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 *text_sb_font;
103 static GdkFont *text_mb_font;
104 static gint text_sb_font_orig_ascent;
105 static gint text_sb_font_orig_descent;
106 static gint text_mb_font_orig_ascent;
107 static gint text_mb_font_orig_descent;
108 static GdkFont *spacingfont;
110 static void textview_show_ertf (TextView *textview,
112 CodeConverter *conv);
113 static void textview_show_html (TextView *textview,
115 CodeConverter *conv);
116 static void textview_write_line (TextView *textview,
118 CodeConverter *conv);
119 static void textview_write_link (TextView *textview,
122 CodeConverter *conv);
123 static GPtrArray *textview_scan_header (TextView *textview,
125 static void textview_show_header (TextView *textview,
128 static gint textview_key_pressed (GtkWidget *widget,
131 static gint textview_button_pressed (GtkWidget *widget,
132 GdkEventButton *event,
134 static gint textview_button_released (GtkWidget *widget,
135 GdkEventButton *event,
138 static void textview_uri_list_remove_all(GSList *uri_list);
140 static void textview_smooth_scroll_do (TextView *textview,
144 static void textview_smooth_scroll_one_line (TextView *textview,
146 static gboolean textview_smooth_scroll_page (TextView *textview,
150 TextView *textview_create(void)
154 GtkWidget *scrolledwin_sb;
155 GtkWidget *scrolledwin_mb;
159 debug_print(_("Creating text view...\n"));
160 textview = g_new0(TextView, 1);
162 scrolledwin_sb = gtk_scrolled_window_new(NULL, NULL);
163 scrolledwin_mb = gtk_scrolled_window_new(NULL, NULL);
164 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_sb),
165 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
166 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_mb),
167 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
168 gtk_widget_set_usize(scrolledwin_sb, prefs_common.mainview_width, -1);
169 gtk_widget_set_usize(scrolledwin_mb, prefs_common.mainview_width, -1);
171 /* create GtkSText widgets for single-byte and multi-byte character */
172 text_sb = gtk_stext_new(NULL, NULL);
173 text_mb = gtk_stext_new(NULL, NULL);
174 GTK_STEXT(text_sb)->default_tab_width = 8;
175 GTK_STEXT(text_mb)->default_tab_width = 8;
176 gtk_widget_show(text_sb);
177 gtk_widget_show(text_mb);
178 gtk_stext_set_word_wrap(GTK_STEXT(text_sb), TRUE);
179 gtk_stext_set_word_wrap(GTK_STEXT(text_mb), TRUE);
180 gtk_widget_ensure_style(text_sb);
181 gtk_widget_ensure_style(text_mb);
182 if (text_sb->style && text_sb->style->font->type == GDK_FONT_FONTSET) {
186 FONT_LOAD(font, prefs_common.normalfont);
188 style = gtk_style_copy(text_sb->style);
189 gdk_font_unref(style->font);
191 gtk_widget_set_style(text_sb, style);
194 if (text_mb->style && text_mb->style->font->type == GDK_FONT_FONT) {
198 font = gdk_fontset_load(prefs_common.normalfont);
200 style = gtk_style_copy(text_mb->style);
201 gdk_font_unref(style->font);
203 gtk_widget_set_style(text_mb, style);
206 gtk_widget_ref(scrolledwin_sb);
207 gtk_widget_ref(scrolledwin_mb);
209 gtk_container_add(GTK_CONTAINER(scrolledwin_sb), text_sb);
210 gtk_container_add(GTK_CONTAINER(scrolledwin_mb), text_mb);
211 gtk_signal_connect(GTK_OBJECT(text_sb), "key_press_event",
212 GTK_SIGNAL_FUNC(textview_key_pressed),
214 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_press_event",
215 GTK_SIGNAL_FUNC(textview_button_pressed),
217 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_release_event",
218 GTK_SIGNAL_FUNC(textview_button_released),
220 gtk_signal_connect(GTK_OBJECT(text_mb), "key_press_event",
221 GTK_SIGNAL_FUNC(textview_key_pressed),
223 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_press_event",
224 GTK_SIGNAL_FUNC(textview_button_pressed),
226 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_release_event",
227 GTK_SIGNAL_FUNC(textview_button_released),
230 gtk_widget_show(scrolledwin_sb);
231 gtk_widget_show(scrolledwin_mb);
233 vbox = gtk_vbox_new(FALSE, 0);
234 gtk_box_pack_start(GTK_BOX(vbox), scrolledwin_sb, TRUE, TRUE, 0);
236 gtk_widget_show(vbox);
238 textview->vbox = vbox;
239 textview->scrolledwin = scrolledwin_sb;
240 textview->scrolledwin_sb = scrolledwin_sb;
241 textview->scrolledwin_mb = scrolledwin_mb;
242 textview->text = text_sb;
243 textview->text_sb = text_sb;
244 textview->text_mb = text_mb;
245 textview->text_is_mb = FALSE;
246 textview->uri_list = NULL;
247 textview->body_pos = 0;
248 textview->cur_pos = 0;
249 textview->show_all_headers = FALSE;
250 textview->last_buttonpress = GDK_NOTHING;
255 void textview_init(TextView *textview)
257 gtkut_widget_disable_theme_engine(textview->text_sb);
258 gtkut_widget_disable_theme_engine(textview->text_mb);
259 textview_update_message_colors();
260 textview_set_all_headers(textview, FALSE);
261 textview_set_font(textview, NULL);
264 void textview_update_message_colors(void)
266 GdkColor black = {0, 0, 0, 0};
268 if (prefs_common.enable_color) {
269 /* grab the quote colors, converting from an int to a GdkColor */
270 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
272 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
274 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
276 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
279 quote_colors[0] = quote_colors[1] = quote_colors[2] =
280 uri_color = emphasis_color = black;
284 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
289 if ((fp = fopen(file, "r")) == NULL) {
290 FILE_OP_ERROR(file, "fopen");
294 textview_show_part(textview, mimeinfo, fp);
299 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
303 const gchar *boundary = NULL;
304 gint boundary_len = 0;
305 const gchar *charset = NULL;
307 GPtrArray *headers = NULL;
310 g_return_if_fail(mimeinfo != NULL);
311 g_return_if_fail(fp != NULL);
313 if (mimeinfo->mime_type == MIME_MULTIPART) {
315 mimeinfo = mimeinfo->sub;
316 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) {
323 if (mimeinfo->parent && mimeinfo->parent->boundary) {
324 boundary = mimeinfo->parent->boundary;
325 boundary_len = strlen(boundary);
328 if (!boundary && (mimeinfo->mime_type == MIME_TEXT || mimeinfo->mime_type == MIME_TEXT_HTML || mimeinfo->mime_type == MIME_TEXT_ENRICHED)) {
330 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
332 headers = textview_scan_header(textview, fp);
334 if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) {
336 MimeInfo *parent = mimeinfo->parent;
338 while (parent->parent) {
340 parent->main->mime_type ==
343 parent = parent->parent;
346 if ((fpos = ftell(fp)) < 0)
348 else if (fseek(fp, parent->fpos, SEEK_SET) < 0)
351 headers = textview_scan_header(textview, fp);
352 if (fseek(fp, fpos, SEEK_SET) < 0)
356 /* skip MIME part headers */
357 while (fgets(buf, sizeof(buf), fp) != NULL)
358 if (buf[0] == '\r' || buf[0] == '\n') break;
361 /* display attached RFC822 single text message */
362 if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
363 if (headers) procheader_header_array_destroy(headers);
364 if (!mimeinfo->sub || mimeinfo->sub->children) return;
365 headers = textview_scan_header(textview, fp);
366 mimeinfo = mimeinfo->sub;
367 } else if (!mimeinfo->parent &&
368 mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
369 if (headers) procheader_header_array_destroy(headers);
370 if (!mimeinfo->sub) return;
371 headers = textview_scan_header(textview, fp);
372 mimeinfo = mimeinfo->sub;
375 if (prefs_common.force_charset)
376 charset = prefs_common.force_charset;
377 else if (mimeinfo->charset)
378 charset = mimeinfo->charset;
379 textview_set_font(textview, charset);
381 conv = conv_code_converter_new(charset);
383 textview_clear(textview);
384 text = GTK_STEXT(textview->text);
385 gtk_stext_freeze(text);
387 textview->body_pos = 0;
388 textview->cur_pos = 0;
391 textview_show_header(textview, headers);
392 procheader_header_array_destroy(headers);
396 tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
399 if (mimeinfo->mime_type == MIME_TEXT_HTML)
400 textview_show_html(textview, tmpfp, conv);
401 else if (mimeinfo->mime_type == MIME_TEXT_ENRICHED)
402 textview_show_ertf(textview, tmpfp, conv);
404 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
405 textview_write_line(textview, buf, conv);
409 tmpfp = procmime_get_text_content(mimeinfo, fp);
411 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
412 textview_write_line(textview, buf, conv);
417 conv_code_converter_destroy(conv);
419 gtk_stext_thaw(text);
422 #define TEXT_INSERT(str) \
423 gtk_stext_insert(text, textview->msgfont, NULL, NULL, str, -1)
425 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
429 if (!partinfo) return;
431 textview_set_font(textview, NULL);
432 text = GTK_STEXT(textview->text);
433 textview_clear(textview);
435 gtk_stext_freeze(text);
437 TEXT_INSERT(_("To save this part, pop up the context menu with "));
438 TEXT_INSERT(_("right click and select `Save as...', "));
439 TEXT_INSERT(_("or press `y' key.\n\n"));
441 TEXT_INSERT(_("To display this part as a text message, select "));
442 TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
444 TEXT_INSERT(_("To open this part with external program, select "));
445 TEXT_INSERT(_("`Open' or `Open with...', "));
446 TEXT_INSERT(_("or double-click, or click the center button, "));
447 TEXT_INSERT(_("or press `l' key."));
449 gtk_stext_thaw(text);
453 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
457 if (!partinfo) return;
459 textview_set_font(textview, NULL);
460 text = GTK_STEXT(textview->text);
461 textview_clear(textview);
463 gtk_stext_freeze(text);
465 if (partinfo->sigstatus_full == NULL) {
466 TEXT_INSERT(_("This signature has not been checked yet.\n"));
467 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
468 TEXT_INSERT(_("right click and select `Check signature'.\n"));
470 TEXT_INSERT(partinfo->sigstatus_full);
473 gtk_stext_thaw(text);
475 #endif /* USE_GPGME */
479 static void textview_show_html(TextView *textview, FILE *fp,
486 parser = html_parser_new(fp, conv);
487 g_return_if_fail(parser != NULL);
489 while ((str = html_parse(parser)) != NULL) {
490 if (parser->state == HTML_HREF) {
491 /* first time : get and copy the URL */
493 /* ALF - the sylpheed html parser returns an empty string,
494 * if still inside an <a>, but already parsed past HREF */
495 str = strtok(str, " ");
498 /* the URL may (or not) be followed by the
500 str = strtok(NULL, "");
504 textview_write_link(textview, url, str, NULL);
511 textview_write_line(textview, str, NULL);
514 html_parser_destroy(parser);
517 static void textview_show_ertf(TextView *textview, FILE *fp,
524 parser = ertf_parser_new(fp, conv);
525 g_return_if_fail(parser != NULL);
527 while ((str = ertf_parse(parser)) != NULL) {
528 textview_write_line(textview, str, NULL);
530 ertf_parser_destroy(parser);
533 /* get_uri_part() - retrieves a URI starting from scanpos.
534 Returns TRUE if succesful */
535 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
536 const gchar **bp, const gchar **ep)
540 g_return_val_if_fail(start != NULL, FALSE);
541 g_return_val_if_fail(scanpos != NULL, FALSE);
542 g_return_val_if_fail(bp != NULL, FALSE);
543 g_return_val_if_fail(ep != NULL, FALSE);
547 /* find end point of URI */
548 for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
549 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
553 /* no punctuation at end of string */
555 /* FIXME: this stripping of trailing punctuations may bite with other URIs.
556 * should pass some URI type to this function and decide on that whether
557 * to perform punctuation stripping */
559 #define IS_REAL_PUNCT(ch) (ispunct(ch) && ((ch) != '/'))
561 for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
571 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
573 return g_strndup(bp, ep - bp);
576 /* valid mail address characters */
577 #define IS_RFC822_CHAR(ch) \
582 !strchr("()<>\"", (ch)))
584 /* alphabet and number within 7bit ASCII */
585 #define IS_ASCII_ALNUM(ch) (isascii(ch) && isalnum(ch))
586 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
588 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
589 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
590 const gchar **bp, const gchar **ep)
592 /* more complex than the uri part because we need to scan back and forward starting from
593 * the scan position. */
594 gboolean result = FALSE;
595 const gchar *bp_ = NULL;
596 const gchar *ep_ = NULL;
598 /* the informative part of the email address (describing the name
599 * of the email address owner) may contain quoted parts. the
600 * closure stack stores the last encountered quotes. */
601 gchar closure_stack[128];
602 gchar *ptr = closure_stack;
604 g_return_val_if_fail(start != NULL, FALSE);
605 g_return_val_if_fail(scanpos != NULL, FALSE);
606 g_return_val_if_fail(bp != NULL, FALSE);
607 g_return_val_if_fail(ep != NULL, FALSE);
609 /* scan start of address */
610 for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
613 /* TODO: should start with an alnum? */
615 for (; bp_ < scanpos && !IS_ASCII_ALNUM(*bp_); bp_++)
618 if (bp_ != scanpos) {
619 /* scan end of address */
620 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
623 /* TODO: really should terminate with an alnum? */
624 for (; ep_ > scanpos && !IS_ASCII_ALNUM(*ep_); --ep_)
628 if (ep_ > scanpos + 1) {
635 if (!result) return FALSE;
637 /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
638 if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
641 /* see if this is <bracketed>; in this case we also scan for the informative part. */
642 if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
645 #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
646 #define IN_STACK() (ptr > closure_stack)
647 /* has underrun check */
648 #define POP_STACK() if(IN_STACK()) --ptr
649 /* has overrun check */
650 #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE
651 /* has underrun check */
652 #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0)
656 /* scan for the informative part. */
657 for (bp_ -= 2; bp_ >= start; bp_--) {
658 /* if closure on the stack keep scanning */
659 if (PEEK_STACK() == *bp_) {
663 if (*bp_ == '\'' || *bp_ == '"') {
668 /* if nothing in the closure stack, do the special conditions
669 * the following if..else expression simply checks whether
670 * a token is acceptable. if not acceptable, the clause
671 * should terminate the loop with a 'break' */
674 && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
675 && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) {
676 /* hyphens are allowed, but only in
678 } else if (!ispunct(*bp_)) {
679 /* but anything not being a punctiation
682 break; /* anything else is rejected */
695 /* scan forward (should start with an alnum) */
696 for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
706 #undef IS_RFC822_CHAR
708 static gchar *make_email_string(const gchar *bp, const gchar *ep)
710 /* returns a mailto: URI; mailto: is also used to detect the
711 * uri type later on in the button_pressed signal handler */
715 tmp = g_strndup(bp, ep - bp);
716 result = g_strconcat("mailto:", tmp, NULL);
722 #define ADD_TXT_POS(bp_, ep_, pti_) \
723 if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
725 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
728 g_warning("alloc error scanning URIs\n"); \
729 gtk_stext_insert(text, textview->msgfont, fg_color, NULL, \
734 /* textview_make_clickable_parts() - colorizes clickable parts */
735 static void textview_make_clickable_parts(TextView *textview,
739 const gchar *linebuf)
741 /* parse table - in order of priority */
743 const gchar *needle; /* token */
745 /* token search function */
746 gchar *(*search) (const gchar *haystack,
747 const gchar *needle);
748 /* part parsing function */
749 gboolean (*parse) (const gchar *start,
750 const gchar *scanpos,
753 /* part to URI function */
754 gchar *(*build_uri) (const gchar *bp,
758 static struct table parser[] = {
759 {"http://", strcasestr, get_uri_part, make_uri_string},
760 {"https://", strcasestr, get_uri_part, make_uri_string},
761 {"ftp://", strcasestr, get_uri_part, make_uri_string},
762 {"mailto:", strcasestr, get_uri_part, make_uri_string},
763 {"@", strcasestr, get_email_part, make_email_string}
765 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
768 const gchar *walk, *bp, *ep;
771 const gchar *bp, *ep; /* text position */
772 gint pti; /* index in parse table */
773 struct txtpos *next; /* next */
774 } head = {NULL, NULL, 0, NULL}, *last = &head;
776 GtkSText *text = GTK_STEXT(textview->text);
778 /* parse for clickable parts, and build a list of begin and end positions */
779 for (walk = linebuf, n = 0;;) {
780 gint last_index = PARSE_ELEMS;
781 gchar *scanpos = NULL;
783 /* FIXME: this looks phony. scanning for anything in the parse table */
784 for (n = 0; n < PARSE_ELEMS; n++) {
787 tmp = parser[n].search(walk, parser[n].needle);
789 if (scanpos == NULL || tmp < scanpos) {
797 /* check if URI can be parsed */
798 if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
799 && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
800 ADD_TXT_POS(bp, ep, last_index);
804 strlen(parser[last_index].needle);
809 /* colorize this line */
811 const gchar *normal_text = linebuf;
814 for (last = head.next; last != NULL;
815 normal_text = last->ep, last = last->next) {
818 uri = g_new(RemoteURI, 1);
819 if (last->bp - normal_text > 0)
820 gtk_stext_insert(text, font,
823 last->bp - normal_text);
824 uri->uri = parser[last->pti].build_uri(last->bp,
826 uri->start = gtk_stext_get_point(text);
827 gtk_stext_insert(text, font, uri_color,
828 NULL, last->bp, last->ep - last->bp);
829 uri->end = gtk_stext_get_point(text);
831 g_slist_append(textview->uri_list, uri);
835 gtk_stext_insert(text, font, fg_color,
836 NULL, normal_text, -1);
838 gtk_stext_insert(text, font, fg_color, NULL, linebuf, -1);
843 /* This function writes str as a double-clickable link with the given url. */
844 static void textview_write_link(TextView *textview, const gchar *url,
845 const gchar *str, CodeConverter *conv)
847 GdkColor *link_color = NULL;
849 GtkSText *text = GTK_STEXT(textview->text);
852 /* this part is taken from textview_write_line. Right now the only place
853 * that calls this function passes NULL for conv, but you never know. */
855 strncpy2(buf, str, sizeof(buf));
856 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
857 gtk_stext_insert(text, textview->msgfont,
858 prefs_common.enable_color
859 ? &error_color : NULL, NULL,
860 "*** Warning: code conversion failed ***\n",
865 /* this part is based on the code in make_clickable_parts */
866 if (prefs_common.enable_color) {
867 link_color = &uri_color;
869 uri = g_new(RemoteURI, 1);
870 uri->uri = g_strdup(url);
871 uri->start = gtk_stext_get_point(text);
872 gtk_stext_insert(text, textview->msgfont, link_color, NULL, buf,
874 uri->end = gtk_stext_get_point(text);
875 textview->uri_list = g_slist_append(textview->uri_list, uri);
878 static void textview_write_line(TextView *textview, const gchar *str,
881 GtkSText *text = GTK_STEXT(textview->text);
884 gint quotelevel = -1;
888 strncpy2(buf, str, sizeof(buf));
889 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
890 gtk_stext_insert(text, textview->msgfont,
891 prefs_common.enable_color
892 ? &error_color : NULL, NULL,
893 "*** Warning: code conversion failed ***\n",
898 if (!conv || conv_convert(conv, buf, sizeof(buf), str) < 0)
899 strncpy2(buf, str, sizeof(buf));
902 if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
905 /* change color of quotation
906 >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
907 Up to 3 levels of quotations are detected, and each
908 level is colored using a different color. */
909 if (prefs_common.enable_color && strchr(buf, '>')) {
910 quotelevel = get_quote_level(buf);
912 /* set up the correct foreground color */
913 if (quotelevel > 2) {
915 if (prefs_common.recycle_quote_colors)
922 if (quotelevel == -1)
925 fg_color = "e_colors[quotelevel];
927 if (prefs_common.head_space && spacingfont && buf[0] != '\n')
928 gtk_stext_insert(text, spacingfont, NULL, NULL, " ", 1);
930 if (prefs_common.enable_color)
931 textview_make_clickable_parts(textview, textview->msgfont,
932 fg_color, &uri_color, buf);
934 textview_make_clickable_parts(textview, textview->msgfont,
935 fg_color, NULL, buf);
938 void textview_clear(TextView *textview)
940 GtkSText *text = GTK_STEXT(textview->text);
942 gtk_stext_freeze(text);
943 gtk_stext_set_point(text, 0);
944 gtk_stext_forward_delete(text, gtk_stext_get_length(text));
945 gtk_stext_thaw(text);
947 textview_uri_list_remove_all(textview->uri_list);
948 textview->uri_list = NULL;
951 void textview_destroy(TextView *textview)
953 textview_uri_list_remove_all(textview->uri_list);
954 textview->uri_list = NULL;
956 if (!textview->scrolledwin_sb->parent)
957 gtk_widget_destroy(textview->scrolledwin_sb);
958 if (!textview->scrolledwin_mb->parent)
959 gtk_widget_destroy(textview->scrolledwin_mb);
961 if (textview->msgfont)
962 gdk_font_unref(textview->msgfont);
963 if (textview->boldfont)
964 gdk_font_unref(textview->boldfont);
969 void textview_set_all_headers(TextView *textview, gboolean all_headers)
971 textview->show_all_headers = all_headers;
974 void textview_set_font(TextView *textview, const gchar *codeset)
976 gboolean use_fontset = TRUE;
978 /* In multi-byte mode, GtkSText can't display 8bit characters
979 correctly, so it must be single-byte mode. */
980 if (MB_CUR_MAX > 1) {
982 if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
983 !g_strcasecmp(codeset, "BALTIC"))
985 else if (conv_get_current_charset() != C_EUC_JP &&
986 (!g_strncasecmp(codeset, "KOI8-", 5) ||
987 !g_strncasecmp(codeset, "CP", 2) ||
988 !g_strncasecmp(codeset, "WINDOWS-", 8)))
994 if (textview->text_is_mb && !use_fontset) {
997 parent = textview->scrolledwin_mb->parent;
998 gtkut_container_remove(GTK_CONTAINER(parent),
999 textview->scrolledwin_mb);
1000 gtk_container_add(GTK_CONTAINER(parent),
1001 textview->scrolledwin_sb);
1003 textview->text = textview->text_sb;
1004 textview->text_is_mb = FALSE;
1005 } else if (!textview->text_is_mb && use_fontset) {
1008 parent = textview->scrolledwin_sb->parent;
1009 gtkut_container_remove(GTK_CONTAINER(parent),
1010 textview->scrolledwin_sb);
1011 gtk_container_add(GTK_CONTAINER(parent),
1012 textview->scrolledwin_mb);
1014 textview->text = textview->text_mb;
1015 textview->text_is_mb = TRUE;
1018 if (prefs_common.textfont) {
1023 text_mb_font->ascent = text_mb_font_orig_ascent;
1024 text_mb_font->descent = text_mb_font_orig_descent;
1026 font = gdk_fontset_load(prefs_common.textfont);
1027 if (font && text_mb_font != font) {
1029 gdk_font_unref(text_mb_font);
1030 text_mb_font = font;
1031 text_mb_font_orig_ascent = font->ascent;
1032 text_mb_font_orig_descent = font->descent;
1036 text_sb_font->ascent = text_sb_font_orig_ascent;
1037 text_sb_font->descent = text_sb_font_orig_descent;
1039 if (MB_CUR_MAX > 1) {
1040 FONT_LOAD(font, "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
1042 FONT_LOAD(font, prefs_common.textfont);
1044 if (font && text_sb_font != font) {
1046 gdk_font_unref(text_sb_font);
1047 text_sb_font = font;
1048 text_sb_font_orig_ascent = font->ascent;
1049 text_sb_font_orig_descent = font->descent;
1054 gint ascent, descent;
1056 descent = prefs_common.line_space / 2;
1057 ascent = prefs_common.line_space - descent;
1058 font->ascent += ascent;
1059 font->descent += descent;
1061 if (textview->msgfont)
1062 gdk_font_unref(textview->msgfont);
1063 textview->msgfont = font;
1068 if (!textview->boldfont && prefs_common.boldfont)
1069 FONT_LOAD(textview->boldfont, prefs_common.boldfont);
1071 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
1087 H_ORGANIZATION = 11,
1090 void textview_set_position(TextView *textview, gint pos)
1094 gtk_stext_get_length(GTK_STEXT(textview->text));
1096 textview->cur_pos = pos;
1100 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1102 gchar buf[BUFFSIZE];
1103 GPtrArray *headers, *sorted_headers;
1104 GSList *disphdr_list;
1108 g_return_val_if_fail(fp != NULL, NULL);
1110 if (textview->show_all_headers)
1111 return procheader_get_header_array_asis(fp);
1113 if (!prefs_common.display_header) {
1114 while (fgets(buf, sizeof(buf), fp) != NULL)
1115 if (buf[0] == '\r' || buf[0] == '\n') break;
1119 headers = procheader_get_header_array_asis(fp);
1121 sorted_headers = g_ptr_array_new();
1123 for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1124 disphdr_list = disphdr_list->next) {
1125 DisplayHeaderProp *dp =
1126 (DisplayHeaderProp *)disphdr_list->data;
1128 for (i = 0; i < headers->len; i++) {
1129 header = g_ptr_array_index(headers, i);
1131 if (procheader_headername_equal(header->name,
1134 procheader_header_free(header);
1136 g_ptr_array_add(sorted_headers, header);
1138 g_ptr_array_remove_index(headers, i);
1144 if (prefs_common.show_other_header) {
1145 for (i = 0; i < headers->len; i++) {
1146 header = g_ptr_array_index(headers, i);
1147 g_ptr_array_add(sorted_headers, header);
1151 g_ptr_array_free(headers, FALSE);
1153 return sorted_headers;
1156 static void textview_show_header(TextView *textview, GPtrArray *headers)
1158 GtkSText *text = GTK_STEXT(textview->text);
1162 g_return_if_fail(headers != NULL);
1164 gtk_stext_freeze(text);
1166 for (i = 0; i < headers->len; i++) {
1167 header = g_ptr_array_index(headers, i);
1168 g_return_if_fail(header->name != NULL);
1170 gtk_stext_insert(text, textview->boldfont, NULL, NULL,
1172 if (header->name[strlen(header->name) - 1] != ' ')
1173 gtk_stext_insert(text, textview->boldfont,
1174 NULL, NULL, " ", 1);
1176 if (procheader_headername_equal(header->name, "Subject") ||
1177 procheader_headername_equal(header->name, "From") ||
1178 procheader_headername_equal(header->name, "To") ||
1179 procheader_headername_equal(header->name, "Cc"))
1180 unfold_line(header->body);
1182 if (prefs_common.enable_color &&
1183 (procheader_headername_equal(header->name, "X-Mailer") ||
1184 procheader_headername_equal(header->name,
1186 strstr(header->body, "Sylpheed") != NULL)
1187 gtk_stext_insert(text, NULL, &emphasis_color, NULL,
1189 else if (prefs_common.enable_color) {
1190 textview_make_clickable_parts(textview,
1191 NULL, NULL, &uri_color,
1194 textview_make_clickable_parts(textview,
1198 gtk_stext_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1201 gtk_stext_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1202 gtk_stext_thaw(text);
1203 textview->body_pos = gtk_stext_get_length(text);
1206 gboolean textview_search_string(TextView *textview, const gchar *str,
1209 GtkSText *text = GTK_STEXT(textview->text);
1214 gboolean found = FALSE;
1216 g_return_val_if_fail(str != NULL, FALSE);
1218 wcs = strdup_mbstowcs(str);
1219 g_return_val_if_fail(wcs != NULL, FALSE);
1221 pos = textview->cur_pos;
1222 if (pos < textview->body_pos)
1223 pos = textview->body_pos;
1224 text_len = gtk_stext_get_length(text);
1225 if (text_len - pos < len) {
1230 for (; pos < text_len; pos++) {
1231 if (text_len - pos < len) break;
1232 if (gtkut_stext_match_string(text, pos, wcs, len, case_sens)
1234 gtk_editable_set_position(GTK_EDITABLE(text),
1236 gtk_editable_select_region(GTK_EDITABLE(text),
1238 textview_set_position(textview, pos + len);
1242 if (text_len - pos == len) break;
1249 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1252 GtkSText *text = GTK_STEXT(textview->text);
1257 gboolean found = FALSE;
1259 g_return_val_if_fail(str != NULL, FALSE);
1261 wcs = strdup_mbstowcs(str);
1262 g_return_val_if_fail(wcs != NULL, FALSE);
1264 pos = textview->cur_pos;
1265 text_len = gtk_stext_get_length(text);
1266 if (text_len - textview->body_pos < len) {
1270 if (pos <= textview->body_pos || text_len - pos < len)
1271 pos = text_len - len;
1273 for (; pos >= textview->body_pos; pos--) {
1274 if (gtkut_stext_match_string(text, pos, wcs, len, case_sens)
1276 gtk_editable_set_position(GTK_EDITABLE(text), pos);
1277 gtk_editable_select_region(GTK_EDITABLE(text),
1279 textview_set_position(textview, pos - 1);
1283 if (pos == textview->body_pos) break;
1290 void textview_scroll_one_line(TextView *textview, gboolean up)
1292 GtkSText *text = GTK_STEXT(textview->text);
1295 if (prefs_common.enable_smooth_scroll) {
1296 textview_smooth_scroll_one_line(textview, up);
1301 upper = text->vadj->upper - text->vadj->page_size;
1302 if (text->vadj->value < upper) {
1303 text->vadj->value +=
1304 text->vadj->step_increment * 4;
1306 MIN(text->vadj->value, upper);
1307 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1311 if (text->vadj->value > 0.0) {
1312 text->vadj->value -=
1313 text->vadj->step_increment * 4;
1315 MAX(text->vadj->value, 0.0);
1316 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1322 gboolean textview_scroll_page(TextView *textview, gboolean up)
1324 GtkSText *text = GTK_STEXT(textview->text);
1328 if (prefs_common.enable_smooth_scroll)
1329 return textview_smooth_scroll_page(textview, up);
1331 if (prefs_common.scroll_halfpage)
1332 page_incr = text->vadj->page_increment / 2;
1334 page_incr = text->vadj->page_increment;
1337 upper = text->vadj->upper - text->vadj->page_size;
1338 if (text->vadj->value < upper) {
1339 text->vadj->value += page_incr;
1340 text->vadj->value = MIN(text->vadj->value, upper);
1341 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1346 if (text->vadj->value > 0.0) {
1347 text->vadj->value -= page_incr;
1348 text->vadj->value = MAX(text->vadj->value, 0.0);
1349 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1358 static void textview_smooth_scroll_do(TextView *textview,
1359 gfloat old_value, gfloat last_value,
1362 GtkSText *text = GTK_STEXT(textview->text);
1367 if (old_value < last_value) {
1368 change_value = last_value - old_value;
1371 change_value = old_value - last_value;
1375 gdk_key_repeat_disable();
1377 for (i = step; i <= change_value; i += step) {
1378 text->vadj->value = old_value + (up ? -i : i);
1379 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1383 text->vadj->value = last_value;
1384 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1386 gdk_key_repeat_restore();
1389 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1391 GtkSText *text = GTK_STEXT(textview->text);
1397 upper = text->vadj->upper - text->vadj->page_size;
1398 if (text->vadj->value < upper) {
1399 old_value = text->vadj->value;
1400 last_value = text->vadj->value +
1401 text->vadj->step_increment * 4;
1402 last_value = MIN(last_value, upper);
1404 textview_smooth_scroll_do(textview, old_value,
1406 prefs_common.scroll_step);
1409 if (text->vadj->value > 0.0) {
1410 old_value = text->vadj->value;
1411 last_value = text->vadj->value -
1412 text->vadj->step_increment * 4;
1413 last_value = MAX(last_value, 0.0);
1415 textview_smooth_scroll_do(textview, old_value,
1417 prefs_common.scroll_step);
1422 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1424 GtkSText *text = GTK_STEXT(textview->text);
1430 if (prefs_common.scroll_halfpage)
1431 page_incr = text->vadj->page_increment / 2;
1433 page_incr = text->vadj->page_increment;
1436 upper = text->vadj->upper - text->vadj->page_size;
1437 if (text->vadj->value < upper) {
1438 old_value = text->vadj->value;
1439 last_value = text->vadj->value + page_incr;
1440 last_value = MIN(last_value, upper);
1442 textview_smooth_scroll_do(textview, old_value,
1444 prefs_common.scroll_step);
1448 if (text->vadj->value > 0.0) {
1449 old_value = text->vadj->value;
1450 last_value = text->vadj->value - page_incr;
1451 last_value = MAX(last_value, 0.0);
1453 textview_smooth_scroll_do(textview, old_value,
1455 prefs_common.scroll_step);
1463 #define KEY_PRESS_EVENT_STOP() \
1464 if (gtk_signal_n_emissions_by_name \
1465 (GTK_OBJECT(widget), "key_press_event") > 0) { \
1466 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), \
1467 "key_press_event"); \
1470 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1473 SummaryView *summaryview = NULL;
1474 MessageView *messageview = textview->messageview;
1476 if (!event) return FALSE;
1477 if (messageview->mainwin)
1478 summaryview = messageview->mainwin->summaryview;
1480 switch (event->keyval) {
1495 summary_pass_key_press_event(summaryview, event);
1497 textview_scroll_page(textview, FALSE);
1500 textview_scroll_page(textview, TRUE);
1503 textview_scroll_one_line(textview,
1504 (event->state & GDK_MOD1_MASK) != 0);
1513 if (messageview->type == MVIEW_MIME) {
1514 KEY_PRESS_EVENT_STOP();
1515 mimeview_pass_key_press_event(messageview->mimeview,
1522 summary_pass_key_press_event(summaryview, event);
1529 static gint textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1533 textview->last_buttonpress = event->type;
1537 static gint textview_button_released(GtkWidget *widget, GdkEventButton *event,
1541 gtk_editable_get_position(GTK_EDITABLE(textview->text));
1544 ((event->button == 1 && textview->last_buttonpress == GDK_2BUTTON_PRESS)
1545 || event->button == 2 || event->button == 3)) {
1548 /* double click seems to set the cursor after the current
1549 * word. The cursor position needs fixing, otherwise the
1550 * last word of a clickable zone will not work */
1551 if (event->button == 1 && textview->last_buttonpress == GDK_2BUTTON_PRESS) {
1552 textview->cur_pos--;
1555 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1556 RemoteURI *uri = (RemoteURI *)cur->data;
1558 if (textview->cur_pos >= uri->start &&
1559 textview->cur_pos < uri->end) {
1560 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1561 if (event->button == 3) {
1562 gchar *fromname, *fromaddress;
1563 GdkEventButton tmpev;
1566 fromaddress = g_strdup(uri->uri + 7);
1567 /* Hiroyuki: please put this function in utils.c! */
1568 fromname = procheader_get_fromname(fromaddress);
1569 extract_address(fromaddress);
1570 g_message("adding from textview %s <%s>", fromname, fromaddress);
1571 /* Add to address book - Match */
1572 addressbook_add_contact( fromname, fromaddress, NULL );
1574 g_free(fromaddress);
1577 PrefsAccount *account = NULL;
1578 FolderItem *folder_item;
1580 if (textview->messageview && textview->messageview->mainwin
1581 && textview->messageview->mainwin->summaryview
1582 && textview->messageview->mainwin->summaryview->folder_item) {
1583 folder_item = textview->messageview->mainwin->summaryview->folder_item;
1584 if (folder_item->prefs && folder_item->prefs->enable_default_account)
1585 account = account_find_from_id(folder_item->prefs->default_account);
1587 compose_new_with_recipient
1588 (account, uri->uri + 7);
1592 prefs_common.uri_cmd);
1598 textview->last_buttonpress = event->type;
1602 static void textview_uri_list_remove_all(GSList *uri_list)
1606 for (cur = uri_list; cur != NULL; cur = cur->next) {
1608 g_free(((RemoteURI *)cur->data)->uri);
1613 g_slist_free(uri_list);