qt4/src/poppler-form.cc - third_party/poppler - Git at Google

 /* poppler-form.h: qt4 interface to poppler
  * Copyright (C) 2007, Pino Toscano <pino@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, or (at your option)
  * any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  */

 #include "poppler-qt4.h"

 #include <QtCore/QSizeF>

 #include <Form.h>
 #include <Object.h>

 #include "poppler-form.h"
 #include "poppler-private.h"
 #include "poppler-annotation-helper.h"

 #include <math.h>

 namespace Poppler {

 FormField::FormField(FormFieldData &dd)
   : m_formData(&dd)
 {
   const int rotation = m_formData->page->getRotate();
   // reading the coords
   double left, top, right, bottom;
   m_formData->fm->getRect(&left, &bottom, &right, &top);
   // build a normalized transform matrix for this page at 100% scale
   GfxState gfxState( 72.0, 72.0, m_formData->page->getMediaBox(), rotation, gTrue );
   double * gfxCTM = gfxState.getCTM();
   double MTX[6];
   double pageWidth = m_formData->page->getCropWidth();
   double pageHeight = m_formData->page->getCropHeight();
   // landscape and seascape page rotation: be sure to use the correct (== rotated) page size
   if (((rotation / 90) % 2) == 1)
     qSwap(pageWidth, pageHeight);
   for ( int i = 0; i < 6; i+=2 )
   {
     MTX[i] = gfxCTM[i] / pageWidth;
     MTX[i+1] = gfxCTM[i+1] / pageHeight;
   }
   QPointF topLeft;
   XPDFReader::transform( MTX, qMin( left, right ), qMax( top, bottom ), topLeft );
   QPointF bottomRight;
   XPDFReader::transform( MTX, qMax( left, right ), qMin( top, bottom ), bottomRight );
   m_formData->box = QRectF(topLeft, QSizeF(bottomRight.x() - topLeft.x(), bottomRight.y() - topLeft.y()));

   Object *obj = m_formData->fm->getObj();
   Object tmp;

   // reading the flags
   if (obj->isDict() && obj->dictLookup("Ff", &tmp)->isInt())
   {
     m_formData->flags = tmp.getInt();
   }
   tmp.free();
   // reading the widget annotation flags
   if (obj->isDict() && obj->dictLookup("F", &tmp)->isInt())
   {
     m_formData->annoflags = tmp.getInt();
   }
   tmp.free();
 }

 FormField::~FormField()
 {
   delete m_formData;
   m_formData = 0;
 }

 QRectF FormField::rect() const
 {
   return m_formData->box;
 }

 int FormField::id() const
 {
   return m_formData->fm->getID();
 }

 QString FormField::name() const
 {
   Object tmp;
   Object *obj = m_formData->fm->getObj();
   QString name;
   if (obj->dictLookup("T", &tmp)->isString())
   {
     GooString *goo = tmp.getString();
     if (goo)
       name = goo->getCString();
   }
   tmp.free();
   return name;
 }

 QString FormField::uiName() const
 {
   Object tmp;
   Object *obj = m_formData->fm->getObj();
   QString name;
   if (obj->dictLookup("TU", &tmp)->isString())
   {
     GooString *goo = tmp.getString();
     if (goo)
       name = goo->getCString();
   }
   tmp.free();
   return name;
 }

 bool FormField::isReadOnly() const
 {
   return m_formData->fm->isReadOnly();
 }

 bool FormField::isVisible() const
 {
   return !(m_formData->annoflags & (1 << 1));
 }


 FormFieldButton::FormFieldButton(DocumentData *doc, ::Page *p, ::FormWidgetButton *w)
   : FormField(*new FormFieldData(doc, p, w))
 {
 }

 FormFieldButton::~FormFieldButton()
 {
 }

 FormFieldButton::FormType FormFieldButton::type() const
 {
   return FormField::FormButton;
 }

 FormFieldButton::ButtonType FormFieldButton::buttonType() const
 {
   FormWidgetButton* fwb = static_cast<FormWidgetButton*>(m_formData->fm);
   switch (fwb->getButtonType())
   {
     case formButtonCheck:
       return FormFieldButton::CheckBox;
       break;
     case formButtonPush:
       return FormFieldButton::Push;
       break;
     case formButtonRadio:
       return FormFieldButton::Radio;
       break;
   }
   return FormFieldButton::CheckBox;
 }

 QString FormFieldButton::caption() const
 {
   FormWidgetButton* fwb = static_cast<FormWidgetButton*>(m_formData->fm);
   // HACK push buttons seems to have a null GooString for the caption
   if (fwb->getButtonType() == formButtonPush)
     return QString();

   return fwb->getOnStr() ? QString::fromUtf8(fwb->getOnStr()) : QString();
 }

 bool FormFieldButton::state() const
 {
   FormWidgetButton* fwb = static_cast<FormWidgetButton*>(m_formData->fm);
   return fwb->getState();
 }

 void FormFieldButton::setState( bool state )
 {
   FormWidgetButton* fwb = static_cast<FormWidgetButton*>(m_formData->fm);
   fwb->setState((GBool)state);
 }

 QList<int> FormFieldButton::siblings() const
 {
   FormWidgetButton* fwb = static_cast<FormWidgetButton*>(m_formData->fm);
   if (fwb->getButtonType() == formButtonPush)
     return QList<int>();

   QList<int> ret;
   unsigned *sibls = fwb->getSiblingsID();
   for (int i = 0; i < fwb->getNumSiblingsID(); ++i)
     ret.append(sibls[i]);

   return ret;
 }


 FormFieldText::FormFieldText(DocumentData *doc, ::Page *p, ::FormWidgetText *w)
   : FormField(*new FormFieldData(doc, p, w))
 {
 }

 FormFieldText::~FormFieldText()
 {
 }

 FormField::FormType FormFieldText::type() const
 {
   return FormField::FormText;
 }

 FormFieldText::TextType FormFieldText::textType() const
 {
   FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
   if (fwt->isFileSelect())
     return FormFieldText::FileSelect;
   else if (fwt->isMultiline())
     return FormFieldText::Multiline;
   return FormFieldText::Normal;
 }

 QString FormFieldText::text() const
 {
   GooString *goo = static_cast<FormWidgetText*>(m_formData->fm)->getContent();
   return UnicodeParsedString(goo);
 }

 void FormFieldText::setText( const QString& text )
 {
   FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
   GooString * goo = QStringToUnicodeGooString( text );
   fwt->setContent( goo );
   delete goo;
 }

 bool FormFieldText::isPassword() const
 {
   FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
   return fwt->isPassword();
 }

 bool FormFieldText::isRichText() const
 {
   FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
   return fwt->isRichText();
 }

 int FormFieldText::maximumLength() const
 {
   FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
   const int maxlen = fwt->getMaxLen();
   return maxlen > 0 ? maxlen : -1;
 }

 Qt::Alignment FormFieldText::textAlignment() const
 {
   return m_formData->textAlignment(m_formData->fm->getObj());
 }

 bool FormFieldText::canBeSpellChecked() const
 {
   FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
   return !fwt->noSpellCheck();
 }


 FormFieldChoice::FormFieldChoice(DocumentData *doc, ::Page *p, ::FormWidgetChoice *w)
   : FormField(*new FormFieldData(doc, p, w))
 {
 }

 FormFieldChoice::~FormFieldChoice()
 {
 }

 FormFieldChoice::FormType FormFieldChoice::type() const
 {
   return FormField::FormChoice;
 }

 FormFieldChoice::ChoiceType FormFieldChoice::choiceType() const
 {
   FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
   if (fwc->isCombo())
     return FormFieldChoice::ComboBox;
   return FormFieldChoice::ListBox;
 }

 QStringList FormFieldChoice::choices() const
 {
   FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
   QStringList ret;
   int num = fwc->getNumChoices();
   for (int i = 0; i < num; ++i)
   {
     ret.append(UnicodeParsedString(fwc->getChoice(i)));
   }
   return ret;
 }

 bool FormFieldChoice::isEditable() const
 {
   FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
   return fwc->isCombo() ? fwc->hasEdit() : false;
 }

 bool FormFieldChoice::multiSelect() const
 {
 //  return m_formData->flags & (1 << 21);
   FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
   return !fwc->isCombo() ? fwc->isMultiSelect() : false;
 }

 QList<int> FormFieldChoice::currentChoices() const
 {
   FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
   int num = fwc->getNumChoices();
   QList<int> choices;
   for ( int i = 0; i < num; ++i )
     if ( fwc->isSelected( i ) )
       choices.append( i );
   return choices;
 }

 void FormFieldChoice::setCurrentChoices( const QList<int> &choice )
 {
   FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
   fwc->deselectAll();
   for ( int i = 0; i < choice.count(); ++i )
     fwc->select( choice.at( i ) );
 }

 Qt::Alignment FormFieldChoice::textAlignment() const
 {
   return m_formData->textAlignment(m_formData->fm->getObj());
 }

 bool FormFieldChoice::canBeSpellChecked() const
 {
   FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
   return !fwc->noSpellCheck();
 }

 }
	/* poppler-form.h: qt4 interface to poppler
	* Copyright (C) 2007, Pino Toscano <pino@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, or (at your option)
	* any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
	*/

	#include "poppler-qt4.h"

	#include <QtCore/QSizeF>

	#include <Form.h>
	#include <Object.h>

	#include "poppler-form.h"
	#include "poppler-private.h"
	#include "poppler-annotation-helper.h"

	#include <math.h>

	namespace Poppler {

	FormField::FormField(FormFieldData &dd)
	: m_formData(&dd)
	{
	const int rotation = m_formData->page->getRotate();
	// reading the coords
	double left, top, right, bottom;
	m_formData->fm->getRect(&left, &bottom, &right, &top);
	// build a normalized transform matrix for this page at 100% scale
	GfxState gfxState( 72.0, 72.0, m_formData->page->getMediaBox(), rotation, gTrue );
	double * gfxCTM = gfxState.getCTM();
	double MTX[6];
	double pageWidth = m_formData->page->getCropWidth();
	double pageHeight = m_formData->page->getCropHeight();
	// landscape and seascape page rotation: be sure to use the correct (== rotated) page size
	if (((rotation / 90) % 2) == 1)
	qSwap(pageWidth, pageHeight);
	for ( int i = 0; i < 6; i+=2 )
	{
	MTX[i] = gfxCTM[i] / pageWidth;
	MTX[i+1] = gfxCTM[i+1] / pageHeight;
	}
	QPointF topLeft;
	XPDFReader::transform( MTX, qMin( left, right ), qMax( top, bottom ), topLeft );
	QPointF bottomRight;
	XPDFReader::transform( MTX, qMax( left, right ), qMin( top, bottom ), bottomRight );
	m_formData->box = QRectF(topLeft, QSizeF(bottomRight.x() - topLeft.x(), bottomRight.y() - topLeft.y()));

	Object *obj = m_formData->fm->getObj();
	Object tmp;

	// reading the flags
	if (obj->isDict() && obj->dictLookup("Ff", &tmp)->isInt())
	{
	m_formData->flags = tmp.getInt();
	}
	tmp.free();
	// reading the widget annotation flags
	if (obj->isDict() && obj->dictLookup("F", &tmp)->isInt())
	{
	m_formData->annoflags = tmp.getInt();
	}
	tmp.free();
	}

	FormField::~FormField()
	{
	delete m_formData;
	m_formData = 0;
	}

	QRectF FormField::rect() const
	{
	return m_formData->box;
	}

	int FormField::id() const
	{
	return m_formData->fm->getID();
	}

	QString FormField::name() const
	{
	Object tmp;
	Object *obj = m_formData->fm->getObj();
	QString name;
	if (obj->dictLookup("T", &tmp)->isString())
	{
	GooString *goo = tmp.getString();
	if (goo)
	name = goo->getCString();
	}
	tmp.free();
	return name;
	}

	QString FormField::uiName() const
	{
	Object tmp;
	Object *obj = m_formData->fm->getObj();
	QString name;
	if (obj->dictLookup("TU", &tmp)->isString())
	{
	GooString *goo = tmp.getString();
	if (goo)
	name = goo->getCString();
	}
	tmp.free();
	return name;
	}

	bool FormField::isReadOnly() const
	{
	return m_formData->fm->isReadOnly();
	}

	bool FormField::isVisible() const
	{
	return !(m_formData->annoflags & (1 << 1));
	}


	FormFieldButton::FormFieldButton(DocumentData doc, ::Page p, ::FormWidgetButton *w)
	: FormField(*new FormFieldData(doc, p, w))
	{
	}

	FormFieldButton::~FormFieldButton()
	{
	}

	FormFieldButton::FormType FormFieldButton::type() const
	{
	return FormField::FormButton;
	}

	FormFieldButton::ButtonType FormFieldButton::buttonType() const
	{
	FormWidgetButton* fwb = static_cast<FormWidgetButton*>(m_formData->fm);
	switch (fwb->getButtonType())
	{
	case formButtonCheck:
	return FormFieldButton::CheckBox;
	break;
	case formButtonPush:
	return FormFieldButton::Push;
	break;
	case formButtonRadio:
	return FormFieldButton::Radio;
	break;
	}
	return FormFieldButton::CheckBox;
	}

	QString FormFieldButton::caption() const
	{
	FormWidgetButton* fwb = static_cast<FormWidgetButton*>(m_formData->fm);
	// HACK push buttons seems to have a null GooString for the caption
	if (fwb->getButtonType() == formButtonPush)
	return QString();

	return fwb->getOnStr() ? QString::fromUtf8(fwb->getOnStr()) : QString();
	}

	bool FormFieldButton::state() const
	{
	FormWidgetButton* fwb = static_cast<FormWidgetButton*>(m_formData->fm);
	return fwb->getState();
	}

	void FormFieldButton::setState( bool state )
	{
	FormWidgetButton* fwb = static_cast<FormWidgetButton*>(m_formData->fm);
	fwb->setState((GBool)state);
	}

	QList<int> FormFieldButton::siblings() const
	{
	FormWidgetButton* fwb = static_cast<FormWidgetButton*>(m_formData->fm);
	if (fwb->getButtonType() == formButtonPush)
	return QList<int>();

	QList<int> ret;
	unsigned *sibls = fwb->getSiblingsID();
	for (int i = 0; i < fwb->getNumSiblingsID(); ++i)
	ret.append(sibls[i]);

	return ret;
	}


	FormFieldText::FormFieldText(DocumentData doc, ::Page p, ::FormWidgetText *w)
	: FormField(*new FormFieldData(doc, p, w))
	{
	}

	FormFieldText::~FormFieldText()
	{
	}

	FormField::FormType FormFieldText::type() const
	{
	return FormField::FormText;
	}

	FormFieldText::TextType FormFieldText::textType() const
	{
	FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
	if (fwt->isFileSelect())
	return FormFieldText::FileSelect;
	else if (fwt->isMultiline())
	return FormFieldText::Multiline;
	return FormFieldText::Normal;
	}

	QString FormFieldText::text() const
	{
	GooString goo = static_cast<FormWidgetText>(m_formData->fm)->getContent();
	return UnicodeParsedString(goo);
	}

	void FormFieldText::setText( const QString& text )
	{
	FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
	GooString * goo = QStringToUnicodeGooString( text );
	fwt->setContent( goo );
	delete goo;
	}

	bool FormFieldText::isPassword() const
	{
	FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
	return fwt->isPassword();
	}

	bool FormFieldText::isRichText() const
	{
	FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
	return fwt->isRichText();
	}

	int FormFieldText::maximumLength() const
	{
	FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
	const int maxlen = fwt->getMaxLen();
	return maxlen > 0 ? maxlen : -1;
	}

	Qt::Alignment FormFieldText::textAlignment() const
	{
	return m_formData->textAlignment(m_formData->fm->getObj());
	}

	bool FormFieldText::canBeSpellChecked() const
	{
	FormWidgetText* fwt = static_cast<FormWidgetText*>(m_formData->fm);
	return !fwt->noSpellCheck();
	}


	FormFieldChoice::FormFieldChoice(DocumentData doc, ::Page p, ::FormWidgetChoice *w)
	: FormField(*new FormFieldData(doc, p, w))
	{
	}

	FormFieldChoice::~FormFieldChoice()
	{
	}

	FormFieldChoice::FormType FormFieldChoice::type() const
	{
	return FormField::FormChoice;
	}

	FormFieldChoice::ChoiceType FormFieldChoice::choiceType() const
	{
	FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
	if (fwc->isCombo())
	return FormFieldChoice::ComboBox;
	return FormFieldChoice::ListBox;
	}

	QStringList FormFieldChoice::choices() const
	{
	FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
	QStringList ret;
	int num = fwc->getNumChoices();
	for (int i = 0; i < num; ++i)
	{
	ret.append(UnicodeParsedString(fwc->getChoice(i)));
	}
	return ret;
	}

	bool FormFieldChoice::isEditable() const
	{
	FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
	return fwc->isCombo() ? fwc->hasEdit() : false;
	}

	bool FormFieldChoice::multiSelect() const
	{
	// return m_formData->flags & (1 << 21);
	FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
	return !fwc->isCombo() ? fwc->isMultiSelect() : false;
	}

	QList<int> FormFieldChoice::currentChoices() const
	{
	FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
	int num = fwc->getNumChoices();
	QList<int> choices;
	for ( int i = 0; i < num; ++i )
	if ( fwc->isSelected( i ) )
	choices.append( i );
	return choices;
	}

	void FormFieldChoice::setCurrentChoices( const QList<int> &choice )
	{
	FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
	fwc->deselectAll();
	for ( int i = 0; i < choice.count(); ++i )
	fwc->select( choice.at( i ) );
	}

	Qt::Alignment FormFieldChoice::textAlignment() const
	{
	return m_formData->textAlignment(m_formData->fm->getObj());
	}

	bool FormFieldChoice::canBeSpellChecked() const
	{
	FormWidgetChoice* fwc = static_cast<FormWidgetChoice*>(m_formData->fm);
	return !fwc->noSpellCheck();
	}

	}