/* * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client * Copyright (C) 1999-2001 Hiroyuki Yamamoto * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "defs.h" #include #include #include #include #include #include #include #include #include #include #include #include "intl.h" #include "main.h" #include "summaryview.h" #include "procheader.h" #include "prefs_common.h" #include "codeconv.h" #include "utils.h" #include "gtkutils.h" #include "procmime.h" #include "html.h" #include "compose.h" #include "addressbook.h" #include "displayheader.h" #define FONT_LOAD(font, s) \ { \ gchar *fontstr, *p; \ \ Xstrdup_a(fontstr, s, ); \ if ((p = strchr(fontstr, ',')) != NULL) *p = '\0'; \ font = gdk_font_load(fontstr); \ } typedef struct _RemoteURI RemoteURI; struct _RemoteURI { gchar *uri; guint start; guint end; }; static GdkColor quote_colors[3] = { {(gulong)0, (gushort)0, (gushort)0, (gushort)0}, {(gulong)0, (gushort)0, (gushort)0, (gushort)0}, {(gulong)0, (gushort)0, (gushort)0, (gushort)0} }; static GdkColor uri_color = { (gulong)0, (gushort)0, (gushort)0, (gushort)0 }; static GdkColor emphasis_color = { (gulong)0, (gushort)0, (gushort)0, (gushort)0xcfff }; static GdkColor error_color = { (gulong)0, (gushort)0xefff, (gushort)0, (gushort)0 }; static GdkFont *spacingfont; static void textview_show_html (TextView *textview, FILE *fp, CodeConverter *conv); static void textview_write_line (TextView *textview, const gchar *str, CodeConverter *conv); static void textview_write_link (TextView *textview, const gchar *url, const gchar *str, CodeConverter *conv); static GPtrArray *textview_scan_header (TextView *textview, FILE *fp); static void textview_show_header (TextView *textview, GPtrArray *headers); static void textview_key_pressed (GtkWidget *widget, GdkEventKey *event, TextView *textview); static void textview_button_pressed (GtkWidget *widget, GdkEventButton *event, TextView *textview); static void textview_uri_list_remove_all(GSList *uri_list); static void textview_smooth_scroll_do (TextView *textview, gfloat old_value, gfloat last_value, gint step); static void textview_smooth_scroll_one_line (TextView *textview, gboolean up); static gboolean textview_smooth_scroll_page (TextView *textview, gboolean up); TextView *textview_create(void) { TextView *textview; GtkWidget *vbox; GtkWidget *scrolledwin_sb; GtkWidget *scrolledwin_mb; GtkWidget *text_sb; GtkWidget *text_mb; debug_print(_("Creating text view...\n")); textview = g_new0(TextView, 1); scrolledwin_sb = gtk_scrolled_window_new(NULL, NULL); scrolledwin_mb = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_sb), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin_mb), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); gtk_widget_set_usize(scrolledwin_sb, prefs_common.mainview_width, -1); gtk_widget_set_usize(scrolledwin_mb, prefs_common.mainview_width, -1); /* create GtkText widgets for single-byte and multi-byte character */ text_sb = gtk_text_new(NULL, NULL); text_mb = gtk_text_new(NULL, NULL); GTK_TEXT(text_sb)->default_tab_width = 8; GTK_TEXT(text_mb)->default_tab_width = 8; gtk_widget_show(text_sb); gtk_widget_show(text_mb); gtk_text_set_word_wrap(GTK_TEXT(text_sb), TRUE); gtk_text_set_word_wrap(GTK_TEXT(text_mb), TRUE); gtk_widget_ensure_style(text_sb); gtk_widget_ensure_style(text_mb); if (text_sb->style && text_sb->style->font->type == GDK_FONT_FONTSET) { GtkStyle *style; style = gtk_style_copy(text_sb->style); gdk_font_unref(style->font); FONT_LOAD(style->font, NORMAL_FONT); gtk_widget_set_style(text_sb, style); } if (text_mb->style && text_mb->style->font->type == GDK_FONT_FONT) { GtkStyle *style; style = gtk_style_copy(text_mb->style); gdk_font_unref(style->font); style->font = gdk_fontset_load(NORMAL_FONT); gtk_widget_set_style(text_mb, style); } gtk_widget_ref(scrolledwin_sb); gtk_widget_ref(scrolledwin_mb); gtk_container_add(GTK_CONTAINER(scrolledwin_sb), text_sb); gtk_container_add(GTK_CONTAINER(scrolledwin_mb), text_mb); gtk_signal_connect(GTK_OBJECT(text_sb), "key_press_event", GTK_SIGNAL_FUNC(textview_key_pressed), textview); gtk_signal_connect_after(GTK_OBJECT(text_sb), "button_press_event", GTK_SIGNAL_FUNC(textview_button_pressed), textview); gtk_signal_connect(GTK_OBJECT(text_mb), "key_press_event", GTK_SIGNAL_FUNC(textview_key_pressed), textview); gtk_signal_connect_after(GTK_OBJECT(text_mb), "button_press_event", GTK_SIGNAL_FUNC(textview_button_pressed), textview); gtk_widget_show(scrolledwin_sb); gtk_widget_show(scrolledwin_mb); vbox = gtk_vbox_new(FALSE, 0); gtk_box_pack_start(GTK_BOX(vbox), scrolledwin_sb, TRUE, TRUE, 0); textview->vbox = vbox; textview->scrolledwin = scrolledwin_sb; textview->scrolledwin_sb = scrolledwin_sb; textview->scrolledwin_mb = scrolledwin_mb; textview->text = text_sb; textview->text_sb = text_sb; textview->text_mb = text_mb; textview->text_is_mb = FALSE; textview->uri_list = NULL; textview->body_pos = 0; textview->cur_pos = 0; return textview; } void textview_init(TextView *textview) { gtkut_widget_disable_theme_engine(textview->text_sb); gtkut_widget_disable_theme_engine(textview->text_mb); textview_update_message_colors(); textview_set_font(textview, NULL); } void textview_update_message_colors(void) { GdkColor black = {0, 0, 0, 0}; if (prefs_common.enable_color) { /* grab the quote colors, converting from an int to a GdkColor */ gtkut_convert_int_to_gdk_color(prefs_common.quote_level1_col, "e_colors[0]); gtkut_convert_int_to_gdk_color(prefs_common.quote_level2_col, "e_colors[1]); gtkut_convert_int_to_gdk_color(prefs_common.quote_level3_col, "e_colors[2]); gtkut_convert_int_to_gdk_color(prefs_common.uri_col, &uri_color); } else { quote_colors[0] = quote_colors[1] = quote_colors[2] = uri_color = emphasis_color = black; } } void textview_show_message(TextView *textview, MimeInfo *mimeinfo, const gchar *file) { FILE *fp; if ((fp = fopen(file, "r")) == NULL) { FILE_OP_ERROR(file, "fopen"); return; } textview_show_part(textview, mimeinfo, fp); fclose(fp); } void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp) { GtkText *text; gchar buf[BUFFSIZE]; const gchar *boundary = NULL; gint boundary_len = 0; const gchar *charset = NULL; FILE *tmpfp; GPtrArray *headers = NULL; CodeConverter *conv; g_return_if_fail(mimeinfo != NULL); g_return_if_fail(fp != NULL); if (mimeinfo->mime_type == MIME_MULTIPART) { if (mimeinfo->sub) { mimeinfo = mimeinfo->sub; if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) { perror("fseek"); return; } } else return; } if (mimeinfo->parent && mimeinfo->parent->boundary) { boundary = mimeinfo->parent->boundary; boundary_len = strlen(boundary); } if (!boundary && mimeinfo->mime_type == MIME_TEXT) { if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) perror("fseek"); headers = textview_scan_header(textview, fp); } else { if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) { glong fpos; MimeInfo *parent = mimeinfo->parent; while (parent->parent) parent = parent->parent; if ((fpos = ftell(fp)) < 0) perror("ftell"); else if (fseek(fp, parent->fpos, SEEK_SET) < 0) perror("fseek"); else { headers = textview_scan_header(textview, fp); if (fseek(fp, fpos, SEEK_SET) < 0) perror("fseek"); } } while (fgets(buf, sizeof(buf), fp) != NULL) if (buf[0] == '\r' || buf[0] == '\n') break; } /* display attached RFC822 single text message */ if (mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) { if (headers) procheader_header_array_destroy(headers); if (!mimeinfo->sub || mimeinfo->sub->children) return; headers = textview_scan_header(textview, fp); mimeinfo = mimeinfo->sub; } else if (!mimeinfo->parent && mimeinfo->mime_type == MIME_MESSAGE_RFC822) { if (headers) procheader_header_array_destroy(headers); if (!mimeinfo->sub) return; headers = textview_scan_header(textview, fp); mimeinfo = mimeinfo->sub; } if (prefs_common.force_charset) charset = prefs_common.force_charset; else if (mimeinfo->charset) charset = mimeinfo->charset; textview_set_font(textview, charset); conv = conv_code_converter_new(charset); textview_clear(textview); text = GTK_TEXT(textview->text); gtk_text_freeze(text); textview->body_pos = 0; textview->cur_pos = 0; if (headers) { textview_show_header(textview, headers); procheader_header_array_destroy(headers); } tmpfp = procmime_decode_content(NULL, fp, mimeinfo); if (tmpfp) { if (mimeinfo->mime_type == MIME_TEXT_HTML) textview_show_html(textview, tmpfp, conv); else while (fgets(buf, sizeof(buf), tmpfp) != NULL) textview_write_line(textview, buf, conv); fclose(tmpfp); } conv_code_converter_destroy(conv); gtk_text_thaw(text); } #define TEXT_INSERT(str) \ gtk_text_insert(text, textview->msgfont, NULL, NULL, str, -1) void textview_show_mime_part(TextView *textview, MimeInfo *partinfo) { GtkText *text; if (!partinfo) return; textview_set_font(textview, NULL); text = GTK_TEXT(textview->text); textview_clear(textview); gtk_text_freeze(text); TEXT_INSERT(_("To save this part, pop up the context menu with ")); TEXT_INSERT(_("right click and select `Save as...', ")); TEXT_INSERT(_("or press `y' key.\n\n")); TEXT_INSERT(_("To display this part as a text message, select ")); TEXT_INSERT(_("`Display as text', or press `t' key.\n\n")); TEXT_INSERT(_("To open this part with external program, select ")); TEXT_INSERT(_("`Open' or `Open with...', ")); TEXT_INSERT(_("or double-click, or click the center button, ")); TEXT_INSERT(_("or press `l' key.")); gtk_text_thaw(text); } #if USE_GPGME void textview_show_signature_part(TextView *textview, MimeInfo *partinfo) { GtkText *text; if (!partinfo) return; textview_set_font(textview, NULL); text = GTK_TEXT(textview->text); textview_clear(textview); gtk_text_freeze(text); if (partinfo->sigstatus_full == NULL) { TEXT_INSERT(_("This signature has not been checked yet.\n")); TEXT_INSERT(_("To check it, pop up the context menu with\n")); TEXT_INSERT(_("right click and select `Check signature'.\n")); } else { TEXT_INSERT(partinfo->sigstatus_full); } gtk_text_thaw(text); } #endif /* USE_GPGME */ #undef TEXT_INSERT static void textview_show_html(TextView *textview, FILE *fp, CodeConverter *conv) { HTMLParser *parser; gchar *str; gchar* url = NULL; parser = html_parser_new(fp, conv); g_return_if_fail(parser != NULL); while ((str = html_parse(parser)) != NULL) { if (parser->state == HTML_HREF) { /* first time : get and copy the URL */ if (url == NULL) { /* ALF - the sylpheed html parser returns an empty string, * if still inside an , but already parsed past HREF */ str = strtok(str, " "); if (str) { url = strdup(str); /* the URL may (or not) be followed by the * referenced text */ str = strtok(NULL, ""); } } if (str != NULL) { textview_write_link(textview, url, str, NULL); } } else { if (url != NULL) { free(url); url = NULL; } textview_write_line(textview, str, NULL); } } html_parser_destroy(parser); } /* get_uri_part() - retrieves a URI starting from scanpos. Returns TRUE if succesful */ static gboolean get_uri_part(const gchar *start, const gchar *scanpos, const gchar **bp, const gchar **ep) { const gchar *ep_; g_return_val_if_fail(start != NULL, FALSE); g_return_val_if_fail(scanpos != NULL, FALSE); g_return_val_if_fail(bp != NULL, FALSE); g_return_val_if_fail(ep != NULL, FALSE); *bp = scanpos; /* find end point of URI */ for (ep_ = scanpos; *ep_ != '\0'; ep_++) { if (!isgraph(*ep_) || !isascii(*ep_) || strchr("()<>\"", *ep_)) break; } /* no punctuation at end of string */ /* FIXME: this stripping of trailing punctuations may bite with other URIs. * should pass some URI type to this function and decide on that whether * to perform punctuation stripping */ #define IS_REAL_PUNCT(ch) \ (ispunct(ch) && ((ch) != '/')) for (; ep_ - 1 > scanpos + 1 && IS_REAL_PUNCT(*(ep_ - 1)); ep_--) ; #undef IS_REAL_PUNCT *ep = ep_; return TRUE; } static gchar *make_uri_string(const gchar *bp, const gchar *ep) { return g_strndup(bp, ep - bp); } /* valid mail address characters */ #define IS_RFC822_CHAR(ch) \ (isascii(ch) && \ (ch) > 32 && \ (ch) != 127 && \ !isspace(ch) && \ !strchr("()<>\"", (ch))) #define IS_QUOTE(ch) ((ch) == '\'' || (ch) == '"') /* get_email_part() - retrieves an email address. Returns TRUE if succesful */ static gboolean get_email_part(const gchar *start, const gchar *scanpos, const gchar **bp, const gchar **ep) { /* more complex than the uri part because we need to scan back and forward starting from * the scan position. */ gboolean result = FALSE; const gchar *bp_ = NULL; const gchar *ep_ = NULL; /* the informative part of the email address (describing the name * of the email address owner) may contain quoted parts. the * closure stack stores the last encountered quotes. */ gchar closure_stack[128]; gchar *ptr = closure_stack; g_return_val_if_fail(start != NULL, FALSE); g_return_val_if_fail(scanpos != NULL, FALSE); g_return_val_if_fail(bp != NULL, FALSE); g_return_val_if_fail(ep != NULL, FALSE); /* scan start of address */ for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*bp_); bp_--) ; /* TODO: should start with an alnum? */ bp_++; for (; bp_ < scanpos && !isalnum(*bp_); bp_++) ; if (bp_ != scanpos) { /* scan end of address */ for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*ep_); ep_++) ; /* TODO: really should terminate with an alnum? */ for (; ep_ > scanpos && !isalnum(*ep_); --ep_) ; ep_++; if (ep_ > scanpos + 1) { *ep = ep_; *bp = bp_; result = TRUE; } } if (!result) return FALSE; /* skip if it's between quotes "'alfons@proteus.demon.nl'" */ if (bp_ - 1 > start && IS_QUOTE(*(bp_ - 1)) && IS_QUOTE(*ep_)) return FALSE; /* see if this is ; in this case we also scan for the informative part. */ if (bp_ - 1 <= start || *(bp_ - 1) != '<' || *ep_ != '>') return TRUE; #define FULL_STACK() ((size_t) (ptr - closure_stack) >= sizeof closure_stack) #define IN_STACK() (ptr > closure_stack) /* has underrun check */ #define POP_STACK() if(IN_STACK()) --ptr /* has overrun check */ #define PUSH_STACK(c) if(!FULL_STACK()) *ptr++ = (c); else return TRUE /* has underrun check */ #define PEEK_STACK() (IN_STACK() ? *(ptr - 1) : 0) ep_++; /* scan for the informative part. */ for (bp_ -= 2; bp_ >= start; bp_--) { /* if closure on the stack keep scanning */ if (PEEK_STACK() == *bp_) { POP_STACK(); continue; } if (*bp_ == '\'' || *bp_ == '"') { PUSH_STACK(*bp_); continue; } /* if nothing in the closure stack, do the special conditions * the following if..else expression simply checks whether * a token is acceptable. if not acceptable, the clause * should terminate the loop with a 'break' */ if (!PEEK_STACK()) { if (*bp_ == '-' && (((bp_ - 1) >= start) && isalnum(*(bp_ - 1))) && (((bp_ + 1) < ep_) && isalnum(*(bp_ + 1)))) { /* hyphens are allowed, but only in between alnums */ } else if (!ispunct(*bp_)) { /* but anything not being a punctiation is ok */ } else { break; /* anything else is rejected */ } } } bp_++; #undef PEEK_STACK #undef PUSH_STACK #undef POP_STACK #undef IN_STACK #undef FULL_STACK /* scan forward (should start with an alnum) */ for (; *bp_ != '<' && isspace(*bp_) && *bp_ != '"'; bp_++) ; *ep = ep_; *bp = bp_; return result; } #undef IS_QUOTE #undef IS_RFC822_CHAR static gchar *make_email_string(const gchar *bp, const gchar *ep) { /* returns a mailto: URI; mailto: is also used to detect the * uri type later on in the button_pressed signal handler */ gchar *tmp; gchar *result; tmp = g_strndup(bp, ep - bp); result = g_strconcat("mailto:", tmp, NULL); g_free(tmp); return result; } #define ADD_TXT_POS(bp_, ep_, pti_) \ if ((last->next = alloca(sizeof(struct txtpos))) != NULL) { \ last = last->next; \ last->bp = (bp_); last->ep = (ep_); last->pti = (pti_); \ last->next = NULL; \ } else { \ g_warning("alloc error scanning URIs\n"); \ gtk_text_insert(text, textview->msgfont, fg_color, NULL, \ linebuf, -1); \ return; \ } /* textview_make_clickable_parts() - colorizes clickable parts */ static void textview_make_clickable_parts(TextView *textview, GdkFont *font, GdkColor *fg_color, GdkColor *uri_color, const gchar *linebuf) { /* parse table - in order of priority */ struct table { const gchar *needle; /* token */ /* token search function */ gchar *(*search) (const gchar *haystack, const gchar *needle); /* part parsing function */ gboolean (*parse) (const gchar *start, const gchar *scanpos, const gchar **bp_, const gchar **ep_); /* part to URI function */ gchar *(*build_uri) (const gchar *bp, const gchar *ep); }; static struct table parser[] = { {"http://", strcasestr, get_uri_part, make_uri_string}, {"https://", strcasestr, get_uri_part, make_uri_string}, {"ftp://", strcasestr, get_uri_part, make_uri_string}, {"mailto:", strcasestr, get_uri_part, make_uri_string}, {"@", strcasestr, get_email_part, make_email_string} }; const gint PARSE_ELEMS = sizeof parser / sizeof parser[0]; gint n; const gchar *walk, *bp, *ep; struct txtpos { const gchar *bp, *ep; /* text position */ gint pti; /* index in parse table */ struct txtpos *next; /* next */ } head = {NULL, NULL, 0, NULL}, *last = &head; GtkText *text = GTK_TEXT(textview->text); /* parse for clickable parts, and build a list of begin and end positions */ for (walk = linebuf, n = 0;;) { gint last_index = PARSE_ELEMS; gchar *scanpos = NULL; /* FIXME: this looks phony. scanning for anything in the parse table */ for (n = 0; n < PARSE_ELEMS; n++) { gchar *tmp; tmp = parser[n].search(walk, parser[n].needle); if (tmp) { if (scanpos == NULL || tmp < scanpos) { scanpos = tmp; last_index = n; } } } if (scanpos) { /* check if URI can be parsed */ if (parser[last_index].parse(linebuf, scanpos, &bp, &ep) && (size_t) (ep - bp - 1) > strlen(parser[last_index].needle)) { ADD_TXT_POS(bp, ep, last_index); walk = ep; } else walk = scanpos + strlen(parser[last_index].needle); } else break; } /* colorize this line */ if (head.next) { const gchar *normal_text = linebuf; /* insert URIs */ for (last = head.next; last != NULL; normal_text = last->ep, last = last->next) { RemoteURI *uri; uri = g_new(RemoteURI, 1); if (last->bp - normal_text > 0) gtk_text_insert(text, font, fg_color, NULL, normal_text, last->bp - normal_text); uri->uri = parser[last->pti].build_uri(last->bp, last->ep); uri->start = gtk_text_get_point(text); gtk_text_insert(text, font, uri_color, NULL, last->bp, last->ep - last->bp); uri->end = gtk_text_get_point(text); textview->uri_list = g_slist_append(textview->uri_list, uri); } if (*normal_text) gtk_text_insert(text, font, fg_color, NULL, normal_text, -1); } else gtk_text_insert(text, font, fg_color, NULL, linebuf, -1); } #undef ADD_TXT_POS /* This function writes str as a double-clickable link with the given url. */ static void textview_write_link(TextView *textview, const gchar *url, const gchar *str, CodeConverter *conv) { GdkColor *link_color = NULL; RemoteURI* uri; GtkText *text = GTK_TEXT(textview->text); gchar buf[BUFFSIZE]; /* this part is taken from textview_write_line. Right now the only place * that calls this function passes NULL for conv, but you never know. */ if (!conv) strncpy2(buf, str, sizeof(buf)); else if (conv_convert(conv, buf, sizeof(buf), str) < 0) { gtk_text_insert(text, textview->msgfont, prefs_common.enable_color ? &error_color : NULL, NULL, "*** Warning: code conversion failed ***\n", -1); return; } /* this part is based on the code in make_clickable_parts */ if (prefs_common.enable_color) { link_color = &uri_color; } uri = g_new(RemoteURI, 1); uri->uri = g_strdup(url); uri->start = gtk_text_get_point(text); gtk_text_insert(text, textview->msgfont, link_color, NULL, buf, strlen(buf)); uri->end = gtk_text_get_point(text); textview->uri_list = g_slist_append(textview->uri_list, uri); } static void textview_write_line(TextView *textview, const gchar *str, CodeConverter *conv) { GtkText *text = GTK_TEXT(textview->text); gchar buf[BUFFSIZE]; GdkColor *fg_color; gint quotelevel = -1; if (!conv) strncpy2(buf, str, sizeof(buf)); else if (conv_convert(conv, buf, sizeof(buf), str) < 0) { gtk_text_insert(text, textview->msgfont, prefs_common.enable_color ? &error_color : NULL, NULL, "*** Warning: code conversion failed ***\n", -1); return; } strcrchomp(buf); if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf); fg_color = NULL; /* change color of quotation >, foo>, _> ... ok, , foo bar>, foo-> ... ng Up to 3 levels of quotations are detected, and each level is colored using a different color. */ if (prefs_common.enable_color && strchr(buf, '>')) { quotelevel = get_quote_level(buf); /* set up the correct foreground color */ if (quotelevel > 2) { /* recycle colors */ if (prefs_common.recycle_quote_colors) quotelevel %= 3; else quotelevel = 2; } } if (quotelevel == -1) fg_color = NULL; else fg_color = "e_colors[quotelevel]; if (prefs_common.head_space && spacingfont && buf[0] != '\n') gtk_text_insert(text, spacingfont, NULL, NULL, " ", 1); if (prefs_common.enable_color) textview_make_clickable_parts(textview, textview->msgfont, fg_color, &uri_color, buf); else textview_make_clickable_parts(textview, textview->msgfont, fg_color, NULL, buf); } void textview_clear(TextView *textview) { GtkText *text = GTK_TEXT(textview->text); gtk_text_freeze(text); gtk_text_set_point(text, 0); gtk_text_forward_delete(text, gtk_text_get_length(text)); gtk_text_thaw(text); textview_uri_list_remove_all(textview->uri_list); textview->uri_list = NULL; } void textview_destroy(TextView *textview) { textview_uri_list_remove_all(textview->uri_list); textview->uri_list = NULL; if (!textview->scrolledwin_sb->parent) gtk_widget_destroy(textview->scrolledwin_sb); if (!textview->scrolledwin_mb->parent) gtk_widget_destroy(textview->scrolledwin_mb); if (textview->msgfont) { textview->msgfont->ascent = textview->prev_ascent; textview->msgfont->descent = textview->prev_descent; gdk_font_unref(textview->msgfont); } if (textview->boldfont) gdk_font_unref(textview->boldfont); g_free(textview); } void textview_set_font(TextView *textview, const gchar *codeset) { gboolean use_fontset = TRUE; /* In multi-byte mode, GtkText can't display 8bit characters correctly, so it must be single-byte mode. */ if (MB_CUR_MAX > 1) { if (codeset) { if (!g_strncasecmp(codeset, "ISO-8859-", 9) || !g_strcasecmp(codeset, "BALTIC")) use_fontset = FALSE; else if (conv_get_current_charset() != C_EUC_JP && (!g_strncasecmp(codeset, "KOI8-", 5) || !g_strncasecmp(codeset, "CP", 2) || !g_strncasecmp(codeset, "WINDOWS-", 8))) use_fontset = FALSE; } } else use_fontset = FALSE; if (textview->text_is_mb && !use_fontset) { GtkWidget *parent; parent = textview->scrolledwin_mb->parent; gtk_editable_select_region (GTK_EDITABLE(textview->text_mb), 0, 0); gtk_container_remove(GTK_CONTAINER(parent), textview->scrolledwin_mb); gtk_container_add(GTK_CONTAINER(parent), textview->scrolledwin_sb); textview->text = textview->text_sb; textview->text_is_mb = FALSE; } else if (!textview->text_is_mb && use_fontset) { GtkWidget *parent; parent = textview->scrolledwin_sb->parent; gtk_editable_select_region (GTK_EDITABLE(textview->text_sb), 0, 0); gtk_container_remove(GTK_CONTAINER(parent), textview->scrolledwin_sb); gtk_container_add(GTK_CONTAINER(parent), textview->scrolledwin_mb); textview->text = textview->text_mb; textview->text_is_mb = TRUE; } if (prefs_common.textfont) { if (textview->msgfont) { textview->msgfont->ascent = textview->prev_ascent; textview->msgfont->descent = textview->prev_descent; gdk_font_unref(textview->msgfont); textview->msgfont = NULL; } if (use_fontset) textview->msgfont = gdk_fontset_load(prefs_common.textfont); else { if (MB_CUR_MAX > 1) { FONT_LOAD(textview->msgfont, "-*-courier-medium-r-normal--14-*-*-*-*-*-iso8859-1"); } else { FONT_LOAD(textview->msgfont, prefs_common.textfont); } } if (textview->msgfont) { gint ascent, descent; textview->prev_ascent = textview->msgfont->ascent; textview->prev_descent = textview->msgfont->descent; descent = prefs_common.line_space / 2; ascent = prefs_common.line_space - descent; textview->msgfont->ascent += ascent; textview->msgfont->descent += descent; } } if (!textview->boldfont) FONT_LOAD(textview->boldfont, BOLD_FONT); if (!spacingfont) spacingfont = gdk_font_load("-*-*-medium-r-normal--6-*"); } enum { H_DATE = 0, H_FROM = 1, H_TO = 2, H_NEWSGROUPS = 3, H_SUBJECT = 4, H_CC = 5, H_REPLY_TO = 6, H_FOLLOWUP_TO = 7, H_X_MAILER = 8, H_X_NEWSREADER = 9, H_USER_AGENT = 10, H_ORGANIZATION = 11, }; void textview_set_position(TextView *textview, gint pos) { if (pos < 0) { textview->cur_pos = gtk_text_get_length(GTK_TEXT(textview->text)); } else { textview->cur_pos = pos; } } static GPtrArray *textview_scan_header(TextView *textview, FILE *fp) { gchar buf[BUFFSIZE]; GPtrArray *headers, *sorted_headers; GSList *disphdr_list; Header *header; gint i; g_return_val_if_fail(fp != NULL, NULL); if (!prefs_common.display_header) { while (fgets(buf, sizeof(buf), fp) != NULL) if (buf[0] == '\r' || buf[0] == '\n') break; return NULL; } headers = procheader_get_header_array_asis(fp); sorted_headers = g_ptr_array_new(); for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL; disphdr_list = disphdr_list->next) { DisplayHeaderProp *dp = (DisplayHeaderProp *)disphdr_list->data; for (i = 0; i < headers->len; i++) { header = g_ptr_array_index(headers, i); if (procheader_headername_equal(header->name, dp->name)) { if (dp->hidden) procheader_header_free(header); else g_ptr_array_add(sorted_headers, header); g_ptr_array_remove_index(headers, i); i--; } } } if (prefs_common.show_other_header) { for (i = 0; i < headers->len; i++) { header = g_ptr_array_index(headers, i); g_ptr_array_add(sorted_headers, header); } } g_ptr_array_free(headers, FALSE); return sorted_headers; } static void textview_show_header(TextView *textview, GPtrArray *headers) { GtkText *text = GTK_TEXT(textview->text); Header *header; gint i; g_return_if_fail(headers != NULL); gtk_text_freeze(text); for (i = 0; i < headers->len; i++) { header = g_ptr_array_index(headers, i); g_return_if_fail(header->name != NULL); gtk_text_insert(text, textview->boldfont, NULL, NULL, header->name, -1); if (header->name[strlen(header->name) - 1] != ' ') gtk_text_insert(text, textview->boldfont, NULL, NULL, " ", 1); if (procheader_headername_equal(header->name, "Subject") || procheader_headername_equal(header->name, "From") || procheader_headername_equal(header->name, "To") || procheader_headername_equal(header->name, "Cc")) unfold_line(header->body); if (prefs_common.enable_color && (procheader_headername_equal(header->name, "X-Mailer") || procheader_headername_equal(header->name, "X-Newsreader")) && strstr(header->body, "Sylpheed") != NULL) gtk_text_insert(text, NULL, &emphasis_color, NULL, header->body, -1); else if (prefs_common.enable_color) { textview_make_clickable_parts(textview, NULL, NULL, &uri_color, header->body); } else { textview_make_clickable_parts(textview, NULL, NULL, NULL, header->body); } gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1); } gtk_text_insert(text, textview->msgfont, NULL, NULL, "\n", 1); gtk_text_thaw(text); textview->body_pos = gtk_text_get_length(text); } gboolean textview_search_string(TextView *textview, const gchar *str, gboolean case_sens) { GtkText *text = GTK_TEXT(textview->text); gint pos; wchar_t *wcs; gint len; gint text_len; gboolean found = FALSE; g_return_val_if_fail(str != NULL, FALSE); wcs = strdup_mbstowcs(str); g_return_val_if_fail(wcs != NULL, FALSE); len = wcslen(wcs); pos = textview->cur_pos; if (pos < textview->body_pos) pos = textview->body_pos; text_len = gtk_text_get_length(text); if (text_len - pos < len) { g_free(wcs); return FALSE; } for (; pos < text_len; pos++) { if (text_len - pos < len) break; if (gtkut_text_match_string(text, pos, wcs, len, case_sens) == TRUE) { gtk_editable_set_position(GTK_EDITABLE(text), pos + len); gtk_editable_select_region(GTK_EDITABLE(text), pos, pos + len); textview_set_position(textview, pos + len); found = TRUE; break; } if (text_len - pos == len) break; } g_free(wcs); return found; } gboolean textview_search_string_backward(TextView *textview, const gchar *str, gboolean case_sens) { GtkText *text = GTK_TEXT(textview->text); gint pos; wchar_t *wcs; gint len; gint text_len; gboolean found = FALSE; g_return_val_if_fail(str != NULL, FALSE); wcs = strdup_mbstowcs(str); g_return_val_if_fail(wcs != NULL, FALSE); len = wcslen(wcs); pos = textview->cur_pos; text_len = gtk_text_get_length(text); if (text_len - textview->body_pos < len) { g_free(wcs); return FALSE; } if (pos <= textview->body_pos || text_len - pos < len) pos = text_len - len; for (; pos >= textview->body_pos; pos--) { if (gtkut_text_match_string(text, pos, wcs, len, case_sens) == TRUE) { gtk_editable_set_position(GTK_EDITABLE(text), pos); gtk_editable_select_region(GTK_EDITABLE(text), pos, pos + len); textview_set_position(textview, pos - 1); found = TRUE; break; } if (pos == textview->body_pos) break; } g_free(wcs); return found; } void textview_scroll_one_line(TextView *textview, gboolean up) { GtkText *text = GTK_TEXT(textview->text); gfloat upper; if (prefs_common.enable_smooth_scroll) { textview_smooth_scroll_one_line(textview, up); return; } if (!up) { upper = text->vadj->upper - text->vadj->page_size; if (text->vadj->value < upper) { text->vadj->value += text->vadj->step_increment * 4; text->vadj->value = MIN(text->vadj->value, upper); gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed"); } } else { if (text->vadj->value > 0.0) { text->vadj->value -= text->vadj->step_increment * 4; text->vadj->value = MAX(text->vadj->value, 0.0); gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed"); } } } gboolean textview_scroll_page(TextView *textview, gboolean up) { GtkText *text = GTK_TEXT(textview->text); gfloat upper; gfloat page_incr; if (prefs_common.enable_smooth_scroll) return textview_smooth_scroll_page(textview, up); if (prefs_common.scroll_halfpage) page_incr = text->vadj->page_increment / 2; else page_incr = text->vadj->page_increment; if (!up) { upper = text->vadj->upper - text->vadj->page_size; if (text->vadj->value < upper) { text->vadj->value += page_incr; text->vadj->value = MIN(text->vadj->value, upper); gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed"); } else return FALSE; } else { if (text->vadj->value > 0.0) { text->vadj->value -= page_incr; text->vadj->value = MAX(text->vadj->value, 0.0); gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed"); } else return FALSE; } return TRUE; } static void textview_smooth_scroll_do(TextView *textview, gfloat old_value, gfloat last_value, gint step) { GtkText *text = GTK_TEXT(textview->text); gint change_value; gboolean up; gint i; if (old_value < last_value) { change_value = last_value - old_value; up = FALSE; } else { change_value = old_value - last_value; up = TRUE; } gdk_key_repeat_disable(); for (i = step; i <= change_value; i += step) { text->vadj->value = old_value + (up ? -i : i); gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed"); } text->vadj->value = last_value; gtk_signal_emit_by_name(GTK_OBJECT(text->vadj), "value_changed"); gdk_key_repeat_restore(); } static void textview_smooth_scroll_one_line(TextView *textview, gboolean up) { GtkText *text = GTK_TEXT(textview->text); gfloat upper; gfloat old_value; gfloat last_value; if (!up) { upper = text->vadj->upper - text->vadj->page_size; if (text->vadj->value < upper) { old_value = text->vadj->value; last_value = text->vadj->value + text->vadj->step_increment * 4; last_value = MIN(last_value, upper); textview_smooth_scroll_do(textview, old_value, last_value, prefs_common.scroll_step); } } else { if (text->vadj->value > 0.0) { old_value = text->vadj->value; last_value = text->vadj->value - text->vadj->step_increment * 4; last_value = MAX(last_value, 0.0); textview_smooth_scroll_do(textview, old_value, last_value, prefs_common.scroll_step); } } } static gboolean textview_smooth_scroll_page(TextView *textview, gboolean up) { GtkText *text = GTK_TEXT(textview->text); gfloat upper; gfloat page_incr; gfloat old_value; gfloat last_value; if (prefs_common.scroll_halfpage) page_incr = text->vadj->page_increment / 2; else page_incr = text->vadj->page_increment; if (!up) { upper = text->vadj->upper - text->vadj->page_size; if (text->vadj->value < upper) { old_value = text->vadj->value; last_value = text->vadj->value + page_incr; last_value = MIN(last_value, upper); textview_smooth_scroll_do(textview, old_value, last_value, prefs_common.scroll_step); } else return FALSE; } else { if (text->vadj->value > 0.0) { old_value = text->vadj->value; last_value = text->vadj->value - page_incr; last_value = MAX(last_value, 0.0); textview_smooth_scroll_do(textview, old_value, last_value, prefs_common.scroll_step); } else return FALSE; } return TRUE; } static void textview_key_pressed(GtkWidget *widget, GdkEventKey *event, TextView *textview) { SummaryView *summaryview = NULL; if (!event) return; if (textview->messageview->mainwin) summaryview = textview->messageview->mainwin->summaryview; switch (event->keyval) { case GDK_Tab: case GDK_Home: case GDK_Left: case GDK_Up: case GDK_Right: case GDK_Down: case GDK_Page_Up: case GDK_Page_Down: case GDK_End: case GDK_Control_L: case GDK_Control_R: break; case GDK_space: if (summaryview) summary_pass_key_press_event(summaryview, event); else textview_scroll_page(textview, FALSE); break; case GDK_BackSpace: textview_scroll_page(textview, TRUE); break; case GDK_Return: textview_scroll_one_line(textview, (event->state & GDK_MOD1_MASK) != 0); break; default: if (summaryview) summary_pass_key_press_event(summaryview, event); break; } } static void textview_button_pressed(GtkWidget *widget, GdkEventButton *event, TextView *textview) { textview->cur_pos = gtk_editable_get_position(GTK_EDITABLE(textview->text)); if (event && ((event->button == 1 && event->type == GDK_2BUTTON_PRESS) || event->button == 2 || event->button == 3)) { GSList *cur; /* double click seems to set the cursor after the current * word. The cursor position needs fixing, otherwise the * last word of a clickable zone will not work */ if (event->button == 1 && event->type == GDK_2BUTTON_PRESS) { textview->cur_pos--; } for (cur = textview->uri_list; cur != NULL; cur = cur->next) { RemoteURI *uri = (RemoteURI *)cur->data; if (textview->cur_pos >= uri->start && textview->cur_pos < uri->end) { if (!g_strncasecmp(uri->uri, "mailto:", 7)) { if (event->button == 3) { gchar *fromname, *fromaddress; /* extract url */ fromaddress = g_strdup(uri->uri + 7); /* Hiroyuki: please put this function in utils.c! */ fromname = procheader_get_fromname(fromaddress); extract_address(fromaddress); g_message("adding from textview %s <%s>", fromname, fromaddress); // Add to address book - Match addressbook_add_contact( fromname, fromaddress, NULL ); g_free(fromaddress); g_free(fromname); } else { compose_new_with_recipient (NULL, uri->uri + 7); } } else { open_uri(uri->uri, prefs_common.uri_cmd); } } } } } static void textview_uri_list_remove_all(GSList *uri_list) { GSList *cur; for (cur = uri_list; cur != NULL; cur = cur->next) { if (cur->data) { g_free(((RemoteURI *)cur->data)->uri); g_free(cur->data); } } g_slist_free(uri_list); }