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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
#include "pageselector.h"
#include <QEvent>
#include <QLineEdit>
#if OPTION_USE_QTOOLBUTTON
#include <QToolButton>
#else
#include <QPushButton>
#endif
#include <QLabel>
#include <QToolTip>
#include <QRegExp>
#include <QPixmap>
#include <QHBoxLayout>
#include <QValidator>
#include "sccombobox.h"
#include "util_icon.h"
#include "util.h"
// QIntValidator does it better for us... PV
// class PageValidator : public QValidator
// {
// public:
// PageValidator(int min, int max, QObject * parent);
// void fixup(QString & input) const;
// State validate(QString & input, int & pos) const;
// private:
// QRegExp rx;
// QRegExp rx2;
// PageSelector * pageSelector;
// };
//
// PageValidator::PageValidator(int /* min */, int /* max */, QObject * parent) : QValidator
// (parent), rx("^([0-9]+).*"), rx2("^[0-9]+$")
// {
// pageSelector = static_cast<PageSelector*>(parent);
// }
//
// QValidator::State PageValidator::validate(QString & input, int & /* pos */) const
// {
// if (rx2.indexIn(input) == 0 && pageSelector->PageCombo->itemText(input.toInt()-1) == input)
// return Acceptable;
// else
// return Intermediate;
// }
//
// void PageValidator::fixup(QString & input) const
// {
// if (rx.indexIn(input) == 0)
// input = const_cast<QRegExp &>(rx).cap(1);
// }
//
PageSelector::PageSelector( QWidget* parent, int maxPg ) : QWidget( parent, 0 )
{
PageCountString = "%1" ;
LastPG = maxPg;
APage = 1;
PageSelectorLayout = new QHBoxLayout( this );
PageSelectorLayout->setMargin(0);
PageSelectorLayout->setSpacing(1);
#if OPTION_USE_QTOOLBUTTON
Start = new QToolButton( this );
Start->setAutoRaise(OPTION_FLAT_BUTTON);
Back = new QToolButton( this );
Back->setAutoRaise(OPTION_FLAT_BUTTON);
Forward = new QToolButton( this );
Forward->setAutoRaise(OPTION_FLAT_BUTTON);
Last = new QToolButton( this );
Last->setAutoRaise(OPTION_FLAT_BUTTON);
#else
Start = new QPushButton( this );
Start->setDefault( false );
Start->setAutoDefault( false );
Start->setFlat(OPTION_FLAT_BUTTON);
Back = new QPushButton( this );
Back->setDefault( false );
Back->setAutoDefault( false );
Back->setFlat(OPTION_FLAT_BUTTON);
Forward = new QPushButton( this );
Forward->setDefault( false );
Forward->setAutoDefault( false );
Forward->setFlat(OPTION_FLAT_BUTTON);
Last = new QPushButton( this );
Last->setDefault( false );
Last->setAutoDefault( false );
Last->setFlat(OPTION_FLAT_BUTTON);
#endif
Start->setIcon(QIcon(loadIcon("16/go-first.png")));
Start->setFocusPolicy(Qt::NoFocus);
PageSelectorLayout->addWidget( Start );
Back->setIcon(QIcon(loadIcon("16/go-previous.png")));
Back->setFocusPolicy(Qt::NoFocus);
Back->setAutoRepeat(true);
PageSelectorLayout->addWidget( Back );
// v = new PageValidator(1, LastPG, this);
m_validator = new QIntValidator(1, LastPG, this);
PageCombo = new ScComboBox( this );
PageCombo->setEditable(true);
PageCombo->setDuplicatesEnabled( false );
PageCombo->setInsertPolicy(QComboBox::NoInsert);
PageCombo->lineEdit()->setAlignment(Qt::AlignHCenter);
for (int a = 0; a < LastPG; ++a)
{
PageCombo->addItem(QString::number(a+1));
}
PageCombo->setValidator(m_validator);
PageCombo->setMinimumSize(fontMetrics().width( "999" )+20, 20);
PageCombo->setFocusPolicy(Qt::ClickFocus);
PageSelectorLayout->addWidget( PageCombo );
PageCount = new QLabel(PageCountString.arg(LastPG), this);
PageSelectorLayout->addWidget(PageCount);
Forward->setIcon(QIcon(loadIcon("16/go-next.png")));
Forward->setFocusPolicy(Qt::NoFocus);
Forward->setAutoRepeat(true);
PageSelectorLayout->addWidget( Forward );
Last->setIcon(QIcon(loadIcon("16/go-last.png")));
Last->setFocusPolicy(Qt::NoFocus);
PageSelectorLayout->addWidget( Last );
Forward->setEnabled(true);
Last->setEnabled(true);
Back->setEnabled(false);
Start->setEnabled(false);
if (APage == LastPG)
{
Forward->setEnabled(false);
Last->setEnabled(false);
}
languageChange();
// signals and slots connections
connect( PageCombo, SIGNAL( activated(int) ), this, SLOT( GotoPgE(int) ) );
connect( Back, SIGNAL( clicked() ), this, SLOT( goBk() ) );
connect( Start, SIGNAL( clicked() ), this, SLOT( ToStart() ) );
connect( Forward, SIGNAL( clicked() ), this, SLOT( goFw() ) );
connect( Last, SIGNAL( clicked() ), this, SLOT( ToEnd() ) );
}
bool PageSelector::hasFocus()
{
return PageCombo->hasFocus();
}
void PageSelector::focusPolicy(Qt::FocusPolicy policy)
{
PageCombo->setFocusPolicy(policy);
}
void PageSelector::setFont ( const QFont &fo )
{
PageCount->setFont(fo);
QWidget::setFont(fo);
}
void PageSelector::GotoPgE(int a)
{
clearFocus();
GotoPg(a);
emit GotoPage(a+1);
}
void PageSelector::GotoPage()
{
static QRegExp rx("^([0-9])+.*");
int p = rx.cap(1).toInt();
if (p < 1)
p=1;
if (p > LastPG)
p = LastPG;
GotoPg(p-1);
emit GotoPage(p);
}
void PageSelector::GotoPg(int a)
{
disconnect( PageCombo, SIGNAL( activated(int) ), this, SLOT( GotoPgE(int) ) );
PageCombo->setCurrentIndex(a);
setCurrentComboItem(PageCombo, QString::number(a+1));
APage = a+1;
Back->setEnabled(true);
Start->setEnabled(true);
Forward->setEnabled(true);
Last->setEnabled(true);
if (a == 0)
{
Back->setEnabled(false);
Start->setEnabled(false);
}
if (a == LastPG-1)
{
Forward->setEnabled(false);
Last->setEnabled(false);
}
connect( PageCombo, SIGNAL( activated(int) ), this, SLOT( GotoPgE(int) ) );
}
void PageSelector::setMaximum(int a)
{
disconnect( PageCombo, SIGNAL( activated(int) ), this, SLOT( GotoPgE(int) ) );
PageCombo->clear();
LastPG = a;
// v->setTop(LastPG);
m_validator->setRange(1, LastPG);
for (int b = 0; b < LastPG; ++b)
{
PageCombo->addItem(QString::number(b+1));
}
setCurrentComboItem(PageCombo, QString::number(APage));
PageCount->setText(PageCountString.arg(LastPG));
connect( PageCombo, SIGNAL( activated(int) ), this, SLOT( GotoPgE(int) ) );
}
void PageSelector::ToStart()
{
if (APage == 1)
return;
GotoPgE(0);
}
void PageSelector::ToEnd()
{
if (APage == LastPG)
return;
GotoPgE(LastPG-1);
}
void PageSelector::goBk()
{
APage--;
if (APage < 1)
APage = 1;
GotoPgE(APage-1);
}
void PageSelector::goFw()
{
APage++;
if (APage > LastPG)
APage = LastPG;
GotoPgE(APage-1);
}
void PageSelector::changeEvent(QEvent *e)
{
if (e->type() == QEvent::LanguageChange)
languageChange();
else
QWidget::changeEvent(e);
}
void PageSelector::languageChange()
{
Start->setToolTip( tr("Go to the first page") );
Back->setToolTip( tr("Go to the previous page") );
Forward->setToolTip( tr("Go to the next page") );
Last->setToolTip( tr("Go to the last page") );
PageCombo->setToolTip( tr("Select the current page") );
PageCountString = tr(" of %1", "number of pages in document");
PageCount->setText(PageCountString.arg(LastPG));
disconnect( PageCombo, SIGNAL( activated(int) ), this, SLOT( GotoPgE(int) ) );
setCurrentComboItem(PageCombo, QString::number(APage));
connect( PageCombo, SIGNAL( activated(int) ), this, SLOT( GotoPgE(int) ) );
}
void PageSelector::clearFocus()
{
PageCombo->clearFocus();
}
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