wireshark/gtk/packet_list.c

866 lines
26 KiB
C

/* packet_list.c
* packet list related functions 2002 Olivier Abad
*
* $Id$
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gtk/gtk.h>
#include <string.h>
#include "globals.h"
#include "gtkglobals.h"
#include "epan/epan.h"
#include "color.h"
#include "color_filters.h"
#include "../ui_util.h"
#include "gui_utils.h"
#include "main.h"
#include "menu.h"
#include "colors.h"
#include <epan/column.h>
#include "epan/column_info.h"
#include "compat_macros.h"
#include <epan/prefs.h>
#include "file_dlg.h"
#include "packet_list.h"
#include "keys.h"
#include "font_utils.h"
#include "packet_history.h"
#include <epan/timestamp.h>
#include "image/clist_ascend.xpm"
#include "image/clist_descend.xpm"
#include "progress_dlg.h"
#define N_PROGBAR_UPDATES 100
/*
* XXX - gross hack.
* This lets us use GtkCList in GTK+ 1.3[.x] and later, and EthCList on
* GTK+ 1.2[.x], at least until we either use GTK+ 2.x's native widgets
* or make EthCList work on 1.3[.x] and 2.x.
*/
#if GTK_MAJOR_VERSION >= 2 || GTK_MINOR_VERSION >= 3
#define EthCList GtkCList
#define EthCListRow GtkCListRow
#define eth_clist_append gtk_clist_append
#define eth_clist_clear gtk_clist_clear
#define eth_clist_column_titles_show gtk_clist_column_titles_show
#define eth_clist_find_row_from_data gtk_clist_find_row_from_data
#define eth_clist_freeze gtk_clist_freeze
#define eth_clist_get_row_data gtk_clist_get_row_data
#define eth_clist_get_selection_info gtk_clist_get_selection_info
#define eth_clist_moveto gtk_clist_moveto
#define eth_clist_new gtk_clist_new
#define eth_clist_row_is_visible gtk_clist_row_is_visible
#define eth_clist_select_row gtk_clist_select_row
#define eth_clist_set_background gtk_clist_set_background
#define eth_clist_set_column_auto_resize gtk_clist_set_column_auto_resize
#define eth_clist_set_column_justification gtk_clist_set_column_justification
#define eth_clist_set_column_resizeable gtk_clist_set_column_resizeable
#define eth_clist_set_column_width gtk_clist_set_column_width
#define eth_clist_set_column_widget gtk_clist_set_column_widget
#define eth_clist_set_compare_func gtk_clist_set_compare_func
#define eth_clist_set_foreground gtk_clist_set_foreground
#define eth_clist_set_row_data gtk_clist_set_row_data
#define eth_clist_set_selection_mode gtk_clist_set_selection_mode
#define eth_clist_set_sort_column gtk_clist_set_sort_column
#define eth_clist_set_text gtk_clist_set_text
#define eth_clist_sort gtk_clist_sort
#define eth_clist_thaw gtk_clist_thaw
#define ETH_CLIST GTK_CLIST
#else
#include "ethclist.h"
#endif
typedef struct column_arrows {
GtkWidget *table;
GtkWidget *ascend_pm;
GtkWidget *descend_pm;
} column_arrows;
GtkWidget *packet_list;
/* EthClist compare routine, overrides default to allow numeric comparison */
#define COMPARE_FRAME_NUM() ((fdata1->num < fdata2->num) ? -1 : \
(fdata1->num > fdata2->num) ? 1 : \
0)
#define COMPARE_NUM(f) ((fdata1->f < fdata2->f) ? -1 : \
(fdata1->f > fdata2->f) ? 1 : \
COMPARE_FRAME_NUM())
/* Compare time stamps.
A packet whose time is a reference time is considered to have
a lower time stamp than any frame with a non-reference time;
if both packets' times are reference times, we compare the
times of the packets. */
#define COMPARE_TS(ts) \
((fdata1->flags.ref_time && !fdata2->flags.ref_time) ? -1 : \
(!fdata1->flags.ref_time && fdata2->flags.ref_time) ? 1 : \
(fdata1->ts.secs < fdata2->ts.secs) ? -1 : \
(fdata1->ts.secs > fdata2->ts.secs) ? 1 : \
(fdata1->ts.nsecs < fdata2->ts.nsecs) ? -1 :\
(fdata1->ts.nsecs > fdata2->ts.nsecs) ? 1 : \
COMPARE_FRAME_NUM())
static gint
packet_list_compare(EthCList *clist, gconstpointer ptr1, gconstpointer ptr2)
{
/* Get row data structures */
const EthCListRow *row1 = (const EthCListRow *)ptr1;
const EthCListRow *row2 = (const EthCListRow *)ptr2;
/* Get the frame data structures for the rows */
const frame_data *fdata1 = row1->data;
const frame_data *fdata2 = row2->data;
/* Get row text strings */
const char *text1 = GTK_CELL_TEXT (row1->cell[clist->sort_column])->text;
const char *text2 = GTK_CELL_TEXT (row2->cell[clist->sort_column])->text;
/* Attempt to convert to numbers */
double num1;
double num2;
int ret;
gint col_fmt = cfile.cinfo.col_fmt[clist->sort_column];
switch (col_fmt) {
case COL_NUMBER:
return COMPARE_FRAME_NUM();
case COL_CLS_TIME:
switch (timestamp_get_type()) {
case TS_ABSOLUTE:
case TS_ABSOLUTE_WITH_DATE:
return COMPARE_TS(abs_ts);
case TS_RELATIVE:
return COMPARE_TS(rel_ts);
case TS_DELTA:
return COMPARE_TS(del_ts);
case TS_NOT_SET:
return 0;
}
return 0;
case COL_ABS_TIME:
case COL_ABS_DATE_TIME:
return COMPARE_TS(abs_ts);
case COL_REL_TIME:
return COMPARE_TS(rel_ts);
case COL_DELTA_TIME:
return COMPARE_TS(del_ts);
case COL_PACKET_LENGTH:
return COMPARE_NUM(pkt_len);
case COL_CUMULATIVE_BYTES:
return COMPARE_NUM(cum_bytes);
default:
num1 = atof(text1);
num2 = atof(text2);
if ((col_fmt == COL_UNRES_SRC_PORT) || (col_fmt == COL_UNRES_DST_PORT) ||
((num1 != 0) && (num2 != 0) && ((col_fmt == COL_DEF_SRC_PORT) || (col_fmt == COL_RES_SRC_PORT) ||
(col_fmt == COL_DEF_DST_PORT) || (col_fmt == COL_RES_DST_PORT)))) {
/* Compare numeric column */
if (num1 < num2)
return -1;
else if (num1 > num2)
return 1;
else
return COMPARE_FRAME_NUM();
}
else {
/* Compare text column */
if (!text2) {
if (text1)
return 1;
else
return COMPARE_FRAME_NUM();
}
if (!text1)
return -1;
ret = strcmp(text1, text2);
if (ret == 0)
return COMPARE_FRAME_NUM();
else
return ret;
}
}
}
/* What to do when a column is clicked */
static void
packet_list_click_column_cb(EthCList *clist, gint column, gpointer data)
{
column_arrows *col_arrows = (column_arrows *) data;
int i;
eth_clist_freeze(clist);
for (i = 0; i < cfile.cinfo.num_cols; i++) {
gtk_widget_hide(col_arrows[i].ascend_pm);
gtk_widget_hide(col_arrows[i].descend_pm);
}
if (column == clist->sort_column) {
if (clist->sort_type == GTK_SORT_ASCENDING) {
clist->sort_type = GTK_SORT_DESCENDING;
gtk_widget_show(col_arrows[column].descend_pm);
} else {
clist->sort_type = GTK_SORT_ASCENDING;
gtk_widget_show(col_arrows[column].ascend_pm);
}
}
else {
clist->sort_type = GTK_SORT_ASCENDING;
gtk_widget_show(col_arrows[column].ascend_pm);
eth_clist_set_sort_column(clist, column);
}
eth_clist_thaw(clist);
eth_clist_sort(clist);
}
/* What to do when a list item is selected/unselected */
static void
packet_list_select_cb(GtkWidget *w _U_, gint row, gint col _U_, gpointer evt _U_) {
/* Remove the hex display tabbed pages */
while( (gtk_notebook_get_nth_page( GTK_NOTEBOOK(byte_nb_ptr), 0)))
gtk_notebook_remove_page( GTK_NOTEBOOK(byte_nb_ptr), 0);
cf_select_packet(&cfile, row);
gtk_widget_grab_focus(packet_list);
packet_history_add(row);
}
static void
packet_list_unselect_cb(GtkWidget *w _U_, gint row _U_, gint col _U_, gpointer evt _U_) {
cf_unselect_packet(&cfile);
}
/* mark packets */
static void
set_frame_mark(gboolean set, frame_data *frame, gint row) {
GdkColor fg, bg;
if (row == -1)
return;
if (set) {
cf_mark_frame(&cfile, frame);
color_t_to_gdkcolor(&fg, &prefs.gui_marked_fg);
color_t_to_gdkcolor(&bg, &prefs.gui_marked_bg);
eth_clist_set_foreground(ETH_CLIST(packet_list), row, &fg);
eth_clist_set_background(ETH_CLIST(packet_list), row, &bg);
} else {
color_filter_t *cfilter = frame->color_filter;
cf_unmark_frame(&cfile, frame);
/* Restore the color from the matching color filter if any */
if (cfilter) { /* The packet matches a color filter */
color_t_to_gdkcolor(&fg, &cfilter->fg_color);
color_t_to_gdkcolor(&bg, &cfilter->bg_color);
eth_clist_set_foreground(ETH_CLIST(packet_list), row, &fg);
eth_clist_set_background(ETH_CLIST(packet_list), row, &bg);
} else { /* No color filter match */
eth_clist_set_foreground(ETH_CLIST(packet_list), row, NULL);
eth_clist_set_background(ETH_CLIST(packet_list), row, NULL);
}
}
}
/* call this after last set_frame_mark is done */
static void mark_frames_ready(void) {
file_set_save_marked_sensitive();
packets_bar_update();
}
void packet_list_mark_frame_cb(GtkWidget *w _U_, gpointer data _U_) {
if (cfile.current_frame) {
/* XXX hum, should better have a "cfile->current_row" here ... */
set_frame_mark(!cfile.current_frame->flags.marked,
cfile.current_frame,
eth_clist_find_row_from_data(ETH_CLIST(packet_list),
cfile.current_frame));
mark_frames_ready();
}
}
static void mark_all_frames(gboolean set) {
frame_data *fdata;
/* XXX: we might need a progressbar here */
for (fdata = cfile.plist; fdata != NULL; fdata = fdata->next) {
set_frame_mark(set,
fdata,
eth_clist_find_row_from_data(ETH_CLIST(packet_list), fdata));
}
mark_frames_ready();
}
void packet_list_update_marked_frames(void) {
frame_data *fdata;
if (cfile.plist == NULL) return;
/* XXX: we might need a progressbar here */
for (fdata = cfile.plist; fdata != NULL; fdata = fdata->next) {
if (fdata->flags.marked)
set_frame_mark(TRUE,
fdata,
eth_clist_find_row_from_data(ETH_CLIST(packet_list),
fdata));
}
mark_frames_ready();
}
void packet_list_mark_all_frames_cb(GtkWidget *w _U_, gpointer data _U_) {
mark_all_frames(TRUE);
}
void packet_list_unmark_all_frames_cb(GtkWidget *w _U_, gpointer data _U_) {
mark_all_frames(FALSE);
}
gboolean
packet_list_get_event_row_column(GtkWidget *w, GdkEventButton *event_button,
gint *row, gint *column)
{
return eth_clist_get_selection_info(ETH_CLIST(w),
(gint) event_button->x, (gint) event_button->y,
row, column);
}
#if GTK_MAJOR_VERSION < 2
static void
packet_list_button_pressed_cb(GtkWidget *w, GdkEvent *event, gpointer data _U_)
{
GdkEventButton *event_button = (GdkEventButton *)event;
gint row, column;
if (w == NULL || event == NULL)
return;
if (event->type == GDK_BUTTON_PRESS && event_button->button == 2 &&
event_button->window == ETH_CLIST(w)->clist_window &&
packet_list_get_event_row_column(w, event_button, &row, &column)) {
frame_data *fdata = (frame_data *) eth_clist_get_row_data(ETH_CLIST(w),
row);
set_frame_mark(!fdata->flags.marked, fdata, row);
mark_frames_ready();
}
}
#else
static gint
packet_list_button_pressed_cb(GtkWidget *w, GdkEvent *event, gpointer data _U_)
{
GdkEventButton *event_button = (GdkEventButton *)event;
gint row, column;
if (w == NULL || event == NULL)
return FALSE;
if (event->type == GDK_BUTTON_PRESS && event_button->button == 2 &&
event_button->window == ETH_CLIST(w)->clist_window &&
eth_clist_get_selection_info(ETH_CLIST(w), (gint) event_button->x,
(gint) event_button->y, &row, &column)) {
frame_data *fdata = (frame_data *)eth_clist_get_row_data(ETH_CLIST(w),
row);
set_frame_mark(!fdata->flags.marked, fdata, row);
mark_frames_ready();
return TRUE;
}
return FALSE;
}
#endif
/* Set the selection mode of the packet list window. */
void
packet_list_set_sel_browse(gboolean val)
{
GtkSelectionMode new_mode;
/* initialize with a mode we don't use, so that the mode == new_mode
* test will fail the first time */
static GtkSelectionMode mode = GTK_SELECTION_MULTIPLE;
/* Yeah, GTK uses "browse" in the case where we do not, but oh well. I
* think "browse" in Ethereal makes more sense than "SINGLE" in GTK+ */
new_mode = val ? GTK_SELECTION_SINGLE : GTK_SELECTION_BROWSE;
if (mode == new_mode) {
/*
* The mode isn't changing, so don't do anything.
* In particular, don't gratuitiously unselect the
* current packet.
*
* XXX - why do we have to unselect the current packet
* ourselves? The documentation for the GtkCList at
*
* http://developer.gnome.org/doc/API/gtk/gtkclist.html
*
* says "Note that setting the widget's selection mode to
* one of GTK_SELECTION_BROWSE or GTK_SELECTION_SINGLE will
* cause all the items in the GtkCList to become deselected."
*/
return;
}
if (cfile.finfo_selected)
cf_unselect_packet(&cfile);
mode = new_mode;
eth_clist_set_selection_mode(ETH_CLIST(packet_list), mode);
}
/* Set the font of the packet list window. */
void
packet_list_set_font(FONT_TYPE *font)
{
int i;
gint col_width;
#if GTK_MAJOR_VERSION < 2
GtkStyle *style;
style = gtk_style_new();
gdk_font_unref(style->font);
style->font = font;
gdk_font_ref(font);
gtk_widget_set_style(packet_list, style);
#else
PangoLayout *layout;
gtk_widget_modify_font(packet_list, font);
#endif
/* Compute default column sizes. */
for (i = 0; i < cfile.cinfo.num_cols; i++) {
#if GTK_MAJOR_VERSION < 2
col_width = gdk_string_width(font,
get_column_longest_string(get_column_format(i)));
#else
layout = gtk_widget_create_pango_layout(packet_list,
get_column_longest_string(get_column_format(i)));
pango_layout_get_pixel_size(layout, &col_width, NULL);
g_object_unref(G_OBJECT(layout));
#endif
eth_clist_set_column_width(ETH_CLIST(packet_list), i,
col_width);
}
}
GtkWidget *
packet_list_new(e_prefs *prefs)
{
GtkWidget *pkt_scrollw;
int i;
/* Packet list */
pkt_scrollw = scrolled_window_new(NULL, NULL);
/* The usual policy for scrolled windows is to set both scrollbars to automatic,
* meaning they'll only appear if the content doesn't fit into the window.
*
* As this doesn't seem to work in some cases for the vertical scrollbar
* (see http://bugs.ethereal.com/bugzilla/show_bug.cgi?id=220),
* we show that scrollbar always. */
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(pkt_scrollw),
GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
#if GTK_MAJOR_VERSION >= 2
/* the eth_clist will have it's own GTK_SHADOW_IN, so don't use a shadow
* for both widgets */
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(pkt_scrollw),
GTK_SHADOW_NONE);
#endif
packet_list = eth_clist_new(cfile.cinfo.num_cols);
/* Column titles are filled in below */
gtk_container_add(GTK_CONTAINER(pkt_scrollw), packet_list);
packet_list_set_sel_browse(prefs->gui_plist_sel_browse);
packet_list_set_font(user_font_get_regular());
gtk_widget_set_name(packet_list, "packet list");
SIGNAL_CONNECT(packet_list, "select-row", packet_list_select_cb, NULL);
SIGNAL_CONNECT(packet_list, "unselect-row", packet_list_unselect_cb, NULL);
for (i = 0; i < cfile.cinfo.num_cols; i++) {
/* For performance reasons, columns do not automatically resize,
but are resizeable by the user. */
eth_clist_set_column_auto_resize(ETH_CLIST(packet_list), i, FALSE);
eth_clist_set_column_resizeable(ETH_CLIST(packet_list), i, TRUE);
/* Right-justify some special columns. */
if (cfile.cinfo.col_fmt[i] == COL_NUMBER ||
cfile.cinfo.col_fmt[i] == COL_PACKET_LENGTH ||
cfile.cinfo.col_fmt[i] == COL_CUMULATIVE_BYTES ||
cfile.cinfo.col_fmt[i] == COL_DCE_CALL)
eth_clist_set_column_justification(ETH_CLIST(packet_list), i,
GTK_JUSTIFY_RIGHT);
}
SIGNAL_CONNECT(packet_list, "button_press_event", popup_menu_handler,
OBJECT_GET_DATA(popup_menu_object, PM_PACKET_LIST_KEY));
SIGNAL_CONNECT(packet_list, "button_press_event",
packet_list_button_pressed_cb, NULL);
eth_clist_set_compare_func(ETH_CLIST(packet_list), packet_list_compare);
gtk_widget_show(packet_list);
return pkt_scrollw;
}
void
packet_list_set_column_titles(void)
{
GtkStyle *win_style;
GdkPixmap *ascend_pm, *descend_pm;
GdkBitmap *ascend_bm, *descend_bm;
column_arrows *col_arrows;
int i;
GtkWidget *column_lb;
win_style = gtk_widget_get_style(top_level);
ascend_pm = gdk_pixmap_create_from_xpm_d(top_level->window, &ascend_bm,
&win_style->bg[GTK_STATE_NORMAL],
(gchar **) clist_ascend_xpm);
descend_pm = gdk_pixmap_create_from_xpm_d(top_level->window, &descend_bm,
&win_style->bg[GTK_STATE_NORMAL],
(gchar **) clist_descend_xpm);
col_arrows = (column_arrows *) g_malloc(sizeof(column_arrows) *
cfile.cinfo.num_cols);
for (i = 0; i < cfile.cinfo.num_cols; i++) {
col_arrows[i].table = gtk_table_new(2, 2, FALSE);
gtk_table_set_col_spacings(GTK_TABLE(col_arrows[i].table), 5);
column_lb = gtk_label_new(cfile.cinfo.col_title[i]);
gtk_table_attach(GTK_TABLE(col_arrows[i].table), column_lb, 0, 1, 0, 2,
GTK_SHRINK, GTK_SHRINK, 0, 0);
gtk_widget_show(column_lb);
col_arrows[i].ascend_pm = gtk_pixmap_new(ascend_pm, ascend_bm);
gtk_table_attach(GTK_TABLE(col_arrows[i].table),
col_arrows[i].ascend_pm,
1, 2, 1, 2, GTK_SHRINK, GTK_SHRINK, 0, 0);
if (i == 0) {
gtk_widget_show(col_arrows[i].ascend_pm);
}
col_arrows[i].descend_pm = gtk_pixmap_new(descend_pm, descend_bm);
gtk_table_attach(GTK_TABLE(col_arrows[i].table),
col_arrows[i].descend_pm,
1, 2, 0, 1, GTK_SHRINK, GTK_SHRINK, 0, 0);
eth_clist_set_column_widget(ETH_CLIST(packet_list), i,
col_arrows[i].table);
gtk_widget_show(col_arrows[i].table);
}
eth_clist_column_titles_show(ETH_CLIST(packet_list));
SIGNAL_CONNECT(packet_list, "click-column", packet_list_click_column_cb,
col_arrows);
}
void
packet_list_clear(void)
{
packet_history_clear();
eth_clist_clear(ETH_CLIST(packet_list));
}
void
packet_list_freeze(void)
{
eth_clist_freeze(ETH_CLIST(packet_list));
}
static void
packet_list_resize_columns(void) {
int i;
int progbar_nextstep;
int progbar_quantum;
gboolean progbar_stop_flag;
GTimeVal progbar_start_time;
float progbar_val;
progdlg_t *progbar = NULL;
gchar status_str[100];
/* Update the progress bar when it gets to this value. */
progbar_nextstep = 0;
/* When we reach the value that triggers a progress bar update,
bump that value by this amount. */
progbar_quantum = cfile.cinfo.num_cols/N_PROGBAR_UPDATES;
/* Progress so far. */
progbar_val = 0.0;
progbar_stop_flag = FALSE;
g_get_current_time(&progbar_start_time);
main_window_update();
for (i = 0; i < cfile.cinfo.num_cols; i++) {
/* Create the progress bar if necessary.
We check on every iteration of the loop, so that it takes no
longer than the standard time to create it (otherwise, for a
large file, we might take considerably longer than that standard
time in order to get to the next progress bar step). */
if (progbar == NULL)
progbar = delayed_create_progress_dlg("Resizing", "Resize Columns",
TRUE, &progbar_stop_flag, &progbar_start_time, progbar_val);
if (i >= progbar_nextstep) {
/* let's not divide by zero. I should never be started
* with count == 0, so let's assert that
*/
g_assert(cfile.cinfo.num_cols > 0);
progbar_val = (gfloat) i / cfile.cinfo.num_cols;
if (progbar != NULL) {
g_snprintf(status_str, sizeof(status_str),
"%u of %u columns (%s)", i+1, cfile.cinfo.num_cols, cfile.cinfo.col_title[i]);
update_progress_dlg(progbar, progbar_val, status_str);
}
progbar_nextstep += progbar_quantum;
}
if (progbar_stop_flag) {
/* Well, the user decided to abort the resizing... */
break;
}
/* auto resize the current column */
eth_clist_set_column_auto_resize(ETH_CLIST(packet_list), i, TRUE);
/* the current column should be resizeable by the user again */
/* (will turn off auto resize again) */
eth_clist_set_column_resizeable(ETH_CLIST(packet_list), i, TRUE);
}
/* We're done resizing the columns; destroy the progress bar if it
was created. */
if (progbar != NULL)
destroy_progress_dlg(progbar);
}
void packet_list_resize_columns_cb(GtkWidget *widget _U_, gpointer data _U_)
{
packet_list_resize_columns();
}
void
packet_list_thaw(void)
{
eth_clist_thaw(ETH_CLIST(packet_list));
packets_bar_update();
/*packet_list_resize_columns();*/
}
void
packet_list_select_row(gint row)
{
SIGNAL_EMIT_BY_NAME(packet_list, "select_row", row);
}
void
packet_list_moveto_end(void)
{
eth_clist_moveto(ETH_CLIST(packet_list),
ETH_CLIST(packet_list)->rows - 1, -1, 1.0, 1.0);
}
gint
packet_list_append(const gchar *text[], gpointer data)
{
gint row;
row = eth_clist_append(ETH_CLIST(packet_list), (gchar **) text);
eth_clist_set_row_data(ETH_CLIST(packet_list), row, data);
return row;
}
void
packet_list_set_colors(gint row, color_t *fg, color_t *bg)
{
GdkColor gdkfg, gdkbg;
if (fg)
{
color_t_to_gdkcolor(&gdkfg, fg);
eth_clist_set_foreground(ETH_CLIST(packet_list), row, &gdkfg);
}
if (bg)
{
color_t_to_gdkcolor(&gdkbg, bg);
eth_clist_set_background(ETH_CLIST(packet_list), row, &gdkbg);
}
}
gint
packet_list_find_row_from_data(gpointer data)
{
return eth_clist_find_row_from_data(ETH_CLIST(packet_list), data);
}
void
packet_list_set_text(gint row, gint column, const gchar *text)
{
eth_clist_set_text(ETH_CLIST(packet_list), row, column, text);
}
/* Set the column widths of those columns that show the time in
* "command-line-specified" format. */
void
packet_list_set_cls_time_width(gint column)
{
gint width;
#if GTK_MAJOR_VERSION < 2
GtkStyle *pl_style;
pl_style = gtk_widget_get_style(packet_list);
width = gdk_string_width(pl_style->font,
get_column_longest_string(COL_CLS_TIME));
#else
PangoLayout *layout;
layout = gtk_widget_create_pango_layout(packet_list,
get_column_longest_string(COL_CLS_TIME));
pango_layout_get_pixel_size(layout, &width, NULL);
g_object_unref(G_OBJECT(layout));
#endif
eth_clist_set_column_width(ETH_CLIST(packet_list), column, width);
}
gpointer
packet_list_get_row_data(gint row)
{
return eth_clist_get_row_data(ETH_CLIST(packet_list), row);
}
/* get the first fully visible row number, given row MUST be visible */
static gint
packet_list_first_full_visible_row(gint row) {
g_assert(eth_clist_row_is_visible(ETH_CLIST(packet_list), row) ==
GTK_VISIBILITY_FULL);
while(eth_clist_row_is_visible(ETH_CLIST(packet_list), row) ==
GTK_VISIBILITY_FULL) {
row--;
}
return ++row;
}
/* get the last fully visible row number, given row MUST be visible */
static gint
packet_list_last_full_visible_row(gint row) {
g_assert(eth_clist_row_is_visible(ETH_CLIST(packet_list), row) ==
GTK_VISIBILITY_FULL);
while(eth_clist_row_is_visible(ETH_CLIST(packet_list), row) ==
GTK_VISIBILITY_FULL) {
row++;
}
return --row;
}
/* Set the selected row and the focus row of the packet list to the specified
* row, and make it visible if it's not currently visible. */
void
packet_list_set_selected_row(gint row)
{
gint visible_rows;
gint first_row;
gboolean full_visible;
full_visible = eth_clist_row_is_visible(ETH_CLIST(packet_list), row) ==
GTK_VISIBILITY_FULL;
/* XXX - why is there no "eth_clist_set_focus_row()", so that we
* can make the row for the frame we found the focus row?
*
* See http://www.gnome.org/mailing-lists/archives/gtk-list/2000-January/0038.shtml
*/
ETH_CLIST(packet_list)->focus_row = row;
eth_clist_select_row(ETH_CLIST(packet_list), row, -1);
if (!full_visible) {
eth_clist_freeze(ETH_CLIST(packet_list));
eth_clist_moveto(ETH_CLIST(packet_list), row, -1, 0.0, 0.0);
/* even after move still invisible (happens with empty list) -> give up */
if(eth_clist_row_is_visible(ETH_CLIST(packet_list), row) !=
GTK_VISIBILITY_FULL) {
return;
}
/* The now selected row will be the first visible row in the list.
* This is inconvenient, as the user is usually interested in some
* packets *before* the currently selected one too.
*
* Try to adjust the visible rows, so the currently selected row will
* be shown around the first third of the list screen.
*
* (This won't even do any harm if the current row is the first or the
* last in the list) */
visible_rows = packet_list_last_full_visible_row(row) - packet_list_first_full_visible_row(row);
first_row = row - visible_rows / 3;
eth_clist_moveto(ETH_CLIST(packet_list), first_row >= 0 ? first_row : 0, -1, 0.0, 0.0);
eth_clist_thaw(ETH_CLIST(packet_list));
}
}
/* Return the column number that the clist is currently sorted by */
gint
packet_list_get_sort_column(void)
{
return ETH_CLIST(packet_list)->sort_column;
}