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wireshark/gtk/main_proto_draw.c

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/* proto_draw.c
* Routines for GTK+ packet display
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* Jeff Foster, 2001/03/12, added support for displaying named
* data sources as tabbed hex windows
*
* 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 <ctype.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <string.h>
#include <epan/epan_dissect.h>
#include <epan/packet.h>
#include <epan/charsets.h>
#include <epan/prefs.h>
#include "../isprint.h"
#include "../alert_box.h"
#include "../simple_dialog.h"
#include "../progress_dlg.h"
#include "../ui_util.h"
#include <wsutil/file_util.h>
#include "gtk/keys.h"
#include "gtk/color_utils.h"
#include "gtk/capture_file_dlg.h"
#include "gtk/packet_win.h"
#include "gtk/file_dlg.h"
#include "gtk/gui_utils.h"
#include "gtk/gtkglobals.h"
#include "gtk/font_utils.h"
#include "gtk/webbrowser.h"
#include "gtk/main.h"
#include "gtk/main_menu.h"
#include "gtk/main_proto_draw.h"
#if _WIN32
#include <gdk/gdkwin32.h>
#include <windows.h>
#include "file_dlg_win32.h"
#endif
#define BYTE_VIEW_WIDTH 16
#define BYTE_VIEW_SEP 8
#define E_BYTE_VIEW_TREE_PTR "byte_view_tree_ptr"
#define E_BYTE_VIEW_TREE_VIEW_PTR "byte_view_tree_view_ptr"
#define E_BYTE_VIEW_NDIGITS_KEY "byte_view_ndigits"
#define E_BYTE_VIEW_TVBUFF_KEY "byte_view_tvbuff"
#define E_BYTE_VIEW_START_KEY "byte_view_start"
#define E_BYTE_VIEW_END_KEY "byte_view_end"
#define E_BYTE_VIEW_APP_START_KEY "byte_view_app_start"
#define E_BYTE_VIEW_APP_END_KEY "byte_view_app_end"
#define E_BYTE_VIEW_ENCODE_KEY "byte_view_encode"
static GtkWidget *
add_byte_tab(GtkWidget *byte_nb, const char *name, tvbuff_t *tvb,
proto_tree *tree, GtkWidget *tree_view);
static void
proto_tree_draw_node(proto_node *node, gpointer data);
/* Get the current text window for the notebook. */
GtkWidget *
get_notebook_bv_ptr(GtkWidget *nb_ptr)
{
int num;
GtkWidget *bv_page;
num = gtk_notebook_get_current_page(GTK_NOTEBOOK(nb_ptr));
bv_page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(nb_ptr), num);
if (bv_page)
return GTK_BIN(bv_page)->child;
else
return NULL;
}
/*
* Get the data and length for a byte view, given the byte view page.
* Return the pointer, or NULL on error, and set "*data_len" to the length.
*/
const guint8 *
get_byte_view_data_and_length(GtkWidget *byte_view, guint *data_len)
{
tvbuff_t *byte_view_tvb;
const guint8 *data_ptr;
byte_view_tvb = g_object_get_data(G_OBJECT(byte_view), E_BYTE_VIEW_TVBUFF_KEY);
if (byte_view_tvb == NULL)
return NULL;
data_ptr = tvb_get_ptr(byte_view_tvb, 0, -1);
*data_len = tvb_length(byte_view_tvb);
return data_ptr;
}
/*
* Set the current text window for the notebook to the window that
* refers to a particular tvbuff.
*/
void
set_notebook_page(GtkWidget *nb_ptr, tvbuff_t *tvb)
{
int num;
GtkWidget *bv_page, *bv;
tvbuff_t *bv_tvb;
for (num = 0;
(bv_page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(nb_ptr), num)) != NULL;
num++) {
bv = GTK_BIN(bv_page)->child;
bv_tvb = g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_TVBUFF_KEY);
if (bv_tvb == tvb) {
/* Found it. */
gtk_notebook_set_page(GTK_NOTEBOOK(nb_ptr), num);
break;
}
}
}
/* Redraw a given byte view window. */
void
redraw_hex_dump(GtkWidget *nb, frame_data *fd, field_info *finfo)
{
GtkWidget *bv;
const guint8 *data;
guint len;
bv = get_notebook_bv_ptr(nb);
if (bv != NULL) {
data = get_byte_view_data_and_length(bv, &len);
if (data != NULL)
packet_hex_print(bv, data, fd, finfo, len);
}
}
/* Redraw all byte view windows. */
void
redraw_hex_dump_all(void)
{
if (cfile.current_frame != NULL)
redraw_hex_dump( byte_nb_ptr, cfile.current_frame, cfile.finfo_selected);
redraw_hex_dump_packet_wins();
/* XXX - this is a hack, to workaround a bug in GTK2.x!
when changing the font size, even refilling of the corresponding
gtk_text_buffer doesn't seem to trigger an update.
The only workaround is to freshly select the frame, which will remove any
existing notebook tabs and "restart" the whole byte view again. */
if (cfile.current_frame != NULL)
cf_goto_frame(&cfile, cfile.current_frame->num);
}
static void
expand_tree(GtkTreeView *tree_view, GtkTreeIter *iter,
GtkTreePath *path _U_, gpointer user_data _U_)
{
field_info *finfo;
GtkTreeModel *model;
model = gtk_tree_view_get_model(tree_view);
gtk_tree_model_get(model, iter, 1, &finfo, -1);
g_assert(finfo);
/*
* Nodes with "finfo->tree_type" of -1 have no ett_ value, and
* are thus presumably leaf nodes and cannot be expanded.
*/
if (finfo->tree_type != -1) {
g_assert(finfo->tree_type >= 0 &&
finfo->tree_type < num_tree_types);
tree_is_expanded[finfo->tree_type] = TRUE;
}
}
static void
collapse_tree(GtkTreeView *tree_view, GtkTreeIter *iter,
GtkTreePath *path _U_, gpointer user_data _U_)
{
field_info *finfo;
GtkTreeModel *model;
model = gtk_tree_view_get_model(tree_view);
gtk_tree_model_get(model, iter, 1, &finfo, -1);
g_assert(finfo);
/*
* Nodes with "finfo->tree_type" of -1 have no ett_ value, and
* are thus presumably leaf nodes and cannot be collapsed.
*/
if (finfo->tree_type != -1) {
g_assert(finfo->tree_type >= 0 &&
finfo->tree_type < num_tree_types);
tree_is_expanded[finfo->tree_type] = FALSE;
}
}
#define MAX_OFFSET_LEN 8 /* max length of hex offset of bytes */
#define BYTES_PER_LINE 16 /* max byte values in a line */
#define HEX_DUMP_LEN (BYTES_PER_LINE*3 + 1)
/* max number of characters hex dump takes -
2 digits plus trailing blank
plus separator between first and
second 8 digits */
#define DATA_DUMP_LEN (HEX_DUMP_LEN + 2 + BYTES_PER_LINE)
/* number of characters those bytes take;
3 characters per byte of hex dump,
2 blanks separating hex from ASCII,
1 character per byte of ASCII dump */
#define MAX_LINE_LEN (MAX_OFFSET_LEN + 2 + DATA_DUMP_LEN)
/* number of characters per line;
offset, 2 blanks separating offset
from data dump, data dump */
#define MAX_LINES 100
#define MAX_LINES_LEN (MAX_LINES*MAX_LINE_LEN)
/* Which byte the offset is referring to. Associates
* whitespace with the preceding digits. */
static int
byte_num(int offset, int start_point)
{
return (offset - start_point) / 3;
}
struct field_lookup_info {
field_info *fi;
GtkTreeIter iter;
};
static gboolean
lookup_finfo(GtkTreeModel *model, GtkTreePath *path _U_, GtkTreeIter *iter,
gpointer data)
{
field_info *fi;
struct field_lookup_info *fli = (struct field_lookup_info *)data;
gtk_tree_model_get(model, iter, 1, &fi, -1);
if (fi == fli->fi) {
fli->iter = *iter;
return TRUE;
}
return FALSE;
}
GtkTreePath *tree_find_by_field_info(GtkTreeView *tree_view, field_info *finfo) {
GtkTreeModel *model;
struct field_lookup_info fli;
g_assert(finfo != NULL);
model = gtk_tree_view_get_model(tree_view);
fli.fi = finfo;
gtk_tree_model_foreach(model, lookup_finfo, &fli);
return gtk_tree_model_get_path(model, &fli.iter);
}
/* If the user selected a certain byte in the byte view, try to find
* the item in the GUI proto_tree that corresponds to that byte, and:
*
* if we succeed, select it, and return TRUE;
* if we fail, return FALSE. */
gboolean
byte_view_select(GtkWidget *widget, GdkEventButton *event)
{
proto_tree *tree;
GtkTreeView *tree_view;
GtkTextView *bv = GTK_TEXT_VIEW(widget);
gint x, y;
GtkTextIter iter;
int row, column;
int byte;
tvbuff_t *tvb;
guint ndigits;
int digits_start_1;
int digits_end_1;
int digits_start_2;
int digits_end_2;
int text_start_1;
int text_end_1;
int text_start_2;
int text_end_2;
/*
* Get the number of digits of offset being displayed, and
* compute the columns of various parts of the display.
*/
ndigits = GPOINTER_TO_UINT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_NDIGITS_KEY));
/*
* The column of the first hex digit in the first half.
* That starts after "ndigits" digits of offset and two
* separating blanks.
*/
digits_start_1 = ndigits + 2;
/*
* The column of the last hex digit in the first half.
* There are BYTES_PER_LINE/2 bytes displayed in the first
* half; there are 2 characters per byte, plus a separating
* blank after all but the last byte's characters.
*
* Then subtract 1 to get the last column of the first half
* rather than the first column after the first half.
*/
digits_end_1 = digits_start_1 + (BYTES_PER_LINE/2)*2 +
(BYTES_PER_LINE/2 - 1) - 1;
/*
* The column of the first hex digit in the second half.
* Add back the 1 to get the first column after the first
* half, and then add 2 for the 2 separating blanks between
* the halves.
*/
digits_start_2 = digits_end_1 + 3;
/*
* The column of the last hex digit in the second half.
* Add the same value we used to get "digits_end_1" from
* "digits_start_1".
*/
digits_end_2 = digits_start_2 + (BYTES_PER_LINE/2)*2 +
(BYTES_PER_LINE/2 - 1) - 1;
/*
* The column of the first "text dump" character in the first half.
* Add back the 1 to get the first column after the second
* half's hex dump, and then add 3 for the 3 separating blanks
* between the hex and text dummp.
*/
text_start_1 = digits_end_2 + 4;
/*
* The column of the last "text dump" character in the first half.
* There are BYTES_PER_LINE/2 bytes displayed in the first
* half; there is 1 character per byte.
*
* Then subtract 1 to get the last column of the first half
* rather than the first column after the first half.
*/
text_end_1 = text_start_1 + BYTES_PER_LINE/2 - 1;
/*
* The column of the first "text dump" character in the second half.
* Add back the 1 to get the first column after the first half,
* and then add 1 for the separating blank between the halves.
*/
text_start_2 = text_end_1 + 2;
/*
* The column of the last "text dump" character in second half.
* Add the same value we used to get "text_end_1" from
* "text_start_1".
*/
text_end_2 = text_start_2 + BYTES_PER_LINE/2 - 1;
tree = g_object_get_data(G_OBJECT(widget), E_BYTE_VIEW_TREE_PTR);
if (tree == NULL) {
/*
* Somebody clicked on the dummy byte view; do nothing.
*/
return FALSE;
}
tree_view = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(widget),
E_BYTE_VIEW_TREE_VIEW_PTR));
/* get the row/column selected */
gtk_text_view_window_to_buffer_coords(bv,
gtk_text_view_get_window_type(bv, event->window),
(gint) event->x, (gint) event->y, &x, &y);
gtk_text_view_get_iter_at_location(bv, &iter, x, y);
row = gtk_text_iter_get_line(&iter);
column = gtk_text_iter_get_line_offset(&iter);
/* Given the column and row, determine which byte offset
* the user clicked on. */
if (column >= digits_start_1 && column <= digits_end_1) {
byte = byte_num(column, digits_start_1);
if (byte == -1) {
return FALSE;
}
}
else if (column >= digits_start_2 && column <= digits_end_2) {
byte = byte_num(column, digits_start_2);
if (byte == -1) {
return FALSE;
}
byte += 8;
}
else if (column >= text_start_1 && column <= text_end_1) {
byte = column - text_start_1;
}
else if (column >= text_start_2 && column <= text_end_2) {
byte = 8 + column - text_start_2;
}
else {
/* The user didn't select a hex digit or
* text-dump character. */
return FALSE;
}
/* Add the number of bytes from the previous rows. */
byte += row * 16;
/* Get the data source tvbuff */
tvb = g_object_get_data(G_OBJECT(widget), E_BYTE_VIEW_TVBUFF_KEY);
return highlight_field(tvb, byte, tree_view, tree);
}
/* This highlights the field in the proto tree that is at position byte */
gboolean
highlight_field(tvbuff_t *tvb, gint byte, GtkTreeView *tree_view,
proto_tree *tree)
{
GtkTreeModel *model;
GtkTreePath *first_path, *path;
GtkTreeIter parent;
struct field_lookup_info fli;
field_info *finfo;
/* Find the finfo that corresponds to our byte. */
finfo = proto_find_field_from_offset(tree, byte, tvb);
if (!finfo) {
return FALSE;
}
model = gtk_tree_view_get_model(tree_view);
fli.fi = finfo;
gtk_tree_model_foreach(model, lookup_finfo, &fli);
/* Expand our field's row */
first_path = gtk_tree_model_get_path(model, &fli.iter);
gtk_tree_view_expand_row(tree_view, first_path, FALSE);
expand_tree(tree_view, &fli.iter, NULL, NULL);
/* ... and its parents */
while (gtk_tree_model_iter_parent(model, &parent, &fli.iter)) {
path = gtk_tree_model_get_path(model, &parent);
gtk_tree_view_expand_row(tree_view, path, FALSE);
expand_tree(tree_view, &parent, NULL, NULL);
fli.iter = parent;
gtk_tree_path_free(path);
}
/* select our field's row */
gtk_tree_selection_select_path(gtk_tree_view_get_selection(tree_view),
first_path);
/* And position the window so the selection is visible.
* Position the selection in the middle of the viewable
* pane. */
gtk_tree_view_scroll_to_cell(tree_view, first_path, NULL, TRUE, 0.5, 0.0);
gtk_tree_path_free(first_path);
return TRUE;
}
/* Calls functions for different mouse-button presses. */
static gint
byte_view_button_press_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
{
GdkEventButton *event_button = NULL;
if(widget == NULL || event == NULL || data == NULL) {
return FALSE;
}
if(event->type == GDK_BUTTON_PRESS) {
event_button = (GdkEventButton *) event;
/* To qoute the "Gdk Event Structures" doc:
* "Normally button 1 is the left mouse button, 2 is the middle button, and 3 is the right button" */
switch(event_button->button) {
case 1:
return byte_view_select(widget, event_button);
case 3:
return popup_menu_handler(widget, event, data);
default:
return FALSE;
}
}
return FALSE;
}
GtkWidget *
byte_view_new(void)
{
GtkWidget *byte_nb;
byte_nb = gtk_notebook_new();
gtk_notebook_set_tab_pos(GTK_NOTEBOOK(byte_nb), GTK_POS_BOTTOM);
/* this will only have an effect, if no tabs are shown */
gtk_notebook_set_show_border(GTK_NOTEBOOK(byte_nb), FALSE);
/* set the tabs scrollable, if they don't fit into the pane */
gtk_notebook_set_scrollable(GTK_NOTEBOOK(byte_nb), TRUE);
/* enable a popup menu containing the tab labels, will be helpful if tabs don't fit into the pane */
gtk_notebook_popup_enable(GTK_NOTEBOOK(byte_nb));
/* Add a placeholder byte view so that there's at least something
displayed in the byte view notebook. */
add_byte_tab(byte_nb, "", NULL, NULL, NULL);
return byte_nb;
}
static void
byte_view_realize_cb(GtkWidget *bv, gpointer data _U_)
{
const guint8 *byte_data;
guint byte_len;
byte_data = get_byte_view_data_and_length(bv, &byte_len);
if (byte_data == NULL) {
/* This must be the dummy byte view if no packet is selected. */
return;
}
packet_hex_print(bv, byte_data, cfile.current_frame, NULL, byte_len);
}
static GtkWidget *
add_byte_tab(GtkWidget *byte_nb, const char *name, tvbuff_t *tvb,
proto_tree *tree, GtkWidget *tree_view)
{
GtkWidget *byte_view, *byte_scrollw, *label;
GtkTextBuffer *buf;
GtkStyle *style;
/* Byte view. Create a scrolled window for the text. */
byte_scrollw = scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(byte_scrollw),
GTK_SHADOW_IN);
/* Add scrolled pane to tabbed window */
label = gtk_label_new(name);
gtk_notebook_append_page(GTK_NOTEBOOK(byte_nb), byte_scrollw, label);
gtk_widget_show(byte_scrollw);
byte_view = gtk_text_view_new();
gtk_text_view_set_editable(GTK_TEXT_VIEW(byte_view), FALSE);
gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(byte_view), FALSE);
buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(byte_view));
style = gtk_widget_get_style(GTK_WIDGET(packet_list));
gtk_text_buffer_create_tag(buf, "plain", "font-desc", user_font_get_regular(), NULL);
gtk_text_buffer_create_tag(buf, "reverse",
"font-desc", user_font_get_regular(),
"foreground-gdk", &style->text[GTK_STATE_SELECTED],
"background-gdk", &style->base[GTK_STATE_SELECTED],
NULL);
gtk_text_buffer_create_tag(buf, "bold", "font-desc", user_font_get_bold(), NULL);
g_object_set_data(G_OBJECT(byte_view), E_BYTE_VIEW_TVBUFF_KEY, tvb);
gtk_container_add(GTK_CONTAINER(byte_scrollw), byte_view);
g_signal_connect(byte_view, "show", G_CALLBACK(byte_view_realize_cb), NULL);
g_signal_connect(byte_view, "button_press_event", G_CALLBACK(byte_view_button_press_cb),
g_object_get_data(G_OBJECT(popup_menu_object), PM_HEXDUMP_KEY));
g_object_set_data(G_OBJECT(byte_view), E_BYTE_VIEW_TREE_PTR, tree);
g_object_set_data(G_OBJECT(byte_view), E_BYTE_VIEW_TREE_VIEW_PTR, tree_view);
gtk_widget_show(byte_view);
/* no tabs if this is the first page */
if (!(gtk_notebook_page_num(GTK_NOTEBOOK(byte_nb), byte_scrollw)))
gtk_notebook_set_show_tabs(GTK_NOTEBOOK(byte_nb), FALSE);
else
gtk_notebook_set_show_tabs(GTK_NOTEBOOK(byte_nb), TRUE);
/* set this page (this will print the packet data) */
gtk_notebook_set_page(GTK_NOTEBOOK(byte_nb),
gtk_notebook_page_num(GTK_NOTEBOOK(byte_nb), byte_nb));
return byte_view;
}
void
add_main_byte_views(epan_dissect_t *edt)
{
add_byte_views(edt, tree_view, byte_nb_ptr);
}
void
add_byte_views(epan_dissect_t *edt, GtkWidget *tree_view,
GtkWidget *byte_nb_ptr)
{
GSList *src_le;
data_source *src;
/*
* Get rid of all the old notebook tabs.
*/
while (gtk_notebook_get_nth_page(GTK_NOTEBOOK(byte_nb_ptr), 0) != NULL)
gtk_notebook_remove_page(GTK_NOTEBOOK(byte_nb_ptr), 0);
/*
* Add to the specified byte view notebook tabs for hex dumps
* of all the data sources for the specified frame.
*/
for (src_le = edt->pi.data_src; src_le != NULL; src_le = src_le->next) {
src = src_le->data;
add_byte_tab(byte_nb_ptr, src->name, src->tvb, edt->tree,
tree_view);
}
/*
* Initially select the first byte view.
*/
gtk_notebook_set_page(GTK_NOTEBOOK(byte_nb_ptr), 0);
}
static GtkWidget *savehex_dlg=NULL;
static void
savehex_dlg_destroy_cb(void)
{
savehex_dlg = NULL;
}
static void copy_hex_all_info(GString* copy_buffer, const guint8* data_p, int data_len, gboolean append_text)
{
const int byte_line_length = 16; /* Print out data for 16 bytes on one line */
int i, j;
gboolean end_of_line = TRUE; /* Initial state is end of line */
int byte_line_part_length;
GString* hex_str;
GString* char_str;
/* Write hex data for a line, then ascii data, then concatenate and add to buffer */
hex_str = g_string_new("");
char_str= g_string_new("");
i = 0;
while (i<data_len){
if(end_of_line) {
g_string_append_printf(hex_str,"%04x ",i); /* Offset - note that we _append_ here */
}
g_string_append_printf(hex_str," %02x",*data_p);
if(append_text) {
g_string_append_printf(char_str,"%c",isprint(*data_p) ? *data_p : '.');
}
++data_p;
/* Look ahead to see if this is the end of the data */
byte_line_part_length = (++i) % byte_line_length;
if(i == data_len){
/* End of data - need to fill in spaces in hex string and then do "end of line".
*
*/
for(j = 0; append_text && (j < (byte_line_length - byte_line_part_length)); ++j) {
g_string_append(hex_str," "); /* Three spaces for each missing byte */
}
end_of_line = TRUE;
} else {
end_of_line = (byte_line_part_length == 0 ? TRUE : FALSE);
}
if (end_of_line){
/* End of line */
g_string_append(copy_buffer, hex_str->str);
if(append_text) {
/* Two spaces between hex and text */
g_string_append_c(copy_buffer, ' ');
g_string_append_c(copy_buffer, ' ');
g_string_append(copy_buffer, char_str->str);
}
/* Setup ready for next line */
g_string_assign(char_str,"");
g_string_assign(hex_str, "\n");
}
}
g_string_free(hex_str, TRUE);
g_string_free(char_str, TRUE);
}
static
int copy_hex_bytes_text_only(GString* copy_buffer, const guint8* data_p, int data_len _U_)
{
gchar to_append;
if(isprint(*data_p)) {
to_append = *data_p;
} else if(*data_p==0x0a) {
to_append = '\n'; /* Copied from old copy_hex_cb function; not sure why this is needed - portablity?*/
} else {
return 1; /* Just ignore non-printable bytes */
}
g_string_append_c(copy_buffer,to_append);
return 1;
}
static
int copy_hex_bytes_hex(GString* copy_buffer, const guint8* data_p, int data_len _U_)
{
g_string_append_printf(copy_buffer, "%02x", *data_p);
return 1;
}
void
copy_hex_cb(GtkWidget * w _U_, gpointer data _U_, copy_data_type data_type)
{
GtkWidget *bv;
guint len = 0;
int bytes_consumed = 0;
int flags;
const guint8* data_p;
GString* copy_buffer = g_string_new(""); /* String to copy to clipboard */
bv = get_notebook_bv_ptr(byte_nb_ptr);
if (bv == NULL) {
/* shouldn't happen */
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "Could not find the corresponding text window!");
return;
}
data_p = get_byte_view_data_and_length(bv, &len);
g_assert(data_p != NULL);
flags = data_type & CD_FLAGSMASK;
data_type = data_type & CD_TYPEMASK;
if(flags & CD_FLAGS_SELECTEDONLY) {
int start, end;
/* Get the start and end of the highlighted bytes.
* XXX The keys appear to be REVERSED start <-> end throughout this file!
* Should this be fixed? There is one exception - packet_hex_reprint,
* so can't just change it round without functional change.
*/
end = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_START_KEY));
start = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_END_KEY));
if(start >= 0 && end > start && (end - start <= (int)len)) {
len = end - start;
data_p += start;
}
}
switch(data_type) {
case(CD_ALLINFO):
/* This is too different from other text formats - handle separately */
copy_hex_all_info(copy_buffer, data_p, len, TRUE);
break;
case(CD_HEXCOLUMNS):
/* This could be done incrementally, but it is easier to mingle with the code for CD_ALLINFO */
copy_hex_all_info(copy_buffer, data_p, len, FALSE);
break;
case(CD_BINARY):
/* Completely different logic to text copies - leave copy buffer alone */
copy_binary_to_clipboard(data_p,len);
break;
default:
/* Incrementally write to text buffer in various formats */
while (len > 0){
switch(data_type) {
case (CD_TEXTONLY):
bytes_consumed = copy_hex_bytes_text_only(copy_buffer, data_p, len);
break;
case (CD_HEX):
bytes_consumed = copy_hex_bytes_hex(copy_buffer, data_p, len);
break;
default:
g_assert_not_reached();
break;
}
g_assert(bytes_consumed>0);
data_p += bytes_consumed;
len -= bytes_consumed;
}
break;
}
if(copy_buffer->len > 0) {
copy_to_clipboard(copy_buffer);
}
g_string_free(copy_buffer, TRUE);
}
/* save the current highlighted hex data */
static void
savehex_save_clicked_cb(GtkWidget * w _U_, gpointer data _U_)
{
GtkWidget *bv;
int fd, start, end;
guint len;
const guint8 *data_p = NULL;
const char *file = NULL;
file = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(savehex_dlg));
if (!file ||! *file) {
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "Please enter a filename!");
return;
}
/* Must check if file name exists first */
bv = get_notebook_bv_ptr(byte_nb_ptr);
if (bv == NULL) {
/* shouldn't happen */
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "Could not find the corresponding text window!");
return;
}
/*
* Retrieve the info we need
*/
end = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_START_KEY));
start = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_END_KEY));
data_p = get_byte_view_data_and_length(bv, &len);
if (data_p == NULL || start == -1 || start > end) {
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK,
"No data selected to save!");
return;
}
fd = ws_open(file, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0666);
if (fd == -1) {
open_failure_alert_box(file, errno, TRUE);
return;
}
if (ws_write(fd, data_p + start, end - start) < 0) {
write_failure_alert_box(file, errno);
ws_close(fd);
return;
}
if (ws_close(fd) < 0) {
write_failure_alert_box(file, errno);
return;
}
/* Get rid of the dialog box */
window_destroy(GTK_WIDGET(savehex_dlg));
}
/* Launch the dialog box to put up the file selection box etc */
void savehex_cb(GtkWidget * w _U_, gpointer data _U_)
{
int start, end;
guint len;
const guint8 *data_p = NULL;
gchar *label;
GtkWidget *bv;
GtkWidget *dlg_lb;
#if _WIN32
win32_export_raw_file(GDK_WINDOW_HWND(top_level->window));
return;
#endif
/* don't show up the dialog, if no data has to be saved */
bv = get_notebook_bv_ptr(byte_nb_ptr);
if (bv == NULL) {
/* shouldn't happen */
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "Could not find the corresponding text window!");
return;
}
end = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_START_KEY));
start = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_END_KEY));
data_p = get_byte_view_data_and_length(bv, &len);
if (data_p == NULL || start == -1 || start > end) {
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "No data selected to save!");
return;
}
/* if the window is already open, bring it to front */
if(savehex_dlg){
reactivate_window(savehex_dlg);
return;
}
/*
* Build the dialog box we need.
*/
savehex_dlg = file_selection_new("Wireshark: Export Selected Packet Bytes", FILE_SELECTION_SAVE);
/* label */
label = g_strdup_printf("Will save %u %s of raw binary data to specified file.",
end - start, plurality(end - start, "byte", "bytes"));
dlg_lb = gtk_label_new(label);
g_free(label);
file_selection_set_extra_widget(savehex_dlg, dlg_lb);
gtk_widget_show(dlg_lb);
g_signal_connect(savehex_dlg, "destroy", G_CALLBACK(savehex_dlg_destroy_cb), NULL);
if (gtk_dialog_run(GTK_DIALOG(savehex_dlg)) == GTK_RESPONSE_ACCEPT) {
savehex_save_clicked_cb(savehex_dlg, savehex_dlg);
} else {
window_destroy(savehex_dlg);
}
}
/* Update the progress bar this many times when reading a file. */
#define N_PROGBAR_UPDATES 100
/*
* XXX - at least in GTK+ 2.x, this is not fast - in one capture with a
* 64K-or-so reassembled HTTP reply, it takes about 3 seconds to construct
* the hex dump pane on a 1.4 GHz G4 PowerMac on OS X 10.3.3. (That's
* presumably why there's a progress bar for it.)
*
* Perhaps what's needed is a custom widget (either one that lets you stuff
* text into it more quickly, or one that's a "virtual" widget so that the
* text for a row is constructed, via a callback, when the row is to be
* displayed). A custom widget might also let us treat the offset, hex
* data, and ASCII data as three columns, so you can select purely in
* the hex dump column.
*/
static void
packet_hex_print_common(GtkWidget *bv, const guint8 *pd, int len, int bstart,
int bend, int astart, int aend, int encoding)
{
int i = 0, j, k, cur;
guchar line[MAX_LINES_LEN + 1];
static guchar hexchars[16] = {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
guchar c = '\0';
unsigned int use_digits;
gboolean reverse, newreverse;
GtkTextView *bv_text_view = GTK_TEXT_VIEW(bv);
GtkTextBuffer *buf = gtk_text_view_get_buffer(bv_text_view);
GtkTextIter iter;
const char *revstyle;
GtkTextMark *mark = NULL;
progdlg_t *progbar = NULL;
float progbar_val;
gboolean progbar_stop_flag;
GTimeVal progbar_start_time;
gchar progbar_status_str[100];
int progbar_nextstep;
int progbar_quantum;
gtk_text_buffer_set_text(buf, "", 0);
gtk_text_buffer_get_start_iter(buf, &iter);
g_object_ref(buf);
gtk_text_view_set_buffer( bv_text_view, NULL);
/*
* How many of the leading digits of the offset will we supply?
* We always supply at least 4 digits, but if the maximum offset
* won't fit in 4 digits, we use as many digits as will be needed.
*/
if (((len - 1) & 0xF0000000) != 0)
use_digits = 8; /* need all 8 digits */
else if (((len - 1) & 0x0F000000) != 0)
use_digits = 7; /* need 7 digits */
else if (((len - 1) & 0x00F00000) != 0)
use_digits = 6; /* need 6 digits */
else if (((len - 1) & 0x000F0000) != 0)
use_digits = 5; /* need 5 digits */
else
use_digits = 4; /* we'll supply 4 digits */
/* Record the number of digits in this text view. */
g_object_set_data(G_OBJECT(bv), E_BYTE_VIEW_NDIGITS_KEY, GUINT_TO_POINTER(use_digits));
/* 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 = len/N_PROGBAR_UPDATES;
/* Progress so far. */
progbar_val = 0.0;
progbar_stop_flag = FALSE;
g_get_current_time(&progbar_start_time);
cur = 0;
while (i < len) {
/* 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 packet, 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("Processing", "Packet Details",
TRUE,
&progbar_stop_flag,
&progbar_start_time,
progbar_val);
/* Update the progress bar, but do it only N_PROGBAR_UPDATES times;
when we update it, we have to run the GTK+ main loop to get it
to repaint what's pending, and doing so may involve an "ioctl()"
to see if there's any pending input from an X server, and doing
that for every packet can be costly, especially on a big file. */
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(len > 0);
progbar_val = (gfloat) i / len;
if (progbar != NULL) {
g_snprintf(progbar_status_str, sizeof(progbar_status_str),
"%4u of %u bytes", i, len);
update_progress_dlg(progbar, progbar_val, progbar_status_str);
}
progbar_nextstep += progbar_quantum;
}
if (progbar_stop_flag) {
/* Well, the user decided to abort the operation. Just stop,
and arrange to return TRUE to our caller, so they know it
was stopped explicitly. */
break;
}
/* Print the line number */
j = use_digits;
do {
j--;
c = (i >> (j*4)) & 0xF;
line[cur++] = hexchars[c];
} while (j != 0);
line[cur++] = ' ';
line[cur++] = ' ';
/* Display with inverse video ? */
if (prefs.gui_hex_dump_highlight_style)
revstyle = "reverse";
else
revstyle = "bold";
/* Do we start in reverse? */
reverse = (i >= bstart && i < bend) || (i >= astart && i < aend);
j = i;
k = i + BYTE_VIEW_WIDTH;
if (reverse) {
gtk_text_buffer_insert_with_tags_by_name(buf, &iter, line, cur,
"plain", NULL);
cur = 0;
}
/* Print the hex bit */
while (i < k) {
if (i < len) {
line[cur++] = hexchars[(pd[i] & 0xf0) >> 4];
line[cur++] = hexchars[pd[i] & 0x0f];
} else {
line[cur++] = ' '; line[cur++] = ' ';
}
i++;
newreverse = (i >= bstart && i < bend) || (i >= astart && i < aend);
/* Have we gone from reverse to plain? */
if (reverse && (reverse != newreverse)) {
gtk_text_buffer_insert_with_tags_by_name(buf, &iter, line, cur,
revstyle, NULL);
cur = 0;
}
/* Inter byte space if not at end of line */
if (i < k) {
line[cur++] = ' ';
/* insert a space every BYTE_VIEW_SEP bytes */
if( ( i % BYTE_VIEW_SEP ) == 0 ) {
line[cur++] = ' ';
}
}
/* Have we gone from plain to reversed? */
if (!reverse && (reverse != newreverse)) {
gtk_text_buffer_insert_with_tags_by_name(buf, &iter, line, cur,
"plain", NULL);
mark = gtk_text_buffer_create_mark(buf, NULL, &iter, TRUE);
cur = 0;
}
reverse = newreverse;
}
if (reverse) {
/* Print remaining part of line */
gtk_text_buffer_insert_with_tags_by_name(buf, &iter, line, cur,
revstyle, NULL);
cur = 0;
}
/* Print some space at the end of the line */
line[cur++] = ' '; line[cur++] = ' '; line[cur++] = ' ';
/* Print the ASCII bit */
i = j;
/* Do we start in reverse? */
reverse = (i >= bstart && i < bend) || (i >= astart && i < aend);
if (reverse) {
gtk_text_buffer_insert_with_tags_by_name(buf, &iter, line, cur,
"plain",NULL);
cur = 0;
}
while (i < k) {
if (i < len) {
if (encoding == CHAR_ASCII) {
c = pd[i];
}
else if (encoding == CHAR_EBCDIC) {
c = EBCDIC_to_ASCII1(pd[i]);
}
else {
g_assert_not_reached();
}
line[cur++] = isprint(c) ? c : '.';
} else {
line[cur++] = ' ';
}
i++;
newreverse = (i >= bstart && i < bend) || (i >= astart && i < aend);
/* Have we gone from reverse to plain? */
if (reverse && (reverse != newreverse)) {
gtk_text_buffer_insert_with_tags_by_name(buf, &iter, line, cur,
revstyle, NULL);
cur = 0;
}
if (i < k) {
/* insert a space every BYTE_VIEW_SEP bytes */
if( ( i % BYTE_VIEW_SEP ) == 0 ) {
line[cur++] = ' ';
}
}
/* Have we gone from plain to reversed? */
if (!reverse && (reverse != newreverse)) {
gtk_text_buffer_insert_with_tags_by_name(buf, &iter, line, cur,
"plain", NULL);
cur = 0;
}
reverse = newreverse;
}
/* Print remaining part of line */
if (reverse) {
gtk_text_buffer_insert_with_tags_by_name(buf, &iter, line, cur,
revstyle, NULL);
cur = 0;
}
line[cur++] = '\n';
if (cur >= (MAX_LINES_LEN - MAX_LINE_LEN)) {
gtk_text_buffer_insert_with_tags_by_name(buf, &iter, line, cur,
"plain", NULL);
cur = 0;
}
}
/* We're done printing the packets; destroy the progress bar if
it was created. */
if (progbar != NULL)
destroy_progress_dlg(progbar);
/* scroll text into position */
if (cur) {
gtk_text_buffer_insert_with_tags_by_name(buf, &iter, line, cur,
"plain", NULL);
}
gtk_text_view_set_buffer( bv_text_view, buf);
if (mark) {
gtk_text_view_scroll_to_mark(bv_text_view, mark, 0.0, TRUE, 1.0, 0.0);
gtk_text_buffer_delete_mark(buf, mark);
}
g_object_unref(buf);
}
void
packet_hex_print(GtkWidget *bv, const guint8 *pd, frame_data *fd,
field_info *finfo, guint len)
{
/* do the initial printing and save the information needed */
/* to redraw the display if preferences change. */
int bstart = -1, bend = -1, blen = -1;
int astart = -1, aend = -1, alen = -1;
if (finfo != NULL) {
bstart = finfo->start;
blen = finfo->length;
astart = finfo->appendix_start;
alen = finfo->appendix_length;
}
if (bstart >= 0 && blen >= 0) {
bend = bstart + blen;
}
if (astart >= 0 && alen >= 0) {
aend = astart + alen;
}
/* save the information needed to redraw the text */
/* should we save the fd & finfo pointers instead ?? */
g_object_set_data(G_OBJECT(bv), E_BYTE_VIEW_START_KEY, GINT_TO_POINTER(bend));
g_object_set_data(G_OBJECT(bv), E_BYTE_VIEW_END_KEY, GINT_TO_POINTER(bstart));
g_object_set_data(G_OBJECT(bv), E_BYTE_VIEW_APP_START_KEY, GINT_TO_POINTER(aend));
g_object_set_data(G_OBJECT(bv), E_BYTE_VIEW_APP_END_KEY, GINT_TO_POINTER(astart));
g_object_set_data(G_OBJECT(bv), E_BYTE_VIEW_ENCODE_KEY,
GUINT_TO_POINTER((guint)fd->flags.encoding));
packet_hex_print_common(bv, pd, len, bstart, bend, astart, aend, fd->flags.encoding);
}
/*
* Redraw the text using the saved information; usually called if
* the preferences have changed.
*/
void
packet_hex_reprint(GtkWidget *bv)
{
int start, end, encoding;
int astart, aend;
const guint8 *data;
guint len = 0;
start = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_START_KEY));
end = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_END_KEY));
astart = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_APP_START_KEY));
aend = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_APP_END_KEY));
data = get_byte_view_data_and_length(bv, &len);
g_assert(data != NULL);
encoding = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(bv), E_BYTE_VIEW_ENCODE_KEY));
packet_hex_print_common(bv, data, len, start, end, astart, aend, encoding);
}
/* List of all protocol tree widgets, so we can globally set the selection
mode and font of all of them. */
static GList *ptree_widgets;
/* Add a protocol tree widget to the list of protocol tree widgets. */
static void forget_ptree_widget(GtkWidget *ptreew, gpointer data);
static void
remember_ptree_widget(GtkWidget *ptreew)
{
ptree_widgets = g_list_append(ptree_widgets, ptreew);
/* Catch the "destroy" event on the widget, so that we remove it from
the list when it's destroyed. */
g_signal_connect(ptreew, "destroy", G_CALLBACK(forget_ptree_widget), NULL);
}
/* Remove a protocol tree widget from the list of protocol tree widgets. */
static void
forget_ptree_widget(GtkWidget *ptreew, gpointer data _U_)
{
ptree_widgets = g_list_remove(ptree_widgets, ptreew);
}
/* Set the selection mode of a given packet tree window. */
static void
set_ptree_sel_browse(GtkWidget *tree, gboolean val)
{
GtkTreeSelection *selection;
selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree));
/* Yeah, GTK uses "browse" in the case where we do not, but oh well.
I think "browse" in Wireshark makes more sense than "SINGLE" in
GTK+ */
if (val) {
gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
}
else {
gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
}
}
static void
set_ptree_sel_browse_cb(gpointer data, gpointer user_data)
{
set_ptree_sel_browse((GtkWidget *)data, *(gboolean *)user_data);
}
/* Set the selection mode of all packet tree windows. */
void
set_ptree_sel_browse_all(gboolean val)
{
g_list_foreach(ptree_widgets, set_ptree_sel_browse_cb, &val);
}
static void
set_ptree_font_cb(gpointer data, gpointer user_data)
{
gtk_widget_modify_font((GtkWidget *)data,
(PangoFontDescription *)user_data);
}
void
set_ptree_font_all(PangoFontDescription *font)
{
g_list_foreach(ptree_widgets, set_ptree_font_cb, font);
}
gboolean colors_ok = FALSE;
GdkColor expert_color_chat = { 0, 0xcc00, 0xcc00, 0xe000 }; /* a pale bluegrey */
GdkColor expert_color_note = { 0, 0xa000, 0xff00, 0xff00 }; /* a bright turquoise */
GdkColor expert_color_warn = { 0, 0xff00, 0xff00, 0 }; /* yellow */
GdkColor expert_color_error = { 0, 0xff00, 0x5c00, 0x5c00 }; /* pale red */
GdkColor expert_color_foreground = { 0, 0x0000, 0x0000, 0x0000 }; /* black */
GdkColor hidden_proto_item = { 0, 0x4400, 0x4400, 0x4400 }; /* gray */
void proto_draw_colors_init(void)
{
if(colors_ok) {
return;
}
get_color(&expert_color_chat);
get_color(&expert_color_note);
get_color(&expert_color_warn);
get_color(&expert_color_error);
get_color(&expert_color_foreground);
get_color(&hidden_proto_item);
colors_ok = TRUE;
}
static void tree_cell_renderer(GtkTreeViewColumn *tree_column _U_,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data _U_)
{
field_info *fi;
gtk_tree_model_get(tree_model, iter, 1, &fi, -1);
if(!colors_ok) {
proto_draw_colors_init();
}
/* for the various possible attributes, see:
* http://developer.gnome.org/doc/API/2.0/gtk/GtkCellRendererText.html
*
* color definitions can be found at:
* http://cvs.gnome.org/viewcvs/gtk+/gdk-pixbuf/io-xpm.c?rev=1.42
* (a good color overview: http://www.computerhope.com/htmcolor.htm)
*
* some experiences:
* background-gdk: doesn't seem to work (probably the GdkColor must be allocated)
* weight/style: doesn't take any effect
*/
/* for each field, we have to reset the renderer attributes */
g_object_set (cell, "foreground-set", FALSE, NULL);
g_object_set (cell, "background-set", FALSE, NULL);
g_object_set (cell, "underline", PANGO_UNDERLINE_NONE, NULL);
g_object_set (cell, "underline-set", FALSE, NULL);
/*g_object_set (cell, "style", PANGO_STYLE_NORMAL, NULL);
g_object_set (cell, "style-set", FALSE, NULL);*/
/*g_object_set (cell, "weight", PANGO_WEIGHT_NORMAL, NULL);
g_object_set (cell, "weight-set", FALSE, NULL);*/
if(FI_GET_FLAG(fi, FI_GENERATED)) {
/* we use "[...]" to mark generated items, no need to change things here */
/* as some fonts don't support italic, don't use this */
/*g_object_set (cell, "style", PANGO_STYLE_ITALIC, NULL);
g_object_set (cell, "style-set", TRUE, NULL);
*/
/*g_object_set (cell, "weight", PANGO_WEIGHT_BOLD, NULL);
g_object_set (cell, "weight-set", TRUE, NULL);*/
} else if(FI_GET_FLAG(fi, FI_HIDDEN)) {
g_object_set (cell, "foreground-gdk", &hidden_proto_item, NULL);
g_object_set (cell, "foreground-set", TRUE, NULL);
}
if(fi->hfinfo->type == FT_PROTOCOL) {
g_object_set (cell, "background", "gray90", NULL);
g_object_set (cell, "background-set", TRUE, NULL);
g_object_set (cell, "foreground", "black", NULL);
g_object_set (cell, "foreground-set", TRUE, NULL);
/*g_object_set (cell, "weight", PANGO_WEIGHT_BOLD, NULL);
g_object_set (cell, "weight-set", TRUE, NULL);*/
}
if((fi->hfinfo->type == FT_FRAMENUM) ||
(FI_GET_FLAG(fi, FI_URL) && IS_FT_STRING(fi->hfinfo->type))) {
render_as_url(cell);
}
if(FI_GET_FLAG(fi, PI_SEVERITY_MASK)) {
switch(FI_GET_FLAG(fi, PI_SEVERITY_MASK)) {
case(PI_CHAT):
g_object_set (cell, "background-gdk", &expert_color_chat, NULL);
g_object_set (cell, "background-set", TRUE, NULL);
break;
case(PI_NOTE):
g_object_set (cell, "background-gdk", &expert_color_note, NULL);
g_object_set (cell, "background-set", TRUE, NULL);
break;
case(PI_WARN):
g_object_set (cell, "background-gdk", &expert_color_warn, NULL);
g_object_set (cell, "background-set", TRUE, NULL);
break;
case(PI_ERROR):
g_object_set (cell, "background-gdk", &expert_color_error, NULL);
g_object_set (cell, "background-set", TRUE, NULL);
break;
default:
g_assert_not_reached();
}
g_object_set (cell, "foreground", "black", NULL);
g_object_set (cell, "foreground-set", TRUE, NULL);
}
}
GtkWidget *
main_tree_view_new(e_prefs *prefs, GtkWidget **tree_view_p)
{
GtkWidget *tv_scrollw, *tree_view;
GtkTreeStore *store;
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
gint col_offset;
/* Tree view */
tv_scrollw = scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(tv_scrollw),
GTK_SHADOW_IN);
store = gtk_tree_store_new(2, G_TYPE_STRING, G_TYPE_POINTER);
tree_view = tree_view_new(GTK_TREE_MODEL(store));
g_object_unref(G_OBJECT(store));
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(tree_view), FALSE);
renderer = gtk_cell_renderer_text_new();
g_object_set (renderer, "ypad", 0, NULL);
col_offset = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(tree_view),
-1, "Name", renderer,
"text", 0, NULL);
column = gtk_tree_view_get_column(GTK_TREE_VIEW(tree_view),
col_offset - 1);
gtk_tree_view_column_set_cell_data_func(column,
renderer,
tree_cell_renderer,
NULL,
NULL);
gtk_tree_view_column_set_sizing(GTK_TREE_VIEW_COLUMN(column),
GTK_TREE_VIEW_COLUMN_AUTOSIZE);
g_signal_connect(tree_view, "row-expanded", G_CALLBACK(expand_tree), NULL);
g_signal_connect(tree_view, "row-collapsed", G_CALLBACK(collapse_tree), NULL);
gtk_container_add( GTK_CONTAINER(tv_scrollw), tree_view );
set_ptree_sel_browse(tree_view, prefs->gui_ptree_sel_browse);
gtk_widget_modify_font(tree_view, user_font_get_regular());
remember_ptree_widget(tree_view);
*tree_view_p = tree_view;
return tv_scrollw;
}
void expand_all_tree(proto_tree *protocol_tree _U_, GtkWidget *tree_view)
{
int i;
for(i=0; i < num_tree_types; i++) {
tree_is_expanded[i] = TRUE;
}
gtk_tree_view_expand_all(GTK_TREE_VIEW(tree_view));
}
void collapse_all_tree(proto_tree *protocol_tree _U_, GtkWidget *tree_view)
{
int i;
for(i=0; i < num_tree_types; i++) {
tree_is_expanded[i] = FALSE;
}
gtk_tree_view_collapse_all(GTK_TREE_VIEW(tree_view));
}
struct proto_tree_draw_info {
GtkTreeView *tree_view;
GtkTreeIter *iter;
};
void
main_proto_tree_draw(proto_tree *protocol_tree)
{
proto_tree_draw(protocol_tree, tree_view);
}
static void
tree_view_follow_link(field_info *fi)
{
gchar *url;
if(fi->hfinfo->type == FT_FRAMENUM) {
cf_goto_frame(&cfile, fi->value.value.uinteger);
}
if(FI_GET_FLAG(fi, FI_URL) && IS_FT_STRING(fi->hfinfo->type)) {
url = g_strndup(tvb_get_ptr(fi->ds_tvb, fi->start, fi->length), fi->length);
browser_open_url(url);
g_free(url);
}
}
/* If the user selected a position in the tree view, try to find
* the item in the GUI proto_tree that corresponds to that byte, and
* select it. */
gboolean
tree_view_select(GtkWidget *widget, GdkEventButton *event)
{
GtkTreeSelection *sel;
GtkTreePath *path;
if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget),
(gint) (((GdkEventButton *)event)->x),
(gint) (((GdkEventButton *)event)->y),
&path, NULL, NULL, NULL))
{
sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
/* if that's a doubleclick, try to follow the link */
if(event->type == GDK_2BUTTON_PRESS) {
GtkTreeModel *model;
GtkTreeIter iter;
field_info *fi;
if(gtk_tree_selection_get_selected (sel, &model, &iter)) {
gtk_tree_model_get(model, &iter, 1, &fi, -1);
tree_view_follow_link(fi);
}
}
else if (((GdkEventButton *)event)->button != 1) {
/* if button == 1 gtk_tree_selection_select_path is already (or will be) called by the widget */
gtk_tree_selection_select_path(sel, path);
}
} else {
return FALSE;
}
return TRUE;
}
/* fill the whole protocol tree with the string values */
void
proto_tree_draw(proto_tree *protocol_tree, GtkWidget *tree_view)
{
GtkTreeStore *store;
struct proto_tree_draw_info info;
info.tree_view = GTK_TREE_VIEW(tree_view);
info.iter = NULL;
store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(tree_view)));
/*
* Clear out any crud left over in the display of the protocol
* tree, by removing all nodes from the tree.
* This is how it's done in testgtk.c in GTK+.
*/
gtk_tree_store_clear(store);
proto_tree_children_foreach(protocol_tree, proto_tree_draw_node, &info);
}
/* fill a single protocol tree item with the string value */
static void
proto_tree_draw_node(proto_node *node, gpointer data)
{
struct proto_tree_draw_info info;
struct proto_tree_draw_info *parent_info = (struct proto_tree_draw_info*) data;
field_info *fi = PITEM_FINFO(node);
gchar label_str[ITEM_LABEL_LENGTH];
gchar *label_ptr;
gboolean is_leaf, is_expanded;
GtkTreeStore *store;
GtkTreeIter iter;
GtkTreePath *path;
if (PROTO_ITEM_IS_HIDDEN(node) && !prefs.display_hidden_proto_items)
return;
/* was a free format label produced? */
if (fi->rep) {
label_ptr = fi->rep->representation;
}
else { /* no, make a generic label */
label_ptr = label_str;
proto_item_fill_label(fi, label_str);
}
if (node->first_child != NULL) {
is_leaf = FALSE;
g_assert(fi->tree_type >= 0 && fi->tree_type < num_tree_types);
if (tree_is_expanded[fi->tree_type]) {
is_expanded = TRUE;
}
else {
is_expanded = FALSE;
}
}
else {
is_leaf = TRUE;
is_expanded = FALSE;
}
if (PROTO_ITEM_IS_GENERATED(node)) {
label_ptr = g_strdup_printf("[%s]", label_ptr);
} else if (PROTO_ITEM_IS_HIDDEN(node)) {
label_ptr = g_strdup_printf("<%s>", label_ptr);
}
info.tree_view = parent_info->tree_view;
store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(info.tree_view)));
gtk_tree_store_append(store, &iter, parent_info->iter);
gtk_tree_store_set(store, &iter, 0, label_ptr, 1, fi, -1);
if (PROTO_ITEM_IS_GENERATED(node) || PROTO_ITEM_IS_HIDDEN(node)) {
g_free(label_ptr);
}
if (!is_leaf) {
info.iter = &iter;
proto_tree_children_foreach(node, proto_tree_draw_node, &info);
path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
if (is_expanded)
gtk_tree_view_expand_to_path(info.tree_view, path);
else
gtk_tree_view_collapse_row(info.tree_view, path);
gtk_tree_path_free(path);
}
}
/*
* Clear the hex dump and protocol tree panes.
*/
void
clear_tree_and_hex_views(void)
{
/* Clear the hex dump by getting rid of all the byte views. */
while (gtk_notebook_get_nth_page(GTK_NOTEBOOK(byte_nb_ptr), 0) != NULL)
gtk_notebook_remove_page(GTK_NOTEBOOK(byte_nb_ptr), 0);
/* Add a placeholder byte view so that there's at least something
displayed in the byte view notebook. */
add_byte_tab(byte_nb_ptr, "", NULL, NULL, tree_view);
/* Clear the protocol tree by removing all nodes in the ctree.
This is how it's done in testgtk.c in GTK+ */
gtk_tree_store_clear(GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(tree_view))));
}
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