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BFU UTF-8: select_button_by_key() folds the case of Unicode characters.

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This causes the documented-slow cp2u() to be called in a loop, which
fortunately doesn't have very many iterations.  If this is too slow,
then cp2u() can be rewritten, or the hotkeys can be cached in struct
widget or struct widget_data.

Note that check_kbd_label_key() does not yet allow non-ASCII
characters when CONFIG_UTF_8 is defined.  Before they are allowed,
menu.c should also be updated.
This commit is contained in:
Kalle Olavi Niemitalo 2006-08-13 20:30:19 +03:00 committed by Kalle Olavi Niemitalo
parent c8584a1c7e
commit 4d80fe6453
1 changed files with 36 additions and 9 deletions
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41
src/bfu/dialog.c
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@ -285,16 +285,33 @@ select_button_by_flag(struct dialog_data *dlg_data, int flag)
static void
select_button_by_key(struct dialog_data *dlg_data)
{
#ifdef CONFIG_UTF_8
unicode_val_T key;
int codepage;
#else
unsigned char key;
#endif
struct widget_data *widget_data;
struct term_event *ev = dlg_data->term_event;
if (!check_kbd_label_key(ev)) return;
#ifdef CONFIG_UTF_8
key = unicode_fold_label_case(get_kbd_key(ev));
codepage = get_opt_codepage_tree(dlg_data->win->term->spec, "charset");
#else
key = toupper(get_kbd_key(ev));
#endif
foreach_widget(dlg_data, widget_data) {
int hk_pos;
unsigned char *hk_ptr;
#ifdef CONFIG_UTF_8
unicode_val_T hk_char;
#else
unsigned char hk_char;
#endif
if (widget_data->widget->type != WIDGET_BUTTON)
continue;
@ -303,18 +320,28 @@ select_button_by_key(struct dialog_data *dlg_data)
* one else we fallback to first character in button
* name. */
hk_pos = widget_data->widget->info.button.hotkey_pos;
if (hk_pos >= 0) {
if (toupper(widget_data->widget->text[hk_pos + 1]) != key)
continue;
} else {
if (toupper(widget_data->widget->text[0]) != key)
continue;
}
if (hk_pos >= 0)
hk_ptr = &widget_data->widget->text[hk_pos + 1];
else
hk_ptr = widget_data->widget->text;
#ifdef CONFIG_UTF_8
if (is_cp_utf8(codepage))
hk_char = utf_8_to_unicode(&hk_ptr,
strchr(hk_ptr, '\0'));
else
hk_char = cp2u(codepage, *hk_ptr);
hk_char = unicode_fold_label_case(hk_char);
#else
hk_char = toupper(*hk_ptr);
#endif
if (hk_char == key) {
select_dlg_item(dlg_data, widget_data);
break;
}
}
}
static void
dialog_ev_kbd(struct dialog_data *dlg_data)