bool handleNumInput(bContext *C, NumInput *n, const wmEvent *event)
{
const char *utf8_buf = NULL;
char ascii[2] = {'\0', '\0'};
bool updated = false;
short idx = n->idx, idx_max = n->idx_max;
short dir = STRCUR_DIR_NEXT, mode = STRCUR_JUMP_NONE;
int cur;
double val;
switch (event->type) {
case EVT_MODAL_MAP:
if (ELEM(event->val, NUM_MODAL_INCREMENT_UP, NUM_MODAL_INCREMENT_DOWN)) {
n->val[idx] += (event->val == NUM_MODAL_INCREMENT_UP) ? n->val_inc[idx] : -n->val_inc[idx];
value_to_editstr(n, idx);
n->val_flag[idx] |= NUM_EDITED;
updated = true;
}
else {
/* might be a char too... */
utf8_buf = event->utf8_buf;
ascii[0] = event->ascii;
}
break;
case BACKSPACEKEY:
/* Part specific to backspace... */
if (!(n->val_flag[idx] & NUM_EDITED)) {
copy_v3_v3(n->val, n->val_org);
n->val_flag[0] &= ~NUM_EDITED;
n->val_flag[1] &= ~NUM_EDITED;
n->val_flag[2] &= ~NUM_EDITED;
updated = true;
break;
}
else if (event->shift || !n->str[0]) {
n->val[idx] = n->val_org[idx];
n->val_flag[idx] &= ~NUM_EDITED;
n->str[0] = '\0';
n->str_cur = 0;
updated = true;
break;
}
/* Else, common behavior with DELKEY, only difference is remove char(s) before/after the cursor. */
dir = STRCUR_DIR_PREV;
/* fall-through */
case DELKEY:
if ((n->val_flag[idx] & NUM_EDITED) && n->str[0]) {
int t_cur = cur = n->str_cur;
if (event->ctrl) {
mode = STRCUR_JUMP_DELIM;
}
BLI_str_cursor_step_utf8(n->str, strlen(n->str), &t_cur, dir, mode, true);
if (t_cur != cur) {
if (t_cur < cur) {
SWAP(int, t_cur, cur);
n->str_cur = cur;
}
memmove(&n->str[cur], &n->str[t_cur], strlen(&n->str[t_cur]) + 1); /* +1 for trailing '\0'. */
updated = true;
}
}
else {
return false;
}
break;
case LEFTARROWKEY:
dir = STRCUR_DIR_PREV;
/* fall-through */
case RIGHTARROWKEY:
cur = n->str_cur;
if (event->ctrl) {
mode = STRCUR_JUMP_DELIM;
}
BLI_str_cursor_step_utf8(n->str, strlen(n->str), &cur, dir, mode, true);
if (cur != n->str_cur) {
n->str_cur = cur;
return true;
}
return false;
case HOMEKEY:
if (n->str[0]) {
n->str_cur = 0;
return true;
}
return false;
case ENDKEY:
if (n->str[0]) {
n->str_cur = strlen(n->str);
return true;
}
return false;
case TABKEY:
n->val_org[idx] = n->val[idx];
n->val_flag[idx] &= ~(NUM_NEGATE | NUM_INVERSE);
idx += event->ctrl ? -1 : 1;
idx %= idx_max + 1;
n->idx = idx;
n->val[idx] = n->val_org[idx];
if (n->val_flag[idx] & NUM_EDITED) {
value_to_editstr(n, idx);
}
else {
n->str[0] = '\0';
n->str_cur = 0;
}
return true;
case PADPERIOD:
/* Force numdot, some OSs/countries generate a comma char in this case, sic... (T37992) */
ascii[0] = '.';
utf8_buf = ascii;
break;
case EQUALKEY:
case PADASTERKEY:
if (!(n->flag & NUM_EDIT_FULL)) {
n->flag |= NUM_EDIT_FULL;
n->val_flag[idx] |= NUM_EDITED;
return true;
}
else if (event->ctrl) {
n->flag &= ~NUM_EDIT_FULL;
return true;
}
/* fall-through */
case PADMINUS:
case MINUSKEY:
if (event->ctrl || !(n->flag & NUM_EDIT_FULL)) {
n->val_flag[idx] ^= NUM_NEGATE;
updated = true;
break;
}
/* fall-through */
case PADSLASHKEY:
case SLASHKEY:
if (event->ctrl || !(n->flag & NUM_EDIT_FULL)) {
n->val_flag[idx] ^= NUM_INVERSE;
updated = true;
break;
}
/* fall-through */
case CKEY:
if (event->ctrl) {
/* Copy current str to the copypaste buffer. */
WM_clipboard_text_set(n->str, 0);
updated = true;
break;
}
/* fall-through */
case VKEY:
if (event->ctrl) {
/* extract the first line from the clipboard */
int pbuf_len;
char *pbuf = WM_clipboard_text_get_firstline(false, &pbuf_len);
if (pbuf) {
bool success;
success = editstr_insert_at_cursor(n, pbuf, pbuf_len);
MEM_freeN(pbuf);
if (!success) {
return false;
}
n->val_flag[idx] |= NUM_EDITED;
}
updated = true;
break;
}
/* fall-through */
default:
utf8_buf = event->utf8_buf;
ascii[0] = event->ascii;
break;
}
if (utf8_buf && !utf8_buf[0] && ascii[0]) {
/* Fallback to ascii. */
utf8_buf = ascii;
}
if (utf8_buf && utf8_buf[0]) {
if (!(n->flag & NUM_EDIT_FULL)) {
/* In simple edit mode, we only keep a few chars as valid! */
/* no need to decode unicode, ascii is first char only */
if (!editstr_is_simple_numinput(utf8_buf[0])) {
return false;
}
}
if (!editstr_insert_at_cursor(n, utf8_buf, BLI_str_utf8_size(utf8_buf))) {
return false;
}
n->val_flag[idx] |= NUM_EDITED;
}
else if (!updated) {
return false;
}
/* At this point, our value has changed, try to interpret it with python (if str is not empty!). */
if (n->str[0]) {
#ifdef WITH_PYTHON
char str_unit_convert[NUM_STR_REP_LEN * 6]; /* Should be more than enough! */
const char *default_unit = NULL;
/* Make radian default unit when needed. */
if (n->unit_use_radians && n->unit_type[idx] == B_UNIT_ROTATION)
default_unit = "r";
BLI_strncpy(str_unit_convert, n->str, sizeof(str_unit_convert));
bUnit_ReplaceString(str_unit_convert, sizeof(str_unit_convert), default_unit, 1.0,
n->unit_sys, n->unit_type[idx]);
/* Note: with angles, we always get values as radians here... */
if (BPY_button_exec(C, str_unit_convert, &val, false) != -1) {
n->val[idx] = (float)val;
n->val_flag[idx] &= ~NUM_INVALID;
}
else {
n->val_flag[idx] |= NUM_INVALID;
}
#else /* Very unlikely, but does not harm... */
n->val[idx] = (float)atof(n->str);
#endif /* WITH_PYTHON */
if (n->val_flag[idx] & NUM_NEGATE) {
n->val[idx] = -n->val[idx];
}
if (n->val_flag[idx] & NUM_INVERSE) {
n->val[idx] = 1.0f / n->val[idx];
}
}
/* REDRAW SINCE NUMBERS HAVE CHANGED */
return true;
}
bool handleNumInput(bContext *C, NumInput *n, const wmEvent *event)
{
const char *utf8_buf = NULL;
char ascii[2] = {'\0', '\0'};
bool updated = false;
short idx = n->idx, idx_max = n->idx_max;
short dir = STRCUR_DIR_NEXT, mode = STRCUR_JUMP_NONE;
int cur;
switch (event->type) {
case EVT_MODAL_MAP:
if (ELEM(event->val, NUM_MODAL_INCREMENT_UP, NUM_MODAL_INCREMENT_DOWN)) {
n->val[idx] += (event->val == NUM_MODAL_INCREMENT_UP) ? n->val_inc[idx] : -n->val_inc[idx];
value_to_editstr(n, idx);
n->val_flag[idx] |= NUM_EDITED;
updated = true;
}
else {
/* might be a char too... */
utf8_buf = event->utf8_buf;
ascii[0] = event->ascii;
}
break;
case BACKSPACEKEY:
/* Part specific to backspace... */
if (!(n->val_flag[idx] & NUM_EDITED)) {
copy_v3_v3(n->val, n->val_org);
n->val_flag[0] &= ~NUM_EDITED;
n->val_flag[1] &= ~NUM_EDITED;
n->val_flag[2] &= ~NUM_EDITED;
n->flag |= NUM_FAKE_EDITED;
updated = true;
break;
}
else if (event->shift || !n->str[0]) {
n->val[idx] = n->val_org[idx];
n->val_flag[idx] &= ~NUM_EDITED;
n->str[0] = '\0';
n->str_cur = 0;
updated = true;
break;
}
/* Else, common behavior with DELKEY, only difference is remove char(s) before/after the cursor. */
dir = STRCUR_DIR_PREV;
ATTR_FALLTHROUGH;
case DELKEY:
if ((n->val_flag[idx] & NUM_EDITED) && n->str[0]) {
int t_cur = cur = n->str_cur;
if (event->ctrl) {
mode = STRCUR_JUMP_DELIM;
}
BLI_str_cursor_step_utf8(n->str, strlen(n->str), &t_cur, dir, mode, true);
if (t_cur != cur) {
if (t_cur < cur) {
SWAP(int, t_cur, cur);
n->str_cur = cur;
}
memmove(&n->str[cur], &n->str[t_cur], strlen(&n->str[t_cur]) + 1); /* +1 for trailing '\0'. */
updated = true;
}
if (!n->str[0]) {
n->val[idx] = n->val_org[idx];
}
}
else {
return false;
}
break;
case LEFTARROWKEY:
dir = STRCUR_DIR_PREV;
ATTR_FALLTHROUGH;
case RIGHTARROWKEY:
cur = n->str_cur;
if (event->ctrl) {
mode = STRCUR_JUMP_DELIM;
}
BLI_str_cursor_step_utf8(n->str, strlen(n->str), &cur, dir, mode, true);
if (cur != n->str_cur) {
n->str_cur = cur;
return true;
}
return false;
case HOMEKEY:
if (n->str[0]) {
n->str_cur = 0;
return true;
}
return false;
case ENDKEY:
if (n->str[0]) {
n->str_cur = strlen(n->str);
return true;
}
return false;
case TABKEY:
n->val_flag[idx] &= ~(NUM_NEGATE | NUM_INVERSE);
idx = (idx + idx_max + (event->ctrl ? 0 : 2)) % (idx_max + 1);
n->idx = idx;
if (n->val_flag[idx] & NUM_EDITED) {
value_to_editstr(n, idx);
}
else {
n->str[0] = '\0';
n->str_cur = 0;
}
return true;
case PADPERIOD:
case PERIODKEY:
/* Force numdot, some OSs/countries generate a comma char in this case, sic... (T37992) */
ascii[0] = '.';
utf8_buf = ascii;
break;
#if 0
/* Those keys are not directly accessible in all layouts, preventing to generate matching events.
* So we use a hack (ascii value) instead, see below.
*/
case EQUALKEY:
case PADASTERKEY:
if (!(n->flag & NUM_EDIT_FULL)) {
n->flag |= NUM_EDIT_FULL;
n->val_flag[idx] |= NUM_EDITED;
return true;
}
else if (event->ctrl) {
n->flag &= ~NUM_EDIT_FULL;
return true;
}
break;
#endif
case PADMINUS:
case MINUSKEY:
if (event->ctrl || !(n->flag & NUM_EDIT_FULL)) {
n->val_flag[idx] ^= NUM_NEGATE;
updated = true;
}
break;
case PADSLASHKEY:
case SLASHKEY:
if (event->ctrl || !(n->flag & NUM_EDIT_FULL)) {
n->val_flag[idx] ^= NUM_INVERSE;
updated = true;
}
break;
case CKEY:
if (event->ctrl) {
/* Copy current str to the copypaste buffer. */
WM_clipboard_text_set(n->str, 0);
updated = true;
}
break;
case VKEY:
if (event->ctrl) {
/* extract the first line from the clipboard */
int pbuf_len;
char *pbuf = WM_clipboard_text_get_firstline(false, &pbuf_len);
if (pbuf) {
const bool success = editstr_insert_at_cursor(n, pbuf, pbuf_len);
MEM_freeN(pbuf);
if (!success) {
return false;
}
n->val_flag[idx] |= NUM_EDITED;
}
updated = true;
}
break;
default:
break;
}
if (!updated && !utf8_buf && (event->utf8_buf[0] || event->ascii)) {
utf8_buf = event->utf8_buf;
ascii[0] = event->ascii;
}
/* XXX Hack around keyboards without direct access to '=' nor '*'... */
if (ELEM(ascii[0], '=', '*')) {
if (!(n->flag & NUM_EDIT_FULL)) {
n->flag |= NUM_EDIT_FULL;
n->val_flag[idx] |= NUM_EDITED;
return true;
}
else if (event->ctrl) {
n->flag &= ~NUM_EDIT_FULL;
return true;
}
}
/* Up to this point, if we have a ctrl modifier, skip.
* This allows to still access most of modals' shortcuts even in numinput mode.
*/
if (!updated && event->ctrl) {
return false;
}
if ((!utf8_buf || !utf8_buf[0]) && ascii[0]) {
/* Fallback to ascii. */
utf8_buf = ascii;
}
if (utf8_buf && utf8_buf[0]) {
if (!(n->flag & NUM_EDIT_FULL)) {
/* In simple edit mode, we only keep a few chars as valid! */
/* no need to decode unicode, ascii is first char only */
if (!editstr_is_simple_numinput(utf8_buf[0])) {
return false;
}
}
if (!editstr_insert_at_cursor(n, utf8_buf, BLI_str_utf8_size(utf8_buf))) {
return false;
}
n->val_flag[idx] |= NUM_EDITED;
}
else if (!updated) {
return false;
}
/* At this point, our value has changed, try to interpret it with python (if str is not empty!). */
if (n->str[0]) {
const float val_prev = n->val[idx];
#ifdef WITH_PYTHON
Scene *sce = CTX_data_scene(C);
double val;
char str_unit_convert[NUM_STR_REP_LEN * 6]; /* Should be more than enough! */
const char *default_unit = NULL;
/* Use scale_length if needed! */
const float fac = (float)BKE_scene_unit_scale(&sce->unit, n->unit_type[idx], 1.0);
/* Make radian default unit when needed. */
if (n->unit_use_radians && n->unit_type[idx] == B_UNIT_ROTATION)
default_unit = "r";
BLI_strncpy(str_unit_convert, n->str, sizeof(str_unit_convert));
bUnit_ReplaceString(str_unit_convert, sizeof(str_unit_convert), default_unit, fac,
n->unit_sys, n->unit_type[idx]);
/* Note: with angles, we always get values as radians here... */
if (BPY_execute_string_as_number(C, str_unit_convert, false, &val)) {
n->val[idx] = (float)val;
n->val_flag[idx] &= ~NUM_INVALID;
}
else {
n->val_flag[idx] |= NUM_INVALID;
}
#else /* Very unlikely, but does not harm... */
n->val[idx] = (float)atof(n->str);
(void)C;
#endif /* WITH_PYTHON */
if (n->val_flag[idx] & NUM_NEGATE) {
n->val[idx] = -n->val[idx];
}
if (n->val_flag[idx] & NUM_INVERSE) {
n->val[idx] = 1.0f / n->val[idx];
}
if (UNLIKELY(!isfinite(n->val[idx]))) {
n->val[idx] = val_prev;
n->val_flag[idx] |= NUM_INVALID;
}
}
/* REDRAW SINCE NUMBERS HAVE CHANGED */
return true;
}