2007-04-20 [colin] 2.9.1cvs10
[claws.git] / src / textview.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #endif
23
24 #include "defs.h"
25
26 #include <glib.h>
27 #include <glib/gi18n.h>
28 #include <gdk/gdk.h>
29 #include <gdk/gdkkeysyms.h>
30 #include <gtk/gtkvbox.h>
31 #include <gtk/gtkscrolledwindow.h>
32 #include <gtk/gtksignal.h>
33 #include <stdio.h>
34 #include <ctype.h>
35 #include <string.h>
36 #include <stdlib.h>
37 #include <errno.h>
38 #if HAVE_SYS_WAIT_H
39 #include <sys/wait.h>
40 #endif
41 #if HAVE_LIBCOMPFACE
42 #  include <compface.h>
43 #endif
44
45 #if HAVE_LIBCOMPFACE
46 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
47 #endif
48
49 #include "main.h"
50 #include "summaryview.h"
51 #include "procheader.h"
52 #include "prefs_common.h"
53 #include "codeconv.h"
54 #include "utils.h"
55 #include "gtkutils.h"
56 #include "procmime.h"
57 #include "html.h"
58 #include "enriched.h"
59 #include "compose.h"
60 #include "addressbook.h"
61 #include "displayheader.h"
62 #include "account.h"
63 #include "mimeview.h"
64 #include "alertpanel.h"
65 #include "menu.h"
66 #include "image_viewer.h"
67 #include "filesel.h"
68 #include "base64.h"
69 #include "inputdialog.h"
70 #include "timing.h"
71
72 gint previousquotelevel = -1;
73
74 static GdkColor quote_colors[3] = {
75         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
76         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
77         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
78 };
79
80 static GdkColor quote_bgcolors[3] = {
81         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
82         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
83         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
84 };
85 static GdkColor signature_color = {
86         (gulong)0,
87         (gushort)0x7fff,
88         (gushort)0x7fff,
89         (gushort)0x7fff
90 };
91         
92 static GdkColor uri_color = {
93         (gulong)0,
94         (gushort)0,
95         (gushort)0,
96         (gushort)0
97 };
98
99 static GdkColor emphasis_color = {
100         (gulong)0,
101         (gushort)0,
102         (gushort)0,
103         (gushort)0xcfff
104 };
105
106 static GdkCursor *hand_cursor = NULL;
107 static GdkCursor *text_cursor = NULL;
108 static GdkCursor *watch_cursor= NULL;
109
110 #define TEXTVIEW_STATUSBAR_PUSH(textview, str)                              \
111 {       if (textview->messageview->statusbar)                               \
112         gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \
113                            textview->messageview->statusbar_cid, str);      \
114 }
115
116 #define TEXTVIEW_STATUSBAR_POP(textview)                                   \
117 {       if (textview->messageview->statusbar)                              \
118         gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \
119                           textview->messageview->statusbar_cid);           \
120 }
121
122 static void textview_show_ertf          (TextView       *textview,
123                                          FILE           *fp,
124                                          CodeConverter  *conv);
125 static void textview_add_part           (TextView       *textview,
126                                          MimeInfo       *mimeinfo);
127 static void textview_add_parts          (TextView       *textview,
128                                          MimeInfo       *mimeinfo);
129 static void textview_write_body         (TextView       *textview,
130                                          MimeInfo       *mimeinfo);
131 static void textview_show_html          (TextView       *textview,
132                                          FILE           *fp,
133                                          CodeConverter  *conv);
134
135 static void textview_write_line         (TextView       *textview,
136                                          const gchar    *str,
137                                          CodeConverter  *conv,
138                                          gboolean        do_quote_folding);
139 static void textview_write_link         (TextView       *textview,
140                                          const gchar    *str,
141                                          const gchar    *uri,
142                                          CodeConverter  *conv);
143
144 static GPtrArray *textview_scan_header  (TextView       *textview,
145                                          FILE           *fp);
146 static void textview_show_header        (TextView       *textview,
147                                          GPtrArray      *headers);
148
149 static gint textview_key_pressed                (GtkWidget      *widget,
150                                                  GdkEventKey    *event,
151                                                  TextView       *textview);
152 static gboolean textview_motion_notify          (GtkWidget      *widget,
153                                                  GdkEventMotion *motion,
154                                                  TextView       *textview);
155 static gboolean textview_leave_notify           (GtkWidget        *widget,
156                                                  GdkEventCrossing *event,
157                                                  TextView         *textview);
158 static gboolean textview_visibility_notify      (GtkWidget      *widget,
159                                                  GdkEventVisibility *event,
160                                                  TextView       *textview);
161 static void textview_uri_update                 (TextView       *textview,
162                                                  gint           x,
163                                                  gint           y);
164 static gboolean textview_get_uri_range          (TextView       *textview,
165                                                  GtkTextIter    *iter,
166                                                  GtkTextTag     *tag,
167                                                  GtkTextIter    *start_iter,
168                                                  GtkTextIter    *end_iter);
169 static ClickableText *textview_get_uri_from_range       (TextView       *textview,
170                                                  GtkTextIter    *iter,
171                                                  GtkTextTag     *tag,
172                                                  GtkTextIter    *start_iter,
173                                                  GtkTextIter    *end_iter);
174 static ClickableText *textview_get_uri          (TextView       *textview,
175                                                  GtkTextIter    *iter,
176                                                  GtkTextTag     *tag);
177 static gboolean textview_uri_button_pressed     (GtkTextTag     *tag,
178                                                  GObject        *obj,
179                                                  GdkEvent       *event,
180                                                  GtkTextIter    *iter,
181                                                  TextView       *textview);
182
183 static void textview_uri_list_remove_all        (GSList         *uri_list);
184
185 static void textview_toggle_quote               (TextView       *textview, 
186                                                  GSList         *start_list,
187                                                  ClickableText  *uri,
188                                                  gboolean        expand_only);
189
190 static void open_uri_cb                         (TextView       *textview,
191                                                  guint           action,
192                                                  void           *data);
193 static void copy_uri_cb                         (TextView       *textview,
194                                                  guint           action,
195                                                  void           *data);
196 static void add_uri_to_addrbook_cb              (TextView       *textview, 
197                                                  guint           action, 
198                                                  void           *data);
199 static void mail_to_uri_cb                      (TextView       *textview, 
200                                                  guint           action, 
201                                                  void           *data);
202 static void copy_mail_to_uri_cb                 (TextView       *textview,
203                                                  guint           action,
204                                                  void           *data);
205 static void save_file_cb                        (TextView       *textview,
206                                                  guint           action,
207                                                  void           *data);
208 static void open_image_cb                       (TextView       *textview,
209                                                  guint           action,
210                                                  void           *data);
211
212 static GtkItemFactoryEntry textview_link_popup_entries[] = 
213 {
214         {N_("/_Open with Web browser"), NULL, open_uri_cb, 0, NULL},
215         {N_("/Copy this _link"),        NULL, copy_uri_cb, 0, NULL},
216 };
217
218 static GtkItemFactoryEntry textview_mail_popup_entries[] = 
219 {
220         {N_("/Compose _new message"),   NULL, mail_to_uri_cb, 0, NULL},
221         {N_("/Add to _address book"),   NULL, add_uri_to_addrbook_cb, 0, NULL},
222         {N_("/Copy this add_ress"),     NULL, copy_mail_to_uri_cb, 0, NULL},
223 };
224
225 static GtkItemFactoryEntry textview_file_popup_entries[] = 
226 {
227         {N_("/_Open image"),            NULL, open_image_cb, 0, NULL},
228         {N_("/_Save image..."),         NULL, save_file_cb, 0, NULL},
229 };
230
231 static void scrolled_cb (GtkAdjustment *adj, TextView *textview)
232 {
233 #ifndef WIDTH
234 #  define WIDTH 48
235 #  define HEIGHT 48
236 #endif
237         if (textview->image) {
238                 gint x, y, x1;
239                 x1 = textview->text->allocation.width - WIDTH - 5;
240                 gtk_text_view_buffer_to_window_coords(
241                         GTK_TEXT_VIEW(textview->text),
242                         GTK_TEXT_WINDOW_TEXT, x1, 5, &x, &y);
243                 gtk_text_view_move_child(GTK_TEXT_VIEW(textview->text), 
244                         textview->image, x1, y);
245         }
246 }
247
248 static void textview_size_allocate_cb   (GtkWidget      *widget,
249                                          GtkAllocation  *allocation,
250                                          gpointer        data)
251 {
252         scrolled_cb(NULL, (TextView *)data);
253 }
254
255 TextView *textview_create(void)
256 {
257         TextView *textview;
258         GtkWidget *vbox;
259         GtkWidget *scrolledwin;
260         GtkWidget *text;
261         GtkTextBuffer *buffer;
262         GtkClipboard *clipboard;
263         GtkItemFactory *link_popupfactory, *mail_popupfactory, *file_popupfactory;
264         GtkWidget *link_popupmenu, *mail_popupmenu, *file_popupmenu;
265         GtkAdjustment *adj;
266         gint n_entries;
267
268         debug_print("Creating text view...\n");
269         textview = g_new0(TextView, 1);
270
271         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
272         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
273                                        GTK_POLICY_AUTOMATIC,
274                                        GTK_POLICY_AUTOMATIC);
275         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
276                                             GTK_SHADOW_IN);
277         gtk_widget_set_size_request
278                 (scrolledwin, prefs_common.mainview_width, -1);
279
280         /* create GtkSText widgets for single-byte and multi-byte character */
281         text = gtk_text_view_new();
282         gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK);
283         gtk_widget_show(text);
284         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
285         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD_CHAR);
286         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(text), FALSE);
287         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
288         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
289
290         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
291         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
292         gtk_text_buffer_add_selection_clipboard(buffer, clipboard);
293
294         gtk_widget_ensure_style(text);
295
296         gtk_widget_ref(scrolledwin);
297
298         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
299
300         g_signal_connect(G_OBJECT(text), "key-press-event",
301                          G_CALLBACK(textview_key_pressed), textview);
302         g_signal_connect(G_OBJECT(text), "motion-notify-event",
303                          G_CALLBACK(textview_motion_notify), textview);
304         g_signal_connect(G_OBJECT(text), "leave-notify-event",
305                          G_CALLBACK(textview_leave_notify), textview);
306         g_signal_connect(G_OBJECT(text), "visibility-notify-event",
307                          G_CALLBACK(textview_visibility_notify), textview);
308         adj = gtk_scrolled_window_get_vadjustment(
309                 GTK_SCROLLED_WINDOW(scrolledwin));
310         g_signal_connect(G_OBJECT(adj), "value-changed",
311                          G_CALLBACK(scrolled_cb), textview);
312         g_signal_connect(G_OBJECT(text), "size_allocate",
313                          G_CALLBACK(textview_size_allocate_cb),
314                          textview);
315
316
317         gtk_widget_show(scrolledwin);
318
319         vbox = gtk_vbox_new(FALSE, 0);
320         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
321
322         gtk_widget_show(vbox);
323
324         n_entries = sizeof(textview_link_popup_entries) /
325                 sizeof(textview_link_popup_entries[0]);
326         link_popupmenu = menu_create_items(textview_link_popup_entries, n_entries,
327                                       "<UriPopupMenu>", &link_popupfactory,
328                                       textview);
329
330         n_entries = sizeof(textview_mail_popup_entries) /
331                 sizeof(textview_mail_popup_entries[0]);
332         mail_popupmenu = menu_create_items(textview_mail_popup_entries, n_entries,
333                                       "<UriPopupMenu>", &mail_popupfactory,
334                                       textview);
335
336         n_entries = sizeof(textview_file_popup_entries) /
337                 sizeof(textview_file_popup_entries[0]);
338         file_popupmenu = menu_create_items(textview_file_popup_entries, n_entries,
339                                       "<FilePopupMenu>", &file_popupfactory,
340                                       textview);
341
342         textview->vbox               = vbox;
343         textview->scrolledwin        = scrolledwin;
344         textview->text               = text;
345         textview->uri_list           = NULL;
346         textview->body_pos           = 0;
347         textview->show_all_headers   = FALSE;
348         textview->last_buttonpress   = GDK_NOTHING;
349         textview->link_popup_menu    = link_popupmenu;
350         textview->link_popup_factory = link_popupfactory;
351         textview->mail_popup_menu    = mail_popupmenu;
352         textview->mail_popup_factory = mail_popupfactory;
353         textview->file_popup_menu    = file_popupmenu;
354         textview->file_popup_factory = file_popupfactory;
355         textview->image              = NULL;
356         return textview;
357 }
358
359 static void textview_create_tags(GtkTextView *text, TextView *textview)
360 {
361         GtkTextBuffer *buffer;
362         GtkTextTag *tag, *qtag;
363         static PangoFontDescription *font_desc, *bold_font_desc;
364         
365         if (!font_desc)
366                 font_desc = pango_font_description_from_string
367                         (NORMAL_FONT);
368
369         if (!bold_font_desc) {
370                 bold_font_desc = pango_font_description_from_string
371                         (NORMAL_FONT);
372                 pango_font_description_set_weight
373                         (bold_font_desc, PANGO_WEIGHT_BOLD);
374         }
375
376         buffer = gtk_text_view_get_buffer(text);
377
378         gtk_text_buffer_create_tag(buffer, "header",
379                                    "pixels-above-lines", 0,
380                                    "pixels-above-lines-set", TRUE,
381                                    "pixels-below-lines", 0,
382                                    "pixels-below-lines-set", TRUE,
383                                    "font-desc", font_desc,
384                                    "left-margin", 3,
385                                    "left-margin-set", TRUE,
386                                    NULL);
387         gtk_text_buffer_create_tag(buffer, "header_title",
388                                    "font-desc", bold_font_desc,
389                                    NULL);
390         tag = gtk_text_buffer_create_tag(buffer, "hlink",
391                                    "pixels-above-lines", 0,
392                                    "pixels-above-lines-set", TRUE,
393                                    "pixels-below-lines", 0,
394                                    "pixels-below-lines-set", TRUE,
395                                    "font-desc", font_desc,
396                                    "left-margin", 3,
397                                    "left-margin-set", TRUE,
398                                    "foreground-gdk", &uri_color,
399                                    NULL);
400         g_signal_connect(G_OBJECT(tag), "event",
401                          G_CALLBACK(textview_uri_button_pressed), textview);
402         if (prefs_common.enable_bgcolor) {
403                 gtk_text_buffer_create_tag(buffer, "quote0",
404                                 "foreground-gdk", &quote_colors[0],
405                                 "paragraph-background-gdk", &quote_bgcolors[0],
406                                 NULL);
407                 gtk_text_buffer_create_tag(buffer, "quote1",
408                                 "foreground-gdk", &quote_colors[1],
409                                 "paragraph-background-gdk", &quote_bgcolors[1],
410                                 NULL);
411                 gtk_text_buffer_create_tag(buffer, "quote2",
412                                 "foreground-gdk", &quote_colors[2],
413                                 "paragraph-background-gdk", &quote_bgcolors[2],
414                                 NULL);
415         } else {
416                 gtk_text_buffer_create_tag(buffer, "quote0",
417                                 "foreground-gdk", &quote_colors[0],
418                                 NULL);
419                 gtk_text_buffer_create_tag(buffer, "quote1",
420                                 "foreground-gdk", &quote_colors[1],
421                                 NULL);
422                 gtk_text_buffer_create_tag(buffer, "quote2",
423                                 "foreground-gdk", &quote_colors[2],
424                                 NULL);
425         }
426         gtk_text_buffer_create_tag(buffer, "emphasis",
427                         "foreground-gdk", &emphasis_color,
428                         NULL);
429         gtk_text_buffer_create_tag(buffer, "signature",
430                         "foreground-gdk", &signature_color,
431                         NULL);
432         tag = gtk_text_buffer_create_tag(buffer, "link",
433                         "foreground-gdk", &uri_color,
434                         NULL);
435         qtag = gtk_text_buffer_create_tag(buffer, "qlink",
436                         NULL);
437         gtk_text_buffer_create_tag(buffer, "link-hover",
438                         "underline", PANGO_UNDERLINE_SINGLE,
439                         NULL);
440         g_signal_connect(G_OBJECT(qtag), "event",
441                          G_CALLBACK(textview_uri_button_pressed), textview);
442         g_signal_connect(G_OBJECT(tag), "event",
443                          G_CALLBACK(textview_uri_button_pressed), textview);
444  }
445
446 void textview_init(TextView *textview)
447 {
448         if (!hand_cursor)
449                 hand_cursor = gdk_cursor_new(GDK_HAND2);
450         if (!text_cursor)
451                 text_cursor = gdk_cursor_new(GDK_XTERM);
452         if (!watch_cursor)
453                 watch_cursor = gdk_cursor_new(GDK_WATCH);
454
455         textview_reflect_prefs(textview);
456         textview_set_all_headers(textview, FALSE);
457         textview_set_font(textview, NULL);
458         textview_create_tags(GTK_TEXT_VIEW(textview->text), textview);
459 }
460
461 #if GTK_CHECK_VERSION(2, 8, 0)
462  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
463         tag = gtk_text_tag_table_lookup(tags, tagname); \
464         if (tag) \
465                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, "paragraph-background-gdk", colorbg, NULL); \
466  }
467 #else
468  #define CHANGE_TAG_COLOR(tagname, colorfg, colorbg) { \
469         tag = gtk_text_tag_table_lookup(tags, tagname); \
470         if (tag) \
471                 g_object_set(G_OBJECT(tag), "foreground-gdk", colorfg, NULL); \
472  }
473 #endif
474
475 static void textview_update_message_colors(TextView *textview)
476 {
477         GdkColor black = {0, 0, 0, 0};
478         GdkColor colored_emphasis = {0, 0, 0, 0xcfff};
479         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
480
481         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
482         GtkTextTag *tag = NULL;
483
484         quote_bgcolors[0] = quote_bgcolors[1] = quote_bgcolors[2] = black;
485         quote_colors[0] = quote_colors[1] = quote_colors[2] = 
486                 uri_color = emphasis_color = signature_color = black;
487
488         if (prefs_common.enable_color) {
489                 /* grab the quote colors, converting from an int to a GdkColor */
490                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
491                                                &quote_colors[0]);
492                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
493                                                &quote_colors[1]);
494                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
495                                                &quote_colors[2]);
496                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
497                                                &uri_color);
498                 gtkut_convert_int_to_gdk_color(prefs_common.signature_col,
499                                                &signature_color);
500                 emphasis_color = colored_emphasis;
501         }
502         if (prefs_common.enable_color && prefs_common.enable_bgcolor) {
503                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_bgcol,
504                                                    &quote_bgcolors[0]);
505                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_bgcol,
506                                                    &quote_bgcolors[1]);
507                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_bgcol,
508                                                    &quote_bgcolors[2]);
509                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], &quote_bgcolors[0]);
510                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], &quote_bgcolors[1]);
511                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], &quote_bgcolors[2]);
512         } else {
513                 CHANGE_TAG_COLOR("quote0", &quote_colors[0], NULL);
514                 CHANGE_TAG_COLOR("quote1", &quote_colors[1], NULL);
515                 CHANGE_TAG_COLOR("quote2", &quote_colors[2], NULL);
516         }
517
518         CHANGE_TAG_COLOR("emphasis", &emphasis_color, NULL);
519         CHANGE_TAG_COLOR("signature", &signature_color, NULL);
520         CHANGE_TAG_COLOR("link", &uri_color, NULL);
521         CHANGE_TAG_COLOR("link-hover", &uri_color, NULL);
522 }
523 #undef CHANGE_TAG_COLOR
524
525 void textview_reflect_prefs(TextView *textview)
526 {
527         textview_set_font(textview, NULL);
528         textview_update_message_colors(textview);
529         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text),
530                                          prefs_common.textview_cursor_visible);
531 }
532
533 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
534                            const gchar *file)
535 {
536         textview->loading = TRUE;
537         textview->stop_loading = FALSE;
538
539         textview_clear(textview);
540
541         textview_add_parts(textview, mimeinfo);
542
543         textview_set_position(textview, 0);
544
545         textview->loading = FALSE;
546         textview->stop_loading = FALSE;
547 }
548
549 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
550 {
551         START_TIMING("");
552         g_return_if_fail(mimeinfo != NULL);
553         g_return_if_fail(fp != NULL);
554
555         if ((mimeinfo->type == MIMETYPE_MULTIPART) ||
556             ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822"))) {
557                 textview->loading = TRUE;
558                 textview->stop_loading = FALSE;
559                 
560                 textview_clear(textview);
561                 textview_add_parts(textview, mimeinfo);
562
563                 textview->loading = FALSE;
564                 textview->stop_loading = FALSE;
565                 END_TIMING();
566                 return;
567         }
568         textview->loading = TRUE;
569         textview->stop_loading = FALSE;
570
571         if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0)
572                 perror("fseek");
573
574         textview_clear(textview);
575
576         if (mimeinfo->type == MIMETYPE_MULTIPART)
577                 textview_add_parts(textview, mimeinfo);
578         else
579                 textview_write_body(textview, mimeinfo);
580
581         textview->loading = FALSE;
582         textview->stop_loading = FALSE;
583         END_TIMING();
584 }
585
586 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo)
587 {
588         GtkTextView *text;
589         GtkTextBuffer *buffer;
590         GtkTextIter iter, start_iter;
591         gchar buf[BUFFSIZE];
592         GPtrArray *headers = NULL;
593         const gchar *name;
594         gchar *content_type;
595         gint charcount;
596         START_TIMING("");
597
598         g_return_if_fail(mimeinfo != NULL);
599         text = GTK_TEXT_VIEW(textview->text);
600         buffer = gtk_text_view_get_buffer(text);
601         charcount = gtk_text_buffer_get_char_count(buffer);
602         gtk_text_buffer_get_end_iter(buffer, &iter);
603         
604         if (textview->stop_loading) {
605                 return;
606         }
607         if (mimeinfo->type == MIMETYPE_MULTIPART) {
608                 END_TIMING();
609                 return;
610         }
611
612         previousquotelevel = -1;
613
614         if ((mimeinfo->type == MIMETYPE_MESSAGE) && !g_ascii_strcasecmp(mimeinfo->subtype, "rfc822")) {
615                 FILE *fp;
616
617                 fp = g_fopen(mimeinfo->data.filename, "rb");
618                 fseek(fp, mimeinfo->offset, SEEK_SET);
619                 headers = textview_scan_header(textview, fp);
620                 if (headers) {
621                         if (charcount > 0)
622                                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
623                         textview_show_header(textview, headers);
624                         procheader_header_array_destroy(headers);
625                 }
626                 fclose(fp);
627                 END_TIMING();
628                 return;
629         }
630
631         name = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
632         content_type = procmime_get_content_type_str(mimeinfo->type,
633                                                      mimeinfo->subtype);
634         if (name == NULL)
635                 name = procmime_mimeinfo_get_parameter(mimeinfo, "name");
636         if (name != NULL)
637                 g_snprintf(buf, sizeof(buf), _("[%s  %s (%d bytes)]"),
638                            name, content_type, mimeinfo->length);
639         else
640                 g_snprintf(buf, sizeof(buf), _("[%s (%d bytes)]"),
641                            content_type, mimeinfo->length);
642
643         g_free(content_type);                      
644
645         if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT
646         || (mimeinfo->disposition == DISPOSITIONTYPE_INLINE && 
647             mimeinfo->type != MIMETYPE_TEXT)) {
648                 gtk_text_buffer_insert(buffer, &iter, "\n", 1);
649                 TEXTVIEW_INSERT_LINK(buf, "sc://select_attachment", mimeinfo);
650                 gtk_text_buffer_insert(buffer, &iter, " \n", -1);
651                 if (mimeinfo->type == MIMETYPE_IMAGE  &&
652                     prefs_common.inline_img ) {
653                         GdkPixbuf *pixbuf;
654                         GError *error = NULL;
655                         gchar *filename;
656                         ClickableText *uri;
657                         gchar *uri_str;
658                         gint err;
659                         START_TIMING("inserting image");
660
661                         filename = procmime_get_tmp_file_name(mimeinfo);
662
663                         if ((err = procmime_get_part(filename, mimeinfo)) < 0) {
664                                 g_warning("Can't get the image file.(%s)", strerror(-err));
665                                 g_free(filename);
666                                 END_TIMING();
667                                 return;
668                         }
669
670                         if (!prefs_common.resize_img) {
671                                 pixbuf = gdk_pixbuf_new_from_file(filename, &error);
672                         } else {
673                                 gint w, h;
674                                 gdk_pixbuf_get_file_info(filename, &w, &h);
675                                 if (textview->scrolledwin->allocation.width - 100 > 0 &&
676                                     w > textview->scrolledwin->allocation.width - 100)
677                                         pixbuf = gdk_pixbuf_new_from_file_at_scale(filename, 
678                                                 textview->scrolledwin->allocation.width - 100, 
679                                                 -1, TRUE, &error);
680                                 else
681                                         pixbuf = gdk_pixbuf_new_from_file(filename, &error);
682                         }
683                         if (error != NULL) {
684                                 g_warning("%s\n", error->message);
685                                 g_error_free(error);
686                         }
687                         if (!pixbuf) {
688                                 g_warning("Can't load the image.");
689                                 g_free(filename);
690                                 END_TIMING();
691                                 return;
692                         }
693
694                         uri_str = g_filename_to_uri(filename, NULL, NULL);
695                         if (uri_str) {
696                                 uri = g_new0(ClickableText, 1);
697                                 uri->uri = uri_str;
698                                 uri->start = gtk_text_iter_get_offset(&iter);
699                                 
700                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
701                                 
702                                 uri->end = uri->start + 1;
703                                 uri->filename = procmime_get_part_file_name(mimeinfo);
704                                 textview->uri_list =
705                                         g_slist_prepend(textview->uri_list, uri);
706                                 
707                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
708                                 gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start);    
709                                 gtk_text_buffer_apply_tag_by_name(buffer, "link", 
710                                                 &start_iter, &iter);
711                         } else {
712                                 gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf);
713                                 gtk_text_buffer_insert(buffer, &iter, " ", 1);
714                         }
715
716                         g_object_unref(pixbuf);
717                         g_free(filename);
718                         END_TIMING();
719                         GTK_EVENTS_FLUSH();
720                 }
721         } else if (mimeinfo->type == MIMETYPE_TEXT) {
722                 if (prefs_common.display_header && (charcount > 0))
723                         gtk_text_buffer_insert(buffer, &iter, "\n", 1);
724
725                 textview_write_body(textview, mimeinfo);
726         }
727         END_TIMING();
728 }
729
730 static void recursive_add_parts(TextView *textview, GNode *node)
731 {
732         GNode * iter;
733         MimeInfo *mimeinfo;
734         START_TIMING("");
735
736         mimeinfo = (MimeInfo *) node->data;
737         
738         textview_add_part(textview, mimeinfo);
739         
740         if ((mimeinfo->type != MIMETYPE_MULTIPART) &&
741             (mimeinfo->type != MIMETYPE_MESSAGE)) {
742                 END_TIMING();
743                 return;
744         }
745         if (g_ascii_strcasecmp(mimeinfo->subtype, "alternative") == 0) {
746                 GNode * prefered_body;
747                 int prefered_score;
748                 
749                 /*
750                   text/plain : score 3
751                   text/ *    : score 2
752                   other      : score 1
753                 */
754                 prefered_body = NULL;
755                 prefered_score = 0;
756                 
757                 for (iter = g_node_first_child(node) ; iter != NULL ;
758                      iter = g_node_next_sibling(iter)) {
759                         int score;
760                         MimeInfo * submime;
761                         
762                         score = 1;
763                         submime = (MimeInfo *) iter->data;
764                         if (submime->type == MIMETYPE_TEXT)
765                                 score = 2;
766                         
767                         if (submime->subtype != NULL) {
768                                 if (g_ascii_strcasecmp(submime->subtype, "plain") == 0)
769                                         score = 3;
770                         }
771                         
772                         if (score > prefered_score) {
773                                 prefered_score = score;
774                                 prefered_body = iter;
775                         }
776                 }
777                 
778                 if (prefered_body != NULL) {
779                         recursive_add_parts(textview, prefered_body);
780                 }
781         }
782         else {
783                 for (iter = g_node_first_child(node) ; iter != NULL ;
784                      iter = g_node_next_sibling(iter)) {
785                         recursive_add_parts(textview, iter);
786                 }
787         }
788         END_TIMING();
789 }
790
791 static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo)
792 {
793         g_return_if_fail(mimeinfo != NULL);
794         
795         recursive_add_parts(textview, mimeinfo->node);
796 }
797
798 void textview_show_error(TextView *textview)
799 {
800         GtkTextView *text;
801         GtkTextBuffer *buffer;
802         GtkTextIter iter;
803
804         textview_set_font(textview, NULL);
805         textview_clear(textview);
806
807         text = GTK_TEXT_VIEW(textview->text);
808         buffer = gtk_text_view_get_buffer(text);
809         gtk_text_buffer_get_start_iter(buffer, &iter);
810
811         TEXTVIEW_INSERT(_("\n"
812                       "  This message can't be displayed.\n"
813                       "  This is probably due to a network error.\n"
814                       "\n"
815                       "  Use "));
816         TEXTVIEW_INSERT_LINK(_("'View Log'"), "sc://view_log", NULL);
817         TEXTVIEW_INSERT(_(" in the Tools menu for more information."));
818         textview_show_icon(textview, GTK_STOCK_DIALOG_ERROR);
819
820 }
821
822 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
823 {
824         GtkTextView *text;
825         GtkTextBuffer *buffer;
826         GtkTextIter iter;
827
828         if (!partinfo) return;
829
830         textview_set_font(textview, NULL);
831         textview_clear(textview);
832
833         text = GTK_TEXT_VIEW(textview->text);
834         buffer = gtk_text_view_get_buffer(text);
835         gtk_text_buffer_get_start_iter(buffer, &iter);
836
837         TEXTVIEW_INSERT("\n");
838         TEXTVIEW_INSERT(_("  The following can be performed on this part by\n"));
839         TEXTVIEW_INSERT(_("  right-clicking the icon or list item:\n"));
840
841         TEXTVIEW_INSERT(_("     - To save, select "));
842         TEXTVIEW_INSERT_LINK(_("'Save as...'"), "sc://save_as", NULL);
843         TEXTVIEW_INSERT(_(" (Shortcut key: 'y')\n"));
844         TEXTVIEW_INSERT(_("     - To display as text, select "));
845         TEXTVIEW_INSERT_LINK(_("'Display as text'"), "sc://display_as_text", NULL);
846         TEXTVIEW_INSERT(_(" (Shortcut key: 't')\n"));
847         TEXTVIEW_INSERT(_("     - To open with an external program, select "));
848         TEXTVIEW_INSERT_LINK(_("'Open'"), "sc://open", NULL);
849         TEXTVIEW_INSERT(_(" (Shortcut key: 'l')\n"));
850         TEXTVIEW_INSERT(_("       (alternately double-click, or click the middle "));
851         TEXTVIEW_INSERT(_("mouse button)\n"));
852         TEXTVIEW_INSERT(_("     - Or use "));
853         TEXTVIEW_INSERT_LINK(_("'Open with...'"), "sc://open_with", NULL);
854         TEXTVIEW_INSERT(_(" (Shortcut key: 'o')\n"));
855         textview_show_icon(textview, GTK_STOCK_DIALOG_INFO);
856 }
857
858 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo)
859 {
860         FILE *tmpfp;
861         gchar buf[BUFFSIZE];
862         CodeConverter *conv;
863         const gchar *charset, *p, *cmd;
864         GSList *cur;
865         int lines = 0;
866         
867         if (textview->messageview->forced_charset)
868                 charset = textview->messageview->forced_charset;
869         else
870                 charset = procmime_mimeinfo_get_parameter(mimeinfo, "charset");
871
872         textview_set_font(textview, charset);
873
874         conv = conv_code_converter_new(charset);
875
876         procmime_force_encoding(textview->messageview->forced_encoding);
877         
878         textview->is_in_signature = FALSE;
879
880         procmime_decode_content(mimeinfo);
881
882         if (!g_ascii_strcasecmp(mimeinfo->subtype, "html") &&
883             prefs_common.render_html) {
884                 gchar *filename;
885                 
886                 filename = procmime_get_tmp_file_name(mimeinfo);
887                 if (procmime_get_part(filename, mimeinfo) == 0) {
888                         tmpfp = g_fopen(filename, "rb");
889                         textview_show_html(textview, tmpfp, conv);
890                         fclose(tmpfp);
891                         g_unlink(filename);
892                 }
893                 g_free(filename);
894         } else if (!g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
895                 gchar *filename;
896                 
897                 filename = procmime_get_tmp_file_name(mimeinfo);
898                 if (procmime_get_part(filename, mimeinfo) == 0) {
899                         tmpfp = g_fopen(filename, "rb");
900                         textview_show_ertf(textview, tmpfp, conv);
901                         fclose(tmpfp);
902                         g_unlink(filename);
903                 }
904                 g_free(filename);
905 #ifndef G_OS_WIN32
906         } else if ( g_ascii_strcasecmp(mimeinfo->subtype, "plain") &&
907                    (cmd = prefs_common.mime_textviewer) && *cmd &&
908                    (p = strchr(cmd, '%')) && *(p + 1) == 's') {
909                 int pid, pfd[2];
910                 const gchar *fname;
911
912                 fname  = procmime_get_tmp_file_name(mimeinfo);
913                 if (procmime_get_part(fname, mimeinfo)) goto textview_default;
914
915                 g_snprintf(buf, sizeof(buf), cmd, fname);
916                 debug_print("Viewing text content of type: %s (length: %d) "
917                         "using %s\n", mimeinfo->subtype, mimeinfo->length, buf);
918
919                 if (pipe(pfd) < 0) {
920                         g_snprintf(buf, sizeof(buf),
921                                 "pipe failed for textview\n\n%s\n", strerror(errno));
922                         textview_write_line(textview, buf, conv, TRUE);
923                         goto textview_default;
924                 }
925                 pid = fork();
926                 if (pid < 0) {
927                         g_snprintf(buf, sizeof(buf),
928                                 "fork failed for textview\n\n%s\n", strerror(errno));
929                         textview_write_line(textview, buf, conv, TRUE);
930                         close(pfd[0]);
931                         close(pfd[1]);
932                         goto textview_default;
933                 }
934                 if (pid == 0) { /* child */
935                         int rc;
936                         gchar **argv;
937                         argv = strsplit_with_quote(buf, " ", 0);
938                         close(1);
939                         close(pfd[0]);
940                         dup(pfd[1]);
941                         rc = execvp(argv[0], argv);
942                         close(pfd[1]);
943                         printf (_("The command to view attachment "
944                                 "as text failed:\n"
945                                 "    %s\n"
946                                 "Exit code %d\n"), buf, rc);
947                         exit(255);
948                 }
949                 close(pfd[1]);
950                 tmpfp = fdopen(pfd[0], "rb");
951                 while (fgets(buf, sizeof(buf), tmpfp)) {
952                         textview_write_line(textview, buf, conv, TRUE);
953                         
954                         lines++;
955                         if (lines % 500 == 0)
956                                 GTK_EVENTS_FLUSH();
957                         if (textview->stop_loading) {
958                                 fclose(tmpfp);
959                                 waitpid(pid, pfd, 0);
960                                 unlink(fname);
961                                 return;
962                         }
963                 }
964
965                 fclose(tmpfp);
966                 waitpid(pid, pfd, 0);
967                 unlink(fname);
968 #endif
969         } else {
970 textview_default:
971                 lines = 0;
972                 tmpfp = g_fopen(mimeinfo->data.filename, "rb");
973                 fseek(tmpfp, mimeinfo->offset, SEEK_SET);
974                 debug_print("Viewing text content of type: %s (length: %d)\n", mimeinfo->subtype, mimeinfo->length);
975                 while ((ftell(tmpfp) < mimeinfo->offset + mimeinfo->length) &&
976                        (fgets(buf, sizeof(buf), tmpfp) != NULL)) {
977                         textview_write_line(textview, buf, conv, TRUE);
978                         lines++;
979                         if (lines % 500 == 0)
980                                 GTK_EVENTS_FLUSH();
981                         if (textview->stop_loading) {
982                                 fclose(tmpfp);
983                                 return;
984                         }
985                 }
986                 fclose(tmpfp);
987         }
988
989         conv_code_converter_destroy(conv);
990         procmime_force_encoding(0);
991
992         lines = 0;
993         textview->uri_list = g_slist_reverse(textview->uri_list);
994         for (cur = textview->uri_list; cur; cur = cur->next) {
995                 ClickableText *uri = (ClickableText *)cur->data;
996                 if (!uri->is_quote)
997                         continue;
998                 if (!prefs_common.hide_quotes ||
999                     uri->quote_level+1 < prefs_common.hide_quotes) {
1000                         textview_toggle_quote(textview, cur, uri, TRUE);
1001                         lines++;
1002                         if (lines % 500 == 0)
1003                                 GTK_EVENTS_FLUSH();
1004                         if (textview->stop_loading) {
1005                                 return;
1006                         }
1007                 }
1008         }
1009 }
1010
1011 static void textview_show_html(TextView *textview, FILE *fp,
1012                                CodeConverter *conv)
1013 {
1014         SC_HTMLParser *parser;
1015         gchar *str;
1016         gint lines = 0;
1017
1018         parser = sc_html_parser_new(fp, conv);
1019         g_return_if_fail(parser != NULL);
1020
1021         while ((str = sc_html_parse(parser)) != NULL) {
1022                 if (parser->state == SC_HTML_HREF) {
1023                         /* first time : get and copy the URL */
1024                         if (parser->href == NULL) {
1025                                 /* ALF - the claws html parser returns an empty string,
1026                                  * if still inside an <a>, but already parsed past HREF */
1027                                 str = strtok(str, " ");
1028                                 if (str) {
1029                                         while (str && *str && g_ascii_isspace(*str))
1030                                                 str++; 
1031                                         parser->href = g_strdup(str);
1032                                         /* the URL may (or not) be followed by the
1033                                          * referenced text */
1034                                         str = strtok(NULL, "");
1035                                 }       
1036                         }
1037                         if (str != NULL)
1038                                 textview_write_link(textview, str, parser->href, NULL);
1039                 } else
1040                         textview_write_line(textview, str, NULL, FALSE);
1041                 lines++;
1042                 if (lines % 500 == 0)
1043                         GTK_EVENTS_FLUSH();
1044                 if (textview->stop_loading) {
1045                         return;
1046                 }
1047         }
1048         textview_write_line(textview, "\n", NULL, FALSE);
1049         sc_html_parser_destroy(parser);
1050 }
1051
1052 static void textview_show_ertf(TextView *textview, FILE *fp,
1053                                CodeConverter *conv)
1054 {
1055         ERTFParser *parser;
1056         gchar *str;
1057         gint lines = 0;
1058
1059         parser = ertf_parser_new(fp, conv);
1060         g_return_if_fail(parser != NULL);
1061
1062         while ((str = ertf_parse(parser)) != NULL) {
1063                 textview_write_line(textview, str, NULL, FALSE);
1064                 lines++;
1065                 if (lines % 500 == 0)
1066                         GTK_EVENTS_FLUSH();
1067                 if (textview->stop_loading) {
1068                         return;
1069                 }
1070         }
1071         
1072         ertf_parser_destroy(parser);
1073 }
1074
1075 #define ADD_TXT_POS(bp_, ep_, pti_) \
1076         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1077                 last = last->next; \
1078                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1079                 last->next = NULL; \
1080         } else { \
1081                 g_warning("alloc error scanning URIs\n"); \
1082                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, \
1083                                                          linebuf, -1, \
1084                                                          fg_tag, NULL); \
1085                 return; \
1086         }
1087
1088 #define ADD_TXT_POS_LATER(bp_, ep_, pti_) \
1089         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
1090                 last = last->next; \
1091                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
1092                 last->next = NULL; \
1093         } else { \
1094                 g_warning("alloc error scanning URIs\n"); \
1095         }
1096
1097 /* textview_make_clickable_parts() - colorizes clickable parts */
1098 static void textview_make_clickable_parts(TextView *textview,
1099                                           const gchar *fg_tag,
1100                                           const gchar *uri_tag,
1101                                           const gchar *linebuf,
1102                                           gboolean hdr)
1103 {
1104         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1105         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1106         GtkTextIter iter;
1107         gchar *mybuf = g_strdup(linebuf);
1108         
1109         /* parse table - in order of priority */
1110         struct table {
1111                 const gchar *needle; /* token */
1112
1113                 /* token search function */
1114                 gchar    *(*search)     (const gchar *haystack,
1115                                          const gchar *needle);
1116                 /* part parsing function */
1117                 gboolean  (*parse)      (const gchar *start,
1118                                          const gchar *scanpos,
1119                                          const gchar **bp_,
1120                                          const gchar **ep_,
1121                                          gboolean hdr);
1122                 /* part to URI function */
1123                 gchar    *(*build_uri)  (const gchar *bp,
1124                                          const gchar *ep);
1125         };
1126
1127         static struct table parser[] = {
1128                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1129                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1130                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1131                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1132                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1133                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1134                 {"@",        strcasestr, get_email_part, make_email_string}
1135         };
1136         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1137
1138         gint  n;
1139         const gchar *walk, *bp, *ep;
1140
1141         struct txtpos {
1142                 const gchar     *bp, *ep;       /* text position */
1143                 gint             pti;           /* index in parse table */
1144                 struct txtpos   *next;          /* next */
1145         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1146
1147         if (!g_utf8_validate(linebuf, -1, NULL)) {
1148                 g_free(mybuf);
1149                 mybuf = g_malloc(strlen(linebuf)*2 +1);
1150                 conv_localetodisp(mybuf, strlen(linebuf)*2 +1, linebuf);
1151         }
1152
1153         gtk_text_buffer_get_end_iter(buffer, &iter);
1154
1155         /* parse for clickable parts, and build a list of begin and end positions  */
1156         for (walk = mybuf, n = 0;;) {
1157                 gint last_index = PARSE_ELEMS;
1158                 gchar *scanpos = NULL;
1159
1160                 /* FIXME: this looks phony. scanning for anything in the parse table */
1161                 for (n = 0; n < PARSE_ELEMS; n++) {
1162                         gchar *tmp;
1163
1164                         tmp = parser[n].search(walk, parser[n].needle);
1165                         if (tmp) {
1166                                 if (scanpos == NULL || tmp < scanpos) {
1167                                         scanpos = tmp;
1168                                         last_index = n;
1169                                 }
1170                         }                                       
1171                 }
1172
1173                 if (scanpos) {
1174                         /* check if URI can be parsed */
1175                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, hdr)
1176                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1177                                         ADD_TXT_POS(bp, ep, last_index);
1178                                         walk = ep;
1179                         } else
1180                                 walk = scanpos +
1181                                         strlen(parser[last_index].needle);
1182                 } else
1183                         break;
1184         }
1185
1186         /* colorize this line */
1187         if (head.next) {
1188                 const gchar *normal_text = mybuf;
1189
1190                 /* insert URIs */
1191                 for (last = head.next; last != NULL;
1192                      normal_text = last->ep, last = last->next) {
1193                         ClickableText *uri;
1194                         uri = g_new0(ClickableText, 1);
1195                         if (last->bp - normal_text > 0)
1196                                 gtk_text_buffer_insert_with_tags_by_name
1197                                         (buffer, &iter,
1198                                          normal_text,
1199                                          last->bp - normal_text,
1200                                          fg_tag, NULL);
1201                         uri->uri = parser[last->pti].build_uri(last->bp,
1202                                                                last->ep);
1203                         uri->start = gtk_text_iter_get_offset(&iter);
1204                         gtk_text_buffer_insert_with_tags_by_name
1205                                 (buffer, &iter, last->bp, last->ep - last->bp,
1206                                  uri_tag, fg_tag, NULL);
1207                         uri->end = gtk_text_iter_get_offset(&iter);
1208                         uri->filename = NULL;
1209                         textview->uri_list =
1210                                 g_slist_prepend(textview->uri_list, uri);
1211                 }
1212
1213                 if (*normal_text)
1214                         gtk_text_buffer_insert_with_tags_by_name
1215                                 (buffer, &iter, normal_text, -1, fg_tag, NULL);
1216         } else {
1217                 gtk_text_buffer_insert_with_tags_by_name
1218                         (buffer, &iter, mybuf, -1, fg_tag, NULL);
1219         }
1220         g_free(mybuf);
1221 }
1222
1223 /* textview_make_clickable_parts() - colorizes clickable parts */
1224 static void textview_make_clickable_parts_later(TextView *textview,
1225                                           gint start, gint end)
1226 {
1227         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1228         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1229         GtkTextIter start_iter, end_iter;
1230         gchar *mybuf;
1231         gint offset = 0;
1232         /* parse table - in order of priority */
1233         struct table {
1234                 const gchar *needle; /* token */
1235
1236                 /* token search function */
1237                 gchar    *(*search)     (const gchar *haystack,
1238                                          const gchar *needle);
1239                 /* part parsing function */
1240                 gboolean  (*parse)      (const gchar *start,
1241                                          const gchar *scanpos,
1242                                          const gchar **bp_,
1243                                          const gchar **ep_,
1244                                          gboolean hdr);
1245                 /* part to URI function */
1246                 gchar    *(*build_uri)  (const gchar *bp,
1247                                          const gchar *ep);
1248         };
1249
1250         static struct table parser[] = {
1251                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
1252                 {"https://", strcasestr, get_uri_part,   make_uri_string},
1253                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
1254                 {"sftp://",  strcasestr, get_uri_part,   make_uri_string},
1255                 {"www.",     strcasestr, get_uri_part,   make_http_string},
1256                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
1257                 {"@",        strcasestr, get_email_part, make_email_string}
1258         };
1259         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
1260
1261         gint  n;
1262         const gchar *walk, *bp, *ep;
1263
1264         struct txtpos {
1265                 const gchar     *bp, *ep;       /* text position */
1266                 gint             pti;           /* index in parse table */
1267                 struct txtpos   *next;          /* next */
1268         } head = {NULL, NULL, 0,  NULL}, *last = &head;
1269
1270         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start);
1271         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end);
1272         mybuf = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE);
1273         offset = gtk_text_iter_get_offset(&start_iter);
1274
1275         /* parse for clickable parts, and build a list of begin and end positions  */
1276         for (walk = mybuf, n = 0;;) {
1277                 gint last_index = PARSE_ELEMS;
1278                 gchar *scanpos = NULL;
1279
1280                 /* FIXME: this looks phony. scanning for anything in the parse table */
1281                 for (n = 0; n < PARSE_ELEMS; n++) {
1282                         gchar *tmp;
1283
1284                         tmp = parser[n].search(walk, parser[n].needle);
1285                         if (tmp) {
1286                                 if (scanpos == NULL || tmp < scanpos) {
1287                                         scanpos = tmp;
1288                                         last_index = n;
1289                                 }
1290                         }                                       
1291                 }
1292
1293                 if (scanpos) {
1294                         /* check if URI can be parsed */
1295                         if (parser[last_index].parse(walk, scanpos, &bp, &ep, FALSE)
1296                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
1297                                         ADD_TXT_POS_LATER(bp, ep, last_index);
1298                                         walk = ep;
1299                         } else
1300                                 walk = scanpos +
1301                                         strlen(parser[last_index].needle);
1302                 } else
1303                         break;
1304         }
1305
1306         /* colorize this line */
1307         if (head.next) {
1308                 /* insert URIs */
1309                 for (last = head.next; last != NULL; last = last->next) {
1310                         ClickableText *uri;
1311                         gint start_offset, end_offset;
1312                         gchar *tmp_str;
1313                         gchar old_char;
1314                         uri = g_new0(ClickableText, 1);
1315                         uri->uri = parser[last->pti].build_uri(last->bp,
1316                                                                last->ep);
1317                         
1318                         tmp_str = mybuf;
1319                         old_char = tmp_str[last->ep - mybuf];
1320                         tmp_str[last->ep - mybuf] = '\0';                                      
1321                         end_offset = g_utf8_strlen(tmp_str, -1);
1322                         tmp_str[last->ep - mybuf] = old_char;
1323                         
1324                         old_char = tmp_str[last->bp - mybuf];
1325                         tmp_str[last->bp - mybuf] = '\0';                                      
1326                         start_offset = g_utf8_strlen(tmp_str, -1);
1327                         tmp_str[last->bp - mybuf] = old_char;
1328                         
1329                         gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, start_offset + offset);
1330                         gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, end_offset + offset);
1331                         
1332                         uri->start = gtk_text_iter_get_offset(&start_iter);
1333                         
1334                         gtk_text_buffer_apply_tag_by_name(buffer, "link", &start_iter, &end_iter);
1335
1336                         uri->end = gtk_text_iter_get_offset(&end_iter);
1337                         uri->filename = NULL;
1338                         textview->uri_list =
1339                                 g_slist_prepend(textview->uri_list, uri);
1340                 }
1341         } 
1342
1343         g_free(mybuf);
1344 }
1345
1346 #undef ADD_TXT_POS
1347
1348 static void textview_write_line(TextView *textview, const gchar *str,
1349                                 CodeConverter *conv, gboolean do_quote_folding)
1350 {
1351         GtkTextView *text;
1352         GtkTextBuffer *buffer;
1353         GtkTextIter iter;
1354         gchar buf[BUFFSIZE];
1355         gchar *fg_color;
1356         gint quotelevel = -1, real_quotelevel = -1;
1357         gchar quote_tag_str[10];
1358
1359         text = GTK_TEXT_VIEW(textview->text);
1360         buffer = gtk_text_view_get_buffer(text);
1361         gtk_text_buffer_get_end_iter(buffer, &iter);
1362
1363         if (!conv)
1364                 strncpy2(buf, str, sizeof(buf));
1365         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1366                 conv_localetodisp(buf, sizeof(buf), str);
1367                 
1368         strcrchomp(buf);
1369         fg_color = NULL;
1370
1371         /* change color of quotation
1372            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1373            Up to 3 levels of quotations are detected, and each
1374            level is colored using a different color. */
1375         if (prefs_common.enable_color 
1376             && line_has_quote_char(buf, prefs_common.quote_chars)) {
1377                 real_quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1378                 quotelevel = real_quotelevel;
1379                 /* set up the correct foreground color */
1380                 if (quotelevel > 2) {
1381                         /* recycle colors */
1382                         if (prefs_common.recycle_quote_colors)
1383                                 quotelevel %= 3;
1384                         else
1385                                 quotelevel = 2;
1386                 }
1387         }
1388
1389         if (quotelevel == -1)
1390                 fg_color = NULL;
1391         else {
1392                 g_snprintf(quote_tag_str, sizeof(quote_tag_str),
1393                            "quote%d", quotelevel);
1394                 fg_color = quote_tag_str;
1395         }
1396
1397         if (prefs_common.enable_color && (strcmp(buf,"-- \n") == 0 || textview->is_in_signature)) {
1398                 fg_color = "signature";
1399                 textview->is_in_signature = TRUE;
1400         }
1401
1402         if (real_quotelevel > -1 && do_quote_folding) {
1403                 if (!g_utf8_validate(buf, -1, NULL)) {
1404                         gchar *utf8buf = NULL;
1405                         utf8buf = g_malloc(BUFFSIZE);
1406                         conv_localetodisp(utf8buf, BUFFSIZE, buf);
1407                         strncpy2(buf, utf8buf, BUFFSIZE-1);
1408                         g_free(utf8buf);
1409                 }
1410 do_quote:
1411                 if ( previousquotelevel != real_quotelevel ) {
1412                         ClickableText *uri;
1413                         uri = g_new0(ClickableText, 1);
1414                         uri->uri = g_strdup("");
1415                         uri->data = g_strdup(buf);
1416                         uri->start = gtk_text_iter_get_offset(&iter);
1417                         uri->is_quote = TRUE;
1418                         uri->quote_level = real_quotelevel;
1419                         uri->fg_color = g_strdup(fg_color);
1420
1421                         gtk_text_buffer_insert_with_tags_by_name
1422                                         (buffer, &iter, " [...]", -1,
1423                                          "qlink", fg_color, NULL);
1424                         uri->end = gtk_text_iter_get_offset(&iter);
1425                         gtk_text_buffer_insert(buffer, &iter, "  \n", -1);
1426                         
1427                         uri->filename = NULL;
1428                         textview->uri_list =
1429                                 g_slist_prepend(textview->uri_list, uri);
1430                 
1431                         previousquotelevel = real_quotelevel;
1432                 } else {
1433                         GSList *last = textview->uri_list;
1434                         ClickableText *lasturi = (ClickableText *)last->data;
1435                         gint e_len = 0, n_len = 0;
1436                         
1437                         if (lasturi->is_quote == FALSE) {
1438                                 previousquotelevel = -1;
1439                                 goto do_quote;
1440                         }
1441                         e_len = lasturi->data ? strlen(lasturi->data):0;
1442                         n_len = strlen(buf);
1443                         lasturi->data = g_realloc((gchar *)lasturi->data, e_len + n_len + 1);
1444                         strcpy((gchar *)lasturi->data + e_len, buf);
1445                         *((gchar *)lasturi->data + e_len + n_len) = '\0';
1446                 }
1447         } else {
1448                 textview_make_clickable_parts(textview, fg_color, "link", buf, FALSE);
1449                 previousquotelevel = -1;
1450         }
1451 }
1452
1453 void textview_write_link(TextView *textview, const gchar *str,
1454                          const gchar *uri, CodeConverter *conv)
1455 {
1456         GdkColor *link_color = NULL;
1457         GtkTextView *text;
1458         GtkTextBuffer *buffer;
1459         GtkTextIter iter;
1460         gchar buf[BUFFSIZE];
1461         gchar *bufp;
1462         ClickableText *r_uri;
1463
1464         if (!str || *str == '\0')
1465                 return;
1466         if (!uri)
1467                 return;
1468
1469         while (uri && *uri && g_ascii_isspace(*uri))
1470                 uri++;
1471                 
1472         text = GTK_TEXT_VIEW(textview->text);
1473         buffer = gtk_text_view_get_buffer(text);
1474         gtk_text_buffer_get_end_iter(buffer, &iter);
1475
1476         if (!conv)
1477                 strncpy2(buf, str, sizeof(buf));
1478         else if (conv_convert(conv, buf, sizeof(buf), str) < 0)
1479                 conv_utf8todisp(buf, sizeof(buf), str);
1480
1481         if (g_utf8_validate(buf, -1, NULL) == FALSE)
1482                 return;
1483
1484         strcrchomp(buf);
1485
1486         gtk_text_buffer_get_end_iter(buffer, &iter);
1487         for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) {
1488                 gunichar ch;
1489
1490                 ch = g_utf8_get_char(bufp);
1491                 if (!g_unichar_isspace(ch))
1492                         break;
1493         }
1494         if (bufp > buf)
1495                 gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf);
1496
1497         if (prefs_common.enable_color) {
1498                 link_color = &uri_color;
1499         }
1500         r_uri = g_new0(ClickableText, 1);
1501         r_uri->uri = g_strdup(uri);
1502         r_uri->start = gtk_text_iter_get_offset(&iter);
1503         gtk_text_buffer_insert_with_tags_by_name
1504                 (buffer, &iter, bufp, -1, "link", NULL);
1505         r_uri->end = gtk_text_iter_get_offset(&iter);
1506         r_uri->filename = NULL;
1507         textview->uri_list = g_slist_prepend(textview->uri_list, r_uri);
1508 }
1509
1510 static void textview_set_cursor(GdkWindow *window, GdkCursor *cursor)
1511 {
1512         if (GDK_IS_WINDOW(window))
1513                 gdk_window_set_cursor(window, cursor);
1514 }
1515 void textview_clear(TextView *textview)
1516 {
1517         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1518         GtkTextBuffer *buffer;
1519         GdkWindow *window = gtk_text_view_get_window(text,
1520                                 GTK_TEXT_WINDOW_TEXT);
1521
1522         buffer = gtk_text_view_get_buffer(text);
1523         gtk_text_buffer_set_text(buffer, "", -1);
1524
1525         TEXTVIEW_STATUSBAR_POP(textview);
1526         textview_uri_list_remove_all(textview->uri_list);
1527         textview->uri_list = NULL;
1528         textview->uri_hover = NULL;
1529
1530         textview->body_pos = 0;
1531         if (textview->image) 
1532                 gtk_widget_destroy(textview->image);
1533         textview->image = NULL;
1534
1535         if (textview->messageview->mainwin->cursor_count == 0) {
1536                 textview_set_cursor(window, text_cursor);
1537         } else {
1538                 textview_set_cursor(window, watch_cursor);
1539         }
1540 }
1541
1542 void textview_destroy(TextView *textview)
1543 {
1544         GtkTextBuffer *buffer;
1545         GtkClipboard *clipboard;
1546
1547         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1548         clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1549         gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
1550
1551         textview_uri_list_remove_all(textview->uri_list);
1552         textview->uri_list = NULL;
1553
1554         g_free(textview);
1555 }
1556
1557 void textview_set_all_headers(TextView *textview, gboolean all_headers)
1558 {
1559         textview->show_all_headers = all_headers;
1560 }
1561
1562 #define CHANGE_TAG_FONT(tagname, font) { \
1563         tag = gtk_text_tag_table_lookup(tags, tagname); \
1564         if (tag) \
1565                 g_object_set(G_OBJECT(tag), "font-desc", font, NULL); \
1566 }
1567
1568 void textview_set_font(TextView *textview, const gchar *codeset)
1569 {
1570         GtkTextTag *tag;
1571         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
1572         GtkTextTagTable *tags = gtk_text_buffer_get_tag_table(buffer);
1573         
1574         if (NORMAL_FONT) {
1575                 PangoFontDescription *font_desc, *bold_font_desc;
1576                 font_desc = pango_font_description_from_string
1577                                                 (NORMAL_FONT);
1578                 bold_font_desc = pango_font_description_from_string
1579                                                 (NORMAL_FONT);
1580                 if (font_desc) {
1581                         gtk_widget_modify_font(textview->text, font_desc);
1582                         CHANGE_TAG_FONT("header", font_desc);
1583                         CHANGE_TAG_FONT("hlink", font_desc);
1584                         pango_font_description_free(font_desc);
1585                 }
1586                 if (bold_font_desc) {
1587                         pango_font_description_set_weight
1588                                 (bold_font_desc, PANGO_WEIGHT_BOLD);
1589                         CHANGE_TAG_FONT("header_title", bold_font_desc);
1590                         pango_font_description_free(bold_font_desc);
1591                 }
1592         }
1593
1594         if (prefs_common.textfont) {
1595                 PangoFontDescription *font_desc;
1596
1597                 font_desc = pango_font_description_from_string
1598                                                 (prefs_common.textfont);
1599                 if (font_desc) {
1600                         gtk_widget_modify_font(textview->text, font_desc);
1601                         pango_font_description_free(font_desc);
1602                 }
1603         }
1604         gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textview->text),
1605                                              prefs_common.line_space / 2);
1606         gtk_text_view_set_pixels_below_lines(GTK_TEXT_VIEW(textview->text),
1607                                              prefs_common.line_space / 2);
1608 }
1609
1610 void textview_set_text(TextView *textview, const gchar *text)
1611 {
1612         GtkTextView *view;
1613         GtkTextBuffer *buffer;
1614
1615         g_return_if_fail(textview != NULL);
1616         g_return_if_fail(text != NULL);
1617
1618         textview_clear(textview);
1619
1620         view = GTK_TEXT_VIEW(textview->text);
1621         buffer = gtk_text_view_get_buffer(view);
1622         gtk_text_buffer_set_text(buffer, text, strlen(text));
1623 }
1624
1625 enum
1626 {
1627         H_DATE          = 0,
1628         H_FROM          = 1,
1629         H_TO            = 2,
1630         H_NEWSGROUPS    = 3,
1631         H_SUBJECT       = 4,
1632         H_CC            = 5,
1633         H_REPLY_TO      = 6,
1634         H_FOLLOWUP_TO   = 7,
1635         H_X_MAILER      = 8,
1636         H_X_NEWSREADER  = 9,
1637         H_USER_AGENT    = 10,
1638         H_ORGANIZATION  = 11,
1639 };
1640
1641 void textview_set_position(TextView *textview, gint pos)
1642 {
1643         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1644
1645         gtkut_text_view_set_position(text, pos);
1646 }
1647
1648 static gboolean header_is_internal(Header *header)
1649 {
1650         const gchar *internal_hdrs[] = 
1651                 {"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:", 
1652                  "CFG:", "PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:", 
1653                  "R:", "MAID:", "SCF:", "RMID:", "FMID:", "NAID:", 
1654                  "X-Claws-Account-Id:", "X-Claws-Sign:", "X-Claws-Encrypt:", 
1655                  "X-Claws-Privacy-System:", "X-Claws-End-Special-Headers:",
1656                  "X-Sylpheed-Account-Id:", "X-Sylpheed-Sign:", "X-Sylpheed-Encrypt:", 
1657                  "X-Sylpheed-Privacy-System:", "X-Sylpheed-End-Special-Headers:",
1658                  NULL};
1659         int i;
1660         
1661         for (i = 0; internal_hdrs[i]; i++) {
1662                 if (!strcmp(header->name, internal_hdrs[i]))
1663                         return TRUE;
1664         }
1665         return FALSE;
1666 }
1667
1668 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1669 {
1670         gchar buf[BUFFSIZE];
1671         GPtrArray *headers, *sorted_headers;
1672         GSList *disphdr_list;
1673         Header *header;
1674         gint i;
1675
1676         g_return_val_if_fail(fp != NULL, NULL);
1677
1678         if (textview->show_all_headers) {
1679                 headers = procheader_get_header_array_asis(fp);
1680                 sorted_headers = g_ptr_array_new();
1681                 for (i = 0; i < headers->len; i++) {
1682                         header = g_ptr_array_index(headers, i);
1683                         if (!header_is_internal(header))
1684                                 g_ptr_array_add(sorted_headers, header);
1685                         else
1686                                 procheader_header_free(header);
1687                 }
1688                 g_ptr_array_free(headers, TRUE);
1689                 return sorted_headers;
1690         }
1691
1692         if (!prefs_common.display_header) {
1693                 while (fgets(buf, sizeof(buf), fp) != NULL)
1694                         if (buf[0] == '\r' || buf[0] == '\n') break;
1695                 return NULL;
1696         }
1697
1698         headers = procheader_get_header_array_asis(fp);
1699
1700         sorted_headers = g_ptr_array_new();
1701
1702         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1703              disphdr_list = disphdr_list->next) {
1704                 DisplayHeaderProp *dp =
1705                         (DisplayHeaderProp *)disphdr_list->data;
1706
1707                 for (i = 0; i < headers->len; i++) {
1708                         header = g_ptr_array_index(headers, i);
1709
1710                         if (procheader_headername_equal(header->name,
1711                                                         dp->name)) {
1712                                 if (dp->hidden)
1713                                         procheader_header_free(header);
1714                                 else
1715                                         g_ptr_array_add(sorted_headers, header);
1716
1717                                 g_ptr_array_remove_index(headers, i);
1718                                 i--;
1719                         }
1720                 }
1721         }
1722
1723         if (prefs_common.show_other_header) {
1724                 for (i = 0; i < headers->len; i++) {
1725                         header = g_ptr_array_index(headers, i);
1726                         if (!header_is_internal(header)) {
1727                                 g_ptr_array_add(sorted_headers, header);
1728                         } else {
1729                                 procheader_header_free(header);
1730                         }
1731                 }
1732                 g_ptr_array_free(headers, TRUE);
1733         } else
1734                 procheader_header_array_destroy(headers);
1735
1736
1737         return sorted_headers;
1738 }
1739
1740 static void textview_show_face(TextView *textview)
1741 {
1742         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1743         MsgInfo *msginfo = textview->messageview->msginfo;
1744         int x = 0;
1745         
1746         if (prefs_common.display_header_pane
1747         ||  !prefs_common.display_xface)
1748                 goto bail;
1749         
1750         if (!msginfo->extradata || !msginfo->extradata->face) {
1751                 goto bail;
1752         }
1753
1754         if (textview->image) 
1755                 gtk_widget_destroy(textview->image);
1756         
1757         textview->image = face_get_from_header(msginfo->extradata->face);
1758         g_return_if_fail(textview->image != NULL);
1759
1760         gtk_widget_show(textview->image);
1761         
1762         x = textview->text->allocation.width - WIDTH -5;
1763
1764         gtk_text_view_add_child_in_window(text, textview->image, 
1765                 GTK_TEXT_WINDOW_TEXT, x, 5);
1766
1767         gtk_widget_show_all(textview->text);
1768         
1769
1770         return;
1771 bail:
1772         if (textview->image) 
1773                 gtk_widget_destroy(textview->image);
1774         textview->image = NULL; 
1775 }
1776
1777 void textview_show_icon(TextView *textview, const gchar *stock_id)
1778 {
1779         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1780         int x = 0;
1781         
1782         if (textview->image) 
1783                 gtk_widget_destroy(textview->image);
1784         
1785         textview->image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_DIALOG);
1786         g_return_if_fail(textview->image != NULL);
1787
1788         gtk_widget_show(textview->image);
1789         
1790         x = textview->text->allocation.width - WIDTH -5;
1791
1792         gtk_text_view_add_child_in_window(text, textview->image, 
1793                 GTK_TEXT_WINDOW_TEXT, x, 5);
1794
1795         gtk_widget_show_all(textview->text);
1796         
1797
1798         return;
1799 }
1800
1801 #if HAVE_LIBCOMPFACE
1802 static void textview_show_xface(TextView *textview)
1803 {
1804         MsgInfo *msginfo = textview->messageview->msginfo;
1805         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1806         int x = 0;
1807         GdkWindow *window = NULL;
1808         
1809         if (prefs_common.display_header_pane
1810         ||  !prefs_common.display_xface)
1811                 goto bail;
1812         
1813         if (!msginfo || !msginfo->extradata)
1814                 goto bail;
1815
1816         if (msginfo->extradata->face)
1817                 return;
1818         
1819         if (!msginfo->extradata->xface || strlen(msginfo->extradata->xface) < 5) {
1820                 goto bail;
1821         }
1822
1823         if (textview->image) 
1824                 gtk_widget_destroy(textview->image);
1825
1826         window = mainwindow_get_mainwindow() ?
1827                         mainwindow_get_mainwindow()->window->window :
1828                         textview->text->window;
1829         textview->image = xface_get_from_header(msginfo->extradata->xface,
1830                                 &textview->text->style->white,
1831                                 window);
1832         g_return_if_fail(textview->image != NULL);
1833
1834         gtk_widget_show(textview->image);
1835         
1836         x = textview->text->allocation.width - WIDTH -5;
1837
1838         gtk_text_view_add_child_in_window(text, textview->image, 
1839                 GTK_TEXT_WINDOW_TEXT, x, 5);
1840
1841         gtk_widget_show_all(textview->text);
1842         
1843         return;
1844 bail:
1845         if (textview->image) 
1846                 gtk_widget_destroy(textview->image);
1847         textview->image = NULL;
1848         
1849 }
1850 #endif
1851
1852 static void textview_show_header(TextView *textview, GPtrArray *headers)
1853 {
1854         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1855         GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
1856         GtkTextIter iter;
1857         Header *header;
1858         gint i;
1859
1860         g_return_if_fail(headers != NULL);
1861
1862         for (i = 0; i < headers->len; i++) {
1863                 header = g_ptr_array_index(headers, i);
1864                 g_return_if_fail(header->name != NULL);
1865
1866                 gtk_text_buffer_get_end_iter (buffer, &iter);
1867                 if(prefs_common.trans_hdr == TRUE) {
1868                         gchar *hdr = g_strndup(header->name, strlen(header->name) - 1);
1869                         gchar *trans_hdr = gettext(hdr);
1870                         gtk_text_buffer_insert_with_tags_by_name(buffer,
1871                                 &iter, trans_hdr, -1,
1872                                 "header_title", "header", NULL);
1873                         gtk_text_buffer_insert_with_tags_by_name(buffer,
1874                                 &iter, ":", 1, "header_title", "header", NULL);
1875                         g_free(hdr);
1876                 } else {
1877                         gtk_text_buffer_insert_with_tags_by_name(buffer,
1878                                 &iter, header->name,
1879                                 -1, "header_title", "header", NULL);
1880                 }
1881                 if (header->name[strlen(header->name) - 1] != ' ')
1882                 gtk_text_buffer_insert_with_tags_by_name
1883                                 (buffer, &iter, " ", 1,
1884                                  "header_title", "header", NULL);
1885
1886                 if (procheader_headername_equal(header->name, "Subject") ||
1887                     procheader_headername_equal(header->name, "From")    ||
1888                     procheader_headername_equal(header->name, "To")      ||
1889                     procheader_headername_equal(header->name, "Cc"))
1890                         unfold_line(header->body);
1891
1892                 if ((procheader_headername_equal(header->name, "X-Mailer") ||
1893                      procheader_headername_equal(header->name,
1894                                                  "X-Newsreader")) &&
1895                     (strstr(header->body, "Claws Mail") != NULL ||
1896                      strstr(header->body, "Sylpheed-Claws") != NULL)) {
1897                         gtk_text_buffer_get_end_iter (buffer, &iter);
1898                         gtk_text_buffer_insert_with_tags_by_name
1899                                 (buffer, &iter, header->body, -1,
1900                                  "header", "emphasis", NULL);
1901                 } else {
1902                         gboolean hdr = 
1903                           procheader_headername_equal(header->name, "From") ||
1904                           procheader_headername_equal(header->name, "To") ||
1905                           procheader_headername_equal(header->name, "Cc") ||
1906                           procheader_headername_equal(header->name, "Bcc") ||
1907                           procheader_headername_equal(header->name, "Reply-To") ||
1908                           procheader_headername_equal(header->name, "Sender");
1909                         textview_make_clickable_parts(textview, "header", 
1910                                                       "hlink", header->body, 
1911                                                       hdr);
1912                 }
1913                 gtk_text_buffer_get_end_iter (buffer, &iter);
1914                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, "\n", 1,
1915                                                          "header", NULL);
1916         }
1917         
1918         textview_show_face(textview);
1919 #if HAVE_LIBCOMPFACE
1920         textview_show_xface(textview);
1921 #endif
1922 }
1923
1924 gboolean textview_search_string(TextView *textview, const gchar *str,
1925                                 gboolean case_sens)
1926 {
1927         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1928
1929         return gtkut_text_view_search_string(text, str, case_sens);
1930 }
1931
1932 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1933                                          gboolean case_sens)
1934 {
1935         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1936
1937         return gtkut_text_view_search_string_backward(text, str, case_sens);
1938 }
1939
1940 void textview_scroll_one_line(TextView *textview, gboolean up)
1941 {
1942         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1943         GtkAdjustment *vadj = text->vadjustment;
1944
1945         gtkutils_scroll_one_line(GTK_WIDGET(text), vadj, up);
1946 }
1947
1948 gboolean textview_scroll_page(TextView *textview, gboolean up)
1949 {
1950         GtkTextView *text = GTK_TEXT_VIEW(textview->text);
1951         GtkAdjustment *vadj = text->vadjustment;
1952
1953         return gtkutils_scroll_page(GTK_WIDGET(text), vadj, up);
1954 }
1955
1956 #define KEY_PRESS_EVENT_STOP() \
1957         g_signal_stop_emission_by_name(G_OBJECT(widget), \
1958                                        "key_press_event");
1959
1960 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1961                                  TextView *textview)
1962 {
1963         SummaryView *summaryview = NULL;
1964         MessageView *messageview = textview->messageview;
1965
1966         if (!event) return FALSE;
1967         if (messageview->mainwin)
1968                 summaryview = messageview->mainwin->summaryview;
1969
1970         switch (event->keyval) {
1971         case GDK_Tab:
1972         case GDK_Home:
1973         case GDK_Left:
1974         case GDK_Up:
1975         case GDK_Right:
1976         case GDK_Down:
1977         case GDK_Page_Up:
1978         case GDK_Page_Down:
1979         case GDK_End:
1980         case GDK_Control_L:
1981         case GDK_Control_R:
1982                 return FALSE;
1983         case GDK_space:
1984                 if (summaryview)
1985                         summary_pass_key_press_event(summaryview, event);
1986                 else
1987                         mimeview_scroll_page
1988                                 (messageview->mimeview,
1989                                  (event->state &
1990                                   (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
1991                 break;
1992         case GDK_BackSpace:
1993                 mimeview_scroll_page(messageview->mimeview, TRUE);
1994                 break;
1995         case GDK_Return:
1996                 mimeview_scroll_one_line
1997                         (messageview->mimeview, (event->state &
1998                                     (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0);
1999                 break;
2000         case GDK_Delete:
2001                 if (summaryview)
2002                         summary_pass_key_press_event(summaryview, event);
2003                 break;
2004         case GDK_y:
2005         case GDK_t:
2006         case GDK_l:
2007         case GDK_c:
2008         case GDK_a:
2009                 if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) == 0) {
2010                         KEY_PRESS_EVENT_STOP();
2011                         mimeview_pass_key_press_event(messageview->mimeview,
2012                                                       event);
2013                         break;
2014                 }
2015                 /* possible fall through */
2016         default:
2017                 if (summaryview &&
2018                     event->window != messageview->mainwin->window->window) {
2019                         GdkEventKey tmpev = *event;
2020
2021                         tmpev.window = messageview->mainwin->window->window;
2022                         KEY_PRESS_EVENT_STOP();
2023                         gtk_widget_event(messageview->mainwin->window,
2024                                          (GdkEvent *)&tmpev);
2025                 }
2026                 break;
2027         }
2028
2029         return TRUE;
2030 }
2031
2032 static gboolean textview_motion_notify(GtkWidget *widget,
2033                                        GdkEventMotion *event,
2034                                        TextView *textview)
2035 {
2036         if (textview->loading)
2037                 return FALSE;
2038         textview_uri_update(textview, event->x, event->y);
2039         gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
2040
2041         return FALSE;
2042 }
2043
2044 static gboolean textview_leave_notify(GtkWidget *widget,
2045                                       GdkEventCrossing *event,
2046                                       TextView *textview)
2047 {
2048         if (textview->loading)
2049                 return FALSE;
2050         textview_uri_update(textview, -1, -1);
2051
2052         return FALSE;
2053 }
2054
2055 static gboolean textview_visibility_notify(GtkWidget *widget,
2056                                            GdkEventVisibility *event,
2057                                            TextView *textview)
2058 {
2059         gint wx, wy;
2060         GdkWindow *window;
2061
2062         if (textview->loading)
2063                 return FALSE;
2064
2065         window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget),
2066                                           GTK_TEXT_WINDOW_TEXT);
2067
2068         /* check if occurred for the text window part */
2069         if (window != event->window)
2070                 return FALSE;
2071         
2072         gdk_window_get_pointer(widget->window, &wx, &wy, NULL);
2073         textview_uri_update(textview, wx, wy);
2074
2075         return FALSE;
2076 }
2077
2078 void textview_cursor_wait(TextView *textview)
2079 {
2080         GdkWindow *window = gtk_text_view_get_window(
2081                         GTK_TEXT_VIEW(textview->text),
2082                         GTK_TEXT_WINDOW_TEXT);
2083         textview_set_cursor(window, watch_cursor);
2084 }
2085
2086 void textview_cursor_normal(TextView *textview)
2087 {
2088         GdkWindow *window = gtk_text_view_get_window(
2089                         GTK_TEXT_VIEW(textview->text),
2090                         GTK_TEXT_WINDOW_TEXT);
2091         textview_set_cursor(window, text_cursor);
2092 }
2093
2094 static void textview_uri_update(TextView *textview, gint x, gint y)
2095 {
2096         GtkTextBuffer *buffer;
2097         GtkTextIter start_iter, end_iter;
2098         ClickableText *uri = NULL;
2099         
2100         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2101
2102         if (x != -1 && y != -1) {
2103                 gint bx, by;
2104                 GtkTextIter iter;
2105                 GSList *tags;
2106                 GSList *cur;
2107                 
2108                 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(textview->text), 
2109                                                       GTK_TEXT_WINDOW_WIDGET,
2110                                                       x, y, &bx, &by);
2111                 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(textview->text),
2112                                                    &iter, bx, by);
2113
2114                 tags = gtk_text_iter_get_tags(&iter);
2115                 for (cur = tags; cur != NULL; cur = cur->next) {
2116                         GtkTextTag *tag = cur->data;
2117                         char *name;
2118
2119                         g_object_get(G_OBJECT(tag), "name", &name, NULL);
2120
2121                         if ((!strcmp(name, "link") || !strcmp(name, "hlink"))
2122                             && textview_get_uri_range(textview, &iter, tag,
2123                                                       &start_iter, &end_iter)) {
2124
2125                                 uri = textview_get_uri_from_range(textview,
2126                                                                   &iter, tag,
2127                                                                   &start_iter,
2128                                                                   &end_iter);
2129                         }
2130                         g_free(name);
2131                         if (uri)
2132                                 break;
2133                 }
2134                 g_slist_free(tags);
2135         }
2136         
2137         if (uri != textview->uri_hover) {
2138                 GdkWindow *window;
2139
2140                 if (textview->uri_hover)
2141                         gtk_text_buffer_remove_tag_by_name(buffer,
2142                                                            "link-hover",
2143                                                            &textview->uri_hover_start_iter,
2144                                                            &textview->uri_hover_end_iter);
2145                     
2146                 textview->uri_hover = uri;
2147                 if (uri) {
2148                         textview->uri_hover_start_iter = start_iter;
2149                         textview->uri_hover_end_iter = end_iter;
2150                 }
2151                 
2152                 window = gtk_text_view_get_window(GTK_TEXT_VIEW(textview->text),
2153                                                   GTK_TEXT_WINDOW_TEXT);
2154                 if (textview->messageview->mainwin->cursor_count == 0) {
2155                         textview_set_cursor(window, uri ? hand_cursor : text_cursor);
2156                 } else {
2157                         textview_set_cursor(window, watch_cursor);
2158                 }
2159
2160                 TEXTVIEW_STATUSBAR_POP(textview);
2161
2162                 if (uri) {
2163                         char *trimmed_uri;
2164
2165                         if (!uri->is_quote)
2166                                 gtk_text_buffer_apply_tag_by_name(buffer,
2167                                                           "link-hover",
2168                                                           &start_iter,
2169                                                           &end_iter);
2170
2171                         trimmed_uri = trim_string(uri->uri, 60);
2172                         TEXTVIEW_STATUSBAR_PUSH(textview, trimmed_uri);
2173                         g_free(trimmed_uri);
2174                 }
2175         }
2176 }
2177
2178 static gboolean textview_get_uri_range(TextView *textview,
2179                                        GtkTextIter *iter,
2180                                        GtkTextTag *tag,
2181                                        GtkTextIter *start_iter,
2182                                        GtkTextIter *end_iter)
2183 {
2184         return get_tag_range(iter, tag, start_iter, end_iter);
2185 }
2186
2187 static ClickableText *textview_get_uri_from_range(TextView *textview,
2188                                               GtkTextIter *iter,
2189                                               GtkTextTag *tag,
2190                                               GtkTextIter *start_iter,
2191                                               GtkTextIter *end_iter)
2192 {
2193         gint start_pos, end_pos, cur_pos;
2194         ClickableText *uri = NULL;
2195         GSList *cur;
2196
2197         start_pos = gtk_text_iter_get_offset(start_iter);
2198         end_pos = gtk_text_iter_get_offset(end_iter);
2199         cur_pos = gtk_text_iter_get_offset(iter);
2200
2201         for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
2202                 ClickableText *uri_ = (ClickableText *)cur->data;
2203                 if (start_pos == uri_->start &&
2204                     end_pos ==  uri_->end) {
2205                         uri = uri_;
2206                         break;
2207                 } 
2208         }
2209         for (cur = textview->uri_list; uri == NULL && cur != NULL; cur = cur->next) {
2210                 ClickableText *uri_ = (ClickableText *)cur->data;
2211                 if (start_pos == uri_->start ||
2212                            end_pos == uri_->end) {
2213                         /* in case of contiguous links, textview_get_uri_range
2214                          * returns a broader range (start of 1st link to end
2215                          * of last link).
2216                          * In that case, correct link is the one covering
2217                          * current iter.
2218                          */
2219                         if (uri_->start <= cur_pos && cur_pos <= uri_->end) {
2220                                 uri = uri_;
2221                                 break;
2222                         }
2223                 } 
2224         }
2225
2226         return uri;
2227 }
2228
2229 static ClickableText *textview_get_uri(TextView *textview,
2230                                    GtkTextIter *iter,
2231                                    GtkTextTag *tag)
2232 {
2233         GtkTextIter start_iter, end_iter;
2234         ClickableText *uri = NULL;
2235
2236         if (textview_get_uri_range(textview, iter, tag, &start_iter,
2237                                    &end_iter))
2238                 uri = textview_get_uri_from_range(textview, iter, tag,
2239                                                   &start_iter, &end_iter);
2240
2241         return uri;
2242 }
2243
2244 static void textview_shift_uris_after(TextView *textview, GSList *start_list, gint start, gint shift)
2245 {
2246         GSList *cur;
2247         if (!start_list)
2248                 start_list = textview->uri_list;
2249
2250         for (cur = start_list; cur; cur = cur->next) {
2251                 ClickableText *uri = (ClickableText *)cur->data;
2252                 if (uri->start <= start)
2253                         continue;
2254                 uri->start += shift;
2255                 uri->end += shift;
2256         }
2257 }
2258
2259 static void textview_remove_uris_in(TextView *textview, gint start, gint end)
2260 {
2261         GSList *cur;
2262         for (cur = textview->uri_list; cur; ) {
2263                 ClickableText *uri = (ClickableText *)cur->data;
2264                 if (uri->start > start && uri->end < end) {
2265                         cur = cur->next;
2266                         textview->uri_list = g_slist_remove(textview->uri_list, uri);
2267                         g_free(uri->uri);
2268                         g_free(uri->filename);
2269                         if (uri->is_quote) {
2270                                 g_free(uri->fg_color);
2271                                 g_free(uri->data); 
2272                                 /* (only free data in quotes uris) */
2273                         }
2274                         g_free(uri);
2275                 } else {
2276                         cur = cur->next;
2277                 }
2278                 
2279         }
2280 }
2281
2282 static void textview_toggle_quote(TextView *textview, GSList *start_list, ClickableText *uri, gboolean expand_only)
2283 {
2284         GtkTextIter start, end;
2285         GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2286         
2287         if (!uri->is_quote)
2288                 return;
2289         
2290         if (uri->q_expanded && expand_only)
2291                 return;
2292
2293         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2294         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2295         if (textview->uri_hover)
2296                 gtk_text_buffer_remove_tag_by_name(buffer,
2297                                                    "link-hover",
2298                                                    &textview->uri_hover_start_iter,
2299                                                    &textview->uri_hover_end_iter);
2300         textview->uri_hover = NULL;
2301         gtk_text_buffer_remove_tag_by_name(buffer,
2302                                            "qlink",
2303                                            &start,
2304                                            &end);
2305         /* when shifting URIs start and end, we have to do it per-UTF8-char
2306          * so use g_utf8_strlen(). OTOH, when inserting in the text buffer, 
2307          * we have to pass a number of bytes, so use strlen(). disturbing. */
2308          
2309         if (!uri->q_expanded) {
2310                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2311                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2312                 textview_shift_uris_after(textview, start_list, uri->start, 
2313                         g_utf8_strlen((gchar *)uri->data, -1)-strlen(" [...]\n"));
2314                 gtk_text_buffer_delete(buffer, &start, &end);
2315                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2316                 gtk_text_buffer_insert_with_tags_by_name
2317                                 (buffer, &start, (gchar *)uri->data, 
2318                                  strlen((gchar *)uri->data)-1,
2319                                  "qlink", (gchar *)uri->fg_color, NULL);
2320                 uri->end = gtk_text_iter_get_offset(&start);
2321                 textview_make_clickable_parts_later(textview,
2322                                           uri->start, uri->end);
2323                 uri->q_expanded = TRUE;
2324         } else {
2325                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2326                 gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2327                 textview_remove_uris_in(textview, uri->start, uri->end);
2328                 textview_shift_uris_after(textview, start_list, uri->start, 
2329                         strlen(" [...]\n")-g_utf8_strlen((gchar *)uri->data, -1));
2330                 gtk_text_buffer_delete(buffer, &start, &end);
2331                 gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2332                 gtk_text_buffer_insert_with_tags_by_name
2333                                 (buffer, &start, " [...]", -1,
2334                                  "qlink", (gchar *)uri->fg_color, NULL);
2335                 uri->end = gtk_text_iter_get_offset(&start);
2336                 uri->q_expanded = FALSE;
2337         }
2338         if (textview->messageview->mainwin->cursor_count == 0) {
2339                 textview_cursor_normal(textview);
2340         } else {
2341                 textview_cursor_wait(textview);
2342         }
2343 }
2344 static gboolean textview_uri_button_pressed(GtkTextTag *tag, GObject *obj,
2345                                             GdkEvent *event, GtkTextIter *iter,
2346                                             TextView *textview)
2347 {
2348         GdkEventButton *bevent;
2349         ClickableText *uri = NULL;
2350         char *tagname;
2351         gboolean qlink = FALSE;
2352
2353         if (!event)
2354                 return FALSE;
2355
2356         if (event->type != GDK_BUTTON_PRESS && event->type != GDK_2BUTTON_PRESS
2357                 && event->type != GDK_MOTION_NOTIFY)
2358                 return FALSE;
2359
2360         uri = textview_get_uri(textview, iter, tag);
2361         if (!uri)
2362                 return FALSE;
2363
2364         g_object_get(G_OBJECT(tag), "name", &tagname, NULL);
2365         
2366         if (!strcmp(tagname, "qlink"))
2367                 qlink = TRUE;
2368
2369         g_free(tagname);
2370         
2371         bevent = (GdkEventButton *) event;
2372         
2373         /* doubleclick: open compose / add address / browser */
2374         if (qlink && event->type == GDK_BUTTON_PRESS && bevent->button != 1) {
2375                 /* pass rightclick through */
2376                 return FALSE;
2377         } else if ((event->type == (qlink ? GDK_2BUTTON_PRESS:GDK_BUTTON_PRESS) && bevent->button == 1) ||
2378                 bevent->button == 2 || bevent->button == 3) {
2379                 if (uri->filename && !g_ascii_strncasecmp(uri->filename, "sc://", 5)) {
2380                         MimeView *mimeview = 
2381                                 (textview->messageview)?
2382                                         textview->messageview->mimeview:NULL;
2383                         if (mimeview && bevent->button == 1) {
2384                                 mimeview_handle_cmd(mimeview, uri->filename, NULL, uri->data);
2385                         } else if (mimeview && bevent->button == 2 && 
2386                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2387                                 mimeview_handle_cmd(mimeview, "sc://open_attachment", NULL, uri->data);
2388                         } else if (mimeview && bevent->button == 3 && 
2389                                 !g_ascii_strcasecmp(uri->filename, "sc://select_attachment")) {
2390                                 mimeview_handle_cmd(mimeview, "sc://menu_attachment", bevent, uri->data);
2391                         } 
2392                         return TRUE;
2393                 } else if (qlink && bevent->button == 1) {
2394                         textview_toggle_quote(textview, NULL, uri, FALSE);
2395                         return TRUE;
2396                 } else if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) {
2397                         if (bevent->button == 3) {
2398                                 g_object_set_data(
2399                                         G_OBJECT(textview->mail_popup_menu),
2400                                         "menu_button", uri);
2401                                 gtk_menu_popup(GTK_MENU(textview->mail_popup_menu), 
2402                                                NULL, NULL, NULL, NULL, 
2403                                                bevent->button, bevent->time);
2404                         } else {
2405                                 PrefsAccount *account = NULL;
2406                                 FolderItem   *folder_item = NULL;
2407                                 if (textview->messageview && textview->messageview->msginfo &&
2408                                     textview->messageview->msginfo->folder) {
2409                                         
2410
2411                                         folder_item = textview->messageview->msginfo->folder;
2412                                         if (folder_item->prefs && folder_item->prefs->enable_default_account)
2413                                                 account = account_find_from_id(folder_item->prefs->default_account);
2414                                 }
2415                                 compose_new_with_folderitem(account, folder_item, uri->uri + 7);
2416                         }
2417                         return TRUE;
2418                 } else if (g_ascii_strncasecmp(uri->uri, "file:", 5)) {
2419                         if (bevent->button == 1 &&
2420                             textview_uri_security_check(textview, uri) == TRUE) 
2421                                         open_uri(uri->uri,
2422                                                  prefs_common.uri_cmd);
2423                         else if (bevent->button == 3 && !qlink) {
2424                                 g_object_set_data(
2425                                         G_OBJECT(textview->link_popup_menu),
2426                                         "menu_button", uri);
2427                                 gtk_menu_popup(GTK_MENU(textview->link_popup_menu), 
2428                                                NULL, NULL, NULL, NULL, 
2429                                                bevent->button, bevent->time);
2430                         }
2431                         return TRUE;
2432                 } else {
2433                         if (bevent->button == 3 && !qlink) {
2434                                 g_object_set_data(
2435                                         G_OBJECT(textview->file_popup_menu),
2436                                         "menu_button", uri);
2437                                 gtk_menu_popup(GTK_MENU(textview->file_popup_menu), 
2438                                                NULL, NULL, NULL, NULL, 
2439                                                bevent->button, bevent->time);
2440                                 return TRUE;
2441                         }
2442                 }
2443         }
2444
2445         return FALSE;
2446 }
2447
2448 gchar *textview_get_visible_uri         (TextView       *textview, 
2449                                          ClickableText  *uri)
2450 {
2451         GtkTextBuffer *buffer;
2452         GtkTextIter start, end;
2453
2454         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text));
2455
2456         gtk_text_buffer_get_iter_at_offset(buffer, &start, uri->start);
2457         gtk_text_buffer_get_iter_at_offset(buffer, &end,   uri->end);
2458
2459         return gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
2460 }
2461
2462 /*!
2463  *\brief    Check to see if a web URL has been disguised as a different
2464  *          URL (possible with HTML email).
2465  *
2466  *\param    uri The uri to check
2467  *
2468  *\param    textview The TextView the URL is contained in
2469  *
2470  *\return   gboolean TRUE if the URL is ok, or if the user chose to open
2471  *          it anyway, otherwise FALSE          
2472  */
2473 gboolean textview_uri_security_check(TextView *textview, ClickableText *uri)
2474 {
2475         gchar *visible_str;
2476         gboolean retval = TRUE;
2477
2478         if (is_uri_string(uri->uri) == FALSE)
2479                 return TRUE;
2480
2481         visible_str = textview_get_visible_uri(textview, uri);
2482         if (visible_str == NULL)
2483                 return TRUE;
2484
2485         if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) {
2486                 gchar *uri_path;
2487                 gchar *visible_uri_path;
2488
2489                 uri_path = get_uri_path(uri->uri);
2490                 visible_uri_path = get_uri_path(visible_str);
2491                 if (path_cmp(uri_path, visible_uri_path) != 0)
2492                         retval = FALSE;
2493         }
2494
2495         if (retval == FALSE) {
2496                 gchar *msg;
2497                 AlertValue aval;
2498
2499                 msg = g_markup_printf_escaped(_("The real URL is different from "
2500                                                 "the displayed URL.\n"
2501                                                 "\n"
2502                                                 "<b>Displayed URL:</b> %s\n"
2503                                                 "\n"
2504                                                 "<b>Real URL:</b> %s\n"
2505                                                 "\n"
2506                                                 "Open it anyway?"),
2507                                                visible_str,uri->uri);
2508                 aval = alertpanel_full(_("Phishing attempt warning"), msg,
2509                                        GTK_STOCK_CANCEL, _("_Open URL"), NULL, FALSE,
2510                                        NULL, ALERT_WARNING, G_ALERTDEFAULT);
2511                 g_free(msg);
2512                 if (aval == G_ALERTALTERNATE)
2513                         retval = TRUE;
2514         }
2515
2516         g_free(visible_str);
2517
2518         return retval;
2519 }
2520
2521 static void textview_uri_list_remove_all(GSList *uri_list)
2522 {
2523         GSList *cur;
2524
2525         for (cur = uri_list; cur != NULL; cur = cur->next) {
2526                 if (cur->data) {
2527                         g_free(((ClickableText *)cur->data)->uri);
2528                         g_free(((ClickableText *)cur->data)->filename);
2529                         if (((ClickableText *)cur->data)->is_quote) {
2530                                 g_free(((ClickableText *)cur->data)->fg_color);
2531                                 g_free(((ClickableText *)cur->data)->data); 
2532                                 /* (only free data in quotes uris) */
2533                         }
2534                         g_free(cur->data);
2535                 }
2536         }
2537
2538         g_slist_free(uri_list);
2539 }
2540
2541 static void open_uri_cb (TextView *textview, guint action, void *data)
2542 {
2543         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2544                                            "menu_button");
2545         if (uri == NULL)
2546                 return;
2547
2548         if (textview_uri_security_check(textview, uri) == TRUE) 
2549                 open_uri(uri->uri,
2550                          prefs_common.uri_cmd);
2551         g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2552                           NULL);
2553 }
2554
2555 static void open_image_cb (TextView *textview, guint action, void *data)
2556 {
2557         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2558                                            "menu_button");
2559
2560         gchar *cmd = NULL;
2561         gchar buf[1024];
2562         const gchar *p;
2563         gchar *filename = NULL;
2564         gchar *tmp_filename = NULL;
2565
2566         if (uri == NULL)
2567                 return;
2568
2569         if (uri->filename == NULL)
2570                 return;
2571         
2572         filename = g_strdup(uri->filename);
2573         
2574         if (!g_utf8_validate(filename, -1, NULL)) {
2575                 gchar *tmp = conv_filename_to_utf8(filename);
2576                 g_free(filename);
2577                 filename = tmp;
2578         }
2579
2580         subst_for_filename(filename);
2581
2582         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2583         copy_file(tmp_filename, filename, FALSE);
2584         g_free(tmp_filename);
2585
2586         cmd = mailcap_get_command_for_type("image/jpeg", filename);
2587         if (cmd == NULL) {
2588                 gboolean remember = FALSE;
2589                 cmd = input_dialog_combo_remember
2590                         (_("Open with"),
2591                          _("Enter the command line to open file:\n"
2592                            "('%s' will be replaced with file name)"),
2593                          prefs_common.mime_open_cmd,
2594                          prefs_common.mime_open_cmd_history,
2595                          TRUE, &remember);
2596                 if (cmd && remember) {
2597                         mailcap_update_default("image/jpeg", cmd);
2598                 }
2599         }
2600         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2601             !strchr(p + 2, '%'))
2602                 g_snprintf(buf, sizeof(buf), cmd, filename);
2603         else {
2604                 g_warning("Image viewer command line is invalid: '%s'", cmd);
2605                 return;
2606         }
2607
2608         execute_command_line(buf, TRUE);
2609
2610         g_free(filename);
2611         g_free(cmd);
2612
2613         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2614                           NULL);
2615 }
2616
2617 static void save_file_cb (TextView *textview, guint action, void *data)
2618 {
2619         ClickableText *uri = g_object_get_data(G_OBJECT(textview->file_popup_menu),
2620                                            "menu_button");
2621         gchar *filename = NULL;
2622         gchar *filepath = NULL;
2623         gchar *filedir = NULL;
2624         gchar *tmp_filename = NULL;
2625         if (uri == NULL)
2626                 return;
2627
2628         if (uri->filename == NULL)
2629                 return;
2630         
2631         filename = g_strdup(uri->filename);
2632         
2633         if (!g_utf8_validate(filename, -1, NULL)) {
2634                 gchar *tmp = conv_filename_to_utf8(filename);
2635                 g_free(filename);
2636                 filename = tmp;
2637         }
2638
2639         subst_for_filename(filename);
2640         
2641         if (prefs_common.attach_save_dir)
2642                 filepath = g_strconcat(prefs_common.attach_save_dir,
2643                                        G_DIR_SEPARATOR_S, filename, NULL);
2644         else
2645                 filepath = g_strdup(filename);
2646
2647         g_free(filename);
2648
2649         filename = filesel_select_file_save(_("Save as"), filepath);
2650         if (!filename) {
2651                 g_free(filepath);
2652                 return;
2653         }
2654
2655         if (is_file_exist(filename)) {
2656                 AlertValue aval;
2657                 gchar *res;
2658                 
2659                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
2660                                       filename);
2661                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL, 
2662                                   GTK_STOCK_OK, NULL);
2663                 g_free(res);                                      
2664                 if (G_ALERTALTERNATE != aval)
2665                         return;
2666         }
2667
2668         tmp_filename = g_filename_from_uri(uri->uri, NULL, NULL);
2669         copy_file(tmp_filename, filename, FALSE);
2670         g_free(tmp_filename);
2671         
2672         filedir = g_path_get_dirname(filename);
2673         if (filedir && strcmp(filedir, ".")) {
2674                 g_free(prefs_common.attach_save_dir);
2675                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
2676         }
2677
2678         g_free(filedir);
2679         g_free(filepath);
2680
2681         g_object_set_data(G_OBJECT(textview->file_popup_menu), "menu_button",
2682                           NULL);
2683 }
2684
2685 static void copy_uri_cb (TextView *textview, guint action, void *data)
2686 {
2687         ClickableText *uri = g_object_get_data(G_OBJECT(textview->link_popup_menu),
2688                                            "menu_button");
2689         if (uri == NULL)
2690                 return;
2691
2692         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri, -1);
2693         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri, -1);
2694         g_object_set_data(G_OBJECT(textview->link_popup_menu), "menu_button",
2695                           NULL);
2696 }
2697
2698 static void add_uri_to_addrbook_cb (TextView *textview, guint action, void *data)
2699 {
2700         gchar *fromname, *fromaddress;
2701         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2702                                            "menu_button");
2703         if (uri == NULL)
2704                 return;
2705
2706         /* extract url */
2707         fromaddress = g_strdup(uri->uri + 7);
2708         /* Hiroyuki: please put this function in utils.c! */
2709         fromname = procheader_get_fromname(fromaddress);
2710         extract_address(fromaddress);
2711
2712         /* Add to address book - Match */
2713         addressbook_add_contact( fromname, fromaddress, NULL );
2714
2715         g_free(fromaddress);
2716         g_free(fromname);
2717 }
2718
2719 static void mail_to_uri_cb (TextView *textview, guint action, void *data)
2720 {
2721         PrefsAccount *account = NULL;
2722         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2723                                            "menu_button");
2724         if (uri == NULL)
2725                 return;
2726
2727         if (textview->messageview && textview->messageview->msginfo &&
2728             textview->messageview->msginfo->folder) {
2729                 FolderItem   *folder_item;
2730
2731                 folder_item = textview->messageview->msginfo->folder;
2732                 if (folder_item->prefs && folder_item->prefs->enable_default_account)
2733                         account = account_find_from_id(folder_item->prefs->default_account);
2734         }
2735         compose_new(account, uri->uri + 7, NULL);
2736 }
2737
2738 static void copy_mail_to_uri_cb (TextView *textview, guint action, void *data)
2739 {
2740         ClickableText *uri = g_object_get_data(G_OBJECT(textview->mail_popup_menu),
2741                                            "menu_button");
2742         if (uri == NULL)
2743                 return;
2744
2745         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), uri->uri +7, -1);
2746         gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD), uri->uri +7, -1);
2747         g_object_set_data(G_OBJECT(textview->mail_popup_menu), "menu_button",
2748                           NULL);
2749 }
2750
2751 void textview_get_selection_offsets(TextView *textview, gint *sel_start, gint *sel_end)
2752 {
2753                 GtkTextView *text = GTK_TEXT_VIEW(textview->text);
2754                 GtkTextBuffer *buffer = gtk_text_view_get_buffer(text);
2755                 GtkTextIter start, end;
2756                 if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
2757                         if (sel_start)
2758                                 *sel_start = gtk_text_iter_get_offset(&start);
2759                         if (sel_end)
2760                                 *sel_end = gtk_text_iter_get_offset(&end);
2761                 } else {
2762                         if (sel_start)
2763                                 *sel_start = -1;
2764                         if (sel_end)
2765                                 *sel_end = -1;
2766                 }
2767 }