/* help_dlg.c * * $Id: help_dlg.c,v 1.35 2003/08/25 21:42:33 guy Exp $ * * Laurent Deniel * * Ethereal - Network traffic analyzer * By Gerald Combs * Copyright 2000 Gerald Combs * * 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 #include #ifdef NEED_SNPRINTF_H # include "snprintf.h" #endif #include "help_dlg.h" #include "prefs.h" #include "globals.h" #include "gtkglobals.h" #include "main.h" #include "ui_util.h" #include #include "compat_macros.h" typedef enum { OVERVIEW_HELP, PROTOCOL_HELP, DFILTER_HELP, CFILTER_HELP, FAQ_HELP } help_type_t; static void help_close_cb(GtkWidget *w, gpointer data); static void help_destroy_cb(GtkWidget *w, gpointer data); static void insert_text(GtkWidget *w, const char *buffer, int nchars); static void set_help_text(GtkWidget *w, help_type_t type); /* * Keep a static pointer to the current "Help" window, if any, so that * if somebody tries to do "Help->Help" while there's already a * "Help" window up, we just pop up the existing one, rather than * creating a new one. */ static GtkWidget *help_w = NULL; /* * Keep static pointers to the text widgets as well. */ GtkWidget *overview_text, *proto_text, *dfilter_text, *faq_text, *cfilter_text; void help_cb(GtkWidget *w _U_, gpointer data _U_) { GtkWidget *main_vb, *bbox, *help_nb, *close_bt, *label, *txt_scrollw, *overview_vb, *proto_vb, #if GTK_MAJOR_VERSION < 2 *dfilter_tb, *dfilter_vsb, #else *dfilter_vb, #endif *faq_vb, *cfilter_vb; if (help_w != NULL) { /* There's already a "Help" dialog box; reactivate it. */ reactivate_window(help_w); return; } #if GTK_MAJOR_VERSION < 2 help_w = gtk_window_new(GTK_WINDOW_DIALOG); #else help_w = gtk_window_new(GTK_WINDOW_TOPLEVEL); #endif gtk_widget_set_name(help_w, "Ethereal Help window" ); gtk_window_set_title(GTK_WINDOW(help_w), "Ethereal: Help"); SIGNAL_CONNECT(help_w, "destroy", help_destroy_cb, NULL); SIGNAL_CONNECT(help_w, "realize", window_icon_realize_cb, NULL); WIDGET_SET_SIZE(help_w, DEF_WIDTH * 2/3, DEF_HEIGHT * 2/3); gtk_container_border_width(GTK_CONTAINER(help_w), 2); /* Container for each row of widgets */ main_vb = gtk_vbox_new(FALSE, 1); gtk_container_border_width(GTK_CONTAINER(main_vb), 1); gtk_container_add(GTK_CONTAINER(help_w), main_vb); gtk_widget_show(main_vb); /* help topics container */ help_nb = gtk_notebook_new(); gtk_container_add(GTK_CONTAINER(main_vb), help_nb); /* Overview panel */ overview_vb = gtk_vbox_new(FALSE, 0); gtk_container_border_width(GTK_CONTAINER(overview_vb), 1); txt_scrollw = scrolled_window_new(NULL, NULL); gtk_box_pack_start(GTK_BOX(overview_vb), txt_scrollw, TRUE, TRUE, 0); #if GTK_MAJOR_VERSION < 2 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS); overview_text = gtk_text_new(NULL, NULL ); gtk_text_set_editable(GTK_TEXT(overview_text), FALSE); gtk_text_set_word_wrap(GTK_TEXT(overview_text), TRUE); gtk_text_set_line_wrap(GTK_TEXT(overview_text), TRUE); #else gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); overview_text = gtk_text_view_new(); gtk_text_view_set_editable(GTK_TEXT_VIEW(overview_text), FALSE); gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(overview_text), GTK_WRAP_WORD); #endif set_help_text(overview_text, OVERVIEW_HELP); gtk_container_add(GTK_CONTAINER(txt_scrollw), overview_text); gtk_widget_show(txt_scrollw); gtk_widget_show(overview_text); gtk_widget_show(overview_vb); label = gtk_label_new("Overview"); gtk_notebook_append_page(GTK_NOTEBOOK(help_nb), overview_vb, label); /* humm, gtk 1.2 does not support horizontal scrollbar for text widgets */ /* protocol list */ proto_vb = gtk_vbox_new(FALSE, 0); gtk_container_border_width(GTK_CONTAINER(proto_vb), 1); txt_scrollw = scrolled_window_new(NULL, NULL); gtk_box_pack_start(GTK_BOX(proto_vb), txt_scrollw, TRUE, TRUE, 0); #if GTK_MAJOR_VERSION < 2 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_POLICY_ALWAYS, GTK_POLICY_ALWAYS); proto_text = gtk_text_new(NULL, NULL); gtk_text_set_editable(GTK_TEXT(proto_text), FALSE); gtk_text_set_line_wrap(GTK_TEXT(proto_text), FALSE); set_help_text(proto_text, PROTOCOL_HELP); gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(txt_scrollw), proto_text); #else gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); proto_text = gtk_text_view_new(); gtk_text_view_set_editable(GTK_TEXT_VIEW(proto_text), FALSE); set_help_text(proto_text, PROTOCOL_HELP); gtk_container_add(GTK_CONTAINER(txt_scrollw), proto_text); #endif gtk_widget_show(txt_scrollw); gtk_widget_show(proto_text); gtk_widget_show(proto_vb); label = gtk_label_new("Protocols"); gtk_notebook_append_page(GTK_NOTEBOOK(help_nb), proto_vb, label); /* display filter help */ #if GTK_MAJOR_VERSION < 2 /* X windows have a maximum size of 32767. Since the height can easily exceed this, we have to jump through some hoops to have a functional vertical scroll bar. */ dfilter_tb = gtk_table_new(2, 2, FALSE); gtk_table_set_col_spacing (GTK_TABLE (dfilter_tb), 0, 3); gtk_table_set_row_spacing (GTK_TABLE (dfilter_tb), 0, 3); gtk_container_border_width(GTK_CONTAINER(dfilter_tb), 1); txt_scrollw = scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_POLICY_ALWAYS, GTK_POLICY_NEVER); dfilter_text = gtk_text_new(NULL, NULL); dfilter_vsb = gtk_vscrollbar_new(GTK_TEXT(dfilter_text)->vadj); if (prefs.gui_scrollbar_on_right) { gtk_table_attach (GTK_TABLE (dfilter_tb), txt_scrollw, 0, 1, 0, 1, GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0); gtk_table_attach (GTK_TABLE (dfilter_tb), dfilter_vsb, 1, 2, 0, 1, GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0); } else { gtk_table_attach (GTK_TABLE (dfilter_tb), txt_scrollw, 1, 2, 0, 1, GTK_EXPAND | GTK_SHRINK | GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0); gtk_table_attach (GTK_TABLE (dfilter_tb), dfilter_vsb, 0, 1, 0, 1, GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0); } gtk_text_set_editable(GTK_TEXT(dfilter_text), FALSE); gtk_text_set_line_wrap(GTK_TEXT(dfilter_text), FALSE); set_help_text(dfilter_text, DFILTER_HELP); gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(txt_scrollw), dfilter_text); #else dfilter_vb = gtk_vbox_new(FALSE, 0); gtk_container_border_width(GTK_CONTAINER(dfilter_vb), 1); txt_scrollw = scrolled_window_new(NULL, NULL); gtk_box_pack_start(GTK_BOX(dfilter_vb), txt_scrollw, TRUE, TRUE, 0); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); dfilter_text = gtk_text_view_new(); if (prefs.gui_scrollbar_on_right) { gtk_scrolled_window_set_placement(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_CORNER_TOP_LEFT); } else { gtk_scrolled_window_set_placement(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_CORNER_TOP_RIGHT); } gtk_text_view_set_editable(GTK_TEXT_VIEW(dfilter_text), FALSE); set_help_text(dfilter_text, DFILTER_HELP); gtk_container_add(GTK_CONTAINER(txt_scrollw), dfilter_text); #endif gtk_widget_show(txt_scrollw); gtk_widget_show(dfilter_text); #if GTK_MAJOR_VERSION < 2 gtk_widget_show(dfilter_tb); gtk_widget_show(dfilter_vsb); #else gtk_widget_show(dfilter_vb); #endif label = gtk_label_new("Display Filters"); #if GTK_MAJOR_VERSION < 2 gtk_notebook_append_page(GTK_NOTEBOOK(help_nb), dfilter_tb, label); #else gtk_notebook_append_page(GTK_NOTEBOOK(help_nb), dfilter_vb, label); #endif /* capture filter help (this one has no horizontal scrollbar) */ cfilter_vb = gtk_vbox_new(FALSE, 0); gtk_container_border_width(GTK_CONTAINER(cfilter_vb), 1); txt_scrollw = scrolled_window_new(NULL, NULL); gtk_box_pack_start(GTK_BOX(cfilter_vb), txt_scrollw, TRUE, TRUE, 0); #if GTK_MAJOR_VERSION < 2 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS); cfilter_text = gtk_text_new(NULL, NULL ); gtk_text_set_editable(GTK_TEXT(cfilter_text), FALSE); gtk_text_set_word_wrap(GTK_TEXT(cfilter_text), TRUE); gtk_text_set_line_wrap(GTK_TEXT(cfilter_text), TRUE); #else gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); cfilter_text = gtk_text_view_new(); gtk_text_view_set_editable(GTK_TEXT_VIEW(cfilter_text), FALSE); gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(cfilter_text), GTK_WRAP_WORD); #endif set_help_text(cfilter_text, CFILTER_HELP); gtk_container_add(GTK_CONTAINER(txt_scrollw), cfilter_text); gtk_widget_show(txt_scrollw); gtk_widget_show(cfilter_text); gtk_widget_show(cfilter_vb); label = gtk_label_new("Capture Filters"); gtk_notebook_append_page(GTK_NOTEBOOK(help_nb), cfilter_vb, label); /* FAQ help (this one has no horizontal scrollbar) */ faq_vb = gtk_vbox_new(FALSE, 0); gtk_container_border_width(GTK_CONTAINER(faq_vb), 1); txt_scrollw = scrolled_window_new(NULL, NULL); gtk_box_pack_start(GTK_BOX(faq_vb), txt_scrollw, TRUE, TRUE, 0); #if GTK_MAJOR_VERSION < 2 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS); faq_text = gtk_text_new(NULL, NULL ); gtk_text_set_editable(GTK_TEXT(faq_text), FALSE); gtk_text_set_word_wrap(GTK_TEXT(faq_text), TRUE); gtk_text_set_line_wrap(GTK_TEXT(faq_text), TRUE); #else gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(txt_scrollw), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); faq_text = gtk_text_view_new(); gtk_text_view_set_editable(GTK_TEXT_VIEW(faq_text), FALSE); gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(faq_text), GTK_WRAP_WORD); #endif set_help_text(faq_text, FAQ_HELP); gtk_container_add(GTK_CONTAINER(txt_scrollw), faq_text); gtk_widget_show(txt_scrollw); gtk_widget_show(faq_text); gtk_widget_show(faq_vb); label = gtk_label_new("FAQ"); gtk_notebook_append_page(GTK_NOTEBOOK(help_nb), faq_vb, label); /* XXX add other help panels here ... */ gtk_widget_show(help_nb); /* Buttons (only one for now) */ bbox = gtk_hbox_new(FALSE, 1); gtk_box_pack_end(GTK_BOX(main_vb), bbox, FALSE, FALSE, 0); gtk_widget_show(bbox); #if GTK_MAJOR_VERSION < 2 close_bt = gtk_button_new_with_label("Close"); #else close_bt = gtk_button_new_from_stock(GTK_STOCK_CLOSE); #endif SIGNAL_CONNECT(close_bt, "clicked", help_close_cb, help_w); GTK_WIDGET_SET_FLAGS(close_bt, GTK_CAN_DEFAULT); gtk_container_add(GTK_CONTAINER(bbox), close_bt); gtk_widget_grab_default(close_bt); gtk_widget_show(close_bt); gtk_quit_add_destroy(gtk_main_level(), GTK_OBJECT(help_w)); gtk_widget_show(help_w); } /* help_cb */ static void help_close_cb(GtkWidget *w _U_, gpointer data) { gtk_widget_destroy(GTK_WIDGET(data)); } static void help_destroy_cb(GtkWidget *w _U_, gpointer data _U_) { /* Note that we no longer have a Help window. */ help_w = NULL; } static void insert_text(GtkWidget *w, const char *buffer, int nchars) { #if GTK_MAJOR_VERSION < 2 gtk_text_insert(GTK_TEXT(w), m_r_font, NULL, NULL, buffer, nchars); #else GtkTextBuffer *buf= gtk_text_view_get_buffer(GTK_TEXT_VIEW(w)); GtkTextIter iter; gtk_text_buffer_get_end_iter(buf, &iter); gtk_widget_modify_font(w, m_r_font); if (!g_utf8_validate(buffer, -1, NULL)) printf(buffer); gtk_text_buffer_insert(buf, &iter, buffer, nchars); #endif } static const char *proto_help = "The following %d protocols (and packet types) are currently\n" "supported by Ethereal:\n\n"; static const char *dfilter_help = "The following per-protocol fields can be used in display\n" "filters:\n"; static const char *cfilter_help = "Packet capturing is performed with the pcap library. The capture filter " "syntax follows the rules of this library.\nSo this syntax is different " "from the display filter syntax: see manual page of tcpdump.\n" #ifndef HAVE_LIBPCAP "\nNote: packet capturing is not enabled in this version.\n"; #else ; #endif static const char *overview_help = "Ethereal is a GUI network protocol analyzer. It lets you interactively " "browse packet data from a live network or from a previously saved " "capture file. Ethereal's native capture file format is libpcap format, " "which is also the format used by tcpdump and various other tools. In " "addition, Ethereal can read capture files from snoop and atmsnoop, " "Shomiti/Finisar Surveyor, Novell LANalyzer, Network General/Network " "Associates DOS-based Sniffer (compressed or uncompressed), Microsoft " "Network Monitor, AIX's iptrace, Cinco Networks NetXRay, Network " "Associates Windows-based Sniffer, AG Group/WildPackets " "EtherPeek/TokenPeek/AiroPeek, RADCOM's WAN/LAN analyzer, Lucent/Ascend " "router debug output, HP-UX's nettl, the dump output from Toshiba's ISDN " "routers, the output from i4btrace from the ISDN4BSD project, the output " "in IPLog format from the Cisco Secure Intrusion Detection System, pppd " "logs (pppdump format), the output from VMS's TCPIPtrace utility, the " "text output from the DBS Etherwatch VMS utility, traffic capture files " "from Visual Networks' Visual UpTime, and the output from CoSine L2 debug." "\n\n" "There is no need to tell Ethereal what type of file you are reading; " "it will determine the file type by itself. Ethereal is also " "capable of reading any of these file formats if they are compressed " "using gzip. Ethereal recognizes this directly from the file; the '.gz' " "extension is not required for this purpose."; /* FAQ_PARTS, FAQ_SIZE, faq_part[0] ... faq_part[FAQ_PARTS-1] */ #include "../FAQ.include" static void set_help_text(GtkWidget *w, help_type_t type) { #define BUFF_LEN 4096 #define B_LEN 256 char buffer[BUFF_LEN]; header_field_info *hfinfo; int i, len, maxlen = 0, maxlen2 = 0, maxlen4 = 0; #if GTK_MAJOR_VERSION < 2 int maxlen3 = 0, nb_lines = 0; int width, height; #endif const char *type_name; void *cookie, *cookie2; char *name, *short_name, *filter_name; int namel = 0, short_namel = 0, filter_namel = 0; int count, fcount; /* * XXX quick hack: * the width and height computations are performed to make the * horizontal scrollbar work in gtk1.2. This is only necessary for the * PROTOCOL_HELP and DFILTER_HELP windows since all others should * not have any horizontal scrollbar (line wrapping enabled). */ #if GTK_MAJOR_VERSION < 2 gtk_text_freeze(GTK_TEXT(w)); #endif switch(type) { case OVERVIEW_HELP : insert_text(w, overview_help, -1); break; case PROTOCOL_HELP : /* first pass to know the maximum length of first field */ count = 0; for (i = proto_get_first_protocol(&cookie); i != -1; i = proto_get_next_protocol(&cookie)) { count++; name = proto_get_protocol_name(i); short_name = proto_get_protocol_short_name(i); filter_name = proto_get_protocol_filter_name(i); if ((len = strlen(name)) > namel) namel = len; if ((len = strlen(short_name)) > short_namel) short_namel = len; if ((len = strlen(filter_name)) > filter_namel) filter_namel = len; } maxlen = namel + short_namel + filter_namel; len = snprintf(buffer, BUFF_LEN, proto_help, count); #if GTK_MAJOR_VERSION < 2 maxlen2 = len; width = gdk_string_width(m_r_font, buffer); insert_text(w, buffer, maxlen2); #else insert_text(w, buffer, len); #endif /* ok, display the correctly aligned strings */ for (i = proto_get_first_protocol(&cookie); i != -1; i = proto_get_next_protocol(&cookie)) { name = proto_get_protocol_name(i); short_name = proto_get_protocol_short_name(i); filter_name = proto_get_protocol_filter_name(i); /* the name used for sorting in the left column */ len = snprintf(buffer, BUFF_LEN, "%*s %*s %*s\n", -short_namel, short_name, -namel, name, -filter_namel, filter_name); #if GTK_MAJOR_VERSION < 2 if (len > maxlen2) { maxlen2 = len; if ((len = gdk_string_width(m_r_font, buffer)) > width) width = len; } insert_text(w, buffer, strlen(buffer)); nb_lines++; #else insert_text(w, buffer, strlen(buffer)); #endif } #if GTK_MAJOR_VERSION < 2 height = (3 + nb_lines) * m_font_height; WIDGET_SET_SIZE(w, 20 + width, 20 + height); #endif break; case DFILTER_HELP : /* XXX we should display hinfo->blurb instead of name (if not empty) */ /* first pass to know the maximum length of first and second fields */ for (i = proto_get_first_protocol(&cookie); i != -1; i = proto_get_next_protocol(&cookie)) { for (hfinfo = proto_get_first_protocol_field(i, &cookie2); hfinfo != NULL; hfinfo = proto_get_next_protocol_field(&cookie2)) { if (hfinfo->same_name_prev != NULL) /* ignore duplicate names */ continue; if ((len = strlen(hfinfo->abbrev)) > maxlen) maxlen = len; if ((len = strlen(hfinfo->name)) > maxlen2) maxlen2 = len; if ((len = strlen(hfinfo->blurb)) > maxlen4) maxlen4 = len; } } #if GTK_MAJOR_VERSION < 2 maxlen3 = strlen(dfilter_help); width = gdk_string_width(m_r_font, dfilter_help); insert_text(w, dfilter_help, maxlen3); #else insert_text(w, dfilter_help, strlen(dfilter_help)); #endif fcount = 0; for (i = proto_get_first_protocol(&cookie); i != -1; i = proto_get_next_protocol(&cookie)) { name = proto_get_protocol_name(i); short_name = proto_get_protocol_short_name(i); filter_name = proto_get_protocol_filter_name(i); count = 0; for (hfinfo = proto_get_first_protocol_field(i, &cookie2); hfinfo != NULL; hfinfo = proto_get_next_protocol_field(&cookie2)) { if (hfinfo->same_name_prev != NULL) /* ignore duplicate names */ continue; count++; } fcount += count; len = snprintf(buffer, BUFF_LEN, "\n%s - %s (%s) [%d fields]:\n", short_name, name, filter_name, count); insert_text(w, buffer, len); for (hfinfo = proto_get_first_protocol_field(i, &cookie2); hfinfo != NULL; hfinfo = proto_get_next_protocol_field(&cookie2)) { if (hfinfo->same_name_prev != NULL) /* ignore duplicate names */ continue; type_name = ftype_pretty_name(hfinfo->type); len = snprintf(buffer, BUFF_LEN, "%*s %*s %*s (%s)\n", -maxlen, hfinfo->abbrev, -maxlen2, hfinfo->name, -maxlen4, hfinfo->blurb, type_name); #if GTK_MAJOR_VERSION < 2 if (len > maxlen3) { maxlen3 = len; if ((len = gdk_string_width(m_r_font, buffer)) > width) width = len; } insert_text(w, buffer, strlen(buffer)); nb_lines ++; #else insert_text(w, buffer, strlen(buffer)); #endif } } len = snprintf(buffer, BUFF_LEN, "\n-- Total %d fields\n", fcount); insert_text(w, buffer, len); #if GTK_MAJOR_VERSION < 2 height = (5 + nb_lines) * m_font_height; WIDGET_SET_SIZE(w, 20 + width, 20 + height); #endif break; case FAQ_HELP : for (i=0; ivadj, 0.0); gtk_text_forward_delete(txt, gtk_text_get_length(txt)); #else GtkTextBuffer *buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(w)); gtk_text_buffer_set_text(buf, "", 0); #endif } /* Redraw all the text widgets, to use a new font. */ void help_redraw(void) { if (help_w != NULL) { #if GTK_MAJOR_VERSION < 2 gtk_text_freeze(GTK_TEXT(overview_text)); #endif clear_help_text(overview_text); set_help_text(overview_text, OVERVIEW_HELP); #if GTK_MAJOR_VERSION < 2 gtk_text_thaw(GTK_TEXT(overview_text)); gtk_text_freeze(GTK_TEXT(proto_text)); #endif clear_help_text(proto_text); set_help_text(proto_text, PROTOCOL_HELP); #if GTK_MAJOR_VERSION < 2 gtk_text_thaw(GTK_TEXT(proto_text)); gtk_text_freeze(GTK_TEXT(dfilter_text)); #endif clear_help_text(dfilter_text); set_help_text(dfilter_text, DFILTER_HELP); #if GTK_MAJOR_VERSION < 2 gtk_text_thaw(GTK_TEXT(dfilter_text)); gtk_text_freeze(GTK_TEXT(cfilter_text)); #endif clear_help_text(cfilter_text); set_help_text(cfilter_text, CFILTER_HELP); #if GTK_MAJOR_VERSION < 2 gtk_text_thaw(GTK_TEXT(cfilter_text)); gtk_text_freeze(GTK_TEXT(faq_text)); #endif clear_help_text(faq_text); set_help_text(faq_text, FAQ_HELP); #if GTK_MAJOR_VERSION < 2 gtk_text_thaw(GTK_TEXT(faq_text)); #endif } }