mirror of
https://invent.kde.org/graphics/okular
synced 2024-10-30 06:03:18 +00:00
b7ce9114c5
Together with the already commited support for undo in annotations fixes 177501 BUGS: 177501 REVIEW: 110589 FIXED-IN: 4.11.0
339 lines
11 KiB
C++
339 lines
11 KiB
C++
/***************************************************************************
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* Copyright (C) 2007 by Pino Toscano <pino@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef _OKULAR_FORMWIDGETS_H_
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#define _OKULAR_FORMWIDGETS_H_
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#include "core/area.h"
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#include <qcheckbox.h>
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#include <qcombobox.h>
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#include <qlineedit.h>
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#include <qlistwidget.h>
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#include <qpushbutton.h>
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#include <qradiobutton.h>
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#include <ktextedit.h>
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#include <kurlrequester.h>
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class ComboEdit;
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class QMenu;
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class QButtonGroup;
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class FormWidgetIface;
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class PageViewItem;
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class RadioButtonEdit;
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class QEvent;
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namespace Okular {
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class Action;
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class FormField;
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class FormFieldButton;
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class FormFieldChoice;
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class FormFieldText;
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class Document;
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}
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struct RadioData
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{
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RadioData() {}
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QList< int > ids;
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QButtonGroup *group;
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};
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class FormWidgetsController : public QObject
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{
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Q_OBJECT
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public:
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FormWidgetsController( Okular::Document *doc );
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virtual ~FormWidgetsController();
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void signalAction( Okular::Action *action );
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QButtonGroup* registerRadioButton( QAbstractButton *button, Okular::FormFieldButton *formButton );
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void dropRadioButtons();
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bool canUndo();
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bool canRedo();
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signals:
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void changed( int pageNumber );
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void requestUndo();
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void requestRedo();
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void canUndoChanged( bool undoAvailable );
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void canRedoChanged( bool redoAvailable);
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void formTextChangedByWidget( int pageNumber,
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Okular::FormFieldText *form,
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const QString & newContents,
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int newCursorPos,
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int prevCursorPos,
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int prevAnchorPos );
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void formTextChangedByUndoRedo( int pageNumber,
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Okular::FormFieldText *form,
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const QString & contents,
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int cursorPos,
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int anchorPos );
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void formListChangedByWidget( int pageNumber,
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Okular::FormFieldChoice *form,
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const QList< int > & newChoices );
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void formListChangedByUndoRedo( int pageNumber,
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Okular::FormFieldChoice *form,
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const QList< int > & choices );
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void formComboChangedByWidget( int pageNumber,
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Okular::FormFieldChoice *form,
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const QString & newText,
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int newCursorPos,
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int prevCursorPos,
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int prevAnchorPos
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);
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void formComboChangedByUndoRedo( int pageNumber,
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Okular::FormFieldChoice *form,
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const QString & text,
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int cursorPos,
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int anchorPos
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);
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void formButtonsChangedByWidget( int pageNumber,
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const QList< Okular::FormFieldButton* > & formButtons,
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const QList< bool > & newButtonStates );
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void action( Okular::Action *action );
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private slots:
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void slotButtonClicked( QAbstractButton *button );
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void slotFormButtonsChangedByUndoRedo( int pageNumber,
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const QList< Okular::FormFieldButton* > & formButtons );
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private:
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friend class TextAreaEdit;
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friend class FormLineEdit;
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friend class FileEdit;
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friend class ListEdit;
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friend class ComboEdit;
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QList< RadioData > m_radios;
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QHash< int, Okular::FormFieldButton* > m_formButtons;
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QHash< int, QAbstractButton* > m_buttons;
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Okular::Document* m_doc;
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};
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class FormWidgetFactory
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{
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public:
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static FormWidgetIface * createWidget( Okular::FormField * ff, QWidget * parent = 0 );
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};
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class FormWidgetIface
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{
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public:
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FormWidgetIface( QWidget * w, Okular::FormField * ff );
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virtual ~FormWidgetIface();
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Okular::NormalizedRect rect() const;
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void setWidthHeight( int w, int h );
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void moveTo( int x, int y );
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bool setVisibility( bool visible );
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void setCanBeFilled( bool fill );
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void setPageItem( PageViewItem *pageItem );
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Okular::FormField* formField() const;
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PageViewItem* pageItem() const;
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virtual void setFormWidgetsController( FormWidgetsController *controller );
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virtual QAbstractButton* button();
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protected:
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FormWidgetsController * m_controller;
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private:
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QWidget * m_widget;
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Okular::FormField * m_ff;
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PageViewItem * m_pageItem;
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};
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class PushButtonEdit : public QPushButton, public FormWidgetIface
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{
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Q_OBJECT
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public:
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explicit PushButtonEdit( Okular::FormFieldButton * button, QWidget * parent = 0 );
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private slots:
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void slotClicked();
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private:
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Okular::FormFieldButton * m_form;
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};
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class CheckBoxEdit : public QCheckBox, public FormWidgetIface
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{
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Q_OBJECT
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public:
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explicit CheckBoxEdit( Okular::FormFieldButton * button, QWidget * parent = 0 );
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// reimplemented from FormWidgetIface
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void setFormWidgetsController( FormWidgetsController *controller );
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QAbstractButton* button();
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private slots:
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void slotStateChanged( int state );
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private:
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Okular::FormFieldButton * m_form;
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};
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class RadioButtonEdit : public QRadioButton, public FormWidgetIface
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{
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Q_OBJECT
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public:
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explicit RadioButtonEdit( Okular::FormFieldButton * button, QWidget * parent = 0 );
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// reimplemented from FormWidgetIface
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void setFormWidgetsController( FormWidgetsController *controller );
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QAbstractButton* button();
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private:
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Okular::FormFieldButton * m_form;
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};
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class FormLineEdit : public QLineEdit, public FormWidgetIface
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{
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Q_OBJECT
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public:
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explicit FormLineEdit( Okular::FormFieldText * text, QWidget * parent = 0 );
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void setFormWidgetsController( FormWidgetsController *controller );
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virtual bool event ( QEvent * e );
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virtual void contextMenuEvent( QContextMenuEvent* event );
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public slots:
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void slotHandleTextChangedByUndoRedo( int pageNumber,
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Okular::FormFieldText* textForm,
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const QString & contents,
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int cursorPos,
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int anchorPos );
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private slots:
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void slotChanged();
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private:
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Okular::FormFieldText * m_form;
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int m_prevCursorPos;
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int m_prevAnchorPos;
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};
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class TextAreaEdit : public KTextEdit, public FormWidgetIface
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{
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Q_OBJECT
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public:
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explicit TextAreaEdit( Okular::FormFieldText * text, QWidget * parent = 0 );
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void setFormWidgetsController( FormWidgetsController *controller );
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virtual bool event ( QEvent * e );
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public slots:
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void slotHandleTextChangedByUndoRedo( int pageNumber,
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Okular::FormFieldText * textForm,
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const QString & contents,
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int cursorPos,
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int anchorPos );
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void slotUpdateUndoAndRedoInContextMenu( QMenu* menu );
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private slots:
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void slotChanged();
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private:
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Okular::FormFieldText * m_form;
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int m_prevCursorPos;
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int m_prevAnchorPos;
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};
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class FileEdit : public KUrlRequester, public FormWidgetIface
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{
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Q_OBJECT
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public:
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explicit FileEdit( Okular::FormFieldText * text, QWidget * parent = 0 );
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void setFormWidgetsController( FormWidgetsController *controller );
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protected:
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bool eventFilter( QObject *obj, QEvent *event );
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private slots:
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void slotChanged();
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void slotHandleFileChangedByUndoRedo( int pageNumber,
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Okular::FormFieldText * form,
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const QString & contents,
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int cursorPos,
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int anchorPos );
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private:
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Okular::FormFieldText * m_form;
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int m_prevCursorPos;
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int m_prevAnchorPos;
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};
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class ListEdit : public QListWidget, public FormWidgetIface
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{
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Q_OBJECT
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public:
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explicit ListEdit( Okular::FormFieldChoice * choice, QWidget * parent = 0 );
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void setFormWidgetsController( FormWidgetsController *controller );
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private slots:
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void slotSelectionChanged();
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void slotHandleFormListChangedByUndoRedo( int pageNumber,
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Okular::FormFieldChoice * listForm,
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const QList< int > & choices );
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private:
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Okular::FormFieldChoice * m_form;
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};
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class ComboEdit : public QComboBox, public FormWidgetIface
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{
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Q_OBJECT
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public:
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explicit ComboEdit( Okular::FormFieldChoice * choice, QWidget * parent = 0 );
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void setFormWidgetsController( FormWidgetsController *controller );
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virtual bool event ( QEvent * e );
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virtual void contextMenuEvent( QContextMenuEvent* event );
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private slots:
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void slotValueChanged();
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void slotHandleFormComboChangedByUndoRedo( int pageNumber,
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Okular::FormFieldChoice * comboForm,
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const QString & text,
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int cursorPos,
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int anchorPos
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);
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private:
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Okular::FormFieldChoice * m_form;
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int m_prevCursorPos;
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int m_prevAnchorPos;
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};
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#endif
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