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"
49 #include "addressbook.h"
50 #include "displayheader.h"
52 #define FONT_LOAD(font, s) \
56 Xstrdup_a(fontstr, s, ); \
57 if ((p = strchr(fontstr, ',')) != NULL) *p = '\0'; \
58 font = gdk_font_load(fontstr); \
61 typedef struct _RemoteURI RemoteURI;
71 static GdkColor quote_colors[3] = {
72 {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
73 {(gulong)0, (gushort)0, (gushort)0, (gushort)0},
74 {(gulong)0, (gushort)0, (gushort)0, (gushort)0}
77 static GdkColor uri_color = {
84 static GdkColor emphasis_color = {
91 static GdkColor error_color = {
98 static GdkFont *spacingfont;
100 static void textview_show_html (TextView *textview,
102 CodeConverter *conv);
103 static void textview_write_line (TextView *textview,
105 CodeConverter *conv);
106 static GPtrArray *textview_scan_header (TextView *textview,
108 static void textview_show_header (TextView *textview,
111 static void textview_key_pressed (GtkWidget *widget,
114 static void textview_button_pressed (GtkWidget *widget,
115 GdkEventButton *event,
118 static void textview_uri_list_remove_all(GSList *uri_list);
120 static void textview_smooth_scroll_do (TextView *textview,
124 static void textview_smooth_scroll_one_line (TextView *textview,
126 static gboolean textview_smooth_scroll_page (TextView *textview,
130 TextView *textview_create(void)
134 GtkWidget *scrolledwin_sb;
135 GtkWidget *scrolledwin_mb;
139 debug_print(_("Creating text view...\n"));
140 textview = g_new0(TextView, 1);
142 scrolledwin_sb = gtk_scrolled_window_new(NULL, NULL);
143 scrolledwin_mb = gtk_scrolled_window_new(NULL, NULL);
144 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_sb),
145 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
146 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_mb),
147 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
148 gtk_widget_set_usize(scrolledwin_sb, prefs_common.mainview_width, -1);
149 gtk_widget_set_usize(scrolledwin_mb, prefs_common.mainview_width, -1);
151 /* create GtkText widgets for single-byte and multi-byte character */
152 text_sb = gtk_text_new(NULL, NULL);
153 text_mb = gtk_text_new(NULL, NULL);
154 GTK_TEXT(text_sb)->default_tab_width = 8;
155 GTK_TEXT(text_mb)->default_tab_width = 8;
156 gtk_widget_show(text_sb);
157 gtk_widget_show(text_mb);
158 gtk_text_set_word_wrap(GTK_TEXT(text_sb), TRUE);
159 gtk_text_set_word_wrap(GTK_TEXT(text_mb), TRUE);
160 gtk_widget_ensure_style(text_sb);
161 gtk_widget_ensure_style(text_mb);
162 if (text_sb->style && text_sb->style->font->type == GDK_FONT_FONTSET) {
165 style = gtk_style_copy(text_sb->style);
166 gdk_font_unref(style->font);
167 FONT_LOAD(style->font, NORMAL_FONT);
168 gtk_widget_set_style(text_sb, style);
170 if (text_mb->style && text_mb->style->font->type == GDK_FONT_FONT) {
173 style = gtk_style_copy(text_mb->style);
174 gdk_font_unref(style->font);
175 style->font = gdk_fontset_load(NORMAL_FONT);
176 gtk_widget_set_style(text_mb, style);
178 gtk_widget_ref(scrolledwin_sb);
179 gtk_widget_ref(scrolledwin_mb);
181 gtk_container_add(GTK_CONTAINER(scrolledwin_sb), text_sb);
182 gtk_container_add(GTK_CONTAINER(scrolledwin_mb), text_mb);
183 gtk_signal_connect(GTK_OBJECT(text_sb), "key_press_event",
184 GTK_SIGNAL_FUNC(textview_key_pressed),
186 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_press_event",
187 GTK_SIGNAL_FUNC(textview_button_pressed),
189 gtk_signal_connect(GTK_OBJECT(text_mb), "key_press_event",
190 GTK_SIGNAL_FUNC(textview_key_pressed),
192 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_press_event",
193 GTK_SIGNAL_FUNC(textview_button_pressed),
196 gtk_widget_show(scrolledwin_sb);
197 gtk_widget_show(scrolledwin_mb);
199 vbox = gtk_vbox_new(FALSE, 0);
200 gtk_box_pack_start(GTK_BOX(vbox), scrolledwin_sb, TRUE, TRUE, 0);
202 textview->vbox = vbox;
203 textview->scrolledwin = scrolledwin_sb;
204 textview->scrolledwin_sb = scrolledwin_sb;
205 textview->scrolledwin_mb = scrolledwin_mb;
206 textview->text = text_sb;
207 textview->text_sb = text_sb;
208 textview->text_mb = text_mb;
209 textview->text_is_mb = FALSE;
210 textview->uri_list = NULL;
211 textview->body_pos = 0;
212 textview->cur_pos = 0;
217 void textview_init(TextView *textview)
219 gtkut_widget_disable_theme_engine(textview->text_sb);
220 gtkut_widget_disable_theme_engine(textview->text_mb);
221 textview_update_message_colors();
222 textview_set_font(textview, NULL);
225 void textview_update_message_colors(void)
227 GdkColor black = {0, 0, 0, 0};
229 if (prefs_common.enable_color) {
230 /* grab the quote colors, converting from an int to a GdkColor */
231 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
233 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
235 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
237 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
240 quote_colors[0] = quote_colors[1] = quote_colors[2] =
241 uri_color = emphasis_color = black;
245 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
250 if ((fp = fopen(file, "r")) == NULL) {
251 FILE_OP_ERROR(file, "fopen");
255 textview_show_part(textview, mimeinfo, fp);
260 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
264 const gchar *boundary = NULL;
265 gint boundary_len = 0;
266 const gchar *charset = NULL;
268 GPtrArray *headers = NULL;
271 g_return_if_fail(mimeinfo != NULL);
272 g_return_if_fail(fp != NULL);
274 if (mimeinfo->mime_type == MIME_MULTIPART) {
276 mimeinfo = mimeinfo->sub;
277 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) {
284 if (mimeinfo->parent && mimeinfo->parent->boundary) {
285 boundary = mimeinfo->parent->boundary;
286 boundary_len = strlen(boundary);
289 if (!boundary && mimeinfo->mime_type == MIME_TEXT) {
290 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
292 headers = textview_scan_header(textview, fp);
294 if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) {
297 if ((fpos = ftell(fp)) < 0)
299 else if (fseek(fp, mimeinfo->parent->fpos, SEEK_SET)
303 headers = textview_scan_header(textview, fp);
304 if (fseek(fp, fpos, SEEK_SET) < 0)
308 while (fgets(buf, sizeof(buf), fp) != NULL)
309 if (buf[0] == '\r' || buf[0] == '\n') break;
312 /* display attached RFC822 single text message */
313 if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
314 if (headers) procheader_header_array_destroy(headers);
315 if (!mimeinfo->sub || mimeinfo->sub->children) return;
316 headers = textview_scan_header(textview, fp);
317 mimeinfo = mimeinfo->sub;
318 } else if (!mimeinfo->parent &&
319 mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
320 if (headers) procheader_header_array_destroy(headers);
321 if (!mimeinfo->sub) return;
322 headers = textview_scan_header(textview, fp);
323 mimeinfo = mimeinfo->sub;
326 if (prefs_common.force_charset)
327 charset = prefs_common.force_charset;
328 else if (mimeinfo->charset)
329 charset = mimeinfo->charset;
330 textview_set_font(textview, charset);
332 conv = conv_code_converter_new(charset);
334 textview_clear(textview);
335 text = GTK_TEXT(textview->text);
336 gtk_text_freeze(text);
338 textview->body_pos = 0;
339 textview->cur_pos = 0;
342 textview_show_header(textview, headers);
343 procheader_header_array_destroy(headers);
346 tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
348 if (mimeinfo->mime_type == MIME_TEXT_HTML)
349 textview_show_html(textview, tmpfp, conv);
351 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
352 textview_write_line(textview, buf, conv);
356 conv_code_converter_destroy(conv);
361 #define TEXT_INSERT(str) \
362 gtk_text_insert(text, textview->msgfont, NULL, NULL, str, -1)
364 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
368 if (!partinfo) return;
370 textview_set_font(textview, NULL);
371 text = GTK_TEXT(textview->text);
372 textview_clear(textview);
374 gtk_text_freeze(text);
376 TEXT_INSERT(_("To save this part, pop up the context menu with "));
377 TEXT_INSERT(_("right click and select `Save as...', "));
378 TEXT_INSERT(_("or press `y' key.\n\n"));
380 TEXT_INSERT(_("To display this part as a text message, select "));
381 TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
383 TEXT_INSERT(_("To open this part with external program, select "));
384 TEXT_INSERT(_("`Open' or `Open with...', "));
385 TEXT_INSERT(_("or double-click, or click the center button, "));
386 TEXT_INSERT(_("or press `l' key."));
392 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
396 if (!partinfo) return;
398 textview_set_font(textview, NULL);
399 text = GTK_TEXT(textview->text);
400 textview_clear(textview);
402 gtk_text_freeze(text);
404 if (partinfo->sigstatus_full == NULL) {
405 TEXT_INSERT(_("This signature has not been checked yet.\n"));
406 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
407 TEXT_INSERT(_("right click and select `Check signature'.\n"));
409 TEXT_INSERT(partinfo->sigstatus_full);
414 #endif /* USE_GPGME */
418 static void textview_show_html(TextView *textview, FILE *fp,
424 parser = html_parser_new(fp, conv);
425 g_return_if_fail(parser != NULL);
427 while ((str = html_parse(parser)) != NULL) {
428 textview_write_line(textview, str, NULL);
430 html_parser_destroy(parser);
433 /* get_uri_part() - retrieves a URI starting from scanpos.
434 Returns TRUE if succesful */
435 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
436 const gchar **bp, const gchar **ep)
440 g_return_val_if_fail(start != NULL, FALSE);
441 g_return_val_if_fail(scanpos != NULL, FALSE);
442 g_return_val_if_fail(bp != NULL, FALSE);
443 g_return_val_if_fail(ep != NULL, FALSE);
447 /* find end point of URI */
448 for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
449 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
453 /* no punctuation at end of string */
455 /* FIXME: this stripping of trailing punctuations may bite with other URIs.
456 * should pass some URI type to this function and decide on that whether
457 * to perform punctuation stripping */
459 #define IS_REAL_PUNCT(ch) \
460 (ispunct(ch) && ((ch) != '/'))
462 for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
472 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
474 return g_strndup(bp, ep - bp);
477 /* valid mail address characters */
478 #define IS_RFC822_CHAR(ch) \
483 !strchr("()<>\"", (ch)))
485 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
487 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
488 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
489 const gchar **bp, const gchar **ep)
491 /* more complex than the uri part because we need to scan back and forward starting from
492 * the scan position. */
493 gboolean result = FALSE;
494 const gchar *bp_ = NULL;
495 const gchar *ep_ = NULL;
497 /* the informative part of the email address (describing the name
498 * of the email address owner) may contain quoted parts. the
499 * closure stack stores the last encountered quotes. */
500 gchar closure_stack[128];
501 gchar *ptr = closure_stack;
503 g_return_val_if_fail(start != NULL, FALSE);
504 g_return_val_if_fail(scanpos != NULL, FALSE);
505 g_return_val_if_fail(bp != NULL, FALSE);
506 g_return_val_if_fail(ep != NULL, FALSE);
508 /* scan start of address */
509 for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
512 /* TODO: should start with an alnum? */
514 for (; bp_ < scanpos && !isalnum(*bp_); bp_++)
517 if (bp_ != scanpos) {
518 /* scan end of address */
519 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
522 /* TODO: really should terminate with an alnum? */
523 for (; ep_ > scanpos && !isalnum(*ep_); --ep_)
527 if (ep_ > scanpos + 1) {
534 if (!result) return FALSE;
536 /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
537 if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
540 /* see if this is <bracketed>; in this case we also scan for the informative part. */
541 if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
544 #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
545 #define IN_STACK() (ptr > closure_stack)
546 /* has underrun check */
547 #define POP_STACK() if(IN_STACK()) --ptr
548 /* has overrun check */
549 #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE
550 /* has underrun check */
551 #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0)
555 /* scan for the informative part. */
556 for (bp_ -= 2; bp_ >= start; bp_--) {
557 /* if closure on the stack keep scanning */
558 if (PEEK_STACK() == *bp_) {
562 if (*bp_ == '\'' || *bp_ == '"') {
567 /* if nothing in the closure stack, do the special conditions
568 * the following if..else expression simply checks whether
569 * a token is acceptable. if not acceptable, the clause
570 * should terminate the loop with a 'break' */
573 && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
574 && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) {
575 /* hyphens are allowed, but only in
577 } else if (!ispunct(*bp_)) {
578 /* but anything not being a punctiation
581 break; /* anything else is rejected */
594 /* scan forward (should start with an alnum) */
595 for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
605 #undef IS_RFC822_CHAR
607 static gchar *make_email_string(const gchar *bp, const gchar *ep)
609 /* returns a mailto: URI; mailto: is also used to detect the
610 * uri type later on in the button_pressed signal handler */
614 tmp = g_strndup(bp, ep - bp);
615 result = g_strconcat("mailto:", tmp, NULL);
621 #define ADD_TXT_POS(bp_, ep_, pti_) \
622 if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
624 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
627 g_warning("alloc error scanning URIs\n"); \
628 gtk_text_insert(text, textview->msgfont, fg_color, NULL, \
633 /* textview_make_clickable_parts() - colorizes clickable parts */
634 static void textview_make_clickable_parts(TextView *textview,
638 const gchar *linebuf)
640 /* parse table - in order of priority */
642 const gchar *needle; /* token */
644 /* token search function */
645 gchar *(*search) (const gchar *haystack,
646 const gchar *needle);
647 /* part parsing function */
648 gboolean (*parse) (const gchar *start,
649 const gchar *scanpos,
652 /* part to URI function */
653 gchar *(*build_uri) (const gchar *bp,
657 static struct table parser[] = {
658 {"http://", strcasestr, get_uri_part, make_uri_string},
659 {"https://", strcasestr, get_uri_part, make_uri_string},
660 {"ftp://", strcasestr, get_uri_part, make_uri_string},
661 {"mailto:", strcasestr, get_uri_part, make_uri_string},
662 {"@", strcasestr, get_email_part, make_email_string}
664 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
667 const gchar *walk, *bp, *ep;
670 const gchar *bp, *ep; /* text position */
671 gint pti; /* index in parse table */
672 struct txtpos *next; /* next */
673 } head = {NULL, NULL, 0, NULL}, *last = &head;
675 GtkText *text = GTK_TEXT(textview->text);
677 /* parse for clickable parts, and build a list of begin and end positions */
678 for (walk = linebuf, n = 0;;) {
679 gint last_index = PARSE_ELEMS;
680 gchar *scanpos = NULL;
682 /* FIXME: this looks phony. scanning for anything in the parse table */
683 for (n = 0; n < PARSE_ELEMS; n++) {
686 tmp = parser[n].search(walk, parser[n].needle);
688 if (scanpos == NULL || tmp < scanpos) {
696 /* check if URI can be parsed */
697 if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
698 && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
699 ADD_TXT_POS(bp, ep, last_index);
703 strlen(parser[last_index].needle);
708 /* colorize this line */
710 const gchar *normal_text = linebuf;
713 for (last = head.next; last != NULL;
714 normal_text = last->ep, last = last->next) {
717 uri = g_new(RemoteURI, 1);
718 if (last->bp - normal_text > 0)
719 gtk_text_insert(text, font,
722 last->bp - normal_text);
723 uri->uri = parser[last->pti].build_uri(last->bp,
725 uri->start = gtk_text_get_point(text);
726 gtk_text_insert(text, font, uri_color,
727 NULL, last->bp, last->ep - last->bp);
728 uri->end = gtk_text_get_point(text);
730 g_slist_append(textview->uri_list, uri);
734 gtk_text_insert(text, font, fg_color,
735 NULL, normal_text, -1);
737 gtk_text_insert(text, font, fg_color, NULL, linebuf, -1);
742 static void textview_write_line(TextView *textview, const gchar *str,
745 GtkText *text = GTK_TEXT(textview->text);
749 gint quotelevel = -1;
752 strncpy2(buf, str, sizeof(buf));
753 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
754 gtk_text_insert(text, textview->msgfont,
755 prefs_common.enable_color
756 ? &error_color : NULL, NULL,
757 "*** Warning: code conversion failed ***\n",
763 if (len > 1 && buf[len - 1] == '\n' && buf[len - 2] == '\r') {
767 if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
770 /* change color of quotation
771 >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
772 Up to 3 levels of quotations are detected, and each
773 level is colored using a different color. */
774 if (prefs_common.enable_color && strchr(buf, '>')) {
775 quotelevel = get_quote_level(buf);
777 /* set up the correct foreground color */
778 if (quotelevel > 2) {
780 if (prefs_common.recycle_quote_colors)
787 if (quotelevel == -1)
790 fg_color = "e_colors[quotelevel];
792 if (prefs_common.head_space && spacingfont && buf[0] != '\n')
793 gtk_text_insert(text, spacingfont, NULL, NULL, " ", 1);
795 if (prefs_common.enable_color)
796 textview_make_clickable_parts(textview, textview->msgfont,
797 fg_color, &uri_color, buf);
799 textview_make_clickable_parts(textview, textview->msgfont,
800 fg_color, NULL, buf);
803 void textview_clear(TextView *textview)
805 GtkText *text = GTK_TEXT(textview->text);
807 gtk_text_freeze(text);
808 gtk_text_set_point(text, 0);
809 gtk_text_forward_delete(text, gtk_text_get_length(text));
812 textview_uri_list_remove_all(textview->uri_list);
813 textview->uri_list = NULL;
816 void textview_destroy(TextView *textview)
818 textview_uri_list_remove_all(textview->uri_list);
819 textview->uri_list = NULL;
821 if (!textview->scrolledwin_sb->parent)
822 gtk_widget_destroy(textview->scrolledwin_sb);
823 if (!textview->scrolledwin_mb->parent)
824 gtk_widget_destroy(textview->scrolledwin_mb);
826 if (textview->msgfont) {
827 textview->msgfont->ascent = textview->prev_ascent;
828 textview->msgfont->descent = textview->prev_descent;
829 gdk_font_unref(textview->msgfont);
831 if (textview->boldfont)
832 gdk_font_unref(textview->boldfont);
837 void textview_set_font(TextView *textview, const gchar *codeset)
839 gboolean use_fontset = TRUE;
841 /* In multi-byte mode, GtkText can't display 8bit characters
842 correctly, so it must be single-byte mode. */
843 if (MB_CUR_MAX > 1) {
845 if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
846 !g_strncasecmp(codeset, "KOI8-", 5) ||
847 !g_strncasecmp(codeset, "CP", 2) ||
848 !g_strncasecmp(codeset, "WINDOWS-", 8) ||
849 !g_strcasecmp(codeset, "BALTIC"))
855 if (textview->text_is_mb && !use_fontset) {
858 parent = textview->scrolledwin_mb->parent;
859 gtk_editable_select_region
860 (GTK_EDITABLE(textview->text_mb), 0, 0);
861 gtk_container_remove(GTK_CONTAINER(parent),
862 textview->scrolledwin_mb);
863 gtk_container_add(GTK_CONTAINER(parent),
864 textview->scrolledwin_sb);
866 textview->text = textview->text_sb;
867 textview->text_is_mb = FALSE;
868 } else if (!textview->text_is_mb && use_fontset) {
871 parent = textview->scrolledwin_sb->parent;
872 gtk_editable_select_region
873 (GTK_EDITABLE(textview->text_sb), 0, 0);
874 gtk_container_remove(GTK_CONTAINER(parent),
875 textview->scrolledwin_sb);
876 gtk_container_add(GTK_CONTAINER(parent),
877 textview->scrolledwin_mb);
879 textview->text = textview->text_mb;
880 textview->text_is_mb = TRUE;
883 if (prefs_common.textfont) {
884 if (textview->msgfont) {
885 textview->msgfont->ascent = textview->prev_ascent;
886 textview->msgfont->descent = textview->prev_descent;
887 gdk_font_unref(textview->msgfont);
888 textview->msgfont = NULL;
892 gdk_fontset_load(prefs_common.textfont);
894 if (MB_CUR_MAX > 1) {
895 FONT_LOAD(textview->msgfont,
896 "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
898 FONT_LOAD(textview->msgfont,
899 prefs_common.textfont);
903 if (textview->msgfont) {
904 gint ascent, descent;
906 textview->prev_ascent = textview->msgfont->ascent;
907 textview->prev_descent = textview->msgfont->descent;
908 descent = prefs_common.line_space / 2;
909 ascent = prefs_common.line_space - descent;
910 textview->msgfont->ascent += ascent;
911 textview->msgfont->descent += descent;
915 if (!textview->boldfont)
916 FONT_LOAD(textview->boldfont, BOLD_FONT);
918 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
937 void textview_set_position(TextView *textview, gint pos)
941 gtk_text_get_length(GTK_TEXT(textview->text));
943 textview->cur_pos = pos;
947 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
950 GPtrArray *headers, *sorted_headers;
951 GSList *disphdr_list;
955 g_return_val_if_fail(fp != NULL, NULL);
957 if (!prefs_common.display_header) {
958 while (fgets(buf, sizeof(buf), fp) != NULL)
959 if (buf[0] == '\r' || buf[0] == '\n') break;
963 headers = procheader_get_header_array_asis(fp);
965 sorted_headers = g_ptr_array_new();
967 for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
968 disphdr_list = disphdr_list->next) {
969 DisplayHeaderProp *dp =
970 (DisplayHeaderProp *)disphdr_list->data;
972 for (i = 0; i < headers->len; i++) {
973 header = g_ptr_array_index(headers, i);
975 if (procheader_headername_equal(header->name,
978 procheader_header_free(header);
980 g_ptr_array_add(sorted_headers, header);
982 g_ptr_array_remove_index(headers, i);
988 if (prefs_common.show_other_header) {
989 for (i = 0; i < headers->len; i++) {
990 header = g_ptr_array_index(headers, i);
991 g_ptr_array_add(sorted_headers, header);
995 g_ptr_array_free(headers, FALSE);
997 return sorted_headers;
1000 static void textview_show_header(TextView *textview, GPtrArray *headers)
1002 GtkText *text = GTK_TEXT(textview->text);
1006 g_return_if_fail(headers != NULL);
1008 gtk_text_freeze(text);
1010 for (i = 0; i < headers->len; i++) {
1011 header = g_ptr_array_index(headers, i);
1012 g_return_if_fail(header->name != NULL);
1014 gtk_text_insert(text, textview->boldfont, NULL, NULL,
1016 if (header->name[strlen(header->name) - 1] != ' ')
1017 gtk_text_insert(text, textview->boldfont,
1018 NULL, NULL, " ", 1);
1020 if (procheader_headername_equal(header->name, "Subject") ||
1021 procheader_headername_equal(header->name, "From") ||
1022 procheader_headername_equal(header->name, "To") ||
1023 procheader_headername_equal(header->name, "Cc"))
1024 unfold_line(header->body);
1026 if (prefs_common.enable_color &&
1027 (procheader_headername_equal(header->name, "X-Mailer") ||
1028 procheader_headername_equal(header->name,
1030 strstr(header->body, "Sylpheed") != NULL)
1031 gtk_text_insert(text, NULL, &emphasis_color, NULL,
1033 else if (prefs_common.enable_color) {
1034 textview_make_clickable_parts(textview,
1035 NULL, NULL, &uri_color,
1038 textview_make_clickable_parts(textview,
1042 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1045 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1046 gtk_text_thaw(text);
1047 textview->body_pos = gtk_text_get_length(text);
1050 gboolean textview_search_string(TextView *textview, const gchar *str,
1053 GtkText *text = GTK_TEXT(textview->text);
1058 gboolean found = FALSE;
1060 g_return_val_if_fail(str != NULL, FALSE);
1062 wcs = strdup_mbstowcs(str);
1063 g_return_val_if_fail(wcs != NULL, FALSE);
1065 pos = textview->cur_pos;
1066 if (pos < textview->body_pos)
1067 pos = textview->body_pos;
1068 text_len = gtk_text_get_length(text);
1069 if (text_len - pos < len) {
1074 for (; pos < text_len; pos++) {
1075 if (text_len - pos < len) break;
1076 if (gtkut_text_match_string(text, pos, wcs, len, case_sens)
1078 gtk_editable_set_position(GTK_EDITABLE(text),
1080 gtk_editable_select_region(GTK_EDITABLE(text),
1082 textview_set_position(textview, pos + len);
1086 if (text_len - pos == len) break;
1093 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1096 GtkText *text = GTK_TEXT(textview->text);
1101 gboolean found = FALSE;
1103 g_return_val_if_fail(str != NULL, FALSE);
1105 wcs = strdup_mbstowcs(str);
1106 g_return_val_if_fail(wcs != NULL, FALSE);
1108 pos = textview->cur_pos;
1109 text_len = gtk_text_get_length(text);
1110 if (text_len - textview->body_pos < len) {
1114 if (pos <= textview->body_pos || text_len - pos < len)
1115 pos = text_len - len;
1117 for (; pos >= textview->body_pos; pos--) {
1118 if (gtkut_text_match_string(text, pos, wcs, len, case_sens)
1120 gtk_editable_set_position(GTK_EDITABLE(text), pos);
1121 gtk_editable_select_region(GTK_EDITABLE(text),
1123 textview_set_position(textview, pos - 1);
1127 if (pos == textview->body_pos) break;
1134 void textview_scroll_one_line(TextView *textview, gboolean up)
1136 GtkText *text = GTK_TEXT(textview->text);
1139 if (prefs_common.enable_smooth_scroll) {
1140 textview_smooth_scroll_one_line(textview, up);
1145 upper = text->vadj->upper - text->vadj->page_size;
1146 if (text->vadj->value < upper) {
1147 text->vadj->value +=
1148 text->vadj->step_increment * 4;
1150 MIN(text->vadj->value, upper);
1151 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1155 if (text->vadj->value > 0.0) {
1156 text->vadj->value -=
1157 text->vadj->step_increment * 4;
1159 MAX(text->vadj->value, 0.0);
1160 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1166 gboolean textview_scroll_page(TextView *textview, gboolean up)
1168 GtkText *text = GTK_TEXT(textview->text);
1172 if (prefs_common.enable_smooth_scroll)
1173 return textview_smooth_scroll_page(textview, up);
1175 if (prefs_common.scroll_halfpage)
1176 page_incr = text->vadj->page_increment / 2;
1178 page_incr = text->vadj->page_increment;
1181 upper = text->vadj->upper - text->vadj->page_size;
1182 if (text->vadj->value < upper) {
1183 text->vadj->value += page_incr;
1184 text->vadj->value = MIN(text->vadj->value, upper);
1185 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1190 if (text->vadj->value > 0.0) {
1191 text->vadj->value -= page_incr;
1192 text->vadj->value = MAX(text->vadj->value, 0.0);
1193 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1202 static void textview_smooth_scroll_do(TextView *textview,
1203 gfloat old_value, gfloat last_value,
1206 GtkText *text = GTK_TEXT(textview->text);
1211 if (old_value < last_value) {
1212 change_value = last_value - old_value;
1215 change_value = old_value - last_value;
1219 gdk_key_repeat_disable();
1221 for (i = step; i <= change_value; i += step) {
1222 text->vadj->value = old_value + (up ? -i : i);
1223 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1227 text->vadj->value = last_value;
1228 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1230 gdk_key_repeat_restore();
1233 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1235 GtkText *text = GTK_TEXT(textview->text);
1241 upper = text->vadj->upper - text->vadj->page_size;
1242 if (text->vadj->value < upper) {
1243 old_value = text->vadj->value;
1244 last_value = text->vadj->value +
1245 text->vadj->step_increment * 4;
1246 last_value = MIN(last_value, upper);
1248 textview_smooth_scroll_do(textview, old_value,
1250 prefs_common.scroll_step);
1253 if (text->vadj->value > 0.0) {
1254 old_value = text->vadj->value;
1255 last_value = text->vadj->value -
1256 text->vadj->step_increment * 4;
1257 last_value = MAX(last_value, 0.0);
1259 textview_smooth_scroll_do(textview, old_value,
1261 prefs_common.scroll_step);
1266 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1268 GtkText *text = GTK_TEXT(textview->text);
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 old_value = text->vadj->value;
1283 last_value = text->vadj->value + page_incr;
1284 last_value = MIN(last_value, upper);
1286 textview_smooth_scroll_do(textview, old_value,
1288 prefs_common.scroll_step);
1292 if (text->vadj->value > 0.0) {
1293 old_value = text->vadj->value;
1294 last_value = text->vadj->value - page_incr;
1295 last_value = MAX(last_value, 0.0);
1297 textview_smooth_scroll_do(textview, old_value,
1299 prefs_common.scroll_step);
1307 static void textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1310 SummaryView *summaryview = NULL;
1313 if (textview->messageview->mainwin)
1314 summaryview = textview->messageview->mainwin->summaryview;
1316 switch (event->keyval) {
1331 summary_pass_key_press_event(summaryview, event);
1333 textview_scroll_page(textview, FALSE);
1337 textview_scroll_page(textview, TRUE);
1340 textview_scroll_one_line(textview,
1341 (event->state & GDK_MOD1_MASK) != 0);
1345 summary_pass_key_press_event(summaryview, event);
1350 static void textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1354 gtk_editable_get_position(GTK_EDITABLE(textview->text));
1357 ((event->button == 1 && event->type == GDK_2BUTTON_PRESS)
1358 || event->button == 2 || event->button == 3)) {
1361 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1362 RemoteURI *uri = (RemoteURI *)cur->data;
1364 if (textview->cur_pos >= uri->start &&
1365 textview->cur_pos < uri->end) {
1366 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1367 if (event->button == 3) {
1368 gchar *fromname, *fromaddress;
1370 fromaddress = g_strdup(uri->uri + 7);
1371 /* Hiroyuki: please put this function in utils.c! */
1372 fromname = procheader_get_fromname(fromaddress);
1373 extract_address(fromaddress);
1374 g_message("adding from textview %s <%s>", fromname, fromaddress);
1375 // Add to address book - Match
1376 addressbook_add_contact( fromname, fromaddress, NULL );
1377 g_free(fromaddress);
1380 compose_new_with_recipient
1381 (NULL, uri->uri + 7);
1385 prefs_common.uri_cmd);
1392 static void textview_uri_list_remove_all(GSList *uri_list)
1396 for (cur = uri_list; cur != NULL; cur = cur->next) {
1398 g_free(((RemoteURI *)cur->data)->uri);
1403 g_slist_free(uri_list);