src/textview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999,2000 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 (!mimeinfo->sub || mimeinfo->sub->children) return;
 311                 headers = textview_scan_header(textview, fp);
 312                 mimeinfo = mimeinfo->sub;
 313         } else if (!mimeinfo->parent &&
 314                    mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
 315                 if (!mimeinfo->sub) return;
 316                 headers = textview_scan_header(textview, fp);
 317                 mimeinfo = mimeinfo->sub;
 318         }
 319
 320         if (prefs_common.force_charset)
 321                 charset = prefs_common.force_charset;
 322         else if (mimeinfo->charset)
 323                 charset = mimeinfo->charset;
 324         textview_set_font(textview, charset);
 325
 326         conv = conv_code_converter_new(charset);
 327
 328         textview_clear(textview);
 329         text = GTK_TEXT(textview->text);
 330         gtk_text_freeze(text);
 331
 332         if (headers) {
 333                 textview_show_header(textview, headers);
 334                 procheader_header_array_destroy(headers);
 335         }
 336
 337         tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
 338         if (tmpfp) {
 339                 if (mimeinfo->mime_type == MIME_TEXT_HTML)
 340                         textview_show_html(textview, tmpfp, conv);
 341                 else
 342                         while (fgets(buf, sizeof(buf), tmpfp) != NULL)
 343                                 textview_write_line(textview, buf, conv);
 344                 fclose(tmpfp);
 345         }
 346
 347         conv_code_converter_destroy(conv);
 348
 349         gtk_text_thaw(text);
 350 }
 351
 352 #define TEXT_INSERT(str) \
 353         gtk_text_insert(text, textview->msgfont, NULL, NULL, str, -1)
 354
 355 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
 356 {
 357         GtkText *text;
 358
 359         if (!partinfo) return;
 360
 361         textview_set_font(textview, NULL);
 362         text = GTK_TEXT(textview->text);
 363         textview_clear(textview);
 364
 365         gtk_text_freeze(text);
 366
 367         TEXT_INSERT(_("To save this part, pop up the context menu with "));
 368         TEXT_INSERT(_("right click and select `Save as...', "));
 369         TEXT_INSERT(_("or press `y' key.\n\n"));
 370
 371         TEXT_INSERT(_("To display this part as a text message, select "));
 372         TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
 373
 374         TEXT_INSERT(_("To open this part with external program, select "));
 375         TEXT_INSERT(_("`Open' or `Open with...', "));
 376         TEXT_INSERT(_("or double-click, or click the center button, "));
 377         TEXT_INSERT(_("or press `l' key."));
 378
 379         gtk_text_thaw(text);
 380 }
 381
 382 #if USE_GPGME
 383 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
 384 {
 385         GtkText *text;
 386
 387         if (!partinfo) return;
 388
 389         textview_set_font(textview, NULL);
 390         text = GTK_TEXT(textview->text);
 391         textview_clear(textview);
 392
 393         gtk_text_freeze(text);
 394
 395         if (partinfo->sigstatus_full == NULL) {
 396                 TEXT_INSERT(_("This signature has not been checked yet.\n"));
 397                 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
 398                 TEXT_INSERT(_("right click and select `Check signature'.\n"));
 399         } else {
 400                 TEXT_INSERT(partinfo->sigstatus_full);
 401         }
 402
 403         gtk_text_thaw(text);
 404 }
 405 #endif /* USE_GPGME */
 406
 407 #undef TEXT_INSERT
 408
 409 static void textview_show_html(TextView *textview, FILE *fp,
 410                                CodeConverter *conv)
 411 {
 412         HTMLParser *parser;
 413         gchar *str;
 414
 415         parser = html_parser_new(fp, conv);
 416         g_return_if_fail(parser != NULL);
 417
 418         while ((str = html_parse(parser)) != NULL) {
 419                 textview_write_line(textview, str, NULL);
 420         }
 421         html_parser_destroy(parser);
 422 }
 423
 424 /* get_uri_part() - retrieves a URI starting from scanpos.
 425                     Returns TRUE if succesful */
 426 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
 427                              const gchar **bp, const gchar **ep)
 428 {
 429         const gchar *ep_;
 430
 431         g_return_val_if_fail(start != NULL, FALSE);
 432         g_return_val_if_fail(scanpos != NULL, FALSE);
 433         g_return_val_if_fail(bp != NULL, FALSE);
 434         g_return_val_if_fail(ep != NULL, FALSE);
 435
 436         *bp = scanpos;
 437
 438         /* find end point of URI */
 439         for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
 440                 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
 441                         break;
 442         }
 443
 444         /* no punctuation at end of string */
 445
 446         /* FIXME: this stripping of trailing punctuations may bite with other URIs.
 447          * should pass some URI type to this function and decide on that whether
 448          * to perform punctuation stripping */
 449
 450 #define IS_REAL_PUNCT(ch) \
 451         (ispunct(ch) && ((ch) != '/'))
 452
 453         for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
 454                 ;
 455
 456 #undef IS_REAL_PUNCT
 457
 458         *ep = ep_;
 459
 460         return TRUE;
 461 }
 462
 463 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
 464 {
 465         return g_strndup(bp, ep - bp);
 466 }
 467
 468 /* valid mail address characters */
 469 #define IS_RFC822_CHAR(ch) \
 470         (isascii(ch) && \
 471          (ch) > 32   && \
 472          (ch) != 127 && \
 473          !isspace(ch) && \
 474          !strchr("()<>\"", (ch)))
 475
 476 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
 477
 478 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
 479 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
 480                                const gchar **bp, const gchar **ep)
 481 {
 482         /* more complex than the uri part because we need to scan back and forward starting from
 483          * the scan position. */
 484         gboolean result = FALSE;
 485         const gchar *bp_ = NULL;
 486         const gchar *ep_ = NULL;
 487
 488         /* the informative part of the email address (describing the name
 489          * of the email address owner) may contain quoted parts. the
 490          * closure stack stores the last encountered quotes. */
 491         gchar closure_stack[128];
 492         gchar *ptr = closure_stack;
 493
 494         g_return_val_if_fail(start != NULL, FALSE);
 495         g_return_val_if_fail(scanpos != NULL, FALSE);
 496         g_return_val_if_fail(bp != NULL, FALSE);
 497         g_return_val_if_fail(ep != NULL, FALSE);
 498
 499         /* scan start of address */
 500         for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
 501                 ;
 502
 503         /* TODO: should start with an alnum? */
 504         bp_++;
 505         for (; bp_ < scanpos && !isalnum(*bp_); bp_++)
 506                 ;
 507
 508         if (bp_ != scanpos) {
 509                 /* scan end of address */
 510                 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
 511                         ;
 512
 513                 /* TODO: really should terminate with an alnum? */
 514                 for (; ep_ > scanpos  && !isalnum(*ep_); --ep_)
 515                         ;
 516                 ep_++;
 517
 518                 if (ep_ > scanpos + 1) {
 519                         *ep = ep_;
 520                         *bp = bp_;
 521                         result = TRUE;
 522                 }
 523         }
 524
 525         if (!result) return FALSE;
 526
 527         /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
 528         if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
 529                 return FALSE;
 530
 531         /* see if this is <bracketed>; in this case we also scan for the informative part. */
 532         if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
 533                 return TRUE;
 534
 535 #define FULL_STACK()    ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
 536 #define IN_STACK()      (ptr > closure_stack)
 537 /* has underrun check */
 538 #define POP_STACK()     if(IN_STACK()) --ptr
 539 /* has overrun check */
 540 #define PUSH_STACK(c)   if(!FULL_STACK()) *ptr++ = (c); else return TRUE
 541 /* has underrun check */
 542 #define PEEK_STACK()    (IN_STACK() ? *(ptr - 1) : 0)
 543
 544         ep_++;
 545
 546         /* scan for the informative part. */
 547         for (bp_ -= 2; bp_ >= start; bp_--) {
 548                 /* if closure on the stack keep scanning */
 549                 if (PEEK_STACK() == *bp_) {
 550                         POP_STACK();
 551                         continue;
 552                 }
 553                 if (*bp_ == '\'' || *bp_ == '"') {
 554                         PUSH_STACK(*bp_);
 555                         continue;
 556                 }
 557
 558                 /* if nothing in the closure stack, do the special conditions
 559                  * the following if..else expression simply checks whether
 560                  * a token is acceptable. if not acceptable, the clause
 561                  * should terminate the loop with a 'break' */
 562                 if (!PEEK_STACK()) {
 563                         if (*bp_ == '-'
 564                         && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
 565                         && (((bp_ + 1) < ep_)    && isalnum(*(bp_ + 1)))) {
 566                                 /* hyphens are allowed, but only in
 567                                    between alnums */
 568                         } else if (!ispunct(*bp_)) {
 569                                 /* but anything not being a punctiation
 570                                    is ok */
 571                         } else {
 572                                 break; /* anything else is rejected */
 573                         }
 574                 }
 575         }
 576
 577         bp_++;
 578
 579 #undef PEEK_STACK
 580 #undef PUSH_STACK
 581 #undef POP_STACK
 582 #undef IN_STACK
 583 #undef FULL_STACK
 584
 585         /* scan forward (should start with an alnum) */
 586         for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
 587                 ;
 588
 589         *ep = ep_;
 590         *bp = bp_;
 591
 592         return result;
 593 }
 594
 595 #undef IS_QUOTE
 596 #undef IS_RFC822_CHAR
 597
 598 static gchar *make_email_string(const gchar *bp, const gchar *ep)
 599 {
 600         /* returns a mailto: URI; mailto: is also used to detect the
 601          * uri type later on in the button_pressed signal handler */
 602         gchar *tmp;
 603         gchar *result;
 604
 605         tmp = g_strndup(bp, ep - bp);
 606         result = g_strconcat("mailto:", tmp, NULL);
 607         g_free(tmp);
 608
 609         return result;
 610 }
 611
 612 #define ADD_TXT_POS(bp_, ep_, pti_) \
 613         if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
 614                 last = last->next; \
 615                 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
 616                 last->next = NULL; \
 617         } else { \
 618                 g_warning("alloc error scanning URIs\n"); \
 619                 gtk_text_insert(text, textview->msgfont, fg_color, NULL, \
 620                                 linebuf, -1); \
 621                 return; \
 622         }
 623
 624 /* textview_make_clickable_parts() - colorizes clickable parts */
 625 static void textview_make_clickable_parts(TextView *textview,
 626                                           GdkFont *font,
 627                                           GdkColor *fg_color,
 628                                           GdkColor *uri_color,
 629                                           const gchar *linebuf)
 630 {
 631         /* parse table - in order of priority */
 632         struct table {
 633                 const gchar *needle; /* token */
 634
 635                 /* token search function */
 636                 gchar    *(*search)     (const gchar *haystack,
 637                                          const gchar *needle);
 638                 /* part parsing function */
 639                 gboolean  (*parse)      (const gchar *start,
 640                                          const gchar *scanpos,
 641                                          const gchar **bp_,
 642                                          const gchar **ep_);
 643                 /* part to URI function */
 644                 gchar    *(*build_uri)  (const gchar *bp,
 645                                          const gchar *ep);
 646         };
 647
 648         static struct table parser[] = {
 649                 {"http://",  strcasestr, get_uri_part,   make_uri_string},
 650                 {"https://", strcasestr, get_uri_part,   make_uri_string},
 651                 {"ftp://",   strcasestr, get_uri_part,   make_uri_string},
 652                 {"mailto:",  strcasestr, get_uri_part,   make_uri_string},
 653                 {"@",        strcasestr, get_email_part, make_email_string}
 654         };
 655         const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
 656
 657         gint  n;
 658         const gchar *walk, *bp, *ep;
 659
 660         struct txtpos {
 661                 const gchar     *bp, *ep;       /* text position */
 662                 gint             pti;           /* index in parse table */
 663                 struct txtpos   *next;          /* next */
 664         } head = {NULL, NULL, 0,  NULL}, *last = &head;
 665
 666         GtkText *text = GTK_TEXT(textview->text);
 667
 668         /* parse for clickable parts, and build a list of begin and end positions  */
 669         for (walk = linebuf, n = 0;;) {
 670                 gint last_index = PARSE_ELEMS;
 671                 gchar *scanpos = NULL;
 672
 673                 /* FIXME: this looks phony. scanning for anything in the parse table */
 674                 for (n = 0; n < PARSE_ELEMS; n++) {
 675                         gchar *tmp;
 676
 677                         tmp = parser[n].search(walk, parser[n].needle);
 678                         if (tmp) {
 679                                 if (scanpos == NULL || tmp < scanpos) {
 680                                         scanpos = tmp;
 681                                         last_index = n;
 682                                 }
 683                         }
 684                 }
 685
 686                 if (scanpos) {
 687                         /* check if URI can be parsed */
 688                         if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
 689                             && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
 690                                         ADD_TXT_POS(bp, ep, last_index);
 691                                         walk = ep;
 692                         } else
 693                                 walk = scanpos +
 694                                         strlen(parser[last_index].needle);
 695                 } else
 696                         break;
 697         }
 698
 699         /* colorize this line */
 700         if (head.next) {
 701                 const gchar *normal_text = linebuf;
 702
 703                 /* insert URIs */
 704                 for (last = head.next; last != NULL;
 705                      normal_text = last->ep, last = last->next) {
 706                         RemoteURI *uri;
 707
 708                         uri = g_new(RemoteURI, 1);
 709                         if (last->bp - normal_text > 0)
 710                                 gtk_text_insert(text, font,
 711                                                 fg_color, NULL,
 712                                                 normal_text,
 713                                                 last->bp - normal_text);
 714                         uri->uri = parser[last->pti].build_uri(last->bp,
 715                                                                last->ep);
 716                         uri->start = gtk_text_get_point(text);
 717                         gtk_text_insert(text, font, uri_color,
 718                                         NULL, last->bp, last->ep - last->bp);
 719                         uri->end = gtk_text_get_point(text);
 720                         textview->uri_list =
 721                                 g_slist_append(textview->uri_list, uri);
 722                 }
 723
 724                 if (*normal_text)
 725                         gtk_text_insert(text, font, fg_color,
 726                                         NULL, normal_text, -1);
 727         } else
 728                 gtk_text_insert(text, font, fg_color, NULL, linebuf, -1);
 729 }
 730
 731 #undef ADD_TXT_POS
 732
 733 static void textview_write_line(TextView *textview, const gchar *str,
 734                                 CodeConverter *conv)
 735 {
 736         GtkText *text = GTK_TEXT(textview->text);
 737         gchar buf[BUFFSIZE];
 738         size_t len;
 739         GdkColor *fg_color;
 740         gint quotelevel = -1;
 741
 742         if (!conv)
 743                 strncpy2(buf, str, sizeof(buf));
 744         else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
 745                 gtk_text_insert(text, textview->msgfont,
 746                                 prefs_common.enable_color
 747                                 ? &error_color : NULL, NULL,
 748                                 "*** Warning: code conversion failed ***\n",
 749                                 -1);
 750                 return;
 751         }
 752
 753         len = strlen(buf);
 754         if (len > 1 && buf[len - 1] == '\n' && buf[len - 2] == '\r') {
 755                 buf[len - 2] = '\n';
 756                 buf[len - 1] = '\0';
 757         }
 758         if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
 759         fg_color = NULL;
 760
 761         /* change color of quotation
 762            >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
 763            Up to 3 levels of quotations are detected, and each
 764            level is colored using a different color. */
 765         if (prefs_common.enable_color && strchr(buf, '>')) {
 766                 quotelevel = get_quote_level(buf);
 767
 768                 /* set up the correct foreground color */
 769                 if (quotelevel > 2) {
 770                         /* recycle colors */
 771                         if (prefs_common.recycle_quote_colors)
 772                                 quotelevel %= 3;
 773                         else
 774                                 quotelevel = 2;
 775                 }
 776         }
 777
 778         if (quotelevel == -1)
 779                 fg_color = NULL;
 780         else
 781                 fg_color = &quote_colors[quotelevel];
 782
 783         if (prefs_common.head_space && spacingfont && buf[0] != '\n')
 784                 gtk_text_insert(text, spacingfont, NULL, NULL, " ", 1);
 785
 786         if (prefs_common.enable_color)
 787                 textview_make_clickable_parts(textview, textview->msgfont,
 788                                               fg_color, &uri_color, buf);
 789         else
 790                 gtk_text_insert(text, textview->msgfont, fg_color, NULL,
 791                                 buf, -1);
 792 }
 793
 794 void textview_clear(TextView *textview)
 795 {
 796         GtkText *text = GTK_TEXT(textview->text);
 797
 798         gtk_text_freeze(text);
 799         gtk_text_backward_delete(text, gtk_text_get_length(text));
 800         gtk_text_thaw(text);
 801
 802         textview_uri_list_remove_all(textview->uri_list);
 803         textview->uri_list = NULL;
 804 }
 805
 806 void textview_destroy(TextView *textview)
 807 {
 808         textview_uri_list_remove_all(textview->uri_list);
 809         textview->uri_list = NULL;
 810
 811         if (!textview->scrolledwin_sb->parent)
 812                 gtk_widget_destroy(textview->scrolledwin_sb);
 813         if (!textview->scrolledwin_mb->parent)
 814                 gtk_widget_destroy(textview->scrolledwin_mb);
 815
 816         if (textview->msgfont) {
 817                 textview->msgfont->ascent = textview->prev_ascent;
 818                 textview->msgfont->descent = textview->prev_descent;
 819                 gdk_font_unref(textview->msgfont);
 820         }
 821         if (textview->boldfont)
 822                 gdk_font_unref(textview->boldfont);
 823
 824         g_free(textview);
 825 }
 826
 827 void textview_set_font(TextView *textview, const gchar *codeset)
 828 {
 829         gboolean use_fontset = TRUE;
 830
 831         /* In multi-byte mode, GtkText can't display 8bit characters
 832            correctly, so it must be single-byte mode. */
 833         if (MB_CUR_MAX > 1) {
 834                 if (codeset) {
 835                         if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
 836                             !g_strncasecmp(codeset, "KOI8-", 5)     ||
 837                             !g_strncasecmp(codeset, "CP", 2)        ||
 838                             !g_strncasecmp(codeset, "WINDOWS-", 8)  ||
 839                             !g_strcasecmp(codeset, "BALTIC"))
 840                                 use_fontset = FALSE;
 841                 }
 842         } else
 843                 use_fontset = FALSE;
 844
 845         if (textview->text_is_mb && !use_fontset) {
 846                 GtkWidget *parent;
 847
 848                 parent = textview->scrolledwin_mb->parent;
 849                 gtk_editable_select_region
 850                         (GTK_EDITABLE(textview->text_mb), 0, 0);
 851                 gtk_container_remove(GTK_CONTAINER(parent),
 852                                      textview->scrolledwin_mb);
 853                 gtk_container_add(GTK_CONTAINER(parent),
 854                                   textview->scrolledwin_sb);
 855
 856                 textview->text = textview->text_sb;
 857                 textview->text_is_mb = FALSE;
 858         } else if (!textview->text_is_mb && use_fontset) {
 859                 GtkWidget *parent;
 860
 861                 parent = textview->scrolledwin_sb->parent;
 862                 gtk_editable_select_region
 863                         (GTK_EDITABLE(textview->text_sb), 0, 0);
 864                 gtk_container_remove(GTK_CONTAINER(parent),
 865                                      textview->scrolledwin_sb);
 866                 gtk_container_add(GTK_CONTAINER(parent),
 867                                   textview->scrolledwin_mb);
 868
 869                 textview->text = textview->text_mb;
 870                 textview->text_is_mb = TRUE;
 871         }
 872
 873         if (prefs_common.textfont) {
 874                 if (textview->msgfont) {
 875                         textview->msgfont->ascent = textview->prev_ascent;
 876                         textview->msgfont->descent = textview->prev_descent;
 877                         gdk_font_unref(textview->msgfont);
 878                         textview->msgfont = NULL;
 879                 }
 880                 if (use_fontset)
 881                         textview->msgfont =
 882                                 gdk_fontset_load(prefs_common.textfont);
 883                 else {
 884                         if (MB_CUR_MAX > 1) {
 885                                 FONT_LOAD(textview->msgfont,
 886                                           "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
 887                         } else {
 888                                 FONT_LOAD(textview->msgfont,
 889                                           prefs_common.textfont);
 890                         }
 891                 }
 892
 893                 if (textview->msgfont) {
 894                         gint ascent, descent;
 895
 896                         textview->prev_ascent = textview->msgfont->ascent;
 897                         textview->prev_descent = textview->msgfont->descent;
 898                         descent = prefs_common.line_space / 2;
 899                         ascent  = prefs_common.line_space - descent;
 900                         textview->msgfont->ascent  += ascent;
 901                         textview->msgfont->descent += descent;
 902                 }
 903         }
 904
 905         if (!textview->boldfont)
 906                 FONT_LOAD(textview->boldfont, BOLD_FONT);
 907         if (!spacingfont)
 908                 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
 909 }
 910
 911 enum
 912 {
 913         H_DATE          = 0,
 914         H_FROM          = 1,
 915         H_TO            = 2,
 916         H_NEWSGROUPS    = 3,
 917         H_SUBJECT       = 4,
 918         H_CC            = 5,
 919         H_REPLY_TO      = 6,
 920         H_FOLLOWUP_TO   = 7,
 921         H_X_MAILER      = 8,
 922         H_X_NEWSREADER  = 9,
 923         H_USER_AGENT    = 10,
 924         H_ORGANIZATION  = 11,
 925 };
 926
 927 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
 928 {
 929         gchar buf[BUFFSIZE];
 930         GPtrArray *headers, *sorted_headers;
 931         GSList *disphdr_list;
 932         Header *header;
 933         guint i;
 934
 935         textview = textview;
 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         guint 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                         gtk_text_insert(text, NULL, NULL, NULL,
1021                                         header->body, -1);
1022                 }
1023                 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1024         }
1025
1026         gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1027         gtk_text_thaw(text);
1028 }
1029
1030 void textview_scroll_one_line(TextView *textview, gboolean up)
1031 {
1032         GtkText *text = GTK_TEXT(textview->text);
1033         gfloat upper;
1034
1035         if (prefs_common.enable_smooth_scroll) {
1036                 textview_smooth_scroll_one_line(textview, up);
1037                 return;
1038         }
1039
1040         if (!up) {
1041                 upper = text->vadj->upper - text->vadj->page_size;
1042                 if (text->vadj->value < upper) {
1043                         text->vadj->value +=
1044                                 text->vadj->step_increment * 4;
1045                         text->vadj->value =
1046                                 MIN(text->vadj->value, upper);
1047                         gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1048                                                 "value_changed");
1049                 }
1050         } else {
1051                 if (text->vadj->value > 0.0) {
1052                         text->vadj->value -=
1053                                 text->vadj->step_increment * 4;
1054                         text->vadj->value =
1055                                 MAX(text->vadj->value, 0.0);
1056                         gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1057                                                 "value_changed");
1058                 }
1059         }
1060 }
1061
1062 gboolean textview_scroll_page(TextView *textview, gboolean up)
1063 {
1064         GtkText *text = GTK_TEXT(textview->text);
1065         gfloat upper;
1066         gfloat page_incr;
1067
1068         if (prefs_common.enable_smooth_scroll)
1069                 return textview_smooth_scroll_page(textview, up);
1070
1071         if (prefs_common.scroll_halfpage)
1072                 page_incr = text->vadj->page_increment / 2;
1073         else
1074                 page_incr = text->vadj->page_increment;
1075
1076         if (!up) {
1077                 upper = text->vadj->upper - text->vadj->page_size;
1078                 if (text->vadj->value < upper) {
1079                         text->vadj->value += page_incr;
1080                         text->vadj->value = MIN(text->vadj->value, upper);
1081                         gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1082                                                 "value_changed");
1083                 } else
1084                         return FALSE;
1085         } else {
1086                 if (text->vadj->value > 0.0) {
1087                         text->vadj->value -= page_incr;
1088                         text->vadj->value = MAX(text->vadj->value, 0.0);
1089                         gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1090                                                 "value_changed");
1091                 } else
1092                         return FALSE;
1093         }
1094
1095         return TRUE;
1096 }
1097
1098 static void textview_smooth_scroll_do(TextView *textview,
1099                                       gfloat old_value, gfloat last_value,
1100                                       gint step)
1101 {
1102         GtkText *text = GTK_TEXT(textview->text);
1103         gint change_value;
1104         gboolean up;
1105         gint i;
1106
1107         if (old_value < last_value) {
1108                 change_value = last_value - old_value;
1109                 up = FALSE;
1110         } else {
1111                 change_value = old_value - last_value;
1112                 up = TRUE;
1113         }
1114
1115         gdk_key_repeat_disable();
1116
1117         for (i = step; i <= change_value; i += step) {
1118                 text->vadj->value = old_value + (up ? -i : i);
1119                 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1120                                         "value_changed");
1121         }
1122
1123         text->vadj->value = last_value;
1124         gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1125
1126         gdk_key_repeat_restore();
1127 }
1128
1129 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1130 {
1131         GtkText *text = GTK_TEXT(textview->text);
1132         gfloat upper;
1133         gfloat old_value;
1134         gfloat last_value;
1135
1136         if (!up) {
1137                 upper = text->vadj->upper - text->vadj->page_size;
1138                 if (text->vadj->value < upper) {
1139                         old_value = text->vadj->value;
1140                         last_value = text->vadj->value +
1141                                 text->vadj->step_increment * 4;
1142                         last_value = MIN(last_value, upper);
1143
1144                         textview_smooth_scroll_do(textview, old_value,
1145                                                   last_value,
1146                                                   prefs_common.scroll_step);
1147                 }
1148         } else {
1149                 if (text->vadj->value > 0.0) {
1150                         old_value = text->vadj->value;
1151                         last_value = text->vadj->value -
1152                                 text->vadj->step_increment * 4;
1153                         last_value = MAX(last_value, 0.0);
1154
1155                         textview_smooth_scroll_do(textview, old_value,
1156                                                   last_value,
1157                                                   prefs_common.scroll_step);
1158                 }
1159         }
1160 }
1161
1162 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1163 {
1164         GtkText *text = GTK_TEXT(textview->text);
1165         gfloat upper;
1166         gfloat page_incr;
1167         gfloat old_value;
1168         gfloat last_value;
1169
1170         if (prefs_common.scroll_halfpage)
1171                 page_incr = text->vadj->page_increment / 2;
1172         else
1173                 page_incr = text->vadj->page_increment;
1174
1175         if (!up) {
1176                 upper = text->vadj->upper - text->vadj->page_size;
1177                 if (text->vadj->value < upper) {
1178                         old_value = text->vadj->value;
1179                         last_value = text->vadj->value + page_incr;
1180                         last_value = MIN(last_value, upper);
1181
1182                         textview_smooth_scroll_do(textview, old_value,
1183                                                   last_value,
1184                                                   prefs_common.scroll_step);
1185                 } else
1186                         return FALSE;
1187         } else {
1188                 if (text->vadj->value > 0.0) {
1189                         old_value = text->vadj->value;
1190                         last_value = text->vadj->value - page_incr;
1191                         last_value = MAX(last_value, 0.0);
1192
1193                         textview_smooth_scroll_do(textview, old_value,
1194                                                   last_value,
1195                                                   prefs_common.scroll_step);
1196                 } else
1197                         return FALSE;
1198         }
1199
1200         return TRUE;
1201 }
1202
1203 static void textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1204                                  TextView *textview)
1205 {
1206         SummaryView *summaryview = NULL;
1207
1208         if (!event) return;
1209         if (textview->messageview->mainwin)
1210                 summaryview = textview->messageview->mainwin->summaryview;
1211
1212         switch (event->keyval) {
1213         case GDK_Tab:
1214         case GDK_Home:
1215         case GDK_Left:
1216         case GDK_Up:
1217         case GDK_Right:
1218         case GDK_Down:
1219         case GDK_Page_Up:
1220         case GDK_Page_Down:
1221         case GDK_End:
1222         case GDK_Control_L:
1223         case GDK_Control_R:
1224                 break;
1225         case GDK_space:
1226                 if (summaryview)
1227                         summary_pass_key_press_event(summaryview, event);
1228                 else
1229                         textview_scroll_page(textview, FALSE);
1230                 break;
1231         case GDK_BackSpace:
1232         case GDK_Delete:
1233                 textview_scroll_page(textview, TRUE);
1234                 break;
1235         case GDK_Return:
1236                 textview_scroll_one_line(textview,
1237                                          (event->state & GDK_MOD1_MASK) != 0);
1238                 break;
1239         default:
1240                 if (summaryview)
1241                         summary_pass_key_press_event(summaryview, event);
1242                 break;
1243         }
1244 }
1245
1246 static void textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1247                                     TextView *textview)
1248 {
1249         if (event &&
1250             ((event->button == 1 && event->type == GDK_2BUTTON_PRESS)
1251              || event->button == 2 || event->button == 3)) {
1252                 GSList *cur;
1253                 guint current_pos;
1254
1255                 current_pos = GTK_EDITABLE(textview->text)->current_pos;
1256
1257                 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1258                         RemoteURI *uri = (RemoteURI *)cur->data;
1259
1260                         if (current_pos >= uri->start &&
1261                             current_pos <  uri->end) {
1262                                 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1263                                         if (event->button == 3) {
1264                                                 gchar *fromname, *fromaddress;
1265                                                 /* extract url */
1266                                                 fromaddress = g_strdup(uri->uri + 7);
1267                                                 /* Hiroyuki: please put this function in utils.c! */
1268                                                 fromname = procheader_get_fromname(fromaddress);
1269                                                 extract_address(fromaddress);
1270                                                 g_message("adding from textview %s <%s>", fromname, fromaddress);
1271                                                 addressbook_add_contact_by_menu(NULL, fromname, fromaddress, NULL);
1272                                                 g_free(fromaddress);
1273                                                 g_free(fromname);
1274                                         } else {
1275                                                 compose_new_with_recipient
1276                                                         (NULL, uri->uri + 7);
1277                                         }
1278                                 } else {
1279                                         open_uri(uri->uri,
1280                                                  prefs_common.uri_cmd);
1281                                 }
1282                         }
1283                 }
1284         }
1285 }
1286
1287 static void textview_uri_list_remove_all(GSList *uri_list)
1288 {
1289         GSList *cur;
1290
1291         for (cur = uri_list; cur != NULL; cur = cur->next) {
1292                 if (cur->data) {
1293                         g_free(((RemoteURI *)cur->data)->uri);
1294                         g_free(cur->data);
1295                 }
1296         }
1297
1298         g_slist_free(uri_list);
1299 }