFrame( parent, "miniBar" ), m_document( document ),
|
|
m_currentPage( -1 )
|
|
{
|
|
// left spacer
|
|
TQHBoxLayout * horLayout = new TQHBoxLayout( this );
|
|
TQSpacerItem * spacerL = new TQSpacerItem( 20, 10, TQSizePolicy::Expanding );
|
|
horLayout->addItem( spacerL );
|
|
|
|
// central 2r by 3c grid layout that contains all components
|
|
TQGridLayout * gridLayout = new TQGridLayout( 0, 3,5, 2,1 );
|
|
// top spacer 6x6 px
|
|
// TQSpacerItem * spacerTop = new TQSpacerItem( 6, 6, TQSizePolicy::Fixed, TQSizePolicy::Fixed );
|
|
// gridLayout->addMultiCell( spacerTop, 0, 0, 0, 4 );
|
|
// center progress widget
|
|
m_progressWidget = new ProgressWidget( this );
|
|
gridLayout->addMultiCellWidget( m_progressWidget, 0, 0, 0, 4 );
|
|
// bottom: left prev_page button
|
|
m_prevButton = new HoverButton( this );
|
|
m_prevButton->setIconSet( SmallIconSet( TQApplication::reverseLayout() ? "1rightarrow" : "1leftarrow" ) );
|
|
gridLayout->addWidget( m_prevButton, 1, 0 );
|
|
// bottom: left lineEdit (current page box)
|
|
m_pagesEdit = new PagesEdit( this );
|
|
gridLayout->addWidget( m_pagesEdit, 1, 1 );
|
|
// bottom: central '/' label
|
|
gridLayout->addWidget( new TQLabel( "/", this ), 1, 2 );
|
|
// bottom: right button
|
|
m_pagesButton = new HoverButton( this );
|
|
gridLayout->addWidget( m_pagesButton, 1, 3 );
|
|
// bottom: right next_page button
|
|
m_nextButton = new HoverButton( this );
|
|
m_nextButton->setIconSet( SmallIconSet( TQApplication::reverseLayout() ? "1leftarrow" : "1rightarrow" ) );
|
|
gridLayout->addWidget( m_nextButton, 1, 4 );
|
|
horLayout->addLayout( gridLayout );
|
|
|
|
// right spacer
|
|
TQSpacerItem * spacerR = new TQSpacerItem( 20, 10, TQSizePolicy::Expanding );
|
|
horLayout->addItem( spacerR );
|
|
|
|
// customize own look
|
|
setFrameStyle( TQFrame::StyledPanel | TQFrame::Sunken );
|
|
|
|
// connect signals from child widgets to internal handlers / signals bouncers
|
|
connect( m_pagesEdit, TQT_SIGNAL( returnPressed() ), this, TQT_SLOT( slotChangePage() ) );
|
|
connect( m_pagesButton, TQT_SIGNAL( clicked() ), this, TQT_SIGNAL( gotoPage() ) );
|
|
connect( m_prevButton, TQT_SIGNAL( clicked() ), this, TQT_SIGNAL( prevPage() ) );
|
|
connect( m_nextButton, TQT_SIGNAL( clicked() ), this, TQT_SIGNAL( nextPage() ) );
|
|
|
|
// widget starts hidden (will be shown after opening a document)
|
|
parent->hide();
|
|
}
|
|
|
|
MiniBar::~MiniBar()
|
|
{
|
|
m_document->removeObserver( this );
|
|
}
|
|
|
|
void MiniBar::notifySetup( const TQValueVector< KPDFPage * > & pageVector, bool changed )
|
|
{
|
|
// only process data when document changes
|
|
if ( !changed )
|
|
return;
|
|
|
|
// if document is closed or has no pages, hide widget
|
|
int pages = pageVector.count();
|
|
if ( pages < 1 )
|
|
{
|
|
m_currentPage = -1;
|
|
TQT_TQWIDGET( parent() )->hide();
|
|
return;
|
|
}
|
|
|
|
// resize width of widgets
|
|
int numberWidth = 10 + fontMetrics().width( TQString::number( pages ) );
|
|
m_pagesEdit->setMinimumWidth( numberWidth );
|
|
m_pagesEdit->setMaximumWidth( 2 * numberWidth );
|
|
m_pagesButton->setMinimumWidth( numberWidth );
|
|
m_pagesButton->setMaximumWidth( 2 * numberWidth );
|
|
|
|
// resize height of widgets
|
|
int fixedHeight = fontMetrics().height() + 2;
|
|
if ( fixedHeight < 18 )
|
|
fixedHeight = 18;
|
|
m_pagesEdit->setFixedHeight( fixedHeight );
|
|
m_pagesButton->setFixedHeight( fixedHeight );
|
|
m_prevButton->setFixedHeight( fixedHeight );
|
|
m_nextButton->setFixedHeight( fixedHeight );
|
|
|
|
// update child widgets
|
|
m_pagesEdit->setPagesNumber( pages );
|
|
m_pagesButton->setText( TQString::number( pages ) );
|
|
m_prevButton->setEnabled( false );
|
|
m_nextButton->setEnabled( false );
|
|
TQT_TQWIDGET( parent() )->show();
|
|
}
|
|
|
|
void MiniBar::notifyViewportChanged( bool /*smoothMove*/ )
|
|
{
|
|
// get current page number
|
|
int page = m_document->viewport().pageNumber;
|
|
int pages = m_document->pages();
|
|
|
|
// if the document is opened and page is changed
|
|
if ( page != m_currentPage && pages > 0 )
|
|
{
|
|
// update percentage
|
|
m_currentPage = page;
|
|
float percentage = pages < 2 ? 1.0 : (float)page / (float)(pages - 1);
|
|
m_progressWidget->setProgress( percentage );
|
|
// update prev/next button state
|
|
m_prevButton->setEnabled( page > 0 );
|
|
m_nextButton->setEnabled( page < ( pages - 1 ) );
|
|
// update text on widgets
|
|
m_pagesEdit->setText( TQString::number( page + 1 ) );
|
|
}
|
|
}
|
|
|
|
void MiniBar::resizeEvent( TQResizeEvent * e )
|
|
{
|
|
// auto-hide 'prev' and 'next' buttons if not enough space
|
|
const TQSize & myHint = minimumSizeHint();
|
|
bool shown = m_prevButton->isVisible() && m_nextButton->isVisible();
|
|
if ( shown && e->size().width() < myHint.width() )
|
|
{
|
|
m_prevButton->hide();
|
|
m_nextButton->hide();
|
|
updateGeometry();
|
|
}
|
|
else if ( !shown )
|
|
{
|
|
int histeresis = m_prevButton->sizeHint().width() * 2 + 2;
|
|
if ( e->size().width() > (myHint.width() + histeresis) )
|
|
{
|
|
m_prevButton->show();
|
|
m_nextButton->show();
|
|
updateGeometry();
|
|
}
|
|
}
|
|
}
|
|
|
|
void MiniBar::slotChangePage()
|
|
{
|
|
// get text from the lineEdit
|
|
TQString pageNumber = m_pagesEdit->text();
|
|
|
|
// convert it to page number and go to that page
|
|
bool ok;
|
|
int number = pageNumber.toInt( &ok ) - 1;
|
|
if ( ok && number >= 0 && number < (int)m_document->pages() &&
|
|
number != m_currentPage )
|
|
{
|
|
m_document->setViewportPage( number );
|
|
m_pagesEdit->clearFocus();
|
|
}
|
|
}
|
|
|
|
void MiniBar::slotGotoNormalizedPage( float index )
|
|
{
|
|
// figure out page number and go to that page
|
|
int number = (int)( index * (float)m_document->pages() );
|
|
if ( number >= 0 && number < (int)m_document->pages() &&
|
|
number != m_currentPage )
|
|
m_document->setViewportPage( number );
|
|
}
|
|
|
|
void MiniBar::slotEmitNextPage()
|
|
{
|
|
// emit signal
|
|
nextPage();
|
|
}
|
|
|
|
void MiniBar::slotEmitPrevPage()
|
|
{
|
|
// emit signal
|
|
prevPage();
|
|
}
|
|
|
|
|
|
|
|
/** ProgressWidget **/
|
|
|
|
ProgressWidget::ProgressWidget( MiniBar * parent )
|
|
: TQWidget( parent, "progress", WNoAutoErase ),
|
|
m_miniBar( parent ), m_progressPercentage( -1 )
|
|
{
|
|
setFixedHeight( 4 );
|
|
setMouseTracking( true );
|
|
}
|
|
|
|
void ProgressWidget::setProgress( float percentage )
|
|
{
|
|
m_progressPercentage = percentage;
|
|
update();
|
|
}
|
|
|
|
void ProgressWidget::mouseMoveEvent( TQMouseEvent * e )
|
|
{
|
|
if ( e->state() == Qt::LeftButton && width() > 0 )
|
|
m_miniBar->slotGotoNormalizedPage( (float)( TQApplication::reverseLayout() ? width() - e->x() : e->x() ) / (float)width() );
|
|
}
|
|
|
|
void ProgressWidget::mousePressEvent( TQMouseEvent * e )
|
|
{
|
|
if ( e->button() == Qt::LeftButton && width() > 0 )
|
|
m_miniBar->slotGotoNormalizedPage( (float)( TQApplication::reverseLayout() ? width() - e->x() : e->x() ) / (float)width() );
|
|
}
|
|
|
|
void ProgressWidget::wheelEvent( TQWheelEvent * e )
|
|
{
|
|
if ( e->delta() > 0 )
|
|
m_miniBar->slotEmitNextPage();
|
|
else
|
|
m_miniBar->slotEmitPrevPage();
|
|
}
|
|
|
|
void ProgressWidget::paintEvent( TQPaintEvent * e )
|
|
{
|
|
if ( m_progressPercentage < 0.0 )
|
|
return;
|
|
|
|
// find out the 'fill' and the 'clear' rectangles
|
|
int w = width(),
|
|
h = height(),
|
|
l = (int)( (float)w * m_progressPercentage );
|
|
TQRect cRect = ( TQApplication::reverseLayout() ? TQRect( 0, 0, w - l, h ) : TQRect( l, 0, w - l, h ) ).intersect( e->rect() );
|
|
TQRect fRect = ( TQApplication::reverseLayout() ? TQRect( w - l, 0, l, h ) : TQRect( 0, 0, l, h ) ).intersect( e->rect() );
|
|
|
|
// paint rects and a separator line
|
|
TQPainter p( this );
|
|
if ( cRect.isValid() )
|
|
p.fillRect( cRect, palette().active().highlightedText() );
|
|
if ( fRect.isValid() )
|
|
p.fillRect( fRect, palette().active().highlight() );
|
|
if ( l && l != w )
|
|
{
|
|
p.setPen( palette().active().highlight().dark( 120 ) );
|
|
int delta = TQApplication::reverseLayout() ? w - l : l;
|
|
p.drawLine( delta, 0, delta, h );
|
|
}
|
|
// draw a frame-like outline
|
|
//p.setPen( palette().active().mid() );
|
|
//p.drawRect( 0,0, w, h );
|
|
}
|
|
|
|
|
|
/** PagesEdit **/
|
|
|
|
PagesEdit::PagesEdit( MiniBar * parent )
|
|
: TQLineEdit( parent ), m_miniBar( parent ), m_eatClick( false )
|
|
{
|
|
// customize look
|
|
setFrameShadow( TQFrame::Raised );
|
|
focusOutEvent( 0 );
|
|
|
|
// use an integer validator
|
|
m_validator = new TQIntValidator( 1, 1, TQT_TQOBJECT(this) );
|
|
setValidator( m_validator );
|
|
|
|
// customize text properties
|
|
setAlignment( TQt::AlignCenter );
|
|
setMaxLength( 4 );
|
|
}
|
|
|
|
void PagesEdit::setPagesNumber( int pages )
|
|
{
|
|
m_validator->setTop( pages );
|
|
}
|
|
|
|
void PagesEdit::setText( const TQString & text )
|
|
{
|
|
// store a copy of the string
|
|
backString = text;
|
|
// call default handler if hasn't focus
|
|
if ( !hasFocus() )
|
|
TQLineEdit::setText( text );
|
|
}
|
|
|
|
void PagesEdit::focusInEvent( TQFocusEvent * e )
|
|
{
|
|
// select all text
|
|
selectAll();
|
|
if ( e->reason() == TQFocusEvent::Mouse )
|
|
m_eatClick = true;
|
|
// change background color to the default 'edit' color
|
|
setLineWidth( 2 );
|
|
setPaletteBackgroundColor( TQt::white );
|
|
// call default handler
|
|
TQLineEdit::focusInEvent( e );
|
|
}
|
|
|
|
void PagesEdit::focusOutEvent( TQFocusEvent * e )
|
|
{
|
|
// change background color to a dark tone
|
|
setLineWidth( 1 );
|
|
setPaletteBackgroundColor( palette().active().background().light( 105 ) );
|
|
// restore text
|
|
TQLineEdit::setText( backString );
|
|
// call default handler
|
|
TQLineEdit::focusOutEvent( e );
|
|
}
|
|
|
|
void PagesEdit::mousePressEvent( TQMouseEvent * e )
|
|
{
|
|
// if this click got the focus in, don't process the event
|
|
if ( !m_eatClick )
|
|
TQLineEdit::mousePressEvent( e );
|
|
m_eatClick = false;
|
|
}
|
|
|
|
void PagesEdit::wheelEvent( TQWheelEvent * e )
|
|
{
|
|
if ( e->delta() > 0 )
|
|
m_miniBar->slotEmitNextPage();
|
|
else
|
|
m_miniBar->slotEmitPrevPage();
|
|
}
|
|
|
|
|
|
/** HoverButton **/
|
|
|
|
HoverButton::HoverButton( TQWidget * parent )
|
|
: TQPushButton( parent )
|
|
{
|
|
setMouseTracking( true );
|
|
#if KDE_IS_VERSION(3,3,90)
|
|
KAcceleratorManager::setNoAccel( this );
|
|
#endif
|
|
}
|
|
|
|
void HoverButton::enterEvent( TQPaintEvent * e )
|
|
{
|
|
update();
|
|
TQPushButton::enterEvent( e );
|
|
}
|
|
|
|
void HoverButton::leaveEvent( TQPaintEvent * e )
|
|
{
|
|
update();
|
|
TQPushButton::leaveEvent( e );
|
|
}
|
|
|
|
void HoverButton::paintEvent( TQPaintEvent * e )
|
|
{
|
|
if ( hasMouse() )
|
|
{
|
|
TQPushButton::paintEvent( e );
|
|
}
|
|
else
|
|
{
|
|
TQPainter p( this );
|
|
p.fillRect(e->rect(), parentWidget() ? parentWidget()->palette().brush(TQPalette::Active, TQColorGroup::Background) : paletteBackgroundColor());
|
|
drawButtonLabel( &p );
|
|
}
|
|
}
|
|
|
|
#include "minibar.moc"
|