Merge evince-forms branch.

2007-07-08  Carlos Garcia Campos  <carlosgc@gnome.org>
	* configure.ac:
	* backend/pdf/ev-poppler.cc: (pdf_document_get_crop_box),
	(ev_form_field_from_poppler_field),
	(pdf_document_forms_get_form_fields),
	(pdf_document_forms_form_field_text_get_text),
	(pdf_document_forms_form_field_text_set_text),
	(pdf_document_forms_form_field_button_set_state),
	(pdf_document_forms_form_field_button_get_state),
	(pdf_document_forms_form_field_choice_get_item),
	(pdf_document_forms_form_field_choice_get_n_items),
	(pdf_document_forms_form_field_choice_is_item_selected),
	(pdf_document_forms_form_field_choice_select_item),
	(pdf_document_forms_form_field_choice_toggle_item),
	(pdf_document_forms_form_field_choice_unselect_all),
	(pdf_document_forms_form_field_choice_set_text),
	(pdf_document_forms_form_field_choice_get_text),
	(pdf_document_document_forms_iface_init):
	* libdocument/Makefile.am:
	* libdocument/ev-form-field.[ch]:
	* libdocument/ev-document-forms.[ch]:
	* shell/ev-pixbuf-cache.[ch]: (dispose_cache_job_info),
	(move_one_job), (copy_job_to_job_info), (add_job_if_needed),
	(add_job), (ev_pixbuf_cache_reload_page),
	(ev_pixbuf_cache_get_form_field_mapping):
	* shell/ev-jobs.[ch]: (ev_job_render_new), (ev_job_render_run):
	* shell/ev-view-private.h:
	* shell/ev-view.[ch]: (ev_view_set_scroll_adjustments),
	(ev_view_handle_cursor_over_xy),
	(ev_view_get_form_field_at_location),
	(ev_view_forms_remove_widgets), (ev_view_form_field_destroy),
	(ev_view_form_field_button_create_widget),
	(ev_view_form_field_text_save), (ev_view_form_field_text_changed),
	(ev_view_form_field_text_create_widget),
	(ev_view_form_field_choice_save),
	(ev_view_form_field_choice_changed),
	(ev_view_form_field_choice_create_widget),
	(ev_view_handle_form_field), (ev_view_size_allocate),
	(ev_view_realize), (draw_end_presentation_page),
	(ev_view_button_press_event), (ev_view_remove_all),
	(ev_view_motion_notify_event), (ev_view_key_press_event),
	(ev_view_enter_notify_event), (highlight_find_results),
	(draw_loading_text), (draw_one_page), (ev_view_destroy),
	(ev_view_class_init), (page_changed_cb),
	(on_adjustment_value_changed), (ev_view_set_presentation),
	(merge_selection_region), (ev_view_set_cursor),
	(ev_view_reset_presentation_state):
	Merge evince-forms branch.

svn path=/trunk/; revision=2560

7 files changed, 792 insertions, 2 deletions

diff --git a/libdocument/Makefile.am b/libdocument/Makefile.am
index 73340ff..f96d019 100644
--- a/libdocument/Makefile.am
+++ b/libdocument/Makefile.am
@@ -48,6 +48,10 @@ libevbackend_la_SOURCES=			\
 	ev-document-info.h			\
 	ev-document-transition.h		\
 	ev-document-transition.c		\
+	ev-document-forms.h			\
+	ev-document-forms.c			\
+	ev-form-field.h 			\
+	ev-form-field.c 			\
 	ev-file-exporter.c			\
 	ev-file-exporter.h			\
 	ev-file-helpers.c			\
diff --git a/libdocument/ev-document-forms.c b/libdocument/ev-document-forms.c
new file mode 100644
index 0000000..cdefb46
--- /dev/null
+++ b/libdocument/ev-document-forms.c
@@ -0,0 +1,165 @@
+/* ev-document-forms.c
+ *  this file is part of evince, a gnome document viewer
+ * 
+ * Copyright (C) 2007 Carlos Garcia Campos <carlosgc@gnome.org>
+ *
+ * Evince 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 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include "ev-document-forms.h"
+
+GType
+ev_document_forms_get_type (void)
+{
+	static GType type = 0;
+
+	if (G_UNLIKELY (type == 0)) {
+		const GTypeInfo our_info = {
+			sizeof (EvDocumentFormsIface),
+			NULL,
+			NULL,
+		};
+
+		type = g_type_register_static (G_TYPE_INTERFACE,
+					       "EvDocumentForms",
+					       &our_info, (GTypeFlags)0);
+	}
+
+	return type;
+}
+
+GList *
+ev_document_forms_get_form_fields (EvDocumentForms *document_forms,
+				   gint             page)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	return iface->get_form_fields (document_forms, page);
+}
+
+gchar *
+ev_document_forms_form_field_text_get_text (EvDocumentForms *document_forms, 
+					    EvFormField     *field)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	return iface->form_field_text_get_text (document_forms, field);
+}
+
+void
+ev_document_forms_form_field_text_set_text (EvDocumentForms *document_forms, 
+					    EvFormField     *field, 
+					    const gchar     *text)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	iface->form_field_text_set_text (document_forms, field, text);
+}
+
+gboolean
+ev_document_forms_form_field_button_get_state (EvDocumentForms   *document_forms,
+					       EvFormField       *field)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	return iface->form_field_button_get_state (document_forms, field);
+}
+
+void
+ev_document_forms_form_field_button_set_state (EvDocumentForms   *document_forms, 
+					       EvFormField       *field, 
+					       gboolean           state)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	iface->form_field_button_set_state (document_forms, field, state);
+}
+
+gchar *
+ev_document_forms_form_field_choice_get_item (EvDocumentForms   *document_forms, 
+					      EvFormField       *field, 
+					      gint               index)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	return iface->form_field_choice_get_item (document_forms, field, index);
+}
+
+gint
+ev_document_forms_form_field_choice_get_n_items (EvDocumentForms   *document_forms, 
+						 EvFormField       *field)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	return iface->form_field_choice_get_n_items (document_forms, field);
+}
+
+gboolean
+ev_document_forms_form_field_choice_is_item_selected (EvDocumentForms   *document_forms, 
+						      EvFormField       *field, 
+						      gint               index)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	return iface->form_field_choice_is_item_selected (document_forms, field, index);
+}
+
+void
+ev_document_forms_form_field_choice_select_item (EvDocumentForms   *document_forms, 
+						 EvFormField       *field, 
+						 gint               index)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	iface->form_field_choice_select_item (document_forms, field, index);
+}
+
+void
+ev_document_forms_form_field_choice_toggle_item (EvDocumentForms   *document_forms, 
+						 EvFormField       *field, 
+						 gint               index)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	iface->form_field_choice_toggle_item (document_forms, field, index);
+}
+
+void
+ev_document_forms_form_field_choice_unselect_all (EvDocumentForms   *document_forms, 
+						  EvFormField       *field)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	iface->form_field_choice_unselect_all (document_forms, field);
+}
+
+void
+ev_document_forms_form_field_choice_set_text (EvDocumentForms   *document_forms,
+					      EvFormField       *field,
+					      const gchar       *text)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	iface->form_field_choice_set_text (document_forms, field, text);
+}
+
+gchar *
+ev_document_forms_form_field_choice_get_text (EvDocumentForms   *document_forms,
+					      EvFormField       *field)
+{
+	EvDocumentFormsIface *iface = EV_DOCUMENT_FORMS_GET_IFACE (document_forms);
+
+	return iface->form_field_choice_get_text (document_forms, field);
+}
diff --git a/libdocument/ev-document-forms.h b/libdocument/ev-document-forms.h
new file mode 100644
index 0000000..a1b192d
--- /dev/null
+++ b/libdocument/ev-document-forms.h
@@ -0,0 +1,121 @@
+/* ev-document-forms.h
+ *  this file is part of evince, a gnome document viewer
+ * 
+ * Copyright (C) 2007 Carlos Garcia Campos <carlosgc@gnome.org>
+ *
+ * Evince 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 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef EV_DOCUMENT_FORMS_H
+#define EV_DOCUMENT_FORMS_H
+
+#include <glib-object.h>
+
+#include "ev-document.h"
+#include "ev-form-field.h"
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_DOCUMENT_FORMS	          (ev_document_forms_get_type ())
+#define EV_DOCUMENT_FORMS(o)	          (G_TYPE_CHECK_INSTANCE_CAST ((o), EV_TYPE_DOCUMENT_FORMS, EvDocumentForms))
+#define EV_DOCUMENT_FORMS_IFACE(k)	  (G_TYPE_CHECK_CLASS_CAST((k), EV_TYPE_DOCUMENT_FORMS, EvDocumentFormsIface))
+#define EV_IS_DOCUMENT_FORMS(o)	          (G_TYPE_CHECK_INSTANCE_TYPE ((o), EV_TYPE_DOCUMENT_FORMS))
+#define EV_IS_DOCUMENT_FORMS_IFACE(k)     (G_TYPE_CHECK_CLASS_TYPE ((k), EV_TYPE_DOCUMENT_FORMS))
+#define EV_DOCUMENT_FORMS_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), EV_TYPE_DOCUMENT_FORMS, EvDocumentFormsIface))
+
+typedef struct _EvDocumentForms      EvDocumentForms;
+typedef struct _EvDocumentFormsIface EvDocumentFormsIface;
+
+struct _EvDocumentFormsIface
+{
+	GTypeInterface base_iface;
+
+	/* Methods  */
+	GList   *(* get_form_fields)                    (EvDocumentForms   *document_forms,
+							 gint               page);
+	gchar   *(* form_field_text_get_text)           (EvDocumentForms   *document_forms,
+							 EvFormField       *field);
+	void     (* form_field_text_set_text)           (EvDocumentForms   *document_forms,
+							 EvFormField       *field,
+							 const gchar       *text);
+	gboolean (* form_field_button_get_state)        (EvDocumentForms   *document_forms,
+							 EvFormField       *field);
+	void     (* form_field_button_set_state)        (EvDocumentForms   *document_forms,
+							 EvFormField       *field,
+							 gboolean           state);
+	gchar   *(* form_field_choice_get_item)         (EvDocumentForms   *document_forms,
+							 EvFormField       *field,
+							 gint               index);
+	gint     (* form_field_choice_get_n_items)      (EvDocumentForms   *document_forms,
+							 EvFormField       *field);
+	gboolean (* form_field_choice_is_item_selected) (EvDocumentForms   *document_forms,
+							 EvFormField       *field,
+							 gint               index);
+	void     (* form_field_choice_select_item)      (EvDocumentForms   *document_forms,
+							 EvFormField       *field,
+							 gint               index);
+	void     (* form_field_choice_toggle_item)      (EvDocumentForms   *document_forms,
+							 EvFormField       *field,
+							 gint               index);
+	void     (* form_field_choice_unselect_all)     (EvDocumentForms   *document_forms,
+							 EvFormField       *field);
+	void     (* form_field_choice_set_text)         (EvDocumentForms   *document_forms,
+							 EvFormField       *field,
+							 const gchar       *text);
+	gchar   *(* form_field_choice_get_text)         (EvDocumentForms   *document_forms,
+							 EvFormField       *field);
+};
+
+GType    ev_document_forms_get_type                            (void) G_GNUC_CONST;
+GList   *ev_document_forms_get_form_fields                     (EvDocumentForms   *document_forms,
+								gint               page);
+
+gchar 	*ev_document_forms_form_field_text_get_text            (EvDocumentForms   *document_forms, 
+								EvFormField       *field);
+void 	 ev_document_forms_form_field_text_set_text            (EvDocumentForms   *document_forms, 
+								EvFormField       *field, 
+								const gchar       *text);
+
+gboolean ev_document_forms_form_field_button_get_state         (EvDocumentForms   *document_forms,
+								EvFormField       *field);
+void 	 ev_document_forms_form_field_button_set_state         (EvDocumentForms   *document_forms, 
+								EvFormField       *field, 
+								gboolean           state);
+
+gchar    *ev_document_forms_form_field_choice_get_item         (EvDocumentForms   *document_forms, 
+								EvFormField       *field, 
+								gint               index);
+gint 	  ev_document_forms_form_field_choice_get_n_items      (EvDocumentForms   *document_forms, 
+								EvFormField       *field);
+gboolean  ev_document_forms_form_field_choice_is_item_selected (EvDocumentForms   *document_forms, 
+								EvFormField       *field, 
+								gint               index);
+void 	  ev_document_forms_form_field_choice_select_item      (EvDocumentForms   *document_forms, 
+								EvFormField       *field, 
+								gint               index);
+void 	  ev_document_forms_form_field_choice_toggle_item      (EvDocumentForms   *document_forms, 
+								EvFormField       *field, 
+								gint               index);
+void 	  ev_document_forms_form_field_choice_unselect_all     (EvDocumentForms   *document_forms, 
+								EvFormField       *field);
+void 	  ev_document_forms_form_field_choice_set_text         (EvDocumentForms   *document_forms,
+								EvFormField       *field,
+								const gchar       *text);
+gchar    *ev_document_forms_form_field_choice_get_text         (EvDocumentForms   *document_forms,
+								EvFormField       *field);
+
+G_END_DECLS
+
+#endif /* EV_DOCUMENT_FORMS_H */
diff --git a/libdocument/ev-document.c b/libdocument/ev-document.c
index f22f55f..e0ce69f 100644
--- a/libdocument/ev-document.c
+++ b/libdocument/ev-document.c
@@ -283,3 +283,6 @@ ev_rect_cmp (EvRectangle *a,
 		  (ABS (a->x2 - b->x2) < EPSILON) &&
 		  (ABS (a->y2 - b->y2) < EPSILON));
 }
+
+
+
diff --git a/libdocument/ev-document.h b/libdocument/ev-document.h
index ce887fc..e83295f 100644
--- a/libdocument/ev-document.h
+++ b/libdocument/ev-document.h
@@ -134,8 +134,6 @@ cairo_surface_t *ev_document_render           (EvDocument      *document,
 
 gint            ev_rect_cmp                   (EvRectangle    *a,
                                                EvRectangle    *b);
-
-
 G_END_DECLS
 
 #endif /* EV_DOCUMENT_H */
diff --git a/libdocument/ev-form-field.c b/libdocument/ev-form-field.c
new file mode 100644
index 0000000..b3cc791
--- /dev/null
+++ b/libdocument/ev-form-field.c
@@ -0,0 +1,269 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/* this file is part of evince, a gnome document viewer
+ *
+ *  Copyright (C) 2007 Carlos Garcia Campos <carlosgc@gnome.org>
+ *  Copyright (C) 2006 Julien Rebetez
+ *
+ * Evince 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 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include "ev-form-field.h"
+
+static void ev_form_field_init                 (EvFormField               *field);
+static void ev_form_field_class_init           (EvFormFieldClass          *klass);
+static void ev_form_field_text_init            (EvFormFieldText           *field_text);
+static void ev_form_field_text_class_init      (EvFormFieldTextClass      *klass);
+static void ev_form_field_button_init          (EvFormFieldButton         *field_button);
+static void ev_form_field_button_class_init    (EvFormFieldButtonClass    *klass);
+static void ev_form_field_choice_init          (EvFormFieldChoice         *field_choice);
+static void ev_form_field_choice_class_init    (EvFormFieldChoiceClass    *klass);
+static void ev_form_field_signature_init       (EvFormFieldSignature      *field_choice);
+static void ev_form_field_signature_class_init (EvFormFieldSignatureClass *klass);
+
+G_DEFINE_ABSTRACT_TYPE (EvFormField, ev_form_field, G_TYPE_OBJECT)
+G_DEFINE_TYPE (EvFormFieldText, ev_form_field_text, EV_TYPE_FORM_FIELD)
+G_DEFINE_TYPE (EvFormFieldButton, ev_form_field_button, EV_TYPE_FORM_FIELD)
+G_DEFINE_TYPE (EvFormFieldChoice, ev_form_field_choice, EV_TYPE_FORM_FIELD)
+G_DEFINE_TYPE (EvFormFieldSignature, ev_form_field_signature, EV_TYPE_FORM_FIELD)
+
+static void
+ev_form_field_init (EvFormField *field)
+{
+	field->page = -1;
+	field->changed = FALSE;
+	field->is_read_only = FALSE;
+}
+
+static void
+ev_form_field_class_init (EvFormFieldClass *klass)
+{
+}
+
+static void
+ev_form_field_text_finalize (GObject *object)
+{
+	EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (object);
+
+	if (field_text->text) {
+		g_free (field_text->text);
+		field_text->text = NULL;
+	}
+
+	(* G_OBJECT_CLASS (ev_form_field_text_parent_class)->finalize) (object);
+}
+
+static void
+ev_form_field_text_init (EvFormFieldText *field_text)
+{
+}
+
+static void
+ev_form_field_text_class_init (EvFormFieldTextClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+	object_class->finalize = ev_form_field_text_finalize;
+}
+
+static void
+ev_form_field_button_init (EvFormFieldButton *field_button)
+{
+}
+
+static void
+ev_form_field_button_class_init (EvFormFieldButtonClass *klass)
+{
+}
+
+static void
+ev_form_field_choice_finalize (GObject *object)
+{
+	EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (object);
+
+	if (field_choice->selected_items) {
+		g_list_free (field_choice->selected_items);
+		field_choice->selected_items = NULL;
+	}
+
+	if (field_choice->text) {
+		g_free (field_choice->text);
+		field_choice->text = NULL;
+	}
+
+	(* G_OBJECT_CLASS (ev_form_field_choice_parent_class)->finalize) (object);
+}
+
+static void
+ev_form_field_choice_init (EvFormFieldChoice *field_choice)
+{
+}
+
+static void
+ev_form_field_choice_class_init (EvFormFieldChoiceClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+	object_class->finalize = ev_form_field_choice_finalize;
+}
+
+static void
+ev_form_field_signature_init (EvFormFieldSignature *field_signature)
+{
+}
+
+static void
+ev_form_field_signature_class_init (EvFormFieldSignatureClass *klass)
+{
+}
+
+EvFormField *
+ev_form_field_text_new (gint                id,
+			EvFormFieldTextType type)
+{
+	EvFormField *field;
+	
+	g_return_val_if_fail (id >= 0, NULL);
+	g_return_val_if_fail (type >= EV_FORM_FIELD_TEXT_NORMAL &&
+			      type <= EV_FORM_FIELD_TEXT_FILE_SELECT, NULL);
+
+	field = EV_FORM_FIELD (g_object_new (EV_TYPE_FORM_FIELD_TEXT, NULL));
+	field->id = id;
+	EV_FORM_FIELD_TEXT (field)->type = type;
+
+	return field;
+}
+
+EvFormField *
+ev_form_field_button_new (gint                  id,
+			  EvFormFieldButtonType type)
+{
+	EvFormField *field;
+
+	g_return_val_if_fail (id >= 0, NULL);
+	g_return_val_if_fail (type >= EV_FORM_FIELD_BUTTON_PUSH &&
+			      type <= EV_FORM_FIELD_BUTTON_RADIO, NULL);
+
+	field = EV_FORM_FIELD (g_object_new (EV_TYPE_FORM_FIELD_BUTTON, NULL));
+	field->id = id;
+	EV_FORM_FIELD_BUTTON (field)->type = type;
+
+	return field;
+}
+
+EvFormField *
+ev_form_field_choice_new (gint                  id,
+			  EvFormFieldChoiceType type)
+{
+	EvFormField *field;
+
+	g_return_val_if_fail (id >= 0, NULL);
+	g_return_val_if_fail (type >= EV_FORM_FIELD_CHOICE_COMBO &&
+			      type <= EV_FORM_FIELD_CHOICE_LIST, NULL);
+	
+	field = EV_FORM_FIELD (g_object_new (EV_TYPE_FORM_FIELD_CHOICE, NULL));
+	field->id = id;
+	EV_FORM_FIELD_CHOICE (field)->type = type;
+
+	return field;
+}
+
+EvFormField *
+ev_form_field_signature_new (gint id)
+{
+	EvFormField *field;
+
+	g_return_val_if_fail (id >= 0, NULL);
+
+	field = EV_FORM_FIELD (g_object_new (EV_TYPE_FORM_FIELD_SIGNATURE, NULL));
+	field->id = id;
+
+	return field;
+}
+
+/* EvFormFieldMapping */
+static void
+ev_form_field_mapping_free_foreach (EvFormFieldMapping *mapping)
+{
+	g_object_unref (mapping->field);
+	g_free (mapping);
+}
+
+void
+ev_form_field_mapping_free (GList *field_mapping)
+{
+	if (!field_mapping)
+		return;
+
+	g_list_foreach (field_mapping, (GFunc)ev_form_field_mapping_free_foreach, NULL);
+	g_list_free (field_mapping);
+}
+
+EvFormField *
+ev_form_field_mapping_find (GList   *field_mapping,
+			    gdouble  x,
+			    gdouble  y)
+{
+	GList *list;
+
+	for (list = field_mapping; list; list = list->next) {
+		EvFormFieldMapping *mapping = list->data;
+
+		if ((x >= mapping->x1) &&
+		    (y >= mapping->y1) &&
+		    (x <= mapping->x2) &&
+		    (y <= mapping->y2)) {
+			return mapping->field;
+		}
+	}
+
+	return NULL;
+}
+
+void
+ev_form_field_mapping_get_area (GList       *field_mapping,
+				EvFormField *field,
+				EvRectangle *area)
+{
+	GList *list;
+
+	for (list = field_mapping; list; list = list->next) {
+		EvFormFieldMapping *mapping = list->data;
+
+		if (mapping->field->id == field->id) {
+			area->x1 = mapping->x1;
+			area->y1 = mapping->y1;
+			area->x2 = mapping->x2;
+			area->y2 = mapping->y2;
+
+			break;
+		}
+	}
+}
+
+EvFormField *
+ev_form_field_mapping_find_by_id (GList *field_mapping,
+				  gint   id)
+{
+	GList *list;
+	
+	for (list = field_mapping; list; list = list->next) {
+		EvFormFieldMapping *mapping = list->data;
+
+		if (id == mapping->field->id)
+			return mapping->field;
+	}
+	
+	return NULL;
+}
diff --git a/libdocument/ev-form-field.h b/libdocument/ev-form-field.h
new file mode 100644
index 0000000..1405999
--- /dev/null
+++ b/libdocument/ev-form-field.h
@@ -0,0 +1,230 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/* this file is part of evince, a gnome document viewer
+ *
+ *  Copyright (C) 2006 Julien Rebetez
+ *
+ * Evince 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 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef EV_FORM_FIELD_H
+#define EV_FORM_FIELD_H
+
+#include <glib-object.h>
+
+#include "ev-document.h"
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_FORM_FIELD                        (ev_form_field_get_type())
+#define EV_FORM_FIELD(object)                     (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_FORM_FIELD, EvFormField))
+#define EV_FORM_FIELD_CLASS(klass)                (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_FORM_FIELD, EvFormFieldClass))
+#define EV_IS_FORM_FIELD(object)                  (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_FORM_FIELD))
+#define EV_IS_FORM_FIELD_CLASS(klass)             (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_FORM_FIELD))
+#define EV_FORM_FIELD_GET_CLASS(object)           (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_FORM_FIELD, EvFormFieldClass)) 
+
+#define EV_TYPE_FORM_FIELD_TEXT                   (ev_form_field_text_get_type())
+#define EV_FORM_FIELD_TEXT(object)                (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_FORM_FIELD_TEXT, EvFormFieldText))
+#define EV_FORM_FIELD_TEXT_CLASS(klass)           (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_FORM_FIELD_TEXT, EvFormFieldTextClass))
+#define EV_IS_FORM_FIELD_TEXT(object)             (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_FORM_FIELD_TEXT))
+#define EV_IS_FORM_FIELD_TEXT_CLASS(klass)        (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_FORM_FIELD_TEXT))
+#define EV_FORM_FIELD_TEXT_GET_CLASS(object)      (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_FORM_FIELD_TEXT, EvFormFieldTextClass))
+
+#define EV_TYPE_FORM_FIELD_BUTTON                 (ev_form_field_button_get_type())
+#define EV_FORM_FIELD_BUTTON(object)              (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_FORM_FIELD_BUTTON, EvFormFieldButton))
+#define EV_FORM_FIELD_BUTTON_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_FORM_FIELD_BUTTON, EvFormFieldButtonClass))
+#define EV_IS_FORM_FIELD_BUTTON(object)           (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_FORM_FIELD_BUTTON))
+#define EV_IS_FORM_FIELD_BUTTON_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_FORM_FIELD_BUTTON))
+#define EV_FORM_FIELD_BUTTON_GET_CLASS(object)    (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_FORM_FIELD_BUTTON, EvFormFieldButtonClass))
+
+#define EV_TYPE_FORM_FIELD_CHOICE                 (ev_form_field_choice_get_type())
+#define EV_FORM_FIELD_CHOICE(object)              (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_FORM_FIELD_CHOICE, EvFormFieldChoice))
+#define EV_FORM_FIELD_CHOICE_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_FORM_FIELD_CHOICE, EvFormFieldChoiceClass))
+#define EV_IS_FORM_FIELD_CHOICE(object)           (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_FORM_FIELD_CHOICE))
+#define EV_IS_FORM_FIELD_CHOICE_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_FORM_FIELD_CHOICE))
+#define EV_FORM_FIELD_CHOICE_GET_CLASS(object)    (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_FORM_FIELD_CHOICE, EvFormFieldChoiceClass))
+
+#define EV_TYPE_FORM_FIELD_SIGNATURE              (ev_form_field_signature_get_type())
+#define EV_FORM_FIELD_SIGNATURE(object)           (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_FORM_FIELD_SIGNATURE, EvFormFieldSignature))
+#define EV_FORM_FIELD_SIGNATURE_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_FORM_FIELD_SIGNATURE, EvFormFieldSignatureClass))
+#define EV_IS_FORM_FIELD_SIGNATURE(object)        (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_FORM_FIELD_SIGNATURE))
+#define EV_IS_FORM_FIELD_SIGNATURE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_FORM_FIELD_SIGNATURE))
+#define EV_FORM_FIELD_SIGNATURE_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_FORM_FIELD_SIGNATURE, EvFormFieldSignatureClass))
+
+typedef struct _EvFormField               EvFormField;
+typedef struct _EvFormFieldClass          EvFormFieldClass;
+
+typedef struct _EvFormFieldText           EvFormFieldText;
+typedef struct _EvFormFieldTextClass      EvFormFieldTextClass;
+
+typedef struct _EvFormFieldButton         EvFormFieldButton;
+typedef struct _EvFormFieldButtonClass    EvFormFieldButtonClass;
+
+typedef struct _EvFormFieldChoice         EvFormFieldChoice;
+typedef struct _EvFormFieldChoiceClass    EvFormFieldChoiceClass;
+
+typedef struct _EvFormFieldSignature      EvFormFieldSignature;
+typedef struct _EvFormFieldSignatureClass EvFormFieldSignatureClass;
+
+typedef enum
+{
+	EV_FORM_FIELD_TEXT_NORMAL,
+	EV_FORM_FIELD_TEXT_MULTILINE,
+	EV_FORM_FIELD_TEXT_PASSWORD,
+	EV_FORM_FIELD_TEXT_FILE_SELECT
+} EvFormFieldTextType;
+
+typedef enum
+{
+	EV_FORM_FIELD_BUTTON_PUSH,
+	EV_FORM_FIELD_BUTTON_CHECK,
+	EV_FORM_FIELD_BUTTON_RADIO
+} EvFormFieldButtonType;
+
+typedef enum
+{
+	EV_FORM_FIELD_CHOICE_COMBO,
+	EV_FORM_FIELD_CHOICE_LIST
+} EvFormFieldChoiceType;
+
+struct _EvFormField
+{
+	GObject parent;
+
+	gint     id;
+	gboolean is_read_only;
+	gdouble  font_size;
+
+	gint     page;
+	gboolean changed;
+};
+
+struct _EvFormFieldClass
+{
+	GObjectClass parent_class;
+};
+	
+struct _EvFormFieldText
+{
+	EvFormField partent;
+	
+	EvFormFieldTextType type;
+	
+	gboolean do_spell_check : 1;
+	gboolean do_scroll : 1;
+	gboolean comb : 1;
+	gboolean is_rich_text : 1;
+
+	gint   max_len;
+	gchar *text;
+};
+
+struct _EvFormFieldTextClass
+{
+	EvFormFieldClass partent_class;
+};
+
+struct _EvFormFieldButton
+{
+	EvFormField partent;
+	
+	EvFormFieldButtonType type;
+
+	gboolean state;
+};
+
+struct _EvFormFieldButtonClass
+{
+	EvFormFieldClass partent_class;
+};
+
+struct _EvFormFieldChoice
+{
+	EvFormField partent;
+
+	EvFormFieldChoiceType type;
+	
+	gboolean multi_select : 1;
+	gboolean is_editable : 1;
+	gboolean do_spell_check : 1;
+	gboolean commit_on_sel_change : 1;
+
+	GList *selected_items;
+	gchar *text;
+};
+
+struct _EvFormFieldChoiceClass
+{
+	EvFormFieldClass partent_class;
+};
+
+struct _EvFormFieldSignature
+{
+	EvFormField partent;
+	
+	/* TODO */
+};
+
+struct _EvFormFieldSignatureClass
+{
+	EvFormFieldClass partent_class;
+};
+
+/* EvFormField base class */
+GType        ev_form_field_get_type           (void) G_GNUC_CONST;
+
+/* EvFormFieldText */
+GType        ev_form_field_text_get_type      (void) G_GNUC_CONST;
+EvFormField *ev_form_field_text_new           (gint                  id,
+					       EvFormFieldTextType   type);
+
+/* EvFormFieldButton */
+GType        ev_form_field_button_get_type    (void) G_GNUC_CONST;
+EvFormField *ev_form_field_button_new         (gint                  id,
+					       EvFormFieldButtonType type);
+
+/* EvFormFieldChoice */
+GType        ev_form_field_choice_get_type    (void) G_GNUC_CONST;
+EvFormField *ev_form_field_choice_new         (gint                  id,
+					       EvFormFieldChoiceType type);
+
+/* EvFormFieldSignature */
+GType        ev_form_field_signature_get_type (void) G_GNUC_CONST;
+EvFormField *ev_form_field_signature_new      (gint                  id);
+
+
+/* FormField Mapping stuff */
+typedef struct _EvFormFieldMapping EvFormFieldMapping;
+struct _EvFormFieldMapping {
+	EvFormField *field;
+	gdouble x1;
+	gdouble y1;
+	gdouble x2;
+	gdouble y2;
+};
+
+void         ev_form_field_mapping_free       (GList        *field_mapping);
+EvFormField *ev_form_field_mapping_find       (GList        *field_mapping,
+					       gdouble       x,
+					       gdouble       y);
+void         ev_form_field_mapping_get_area   (GList        *field_mapping,
+					       EvFormField  *field,
+					       EvRectangle  *area);
+EvFormField *ev_form_field_mapping_find_by_id (GList        *form_field_mapping,
+					       gint          id);
+
+G_END_DECLS
+
+#endif /* !EV_FORM_FIELD_H */
+