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) {
301 if ((fpos = ftell(fp)) < 0)
303 else if (fseek(fp, mimeinfo->parent->fpos, SEEK_SET)
307 headers = textview_scan_header(textview, fp);
308 if (fseek(fp, fpos, SEEK_SET) < 0)
312 while (fgets(buf, sizeof(buf), fp) != NULL)
313 if (buf[0] == '\r' || buf[0] == '\n') break;
316 /* display attached RFC822 single text message */
317 if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
318 if (headers) procheader_header_array_destroy(headers);
319 if (!mimeinfo->sub || mimeinfo->sub->children) return;
320 headers = textview_scan_header(textview, fp);
321 mimeinfo = mimeinfo->sub;
322 } else if (!mimeinfo->parent &&
323 mimeinfo->mime_type == MIME_MESSAGE_RFC822) {
324 if (headers) procheader_header_array_destroy(headers);
325 if (!mimeinfo->sub) return;
326 headers = textview_scan_header(textview, fp);
327 mimeinfo = mimeinfo->sub;
330 if (prefs_common.force_charset)
331 charset = prefs_common.force_charset;
332 else if (mimeinfo->charset)
333 charset = mimeinfo->charset;
334 textview_set_font(textview, charset);
336 conv = conv_code_converter_new(charset);
338 textview_clear(textview);
339 text = GTK_TEXT(textview->text);
340 gtk_text_freeze(text);
342 textview->body_pos = 0;
343 textview->cur_pos = 0;
346 textview_show_header(textview, headers);
347 procheader_header_array_destroy(headers);
350 tmpfp = procmime_decode_content(NULL, fp, mimeinfo);
352 if (mimeinfo->mime_type == MIME_TEXT_HTML)
353 textview_show_html(textview, tmpfp, conv);
355 while (fgets(buf, sizeof(buf), tmpfp) != NULL)
356 textview_write_line(textview, buf, conv);
360 conv_code_converter_destroy(conv);
365 #define TEXT_INSERT(str) \
366 gtk_text_insert(text, textview->msgfont, NULL, NULL, str, -1)
368 void textview_show_mime_part(TextView *textview, MimeInfo *partinfo)
372 if (!partinfo) return;
374 textview_set_font(textview, NULL);
375 text = GTK_TEXT(textview->text);
376 textview_clear(textview);
378 gtk_text_freeze(text);
380 TEXT_INSERT(_("To save this part, pop up the context menu with "));
381 TEXT_INSERT(_("right click and select `Save as...', "));
382 TEXT_INSERT(_("or press `y' key.\n\n"));
384 TEXT_INSERT(_("To display this part as a text message, select "));
385 TEXT_INSERT(_("`Display as text', or press `t' key.\n\n"));
387 TEXT_INSERT(_("To open this part with external program, select "));
388 TEXT_INSERT(_("`Open' or `Open with...', "));
389 TEXT_INSERT(_("or double-click, or click the center button, "));
390 TEXT_INSERT(_("or press `l' key."));
396 void textview_show_signature_part(TextView *textview, MimeInfo *partinfo)
400 if (!partinfo) return;
402 textview_set_font(textview, NULL);
403 text = GTK_TEXT(textview->text);
404 textview_clear(textview);
406 gtk_text_freeze(text);
408 if (partinfo->sigstatus_full == NULL) {
409 TEXT_INSERT(_("This signature has not been checked yet.\n"));
410 TEXT_INSERT(_("To check it, pop up the context menu with\n"));
411 TEXT_INSERT(_("right click and select `Check signature'.\n"));
413 TEXT_INSERT(partinfo->sigstatus_full);
418 #endif /* USE_GPGME */
422 static void textview_show_html(TextView *textview, FILE *fp,
429 parser = html_parser_new(fp, conv);
430 g_return_if_fail(parser != NULL);
432 while ((str = html_parse(parser)) != NULL) {
433 if (parser->state == HTML_HREF) {
434 /* first time : get and copy the URL */
436 /* ALF - the sylpheed html parser returns an empty string,
437 * if still inside an <a>, but already parsed past HREF */
438 str = strtok(str, " ");
441 /* the URL may (or not) be followed by the
443 str = strtok(NULL, "");
447 textview_write_link(textview, url, str, NULL);
454 textview_write_line(textview, str, NULL);
457 html_parser_destroy(parser);
460 /* get_uri_part() - retrieves a URI starting from scanpos.
461 Returns TRUE if succesful */
462 static gboolean get_uri_part(const gchar *start, const gchar *scanpos,
463 const gchar **bp, const gchar **ep)
467 g_return_val_if_fail(start != NULL, FALSE);
468 g_return_val_if_fail(scanpos != NULL, FALSE);
469 g_return_val_if_fail(bp != NULL, FALSE);
470 g_return_val_if_fail(ep != NULL, FALSE);
474 /* find end point of URI */
475 for (ep_ = scanpos; *ep_ != '\0'; ep_++) {
476 if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_))
480 /* no punctuation at end of string */
482 /* FIXME: this stripping of trailing punctuations may bite with other URIs.
483 * should pass some URI type to this function and decide on that whether
484 * to perform punctuation stripping */
486 #define IS_REAL_PUNCT(ch) \
487 (ispunct(ch) && ((ch) != '/'))
489 for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--)
499 static gchar *make_uri_string(const gchar *bp, const gchar *ep)
501 return g_strndup(bp, ep - bp);
504 /* valid mail address characters */
505 #define IS_RFC822_CHAR(ch) \
510 !strchr("()<>\"", (ch)))
512 #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"')
514 /* get_email_part() - retrieves an email address. Returns TRUE if succesful */
515 static gboolean get_email_part(const gchar *start, const gchar *scanpos,
516 const gchar **bp, const gchar **ep)
518 /* more complex than the uri part because we need to scan back and forward starting from
519 * the scan position. */
520 gboolean result = FALSE;
521 const gchar *bp_ = NULL;
522 const gchar *ep_ = NULL;
524 /* the informative part of the email address (describing the name
525 * of the email address owner) may contain quoted parts. the
526 * closure stack stores the last encountered quotes. */
527 gchar closure_stack[128];
528 gchar *ptr = closure_stack;
530 g_return_val_if_fail(start != NULL, FALSE);
531 g_return_val_if_fail(scanpos != NULL, FALSE);
532 g_return_val_if_fail(bp != NULL, FALSE);
533 g_return_val_if_fail(ep != NULL, FALSE);
535 /* scan start of address */
536 for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--)
539 /* TODO: should start with an alnum? */
541 for (; bp_ < scanpos && !isalnum(*bp_); bp_++)
544 if (bp_ != scanpos) {
545 /* scan end of address */
546 for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++)
549 /* TODO: really should terminate with an alnum? */
550 for (; ep_ > scanpos && !isalnum(*ep_); --ep_)
554 if (ep_ > scanpos + 1) {
561 if (!result) return FALSE;
563 /* skip if it's between quotes "'alfons@proteus.demon.nl'" <alfons@proteus.demon.nl> */
564 if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_))
567 /* see if this is <bracketed>; in this case we also scan for the informative part. */
568 if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>')
571 #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack)
572 #define IN_STACK() (ptr > closure_stack)
573 /* has underrun check */
574 #define POP_STACK() if(IN_STACK()) --ptr
575 /* has overrun check */
576 #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE
577 /* has underrun check */
578 #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0)
582 /* scan for the informative part. */
583 for (bp_ -= 2; bp_ >= start; bp_--) {
584 /* if closure on the stack keep scanning */
585 if (PEEK_STACK() == *bp_) {
589 if (*bp_ == '\'' || *bp_ == '"') {
594 /* if nothing in the closure stack, do the special conditions
595 * the following if..else expression simply checks whether
596 * a token is acceptable. if not acceptable, the clause
597 * should terminate the loop with a 'break' */
600 && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1)))
601 && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) {
602 /* hyphens are allowed, but only in
604 } else if (!ispunct(*bp_)) {
605 /* but anything not being a punctiation
608 break; /* anything else is rejected */
621 /* scan forward (should start with an alnum) */
622 for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++)
632 #undef IS_RFC822_CHAR
634 static gchar *make_email_string(const gchar *bp, const gchar *ep)
636 /* returns a mailto: URI; mailto: is also used to detect the
637 * uri type later on in the button_pressed signal handler */
641 tmp = g_strndup(bp, ep - bp);
642 result = g_strconcat("mailto:", tmp, NULL);
648 #define ADD_TXT_POS(bp_, ep_, pti_) \
649 if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \
651 last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \
654 g_warning("alloc error scanning URIs\n"); \
655 gtk_text_insert(text, textview->msgfont, fg_color, NULL, \
660 /* textview_make_clickable_parts() - colorizes clickable parts */
661 static void textview_make_clickable_parts(TextView *textview,
665 const gchar *linebuf)
667 /* parse table - in order of priority */
669 const gchar *needle; /* token */
671 /* token search function */
672 gchar *(*search) (const gchar *haystack,
673 const gchar *needle);
674 /* part parsing function */
675 gboolean (*parse) (const gchar *start,
676 const gchar *scanpos,
679 /* part to URI function */
680 gchar *(*build_uri) (const gchar *bp,
684 static struct table parser[] = {
685 {"http://", strcasestr, get_uri_part, make_uri_string},
686 {"https://", strcasestr, get_uri_part, make_uri_string},
687 {"ftp://", strcasestr, get_uri_part, make_uri_string},
688 {"mailto:", strcasestr, get_uri_part, make_uri_string},
689 {"@", strcasestr, get_email_part, make_email_string}
691 const gint PARSE_ELEMS = sizeof parser / sizeof parser[0];
694 const gchar *walk, *bp, *ep;
697 const gchar *bp, *ep; /* text position */
698 gint pti; /* index in parse table */
699 struct txtpos *next; /* next */
700 } head = {NULL, NULL, 0, NULL}, *last = &head;
702 GtkText *text = GTK_TEXT(textview->text);
704 /* parse for clickable parts, and build a list of begin and end positions */
705 for (walk = linebuf, n = 0;;) {
706 gint last_index = PARSE_ELEMS;
707 gchar *scanpos = NULL;
709 /* FIXME: this looks phony. scanning for anything in the parse table */
710 for (n = 0; n < PARSE_ELEMS; n++) {
713 tmp = parser[n].search(walk, parser[n].needle);
715 if (scanpos == NULL || tmp < scanpos) {
723 /* check if URI can be parsed */
724 if (parser[last_index].parse(linebuf, scanpos, &bp, &ep)
725 && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) {
726 ADD_TXT_POS(bp, ep, last_index);
730 strlen(parser[last_index].needle);
735 /* colorize this line */
737 const gchar *normal_text = linebuf;
740 for (last = head.next; last != NULL;
741 normal_text = last->ep, last = last->next) {
744 uri = g_new(RemoteURI, 1);
745 if (last->bp - normal_text > 0)
746 gtk_text_insert(text, font,
749 last->bp - normal_text);
750 uri->uri = parser[last->pti].build_uri(last->bp,
752 uri->start = gtk_text_get_point(text);
753 gtk_text_insert(text, font, uri_color,
754 NULL, last->bp, last->ep - last->bp);
755 uri->end = gtk_text_get_point(text);
757 g_slist_append(textview->uri_list, uri);
761 gtk_text_insert(text, font, fg_color,
762 NULL, normal_text, -1);
764 gtk_text_insert(text, font, fg_color, NULL, linebuf, -1);
769 /* This function writes str as a double-clickable link with the given url. */
770 static void textview_write_link(TextView *textview, const gchar *url,
771 const gchar *str, CodeConverter *conv)
773 GdkColor *link_color = NULL;
775 GtkText *text = GTK_TEXT(textview->text);
778 /* this part is taken from textview_write_line. Right now the only place
779 * that calls this function passes NULL for conv, but you never know. */
781 strncpy2(buf, str, sizeof(buf));
782 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
783 gtk_text_insert(text, textview->msgfont,
784 prefs_common.enable_color
785 ? &error_color : NULL, NULL,
786 "*** Warning: code conversion failed ***\n",
791 /* this part is based on the code in make_clickable_parts */
792 if (prefs_common.enable_color) {
793 link_color = &uri_color;
795 uri = g_new(RemoteURI, 1);
796 uri->uri = g_strdup(url);
797 uri->start = gtk_text_get_point(text);
798 gtk_text_insert(text, textview->msgfont, link_color, NULL, buf,
800 uri->end = gtk_text_get_point(text);
801 textview->uri_list = g_slist_append(textview->uri_list, uri);
804 static void textview_write_line(TextView *textview, const gchar *str,
807 GtkText *text = GTK_TEXT(textview->text);
810 gint quotelevel = -1;
813 strncpy2(buf, str, sizeof(buf));
814 else if (conv_convert(conv, buf, sizeof(buf), str) < 0) {
815 gtk_text_insert(text, textview->msgfont,
816 prefs_common.enable_color
817 ? &error_color : NULL, NULL,
818 "*** Warning: code conversion failed ***\n",
824 if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf);
827 /* change color of quotation
828 >, foo>, _> ... ok, <foo>, foo bar>, foo-> ... ng
829 Up to 3 levels of quotations are detected, and each
830 level is colored using a different color. */
831 if (prefs_common.enable_color && strchr(buf, '>')) {
832 quotelevel = get_quote_level(buf);
834 /* set up the correct foreground color */
835 if (quotelevel > 2) {
837 if (prefs_common.recycle_quote_colors)
844 if (quotelevel == -1)
847 fg_color = "e_colors[quotelevel];
849 if (prefs_common.head_space && spacingfont && buf[0] != '\n')
850 gtk_text_insert(text, spacingfont, NULL, NULL, " ", 1);
852 if (prefs_common.enable_color)
853 textview_make_clickable_parts(textview, textview->msgfont,
854 fg_color, &uri_color, buf);
856 textview_make_clickable_parts(textview, textview->msgfont,
857 fg_color, NULL, buf);
860 void textview_clear(TextView *textview)
862 GtkText *text = GTK_TEXT(textview->text);
864 gtk_text_freeze(text);
865 gtk_text_set_point(text, 0);
866 gtk_text_forward_delete(text, gtk_text_get_length(text));
869 textview_uri_list_remove_all(textview->uri_list);
870 textview->uri_list = NULL;
873 void textview_destroy(TextView *textview)
875 textview_uri_list_remove_all(textview->uri_list);
876 textview->uri_list = NULL;
878 if (!textview->scrolledwin_sb->parent)
879 gtk_widget_destroy(textview->scrolledwin_sb);
880 if (!textview->scrolledwin_mb->parent)
881 gtk_widget_destroy(textview->scrolledwin_mb);
883 if (textview->msgfont) {
884 textview->msgfont->ascent = textview->prev_ascent;
885 textview->msgfont->descent = textview->prev_descent;
886 gdk_font_unref(textview->msgfont);
888 if (textview->boldfont)
889 gdk_font_unref(textview->boldfont);
894 void textview_set_font(TextView *textview, const gchar *codeset)
896 gboolean use_fontset = TRUE;
898 /* In multi-byte mode, GtkText can't display 8bit characters
899 correctly, so it must be single-byte mode. */
900 if (MB_CUR_MAX > 1) {
902 if (!g_strncasecmp(codeset, "ISO-8859-", 9) ||
903 !g_strcasecmp(codeset, "BALTIC"))
905 else if (conv_get_current_charset() != C_EUC_JP &&
906 (!g_strncasecmp(codeset, "KOI8-", 5) ||
907 !g_strncasecmp(codeset, "CP", 2) ||
908 !g_strncasecmp(codeset, "WINDOWS-", 8)))
914 if (textview->text_is_mb && !use_fontset) {
917 parent = textview->scrolledwin_mb->parent;
918 gtk_editable_select_region
919 (GTK_EDITABLE(textview->text_mb), 0, 0);
920 gtk_container_remove(GTK_CONTAINER(parent),
921 textview->scrolledwin_mb);
922 gtk_container_add(GTK_CONTAINER(parent),
923 textview->scrolledwin_sb);
925 textview->text = textview->text_sb;
926 textview->text_is_mb = FALSE;
927 } else if (!textview->text_is_mb && use_fontset) {
930 parent = textview->scrolledwin_sb->parent;
931 gtk_editable_select_region
932 (GTK_EDITABLE(textview->text_sb), 0, 0);
933 gtk_container_remove(GTK_CONTAINER(parent),
934 textview->scrolledwin_sb);
935 gtk_container_add(GTK_CONTAINER(parent),
936 textview->scrolledwin_mb);
938 textview->text = textview->text_mb;
939 textview->text_is_mb = TRUE;
942 if (prefs_common.textfont) {
943 if (textview->msgfont) {
944 textview->msgfont->ascent = textview->prev_ascent;
945 textview->msgfont->descent = textview->prev_descent;
946 gdk_font_unref(textview->msgfont);
947 textview->msgfont = NULL;
951 gdk_fontset_load(prefs_common.textfont);
953 if (MB_CUR_MAX > 1) {
954 FONT_LOAD(textview->msgfont,
955 "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1");
957 FONT_LOAD(textview->msgfont,
958 prefs_common.textfont);
962 if (textview->msgfont) {
963 gint ascent, descent;
965 textview->prev_ascent = textview->msgfont->ascent;
966 textview->prev_descent = textview->msgfont->descent;
967 descent = prefs_common.line_space / 2;
968 ascent = prefs_common.line_space - descent;
969 textview->msgfont->ascent += ascent;
970 textview->msgfont->descent += descent;
974 if (!textview->boldfont)
975 FONT_LOAD(textview->boldfont, BOLD_FONT);
977 spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*");
996 void textview_set_position(TextView *textview, gint pos)
1000 gtk_text_get_length(GTK_TEXT(textview->text));
1002 textview->cur_pos = pos;
1006 static GPtrArray *textview_scan_header(TextView *textview, FILE *fp)
1008 gchar buf[BUFFSIZE];
1009 GPtrArray *headers, *sorted_headers;
1010 GSList *disphdr_list;
1014 g_return_val_if_fail(fp != NULL, NULL);
1016 if (!prefs_common.display_header) {
1017 while (fgets(buf, sizeof(buf), fp) != NULL)
1018 if (buf[0] == '\r' || buf[0] == '\n') break;
1022 headers = procheader_get_header_array_asis(fp);
1024 sorted_headers = g_ptr_array_new();
1026 for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL;
1027 disphdr_list = disphdr_list->next) {
1028 DisplayHeaderProp *dp =
1029 (DisplayHeaderProp *)disphdr_list->data;
1031 for (i = 0; i < headers->len; i++) {
1032 header = g_ptr_array_index(headers, i);
1034 if (procheader_headername_equal(header->name,
1037 procheader_header_free(header);
1039 g_ptr_array_add(sorted_headers, header);
1041 g_ptr_array_remove_index(headers, i);
1047 if (prefs_common.show_other_header) {
1048 for (i = 0; i < headers->len; i++) {
1049 header = g_ptr_array_index(headers, i);
1050 g_ptr_array_add(sorted_headers, header);
1054 g_ptr_array_free(headers, FALSE);
1056 return sorted_headers;
1059 static void textview_show_header(TextView *textview, GPtrArray *headers)
1061 GtkText *text = GTK_TEXT(textview->text);
1065 g_return_if_fail(headers != NULL);
1067 gtk_text_freeze(text);
1069 for (i = 0; i < headers->len; i++) {
1070 header = g_ptr_array_index(headers, i);
1071 g_return_if_fail(header->name != NULL);
1073 gtk_text_insert(text, textview->boldfont, NULL, NULL,
1075 if (header->name[strlen(header->name) - 1] != ' ')
1076 gtk_text_insert(text, textview->boldfont,
1077 NULL, NULL, " ", 1);
1079 if (procheader_headername_equal(header->name, "Subject") ||
1080 procheader_headername_equal(header->name, "From") ||
1081 procheader_headername_equal(header->name, "To") ||
1082 procheader_headername_equal(header->name, "Cc"))
1083 unfold_line(header->body);
1085 if (prefs_common.enable_color &&
1086 (procheader_headername_equal(header->name, "X-Mailer") ||
1087 procheader_headername_equal(header->name,
1089 strstr(header->body, "Sylpheed") != NULL)
1090 gtk_text_insert(text, NULL, &emphasis_color, NULL,
1092 else if (prefs_common.enable_color) {
1093 textview_make_clickable_parts(textview,
1094 NULL, NULL, &uri_color,
1097 textview_make_clickable_parts(textview,
1101 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1104 gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1);
1105 gtk_text_thaw(text);
1106 textview->body_pos = gtk_text_get_length(text);
1109 gboolean textview_search_string(TextView *textview, const gchar *str,
1112 GtkText *text = GTK_TEXT(textview->text);
1117 gboolean found = FALSE;
1119 g_return_val_if_fail(str != NULL, FALSE);
1121 wcs = strdup_mbstowcs(str);
1122 g_return_val_if_fail(wcs != NULL, FALSE);
1124 pos = textview->cur_pos;
1125 if (pos < textview->body_pos)
1126 pos = textview->body_pos;
1127 text_len = gtk_text_get_length(text);
1128 if (text_len - pos < len) {
1133 for (; pos < text_len; pos++) {
1134 if (text_len - pos < len) break;
1135 if (gtkut_text_match_string(text, pos, wcs, len, case_sens)
1137 gtk_editable_set_position(GTK_EDITABLE(text),
1139 gtk_editable_select_region(GTK_EDITABLE(text),
1141 textview_set_position(textview, pos + len);
1145 if (text_len - pos == len) break;
1152 gboolean textview_search_string_backward(TextView *textview, const gchar *str,
1155 GtkText *text = GTK_TEXT(textview->text);
1160 gboolean found = FALSE;
1162 g_return_val_if_fail(str != NULL, FALSE);
1164 wcs = strdup_mbstowcs(str);
1165 g_return_val_if_fail(wcs != NULL, FALSE);
1167 pos = textview->cur_pos;
1168 text_len = gtk_text_get_length(text);
1169 if (text_len - textview->body_pos < len) {
1173 if (pos <= textview->body_pos || text_len - pos < len)
1174 pos = text_len - len;
1176 for (; pos >= textview->body_pos; pos--) {
1177 if (gtkut_text_match_string(text, pos, wcs, len, case_sens)
1179 gtk_editable_set_position(GTK_EDITABLE(text), pos);
1180 gtk_editable_select_region(GTK_EDITABLE(text),
1182 textview_set_position(textview, pos - 1);
1186 if (pos == textview->body_pos) break;
1193 void textview_scroll_one_line(TextView *textview, gboolean up)
1195 GtkText *text = GTK_TEXT(textview->text);
1198 if (prefs_common.enable_smooth_scroll) {
1199 textview_smooth_scroll_one_line(textview, up);
1204 upper = text->vadj->upper - text->vadj->page_size;
1205 if (text->vadj->value < upper) {
1206 text->vadj->value +=
1207 text->vadj->step_increment * 4;
1209 MIN(text->vadj->value, upper);
1210 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1214 if (text->vadj->value > 0.0) {
1215 text->vadj->value -=
1216 text->vadj->step_increment * 4;
1218 MAX(text->vadj->value, 0.0);
1219 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1225 gboolean textview_scroll_page(TextView *textview, gboolean up)
1227 GtkText *text = GTK_TEXT(textview->text);
1231 if (prefs_common.enable_smooth_scroll)
1232 return textview_smooth_scroll_page(textview, up);
1234 if (prefs_common.scroll_halfpage)
1235 page_incr = text->vadj->page_increment / 2;
1237 page_incr = text->vadj->page_increment;
1240 upper = text->vadj->upper - text->vadj->page_size;
1241 if (text->vadj->value < upper) {
1242 text->vadj->value += page_incr;
1243 text->vadj->value = MIN(text->vadj->value, upper);
1244 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1249 if (text->vadj->value > 0.0) {
1250 text->vadj->value -= page_incr;
1251 text->vadj->value = MAX(text->vadj->value, 0.0);
1252 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1261 static void textview_smooth_scroll_do(TextView *textview,
1262 gfloat old_value, gfloat last_value,
1265 GtkText *text = GTK_TEXT(textview->text);
1270 if (old_value < last_value) {
1271 change_value = last_value - old_value;
1274 change_value = old_value - last_value;
1278 gdk_key_repeat_disable();
1280 for (i = step; i <= change_value; i += step) {
1281 text->vadj->value = old_value + (up ? -i : i);
1282 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj),
1286 text->vadj->value = last_value;
1287 gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed");
1289 gdk_key_repeat_restore();
1292 static void textview_smooth_scroll_one_line(TextView *textview, gboolean up)
1294 GtkText *text = GTK_TEXT(textview->text);
1300 upper = text->vadj->upper - text->vadj->page_size;
1301 if (text->vadj->value < upper) {
1302 old_value = text->vadj->value;
1303 last_value = text->vadj->value +
1304 text->vadj->step_increment * 4;
1305 last_value = MIN(last_value, upper);
1307 textview_smooth_scroll_do(textview, old_value,
1309 prefs_common.scroll_step);
1312 if (text->vadj->value > 0.0) {
1313 old_value = text->vadj->value;
1314 last_value = text->vadj->value -
1315 text->vadj->step_increment * 4;
1316 last_value = MAX(last_value, 0.0);
1318 textview_smooth_scroll_do(textview, old_value,
1320 prefs_common.scroll_step);
1325 static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up)
1327 GtkText *text = GTK_TEXT(textview->text);
1333 if (prefs_common.scroll_halfpage)
1334 page_incr = text->vadj->page_increment / 2;
1336 page_incr = text->vadj->page_increment;
1339 upper = text->vadj->upper - text->vadj->page_size;
1340 if (text->vadj->value < upper) {
1341 old_value = text->vadj->value;
1342 last_value = text->vadj->value + page_incr;
1343 last_value = MIN(last_value, upper);
1345 textview_smooth_scroll_do(textview, old_value,
1347 prefs_common.scroll_step);
1351 if (text->vadj->value > 0.0) {
1352 old_value = text->vadj->value;
1353 last_value = text->vadj->value - page_incr;
1354 last_value = MAX(last_value, 0.0);
1356 textview_smooth_scroll_do(textview, old_value,
1358 prefs_common.scroll_step);
1366 static void textview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1369 SummaryView *summaryview = NULL;
1372 if (textview->messageview->mainwin)
1373 summaryview = textview->messageview->mainwin->summaryview;
1375 switch (event->keyval) {
1390 summary_pass_key_press_event(summaryview, event);
1392 textview_scroll_page(textview, FALSE);
1395 textview_scroll_page(textview, TRUE);
1398 textview_scroll_one_line(textview,
1399 (event->state & GDK_MOD1_MASK) != 0);
1403 summary_pass_key_press_event(summaryview, event);
1408 static void textview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1412 gtk_editable_get_position(GTK_EDITABLE(textview->text));
1415 ((event->button == 1 && event->type == GDK_2BUTTON_PRESS)
1416 || event->button == 2 || event->button == 3)) {
1419 /* double click seems to set the cursor after the current
1420 * word. The cursor position needs fixing, otherwise the
1421 * last word of a clickable zone will not work */
1422 if (event->button == 1 && event->type == GDK_2BUTTON_PRESS) {
1423 textview->cur_pos--;
1426 for (cur = textview->uri_list; cur != NULL; cur = cur->next) {
1427 RemoteURI *uri = (RemoteURI *)cur->data;
1429 if (textview->cur_pos >= uri->start &&
1430 textview->cur_pos < uri->end) {
1431 if (!g_strncasecmp(uri->uri, "mailto:", 7)) {
1432 if (event->button == 3) {
1433 gchar *fromname, *fromaddress;
1435 fromaddress = g_strdup(uri->uri + 7);
1436 /* Hiroyuki: please put this function in utils.c! */
1437 fromname = procheader_get_fromname(fromaddress);
1438 extract_address(fromaddress);
1439 g_message("adding from textview %s <%s>", fromname, fromaddress);
1440 // Add to address book - Match
1441 addressbook_add_contact( fromname, fromaddress, NULL );
1442 g_free(fromaddress);
1445 compose_new_with_recipient
1446 (NULL, uri->uri + 7);
1450 prefs_common.uri_cmd);
1457 static void textview_uri_list_remove_all(GSList *uri_list)
1461 for (cur = uri_list; cur != NULL; cur = cur->next) {
1463 g_free(((RemoteURI *)cur->data)->uri);
1468 g_slist_free(uri_list);