static void
tui_inferior_exit (struct inferior *inf)
{
/* Leave the SingleKey mode to make sure the gdb prompt is visible. */
tui_set_key_mode (TUI_COMMAND_MODE);
tui_show_frame_info (0);
tui_display_main ();
}
/* Readline hook to redisplay ourself the gdb prompt.
In the SingleKey mode, the prompt is not printed so that
the command window is cleaner. It will be displayed if
we temporarily leave the SingleKey mode. */
static int
tui_rl_startup_hook (void)
{
rl_already_prompted = 1;
if (tui_current_key_mode != TUI_COMMAND_MODE)
tui_set_key_mode (TUI_SINGLE_KEY_MODE);
tui_redisplay_readline ();
return 0;
}
/* TUI readline command.
Switch between TUI SingleKey mode and gdb readline editing. */
static int
tui_rl_next_keymap (int notused1, int notused2)
{
if (!tui_active)
tui_rl_switch_mode (0/*notused*/, 0/*notused*/);
tui_set_key_mode (tui_current_key_mode == TUI_COMMAND_MODE
? TUI_SINGLE_KEY_MODE : TUI_COMMAND_MODE);
return 0;
}
/* Enter in the tui mode (curses).
When in normal mode, it installs the tui hooks in gdb, redirects
the gdb output, configures the readline to work in tui mode.
When in curses mode, it does nothing. */
void
tui_enable (void)
{
if (tui_active)
return;
/* To avoid to initialize curses when gdb starts, there is a defered
curses initialization. This initialization is made only once
and the first time the curses mode is entered. */
if (tui_finish_init)
{
WINDOW *w;
w = initscr ();
cbreak ();
noecho ();
/*timeout (1);*/
nodelay(w, FALSE);
nl();
keypad (w, TRUE);
rl_initialize ();
tui_set_term_height_to (LINES);
tui_set_term_width_to (COLS);
def_prog_mode ();
tui_show_frame_info (0);
tui_set_layout (SRC_COMMAND, TUI_UNDEFINED_REGS);
tui_set_win_focus_to (TUI_SRC_WIN);
keypad (TUI_CMD_WIN->generic.handle, TRUE);
wrefresh (TUI_CMD_WIN->generic.handle);
tui_finish_init = 0;
}
else
{
/* Save the current gdb setting of the terminal.
Curses will restore this state when endwin() is called. */
def_shell_mode ();
clearok (stdscr, TRUE);
}
/* Install the TUI specific hooks. */
tui_install_hooks ();
rl_startup_hook = tui_rl_startup_hook;
tui_update_variables ();
tui_setup_io (1);
tui_active = 1;
if (deprecated_selected_frame)
tui_show_frame_info (deprecated_selected_frame);
/* Restore TUI keymap. */
tui_set_key_mode (tui_current_key_mode);
tui_refresh_all_win ();
/* Update gdb's knowledge of its terminal. */
target_terminal_save_ours ();
tui_update_gdb_sizes ();
}
/* TUI readline command.
Temporarily leave the TUI SingleKey mode to allow editing
a gdb command with the normal readline. Once the command
is executed, the TUI SingleKey mode is installed back. */
static int
tui_rl_command_mode (int count, int key)
{
tui_set_key_mode (TUI_ONE_COMMAND_MODE);
return rl_insert (count, key);
}
/* Readline callback.
Redisplay the command line with its prompt after readline has
changed the edited text. */
void
tui_redisplay_readline(void)
{
int prev_col;
int height;
int col, line;
int c_pos;
int c_line;
int in;
WINDOW *w;
const char *prompt;
int start_line;
/* Detect when we temporarily left SingleKey and now the readline
edit buffer is empty, automatically restore the SingleKey mode. */
if ((tui_current_key_mode == TUI_ONE_COMMAND_MODE) && (rl_end == 0))
tui_set_key_mode(TUI_SINGLE_KEY_MODE);
if (tui_current_key_mode == TUI_SINGLE_KEY_MODE)
prompt = "";
else
prompt = tui_rl_saved_prompt;
c_pos = -1;
c_line = -1;
w = TUI_CMD_WIN->generic.handle;
start_line = TUI_CMD_WIN->detail.command_info.start_line;
wmove(w, start_line, 0);
prev_col = 0;
height = 1;
for (in = 0; prompt && prompt[in]; in++)
{
waddch(w, prompt[in]);
getyx(w, line, col);
if (col < prev_col)
height++;
prev_col = col;
}
for (in = 0; in < rl_end; in++)
{
unsigned char c;
c = (unsigned char)rl_line_buffer[in];
if (in == rl_point)
{
getyx(w, c_line, c_pos);
}
if (CTRL_CHAR(c) || (c == RUBOUT))
{
waddch(w, '^');
waddch(w, CTRL_CHAR(c) ? UNCTRL(c) : '?');
}
else
{
waddch(w, c);
}
if (c == '\n')
{
getyx(w, TUI_CMD_WIN->detail.command_info.start_line,
TUI_CMD_WIN->detail.command_info.curch);
}
getyx(w, line, col);
if (col < prev_col)
height++;
prev_col = col;
}
wclrtobot(w);
getyx(w, TUI_CMD_WIN->detail.command_info.start_line,
TUI_CMD_WIN->detail.command_info.curch);
if (c_line >= 0)
{
wmove(w, c_line, c_pos);
TUI_CMD_WIN->detail.command_info.cur_line = c_line;
TUI_CMD_WIN->detail.command_info.curch = c_pos;
}
TUI_CMD_WIN->detail.command_info.start_line -= (height - 1);
wrefresh(w);
fflush(stdout);
/* this conditional is just to silence '-Wunused-but-set-variable': */
if (line == 0) {
return;
}
}
/* Readline callback.
Redisplay the command line with its prompt after readline has
changed the edited text. */
void
tui_redisplay_readline (void)
{
int prev_col;
int height;
int col;
int c_pos;
int c_line;
int in;
WINDOW *w;
const char *prompt;
int start_line;
/* Detect when we temporarily left SingleKey and now the readline
edit buffer is empty, automatically restore the SingleKey
mode. The restore must only be done if the command has finished.
The command could call prompt_for_continue and we must not
restore SingleKey so that the prompt and normal keymap are used. */
if (tui_current_key_mode == TUI_ONE_COMMAND_MODE && rl_end == 0
&& !gdb_in_secondary_prompt_p (current_ui))
tui_set_key_mode (TUI_SINGLE_KEY_MODE);
if (tui_current_key_mode == TUI_SINGLE_KEY_MODE)
prompt = "";
else
prompt = tui_rl_saved_prompt;
c_pos = -1;
c_line = -1;
w = TUI_CMD_WIN->generic.handle;
start_line = TUI_CMD_WIN->detail.command_info.start_line;
wmove (w, start_line, 0);
prev_col = 0;
height = 1;
for (in = 0; prompt && prompt[in]; in++)
{
waddch (w, prompt[in]);
col = getcurx (w);
if (col <= prev_col)
height++;
prev_col = col;
}
for (in = 0; in <= rl_end; in++)
{
unsigned char c;
if (in == rl_point)
{
getyx (w, c_line, c_pos);
}
if (in == rl_end)
break;
c = (unsigned char) rl_line_buffer[in];
if (CTRL_CHAR (c) || c == RUBOUT)
{
waddch (w, '^');
waddch (w, CTRL_CHAR (c) ? UNCTRL (c) : '?');
}
else if (c == '\t')
{
/* Expand TABs, since ncurses on MS-Windows doesn't. */
col = getcurx (w);
do
{
waddch (w, ' ');
col++;
} while ((col % 8) != 0);
}
else
{
waddch (w, c);
}
if (c == '\n')
TUI_CMD_WIN->detail.command_info.start_line = getcury (w);
col = getcurx (w);
if (col < prev_col)
height++;
prev_col = col;
}
wclrtobot (w);
TUI_CMD_WIN->detail.command_info.start_line = getcury (w);
if (c_line >= 0)
wmove (w, c_line, c_pos);
TUI_CMD_WIN->detail.command_info.start_line -= height - 1;
wrefresh (w);
fflush(stdout);
}
/* Readline callback.
Redisplay the command line with its prompt after readline has
changed the edited text. */
void
tui_redisplay_readline (void)
{
int prev_col;
int height;
int col, line;
int c_pos;
int c_line;
int in;
WINDOW *w;
char *prompt;
int start_line;
/* Detect when we temporarily left SingleKey and now the readline
edit buffer is empty, automatically restore the SingleKey
mode. The restore must only be done if the command has finished.
The command could call prompt_for_continue and we must not
restore SingleKey so that the prompt and normal keymap are used. */
if (tui_current_key_mode == TUI_ONE_COMMAND_MODE && rl_end == 0
&& immediate_quit == 0)
tui_set_key_mode (TUI_SINGLE_KEY_MODE);
if (tui_current_key_mode == TUI_SINGLE_KEY_MODE)
prompt = "";
else
prompt = tui_rl_saved_prompt;
c_pos = -1;
c_line = -1;
w = TUI_CMD_WIN->generic.handle;
start_line = TUI_CMD_WIN->detail.command_info.start_line;
wmove (w, start_line, 0);
prev_col = 0;
height = 1;
for (in = 0; prompt && prompt[in]; in++)
{
waddch (w, prompt[in]);
getyx (w, line, col);
if (col < prev_col)
height++;
prev_col = col;
}
for (in = 0; in < rl_end; in++)
{
unsigned char c;
c = (unsigned char) rl_line_buffer[in];
if (in == rl_point)
{
getyx (w, c_line, c_pos);
}
if (CTRL_CHAR (c) || c == RUBOUT)
{
waddch (w, '^');
waddch (w, CTRL_CHAR (c) ? UNCTRL (c) : '?');
}
else
{
waddch (w, c);
}
if (c == '\n')
{
getyx (w, TUI_CMD_WIN->detail.command_info.start_line,
TUI_CMD_WIN->detail.command_info.curch);
}
getyx (w, line, col);
if (col < prev_col)
height++;
prev_col = col;
}
wclrtobot (w);
getyx (w, TUI_CMD_WIN->detail.command_info.start_line,
TUI_CMD_WIN->detail.command_info.curch);
if (c_line >= 0)
{
wmove (w, c_line, c_pos);
TUI_CMD_WIN->detail.command_info.cur_line = c_line;
TUI_CMD_WIN->detail.command_info.curch = c_pos;
}
TUI_CMD_WIN->detail.command_info.start_line -= height - 1;
wrefresh (w);
fflush(stdout);
}
