src/textview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 Hiroyuki Yamamoto
   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 <gdk/gdk.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtkvbox.h>
  30 #include <gtk/gtkscrolledwindow.h>
  31 #include <gtk/gtktext.h>
  32 #include <gtk/gtksignal.h>
  33 #include <stdio.h>
  34 #include <ctype.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37
  38 #include "intl.h"
  39 #include "main.h"
  40 #include "summaryview.h"
  41 #include "procheader.h"
  42 #include "prefs_common.h"
  43 #include "codeconv.h"
  44 #include "utils.h"
  45 #include "gtkutils.h"
  46 #include "procmime.h"
  47 #include "html.h"
  48 #include "compose.h"
  49 #include "addressbook.h"
  50 #include "displayheader.h"
  51
  52 #define FONT_LOAD(font, s) \
  53 { \
  54         gchar *fontstr, *p; \
  55  \
  56         Xstrdup_a(fontstr, s, ); \
  57         if ((p = strchr(fontstr, ',')) != NULL) *p = '\0'; \
  58         font = gdk_font_load(fontstr); \
  59 }
  60
  61 typedef struct _RemoteURI       RemoteURI;
  62
  63 struct _RemoteURI
  64 {
  65         gchar *uri;
  66
  67         guint start;
  68         guint end;
  69 };
  70
  71 static GdkColor quote_colors[3] = {
  72         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  73         {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
  74         {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
  75 };
  76
  77 static GdkColor uri_color = {
  78         (gulong)0,
  79         (gushort)0,
  80         (gushort)0,
  81         (gushort)0
  82 };
  83
  84 static GdkColor emphasis_color = {
  85         (gulong)0,
  86         (gushort)0,
  87         (gushort)0,
  88         (gushort)0xcfff
  89 };
  90
  91 static GdkColor error_color = {
  92         (gulong)0,
  93         (gushort)0xefff,
  94         (gushort)0,
  95         (gushort)0
  96 };
  97
  98 static GdkFont *spacingfont;
  99
 100 static void textview_show_html          (TextView       *textview,
 101                                          FILE           *fp,
 102                                          CodeConverter  *conv);
 103 static void textview_write_line         (TextView       *textview,
 104                                          const gchar    *str,
 105                                          CodeConverter  *conv);
 106 static GPtrArray *textview_scan_header  (TextView       *textview,
 107                                          FILE           *fp);
 108 static void textview_show_header        (TextView       *textview,
 109                                          GPtrArray      *headers);
 110
 111 static void textview_key_pressed        (GtkWidget      *widget,
 112                                          GdkEventKey    *event,
 113                                          TextView       *textview);
 114 static void textview_button_pressed     (GtkWidget      *widget,
 115                                          GdkEventButton *event,
 116                                          TextView       *textview);
 117
 118 static void textview_uri_list_remove_all(GSList         *uri_list);
 119
 120 static void textview_smooth_scroll_do           (TextView       *textview,
 121                                                  gfloat          old_value,
 122                                                  gfloat          last_value,
 123                                                  gint            step);
 124 static void textview_smooth_scroll_one_line     (TextView       *textview,
 125                                                  gboolean        up);
 126 static gboolean textview_smooth_scroll_page     (TextView       *textview,
 127                                                  gboolean        up);
 128
 129
 130 TextView *textview_create(void)
 131 {
 132         TextView *textview;
 133         GtkWidget *vbox;
 134         GtkWidget *scrolledwin_sb;
 135         GtkWidget *scrolledwin_mb;
 136         GtkWidget *text_sb;
 137         GtkWidget *text_mb;
 138
 139         debug_print(_("Creating text view...\n"));
 140         textview = g_new0(TextView, 1);
 141
 142         scrolledwin_sb = gtk_scrolled_window_new(NULL, NULL);
 143         scrolledwin_mb = gtk_scrolled_window_new(NULL, NULL);
 144         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_sb),
 145                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 146         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_mb),
 147                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 148         gtk_widget_set_usize(scrolledwin_sb, prefs_common.mainview_width, -1);
 149         gtk_widget_set_usize(scrolledwin_mb, prefs_common.mainview_width, -1);
 150
 151         /* create GtkText widgets for single-byte and multi-byte character */
 152         text_sb = gtk_text_new(NULL, NULL);
 153         text_mb = gtk_text_new(NULL, NULL);
 154         gtk_widget_show(text_sb);
 155         gtk_widget_show(text_mb);
 156         gtk_text_set_word_wrap(GTK_TEXT(text_sb), TRUE);
 157         gtk_text_set_word_wrap(GTK_TEXT(text_mb), TRUE);
 158         gtk_widget_ensure_style(text_sb);
 159         gtk_widget_ensure_style(text_mb);
 160         if (text_sb->style && text_sb->style->font->type == GDK_FONT_FONTSET) {
 161                 GtkStyle *style;
 162
 163                 style = gtk_style_copy(text_sb->style);
 164                 gdk_font_unref(style->font);
 165                 FONT_LOAD(style->font, NORMAL_FONT);
 166                 gtk_widget_set_style(text_sb, style);
 167         }
 168         if (text_mb->style && text_mb->style->font->type == GDK_FONT_FONT) {
 169                 GtkStyle *style;
 170
 171                 style = gtk_style_copy(text_mb->style);
 172                 gdk_font_unref(style->font);
 173                 style->font = gdk_fontset_load(NORMAL_FONT);
 174                 gtk_widget_set_style(text_mb, style);
 175         }
 176         gtk_widget_ref(scrolledwin_sb);
 177         gtk_widget_ref(scrolledwin_mb);
 178
 179         gtk_container_add(GTK_CONTAINER(scrolledwin_sb), text_sb);
 180         gtk_container_add(GTK_CONTAINER(scrolledwin_mb), text_mb);
 181         gtk_signal_connect(GTK_OBJECT(text_sb), "key_press_event",
 182                            GTK_SIGNAL_FUNC(textview_key_pressed),
 183                            textview);
 184         gtk_signal_connect(GTK_OBJECT(text_sb), "button_press_event",
 185                            GTK_SIGNAL_FUNC(textview_button_pressed),
 186                            textview);
 187         gtk_signal_connect(GTK_OBJECT(text_mb), "key_press_event",
 188                            GTK_SIGNAL_FUNC(textview_key_pressed),
 189                            textview);
 190         gtk_signal_connect(GTK_OBJECT(text_mb), "button_press_event",
 191                            GTK_SIGNAL_FUNC(textview_button_pressed),
 192                            textview);
 193
 194         gtk_widget_show(scrolledwin_sb);
 195         gtk_widget_show(scrolledwin_mb);
 196
 197         vbox = gtk_vbox_new(FALSE, 0);
 198         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin_sb, TRUE, TRUE, 0);
 199
 200         textview->vbox           = vbox;
 201         textview->scrolledwin    = scrolledwin_sb;
 202         textview->scrolledwin_sb = scrolledwin_sb;
 203         textview->scrolledwin_mb = scrolledwin_mb;
 204         textview->text           = text_sb;
 205         textview->text_sb        = text_sb;
 206         textview->text_mb        = text_mb;
 207         textview->text_is_mb     = FALSE;
 208         textview->uri_list       = NULL;
 209
 210         return textview;
 211 }
 212
 213 void textview_init(TextView *textview)
 214 {
 215         gtkut_widget_disable_theme_engine(textview->text_sb);
 216         gtkut_widget_disable_theme_engine(textview->text_mb);
 217         textview_update_message_colors();
 218         textview_set_font(textview, NULL);
 219 }
 220
 221 void textview_update_message_colors(void)
 222 {
 223         GdkColor black = {0, 0, 0, 0};
 224
 225         if (prefs_common.enable_color) {
 226                 /* grab the quote colors, converting from an int to a GdkColor */
 227                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
 228                                                &quote_colors[0]);
 229                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
 230                                                &quote_colors[1]);
 231                 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
 232                                                &quote_colors[2]);
 233                 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
 234                                                &uri_color);
 235         } else {
 236                 quote_colors[0] = quote_colors[1] = quote_colors[2] =
 237                         uri_color = emphasis_color = black;
 238         }
 239 }
 240
 241 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
 242                            const gchar *file)
 243 {
 244         FILE *fp;
 245
 246         if ((fp = fopen(file, "r")) == NULL) {
 247                 FILE_OP_ERROR(file, "fopen");
 248                 return;
 249         }
 250
 251         textview_show_part(textview, mimeinfo, fp);
 252
 253         fclose(fp);
 254 }
 255
 256 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
 257 {
 258         GtkText *text;
 259         gchar buf[BUFFSIZE];
 260         const gchar *boundary = NULL;
 261         gint boundary_len = 0;
 262         const gchar *charset = NULL;
 263         FILE *tmpfp;
 264         GPtrArray *headers = NULL;
 265         CodeConverter *conv;
 266
 267         g_return_if_fail(mimeinfo != NULL);
 268         g_return_if_fail(fp != NULL);
 269
 270         if (mimeinfo->mime_type == MIME_MULTIPART) {
 271                 if (mimeinfo->sub) {
 272                         mimeinfo = mimeinfo->sub;
 273                         if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) {
 274                                 perror("fseek");
 275                                 return;
 276                         }
 277                 } else
 278                         return;
 279         }
 280         if (mimeinfo->parent && mimeinfo->parent->boundary) {
 281                 boundary = mimeinfo->parent->boundary;
 282                 boundary_len = strlen(boundary);
 283         }
 284
 285         if (!boundary && mimeinfo->mime_type == MIME_TEXT) {
 286                 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
 287                         perror("fseek");
 288                 headers = textview_scan_header(textview, fp);
 289         } else {
 290                 if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) {
 291                         glong fpos;
 292
 293                         if ((fpos = ftell(fp)) < 0)
 294                                 perror("ftell");
 295                         else if (fseek(fp, mimeinfo->parent->fpos, SEEK_SET)
 296                                  < 0)
 297                                 perror("fseek");
 298                         else {
 299                                 headers = textview_scan_header(textview, fp);
 300                                 if (fseek(fp, fpos, SEEK_SET) < 0)
 301                                         perror("fseek");
 302                         }
 303                 }
 304                 while (fgets(buf, sizeof(buf), fp) != NULL)
 305                         if (buf[0] == '\r' || buf[0] == '\n') break;
 306         }
 307
 308         /* display attached RFC822 single text message */
 309         if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
 310                 if (headers) procheader_header_array_destroy(headers);
 311                 if (!mimeinfo->sub || mimeinfo->sub->children) return;
 312                 headers = textview_scan_header(textview, fp);
 313                 mimeinfo = mimeinfo->sub;
 314         } else if (!mimeinfo->parent &&
 315                    mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
 316                 if (headers) procheader_header_array_destroy(headers);
 317                 if (!mimeinfo->sub) return;
 318                 headers = textview_scan_header(textview, fp);
 319                 mimeinfo = mimeinfo->sub;
 320         }
 321
 322         if (prefs_common.force_charset)
 323                 charset = prefs_common.force_charset;
 324         else if (mimeinfo->charset)
 325                 charset = mimeinfo->charset;
 326         textview_set_font(textview, charset);
 327
 328         conv = conv_code_converter_new(charset);
 329
 330         textview_clear(textview);
 331         text = GTK_TEXT(textview->text);
 332         gtk_text_freeze(text);
 333
 334         if (headers) {
 335                 textview_show_header(textview, headers);
 336                 procheader_header_array_destroy(headers);
 337         }
 338
 339         tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
 340         if (tmpfp) {
 341                 if (mimeinfo->mime_type == MIME_TEXT_HTML)
 342                         textview_show_html(textview, tmpfp, conv);
 343                 else
 344                         while (fgets(buf, sizeof(buf), tmpfp) != NULL)
 345                                 textview_write_line(textview, buf, conv);
 346                 fclose(tmpfp);
 347         }
 348
 349         conv_code_converter_destroy(conv);
 350
 351         gtk_text_thaw(text);
 352 }
 353
 354 #define TEXT_INSERT(str) \
 355         gtk_text_insert(text, textview->msgfont, NULL, NULL, str, -1)
 356
 357 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 358 {
 359         GtkText *text;
 360
 361         if (!partinfo) return;
 362
 363         textview_set_font(textview, NULL);
 364         text = GTK_TEXT(textview->text);
 365         textview_clear(textview);
 366
 367         gtk_text_freeze(text);
 368
 369         TEXT_INSERT(_("To save this part, pop up the context menu with "));
 370         TEXT_INSERT(_("right click and select `Save as...', "));
 371         TEXT_INSERT(_("or press `y' key.\n\n"));
 372
 373         TEXT_INSERT(_("To display this part as a text message, select "));
 374         TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
 375
 376         TEXT_INSERT(_("To open this part with external program, select "));
 377         TEXT_INSERT(_("`Open' or `Open with...', "));
 378         TEXT_INSERT(_("or double-click, or click the center button, "));
 379         TEXT_INSERT(_("or press `l' key."));
 380
 381         gtk_text_thaw(text);
 382 }
 383
 384 #if USE_GPGME
 385 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
 386 {
 387         GtkText *text;
 388
 389         if (!partinfo) return;
 390
 391         textview_set_font(textview, NULL);
 392         text = GTK_TEXT(textview->text);
 393         textview_clear(textview);
 394
 395         gtk_text_freeze(text);
 396
 397         if (partinfo->sigstatus_full == NULL) {
 398                 TEXT_INSERT(_("This signature has not been checked yet.\n"));
 399                 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
 400                 TEXT_INSERT(_("right click and select `Check signature'.\n"));
 401         } else {
 402                 TEXT_INSERT(partinfo->sigstatus_full);
 403         }
 404
 405         gtk_text_thaw(text);
 406 }
 407 #endif /* USE_GPGME */
 408
 409 #undef TEXT_INSERT
 410
 411 static void textview_show_html(TextView *textview, FILE *fp,
 412                                CodeConverter *conv)
 413 {
 414         HTMLParser *parser;
 415         gchar *str;
 416
 417         parser = html_parser_new(fp, conv);
 418         g_return_if_fail(parser != NULL);
 419
 420         while ((str = html_parse(parser)) != NULL) {
 421                 textview_write_line(textview, str, NULL);
 422         }
 423         html_parser_destroy(parser);
 424 }
 425
 426 /* get_uri_part() - retrieves a URI starting from scanpos.
 427                     Returns TRUE if succesful */
 428 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
 429                              const gchar **bp, const gchar **ep)
 430 {
 431         const gchar *ep_;
 432
 433         g_return_val_if_fail(start != NULL, FALSE);
 434         g_return_val_if_fail(scanpos != NULL, FALSE);
 435         g_return_val_if_fail(bp != NULL, FALSE);
 436         g_return_val_if_fail(ep != NULL, FALSE);
 437
 438         *bp = scanpos;
 439
 440         /* find end point of URI */
 441         for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
 442                 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
 443                         break;
 444         }
 445
 446         /* no punctuation at end of string */
 447
 448         /* FIXME: this stripping of trailing punctuations may bite with other URIs.
 449          * should pass some URI type to this function and decide on that whether
 450          * to perform punctuation stripping */
 451
 452 #define IS_REAL_PUNCT(ch) \
 453         (ispunct(ch) && ((ch) != '/'))
 454
 455         for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
 456                 ;
 457
 458 #undef IS_REAL_PUNCT
 459
 460         *ep = ep_;
 461
 462         return TRUE;
 463 }
 464
 465 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
 466 {
 467         return g_strndup(bp, ep - bp);
 468 }
 469
 470 /* valid mail address characters */
 471 #define IS_RFC822_CHAR(ch) \
 472         (isascii(ch) && \
 473          (ch) > 32   && \
 474          (ch) != 127 && \
 475          !isspace(ch) && \
 476          !strchr("()<>\"", (ch)))
 477
 478 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
 479
 480 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
 481 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
 482                                const gchar **bp, const gchar **ep)
 483 {
 484         /* more complex than the uri part because we need to scan back and forward starting from
 485          * the scan position. */
 486         gboolean result = FALSE;
 487         const gchar *bp_ = NULL;
 488         const gchar *ep_ = NULL;
 489
 490         /* the informative part of the email address (describing the name
 491          * of the email address owner) may contain quoted parts. the
 492          * closure stack stores the last encountered quotes. */
 493         gchar closure_stack[128];
 494         gchar *ptr = closure_stack;
 495
 496         g_return_val_if_fail(start != NULL, FALSE);
 497         g_return_val_if_fail(scanpos != NULL, FALSE);
 498         g_return_val_if_fail(bp != NULL, FALSE);
 499         g_return_val_if_fail(ep != NULL, FALSE);
 500
 501         /* scan start of address */
 502         for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
 503                 ;
 504
 505         /* TODO: should start with an alnum? */
 506         bp_++;
 507         for (; bp_ < scanpos && !isalnum(*bp_); bp_++)
 508                 ;
 509
 510         if (bp_ != scanpos) {
 511                 /* scan end of address */
 512                 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
 513                         ;
 514
 515                 /* TODO: really should terminate with an alnum? */
 516                 for (; ep_ > scanpos  && !isalnum(*ep_); --ep_)
 517                         ;
 518                 ep_++;
 519
 520                 if (ep_ > scanpos + 1) {
 521                         *ep = ep_;
 522                         *bp = bp_;
 523                         result = TRUE;
 524                 }
 525         }
 526
 527         if (!result) return FALSE;
 528
 529         /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
 530         if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
 531                 return FALSE;
 532
 533         /* see if this is <bracketed>; in this case we also scan for the informative part. */
 534         if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
 535                 return TRUE;
 536
 537 #define FULL_STACK()    ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
 538 #define IN_STACK()      (ptr > closure_stack)
 539 /* has underrun check */
 540 #define POP_STACK()     if(IN_STACK()) --ptr
 541 /* has overrun check */
 542 #define PUSH_STACK(c)   if(!FULL_STACK()) *ptr++ = (c); else return TRUE
 543 /* has underrun check */
 544 #define PEEK_STACK()    (IN_STACK() ? *(ptr - 1) : 0)
 545
 546         ep_++;
 547
 548         /* scan for the informative part. */
 549         for (bp_ -= 2; bp_ >= start; bp_--) {
 550                 /* if closure on the stack keep scanning */
 551                 if (PEEK_STACK() == *bp_) {
 552                         POP_STACK();
 553                         continue;
 554                 }
 555                 if (*bp_ == '\'' || *bp_ == '"') {
 556                         PUSH_STACK(*bp_);
 557                         continue;
 558                 }
 559
 560                 /* if nothing in the closure stack, do the special conditions
 561                  * the following if..else expression simply checks whether
 562                  * a token is acceptable. if not acceptable, the clause
 563                  * should terminate the loop with a 'break' */
 564                 if (!PEEK_STACK()) {
 565                         if (*bp_ == '-'
 566                         && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
 567                         && (((bp_ + 1) < ep_)    && isalnum(*(bp_ + 1)))) {
 568                                 /* hyphens are allowed, but only in
 569                                    between alnums */
 570                         } else if (!ispunct(*bp_)) {
 571                                 /* but anything not being a punctiation
 572                                    is ok */
 573                         } else {
 574                                 break; /* anything else is rejected */
 575                         }
 576                 }
 577         }
 578
 579         bp_++;
 580
 581 #undef PEEK_STACK
 582 #undef PUSH_STACK
 583 #undef POP_STACK
 584 #undef IN_STACK
 585 #undef FULL_STACK
 586
 587         /* scan forward (should start with an alnum) */
 588         for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
 589                 ;
 590
 591         *ep = ep_;
 592         *bp = bp_;
 593
 594         return result;
 595 }
 596
 597 #undef IS_QUOTE
 598 #undef IS_RFC822_CHAR
 599
 600 static gchar *make_email_string(const gchar *bp, const gchar *ep)
 601 {
 602         /* returns a mailto: URI; mailto: is also used to detect the
 603          * uri type later on in the button_pressed signal handler */
 604         gchar *tmp;
 605         gchar *result;
 606
 607         tmp = g_strndup(bp, ep - bp);
 608         result = g_strconcat("mailto:", tmp, NULL);
 609         g_free(tmp);
 610
 611         return result;
 612 }
 613
 614 #define ADD_TXT_POS(bp_, ep_, pti_) \
 615         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
 616                 last = last->next; \
 617                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
 618                 last->next = NULL; \
 619         } else { \
 620                 g_warning("alloc error scanning URIs\n"); \
 621                 gtk_text_insert(text, textview->msgfont, fg_color, NULL, \
 622                                 linebuf, -1); \
 623                 return; \
 624         }
 625
 626 /* textview_make_clickable_parts() - colorizes clickable parts */
 627 static void textview_make_clickable_parts(TextView *textview,
 628                                           GdkFont *font,
 629                                           GdkColor *fg_color,
 630                                           GdkColor *uri_color,
 631                                           const gchar *linebuf)
 632 {
 633         /* parse table - in order of priority */
 634         struct table {
 635                 const gchar *needle; /* token */
 636
 637                 /* token search function */
 638                 gchar    *(*search)     (const gchar *haystack,
 639                                          const gchar *needle);
 640                 /* part parsing function */
 641                 gboolean  (*parse)      (const gchar *start,
 642                                          const gchar *scanpos,
 643                                          const gchar **bp_,
 644                                          const gchar **ep_);
 645                 /* part to URI function */
 646                 gchar    *(*build_uri)  (const gchar *bp,
 647                                          const gchar *ep);
 648         };
 649
 650         static struct table parser[] = {
 651                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
 652                 {"https://", strcasestr, get_uri_part,   make_uri_string},
 653                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
 654                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
 655                 {"@",        strcasestr, get_email_part, make_email_string}
 656         };
 657         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
 658
 659         gint  n;
 660         const gchar *walk, *bp, *ep;
 661
 662         struct txtpos {
 663                 const gchar     *bp, *ep;       /* text position */
 664                 gint             pti;           /* index in parse table */
 665                 struct txtpos   *next;          /* next */
 666         } head = {NULL, NULL, 0,  NULL}, *last = &head;
 667
 668         GtkText *text = GTK_TEXT(textview->text);
 669
 670         /* parse for clickable parts, and build a list of begin and end positions  */
 671         for (walk = linebuf, n = 0;;) {
 672                 gint last_index = PARSE_ELEMS;
 673                 gchar *scanpos = NULL;
 674
 675                 /* FIXME: this looks phony. scanning for anything in the parse table */
 676                 for (n = 0; n < PARSE_ELEMS; n++) {
 677                         gchar *tmp;
 678
 679                         tmp = parser[n].search(walk, parser[n].needle);
 680                         if (tmp) {
 681                                 if (scanpos == NULL || tmp < scanpos) {
 682                                         scanpos = tmp;
 683                                         last_index = n;
 684                                 }
 685                         }
 686                 }
 687
 688                 if (scanpos) {
 689                         /* check if URI can be parsed */
 690                         if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
 691                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
 692                                         ADD_TXT_POS(bp, ep, last_index);
 693                                         walk = ep;
 694                         } else
 695                                 walk = scanpos +
 696                                         strlen(parser[last_index].needle);
 697                 } else
 698                         break;
 699         }
 700
 701         /* colorize this line */
 702         if (head.next) {
 703                 const gchar *normal_text = linebuf;
 704
 705                 /* insert URIs */
 706                 for (last = head.next; last != NULL;
 707                      normal_text = last->ep, last = last->next) {
 708                         RemoteURI *uri;
 709
 710                         uri = g_new(RemoteURI, 1);
 711                         if (last->bp - normal_text > 0)
 712                                 gtk_text_insert(text, font,
 713                                                 fg_color, NULL,
 714                                                 normal_text,
 715                                                 last->bp - normal_text);
 716                         uri->uri = parser[last->pti].build_uri(last->bp,
 717                                                                last->ep);
 718                         uri->start = gtk_text_get_point(text);
 719                         gtk_text_insert(text, font, uri_color,
 720                                         NULL, last->bp, last->ep - last->bp);
 721                         uri->end = gtk_text_get_point(text);
 722                         textview->uri_list =
 723                                 g_slist_append(textview->uri_list, uri);
 724                 }
 725
 726                 if (*normal_text)
 727                         gtk_text_insert(text, font, fg_color,
 728                                         NULL, normal_text, -1);
 729         } else
 730                 gtk_text_insert(text, font, fg_color, NULL, linebuf, -1);
 731 }
 732
 733 #undef ADD_TXT_POS
 734
 735 static void textview_write_line(TextView *textview, const gchar *str,
 736                                 CodeConverter *conv)
 737 {
 738         GtkText *text = GTK_TEXT(textview->text);
 739         gchar buf[BUFFSIZE];
 740         size_t len;
 741         GdkColor *fg_color;
 742         gint quotelevel = -1;
 743
 744         if (!conv)
 745                 strncpy2(buf, str, sizeof(buf));
 746         else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
 747                 gtk_text_insert(text, textview->msgfont,
 748                                 prefs_common.enable_color
 749                                 ? &error_color : NULL, NULL,
 750                                 "*** Warning: code conversion failed ***\n",
 751                                 -1);
 752                 return;
 753         }
 754
 755         len = strlen(buf);
 756         if (len > 1 && buf[len - 1] == '\n' && buf[len - 2] == '\r') {
 757                 buf[len - 2] = '\n';
 758                 buf[len - 1] = '\0';
 759         }
 760         if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
 761         fg_color = NULL;
 762
 763         /* change color of quotation
 764            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
 765            Up to 3 levels of quotations are detected, and each
 766            level is colored using a different color. */
 767         if (prefs_common.enable_color && strchr(buf, '>')) {
 768                 quotelevel = get_quote_level(buf);
 769
 770                 /* set up the correct foreground color */
 771                 if (quotelevel > 2) {
 772                         /* recycle colors */
 773                         if (prefs_common.recycle_quote_colors)
 774                                 quotelevel %= 3;
 775                         else
 776                                 quotelevel = 2;
 777                 }
 778         }
 779
 780         if (quotelevel == -1)
 781                 fg_color = NULL;
 782         else
 783                 fg_color = &quote_colors[quotelevel];
 784
 785         if (prefs_common.head_space && spacingfont && buf[0] != '\n')
 786                 gtk_text_insert(text, spacingfont, NULL, NULL, " ", 1);
 787
 788         if (prefs_common.enable_color)
 789                 textview_make_clickable_parts(textview, textview->msgfont,
 790                                               fg_color, &uri_color, buf);
 791         else
 792                 textview_make_clickable_parts(textview, textview->msgfont,
 793                                               fg_color, NULL, buf);
 794 }
 795
 796 void textview_clear(TextView *textview)
 797 {
 798         GtkText *text = GTK_TEXT(textview->text);
 799
 800         gtk_text_freeze(text);
 801         gtk_text_backward_delete(text, gtk_text_get_length(text));
 802         gtk_text_thaw(text);
 803
 804         textview_uri_list_remove_all(textview->uri_list);
 805         textview->uri_list = NULL;
 806 }
 807
 808 void textview_destroy(TextView *textview)
 809 {
 810         textview_uri_list_remove_all(textview->uri_list);
 811         textview->uri_list = NULL;
 812
 813         if (!textview->scrolledwin_sb->parent)
 814                 gtk_widget_destroy(textview->scrolledwin_sb);
 815         if (!textview->scrolledwin_mb->parent)
 816                 gtk_widget_destroy(textview->scrolledwin_mb);
 817
 818         if (textview->msgfont) {
 819                 textview->msgfont->ascent = textview->prev_ascent;
 820                 textview->msgfont->descent = textview->prev_descent;
 821                 gdk_font_unref(textview->msgfont);
 822         }
 823         if (textview->boldfont)
 824                 gdk_font_unref(textview->boldfont);
 825
 826         g_free(textview);
 827 }
 828
 829 void textview_set_font(TextView *textview, const gchar *codeset)
 830 {
 831         gboolean use_fontset = TRUE;
 832
 833         /* In multi-byte mode, GtkText can't display 8bit characters
 834            correctly, so it must be single-byte mode. */
 835         if (MB_CUR_MAX > 1) {
 836                 if (codeset) {
 837                         if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
 838                             !g_strncasecmp(codeset, "KOI8-", 5)     ||
 839                             !g_strncasecmp(codeset, "CP", 2)        ||
 840                             !g_strncasecmp(codeset, "WINDOWS-", 8)  ||
 841                             !g_strcasecmp(codeset, "BALTIC"))
 842                                 use_fontset = FALSE;
 843                 }
 844         } else
 845                 use_fontset = FALSE;
 846
 847         if (textview->text_is_mb && !use_fontset) {
 848                 GtkWidget *parent;
 849
 850                 parent = textview->scrolledwin_mb->parent;
 851                 gtk_editable_select_region
 852                         (GTK_EDITABLE(textview->text_mb), 0, 0);
 853                 gtk_container_remove(GTK_CONTAINER(parent),
 854                                      textview->scrolledwin_mb);
 855                 gtk_container_add(GTK_CONTAINER(parent),
 856                                   textview->scrolledwin_sb);
 857
 858                 textview->text = textview->text_sb;
 859                 textview->text_is_mb = FALSE;
 860         } else if (!textview->text_is_mb && use_fontset) {
 861                 GtkWidget *parent;
 862
 863                 parent = textview->scrolledwin_sb->parent;
 864                 gtk_editable_select_region
 865                         (GTK_EDITABLE(textview->text_sb), 0, 0);
 866                 gtk_container_remove(GTK_CONTAINER(parent),
 867                                      textview->scrolledwin_sb);
 868                 gtk_container_add(GTK_CONTAINER(parent),
 869                                   textview->scrolledwin_mb);
 870
 871                 textview->text = textview->text_mb;
 872                 textview->text_is_mb = TRUE;
 873         }
 874
 875         if (prefs_common.textfont) {
 876                 if (textview->msgfont) {
 877                         textview->msgfont->ascent = textview->prev_ascent;
 878                         textview->msgfont->descent = textview->prev_descent;
 879                         gdk_font_unref(textview->msgfont);
 880                         textview->msgfont = NULL;
 881                 }
 882                 if (use_fontset)
 883                         textview->msgfont =
 884                                 gdk_fontset_load(prefs_common.textfont);
 885                 else {
 886                         if (MB_CUR_MAX > 1) {
 887                                 FONT_LOAD(textview->msgfont,
 888                                           "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
 889                         } else {
 890                                 FONT_LOAD(textview->msgfont,
 891                                           prefs_common.textfont);
 892                         }
 893                 }
 894
 895                 if (textview->msgfont) {
 896                         gint ascent, descent;
 897
 898                         textview->prev_ascent = textview->msgfont->ascent;
 899                         textview->prev_descent = textview->msgfont->descent;
 900                         descent = prefs_common.line_space / 2;
 901                         ascent  = prefs_common.line_space - descent;
 902                         textview->msgfont->ascent  += ascent;
 903                         textview->msgfont->descent += descent;
 904                 }
 905         }
 906
 907         if (!textview->boldfont)
 908                 FONT_LOAD(textview->boldfont, BOLD_FONT);
 909         if (!spacingfont)
 910                 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
 911 }
 912
 913 enum
 914 {
 915         H_DATE          = 0,
 916         H_FROM          = 1,
 917         H_TO            = 2,
 918         H_NEWSGROUPS    = 3,
 919         H_SUBJECT       = 4,
 920         H_CC            = 5,
 921         H_REPLY_TO      = 6,
 922         H_FOLLOWUP_TO   = 7,
 923         H_X_MAILER      = 8,
 924         H_X_NEWSREADER  = 9,
 925         H_USER_AGENT    = 10,
 926         H_ORGANIZATION  = 11,
 927 };
 928
 929 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
 930 {
 931         gchar buf[BUFFSIZE];
 932         GPtrArray *headers, *sorted_headers;
 933         GSList *disphdr_list;
 934         Header *header;
 935         gint i;
 936
 937         g_return_val_if_fail(fp != NULL, NULL);
 938
 939         if (!prefs_common.display_header) {
 940                 while (fgets(buf, sizeof(buf), fp) != NULL)
 941                         if (buf[0] == '\r' || buf[0] == '\n') break;
 942                 return NULL;
 943         }
 944
 945         headers = procheader_get_header_array_asis(fp);
 946
 947         sorted_headers = g_ptr_array_new();
 948
 949         for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
 950              disphdr_list = disphdr_list->next) {
 951                 DisplayHeaderProp *dp =
 952                         (DisplayHeaderProp *)disphdr_list->data;
 953
 954                 for (i = 0; i < headers->len; i++) {
 955                         header = g_ptr_array_index(headers, i);
 956
 957                         if (procheader_headername_equal(header->name,
 958                                                         dp->name)) {
 959                                 if (dp->hidden)
 960                                         procheader_header_free(header);
 961                                 else
 962                                         g_ptr_array_add(sorted_headers, header);
 963
 964                                 g_ptr_array_remove_index(headers, i);
 965                                 i--;
 966                         }
 967                 }
 968         }
 969
 970         if (prefs_common.show_other_header) {
 971                 for (i = 0; i < headers->len; i++) {
 972                         header = g_ptr_array_index(headers, i);
 973                         g_ptr_array_add(sorted_headers, header);
 974                 }
 975         }
 976
 977         g_ptr_array_free(headers, FALSE);
 978
 979         return sorted_headers;
 980 }
 981
 982 static void textview_show_header(TextView *textview, GPtrArray *headers)
 983 {
 984         GtkText *text = GTK_TEXT(textview->text);
 985         Header *header;
 986         gint i;
 987
 988         g_return_if_fail(headers != NULL);
 989
 990         gtk_text_freeze(text);
 991
 992         for (i = 0; i < headers->len; i++) {
 993                 header = g_ptr_array_index(headers, i);
 994                 g_return_if_fail(header->name != NULL);
 995
 996                 gtk_text_insert(text, textview->boldfont, NULL, NULL,
 997                                 header->name, -1);
 998                 if (header->name[strlen(header->name) - 1] != ' ')
 999                         gtk_text_insert(text, textview->boldfont,
1000                                         NULL, NULL, " ", 1);
1001
1002                 if (procheader_headername_equal(header->name, "Subject") ||
1003                     procheader_headername_equal(header->name, "From")    ||
1004                     procheader_headername_equal(header->name, "To")      ||
1005                     procheader_headername_equal(header->name, "Cc"))
1006                         unfold_line(header->body);
1007
1008                 if (prefs_common.enable_color &&
1009                     (procheader_headername_equal(header->name, "X-Mailer") ||
1010                      procheader_headername_equal(header->name,
1011                                                  "X-Newsreader")) &&
1012                     strstr(header->body, "Sylpheed") != NULL)
1013                         gtk_text_insert(text, NULL, &emphasis_color, NULL,
1014                                         header->body, -1);
1015                 else if (prefs_common.enable_color) {
1016                         textview_make_clickable_parts(textview,
1017                                                       NULL, NULL, &uri_color,
1018                                                       header->body);
1019                 } else {
1020                         textview_make_clickable_parts(textview,
1021                                                       NULL, NULL, NULL,
1022                                                       header->body);
1023                 }
1024                 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1025         }
1026
1027         gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1028         gtk_text_thaw(text);
1029 }
1030
1031 void textview_scroll_one_line(TextView *textview, gboolean up)
1032 {
1033         GtkText *text = GTK_TEXT(textview->text);
1034         gfloat upper;
1035
1036         if (prefs_common.enable_smooth_scroll) {
1037                 textview_smooth_scroll_one_line(textview, up);
1038                 return;
1039         }
1040
1041         if (!up) {
1042                 upper = text->vadj->upper - text->vadj->page_size;
1043                 if (text->vadj->value < upper) {
1044                         text->vadj->value +=
1045                                 text->vadj->step_increment * 4;
1046                         text->vadj->value =
1047                                 MIN(text->vadj->value, upper);
1048                         gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1049                                                 "value_changed");
1050                 }
1051         } else {
1052                 if (text->vadj->value > 0.0) {
1053                         text->vadj->value -=
1054                                 text->vadj->step_increment * 4;
1055                         text->vadj->value =
1056                                 MAX(text->vadj->value, 0.0);
1057                         gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1058                                                 "value_changed");
1059                 }
1060         }
1061 }
1062
1063 gboolean textview_scroll_page(TextView *textview, gboolean up)
1064 {
1065         GtkText *text = GTK_TEXT(textview->text);
1066         gfloat upper;
1067         gfloat page_incr;
1068
1069         if (prefs_common.enable_smooth_scroll)
1070                 return textview_smooth_scroll_page(textview, up);
1071
1072         if (prefs_common.scroll_halfpage)
1073                 page_incr = text->vadj->page_increment / 2;
1074         else
1075                 page_incr = text->vadj->page_increment;
1076
1077         if (!up) {
1078                 upper = text->vadj->upper - text->vadj->page_size;
1079                 if (text->vadj->value < upper) {
1080                         text->vadj->value += page_incr;
1081                         text->vadj->value = MIN(text->vadj->value, upper);
1082                         gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1083                                                 "value_changed");
1084                 } else
1085                         return FALSE;
1086         } else {
1087                 if (text->vadj->value > 0.0) {
1088                         text->vadj->value -= page_incr;
1089                         text->vadj->value = MAX(text->vadj->value, 0.0);
1090                         gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1091                                                 "value_changed");
1092                 } else
1093                         return FALSE;
1094         }
1095
1096         return TRUE;
1097 }
1098
1099 static void textview_smooth_scroll_do(TextView *textview,
1100                                       gfloat old_value, gfloat last_value,
1101                                       gint step)
1102 {
1103         GtkText *text = GTK_TEXT(textview->text);
1104         gint change_value;
1105         gboolean up;
1106         gint i;
1107
1108         if (old_value < last_value) {
1109                 change_value = last_value - old_value;
1110                 up = FALSE;
1111         } else {
1112                 change_value = old_value - last_value;
1113                 up = TRUE;
1114         }
1115
1116         gdk_key_repeat_disable();
1117
1118         for (i = step; i <= change_value; i += step) {
1119                 text->vadj->value = old_value + (up ? -i : i);
1120                 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1121                                         "value_changed");
1122         }
1123
1124         text->vadj->value = last_value;
1125         gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1126
1127         gdk_key_repeat_restore();
1128 }
1129
1130 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1131 {
1132         GtkText *text = GTK_TEXT(textview->text);
1133         gfloat upper;
1134         gfloat old_value;
1135         gfloat last_value;
1136
1137         if (!up) {
1138                 upper = text->vadj->upper - text->vadj->page_size;
1139                 if (text->vadj->value < upper) {
1140                         old_value = text->vadj->value;
1141                         last_value = text->vadj->value +
1142                                 text->vadj->step_increment * 4;
1143                         last_value = MIN(last_value, upper);
1144
1145                         textview_smooth_scroll_do(textview, old_value,
1146                                                   last_value,
1147                                                   prefs_common.scroll_step);
1148                 }
1149         } else {
1150                 if (text->vadj->value > 0.0) {
1151                         old_value = text->vadj->value;
1152                         last_value = text->vadj->value -
1153                                 text->vadj->step_increment * 4;
1154                         last_value = MAX(last_value, 0.0);
1155
1156                         textview_smooth_scroll_do(textview, old_value,
1157                                                   last_value,
1158                                                   prefs_common.scroll_step);
1159                 }
1160         }
1161 }
1162
1163 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1164 {
1165         GtkText *text = GTK_TEXT(textview->text);
1166         gfloat upper;
1167         gfloat page_incr;
1168         gfloat old_value;
1169         gfloat last_value;
1170
1171         if (prefs_common.scroll_halfpage)
1172                 page_incr = text->vadj->page_increment / 2;
1173         else
1174                 page_incr = text->vadj->page_increment;
1175
1176         if (!up) {
1177                 upper = text->vadj->upper - text->vadj->page_size;
1178                 if (text->vadj->value < upper) {
1179                         old_value = text->vadj->value;
1180                         last_value = text->vadj->value + page_incr;
1181                         last_value = MIN(last_value, upper);
1182
1183                         textview_smooth_scroll_do(textview, old_value,
1184                                                   last_value,
1185                                                   prefs_common.scroll_step);
1186                 } else
1187                         return FALSE;
1188         } else {
1189                 if (text->vadj->value > 0.0) {
1190                         old_value = text->vadj->value;
1191                         last_value = text->vadj->value - page_incr;
1192                         last_value = MAX(last_value, 0.0);
1193
1194                         textview_smooth_scroll_do(textview, old_value,
1195                                                   last_value,
1196                                                   prefs_common.scroll_step);
1197                 } else
1198                         return FALSE;
1199         }
1200
1201         return TRUE;
1202 }
1203
1204 static void textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1205                                  TextView *textview)
1206 {
1207         SummaryView *summaryview = NULL;
1208
1209         if (!event) return;
1210         if (textview->messageview->mainwin)
1211                 summaryview = textview->messageview->mainwin->summaryview;
1212
1213         switch (event->keyval) {
1214         case GDK_Tab:
1215         case GDK_Home:
1216         case GDK_Left:
1217         case GDK_Up:
1218         case GDK_Right:
1219         case GDK_Down:
1220         case GDK_Page_Up:
1221         case GDK_Page_Down:
1222         case GDK_End:
1223         case GDK_Control_L:
1224         case GDK_Control_R:
1225                 break;
1226         case GDK_space:
1227                 if (summaryview)
1228                         summary_pass_key_press_event(summaryview, event);
1229                 else
1230                         textview_scroll_page(textview, FALSE);
1231                 break;
1232         case GDK_BackSpace:
1233         case GDK_Delete:
1234                 textview_scroll_page(textview, TRUE);
1235                 break;
1236         case GDK_Return:
1237                 textview_scroll_one_line(textview,
1238                                          (event->state & GDK_MOD1_MASK) != 0);
1239                 break;
1240         default:
1241                 if (summaryview)
1242                         summary_pass_key_press_event(summaryview, event);
1243                 break;
1244         }
1245 }
1246
1247 static void textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1248                                     TextView *textview)
1249 {
1250         if (event &&
1251             ((event->button == 1 && event->type == GDK_2BUTTON_PRESS)
1252              || event->button == 2 || event->button == 3)) {
1253                 GSList *cur;
1254                 guint current_pos;
1255
1256                 current_pos = GTK_EDITABLE(textview->text)->current_pos;
1257
1258                 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1259                         RemoteURI *uri = (RemoteURI *)cur->data;
1260
1261                         if (current_pos >= uri->start &&
1262                             current_pos <  uri->end) {
1263                                 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1264                                         if (event->button == 3) {
1265                                                 gchar *fromname, *fromaddress;
1266                                                 /* extract url */
1267                                                 fromaddress = g_strdup(uri->uri + 7);
1268                                                 /* Hiroyuki: please put this function in utils.c! */
1269                                                 fromname = procheader_get_fromname(fromaddress);
1270                                                 extract_address(fromaddress);
1271                                                 g_message("adding from textview %s <%s>", fromname, fromaddress);
1272                                                 addressbook_add_contact_by_menu(NULL, fromname, fromaddress, NULL);
1273                                                 g_free(fromaddress);
1274                                                 g_free(fromname);
1275                                         } else {
1276                                                 compose_new_with_recipient
1277                                                         (NULL, uri->uri + 7);
1278                                         }
1279                                 } else {
1280                                         open_uri(uri->uri,
1281                                                  prefs_common.uri_cmd);
1282                                 }
1283                         }
1284                 }
1285         }
1286 }
1287
1288 static void textview_uri_list_remove_all(GSList *uri_list)
1289 {
1290         GSList *cur;
1291
1292         for (cur = uri_list; cur != NULL; cur = cur->next) {
1293                 if (cur->data) {
1294                         g_free(((RemoteURI *)cur->data)->uri);
1295                         g_free(cur->data);
1296                 }
1297         }
1298
1299         g_slist_free(uri_list);
1300 }