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/***************************************************************************
ui/barcode.c
MESS's "barcode reader" control
Copyright Nicola Salmoria and the MAME Team.
Visit http://mamedev.org for licensing and usage restrictions.
***************************************************************************/
#include "emu.h"
#include "ui/ui.h"
#include "ui/menu.h"
#include "ui/barcode.h"
// itemrefs for key menu items
#define ITEMREF_NEW_BARCODE ((void *) 0x0001)
#define ITEMREF_ENTER ((void *) 0x0002)
/**************************************************
BARCODE INPUT MENU
**************************************************/
//-------------------------------------------------
// ctor
//-------------------------------------------------
ui_menu_barcode_code::ui_menu_barcode_code(running_machine &machine, render_container *container, barcode_reader_device *reader)
: ui_menu(machine, container)
{
m_reader = reader;
}
//-------------------------------------------------
// dtor
//-------------------------------------------------
ui_menu_barcode_code::~ui_menu_barcode_code()
{
}
//-------------------------------------------------
// populate - populates the barcode input menu
//-------------------------------------------------
void ui_menu_barcode_code::populate()
{
astring buffer;
const char *new_barcode;
// append the "New Barcode" item
if (get_selection() == ITEMREF_NEW_BARCODE)
{
buffer.cat(m_barcode_buffer);
new_barcode = buffer;
}
else
{
new_barcode = m_barcode_buffer;
}
item_append("New Barcode:", new_barcode, 0, ITEMREF_NEW_BARCODE);
// finish up the menu
item_append(MENU_SEPARATOR_ITEM, NULL, 0, NULL);
item_append("Enter Code", NULL, 0, ITEMREF_ENTER);
customtop = machine().ui().get_line_height() + 3.0f * UI_BOX_TB_BORDER;
}
//-------------------------------------------------
// handle - manages inputs in the barcode input menu
//-------------------------------------------------
void ui_menu_barcode_code::handle()
{
// process the menu
const ui_menu_event *event = process(0);
// process the event
if (event != NULL)
{
// handle selections
switch (event->iptkey)
{
case IPT_UI_SELECT:
if (event->itemref == ITEMREF_ENTER)
{
astring tmp_file(m_barcode_buffer);
//printf("code %s\n", m_barcode_buffer);
if (!m_reader->is_valid(tmp_file.len()))
machine().ui().popup_time(5, "Barcode length invalid!");
else
{
m_reader->write_code(tmp_file.cstr(), tmp_file.len());
// if sending was successful, reset char buffer
if (m_barcode_buffer[0] != '\0')
memset(m_barcode_buffer, '\0', ARRAY_LENGTH(m_barcode_buffer));
reset(UI_MENU_RESET_REMEMBER_POSITION);
}
}
break;
case IPT_SPECIAL:
if (get_selection() == ITEMREF_NEW_BARCODE)
{
int buflen = strlen(m_barcode_buffer);
// if it's a backspace and we can handle it, do so
if ((event->unichar == 8 || event->unichar == 0x7f) && buflen > 0)
*(char *)utf8_previous_char(&m_barcode_buffer[buflen]) = 0;
else if (event->unichar >= '0' && event->unichar <= '9')
{
buflen += utf8_from_uchar(&m_barcode_buffer[buflen], ARRAY_LENGTH(m_barcode_buffer) - buflen, event->unichar);
m_barcode_buffer[buflen] = 0;
}
reset(UI_MENU_RESET_REMEMBER_POSITION);
}
break;
case IPT_UI_CANCEL:
// reset the char buffer also in this case
if (m_barcode_buffer[0] != '\0')
memset(m_barcode_buffer, '\0', ARRAY_LENGTH(m_barcode_buffer));
break;
}
}
}
/**************************************************
READER MENU
**************************************************/
//-------------------------------------------------
// ctor
//-------------------------------------------------
ui_menu_barcode_reader::ui_menu_barcode_reader(running_machine &machine, render_container *container)
: ui_menu(machine, container)
{
}
//-------------------------------------------------
// dtor
//-------------------------------------------------
ui_menu_barcode_reader::~ui_menu_barcode_reader()
{
}
//-------------------------------------------------
// populate - populates the barcode reader menu
//-------------------------------------------------
void ui_menu_barcode_reader::populate()
{
astring buffer;
barcode_reader_device_iterator iter(machine().config().root_device());
for (const barcode_reader_device *bcreader = iter.first(); bcreader != NULL; bcreader = iter.next())
{
char label[0x400];
sprintf(label,"[%s (%s)]",bcreader->name(),bcreader->basetag());
item_append(label, NULL, 0, (void *)bcreader);
}
}
//-------------------------------------------------
// handle - manages inputs in the barcode reader menu
//-------------------------------------------------
void ui_menu_barcode_reader::handle()
{
// process the menu
const ui_menu_event *event = process(0);
// process the event
if (event != NULL && event->iptkey == IPT_UI_SELECT)
{
if (event->itemref != NULL)
{
ui_menu::stack_push(auto_alloc_clear(machine(), ui_menu_barcode_code(machine(), container, (barcode_reader_device *)event->itemref)));
}
}
}
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