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Added gnu readline

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This commit is contained in:
James Booth
2015-01-27 22:13:09 +00:00
parent 25d31101bf
commit 2cdbfc7eb7
14 changed files with 428 additions and 243 deletions
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62
src/profanity.c
View File

@@ -43,6 +43,8 @@
#include <string.h>
#include <glib.h>
#include <readline/readline.h>
#include <readline/history.h>
#include "profanity.h"
#include "chat_session.h"
@@ -71,6 +73,20 @@ static void _create_directories(void);
static void _connect_default(const char * const account);
static gboolean idle = FALSE;
static void cb_linehandler(char *);
static gboolean cmd_result = TRUE;
static void
cb_linehandler(char *line)
{
/* Can use ^D (stty eof) or `exit' to exit. */
if (*line) {
add_history(line);
}
rl_redisplay();
cmd_result = cmd_process_input(line);
free(line);
}
void
prof_run(const int disable_tls, char *log_level, char *account_name)
@@ -79,26 +95,44 @@ prof_run(const int disable_tls, char *log_level, char *account_name)
_connect_default(account_name);
ui_update();
char *line = NULL;
gboolean cmd_result = TRUE;
fd_set fds;
int r;
rl_callback_handler_install(NULL, cb_linehandler);
log_info("Starting main event loop");
struct timeval t;
t.tv_sec = 0;
t.tv_usec = 10000;
while(cmd_result) {
while(!line) {
_check_autoaway();
line = ui_readline();
#ifdef HAVE_LIBOTR
otr_poll();
#endif
notify_remind();
jabber_process_events();
ui_update();
_check_autoaway();
FD_ZERO(&fds);
FD_SET(fileno (rl_instream), &fds);
r = select(FD_SETSIZE, &fds, NULL, NULL, &t);
if (r < 0) {
perror ("rltest: select");
rl_callback_handler_remove();
break;
}
cmd_result = cmd_process_input(line);
ui_input_clear();
FREE_SET_NULL(line);
if (FD_ISSET (fileno (rl_instream), &fds)) {
rl_callback_read_char();
ui_write(rl_line_buffer, rl_point);
}
// line = ui_readline();
#ifdef HAVE_LIBOTR
otr_poll();
#endif
notify_remind();
jabber_process_events();
ui_update();
}
rl_callback_handler_remove();
}
void

6
src/ui/core.c
View File

@@ -177,6 +177,12 @@ ui_close(void)
endwin();
}
void
ui_write(char *line, int offset)
{
inp_write(line, offset);
}
char*
ui_readline(void)
{

80
src/ui/inputwin.c
View File

@@ -131,6 +131,43 @@ inp_win_resize(void)
_inp_win_update_virtual();
}
static int
offset_to_col(char *str, int offset)
{
int i = 0;
int col = 0;
mbstate_t internal;
while (i != offset && str[i] != '\n') {
gunichar uni = g_utf8_get_char(&str[i]);
size_t ch_len = mbrlen(&str[i], 4, &internal);
i += ch_len;
col++;
if (g_unichar_iswide(uni)) {
col++;
}
}
return col;
}
void
inp_write(char *line, int offset)
{
int col = offset_to_col(line, offset);
cons_debug("LEN BYTES: %d", strlen(line));
cons_debug("LEN UTF8 : %d", g_utf8_strlen(line, -1));
cons_debug("OFFSET : %d", offset);
cons_debug("COL : %d", col);
cons_debug("");
werase(inp_win);
waddstr(inp_win, line);
wmove(inp_win, 0, col);
_inp_win_update_virtual();
}
void
inp_non_block(gint timeout)
{
@@ -174,8 +211,8 @@ inp_read(int *key_type, wint_t *ch)
}
int col = getcurx(inp_win);
int wcols = getmaxx(stdscr);
key_printable(line, &line_utf8_pos, &col, &pad_start, *ch, wcols);
int maxx = getmaxx(stdscr);
key_printable(line, &line_utf8_pos, &col, &pad_start, *ch, maxx);
werase(inp_win);
waddstr(inp_win, line);
@@ -265,44 +302,9 @@ _handle_edit(int key_type, const wint_t ch)
return 1;
// CTRL-RIGHT
} else if (line_utf8_pos < utf8_len && _is_ctrl_right(key_type, ch)) {
gchar *curr_ch = g_utf8_offset_to_pointer(line, line_utf8_pos);
gunichar curr_uni = g_utf8_get_char(curr_ch);
// find next word if in whitespace
while (g_unichar_isspace(curr_uni)) {
col++;
line_utf8_pos++;
curr_ch = g_utf8_find_next_char(curr_ch, NULL);
if (!curr_ch) {
break;
}
curr_uni = g_utf8_get_char(curr_ch);
}
if (curr_ch) {
while (!g_unichar_isspace(curr_uni)) {
line_utf8_pos++;
col++;
if (g_unichar_iswide(curr_uni)) {
col++;
}
curr_ch = g_utf8_find_next_char(curr_ch, NULL);
if (!curr_ch || line_utf8_pos >= utf8_len) {
break;
}
curr_uni = g_utf8_get_char(curr_ch);
}
}
} else if (_is_ctrl_right(key_type, ch)) {
key_ctrl_right(line, &line_utf8_pos, &col, &pad_start, wcols);
wmove(inp_win, 0, col);
// if gone off screen to right, jump right (half a screen worth)
if (col > pad_start + wcols) {
pad_start = pad_start + (wcols / 2);
_inp_win_update_virtual();
}
return 1;
// ALT-LEFT

1
src/ui/inputwin.h
View File

@@ -48,5 +48,6 @@ void inp_non_block(gint);
void inp_block(void);
void inp_get_password(char *passwd);
void inp_history_append(char *inp);
void inp_write(char *line, int offset);
#endif

55
src/ui/keyhandlers.c
View File

@@ -42,7 +42,7 @@
#include "common.h"
void
key_printable(char * const line, int * const line_utf8_pos, int * const col, int * const pad_start, const wint_t ch, const int wcols)
key_printable(char * const line, int * const line_utf8_pos, int * const col, int * const pad_start, const wint_t ch, const int maxx)
{
int utf8_len = g_utf8_strlen(line, -1);
@@ -65,7 +65,7 @@ key_printable(char * const line, int * const line_utf8_pos, int * const col, int
free(new_line);
gunichar uni = g_utf8_get_char(bytes);
if (*col == (*pad_start + wcols)) {
if (*col == (*pad_start + maxx)) {
(*pad_start)++;
if (g_unichar_iswide(uni)) {
(*pad_start)++;
@@ -101,7 +101,7 @@ key_printable(char * const line, int * const line_utf8_pos, int * const col, int
(*col)++;
}
if (*col - *pad_start > wcols-1) {
if (*col - *pad_start > maxx-1) {
(*pad_start)++;
if (g_unichar_iswide(uni)) {
(*pad_start)++;
@@ -112,7 +112,7 @@ key_printable(char * const line, int * const line_utf8_pos, int * const col, int
}
void
key_ctrl_left(const char * const line, int * const line_utf8_pos, int * const col, int * const pad_start, const int wcols)
key_ctrl_left(const char * const line, int * const line_utf8_pos, int * const col, int * const pad_start, const int maxx)
{
if (*line_utf8_pos == 0) {
return;
@@ -120,6 +120,7 @@ key_ctrl_left(const char * const line, int * const line_utf8_pos, int * const co
gchar *curr_ch = g_utf8_offset_to_pointer(line, *line_utf8_pos);
gunichar curr_uni = g_utf8_get_char(curr_ch);
(*line_utf8_pos)--;
(*col)--;
if (g_unichar_iswide(curr_uni)) {
@@ -145,7 +146,7 @@ key_ctrl_left(const char * const line, int * const line_utf8_pos, int * const co
prev_uni = g_utf8_get_char(prev_ch);
(*line_utf8_pos)--;
(*col)--;
if (g_unichar_iswide(prev_uni)) {
if (g_unichar_iswide(curr_uni)) {
(*col)--;
}
if (g_unichar_isspace(prev_uni)) {
@@ -169,3 +170,47 @@ key_ctrl_left(const char * const line, int * const line_utf8_pos, int * const co
*pad_start = *col;
}
}
void
key_ctrl_right(const char * const line, int * const line_utf8_pos, int * const col, int * const pad_start, const int maxx)
{
int utf8_len = g_utf8_strlen(line, -1);
if (*line_utf8_pos >= utf8_len) {
return;
}
gchar *curr_ch = g_utf8_offset_to_pointer(line, *line_utf8_pos);
gunichar curr_uni = g_utf8_get_char(curr_ch);
// find next word if in whitespace
while (g_unichar_isspace(curr_uni)) {
(*col)++;
(*line_utf8_pos)++;
curr_ch = g_utf8_find_next_char(curr_ch, NULL);
if (!curr_ch) {
break;
}
curr_uni = g_utf8_get_char(curr_ch);
}
if (curr_ch) {
while (!g_unichar_isspace(curr_uni)) {
(*line_utf8_pos)++;
(*col)++;
if (g_unichar_iswide(curr_uni)) {
(*col)++;
}
curr_ch = g_utf8_find_next_char(curr_ch, NULL);
if (!curr_ch || *line_utf8_pos >= utf8_len) {
break;
}
curr_uni = g_utf8_get_char(curr_ch);
}
}
// if gone off screen to right, jump right (half a screen worth)
// if (col > pad_start + wcols) {
// pad_start = pad_start + (wcols / 2);
// _inp_win_update_virtual();
// }
}

5
src/ui/keyhandlers.h
View File

@@ -37,8 +37,9 @@
#include <wchar.h>
void key_printable(char * const line, int * const line_utf8_pos, int * const col, int * const pad_start, const wint_t ch, const int wcols);
void key_printable(char * const line, int * const line_utf8_pos, int * const col, int * const pad_start, const wint_t ch, const int maxx);
void key_ctrl_left(const char * const line, int * const line_utf8_pos, int * const col, int * const pad_start, const int wcols);
void key_ctrl_left(const char * const line, int * const line_utf8_pos, int * const col, int * const pad_start, const int maxx);
void key_ctrl_right(const char * const line, int * const line_utf8_pos, int * const col, int * const pad_start, const int maxx);
#endif

1
src/ui/ui.h
View File

@@ -230,6 +230,7 @@ void ui_statusbar_new(const int win);
char * ui_readline(void);
void ui_input_clear(void);
void ui_input_nonblocking(gboolean);
void ui_write(char *line, int offset);
void ui_invalid_command_usage(const char * const usage, void (*setting_func)(void));