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/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); \
63 typedef struct _RemoteURI RemoteURI;
73 static GdkColor quote_colors[3] = {
74 {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
75 {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
76 {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
79 static GdkColor uri_color = {
86 static GdkColor emphasis_color = {
93 static GdkColor error_color = {
100 static GdkFont *spacingfont;
102 static void textview_show_ertf (TextView *textview,
104 CodeConverter *conv);
105 static void textview_show_html (TextView *textview,
107 CodeConverter *conv);
108 static void textview_write_line (TextView *textview,
110 CodeConverter *conv);
111 static void textview_write_link (TextView *textview,
114 CodeConverter *conv);
115 static GPtrArray *textview_scan_header (TextView *textview,
117 static void textview_show_header (TextView *textview,
120 static void textview_key_pressed (GtkWidget *widget,
123 static gint textview_button_pressed (GtkWidget *widget,
124 GdkEventButton *event,
126 static gint textview_button_released (GtkWidget *widget,
127 GdkEventButton *event,
130 static void textview_uri_list_remove_all(GSList *uri_list);
132 static void textview_smooth_scroll_do (TextView *textview,
136 static void textview_smooth_scroll_one_line (TextView *textview,
138 static gboolean textview_smooth_scroll_page (TextView *textview,
142 TextView *textview_create(void)
146 GtkWidget *scrolledwin_sb;
147 GtkWidget *scrolledwin_mb;
151 debug_print(_("Creating text view...\n"));
152 textview = g_new0(TextView, 1);
154 scrolledwin_sb = gtk_scrolled_window_new(NULL, NULL);
155 scrolledwin_mb = gtk_scrolled_window_new(NULL, NULL);
156 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_sb),
157 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
158 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_mb),
159 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
160 gtk_widget_set_usize(scrolledwin_sb, prefs_common.mainview_width, -1);
161 gtk_widget_set_usize(scrolledwin_mb, prefs_common.mainview_width, -1);
163 /* create GtkSText widgets for single-byte and multi-byte character */
164 text_sb = gtk_stext_new(NULL, NULL);
165 text_mb = gtk_stext_new(NULL, NULL);
166 GTK_STEXT(text_sb)->default_tab_width = 8;
167 GTK_STEXT(text_mb)->default_tab_width = 8;
168 gtk_widget_show(text_sb);
169 gtk_widget_show(text_mb);
170 gtk_stext_set_word_wrap(GTK_STEXT(text_sb), TRUE);
171 gtk_stext_set_word_wrap(GTK_STEXT(text_mb), TRUE);
172 gtk_widget_ensure_style(text_sb);
173 gtk_widget_ensure_style(text_mb);
174 if (text_sb->style && text_sb->style->font->type == GDK_FONT_FONTSET) {
177 style = gtk_style_copy(text_sb->style);
178 gdk_font_unref(style->font);
179 FONT_LOAD(style->font, NORMAL_FONT);
180 gtk_widget_set_style(text_sb, style);
182 if (text_mb->style && text_mb->style->font->type == GDK_FONT_FONT) {
185 style = gtk_style_copy(text_mb->style);
186 gdk_font_unref(style->font);
187 style->font = gdk_fontset_load(NORMAL_FONT);
188 gtk_widget_set_style(text_mb, style);
190 gtk_widget_ref(scrolledwin_sb);
191 gtk_widget_ref(scrolledwin_mb);
193 gtk_container_add(GTK_CONTAINER(scrolledwin_sb), text_sb);
194 gtk_container_add(GTK_CONTAINER(scrolledwin_mb), text_mb);
195 gtk_signal_connect(GTK_OBJECT(text_sb), "key_press_event",
196 GTK_SIGNAL_FUNC(textview_key_pressed),
198 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_press_event",
199 GTK_SIGNAL_FUNC(textview_button_pressed),
201 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_release_event",
202 GTK_SIGNAL_FUNC(textview_button_released),
204 gtk_signal_connect(GTK_OBJECT(text_mb), "key_press_event",
205 GTK_SIGNAL_FUNC(textview_key_pressed),
207 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_press_event",
208 GTK_SIGNAL_FUNC(textview_button_pressed),
210 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_release_event",
211 GTK_SIGNAL_FUNC(textview_button_released),
214 gtk_widget_show(scrolledwin_sb);
215 gtk_widget_show(scrolledwin_mb);
217 vbox = gtk_vbox_new(FALSE, 0);
218 gtk_box_pack_start(GTK_BOX(vbox), scrolledwin_sb, TRUE, TRUE, 0);
220 textview->vbox = vbox;
221 textview->scrolledwin = scrolledwin_sb;
222 textview->scrolledwin_sb = scrolledwin_sb;
223 textview->scrolledwin_mb = scrolledwin_mb;
224 textview->text = text_sb;
225 textview->text_sb = text_sb;
226 textview->text_mb = text_mb;
227 textview->text_is_mb = FALSE;
228 textview->uri_list = NULL;
229 textview->body_pos = 0;
230 textview->cur_pos = 0;
231 textview->last_buttonpress = GDK_NOTHING;
236 void textview_init(TextView *textview)
238 gtkut_widget_disable_theme_engine(textview->text_sb);
239 gtkut_widget_disable_theme_engine(textview->text_mb);
240 textview_update_message_colors();
241 textview_set_font(textview, NULL);
244 void textview_update_message_colors(void)
246 GdkColor black = {0, 0, 0, 0};
248 if (prefs_common.enable_color) {
249 /* grab the quote colors, converting from an int to a GdkColor */
250 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
252 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
254 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
256 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
259 quote_colors[0] = quote_colors[1] = quote_colors[2] =
260 uri_color = emphasis_color = black;
264 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
269 if ((fp = fopen(file, "r")) == NULL) {
270 FILE_OP_ERROR(file, "fopen");
274 textview_show_part(textview, mimeinfo, fp);
279 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
283 const gchar *boundary = NULL;
284 gint boundary_len = 0;
285 const gchar *charset = NULL;
287 GPtrArray *headers = NULL;
290 g_return_if_fail(mimeinfo != NULL);
291 g_return_if_fail(fp != NULL);
293 if (mimeinfo->mime_type == MIME_MULTIPART) {
295 mimeinfo = mimeinfo->sub;
296 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) {
303 if (mimeinfo->parent && mimeinfo->parent->boundary) {
304 boundary = mimeinfo->parent->boundary;
305 boundary_len = strlen(boundary);
308 if (!boundary && (mimeinfo->mime_type == MIME_TEXT || mimeinfo->mime_type == MIME_TEXT_HTML || mimeinfo->mime_type == MIME_TEXT_ENRICHED)) {
310 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
312 headers = textview_scan_header(textview, fp);
314 if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) {
316 MimeInfo *parent = mimeinfo->parent;
318 while (parent->parent) {
320 parent->main->mime_type ==
323 parent = parent->parent;
326 if ((fpos = ftell(fp)) < 0)
328 else if (fseek(fp, parent->fpos, SEEK_SET) < 0)
331 headers = textview_scan_header(textview, fp);
332 if (fseek(fp, fpos, SEEK_SET) < 0)
336 /* skip MIME part headers */
337 while (fgets(buf, sizeof(buf), fp) != NULL)
338 if (buf[0] == '\r' || buf[0] == '\n') break;
341 /* display attached RFC822 single text message */
342 if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
343 if (headers) procheader_header_array_destroy(headers);
344 if (!mimeinfo->sub || mimeinfo->sub->children) return;
345 headers = textview_scan_header(textview, fp);
346 mimeinfo = mimeinfo->sub;
347 } else if (!mimeinfo->parent &&
348 mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
349 if (headers) procheader_header_array_destroy(headers);
350 if (!mimeinfo->sub) return;
351 headers = textview_scan_header(textview, fp);
352 mimeinfo = mimeinfo->sub;
355 if (prefs_common.force_charset)
356 charset = prefs_common.force_charset;
357 else if (mimeinfo->charset)
358 charset = mimeinfo->charset;
359 textview_set_font(textview, charset);
361 conv = conv_code_converter_new(charset);
363 textview_clear(textview);
364 text = GTK_STEXT(textview->text);
365 gtk_stext_freeze(text);
367 textview->body_pos = 0;
368 textview->cur_pos = 0;
371 textview_show_header(textview, headers);
372 procheader_header_array_destroy(headers);
375 tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
377 if (mimeinfo->mime_type == MIME_TEXT_HTML)
378 textview_show_html(textview, tmpfp, conv);
379 else if (mimeinfo->mime_type == MIME_TEXT_ENRICHED)
380 textview_show_ertf(textview, tmpfp, conv);
382 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
383 textview_write_line(textview, buf, conv);
387 conv_code_converter_destroy(conv);
389 gtk_stext_thaw(text);
392 #define TEXT_INSERT(str) \
393 gtk_stext_insert(text, textview->msgfont, NULL, NULL, str, -1)
395 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
399 if (!partinfo) return;
401 textview_set_font(textview, NULL);
402 text = GTK_STEXT(textview->text);
403 textview_clear(textview);
405 gtk_stext_freeze(text);
407 TEXT_INSERT(_("To save this part, pop up the context menu with "));
408 TEXT_INSERT(_("right click and select `Save as...', "));
409 TEXT_INSERT(_("or press `y' key.\n\n"));
411 TEXT_INSERT(_("To display this part as a text message, select "));
412 TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
414 TEXT_INSERT(_("To open this part with external program, select "));
415 TEXT_INSERT(_("`Open' or `Open with...', "));
416 TEXT_INSERT(_("or double-click, or click the center button, "));
417 TEXT_INSERT(_("or press `l' key."));
419 gtk_stext_thaw(text);
423 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
427 if (!partinfo) return;
429 textview_set_font(textview, NULL);
430 text = GTK_STEXT(textview->text);
431 textview_clear(textview);
433 gtk_stext_freeze(text);
435 if (partinfo->sigstatus_full == NULL) {
436 TEXT_INSERT(_("This signature has not been checked yet.\n"));
437 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
438 TEXT_INSERT(_("right click and select `Check signature'.\n"));
440 TEXT_INSERT(partinfo->sigstatus_full);
443 gtk_stext_thaw(text);
445 #endif /* USE_GPGME */
449 static void textview_show_html(TextView *textview, FILE *fp,
456 parser = html_parser_new(fp, conv);
457 g_return_if_fail(parser != NULL);
459 while ((str = html_parse(parser)) != NULL) {
460 if (parser->state == HTML_HREF) {
461 /* first time : get and copy the URL */
463 /* ALF - the sylpheed html parser returns an empty string,
464 * if still inside an <a>, but already parsed past HREF */
465 str = strtok(str, " ");
468 /* the URL may (or not) be followed by the
470 str = strtok(NULL, "");
474 textview_write_link(textview, url, str, NULL);
481 textview_write_line(textview, str, NULL);
484 html_parser_destroy(parser);
487 static void textview_show_ertf(TextView *textview, FILE *fp,
494 parser = ertf_parser_new(fp, conv);
495 g_return_if_fail(parser != NULL);
497 while ((str = ertf_parse(parser)) != NULL) {
498 textview_write_line(textview, str, NULL);
500 ertf_parser_destroy(parser);
503 /* get_uri_part() - retrieves a URI starting from scanpos.
504 Returns TRUE if succesful */
505 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
506 const gchar **bp, const gchar **ep)
510 g_return_val_if_fail(start != NULL, FALSE);
511 g_return_val_if_fail(scanpos != NULL, FALSE);
512 g_return_val_if_fail(bp != NULL, FALSE);
513 g_return_val_if_fail(ep != NULL, FALSE);
517 /* find end point of URI */
518 for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
519 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
523 /* no punctuation at end of string */
525 /* FIXME: this stripping of trailing punctuations may bite with other URIs.
526 * should pass some URI type to this function and decide on that whether
527 * to perform punctuation stripping */
529 #define IS_REAL_PUNCT(ch) (ispunct(ch) && ((ch) != '/'))
531 for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
541 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
543 return g_strndup(bp, ep - bp);
546 /* valid mail address characters */
547 #define IS_RFC822_CHAR(ch) \
552 !strchr("()<>\"", (ch)))
554 /* alphabet and number within 7bit ASCII */
555 #define IS_ASCII_ALNUM(ch) (isascii(ch) && isalnum(ch))
556 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
558 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
559 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
560 const gchar **bp, const gchar **ep)
562 /* more complex than the uri part because we need to scan back and forward starting from
563 * the scan position. */
564 gboolean result = FALSE;
565 const gchar *bp_ = NULL;
566 const gchar *ep_ = NULL;
568 /* the informative part of the email address (describing the name
569 * of the email address owner) may contain quoted parts. the
570 * closure stack stores the last encountered quotes. */
571 gchar closure_stack[128];
572 gchar *ptr = closure_stack;
574 g_return_val_if_fail(start != NULL, FALSE);
575 g_return_val_if_fail(scanpos != NULL, FALSE);
576 g_return_val_if_fail(bp != NULL, FALSE);
577 g_return_val_if_fail(ep != NULL, FALSE);
579 /* scan start of address */
580 for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
583 /* TODO: should start with an alnum? */
585 for (; bp_ < scanpos && !IS_ASCII_ALNUM(*bp_); bp_++)
588 if (bp_ != scanpos) {
589 /* scan end of address */
590 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
593 /* TODO: really should terminate with an alnum? */
594 for (; ep_ > scanpos && !IS_ASCII_ALNUM(*ep_); --ep_)
598 if (ep_ > scanpos + 1) {
605 if (!result) return FALSE;
607 /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
608 if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
611 /* see if this is <bracketed>; in this case we also scan for the informative part. */
612 if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
615 #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
616 #define IN_STACK() (ptr > closure_stack)
617 /* has underrun check */
618 #define POP_STACK() if(IN_STACK()) --ptr
619 /* has overrun check */
620 #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE
621 /* has underrun check */
622 #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0)
626 /* scan for the informative part. */
627 for (bp_ -= 2; bp_ >= start; bp_--) {
628 /* if closure on the stack keep scanning */
629 if (PEEK_STACK() == *bp_) {
633 if (*bp_ == '\'' || *bp_ == '"') {
638 /* if nothing in the closure stack, do the special conditions
639 * the following if..else expression simply checks whether
640 * a token is acceptable. if not acceptable, the clause
641 * should terminate the loop with a 'break' */
644 && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
645 && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) {
646 /* hyphens are allowed, but only in
648 } else if (!ispunct(*bp_)) {
649 /* but anything not being a punctiation
652 break; /* anything else is rejected */
665 /* scan forward (should start with an alnum) */
666 for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
676 #undef IS_RFC822_CHAR
678 static gchar *make_email_string(const gchar *bp, const gchar *ep)
680 /* returns a mailto: URI; mailto: is also used to detect the
681 * uri type later on in the button_pressed signal handler */
685 tmp = g_strndup(bp, ep - bp);
686 result = g_strconcat("mailto:", tmp, NULL);
692 #define ADD_TXT_POS(bp_, ep_, pti_) \
693 if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
695 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
698 g_warning("alloc error scanning URIs\n"); \
699 gtk_stext_insert(text, textview->msgfont, fg_color, NULL, \
704 /* textview_make_clickable_parts() - colorizes clickable parts */
705 static void textview_make_clickable_parts(TextView *textview,
709 const gchar *linebuf)
711 /* parse table - in order of priority */
713 const gchar *needle; /* token */
715 /* token search function */
716 gchar *(*search) (const gchar *haystack,
717 const gchar *needle);
718 /* part parsing function */
719 gboolean (*parse) (const gchar *start,
720 const gchar *scanpos,
723 /* part to URI function */
724 gchar *(*build_uri) (const gchar *bp,
728 static struct table parser[] = {
729 {"http://", strcasestr, get_uri_part, make_uri_string},
730 {"https://", strcasestr, get_uri_part, make_uri_string},
731 {"ftp://", strcasestr, get_uri_part, make_uri_string},
732 {"mailto:", strcasestr, get_uri_part, make_uri_string},
733 {"@", strcasestr, get_email_part, make_email_string}
735 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
738 const gchar *walk, *bp, *ep;
741 const gchar *bp, *ep; /* text position */
742 gint pti; /* index in parse table */
743 struct txtpos *next; /* next */
744 } head = {NULL, NULL, 0, NULL}, *last = &head;
746 GtkSText *text = GTK_STEXT(textview->text);
748 /* parse for clickable parts, and build a list of begin and end positions */
749 for (walk = linebuf, n = 0;;) {
750 gint last_index = PARSE_ELEMS;
751 gchar *scanpos = NULL;
753 /* FIXME: this looks phony. scanning for anything in the parse table */
754 for (n = 0; n < PARSE_ELEMS; n++) {
757 tmp = parser[n].search(walk, parser[n].needle);
759 if (scanpos == NULL || tmp < scanpos) {
767 /* check if URI can be parsed */
768 if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
769 && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
770 ADD_TXT_POS(bp, ep, last_index);
774 strlen(parser[last_index].needle);
779 /* colorize this line */
781 const gchar *normal_text = linebuf;
784 for (last = head.next; last != NULL;
785 normal_text = last->ep, last = last->next) {
788 uri = g_new(RemoteURI, 1);
789 if (last->bp - normal_text > 0)
790 gtk_stext_insert(text, font,
793 last->bp - normal_text);
794 uri->uri = parser[last->pti].build_uri(last->bp,
796 uri->start = gtk_stext_get_point(text);
797 gtk_stext_insert(text, font, uri_color,
798 NULL, last->bp, last->ep - last->bp);
799 uri->end = gtk_stext_get_point(text);
801 g_slist_append(textview->uri_list, uri);
805 gtk_stext_insert(text, font, fg_color,
806 NULL, normal_text, -1);
808 gtk_stext_insert(text, font, fg_color, NULL, linebuf, -1);
813 /* This function writes str as a double-clickable link with the given url. */
814 static void textview_write_link(TextView *textview, const gchar *url,
815 const gchar *str, CodeConverter *conv)
817 GdkColor *link_color = NULL;
819 GtkSText *text = GTK_STEXT(textview->text);
822 /* this part is taken from textview_write_line. Right now the only place
823 * that calls this function passes NULL for conv, but you never know. */
825 strncpy2(buf, str, sizeof(buf));
826 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
827 gtk_stext_insert(text, textview->msgfont,
828 prefs_common.enable_color
829 ? &error_color : NULL, NULL,
830 "*** Warning: code conversion failed ***\n",
835 /* this part is based on the code in make_clickable_parts */
836 if (prefs_common.enable_color) {
837 link_color = &uri_color;
839 uri = g_new(RemoteURI, 1);
840 uri->uri = g_strdup(url);
841 uri->start = gtk_stext_get_point(text);
842 gtk_stext_insert(text, textview->msgfont, link_color, NULL, buf,
844 uri->end = gtk_stext_get_point(text);
845 textview->uri_list = g_slist_append(textview->uri_list, uri);
848 static void textview_write_line(TextView *textview, const gchar *str,
851 GtkSText *text = GTK_STEXT(textview->text);
854 gint quotelevel = -1;
857 strncpy2(buf, str, sizeof(buf));
858 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
859 gtk_stext_insert(text, textview->msgfont,
860 prefs_common.enable_color
861 ? &error_color : NULL, NULL,
862 "*** Warning: code conversion failed ***\n",
868 if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
871 /* change color of quotation
872 >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
873 Up to 3 levels of quotations are detected, and each
874 level is colored using a different color. */
875 if (prefs_common.enable_color && strchr(buf, '>')) {
876 quotelevel = get_quote_level(buf);
878 /* set up the correct foreground color */
879 if (quotelevel > 2) {
881 if (prefs_common.recycle_quote_colors)
888 if (quotelevel == -1)
891 fg_color = "e_colors[quotelevel];
893 if (prefs_common.head_space && spacingfont && buf[0] != '\n')
894 gtk_stext_insert(text, spacingfont, NULL, NULL, " ", 1);
896 if (prefs_common.enable_color)
897 textview_make_clickable_parts(textview, textview->msgfont,
898 fg_color, &uri_color, buf);
900 textview_make_clickable_parts(textview, textview->msgfont,
901 fg_color, NULL, buf);
904 void textview_clear(TextView *textview)
906 GtkSText *text = GTK_STEXT(textview->text);
908 gtk_stext_freeze(text);
909 gtk_stext_set_point(text, 0);
910 gtk_stext_forward_delete(text, gtk_stext_get_length(text));
911 gtk_stext_thaw(text);
913 textview_uri_list_remove_all(textview->uri_list);
914 textview->uri_list = NULL;
917 void textview_destroy(TextView *textview)
919 textview_uri_list_remove_all(textview->uri_list);
920 textview->uri_list = NULL;
922 if (!textview->scrolledwin_sb->parent)
923 gtk_widget_destroy(textview->scrolledwin_sb);
924 if (!textview->scrolledwin_mb->parent)
925 gtk_widget_destroy(textview->scrolledwin_mb);
927 if (textview->msgfont) {
928 textview->msgfont->ascent = textview->prev_ascent;
929 textview->msgfont->descent = textview->prev_descent;
930 gdk_font_unref(textview->msgfont);
932 if (textview->boldfont)
933 gdk_font_unref(textview->boldfont);
938 void textview_set_font(TextView *textview, const gchar *codeset)
940 gboolean use_fontset = TRUE;
942 /* In multi-byte mode, GtkSText can't display 8bit characters
943 correctly, so it must be single-byte mode. */
944 if (MB_CUR_MAX > 1) {
946 if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
947 !g_strcasecmp(codeset, "BALTIC"))
949 else if (conv_get_current_charset() != C_EUC_JP &&
950 (!g_strncasecmp(codeset, "KOI8-", 5) ||
951 !g_strncasecmp(codeset, "CP", 2) ||
952 !g_strncasecmp(codeset, "WINDOWS-", 8)))
958 if (textview->text_is_mb && !use_fontset) {
961 parent = textview->scrolledwin_mb->parent;
962 gtkut_container_remove(GTK_CONTAINER(parent),
963 textview->scrolledwin_mb);
964 gtk_container_add(GTK_CONTAINER(parent),
965 textview->scrolledwin_sb);
967 textview->text = textview->text_sb;
968 textview->text_is_mb = FALSE;
969 } else if (!textview->text_is_mb && use_fontset) {
972 parent = textview->scrolledwin_sb->parent;
973 gtkut_container_remove(GTK_CONTAINER(parent),
974 textview->scrolledwin_sb);
975 gtk_container_add(GTK_CONTAINER(parent),
976 textview->scrolledwin_mb);
978 textview->text = textview->text_mb;
979 textview->text_is_mb = TRUE;
982 if (prefs_common.textfont) {
983 if (textview->msgfont) {
984 textview->msgfont->ascent = textview->prev_ascent;
985 textview->msgfont->descent = textview->prev_descent;
986 gdk_font_unref(textview->msgfont);
987 textview->msgfont = NULL;
991 gdk_fontset_load(prefs_common.textfont);
993 if (MB_CUR_MAX > 1) {
994 FONT_LOAD(textview->msgfont,
995 "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
997 FONT_LOAD(textview->msgfont,
998 prefs_common.textfont);
1002 if (textview->msgfont) {
1003 gint ascent, descent;
1005 textview->prev_ascent = textview->msgfont->ascent;
1006 textview->prev_descent = textview->msgfont->descent;
1007 descent = prefs_common.line_space / 2;
1008 ascent = prefs_common.line_space - descent;
1009 textview->msgfont->ascent += ascent;
1010 textview->msgfont->descent += descent;
1014 if (!textview->boldfont)
1015 FONT_LOAD(textview->boldfont, BOLD_FONT);
1017 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
1033 H_ORGANIZATION = 11,
1036 void textview_set_position(TextView *textview, gint pos)
1040 gtk_stext_get_length(GTK_STEXT(textview->text));
1042 textview->cur_pos = pos;
1046 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1048 gchar buf[BUFFSIZE];
1049 GPtrArray *headers, *sorted_headers;
1050 GSList *disphdr_list;
1054 g_return_val_if_fail(fp != NULL, NULL);
1056 if (!prefs_common.display_header) {
1057 while (fgets(buf, sizeof(buf), fp) != NULL)
1058 if (buf[0] == '\r' || buf[0] == '\n') break;
1062 headers = procheader_get_header_array_asis(fp);
1064 sorted_headers = g_ptr_array_new();
1066 for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1067 disphdr_list = disphdr_list->next) {
1068 DisplayHeaderProp *dp =
1069 (DisplayHeaderProp *)disphdr_list->data;
1071 for (i = 0; i < headers->len; i++) {
1072 header = g_ptr_array_index(headers, i);
1074 if (procheader_headername_equal(header->name,
1077 procheader_header_free(header);
1079 g_ptr_array_add(sorted_headers, header);
1081 g_ptr_array_remove_index(headers, i);
1087 if (prefs_common.show_other_header) {
1088 for (i = 0; i < headers->len; i++) {
1089 header = g_ptr_array_index(headers, i);
1090 g_ptr_array_add(sorted_headers, header);
1094 g_ptr_array_free(headers, FALSE);
1096 return sorted_headers;
1099 static void textview_show_header(TextView *textview, GPtrArray *headers)
1101 GtkSText *text = GTK_STEXT(textview->text);
1105 g_return_if_fail(headers != NULL);
1107 gtk_stext_freeze(text);
1109 for (i = 0; i < headers->len; i++) {
1110 header = g_ptr_array_index(headers, i);
1111 g_return_if_fail(header->name != NULL);
1113 gtk_stext_insert(text, textview->boldfont, NULL, NULL,
1115 if (header->name[strlen(header->name) - 1] != ' ')
1116 gtk_stext_insert(text, textview->boldfont,
1117 NULL, NULL, " ", 1);
1119 if (procheader_headername_equal(header->name, "Subject") ||
1120 procheader_headername_equal(header->name, "From") ||
1121 procheader_headername_equal(header->name, "To") ||
1122 procheader_headername_equal(header->name, "Cc"))
1123 unfold_line(header->body);
1125 if (prefs_common.enable_color &&
1126 (procheader_headername_equal(header->name, "X-Mailer") ||
1127 procheader_headername_equal(header->name,
1129 strstr(header->body, "Sylpheed") != NULL)
1130 gtk_stext_insert(text, NULL, &emphasis_color, NULL,
1132 else if (prefs_common.enable_color) {
1133 textview_make_clickable_parts(textview,
1134 NULL, NULL, &uri_color,
1137 textview_make_clickable_parts(textview,
1141 gtk_stext_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1144 gtk_stext_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1145 gtk_stext_thaw(text);
1146 textview->body_pos = gtk_stext_get_length(text);
1149 gboolean textview_search_string(TextView *textview, const gchar *str,
1152 GtkSText *text = GTK_STEXT(textview->text);
1157 gboolean found = FALSE;
1159 g_return_val_if_fail(str != NULL, FALSE);
1161 wcs = strdup_mbstowcs(str);
1162 g_return_val_if_fail(wcs != NULL, FALSE);
1164 pos = textview->cur_pos;
1165 if (pos < textview->body_pos)
1166 pos = textview->body_pos;
1167 text_len = gtk_stext_get_length(text);
1168 if (text_len - pos < len) {
1173 for (; pos < text_len; pos++) {
1174 if (text_len - pos < len) break;
1175 if (gtkut_stext_match_string(text, pos, wcs, len, case_sens)
1177 gtk_editable_set_position(GTK_EDITABLE(text),
1179 gtk_editable_select_region(GTK_EDITABLE(text),
1181 textview_set_position(textview, pos + len);
1185 if (text_len - pos == len) break;
1192 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1195 GtkSText *text = GTK_STEXT(textview->text);
1200 gboolean found = FALSE;
1202 g_return_val_if_fail(str != NULL, FALSE);
1204 wcs = strdup_mbstowcs(str);
1205 g_return_val_if_fail(wcs != NULL, FALSE);
1207 pos = textview->cur_pos;
1208 text_len = gtk_stext_get_length(text);
1209 if (text_len - textview->body_pos < len) {
1213 if (pos <= textview->body_pos || text_len - pos < len)
1214 pos = text_len - len;
1216 for (; pos >= textview->body_pos; pos--) {
1217 if (gtkut_stext_match_string(text, pos, wcs, len, case_sens)
1219 gtk_editable_set_position(GTK_EDITABLE(text), pos);
1220 gtk_editable_select_region(GTK_EDITABLE(text),
1222 textview_set_position(textview, pos - 1);
1226 if (pos == textview->body_pos) break;
1233 void textview_scroll_one_line(TextView *textview, gboolean up)
1235 GtkSText *text = GTK_STEXT(textview->text);
1238 if (prefs_common.enable_smooth_scroll) {
1239 textview_smooth_scroll_one_line(textview, up);
1244 upper = text->vadj->upper - text->vadj->page_size;
1245 if (text->vadj->value < upper) {
1246 text->vadj->value +=
1247 text->vadj->step_increment * 4;
1249 MIN(text->vadj->value, upper);
1250 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1254 if (text->vadj->value > 0.0) {
1255 text->vadj->value -=
1256 text->vadj->step_increment * 4;
1258 MAX(text->vadj->value, 0.0);
1259 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1265 gboolean textview_scroll_page(TextView *textview, gboolean up)
1267 GtkSText *text = GTK_STEXT(textview->text);
1271 if (prefs_common.enable_smooth_scroll)
1272 return textview_smooth_scroll_page(textview, up);
1274 if (prefs_common.scroll_halfpage)
1275 page_incr = text->vadj->page_increment / 2;
1277 page_incr = text->vadj->page_increment;
1280 upper = text->vadj->upper - text->vadj->page_size;
1281 if (text->vadj->value < upper) {
1282 text->vadj->value += page_incr;
1283 text->vadj->value = MIN(text->vadj->value, upper);
1284 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1289 if (text->vadj->value > 0.0) {
1290 text->vadj->value -= page_incr;
1291 text->vadj->value = MAX(text->vadj->value, 0.0);
1292 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1301 static void textview_smooth_scroll_do(TextView *textview,
1302 gfloat old_value, gfloat last_value,
1305 GtkSText *text = GTK_STEXT(textview->text);
1310 if (old_value < last_value) {
1311 change_value = last_value - old_value;
1314 change_value = old_value - last_value;
1318 gdk_key_repeat_disable();
1320 for (i = step; i <= change_value; i += step) {
1321 text->vadj->value = old_value + (up ? -i : i);
1322 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1326 text->vadj->value = last_value;
1327 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1329 gdk_key_repeat_restore();
1332 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1334 GtkSText *text = GTK_STEXT(textview->text);
1340 upper = text->vadj->upper - text->vadj->page_size;
1341 if (text->vadj->value < upper) {
1342 old_value = text->vadj->value;
1343 last_value = text->vadj->value +
1344 text->vadj->step_increment * 4;
1345 last_value = MIN(last_value, upper);
1347 textview_smooth_scroll_do(textview, old_value,
1349 prefs_common.scroll_step);
1352 if (text->vadj->value > 0.0) {
1353 old_value = text->vadj->value;
1354 last_value = text->vadj->value -
1355 text->vadj->step_increment * 4;
1356 last_value = MAX(last_value, 0.0);
1358 textview_smooth_scroll_do(textview, old_value,
1360 prefs_common.scroll_step);
1365 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1367 GtkSText *text = GTK_STEXT(textview->text);
1373 if (prefs_common.scroll_halfpage)
1374 page_incr = text->vadj->page_increment / 2;
1376 page_incr = text->vadj->page_increment;
1379 upper = text->vadj->upper - text->vadj->page_size;
1380 if (text->vadj->value < upper) {
1381 old_value = text->vadj->value;
1382 last_value = text->vadj->value + page_incr;
1383 last_value = MIN(last_value, upper);
1385 textview_smooth_scroll_do(textview, old_value,
1387 prefs_common.scroll_step);
1391 if (text->vadj->value > 0.0) {
1392 old_value = text->vadj->value;
1393 last_value = text->vadj->value - page_incr;
1394 last_value = MAX(last_value, 0.0);
1396 textview_smooth_scroll_do(textview, old_value,
1398 prefs_common.scroll_step);
1406 static void textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1409 SummaryView *summaryview = NULL;
1412 if (textview->messageview->mainwin)
1413 summaryview = textview->messageview->mainwin->summaryview;
1415 switch (event->keyval) {
1430 summary_pass_key_press_event(summaryview, event);
1432 textview_scroll_page(textview, FALSE);
1435 textview_scroll_page(textview, TRUE);
1438 textview_scroll_one_line(textview,
1439 (event->state & GDK_MOD1_MASK) != 0);
1443 summary_pass_key_press_event(summaryview, event);
1448 static gint textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1452 textview->last_buttonpress = event->type;
1456 static gint textview_button_released(GtkWidget *widget, GdkEventButton *event,
1460 gtk_editable_get_position(GTK_EDITABLE(textview->text));
1463 ((event->button == 1 && textview->last_buttonpress == GDK_2BUTTON_PRESS)
1464 || event->button == 2 || event->button == 3)) {
1467 /* double click seems to set the cursor after the current
1468 * word. The cursor position needs fixing, otherwise the
1469 * last word of a clickable zone will not work */
1470 if (event->button == 1 && textview->last_buttonpress == GDK_2BUTTON_PRESS) {
1471 textview->cur_pos--;
1474 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1475 RemoteURI *uri = (RemoteURI *)cur->data;
1477 if (textview->cur_pos >= uri->start &&
1478 textview->cur_pos < uri->end) {
1479 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1480 if (event->button == 3) {
1481 gchar *fromname, *fromaddress;
1482 GdkEventButton tmpev;
1485 fromaddress = g_strdup(uri->uri + 7);
1486 /* Hiroyuki: please put this function in utils.c! */
1487 fromname = procheader_get_fromname(fromaddress);
1488 extract_address(fromaddress);
1489 g_message("adding from textview %s <%s>", fromname, fromaddress);
1490 /* Add to address book - Match */
1491 addressbook_add_contact( fromname, fromaddress, NULL );
1493 g_free(fromaddress);
1496 PrefsAccount *account = NULL;
1497 FolderItem *folder_item;
1499 if (textview->messageview && textview->messageview->mainwin
1500 && textview->messageview->mainwin->summaryview
1501 && textview->messageview->mainwin->summaryview->folder_item) {
1502 folder_item = textview->messageview->mainwin->summaryview->folder_item;
1503 if (folder_item->prefs && folder_item->prefs->enable_default_account)
1504 account = account_find_from_id(folder_item->prefs->default_account);
1506 compose_new_with_recipient
1507 (account, uri->uri + 7);
1511 prefs_common.uri_cmd);
1517 textview->last_buttonpress = event->type;
1521 static void textview_uri_list_remove_all(GSList *uri_list)
1525 for (cur = uri_list; cur != NULL; cur = cur->next) {
1527 g_free(((RemoteURI *)cur->data)->uri);
1532 g_slist_free(uri_list);