2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2002 Hiroyuki Yamamoto
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.
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.
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.
28 #include <gdk/gdkkeysyms.h>
29 #include <gtk/gtkvbox.h>
30 #include <gtk/gtkscrolledwindow.h>
31 #include <gtk/gtksignal.h>
39 #include "summaryview.h"
40 #include "procheader.h"
41 #include "prefs_common.h"
50 #include "addressbook.h"
51 #include "displayheader.h"
54 #define FONT_LOAD(font, s) \
58 Xstrdup_a(fontstr, s, ); \
59 if ((p = strchr(fontstr, ',')) != NULL) *p = '\0'; \
60 font = gdk_font_load(fontstr); \
62 g_warning("Couldn't load the font '%s'\n", fontstr); \
65 typedef struct _RemoteURI RemoteURI;
75 static GdkColor quote_colors[3] = {
76 {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
77 {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
78 {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
81 static GdkColor uri_color = {
88 static GdkColor emphasis_color = {
96 static GdkColor error_color = {
104 static GdkFont *text_sb_font;
105 static GdkFont *text_mb_font;
106 static gint text_sb_font_orig_ascent;
107 static gint text_sb_font_orig_descent;
108 static gint text_mb_font_orig_ascent;
109 static gint text_mb_font_orig_descent;
110 static GdkFont *spacingfont;
112 static void textview_show_ertf (TextView *textview,
114 CodeConverter *conv);
115 static void textview_add_part (TextView *textview,
118 static void textview_write_body (TextView *textview,
121 const gchar *charset);
122 static void textview_show_html (TextView *textview,
124 CodeConverter *conv);
125 static void textview_write_line (TextView *textview,
127 CodeConverter *conv);
128 static void textview_write_link (TextView *textview,
131 CodeConverter *conv);
132 static GPtrArray *textview_scan_header (TextView *textview,
134 static void textview_show_header (TextView *textview,
137 static gint textview_key_pressed (GtkWidget *widget,
140 static gint textview_button_pressed (GtkWidget *widget,
141 GdkEventButton *event,
143 static gint textview_button_released (GtkWidget *widget,
144 GdkEventButton *event,
147 static void textview_uri_list_remove_all(GSList *uri_list);
149 static void textview_smooth_scroll_do (TextView *textview,
153 static void textview_smooth_scroll_one_line (TextView *textview,
155 static gboolean textview_smooth_scroll_page (TextView *textview,
159 TextView *textview_create(void)
163 GtkWidget *scrolledwin_sb;
164 GtkWidget *scrolledwin_mb;
168 debug_print(_("Creating text view...\n"));
169 textview = g_new0(TextView, 1);
171 scrolledwin_sb = gtk_scrolled_window_new(NULL, NULL);
172 scrolledwin_mb = gtk_scrolled_window_new(NULL, NULL);
173 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_sb),
174 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
175 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_mb),
176 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
177 gtk_widget_set_usize(scrolledwin_sb, prefs_common.mainview_width, -1);
178 gtk_widget_set_usize(scrolledwin_mb, prefs_common.mainview_width, -1);
180 /* create GtkSText widgets for single-byte and multi-byte character */
181 text_sb = gtk_stext_new(NULL, NULL);
182 text_mb = gtk_stext_new(NULL, NULL);
183 GTK_STEXT(text_sb)->default_tab_width = 8;
184 GTK_STEXT(text_mb)->default_tab_width = 8;
185 gtk_widget_show(text_sb);
186 gtk_widget_show(text_mb);
187 gtk_stext_set_word_wrap(GTK_STEXT(text_sb), TRUE);
188 gtk_stext_set_word_wrap(GTK_STEXT(text_mb), TRUE);
189 gtk_widget_ensure_style(text_sb);
190 gtk_widget_ensure_style(text_mb);
191 if (text_sb->style && text_sb->style->font->type == GDK_FONT_FONTSET) {
195 FONT_LOAD(font, prefs_common.normalfont);
197 style = gtk_style_copy(text_sb->style);
198 gdk_font_unref(style->font);
200 gtk_widget_set_style(text_sb, style);
203 if (text_mb->style && text_mb->style->font->type == GDK_FONT_FONT) {
207 font = gdk_fontset_load(prefs_common.normalfont);
209 style = gtk_style_copy(text_mb->style);
210 gdk_font_unref(style->font);
212 gtk_widget_set_style(text_mb, style);
215 gtk_widget_ref(scrolledwin_sb);
216 gtk_widget_ref(scrolledwin_mb);
218 gtk_container_add(GTK_CONTAINER(scrolledwin_sb), text_sb);
219 gtk_container_add(GTK_CONTAINER(scrolledwin_mb), text_mb);
220 gtk_signal_connect(GTK_OBJECT(text_sb), "key_press_event",
221 GTK_SIGNAL_FUNC(textview_key_pressed),
223 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_press_event",
224 GTK_SIGNAL_FUNC(textview_button_pressed),
226 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_release_event",
227 GTK_SIGNAL_FUNC(textview_button_released),
229 gtk_signal_connect(GTK_OBJECT(text_mb), "key_press_event",
230 GTK_SIGNAL_FUNC(textview_key_pressed),
232 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_press_event",
233 GTK_SIGNAL_FUNC(textview_button_pressed),
235 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_release_event",
236 GTK_SIGNAL_FUNC(textview_button_released),
239 gtk_widget_show(scrolledwin_sb);
240 gtk_widget_show(scrolledwin_mb);
242 vbox = gtk_vbox_new(FALSE, 0);
243 gtk_box_pack_start(GTK_BOX(vbox), scrolledwin_sb, TRUE, TRUE, 0);
245 gtk_widget_show(vbox);
247 textview->vbox = vbox;
248 textview->scrolledwin = scrolledwin_sb;
249 textview->scrolledwin_sb = scrolledwin_sb;
250 textview->scrolledwin_mb = scrolledwin_mb;
251 textview->text = text_sb;
252 textview->text_sb = text_sb;
253 textview->text_mb = text_mb;
254 textview->text_is_mb = FALSE;
255 textview->uri_list = NULL;
256 textview->body_pos = 0;
257 textview->cur_pos = 0;
258 textview->show_all_headers = FALSE;
259 textview->last_buttonpress = GDK_NOTHING;
260 textview->show_url_msgid = 0;
265 void textview_init(TextView *textview)
267 gtkut_widget_disable_theme_engine(textview->text_sb);
268 gtkut_widget_disable_theme_engine(textview->text_mb);
269 textview_update_message_colors();
270 textview_set_all_headers(textview, FALSE);
271 textview_set_font(textview, NULL);
274 void textview_update_message_colors(void)
276 GdkColor black = {0, 0, 0, 0};
278 if (prefs_common.enable_color) {
279 /* grab the quote colors, converting from an int to a GdkColor */
280 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
282 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
284 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
286 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
289 quote_colors[0] = quote_colors[1] = quote_colors[2] =
290 uri_color = emphasis_color = black;
294 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
297 GtkSText *text = GTK_STEXT(textview->text);
299 const gchar *charset = NULL;
300 GPtrArray *headers = NULL;
302 if ((fp = fopen(file, "rb")) == NULL) {
303 FILE_OP_ERROR(file, "fopen");
307 if (prefs_common.force_charset)
308 charset = prefs_common.force_charset;
309 else if (mimeinfo->charset)
310 charset = mimeinfo->charset;
311 textview_set_font(textview, charset);
312 textview_clear(textview);
313 textview->body_pos = 0;
314 textview->cur_pos = 0;
316 gtk_stext_freeze(text);
318 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) perror("fseek");
319 headers = textview_scan_header(textview, fp);
321 textview_show_header(textview, headers);
322 procheader_header_array_destroy(headers);
323 textview->body_pos = gtk_stext_get_length(text);
326 while (mimeinfo != NULL) {
327 textview_add_part(textview, mimeinfo, fp);
328 if (mimeinfo->parent && mimeinfo->parent->content_type &&
329 !strcasecmp(mimeinfo->parent->content_type,
330 "multipart/alternative"))
331 mimeinfo = mimeinfo->parent->next;
333 mimeinfo = procmime_mimeinfo_next(mimeinfo);
336 gtk_stext_thaw(text);
341 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
343 GtkSText *text = GTK_STEXT(textview->text);
345 const gchar *boundary = NULL;
346 gint boundary_len = 0;
347 const gchar *charset = NULL;
348 GPtrArray *headers = NULL;
350 g_return_if_fail(mimeinfo != NULL);
351 g_return_if_fail(fp != NULL);
353 if (mimeinfo->mime_type == MIME_MULTIPART) return;
355 if (mimeinfo->parent && mimeinfo->parent->boundary) {
356 boundary = mimeinfo->parent->boundary;
357 boundary_len = strlen(boundary);
360 if (!boundary && (mimeinfo->mime_type == MIME_TEXT ||
361 mimeinfo->mime_type == MIME_TEXT_HTML ||
362 mimeinfo->mime_type == MIME_TEXT_ENRICHED)) {
364 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
366 headers = textview_scan_header(textview, fp);
368 if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) {
370 MimeInfo *parent = mimeinfo->parent;
372 while (parent->parent) {
374 parent->main->mime_type ==
377 parent = parent->parent;
380 if ((fpos = ftell(fp)) < 0)
382 else if (fseek(fp, parent->fpos, SEEK_SET) < 0)
385 headers = textview_scan_header(textview, fp);
386 if (fseek(fp, fpos, SEEK_SET) < 0)
390 /* skip MIME part headers */
391 while (fgets(buf, sizeof(buf), fp) != NULL)
392 if (buf[0] == '\r' || buf[0] == '\n') break;
395 /* display attached RFC822 single text message */
396 if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
397 if (headers) procheader_header_array_destroy(headers);
398 if (!mimeinfo->sub || mimeinfo->sub->children) return;
399 headers = textview_scan_header(textview, fp);
400 mimeinfo = mimeinfo->sub;
401 } else if (!mimeinfo->parent &&
402 mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
403 if (headers) procheader_header_array_destroy(headers);
404 if (!mimeinfo->sub) return;
405 headers = textview_scan_header(textview, fp);
406 mimeinfo = mimeinfo->sub;
409 if (prefs_common.force_charset)
410 charset = prefs_common.force_charset;
411 else if (mimeinfo->charset)
412 charset = mimeinfo->charset;
413 textview_set_font(textview, charset);
415 textview_clear(textview);
416 gtk_stext_freeze(text);
418 textview->body_pos = 0;
419 textview->cur_pos = 0;
422 textview_show_header(textview, headers);
423 gtk_stext_insert(text, NULL, NULL, NULL, "\n", 1);
424 procheader_header_array_destroy(headers);
425 textview->body_pos = gtk_stext_get_length(text);
428 textview_write_body(textview, mimeinfo, fp, charset);
430 gtk_stext_thaw(text);
433 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
435 GtkSText *text = GTK_STEXT(textview->text);
437 const gchar *boundary = NULL;
438 gint boundary_len = 0;
439 const gchar *charset = NULL;
440 GPtrArray *headers = NULL;
442 g_return_if_fail(mimeinfo != NULL);
443 g_return_if_fail(fp != NULL);
445 if (mimeinfo->mime_type == MIME_MULTIPART) return;
447 if (!mimeinfo->parent &&
448 mimeinfo->mime_type != MIME_TEXT &&
449 mimeinfo->mime_type != MIME_TEXT_HTML &&
450 mimeinfo->mime_type != MIME_TEXT_ENRICHED)
453 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) {
458 if (mimeinfo->parent && mimeinfo->parent->boundary) {
459 boundary = mimeinfo->parent->boundary;
460 boundary_len = strlen(boundary);
463 while (fgets(buf, sizeof(buf), fp) != NULL)
464 if (buf[0] == '\r' || buf[0] == '\n') break;
466 if (mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
467 headers = textview_scan_header(textview, fp);
469 gtk_stext_insert(text, NULL, NULL, NULL, "\n", 1);
470 textview_show_header(textview, headers);
471 procheader_header_array_destroy(headers);
476 gtk_stext_freeze(text);
478 if (mimeinfo->filename || mimeinfo->name)
479 g_snprintf(buf, sizeof(buf), "\n[%s %s (%d bytes)]\n",
480 mimeinfo->filename ? mimeinfo->filename :
482 mimeinfo->content_type, mimeinfo->size);
484 g_snprintf(buf, sizeof(buf), "\n[%s (%d bytes)]\n",
485 mimeinfo->content_type, mimeinfo->size);
487 if (mimeinfo->mime_type != MIME_TEXT &&
488 mimeinfo->mime_type != MIME_TEXT_HTML &&
489 mimeinfo->mime_type != MIME_TEXT_ENRICHED) {
490 gtk_stext_insert(text, NULL, NULL, NULL, buf, -1);
492 if (!mimeinfo->main &&
494 mimeinfo->parent->children != mimeinfo)
495 gtk_stext_insert(text, NULL, NULL, NULL, buf, -1);
497 gtk_stext_insert(text, NULL, NULL, NULL, "\n", 1);
498 if (prefs_common.force_charset)
499 charset = prefs_common.force_charset;
500 else if (mimeinfo->charset)
501 charset = mimeinfo->charset;
502 textview_write_body(textview, mimeinfo, fp, charset);
505 gtk_stext_thaw(text);
508 #define TEXT_INSERT(str) \
509 gtk_stext_insert(text, textview->msgfont, NULL, NULL, str, -1)
511 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
515 if (!partinfo) return;
517 textview_set_font(textview, NULL);
518 text = GTK_STEXT(textview->text);
519 textview_clear(textview);
521 gtk_stext_freeze(text);
523 TEXT_INSERT(_("To save this part, pop up the context menu with "));
524 TEXT_INSERT(_("right click and select `Save as...', "));
525 TEXT_INSERT(_("or press `y' key.\n\n"));
527 TEXT_INSERT(_("To display this part as a text message, select "));
528 TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
530 TEXT_INSERT(_("To display this part as an image, select "));
531 TEXT_INSERT(_("`Display image', or press `i' key.\n\n"));
533 TEXT_INSERT(_("To open this part with external program, select "));
534 TEXT_INSERT(_("`Open' or `Open with...', "));
535 TEXT_INSERT(_("or double-click, or click the center button, "));
536 TEXT_INSERT(_("or press `l' key."));
538 gtk_stext_thaw(text);
542 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
546 if (!partinfo) return;
548 textview_set_font(textview, NULL);
549 text = GTK_STEXT(textview->text);
550 textview_clear(textview);
552 gtk_stext_freeze(text);
554 if (partinfo->sigstatus_full == NULL) {
555 TEXT_INSERT(_("This signature has not been checked yet.\n"));
556 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
557 TEXT_INSERT(_("right click and select `Check signature'.\n"));
559 TEXT_INSERT(partinfo->sigstatus_full);
562 gtk_stext_thaw(text);
564 #endif /* USE_GPGME */
568 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo,
569 FILE *fp, const gchar *charset)
575 conv = conv_code_converter_new(charset);
577 tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
579 if (mimeinfo->mime_type == MIME_TEXT_HTML)
580 textview_show_html(textview, tmpfp, conv);
581 else if (mimeinfo->mime_type == MIME_TEXT_ENRICHED)
582 textview_show_ertf(textview, tmpfp, conv);
584 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
585 textview_write_line(textview, buf, conv);
589 conv_code_converter_destroy(conv);
592 static void textview_show_html(TextView *textview, FILE *fp,
599 parser = html_parser_new(fp, conv);
600 g_return_if_fail(parser != NULL);
602 while ((str = html_parse(parser)) != NULL) {
603 if (parser->state == HTML_HREF) {
604 /* first time : get and copy the URL */
606 /* ALF - the sylpheed html parser returns an empty string,
607 * if still inside an <a>, but already parsed past HREF */
608 str = strtok(str, " ");
611 /* the URL may (or not) be followed by the
613 str = strtok(NULL, "");
617 textview_write_link(textview, url, str, NULL);
624 textview_write_line(textview, str, NULL);
627 html_parser_destroy(parser);
630 static void textview_show_ertf(TextView *textview, FILE *fp,
637 parser = ertf_parser_new(fp, conv);
638 g_return_if_fail(parser != NULL);
640 while ((str = ertf_parse(parser)) != NULL) {
641 textview_write_line(textview, str, NULL);
643 ertf_parser_destroy(parser);
646 /* get_uri_part() - retrieves a URI starting from scanpos.
647 Returns TRUE if succesful */
648 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
649 const gchar **bp, const gchar **ep)
653 g_return_val_if_fail(start != NULL, FALSE);
654 g_return_val_if_fail(scanpos != NULL, FALSE);
655 g_return_val_if_fail(bp != NULL, FALSE);
656 g_return_val_if_fail(ep != NULL, FALSE);
660 /* find end point of URI */
661 for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
662 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
666 /* no punctuation at end of string */
668 /* FIXME: this stripping of trailing punctuations may bite with other URIs.
669 * should pass some URI type to this function and decide on that whether
670 * to perform punctuation stripping */
672 #define IS_REAL_PUNCT(ch) (ispunct(ch) && ((ch) != '/'))
674 for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
684 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
686 return g_strndup(bp, ep - bp);
689 /* valid mail address characters */
690 #define IS_RFC822_CHAR(ch) \
695 !strchr("(),;<>\"", (ch)))
697 /* alphabet and number within 7bit ASCII */
698 #define IS_ASCII_ALNUM(ch) (isascii(ch) && isalnum(ch))
699 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
701 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
702 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
703 const gchar **bp, const gchar **ep)
705 /* more complex than the uri part because we need to scan back and forward starting from
706 * the scan position. */
707 gboolean result = FALSE;
708 const gchar *bp_ = NULL;
709 const gchar *ep_ = NULL;
711 /* the informative part of the email address (describing the name
712 * of the email address owner) may contain quoted parts. the
713 * closure stack stores the last encountered quotes. */
714 gchar closure_stack[128];
715 gchar *ptr = closure_stack;
717 g_return_val_if_fail(start != NULL, FALSE);
718 g_return_val_if_fail(scanpos != NULL, FALSE);
719 g_return_val_if_fail(bp != NULL, FALSE);
720 g_return_val_if_fail(ep != NULL, FALSE);
722 /* scan start of address */
723 for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
726 /* TODO: should start with an alnum? */
728 for (; bp_ < scanpos && !IS_ASCII_ALNUM(*bp_); bp_++)
731 if (bp_ != scanpos) {
732 /* scan end of address */
733 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
736 /* TODO: really should terminate with an alnum? */
737 for (; ep_ > scanpos && !IS_ASCII_ALNUM(*ep_); --ep_)
741 if (ep_ > scanpos + 1) {
748 if (!result) return FALSE;
750 /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
751 if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
754 /* see if this is <bracketed>; in this case we also scan for the informative part. */
755 if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
758 #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
759 #define IN_STACK() (ptr > closure_stack)
760 /* has underrun check */
761 #define POP_STACK() if(IN_STACK()) --ptr
762 /* has overrun check */
763 #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE
764 /* has underrun check */
765 #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0)
769 /* scan for the informative part. */
770 for (bp_ -= 2; bp_ >= start; bp_--) {
771 /* if closure on the stack keep scanning */
772 if (PEEK_STACK() == *bp_) {
776 if (*bp_ == '\'' || *bp_ == '"') {
781 /* if nothing in the closure stack, do the special conditions
782 * the following if..else expression simply checks whether
783 * a token is acceptable. if not acceptable, the clause
784 * should terminate the loop with a 'break' */
787 && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
788 && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) {
789 /* hyphens are allowed, but only in
791 } else if (!ispunct(*bp_)) {
792 /* but anything not being a punctiation
795 break; /* anything else is rejected */
808 /* scan forward (should start with an alnum) */
809 for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
819 #undef IS_RFC822_CHAR
821 static gchar *make_email_string(const gchar *bp, const gchar *ep)
823 /* returns a mailto: URI; mailto: is also used to detect the
824 * uri type later on in the button_pressed signal handler */
828 tmp = g_strndup(bp, ep - bp);
829 result = g_strconcat("mailto:", tmp, NULL);
835 #define ADD_TXT_POS(bp_, ep_, pti_) \
836 if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
838 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
841 g_warning("alloc error scanning URIs\n"); \
842 gtk_stext_insert(text, textview->msgfont, fg_color, NULL, \
847 /* textview_make_clickable_parts() - colorizes clickable parts */
848 static void textview_make_clickable_parts(TextView *textview,
852 const gchar *linebuf)
854 /* parse table - in order of priority */
856 const gchar *needle; /* token */
858 /* token search function */
859 gchar *(*search) (const gchar *haystack,
860 const gchar *needle);
861 /* part parsing function */
862 gboolean (*parse) (const gchar *start,
863 const gchar *scanpos,
866 /* part to URI function */
867 gchar *(*build_uri) (const gchar *bp,
871 static struct table parser[] = {
872 {"http://", strcasestr, get_uri_part, make_uri_string},
873 {"https://", strcasestr, get_uri_part, make_uri_string},
874 {"www.", strcasestr, get_uri_part, make_uri_string},
875 {"ftp://", strcasestr, get_uri_part, make_uri_string},
876 {"mailto:", strcasestr, get_uri_part, make_uri_string},
877 {"@", strcasestr, get_email_part, make_email_string}
879 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
882 const gchar *walk, *bp, *ep;
885 const gchar *bp, *ep; /* text position */
886 gint pti; /* index in parse table */
887 struct txtpos *next; /* next */
888 } head = {NULL, NULL, 0, NULL}, *last = &head;
890 GtkSText *text = GTK_STEXT(textview->text);
892 /* parse for clickable parts, and build a list of begin and end positions */
893 for (walk = linebuf, n = 0;;) {
894 gint last_index = PARSE_ELEMS;
895 gchar *scanpos = NULL;
897 /* FIXME: this looks phony. scanning for anything in the parse table */
898 for (n = 0; n < PARSE_ELEMS; n++) {
901 tmp = parser[n].search(walk, parser[n].needle);
903 if (scanpos == NULL || tmp < scanpos) {
911 /* check if URI can be parsed */
912 if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
913 && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
914 ADD_TXT_POS(bp, ep, last_index);
918 strlen(parser[last_index].needle);
923 /* colorize this line */
925 const gchar *normal_text = linebuf;
928 for (last = head.next; last != NULL;
929 normal_text = last->ep, last = last->next) {
932 uri = g_new(RemoteURI, 1);
933 if (last->bp - normal_text > 0)
934 gtk_stext_insert(text, font,
937 last->bp - normal_text);
938 uri->uri = parser[last->pti].build_uri(last->bp,
940 uri->start = gtk_stext_get_point(text);
941 gtk_stext_insert(text, font, uri_color,
942 NULL, last->bp, last->ep - last->bp);
943 uri->end = gtk_stext_get_point(text);
945 g_slist_append(textview->uri_list, uri);
949 gtk_stext_insert(text, font, fg_color,
950 NULL, normal_text, -1);
952 gtk_stext_insert(text, font, fg_color, NULL, linebuf, -1);
957 /* This function writes str as a double-clickable link with the given url. */
958 static void textview_write_link(TextView *textview, const gchar *url,
959 const gchar *str, CodeConverter *conv)
961 GdkColor *link_color = NULL;
963 GtkSText *text = GTK_STEXT(textview->text);
966 /* this part is taken from textview_write_line. Right now the only place
967 * that calls this function passes NULL for conv, but you never know. */
970 strncpy2(buf, str, sizeof(buf));
971 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
972 gtk_stext_insert(text, textview->msgfont,
973 prefs_common.enable_color
974 ? &error_color : NULL, NULL,
975 "*** Warning: code conversion failed ***\n",
981 /* this part is based on the code in make_clickable_parts */
982 if (prefs_common.enable_color) {
983 link_color = &uri_color;
985 uri = g_new(RemoteURI, 1);
986 uri->uri = g_strdup(url);
987 uri->start = gtk_stext_get_point(text);
988 gtk_stext_insert(text, textview->msgfont, link_color, NULL, str,
990 uri->end = gtk_stext_get_point(text);
991 textview->uri_list = g_slist_append(textview->uri_list, uri);
994 static void textview_write_line(TextView *textview, const gchar *str,
997 GtkSText *text = GTK_STEXT(textview->text);
1000 gint quotelevel = -1;
1004 strncpy2(buf, str, sizeof(buf));
1005 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
1006 gtk_stext_insert(text, textview->msgfont,
1007 prefs_common.enable_color
1008 ? &error_color : NULL, NULL,
1009 "*** Warning: code conversion failed ***\n",
1014 if (!conv || conv_convert(conv, buf, sizeof(buf), str) < 0)
1015 strncpy2(buf, str, sizeof(buf));
1018 if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
1021 /* change color of quotation
1022 >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1023 Up to 3 levels of quotations are detected, and each
1024 level is colored using a different color. */
1025 if (prefs_common.enable_color
1026 && line_has_quote_char(buf, prefs_common.quote_chars)) {
1027 quotelevel = get_quote_level(buf, prefs_common.quote_chars);
1029 /* set up the correct foreground color */
1030 if (quotelevel > 2) {
1031 /* recycle colors */
1032 if (prefs_common.recycle_quote_colors)
1039 if (quotelevel == -1)
1042 fg_color = "e_colors[quotelevel];
1044 if (prefs_common.head_space && spacingfont && buf[0] != '\n')
1045 gtk_stext_insert(text, spacingfont, NULL, NULL, " ", 1);
1047 if (prefs_common.enable_color)
1048 textview_make_clickable_parts(textview, textview->msgfont,
1049 fg_color, &uri_color, buf);
1051 textview_make_clickable_parts(textview, textview->msgfont,
1052 fg_color, NULL, buf);
1055 void textview_clear(TextView *textview)
1057 GtkSText *text = GTK_STEXT(textview->text);
1059 gtk_stext_freeze(text);
1060 gtk_stext_set_point(text, 0);
1061 gtk_stext_forward_delete(text, gtk_stext_get_length(text));
1062 gtk_stext_thaw(text);
1064 textview_uri_list_remove_all(textview->uri_list);
1065 textview->uri_list = NULL;
1068 void textview_destroy(TextView *textview)
1070 textview_uri_list_remove_all(textview->uri_list);
1071 textview->uri_list = NULL;
1073 if (!textview->scrolledwin_sb->parent)
1074 gtk_widget_destroy(textview->scrolledwin_sb);
1075 if (!textview->scrolledwin_mb->parent)
1076 gtk_widget_destroy(textview->scrolledwin_mb);
1078 if (textview->msgfont)
1079 gdk_font_unref(textview->msgfont);
1080 if (textview->boldfont)
1081 gdk_font_unref(textview->boldfont);
1086 void textview_set_all_headers(TextView *textview, gboolean all_headers)
1088 textview->show_all_headers = all_headers;
1091 void textview_set_font(TextView *textview, const gchar *codeset)
1093 gboolean use_fontset = TRUE;
1095 /* In multi-byte mode, GtkSText can't display 8bit characters
1096 correctly, so it must be single-byte mode. */
1097 if (MB_CUR_MAX > 1) {
1099 if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
1100 !g_strcasecmp(codeset, "BALTIC"))
1101 use_fontset = FALSE;
1102 else if (conv_get_current_charset() != C_EUC_JP &&
1103 (!g_strncasecmp(codeset, "KOI8-", 5) ||
1104 !g_strncasecmp(codeset, "CP", 2) ||
1105 !g_strncasecmp(codeset, "WINDOWS-", 8)))
1106 use_fontset = FALSE;
1109 use_fontset = FALSE;
1111 if (textview->text_is_mb && !use_fontset) {
1114 parent = textview->scrolledwin_mb->parent;
1115 gtkut_container_remove(GTK_CONTAINER(parent),
1116 textview->scrolledwin_mb);
1117 gtk_container_add(GTK_CONTAINER(parent),
1118 textview->scrolledwin_sb);
1120 textview->text = textview->text_sb;
1121 textview->text_is_mb = FALSE;
1122 } else if (!textview->text_is_mb && use_fontset) {
1125 parent = textview->scrolledwin_sb->parent;
1126 gtkut_container_remove(GTK_CONTAINER(parent),
1127 textview->scrolledwin_sb);
1128 gtk_container_add(GTK_CONTAINER(parent),
1129 textview->scrolledwin_mb);
1131 textview->text = textview->text_mb;
1132 textview->text_is_mb = TRUE;
1135 if (prefs_common.textfont) {
1140 text_mb_font->ascent = text_mb_font_orig_ascent;
1141 text_mb_font->descent = text_mb_font_orig_descent;
1143 font = gdk_fontset_load(prefs_common.textfont);
1144 if (font && text_mb_font != font) {
1146 gdk_font_unref(text_mb_font);
1147 text_mb_font = font;
1148 text_mb_font_orig_ascent = font->ascent;
1149 text_mb_font_orig_descent = font->descent;
1153 text_sb_font->ascent = text_sb_font_orig_ascent;
1154 text_sb_font->descent = text_sb_font_orig_descent;
1156 if (MB_CUR_MAX > 1) {
1157 FONT_LOAD(font, "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
1159 FONT_LOAD(font, prefs_common.textfont);
1161 if (font && text_sb_font != font) {
1163 gdk_font_unref(text_sb_font);
1164 text_sb_font = font;
1165 text_sb_font_orig_ascent = font->ascent;
1166 text_sb_font_orig_descent = font->descent;
1171 gint ascent, descent;
1173 descent = prefs_common.line_space / 2;
1174 ascent = prefs_common.line_space - descent;
1175 font->ascent += ascent;
1176 font->descent += descent;
1178 if (textview->msgfont)
1179 gdk_font_unref(textview->msgfont);
1180 textview->msgfont = font;
1185 if (!textview->boldfont && prefs_common.boldfont)
1186 FONT_LOAD(textview->boldfont, prefs_common.boldfont);
1188 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
1204 H_ORGANIZATION = 11,
1207 void textview_set_position(TextView *textview, gint pos)
1211 gtk_stext_get_length(GTK_STEXT(textview->text));
1213 textview->cur_pos = pos;
1217 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1219 gchar buf[BUFFSIZE];
1220 GPtrArray *headers, *sorted_headers;
1221 GSList *disphdr_list;
1225 g_return_val_if_fail(fp != NULL, NULL);
1227 if (textview->show_all_headers)
1228 return procheader_get_header_array_asis(fp);
1230 if (!prefs_common.display_header) {
1231 while (fgets(buf, sizeof(buf), fp) != NULL)
1232 if (buf[0] == '\r' || buf[0] == '\n') break;
1236 headers = procheader_get_header_array_asis(fp);
1238 sorted_headers = g_ptr_array_new();
1240 for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1241 disphdr_list = disphdr_list->next) {
1242 DisplayHeaderProp *dp =
1243 (DisplayHeaderProp *)disphdr_list->data;
1245 for (i = 0; i < headers->len; i++) {
1246 header = g_ptr_array_index(headers, i);
1248 if (procheader_headername_equal(header->name,
1251 procheader_header_free(header);
1253 g_ptr_array_add(sorted_headers, header);
1255 g_ptr_array_remove_index(headers, i);
1261 if (prefs_common.show_other_header) {
1262 for (i = 0; i < headers->len; i++) {
1263 header = g_ptr_array_index(headers, i);
1264 g_ptr_array_add(sorted_headers, header);
1268 g_ptr_array_free(headers, FALSE);
1270 return sorted_headers;
1273 static void textview_show_header(TextView *textview, GPtrArray *headers)
1275 GtkSText *text = GTK_STEXT(textview->text);
1279 g_return_if_fail(headers != NULL);
1281 gtk_stext_freeze(text);
1283 for (i = 0; i < headers->len; i++) {
1284 header = g_ptr_array_index(headers, i);
1285 g_return_if_fail(header->name != NULL);
1287 gtk_stext_insert(text, textview->boldfont, NULL, NULL,
1289 if (header->name[strlen(header->name) - 1] != ' ')
1290 gtk_stext_insert(text, textview->boldfont,
1291 NULL, NULL, " ", 1);
1293 if (procheader_headername_equal(header->name, "Subject") ||
1294 procheader_headername_equal(header->name, "From") ||
1295 procheader_headername_equal(header->name, "To") ||
1296 procheader_headername_equal(header->name, "Cc"))
1297 unfold_line(header->body);
1299 if (prefs_common.enable_color &&
1300 (procheader_headername_equal(header->name, "X-Mailer") ||
1301 procheader_headername_equal(header->name,
1303 strstr(header->body, "Sylpheed") != NULL)
1304 gtk_stext_insert(text, NULL, &emphasis_color, NULL,
1306 else if (prefs_common.enable_color) {
1307 textview_make_clickable_parts(textview,
1308 NULL, NULL, &uri_color,
1311 textview_make_clickable_parts(textview,
1315 gtk_stext_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1318 gtk_stext_thaw(text);
1321 gboolean textview_search_string(TextView *textview, const gchar *str,
1324 GtkSText *text = GTK_STEXT(textview->text);
1329 gboolean found = FALSE;
1331 g_return_val_if_fail(str != NULL, FALSE);
1333 wcs = strdup_mbstowcs(str);
1334 g_return_val_if_fail(wcs != NULL, FALSE);
1336 pos = textview->cur_pos;
1337 if (pos < textview->body_pos)
1338 pos = textview->body_pos;
1339 text_len = gtk_stext_get_length(text);
1340 if (text_len - pos < len) {
1345 for (; pos < text_len; pos++) {
1346 if (text_len - pos < len) break;
1347 if (gtkut_stext_match_string(text, pos, wcs, len, case_sens)
1349 gtk_widget_hide(GTK_WIDGET(textview->scrolledwin));
1350 gtk_editable_set_position(GTK_EDITABLE(text),
1352 gtk_editable_select_region(GTK_EDITABLE(text),
1354 gtk_widget_show(GTK_WIDGET(textview->scrolledwin));
1355 textview_set_position(textview, pos + len);
1359 if (text_len - pos == len) break;
1365 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1368 GtkSText *text = GTK_STEXT(textview->text);
1373 gboolean found = FALSE;
1375 g_return_val_if_fail(str != NULL, FALSE);
1377 wcs = strdup_mbstowcs(str);
1378 g_return_val_if_fail(wcs != NULL, FALSE);
1380 pos = textview->cur_pos;
1381 text_len = gtk_stext_get_length(text);
1382 if (text_len - textview->body_pos < len) {
1386 if (pos <= textview->body_pos || text_len - pos < len)
1387 pos = text_len - len;
1389 for (; pos >= textview->body_pos; pos--) {
1390 if (gtkut_stext_match_string(text, pos, wcs, len, case_sens)
1392 gtk_editable_set_position(GTK_EDITABLE(text), pos);
1393 gtk_editable_select_region(GTK_EDITABLE(text),
1395 textview_set_position(textview, pos - 1);
1399 if (pos == textview->body_pos) break;
1406 void textview_scroll_one_line(TextView *textview, gboolean up)
1408 GtkSText *text = GTK_STEXT(textview->text);
1411 if (prefs_common.enable_smooth_scroll) {
1412 textview_smooth_scroll_one_line(textview, up);
1417 upper = text->vadj->upper - text->vadj->page_size;
1418 if (text->vadj->value < upper) {
1419 text->vadj->value +=
1420 text->vadj->step_increment * 4;
1422 MIN(text->vadj->value, upper);
1423 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1427 if (text->vadj->value > 0.0) {
1428 text->vadj->value -=
1429 text->vadj->step_increment * 4;
1431 MAX(text->vadj->value, 0.0);
1432 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1438 gboolean textview_scroll_page(TextView *textview, gboolean up)
1440 GtkSText *text = GTK_STEXT(textview->text);
1444 if (prefs_common.enable_smooth_scroll)
1445 return textview_smooth_scroll_page(textview, up);
1447 if (prefs_common.scroll_halfpage)
1448 page_incr = text->vadj->page_increment / 2;
1450 page_incr = text->vadj->page_increment;
1453 upper = text->vadj->upper - text->vadj->page_size;
1454 if (text->vadj->value < upper) {
1455 text->vadj->value += page_incr;
1456 text->vadj->value = MIN(text->vadj->value, upper);
1457 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1462 if (text->vadj->value > 0.0) {
1463 text->vadj->value -= page_incr;
1464 text->vadj->value = MAX(text->vadj->value, 0.0);
1465 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1474 static void textview_smooth_scroll_do(TextView *textview,
1475 gfloat old_value, gfloat last_value,
1478 GtkSText *text = GTK_STEXT(textview->text);
1483 if (old_value < last_value) {
1484 change_value = last_value - old_value;
1487 change_value = old_value - last_value;
1491 gdk_key_repeat_disable();
1493 for (i = step; i <= change_value; i += step) {
1494 text->vadj->value = old_value + (up ? -i : i);
1495 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1499 text->vadj->value = last_value;
1500 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1502 gdk_key_repeat_restore();
1505 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1507 GtkSText *text = GTK_STEXT(textview->text);
1513 upper = text->vadj->upper - text->vadj->page_size;
1514 if (text->vadj->value < upper) {
1515 old_value = text->vadj->value;
1516 last_value = text->vadj->value +
1517 text->vadj->step_increment * 4;
1518 last_value = MIN(last_value, upper);
1520 textview_smooth_scroll_do(textview, old_value,
1522 prefs_common.scroll_step);
1525 if (text->vadj->value > 0.0) {
1526 old_value = text->vadj->value;
1527 last_value = text->vadj->value -
1528 text->vadj->step_increment * 4;
1529 last_value = MAX(last_value, 0.0);
1531 textview_smooth_scroll_do(textview, old_value,
1533 prefs_common.scroll_step);
1538 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1540 GtkSText *text = GTK_STEXT(textview->text);
1546 if (prefs_common.scroll_halfpage)
1547 page_incr = text->vadj->page_increment / 2;
1549 page_incr = text->vadj->page_increment;
1552 upper = text->vadj->upper - text->vadj->page_size;
1553 if (text->vadj->value < upper) {
1554 old_value = text->vadj->value;
1555 last_value = text->vadj->value + page_incr;
1556 last_value = MIN(last_value, upper);
1558 textview_smooth_scroll_do(textview, old_value,
1560 prefs_common.scroll_step);
1564 if (text->vadj->value > 0.0) {
1565 old_value = text->vadj->value;
1566 last_value = text->vadj->value - page_incr;
1567 last_value = MAX(last_value, 0.0);
1569 textview_smooth_scroll_do(textview, old_value,
1571 prefs_common.scroll_step);
1579 #define KEY_PRESS_EVENT_STOP() \
1580 if (gtk_signal_n_emissions_by_name \
1581 (GTK_OBJECT(widget), "key_press_event") > 0) { \
1582 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), \
1583 "key_press_event"); \
1586 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1589 SummaryView *summaryview = NULL;
1590 MessageView *messageview = textview->messageview;
1592 if (!event) return FALSE;
1593 if (messageview->mainwin)
1594 summaryview = messageview->mainwin->summaryview;
1596 switch (event->keyval) {
1611 summary_pass_key_press_event(summaryview, event);
1613 textview_scroll_page(textview, FALSE);
1616 textview_scroll_page(textview, TRUE);
1619 textview_scroll_one_line(textview,
1620 (event->state & GDK_MOD1_MASK) != 0);
1629 if (messageview->type == MVIEW_MIME) {
1630 KEY_PRESS_EVENT_STOP();
1631 mimeview_pass_key_press_event(messageview->mimeview,
1638 summary_pass_key_press_event(summaryview, event);
1645 static gint show_url_timeout_cb(TextView *textview ){
1646 if (textview->messageview->mainwin)
1647 if (textview->show_url_msgid)
1648 gtk_statusbar_remove(GTK_STATUSBAR(
1649 textview->messageview->mainwin->statusbar),
1650 textview->messageview->mainwin->folderview_cid,
1651 textview->show_url_msgid);
1655 static gint textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1659 textview->last_buttonpress = event->type;
1663 static gint textview_button_released(GtkWidget *widget, GdkEventButton *event,
1667 gtk_editable_get_position(GTK_EDITABLE(textview->text));
1670 ((event->button == 1)
1671 || event->button == 2 || event->button == 3)) {
1674 /* double click seems to set the cursor after the current
1675 * word. The cursor position needs fixing, otherwise the
1676 * last word of a clickable zone will not work */
1677 if (event->button == 1 && textview->last_buttonpress == GDK_2BUTTON_PRESS) {
1678 textview->cur_pos--;
1681 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1682 RemoteURI *uri = (RemoteURI *)cur->data;
1684 if (textview->cur_pos >= uri->start &&
1685 textview->cur_pos < uri->end) {
1686 /* single click: display url in statusbar */
1687 if (event->button == 1 && textview->last_buttonpress != GDK_2BUTTON_PRESS) {
1688 if (textview->messageview->mainwin) {
1689 if (textview->show_url_msgid) {
1690 gtk_timeout_remove(textview->show_url_timeout_tag);
1691 gtk_statusbar_remove(GTK_STATUSBAR(
1692 textview->messageview->mainwin->statusbar),
1693 textview->messageview->mainwin->folderview_cid,
1694 textview->show_url_msgid);
1695 textview->show_url_msgid = 0;
1697 textview->show_url_msgid = gtk_statusbar_push(
1698 GTK_STATUSBAR(textview->messageview->mainwin->statusbar),
1699 textview->messageview->mainwin->folderview_cid,
1701 textview->show_url_timeout_tag = gtk_timeout_add( 2000, show_url_timeout_cb, textview );
1702 gtkut_widget_wait_for_draw(textview->messageview->mainwin->hbox_stat);
1705 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1706 if (event->button == 3) {
1707 gchar *fromname, *fromaddress;
1708 GdkEventButton tmpev;
1711 fromaddress = g_strdup(uri->uri + 7);
1712 /* Hiroyuki: please put this function in utils.c! */
1713 fromname = procheader_get_fromname(fromaddress);
1714 extract_address(fromaddress);
1715 g_message("adding from textview %s <%s>", fromname, fromaddress);
1716 /* Add to address book - Match */
1717 addressbook_add_contact( fromname, fromaddress, NULL );
1719 g_free(fromaddress);
1722 PrefsAccount *account = NULL;
1723 FolderItem *folder_item;
1725 if (textview->messageview && textview->messageview->mainwin
1726 && textview->messageview->mainwin->summaryview
1727 && textview->messageview->mainwin->summaryview->folder_item) {
1728 folder_item = textview->messageview->mainwin->summaryview->folder_item;
1729 if (folder_item->prefs && folder_item->prefs->enable_default_account)
1730 account = account_find_from_id(folder_item->prefs->default_account);
1732 compose_new_with_recipient
1733 (account, uri->uri + 7);
1737 prefs_common.uri_cmd);
1743 textview->last_buttonpress = event->type;
1747 static void textview_uri_list_remove_all(GSList *uri_list)
1751 for (cur = uri_list; cur != NULL; cur = cur->next) {
1753 g_free(((RemoteURI *)cur->data)->uri);
1758 g_slist_free(uri_list);