binutils-gdb/gdb/tui/tui-command.c

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/* Specific command window processing.
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Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
Foundation, Inc.
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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 <ctype.h>
#include "tui/tui.h"
#include "tui/tui-data.h"
#include "tui/tui-win.h"
#include "tui/tui-io.h"
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#include "gdb_curses.h"
#include "gdb_string.h"
/*****************************************
** STATIC LOCAL FUNCTIONS FORWARD DECLS **
******************************************/
/*****************************************
** PUBLIC FUNCTIONS **
******************************************/
/* Dispatch the correct tui function based upon the control character. */
unsigned int
tui_dispatch_ctrl_char (unsigned int ch)
{
struct tui_win_info *win_info = tui_win_with_focus ();
WINDOW *w = TUI_CMD_WIN->generic.handle;
/*
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** If the command window has the logical focus, or no-one does
** assume it is the command window; in this case, pass the
** character on through and do nothing here.
*/
if (win_info == NULL || win_info == TUI_CMD_WIN)
return ch;
else
{
unsigned int c = 0, ch_copy = ch;
int i;
char *term;
/* If this is an xterm, page next/prev keys aren't returned
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** by keypad as a single char, so we must handle them here.
** Seems like a bug in the curses library?
*/
term = (char *) getenv ("TERM");
for (i = 0; (term && term[i]); i++)
term[i] = toupper (term[i]);
if ((strcmp (term, "XTERM") == 0) && key_is_start_sequence (ch))
{
unsigned int page_ch = 0;
unsigned int tmp_char;
tmp_char = 0;
while (!key_is_end_sequence (tmp_char))
{
tmp_char = (int) wgetch (w);
if (tmp_char == ERR)
{
return ch;
}
if (!tmp_char)
break;
if (tmp_char == 53)
page_ch = KEY_PPAGE;
else if (tmp_char == 54)
page_ch = KEY_NPAGE;
else
{
return 0;
}
}
ch_copy = page_ch;
}
switch (ch_copy)
{
case KEY_NPAGE:
tui_scroll_forward (win_info, 0);
break;
case KEY_PPAGE:
tui_scroll_backward (win_info, 0);
break;
case KEY_DOWN:
case KEY_SF:
tui_scroll_forward (win_info, 1);
break;
case KEY_UP:
case KEY_SR:
tui_scroll_backward (win_info, 1);
break;
case KEY_RIGHT:
tui_scroll_left (win_info, 1);
break;
case KEY_LEFT:
tui_scroll_right (win_info, 1);
break;
case '\f':
tui_refresh_all_win ();
break;
default:
c = ch_copy;
break;
}
return c;
}
}