/* * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client * Copyright (C) 1999-2005 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 #include #include #include #include #include "main.h" #include "summaryview.h" #include "imageview.h" #include "procheader.h" #include "prefs_common.h" #include "codeconv.h" #include "statusbar.h" #include "utils.h" #include "gtkutils.h" #include "procmime.h" #include "account.h" #include "html.h" #include "compose.h" #include "displayheader.h" #include "filesel.h" #include "alertpanel.h" typedef struct _RemoteURI RemoteURI; struct _RemoteURI { gchar *uri; gchar *filename; 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 }; #if 0 static GdkColor error_color = { (gulong)0, (gushort)0xefff, (gushort)0, (gushort)0 }; #endif #if USE_GPGME static GdkColor good_sig_color = { (gulong)0, (gushort)0, (gushort)0xbfff, (gushort)0 }; static GdkColor untrusted_sig_color = { (gulong)0, (gushort)0xefff, (gushort)0, (gushort)0 }; static GdkColor nocheck_sig_color = { (gulong)0, (gushort)0, (gushort)0, (gushort)0xcfff }; static GdkColor bad_sig_color = { (gulong)0, (gushort)0xefff, (gushort)0, (gushort)0 }; #endif #define STATUSBAR_PUSH(textview, str) \ { \ gtk_statusbar_push(GTK_STATUSBAR(textview->messageview->statusbar), \ textview->messageview->statusbar_cid, str); \ } #define STATUSBAR_POP(textview) \ { \ gtk_statusbar_pop(GTK_STATUSBAR(textview->messageview->statusbar), \ textview->messageview->statusbar_cid); \ } static GdkCursor *hand_cursor = NULL; static GdkCursor *regular_cursor = NULL; static void textview_add_part (TextView *textview, MimeInfo *mimeinfo, FILE *fp); static void textview_add_parts (TextView *textview, MimeInfo *mimeinfo, FILE *fp); static void textview_write_body (TextView *textview, MimeInfo *mimeinfo, FILE *fp, const gchar *charset); 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 *str, const gchar *uri, CodeConverter *conv); static GPtrArray *textview_scan_header (TextView *textview, FILE *fp, const gchar *encoding); static void textview_show_header (TextView *textview, GPtrArray *headers); static gboolean textview_key_pressed (GtkWidget *widget, GdkEventKey *event, TextView *textview); static gboolean textview_event_after (GtkWidget *widget, GdkEvent *event, TextView *textview); static gboolean textview_motion_notify (GtkWidget *widget, GdkEventMotion *event, TextView *textview); static gboolean textview_leave_notify (GtkWidget *widget, GdkEventCrossing *event, TextView *textview); static gboolean textview_visibility_notify (GtkWidget *widget, GdkEventVisibility *event, TextView *textview); static void textview_populate_popup (GtkWidget *widget, GtkMenu *menu, TextView *textview); static void textview_popup_menu_activate_open_uri_cb (GtkMenuItem *menuitem, gpointer data); static void textview_popup_menu_activate_add_address_cb (GtkMenuItem *menuitem, gpointer data); static void textview_popup_menu_activate_copy_cb(GtkMenuItem *menuitem, gpointer data); static void textview_popup_menu_activate_image_cb (GtkMenuItem *menuitem, gpointer data); static void textview_adj_value_changed (GtkAdjustment *adj, gpointer data); 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); static gboolean textview_get_link_tag_bounds (TextView *textview, GtkTextIter *iter, GtkTextIter *start, GtkTextIter *end); static RemoteURI *textview_get_uri (TextView *textview, GtkTextIter *start, GtkTextIter *end); static void textview_show_uri (TextView *textview, GtkTextIter *start, GtkTextIter *end); static void textview_set_cursor (TextView *textview, GtkTextView *text, gint x, gint y); static gboolean textview_uri_security_check (TextView *textview, RemoteURI *uri); static void textview_uri_list_remove_all (GSList *uri_list); TextView *textview_create(void) { TextView *textview; GtkWidget *vbox; GtkWidget *scrolledwin; GtkWidget *text; GtkTextBuffer *buffer; GtkClipboard *clipboard; debug_print(_("Creating text view...\n")); textview = g_new0(TextView, 1); scrolledwin = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin), GTK_SHADOW_IN); gtk_widget_set_size_request (scrolledwin, prefs_common.mainview_width, -1); text = gtk_text_view_new(); gtk_widget_add_events(text, GDK_LEAVE_NOTIFY_MASK); gtk_widget_show(text); gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE); gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD); gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6); gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6); buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text)); clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY); gtk_text_buffer_add_selection_clipboard(buffer, clipboard); gtk_widget_ref(scrolledwin); gtk_container_add(GTK_CONTAINER(scrolledwin), text); g_signal_connect(G_OBJECT(text), "key-press-event", G_CALLBACK(textview_key_pressed), textview); g_signal_connect(G_OBJECT(text), "event-after", G_CALLBACK(textview_event_after), textview); g_signal_connect(G_OBJECT(text), "motion-notify-event", G_CALLBACK(textview_motion_notify), textview); g_signal_connect(G_OBJECT(text), "leave-notify-event", G_CALLBACK(textview_leave_notify), textview); g_signal_connect(G_OBJECT(text), "visibility-notify-event", G_CALLBACK(textview_visibility_notify), textview); g_signal_connect(G_OBJECT(text), "populate-popup", G_CALLBACK(textview_populate_popup), textview); g_signal_connect(G_OBJECT(GTK_TEXT_VIEW(text)->vadjustment), "value-changed", G_CALLBACK(textview_adj_value_changed), textview); gtk_widget_show(scrolledwin); vbox = gtk_vbox_new(FALSE, 0); gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0); gtk_widget_show(vbox); textview->vbox = vbox; textview->scrolledwin = scrolledwin; textview->text = text; textview->uri_list = NULL; textview->body_pos = 0; textview->show_all_headers = FALSE; return textview; } static void textview_create_tags(TextView *textview) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkTextBuffer *buffer; static PangoFontDescription *font_desc; if (!font_desc) font_desc = gtkut_get_default_font_desc(); buffer = gtk_text_view_get_buffer(text); gtk_text_buffer_create_tag(buffer, "header", "pixels-above-lines", 1, "pixels-above-lines-set", TRUE, "pixels-below-lines", 0, "pixels-below-lines-set", TRUE, "font-desc", font_desc, NULL); gtk_text_buffer_create_tag(buffer, "header_title", "weight", PANGO_WEIGHT_BOLD, NULL); gtk_text_buffer_create_tag(buffer, "mimepart", "pixels-above-lines", 1, "pixels-above-lines-set", TRUE, "pixels-below-lines", 1, "pixels-below-lines-set", TRUE, "font-desc", font_desc, NULL); textview->quote0_tag = gtk_text_buffer_create_tag(buffer, "quote0", "foreground-gdk", "e_colors[0], NULL); textview->quote1_tag = gtk_text_buffer_create_tag(buffer, "quote1", "foreground-gdk", "e_colors[1], NULL); textview->quote2_tag = gtk_text_buffer_create_tag(buffer, "quote2", "foreground-gdk", "e_colors[2], NULL); textview->link_tag = gtk_text_buffer_create_tag(buffer, "link", "foreground-gdk", &uri_color, NULL); textview->hover_link_tag = gtk_text_buffer_create_tag(buffer, "hover-link", "foreground-gdk", &uri_color, "underline", PANGO_UNDERLINE_SINGLE, NULL); gtk_text_buffer_create_tag(buffer, "emphasis", "foreground-gdk", &emphasis_color, NULL); #if USE_GPGME gtk_text_buffer_create_tag(buffer, "good-signature", "foreground-gdk", &good_sig_color, NULL); gtk_text_buffer_create_tag(buffer, "untrusted-signature", "foreground-gdk", &untrusted_sig_color, NULL); gtk_text_buffer_create_tag(buffer, "bad-signature", "foreground-gdk", &bad_sig_color, NULL); gtk_text_buffer_create_tag(buffer, "nocheck-signature", "foreground-gdk", &nocheck_sig_color, NULL); #endif /* USE_GPGME */ } void textview_init(TextView *textview) { if (!hand_cursor) hand_cursor = gdk_cursor_new(GDK_HAND2); if (!regular_cursor) regular_cursor = gdk_cursor_new(GDK_XTERM); textview_create_tags(textview); textview_reflect_prefs(textview); textview_set_all_headers(textview, FALSE); textview_set_font(textview, NULL); } static 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; } } static void textview_update_tags(TextView *textview) { g_object_set(textview->quote0_tag, "foreground-gdk", "e_colors[0], NULL); g_object_set(textview->quote1_tag, "foreground-gdk", "e_colors[1], NULL); g_object_set(textview->quote2_tag, "foreground-gdk", "e_colors[2], NULL); g_object_set(textview->link_tag, "foreground-gdk", &uri_color, NULL); g_object_set(textview->hover_link_tag, "foreground-gdk", &uri_color, NULL); } void textview_reflect_prefs(TextView *textview) { textview_update_message_colors(); textview_update_tags(textview); gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textview->text), prefs_common.textview_cursor_visible); } void textview_show_message(TextView *textview, MimeInfo *mimeinfo, const gchar *file) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkTextBuffer *buffer; GtkTextMark *mark; GtkTextIter iter; FILE *fp; const gchar *charset = NULL; GPtrArray *headers = NULL; buffer = gtk_text_view_get_buffer(text); if ((fp = g_fopen(file, "rb")) == NULL) { FILE_OP_ERROR(file, "fopen"); return; } if (textview->messageview->forced_charset) charset = textview->messageview->forced_charset; else if (prefs_common.force_charset) charset = prefs_common.force_charset; else if (mimeinfo->charset) charset = mimeinfo->charset; textview_set_font(textview, charset); textview_clear(textview); if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) perror("fseek"); headers = textview_scan_header(textview, fp, charset); if (headers) { textview_show_header(textview, headers); procheader_header_array_destroy(headers); gtk_text_buffer_get_end_iter(buffer, &iter); textview->body_pos = gtk_text_iter_get_offset(&iter); } textview_add_parts(textview, mimeinfo, fp); fclose(fp); textview_set_position(textview, 0); mark = gtk_text_buffer_get_insert(buffer); gtk_text_view_scroll_mark_onscreen(text, mark); } void textview_show_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp) { gchar buf[BUFFSIZE]; const gchar *boundary = NULL; gint boundary_len = 0; const gchar *charset = NULL; GPtrArray *headers = NULL; gboolean is_rfc822_part = FALSE; g_return_if_fail(mimeinfo != NULL); g_return_if_fail(fp != NULL); if (mimeinfo->mime_type == MIME_MULTIPART) { textview_clear(textview); textview_add_parts(textview, mimeinfo, fp); return; } if (mimeinfo->parent && mimeinfo->parent->boundary) { boundary = mimeinfo->parent->boundary; boundary_len = strlen(boundary); } if (textview->messageview->forced_charset) charset = textview->messageview->forced_charset; else if (prefs_common.force_charset) charset = prefs_common.force_charset; else if (mimeinfo->charset) charset = mimeinfo->charset; if (!boundary && mimeinfo->mime_type == MIME_TEXT) { if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) perror("fseek"); headers = textview_scan_header(textview, fp, charset); } else { if (mimeinfo->mime_type == MIME_TEXT && mimeinfo->parent) { glong fpos; MimeInfo *parent = mimeinfo->parent; while (parent->parent) { if (parent->main && parent->main->mime_type == MIME_MESSAGE_RFC822) break; 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, charset); if (fseek(fp, fpos, SEEK_SET) < 0) perror("fseek"); } } /* skip MIME part headers */ while (fgets(buf, sizeof(buf), fp) != NULL) if (buf[0] == '\r' || buf[0] == '\n') break; } /* display attached RFC822 single text message */ if (mimeinfo->mime_type == MIME_MESSAGE_RFC822) { if (headers) procheader_header_array_destroy(headers); if (!mimeinfo->sub) { textview_clear(textview); return; } headers = textview_scan_header(textview, fp, charset); mimeinfo = mimeinfo->sub; is_rfc822_part = TRUE; } textview_set_font(textview, charset); textview_clear(textview); if (headers) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkTextBuffer *buffer; GtkTextIter iter; textview_show_header(textview, headers); procheader_header_array_destroy(headers); buffer = gtk_text_view_get_buffer(text); gtk_text_buffer_get_end_iter(buffer, &iter); textview->body_pos = gtk_text_iter_get_offset(&iter); if (!mimeinfo->main) gtk_text_buffer_insert(buffer, &iter, "\n", 1); } if (mimeinfo->mime_type == MIME_MULTIPART || is_rfc822_part) textview_add_parts(textview, mimeinfo, fp); else textview_write_body(textview, mimeinfo, fp, charset); } static void textview_add_part(TextView *textview, MimeInfo *mimeinfo, FILE *fp) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkTextBuffer *buffer; GtkTextIter iter; gchar buf[BUFFSIZE]; const gchar *boundary = NULL; gint boundary_len = 0; const gchar *charset = NULL; GPtrArray *headers = NULL; g_return_if_fail(mimeinfo != NULL); g_return_if_fail(fp != NULL); buffer = gtk_text_view_get_buffer(text); gtk_text_buffer_get_end_iter(buffer, &iter); if (mimeinfo->mime_type == MIME_MULTIPART) return; if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0) { perror("fseek"); return; } if (mimeinfo->parent && mimeinfo->parent->boundary) { boundary = mimeinfo->parent->boundary; boundary_len = strlen(boundary); } while (fgets(buf, sizeof(buf), fp) != NULL) if (buf[0] == '\r' || buf[0] == '\n') break; if (textview->messageview->forced_charset) charset = textview->messageview->forced_charset; else if (prefs_common.force_charset) charset = prefs_common.force_charset; else if (mimeinfo->charset) charset = mimeinfo->charset; if (mimeinfo->mime_type == MIME_MESSAGE_RFC822) { headers = textview_scan_header(textview, fp, charset); if (headers) { gtk_text_buffer_insert(buffer, &iter, "\n", 1); textview_show_header(textview, headers); procheader_header_array_destroy(headers); } return; } #if USE_GPGME if (mimeinfo->sigstatus) g_snprintf(buf, sizeof(buf), "\n[%s (%s)]\n", mimeinfo->content_type, mimeinfo->sigstatus); else #endif if (mimeinfo->filename || mimeinfo->name) g_snprintf(buf, sizeof(buf), "\n[%s %s (%s)]\n", mimeinfo->filename ? mimeinfo->filename : mimeinfo->name, mimeinfo->content_type, to_human_readable(mimeinfo->content_size)); else g_snprintf(buf, sizeof(buf), "\n[%s (%s)]\n", mimeinfo->content_type, to_human_readable(mimeinfo->content_size)); #if USE_GPGME if (mimeinfo->sigstatus) { const gchar *color; if (!strcmp(mimeinfo->sigstatus, _("Good signature"))) color = "good-signature"; else if (!strcmp(mimeinfo->sigstatus, _("Valid signature (untrusted key)"))) color = "untrusted-signature"; else if (!strcmp(mimeinfo->sigstatus, _("BAD signature"))) color = "bad-signature"; else color = "nocheck-signature"; gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, buf, -1, color, NULL); } else #endif if (mimeinfo->mime_type != MIME_TEXT && mimeinfo->mime_type != MIME_TEXT_HTML) { gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, buf, -1, "mimepart", NULL); if (mimeinfo->mime_type == MIME_IMAGE && prefs_common.inline_image) { GdkPixbuf *pixbuf; GError *error = NULL; gchar *filename; RemoteURI *uri; gchar *uri_str; filename = procmime_get_tmp_file_name(mimeinfo); if (procmime_get_part_fp(filename, fp, mimeinfo) < 0) { g_warning("Can't get the image file."); g_free(filename); return; } pixbuf = gdk_pixbuf_new_from_file(filename, &error); if (error != NULL) { g_warning("%s\n", error->message); g_error_free(error); } if (!pixbuf) { g_warning("Can't load the image."); g_free(filename); return; } if (prefs_common.resize_image) { GdkPixbuf *scaled; scaled = imageview_get_resized_pixbuf (pixbuf, textview->text, 8); g_object_unref(pixbuf); pixbuf = scaled; } uri_str = g_filename_to_uri(filename, NULL, NULL); if (uri_str) { uri = g_new(RemoteURI, 1); uri->uri = uri_str; uri->filename = procmime_get_part_file_name(mimeinfo); uri->start = gtk_text_iter_get_offset(&iter); uri->end = uri->start + 1; textview->uri_list = g_slist_append(textview->uri_list, uri); } gtk_text_buffer_insert_pixbuf(buffer, &iter, pixbuf); gtk_text_buffer_insert(buffer, &iter, "\n", 1); g_object_unref(pixbuf); g_free(filename); } } else { if (!mimeinfo->main && mimeinfo->parent && mimeinfo->parent->children != mimeinfo) gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, buf, -1, "mimepart", NULL); else gtk_text_buffer_insert(buffer, &iter, "\n", 1); textview_write_body(textview, mimeinfo, fp, charset); } } static void textview_add_parts(TextView *textview, MimeInfo *mimeinfo, FILE *fp) { gint level; g_return_if_fail(mimeinfo != NULL); g_return_if_fail(fp != NULL); level = mimeinfo->level; for (;;) { textview_add_part(textview, mimeinfo, fp); if (mimeinfo->parent && mimeinfo->parent->content_type && !g_ascii_strcasecmp(mimeinfo->parent->content_type, "multipart/alternative")) mimeinfo = mimeinfo->parent->next; else mimeinfo = procmime_mimeinfo_next(mimeinfo); if (!mimeinfo || mimeinfo->level <= level) break; } } void textview_show_error(TextView *textview) { GtkTextBuffer *buffer; GtkTextIter iter; textview_set_font(textview, NULL); textview_clear(textview); buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text)); gtk_text_buffer_get_start_iter(buffer, &iter); gtk_text_buffer_insert(buffer, &iter, _("This message can't be displayed.\n"), -1); } static void textview_write_body(TextView *textview, MimeInfo *mimeinfo, FILE *fp, const gchar *charset) { FILE *tmpfp; gchar buf[BUFFSIZE]; CodeConverter *conv; conv = conv_code_converter_new(charset, NULL); tmpfp = procmime_decode_content(NULL, fp, mimeinfo); if (tmpfp) { if (mimeinfo->mime_type == MIME_TEXT_HTML && prefs_common.render_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); } static void textview_show_html(TextView *textview, FILE *fp, CodeConverter *conv) { HTMLParser *parser; const gchar *str; parser = html_parser_new(fp, conv); g_return_if_fail(parser != NULL); while ((str = html_parse(parser)) != NULL) { if (parser->href != NULL) textview_write_link(textview, str, parser->href, NULL); else textview_write_line(textview, str, NULL); } textview_write_line(textview, "\n", 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(*(const guchar *)ep_) || !isascii(*(const guchar *)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(*(const guchar *)(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 && \ !g_ascii_isspace(ch) && \ !strchr("(),;<>\"", (ch))) /* alphabet and number within 7bit ASCII */ #define IS_ASCII_ALNUM(ch) (isascii(ch) && g_ascii_isalnum(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_; 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); /* scan start of address */ for (bp_ = scanpos - 1; bp_ >= start && IS_RFC822_CHAR(*(const guchar *)bp_); bp_--) ; /* TODO: should start with an alnum? */ bp_++; for (; bp_ < scanpos && !IS_ASCII_ALNUM(*(const guchar *)bp_); bp_++) ; if (bp_ != scanpos) { /* scan end of address */ for (ep_ = scanpos + 1; *ep_ && IS_RFC822_CHAR(*(const guchar *)ep_); ep_++) ; /* TODO: really should terminate with an alnum? */ for (; ep_ > scanpos && !IS_ASCII_ALNUM(*(const guchar *)ep_); --ep_) ; ep_++; if (ep_ > scanpos + 1) { *ep = ep_; *bp = bp_; result = TRUE; } } return result; } #undef IS_ASCII_ALNUM #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_buffer_insert_with_tags_by_name \ (buffer, &iter, linebuf, -1, fg_tag, NULL); \ return; \ } /* textview_make_clickable_parts() - colorizes clickable parts */ static void textview_make_clickable_parts(TextView *textview, const gchar *fg_tag, const gchar *uri_tag, const gchar *linebuf) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkTextBuffer *buffer; GtkTextIter iter; /* 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}, {"www.", 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]; /* flags for search optimization */ gboolean do_search[] = {TRUE, TRUE, TRUE, TRUE, TRUE, TRUE}; 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; buffer = gtk_text_view_get_buffer(text); gtk_text_buffer_get_end_iter(buffer, &iter); /* parse for clickable parts, and build a list of begin and end positions */ for (walk = linebuf, n = 0;;) { gint last_index = PARSE_ELEMS; const gchar *scanpos = NULL; /* FIXME: this looks phony. scanning for anything in the parse table */ for (n = 0; n < PARSE_ELEMS; n++) { const gchar *tmp; if (do_search[n]) { tmp = parser[n].search(walk, parser[n].needle); if (tmp) { if (scanpos == NULL || tmp < scanpos) { scanpos = tmp; last_index = n; } } else do_search[n] = FALSE; } } if (scanpos) { /* check if URI can be parsed */ if (parser[last_index].parse(walk, scanpos, &bp, &ep) && (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_buffer_insert_with_tags_by_name (buffer, &iter, normal_text, last->bp - normal_text, fg_tag, NULL); uri->uri = parser[last->pti].build_uri(last->bp, last->ep); uri->filename = NULL; uri->start = gtk_text_iter_get_offset(&iter); gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, last->bp, last->ep - last->bp, uri_tag, fg_tag, NULL); uri->end = gtk_text_iter_get_offset(&iter); textview->uri_list = g_slist_append(textview->uri_list, uri); } if (*normal_text) gtkut_text_buffer_insert_with_tag_by_name (buffer, &iter, normal_text, -1, fg_tag); } else { gtkut_text_buffer_insert_with_tag_by_name (buffer, &iter, linebuf, -1, fg_tag); } } #undef ADD_TXT_POS static void textview_write_line(TextView *textview, const gchar *str, CodeConverter *conv) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkTextBuffer *buffer; GtkTextIter iter; gchar *buf; gchar *fg_color = NULL; gint quotelevel = -1; gchar quote_tag_str[10]; buffer = gtk_text_view_get_buffer(text); gtk_text_buffer_get_end_iter(buffer, &iter); if (conv) { buf = conv_convert(conv, str); if (!buf) buf = conv_utf8todisp(str, NULL); } else buf = g_strdup(str); strcrchomp(buf); //if (prefs_common.conv_mb_alnum) conv_mb_alnum(buf); /* 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) { g_snprintf(quote_tag_str, sizeof(quote_tag_str), "quote%d", quotelevel); fg_color = quote_tag_str; } if (prefs_common.enable_color) textview_make_clickable_parts(textview, fg_color, "link", buf); else textview_make_clickable_parts(textview, fg_color, NULL, buf); g_free(buf); } static void textview_write_link(TextView *textview, const gchar *str, const gchar *uri, CodeConverter *conv) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkTextBuffer *buffer; GtkTextIter iter; gchar *buf; gchar *bufp; RemoteURI *r_uri; if (!str || *str == '\0') return; if (!uri) return; buffer = gtk_text_view_get_buffer(text); gtk_text_buffer_get_end_iter(buffer, &iter); if (conv) { buf = conv_convert(conv, str); if (!buf) buf = conv_utf8todisp(str, NULL); } else buf = g_strdup(str); if (g_utf8_validate(buf, -1, NULL) == FALSE) { g_free(buf); return; } strcrchomp(buf); for (bufp = buf; *bufp != '\0'; bufp = g_utf8_next_char(bufp)) { gunichar ch; ch = g_utf8_get_char(bufp); if (!g_unichar_isspace(ch)) break; } if (bufp > buf) gtk_text_buffer_insert(buffer, &iter, buf, bufp - buf); r_uri = g_new(RemoteURI, 1); r_uri->uri = g_strdup(uri); r_uri->filename = NULL; r_uri->start = gtk_text_iter_get_offset(&iter); gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, bufp, -1, "link", NULL); r_uri->end = gtk_text_iter_get_offset(&iter); textview->uri_list = g_slist_append(textview->uri_list, r_uri); g_free(buf); } void textview_clear(TextView *textview) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkTextBuffer *buffer; buffer = gtk_text_view_get_buffer(text); gtk_text_buffer_set_text(buffer, "", -1); STATUSBAR_POP(textview); textview_uri_list_remove_all(textview->uri_list); textview->uri_list = NULL; textview->body_pos = 0; } void textview_destroy(TextView *textview) { textview_uri_list_remove_all(textview->uri_list); textview->uri_list = NULL; g_free(textview); } void textview_set_all_headers(TextView *textview, gboolean all_headers) { textview->show_all_headers = all_headers; } void textview_set_font(TextView *textview, const gchar *codeset) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); if (prefs_common.textfont) { PangoFontDescription *font_desc; font_desc = pango_font_description_from_string (prefs_common.textfont); if (font_desc) { gtk_widget_modify_font(textview->text, font_desc); pango_font_description_free(font_desc); } } gtk_text_view_set_pixels_above_lines(text, prefs_common.line_space / 2); gtk_text_view_set_pixels_below_lines(text, prefs_common.line_space / 2); } void textview_set_position(TextView *textview, gint pos) { GtkTextBuffer *buffer; GtkTextIter iter; buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text)); gtk_text_buffer_get_iter_at_offset(buffer, &iter, pos); gtk_text_buffer_place_cursor(buffer, &iter); } static GPtrArray *textview_scan_header(TextView *textview, FILE *fp, const gchar *encoding) { g_return_val_if_fail(fp != NULL, NULL); if (textview->show_all_headers) return procheader_get_header_array_asis(fp, encoding); if (!prefs_common.display_header) { gchar buf[BUFFSIZE]; while (fgets(buf, sizeof(buf), fp) != NULL) if (buf[0] == '\r' || buf[0] == '\n') break; return NULL; } return procheader_get_header_array_for_display(fp, encoding); } static void textview_show_header(TextView *textview, GPtrArray *headers) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkTextBuffer *buffer; GtkTextIter iter; Header *header; gint i; g_return_if_fail(headers != NULL); buffer = gtk_text_view_get_buffer(text); gtk_text_buffer_get_end_iter(buffer, &iter); for (i = 0; i < headers->len; i++) { header = g_ptr_array_index(headers, i); g_return_if_fail(header->name != NULL); gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, header->name, -1, "header_title", "header", NULL); gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, ":", 1, "header_title", "header", NULL); if (!g_ascii_strcasecmp(header->name, "Subject") || !g_ascii_strcasecmp(header->name, "From") || !g_ascii_strcasecmp(header->name, "To") || !g_ascii_strcasecmp(header->name, "Cc")) unfold_line(header->body); if (prefs_common.enable_color && (!strncmp(header->name, "X-Mailer", 8) || !strncmp(header->name, "X-Newsreader", 12)) && strstr(header->body, "Sylpheed") != NULL) { gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, header->body, -1, "header", "emphasis", NULL); } else if (prefs_common.enable_color) { textview_make_clickable_parts (textview, "header", "link", header->body); } else { textview_make_clickable_parts (textview, "header", NULL, header->body); } gtk_text_buffer_get_end_iter(buffer, &iter); gtk_text_buffer_insert_with_tags_by_name (buffer, &iter, "\n", 1, "header", NULL); } } gboolean textview_search_string(TextView *textview, const gchar *str, gboolean case_sens) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkTextBuffer *buffer; GtkTextIter iter, match_pos; GtkTextMark *mark; gint len; g_return_val_if_fail(str != NULL, FALSE); buffer = gtk_text_view_get_buffer(text); len = g_utf8_strlen(str, -1); g_return_val_if_fail(len >= 0, FALSE); gtk_text_buffer_get_selection_bounds(buffer, NULL, &iter); if (gtkut_text_buffer_find(buffer, &iter, str, case_sens, &match_pos)) { GtkTextIter end = match_pos; gtk_text_iter_forward_chars(&end, len); /* place "insert" at the last character */ gtk_text_buffer_select_range(buffer, &end, &match_pos); mark = gtk_text_buffer_get_insert(buffer); gtk_text_view_scroll_to_mark(text, mark, 0.0, FALSE, 0.0, 0.0); return TRUE; } return FALSE; } gboolean textview_search_string_backward(TextView *textview, const gchar *str, gboolean case_sens) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkTextBuffer *buffer; GtkTextIter iter, match_pos; GtkTextMark *mark; gint len; g_return_val_if_fail(str != NULL, FALSE); buffer = gtk_text_view_get_buffer(text); len = g_utf8_strlen(str, -1); g_return_val_if_fail(len >= 0, FALSE); gtk_text_buffer_get_selection_bounds(buffer, &iter, NULL); if (gtkut_text_buffer_find_backward(buffer, &iter, str, case_sens, &match_pos)) { GtkTextIter end = match_pos; gtk_text_iter_forward_chars(&end, len); gtk_text_buffer_select_range(buffer, &match_pos, &end); mark = gtk_text_buffer_get_insert(buffer); gtk_text_view_scroll_to_mark(text, mark, 0.0, FALSE, 0.0, 0.0); return TRUE; } return FALSE; } void textview_scroll_one_line(TextView *textview, gboolean up) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkAdjustment *vadj = text->vadjustment; gfloat upper; if (prefs_common.enable_smooth_scroll) { textview_smooth_scroll_one_line(textview, up); return; } if (!up) { upper = vadj->upper - vadj->page_size; if (vadj->value < upper) { vadj->value += vadj->step_increment; vadj->value = MIN(vadj->value, upper); g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0); } } else { if (vadj->value > 0.0) { vadj->value -= vadj->step_increment; vadj->value = MAX(vadj->value, 0.0); g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0); } } } gboolean textview_scroll_page(TextView *textview, gboolean up) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkAdjustment *vadj = text->vadjustment; 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 = vadj->page_increment / 2; else page_incr = vadj->page_increment; if (!up) { upper = vadj->upper - vadj->page_size; if (vadj->value < upper) { vadj->value += page_incr; vadj->value = MIN(vadj->value, upper); g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0); } else return FALSE; } else { if (vadj->value > 0.0) { vadj->value -= page_incr; vadj->value = MAX(vadj->value, 0.0); g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0); } else return FALSE; } return TRUE; } static void textview_smooth_scroll_do(TextView *textview, gfloat old_value, gfloat last_value, gint step) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkAdjustment *vadj = text->vadjustment; 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(); */ g_signal_handlers_block_by_func(vadj, textview_adj_value_changed, textview); for (i = step; i <= change_value; i += step) { vadj->value = old_value + (up ? -i : i); g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0); } g_signal_handlers_unblock_by_func(vadj, textview_adj_value_changed, textview); vadj->value = last_value; g_signal_emit_by_name(G_OBJECT(vadj), "value_changed", 0); /* gdk_key_repeat_restore(); */ gtk_widget_queue_draw(GTK_WIDGET(text)); } static void textview_smooth_scroll_one_line(TextView *textview, gboolean up) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkAdjustment *vadj = text->vadjustment; gfloat upper; gfloat old_value; gfloat last_value; if (!up) { upper = vadj->upper - vadj->page_size; if (vadj->value < upper) { old_value = vadj->value; last_value = vadj->value + vadj->step_increment; last_value = MIN(last_value, upper); textview_smooth_scroll_do(textview, old_value, last_value, prefs_common.scroll_step); } } else { if (vadj->value > 0.0) { old_value = vadj->value; last_value = vadj->value - vadj->step_increment; 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) { GtkTextView *text = GTK_TEXT_VIEW(textview->text); GtkAdjustment *vadj = text->vadjustment; gfloat upper; gfloat page_incr; gfloat old_value; gfloat last_value; if (prefs_common.scroll_halfpage) page_incr = vadj->page_increment / 2; else page_incr = vadj->page_increment; if (!up) { upper = vadj->upper - vadj->page_size; if (vadj->value < upper) { old_value = vadj->value; last_value = 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 (vadj->value > 0.0) { old_value = vadj->value; last_value = 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; } #define KEY_PRESS_EVENT_STOP() \ g_signal_stop_emission_by_name(G_OBJECT(widget), "key-press-event"); static gboolean textview_key_pressed(GtkWidget *widget, GdkEventKey *event, TextView *textview) { SummaryView *summaryview = NULL; MessageView *messageview = textview->messageview; if (!event) return FALSE; if (messageview->mainwin) summaryview = 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, (event->state & (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0); break; case GDK_BackSpace: textview_scroll_page(textview, TRUE); break; case GDK_Return: textview_scroll_one_line (textview, (event->state & (GDK_SHIFT_MASK|GDK_MOD1_MASK)) != 0); break; case GDK_Delete: if (summaryview) summary_pass_key_press_event(summaryview, event); break; case GDK_Escape: if (summaryview && textview == messageview->textview) gtk_widget_grab_focus(summaryview->treeview); else if (messageview->type == MVIEW_MIME && textview == messageview->mimeview->textview) gtk_widget_grab_focus(messageview->mimeview->treeview); break; case GDK_n: case GDK_N: case GDK_p: case GDK_P: case GDK_y: case GDK_t: case GDK_l: if (messageview->type == MVIEW_MIME && textview == messageview->mimeview->textview) { KEY_PRESS_EVENT_STOP(); mimeview_pass_key_press_event(messageview->mimeview, event); break; } /* fall through */ default: if (summaryview && event->window != messageview->mainwin->window->window) { GdkEventKey tmpev = *event; tmpev.window = messageview->mainwin->window->window; KEY_PRESS_EVENT_STOP(); gtk_widget_event(messageview->mainwin->window, (GdkEvent *)&tmpev); } break; } return FALSE; } static gboolean textview_get_link_tag_bounds(TextView *textview, GtkTextIter *iter, GtkTextIter *start, GtkTextIter *end) { GSList *tags, *cur; gboolean on_link = FALSE; tags = gtk_text_iter_get_tags(iter); *start = *end = *iter; for (cur = tags; cur != NULL; cur = cur->next) { GtkTextTag *tag = cur->data; gchar *tag_name; g_object_get(G_OBJECT(tag), "name", &tag_name, NULL); if (tag_name && !strcmp(tag_name, "link")) { if (!gtk_text_iter_begins_tag(start, tag)) gtk_text_iter_backward_to_tag_toggle (start, tag); if (!gtk_text_iter_ends_tag(end, tag)) gtk_text_iter_forward_to_tag_toggle(end, tag); on_link = TRUE; g_free(tag_name); break; } if (tag_name) g_free(tag_name); } if (tags) g_slist_free(tags); return on_link; } static RemoteURI *textview_get_uri(TextView *textview, GtkTextIter *start, GtkTextIter *end) { gint start_pos, end_pos; GSList *cur; RemoteURI *uri = NULL; start_pos = gtk_text_iter_get_offset(start); end_pos = gtk_text_iter_get_offset(end); for (cur = textview->uri_list; cur != NULL; cur = cur->next) { RemoteURI *uri_ = (RemoteURI *)cur->data; if (start_pos == uri_->start && end_pos == uri_->end) { uri = uri_; break; } } return uri; } static gboolean textview_event_after(GtkWidget *widget, GdkEvent *event, TextView *textview) { GdkEventButton *bevent = (GdkEventButton *)event; GtkTextBuffer *buffer; GtkTextIter iter, start, end; gint x, y; gboolean on_link; RemoteURI *uri; if (event->type != GDK_BUTTON_RELEASE) return FALSE; if (bevent->button != 1 && bevent->button != 2) return FALSE; buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(widget)); /* don't follow a link if the user has selected something */ gtk_text_buffer_get_selection_bounds(buffer, &start, &end); if (!gtk_text_iter_equal(&start, &end)) return FALSE; gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(widget), GTK_TEXT_WINDOW_WIDGET, bevent->x, bevent->y, &x, &y); gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(widget), &iter, x, y); on_link = textview_get_link_tag_bounds(textview, &iter, &start, &end); if (!on_link) return FALSE; uri = textview_get_uri(textview, &start, &end); if (!uri) return FALSE; if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) { PrefsAccount *ac = NULL; MsgInfo *msginfo = textview->messageview->msginfo; if (msginfo && msginfo->folder) ac = account_find_from_item(msginfo->folder); if (ac && ac->protocol == A_NNTP) ac = NULL; compose_new(ac, msginfo->folder, uri->uri + 7, NULL); } else if (textview_uri_security_check(textview, uri) == TRUE) open_uri(uri->uri, prefs_common.uri_cmd); return FALSE; } static void textview_show_uri(TextView *textview, GtkTextIter *start, GtkTextIter *end) { RemoteURI *uri; STATUSBAR_POP(textview); uri = textview_get_uri(textview, start, end); if (uri) { gchar *trimmed_uri; trimmed_uri = trim_string(uri->uri, 60); STATUSBAR_PUSH(textview, trimmed_uri); g_free(trimmed_uri); } } static void textview_set_cursor(TextView *textview, GtkTextView *text, gint x, gint y) { GtkTextBuffer *buffer; GtkTextIter iter; GtkTextIter start, end; GtkTextMark *start_mark, *end_mark; gboolean on_link = FALSE; buffer = gtk_text_view_get_buffer(text); gtk_text_view_get_iter_at_location(text, &iter, x, y); on_link = textview_get_link_tag_bounds(textview, &iter, &start, &end); start_mark = gtk_text_buffer_get_mark(buffer, "hover-link-start"); end_mark = gtk_text_buffer_get_mark(buffer, "hover-link-end"); if (start_mark) { GtkTextIter prev_start, prev_end; gtk_text_buffer_get_iter_at_mark(buffer, &prev_start, start_mark); gtk_text_buffer_get_iter_at_mark(buffer, &prev_end, end_mark); if (on_link) { if (gtk_text_iter_equal(&prev_start, &start)) return; } gtk_text_buffer_get_iter_at_mark(buffer, &prev_start, start_mark); gtk_text_buffer_get_iter_at_mark(buffer, &prev_end, end_mark); gtk_text_buffer_remove_tag_by_name(buffer, "hover-link", &prev_start, &prev_end); gtk_text_buffer_delete_mark(buffer, start_mark); gtk_text_buffer_delete_mark(buffer, end_mark); } else { if (!on_link) return; } if (on_link) { gtk_text_buffer_create_mark (buffer, "hover-link-start", &start, FALSE); gtk_text_buffer_create_mark (buffer, "hover-link-end", &end, FALSE); gtk_text_buffer_apply_tag_by_name (buffer, "hover-link", &start, &end); gdk_window_set_cursor (gtk_text_view_get_window(text, GTK_TEXT_WINDOW_TEXT), hand_cursor); textview_show_uri(textview, &start, &end); } else { gdk_window_set_cursor (gtk_text_view_get_window(text, GTK_TEXT_WINDOW_TEXT), regular_cursor); STATUSBAR_POP(textview); } } static gboolean textview_motion_notify(GtkWidget *widget, GdkEventMotion *event, TextView *textview) { gint x, y; gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(widget), GTK_TEXT_WINDOW_WIDGET, event->x, event->y, &x, &y); textview_set_cursor(textview, GTK_TEXT_VIEW(widget), x, y); gdk_window_get_pointer(widget->window, NULL, NULL, NULL); return FALSE; } static gboolean textview_leave_notify(GtkWidget *widget, GdkEventCrossing *event, TextView *textview) { textview_set_cursor(textview, GTK_TEXT_VIEW(widget), 0, 0); return FALSE; } static gboolean textview_visibility_notify(GtkWidget *widget, GdkEventVisibility *event, TextView *textview) { gint wx, wy, bx, by; GdkWindow *window; window = gtk_text_view_get_window(GTK_TEXT_VIEW(widget), GTK_TEXT_WINDOW_TEXT); /* check if the event occurred for the text window part */ if (window != event->window) return FALSE; gdk_window_get_pointer(widget->window, &wx, &wy, NULL); gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(widget), GTK_TEXT_WINDOW_WIDGET, wx, wy, &bx, &by); textview_set_cursor(textview, GTK_TEXT_VIEW(widget), bx, by); return FALSE; } #define ADD_MENU(label, func) \ { \ menuitem = gtk_menu_item_new_with_mnemonic(label); \ g_signal_connect(menuitem, "activate", G_CALLBACK(func), uri); \ gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem); \ g_object_set_data(G_OBJECT(menuitem), "textview", textview); \ gtk_widget_show(menuitem); \ } static void textview_populate_popup(GtkWidget *widget, GtkMenu *menu, TextView *textview) { gint px, py, x, y; GtkWidget *separator, *menuitem; GtkTextBuffer *buffer; GtkTextIter iter, start, end; gboolean on_link; RemoteURI *uri; GdkPixbuf *pixbuf; buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(widget)); gdk_window_get_pointer(widget->window, &px, &py, NULL); gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(widget), GTK_TEXT_WINDOW_WIDGET, px, py, &x, &y); gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(widget), &iter, x, y); if ((pixbuf = gtk_text_iter_get_pixbuf(&iter)) != NULL) { start = end = iter; gtk_text_iter_forward_char(&end); uri = textview_get_uri(textview, &start, &end); separator = gtk_separator_menu_item_new(); gtk_menu_shell_append(GTK_MENU_SHELL(menu), separator); gtk_widget_show(separator); ADD_MENU(_("Sa_ve this image as..."), textview_popup_menu_activate_image_cb); } on_link = textview_get_link_tag_bounds(textview, &iter, &start, &end); if (!on_link) return; uri = textview_get_uri(textview, &start, &end); if (!uri) return; separator = gtk_separator_menu_item_new(); gtk_menu_shell_append(GTK_MENU_SHELL(menu), separator); gtk_widget_show(separator); if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) { ADD_MENU(_("Compose _new message"), textview_popup_menu_activate_open_uri_cb); ADD_MENU(_("Add to address _book..."), textview_popup_menu_activate_add_address_cb); ADD_MENU(_("Copy this add_ress"), textview_popup_menu_activate_copy_cb); } else { ADD_MENU(_("_Open with Web browser"), textview_popup_menu_activate_open_uri_cb); ADD_MENU(_("Copy this _link"), textview_popup_menu_activate_copy_cb); } } static void textview_popup_menu_activate_open_uri_cb(GtkMenuItem *menuitem, gpointer data) { RemoteURI *uri = (RemoteURI *)data; TextView *textview; g_return_if_fail(uri != NULL); if (!uri->uri) return; textview = g_object_get_data(G_OBJECT(menuitem), "textview"); g_return_if_fail(textview != NULL); if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) { PrefsAccount *ac = NULL; MsgInfo *msginfo = textview->messageview->msginfo; if (msginfo && msginfo->folder) ac = account_find_from_item(msginfo->folder); if (ac && ac->protocol == A_NNTP) ac = NULL; compose_new(ac, msginfo->folder, uri->uri + 7, NULL); } else if (textview_uri_security_check(textview, uri) == TRUE) open_uri(uri->uri, prefs_common.uri_cmd); } static void textview_popup_menu_activate_add_address_cb(GtkMenuItem *menuitem, gpointer data) { RemoteURI *uri = (RemoteURI *)data; const gchar *addr; g_return_if_fail(uri != NULL); if (!uri->uri) return; if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) addr = uri->uri + 7; else addr = uri->uri; addressbook_add_contact(addr, addr, NULL); } static void textview_popup_menu_activate_copy_cb(GtkMenuItem *menuitem, gpointer data) { RemoteURI *uri = (RemoteURI *)data; const gchar *uri_string; GtkClipboard *clipboard; g_return_if_fail(uri != NULL); if (!uri->uri) return; if (!g_ascii_strncasecmp(uri->uri, "mailto:", 7)) uri_string = uri->uri + 7; else uri_string = uri->uri; clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY); gtk_clipboard_set_text(clipboard, uri_string, -1); clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD); gtk_clipboard_set_text(clipboard, uri_string, -1); } static void textview_popup_menu_activate_image_cb(GtkMenuItem *menuitem, gpointer data) { RemoteURI *uri = (RemoteURI *)data; gchar *src; gchar *dest; gchar *filename; g_return_if_fail(uri != NULL); if (!uri->uri) return; src = g_filename_from_uri(uri->uri, NULL, NULL); g_return_if_fail(src != NULL); filename = conv_filename_to_utf8(uri->filename); dest = filesel_save_as(filename); if (dest) { copy_file(src, dest, FALSE); g_free(dest); } g_free(filename); g_free(src); } static void textview_adj_value_changed(GtkAdjustment *adj, gpointer data) { TextView *textview = (TextView *)data; GtkTextBuffer *buffer; buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text)); if (gtk_text_buffer_get_selection_bounds(buffer, NULL, NULL)) return; gtk_text_view_place_cursor_onscreen(GTK_TEXT_VIEW(textview->text)); } static gboolean textview_uri_security_check(TextView *textview, RemoteURI *uri) { GtkTextBuffer *buffer; GtkTextIter start_iter, end_iter; gchar *visible_str; gboolean retval = TRUE; if (is_uri_string(uri->uri) == FALSE) return TRUE; buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview->text)); gtk_text_buffer_get_iter_at_offset(buffer, &start_iter, uri->start); gtk_text_buffer_get_iter_at_offset(buffer, &end_iter, uri->end); visible_str = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE); if (visible_str == NULL) return TRUE; if (strcmp(visible_str, uri->uri) != 0 && is_uri_string(visible_str)) { gchar *uri_path; gchar *visible_uri_path; uri_path = get_uri_path(uri->uri); visible_uri_path = get_uri_path(visible_str); if (strcmp(uri_path, visible_uri_path) != 0) retval = FALSE; } if (retval == FALSE) { gchar *msg; AlertValue aval; msg = g_strdup_printf(_("The real URL (%s) is different from\n" "the apparent URL (%s).\n" "\n" "Open it anyway?"), uri->uri, visible_str); aval = alertpanel_full(_("Fake URL warning"), msg, ALERT_WARNING, G_ALERTDEFAULT, FALSE, GTK_STOCK_YES, GTK_STOCK_NO, NULL); g_free(msg); if (aval == G_ALERTDEFAULT) retval = TRUE; } g_free(visible_str); return retval; } static void textview_uri_list_remove_all(GSList *uri_list) { GSList *cur; for (cur = uri_list; cur != NULL; cur = cur->next) { RemoteURI *uri = (RemoteURI *)cur->data; if (uri) { g_free(uri->uri); g_free(uri->filename); g_free(uri); } } g_slist_free(uri_list); }