GDB (xrefs)
tui-command.c
Go to the documentation of this file.
1 /* Specific command window processing.
2 
3  Copyright (C) 1998-2015 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')
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
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 }
void tui_scroll_backward(struct tui_win_info *win_to_scroll, int num_to_scroll)
Definition: tui-win.c:596
void tui_scroll_forward(struct tui_win_info *win_to_scroll, int num_to_scroll)
Definition: tui-win.c:571
void tui_refresh_cmd_win(void)
Definition: tui-command.c:95
void tui_refresh_all_win(void)
Definition: tui-win.c:694
struct tui_win_info * tui_win_with_focus(void)
Definition: tui-data.c:125
void tui_scroll_right(struct tui_win_info *win_to_scroll, int num_to_scroll)
Definition: tui-win.c:645
#define TUI_CMD_WIN
Definition: tui-data.h:303
unsigned int tui_dispatch_ctrl_char(unsigned int ch)
Definition: tui-command.c:43
void tui_scroll_left(struct tui_win_info *win_to_scroll, int num_to_scroll)
Definition: tui-win.c:622