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 = {
95 static GdkColor error_color = {
102 static GdkFont *spacingfont;
104 static void textview_show_ertf (TextView *textview,
106 CodeConverter *conv);
107 static void textview_show_html (TextView *textview,
109 CodeConverter *conv);
110 static void textview_write_line (TextView *textview,
112 CodeConverter *conv);
113 static void textview_write_link (TextView *textview,
116 CodeConverter *conv);
117 static GPtrArray *textview_scan_header (TextView *textview,
119 static void textview_show_header (TextView *textview,
122 static gint textview_key_pressed (GtkWidget *widget,
125 static gint textview_button_pressed (GtkWidget *widget,
126 GdkEventButton *event,
128 static gint textview_button_released (GtkWidget *widget,
129 GdkEventButton *event,
132 static void textview_uri_list_remove_all(GSList *uri_list);
134 static void textview_smooth_scroll_do (TextView *textview,
138 static void textview_smooth_scroll_one_line (TextView *textview,
140 static gboolean textview_smooth_scroll_page (TextView *textview,
144 TextView *textview_create(void)
148 GtkWidget *scrolledwin_sb;
149 GtkWidget *scrolledwin_mb;
153 debug_print(_("Creating text view...\n"));
154 textview = g_new0(TextView, 1);
156 scrolledwin_sb = gtk_scrolled_window_new(NULL, NULL);
157 scrolledwin_mb = gtk_scrolled_window_new(NULL, NULL);
158 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_sb),
159 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
160 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_mb),
161 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
162 gtk_widget_set_usize(scrolledwin_sb, prefs_common.mainview_width, -1);
163 gtk_widget_set_usize(scrolledwin_mb, prefs_common.mainview_width, -1);
165 /* create GtkSText widgets for single-byte and multi-byte character */
166 text_sb = gtk_stext_new(NULL, NULL);
167 text_mb = gtk_stext_new(NULL, NULL);
168 GTK_STEXT(text_sb)->default_tab_width = 8;
169 GTK_STEXT(text_mb)->default_tab_width = 8;
170 gtk_widget_show(text_sb);
171 gtk_widget_show(text_mb);
172 gtk_stext_set_word_wrap(GTK_STEXT(text_sb), TRUE);
173 gtk_stext_set_word_wrap(GTK_STEXT(text_mb), TRUE);
174 gtk_widget_ensure_style(text_sb);
175 gtk_widget_ensure_style(text_mb);
176 if (text_sb->style && text_sb->style->font->type == GDK_FONT_FONTSET) {
180 FONT_LOAD(font, prefs_common.normalfont);
182 style = gtk_style_copy(text_sb->style);
183 gdk_font_unref(style->font);
185 gtk_widget_set_style(text_sb, style);
188 if (text_mb->style && text_mb->style->font->type == GDK_FONT_FONT) {
192 font = gdk_fontset_load(prefs_common.normalfont);
194 style = gtk_style_copy(text_mb->style);
195 gdk_font_unref(style->font);
197 gtk_widget_set_style(text_mb, style);
200 gtk_widget_ref(scrolledwin_sb);
201 gtk_widget_ref(scrolledwin_mb);
203 gtk_container_add(GTK_CONTAINER(scrolledwin_sb), text_sb);
204 gtk_container_add(GTK_CONTAINER(scrolledwin_mb), text_mb);
205 gtk_signal_connect(GTK_OBJECT(text_sb), "key_press_event",
206 GTK_SIGNAL_FUNC(textview_key_pressed),
208 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_press_event",
209 GTK_SIGNAL_FUNC(textview_button_pressed),
211 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_release_event",
212 GTK_SIGNAL_FUNC(textview_button_released),
214 gtk_signal_connect(GTK_OBJECT(text_mb), "key_press_event",
215 GTK_SIGNAL_FUNC(textview_key_pressed),
217 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_press_event",
218 GTK_SIGNAL_FUNC(textview_button_pressed),
220 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_release_event",
221 GTK_SIGNAL_FUNC(textview_button_released),
224 gtk_widget_show(scrolledwin_sb);
225 gtk_widget_show(scrolledwin_mb);
227 vbox = gtk_vbox_new(FALSE, 0);
228 gtk_box_pack_start(GTK_BOX(vbox), scrolledwin_sb, TRUE, TRUE, 0);
230 textview->vbox = vbox;
231 textview->scrolledwin = scrolledwin_sb;
232 textview->scrolledwin_sb = scrolledwin_sb;
233 textview->scrolledwin_mb = scrolledwin_mb;
234 textview->text = text_sb;
235 textview->text_sb = text_sb;
236 textview->text_mb = text_mb;
237 textview->text_is_mb = FALSE;
238 textview->uri_list = NULL;
239 textview->body_pos = 0;
240 textview->cur_pos = 0;
241 textview->show_all_headers = FALSE;
242 textview->last_buttonpress = GDK_NOTHING;
247 void textview_init(TextView *textview)
249 gtkut_widget_disable_theme_engine(textview->text_sb);
250 gtkut_widget_disable_theme_engine(textview->text_mb);
251 textview_update_message_colors();
252 textview_set_all_headers(textview, FALSE);
253 textview_set_font(textview, NULL);
256 void textview_update_message_colors(void)
258 GdkColor black = {0, 0, 0, 0};
260 if (prefs_common.enable_color) {
261 /* grab the quote colors, converting from an int to a GdkColor */
262 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
264 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
266 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
268 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
271 quote_colors[0] = quote_colors[1] = quote_colors[2] =
272 uri_color = emphasis_color = black;
276 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
281 if ((fp = fopen(file, "r")) == NULL) {
282 FILE_OP_ERROR(file, "fopen");
286 textview_show_part(textview, mimeinfo, fp);
291 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
295 const gchar *boundary = NULL;
296 gint boundary_len = 0;
297 const gchar *charset = NULL;
299 GPtrArray *headers = NULL;
302 g_return_if_fail(mimeinfo != NULL);
303 g_return_if_fail(fp != NULL);
305 if (mimeinfo->mime_type == MIME_MULTIPART) {
307 mimeinfo = mimeinfo->sub;
308 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) {
315 if (mimeinfo->parent && mimeinfo->parent->boundary) {
316 boundary = mimeinfo->parent->boundary;
317 boundary_len = strlen(boundary);
320 if (!boundary && (mimeinfo->mime_type == MIME_TEXT || mimeinfo->mime_type == MIME_TEXT_HTML || mimeinfo->mime_type == MIME_TEXT_ENRICHED)) {
322 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
324 headers = textview_scan_header(textview, fp);
326 if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) {
328 MimeInfo *parent = mimeinfo->parent;
330 while (parent->parent) {
332 parent->main->mime_type ==
335 parent = parent->parent;
338 if ((fpos = ftell(fp)) < 0)
340 else if (fseek(fp, parent->fpos, SEEK_SET) < 0)
343 headers = textview_scan_header(textview, fp);
344 if (fseek(fp, fpos, SEEK_SET) < 0)
348 /* skip MIME part headers */
349 while (fgets(buf, sizeof(buf), fp) != NULL)
350 if (buf[0] == '\r' || buf[0] == '\n') break;
353 /* display attached RFC822 single text message */
354 if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
355 if (headers) procheader_header_array_destroy(headers);
356 if (!mimeinfo->sub || mimeinfo->sub->children) return;
357 headers = textview_scan_header(textview, fp);
358 mimeinfo = mimeinfo->sub;
359 } else if (!mimeinfo->parent &&
360 mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
361 if (headers) procheader_header_array_destroy(headers);
362 if (!mimeinfo->sub) return;
363 headers = textview_scan_header(textview, fp);
364 mimeinfo = mimeinfo->sub;
367 if (prefs_common.force_charset)
368 charset = prefs_common.force_charset;
369 else if (mimeinfo->charset)
370 charset = mimeinfo->charset;
371 textview_set_font(textview, charset);
373 conv = conv_code_converter_new(charset);
375 textview_clear(textview);
376 text = GTK_STEXT(textview->text);
377 gtk_stext_freeze(text);
379 textview->body_pos = 0;
380 textview->cur_pos = 0;
383 textview_show_header(textview, headers);
384 procheader_header_array_destroy(headers);
388 tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
391 if (mimeinfo->mime_type == MIME_TEXT_HTML)
392 textview_show_html(textview, tmpfp, conv);
393 else if (mimeinfo->mime_type == MIME_TEXT_ENRICHED)
394 textview_show_ertf(textview, tmpfp, conv);
396 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
397 textview_write_line(textview, buf, conv);
401 tmpfp = procmime_get_text_content(mimeinfo, fp);
403 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
404 textview_write_line(textview, buf, conv);
409 conv_code_converter_destroy(conv);
411 gtk_stext_thaw(text);
414 #define TEXT_INSERT(str) \
415 gtk_stext_insert(text, textview->msgfont, NULL, NULL, str, -1)
417 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
421 if (!partinfo) return;
423 textview_set_font(textview, NULL);
424 text = GTK_STEXT(textview->text);
425 textview_clear(textview);
427 gtk_stext_freeze(text);
429 TEXT_INSERT(_("To save this part, pop up the context menu with "));
430 TEXT_INSERT(_("right click and select `Save as...', "));
431 TEXT_INSERT(_("or press `y' key.\n\n"));
433 TEXT_INSERT(_("To display this part as a text message, select "));
434 TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
436 TEXT_INSERT(_("To open this part with external program, select "));
437 TEXT_INSERT(_("`Open' or `Open with...', "));
438 TEXT_INSERT(_("or double-click, or click the center button, "));
439 TEXT_INSERT(_("or press `l' key."));
441 gtk_stext_thaw(text);
445 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
449 if (!partinfo) return;
451 textview_set_font(textview, NULL);
452 text = GTK_STEXT(textview->text);
453 textview_clear(textview);
455 gtk_stext_freeze(text);
457 if (partinfo->sigstatus_full == NULL) {
458 TEXT_INSERT(_("This signature has not been checked yet.\n"));
459 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
460 TEXT_INSERT(_("right click and select `Check signature'.\n"));
462 TEXT_INSERT(partinfo->sigstatus_full);
465 gtk_stext_thaw(text);
467 #endif /* USE_GPGME */
471 static void textview_show_html(TextView *textview, FILE *fp,
478 parser = html_parser_new(fp, conv);
479 g_return_if_fail(parser != NULL);
481 while ((str = html_parse(parser)) != NULL) {
482 if (parser->state == HTML_HREF) {
483 /* first time : get and copy the URL */
485 /* ALF - the sylpheed html parser returns an empty string,
486 * if still inside an <a>, but already parsed past HREF */
487 str = strtok(str, " ");
490 /* the URL may (or not) be followed by the
492 str = strtok(NULL, "");
496 textview_write_link(textview, url, str, NULL);
503 textview_write_line(textview, str, NULL);
506 html_parser_destroy(parser);
509 static void textview_show_ertf(TextView *textview, FILE *fp,
516 parser = ertf_parser_new(fp, conv);
517 g_return_if_fail(parser != NULL);
519 while ((str = ertf_parse(parser)) != NULL) {
520 textview_write_line(textview, str, NULL);
522 ertf_parser_destroy(parser);
525 /* get_uri_part() - retrieves a URI starting from scanpos.
526 Returns TRUE if succesful */
527 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
528 const gchar **bp, const gchar **ep)
532 g_return_val_if_fail(start != NULL, FALSE);
533 g_return_val_if_fail(scanpos != NULL, FALSE);
534 g_return_val_if_fail(bp != NULL, FALSE);
535 g_return_val_if_fail(ep != NULL, FALSE);
539 /* find end point of URI */
540 for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
541 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
545 /* no punctuation at end of string */
547 /* FIXME: this stripping of trailing punctuations may bite with other URIs.
548 * should pass some URI type to this function and decide on that whether
549 * to perform punctuation stripping */
551 #define IS_REAL_PUNCT(ch) (ispunct(ch) && ((ch) != '/'))
553 for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
563 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
565 return g_strndup(bp, ep - bp);
568 /* valid mail address characters */
569 #define IS_RFC822_CHAR(ch) \
574 !strchr("()<>\"", (ch)))
576 /* alphabet and number within 7bit ASCII */
577 #define IS_ASCII_ALNUM(ch) (isascii(ch) && isalnum(ch))
578 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
580 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
581 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
582 const gchar **bp, const gchar **ep)
584 /* more complex than the uri part because we need to scan back and forward starting from
585 * the scan position. */
586 gboolean result = FALSE;
587 const gchar *bp_ = NULL;
588 const gchar *ep_ = NULL;
590 /* the informative part of the email address (describing the name
591 * of the email address owner) may contain quoted parts. the
592 * closure stack stores the last encountered quotes. */
593 gchar closure_stack[128];
594 gchar *ptr = closure_stack;
596 g_return_val_if_fail(start != NULL, FALSE);
597 g_return_val_if_fail(scanpos != NULL, FALSE);
598 g_return_val_if_fail(bp != NULL, FALSE);
599 g_return_val_if_fail(ep != NULL, FALSE);
601 /* scan start of address */
602 for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
605 /* TODO: should start with an alnum? */
607 for (; bp_ < scanpos && !IS_ASCII_ALNUM(*bp_); bp_++)
610 if (bp_ != scanpos) {
611 /* scan end of address */
612 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
615 /* TODO: really should terminate with an alnum? */
616 for (; ep_ > scanpos && !IS_ASCII_ALNUM(*ep_); --ep_)
620 if (ep_ > scanpos + 1) {
627 if (!result) return FALSE;
629 /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
630 if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
633 /* see if this is <bracketed>; in this case we also scan for the informative part. */
634 if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
637 #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
638 #define IN_STACK() (ptr > closure_stack)
639 /* has underrun check */
640 #define POP_STACK() if(IN_STACK()) --ptr
641 /* has overrun check */
642 #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE
643 /* has underrun check */
644 #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0)
648 /* scan for the informative part. */
649 for (bp_ -= 2; bp_ >= start; bp_--) {
650 /* if closure on the stack keep scanning */
651 if (PEEK_STACK() == *bp_) {
655 if (*bp_ == '\'' || *bp_ == '"') {
660 /* if nothing in the closure stack, do the special conditions
661 * the following if..else expression simply checks whether
662 * a token is acceptable. if not acceptable, the clause
663 * should terminate the loop with a 'break' */
666 && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
667 && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) {
668 /* hyphens are allowed, but only in
670 } else if (!ispunct(*bp_)) {
671 /* but anything not being a punctiation
674 break; /* anything else is rejected */
687 /* scan forward (should start with an alnum) */
688 for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
698 #undef IS_RFC822_CHAR
700 static gchar *make_email_string(const gchar *bp, const gchar *ep)
702 /* returns a mailto: URI; mailto: is also used to detect the
703 * uri type later on in the button_pressed signal handler */
707 tmp = g_strndup(bp, ep - bp);
708 result = g_strconcat("mailto:", tmp, NULL);
714 #define ADD_TXT_POS(bp_, ep_, pti_) \
715 if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
717 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
720 g_warning("alloc error scanning URIs\n"); \
721 gtk_stext_insert(text, textview->msgfont, fg_color, NULL, \
726 /* textview_make_clickable_parts() - colorizes clickable parts */
727 static void textview_make_clickable_parts(TextView *textview,
731 const gchar *linebuf)
733 /* parse table - in order of priority */
735 const gchar *needle; /* token */
737 /* token search function */
738 gchar *(*search) (const gchar *haystack,
739 const gchar *needle);
740 /* part parsing function */
741 gboolean (*parse) (const gchar *start,
742 const gchar *scanpos,
745 /* part to URI function */
746 gchar *(*build_uri) (const gchar *bp,
750 static struct table parser[] = {
751 {"http://", strcasestr, get_uri_part, make_uri_string},
752 {"https://", strcasestr, get_uri_part, make_uri_string},
753 {"ftp://", strcasestr, get_uri_part, make_uri_string},
754 {"mailto:", strcasestr, get_uri_part, make_uri_string},
755 {"@", strcasestr, get_email_part, make_email_string}
757 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
760 const gchar *walk, *bp, *ep;
763 const gchar *bp, *ep; /* text position */
764 gint pti; /* index in parse table */
765 struct txtpos *next; /* next */
766 } head = {NULL, NULL, 0, NULL}, *last = &head;
768 GtkSText *text = GTK_STEXT(textview->text);
770 /* parse for clickable parts, and build a list of begin and end positions */
771 for (walk = linebuf, n = 0;;) {
772 gint last_index = PARSE_ELEMS;
773 gchar *scanpos = NULL;
775 /* FIXME: this looks phony. scanning for anything in the parse table */
776 for (n = 0; n < PARSE_ELEMS; n++) {
779 tmp = parser[n].search(walk, parser[n].needle);
781 if (scanpos == NULL || tmp < scanpos) {
789 /* check if URI can be parsed */
790 if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
791 && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
792 ADD_TXT_POS(bp, ep, last_index);
796 strlen(parser[last_index].needle);
801 /* colorize this line */
803 const gchar *normal_text = linebuf;
806 for (last = head.next; last != NULL;
807 normal_text = last->ep, last = last->next) {
810 uri = g_new(RemoteURI, 1);
811 if (last->bp - normal_text > 0)
812 gtk_stext_insert(text, font,
815 last->bp - normal_text);
816 uri->uri = parser[last->pti].build_uri(last->bp,
818 uri->start = gtk_stext_get_point(text);
819 gtk_stext_insert(text, font, uri_color,
820 NULL, last->bp, last->ep - last->bp);
821 uri->end = gtk_stext_get_point(text);
823 g_slist_append(textview->uri_list, uri);
827 gtk_stext_insert(text, font, fg_color,
828 NULL, normal_text, -1);
830 gtk_stext_insert(text, font, fg_color, NULL, linebuf, -1);
835 /* This function writes str as a double-clickable link with the given url. */
836 static void textview_write_link(TextView *textview, const gchar *url,
837 const gchar *str, CodeConverter *conv)
839 GdkColor *link_color = NULL;
841 GtkSText *text = GTK_STEXT(textview->text);
844 /* this part is taken from textview_write_line. Right now the only place
845 * that calls this function passes NULL for conv, but you never know. */
847 strncpy2(buf, str, sizeof(buf));
848 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
849 gtk_stext_insert(text, textview->msgfont,
850 prefs_common.enable_color
851 ? &error_color : NULL, NULL,
852 "*** Warning: code conversion failed ***\n",
857 /* this part is based on the code in make_clickable_parts */
858 if (prefs_common.enable_color) {
859 link_color = &uri_color;
861 uri = g_new(RemoteURI, 1);
862 uri->uri = g_strdup(url);
863 uri->start = gtk_stext_get_point(text);
864 gtk_stext_insert(text, textview->msgfont, link_color, NULL, buf,
866 uri->end = gtk_stext_get_point(text);
867 textview->uri_list = g_slist_append(textview->uri_list, uri);
870 static void textview_write_line(TextView *textview, const gchar *str,
873 GtkSText *text = GTK_STEXT(textview->text);
876 gint quotelevel = -1;
879 strncpy2(buf, str, sizeof(buf));
880 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
881 gtk_stext_insert(text, textview->msgfont,
882 prefs_common.enable_color
883 ? &error_color : NULL, NULL,
884 "*** Warning: code conversion failed ***\n",
890 if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
893 /* change color of quotation
894 >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
895 Up to 3 levels of quotations are detected, and each
896 level is colored using a different color. */
897 if (prefs_common.enable_color && strchr(buf, '>')) {
898 quotelevel = get_quote_level(buf);
900 /* set up the correct foreground color */
901 if (quotelevel > 2) {
903 if (prefs_common.recycle_quote_colors)
910 if (quotelevel == -1)
913 fg_color = "e_colors[quotelevel];
915 if (prefs_common.head_space && spacingfont && buf[0] != '\n')
916 gtk_stext_insert(text, spacingfont, NULL, NULL, " ", 1);
918 if (prefs_common.enable_color)
919 textview_make_clickable_parts(textview, textview->msgfont,
920 fg_color, &uri_color, buf);
922 textview_make_clickable_parts(textview, textview->msgfont,
923 fg_color, NULL, buf);
926 void textview_clear(TextView *textview)
928 GtkSText *text = GTK_STEXT(textview->text);
930 gtk_stext_freeze(text);
931 gtk_stext_set_point(text, 0);
932 gtk_stext_forward_delete(text, gtk_stext_get_length(text));
933 gtk_stext_thaw(text);
935 textview_uri_list_remove_all(textview->uri_list);
936 textview->uri_list = NULL;
939 void textview_destroy(TextView *textview)
941 textview_uri_list_remove_all(textview->uri_list);
942 textview->uri_list = NULL;
944 if (!textview->scrolledwin_sb->parent)
945 gtk_widget_destroy(textview->scrolledwin_sb);
946 if (!textview->scrolledwin_mb->parent)
947 gtk_widget_destroy(textview->scrolledwin_mb);
949 if (textview->msgfont) {
950 textview->msgfont->ascent = textview->prev_ascent;
951 textview->msgfont->descent = textview->prev_descent;
952 gdk_font_unref(textview->msgfont);
954 if (textview->boldfont)
955 gdk_font_unref(textview->boldfont);
960 void textview_set_all_headers(TextView *textview, gboolean all_headers)
962 textview->show_all_headers = all_headers;
965 void textview_set_font(TextView *textview, const gchar *codeset)
967 gboolean use_fontset = TRUE;
969 /* In multi-byte mode, GtkSText can't display 8bit characters
970 correctly, so it must be single-byte mode. */
971 if (MB_CUR_MAX > 1) {
973 if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
974 !g_strcasecmp(codeset, "BALTIC"))
976 else if (conv_get_current_charset() != C_EUC_JP &&
977 (!g_strncasecmp(codeset, "KOI8-", 5) ||
978 !g_strncasecmp(codeset, "CP", 2) ||
979 !g_strncasecmp(codeset, "WINDOWS-", 8)))
985 if (textview->text_is_mb && !use_fontset) {
988 parent = textview->scrolledwin_mb->parent;
989 gtkut_container_remove(GTK_CONTAINER(parent),
990 textview->scrolledwin_mb);
991 gtk_container_add(GTK_CONTAINER(parent),
992 textview->scrolledwin_sb);
994 textview->text = textview->text_sb;
995 textview->text_is_mb = FALSE;
996 } else if (!textview->text_is_mb && use_fontset) {
999 parent = textview->scrolledwin_sb->parent;
1000 gtkut_container_remove(GTK_CONTAINER(parent),
1001 textview->scrolledwin_sb);
1002 gtk_container_add(GTK_CONTAINER(parent),
1003 textview->scrolledwin_mb);
1005 textview->text = textview->text_mb;
1006 textview->text_is_mb = TRUE;
1009 if (prefs_common.textfont) {
1010 if (textview->msgfont) {
1011 textview->msgfont->ascent = textview->prev_ascent;
1012 textview->msgfont->descent = textview->prev_descent;
1013 gdk_font_unref(textview->msgfont);
1014 textview->msgfont = NULL;
1018 gdk_fontset_load(prefs_common.textfont);
1020 if (MB_CUR_MAX > 1) {
1021 FONT_LOAD(textview->msgfont,
1022 "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
1024 FONT_LOAD(textview->msgfont,
1025 prefs_common.textfont);
1029 if (textview->msgfont) {
1030 gint ascent, descent;
1032 textview->prev_ascent = textview->msgfont->ascent;
1033 textview->prev_descent = textview->msgfont->descent;
1034 descent = prefs_common.line_space / 2;
1035 ascent = prefs_common.line_space - descent;
1036 textview->msgfont->ascent += ascent;
1037 textview->msgfont->descent += descent;
1041 if (!textview->boldfont)
1042 FONT_LOAD(textview->boldfont, BOLD_FONT);
1044 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
1060 H_ORGANIZATION = 11,
1063 void textview_set_position(TextView *textview, gint pos)
1067 gtk_stext_get_length(GTK_STEXT(textview->text));
1069 textview->cur_pos = pos;
1073 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1075 gchar buf[BUFFSIZE];
1076 GPtrArray *headers, *sorted_headers;
1077 GSList *disphdr_list;
1081 g_return_val_if_fail(fp != NULL, NULL);
1083 if (textview->show_all_headers)
1084 return procheader_get_header_array_asis(fp);
1086 if (!prefs_common.display_header) {
1087 while (fgets(buf, sizeof(buf), fp) != NULL)
1088 if (buf[0] == '\r' || buf[0] == '\n') break;
1092 headers = procheader_get_header_array_asis(fp);
1094 sorted_headers = g_ptr_array_new();
1096 for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1097 disphdr_list = disphdr_list->next) {
1098 DisplayHeaderProp *dp =
1099 (DisplayHeaderProp *)disphdr_list->data;
1101 for (i = 0; i < headers->len; i++) {
1102 header = g_ptr_array_index(headers, i);
1104 if (procheader_headername_equal(header->name,
1107 procheader_header_free(header);
1109 g_ptr_array_add(sorted_headers, header);
1111 g_ptr_array_remove_index(headers, i);
1117 if (prefs_common.show_other_header) {
1118 for (i = 0; i < headers->len; i++) {
1119 header = g_ptr_array_index(headers, i);
1120 g_ptr_array_add(sorted_headers, header);
1124 g_ptr_array_free(headers, FALSE);
1126 return sorted_headers;
1129 static void textview_show_header(TextView *textview, GPtrArray *headers)
1131 GtkSText *text = GTK_STEXT(textview->text);
1135 g_return_if_fail(headers != NULL);
1137 gtk_stext_freeze(text);
1139 for (i = 0; i < headers->len; i++) {
1140 header = g_ptr_array_index(headers, i);
1141 g_return_if_fail(header->name != NULL);
1143 gtk_stext_insert(text, textview->boldfont, NULL, NULL,
1145 if (header->name[strlen(header->name) - 1] != ' ')
1146 gtk_stext_insert(text, textview->boldfont,
1147 NULL, NULL, " ", 1);
1149 if (procheader_headername_equal(header->name, "Subject") ||
1150 procheader_headername_equal(header->name, "From") ||
1151 procheader_headername_equal(header->name, "To") ||
1152 procheader_headername_equal(header->name, "Cc"))
1153 unfold_line(header->body);
1155 if (prefs_common.enable_color &&
1156 (procheader_headername_equal(header->name, "X-Mailer") ||
1157 procheader_headername_equal(header->name,
1159 strstr(header->body, "Sylpheed") != NULL)
1160 gtk_stext_insert(text, NULL, &emphasis_color, NULL,
1162 else if (prefs_common.enable_color) {
1163 textview_make_clickable_parts(textview,
1164 NULL, NULL, &uri_color,
1167 textview_make_clickable_parts(textview,
1171 gtk_stext_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1174 gtk_stext_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1175 gtk_stext_thaw(text);
1176 textview->body_pos = gtk_stext_get_length(text);
1179 gboolean textview_search_string(TextView *textview, const gchar *str,
1182 GtkSText *text = GTK_STEXT(textview->text);
1187 gboolean found = FALSE;
1189 g_return_val_if_fail(str != NULL, FALSE);
1191 wcs = strdup_mbstowcs(str);
1192 g_return_val_if_fail(wcs != NULL, FALSE);
1194 pos = textview->cur_pos;
1195 if (pos < textview->body_pos)
1196 pos = textview->body_pos;
1197 text_len = gtk_stext_get_length(text);
1198 if (text_len - pos < len) {
1203 for (; pos < text_len; pos++) {
1204 if (text_len - pos < len) break;
1205 if (gtkut_stext_match_string(text, pos, wcs, len, case_sens)
1207 gtk_editable_set_position(GTK_EDITABLE(text),
1209 gtk_editable_select_region(GTK_EDITABLE(text),
1211 textview_set_position(textview, pos + len);
1215 if (text_len - pos == len) break;
1222 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1225 GtkSText *text = GTK_STEXT(textview->text);
1230 gboolean found = FALSE;
1232 g_return_val_if_fail(str != NULL, FALSE);
1234 wcs = strdup_mbstowcs(str);
1235 g_return_val_if_fail(wcs != NULL, FALSE);
1237 pos = textview->cur_pos;
1238 text_len = gtk_stext_get_length(text);
1239 if (text_len - textview->body_pos < len) {
1243 if (pos <= textview->body_pos || text_len - pos < len)
1244 pos = text_len - len;
1246 for (; pos >= textview->body_pos; pos--) {
1247 if (gtkut_stext_match_string(text, pos, wcs, len, case_sens)
1249 gtk_editable_set_position(GTK_EDITABLE(text), pos);
1250 gtk_editable_select_region(GTK_EDITABLE(text),
1252 textview_set_position(textview, pos - 1);
1256 if (pos == textview->body_pos) break;
1263 void textview_scroll_one_line(TextView *textview, gboolean up)
1265 GtkSText *text = GTK_STEXT(textview->text);
1268 if (prefs_common.enable_smooth_scroll) {
1269 textview_smooth_scroll_one_line(textview, up);
1274 upper = text->vadj->upper - text->vadj->page_size;
1275 if (text->vadj->value < upper) {
1276 text->vadj->value +=
1277 text->vadj->step_increment * 4;
1279 MIN(text->vadj->value, upper);
1280 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1284 if (text->vadj->value > 0.0) {
1285 text->vadj->value -=
1286 text->vadj->step_increment * 4;
1288 MAX(text->vadj->value, 0.0);
1289 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1295 gboolean textview_scroll_page(TextView *textview, gboolean up)
1297 GtkSText *text = GTK_STEXT(textview->text);
1301 if (prefs_common.enable_smooth_scroll)
1302 return textview_smooth_scroll_page(textview, up);
1304 if (prefs_common.scroll_halfpage)
1305 page_incr = text->vadj->page_increment / 2;
1307 page_incr = text->vadj->page_increment;
1310 upper = text->vadj->upper - text->vadj->page_size;
1311 if (text->vadj->value < upper) {
1312 text->vadj->value += page_incr;
1313 text->vadj->value = MIN(text->vadj->value, upper);
1314 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1319 if (text->vadj->value > 0.0) {
1320 text->vadj->value -= page_incr;
1321 text->vadj->value = MAX(text->vadj->value, 0.0);
1322 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1331 static void textview_smooth_scroll_do(TextView *textview,
1332 gfloat old_value, gfloat last_value,
1335 GtkSText *text = GTK_STEXT(textview->text);
1340 if (old_value < last_value) {
1341 change_value = last_value - old_value;
1344 change_value = old_value - last_value;
1348 gdk_key_repeat_disable();
1350 for (i = step; i <= change_value; i += step) {
1351 text->vadj->value = old_value + (up ? -i : i);
1352 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1356 text->vadj->value = last_value;
1357 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1359 gdk_key_repeat_restore();
1362 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1364 GtkSText *text = GTK_STEXT(textview->text);
1370 upper = text->vadj->upper - text->vadj->page_size;
1371 if (text->vadj->value < upper) {
1372 old_value = text->vadj->value;
1373 last_value = text->vadj->value +
1374 text->vadj->step_increment * 4;
1375 last_value = MIN(last_value, upper);
1377 textview_smooth_scroll_do(textview, old_value,
1379 prefs_common.scroll_step);
1382 if (text->vadj->value > 0.0) {
1383 old_value = text->vadj->value;
1384 last_value = text->vadj->value -
1385 text->vadj->step_increment * 4;
1386 last_value = MAX(last_value, 0.0);
1388 textview_smooth_scroll_do(textview, old_value,
1390 prefs_common.scroll_step);
1395 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1397 GtkSText *text = GTK_STEXT(textview->text);
1403 if (prefs_common.scroll_halfpage)
1404 page_incr = text->vadj->page_increment / 2;
1406 page_incr = text->vadj->page_increment;
1409 upper = text->vadj->upper - text->vadj->page_size;
1410 if (text->vadj->value < upper) {
1411 old_value = text->vadj->value;
1412 last_value = text->vadj->value + page_incr;
1413 last_value = MIN(last_value, upper);
1415 textview_smooth_scroll_do(textview, old_value,
1417 prefs_common.scroll_step);
1421 if (text->vadj->value > 0.0) {
1422 old_value = text->vadj->value;
1423 last_value = text->vadj->value - page_incr;
1424 last_value = MAX(last_value, 0.0);
1426 textview_smooth_scroll_do(textview, old_value,
1428 prefs_common.scroll_step);
1436 #define KEY_PRESS_EVENT_STOP() \
1437 if (gtk_signal_n_emissions_by_name \
1438 (GTK_OBJECT(widget), "key_press_event") > 0) { \
1439 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), \
1440 "key_press_event"); \
1443 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1446 SummaryView *summaryview = NULL;
1447 MessageView *messageview = textview->messageview;
1449 if (!event) return FALSE;
1450 if (messageview->mainwin)
1451 summaryview = messageview->mainwin->summaryview;
1453 switch (event->keyval) {
1468 summary_pass_key_press_event(summaryview, event);
1470 textview_scroll_page(textview, FALSE);
1473 textview_scroll_page(textview, TRUE);
1476 textview_scroll_one_line(textview,
1477 (event->state & GDK_MOD1_MASK) != 0);
1486 if (messageview->type == MVIEW_MIME) {
1487 KEY_PRESS_EVENT_STOP();
1488 mimeview_pass_key_press_event(messageview->mimeview,
1495 summary_pass_key_press_event(summaryview, event);
1502 static gint textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1506 textview->last_buttonpress = event->type;
1510 static gint textview_button_released(GtkWidget *widget, GdkEventButton *event,
1514 gtk_editable_get_position(GTK_EDITABLE(textview->text));
1517 ((event->button == 1 && textview->last_buttonpress == GDK_2BUTTON_PRESS)
1518 || event->button == 2 || event->button == 3)) {
1521 /* double click seems to set the cursor after the current
1522 * word. The cursor position needs fixing, otherwise the
1523 * last word of a clickable zone will not work */
1524 if (event->button == 1 && textview->last_buttonpress == GDK_2BUTTON_PRESS) {
1525 textview->cur_pos--;
1528 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1529 RemoteURI *uri = (RemoteURI *)cur->data;
1531 if (textview->cur_pos >= uri->start &&
1532 textview->cur_pos < uri->end) {
1533 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1534 if (event->button == 3) {
1535 gchar *fromname, *fromaddress;
1536 GdkEventButton tmpev;
1539 fromaddress = g_strdup(uri->uri + 7);
1540 /* Hiroyuki: please put this function in utils.c! */
1541 fromname = procheader_get_fromname(fromaddress);
1542 extract_address(fromaddress);
1543 g_message("adding from textview %s <%s>", fromname, fromaddress);
1544 /* Add to address book - Match */
1545 addressbook_add_contact( fromname, fromaddress, NULL );
1547 g_free(fromaddress);
1550 PrefsAccount *account = NULL;
1551 FolderItem *folder_item;
1553 if (textview->messageview && textview->messageview->mainwin
1554 && textview->messageview->mainwin->summaryview
1555 && textview->messageview->mainwin->summaryview->folder_item) {
1556 folder_item = textview->messageview->mainwin->summaryview->folder_item;
1557 if (folder_item->prefs && folder_item->prefs->enable_default_account)
1558 account = account_find_from_id(folder_item->prefs->default_account);
1560 compose_new_with_recipient
1561 (account, uri->uri + 7);
1565 prefs_common.uri_cmd);
1571 textview->last_buttonpress = event->type;
1575 static void textview_uri_list_remove_all(GSList *uri_list)
1579 for (cur = uri_list; cur != NULL; cur = cur->next) {
1581 g_free(((RemoteURI *)cur->data)->uri);
1586 g_slist_free(uri_list);