libdocument/ev-form-field.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /* this file is part of evince, a gnome document viewer
   3  *
   4  *  Copyright (C) 2007 Carlos Garcia Campos <carlosgc@gnome.org>
   5  *  Copyright (C) 2006 Julien Rebetez
   6  *
   7  * Evince is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * Evince is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  */
  21
  22 #include <config.h>
  23 #include "ev-form-field.h"
  24
  25 static void ev_form_field_init                 (EvFormField               *field);
  26 static void ev_form_field_class_init           (EvFormFieldClass          *klass);
  27 static void ev_form_field_text_init            (EvFormFieldText           *field_text);
  28 static void ev_form_field_text_class_init      (EvFormFieldTextClass      *klass);
  29 static void ev_form_field_button_init          (EvFormFieldButton         *field_button);
  30 static void ev_form_field_button_class_init    (EvFormFieldButtonClass    *klass);
  31 static void ev_form_field_choice_init          (EvFormFieldChoice         *field_choice);
  32 static void ev_form_field_choice_class_init    (EvFormFieldChoiceClass    *klass);
  33 static void ev_form_field_signature_init       (EvFormFieldSignature      *field_choice);
  34 static void ev_form_field_signature_class_init (EvFormFieldSignatureClass *klass);
  35
  36 G_DEFINE_ABSTRACT_TYPE (EvFormField, ev_form_field, G_TYPE_OBJECT)
  37 G_DEFINE_TYPE (EvFormFieldText, ev_form_field_text, EV_TYPE_FORM_FIELD)
  38 G_DEFINE_TYPE (EvFormFieldButton, ev_form_field_button, EV_TYPE_FORM_FIELD)
  39 G_DEFINE_TYPE (EvFormFieldChoice, ev_form_field_choice, EV_TYPE_FORM_FIELD)
  40 G_DEFINE_TYPE (EvFormFieldSignature, ev_form_field_signature, EV_TYPE_FORM_FIELD)
  41
  42 static void
  43 ev_form_field_init (EvFormField *field)
  44 {
  45         field->page = NULL;
  46         field->changed = FALSE;
  47         field->is_read_only = FALSE;
  48 }
  49
  50 static void
  51 ev_form_field_finalize (GObject *object)
  52 {
  53         EvFormField *field = EV_FORM_FIELD (object);
  54
  55         g_object_unref (field->page);
  56         field->page = NULL;
  57
  58         (* G_OBJECT_CLASS (ev_form_field_parent_class)->finalize) (object);
  59 }
  60
  61 static void
  62 ev_form_field_class_init (EvFormFieldClass *klass)
  63 {
  64         GObjectClass *object_class = G_OBJECT_CLASS (klass);
  65
  66         object_class->finalize = ev_form_field_finalize;
  67 }
  68
  69 static void
  70 ev_form_field_text_finalize (GObject *object)
  71 {
  72         EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (object);
  73
  74         if (field_text->text) {
  75                 g_free (field_text->text);
  76                 field_text->text = NULL;
  77         }
  78
  79         (* G_OBJECT_CLASS (ev_form_field_text_parent_class)->finalize) (object);
  80 }
  81
  82 static void
  83 ev_form_field_text_init (EvFormFieldText *field_text)
  84 {
  85 }
  86
  87 static void
  88 ev_form_field_text_class_init (EvFormFieldTextClass *klass)
  89 {
  90         GObjectClass *object_class = G_OBJECT_CLASS (klass);
  91
  92         object_class->finalize = ev_form_field_text_finalize;
  93 }
  94
  95 static void
  96 ev_form_field_button_init (EvFormFieldButton *field_button)
  97 {
  98 }
  99
 100 static void
 101 ev_form_field_button_class_init (EvFormFieldButtonClass *klass)
 102 {
 103 }
 104
 105 static void
 106 ev_form_field_choice_finalize (GObject *object)
 107 {
 108         EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (object);
 109
 110         if (field_choice->selected_items) {
 111                 g_list_free (field_choice->selected_items);
 112                 field_choice->selected_items = NULL;
 113         }
 114
 115         if (field_choice->text) {
 116                 g_free (field_choice->text);
 117                 field_choice->text = NULL;
 118         }
 119
 120         (* G_OBJECT_CLASS (ev_form_field_choice_parent_class)->finalize) (object);
 121 }
 122
 123 static void
 124 ev_form_field_choice_init (EvFormFieldChoice *field_choice)
 125 {
 126 }
 127
 128 static void
 129 ev_form_field_choice_class_init (EvFormFieldChoiceClass *klass)
 130 {
 131         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 132
 133         object_class->finalize = ev_form_field_choice_finalize;
 134 }
 135
 136 static void
 137 ev_form_field_signature_init (EvFormFieldSignature *field_signature)
 138 {
 139 }
 140
 141 static void
 142 ev_form_field_signature_class_init (EvFormFieldSignatureClass *klass)
 143 {
 144 }
 145
 146 EvFormField *
 147 ev_form_field_text_new (gint                id,
 148                         EvFormFieldTextType type)
 149 {
 150         EvFormField *field;
 151
 152         g_return_val_if_fail (id >= 0, NULL);
 153         g_return_val_if_fail (type >= EV_FORM_FIELD_TEXT_NORMAL &&
 154                               type <= EV_FORM_FIELD_TEXT_FILE_SELECT, NULL);
 155
 156         field = EV_FORM_FIELD (g_object_new (EV_TYPE_FORM_FIELD_TEXT, NULL));
 157         field->id = id;
 158         EV_FORM_FIELD_TEXT (field)->type = type;
 159
 160         return field;
 161 }
 162
 163 EvFormField *
 164 ev_form_field_button_new (gint                  id,
 165                           EvFormFieldButtonType type)
 166 {
 167         EvFormField *field;
 168
 169         g_return_val_if_fail (id >= 0, NULL);
 170         g_return_val_if_fail (type >= EV_FORM_FIELD_BUTTON_PUSH &&
 171                               type <= EV_FORM_FIELD_BUTTON_RADIO, NULL);
 172
 173         field = EV_FORM_FIELD (g_object_new (EV_TYPE_FORM_FIELD_BUTTON, NULL));
 174         field->id = id;
 175         EV_FORM_FIELD_BUTTON (field)->type = type;
 176
 177         return field;
 178 }
 179
 180 EvFormField *
 181 ev_form_field_choice_new (gint                  id,
 182                           EvFormFieldChoiceType type)
 183 {
 184         EvFormField *field;
 185
 186         g_return_val_if_fail (id >= 0, NULL);
 187         g_return_val_if_fail (type >= EV_FORM_FIELD_CHOICE_COMBO &&
 188                               type <= EV_FORM_FIELD_CHOICE_LIST, NULL);
 189
 190         field = EV_FORM_FIELD (g_object_new (EV_TYPE_FORM_FIELD_CHOICE, NULL));
 191         field->id = id;
 192         EV_FORM_FIELD_CHOICE (field)->type = type;
 193
 194         return field;
 195 }
 196
 197 EvFormField *
 198 ev_form_field_signature_new (gint id)
 199 {
 200         EvFormField *field;
 201
 202         g_return_val_if_fail (id >= 0, NULL);
 203
 204         field = EV_FORM_FIELD (g_object_new (EV_TYPE_FORM_FIELD_SIGNATURE, NULL));
 205         field->id = id;
 206
 207         return field;
 208 }
 209