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diff --git a/contrib/gdb/gdb/tui/tui-windata.c b/contrib/gdb/gdb/tui/tui-windata.c
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+/* Data/register window display.
+
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
+ Foundation, Inc.
+
+ Contributed by Hewlett-Packard Company.
+
+ This file is part of GDB.
+
+ 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. */
+
+#include "defs.h"
+#include "tui/tui.h"
+#include "tui/tui-data.h"
+#include "tui/tui-wingeneral.h"
+#include "tui/tui-regs.h"
+
+#include "gdb_string.h"
+#include "gdb_curses.h"
+
+
+/*****************************************
+** STATIC LOCAL FUNCTIONS FORWARD DECLS **
+******************************************/
+
+
+
+/*****************************************
+** PUBLIC FUNCTIONS **
+******************************************/
+
+
+/* Answer the index first element displayed. If none are displayed,
+ then return (-1). */
+int
+tui_first_data_item_displayed (void)
+{
+ int element_no = (-1);
+ int i;
+
+ for (i = 0; (i < TUI_DATA_WIN->generic.content_size && element_no < 0); i++)
+ {
+ struct tui_gen_win_info * data_item_win;
+
+ data_item_win = &((tui_win_content)
+ TUI_DATA_WIN->generic.content)[i]->which_element.data_window;
+ if (data_item_win->handle != (WINDOW *) NULL && data_item_win->is_visible)
+ element_no = i;
+ }
+
+ return element_no;
+}
+
+
+/* Answer the index of the first element in line_no. If line_no is
+ past the data area (-1) is returned. */
+int
+tui_first_data_element_no_in_line (int line_no)
+{
+ int first_element_no = (-1);
+
+ /*
+ ** First see if there is a register on line_no, and if so, set the
+ ** first element number
+ */
+ if ((first_element_no = tui_first_reg_element_no_inline (line_no)) == -1)
+ { /*
+ ** Looking at the general data, the 1st element on line_no
+ */
+ }
+
+ return first_element_no;
+}
+
+
+/* Function to delete all the item windows in the data window. This
+ is usually done when the data window is scrolled. */
+void
+tui_delete_data_content_windows (void)
+{
+ int i;
+ struct tui_gen_win_info * data_item_win_ptr;
+
+ for (i = 0; (i < TUI_DATA_WIN->generic.content_size); i++)
+ {
+ data_item_win_ptr = &((tui_win_content)
+ TUI_DATA_WIN->generic.content)[i]->which_element.data_window;
+ tui_delete_win (data_item_win_ptr->handle);
+ data_item_win_ptr->handle = (WINDOW *) NULL;
+ data_item_win_ptr->is_visible = FALSE;
+ }
+}
+
+
+void
+tui_erase_data_content (char *prompt)
+{
+ werase (TUI_DATA_WIN->generic.handle);
+ tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
+ if (prompt != (char *) NULL)
+ {
+ int half_width = (TUI_DATA_WIN->generic.width - 2) / 2;
+ int x_pos;
+
+ if (strlen (prompt) >= half_width)
+ x_pos = 1;
+ else
+ x_pos = half_width - strlen (prompt);
+ mvwaddstr (TUI_DATA_WIN->generic.handle,
+ (TUI_DATA_WIN->generic.height / 2),
+ x_pos,
+ prompt);
+ }
+ wrefresh (TUI_DATA_WIN->generic.handle);
+}
+
+
+/* This function displays the data that is in the data window's
+ content. It does not set the content. */
+void
+tui_display_all_data (void)
+{
+ if (TUI_DATA_WIN->generic.content_size <= 0)
+ tui_erase_data_content (NO_DATA_STRING);
+ else
+ {
+ tui_erase_data_content ((char *) NULL);
+ tui_delete_data_content_windows ();
+ tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
+ tui_display_registers_from (0);
+ /*
+ ** Then display the other data
+ */
+ if (TUI_DATA_WIN->detail.data_display_info.data_content !=
+ (tui_win_content) NULL &&
+ TUI_DATA_WIN->detail.data_display_info.data_content_count > 0)
+ {
+ }
+ }
+}
+
+
+/* Function to display the data starting at line, line_no, in the data
+ window. */
+void
+tui_display_data_from_line (int line_no)
+{
+ int _line_no = line_no;
+
+ if (line_no < 0)
+ _line_no = 0;
+
+ tui_check_and_display_highlight_if_needed (TUI_DATA_WIN);
+
+ /* there is no general data, force regs to display (if there are any) */
+ if (TUI_DATA_WIN->detail.data_display_info.data_content_count <= 0)
+ tui_display_registers_from_line (_line_no, TRUE);
+ else
+ {
+ int element_no, start_line_no;
+ int regs_last_line = tui_last_regs_line_no ();
+
+
+ /* display regs if we can */
+ if (tui_display_registers_from_line (_line_no, FALSE) < 0)
+ { /*
+ ** _line_no is past the regs display, so calc where the
+ ** start data element is
+ */
+ if (regs_last_line < _line_no)
+ { /* figure out how many lines each element is to obtain
+ the start element_no */
+ }
+ }
+ else
+ { /*
+ ** calculate the starting element of the data display, given
+ ** regs_last_line and how many lines each element is, up to
+ ** _line_no
+ */
+ }
+ /* Now display the data , starting at element_no */
+ }
+}
+
+
+/* Display data starting at element element_no. */
+void
+tui_display_data_from (int element_no, int reuse_windows)
+{
+ int first_line = (-1);
+
+ if (element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count)
+ first_line = tui_line_from_reg_element_no (element_no);
+ else
+ { /* calculate the first_line from the element number */
+ }
+
+ if (first_line >= 0)
+ {
+ tui_erase_data_content ((char *) NULL);
+ if (!reuse_windows)
+ tui_delete_data_content_windows ();
+ tui_display_data_from_line (first_line);
+ }
+}
+
+
+/* Function to redisplay the contents of the data window. */
+void
+tui_refresh_data_win (void)
+{
+ tui_erase_data_content ((char *) NULL);
+ if (TUI_DATA_WIN->generic.content_size > 0)
+ {
+ int first_element = tui_first_data_item_displayed ();
+
+ if (first_element >= 0) /* re-use existing windows */
+ tui_display_data_from (first_element, TRUE);
+ }
+}
+
+
+/* Function to check the data values and hilite any that have changed. */
+void
+tui_check_data_values (struct frame_info *frame)
+{
+ tui_check_register_values (frame);
+
+ /* Now check any other data values that there are */
+ if (TUI_DATA_WIN != NULL && TUI_DATA_WIN->generic.is_visible)
+ {
+ int i;
+
+ for (i = 0; TUI_DATA_WIN->detail.data_display_info.data_content_count; i++)
+ {
+#ifdef LATER
+ tui_data_element_ptr data_element_ptr;
+ struct tui_gen_win_info * data_item_win_ptr;
+ Opaque new_value;
+
+ data_item_ptr = &TUI_DATA_WIN->detail.data_display_info.
+ data_content[i]->which_element.data_window;
+ data_element_ptr = &((tui_win_content)
+ data_item_win_ptr->content)[0]->which_element.data;
+ if value
+ has changed (data_element_ptr, frame, &new_value)
+ {
+ data_element_ptr->value = new_value;
+ update the display with the new value, hiliting it.
+ }
+#endif
+ }
+ }
+}
+
+
+/* Scroll the data window vertically forward or backward. */
+void
+tui_vertical_data_scroll (enum tui_scroll_direction scroll_direction, int num_to_scroll)
+{
+ int first_element_no;
+ int first_line = (-1);
+
+ first_element_no = tui_first_data_item_displayed ();
+ if (first_element_no < TUI_DATA_WIN->detail.data_display_info.regs_content_count)
+ first_line = tui_line_from_reg_element_no (first_element_no);
+ else
+ { /* calculate the first line from the element number which is in
+ ** the general data content
+ */
+ }
+
+ if (first_line >= 0)
+ {
+ int last_element_no, last_line;
+
+ if (scroll_direction == FORWARD_SCROLL)
+ first_line += num_to_scroll;
+ else
+ first_line -= num_to_scroll;
+ tui_erase_data_content ((char *) NULL);
+ tui_delete_data_content_windows ();
+ tui_display_data_from_line (first_line);
+ }
+}
+
+
+/*****************************************
+** STATIC LOCAL FUNCTIONS **
+******************************************/
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