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// license:BSD-3-Clause
// copyright-holders:Nathan Woods, Miodrag Milanovic
/*********************************************************************
snapquik.cpp
Snapshots and quickloads
*********************************************************************/
#include "emu.h"
#include "snapquik.h"
#include "softlist_dev.h"
#include "ui/uimain.h"
// device type definition
DEFINE_DEVICE_TYPE(SNAPSHOT, snapshot_image_device, "snapshot_image", "Snapshot")
//-------------------------------------------------
// snapshot_image_device - constructor
//-------------------------------------------------
snapshot_image_device::snapshot_image_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: snapshot_image_device(mconfig, SNAPSHOT, tag, owner, clock)
{
}
snapshot_image_device::snapshot_image_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, type, tag, owner, clock)
, device_image_interface(mconfig, *this)
, m_load(*this)
, m_file_extensions(nullptr)
, m_interface(nullptr)
, m_delay(attotime::zero)
, m_timer(nullptr)
{
}
//-------------------------------------------------
// snapshot_image_device - destructor
//-------------------------------------------------
snapshot_image_device::~snapshot_image_device()
{
}
/*-------------------------------------------------
TIMER_CALLBACK_MEMBER(process_snapshot_or_quickload)
-------------------------------------------------*/
TIMER_CALLBACK_MEMBER(snapshot_image_device::process_snapshot_or_quickload)
{
check_for_file();
// invoke the load (FIXME: better way to report errors?)
auto [err, message] = m_load(*this);
if (err)
{
osd_printf_error(
!message.empty()
? "%1$s: Error loading '%2$s': %3$s (%4$s:%5$d %6$s)\n"
: "%1$s: Error loading '%2$s': %6$s (%4$s:%5$d)\n",
tag(),
basename(),
message,
err.category().name(),
err.value(),
err.message());
popmessage(
!message.empty() ? "Error loading '%1$s': %3$s" : "Error loading '%1$s': %4$s",
basename(),
message,
err.message());
}
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void snapshot_image_device::device_start()
{
m_load.resolve();
// allocate a timer
m_timer = timer_alloc(FUNC(snapshot_image_device::process_snapshot_or_quickload), this);
}
/*-------------------------------------------------
call_load
-------------------------------------------------*/
std::pair<std::error_condition, std::string> snapshot_image_device::call_load()
{
// adjust the timer
m_timer->adjust(m_delay, 0);
return std::make_pair(std::error_condition(), std::string());
}
const software_list_loader &snapshot_image_device::get_software_list_loader() const
{
return image_software_list_loader::instance();
}
//-------------------------------------------------
// show_message - used to display a message while
// loading
//-------------------------------------------------
void snapshot_image_device::show_message(util::format_argument_pack<char> const &args)
{
// display the popup for a standard amount of time
machine().ui().popup_time(5, "%s: %s", basename(), util::string_format(args));
}
// device type definition
DEFINE_DEVICE_TYPE(QUICKLOAD, quickload_image_device, "quickload", "Quickload")
//-------------------------------------------------
// quickload_image_device - constructor
//-------------------------------------------------
quickload_image_device::quickload_image_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: snapshot_image_device(mconfig, QUICKLOAD, tag, owner, clock)
{
}
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