okular/ui/formwidgets.h

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Pino Toscano <pino@kde.org>                     *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  ***************************************************************************/
   9
  10 #ifndef _OKULAR_FORMWIDGETS_H_
  11 #define _OKULAR_FORMWIDGETS_H_
  12
  13 #include "core/area.h"
  14
  15 #include <qcheckbox.h>
  16 #include <qcombobox.h>
  17 #include <qlineedit.h>
  18 #include <qlistwidget.h>
  19 #include <qpushbutton.h>
  20 #include <qradiobutton.h>
  21 #include <ktextedit.h>
  22 #include <kurlrequester.h>
  23
  24 class QButtonGroup;
  25 class FormWidgetIface;
  26 class PageViewItem;
  27 class RadioButtonEdit;
  28
  29 namespace Okular {
  30 class Action;
  31 class FormField;
  32 class FormFieldButton;
  33 class FormFieldChoice;
  34 class FormFieldText;
  35 }
  36
  37 struct RadioData
  38 {
  39     RadioData() {}
  40
  41     QList< int > ids;
  42     QButtonGroup *group;
  43 };
  44
  45 class FormWidgetsController : public QObject
  46 {
  47     Q_OBJECT
  48
  49     public:
  50         FormWidgetsController( QObject *parent = 0 );
  51         virtual ~FormWidgetsController();
  52
  53         void signalChanged( FormWidgetIface *w );
  54         void signalAction( Okular::Action *action );
  55
  56         QButtonGroup* registerRadioButton( FormWidgetIface* widget, const QList< int >& siblings );
  57         void dropRadioButtons();
  58
  59     signals:
  60         void changed( FormWidgetIface *w );
  61         void action( Okular::Action *action );
  62
  63     private slots:
  64         void slotButtonClicked( QAbstractButton *button );
  65
  66     private:
  67         QList< RadioData > m_radios;
  68 };
  69
  70
  71 class FormWidgetFactory
  72 {
  73     public:
  74         static FormWidgetIface * createWidget( Okular::FormField * ff, QWidget * parent = 0 );
  75 };
  76
  77
  78 class FormWidgetIface
  79 {
  80     public:
  81         FormWidgetIface( QWidget * w, Okular::FormField * ff );
  82         virtual ~FormWidgetIface();
  83
  84         Okular::NormalizedRect rect() const;
  85         void setWidthHeight( int w, int h );
  86         void moveTo( int x, int y );
  87         bool setVisibility( bool visible );
  88         void setCanBeFilled( bool fill );
  89
  90         void setPageItem( PageViewItem *pageItem );
  91         Okular::FormField* formField() const;
  92         PageViewItem* pageItem() const;
  93
  94         virtual void setFormWidgetsController( FormWidgetsController *controller );
  95         virtual QAbstractButton* button();
  96
  97     protected:
  98         FormWidgetsController * m_controller;
  99
 100     private:
 101         QWidget * m_widget;
 102         Okular::FormField * m_ff;
 103         PageViewItem * m_pageItem;
 104 };
 105
 106
 107 class PushButtonEdit : public QPushButton, public FormWidgetIface
 108 {
 109     Q_OBJECT
 110
 111     public:
 112         PushButtonEdit( Okular::FormFieldButton * button, QWidget * parent = 0 );
 113
 114     private slots:
 115         void slotClicked();
 116
 117     private:
 118         Okular::FormFieldButton * m_form;
 119 };
 120
 121 class CheckBoxEdit : public QCheckBox, public FormWidgetIface
 122 {
 123     Q_OBJECT
 124
 125     public:
 126         CheckBoxEdit( Okular::FormFieldButton * button, QWidget * parent = 0 );
 127
 128         // reimplemented from FormWidgetIface
 129         void setFormWidgetsController( FormWidgetsController *controller );
 130         QAbstractButton* button();
 131
 132     private slots:
 133         void slotStateChanged( int state );
 134
 135     private:
 136         Okular::FormFieldButton * m_form;
 137 };
 138
 139 class RadioButtonEdit : public QRadioButton, public FormWidgetIface
 140 {
 141     Q_OBJECT
 142
 143     public:
 144         RadioButtonEdit( Okular::FormFieldButton * button, QWidget * parent = 0 );
 145
 146         // reimplemented from FormWidgetIface
 147         void setFormWidgetsController( FormWidgetsController *controller );
 148         QAbstractButton* button();
 149
 150     private slots:
 151         void slotToggled( bool checked );
 152
 153     private:
 154         Okular::FormFieldButton * m_form;
 155 };
 156
 157 class FormLineEdit : public QLineEdit, public FormWidgetIface
 158 {
 159     Q_OBJECT
 160
 161     public:
 162         explicit FormLineEdit( Okular::FormFieldText * text, QWidget * parent = 0 );
 163
 164     private slots:
 165         void textEdited( const QString& );
 166
 167     private:
 168         Okular::FormFieldText * m_form;
 169 };
 170
 171 class TextAreaEdit : public KTextEdit, public FormWidgetIface
 172 {
 173     Q_OBJECT
 174
 175     public:
 176         explicit TextAreaEdit( Okular::FormFieldText * text, QWidget * parent = 0 );
 177
 178     private slots:
 179         void slotChanged();
 180
 181     private:
 182         Okular::FormFieldText * m_form;
 183 };
 184
 185
 186 class FileEdit : public KUrlRequester, public FormWidgetIface
 187 {
 188     Q_OBJECT
 189
 190     public:
 191         explicit FileEdit( Okular::FormFieldText * text, QWidget * parent = 0 );
 192
 193     private slots:
 194         void slotChanged( const QString& );
 195
 196     private:
 197         Okular::FormFieldText * m_form;
 198 };
 199
 200
 201 class ListEdit : public QListWidget, public FormWidgetIface
 202 {
 203     Q_OBJECT
 204
 205     public:
 206         explicit ListEdit( Okular::FormFieldChoice * choice, QWidget * parent = 0 );
 207
 208     private slots:
 209         void slotSelectionChanged();
 210
 211     private:
 212         Okular::FormFieldChoice * m_form;
 213 };
 214
 215
 216 class ComboEdit : public QComboBox, public FormWidgetIface
 217 {
 218     Q_OBJECT
 219
 220     public:
 221         explicit ComboEdit( Okular::FormFieldChoice * choice, QWidget * parent = 0 );
 222
 223     private slots:
 224         void indexChanged( int );
 225
 226     private:
 227         Okular::FormFieldChoice * m_form;
 228 };
 229
 230 #endif