/* capture_regex: Captures a regular expression from the user.
* ---------------
* Side Effect:
*
* regex_line: The regex the user has entered.
* regex_line_pos: The next available index into regex_line.
*
* Return Value: 0 if user gave a regex, otherwise 1.
*/
static int capture_regex(struct filedlg *fd)
{
int c;
extern struct kui_manager *kui_ctx;
/* Initialize the function for finding a regex and tell user */
regex_search = 1;
regex_line_pos = 0;
regex_line[regex_line_pos] = '\0';
filedlg_display(fd);
do {
c = kui_manager_getkey_blocking(kui_ctx);
if (regex_line_pos == (MAX_LINE - 1) && !(c == CGDB_KEY_ESC || c == 8
|| c == 127))
continue;
/* Quit the search if the user hit escape */
if (c == CGDB_KEY_ESC) {
regex_line_pos = 0;
regex_line[regex_line_pos] = '\0';
regex_search = 0;
filedlg_search_regex(fd, regex_line, 2, regex_direction, 1);
filedlg_display(fd);
return 1;
}
/* If the user hit enter, then a successful regex has been recieved */
if (c == '\r' || c == '\n' || c == CGDB_KEY_CTRL_M) {
regex_line[regex_line_pos] = '\0';
break;
}
/* If the user hit backspace or delete remove a char */
if (CGDB_BACKSPACE_KEY(c)) {
if (regex_line_pos > 0)
--regex_line_pos;
regex_line[regex_line_pos] = '\0';
filedlg_search_regex(fd, regex_line, 1, regex_direction, 1);
filedlg_display(fd);
continue;
}
/* Add a char, search and draw */
regex_line[regex_line_pos++] = c;
regex_line[regex_line_pos] = '\0';
filedlg_search_regex(fd, regex_line, 1, regex_direction, 1);
filedlg_display(fd);
} while (1);
/* Finished */
regex_search = 0;
filedlg_search_regex(fd, regex_line, 2, regex_direction, 1);
filedlg_display(fd);
return 0;
}
/* if_draw: Draws the interface on the screen.
* --------
*/
void if_draw(void)
{
/* Only redisplay the filedlg if it is up */
if (focus == FILE_DLG) {
filedlg_display(fd);
return;
}
update_status_win();
if (get_src_height() != 0 && get_gdb_height() != 0)
wrefresh(status_win);
if (tty_win_on)
wrefresh(tty_status_win);
if (get_src_height() > 0)
source_display(src_win, focus == CGDB);
if (tty_win_on && get_tty_height() > 0)
scr_refresh(tty_win, focus == TTY);
if (get_gdb_height() > 0)
scr_refresh(gdb_win, focus == GDB);
/* This check is here so that the cursor goes to the
* cgdb window. The cursor would stay in the gdb window
* on cygwin */
if (get_src_height() > 0 && focus == CGDB)
wrefresh(src_win->win);
}
/* if_draw: Draws the interface on the screen.
* --------
*/
void if_draw(void)
{
if (!curses_initialized)
return;
/* Only redisplay the filedlg if it is up */
if (focus == FILE_DLG) {
filedlg_display(fd);
return;
}
update_status_win(WIN_NO_REFRESH);
if (get_src_height() != 0 && get_gdb_height() != 0)
swin_wnoutrefresh(status_win);
if (get_src_height() > 0)
source_display(src_viewer, focus == CGDB, WIN_NO_REFRESH);
separator_display(cur_split_orientation == WSO_VERTICAL);
if (get_gdb_height() > 0)
scr_refresh(gdb_scroller, focus == GDB, WIN_NO_REFRESH);
/* This check is here so that the cursor goes to the
* cgdb window. The cursor would stay in the gdb window
* on cygwin */
if (get_src_height() > 0 && focus == CGDB)
swin_wnoutrefresh(src_viewer->win);
swin_doupdate();
}
int filedlg_recv_char(struct filedlg *fd, int key, char *file)
{
int height, width;
/* Initialize size variables */
getmaxyx(fd->win, height, width);
filedlg_display(fd);
switch (key) {
case 'q':
return -1;
/* Vertical scrolling */
case CGDB_KEY_DOWN:
case 'j':
filedlg_vscroll(fd, 1);
break;
case CGDB_KEY_NPAGE:
case CGDB_KEY_CTRL_F: /* VI-style page down */
filedlg_vscroll(fd, height - 1);
break;
case CGDB_KEY_UP:
case 'k':
filedlg_vscroll(fd, -1);
break;
case CGDB_KEY_PPAGE:
case CGDB_KEY_CTRL_B: /* VI-style page up */
filedlg_vscroll(fd, -(height - 1));
break;
/* Horizontal scrolling */
case CGDB_KEY_RIGHT:
case 'l':
filedlg_hscroll(fd, 1);
break;
case CGDB_KEY_LEFT:
case 'h':
filedlg_hscroll(fd, -1);
break;
case '/':
case '?':
regex_direction = ('/' == key);
/* Capturing regular expressions */
filedlg_search_regex_init(fd);
capture_regex(fd);
break;
case 'n':
filedlg_search_regex(fd, regex_line, 2, regex_direction, 1);
break;
case 'N':
filedlg_search_regex(fd, regex_line, 2, !regex_direction, 1);
break;
/* User selected a file */
case '\n':
case '\r':
case CGDB_KEY_CTRL_M:
strcpy(file, fd->buf->files[fd->buf->sel_line]);
return 1;
default:
break;
}
filedlg_display(fd);
return 0;
}
int filedlg_recv_char(struct filedlg *fd, int key, char *file, int last_key_pressed)
{
/* Initialize size variables */
int height = swin_getmaxy(fd->win);
filedlg_display(fd);
switch (key) {
case 'q':
return -1;
/* Vertical scrolling */
case CGDB_KEY_DOWN:
case 'j':
filedlg_vscroll(fd, 1);
break;
case CGDB_KEY_NPAGE:
case CGDB_KEY_CTRL_F: /* VI-style page down */
filedlg_vscroll(fd, height - 1);
break;
case CGDB_KEY_CTRL_D: /* VI-style 1/2 page down */
filedlg_vscroll(fd, height / 2);
break;
case CGDB_KEY_CTRL_U: /* VI-style 1/2 page up */
filedlg_vscroll(fd, -height / 2);
break;
case CGDB_KEY_UP:
case 'k':
filedlg_vscroll(fd, -1);
break;
case CGDB_KEY_PPAGE:
case CGDB_KEY_CTRL_B: /* VI-style page up */
filedlg_vscroll(fd, -(height - 1));
break;
/* Horizontal scrolling */
case CGDB_KEY_RIGHT:
case 'l':
filedlg_hscroll(fd, 1);
break;
case CGDB_KEY_LEFT:
case 'h':
filedlg_hscroll(fd, -1);
break;
case '/':
case '?':
regex_direction = ('/' == key);
/* Capturing regular expressions */
filedlg_search_regex_init(fd);
capture_regex(fd);
break;
case 'n':
filedlg_search_regex(fd, regex_line, 2, regex_direction, 1);
break;
case 'N':
filedlg_search_regex(fd, regex_line, 2, !regex_direction, 1);
break;
/* User selected a file */
case '\n':
case '\r':
case CGDB_KEY_CTRL_M:
strcpy(file, fd->buf->files[fd->buf->sel_line]);
return 1;
case 'g': /* beginning of file */
if (last_key_pressed == 'g')
filedlg_set_sel_line(fd, 0);
break;
case 'G': { /* end of file, or a line number*/
int lineno = -1, result;
result = cgdb_string_to_int(ibuf_get(fd->G_line_number), &lineno);
if (result == 0) {
filedlg_set_sel_line(fd, lineno -1);
}
break;
}
default:
break;
}
/* Store digits into G_line_number for 'G' command. */
if (key >= '0' && key <= '9') {
ibuf_addchar(fd->G_line_number, key);
} else {
ibuf_clear(fd->G_line_number);
}
filedlg_display(fd);
return 0;
}
