/* Multi line low level line refresh.
*
* Rewrite the currently edited line accordingly to the buffer content,
* cursor position, and number of columns of the terminal. */
static void refreshMultiLine(struct linenoiseState *l) {
int plen = wcslen(l->prompt);
int rows = (plen+l->len+l->cols-1)/l->cols; /* rows used by current buf. */
int rpos = (plen+l->oldpos+l->cols)/l->cols; /* cursor relative row. */
int rpos2; /* rpos after refresh. */
int old_rows = l->maxrows;
int j;
/* Update maxrows if needed. */
if (rows > (int)l->maxrows) l->maxrows = rows;
/* First step: clear all the lines used before. To do so start by
* going to the last row. */
if (old_rows-rpos > 0) {
console_move_down(old_rows - rpos);
}
/* Now for every row clear it, go up. */
for (j = 0; j < old_rows-1; j++) {
console_move_to_column(0);
console_erase_to_end_of_line();
console_move_up(1);
}
/* Clean the top line. */
console_move_to_column(0);
console_erase_to_end_of_line();
/* Write the prompt and the current buffer content */
console_write_wchar_string(l->prompt, plen);
console_write_wchar_string(l->buf, l->len);
/* If we are at the very end of the screen with our prompt, we need to
* emit a newline and move the prompt to the first column. */
if (l->pos &&
l->pos == l->len &&
(l->pos+plen) % l->cols == 0)
{
console_scroll_up(1);
console_move_to_column(0);
rows++;
if (rows > (int)l->maxrows)
l->maxrows = rows;
}
/* Move cursor to right position. */
rpos2 = (plen+l->pos+l->cols)/l->cols; /* current cursor relative row. */
/* Go up till we reach the expected positon. */
if (rows-rpos2 > 0) {
console_move_up(rows - rpos2);
}
/* Set column. */
console_move_to_column(((plen+(int)l->pos) % (int)l->cols));
// console_move_down(1);
l->oldpos = l->pos;
}
void loop ()
{
active_flag = true;
timer = SDL_GetTicks ();
update_count = 0;
draw_count = 0;
before_update_time = timer;
after_update_time = before_update_time;
before_draw_time = before_update_time;
after_draw_time = before_update_time;
initialized_flag = true;
while (1) {
SDL_Event e;
// bg_set_backdrop_color(before_update_time);
if (SDL_PollEvent(&e)) {
if (console_flag && (e.type == SDL_KEYDOWN || e.type == SDL_TEXTINPUT)) {
do_console_event(e);
continue;
}
switch(e.type) {
case SDL_QUIT:
break;
case SDL_KEYDOWN:
printf("%u %u %d %d %d %d %d %s\n", e.key.timestamp, e.key.windowID,
(int)e.key.state, (int)e.key.repeat,
(int)e.key.keysym.sym, e.key.keysym.scancode, e.key.keysym.mod,
SDL_GetKeyName(e.key.keysym.sym));
if (e.key.keysym.sym == SDLK_RETURN) {
console_move_to_column(0);
console_move_down(1);
}
break;
case SDL_TEXTEDITING:
printf("textedit %s\n", e.edit.text);
break;
case SDL_TEXTINPUT:
printf("textinput %s\n", e.text.text);
console_write_utf8_string(e.text.text);
break;
default:
on_idle();
break;
}
}
else
on_idle();
SDL_Delay(10);
}
}
void console_move_page_down()
{
int max_lines;
int i;
max_lines=(window_height-hud_y)/18-3;
for(i=0;i<max_lines;i++)
{
console_move_down();
}
}
static void
do_console_event (SDL_Event e)
{
switch(e.type) {
case SDL_QUIT:
break;
case SDL_KEYDOWN:
if (autocomplete_flag)
{
;
}
else {
// Here we process non-textual keys
// backspace -> 8 42 0
if (e.key.keysym.sym == SDLK_BACKSPACE)
lineedit_backspace();
if (e.key.keysym.sym == SDLK_TAB)
lineedit_autocomplete();
if (e.key.keysym.mod == KMOD_LCTRL || e.key.keysym.mod == KMOD_RCTRL)
{
// ctrl-a -> 97 4 64
if (e.key.keysym.sym == SDLK_a)
lineedit_move_home();
// ctrl-b -> 98 5 64
if (e.key.keysym.sym == SDLK_b)
lineedit_move_left();
// ctrl-c -> 99 6 64
if (e.key.keysym.sym == SDLK_c)
lineedit_ctrl_c();
// ctrl-d -> 100 7 64
if (e.key.keysym.sym == SDLK_d)
lineedit_delete_or_eof();
// ctrl-e -> 101 8 64
if (e.key.keysym.sym == SDLK_e)
lineedit_move_end();
// ctrl-f -> 102 9 64
if (e.key.keysym.sym == SDLK_f)
lineedit_move_right();
// ctrl-h -> 104 11 64
if (e.key.keysym.sym == SDLK_h)
lineedit_backspace();
// ctrl-k -> 107 14 64
if (e.key.keysym.sym == SDLK_k)
lineedit_delete_to_end();
// ctrl-l -> 108 15 64
if (e.key.keysym.sym == SDLK_l)
lineedit_clear_screen();
// ctrl-n -> 110 17 64
if (e.key.keysym.sym == SDLK_n)
lineedit_history_next();
// ctrl-p -> 112 19 64
if (e.key.keysym.sym == SDLK_p)
lineedit_history_prev();
// ctrl-t -> 116 23 64
if (e.key.keysym.sym == SDLK_t)
lineedit_swap_chars();
// ctrl-u -> 117 24 64
if (e.key.keysym.sym == SDLK_u)
lineedit_delete_line();
// ctrl-w -> 119 26 64
if (e.key.keysym.sym == SDLK_w)
lineedit_delete_word_prev();
}
// delete -> 127 76 0
if (e.key.keysym.scancode == SDL_SCANCODE_DELETE)
lineedit_delete();
// down -> 1073741905 81 0
if (e.key.keysym.scancode == SDL_SCANCODE_DOWN)
lineedit_history_next();
// end -> 1073741901 77 0
if (e.key.keysym.scancode == SDL_SCANCODE_END)
lineedit_move_end();
// enter -> 13 40
// home -> 1073741898 74 0
if (e.key.keysym.scancode == SDL_SCANCODE_HOME)
lineedit_move_home();
// left -> 1073741904 80 0
if (e.key.keysym.scancode == SDL_SCANCODE_LEFT)
lineedit_move_left();
// right -> 1073741903 79 0
if (e.key.keysym.scancode == SDL_SCANCODE_RIGHT)
lineedit_move_right();
// up -> 1073741906 82 0
if (e.key.keysym.scancode == SDL_SCANCODE_UP)
lineedit_history_prev();
// KP_down -> 1073741914 90 0
// KP_end -> 1073741913 89 0
// KP_enter -> 1073741912 88
// KP_home -> 1073741919 95 0
// KP_left -> 1073741916 92 0
// KP_right -> 1073741918 94 0
// KP_up -> 1073741920 96 0
else if (e.key.keysym.sym == SDLK_TAB)
;
else if (e.key.keysym.sym == SDLK_CLEAR)
;
else if (e.key.keysym.sym == SDLK_RETURN)
;
else if (e.key.keysym.sym == SDLK_PAUSE)
;
else if (e.key.keysym.sym == SDLK_DELETE)
{
}
/* printf("%u %u %d %d %d %d %d\n", e.key.timestamp, e.key.windowID, */
/* (int)e.key.state, (int)e.key.repeat, */
/* e.key.keysym.sym, e.key.keysym.scancode, e.key.keysym.mod); */
if (e.key.keysym.scancode == SDL_SCANCODE_RETURN) {
// End this lineedit session
// Act on the string
// Maybe add the string to the history
lineedit_stop();
console_move_to_column(0);
console_move_down(1);
{
char *script = lineedit_get_text();
if (strlen(script) > 0) {
js_do_console_command(script);
}
}
lineedit_start(buf, 200, L"->");
}
}
break;
case SDL_TEXTEDITING:
// printf("textedit %s\n", e.edit.text);
break;
case SDL_TEXTINPUT:
// printf("textinput %s\n", e.text.text);
// SDL text is always UTF-8. Convert to wchar_t.
do {
wchar_t *input = utf8_to_wcs_alloc (e.text.text);
if (input != NULL) {
if (autocomplete_flag)
lineedit_autocomplete_text_input(input);
else
lineedit_text_input(input);
free(input);
}
} while (0);
break;
default:
on_idle();
break;
}
}
