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/* poppler-form.h: qt4 interface to poppler
* Copyright (C) 2007-2008, Pino Toscano <pino@kde.org>
* Copyright (C) 2008, 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, 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.
*/
#ifndef _POPPLER_QT4_FORM_H_
#define _POPPLER_QT4_FORM_H_
#include <QtCore/QRectF>
#include <QtCore/QStringList>
#include "poppler-export.h"
class Page;
class FormWidget;
class FormWidgetButton;
class FormWidgetText;
class FormWidgetChoice;
namespace Poppler {
class DocumentData;
class Link;
class FormFieldData;
/**
The base class representing a form field.
\since 0.6
*/
class POPPLER_QT4_EXPORT FormField {
public:
/**
The different types of form field.
*/
enum FormType {
FormButton, ///< A button field. See \ref Poppler::FormFieldButton::ButtonType "ButtonType"
FormText, ///< A text field. See \ref Poppler::FormFieldText::TextType "TextType"
FormChoice, ///< A single choice field. See \ref Poppler::FormFieldChoice::ChoiceType "ChoiceType"
FormSignature ///< A signature field.
};
virtual ~FormField();
/**
The type of the field.
*/
virtual FormType type() const = 0;
/**
\return The size of the field, in normalized coordinates, i.e.
[0..1] with regard to the dimensions (cropbox) of the page
*/
QRectF rect() const;
/**
The ID of the field.
*/
int id() const;
/**
The internal name of the field.
*/
QString name() const;
/**
The name of the field to be used in user interface (eg messages to
the user).
*/
QString uiName() const;
/**
Whether this form field is read-only.
*/
bool isReadOnly() const;
/**
Whether this form field is visible.
*/
bool isVisible() const;
/**
The activation action of this form field.
\note It may be null.
*/
Link* activationAction() const;
protected:
/// \cond PRIVATE
FormField(FormFieldData &dd);
FormFieldData *m_formData;
/// \endcond
private:
Q_DISABLE_COPY(FormField)
};
/**
A form field that represents a "button".
\since 0.8
*/
class POPPLER_QT4_EXPORT FormFieldButton : public FormField {
public:
/**
* The types of button field.
*/
enum ButtonType
{
Push, ///< A simple push button.
CheckBox, ///< A check box.
Radio ///< A radio button.
};
/// \cond PRIVATE
FormFieldButton(DocumentData *doc, ::Page *p, ::FormWidgetButton *w);
/// \endcond
virtual ~FormFieldButton();
virtual FormType type() const;
/**
The particular type of the button field.
*/
ButtonType buttonType() const;
/**
* The caption to be used for the button.
*/
QString caption() const;
/**
The state of the button.
*/
bool state() const;
/**
Sets the state of the button to the new \p state .
*/
void setState( bool state );
/**
The list with the IDs of siblings (ie, buttons belonging to the same
group as the current one.
Valid only for \ref Radio buttons, an empty list otherwise.
*/
QList<int> siblings() const;
private:
Q_DISABLE_COPY(FormFieldButton)
};
/**
A form field that represents a text input.
\since 0.6
*/
class POPPLER_QT4_EXPORT FormFieldText : public FormField {
public:
/**
The particular type of this text field.
*/
enum TextType {
Normal, ///< A simple singleline text field.
Multiline, ///< A multiline text field.
FileSelect ///< An input field to select the path of a file on disk.
};
/// \cond PRIVATE
FormFieldText(DocumentData *doc, ::Page *p, ::FormWidgetText *w);
/// \endcond
virtual ~FormFieldText();
virtual FormType type() const;
/**
The text type of the text field.
*/
TextType textType() const;
/**
The text associated with the text field.
*/
QString text() const;
/**
Sets the text associated with the text field to the specified
\p text.
*/
void setText( const QString& text );
/**
Whether this text field is a password input, eg its text \b must be
replaced with asterisks.
Always false for \ref FileSelect text fields.
*/
bool isPassword() const;
/**
Whether this text field should allow rich text.
*/
bool isRichText() const;
/**
The maximum length for the text of this field, or -1 if not set.
*/
int maximumLength() const;
/**
The horizontal alignment for the text of this text field.
*/
Qt::Alignment textAlignment() const;
/**
Whether the text inserted manually in the field (where possible)
can be spell-checked.
*/
bool canBeSpellChecked() const;
private:
Q_DISABLE_COPY(FormFieldText)
};
/**
A form field that represents a choice field.
\since 0.6
*/
class POPPLER_QT4_EXPORT FormFieldChoice : public FormField {
public:
/**
The particular type of this choice field.
*/
enum ChoiceType {
ComboBox, ///< A simple singleline text field.
ListBox ///< A multiline text field.
};
/// \cond PRIVATE
FormFieldChoice(DocumentData *doc, ::Page *p, ::FormWidgetChoice *w);
/// \endcond
virtual ~FormFieldChoice();
virtual FormType type() const;
/**
The choice type of the choice field.
*/
ChoiceType choiceType() const;
/**
The possible choices of the choice field.
*/
QStringList choices() const;
/**
Whether this FormFieldChoice::ComboBox is editable, i.e. the user
can type in a custom value.
Always false for the other types of choices.
*/
bool isEditable() const;
/**
Whether more than one choice of this FormFieldChoice::ListBox
can be selected at the same time.
Always false for the other types of choices.
*/
bool multiSelect() const;
/**
The currently selected choices.
*/
QList<int> currentChoices() const;
/**
Sets the selected choices to \p choice.
*/
void setCurrentChoices( const QList<int> &choice );
/**
The horizontal alignment for the text of this text field.
*/
Qt::Alignment textAlignment() const;
/**
Whether the text inserted manually in the field (where possible)
can be spell-checked.
Returns false if the field is not an editable text field.
*/
bool canBeSpellChecked() const;
private:
Q_DISABLE_COPY(FormFieldChoice)
};
}
#endif
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