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 void textview_write_link (TextView *textview,
109 CodeConverter *conv);
110 static GPtrArray *textview_scan_header (TextView *textview,
112 static void textview_show_header (TextView *textview,
115 static void textview_key_pressed (GtkWidget *widget,
118 static void textview_button_pressed (GtkWidget *widget,
119 GdkEventButton *event,
122 static void textview_uri_list_remove_all(GSList *uri_list);
124 static void textview_smooth_scroll_do (TextView *textview,
128 static void textview_smooth_scroll_one_line (TextView *textview,
130 static gboolean textview_smooth_scroll_page (TextView *textview,
134 TextView *textview_create(void)
138 GtkWidget *scrolledwin_sb;
139 GtkWidget *scrolledwin_mb;
143 debug_print(_("Creating text view...\n"));
144 textview = g_new0(TextView, 1);
146 scrolledwin_sb = gtk_scrolled_window_new(NULL, NULL);
147 scrolledwin_mb = gtk_scrolled_window_new(NULL, NULL);
148 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_sb),
149 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
150 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_mb),
151 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
152 gtk_widget_set_usize(scrolledwin_sb, prefs_common.mainview_width, -1);
153 gtk_widget_set_usize(scrolledwin_mb, prefs_common.mainview_width, -1);
155 /* create GtkText widgets for single-byte and multi-byte character */
156 text_sb = gtk_text_new(NULL, NULL);
157 text_mb = gtk_text_new(NULL, NULL);
158 GTK_TEXT(text_sb)->default_tab_width = 8;
159 GTK_TEXT(text_mb)->default_tab_width = 8;
160 gtk_widget_show(text_sb);
161 gtk_widget_show(text_mb);
162 gtk_text_set_word_wrap(GTK_TEXT(text_sb), TRUE);
163 gtk_text_set_word_wrap(GTK_TEXT(text_mb), TRUE);
164 gtk_widget_ensure_style(text_sb);
165 gtk_widget_ensure_style(text_mb);
166 if (text_sb->style && text_sb->style->font->type == GDK_FONT_FONTSET) {
169 style = gtk_style_copy(text_sb->style);
170 gdk_font_unref(style->font);
171 FONT_LOAD(style->font, NORMAL_FONT);
172 gtk_widget_set_style(text_sb, style);
174 if (text_mb->style && text_mb->style->font->type == GDK_FONT_FONT) {
177 style = gtk_style_copy(text_mb->style);
178 gdk_font_unref(style->font);
179 style->font = gdk_fontset_load(NORMAL_FONT);
180 gtk_widget_set_style(text_mb, style);
182 gtk_widget_ref(scrolledwin_sb);
183 gtk_widget_ref(scrolledwin_mb);
185 gtk_container_add(GTK_CONTAINER(scrolledwin_sb), text_sb);
186 gtk_container_add(GTK_CONTAINER(scrolledwin_mb), text_mb);
187 gtk_signal_connect(GTK_OBJECT(text_sb), "key_press_event",
188 GTK_SIGNAL_FUNC(textview_key_pressed),
190 gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_press_event",
191 GTK_SIGNAL_FUNC(textview_button_pressed),
193 gtk_signal_connect(GTK_OBJECT(text_mb), "key_press_event",
194 GTK_SIGNAL_FUNC(textview_key_pressed),
196 gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_press_event",
197 GTK_SIGNAL_FUNC(textview_button_pressed),
200 gtk_widget_show(scrolledwin_sb);
201 gtk_widget_show(scrolledwin_mb);
203 vbox = gtk_vbox_new(FALSE, 0);
204 gtk_box_pack_start(GTK_BOX(vbox), scrolledwin_sb, TRUE, TRUE, 0);
206 textview->vbox = vbox;
207 textview->scrolledwin = scrolledwin_sb;
208 textview->scrolledwin_sb = scrolledwin_sb;
209 textview->scrolledwin_mb = scrolledwin_mb;
210 textview->text = text_sb;
211 textview->text_sb = text_sb;
212 textview->text_mb = text_mb;
213 textview->text_is_mb = FALSE;
214 textview->uri_list = NULL;
215 textview->body_pos = 0;
216 textview->cur_pos = 0;
221 void textview_init(TextView *textview)
223 gtkut_widget_disable_theme_engine(textview->text_sb);
224 gtkut_widget_disable_theme_engine(textview->text_mb);
225 textview_update_message_colors();
226 textview_set_font(textview, NULL);
229 void textview_update_message_colors(void)
231 GdkColor black = {0, 0, 0, 0};
233 if (prefs_common.enable_color) {
234 /* grab the quote colors, converting from an int to a GdkColor */
235 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
237 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
239 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
241 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
244 quote_colors[0] = quote_colors[1] = quote_colors[2] =
245 uri_color = emphasis_color = black;
249 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
254 if ((fp = fopen(file, "r")) == NULL) {
255 FILE_OP_ERROR(file, "fopen");
259 textview_show_part(textview, mimeinfo, fp);
264 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
268 const gchar *boundary = NULL;
269 gint boundary_len = 0;
270 const gchar *charset = NULL;
272 GPtrArray *headers = NULL;
275 g_return_if_fail(mimeinfo != NULL);
276 g_return_if_fail(fp != NULL);
278 if (mimeinfo->mime_type == MIME_MULTIPART) {
280 mimeinfo = mimeinfo->sub;
281 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) {
288 if (mimeinfo->parent && mimeinfo->parent->boundary) {
289 boundary = mimeinfo->parent->boundary;
290 boundary_len = strlen(boundary);
293 if (!boundary && mimeinfo->mime_type == MIME_TEXT) {
294 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
296 headers = textview_scan_header(textview, fp);
298 if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) {
300 MimeInfo *parent = mimeinfo->parent;
302 while (parent->parent)
303 parent = parent->parent;
305 if ((fpos = ftell(fp)) < 0)
307 else if (fseek(fp, parent->fpos, SEEK_SET) < 0)
310 headers = textview_scan_header(textview, fp);
311 if (fseek(fp, fpos, SEEK_SET) < 0)
315 while (fgets(buf, sizeof(buf), fp) != NULL)
316 if (buf[0] == '\r' || buf[0] == '\n') break;
319 /* display attached RFC822 single text message */
320 if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
321 if (headers) procheader_header_array_destroy(headers);
322 if (!mimeinfo->sub || mimeinfo->sub->children) return;
323 headers = textview_scan_header(textview, fp);
324 mimeinfo = mimeinfo->sub;
325 } else if (!mimeinfo->parent &&
326 mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
327 if (headers) procheader_header_array_destroy(headers);
328 if (!mimeinfo->sub) return;
329 headers = textview_scan_header(textview, fp);
330 mimeinfo = mimeinfo->sub;
333 if (prefs_common.force_charset)
334 charset = prefs_common.force_charset;
335 else if (mimeinfo->charset)
336 charset = mimeinfo->charset;
337 textview_set_font(textview, charset);
339 conv = conv_code_converter_new(charset);
341 textview_clear(textview);
342 text = GTK_TEXT(textview->text);
343 gtk_text_freeze(text);
345 textview->body_pos = 0;
346 textview->cur_pos = 0;
349 textview_show_header(textview, headers);
350 procheader_header_array_destroy(headers);
353 tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
355 if (mimeinfo->mime_type == MIME_TEXT_HTML)
356 textview_show_html(textview, tmpfp, conv);
358 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
359 textview_write_line(textview, buf, conv);
363 conv_code_converter_destroy(conv);
368 #define TEXT_INSERT(str) \
369 gtk_text_insert(text, textview->msgfont, NULL, NULL, str, -1)
371 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
375 if (!partinfo) return;
377 textview_set_font(textview, NULL);
378 text = GTK_TEXT(textview->text);
379 textview_clear(textview);
381 gtk_text_freeze(text);
383 TEXT_INSERT(_("To save this part, pop up the context menu with "));
384 TEXT_INSERT(_("right click and select `Save as...', "));
385 TEXT_INSERT(_("or press `y' key.\n\n"));
387 TEXT_INSERT(_("To display this part as a text message, select "));
388 TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
390 TEXT_INSERT(_("To open this part with external program, select "));
391 TEXT_INSERT(_("`Open' or `Open with...', "));
392 TEXT_INSERT(_("or double-click, or click the center button, "));
393 TEXT_INSERT(_("or press `l' key."));
399 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
403 if (!partinfo) return;
405 textview_set_font(textview, NULL);
406 text = GTK_TEXT(textview->text);
407 textview_clear(textview);
409 gtk_text_freeze(text);
411 if (partinfo->sigstatus_full == NULL) {
412 TEXT_INSERT(_("This signature has not been checked yet.\n"));
413 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
414 TEXT_INSERT(_("right click and select `Check signature'.\n"));
416 TEXT_INSERT(partinfo->sigstatus_full);
421 #endif /* USE_GPGME */
425 static void textview_show_html(TextView *textview, FILE *fp,
432 parser = html_parser_new(fp, conv);
433 g_return_if_fail(parser != NULL);
435 while ((str = html_parse(parser)) != NULL) {
436 if (parser->state == HTML_HREF) {
437 /* first time : get and copy the URL */
439 /* ALF - the sylpheed html parser returns an empty string,
440 * if still inside an <a>, but already parsed past HREF */
441 str = strtok(str, " ");
444 /* the URL may (or not) be followed by the
446 str = strtok(NULL, "");
450 textview_write_link(textview, url, str, NULL);
457 textview_write_line(textview, str, NULL);
460 html_parser_destroy(parser);
463 /* get_uri_part() - retrieves a URI starting from scanpos.
464 Returns TRUE if succesful */
465 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
466 const gchar **bp, const gchar **ep)
470 g_return_val_if_fail(start != NULL, FALSE);
471 g_return_val_if_fail(scanpos != NULL, FALSE);
472 g_return_val_if_fail(bp != NULL, FALSE);
473 g_return_val_if_fail(ep != NULL, FALSE);
477 /* find end point of URI */
478 for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
479 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
483 /* no punctuation at end of string */
485 /* FIXME: this stripping of trailing punctuations may bite with other URIs.
486 * should pass some URI type to this function and decide on that whether
487 * to perform punctuation stripping */
489 #define IS_REAL_PUNCT(ch) (ispunct(ch) && ((ch) != '/'))
491 for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
501 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
503 return g_strndup(bp, ep - bp);
506 /* valid mail address characters */
507 #define IS_RFC822_CHAR(ch) \
512 !strchr("()<>\"", (ch)))
514 /* alphabet and number within 7bit ASCII */
515 #define IS_ASCII_ALNUM(ch) (isascii(ch) && isalnum(ch))
516 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
518 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
519 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
520 const gchar **bp, const gchar **ep)
522 /* more complex than the uri part because we need to scan back and forward starting from
523 * the scan position. */
524 gboolean result = FALSE;
525 const gchar *bp_ = NULL;
526 const gchar *ep_ = NULL;
528 /* the informative part of the email address (describing the name
529 * of the email address owner) may contain quoted parts. the
530 * closure stack stores the last encountered quotes. */
531 gchar closure_stack[128];
532 gchar *ptr = closure_stack;
534 g_return_val_if_fail(start != NULL, FALSE);
535 g_return_val_if_fail(scanpos != NULL, FALSE);
536 g_return_val_if_fail(bp != NULL, FALSE);
537 g_return_val_if_fail(ep != NULL, FALSE);
539 /* scan start of address */
540 for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
543 /* TODO: should start with an alnum? */
545 for (; bp_ < scanpos && !IS_ASCII_ALNUM(*bp_); bp_++)
548 if (bp_ != scanpos) {
549 /* scan end of address */
550 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
553 /* TODO: really should terminate with an alnum? */
554 for (; ep_ > scanpos && !IS_ASCII_ALNUM(*ep_); --ep_)
558 if (ep_ > scanpos + 1) {
565 if (!result) return FALSE;
567 /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
568 if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
571 /* see if this is <bracketed>; in this case we also scan for the informative part. */
572 if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
575 #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
576 #define IN_STACK() (ptr > closure_stack)
577 /* has underrun check */
578 #define POP_STACK() if(IN_STACK()) --ptr
579 /* has overrun check */
580 #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE
581 /* has underrun check */
582 #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0)
586 /* scan for the informative part. */
587 for (bp_ -= 2; bp_ >= start; bp_--) {
588 /* if closure on the stack keep scanning */
589 if (PEEK_STACK() == *bp_) {
593 if (*bp_ == '\'' || *bp_ == '"') {
598 /* if nothing in the closure stack, do the special conditions
599 * the following if..else expression simply checks whether
600 * a token is acceptable. if not acceptable, the clause
601 * should terminate the loop with a 'break' */
604 && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
605 && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) {
606 /* hyphens are allowed, but only in
608 } else if (!ispunct(*bp_)) {
609 /* but anything not being a punctiation
612 break; /* anything else is rejected */
625 /* scan forward (should start with an alnum) */
626 for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
636 #undef IS_RFC822_CHAR
638 static gchar *make_email_string(const gchar *bp, const gchar *ep)
640 /* returns a mailto: URI; mailto: is also used to detect the
641 * uri type later on in the button_pressed signal handler */
645 tmp = g_strndup(bp, ep - bp);
646 result = g_strconcat("mailto:", tmp, NULL);
652 #define ADD_TXT_POS(bp_, ep_, pti_) \
653 if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
655 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
658 g_warning("alloc error scanning URIs\n"); \
659 gtk_text_insert(text, textview->msgfont, fg_color, NULL, \
664 /* textview_make_clickable_parts() - colorizes clickable parts */
665 static void textview_make_clickable_parts(TextView *textview,
669 const gchar *linebuf)
671 /* parse table - in order of priority */
673 const gchar *needle; /* token */
675 /* token search function */
676 gchar *(*search) (const gchar *haystack,
677 const gchar *needle);
678 /* part parsing function */
679 gboolean (*parse) (const gchar *start,
680 const gchar *scanpos,
683 /* part to URI function */
684 gchar *(*build_uri) (const gchar *bp,
688 static struct table parser[] = {
689 {"http://", strcasestr, get_uri_part, make_uri_string},
690 {"https://", strcasestr, get_uri_part, make_uri_string},
691 {"ftp://", strcasestr, get_uri_part, make_uri_string},
692 {"mailto:", strcasestr, get_uri_part, make_uri_string},
693 {"@", strcasestr, get_email_part, make_email_string}
695 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
698 const gchar *walk, *bp, *ep;
701 const gchar *bp, *ep; /* text position */
702 gint pti; /* index in parse table */
703 struct txtpos *next; /* next */
704 } head = {NULL, NULL, 0, NULL}, *last = &head;
706 GtkText *text = GTK_TEXT(textview->text);
708 /* parse for clickable parts, and build a list of begin and end positions */
709 for (walk = linebuf, n = 0;;) {
710 gint last_index = PARSE_ELEMS;
711 gchar *scanpos = NULL;
713 /* FIXME: this looks phony. scanning for anything in the parse table */
714 for (n = 0; n < PARSE_ELEMS; n++) {
717 tmp = parser[n].search(walk, parser[n].needle);
719 if (scanpos == NULL || tmp < scanpos) {
727 /* check if URI can be parsed */
728 if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
729 && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
730 ADD_TXT_POS(bp, ep, last_index);
734 strlen(parser[last_index].needle);
739 /* colorize this line */
741 const gchar *normal_text = linebuf;
744 for (last = head.next; last != NULL;
745 normal_text = last->ep, last = last->next) {
748 uri = g_new(RemoteURI, 1);
749 if (last->bp - normal_text > 0)
750 gtk_text_insert(text, font,
753 last->bp - normal_text);
754 uri->uri = parser[last->pti].build_uri(last->bp,
756 uri->start = gtk_text_get_point(text);
757 gtk_text_insert(text, font, uri_color,
758 NULL, last->bp, last->ep - last->bp);
759 uri->end = gtk_text_get_point(text);
761 g_slist_append(textview->uri_list, uri);
765 gtk_text_insert(text, font, fg_color,
766 NULL, normal_text, -1);
768 gtk_text_insert(text, font, fg_color, NULL, linebuf, -1);
773 /* This function writes str as a double-clickable link with the given url. */
774 static void textview_write_link(TextView *textview, const gchar *url,
775 const gchar *str, CodeConverter *conv)
777 GdkColor *link_color = NULL;
779 GtkText *text = GTK_TEXT(textview->text);
782 /* this part is taken from textview_write_line. Right now the only place
783 * that calls this function passes NULL for conv, but you never know. */
785 strncpy2(buf, str, sizeof(buf));
786 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
787 gtk_text_insert(text, textview->msgfont,
788 prefs_common.enable_color
789 ? &error_color : NULL, NULL,
790 "*** Warning: code conversion failed ***\n",
795 /* this part is based on the code in make_clickable_parts */
796 if (prefs_common.enable_color) {
797 link_color = &uri_color;
799 uri = g_new(RemoteURI, 1);
800 uri->uri = g_strdup(url);
801 uri->start = gtk_text_get_point(text);
802 gtk_text_insert(text, textview->msgfont, link_color, NULL, buf,
804 uri->end = gtk_text_get_point(text);
805 textview->uri_list = g_slist_append(textview->uri_list, uri);
808 static void textview_write_line(TextView *textview, const gchar *str,
811 GtkText *text = GTK_TEXT(textview->text);
814 gint quotelevel = -1;
817 strncpy2(buf, str, sizeof(buf));
818 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
819 gtk_text_insert(text, textview->msgfont,
820 prefs_common.enable_color
821 ? &error_color : NULL, NULL,
822 "*** Warning: code conversion failed ***\n",
828 if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
831 /* change color of quotation
832 >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
833 Up to 3 levels of quotations are detected, and each
834 level is colored using a different color. */
835 if (prefs_common.enable_color && strchr(buf, '>')) {
836 quotelevel = get_quote_level(buf);
838 /* set up the correct foreground color */
839 if (quotelevel > 2) {
841 if (prefs_common.recycle_quote_colors)
848 if (quotelevel == -1)
851 fg_color = "e_colors[quotelevel];
853 if (prefs_common.head_space && spacingfont && buf[0] != '\n')
854 gtk_text_insert(text, spacingfont, NULL, NULL, " ", 1);
856 if (prefs_common.enable_color)
857 textview_make_clickable_parts(textview, textview->msgfont,
858 fg_color, &uri_color, buf);
860 textview_make_clickable_parts(textview, textview->msgfont,
861 fg_color, NULL, buf);
864 void textview_clear(TextView *textview)
866 GtkText *text = GTK_TEXT(textview->text);
868 gtk_text_freeze(text);
869 gtk_text_set_point(text, 0);
870 gtk_text_forward_delete(text, gtk_text_get_length(text));
873 textview_uri_list_remove_all(textview->uri_list);
874 textview->uri_list = NULL;
877 void textview_destroy(TextView *textview)
879 textview_uri_list_remove_all(textview->uri_list);
880 textview->uri_list = NULL;
882 if (!textview->scrolledwin_sb->parent)
883 gtk_widget_destroy(textview->scrolledwin_sb);
884 if (!textview->scrolledwin_mb->parent)
885 gtk_widget_destroy(textview->scrolledwin_mb);
887 if (textview->msgfont) {
888 textview->msgfont->ascent = textview->prev_ascent;
889 textview->msgfont->descent = textview->prev_descent;
890 gdk_font_unref(textview->msgfont);
892 if (textview->boldfont)
893 gdk_font_unref(textview->boldfont);
898 void textview_set_font(TextView *textview, const gchar *codeset)
900 gboolean use_fontset = TRUE;
902 /* In multi-byte mode, GtkText can't display 8bit characters
903 correctly, so it must be single-byte mode. */
904 if (MB_CUR_MAX > 1) {
906 if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
907 !g_strcasecmp(codeset, "BALTIC"))
909 else if (conv_get_current_charset() != C_EUC_JP &&
910 (!g_strncasecmp(codeset, "KOI8-", 5) ||
911 !g_strncasecmp(codeset, "CP", 2) ||
912 !g_strncasecmp(codeset, "WINDOWS-", 8)))
918 if (textview->text_is_mb && !use_fontset) {
921 parent = textview->scrolledwin_mb->parent;
922 gtk_editable_select_region
923 (GTK_EDITABLE(textview->text_mb), 0, 0);
924 gtk_container_remove(GTK_CONTAINER(parent),
925 textview->scrolledwin_mb);
926 gtk_container_add(GTK_CONTAINER(parent),
927 textview->scrolledwin_sb);
929 textview->text = textview->text_sb;
930 textview->text_is_mb = FALSE;
931 } else if (!textview->text_is_mb && use_fontset) {
934 parent = textview->scrolledwin_sb->parent;
935 gtk_editable_select_region
936 (GTK_EDITABLE(textview->text_sb), 0, 0);
937 gtk_container_remove(GTK_CONTAINER(parent),
938 textview->scrolledwin_sb);
939 gtk_container_add(GTK_CONTAINER(parent),
940 textview->scrolledwin_mb);
942 textview->text = textview->text_mb;
943 textview->text_is_mb = TRUE;
946 if (prefs_common.textfont) {
947 if (textview->msgfont) {
948 textview->msgfont->ascent = textview->prev_ascent;
949 textview->msgfont->descent = textview->prev_descent;
950 gdk_font_unref(textview->msgfont);
951 textview->msgfont = NULL;
955 gdk_fontset_load(prefs_common.textfont);
957 if (MB_CUR_MAX > 1) {
958 FONT_LOAD(textview->msgfont,
959 "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
961 FONT_LOAD(textview->msgfont,
962 prefs_common.textfont);
966 if (textview->msgfont) {
967 gint ascent, descent;
969 textview->prev_ascent = textview->msgfont->ascent;
970 textview->prev_descent = textview->msgfont->descent;
971 descent = prefs_common.line_space / 2;
972 ascent = prefs_common.line_space - descent;
973 textview->msgfont->ascent += ascent;
974 textview->msgfont->descent += descent;
978 if (!textview->boldfont)
979 FONT_LOAD(textview->boldfont, BOLD_FONT);
981 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
1000 void textview_set_position(TextView *textview, gint pos)
1004 gtk_text_get_length(GTK_TEXT(textview->text));
1006 textview->cur_pos = pos;
1010 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1012 gchar buf[BUFFSIZE];
1013 GPtrArray *headers, *sorted_headers;
1014 GSList *disphdr_list;
1018 g_return_val_if_fail(fp != NULL, NULL);
1020 if (!prefs_common.display_header) {
1021 while (fgets(buf, sizeof(buf), fp) != NULL)
1022 if (buf[0] == '\r' || buf[0] == '\n') break;
1026 headers = procheader_get_header_array_asis(fp);
1028 sorted_headers = g_ptr_array_new();
1030 for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1031 disphdr_list = disphdr_list->next) {
1032 DisplayHeaderProp *dp =
1033 (DisplayHeaderProp *)disphdr_list->data;
1035 for (i = 0; i < headers->len; i++) {
1036 header = g_ptr_array_index(headers, i);
1038 if (procheader_headername_equal(header->name,
1041 procheader_header_free(header);
1043 g_ptr_array_add(sorted_headers, header);
1045 g_ptr_array_remove_index(headers, i);
1051 if (prefs_common.show_other_header) {
1052 for (i = 0; i < headers->len; i++) {
1053 header = g_ptr_array_index(headers, i);
1054 g_ptr_array_add(sorted_headers, header);
1058 g_ptr_array_free(headers, FALSE);
1060 return sorted_headers;
1063 static void textview_show_header(TextView *textview, GPtrArray *headers)
1065 GtkText *text = GTK_TEXT(textview->text);
1069 g_return_if_fail(headers != NULL);
1071 gtk_text_freeze(text);
1073 for (i = 0; i < headers->len; i++) {
1074 header = g_ptr_array_index(headers, i);
1075 g_return_if_fail(header->name != NULL);
1077 gtk_text_insert(text, textview->boldfont, NULL, NULL,
1079 if (header->name[strlen(header->name) - 1] != ' ')
1080 gtk_text_insert(text, textview->boldfont,
1081 NULL, NULL, " ", 1);
1083 if (procheader_headername_equal(header->name, "Subject") ||
1084 procheader_headername_equal(header->name, "From") ||
1085 procheader_headername_equal(header->name, "To") ||
1086 procheader_headername_equal(header->name, "Cc"))
1087 unfold_line(header->body);
1089 if (prefs_common.enable_color &&
1090 (procheader_headername_equal(header->name, "X-Mailer") ||
1091 procheader_headername_equal(header->name,
1093 strstr(header->body, "Sylpheed") != NULL)
1094 gtk_text_insert(text, NULL, &emphasis_color, NULL,
1096 else if (prefs_common.enable_color) {
1097 textview_make_clickable_parts(textview,
1098 NULL, NULL, &uri_color,
1101 textview_make_clickable_parts(textview,
1105 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1108 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1109 gtk_text_thaw(text);
1110 textview->body_pos = gtk_text_get_length(text);
1113 gboolean textview_search_string(TextView *textview, const gchar *str,
1116 GtkText *text = GTK_TEXT(textview->text);
1121 gboolean found = FALSE;
1123 g_return_val_if_fail(str != NULL, FALSE);
1125 wcs = strdup_mbstowcs(str);
1126 g_return_val_if_fail(wcs != NULL, FALSE);
1128 pos = textview->cur_pos;
1129 if (pos < textview->body_pos)
1130 pos = textview->body_pos;
1131 text_len = gtk_text_get_length(text);
1132 if (text_len - pos < len) {
1137 for (; pos < text_len; pos++) {
1138 if (text_len - pos < len) break;
1139 if (gtkut_text_match_string(text, pos, wcs, len, case_sens)
1141 gtk_editable_set_position(GTK_EDITABLE(text),
1143 gtk_editable_select_region(GTK_EDITABLE(text),
1145 textview_set_position(textview, pos + len);
1149 if (text_len - pos == len) break;
1156 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1159 GtkText *text = GTK_TEXT(textview->text);
1164 gboolean found = FALSE;
1166 g_return_val_if_fail(str != NULL, FALSE);
1168 wcs = strdup_mbstowcs(str);
1169 g_return_val_if_fail(wcs != NULL, FALSE);
1171 pos = textview->cur_pos;
1172 text_len = gtk_text_get_length(text);
1173 if (text_len - textview->body_pos < len) {
1177 if (pos <= textview->body_pos || text_len - pos < len)
1178 pos = text_len - len;
1180 for (; pos >= textview->body_pos; pos--) {
1181 if (gtkut_text_match_string(text, pos, wcs, len, case_sens)
1183 gtk_editable_set_position(GTK_EDITABLE(text), pos);
1184 gtk_editable_select_region(GTK_EDITABLE(text),
1186 textview_set_position(textview, pos - 1);
1190 if (pos == textview->body_pos) break;
1197 void textview_scroll_one_line(TextView *textview, gboolean up)
1199 GtkText *text = GTK_TEXT(textview->text);
1202 if (prefs_common.enable_smooth_scroll) {
1203 textview_smooth_scroll_one_line(textview, up);
1208 upper = text->vadj->upper - text->vadj->page_size;
1209 if (text->vadj->value < upper) {
1210 text->vadj->value +=
1211 text->vadj->step_increment * 4;
1213 MIN(text->vadj->value, upper);
1214 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1218 if (text->vadj->value > 0.0) {
1219 text->vadj->value -=
1220 text->vadj->step_increment * 4;
1222 MAX(text->vadj->value, 0.0);
1223 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1229 gboolean textview_scroll_page(TextView *textview, gboolean up)
1231 GtkText *text = GTK_TEXT(textview->text);
1235 if (prefs_common.enable_smooth_scroll)
1236 return textview_smooth_scroll_page(textview, up);
1238 if (prefs_common.scroll_halfpage)
1239 page_incr = text->vadj->page_increment / 2;
1241 page_incr = text->vadj->page_increment;
1244 upper = text->vadj->upper - text->vadj->page_size;
1245 if (text->vadj->value < upper) {
1246 text->vadj->value += page_incr;
1247 text->vadj->value = MIN(text->vadj->value, upper);
1248 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1253 if (text->vadj->value > 0.0) {
1254 text->vadj->value -= page_incr;
1255 text->vadj->value = MAX(text->vadj->value, 0.0);
1256 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1265 static void textview_smooth_scroll_do(TextView *textview,
1266 gfloat old_value, gfloat last_value,
1269 GtkText *text = GTK_TEXT(textview->text);
1274 if (old_value < last_value) {
1275 change_value = last_value - old_value;
1278 change_value = old_value - last_value;
1282 gdk_key_repeat_disable();
1284 for (i = step; i <= change_value; i += step) {
1285 text->vadj->value = old_value + (up ? -i : i);
1286 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1290 text->vadj->value = last_value;
1291 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1293 gdk_key_repeat_restore();
1296 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1298 GtkText *text = GTK_TEXT(textview->text);
1304 upper = text->vadj->upper - text->vadj->page_size;
1305 if (text->vadj->value < upper) {
1306 old_value = text->vadj->value;
1307 last_value = text->vadj->value +
1308 text->vadj->step_increment * 4;
1309 last_value = MIN(last_value, upper);
1311 textview_smooth_scroll_do(textview, old_value,
1313 prefs_common.scroll_step);
1316 if (text->vadj->value > 0.0) {
1317 old_value = text->vadj->value;
1318 last_value = text->vadj->value -
1319 text->vadj->step_increment * 4;
1320 last_value = MAX(last_value, 0.0);
1322 textview_smooth_scroll_do(textview, old_value,
1324 prefs_common.scroll_step);
1329 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1331 GtkText *text = GTK_TEXT(textview->text);
1337 if (prefs_common.scroll_halfpage)
1338 page_incr = text->vadj->page_increment / 2;
1340 page_incr = text->vadj->page_increment;
1343 upper = text->vadj->upper - text->vadj->page_size;
1344 if (text->vadj->value < upper) {
1345 old_value = text->vadj->value;
1346 last_value = text->vadj->value + page_incr;
1347 last_value = MIN(last_value, upper);
1349 textview_smooth_scroll_do(textview, old_value,
1351 prefs_common.scroll_step);
1355 if (text->vadj->value > 0.0) {
1356 old_value = text->vadj->value;
1357 last_value = text->vadj->value - page_incr;
1358 last_value = MAX(last_value, 0.0);
1360 textview_smooth_scroll_do(textview, old_value,
1362 prefs_common.scroll_step);
1370 static void textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1373 SummaryView *summaryview = NULL;
1376 if (textview->messageview->mainwin)
1377 summaryview = textview->messageview->mainwin->summaryview;
1379 switch (event->keyval) {
1394 summary_pass_key_press_event(summaryview, event);
1396 textview_scroll_page(textview, FALSE);
1399 textview_scroll_page(textview, TRUE);
1402 textview_scroll_one_line(textview,
1403 (event->state & GDK_MOD1_MASK) != 0);
1407 summary_pass_key_press_event(summaryview, event);
1412 static void textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1416 gtk_editable_get_position(GTK_EDITABLE(textview->text));
1419 ((event->button == 1 && event->type == GDK_2BUTTON_PRESS)
1420 || event->button == 2 || event->button == 3)) {
1423 /* double click seems to set the cursor after the current
1424 * word. The cursor position needs fixing, otherwise the
1425 * last word of a clickable zone will not work */
1426 if (event->button == 1 && event->type == GDK_2BUTTON_PRESS) {
1427 textview->cur_pos--;
1430 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1431 RemoteURI *uri = (RemoteURI *)cur->data;
1433 if (textview->cur_pos >= uri->start &&
1434 textview->cur_pos < uri->end) {
1435 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1436 if (event->button == 3) {
1437 gchar *fromname, *fromaddress;
1439 fromaddress = g_strdup(uri->uri + 7);
1440 /* Hiroyuki: please put this function in utils.c! */
1441 fromname = procheader_get_fromname(fromaddress);
1442 extract_address(fromaddress);
1443 g_message("adding from textview %s <%s>", fromname, fromaddress);
1444 // Add to address book - Match
1445 addressbook_add_contact( fromname, fromaddress, NULL );
1446 g_free(fromaddress);
1449 compose_new_with_recipient
1450 (NULL, uri->uri + 7);
1454 prefs_common.uri_cmd);
1461 static void textview_uri_list_remove_all(GSList *uri_list)
1465 for (cur = uri_list; cur != NULL; cur = cur->next) {
1467 g_free(((RemoteURI *)cur->data)->uri);
1472 g_slist_free(uri_list);