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Diffstat (limited to 'widgets/text/e-text-model-uri.c')
| -rw-r--r-- | widgets/text/e-text-model-uri.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/widgets/text/e-text-model-uri.c b/widgets/text/e-text-model-uri.c new file mode 100644 index 0000000000..bd8dbb18e8 --- /dev/null +++ b/widgets/text/e-text-model-uri.c @@ -0,0 +1,174 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* ETextModelURI - A Text Model w/ clickable URIs + * Copyright (C) 2001 Ximian, Inc. + * + * Author: Jon Trowbridge <trow@gnu.org> + * + */ + +#include <config.h> +#include <ctype.h> +#include "e-text-model-uri.h" + +static void e_text_model_uri_class_init (ETextModelURIClass *class); +static void e_text_model_uri_init (ETextModelURI *model); +static void e_text_model_uri_destroy (GtkObject *object); + +static void objectify_uris (ETextModelURI *model); + +static void e_text_model_uri_set_text (ETextModel *model, gchar *text); +static const gchar *e_text_model_uri_get_nth_object (ETextModel *model, gint); +static void e_text_model_uri_activate_nth_object (ETextModel *model, gint); + +static GtkObject *parent_class; + +GtkType +e_text_model_uri_get_type (void) +{ + static GtkType model_uri_type = 0; + + if (!model_uri_type) { + GtkTypeInfo model_uri_info = { + "ETextModelURI", + sizeof (ETextModelURI), + sizeof (ETextModelURIClass), + (GtkClassInitFunc) e_text_model_uri_class_init, + (GtkObjectInitFunc) e_text_model_uri_init, + NULL, /* reserved_1 */ + NULL, /* reserved_2 */ + (GtkClassInitFunc) NULL + }; + + model_uri_type = gtk_type_unique (e_text_model_get_type (), &model_uri_info); + } + + return model_uri_type; +} + +static void +e_text_model_uri_class_init (ETextModelURIClass *klass) +{ + GtkObjectClass *object_class; + ETextModelClass *model_class; + + object_class = (GtkObjectClass *) klass; + model_class = E_TEXT_MODEL_CLASS (klass); + + parent_class = gtk_type_class (e_text_model_get_type ()); + + object_class->destroy = e_text_model_uri_destroy; + + model_class->set_text = e_text_model_uri_set_text; + model_class->get_nth_obj = e_text_model_uri_get_nth_object; + model_class->activate_nth_obj = e_text_model_uri_activate_nth_object; +} + +static void +e_text_model_uri_init (ETextModelURI *model) +{ + +} + +static void +e_text_model_uri_destroy (GtkObject *object) +{ + if (GTK_OBJECT_CLASS (parent_class)->destroy) + (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); + +} + +static gchar * +extract_uri (gchar **in_str) +{ + gchar *s = *in_str; + if (strncmp (s, "http://", 7) == 0) { + gint periods=0; + gchar *uri; + + s += 7; + + while (*s && (isalnum((gint) *s) || (*s == '.' && periods < 2))) { + if (*s == '.') + ++periods; + ++s; + } + + uri = g_strndup (*in_str, s - *in_str); + *in_str = s; + return uri; + + } else { + *in_str = s+1; + return NULL; + } +} + +static void +objectify_uris (ETextModelURI *model_uri) +{ + ETextModel *model = E_TEXT_MODEL (model_uri); + gchar *new_text; + gchar *src, *dest; + GList *uris = NULL; + + if (model->text == NULL) + return; + + new_text = g_new0 (gchar, strlen (model->text)+1); + + src = model->text; + dest = new_text; + + while (*src) { + gchar *uri_str; + gchar *next = src; + if ( (uri_str = extract_uri (&next)) ) { + uris = g_list_append (uris, uri_str); + *dest = '\1'; + } else { + *dest = *src; + } + ++dest; + src = next; + } + + g_free (model->text); + model->text = new_text; + + /* Leaking old list */ + model_uri->uris = uris; +} + +static void +e_text_model_uri_set_text (ETextModel *model, gchar *text) +{ + if (E_TEXT_MODEL_CLASS(parent_class)->set_text) + E_TEXT_MODEL_CLASS(parent_class)->set_text (model, text); + + objectify_uris (E_TEXT_MODEL_URI (model)); +} + +static const gchar * +e_text_model_uri_get_nth_object (ETextModel *model, gint i) +{ + return (const gchar *) g_list_nth_data (E_TEXT_MODEL_URI (model)->uris, i); +} + +static void +e_text_model_uri_activate_nth_object (ETextModel *model, gint i) +{ + const gchar *obj_str; + + obj_str = e_text_model_get_nth_object (model, i); + gnome_url_show (obj_str); +} + +ETextModel * +e_text_model_uri_new (void) +{ + return E_TEXT_MODEL (gtk_type_new (e_text_model_uri_get_type ())); +} + + +/* $Id$ */ |