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wireshark/ui/gtk/prefs_filter_expressions.c

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/* prefs_filter_expressions.c
* Submitted by Edwin Groothuis <wireshark@mavetju.org>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "ui/gtk/gui_utils.h"
#include "ui/gtk/filter_expression_save_dlg.h"
#include "ui/gtk/prefs_filter_expressions.h"
#include "ui/gtk/stock_icons.h"
static void filter_expressions_list_new_cb(GtkWidget *, gpointer);
static void filter_expressions_list_remove_cb(GtkWidget *, gpointer);
static gboolean filter_expressions_label_changed_cb(GtkCellRendererText *, const gchar *, const gchar *, gpointer);
static gboolean filter_expressions_expression_changed_cb(GtkCellRendererText *, const gchar *, const gchar *, gpointer);
#define E_FILTER_EXPRESSION_COLUMNL "filter_expression_columnl"
#define E_FILTER_EXPRESSION_STORE "filter_expression_store"
enum {
ENABLED_COLUMN,
LABEL_COLUMN,
EXPRESSION_COLUMN,
DATA_COLUMN,
N_COLUMN /* The number of columns */
};
/* Visible toggled */
static void
enable_toggled(GtkCellRendererToggle *cell _U_, gchar *path_str, gpointer data)
{
GtkTreeModel *model = (GtkTreeModel *)data;
GtkTreeIter iter;
GtkTreePath *path = gtk_tree_path_new_from_string(path_str);
struct filter_expression *fe;
gtk_tree_model_get_iter(model, &iter, path);
gtk_tree_model_get(model, &iter, DATA_COLUMN, &fe, -1);
fe->enabled = !fe->enabled;
gtk_list_store_set(GTK_LIST_STORE(model), &iter, ENABLED_COLUMN,
fe->enabled, -1);
gtk_tree_path_free(path);
} /* visible_toggled */
/*
* Create and display the column selection widgets.
* Called as part of the creation of the Preferences notebook ( Edit ! Preferences )
*/
GtkWidget *
filter_expressions_prefs_show(void) {
GtkWidget *main_vb, *bottom_hb, *column_l, *add_bt, *remove_bt;
GtkWidget *list_vb, *list_lb, *list_sc;
GtkWidget *add_remove_hb;
GtkListStore *store;
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
GtkTreeSelection *sel;
GtkTreeIter iter;
GtkTreeIter first_iter;
gint first_row = TRUE;
struct filter_expression *fe;
static const gchar *column_titles[] = {"Enabled", "Label", "Filter Expression"};
/* Container for each row of widgets */
main_vb = ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 5, FALSE);
gtk_container_set_border_width(GTK_CONTAINER(main_vb), 5);
gtk_widget_show(main_vb);
list_vb = ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 0, FALSE);
gtk_container_set_border_width(GTK_CONTAINER(list_vb), 5);
gtk_widget_show(list_vb);
gtk_box_pack_start(GTK_BOX(main_vb), list_vb, TRUE, TRUE, 0);
list_lb = gtk_label_new(("[The first list entry will be displayed as the "
"first button right of the Save button - Drag and drop entries to "
"change column order]"));
gtk_widget_show(list_lb);
gtk_box_pack_start(GTK_BOX(list_vb), list_lb, FALSE, FALSE, 0);
list_sc = scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(list_sc),
GTK_SHADOW_IN);
gtk_box_pack_start(GTK_BOX(list_vb), list_sc, TRUE, TRUE, 0);
gtk_widget_show(list_sc);
store = gtk_list_store_new(N_COLUMN,
G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_STRING,
G_TYPE_POINTER);
column_l = tree_view_new(GTK_TREE_MODEL(store));
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(column_l), TRUE);
gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(column_l), FALSE);
gtk_tree_view_set_reorderable(GTK_TREE_VIEW(column_l), TRUE);
gtk_widget_set_tooltip_text(column_l, "Click on a label or expression to "
"change its name.\nDrag an item to change its order.\nTick 'Enable' "
"to enable the filter in the buttons.");
/* Enabled button */
renderer = gtk_cell_renderer_toggle_new();
g_signal_connect(renderer, "toggled", G_CALLBACK(enable_toggled), store);
column = gtk_tree_view_column_new_with_attributes(
column_titles[ENABLED_COLUMN], renderer, "active", ENABLED_COLUMN, NULL);
gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
gtk_tree_view_append_column(GTK_TREE_VIEW(column_l), column);
/* Label editor */
renderer = gtk_cell_renderer_text_new();
g_object_set(G_OBJECT(renderer), "editable", TRUE, NULL);
g_signal_connect(renderer, "edited",
G_CALLBACK(filter_expressions_label_changed_cb), GTK_TREE_MODEL(store));
column = gtk_tree_view_column_new_with_attributes(
column_titles[LABEL_COLUMN], renderer, "text", LABEL_COLUMN, NULL);
gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
gtk_tree_view_append_column(GTK_TREE_VIEW(column_l), column);
/* Expression editor */
renderer = gtk_cell_renderer_text_new();
g_object_set(G_OBJECT(renderer), "editable", TRUE, NULL);
g_signal_connect(renderer, "edited",
G_CALLBACK(filter_expressions_expression_changed_cb),
GTK_TREE_MODEL(store));
column = gtk_tree_view_column_new_with_attributes(
column_titles[EXPRESSION_COLUMN], renderer, "text", EXPRESSION_COLUMN, NULL);
gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
gtk_tree_view_append_column(GTK_TREE_VIEW(column_l), column);
/* XXX - make this match the packet list prefs? */
sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(column_l));
gtk_tree_selection_set_mode(sel, GTK_SELECTION_SINGLE);
gtk_container_add(GTK_CONTAINER(list_sc), column_l);
gtk_widget_show(column_l);
fe = *pfilter_expression_head;
while (fe != NULL) {
fe->filter_index = -1;
gtk_list_store_insert_with_values(store, &iter, G_MAXINT,
ENABLED_COLUMN, fe->enabled,
LABEL_COLUMN, fe->label,
EXPRESSION_COLUMN, fe->expression,
DATA_COLUMN, fe,
-1);
if (first_row) {
first_iter = iter;
first_row = FALSE;
}
fe = fe->next;
}
g_object_unref(G_OBJECT(store));
/* Bottom row: Add/remove buttons */
bottom_hb = ws_gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5, FALSE);
gtk_box_pack_start(GTK_BOX(main_vb), bottom_hb, FALSE, TRUE, 0);
gtk_widget_show(bottom_hb);
/* Add button */
add_remove_hb = ws_gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0, TRUE);
gtk_container_set_border_width(GTK_CONTAINER(add_remove_hb), 5);
gtk_box_pack_start(GTK_BOX(bottom_hb), add_remove_hb, FALSE, FALSE, 0);
gtk_widget_show(add_remove_hb);
add_bt = ws_gtk_button_new_from_stock(GTK_STOCK_ADD);
g_signal_connect(add_bt, "clicked",
G_CALLBACK(filter_expressions_list_new_cb), column_l);
gtk_box_pack_start(GTK_BOX(add_remove_hb), add_bt, FALSE, FALSE, 0);
gtk_widget_set_tooltip_text(add_bt,
"Add a new row at the end of the list.");
gtk_widget_show(add_bt);
/* Remove button */
remove_bt = ws_gtk_button_new_from_stock(GTK_STOCK_REMOVE);
g_signal_connect(remove_bt, "clicked",
G_CALLBACK(filter_expressions_list_remove_cb), column_l);
gtk_box_pack_start(GTK_BOX(add_remove_hb), remove_bt, FALSE, FALSE, 0);
gtk_widget_set_tooltip_text(remove_bt, "Remove the selected row.");
gtk_widget_show(remove_bt);
/* select the first menu list row. */
/* Triggers call to column_list_select_cb(). */
if (first_row == FALSE)
gtk_tree_selection_select_iter(sel, &first_iter);
g_object_set_data(G_OBJECT(main_vb), E_FILTER_EXPRESSION_COLUMNL, column_l);
g_object_set_data(G_OBJECT(main_vb), E_FILTER_EXPRESSION_STORE, store);
return(main_vb);
}
static void
filter_expressions_list_remove_cb(GtkWidget *w _U_, gpointer data)
{
GtkTreeView *column_l = GTK_TREE_VIEW(data);
GtkTreeSelection *sel;
GtkTreeModel *model;
GtkTreeIter iter;
struct filter_expression *fe;
sel = gtk_tree_view_get_selection(column_l);
if (!gtk_tree_selection_get_selected(sel, &model, &iter))
return;
gtk_tree_model_get(model, &iter, DATA_COLUMN, &fe, -1);
fe->deleted = TRUE;
gtk_list_store_remove(GTK_LIST_STORE(model), &iter);
}
static void
filter_expressions_list_new_cb(GtkWidget *w _U_, gpointer data _U_)
{
const gchar *label = "New Label";
const gchar *expression = "New Expression";
GtkTreeView *fe_l = GTK_TREE_VIEW(data);
GtkTreeModel *model;
GtkTreeIter iter;
GtkTreePath *path;
GtkTreeViewColumn *label_column;
struct filter_expression *fe;
fe = filter_expression_new(label, expression, TRUE);
model = gtk_tree_view_get_model(fe_l);
gtk_list_store_insert_with_values(GTK_LIST_STORE(model), &iter, G_MAXINT,
ENABLED_COLUMN, fe->enabled,
LABEL_COLUMN, fe->label,
EXPRESSION_COLUMN, fe->expression,
DATA_COLUMN, fe,
-1);
/* Triggers call to column_list_select_cb() */
gtk_tree_selection_select_iter(gtk_tree_view_get_selection(fe_l), &iter);
/* Set the cursor to the 'Title' column of the newly added row and enable
* editing
* XXX: If displaying the new title ["New column"] widens the title column
* of the treeview, then the set_cursor below doesn't properly generate an
* entry box around the title text. The width of the box appears to be the
* column width before the treeview title column was widened. Seems like a
* bug...
*
* I haven't found a work-around.
*/
path = gtk_tree_model_get_path(model, &iter);
label_column = gtk_tree_view_get_column(fe_l, 2);
gtk_tree_view_set_cursor(fe_l, path, label_column, TRUE);
gtk_tree_path_free(path);
}
static gboolean
filter_expressions_expression_changed_cb(GtkCellRendererText *cell _U_, const gchar *str_path, const gchar *new_expression, gpointer data)
{
struct filter_expression *fe;
GtkTreeModel *model = (GtkTreeModel *)data;
GtkTreePath *path = gtk_tree_path_new_from_string(str_path);
GtkTreeIter iter;
gtk_tree_model_get_iter(model, &iter, path);
gtk_list_store_set(GTK_LIST_STORE(model), &iter, EXPRESSION_COLUMN,
new_expression, -1);
gtk_tree_model_get(model, &iter, DATA_COLUMN, &fe, -1);
if (fe != NULL) {
g_free(fe->expression);
fe->expression = g_strdup(new_expression);
}
gtk_tree_path_free(path);
return(TRUE);
}
static gboolean
filter_expressions_label_changed_cb(GtkCellRendererText *cell _U_, const gchar *str_path, const gchar *new_label, gpointer data)
{
struct filter_expression *fe;
GtkTreeModel *model = (GtkTreeModel *)data;
GtkTreePath *path = gtk_tree_path_new_from_string(str_path);
GtkTreeIter iter;
gtk_tree_model_get_iter(model, &iter, path);
gtk_list_store_set(GTK_LIST_STORE(model), &iter, LABEL_COLUMN, new_label, -1);
gtk_tree_model_get(model, &iter, DATA_COLUMN, &fe, -1);
if (fe != NULL) {
g_free(fe->label);
fe->label = g_strdup(new_label);
}
gtk_tree_path_free(path);
return TRUE;
}
void
filter_expressions_prefs_fetch(GtkWidget *w)
{
gboolean items_left;
GtkTreeModel *model;
GtkTreeView *column_l;
GtkTreeIter iter;
GtkListStore *store;
struct filter_expression *fe;
gint first_row = TRUE;
gint indx = 0;
column_l = (GtkTreeView *)g_object_get_data(G_OBJECT(w),
E_FILTER_EXPRESSION_COLUMNL);
model = gtk_tree_view_get_model(column_l);
store = (GtkListStore *)g_object_get_data(G_OBJECT(w),
E_FILTER_EXPRESSION_STORE);
/* Record the order of the items in the list. */
items_left = gtk_tree_model_get_iter_first(model, &iter);
while (items_left) {
gtk_tree_model_get(model, &iter, DATA_COLUMN, &fe, -1);
if (fe != NULL)
fe->filter_index = indx++;
items_left = gtk_tree_model_iter_next (model, &iter);
}
filter_expression_reinit(FILTER_EXPRESSION_REINIT_DESTROY | FILTER_EXPRESSION_REINIT_CREATE);
gtk_list_store_clear(store);
fe = *pfilter_expression_head;
while (fe != NULL) {
fe->filter_index = -1;
gtk_list_store_insert_with_values(store, &iter, G_MAXINT,
ENABLED_COLUMN, fe->enabled,
LABEL_COLUMN, fe->label,
EXPRESSION_COLUMN, fe->expression,
DATA_COLUMN, fe,
-1);
if (first_row) {
first_row = FALSE;
}
fe = fe->next;
}
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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