1 /* Specific command window processing.
2
3 Copyright (C) 1998-2013 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 <ctype.h>
24 #include "tui/tui.h"
25 #include "tui/tui-data.h"
26 #include "tui/tui-win.h"
27 #include "tui/tui-io.h"
28 #include "tui/tui-command.h"
29
30 #include "gdb_curses.h"
31 #include "gdb_string.h"
32
33
34 /*****************************************
35 ** STATIC LOCAL FUNCTIONS FORWARD DECLS **
36 ******************************************/
37
38
39
40 /*****************************************
41 ** PUBLIC FUNCTIONS **
42 ******************************************/
43
44 /* Dispatch the correct tui function based upon the control
45 character. */
46 unsigned int
tui_dispatch_ctrl_char(unsigned int ch)47 tui_dispatch_ctrl_char (unsigned int ch)
48 {
49 struct tui_win_info *win_info = tui_win_with_focus ();
50
51 /* Handle the CTRL-L refresh for each window. */
52 if (ch == '\f')
53 tui_refresh_all_win ();
54
55 /* If the command window has the logical focus, or no-one does
56 assume it is the command window; in this case, pass the character
57 on through and do nothing here. */
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 by
67 keypad as a single char, so we must handle them here. Seems
68 like a bug in the curses library? */
69 term = (char *) getenv ("TERM");
70 if (term)
71 {
72 for (i = 0; term[i]; i++)
73 term[i] = toupper (term[i]);
74 if ((strcmp (term, "XTERM") == 0)
75 && key_is_start_sequence (ch))
76 {
77 unsigned int page_ch = 0;
78 unsigned int tmp_char;
79 WINDOW *w = TUI_CMD_WIN->generic.handle;
80
81 tmp_char = 0;
82 while (!key_is_end_sequence (tmp_char))
83 {
84 tmp_char = (int) wgetch (w);
85 if (tmp_char == ERR)
86 {
87 return ch;
88 }
89 if (!tmp_char)
90 break;
91 if (tmp_char == 53)
92 page_ch = KEY_PPAGE;
93 else if (tmp_char == 54)
94 page_ch = KEY_NPAGE;
95 else
96 {
97 return 0;
98 }
99 }
100 ch_copy = page_ch;
101 }
102 }
103
104 switch (ch_copy)
105 {
106 case KEY_NPAGE:
107 tui_scroll_forward (win_info, 0);
108 break;
109 case KEY_PPAGE:
110 tui_scroll_backward (win_info, 0);
111 break;
112 case KEY_DOWN:
113 case KEY_SF:
114 tui_scroll_forward (win_info, 1);
115 break;
116 case KEY_UP:
117 case KEY_SR:
118 tui_scroll_backward (win_info, 1);
119 break;
120 case KEY_RIGHT:
121 tui_scroll_left (win_info, 1);
122 break;
123 case KEY_LEFT:
124 tui_scroll_right (win_info, 1);
125 break;
126 case '\f':
127 break;
128 default:
129 c = ch_copy;
130 break;
131 }
132 return c;
133 }
134 }
135