2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999,2000 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_widget_show(text_sb);
155 gtk_widget_show(text_mb);
156 gtk_text_set_word_wrap(GTK_TEXT(text_sb), TRUE);
157 gtk_text_set_word_wrap(GTK_TEXT(text_mb), TRUE);
158 gtk_widget_ensure_style(text_sb);
159 gtk_widget_ensure_style(text_mb);
160 if (text_sb->style && text_sb->style->font->type == GDK_FONT_FONTSET) {
163 style = gtk_style_copy(text_sb->style);
164 gdk_font_unref(style->font);
165 FONT_LOAD(style->font, NORMAL_FONT);
166 gtk_widget_set_style(text_sb, style);
168 if (text_mb->style && text_mb->style->font->type == GDK_FONT_FONT) {
171 style = gtk_style_copy(text_mb->style);
172 gdk_font_unref(style->font);
173 style->font = gdk_fontset_load(NORMAL_FONT);
174 gtk_widget_set_style(text_mb, style);
176 gtk_widget_ref(scrolledwin_sb);
177 gtk_widget_ref(scrolledwin_mb);
179 gtk_container_add(GTK_CONTAINER(scrolledwin_sb), text_sb);
180 gtk_container_add(GTK_CONTAINER(scrolledwin_mb), text_mb);
181 gtk_signal_connect(GTK_OBJECT(text_sb), "key_press_event",
182 GTK_SIGNAL_FUNC(textview_key_pressed),
184 gtk_signal_connect(GTK_OBJECT(text_sb), "button_press_event",
185 GTK_SIGNAL_FUNC(textview_button_pressed),
187 gtk_signal_connect(GTK_OBJECT(text_mb), "key_press_event",
188 GTK_SIGNAL_FUNC(textview_key_pressed),
190 gtk_signal_connect(GTK_OBJECT(text_mb), "button_press_event",
191 GTK_SIGNAL_FUNC(textview_button_pressed),
194 gtk_widget_show(scrolledwin_sb);
195 gtk_widget_show(scrolledwin_mb);
197 vbox = gtk_vbox_new(FALSE, 0);
198 gtk_box_pack_start(GTK_BOX(vbox), scrolledwin_sb, TRUE, TRUE, 0);
200 textview->vbox = vbox;
201 textview->scrolledwin = scrolledwin_sb;
202 textview->scrolledwin_sb = scrolledwin_sb;
203 textview->scrolledwin_mb = scrolledwin_mb;
204 textview->text = text_sb;
205 textview->text_sb = text_sb;
206 textview->text_mb = text_mb;
207 textview->text_is_mb = FALSE;
208 textview->uri_list = NULL;
213 void textview_init(TextView *textview)
215 gtkut_widget_disable_theme_engine(textview->text_sb);
216 gtkut_widget_disable_theme_engine(textview->text_mb);
217 textview_update_message_colors();
218 textview_set_font(textview, NULL);
221 void textview_update_message_colors(void)
223 GdkColor black = {0, 0, 0, 0};
225 if (prefs_common.enable_color) {
226 /* grab the quote colors, converting from an int to a GdkColor */
227 gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col,
229 gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col,
231 gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col,
233 gtkut_convert_int_to_gdk_color(prefs_common.uri_col,
236 quote_colors[0] = quote_colors[1] = quote_colors[2] =
237 uri_color = emphasis_color = black;
241 void textview_show_message(TextView *textview, MimeInfo *mimeinfo,
246 if ((fp = fopen(file, "r")) == NULL) {
247 FILE_OP_ERROR(file, "fopen");
251 textview_show_part(textview, mimeinfo, fp);
256 void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp)
260 const gchar *boundary = NULL;
261 gint boundary_len = 0;
262 const gchar *charset = NULL;
264 GPtrArray *headers = NULL;
267 g_return_if_fail(mimeinfo != NULL);
268 g_return_if_fail(fp != NULL);
270 if (mimeinfo->mime_type == MIME_MULTIPART) {
272 mimeinfo = mimeinfo->sub;
273 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) {
280 if (mimeinfo->parent && mimeinfo->parent->boundary) {
281 boundary = mimeinfo->parent->boundary;
282 boundary_len = strlen(boundary);
285 if (!boundary && mimeinfo->mime_type == MIME_TEXT) {
286 if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
288 headers = textview_scan_header(textview, fp);
290 if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) {
293 if ((fpos = ftell(fp)) < 0)
295 else if (fseek(fp, mimeinfo->parent->fpos, SEEK_SET)
299 headers = textview_scan_header(textview, fp);
300 if (fseek(fp, fpos, SEEK_SET) < 0)
304 while (fgets(buf, sizeof(buf), fp) != NULL)
305 if (buf[0] == '\r' || buf[0] == '\n') break;
308 /* display attached RFC822 single text message */
309 if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
310 if (!mimeinfo->sub || mimeinfo->sub->children) return;
311 headers = textview_scan_header(textview, fp);
312 mimeinfo = mimeinfo->sub;
313 } else if (!mimeinfo->parent &&
314 mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
315 if (!mimeinfo->sub) return;
316 headers = textview_scan_header(textview, fp);
317 mimeinfo = mimeinfo->sub;
320 if (prefs_common.force_charset)
321 charset = prefs_common.force_charset;
322 else if (mimeinfo->charset)
323 charset = mimeinfo->charset;
324 textview_set_font(textview, charset);
326 conv = conv_code_converter_new(charset);
328 textview_clear(textview);
329 text = GTK_TEXT(textview->text);
330 gtk_text_freeze(text);
333 textview_show_header(textview, headers);
334 procheader_header_array_destroy(headers);
337 tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
339 if (mimeinfo->mime_type == MIME_TEXT_HTML)
340 textview_show_html(textview, tmpfp, conv);
342 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
343 textview_write_line(textview, buf, conv);
347 conv_code_converter_destroy(conv);
352 #define TEXT_INSERT(str) \
353 gtk_text_insert(text, textview->msgfont, NULL, NULL, str, -1)
355 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
359 if (!partinfo) return;
361 textview_set_font(textview, NULL);
362 text = GTK_TEXT(textview->text);
363 textview_clear(textview);
365 gtk_text_freeze(text);
367 TEXT_INSERT(_("To save this part, pop up the context menu with "));
368 TEXT_INSERT(_("right click and select `Save as...', "));
369 TEXT_INSERT(_("or press `y' key.\n\n"));
371 TEXT_INSERT(_("To display this part as a text message, select "));
372 TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
374 TEXT_INSERT(_("To open this part with external program, select "));
375 TEXT_INSERT(_("`Open' or `Open with...', "));
376 TEXT_INSERT(_("or double-click, or click the center button, "));
377 TEXT_INSERT(_("or press `l' key."));
383 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
387 if (!partinfo) return;
389 textview_set_font(textview, NULL);
390 text = GTK_TEXT(textview->text);
391 textview_clear(textview);
393 gtk_text_freeze(text);
395 if (partinfo->sigstatus_full == NULL) {
396 TEXT_INSERT(_("This signature has not been checked yet.\n"));
397 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
398 TEXT_INSERT(_("right click and select `Check signature'.\n"));
400 TEXT_INSERT(partinfo->sigstatus_full);
405 #endif /* USE_GPGME */
409 static void textview_show_html(TextView *textview, FILE *fp,
415 parser = html_parser_new(fp, conv);
416 g_return_if_fail(parser != NULL);
418 while ((str = html_parse(parser)) != NULL) {
419 textview_write_line(textview, str, NULL);
421 html_parser_destroy(parser);
424 /* get_uri_part() - retrieves a URI starting from scanpos.
425 Returns TRUE if succesful */
426 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
427 const gchar **bp, const gchar **ep)
431 g_return_val_if_fail(start != NULL, FALSE);
432 g_return_val_if_fail(scanpos != NULL, FALSE);
433 g_return_val_if_fail(bp != NULL, FALSE);
434 g_return_val_if_fail(ep != NULL, FALSE);
438 /* find end point of URI */
439 for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
440 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
444 /* no punctuation at end of string */
446 /* FIXME: this stripping of trailing punctuations may bite with other URIs.
447 * should pass some URI type to this function and decide on that whether
448 * to perform punctuation stripping */
450 #define IS_REAL_PUNCT(ch) \
451 (ispunct(ch) && ((ch) != '/'))
453 for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
463 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
465 return g_strndup(bp, ep - bp);
468 /* valid mail address characters */
469 #define IS_RFC822_CHAR(ch) \
474 !strchr("()<>\"", (ch)))
476 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
478 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
479 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
480 const gchar **bp, const gchar **ep)
482 /* more complex than the uri part because we need to scan back and forward starting from
483 * the scan position. */
484 gboolean result = FALSE;
485 const gchar *bp_ = NULL;
486 const gchar *ep_ = NULL;
488 /* the informative part of the email address (describing the name
489 * of the email address owner) may contain quoted parts. the
490 * closure stack stores the last encountered quotes. */
491 gchar closure_stack[128];
492 gchar *ptr = closure_stack;
494 g_return_val_if_fail(start != NULL, FALSE);
495 g_return_val_if_fail(scanpos != NULL, FALSE);
496 g_return_val_if_fail(bp != NULL, FALSE);
497 g_return_val_if_fail(ep != NULL, FALSE);
499 /* scan start of address */
500 for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
503 /* TODO: should start with an alnum? */
505 for (; bp_ < scanpos && !isalnum(*bp_); bp_++)
508 if (bp_ != scanpos) {
509 /* scan end of address */
510 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
513 /* TODO: really should terminate with an alnum? */
514 for (; ep_ > scanpos && !isalnum(*ep_); --ep_)
518 if (ep_ > scanpos + 1) {
525 if (!result) return FALSE;
527 /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
528 if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
531 /* see if this is <bracketed>; in this case we also scan for the informative part. */
532 if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
535 #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
536 #define IN_STACK() (ptr > closure_stack)
537 /* has underrun check */
538 #define POP_STACK() if(IN_STACK()) --ptr
539 /* has overrun check */
540 #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE
541 /* has underrun check */
542 #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0)
546 /* scan for the informative part. */
547 for (bp_ -= 2; bp_ >= start; bp_--) {
548 /* if closure on the stack keep scanning */
549 if (PEEK_STACK() == *bp_) {
553 if (*bp_ == '\'' || *bp_ == '"') {
558 /* if nothing in the closure stack, do the special conditions
559 * the following if..else expression simply checks whether
560 * a token is acceptable. if not acceptable, the clause
561 * should terminate the loop with a 'break' */
564 && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
565 && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) {
566 /* hyphens are allowed, but only in
568 } else if (!ispunct(*bp_)) {
569 /* but anything not being a punctiation
572 break; /* anything else is rejected */
585 /* scan forward (should start with an alnum) */
586 for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
596 #undef IS_RFC822_CHAR
598 static gchar *make_email_string(const gchar *bp, const gchar *ep)
600 /* returns a mailto: URI; mailto: is also used to detect the
601 * uri type later on in the button_pressed signal handler */
605 tmp = g_strndup(bp, ep - bp);
606 result = g_strconcat("mailto:", tmp, NULL);
612 #define ADD_TXT_POS(bp_, ep_, pti_) \
613 if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
615 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
618 g_warning("alloc error scanning URIs\n"); \
619 gtk_text_insert(text, textview->msgfont, fg_color, NULL, \
624 /* textview_make_clickable_parts() - colorizes clickable parts */
625 static void textview_make_clickable_parts(TextView *textview,
629 const gchar *linebuf)
631 /* parse table - in order of priority */
633 const gchar *needle; /* token */
635 /* token search function */
636 gchar *(*search) (const gchar *haystack,
637 const gchar *needle);
638 /* part parsing function */
639 gboolean (*parse) (const gchar *start,
640 const gchar *scanpos,
643 /* part to URI function */
644 gchar *(*build_uri) (const gchar *bp,
648 static struct table parser[] = {
649 {"http://", strcasestr, get_uri_part, make_uri_string},
650 {"https://", strcasestr, get_uri_part, make_uri_string},
651 {"ftp://", strcasestr, get_uri_part, make_uri_string},
652 {"mailto:", strcasestr, get_uri_part, make_uri_string},
653 {"@", strcasestr, get_email_part, make_email_string}
655 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
658 const gchar *walk, *bp, *ep;
661 const gchar *bp, *ep; /* text position */
662 gint pti; /* index in parse table */
663 struct txtpos *next; /* next */
664 } head = {NULL, NULL, 0, NULL}, *last = &head;
666 GtkText *text = GTK_TEXT(textview->text);
668 /* parse for clickable parts, and build a list of begin and end positions */
669 for (walk = linebuf, n = 0;;) {
670 gint last_index = PARSE_ELEMS;
671 gchar *scanpos = NULL;
673 /* FIXME: this looks phony. scanning for anything in the parse table */
674 for (n = 0; n < PARSE_ELEMS; n++) {
677 tmp = parser[n].search(walk, parser[n].needle);
679 if (scanpos == NULL || tmp < scanpos) {
687 /* check if URI can be parsed */
688 if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
689 && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
690 ADD_TXT_POS(bp, ep, last_index);
694 strlen(parser[last_index].needle);
699 /* colorize this line */
701 const gchar *normal_text = linebuf;
704 for (last = head.next; last != NULL;
705 normal_text = last->ep, last = last->next) {
708 uri = g_new(RemoteURI, 1);
709 if (last->bp - normal_text > 0)
710 gtk_text_insert(text, font,
713 last->bp - normal_text);
714 uri->uri = parser[last->pti].build_uri(last->bp,
716 uri->start = gtk_text_get_point(text);
717 gtk_text_insert(text, font, uri_color,
718 NULL, last->bp, last->ep - last->bp);
719 uri->end = gtk_text_get_point(text);
721 g_slist_append(textview->uri_list, uri);
725 gtk_text_insert(text, font, fg_color,
726 NULL, normal_text, -1);
728 gtk_text_insert(text, font, fg_color, NULL, linebuf, -1);
733 static void textview_write_line(TextView *textview, const gchar *str,
736 GtkText *text = GTK_TEXT(textview->text);
740 gint quotelevel = -1;
743 strncpy2(buf, str, sizeof(buf));
744 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
745 gtk_text_insert(text, textview->msgfont,
746 prefs_common.enable_color
747 ? &error_color : NULL, NULL,
748 "*** Warning: code conversion failed ***\n",
754 if (len > 1 && buf[len - 1] == '\n' && buf[len - 2] == '\r') {
758 if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
761 /* change color of quotation
762 >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
763 Up to 3 levels of quotations are detected, and each
764 level is colored using a different color. */
765 if (prefs_common.enable_color && strchr(buf, '>')) {
766 quotelevel = get_quote_level(buf);
768 /* set up the correct foreground color */
769 if (quotelevel > 2) {
771 if (prefs_common.recycle_quote_colors)
778 if (quotelevel == -1)
781 fg_color = "e_colors[quotelevel];
783 if (prefs_common.head_space && spacingfont && buf[0] != '\n')
784 gtk_text_insert(text, spacingfont, NULL, NULL, " ", 1);
786 if (prefs_common.enable_color)
787 textview_make_clickable_parts(textview, textview->msgfont,
788 fg_color, &uri_color, buf);
790 gtk_text_insert(text, textview->msgfont, fg_color, NULL,
794 void textview_clear(TextView *textview)
796 GtkText *text = GTK_TEXT(textview->text);
798 gtk_text_freeze(text);
799 gtk_text_backward_delete(text, gtk_text_get_length(text));
802 textview_uri_list_remove_all(textview->uri_list);
803 textview->uri_list = NULL;
806 void textview_destroy(TextView *textview)
808 textview_uri_list_remove_all(textview->uri_list);
809 textview->uri_list = NULL;
811 if (!textview->scrolledwin_sb->parent)
812 gtk_widget_destroy(textview->scrolledwin_sb);
813 if (!textview->scrolledwin_mb->parent)
814 gtk_widget_destroy(textview->scrolledwin_mb);
816 if (textview->msgfont) {
817 textview->msgfont->ascent = textview->prev_ascent;
818 textview->msgfont->descent = textview->prev_descent;
819 gdk_font_unref(textview->msgfont);
821 if (textview->boldfont)
822 gdk_font_unref(textview->boldfont);
827 void textview_set_font(TextView *textview, const gchar *codeset)
829 gboolean use_fontset = TRUE;
831 /* In multi-byte mode, GtkText can't display 8bit characters
832 correctly, so it must be single-byte mode. */
833 if (MB_CUR_MAX > 1) {
835 if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
836 !g_strncasecmp(codeset, "KOI8-", 5) ||
837 !g_strncasecmp(codeset, "CP", 2) ||
838 !g_strncasecmp(codeset, "WINDOWS-", 8) ||
839 !g_strcasecmp(codeset, "BALTIC"))
845 if (textview->text_is_mb && !use_fontset) {
848 parent = textview->scrolledwin_mb->parent;
849 gtk_editable_select_region
850 (GTK_EDITABLE(textview->text_mb), 0, 0);
851 gtk_container_remove(GTK_CONTAINER(parent),
852 textview->scrolledwin_mb);
853 gtk_container_add(GTK_CONTAINER(parent),
854 textview->scrolledwin_sb);
856 textview->text = textview->text_sb;
857 textview->text_is_mb = FALSE;
858 } else if (!textview->text_is_mb && use_fontset) {
861 parent = textview->scrolledwin_sb->parent;
862 gtk_editable_select_region
863 (GTK_EDITABLE(textview->text_sb), 0, 0);
864 gtk_container_remove(GTK_CONTAINER(parent),
865 textview->scrolledwin_sb);
866 gtk_container_add(GTK_CONTAINER(parent),
867 textview->scrolledwin_mb);
869 textview->text = textview->text_mb;
870 textview->text_is_mb = TRUE;
873 if (prefs_common.textfont) {
874 if (textview->msgfont) {
875 textview->msgfont->ascent = textview->prev_ascent;
876 textview->msgfont->descent = textview->prev_descent;
877 gdk_font_unref(textview->msgfont);
878 textview->msgfont = NULL;
882 gdk_fontset_load(prefs_common.textfont);
884 if (MB_CUR_MAX > 1) {
885 FONT_LOAD(textview->msgfont,
886 "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
888 FONT_LOAD(textview->msgfont,
889 prefs_common.textfont);
893 if (textview->msgfont) {
894 gint ascent, descent;
896 textview->prev_ascent = textview->msgfont->ascent;
897 textview->prev_descent = textview->msgfont->descent;
898 descent = prefs_common.line_space / 2;
899 ascent = prefs_common.line_space - descent;
900 textview->msgfont->ascent += ascent;
901 textview->msgfont->descent += descent;
905 if (!textview->boldfont)
906 FONT_LOAD(textview->boldfont, BOLD_FONT);
908 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
927 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
930 GPtrArray *headers, *sorted_headers;
931 GSList *disphdr_list;
937 g_return_val_if_fail(fp != NULL, NULL);
939 if (!prefs_common.display_header) {
940 while (fgets(buf, sizeof(buf), fp) != NULL)
941 if (buf[0] == '\r' || buf[0] == '\n') break;
945 headers = procheader_get_header_array_asis(fp);
947 sorted_headers = g_ptr_array_new();
949 for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
950 disphdr_list = disphdr_list->next) {
951 DisplayHeaderProp *dp =
952 (DisplayHeaderProp *)disphdr_list->data;
954 for (i = 0; i < headers->len; i++) {
955 header = g_ptr_array_index(headers, i);
957 if (procheader_headername_equal(header->name,
960 procheader_header_free(header);
962 g_ptr_array_add(sorted_headers, header);
964 g_ptr_array_remove_index(headers, i);
970 if (prefs_common.show_other_header) {
971 for (i = 0; i < headers->len; i++) {
972 header = g_ptr_array_index(headers, i);
973 g_ptr_array_add(sorted_headers, header);
977 g_ptr_array_free(headers, TRUE);
979 return sorted_headers;
982 static void textview_show_header(TextView *textview, GPtrArray *headers)
984 GtkText *text = GTK_TEXT(textview->text);
988 g_return_if_fail(headers != NULL);
990 gtk_text_freeze(text);
992 for (i = 0; i < headers->len; i++) {
993 header = g_ptr_array_index(headers, i);
994 g_return_if_fail(header->name != NULL);
996 gtk_text_insert(text, textview->boldfont, NULL, NULL,
998 gtk_text_insert(text, textview->boldfont, NULL, NULL, " ", 1);
1000 if (procheader_headername_equal(header->name, "Subject") ||
1001 procheader_headername_equal(header->name, "From") ||
1002 procheader_headername_equal(header->name, "To") ||
1003 procheader_headername_equal(header->name, "Cc"))
1004 unfold_line(header->body);
1006 if (prefs_common.enable_color &&
1007 (procheader_headername_equal(header->name, "X-Mailer") ||
1008 procheader_headername_equal(header->name,
1010 strstr(header->body, "Sylpheed") != NULL)
1011 gtk_text_insert(text, NULL, &emphasis_color, NULL,
1013 else if (prefs_common.enable_color) {
1014 textview_make_clickable_parts(textview,
1015 NULL, NULL, &uri_color,
1018 gtk_text_insert(text, NULL, NULL, NULL,
1021 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1024 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1025 gtk_text_thaw(text);
1028 void textview_scroll_one_line(TextView *textview, gboolean up)
1030 GtkText *text = GTK_TEXT(textview->text);
1033 if (prefs_common.enable_smooth_scroll) {
1034 textview_smooth_scroll_one_line(textview, up);
1039 upper = text->vadj->upper - text->vadj->page_size;
1040 if (text->vadj->value < upper) {
1041 text->vadj->value +=
1042 text->vadj->step_increment * 4;
1044 MIN(text->vadj->value, upper);
1045 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1049 if (text->vadj->value > 0.0) {
1050 text->vadj->value -=
1051 text->vadj->step_increment * 4;
1053 MAX(text->vadj->value, 0.0);
1054 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1060 gboolean textview_scroll_page(TextView *textview, gboolean up)
1062 GtkText *text = GTK_TEXT(textview->text);
1066 if (prefs_common.enable_smooth_scroll)
1067 return textview_smooth_scroll_page(textview, up);
1069 if (prefs_common.scroll_halfpage)
1070 page_incr = text->vadj->page_increment / 2;
1072 page_incr = text->vadj->page_increment;
1075 upper = text->vadj->upper - text->vadj->page_size;
1076 if (text->vadj->value < upper) {
1077 text->vadj->value += page_incr;
1078 text->vadj->value = MIN(text->vadj->value, upper);
1079 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1084 if (text->vadj->value > 0.0) {
1085 text->vadj->value -= page_incr;
1086 text->vadj->value = MAX(text->vadj->value, 0.0);
1087 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1096 static void textview_smooth_scroll_do(TextView *textview,
1097 gfloat old_value, gfloat last_value,
1100 GtkText *text = GTK_TEXT(textview->text);
1105 if (old_value < last_value) {
1106 change_value = last_value - old_value;
1109 change_value = old_value - last_value;
1113 gdk_key_repeat_disable();
1115 for (i = step; i <= change_value; i += step) {
1116 text->vadj->value = old_value + (up ? -i : i);
1117 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1121 text->vadj->value = last_value;
1122 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1124 gdk_key_repeat_restore();
1127 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1129 GtkText *text = GTK_TEXT(textview->text);
1135 upper = text->vadj->upper - text->vadj->page_size;
1136 if (text->vadj->value < upper) {
1137 old_value = text->vadj->value;
1138 last_value = text->vadj->value +
1139 text->vadj->step_increment * 4;
1140 last_value = MIN(last_value, upper);
1142 textview_smooth_scroll_do(textview, old_value,
1144 prefs_common.scroll_step);
1147 if (text->vadj->value > 0.0) {
1148 old_value = text->vadj->value;
1149 last_value = text->vadj->value -
1150 text->vadj->step_increment * 4;
1151 last_value = MAX(last_value, 0.0);
1153 textview_smooth_scroll_do(textview, old_value,
1155 prefs_common.scroll_step);
1160 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1162 GtkText *text = GTK_TEXT(textview->text);
1168 if (prefs_common.scroll_halfpage)
1169 page_incr = text->vadj->page_increment / 2;
1171 page_incr = text->vadj->page_increment;
1174 upper = text->vadj->upper - text->vadj->page_size;
1175 if (text->vadj->value < upper) {
1176 old_value = text->vadj->value;
1177 last_value = text->vadj->value + page_incr;
1178 last_value = MIN(last_value, upper);
1180 textview_smooth_scroll_do(textview, old_value,
1182 prefs_common.scroll_step);
1186 if (text->vadj->value > 0.0) {
1187 old_value = text->vadj->value;
1188 last_value = text->vadj->value - page_incr;
1189 last_value = MAX(last_value, 0.0);
1191 textview_smooth_scroll_do(textview, old_value,
1193 prefs_common.scroll_step);
1201 static void textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1204 SummaryView *summaryview = NULL;
1207 if (textview->messageview->mainwin)
1208 summaryview = textview->messageview->mainwin->summaryview;
1210 switch (event->keyval) {
1225 summary_pass_key_press_event(summaryview, event);
1227 textview_scroll_page(textview, FALSE);
1231 textview_scroll_page(textview, TRUE);
1234 textview_scroll_one_line(textview,
1235 (event->state & GDK_MOD1_MASK) != 0);
1239 summary_pass_key_press_event(summaryview, event);
1244 static void textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1248 ((event->button == 1 && event->type == GDK_2BUTTON_PRESS)
1249 || event->button == 2 || event->button == 3)) {
1253 current_pos = GTK_EDITABLE(textview->text)->current_pos;
1255 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1256 RemoteURI *uri = (RemoteURI *)cur->data;
1258 if (current_pos >= uri->start &&
1259 current_pos < uri->end) {
1260 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1261 if (event->button == 3) {
1262 gchar *fromname, *fromaddress;
1264 fromaddress = g_strdup(uri->uri + 7);
1265 /* Hiroyuki: please put this function in utils.c! */
1266 fromname = procheader_get_fromname(fromaddress);
1267 extract_address(fromaddress);
1268 g_message("adding from textview %s <%s>", fromname, fromaddress);
1269 addressbook_add_contact_by_menu(NULL, fromname, fromaddress, NULL);
1270 g_free(fromaddress);
1273 compose_new_with_recipient
1274 (NULL, uri->uri + 7);
1278 prefs_common.uri_cmd);
1285 static void textview_uri_list_remove_all(GSList *uri_list)
1289 for (cur = uri_list; cur != NULL; cur = cur->next) {
1291 g_free(((RemoteURI *)cur->data)->uri);
1296 g_slist_free(uri_list);