void TextEntry::on_key_down(const ALLEGRO_KEYBOARD_EVENT & event)
{
if (is_disabled())
return;
switch (event.keycode) {
case ALLEGRO_KEY_LEFT:
al_ustr_prev(text, &cursor_pos);
break;
case ALLEGRO_KEY_RIGHT:
al_ustr_next(text, &cursor_pos);
break;
case ALLEGRO_KEY_HOME:
cursor_pos = 0;
break;
case ALLEGRO_KEY_END:
cursor_pos = al_ustr_size(text);
break;
case ALLEGRO_KEY_DELETE:
al_ustr_remove_chr(text, cursor_pos);
break;
case ALLEGRO_KEY_BACKSPACE:
if (al_ustr_prev(text, &cursor_pos))
al_ustr_remove_chr(text, cursor_pos);
break;
default:
if (event.unichar >= ' ') {
al_ustr_insert_chr(text, cursor_pos, event.unichar);
cursor_pos += al_utf8_width(event.unichar);
}
break;
}
maybe_scroll();
dialog->request_draw();
}
bool InputField::Input(ALLEGRO_EVENT &ev, float &scalex, float &scaley)
{
int unichar = 0;
detectingbutton->Input(ev, scalex, scaley);
if(detectingbutton->is_button_clicked() == true && detectingbutton->is_mouse_in_it() == false &&
ev.type == ALLEGRO_EVENT_MOUSE_BUTTON_DOWN && ev.mouse.button == 1)
{
detectingbutton->unclick();
}
else if(detectingbutton->is_button_clicked() == true)
{
if(ev.type == ALLEGRO_EVENT_KEY_CHAR && (ev.keyboard.keycode == ALLEGRO_KEY_BACKSPACE || ev.keyboard.keycode == ALLEGRO_KEY_ENTER))
{
switch(ev.keyboard.keycode)
{
case ALLEGRO_KEY_BACKSPACE :
if(al_ustr_length(al_text) > 0)
{
al_ustr_remove_chr(al_text, al_ustr_length(al_text)-1);
}
break;
case ALLEGRO_KEY_ENTER :
detectingbutton->unclick();
break;
}
}
else if(ev.type == ALLEGRO_EVENT_KEY_CHAR)
{
if(lenght_limit == true && (int)text.size() >= max_lenght)
{
return true;
}
unichar = ev.keyboard.unichar;
if(unichar >= 32)
{
al_ustr_append_chr(al_text, unichar);
}
}
}
text = al_cstr_dup(al_text);
text_width = al_get_text_width(font, text.c_str()) + 7;
return true;
}
/* Test al_ustr_remove_chr. */
static void t43(void)
{
ALLEGRO_USTR *us = al_ustr_new("«aβῷ»");
CHECK(al_ustr_remove_chr(us, 2));
CHECK(0 == strcmp(al_cstr(us), "«βῷ»"));
CHECK(al_ustr_remove_chr(us, 2));
CHECK(0 == strcmp(al_cstr(us), "«ῷ»"));
CHECK(al_ustr_remove_chr(us, 2));
CHECK(0 == strcmp(al_cstr(us), "«»"));
/* Not at beginning of code point. */
CHECK(! al_ustr_remove_chr(us, 1));
/* Out of bounds. */
CHECK(! al_ustr_remove_chr(us, -1));
CHECK(! al_ustr_remove_chr(us, al_ustr_size(us)));
al_ustr_free(us);
}
/*
Title: Edit Box
Section: Internal
Function: wz_editbox_proc
See also:
<wz_widget_proc>
*/
int wz_editbox_proc(WZ_WIDGET* wgt, ALLEGRO_EVENT* event)
{
int ret = 1;
WZ_EDITBOX* box = (WZ_EDITBOX*)wgt;
switch (event->type)
{
case WZ_DRAW:
{
if (wgt->flags & WZ_STATE_HIDDEN)
{
ret = 0;
}
else
{
int size = al_ustr_size(box->text);
int scroll_offset = al_ustr_offset(box->text, box->scroll_pos);
ALLEGRO_USTR_INFO info;
ALLEGRO_USTR* text = al_ref_ustr(&info, box->text, scroll_offset, size);
int pos = box->cursor_pos - box->scroll_pos;
int flags = 0;
if(wgt->flags & WZ_STATE_DISABLED)
flags = WZ_STYLE_DISABLED;
else if(wgt->flags & WZ_STATE_HAS_FOCUS)
flags = WZ_STYLE_FOCUSED;
wgt->theme->draw_editbox(wgt->theme, wgt->local_x, wgt->local_y, wgt->w, wgt->h, pos, text, flags);
}
break;
}
case ALLEGRO_EVENT_MOUSE_BUTTON_DOWN:
{
if (wgt->flags & WZ_STATE_DISABLED)
{
ret = 0;
}
else if (event->mouse.button == 1 && wz_widget_rect_test(wgt, event->mouse.x, event->mouse.y))
{
int len = al_ustr_length(box->text);
ALLEGRO_USTR_INFO info;
ALLEGRO_USTR* text = al_ref_ustr(&info, box->text, box->scroll_pos, len - 1);
ALLEGRO_FONT* font = wgt->theme->get_font(wgt->theme, 0);
wz_ask_parent_for_focus(wgt);
box->cursor_pos = wz_get_text_pos(font, text, event->mouse.x - wgt->x) + box->scroll_pos;
}
else
ret = 0;
break;
}
#if (ALLEGRO_SUB_VERSION > 0)
case ALLEGRO_EVENT_TOUCH_BEGIN:
{
if (wgt->flags & WZ_STATE_DISABLED)
{
ret = 0;
}
else if (wz_widget_rect_test(wgt, event->touch.x, event->touch.y))
{
int len = al_ustr_length(box->text);
ALLEGRO_USTR_INFO info;
ALLEGRO_USTR* text = al_ref_ustr(&info, box->text, box->scroll_pos, len - 1);
ALLEGRO_FONT* font = wgt->theme->get_font(wgt->theme, 0);
wz_ask_parent_for_focus(wgt);
box->cursor_pos = wz_get_text_pos(font, text, event->touch.x - wgt->x) + box->scroll_pos;
}
else
ret = 0;
break;
}
#endif
case WZ_HANDLE_SHORTCUT:
{
wz_ask_parent_for_focus(wgt);
break;
}
case WZ_DESTROY:
{
if(box->own)
al_ustr_free(box->text);
ret = 0;
break;
}
case ALLEGRO_EVENT_KEY_CHAR:
{
int len;
if(wgt->flags & WZ_STATE_DISABLED || !(wgt->flags & WZ_STATE_HAS_FOCUS))
{
ret = 0;
break;
}
else if(event->keyboard.modifiers & ALLEGRO_KEYMOD_CTRL || event->keyboard.modifiers & ALLEGRO_KEYMOD_ALT)
{
ret = 0;
}
len = al_ustr_length(box->text);
if((int)(event->keyboard.unichar) > 31 && (int)(event->keyboard.unichar) != 127)
{
al_ustr_insert_chr(box->text, al_ustr_offset(box->text, box->cursor_pos), event->keyboard.unichar);
box->cursor_pos++;
}
else
{
switch (event->keyboard.keycode)
{
case ALLEGRO_KEY_BACKSPACE:
{
if (len > 0 && box->cursor_pos > 0)
{
al_ustr_remove_chr(box->text, al_ustr_offset(box->text, box->cursor_pos - 1));
box->cursor_pos--;
}
break;
}
case ALLEGRO_KEY_DELETE:
{
if (len > 0 && box->cursor_pos < len)
{
al_ustr_remove_chr(box->text, al_ustr_offset(box->text, box->cursor_pos));
}
break;
}
case ALLEGRO_KEY_LEFT:
{
if (box->cursor_pos > 0)
{
box->cursor_pos--;
}
else
ret = 0;
break;
}
case ALLEGRO_KEY_RIGHT:
{
if (box->cursor_pos < len)
{
box->cursor_pos++;
}
else
ret = 0;
break;
}
case ALLEGRO_KEY_HOME:
{
box->cursor_pos = 0;
break;
}
case ALLEGRO_KEY_END:
{
len = al_ustr_length(box->text);
box->cursor_pos = len;
break;
}
case ALLEGRO_KEY_ENTER:
{
wz_trigger(wgt);
break;
}
default:
ret = 0;
}
}
wz_snap_editbox(box);
break;
}
case WZ_SET_CURSOR_POS:
{
box->cursor_pos = event->user.data3;
wz_snap_editbox(box);
}
case WZ_SET_TEXT:
{
if(box->own)
{
al_ustr_assign(box->text, (ALLEGRO_USTR*)event->user.data3);
}
else
box->text = (ALLEGRO_USTR*)event->user.data3;
wz_snap_editbox(box);
break;
}
case WZ_TRIGGER:
{
ALLEGRO_EVENT ev;
wz_craft_event(&ev, WZ_TEXT_CHANGED, wgt, 0);
al_emit_user_event(wgt->source, &ev, 0);
break;
}
case ALLEGRO_EVENT_MOUSE_AXES:
{
if (wgt->flags & WZ_STATE_DISABLED)
{
ret = 0;
}
if (wz_widget_rect_test(wgt, event->mouse.x, event->mouse.y))
{
wz_ask_parent_for_focus(wgt);
}
return wz_widget_proc(wgt, event);
break;
}
default:
ret = 0;
}
if (ret == 0)
ret = wz_widget_proc(wgt, event);
return ret;
}