2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2001 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/gtktext.h>
32 #include <gtk/gtksignal.h>
40 #include "summaryview.h"
41 #include "procheader.h"
42 #include "prefs_common.h"
50 #include "addressbook.h"
51 #include "displayheader.h"
53 #define FONT_LOAD(font, s) \
57 Xstrdup_a(fontstr, s, ); \
58 if ((p = strchr(fontstr, ',')) != NULL) *p = '\0'; \
59 font = gdk_font_load(fontstr); \
62 typedef struct _RemoteURI RemoteURI;
72 static GdkColor quote_colors[3] = {
73 {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
74 {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
75 {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
78 static GdkColor uri_color = {
85 static GdkColor emphasis_color = {
92 static GdkColor error_color = {
99 static GdkFont *spacingfont;
101 static void textview_show_ertf (TextView *textview,
103 CodeConverter *conv);
104 static void textview_show_html (TextView *textview,
106 CodeConverter *conv);
107 static void textview_write_line (TextView *textview,
109 CodeConverter *conv);
110 static void textview_write_link (TextView *textview,
113 CodeConverter *conv);
114 static GPtrArray *textview_scan_header (TextView *textview,
116 static void textview_show_header (TextView *textview,
119 static void textview_key_pressed (GtkWidget *widget,
122 static void textview_button_pressed (GtkWidget *widget,
123 GdkEventButton *event,
126 static void textview_uri_list_remove_all(GSList *uri_list);
128 static void textview_smooth_scroll_do (TextView *textview,
132 static void textview_smooth_scroll_one_line (TextView *textview,
134 static gboolean textview_smooth_scroll_page (TextView *textview,
138 TextView *textview_create(void)
142 GtkWidget *scrolledwin_sb;
143 GtkWidget *scrolledwin_mb;
147 debug_print(_("Creating text view...\n"));
148 textview = g_new0(TextView, 1);
150 scrolledwin_sb = gtk_scrolled_window_new(NULL, NULL);
151 scrolledwin_mb = gtk_scrolled_window_new(NULL, NULL);
152 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_sb),
153 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
154 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_mb),
155 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
156 gtk_widget_set_usize(scrolledwin_sb, prefs_common.mainview_width, -1);
157 gtk_widget_set_usize(scrolledwin_mb, prefs_common.mainview_width, -1);
159 /* create GtkText widgets for single-byte and multi-byte character */
160 text_sb = gtk_text_new(NULL, NULL);
161 text_mb = gtk_text_new(NULL, NULL);
162 GTK_TEXT(text_sb)->default_tab_width = 8;
163 GTK_TEXT(text_mb)->default_tab_width = 8;
164 gtk_widget_show(text_sb);
165 gtk_widget_show(text_mb);
166 gtk_text_set_word_wrap(GTK_TEXT(text_sb), TRUE);
167 gtk_text_set_word_wrap(GTK_TEXT(text_mb), TRUE);
168 gtk_widget_ensure_style(text_sb);
169 gtk_widget_ensure_style(text_mb);
170 if (text_sb->style && text_sb->style->font->type == GDK_FONT_FONTSET) {
173 style = gtk_style_copy(text_sb->style);
174 gdk_font_unref(style->font);
175 FONT_LOAD(style->font, NORMAL_FONT);
176 gtk_widget_set_style(text_sb, style);
178 if (text_mb->style && text_mb->style->font->type == GDK_FONT_FONT) {
181 style = gtk_style_copy(text_mb->style);
182 gdk_font_unref(style->font);
183 style->font = gdk_fontset_load(NORMAL_FONT);
184 gtk_widget_set_style(text_mb, style);
186 gtk_widget_ref(scrolledwin_sb);
187 gtk_widget_ref(scrolledwin_mb);
189 gtk_container_add(GTK_CONTAINER(scrolledwin_sb), text_sb);
190 gtk_container_add(GTK_CONTAINER(scrolledwin_mb), text_mb);
191 gtk_signal_connect(GTK_OBJECT(text_sb), "key_press_event",
192 GTK_SIGNAL_FUNC(textview_key_pressed),
194 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_press_event",
195 GTK_SIGNAL_FUNC(textview_button_pressed),
197 gtk_signal_connect(GTK_OBJECT(text_mb), "key_press_event",
198 GTK_SIGNAL_FUNC(textview_key_pressed),
200 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_press_event",
201 GTK_SIGNAL_FUNC(textview_button_pressed),
204 gtk_widget_show(scrolledwin_sb);
205 gtk_widget_show(scrolledwin_mb);
207 vbox = gtk_vbox_new(FALSE, 0);
208 gtk_box_pack_start(GTK_BOX(vbox), scrolledwin_sb, TRUE, TRUE, 0);
210 textview->vbox = vbox;
211 textview->scrolledwin = scrolledwin_sb;
212 textview->scrolledwin_sb = scrolledwin_sb;
213 textview->scrolledwin_mb = scrolledwin_mb;
214 textview->text = text_sb;
215 textview->text_sb = text_sb;
216 textview->text_mb = text_mb;
217 textview->text_is_mb = FALSE;
218 textview->uri_list = NULL;
219 textview->body_pos = 0;
220 textview->cur_pos = 0;
225 void textview_init(TextView *textview)
227 gtkut_widget_disable_theme_engine(textview->text_sb);
228 gtkut_widget_disable_theme_engine(textview->text_mb);
229 textview_update_message_colors();
230 textview_set_font(textview, NULL);
233 void textview_update_message_colors(void)
235 GdkColor black = {0, 0, 0, 0};
237 if (prefs_common.enable_color) {
238 /* grab the quote colors, converting from an int to a GdkColor */
239 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
241 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
243 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
245 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
248 quote_colors[0] = quote_colors[1] = quote_colors[2] =
249 uri_color = emphasis_color = black;
253 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
258 if ((fp = fopen(file, "r")) == NULL) {
259 FILE_OP_ERROR(file, "fopen");
263 textview_show_part(textview, mimeinfo, fp);
268 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
272 const gchar *boundary = NULL;
273 gint boundary_len = 0;
274 const gchar *charset = NULL;
276 GPtrArray *headers = NULL;
279 g_return_if_fail(mimeinfo != NULL);
280 g_return_if_fail(fp != NULL);
282 if (mimeinfo->mime_type == MIME_MULTIPART) {
284 mimeinfo = mimeinfo->sub;
285 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) {
292 if (mimeinfo->parent && mimeinfo->parent->boundary) {
293 boundary = mimeinfo->parent->boundary;
294 boundary_len = strlen(boundary);
297 if (!boundary && (mimeinfo->mime_type == MIME_TEXT || mimeinfo->mime_type == MIME_TEXT_HTML || mimeinfo->mime_type == MIME_TEXT_ENRICHED)) {
299 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
301 headers = textview_scan_header(textview, fp);
303 if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) {
305 MimeInfo *parent = mimeinfo->parent;
307 while (parent->parent) {
309 parent->main->mime_type ==
312 parent = parent->parent;
315 if ((fpos = ftell(fp)) < 0)
317 else if (fseek(fp, parent->fpos, SEEK_SET) < 0)
320 headers = textview_scan_header(textview, fp);
321 if (fseek(fp, fpos, SEEK_SET) < 0)
325 /* skip MIME part headers */
326 while (fgets(buf, sizeof(buf), fp) != NULL)
327 if (buf[0] == '\r' || buf[0] == '\n') break;
330 /* display attached RFC822 single text message */
331 if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
332 if (headers) procheader_header_array_destroy(headers);
333 if (!mimeinfo->sub || mimeinfo->sub->children) return;
334 headers = textview_scan_header(textview, fp);
335 mimeinfo = mimeinfo->sub;
336 } else if (!mimeinfo->parent &&
337 mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
338 if (headers) procheader_header_array_destroy(headers);
339 if (!mimeinfo->sub) return;
340 headers = textview_scan_header(textview, fp);
341 mimeinfo = mimeinfo->sub;
344 if (prefs_common.force_charset)
345 charset = prefs_common.force_charset;
346 else if (mimeinfo->charset)
347 charset = mimeinfo->charset;
348 textview_set_font(textview, charset);
350 conv = conv_code_converter_new(charset);
352 textview_clear(textview);
353 text = GTK_TEXT(textview->text);
354 gtk_text_freeze(text);
356 textview->body_pos = 0;
357 textview->cur_pos = 0;
360 textview_show_header(textview, headers);
361 procheader_header_array_destroy(headers);
364 tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
366 if (mimeinfo->mime_type == MIME_TEXT_HTML)
367 textview_show_html(textview, tmpfp, conv);
368 else if (mimeinfo->mime_type == MIME_TEXT_ENRICHED)
369 textview_show_ertf(textview, tmpfp, conv);
371 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
372 textview_write_line(textview, buf, conv);
376 conv_code_converter_destroy(conv);
381 #define TEXT_INSERT(str) \
382 gtk_text_insert(text, textview->msgfont, NULL, NULL, str, -1)
384 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
388 if (!partinfo) return;
390 textview_set_font(textview, NULL);
391 text = GTK_TEXT(textview->text);
392 textview_clear(textview);
394 gtk_text_freeze(text);
396 TEXT_INSERT(_("To save this part, pop up the context menu with "));
397 TEXT_INSERT(_("right click and select `Save as...', "));
398 TEXT_INSERT(_("or press `y' key.\n\n"));
400 TEXT_INSERT(_("To display this part as a text message, select "));
401 TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
403 TEXT_INSERT(_("To open this part with external program, select "));
404 TEXT_INSERT(_("`Open' or `Open with...', "));
405 TEXT_INSERT(_("or double-click, or click the center button, "));
406 TEXT_INSERT(_("or press `l' key."));
412 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
416 if (!partinfo) return;
418 textview_set_font(textview, NULL);
419 text = GTK_TEXT(textview->text);
420 textview_clear(textview);
422 gtk_text_freeze(text);
424 if (partinfo->sigstatus_full == NULL) {
425 TEXT_INSERT(_("This signature has not been checked yet.\n"));
426 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
427 TEXT_INSERT(_("right click and select `Check signature'.\n"));
429 TEXT_INSERT(partinfo->sigstatus_full);
434 #endif /* USE_GPGME */
438 static void textview_show_html(TextView *textview, FILE *fp,
445 parser = html_parser_new(fp, conv);
446 g_return_if_fail(parser != NULL);
448 while ((str = html_parse(parser)) != NULL) {
449 if (parser->state == HTML_HREF) {
450 /* first time : get and copy the URL */
452 /* ALF - the sylpheed html parser returns an empty string,
453 * if still inside an <a>, but already parsed past HREF */
454 str = strtok(str, " ");
457 /* the URL may (or not) be followed by the
459 str = strtok(NULL, "");
463 textview_write_link(textview, url, str, NULL);
470 textview_write_line(textview, str, NULL);
473 html_parser_destroy(parser);
476 static void textview_show_ertf(TextView *textview, FILE *fp,
483 parser = ertf_parser_new(fp, conv);
484 g_return_if_fail(parser != NULL);
486 while ((str = ertf_parse(parser)) != NULL) {
487 textview_write_line(textview, str, NULL);
489 ertf_parser_destroy(parser);
492 /* get_uri_part() - retrieves a URI starting from scanpos.
493 Returns TRUE if succesful */
494 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
495 const gchar **bp, const gchar **ep)
499 g_return_val_if_fail(start != NULL, FALSE);
500 g_return_val_if_fail(scanpos != NULL, FALSE);
501 g_return_val_if_fail(bp != NULL, FALSE);
502 g_return_val_if_fail(ep != NULL, FALSE);
506 /* find end point of URI */
507 for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
508 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
512 /* no punctuation at end of string */
514 /* FIXME: this stripping of trailing punctuations may bite with other URIs.
515 * should pass some URI type to this function and decide on that whether
516 * to perform punctuation stripping */
518 #define IS_REAL_PUNCT(ch) (ispunct(ch) && ((ch) != '/'))
520 for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
530 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
532 return g_strndup(bp, ep - bp);
535 /* valid mail address characters */
536 #define IS_RFC822_CHAR(ch) \
541 !strchr("()<>\"", (ch)))
543 /* alphabet and number within 7bit ASCII */
544 #define IS_ASCII_ALNUM(ch) (isascii(ch) && isalnum(ch))
545 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
547 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
548 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
549 const gchar **bp, const gchar **ep)
551 /* more complex than the uri part because we need to scan back and forward starting from
552 * the scan position. */
553 gboolean result = FALSE;
554 const gchar *bp_ = NULL;
555 const gchar *ep_ = NULL;
557 /* the informative part of the email address (describing the name
558 * of the email address owner) may contain quoted parts. the
559 * closure stack stores the last encountered quotes. */
560 gchar closure_stack[128];
561 gchar *ptr = closure_stack;
563 g_return_val_if_fail(start != NULL, FALSE);
564 g_return_val_if_fail(scanpos != NULL, FALSE);
565 g_return_val_if_fail(bp != NULL, FALSE);
566 g_return_val_if_fail(ep != NULL, FALSE);
568 /* scan start of address */
569 for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
572 /* TODO: should start with an alnum? */
574 for (; bp_ < scanpos && !IS_ASCII_ALNUM(*bp_); bp_++)
577 if (bp_ != scanpos) {
578 /* scan end of address */
579 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
582 /* TODO: really should terminate with an alnum? */
583 for (; ep_ > scanpos && !IS_ASCII_ALNUM(*ep_); --ep_)
587 if (ep_ > scanpos + 1) {
594 if (!result) return FALSE;
596 /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
597 if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
600 /* see if this is <bracketed>; in this case we also scan for the informative part. */
601 if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
604 #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
605 #define IN_STACK() (ptr > closure_stack)
606 /* has underrun check */
607 #define POP_STACK() if(IN_STACK()) --ptr
608 /* has overrun check */
609 #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE
610 /* has underrun check */
611 #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0)
615 /* scan for the informative part. */
616 for (bp_ -= 2; bp_ >= start; bp_--) {
617 /* if closure on the stack keep scanning */
618 if (PEEK_STACK() == *bp_) {
622 if (*bp_ == '\'' || *bp_ == '"') {
627 /* if nothing in the closure stack, do the special conditions
628 * the following if..else expression simply checks whether
629 * a token is acceptable. if not acceptable, the clause
630 * should terminate the loop with a 'break' */
633 && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
634 && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) {
635 /* hyphens are allowed, but only in
637 } else if (!ispunct(*bp_)) {
638 /* but anything not being a punctiation
641 break; /* anything else is rejected */
654 /* scan forward (should start with an alnum) */
655 for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
665 #undef IS_RFC822_CHAR
667 static gchar *make_email_string(const gchar *bp, const gchar *ep)
669 /* returns a mailto: URI; mailto: is also used to detect the
670 * uri type later on in the button_pressed signal handler */
674 tmp = g_strndup(bp, ep - bp);
675 result = g_strconcat("mailto:", tmp, NULL);
681 #define ADD_TXT_POS(bp_, ep_, pti_) \
682 if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
684 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
687 g_warning("alloc error scanning URIs\n"); \
688 gtk_text_insert(text, textview->msgfont, fg_color, NULL, \
693 /* textview_make_clickable_parts() - colorizes clickable parts */
694 static void textview_make_clickable_parts(TextView *textview,
698 const gchar *linebuf)
700 /* parse table - in order of priority */
702 const gchar *needle; /* token */
704 /* token search function */
705 gchar *(*search) (const gchar *haystack,
706 const gchar *needle);
707 /* part parsing function */
708 gboolean (*parse) (const gchar *start,
709 const gchar *scanpos,
712 /* part to URI function */
713 gchar *(*build_uri) (const gchar *bp,
717 static struct table parser[] = {
718 {"http://", strcasestr, get_uri_part, make_uri_string},
719 {"https://", strcasestr, get_uri_part, make_uri_string},
720 {"ftp://", strcasestr, get_uri_part, make_uri_string},
721 {"mailto:", strcasestr, get_uri_part, make_uri_string},
722 {"@", strcasestr, get_email_part, make_email_string}
724 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
727 const gchar *walk, *bp, *ep;
730 const gchar *bp, *ep; /* text position */
731 gint pti; /* index in parse table */
732 struct txtpos *next; /* next */
733 } head = {NULL, NULL, 0, NULL}, *last = &head;
735 GtkText *text = GTK_TEXT(textview->text);
737 /* parse for clickable parts, and build a list of begin and end positions */
738 for (walk = linebuf, n = 0;;) {
739 gint last_index = PARSE_ELEMS;
740 gchar *scanpos = NULL;
742 /* FIXME: this looks phony. scanning for anything in the parse table */
743 for (n = 0; n < PARSE_ELEMS; n++) {
746 tmp = parser[n].search(walk, parser[n].needle);
748 if (scanpos == NULL || tmp < scanpos) {
756 /* check if URI can be parsed */
757 if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
758 && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
759 ADD_TXT_POS(bp, ep, last_index);
763 strlen(parser[last_index].needle);
768 /* colorize this line */
770 const gchar *normal_text = linebuf;
773 for (last = head.next; last != NULL;
774 normal_text = last->ep, last = last->next) {
777 uri = g_new(RemoteURI, 1);
778 if (last->bp - normal_text > 0)
779 gtk_text_insert(text, font,
782 last->bp - normal_text);
783 uri->uri = parser[last->pti].build_uri(last->bp,
785 uri->start = gtk_text_get_point(text);
786 gtk_text_insert(text, font, uri_color,
787 NULL, last->bp, last->ep - last->bp);
788 uri->end = gtk_text_get_point(text);
790 g_slist_append(textview->uri_list, uri);
794 gtk_text_insert(text, font, fg_color,
795 NULL, normal_text, -1);
797 gtk_text_insert(text, font, fg_color, NULL, linebuf, -1);
802 /* This function writes str as a double-clickable link with the given url. */
803 static void textview_write_link(TextView *textview, const gchar *url,
804 const gchar *str, CodeConverter *conv)
806 GdkColor *link_color = NULL;
808 GtkText *text = GTK_TEXT(textview->text);
811 /* this part is taken from textview_write_line. Right now the only place
812 * that calls this function passes NULL for conv, but you never know. */
814 strncpy2(buf, str, sizeof(buf));
815 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
816 gtk_text_insert(text, textview->msgfont,
817 prefs_common.enable_color
818 ? &error_color : NULL, NULL,
819 "*** Warning: code conversion failed ***\n",
824 /* this part is based on the code in make_clickable_parts */
825 if (prefs_common.enable_color) {
826 link_color = &uri_color;
828 uri = g_new(RemoteURI, 1);
829 uri->uri = g_strdup(url);
830 uri->start = gtk_text_get_point(text);
831 gtk_text_insert(text, textview->msgfont, link_color, NULL, buf,
833 uri->end = gtk_text_get_point(text);
834 textview->uri_list = g_slist_append(textview->uri_list, uri);
837 static void textview_write_line(TextView *textview, const gchar *str,
840 GtkText *text = GTK_TEXT(textview->text);
843 gint quotelevel = -1;
846 strncpy2(buf, str, sizeof(buf));
847 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
848 gtk_text_insert(text, textview->msgfont,
849 prefs_common.enable_color
850 ? &error_color : NULL, NULL,
851 "*** Warning: code conversion failed ***\n",
857 if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
860 /* change color of quotation
861 >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
862 Up to 3 levels of quotations are detected, and each
863 level is colored using a different color. */
864 if (prefs_common.enable_color && strchr(buf, '>')) {
865 quotelevel = get_quote_level(buf);
867 /* set up the correct foreground color */
868 if (quotelevel > 2) {
870 if (prefs_common.recycle_quote_colors)
877 if (quotelevel == -1)
880 fg_color = "e_colors[quotelevel];
882 if (prefs_common.head_space && spacingfont && buf[0] != '\n')
883 gtk_text_insert(text, spacingfont, NULL, NULL, " ", 1);
885 if (prefs_common.enable_color)
886 textview_make_clickable_parts(textview, textview->msgfont,
887 fg_color, &uri_color, buf);
889 textview_make_clickable_parts(textview, textview->msgfont,
890 fg_color, NULL, buf);
893 void textview_clear(TextView *textview)
895 GtkText *text = GTK_TEXT(textview->text);
897 gtk_text_freeze(text);
898 gtk_text_set_point(text, 0);
899 gtk_text_forward_delete(text, gtk_text_get_length(text));
902 textview_uri_list_remove_all(textview->uri_list);
903 textview->uri_list = NULL;
906 void textview_destroy(TextView *textview)
908 textview_uri_list_remove_all(textview->uri_list);
909 textview->uri_list = NULL;
911 if (!textview->scrolledwin_sb->parent)
912 gtk_widget_destroy(textview->scrolledwin_sb);
913 if (!textview->scrolledwin_mb->parent)
914 gtk_widget_destroy(textview->scrolledwin_mb);
916 if (textview->msgfont) {
917 textview->msgfont->ascent = textview->prev_ascent;
918 textview->msgfont->descent = textview->prev_descent;
919 gdk_font_unref(textview->msgfont);
921 if (textview->boldfont)
922 gdk_font_unref(textview->boldfont);
927 void textview_set_font(TextView *textview, const gchar *codeset)
929 gboolean use_fontset = TRUE;
931 /* In multi-byte mode, GtkText can't display 8bit characters
932 correctly, so it must be single-byte mode. */
933 if (MB_CUR_MAX > 1) {
935 if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
936 !g_strcasecmp(codeset, "BALTIC"))
938 else if (conv_get_current_charset() != C_EUC_JP &&
939 (!g_strncasecmp(codeset, "KOI8-", 5) ||
940 !g_strncasecmp(codeset, "CP", 2) ||
941 !g_strncasecmp(codeset, "WINDOWS-", 8)))
947 if (textview->text_is_mb && !use_fontset) {
950 parent = textview->scrolledwin_mb->parent;
951 gtk_editable_claim_selection(GTK_EDITABLE(textview->text_mb),
952 FALSE, GDK_CURRENT_TIME);
953 gtk_container_remove(GTK_CONTAINER(parent),
954 textview->scrolledwin_mb);
955 gtk_container_add(GTK_CONTAINER(parent),
956 textview->scrolledwin_sb);
958 textview->text = textview->text_sb;
959 textview->text_is_mb = FALSE;
960 } else if (!textview->text_is_mb && use_fontset) {
963 parent = textview->scrolledwin_sb->parent;
964 gtk_editable_claim_selection(GTK_EDITABLE(textview->text_sb),
965 FALSE, GDK_CURRENT_TIME);
966 gtk_container_remove(GTK_CONTAINER(parent),
967 textview->scrolledwin_sb);
968 gtk_container_add(GTK_CONTAINER(parent),
969 textview->scrolledwin_mb);
971 textview->text = textview->text_mb;
972 textview->text_is_mb = TRUE;
975 if (prefs_common.textfont) {
976 if (textview->msgfont) {
977 textview->msgfont->ascent = textview->prev_ascent;
978 textview->msgfont->descent = textview->prev_descent;
979 gdk_font_unref(textview->msgfont);
980 textview->msgfont = NULL;
984 gdk_fontset_load(prefs_common.textfont);
986 if (MB_CUR_MAX > 1) {
987 FONT_LOAD(textview->msgfont,
988 "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
990 FONT_LOAD(textview->msgfont,
991 prefs_common.textfont);
995 if (textview->msgfont) {
996 gint ascent, descent;
998 textview->prev_ascent = textview->msgfont->ascent;
999 textview->prev_descent = textview->msgfont->descent;
1000 descent = prefs_common.line_space / 2;
1001 ascent = prefs_common.line_space - descent;
1002 textview->msgfont->ascent += ascent;
1003 textview->msgfont->descent += descent;
1007 if (!textview->boldfont)
1008 FONT_LOAD(textview->boldfont, BOLD_FONT);
1010 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
1026 H_ORGANIZATION = 11,
1029 void textview_set_position(TextView *textview, gint pos)
1033 gtk_text_get_length(GTK_TEXT(textview->text));
1035 textview->cur_pos = pos;
1039 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1041 gchar buf[BUFFSIZE];
1042 GPtrArray *headers, *sorted_headers;
1043 GSList *disphdr_list;
1047 g_return_val_if_fail(fp != NULL, NULL);
1049 if (!prefs_common.display_header) {
1050 while (fgets(buf, sizeof(buf), fp) != NULL)
1051 if (buf[0] == '\r' || buf[0] == '\n') break;
1055 headers = procheader_get_header_array_asis(fp);
1057 sorted_headers = g_ptr_array_new();
1059 for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1060 disphdr_list = disphdr_list->next) {
1061 DisplayHeaderProp *dp =
1062 (DisplayHeaderProp *)disphdr_list->data;
1064 for (i = 0; i < headers->len; i++) {
1065 header = g_ptr_array_index(headers, i);
1067 if (procheader_headername_equal(header->name,
1070 procheader_header_free(header);
1072 g_ptr_array_add(sorted_headers, header);
1074 g_ptr_array_remove_index(headers, i);
1080 if (prefs_common.show_other_header) {
1081 for (i = 0; i < headers->len; i++) {
1082 header = g_ptr_array_index(headers, i);
1083 g_ptr_array_add(sorted_headers, header);
1087 g_ptr_array_free(headers, FALSE);
1089 return sorted_headers;
1092 static void textview_show_header(TextView *textview, GPtrArray *headers)
1094 GtkText *text = GTK_TEXT(textview->text);
1098 g_return_if_fail(headers != NULL);
1100 gtk_text_freeze(text);
1102 for (i = 0; i < headers->len; i++) {
1103 header = g_ptr_array_index(headers, i);
1104 g_return_if_fail(header->name != NULL);
1106 gtk_text_insert(text, textview->boldfont, NULL, NULL,
1108 if (header->name[strlen(header->name) - 1] != ' ')
1109 gtk_text_insert(text, textview->boldfont,
1110 NULL, NULL, " ", 1);
1112 if (procheader_headername_equal(header->name, "Subject") ||
1113 procheader_headername_equal(header->name, "From") ||
1114 procheader_headername_equal(header->name, "To") ||
1115 procheader_headername_equal(header->name, "Cc"))
1116 unfold_line(header->body);
1118 if (prefs_common.enable_color &&
1119 (procheader_headername_equal(header->name, "X-Mailer") ||
1120 procheader_headername_equal(header->name,
1122 strstr(header->body, "Sylpheed") != NULL)
1123 gtk_text_insert(text, NULL, &emphasis_color, NULL,
1125 else if (prefs_common.enable_color) {
1126 textview_make_clickable_parts(textview,
1127 NULL, NULL, &uri_color,
1130 textview_make_clickable_parts(textview,
1134 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1137 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1138 gtk_text_thaw(text);
1139 textview->body_pos = gtk_text_get_length(text);
1142 gboolean textview_search_string(TextView *textview, const gchar *str,
1145 GtkText *text = GTK_TEXT(textview->text);
1150 gboolean found = FALSE;
1152 g_return_val_if_fail(str != NULL, FALSE);
1154 wcs = strdup_mbstowcs(str);
1155 g_return_val_if_fail(wcs != NULL, FALSE);
1157 pos = textview->cur_pos;
1158 if (pos < textview->body_pos)
1159 pos = textview->body_pos;
1160 text_len = gtk_text_get_length(text);
1161 if (text_len - pos < len) {
1166 for (; pos < text_len; pos++) {
1167 if (text_len - pos < len) break;
1168 if (gtkut_text_match_string(text, pos, wcs, len, case_sens)
1170 gtk_editable_set_position(GTK_EDITABLE(text),
1172 gtk_editable_select_region(GTK_EDITABLE(text),
1174 textview_set_position(textview, pos + len);
1178 if (text_len - pos == len) break;
1185 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1188 GtkText *text = GTK_TEXT(textview->text);
1193 gboolean found = FALSE;
1195 g_return_val_if_fail(str != NULL, FALSE);
1197 wcs = strdup_mbstowcs(str);
1198 g_return_val_if_fail(wcs != NULL, FALSE);
1200 pos = textview->cur_pos;
1201 text_len = gtk_text_get_length(text);
1202 if (text_len - textview->body_pos < len) {
1206 if (pos <= textview->body_pos || text_len - pos < len)
1207 pos = text_len - len;
1209 for (; pos >= textview->body_pos; pos--) {
1210 if (gtkut_text_match_string(text, pos, wcs, len, case_sens)
1212 gtk_editable_set_position(GTK_EDITABLE(text), pos);
1213 gtk_editable_select_region(GTK_EDITABLE(text),
1215 textview_set_position(textview, pos - 1);
1219 if (pos == textview->body_pos) break;
1226 void textview_scroll_one_line(TextView *textview, gboolean up)
1228 GtkText *text = GTK_TEXT(textview->text);
1231 if (prefs_common.enable_smooth_scroll) {
1232 textview_smooth_scroll_one_line(textview, up);
1237 upper = text->vadj->upper - text->vadj->page_size;
1238 if (text->vadj->value < upper) {
1239 text->vadj->value +=
1240 text->vadj->step_increment * 4;
1242 MIN(text->vadj->value, upper);
1243 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1247 if (text->vadj->value > 0.0) {
1248 text->vadj->value -=
1249 text->vadj->step_increment * 4;
1251 MAX(text->vadj->value, 0.0);
1252 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1258 gboolean textview_scroll_page(TextView *textview, gboolean up)
1260 GtkText *text = GTK_TEXT(textview->text);
1264 if (prefs_common.enable_smooth_scroll)
1265 return textview_smooth_scroll_page(textview, up);
1267 if (prefs_common.scroll_halfpage)
1268 page_incr = text->vadj->page_increment / 2;
1270 page_incr = text->vadj->page_increment;
1273 upper = text->vadj->upper - text->vadj->page_size;
1274 if (text->vadj->value < upper) {
1275 text->vadj->value += page_incr;
1276 text->vadj->value = MIN(text->vadj->value, upper);
1277 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1282 if (text->vadj->value > 0.0) {
1283 text->vadj->value -= page_incr;
1284 text->vadj->value = MAX(text->vadj->value, 0.0);
1285 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1294 static void textview_smooth_scroll_do(TextView *textview,
1295 gfloat old_value, gfloat last_value,
1298 GtkText *text = GTK_TEXT(textview->text);
1303 if (old_value < last_value) {
1304 change_value = last_value - old_value;
1307 change_value = old_value - last_value;
1311 gdk_key_repeat_disable();
1313 for (i = step; i <= change_value; i += step) {
1314 text->vadj->value = old_value + (up ? -i : i);
1315 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1319 text->vadj->value = last_value;
1320 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1322 gdk_key_repeat_restore();
1325 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1327 GtkText *text = GTK_TEXT(textview->text);
1333 upper = text->vadj->upper - text->vadj->page_size;
1334 if (text->vadj->value < upper) {
1335 old_value = text->vadj->value;
1336 last_value = text->vadj->value +
1337 text->vadj->step_increment * 4;
1338 last_value = MIN(last_value, upper);
1340 textview_smooth_scroll_do(textview, old_value,
1342 prefs_common.scroll_step);
1345 if (text->vadj->value > 0.0) {
1346 old_value = text->vadj->value;
1347 last_value = text->vadj->value -
1348 text->vadj->step_increment * 4;
1349 last_value = MAX(last_value, 0.0);
1351 textview_smooth_scroll_do(textview, old_value,
1353 prefs_common.scroll_step);
1358 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1360 GtkText *text = GTK_TEXT(textview->text);
1366 if (prefs_common.scroll_halfpage)
1367 page_incr = text->vadj->page_increment / 2;
1369 page_incr = text->vadj->page_increment;
1372 upper = text->vadj->upper - text->vadj->page_size;
1373 if (text->vadj->value < upper) {
1374 old_value = text->vadj->value;
1375 last_value = text->vadj->value + page_incr;
1376 last_value = MIN(last_value, upper);
1378 textview_smooth_scroll_do(textview, old_value,
1380 prefs_common.scroll_step);
1384 if (text->vadj->value > 0.0) {
1385 old_value = text->vadj->value;
1386 last_value = text->vadj->value - page_incr;
1387 last_value = MAX(last_value, 0.0);
1389 textview_smooth_scroll_do(textview, old_value,
1391 prefs_common.scroll_step);
1399 static void textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1402 SummaryView *summaryview = NULL;
1405 if (textview->messageview->mainwin)
1406 summaryview = textview->messageview->mainwin->summaryview;
1408 switch (event->keyval) {
1423 summary_pass_key_press_event(summaryview, event);
1425 textview_scroll_page(textview, FALSE);
1428 textview_scroll_page(textview, TRUE);
1431 textview_scroll_one_line(textview,
1432 (event->state & GDK_MOD1_MASK) != 0);
1436 summary_pass_key_press_event(summaryview, event);
1441 static void textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1445 gtk_editable_get_position(GTK_EDITABLE(textview->text));
1448 ((event->button == 1 && event->type == GDK_2BUTTON_PRESS)
1449 || event->button == 2 || event->button == 3)) {
1452 /* double click seems to set the cursor after the current
1453 * word. The cursor position needs fixing, otherwise the
1454 * last word of a clickable zone will not work */
1455 if (event->button == 1 && event->type == GDK_2BUTTON_PRESS) {
1456 textview->cur_pos--;
1459 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1460 RemoteURI *uri = (RemoteURI *)cur->data;
1462 if (textview->cur_pos >= uri->start &&
1463 textview->cur_pos < uri->end) {
1464 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1465 if (event->button == 3) {
1466 gchar *fromname, *fromaddress;
1468 fromaddress = g_strdup(uri->uri + 7);
1469 /* Hiroyuki: please put this function in utils.c! */
1470 fromname = procheader_get_fromname(fromaddress);
1471 extract_address(fromaddress);
1472 g_message("adding from textview %s <%s>", fromname, fromaddress);
1473 // Add to address book - Match
1474 addressbook_add_contact( fromname, fromaddress, NULL );
1475 g_free(fromaddress);
1478 compose_new_with_recipient
1479 (NULL, uri->uri + 7);
1483 prefs_common.uri_cmd);
1490 static void textview_uri_list_remove_all(GSList *uri_list)
1494 for (cur = uri_list; cur != NULL; cur = cur->next) {
1496 g_free(((RemoteURI *)cur->data)->uri);
1501 g_slist_free(uri_list);