2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2002 Hiroyuki Yamamoto
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 #include <gdk/gdkkeysyms.h>
29 #include <gtk/gtkvbox.h>
30 #include <gtk/gtkscrolledwindow.h>
31 #include <gtk/gtksignal.h>
39 #include "summaryview.h"
40 #include "procheader.h"
41 #include "prefs_common.h"
50 #include "addressbook.h"
51 #include "displayheader.h"
54 #define FONT_LOAD(font, s) \
58 Xstrdup_a(fontstr, s, ); \
59 if ((p = strchr(fontstr, ',')) != NULL) *p = '\0'; \
60 font = gdk_font_load(fontstr); \
62 g_warning("Couldn't load the font '%s'\n", fontstr); \
65 typedef struct _RemoteURI RemoteURI;
75 static GdkColor quote_colors[3] = {
76 {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
77 {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
78 {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
81 static GdkColor uri_color = {
88 static GdkColor emphasis_color = {
96 static GdkColor error_color = {
104 static GdkFont *text_sb_font;
105 static GdkFont *text_mb_font;
106 static gint text_sb_font_orig_ascent;
107 static gint text_sb_font_orig_descent;
108 static gint text_mb_font_orig_ascent;
109 static gint text_mb_font_orig_descent;
110 static GdkFont *spacingfont;
112 static void textview_show_ertf (TextView *textview,
114 CodeConverter *conv);
115 static void textview_add_part (TextView *textview,
118 static void textview_write_body (TextView *textview,
121 const gchar *charset);
122 static void textview_show_html (TextView *textview,
124 CodeConverter *conv);
125 static void textview_write_line (TextView *textview,
127 CodeConverter *conv);
128 static void textview_write_link (TextView *textview,
131 CodeConverter *conv);
132 static GPtrArray *textview_scan_header (TextView *textview,
134 static void textview_show_header (TextView *textview,
137 static gint textview_key_pressed (GtkWidget *widget,
140 static gint textview_button_pressed (GtkWidget *widget,
141 GdkEventButton *event,
143 static gint textview_button_released (GtkWidget *widget,
144 GdkEventButton *event,
147 static void textview_uri_list_remove_all(GSList *uri_list);
149 static void textview_smooth_scroll_do (TextView *textview,
153 static void textview_smooth_scroll_one_line (TextView *textview,
155 static gboolean textview_smooth_scroll_page (TextView *textview,
159 TextView *textview_create(void)
163 GtkWidget *scrolledwin_sb;
164 GtkWidget *scrolledwin_mb;
168 debug_print(_("Creating text view...\n"));
169 textview = g_new0(TextView, 1);
171 scrolledwin_sb = gtk_scrolled_window_new(NULL, NULL);
172 scrolledwin_mb = gtk_scrolled_window_new(NULL, NULL);
173 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_sb),
174 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
175 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_mb),
176 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
177 gtk_widget_set_usize(scrolledwin_sb, prefs_common.mainview_width, -1);
178 gtk_widget_set_usize(scrolledwin_mb, prefs_common.mainview_width, -1);
180 /* create GtkSText widgets for single-byte and multi-byte character */
181 text_sb = gtk_stext_new(NULL, NULL);
182 text_mb = gtk_stext_new(NULL, NULL);
183 GTK_STEXT(text_sb)->default_tab_width = 8;
184 GTK_STEXT(text_mb)->default_tab_width = 8;
185 gtk_widget_show(text_sb);
186 gtk_widget_show(text_mb);
187 gtk_stext_set_word_wrap(GTK_STEXT(text_sb), TRUE);
188 gtk_stext_set_word_wrap(GTK_STEXT(text_mb), TRUE);
189 gtk_widget_ensure_style(text_sb);
190 gtk_widget_ensure_style(text_mb);
191 if (text_sb->style && text_sb->style->font->type == GDK_FONT_FONTSET) {
195 FONT_LOAD(font, prefs_common.normalfont);
197 style = gtk_style_copy(text_sb->style);
198 gdk_font_unref(style->font);
200 gtk_widget_set_style(text_sb, style);
203 if (text_mb->style && text_mb->style->font->type == GDK_FONT_FONT) {
207 font = gdk_fontset_load(prefs_common.normalfont);
209 style = gtk_style_copy(text_mb->style);
210 gdk_font_unref(style->font);
212 gtk_widget_set_style(text_mb, style);
215 gtk_widget_ref(scrolledwin_sb);
216 gtk_widget_ref(scrolledwin_mb);
218 gtk_container_add(GTK_CONTAINER(scrolledwin_sb), text_sb);
219 gtk_container_add(GTK_CONTAINER(scrolledwin_mb), text_mb);
220 gtk_signal_connect(GTK_OBJECT(text_sb), "key_press_event",
221 GTK_SIGNAL_FUNC(textview_key_pressed),
223 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_press_event",
224 GTK_SIGNAL_FUNC(textview_button_pressed),
226 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_release_event",
227 GTK_SIGNAL_FUNC(textview_button_released),
229 gtk_signal_connect(GTK_OBJECT(text_mb), "key_press_event",
230 GTK_SIGNAL_FUNC(textview_key_pressed),
232 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_press_event",
233 GTK_SIGNAL_FUNC(textview_button_pressed),
235 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_release_event",
236 GTK_SIGNAL_FUNC(textview_button_released),
239 gtk_widget_show(scrolledwin_sb);
240 gtk_widget_show(scrolledwin_mb);
242 vbox = gtk_vbox_new(FALSE, 0);
243 gtk_box_pack_start(GTK_BOX(vbox), scrolledwin_sb, TRUE, TRUE, 0);
245 gtk_widget_show(vbox);
247 textview->vbox = vbox;
248 textview->scrolledwin = scrolledwin_sb;
249 textview->scrolledwin_sb = scrolledwin_sb;
250 textview->scrolledwin_mb = scrolledwin_mb;
251 textview->text = text_sb;
252 textview->text_sb = text_sb;
253 textview->text_mb = text_mb;
254 textview->text_is_mb = FALSE;
255 textview->uri_list = NULL;
256 textview->body_pos = 0;
257 textview->cur_pos = 0;
258 textview->show_all_headers = FALSE;
259 textview->last_buttonpress = GDK_NOTHING;
264 void textview_init(TextView *textview)
266 gtkut_widget_disable_theme_engine(textview->text_sb);
267 gtkut_widget_disable_theme_engine(textview->text_mb);
268 textview_update_message_colors();
269 textview_set_all_headers(textview, FALSE);
270 textview_set_font(textview, NULL);
273 void textview_update_message_colors(void)
275 GdkColor black = {0, 0, 0, 0};
277 if (prefs_common.enable_color) {
278 /* grab the quote colors, converting from an int to a GdkColor */
279 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
281 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
283 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
285 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
288 quote_colors[0] = quote_colors[1] = quote_colors[2] =
289 uri_color = emphasis_color = black;
293 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
296 GtkSText *text = GTK_STEXT(textview->text);
298 const gchar *charset = NULL;
299 GPtrArray *headers = NULL;
301 if ((fp = fopen(file, "rb")) == NULL) {
302 FILE_OP_ERROR(file, "fopen");
306 if (prefs_common.force_charset)
307 charset = prefs_common.force_charset;
308 else if (mimeinfo->charset)
309 charset = mimeinfo->charset;
310 textview_set_font(textview, charset);
311 textview_clear(textview);
312 textview->body_pos = 0;
313 textview->cur_pos = 0;
315 gtk_stext_freeze(text);
317 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) perror("fseek");
318 headers = textview_scan_header(textview, fp);
320 textview_show_header(textview, headers);
321 procheader_header_array_destroy(headers);
322 textview->body_pos = gtk_stext_get_length(text);
325 while (mimeinfo != NULL) {
326 textview_add_part(textview, mimeinfo, fp);
327 if (mimeinfo->parent && mimeinfo->parent->content_type &&
328 !strcasecmp(mimeinfo->parent->content_type,
329 "multipart/alternative"))
330 mimeinfo = mimeinfo->parent->next;
332 mimeinfo = procmime_mimeinfo_next(mimeinfo);
335 gtk_stext_thaw(text);
340 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
342 GtkSText *text = GTK_STEXT(textview->text);
344 const gchar *boundary = NULL;
345 gint boundary_len = 0;
346 const gchar *charset = NULL;
347 GPtrArray *headers = NULL;
349 g_return_if_fail(mimeinfo != NULL);
350 g_return_if_fail(fp != NULL);
352 if (mimeinfo->mime_type == MIME_MULTIPART) return;
354 if (mimeinfo->parent && mimeinfo->parent->boundary) {
355 boundary = mimeinfo->parent->boundary;
356 boundary_len = strlen(boundary);
359 if (!boundary && (mimeinfo->mime_type == MIME_TEXT ||
360 mimeinfo->mime_type == MIME_TEXT_HTML ||
361 mimeinfo->mime_type == MIME_TEXT_ENRICHED)) {
363 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
365 headers = textview_scan_header(textview, fp);
367 if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) {
369 MimeInfo *parent = mimeinfo->parent;
371 while (parent->parent) {
373 parent->main->mime_type ==
376 parent = parent->parent;
379 if ((fpos = ftell(fp)) < 0)
381 else if (fseek(fp, parent->fpos, SEEK_SET) < 0)
384 headers = textview_scan_header(textview, fp);
385 if (fseek(fp, fpos, SEEK_SET) < 0)
389 /* skip MIME part headers */
390 while (fgets(buf, sizeof(buf), fp) != NULL)
391 if (buf[0] == '\r' || buf[0] == '\n') break;
394 /* display attached RFC822 single text message */
395 if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
396 if (headers) procheader_header_array_destroy(headers);
397 if (!mimeinfo->sub || mimeinfo->sub->children) return;
398 headers = textview_scan_header(textview, fp);
399 mimeinfo = mimeinfo->sub;
400 } else if (!mimeinfo->parent &&
401 mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
402 if (headers) procheader_header_array_destroy(headers);
403 if (!mimeinfo->sub) return;
404 headers = textview_scan_header(textview, fp);
405 mimeinfo = mimeinfo->sub;
408 if (prefs_common.force_charset)
409 charset = prefs_common.force_charset;
410 else if (mimeinfo->charset)
411 charset = mimeinfo->charset;
412 textview_set_font(textview, charset);
414 textview_clear(textview);
415 gtk_stext_freeze(text);
417 textview->body_pos = 0;
418 textview->cur_pos = 0;
421 textview_show_header(textview, headers);
422 gtk_stext_insert(text, NULL, NULL, NULL, "\n", 1);
423 procheader_header_array_destroy(headers);
424 textview->body_pos = gtk_stext_get_length(text);
427 textview_write_body(textview, mimeinfo, fp, charset);
429 gtk_stext_thaw(text);
432 static void textview_add_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
434 GtkSText *text = GTK_STEXT(textview->text);
436 const gchar *boundary = NULL;
437 gint boundary_len = 0;
438 const gchar *charset = NULL;
439 GPtrArray *headers = NULL;
441 g_return_if_fail(mimeinfo != NULL);
442 g_return_if_fail(fp != NULL);
444 if (mimeinfo->mime_type == MIME_MULTIPART) return;
446 if (!mimeinfo->parent &&
447 mimeinfo->mime_type != MIME_TEXT &&
448 mimeinfo->mime_type != MIME_TEXT_HTML &&
449 mimeinfo->mime_type != MIME_TEXT_ENRICHED)
452 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) {
457 if (mimeinfo->parent && mimeinfo->parent->boundary) {
458 boundary = mimeinfo->parent->boundary;
459 boundary_len = strlen(boundary);
462 while (fgets(buf, sizeof(buf), fp) != NULL)
463 if (buf[0] == '\r' || buf[0] == '\n') break;
465 if (mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
466 headers = textview_scan_header(textview, fp);
468 gtk_stext_insert(text, NULL, NULL, NULL, "\n", 1);
469 textview_show_header(textview, headers);
470 procheader_header_array_destroy(headers);
475 gtk_stext_freeze(text);
477 if (mimeinfo->filename || mimeinfo->name)
478 g_snprintf(buf, sizeof(buf), "\n[%s %s (%d bytes)]\n",
479 mimeinfo->filename ? mimeinfo->filename :
481 mimeinfo->content_type, mimeinfo->size);
483 g_snprintf(buf, sizeof(buf), "\n[%s (%d bytes)]\n",
484 mimeinfo->content_type, mimeinfo->size);
486 if (mimeinfo->mime_type != MIME_TEXT &&
487 mimeinfo->mime_type != MIME_TEXT_HTML &&
488 mimeinfo->mime_type != MIME_TEXT_ENRICHED) {
489 gtk_stext_insert(text, NULL, NULL, NULL, buf, -1);
491 if (!mimeinfo->main &&
493 mimeinfo->parent->children != mimeinfo)
494 gtk_stext_insert(text, NULL, NULL, NULL, buf, -1);
496 gtk_stext_insert(text, NULL, NULL, NULL, "\n", 1);
497 if (prefs_common.force_charset)
498 charset = prefs_common.force_charset;
499 else if (mimeinfo->charset)
500 charset = mimeinfo->charset;
501 textview_write_body(textview, mimeinfo, fp, charset);
504 gtk_stext_thaw(text);
507 #define TEXT_INSERT(str) \
508 gtk_stext_insert(text, textview->msgfont, NULL, NULL, str, -1)
510 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
514 if (!partinfo) return;
516 textview_set_font(textview, NULL);
517 text = GTK_STEXT(textview->text);
518 textview_clear(textview);
520 gtk_stext_freeze(text);
522 TEXT_INSERT(_("To save this part, pop up the context menu with "));
523 TEXT_INSERT(_("right click and select `Save as...', "));
524 TEXT_INSERT(_("or press `y' key.\n\n"));
526 TEXT_INSERT(_("To display this part as a text message, select "));
527 TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
529 TEXT_INSERT(_("To open this part with external program, select "));
530 TEXT_INSERT(_("`Open' or `Open with...', "));
531 TEXT_INSERT(_("or double-click, or click the center button, "));
532 TEXT_INSERT(_("or press `l' key."));
534 gtk_stext_thaw(text);
538 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
542 if (!partinfo) return;
544 textview_set_font(textview, NULL);
545 text = GTK_STEXT(textview->text);
546 textview_clear(textview);
548 gtk_stext_freeze(text);
550 if (partinfo->sigstatus_full == NULL) {
551 TEXT_INSERT(_("This signature has not been checked yet.\n"));
552 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
553 TEXT_INSERT(_("right click and select `Check signature'.\n"));
555 TEXT_INSERT(partinfo->sigstatus_full);
558 gtk_stext_thaw(text);
560 #endif /* USE_GPGME */
564 static void textview_write_body(TextView *textview, MimeInfo *mimeinfo,
565 FILE *fp, const gchar *charset)
571 conv = conv_code_converter_new(charset);
573 tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
575 if (mimeinfo->mime_type == MIME_TEXT_HTML)
576 textview_show_html(textview, tmpfp, conv);
577 else if (mimeinfo->mime_type == MIME_TEXT_ENRICHED)
578 textview_show_ertf(textview, tmpfp, conv);
580 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
581 textview_write_line(textview, buf, conv);
585 conv_code_converter_destroy(conv);
588 static void textview_show_html(TextView *textview, FILE *fp,
595 parser = html_parser_new(fp, conv);
596 g_return_if_fail(parser != NULL);
598 while ((str = html_parse(parser)) != NULL) {
599 if (parser->state == HTML_HREF) {
600 /* first time : get and copy the URL */
602 /* ALF - the sylpheed html parser returns an empty string,
603 * if still inside an <a>, but already parsed past HREF */
604 str = strtok(str, " ");
607 /* the URL may (or not) be followed by the
609 str = strtok(NULL, "");
613 textview_write_link(textview, url, str, NULL);
620 textview_write_line(textview, str, NULL);
623 html_parser_destroy(parser);
626 static void textview_show_ertf(TextView *textview, FILE *fp,
633 parser = ertf_parser_new(fp, conv);
634 g_return_if_fail(parser != NULL);
636 while ((str = ertf_parse(parser)) != NULL) {
637 textview_write_line(textview, str, NULL);
639 ertf_parser_destroy(parser);
642 /* get_uri_part() - retrieves a URI starting from scanpos.
643 Returns TRUE if succesful */
644 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
645 const gchar **bp, const gchar **ep)
649 g_return_val_if_fail(start != NULL, FALSE);
650 g_return_val_if_fail(scanpos != NULL, FALSE);
651 g_return_val_if_fail(bp != NULL, FALSE);
652 g_return_val_if_fail(ep != NULL, FALSE);
656 /* find end point of URI */
657 for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
658 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
662 /* no punctuation at end of string */
664 /* FIXME: this stripping of trailing punctuations may bite with other URIs.
665 * should pass some URI type to this function and decide on that whether
666 * to perform punctuation stripping */
668 #define IS_REAL_PUNCT(ch) (ispunct(ch) && ((ch) != '/'))
670 for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
680 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
682 return g_strndup(bp, ep - bp);
685 /* valid mail address characters */
686 #define IS_RFC822_CHAR(ch) \
691 !strchr("(),;<>\"", (ch)))
693 /* alphabet and number within 7bit ASCII */
694 #define IS_ASCII_ALNUM(ch) (isascii(ch) && isalnum(ch))
695 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
697 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
698 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
699 const gchar **bp, const gchar **ep)
701 /* more complex than the uri part because we need to scan back and forward starting from
702 * the scan position. */
703 gboolean result = FALSE;
704 const gchar *bp_ = NULL;
705 const gchar *ep_ = NULL;
707 /* the informative part of the email address (describing the name
708 * of the email address owner) may contain quoted parts. the
709 * closure stack stores the last encountered quotes. */
710 gchar closure_stack[128];
711 gchar *ptr = closure_stack;
713 g_return_val_if_fail(start != NULL, FALSE);
714 g_return_val_if_fail(scanpos != NULL, FALSE);
715 g_return_val_if_fail(bp != NULL, FALSE);
716 g_return_val_if_fail(ep != NULL, FALSE);
718 /* scan start of address */
719 for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
722 /* TODO: should start with an alnum? */
724 for (; bp_ < scanpos && !IS_ASCII_ALNUM(*bp_); bp_++)
727 if (bp_ != scanpos) {
728 /* scan end of address */
729 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
732 /* TODO: really should terminate with an alnum? */
733 for (; ep_ > scanpos && !IS_ASCII_ALNUM(*ep_); --ep_)
737 if (ep_ > scanpos + 1) {
744 if (!result) return FALSE;
746 /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
747 if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
750 /* see if this is <bracketed>; in this case we also scan for the informative part. */
751 if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
754 #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
755 #define IN_STACK() (ptr > closure_stack)
756 /* has underrun check */
757 #define POP_STACK() if(IN_STACK()) --ptr
758 /* has overrun check */
759 #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE
760 /* has underrun check */
761 #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0)
765 /* scan for the informative part. */
766 for (bp_ -= 2; bp_ >= start; bp_--) {
767 /* if closure on the stack keep scanning */
768 if (PEEK_STACK() == *bp_) {
772 if (*bp_ == '\'' || *bp_ == '"') {
777 /* if nothing in the closure stack, do the special conditions
778 * the following if..else expression simply checks whether
779 * a token is acceptable. if not acceptable, the clause
780 * should terminate the loop with a 'break' */
783 && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
784 && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) {
785 /* hyphens are allowed, but only in
787 } else if (!ispunct(*bp_)) {
788 /* but anything not being a punctiation
791 break; /* anything else is rejected */
804 /* scan forward (should start with an alnum) */
805 for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
815 #undef IS_RFC822_CHAR
817 static gchar *make_email_string(const gchar *bp, const gchar *ep)
819 /* returns a mailto: URI; mailto: is also used to detect the
820 * uri type later on in the button_pressed signal handler */
824 tmp = g_strndup(bp, ep - bp);
825 result = g_strconcat("mailto:", tmp, NULL);
831 #define ADD_TXT_POS(bp_, ep_, pti_) \
832 if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
834 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
837 g_warning("alloc error scanning URIs\n"); \
838 gtk_stext_insert(text, textview->msgfont, fg_color, NULL, \
843 /* textview_make_clickable_parts() - colorizes clickable parts */
844 static void textview_make_clickable_parts(TextView *textview,
848 const gchar *linebuf)
850 /* parse table - in order of priority */
852 const gchar *needle; /* token */
854 /* token search function */
855 gchar *(*search) (const gchar *haystack,
856 const gchar *needle);
857 /* part parsing function */
858 gboolean (*parse) (const gchar *start,
859 const gchar *scanpos,
862 /* part to URI function */
863 gchar *(*build_uri) (const gchar *bp,
867 static struct table parser[] = {
868 {"http://", strcasestr, get_uri_part, make_uri_string},
869 {"https://", strcasestr, get_uri_part, make_uri_string},
870 {"www.", strcasestr, get_uri_part, make_uri_string},
871 {"ftp://", strcasestr, get_uri_part, make_uri_string},
872 {"mailto:", strcasestr, get_uri_part, make_uri_string},
873 {"@", strcasestr, get_email_part, make_email_string}
875 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
878 const gchar *walk, *bp, *ep;
881 const gchar *bp, *ep; /* text position */
882 gint pti; /* index in parse table */
883 struct txtpos *next; /* next */
884 } head = {NULL, NULL, 0, NULL}, *last = &head;
886 GtkSText *text = GTK_STEXT(textview->text);
888 /* parse for clickable parts, and build a list of begin and end positions */
889 for (walk = linebuf, n = 0;;) {
890 gint last_index = PARSE_ELEMS;
891 gchar *scanpos = NULL;
893 /* FIXME: this looks phony. scanning for anything in the parse table */
894 for (n = 0; n < PARSE_ELEMS; n++) {
897 tmp = parser[n].search(walk, parser[n].needle);
899 if (scanpos == NULL || tmp < scanpos) {
907 /* check if URI can be parsed */
908 if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
909 && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
910 ADD_TXT_POS(bp, ep, last_index);
914 strlen(parser[last_index].needle);
919 /* colorize this line */
921 const gchar *normal_text = linebuf;
924 for (last = head.next; last != NULL;
925 normal_text = last->ep, last = last->next) {
928 uri = g_new(RemoteURI, 1);
929 if (last->bp - normal_text > 0)
930 gtk_stext_insert(text, font,
933 last->bp - normal_text);
934 uri->uri = parser[last->pti].build_uri(last->bp,
936 uri->start = gtk_stext_get_point(text);
937 gtk_stext_insert(text, font, uri_color,
938 NULL, last->bp, last->ep - last->bp);
939 uri->end = gtk_stext_get_point(text);
941 g_slist_append(textview->uri_list, uri);
945 gtk_stext_insert(text, font, fg_color,
946 NULL, normal_text, -1);
948 gtk_stext_insert(text, font, fg_color, NULL, linebuf, -1);
953 /* This function writes str as a double-clickable link with the given url. */
954 static void textview_write_link(TextView *textview, const gchar *url,
955 const gchar *str, CodeConverter *conv)
957 GdkColor *link_color = NULL;
959 GtkSText *text = GTK_STEXT(textview->text);
962 /* this part is taken from textview_write_line. Right now the only place
963 * that calls this function passes NULL for conv, but you never know. */
966 strncpy2(buf, str, sizeof(buf));
967 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
968 gtk_stext_insert(text, textview->msgfont,
969 prefs_common.enable_color
970 ? &error_color : NULL, NULL,
971 "*** Warning: code conversion failed ***\n",
977 /* this part is based on the code in make_clickable_parts */
978 if (prefs_common.enable_color) {
979 link_color = &uri_color;
981 uri = g_new(RemoteURI, 1);
982 uri->uri = g_strdup(url);
983 uri->start = gtk_stext_get_point(text);
984 gtk_stext_insert(text, textview->msgfont, link_color, NULL, buf,
986 uri->end = gtk_stext_get_point(text);
987 textview->uri_list = g_slist_append(textview->uri_list, uri);
990 static void textview_write_line(TextView *textview, const gchar *str,
993 GtkSText *text = GTK_STEXT(textview->text);
996 gint quotelevel = -1;
1000 strncpy2(buf, str, sizeof(buf));
1001 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
1002 gtk_stext_insert(text, textview->msgfont,
1003 prefs_common.enable_color
1004 ? &error_color : NULL, NULL,
1005 "*** Warning: code conversion failed ***\n",
1010 if (!conv || conv_convert(conv, buf, sizeof(buf), str) < 0)
1011 strncpy2(buf, str, sizeof(buf));
1014 if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
1017 /* change color of quotation
1018 >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
1019 Up to 3 levels of quotations are detected, and each
1020 level is colored using a different color. */
1021 if (prefs_common.enable_color && strchr(buf, '>')) {
1022 quotelevel = get_quote_level(buf);
1024 /* set up the correct foreground color */
1025 if (quotelevel > 2) {
1026 /* recycle colors */
1027 if (prefs_common.recycle_quote_colors)
1034 if (quotelevel == -1)
1037 fg_color = "e_colors[quotelevel];
1039 if (prefs_common.head_space && spacingfont && buf[0] != '\n')
1040 gtk_stext_insert(text, spacingfont, NULL, NULL, " ", 1);
1042 if (prefs_common.enable_color)
1043 textview_make_clickable_parts(textview, textview->msgfont,
1044 fg_color, &uri_color, buf);
1046 textview_make_clickable_parts(textview, textview->msgfont,
1047 fg_color, NULL, buf);
1050 void textview_clear(TextView *textview)
1052 GtkSText *text = GTK_STEXT(textview->text);
1054 gtk_stext_freeze(text);
1055 gtk_stext_set_point(text, 0);
1056 gtk_stext_forward_delete(text, gtk_stext_get_length(text));
1057 gtk_stext_thaw(text);
1059 textview_uri_list_remove_all(textview->uri_list);
1060 textview->uri_list = NULL;
1063 void textview_destroy(TextView *textview)
1065 textview_uri_list_remove_all(textview->uri_list);
1066 textview->uri_list = NULL;
1068 if (!textview->scrolledwin_sb->parent)
1069 gtk_widget_destroy(textview->scrolledwin_sb);
1070 if (!textview->scrolledwin_mb->parent)
1071 gtk_widget_destroy(textview->scrolledwin_mb);
1073 if (textview->msgfont)
1074 gdk_font_unref(textview->msgfont);
1075 if (textview->boldfont)
1076 gdk_font_unref(textview->boldfont);
1081 void textview_set_all_headers(TextView *textview, gboolean all_headers)
1083 textview->show_all_headers = all_headers;
1086 void textview_set_font(TextView *textview, const gchar *codeset)
1088 gboolean use_fontset = TRUE;
1090 /* In multi-byte mode, GtkSText can't display 8bit characters
1091 correctly, so it must be single-byte mode. */
1092 if (MB_CUR_MAX > 1) {
1094 if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
1095 !g_strcasecmp(codeset, "BALTIC"))
1096 use_fontset = FALSE;
1097 else if (conv_get_current_charset() != C_EUC_JP &&
1098 (!g_strncasecmp(codeset, "KOI8-", 5) ||
1099 !g_strncasecmp(codeset, "CP", 2) ||
1100 !g_strncasecmp(codeset, "WINDOWS-", 8)))
1101 use_fontset = FALSE;
1104 use_fontset = FALSE;
1106 if (textview->text_is_mb && !use_fontset) {
1109 parent = textview->scrolledwin_mb->parent;
1110 gtkut_container_remove(GTK_CONTAINER(parent),
1111 textview->scrolledwin_mb);
1112 gtk_container_add(GTK_CONTAINER(parent),
1113 textview->scrolledwin_sb);
1115 textview->text = textview->text_sb;
1116 textview->text_is_mb = FALSE;
1117 } else if (!textview->text_is_mb && use_fontset) {
1120 parent = textview->scrolledwin_sb->parent;
1121 gtkut_container_remove(GTK_CONTAINER(parent),
1122 textview->scrolledwin_sb);
1123 gtk_container_add(GTK_CONTAINER(parent),
1124 textview->scrolledwin_mb);
1126 textview->text = textview->text_mb;
1127 textview->text_is_mb = TRUE;
1130 if (prefs_common.textfont) {
1135 text_mb_font->ascent = text_mb_font_orig_ascent;
1136 text_mb_font->descent = text_mb_font_orig_descent;
1138 font = gdk_fontset_load(prefs_common.textfont);
1139 if (font && text_mb_font != font) {
1141 gdk_font_unref(text_mb_font);
1142 text_mb_font = font;
1143 text_mb_font_orig_ascent = font->ascent;
1144 text_mb_font_orig_descent = font->descent;
1148 text_sb_font->ascent = text_sb_font_orig_ascent;
1149 text_sb_font->descent = text_sb_font_orig_descent;
1151 if (MB_CUR_MAX > 1) {
1152 FONT_LOAD(font, "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
1154 FONT_LOAD(font, prefs_common.textfont);
1156 if (font && text_sb_font != font) {
1158 gdk_font_unref(text_sb_font);
1159 text_sb_font = font;
1160 text_sb_font_orig_ascent = font->ascent;
1161 text_sb_font_orig_descent = font->descent;
1166 gint ascent, descent;
1168 descent = prefs_common.line_space / 2;
1169 ascent = prefs_common.line_space - descent;
1170 font->ascent += ascent;
1171 font->descent += descent;
1173 if (textview->msgfont)
1174 gdk_font_unref(textview->msgfont);
1175 textview->msgfont = font;
1180 if (!textview->boldfont && prefs_common.boldfont)
1181 FONT_LOAD(textview->boldfont, prefs_common.boldfont);
1183 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
1199 H_ORGANIZATION = 11,
1202 void textview_set_position(TextView *textview, gint pos)
1206 gtk_stext_get_length(GTK_STEXT(textview->text));
1208 textview->cur_pos = pos;
1212 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1214 gchar buf[BUFFSIZE];
1215 GPtrArray *headers, *sorted_headers;
1216 GSList *disphdr_list;
1220 g_return_val_if_fail(fp != NULL, NULL);
1222 if (textview->show_all_headers)
1223 return procheader_get_header_array_asis(fp);
1225 if (!prefs_common.display_header) {
1226 while (fgets(buf, sizeof(buf), fp) != NULL)
1227 if (buf[0] == '\r' || buf[0] == '\n') break;
1231 headers = procheader_get_header_array_asis(fp);
1233 sorted_headers = g_ptr_array_new();
1235 for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1236 disphdr_list = disphdr_list->next) {
1237 DisplayHeaderProp *dp =
1238 (DisplayHeaderProp *)disphdr_list->data;
1240 for (i = 0; i < headers->len; i++) {
1241 header = g_ptr_array_index(headers, i);
1243 if (procheader_headername_equal(header->name,
1246 procheader_header_free(header);
1248 g_ptr_array_add(sorted_headers, header);
1250 g_ptr_array_remove_index(headers, i);
1256 if (prefs_common.show_other_header) {
1257 for (i = 0; i < headers->len; i++) {
1258 header = g_ptr_array_index(headers, i);
1259 g_ptr_array_add(sorted_headers, header);
1263 g_ptr_array_free(headers, FALSE);
1265 return sorted_headers;
1268 static void textview_show_header(TextView *textview, GPtrArray *headers)
1270 GtkSText *text = GTK_STEXT(textview->text);
1274 g_return_if_fail(headers != NULL);
1276 gtk_stext_freeze(text);
1278 for (i = 0; i < headers->len; i++) {
1279 header = g_ptr_array_index(headers, i);
1280 g_return_if_fail(header->name != NULL);
1282 gtk_stext_insert(text, textview->boldfont, NULL, NULL,
1284 if (header->name[strlen(header->name) - 1] != ' ')
1285 gtk_stext_insert(text, textview->boldfont,
1286 NULL, NULL, " ", 1);
1288 if (procheader_headername_equal(header->name, "Subject") ||
1289 procheader_headername_equal(header->name, "From") ||
1290 procheader_headername_equal(header->name, "To") ||
1291 procheader_headername_equal(header->name, "Cc"))
1292 unfold_line(header->body);
1294 if (prefs_common.enable_color &&
1295 (procheader_headername_equal(header->name, "X-Mailer") ||
1296 procheader_headername_equal(header->name,
1298 strstr(header->body, "Sylpheed") != NULL)
1299 gtk_stext_insert(text, NULL, &emphasis_color, NULL,
1301 else if (prefs_common.enable_color) {
1302 textview_make_clickable_parts(textview,
1303 NULL, NULL, &uri_color,
1306 textview_make_clickable_parts(textview,
1310 gtk_stext_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1313 gtk_stext_thaw(text);
1316 gboolean textview_search_string(TextView *textview, const gchar *str,
1319 GtkSText *text = GTK_STEXT(textview->text);
1324 gboolean found = FALSE;
1326 g_return_val_if_fail(str != NULL, FALSE);
1328 wcs = strdup_mbstowcs(str);
1329 g_return_val_if_fail(wcs != NULL, FALSE);
1331 pos = textview->cur_pos;
1332 if (pos < textview->body_pos)
1333 pos = textview->body_pos;
1334 text_len = gtk_stext_get_length(text);
1335 if (text_len - pos < len) {
1340 for (; pos < text_len; pos++) {
1341 if (text_len - pos < len) break;
1342 if (gtkut_stext_match_string(text, pos, wcs, len, case_sens)
1344 gtk_widget_hide(GTK_WIDGET(textview->scrolledwin));
1345 gtk_editable_set_position(GTK_EDITABLE(text),
1347 gtk_editable_select_region(GTK_EDITABLE(text),
1349 gtk_widget_show(GTK_WIDGET(textview->scrolledwin));
1350 textview_set_position(textview, pos + len);
1354 if (text_len - pos == len) break;
1360 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1363 GtkSText *text = GTK_STEXT(textview->text);
1368 gboolean found = FALSE;
1370 g_return_val_if_fail(str != NULL, FALSE);
1372 wcs = strdup_mbstowcs(str);
1373 g_return_val_if_fail(wcs != NULL, FALSE);
1375 pos = textview->cur_pos;
1376 text_len = gtk_stext_get_length(text);
1377 if (text_len - textview->body_pos < len) {
1381 if (pos <= textview->body_pos || text_len - pos < len)
1382 pos = text_len - len;
1384 for (; pos >= textview->body_pos; pos--) {
1385 if (gtkut_stext_match_string(text, pos, wcs, len, case_sens)
1387 gtk_editable_set_position(GTK_EDITABLE(text), pos);
1388 gtk_editable_select_region(GTK_EDITABLE(text),
1390 textview_set_position(textview, pos - 1);
1394 if (pos == textview->body_pos) break;
1401 void textview_scroll_one_line(TextView *textview, gboolean up)
1403 GtkSText *text = GTK_STEXT(textview->text);
1406 if (prefs_common.enable_smooth_scroll) {
1407 textview_smooth_scroll_one_line(textview, up);
1412 upper = text->vadj->upper - text->vadj->page_size;
1413 if (text->vadj->value < upper) {
1414 text->vadj->value +=
1415 text->vadj->step_increment * 4;
1417 MIN(text->vadj->value, upper);
1418 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1422 if (text->vadj->value > 0.0) {
1423 text->vadj->value -=
1424 text->vadj->step_increment * 4;
1426 MAX(text->vadj->value, 0.0);
1427 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1433 gboolean textview_scroll_page(TextView *textview, gboolean up)
1435 GtkSText *text = GTK_STEXT(textview->text);
1439 if (prefs_common.enable_smooth_scroll)
1440 return textview_smooth_scroll_page(textview, up);
1442 if (prefs_common.scroll_halfpage)
1443 page_incr = text->vadj->page_increment / 2;
1445 page_incr = text->vadj->page_increment;
1448 upper = text->vadj->upper - text->vadj->page_size;
1449 if (text->vadj->value < upper) {
1450 text->vadj->value += page_incr;
1451 text->vadj->value = MIN(text->vadj->value, upper);
1452 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1457 if (text->vadj->value > 0.0) {
1458 text->vadj->value -= page_incr;
1459 text->vadj->value = MAX(text->vadj->value, 0.0);
1460 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1469 static void textview_smooth_scroll_do(TextView *textview,
1470 gfloat old_value, gfloat last_value,
1473 GtkSText *text = GTK_STEXT(textview->text);
1478 if (old_value < last_value) {
1479 change_value = last_value - old_value;
1482 change_value = old_value - last_value;
1486 gdk_key_repeat_disable();
1488 for (i = step; i <= change_value; i += step) {
1489 text->vadj->value = old_value + (up ? -i : i);
1490 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1494 text->vadj->value = last_value;
1495 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1497 gdk_key_repeat_restore();
1500 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1502 GtkSText *text = GTK_STEXT(textview->text);
1508 upper = text->vadj->upper - text->vadj->page_size;
1509 if (text->vadj->value < upper) {
1510 old_value = text->vadj->value;
1511 last_value = text->vadj->value +
1512 text->vadj->step_increment * 4;
1513 last_value = MIN(last_value, upper);
1515 textview_smooth_scroll_do(textview, old_value,
1517 prefs_common.scroll_step);
1520 if (text->vadj->value > 0.0) {
1521 old_value = text->vadj->value;
1522 last_value = text->vadj->value -
1523 text->vadj->step_increment * 4;
1524 last_value = MAX(last_value, 0.0);
1526 textview_smooth_scroll_do(textview, old_value,
1528 prefs_common.scroll_step);
1533 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1535 GtkSText *text = GTK_STEXT(textview->text);
1541 if (prefs_common.scroll_halfpage)
1542 page_incr = text->vadj->page_increment / 2;
1544 page_incr = text->vadj->page_increment;
1547 upper = text->vadj->upper - text->vadj->page_size;
1548 if (text->vadj->value < upper) {
1549 old_value = text->vadj->value;
1550 last_value = text->vadj->value + page_incr;
1551 last_value = MIN(last_value, upper);
1553 textview_smooth_scroll_do(textview, old_value,
1555 prefs_common.scroll_step);
1559 if (text->vadj->value > 0.0) {
1560 old_value = text->vadj->value;
1561 last_value = text->vadj->value - page_incr;
1562 last_value = MAX(last_value, 0.0);
1564 textview_smooth_scroll_do(textview, old_value,
1566 prefs_common.scroll_step);
1574 #define KEY_PRESS_EVENT_STOP() \
1575 if (gtk_signal_n_emissions_by_name \
1576 (GTK_OBJECT(widget), "key_press_event") > 0) { \
1577 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), \
1578 "key_press_event"); \
1581 static gint textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1584 SummaryView *summaryview = NULL;
1585 MessageView *messageview = textview->messageview;
1587 if (!event) return FALSE;
1588 if (messageview->mainwin)
1589 summaryview = messageview->mainwin->summaryview;
1591 switch (event->keyval) {
1606 summary_pass_key_press_event(summaryview, event);
1608 textview_scroll_page(textview, FALSE);
1611 textview_scroll_page(textview, TRUE);
1614 textview_scroll_one_line(textview,
1615 (event->state & GDK_MOD1_MASK) != 0);
1624 if (messageview->type == MVIEW_MIME) {
1625 KEY_PRESS_EVENT_STOP();
1626 mimeview_pass_key_press_event(messageview->mimeview,
1633 summary_pass_key_press_event(summaryview, event);
1640 static gint textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1644 textview->last_buttonpress = event->type;
1648 static gint textview_button_released(GtkWidget *widget, GdkEventButton *event,
1652 gtk_editable_get_position(GTK_EDITABLE(textview->text));
1655 ((event->button == 1 && textview->last_buttonpress == GDK_2BUTTON_PRESS)
1656 || event->button == 2 || event->button == 3)) {
1659 /* double click seems to set the cursor after the current
1660 * word. The cursor position needs fixing, otherwise the
1661 * last word of a clickable zone will not work */
1662 if (event->button == 1 && textview->last_buttonpress == GDK_2BUTTON_PRESS) {
1663 textview->cur_pos--;
1666 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1667 RemoteURI *uri = (RemoteURI *)cur->data;
1669 if (textview->cur_pos >= uri->start &&
1670 textview->cur_pos < uri->end) {
1671 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1672 if (event->button == 3) {
1673 gchar *fromname, *fromaddress;
1674 GdkEventButton tmpev;
1677 fromaddress = g_strdup(uri->uri + 7);
1678 /* Hiroyuki: please put this function in utils.c! */
1679 fromname = procheader_get_fromname(fromaddress);
1680 extract_address(fromaddress);
1681 g_message("adding from textview %s <%s>", fromname, fromaddress);
1682 /* Add to address book - Match */
1683 addressbook_add_contact( fromname, fromaddress, NULL );
1685 g_free(fromaddress);
1688 PrefsAccount *account = NULL;
1689 FolderItem *folder_item;
1691 if (textview->messageview && textview->messageview->mainwin
1692 && textview->messageview->mainwin->summaryview
1693 && textview->messageview->mainwin->summaryview->folder_item) {
1694 folder_item = textview->messageview->mainwin->summaryview->folder_item;
1695 if (folder_item->prefs && folder_item->prefs->enable_default_account)
1696 account = account_find_from_id(folder_item->prefs->default_account);
1698 compose_new_with_recipient
1699 (account, uri->uri + 7);
1703 prefs_common.uri_cmd);
1709 textview->last_buttonpress = event->type;
1713 static void textview_uri_list_remove_all(GSList *uri_list)
1717 for (cur = uri_list; cur != NULL; cur = cur->next) {
1719 g_free(((RemoteURI *)cur->data)->uri);
1724 g_slist_free(uri_list);