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wireshark/gtk/main_filter_toolbar.c

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/* main_filter_toolbar.c
* The filter toolbar
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 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.
*/
/*
* This file implements the "filter" toolbar for Wireshark.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <string.h>
#include <gtk/gtk.h>
#include "filter_dlg.h"
#include "filter_autocomplete.h"
#include "epan/prefs.h"
#include "keys.h"
#include "gtkglobals.h"
#include "stock_icons.h"
#include "recent.h"
#include "main.h"
#include "menus.h"
#include "main_toolbar.h"
#include "main_filter_toolbar.h"
GtkWidget *main_display_filter_widget=NULL;
#define NEW_FILTER_COMBO_BOX 1
/* Run the current display filter on the current packet set, and
redisplay. */
static void
filter_activate_cb(GtkWidget *w _U_, gpointer data)
{
const char *s;
s = gtk_entry_get_text(GTK_ENTRY(data));
main_filter_packets(&cfile, s, FALSE);
}
/* redisplay with no display filter */
static void
filter_reset_cb(GtkWidget *w, gpointer data _U_)
{
GtkWidget *filter_te = NULL;
if ((filter_te = g_object_get_data(G_OBJECT(w), E_DFILTER_TE_KEY))) {
gtk_entry_set_text(GTK_ENTRY(filter_te), "");
}
main_filter_packets(&cfile, NULL, FALSE);
}
GtkWidget *filter_toolbar_new(void)
{
GtkWidget *filter_cm;
GtkWidget *filter_te;
GtkWidget *filter_tb;
#ifdef NEW_FILTER_COMBO_BOX
#else
GList *dfilter_list = NULL;
#endif
GtkTooltips *tooltips;
GtkToolItem *filter_bt, *filter_add_expr_bt, *filter_reset;
GtkToolItem *filter_apply, *item;
/* Display filter construct dialog has an Apply button, and "OK" not
only sets our text widget, it activates it (i.e., it causes us to
filter the capture). */
static construct_args_t args = {
"Wireshark: Display Filter",
TRUE,
TRUE,
FALSE
};
tooltips = gtk_tooltips_new();
/* filter toolbar */
filter_tb = gtk_toolbar_new();
gtk_toolbar_set_orientation(GTK_TOOLBAR(filter_tb),
GTK_ORIENTATION_HORIZONTAL);
g_object_set_data(G_OBJECT(top_level), E_TB_FILTER_KEY, filter_tb);
gtk_widget_show(filter_tb);
/* Create the "Filter:" button */
filter_bt = gtk_tool_button_new_from_stock (WIRESHARK_STOCK_DISPLAY_FILTER_ENTRY);
g_signal_connect(filter_bt, "clicked", G_CALLBACK(display_filter_construct_cb), &args);
gtk_widget_show(GTK_WIDGET (filter_bt));
g_object_set_data(G_OBJECT(top_level), E_FILT_BT_PTR_KEY, filter_bt);
gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
filter_bt,
-1);
gtk_tooltips_set_tip(GTK_TOOLTIPS(tooltips), GTK_WIDGET(filter_bt),
"Open the \"Display Filter\" dialog, to edit/apply filters",
"Private");
/* Create the filter combobox */
#ifdef NEW_FILTER_COMBO_BOX
filter_cm = gtk_combo_box_entry_new_text ();
filter_te = gtk_bin_get_child(GTK_BIN(filter_cm));
#else
filter_cm = gtk_combo_new();
dfilter_list = NULL;
gtk_combo_disable_activate(GTK_COMBO(filter_cm));
gtk_combo_set_case_sensitive(GTK_COMBO(filter_cm), TRUE);
g_object_set_data(G_OBJECT(filter_cm), E_DFILTER_FL_KEY, dfilter_list);
filter_te = GTK_COMBO(filter_cm)->entry;
#endif
main_display_filter_widget=filter_te;
g_object_set_data(G_OBJECT(filter_bt), E_FILT_TE_PTR_KEY, filter_te);
g_object_set_data(G_OBJECT(filter_te), E_DFILTER_CM_KEY, filter_cm);
g_object_set_data(G_OBJECT(top_level), E_DFILTER_CM_KEY, filter_cm);
g_signal_connect(filter_te, "activate", G_CALLBACK(filter_activate_cb), filter_te);
g_signal_connect(filter_te, "changed", G_CALLBACK(filter_te_syntax_check_cb), NULL);
g_object_set_data(G_OBJECT(filter_tb), E_FILT_AUTOCOMP_PTR_KEY, NULL);
g_object_set_data(G_OBJECT(filter_te), E_FILT_FIELD_USE_STATUSBAR_KEY, "");
g_signal_connect(filter_te, "key-press-event", G_CALLBACK (filter_string_te_key_pressed_cb), NULL);
g_signal_connect(filter_tb, "key-press-event", G_CALLBACK (filter_parent_dlg_key_pressed_cb), NULL);
gtk_widget_set_size_request(filter_cm, 400, -1);
gtk_widget_show(filter_cm);
item = gtk_tool_item_new ();
gtk_container_add (GTK_CONTAINER (item), filter_cm);
gtk_widget_show (GTK_WIDGET (item));
gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
item,
-1);
/* setting a tooltip for a combobox will do nothing, so add it to the corresponding text entry */
#ifdef NEW_FILTER_COMBO_BOX
gtk_tooltips_set_tip(tooltips, filter_cm,
#else
gtk_tooltips_set_tip(tooltips, filter_te,
#endif
"Enter a display filter, or choose one of your recently used filters. "
"The background color of this field is changed by a continuous syntax check "
"(green is valid, red is invalid, yellow may have unexpected results).",
NULL);
/* Create the "Add Expression..." button, to pop up a dialog
for constructing filter comparison expressions. */
filter_add_expr_bt = gtk_tool_button_new_from_stock(WIRESHARK_STOCK_ADD_EXPRESSION);
g_object_set_data(G_OBJECT(filter_tb), E_FILT_FILTER_TE_KEY, filter_te);
g_signal_connect(filter_add_expr_bt, "clicked", G_CALLBACK(filter_add_expr_bt_cb), filter_tb);
gtk_widget_show(GTK_WIDGET(filter_add_expr_bt));
gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
filter_add_expr_bt,
-1);
gtk_tooltips_set_tip(GTK_TOOLTIPS(tooltips), GTK_WIDGET(filter_add_expr_bt),
"Add an expression to this filter string",
"Private");
/* Create the "Clear" button */
filter_reset = gtk_tool_button_new_from_stock(WIRESHARK_STOCK_CLEAR_EXPRESSION);
g_object_set_data(G_OBJECT(filter_reset), E_DFILTER_TE_KEY, filter_te);
g_signal_connect(filter_reset, "clicked", G_CALLBACK(filter_reset_cb), NULL);
gtk_widget_show(GTK_WIDGET(filter_reset));
gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
filter_reset,
-1);
gtk_tooltips_set_tip(GTK_TOOLTIPS(tooltips), GTK_WIDGET(filter_reset),
"Clear this filter string and update the display",
"Private");
/* Create the "Apply" button */
filter_apply = gtk_tool_button_new_from_stock(WIRESHARK_STOCK_APPLY_EXPRESSION);
g_object_set_data(G_OBJECT(filter_apply), E_DFILTER_CM_KEY, filter_cm);
g_signal_connect(filter_apply, "clicked", G_CALLBACK(filter_activate_cb), filter_te);
gtk_widget_show(GTK_WIDGET(filter_apply));
gtk_toolbar_insert(GTK_TOOLBAR(filter_tb),
filter_apply,
-1);
gtk_tooltips_set_tip(GTK_TOOLTIPS(tooltips), GTK_WIDGET(filter_apply),
"Apply this filter string to the display",
"Private");
/* Sets the text entry widget pointer as the E_DILTER_TE_KEY data
* of any widget that ends up calling a callback which needs
* that text entry pointer */
set_menu_object_data("/File/Open...", E_DFILTER_TE_KEY, filter_te);
set_menu_object_data("/Edit/Copy/As Filter", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Display Filters...", E_FILT_TE_PTR_KEY,
filter_te);
set_menu_object_data("/Analyze/Follow TCP Stream", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Follow UDP Stream", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Follow SSL Stream", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Apply as Filter/Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Apply as Filter/Not Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Apply as Filter/... and Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Apply as Filter/... or Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Apply as Filter/... and not Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Apply as Filter/... or not Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare a Filter/Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare a Filter/Not Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare a Filter/... and Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare a Filter/... or Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare a Filter/... and not Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Analyze/Prepare a Filter/... or not Selected", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Conversation Filter/Ethernet", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Conversation Filter/IP", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Conversation Filter/TCP", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Conversation Filter/UDP", E_DFILTER_TE_KEY,
filter_te);
set_menu_object_data("/Conversation Filter/PN-CBA Server", E_DFILTER_TE_KEY,
filter_te);
set_toolbar_object_data(E_DFILTER_TE_KEY, filter_te);
g_object_set_data(G_OBJECT(popup_menu_object), E_DFILTER_TE_KEY, filter_te);
/* make current preferences effective */
toolbar_redraw_all();
return filter_tb;
}
#ifdef NEW_FILTER_COMBO_BOX
static gboolean
dfilter_entry_match(GtkWidget *filter_cm, char *s, int *index)
{
GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX(filter_cm));
GtkTreeIter iter;
GValue value = { 0, {{0}}};
const char *filter_str;
int i;
i = -1;
if (!gtk_tree_model_get_iter_first (model, &iter)){
*index = i;
return FALSE;
}
do{
i++;
gtk_tree_model_get_value (model, &iter, 0, &value);
filter_str = g_value_get_string (&value);
if(filter_str){
if(strcmp(s, filter_str) == 0){
g_value_unset (&value);
*index = i;
return TRUE;
}
}
g_value_unset (&value);
}while (gtk_tree_model_iter_next (model, &iter));
*index = i;
return FALSE;
}
#else
static gint
dfilter_entry_match(gconstpointer a, gconstpointer b)
{
const char *s1 = a;
const char *s2 = b;
return strcmp(s1, s2);
}
#endif
/* add a display filter to the combo box */
/* Note: a new filter string will not replace an old identical one */
static gboolean
dfilter_combo_add(GtkWidget *filter_cm, char *s) {
#ifdef NEW_FILTER_COMBO_BOX
int index;
if(!dfilter_entry_match(filter_cm,s, &index))
gtk_combo_box_append_text(GTK_COMBO_BOX(filter_cm), s);
#else
GList *dfilter_list = g_object_get_data(G_OBJECT(filter_cm), E_DFILTER_FL_KEY);
/* GtkCombos don't let us get at their list contents easily, so we maintain
our own filter list, and feed it to gtk_combo_set_popdown_strings when
a new filter is added. */
if (s && strlen(s) > 0 &&
g_list_length(dfilter_list) < prefs.gui_recent_df_entries_max &&
g_list_find_custom(dfilter_list, s, dfilter_entry_match) == NULL) {
dfilter_list = g_list_append(dfilter_list, s);
s = NULL;
g_object_set_data(G_OBJECT(filter_cm), E_DFILTER_FL_KEY, dfilter_list);
gtk_combo_set_popdown_strings(GTK_COMBO(filter_cm), dfilter_list);
gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(filter_cm)->entry), g_list_first(dfilter_list)->data);
}
#endif
g_free(s);
return TRUE;
}
/* write all non empty display filters (until maximum count)
* of the combo box GList to the user's recent file */
void
dfilter_recent_combo_write_all(FILE *rf) {
GtkWidget *filter_cm = g_object_get_data(G_OBJECT(top_level), E_DFILTER_CM_KEY);
#ifdef NEW_FILTER_COMBO_BOX
GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX(filter_cm));
GtkTreeIter iter;
GValue value = { 0, {{0}}};
const char *filter_str;
guint max_count = 0;
if (!gtk_tree_model_get_iter_first (model, &iter))
return;
do{
gtk_tree_model_get_value (model, &iter, 0, &value);
filter_str = g_value_get_string (&value);
if(filter_str)
fprintf (rf, RECENT_KEY_DISPLAY_FILTER ": %s\n", filter_str);
g_value_unset (&value);
}while (gtk_tree_model_iter_next (model, &iter)&& (max_count++ < prefs.gui_recent_df_entries_max));
#else
GList *dfilter_list = g_object_get_data(G_OBJECT(filter_cm), E_DFILTER_FL_KEY);
GList *li;
guint max_count = 0;
/* write all non empty display filter strings to the recent file (until max count) */
li = g_list_first(dfilter_list);
while ( li && (max_count++ < prefs.gui_recent_df_entries_max) ) {
if (strlen(li->data)) {
fprintf (rf, RECENT_KEY_DISPLAY_FILTER ": %s\n", (char *)li->data);
}
li = li->next;
}
#endif
}
/* empty the combobox entry field */
void
dfilter_combo_add_empty(void) {
#ifdef NEW_FILTER_COMBO_BOX
/* This doesn't seem to be necessary with a Combo Box */
#else
GtkWidget *filter_cm = g_object_get_data(G_OBJECT(top_level), E_DFILTER_CM_KEY);
gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(filter_cm)->entry), "");
#endif
}
/* add a display filter coming from the user's recent file to the dfilter combo box */
gboolean
dfilter_combo_add_recent(gchar *s) {
GtkWidget *filter_cm = g_object_get_data(G_OBJECT(top_level), E_DFILTER_CM_KEY);
char *dup;
dup = g_strdup(s);
return dfilter_combo_add(filter_cm, dup);
}
/* call cf_filter_packets() and add this filter string to the recent filter list */
gboolean
main_filter_packets(capture_file *cf, const gchar *dftext, gboolean force)
{
#ifdef NEW_FILTER_COMBO_BOX
GtkWidget *filter_cm = g_object_get_data(G_OBJECT(top_level), E_DFILTER_CM_KEY);
#else
GtkCombo *filter_cm = g_object_get_data(G_OBJECT(top_level), E_DFILTER_CM_KEY);
GList *dfilter_list = g_object_get_data(G_OBJECT(filter_cm), E_DFILTER_FL_KEY);
#endif
gboolean free_filter = TRUE;
char *s;
cf_status_t cf_status;
s = g_strdup(dftext);
cf_status = cf_filter_packets(cf, s, force);
if (!s)
return (cf_status == CF_OK);
/* GtkCombos don't let us get at their list contents easily, so we maintain
our own filter list, and feed it to gtk_combo_set_popdown_strings when
a new filter is added. */
if (cf_status == CF_OK && strlen(s) > 0) {
#ifdef NEW_FILTER_COMBO_BOX
int index;
if(!dfilter_entry_match(filter_cm,s, &index)){
gtk_combo_box_prepend_text(GTK_COMBO_BOX(filter_cm), s);
index++;
}
while ((guint)index >= prefs.gui_recent_df_entries_max){
gtk_combo_box_remove_text(GTK_COMBO_BOX(filter_cm), index);
index--;
}
#else
GList *li;
while ((li = g_list_find_custom(dfilter_list, s, dfilter_entry_match)) != NULL)
/* Delete old/duplicate entry now. We'll re-add it later */
dfilter_list = g_list_delete_link(dfilter_list, li);
/* trim list size first */
while (g_list_length(dfilter_list) >= prefs.gui_recent_df_entries_max)
dfilter_list = g_list_delete_link(dfilter_list, g_list_last(dfilter_list));
free_filter = FALSE;
/* Push the filter to the front of the list */
dfilter_list = g_list_prepend(dfilter_list, s);
g_object_set_data(G_OBJECT(filter_cm), E_DFILTER_FL_KEY, dfilter_list);
gtk_combo_set_popdown_strings(filter_cm, dfilter_list);
gtk_entry_set_text(GTK_ENTRY(filter_cm->entry), g_list_first(dfilter_list)->data);
#endif
}
if (free_filter)
g_free(s);
return (cf_status == CF_OK);
}
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