GDB (xrefs)

tui-command.c
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1 /* Specific command window processing.
2
3 Copyright (C) 1998-2018 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 tui_scroll_forward (win_info, 0);
61 break;
62 case KEY_PPAGE:
63 tui_scroll_backward (win_info, 0);
64 break;
65 case KEY_DOWN:
66 case KEY_SF:
67 tui_scroll_forward (win_info, 1);
68 break;
69 case KEY_UP:
70 case KEY_SR:
71 tui_scroll_backward (win_info, 1);
72 break;
73 case KEY_RIGHT:
74 tui_scroll_left (win_info, 1);
75 break;
76 case KEY_LEFT:
77 tui_scroll_right (win_info, 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 }
tui_scroll_backward
void tui_scroll_backward(struct tui_win_info *win_to_scroll, int num_to_scroll)
Definition: tui-win.c:606
tui_scroll_forward
void tui_scroll_forward(struct tui_win_info *win_to_scroll, int num_to_scroll)
Definition: tui-win.c:581
tui_refresh_cmd_win
void tui_refresh_cmd_win(void)
Definition: tui-command.c:95
tui-command.h
defs.h
tui_refresh_all_win
void tui_refresh_all_win(void)
Definition: tui-win.c:704
tui-io.h
tui_win_with_focus
struct tui_win_info * tui_win_with_focus(void)
Definition: tui-data.c:125
tui_win_info
Definition: tui-data.h:273
tui_scroll_right
void tui_scroll_right(struct tui_win_info *win_to_scroll, int num_to_scroll)
Definition: tui-win.c:655
TUI_CMD_WIN
#define TUI_CMD_WIN
Definition: tui-data.h:301
tui_dispatch_ctrl_char
unsigned int tui_dispatch_ctrl_char(unsigned int ch)
Definition: tui-command.c:43
tui-data.h
tui.h
gdb_curses.h
tui_scroll_left
void tui_scroll_left(struct tui_win_info *win_to_scroll, int num_to_scroll)
Definition: tui-win.c:632
tui-win.h