/* TUI support I/O functions.
- Copyright (C) 1998-2015 Free Software Foundation, Inc.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
Contributed by Hewlett-Packard Company.
#include "tui/tui-win.h"
#include "tui/tui-wingeneral.h"
#include "tui/tui-file.h"
+#include "tui/tui-out.h"
#include "ui-out.h"
#include "cli-out.h"
#include <fcntl.h>
return (ch == 8);
}
-int
-key_is_command_char (int ch)
-{
- return ((ch == KEY_NPAGE) || (ch == KEY_PPAGE)
- || (ch == KEY_LEFT) || (ch == KEY_RIGHT)
- || (ch == KEY_UP) || (ch == KEY_DOWN)
- || (ch == KEY_SF) || (ch == KEY_SR)
- || (ch == (int)'\f')
- || key_is_start_sequence (ch));
-}
-
/* Use definition from readline 4.3. */
#undef CTRL_CHAR
#define CTRL_CHAR(c) \
/* GDB output files in non-curses mode. */
static struct ui_file *tui_old_stdout;
static struct ui_file *tui_old_stderr;
-struct ui_out *tui_old_uiout;
+cli_ui_out *tui_old_uiout;
/* Readline previous hooks. */
static rl_getc_func_t *tui_old_rl_getc_function;
static rl_voidfunc_t *tui_old_rl_redisplay_function;
static rl_vintfunc_t *tui_old_rl_prep_terminal;
static rl_voidfunc_t *tui_old_rl_deprep_terminal;
+static rl_compdisp_func_t *tui_old_rl_display_matches_hook;
static int tui_old_rl_echoing_p;
/* Readline output stream.
This may be the main gdb prompt or a secondary prompt. */
static char *tui_rl_saved_prompt;
-static int tui_handle_resize_during_io (int, int);
+/* Print a character in the curses command window. The output is
+ buffered. It is up to the caller to refresh the screen if
+ necessary. */
+
+static void
+do_tui_putc (WINDOW *w, char c)
+{
+ static int tui_skip_line = -1;
+
+ /* Catch annotation and discard them. We need two \032 and discard
+ until a \n is seen. */
+ if (c == '\032')
+ {
+ tui_skip_line++;
+ }
+ else if (tui_skip_line != 1)
+ {
+ tui_skip_line = -1;
+ /* Expand TABs, since ncurses on MS-Windows doesn't. */
+ if (c == '\t')
+ {
+ int col;
+
+ col = getcurx (w);
+ do
+ {
+ waddch (w, ' ');
+ col++;
+ }
+ while ((col % 8) != 0);
+ }
+ else
+ waddch (w, c);
+ }
+ else if (c == '\n')
+ tui_skip_line = -1;
+}
+
+/* Update the cached value of the command window's start line based on
+ the window's current Y coordinate. */
+
+static void
+update_cmdwin_start_line ()
+{
+ TUI_CMD_WIN->detail.command_info.start_line
+ = getcury (TUI_CMD_WIN->generic.handle);
+}
+
+/* Print a character in the curses command window. The output is
+ buffered. It is up to the caller to refresh the screen if
+ necessary. */
static void
tui_putc (char c)
{
- char buf[2];
+ WINDOW *w = TUI_CMD_WIN->generic.handle;
+
+ do_tui_putc (w, c);
+ update_cmdwin_start_line ();
+}
+
+/* Print LENGTH characters from the buffer pointed to by BUF to the
+ curses command window. The output is buffered. It is up to the
+ caller to refresh the screen if necessary. */
+
+void
+tui_write (const char *buf, size_t length)
+{
+ WINDOW *w = TUI_CMD_WIN->generic.handle;
- buf[0] = c;
- buf[1] = 0;
- tui_puts (buf);
+ for (size_t i = 0; i < length; i++)
+ do_tui_putc (w, buf[i]);
+ update_cmdwin_start_line ();
}
-/* Print the string in the curses command window. */
+/* Print a string in the curses command window. The output is
+ buffered. It is up to the caller to refresh the screen if
+ necessary. */
+
void
tui_puts (const char *string)
{
- static int tui_skip_line = -1;
+ WINDOW *w = TUI_CMD_WIN->generic.handle;
char c;
- WINDOW *w;
- w = TUI_CMD_WIN->generic.handle;
while ((c = *string++) != 0)
- {
- /* Catch annotation and discard them. We need two \032 and
- discard until a \n is seen. */
- if (c == '\032')
- {
- tui_skip_line++;
- }
- else if (tui_skip_line != 1)
- {
- tui_skip_line = -1;
- /* Expand TABs, since ncurses on MS-Windows doesn't. */
- if (c == '\t')
- {
- int line, col;
-
- getyx (w, line, col);
- do
- {
- waddch (w, ' ');
- col++;
- } while ((col % 8) != 0);
- }
- else
- waddch (w, c);
- }
- else if (c == '\n')
- tui_skip_line = -1;
- }
- getyx (w, TUI_CMD_WIN->detail.command_info.cur_line,
- TUI_CMD_WIN->detail.command_info.curch);
- TUI_CMD_WIN->detail.command_info.start_line
- = TUI_CMD_WIN->detail.command_info.cur_line;
-
- /* We could defer the following. */
- wrefresh (w);
- fflush (stdout);
+ do_tui_putc (w, c);
+ update_cmdwin_start_line ();
}
/* Readline callback.
{
int prev_col;
int height;
- int col, line;
+ int col;
int c_pos;
int c_line;
int in;
WINDOW *w;
- char *prompt;
+ const char *prompt;
int start_line;
/* Detect when we temporarily left SingleKey and now the readline
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)
+ && !gdb_in_secondary_prompt_p (current_ui))
tui_set_key_mode (TUI_SINGLE_KEY_MODE);
if (tui_current_key_mode == TUI_SINGLE_KEY_MODE)
for (in = 0; prompt && prompt[in]; in++)
{
waddch (w, prompt[in]);
- getyx (w, line, col);
+ col = getcurx (w);
if (col <= prev_col)
height++;
prev_col = col;
else if (c == '\t')
{
/* Expand TABs, since ncurses on MS-Windows doesn't. */
- getyx (w, line, col);
+ col = getcurx (w);
do
{
waddch (w, ' ');
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);
+ TUI_CMD_WIN->detail.command_info.start_line = getcury (w);
+ col = getcurx (w);
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);
+ 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.cur_line = c_line;
- TUI_CMD_WIN->detail.command_info.curch = c_pos;
- }
+ wmove (w, c_line, c_pos);
TUI_CMD_WIN->detail.command_info.start_line -= height - 1;
wrefresh (w);
tui_mld_erase_entire_line (const struct match_list_displayer *displayer)
{
WINDOW *w = TUI_CMD_WIN->generic.handle;
+ int cur_y = getcury (w);
- wmove (w, TUI_CMD_WIN->detail.command_info.cur_line, 0);
+ wmove (w, cur_y, 0);
wclrtoeol (w);
- wmove (w, TUI_CMD_WIN->detail.command_info.cur_line, 0);
+ wmove (w, cur_y, 0);
}
/* TUI version of displayer.beep. */
WINDOW *w = TUI_CMD_WIN->generic.handle;
int c = wgetch (w);
- c = tui_handle_resize_during_io (c, 1);
-
return c;
}
tui_old_rl_deprep_terminal = rl_deprep_term_function;
tui_old_rl_prep_terminal = rl_prep_term_function;
tui_old_rl_getc_function = rl_getc_function;
+ tui_old_rl_display_matches_hook = rl_completion_display_matches_hook;
tui_old_rl_outstream = rl_outstream;
tui_old_rl_echoing_p = _rl_echoing_p;
rl_redisplay_function = tui_redisplay_readline;
/* Keep track of previous gdb output. */
tui_old_stdout = gdb_stdout;
tui_old_stderr = gdb_stderr;
- tui_old_uiout = current_uiout;
+ tui_old_uiout = dynamic_cast<cli_ui_out *> (current_uiout);
+ gdb_assert (tui_old_uiout != nullptr);
/* Reconfigure gdb output. */
gdb_stdout = tui_stdout;
rl_deprep_term_function = tui_old_rl_deprep_terminal;
rl_prep_term_function = tui_old_rl_prep_terminal;
rl_getc_function = tui_old_rl_getc_function;
+ rl_completion_display_matches_hook = tui_old_rl_display_matches_hook;
rl_outstream = tui_old_rl_outstream;
- rl_completion_display_matches_hook = 0;
_rl_echoing_p = tui_old_rl_echoing_p;
rl_already_prompted = 0;
/* Force a refresh of the screen. */
tui_refresh_all_win ();
- /* Update cursor position on the screen. */
- wmove (TUI_CMD_WIN->generic.handle,
- TUI_CMD_WIN->detail.command_info.start_line,
- TUI_CMD_WIN->detail.command_info.curch);
wrefresh (TUI_CMD_WIN->generic.handle);
}
signal (sig, tui_cont_sig);
#endif
/* Create tui output streams. */
- tui_stdout = tui_fileopen (stdout);
- tui_stderr = tui_fileopen (stderr);
+ tui_stdout = new tui_file (stdout);
+ tui_stderr = new tui_file (stderr);
tui_out = tui_out_new (tui_stdout);
/* Create the default UI. */
#endif
ch = wgetch (w);
- ch = tui_handle_resize_during_io (ch, 0);
/* The \n must be echoed because it will not be printed by
readline. */
with empty lines with gdb prompt at beginning. Instead of that,
stay on the same line but provide a visual effect to show the
user we recognized the command. */
- if (rl_end == 0)
+ if (rl_end == 0 && !gdb_in_secondary_prompt_p (current_ui))
{
- wmove (w, TUI_CMD_WIN->detail.command_info.cur_line, 0);
+ wmove (w, getcury (w), 0);
/* Clear the line. This will blink the gdb prompt since
it will be redrawn at the same line. */
}
else
{
- wmove (w, TUI_CMD_WIN->detail.command_info.cur_line,
- TUI_CMD_WIN->detail.command_info.curch);
- waddch (w, ch);
+ /* Move cursor to the end of the command line before emitting the
+ newline. We need to do so because when ncurses outputs a newline
+ it truncates any text that appears past the end of the cursor. */
+ int px, py;
+ getyx (w, py, px);
+ px += rl_end - rl_point;
+ py += px / TUI_CMD_WIN->generic.width;
+ px %= TUI_CMD_WIN->generic.width;
+ wmove (w, py, px);
+ tui_putc ('\n');
}
}
- if (key_is_command_char (ch))
- { /* Handle prev/next/up/down here. */
- ch = tui_dispatch_ctrl_char (ch);
- }
+ /* Handle prev/next/up/down here. */
+ ch = tui_dispatch_ctrl_char (ch);
- if (ch == '\n' || ch == '\r' || ch == '\f')
- TUI_CMD_WIN->detail.command_info.curch = 0;
if (ch == KEY_BACKSPACE)
return '\b';
- if (async_command_editing_p && key_is_start_sequence (ch))
+ if (current_ui->command_editing && key_is_start_sequence (ch))
{
int ch_pending;
char *
tui_expand_tabs (const char *string, int col)
{
- int n_adjust;
+ int n_adjust, ncol;
const char *s;
char *ret, *q;
/* 1. How many additional characters do we need? */
- for (n_adjust = 0, s = string; s; )
+ for (ncol = col, n_adjust = 0, s = string; s; )
{
s = strpbrk (s, "\t");
if (s)
{
- col += (s - string) + n_adjust;
+ ncol += (s - string) + n_adjust;
/* Adjustment for the next tab stop, minus one for the TAB
we replace with spaces. */
- n_adjust += 8 - (col % 8) - 1;
+ n_adjust += 8 - (ncol % 8) - 1;
s++;
}
}
/* Allocate the copy. */
- ret = q = xmalloc (strlen (string) + n_adjust + 1);
+ ret = q = (char *) xmalloc (strlen (string) + n_adjust + 1);
/* 2. Copy the original string while replacing TABs with spaces. */
- for (s = string; s; )
+ for (ncol = col, s = string; s; )
{
- char *s1 = strpbrk (s, "\t");
+ const char *s1 = strpbrk (s, "\t");
if (s1)
{
if (s1 > s)
{
strncpy (q, s, s1 - s);
q += s1 - s;
- col += s1 - s;
+ ncol += s1 - s;
}
do {
*q++ = ' ';
- col++;
- } while ((col % 8) != 0);
+ ncol++;
+ } while ((ncol % 8) != 0);
s1++;
}
else
return ret;
}
-
-/* Cleanup when a resize has occured.
- Returns the character that must be processed. */
-
-static int
-tui_handle_resize_during_io (int original_ch, int for_completion)
-{
- if (tui_win_resized ())
- {
- tui_resize_all ();
- tui_refresh_all_win ();
- tui_set_win_resized_to (FALSE);
- if (!for_completion)
- {
- dont_repeat ();
- return '\n';
- }
- }
-
- return original_ch;
-}
projects / deliverable / binutils-gdb.git / blobdiff