2 * Routines for GTK+ packet display
4 * $Id: proto_draw.c,v 1.30 2001/03/23 17:14:40 jfoster Exp $
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@zing.org>
8 * Copyright 1998 Gerald Combs
10 * Jeff Foster, 2001/03/12, added support for displaying named
11 * data sources as tabbed hex windows
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
32 #ifdef HAVE_SYS_TYPES_H
33 # include <sys/types.h>
41 #ifdef NEED_SNPRINTF_H
42 # include "snprintf.h"
54 #include "proto_draw.h"
55 #include "packet_win.h"
56 #include "gtkglobals.h"
58 #define BYTE_VIEW_WIDTH 16
59 #define BYTE_VIEW_SEP 8
62 GtkWidget *byte_nb_ptr;
65 proto_tree_draw_node(GNode *node, gpointer data);
69 get_notebook_bv_ptr( GtkWidget *nb_ptr){
71 /* Get the current text window for the notebook */
72 return gtk_object_get_data(GTK_OBJECT(nb_ptr), E_BYTE_VIEW_TEXT_INFO_KEY);
76 int get_byte_view_data( GtkWidget *byte_view_notebook, guint8 **data_ptr) {
78 /* get the data pointer and data length for a hex window */
79 /* return the length of the data or -1 on error */
81 GtkWidget *byte_view = get_notebook_bv_ptr( byte_view_notebook);
85 if ((*data_ptr = gtk_object_get_data(GTK_OBJECT(byte_view), E_BYTE_VIEW_DATA_PTR_KEY)))
86 return GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(byte_view),
87 E_BYTE_VIEW_DATA_LEN_KEY));
92 int get_byte_view_and_data( GtkWidget *byte_view_notebook, GtkWidget **byte_view, guint8 **data_ptr) {
94 /* Get both byte_view widget pointer and the data pointer */
95 /* return the data length or -1 if error */
97 *byte_view = get_notebook_bv_ptr( byte_view_notebook);
99 return get_byte_view_data( byte_view_notebook, data_ptr);
105 set_notebook_page( GtkWidget *nb_ptr, int num){
107 /* Set the current text window for the notebook and set the */
108 /* text window pointer storage */
112 gtk_notebook_set_page ( GTK_NOTEBOOK( nb_ptr), num);
114 child = gtk_notebook_get_nth_page( GTK_NOTEBOOK(nb_ptr), num);
115 child = gtk_object_get_data(GTK_OBJECT(child), E_BYTE_VIEW_TEXT_INFO_KEY);
116 gtk_object_set_data(GTK_OBJECT(nb_ptr), E_BYTE_VIEW_TEXT_INFO_KEY, child);
120 int find_notebook_page( GtkWidget *nb_ptr, gchar *label){
122 /* find the notebook page number for this label */
128 while(( child = gtk_notebook_get_nth_page(GTK_NOTEBOOK(nb_ptr), ++i))){
129 child = gtk_notebook_get_tab_label(GTK_NOTEBOOK(nb_ptr), child);
130 gtk_notebook_get_tab_label(GTK_NOTEBOOK(nb_ptr), child);
131 gtk_label_get(GTK_LABEL(child), &ptr);
132 if (!strcmp( label, ptr))
139 /* Redraw a given byte view window. */
141 redraw_hex_dump(GtkWidget *nb, frame_data *fd, field_info *finfo)
147 len = get_byte_view_and_data( byte_nb_ptr, &bv, &data);
149 packet_hex_print(GTK_TEXT(bv), data, fd, finfo, len);
153 redraw_hex_dump_all(void)
156 if (cfile.current_frame != NULL)
157 redraw_hex_dump( byte_nb_ptr, cfile.current_frame, finfo_selected);
159 redraw_hex_dump_packet_wins();
164 expand_tree(GtkCTree *ctree, GtkCTreeNode *node, gpointer user_data)
169 finfo = gtk_ctree_node_get_row_data( ctree, node);
172 val = &tree_is_expanded[finfo->tree_type];
177 collapse_tree(GtkCTree *ctree, GtkCTreeNode *node, gpointer user_data)
182 finfo = gtk_ctree_node_get_row_data( ctree, node);
185 val = &tree_is_expanded[finfo->tree_type];
189 /* Which byte the offset is referring to. Associates
190 * whitespace with the preceding digits. */
192 byte_num(int offset, int start_point)
194 return (offset - start_point) / 3;
198 /* If the user selected a certain byte in the byte view, try to find
199 * the item in the GUI proto_tree that corresponds to that byte, and
202 byte_view_select(GtkWidget *widget, GdkEventButton *event, gpointer data)
204 GtkCTree *ctree = GTK_CTREE(tree_view);
205 GtkCTreeNode *node, *parent;
207 GtkText *bv = GTK_TEXT(widget);
212 /* The column of the first hex digit in the first half */
213 const int digits_start_1 = 6;
214 /* The column of the last hex digit in the first half. */
215 const int digits_end_1 = 28;
217 /* The column of the first hex digit in the second half */
218 const int digits_start_2 = 31;
219 /* The column of the last hex digit in the second half. */
220 const int digits_end_2 = 53;
222 /* The column of the first "text dump" character in first half. */
223 const int text_start_1 = 57;
224 /* The column of the last "text dump" character in first half. */
225 const int text_end_1 = 64;
227 /* The column of the first "text dump" character in second half. */
228 const int text_start_2 = 66;
229 /* The column of the last "text dump" character in second half. */
230 const int text_end_2 = 73;
232 /* Given the mouse (x,y) and the current GtkText (h,v)
233 * adjustments, and the size of the font, figure out
234 * which text column/row the user selected. This could be off
235 * if the bold version of the font is bigger than the
236 * regular version of the font. */
237 column = (bv->hadj->value + event->x) / m_font_width;
238 row = (bv->vadj->value + event->y) / m_font_height;
240 /* Given the column and row, determine which byte offset
241 * the user clicked on. */
242 if (column >= digits_start_1 && column <= digits_end_1) {
243 byte = byte_num(column, digits_start_1);
248 else if (column >= digits_start_2 && column <= digits_end_2) {
249 byte = byte_num(column, digits_start_2);
255 else if (column >= text_start_1 && column <= text_end_1) {
256 byte = column - text_start_1;
258 else if (column >= text_start_2 && column <= text_end_2) {
259 byte = 8 + column - text_start_2;
262 /* The user didn't select a hex digit or
263 * text-dump character. */
267 /* Add the number of bytes from the previous rows. */
270 /* Get the data source name */
271 name = gtk_object_get_data(GTK_OBJECT(widget), E_BYTE_VIEW_NAME_KEY);
273 /* Find the finfo that corresponds to our byte. */
274 finfo = proto_find_field_from_offset(cfile.protocol_tree, byte, name);
280 node = gtk_ctree_find_by_row_data(ctree, NULL, finfo);
283 /* Expand and select our field's row */
284 gtk_ctree_expand(ctree, node);
285 gtk_ctree_select(ctree, node);
286 expand_tree(ctree, node, NULL);
288 /* ... and its parents */
289 parent = GTK_CTREE_ROW(node)->parent;
291 gtk_ctree_expand(ctree, parent);
292 expand_tree(ctree, parent, NULL);
293 parent = GTK_CTREE_ROW(parent)->parent;
296 /* And position the window so the selection is visible.
297 * Position the selection in the middle of the viewable
299 gtk_ctree_node_moveto(ctree, node, 0, .5, 0);
304 /* Calls functions for different mouse-button presses. */
306 byte_view_button_press_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
308 GdkEventButton *event_button = NULL;
310 if(widget == NULL || event == NULL || data == NULL) {
314 if(event->type == GDK_BUTTON_PRESS) {
315 event_button = (GdkEventButton *) event;
317 switch(event_button->button) {
320 return byte_view_select(widget, event_button, data);
322 return popup_menu_handler(widget, event, data);
333 create_byte_view(gint bv_size, GtkWidget *pane, GtkWidget **byte_nb_p,
334 GtkWidget **bv_scrollw_p, int pos)
336 GtkWidget *byte_scrollw, *byte_nb;
338 byte_nb = gtk_notebook_new();
339 gtk_notebook_set_tab_pos ( GTK_NOTEBOOK(byte_nb), GTK_POS_BOTTOM);
341 gtk_paned_pack2(GTK_PANED(pane), byte_nb, FALSE, FALSE);
342 gtk_widget_show(byte_nb);
344 /* Byte view. Create a scrolled window for the text. */
345 byte_scrollw = gtk_scrolled_window_new(NULL, NULL);
346 *byte_nb_p = byte_nb;
347 *bv_scrollw_p = byte_scrollw;
352 byte_view_realize_cb( GtkWidget *bv, gpointer data){
354 guint8* byte_data = gtk_object_get_data(GTK_OBJECT(bv), E_BYTE_VIEW_DATA_PTR_KEY);
355 int byte_len = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(bv), E_BYTE_VIEW_DATA_LEN_KEY));
357 packet_hex_print(GTK_TEXT(bv), byte_data, cfile.current_frame, NULL, byte_len);
362 GtkWidget *add_byte_tab( GtkWidget *byte_nb, const char *name, const guint8 *data, int len)
364 GtkWidget *byte_view, *byte_scrollw, *label;
367 /* Byte view. Create a scrolled window for the text. */
368 byte_scrollw = gtk_scrolled_window_new(NULL, NULL);
369 /* Add scrolled pane to tabbed window */
370 label = gtk_label_new (name);
371 gtk_notebook_append_page (GTK_NOTEBOOK(byte_nb), byte_scrollw, label);
373 /* The horizontal scrollbar of the scroll-window doesn't seem
374 * to affect the GtkText widget at all, even when line wrapping
375 * is turned off in the GtkText widget and there is indeed more
376 * horizontal data. */
377 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(byte_scrollw),
378 /* Horizontal */GTK_POLICY_NEVER,
379 /* Vertical*/ GTK_POLICY_ALWAYS);
380 set_scrollbar_placement_scrollw(byte_scrollw, prefs.gui_scrollbar_on_right);
381 remember_scrolled_window(byte_scrollw);
382 gtk_widget_show(byte_scrollw);
384 byte_view = gtk_text_new(NULL, NULL);
385 gtk_text_set_editable(GTK_TEXT(byte_view), FALSE);
386 gtk_text_set_word_wrap(GTK_TEXT(byte_view), FALSE);
387 gtk_text_set_line_wrap(GTK_TEXT(byte_view), FALSE);
388 gtk_object_set_data(GTK_OBJECT(byte_view), E_BYTE_VIEW_DATA_PTR_KEY, (guint8*)data);
389 gtk_object_set_data(GTK_OBJECT(byte_view), E_BYTE_VIEW_DATA_LEN_KEY, GINT_TO_POINTER(len));
390 gtk_label_get(GTK_LABEL(label), &name_ptr);
391 gtk_object_set_data(GTK_OBJECT(byte_view), E_BYTE_VIEW_NAME_KEY, name_ptr);
392 gtk_container_add(GTK_CONTAINER(byte_scrollw), byte_view);
394 gtk_signal_connect(GTK_OBJECT(byte_view), "show",
395 GTK_SIGNAL_FUNC(byte_view_realize_cb), NULL);
396 gtk_signal_connect(GTK_OBJECT(byte_view), "button_press_event",
397 GTK_SIGNAL_FUNC(byte_view_button_press_cb),
398 gtk_object_get_data(GTK_OBJECT(popup_menu_object), PM_HEXDUMP_KEY));
400 gtk_widget_show(byte_view);
402 gtk_object_set_data(GTK_OBJECT(byte_scrollw), E_BYTE_VIEW_TEXT_INFO_KEY,
405 /* no tabs if this is the first page */
406 if ( !(gtk_notebook_page_num(GTK_NOTEBOOK(byte_nb), byte_scrollw)))
407 gtk_notebook_set_show_tabs ( GTK_NOTEBOOK(byte_nb), FALSE);
409 gtk_notebook_set_show_tabs ( GTK_NOTEBOOK(byte_nb), TRUE);
415 int add_byte_view(const char *name, const guint8 *data, int len){
417 add_byte_tab( byte_nb_ptr, name, data,len);
424 packet_hex_print_common(GtkText *bv, guint8 *pd, int len, int bstart, int bend, int encoding)
426 gint i = 0, j, k, cur;
427 guchar line[128], hexchars[] = "0123456789abcdef", c = '\0';
428 GdkFont *cur_font, *new_font;
430 gboolean reverse, newreverse;
432 /* Freeze the text for faster display */
435 /* Clear out the text */
436 gtk_text_set_point(bv, 0);
437 /* Keep GTK+ 1.2.3 through 1.2.6 from dumping core - see
438 http://www.ethereal.com/lists/ethereal-dev/199912/msg00312.html and
439 http://www.gnome.org/mailing-lists/archives/gtk-devel-list/1999-October/0051.shtml
440 for more information */
441 gtk_adjustment_set_value(bv->vadj, 0.0);
442 gtk_text_forward_delete(bv, gtk_text_get_length(bv));
445 /* Print the line number */
446 sprintf(line, "%04x ", i);
448 /* Display with inverse video ? */
449 if (prefs.gui_hex_dump_highlight_style) {
450 gtk_text_insert(bv, m_r_font, &BLACK, &WHITE, line, -1);
451 /* Do we start in reverse? */
452 reverse = i >= bstart && i < bend;
453 fg = reverse ? &WHITE : &BLACK;
454 bg = reverse ? &BLACK : &WHITE;
456 k = i + BYTE_VIEW_WIDTH;
458 /* Print the hex bit */
461 line[cur++] = hexchars[(pd[i] & 0xf0) >> 4];
462 line[cur++] = hexchars[pd[i] & 0x0f];
464 line[cur++] = ' '; line[cur++] = ' ';
467 newreverse = i >= bstart && i < bend;
468 /* Have we gone from reverse to plain? */
469 if (reverse && (reverse != newreverse)) {
470 gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
475 /* Inter byte space if not at end of line */
478 /* insert a space every BYTE_VIEW_SEP bytes */
479 if( ( i % BYTE_VIEW_SEP ) == 0 ) {
483 /* Have we gone from plain to reversed? */
484 if (!reverse && (reverse != newreverse)) {
485 gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
490 reverse = newreverse;
492 /* Print remaining part of line */
493 gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
495 /* Print some space at the end of the line */
496 line[cur++] = ' '; line[cur++] = ' '; line[cur++] = ' ';
497 gtk_text_insert(bv, m_r_font, &BLACK, &WHITE, line, cur);
500 /* Print the ASCII bit */
502 /* Do we start in reverse? */
503 reverse = i >= bstart && i < bend;
504 fg = reverse ? &WHITE : &BLACK;
505 bg = reverse ? &BLACK : &WHITE;
508 if (encoding == CHAR_ASCII) {
511 else if (encoding == CHAR_EBCDIC) {
512 c = EBCDIC_to_ASCII1(pd[i]);
515 g_assert_not_reached();
517 line[cur++] = (isprint(c)) ? c : '.';
522 newreverse = i >= bstart && i < bend;
523 /* Have we gone from reverse to plain? */
524 if (reverse && (reverse != newreverse)) {
525 gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
531 /* insert a space every BYTE_VIEW_SEP bytes */
532 if( ( i % BYTE_VIEW_SEP ) == 0 ) {
536 /* Have we gone from plain to reversed? */
537 if (!reverse && (reverse != newreverse)) {
538 gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
543 reverse = newreverse;
545 /* Print remaining part of line */
546 gtk_text_insert(bv, m_r_font, fg, bg, line, cur);
550 gtk_text_insert(bv, m_r_font, &BLACK, &WHITE, line, -1);
553 gtk_text_insert(bv, m_r_font, NULL, NULL, line, -1);
554 /* Do we start in bold? */
555 cur_font = (i >= bstart && i < bend) ? m_b_font : m_r_font;
557 k = i + BYTE_VIEW_WIDTH;
559 /* Print the hex bit */
562 line[cur++] = hexchars[(pd[i] & 0xf0) >> 4];
563 line[cur++] = hexchars[pd[i] & 0x0f];
565 line[cur++] = ' '; line[cur++] = ' ';
569 /* insert a space every BYTE_VIEW_SEP bytes */
570 if( ( i % BYTE_VIEW_SEP ) == 0 ) line[cur++] = ' ';
571 /* Did we cross a bold/plain boundary? */
572 new_font = (i >= bstart && i < bend) ? m_b_font : m_r_font;
573 if (cur_font != new_font) {
574 gtk_text_insert(bv, cur_font, NULL, NULL, line, cur);
580 gtk_text_insert(bv, cur_font, NULL, NULL, line, cur);
584 /* Print the ASCII bit */
585 cur_font = (i >= bstart && i < bend) ? m_b_font : m_r_font;
588 if (encoding == CHAR_ASCII) {
591 else if (encoding == CHAR_EBCDIC) {
592 c = EBCDIC_to_ASCII1(pd[i]);
595 g_assert_not_reached();
597 line[cur++] = (isprint(c)) ? c : '.';
602 /* insert a space every BYTE_VIEW_SEP bytes */
603 if( ( i % BYTE_VIEW_SEP ) == 0 ) line[cur++] = ' ';
604 /* Did we cross a bold/plain boundary? */
605 new_font = (i >= bstart && i < bend) ? m_b_font : m_r_font;
606 if (cur_font != new_font) {
607 gtk_text_insert(bv, cur_font, NULL, NULL, line, cur);
614 gtk_text_insert(bv, cur_font, NULL, NULL, line, -1);
618 /* scroll text into position */
619 gtk_text_thaw(bv); /* must thaw before adjusting scroll bars */
621 int lineheight, linenum;
624 linenum = bstart / BYTE_VIEW_WIDTH;
625 /* This is the lineheight that the GtkText widget uses when drawing text. */
626 lineheight = m_b_font->ascent + m_b_font->descent;
627 scrollval = MIN(linenum * lineheight,bv->vadj->upper - bv->vadj->page_size);
629 gtk_adjustment_set_value(bv->vadj, scrollval);
634 packet_hex_print(GtkText *bv, guint8 *pd, frame_data *fd, field_info *finfo, int len){
636 /* do the initial printing and save the information needed */
637 /* to redraw the display if preferences change. */
639 int bstart, bend = -1, blen;
642 bstart = finfo->start;
643 blen = finfo->length;
648 if (bstart >= 0 && blen >= 0) {
649 bend = bstart + blen;
652 /* save the information needed to redraw the text */
653 /* should we save the fd & finfo pointers instead ?? */
654 gtk_object_set_data(GTK_OBJECT(bv), E_BYTE_VIEW_START_KEY, GINT_TO_POINTER(bend));
655 gtk_object_set_data(GTK_OBJECT(bv), E_BYTE_VIEW_END_KEY, GINT_TO_POINTER(bstart));
656 gtk_object_set_data(GTK_OBJECT(bv), E_BYTE_VIEW_ENCODE_KEY, GINT_TO_POINTER(fd->flags.encoding));
658 packet_hex_print_common( bv, pd, len, bstart, bend, fd->flags.encoding);
663 packet_hex_reprint(GtkText *bv){
665 /* redraw the text using the saved information, */
666 /* usually called if the preferences haved changed. */
668 int start, end, len, encoding;
671 start = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(bv), E_BYTE_VIEW_START_KEY));
672 end = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(bv), E_BYTE_VIEW_END_KEY));
673 len = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(bv), E_BYTE_VIEW_DATA_LEN_KEY));
674 data = gtk_object_get_data(GTK_OBJECT(bv), E_BYTE_VIEW_DATA_PTR_KEY);
675 encoding = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(bv), E_BYTE_VIEW_ENCODE_KEY));
677 packet_hex_print_common( bv, data, len, start, end, encoding);
681 /* List of all protocol tree widgets, so we can globally set the selection
682 mode, line style, expander style, and font of all of them. */
683 static GList *ptree_widgets;
685 /* Add a protocol tree widget to the list of protocol tree widgets. */
686 static void forget_ptree_widget(GtkWidget *ptreew, gpointer data);
689 remember_ptree_widget(GtkWidget *ptreew)
691 ptree_widgets = g_list_append(ptree_widgets, ptreew);
693 /* Catch the "destroy" event on the widget, so that we remove it from
694 the list when it's destroyed. */
695 gtk_signal_connect(GTK_OBJECT(ptreew), "destroy",
696 GTK_SIGNAL_FUNC(forget_ptree_widget), NULL);
699 /* Remove a protocol tree widget from the list of protocol tree widgets. */
701 forget_ptree_widget(GtkWidget *ptreew, gpointer data)
703 ptree_widgets = g_list_remove(ptree_widgets, ptreew);
706 /* Set the selection mode of a given packet tree window. */
708 set_ptree_sel_browse(GtkWidget *ptreew, gboolean val)
710 /* Yeah, GTK uses "browse" in the case where we do not, but oh well.
711 I think "browse" in Ethereal makes more sense than "SINGLE" in
714 gtk_clist_set_selection_mode(GTK_CLIST(ptreew),
715 GTK_SELECTION_SINGLE);
718 gtk_clist_set_selection_mode(GTK_CLIST(ptreew),
719 GTK_SELECTION_BROWSE);
724 set_ptree_sel_browse_cb(gpointer data, gpointer user_data)
726 set_ptree_sel_browse((GtkWidget *)data, *(gboolean *)user_data);
729 /* Set the selection mode of all packet tree windows. */
731 set_ptree_sel_browse_all(gboolean val)
733 g_list_foreach(ptree_widgets, set_ptree_sel_browse_cb, &val);
736 /* Set the line style of a given packet tree window. */
738 set_ptree_line_style(GtkWidget *ptreew, gint style)
740 /* I'm using an assert here since the preferences code limits
741 * the user input, both in the GUI and when reading the preferences file.
742 * If the value is incorrect, it's a program error, not a user-initiated error.
744 g_assert(style >= GTK_CTREE_LINES_NONE && style <= GTK_CTREE_LINES_TABBED);
745 gtk_ctree_set_line_style(GTK_CTREE(ptreew), style);
749 set_ptree_line_style_cb(gpointer data, gpointer user_data)
751 set_ptree_line_style((GtkWidget *)data, *(gint *)user_data);
754 /* Set the line style of all packet tree window. */
756 set_ptree_line_style_all(gint style)
758 g_list_foreach(ptree_widgets, set_ptree_line_style_cb, &style);
761 /* Set the expander style of a given packet tree window. */
763 set_ptree_expander_style(GtkWidget *ptreew, gint style)
765 /* I'm using an assert here since the preferences code limits
766 * the user input, both in the GUI and when reading the preferences file.
767 * If the value is incorrect, it's a program error, not a user-initiated error.
769 g_assert(style >= GTK_CTREE_EXPANDER_NONE && style <= GTK_CTREE_EXPANDER_CIRCULAR);
770 gtk_ctree_set_expander_style(GTK_CTREE(ptreew), style);
774 set_ptree_expander_style_cb(gpointer data, gpointer user_data)
776 set_ptree_expander_style((GtkWidget *)data, *(gint *)user_data);
780 set_ptree_expander_style_all(gint style)
782 g_list_foreach(ptree_widgets, set_ptree_expander_style_cb, &style);
786 set_ptree_style_cb(gpointer data, gpointer user_data)
788 gtk_widget_set_style((GtkWidget *)data, (GtkStyle *)user_data);
792 set_ptree_font_all(GdkFont *font)
796 style = gtk_style_new();
797 gdk_font_unref(style->font);
801 g_list_foreach(ptree_widgets, set_ptree_style_cb, style);
803 /* Now nuke the old style and replace it with the new one. */
804 gtk_style_unref(item_style);
809 create_tree_view(gint tv_size, e_prefs *prefs, GtkWidget *pane,
810 GtkWidget **tv_scrollw_p, GtkWidget **tree_view_p, int pos)
812 GtkWidget *tv_scrollw, *tree_view;
815 tv_scrollw = gtk_scrolled_window_new(NULL, NULL);
816 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW(tv_scrollw),
817 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
818 set_scrollbar_placement_scrollw(tv_scrollw, pos);
819 remember_scrolled_window(tv_scrollw);
820 gtk_paned_pack1(GTK_PANED(pane), tv_scrollw, TRUE, TRUE);
821 gtk_widget_set_usize(tv_scrollw, -1, tv_size);
822 gtk_widget_show(tv_scrollw);
824 tree_view = gtk_ctree_new(1, 0);
825 /* I need this next line to make the widget work correctly with hidden
826 * column titles and GTK_SELECTION_BROWSE */
827 gtk_clist_set_column_auto_resize( GTK_CLIST(tree_view), 0, TRUE );
828 gtk_container_add( GTK_CONTAINER(tv_scrollw), tree_view );
829 set_ptree_sel_browse(tree_view, prefs->gui_ptree_sel_browse);
830 set_ptree_line_style(tree_view, prefs->gui_ptree_line_style);
831 set_ptree_expander_style(tree_view, prefs->gui_ptree_expander_style);
832 gtk_widget_set_style(tree_view, item_style);
833 remember_ptree_widget(tree_view);
835 *tree_view_p = tree_view;
836 *tv_scrollw_p = tv_scrollw;
839 void expand_all_tree(proto_tree *protocol_tree, GtkWidget *tree_view) {
841 for(i=0; i < num_tree_types; i++) {
842 tree_is_expanded[i] = TRUE;
844 gtk_clist_clear ( GTK_CLIST(tree_view) );
845 proto_tree_draw(protocol_tree, tree_view);
846 gtk_ctree_expand_recursive(GTK_CTREE(tree_view), NULL);
849 void collapse_all_tree(proto_tree *protocol_tree, GtkWidget *tree_view) {
851 for(i=0; i < num_tree_types; i++) {
852 tree_is_expanded[i] = FALSE;
854 gtk_clist_clear ( GTK_CLIST(tree_view) );
855 proto_tree_draw(protocol_tree, tree_view);
859 struct proto_tree_draw_info {
861 GtkCTreeNode *ctree_node;
865 proto_tree_draw(proto_tree *protocol_tree, GtkWidget *tree_view)
867 struct proto_tree_draw_info info;
869 info.ctree = GTK_CTREE(tree_view);
870 info.ctree_node = NULL;
872 gtk_clist_freeze ( GTK_CLIST(tree_view) );
874 g_node_children_foreach((GNode*) protocol_tree, G_TRAVERSE_ALL,
875 proto_tree_draw_node, &info);
877 gtk_signal_connect( GTK_OBJECT(info.ctree), "tree-expand",
878 (GtkSignalFunc) expand_tree, NULL );
879 gtk_signal_connect( GTK_OBJECT(info.ctree), "tree-collapse",
880 (GtkSignalFunc) collapse_tree, NULL );
882 gtk_clist_thaw ( GTK_CLIST(tree_view) );
886 proto_tree_draw_node(GNode *node, gpointer data)
888 struct proto_tree_draw_info info;
889 struct proto_tree_draw_info *parent_info = (struct proto_tree_draw_info*) data;
891 field_info *fi = (field_info*) (node->data);
892 gchar label_str[ITEM_LABEL_LENGTH];
894 GtkCTreeNode *parent;
895 gboolean is_leaf, is_expanded;
900 i= find_notebook_page( byte_nb_ptr, fi->ds_name);
901 if ( i < 0) return; /* no notebook pages ?? */
902 set_notebook_page( byte_nb_ptr, i);
904 /* was a free format label produced? */
905 if (fi->representation) {
906 label_ptr = fi->representation;
908 else { /* no, make a generic label */
909 label_ptr = label_str;
910 proto_item_fill_label(fi, label_str);
913 if (g_node_n_children(node) > 0) {
915 if (tree_is_expanded[fi->tree_type]) {
927 info.ctree = parent_info->ctree;
928 parent = gtk_ctree_insert_node ( info.ctree, parent_info->ctree_node, NULL,
929 &label_ptr, 5, NULL, NULL, NULL, NULL,
930 is_leaf, is_expanded );
932 gtk_ctree_node_set_row_data( GTK_CTREE(info.ctree), parent, fi );
935 info.ctree_node = parent;
936 g_node_children_foreach(node, G_TRAVERSE_ALL,
937 proto_tree_draw_node, &info);