[deliverable/binutils-gdb.git] / gdb / tui / tui-command.c

/* Specific command window processing.

   Copyright (C) 1998-2019 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-win.h"
#include "tui/tui-io.h"
#include "tui/tui-command.h"

#include "gdb_curses.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 ();

  /* Handle the CTRL-L refresh for each window.  */
  if (ch == '\f')
    tui_refresh_all_win ();

  /* 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;

  switch (ch)
    {
    case KEY_NPAGE:
      win_info->forward_scroll (0);
      break;
    case KEY_PPAGE:
      win_info->backward_scroll (0);
      break;
    case KEY_DOWN:
    case KEY_SF:
      win_info->forward_scroll (1);
      break;
    case KEY_UP:
    case KEY_SR:
      win_info->backward_scroll (1);
      break;
    case KEY_RIGHT:
      win_info->left_scroll (1);
      break;
    case KEY_LEFT:
      win_info->right_scroll (1);
      break;
    case '\f':
      break;
    default:
      /* We didn't recognize the character as a control character, so pass it
         through.  */
      return ch;
    }

  /* We intercepted the control character, so return 0 (which readline
     will interpret as a no-op).  */
  return 0;
}

/* See tui-command.h.  */

void
tui_refresh_cmd_win (void)
{
  WINDOW *w = TUI_CMD_WIN->generic.handle;

  wrefresh (w);

  /* FIXME: It's not clear why this is here.
     It was present in the original tui_puts code and is kept in order to
     not introduce some subtle breakage.  */
  fflush (stdout);
}
Commit	Line	Data
	1	/* Specific command window processing.
	2
	3	Copyright (C) 1998-2019 Free Software Foundation, Inc.
	4
	5	Contributed by Hewlett-Packard Company.
	6
	7	This file is part of GDB.
	8
	9	This program is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
	11	the Free Software Foundation; either version 3 of the License, or
	12	(at your option) any later version.
	13
	14	This program is distributed in the hope that it will be useful,
	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
	20	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	21
	22	#include "defs.h"
	23	#include "tui/tui.h"
	24	#include "tui/tui-data.h"
	25	#include "tui/tui-win.h"
	26	#include "tui/tui-io.h"
	27	#include "tui/tui-command.h"
	28
	29	#include "gdb_curses.h"
	30	/*****************************************
	31	STATIC LOCAL FUNCTIONS FORWARD DECLS
	32	******************************************/
	33
	34
	35
	36	/*****************************************
	37	PUBLIC FUNCTIONS
	38	******************************************/
	39
	40	/* Dispatch the correct tui function based upon the control
	41	character. */
	42	unsigned int
	43	tui_dispatch_ctrl_char (unsigned int ch)
	44	{
	45	struct tui_win_info *win_info = tui_win_with_focus ();
	46
	47	/* Handle the CTRL-L refresh for each window. */
	48	if (ch == '\f')
	49	tui_refresh_all_win ();
	50
	51	/* If the command window has the logical focus, or no-one does
	52	assume it is the command window; in this case, pass the character
	53	on through and do nothing here. */
	54	if (win_info == NULL \|\| win_info == TUI_CMD_WIN)
	55	return ch;
	56
	57	switch (ch)
	58	{
	59	case KEY_NPAGE:
	60	win_info->forward_scroll (0);
	61	break;
	62	case KEY_PPAGE:
	63	win_info->backward_scroll (0);
	64	break;
	65	case KEY_DOWN:
	66	case KEY_SF:
	67	win_info->forward_scroll (1);
	68	break;
	69	case KEY_UP:
	70	case KEY_SR:
	71	win_info->backward_scroll (1);
	72	break;
	73	case KEY_RIGHT:
	74	win_info->left_scroll (1);
	75	break;
	76	case KEY_LEFT:
	77	win_info->right_scroll (1);
	78	break;
	79	case '\f':
	80	break;
	81	default:
	82	/* We didn't recognize the character as a control character, so pass it
	83	through. */
	84	return ch;
	85	}
	86
	87	/* We intercepted the control character, so return 0 (which readline
	88	will interpret as a no-op). */
	89	return 0;
	90	}
	91
	92	/* See tui-command.h. */
	93
	94	void
	95	tui_refresh_cmd_win (void)
	96	{
	97	WINDOW *w = TUI_CMD_WIN->generic.handle;
	98
	99	wrefresh (w);
	100
	101	/* FIXME: It's not clear why this is here.
	102	It was present in the original tui_puts code and is kept in order to
	103	not introduce some subtle breakage. */
	104	fflush (stdout);
	105	}