1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* mail-display.c: Mail display widget
*
* Author:
* Miguel de Icaza
* Bertrand Guiheneuf (bg@aful.org)
*
* (C) 2000 Helix Code, Inc.
*/
#include <config.h>
#include <gnome.h>
#include "e-util/e-util.h"
#include "mail-display.h"
#include "mail-format.h"
#include "mail-ops.h"
#define PARENT_TYPE (gtk_vbox_get_type ())
static GtkObjectClass *mail_display_parent_class;
/*----------------------------------------------------------------------*
* Callbacks
*----------------------------------------------------------------------*/
static void
on_link_clicked (GtkHTML *html, const char *url, gpointer user_data)
{
if (!strncasecmp (url, "news:", 5) ||
!strncasecmp (url, "nntp:", 5))
g_warning ("Can't handle news URLs yet.");
else if (!strncasecmp (url, "mailto:", 7))
send_to_url (url);
else
gnome_url_show (url);
}
static void
on_url_requested (GtkHTML *html, const char *url, GtkHTMLStreamHandle handle,
gpointer user_data)
{
char buf[1024];
int nread;
CamelMimeMessage *message = CAMEL_MIME_MESSAGE (user_data);
if (strncmp (url, "x-gnome-icon:", 13) == 0) {
const char *name = url + 13;
char *path = gnome_pixmap_file (name);
int fd;
g_return_if_fail (path != NULL);
fd = open (path, O_RDONLY);
g_free (path);
g_return_if_fail (fd != -1);
while (1) {
nread = read (fd, buf, sizeof (buf));
if (nread < 1)
break;
gtk_html_write (html, handle, buf, nread);
}
close (fd);
} else if (strncmp (url, "cid:", 4) == 0) {
const char *cid = url + 4;
CamelDataWrapper *data;
CamelStream *output;
data = gtk_object_get_data (GTK_OBJECT (message), cid);
g_return_if_fail (CAMEL_IS_DATA_WRAPPER (data));
output = camel_data_wrapper_get_output_stream (data);
g_return_if_fail (CAMEL_IS_STREAM (output));
camel_stream_reset (output);
do {
nread = camel_stream_read (output, buf, sizeof (buf));
if (nread > 0)
gtk_html_write (html, handle, buf, nread);
} while (!camel_stream_eos (output));
} else
return;
}
/* HTML part code */
static void
html_size_req (GtkWidget *widget, GtkRequisition *requisition)
{
requisition->height = GTK_LAYOUT (widget)->height;
requisition->width = GTK_LAYOUT (widget)->width;
}
void
mail_html_new (GtkHTML **html, GtkHTMLStreamHandle **stream,
CamelMimeMessage *root, gboolean init)
{
*html = GTK_HTML (gtk_html_new ());
gtk_html_set_editable (*html, FALSE);
gtk_signal_connect (GTK_OBJECT (*html), "size_request",
GTK_SIGNAL_FUNC (html_size_req), NULL);
gtk_signal_connect (GTK_OBJECT (*html), "url_requested",
GTK_SIGNAL_FUNC (on_url_requested), root);
gtk_signal_connect (GTK_OBJECT (*html), "link_clicked",
GTK_SIGNAL_FUNC (on_link_clicked), root);
*stream = gtk_html_begin (*html, "");
if (init) {
mail_html_write (*html, *stream, HTML_HEADER
"<BODY TEXT=\"#000000\" "
"BGCOLOR=\"#FFFFFF\">\n");
}
}
void
mail_html_write (GtkHTML *html, GtkHTMLStreamHandle *stream,
const char *format, ...)
{
char *buf;
va_list ap;
va_start (ap, format);
buf = g_strdup_vprintf (format, ap);
va_end (ap);
gtk_html_write (html, stream, buf, strlen (buf));
g_free (buf);
}
void
mail_html_end (GtkHTML *html, GtkHTMLStreamHandle *stream,
gboolean finish, GtkBox *box)
{
GtkWidget *scroll;
scroll = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroll),
GTK_POLICY_NEVER,
GTK_POLICY_NEVER);
gtk_container_add (GTK_CONTAINER (scroll), GTK_WIDGET (html));
if (finish)
mail_html_write (html, stream, "</BODY></HTML>\n");
gtk_html_end (html, stream, GTK_HTML_STREAM_OK);
gtk_box_pack_start (box, scroll, FALSE, TRUE, 0);
gtk_widget_show (GTK_WIDGET (html));
gtk_widget_show (scroll);
}
/**
* mail_display_set_message:
* @mail_display: the mail display object
* @mime_message: the input camel medium
*
* Makes the mail_display object show the contents of the medium
* param. This means feeding mail_display->body_stream and
* mail_display->headers_stream with html.
*
**/
void
mail_display_set_message (MailDisplay *mail_display,
CamelMedium *medium)
{
GtkAdjustment *adj;
/*
* for the moment, camel-formatter deals only with
* mime messages, but in the future, it should be
* able to deal with any medium.
* It can work on pretty much data wrapper, but in
* fact, only the medium class has the distinction
* header / body
*/
if (!CAMEL_IS_MIME_MESSAGE (medium))
return;
/* Clean up from previous message. */
if (mail_display->current_message) {
GtkContainer *container =
GTK_CONTAINER (mail_display->inner_box);
GList *htmls;
htmls = gtk_container_children (container);
while (htmls) {
gtk_container_remove (container, htmls->data);
htmls = htmls->next;
}
gtk_object_unref (GTK_OBJECT (mail_display->current_message));
}
mail_display->current_message = CAMEL_MIME_MESSAGE (medium);
gtk_object_ref (GTK_OBJECT (medium));
mail_format_mime_message (CAMEL_MIME_MESSAGE (medium),
mail_display->inner_box);
adj = gtk_scrolled_window_get_vadjustment (mail_display->scroll);
gtk_adjustment_set_value (adj, 0);
gtk_scrolled_window_set_vadjustment (mail_display->scroll, adj);
adj = gtk_scrolled_window_get_hadjustment (mail_display->scroll);
gtk_adjustment_set_value (adj, 0);
gtk_scrolled_window_set_hadjustment (mail_display->scroll, adj);
}
/*----------------------------------------------------------------------*
* Standard Gtk+ Class functions
*----------------------------------------------------------------------*/
static void
mail_display_init (GtkObject *object)
{
MailDisplay *mail_display = MAIL_DISPLAY (object);
/* various other initializations */
mail_display->current_message = NULL;
}
static void
mail_display_destroy (GtkObject *object)
{
/* MailDisplay *mail_display = MAIL_DISPLAY (object); */
mail_display_parent_class->destroy (object);
}
static void
mail_display_class_init (GtkObjectClass *object_class)
{
object_class->destroy = mail_display_destroy;
mail_display_parent_class = gtk_type_class (PARENT_TYPE);
}
GtkWidget *
mail_display_new (FolderBrowser *parent_folder_browser)
{
MailDisplay *mail_display = gtk_type_new (mail_display_get_type ());
GtkWidget *scroll, *vbox;
g_assert (parent_folder_browser);
mail_display->parent_folder_browser = parent_folder_browser;
gtk_box_set_homogeneous (GTK_BOX (mail_display), FALSE);
gtk_widget_show (GTK_WIDGET (mail_display));
/* For now, the box only contains a single scrolled window,
* which in turn contains a vbox itself.
*/
scroll = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroll),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_ALWAYS);
gtk_box_pack_start_defaults (GTK_BOX (mail_display),
GTK_WIDGET (scroll));
gtk_widget_show (GTK_WIDGET (scroll));
vbox = gtk_vbox_new (FALSE, 2);
gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scroll),
vbox);
gtk_widget_show (GTK_WIDGET (vbox));
mail_display->scroll = GTK_SCROLLED_WINDOW (scroll);
mail_display->inner_box = GTK_BOX (vbox);
return GTK_WIDGET (mail_display);
}
E_MAKE_TYPE (mail_display, "MailDisplay", MailDisplay, mail_display_class_init, mail_display_init, PARENT_TYPE);
|
