1/* Specific command window processing.
2
3   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
4   Foundation, Inc.
5
6   Contributed by Hewlett-Packard Company.
7
8   This file is part of GDB.
9
10   This program is free software; you can redistribute it and/or modify
11   it under the terms of the GNU General Public License as published by
12   the Free Software Foundation; either version 2 of the License, or
13   (at your option) any later version.
14
15   This program is distributed in the hope that it will be useful,
16   but WITHOUT ANY WARRANTY; without even the implied warranty of
17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18   GNU General Public License for more details.
19
20   You should have received a copy of the GNU General Public License
21   along with this program; if not, write to the Free Software
22   Foundation, Inc., 59 Temple Place - Suite 330,
23   Boston, MA 02111-1307, USA.  */
24
25#include "defs.h"
26#include <ctype.h>
27#include "tui/tui.h"
28#include "tui/tui-data.h"
29#include "tui/tui-win.h"
30#include "tui/tui-io.h"
31
32#include "gdb_curses.h"
33#include "gdb_string.h"
34
35
36/*****************************************
37** STATIC LOCAL FUNCTIONS FORWARD DECLS    **
38******************************************/
39
40
41
42/*****************************************
43** PUBLIC FUNCTIONS                        **
44******************************************/
45
46/* Dispatch the correct tui function based upon the control character.   */
47unsigned int
48tui_dispatch_ctrl_char (unsigned int ch)
49{
50  struct tui_win_info *win_info = tui_win_with_focus ();
51  WINDOW *w = TUI_CMD_WIN->generic.handle;
52
53  /*
54     ** If the command window has the logical focus, or no-one does
55     ** assume it is the command window; in this case, pass the
56     ** character on through and do nothing here.
57   */
58  if (win_info == NULL || win_info == TUI_CMD_WIN)
59    return ch;
60  else
61    {
62      unsigned int c = 0, ch_copy = ch;
63      int i;
64      char *term;
65
66      /* If this is an xterm, page next/prev keys aren't returned
67         ** by keypad as a single char, so we must handle them here.
68         ** Seems like a bug in the curses library?
69       */
70      term = (char *) getenv ("TERM");
71      for (i = 0; (term && term[i]); i++)
72	term[i] = toupper (term[i]);
73      if ((strcmp (term, "XTERM") == 0) && key_is_start_sequence (ch))
74	{
75	  unsigned int page_ch = 0;
76	  unsigned int tmp_char;
77
78	  tmp_char = 0;
79	  while (!key_is_end_sequence (tmp_char))
80	    {
81	      tmp_char = (int) wgetch (w);
82	      if (tmp_char == ERR)
83		{
84		  return ch;
85		}
86	      if (!tmp_char)
87		break;
88	      if (tmp_char == 53)
89		page_ch = KEY_PPAGE;
90	      else if (tmp_char == 54)
91		page_ch = KEY_NPAGE;
92	      else
93		{
94		  return 0;
95		}
96	    }
97	  ch_copy = page_ch;
98	}
99
100      switch (ch_copy)
101	{
102	case KEY_NPAGE:
103	  tui_scroll_forward (win_info, 0);
104	  break;
105	case KEY_PPAGE:
106	  tui_scroll_backward (win_info, 0);
107	  break;
108	case KEY_DOWN:
109	case KEY_SF:
110	  tui_scroll_forward (win_info, 1);
111	  break;
112	case KEY_UP:
113	case KEY_SR:
114	  tui_scroll_backward (win_info, 1);
115	  break;
116	case KEY_RIGHT:
117	  tui_scroll_left (win_info, 1);
118	  break;
119	case KEY_LEFT:
120	  tui_scroll_right (win_info, 1);
121	  break;
122	case '\f':
123	  tui_refresh_all_win ();
124	  break;
125	default:
126	  c = ch_copy;
127	  break;
128	}
129      return c;
130    }
131}
132