old-cross-binutils/gdb/tui/tui-windata.c
Joel Brobecker a9762ec78a Switch the license of all .c files to GPLv3.
Switch the license of all .h files to GPLv3.
        Switch the license of all .cc files to GPLv3.
2007-08-23 18:08:50 +00:00

300 lines
7.9 KiB
C

/* Data/register window display.
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
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 3 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, see <http://www.gnu.org/licenses/>. */
#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 **
******************************************/