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Refactor inputwin.c

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This commit is contained in:
James Booth 2015-01-18 22:55:51 +00:00
parent 8954adc620
commit 9ecdb39433
3 changed files with 142 additions and 104 deletions
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12
src/common.c
View File

@ -224,6 +224,18 @@ utf8_display_len(const char * const str)
return len;
}
gboolean
utf8_is_printable(const wint_t ch)
{
char bytes[MB_CUR_MAX+1];
size_t utf_len = wcrtomb(bytes, ch, NULL);
bytes[utf_len] = '\0';
gunichar unichar = g_utf8_get_char(bytes);
return g_unichar_isprint(unichar) && (ch != KEY_MOUSE);
}
char *
prof_getline(FILE *stream)
{

8
src/common.h
View File

@ -36,6 +36,13 @@
#define COMMON_H
#include <stdio.h>
#include <wchar.h>
#ifdef HAVE_NCURSESW_NCURSES_H
#include <ncursesw/ncurses.h>
#elif HAVE_NCURSES_H
#include <ncurses.h>
#endif
#include <glib.h>
@ -105,6 +112,7 @@ char * str_replace(const char *string, const char *substr,
const char *replacement);
int str_contains(const char str[], int size, char ch);
int utf8_display_len(const char * const str);
gboolean utf8_is_printable(const wint_t ch);
char * prof_getline(FILE *stream);
char* release_get_latest(void);
gboolean release_is_new(char *found_version);

224
src/ui/inputwin.c
View File

@ -79,8 +79,9 @@
static WINDOW *inp_win;
static History history;
// input line
static char line[INP_WIN_MAX];
static int line_bytes_len;
// current position in the utf8 string
static int line_utf8_pos;
static int pad_start = 0;
@ -88,11 +89,15 @@ static int wrows, wcols;
static int _handle_edit(int key_type, const wint_t ch);
static int _handle_alt_key(int key);
static void _handle_delete_previous_word(void);
static void _handle_backspace(void);
static int _printable(const wint_t ch);
static void _clear_input(void);
static void _go_to_end(void);
static void _delete_previous_word(void);
static gboolean _is_ctrl_left(int key_type, const wint_t ch);
static gboolean _is_ctrl_right(int key_type, const wint_t ch);
void
create_input_window(void)
@ -109,20 +114,20 @@ create_input_window(void)
wmove(inp_win, 0, 0);
_inp_win_update_virtual();
history = history_new(MAX_HISTORY);
line_bytes_len = 0;
line_utf8_pos = 0;
line[0] = '\0';
}
void
inp_win_resize(void)
{
int inp_x;
int col;
getmaxyx(stdscr, wrows, wcols);
inp_x = getcurx(inp_win);
col = getcurx(inp_win);
// if lost cursor off screen, move contents to show it
if (inp_x >= pad_start + wcols) {
pad_start = inp_x - (wcols / 2);
if (col >= pad_start + wcols) {
pad_start = col - (wcols / 2);
if (pad_start < 0) {
pad_start = 0;
}
@ -151,24 +156,25 @@ inp_read(int *key_type, wint_t *ch)
noecho();
*key_type = wget_wch(inp_win, ch);
int display_len = utf8_display_len(line);
int bytes_len = strlen(line);
gboolean in_command = FALSE;
if ((display_len > 0 && line[0] == '/') ||
(display_len == 0 && *ch == '/')) {
if ((bytes_len > 0 && line[0] == '/') ||
(bytes_len == 0 && *ch == '/')) {
in_command = TRUE;
}
if (*key_type == ERR) {
prof_handle_idle();
}
if ((*key_type != ERR) && (*key_type != KEY_CODE_YES) && !in_command && _printable(*ch)) {
if ((*key_type != ERR) && (*key_type != KEY_CODE_YES) && !in_command && utf8_is_printable(*ch)) {
prof_handle_activity();
}
// if it wasn't an arrow key etc
if (!_handle_edit(*key_type, *ch)) {
if (_printable(*ch) && *key_type != KEY_CODE_YES) {
if (line_bytes_len >= INP_WIN_MAX) {
if (utf8_is_printable(*ch) && *key_type != KEY_CODE_YES) {
if (bytes_len >= INP_WIN_MAX) {
*ch = ERR;
return NULL;
}
@ -205,7 +211,6 @@ inp_read(int *key_type, wint_t *ch)
// otherwise just append
} else {
int display_len = utf8_display_len(line);
char bytes[MB_CUR_MAX+1];
size_t utf8_ch_len = wcrtomb(bytes, *ch, NULL);
@ -213,9 +218,9 @@ inp_read(int *key_type, wint_t *ch)
if (utf8_ch_len < MB_CUR_MAX) {
int i;
for (i = 0 ; i < utf8_ch_len; i++) {
line[line_bytes_len++] = bytes[i];
line[bytes_len++] = bytes[i];
}
line[line_bytes_len] = '\0';
line[bytes_len] = '\0';
bytes[utf8_ch_len] = '\0';
waddstr(inp_win, bytes);
@ -232,7 +237,7 @@ inp_read(int *key_type, wint_t *ch)
// if gone over screen size follow input
int wrows, wcols;
getmaxyx(stdscr, wrows, wcols);
if (display_len - pad_start > wcols-2) {
if (col - pad_start > wcols-2) {
pad_start++;
_inp_win_update_virtual();
}
@ -247,14 +252,14 @@ inp_read(int *key_type, wint_t *ch)
char *result = NULL;
if (*ch == '\n') {
line[line_bytes_len] = '\0';
result = strdup(line);
line[0] = '\0';
line_bytes_len = 0;
line_utf8_pos = 0;
}
if (*ch != ERR && *key_type != ERR) {
cons_debug("BYTE LEN = %d", bytes_len);
cons_debug("UTF8 LEN = %d", utf8_display_len(line));
cons_debug("CURR COL = %d", getcurx(inp_win));
cons_debug("CURR UNI = %d", line_utf8_pos);
cons_debug("");
@ -285,11 +290,9 @@ inp_put_back(void)
void
inp_replace_input(const char * const new_input)
{
_clear_input();
strncpy(line, new_input, INP_WIN_MAX);
line_bytes_len = strlen(line);
inp_win_reset();
waddstr(inp_win, line);
_go_to_end();
}
@ -297,7 +300,6 @@ void
inp_win_reset(void)
{
_clear_input();
pad_start = 0;
_inp_win_update_virtual();
}
@ -312,6 +314,10 @@ _clear_input(void)
{
werase(inp_win);
wmove(inp_win, 0, 0);
pad_start = 0;
line[0] = '\0';
line_utf8_pos = 0;
}
/*
@ -322,27 +328,29 @@ _clear_input(void)
static int
_handle_edit(int key_type, const wint_t ch)
{
char *prev = NULL;
char *next = NULL;
int col = getcurx(inp_win);
int next_ch;
int display_size = utf8_display_len(line);
int utf8_len = g_utf8_strlen(line, -1);
// CTRL-LEFT
if ((key_type == KEY_CODE_YES) && (ch == 547 || ch == 545 || ch == 544 || ch == 540 || ch == 539) && (col > 0)) {
line[line_bytes_len] = '\0';
gchar *curr_ch = g_utf8_offset_to_pointer(line, col);
curr_ch = g_utf8_find_prev_char(line, curr_ch);
gchar *prev_ch;
gunichar curr_uni;
gunichar prev_uni;
if (line_utf8_pos > 0 && _is_ctrl_left(key_type, ch)) {
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)) {
col--;
}
curr_ch = g_utf8_find_prev_char(line, curr_ch);
gchar *prev_ch;
gunichar prev_uni;
while (curr_ch != NULL) {
curr_uni = g_utf8_get_char(curr_ch);
if (g_unichar_isspace(curr_uni)) {
curr_ch = g_utf8_find_prev_char(line, curr_ch);
line_utf8_pos--;
col--;
} else {
prev_ch = g_utf8_find_prev_char(line, curr_ch);
if (prev_ch == NULL) {
@ -350,6 +358,11 @@ _handle_edit(int key_type, const wint_t ch)
break;
} else {
prev_uni = g_utf8_get_char(prev_ch);
line_utf8_pos--;
col--;
if (g_unichar_iswide(prev_uni)) {
col--;
}
if (g_unichar_isspace(prev_uni)) {
break;
} else {
@ -363,8 +376,8 @@ _handle_edit(int key_type, const wint_t ch)
col = 0;
wmove(inp_win, 0, col);
} else {
glong offset = g_utf8_pointer_to_offset(line, curr_ch);
col = offset;
col++;
line_utf8_pos++;
wmove(inp_win, 0, col);
}
@ -380,39 +393,37 @@ _handle_edit(int key_type, const wint_t ch)
return 1;
// CTRL-RIGHT
} else if ((key_type == KEY_CODE_YES) && (ch == 562 || ch == 560 || ch == 555 || ch == 559 || ch == 554) && (col < display_size)) {
line[line_bytes_len] = '\0';
gchar *curr_ch = g_utf8_offset_to_pointer(line, col);
gchar *next_ch = g_utf8_find_next_char(curr_ch, NULL);
gunichar curr_uni;
gunichar next_uni;
gboolean moved = FALSE;
} 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);
while (g_utf8_pointer_to_offset(line, next_ch) < display_size) {
curr_uni = g_utf8_get_char(curr_ch);
next_uni = g_utf8_get_char(next_ch);
curr_ch = next_ch;
next_ch = g_utf8_find_next_char(next_ch, NULL);
if (!g_unichar_isspace(curr_uni) && g_unichar_isspace(next_uni) && moved) {
// 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;
} else {
moved = TRUE;
}
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 (next_ch == NULL) {
col = display_size;
wmove(inp_win, 0, col);
} else {
glong offset = g_utf8_pointer_to_offset(line, curr_ch);
if (offset == display_size - 1) {
col = offset + 1;
} else {
col = offset;
}
wmove(inp_win, 0, col);
}
// if gone off screen to right, jump right (half a screen worth)
if (col > pad_start + wcols) {
@ -434,6 +445,9 @@ _handle_edit(int key_type, const wint_t ch)
// other editing keys
} else {
int bytes_len = strlen(line);
int next_ch;
switch(ch) {
case 27: // ESC
@ -442,7 +456,6 @@ _handle_edit(int key_type, const wint_t ch)
if (next_ch != ERR) {
return _handle_alt_key(next_ch);
} else {
line_bytes_len = 0;
inp_win_reset();
return 1;
}
@ -462,27 +475,27 @@ _handle_edit(int key_type, const wint_t ch)
return 0;
}
case KEY_CTRL_D:
if (col == display_size-1) {
gchar *start = g_utf8_substring(line, 0, col);
for (line_bytes_len = 0; line_bytes_len < strlen(start); line_bytes_len++) {
line[line_bytes_len] = start[line_bytes_len];
}
line[line_bytes_len] = '\0';
if (line_utf8_pos == utf8_len) {
return 1;
} else if (line_utf8_pos == utf8_len-1) {
gchar *curr_ch = g_utf8_offset_to_pointer(line, line_utf8_pos);
int bytes_len_ch = strlen(curr_ch);
bytes_len -= bytes_len_ch;
line[bytes_len] = '\0';
line_utf8_pos--;
wdelch(inp_win);
g_free(start);
_clear_input();
waddstr(inp_win, line);
} else if (col < display_size-1) {
return 1;
} else if (line_utf8_pos < utf8_len-1) {
gchar *start = g_utf8_substring(line, 0, col);
gchar *end = g_utf8_substring(line, col+1, line_bytes_len);
gchar *end = g_utf8_substring(line, col+1, bytes_len);
GString *new = g_string_new(start);
g_string_append(new, end);
for (line_bytes_len = 0; line_bytes_len < strlen(new->str); line_bytes_len++) {
line[line_bytes_len] = new->str[line_bytes_len];
for (bytes_len = 0; bytes_len < strlen(new->str); bytes_len++) {
line[bytes_len] = new->str[bytes_len];
}
line[line_bytes_len] = '\0';
line[bytes_len] = '\0';
g_free(start);
g_free(end);
@ -550,8 +563,8 @@ _handle_edit(int key_type, const wint_t ch)
return 0;
}
case KEY_CTRL_P:
line[line_bytes_len] = '\0';
prev = history_previous(history, line);
line[bytes_len] = '\0';
char *prev = history_previous(history, line);
if (prev) {
inp_replace_input(prev);
}
@ -562,12 +575,12 @@ _handle_edit(int key_type, const wint_t ch)
return 0;
}
case KEY_CTRL_N:
line[line_bytes_len] = '\0';
next = history_next(history, line);
line[bytes_len] = '\0';
char *next = history_next(history, line);
if (next) {
inp_replace_input(next);
} else if (line_bytes_len != 0) {
line[line_bytes_len] = '\0';
} else if (bytes_len != 0) {
line[bytes_len] = '\0';
history_append(history, line);
inp_replace_input("");
}
@ -580,6 +593,7 @@ _handle_edit(int key_type, const wint_t ch)
case KEY_CTRL_A:
wmove(inp_win, 0, 0);
pad_start = 0;
line_utf8_pos = 0;
_inp_win_update_virtual();
return 1;
@ -592,8 +606,8 @@ _handle_edit(int key_type, const wint_t ch)
return 1;
case 9: // tab
if (line_bytes_len != 0) {
line[line_bytes_len] = '\0';
if (bytes_len != 0) {
line[bytes_len] = '\0';
if ((strncmp(line, "/", 1) != 0) && (ui_current_win_type() == WIN_MUC)) {
char *result = muc_autocomplete(line);
if (result) {
@ -611,13 +625,13 @@ _handle_edit(int key_type, const wint_t ch)
return 1;
case KEY_CTRL_W:
_delete_previous_word();
_handle_delete_previous_word();
return 1;
break;
case KEY_CTRL_U:
while (getcurx(inp_win) > 0) {
_delete_previous_word();
_handle_delete_previous_word();
}
return 1;
break;
@ -723,7 +737,7 @@ _handle_alt_key(int key)
break;
case 263:
case 127:
_delete_previous_word();
_handle_delete_previous_word();
break;
default:
break;
@ -732,12 +746,11 @@ _handle_alt_key(int key)
}
static void
_delete_previous_word(void)
_handle_delete_previous_word(void)
{
int end_del = getcurx(inp_win);
int start_del = end_del;
line[line_bytes_len] = '\0';
gchar *curr_ch = g_utf8_offset_to_pointer(line, end_del);
curr_ch = g_utf8_find_prev_char(line, curr_ch);
gchar *prev_ch;
@ -783,8 +796,8 @@ _delete_previous_word(void)
line[strlen(start_string)+i] = end_string[i];
}
line_bytes_len = strlen(start_string)+i;
line[line_bytes_len] = '\0';
int bytes_len = strlen(start_string)+i;
line[bytes_len] = '\0';
_clear_input();
waddstr(inp_win, line);
@ -807,18 +820,23 @@ _go_to_end(void)
int display_len = utf8_display_len(line);
wmove(inp_win, 0, display_len);
line_utf8_pos = g_utf8_strlen(line, -1);
if (display_len > wcols-2) {
pad_start = display_len - wcols + 1;
_inp_win_update_virtual();
}
}
static int
_printable(const wint_t ch)
static gboolean
_is_ctrl_left(int key_type, const wint_t ch)
{
char bytes[MB_CUR_MAX+1];
size_t utf_len = wcrtomb(bytes, ch, NULL);
bytes[utf_len] = '\0';
gunichar unichar = g_utf8_get_char(bytes);
return g_unichar_isprint(unichar) && (ch != KEY_MOUSE);
return ((key_type == KEY_CODE_YES)
&& (ch == 547 || ch == 545 || ch == 544 || ch == 540 || ch == 539));
}
static gboolean
_is_ctrl_right(int key_type, const wint_t ch)
{
return ((key_type == KEY_CODE_YES)
&& (ch == 562 || ch == 560 || ch == 555 || ch == 559 || ch == 554));
}