dolphin/Source/Core/DolphinQt2/Config/Mapping/MappingButton.cpp

236 lines
6.2 KiB
C++

// Copyright 2017 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <future>
#include <thread>
#include <utility>
#include <QApplication>
#include <QFontMetrics>
#include <QMouseEvent>
#include <QRegExp>
#include <QString>
#include <QTimer>
#include "DolphinQt2/Config/Mapping/MappingButton.h"
#include "Common/Thread.h"
#include "Core/Core.h"
#include "DolphinQt2/Config/Mapping/IOWindow.h"
#include "DolphinQt2/Config/Mapping/MappingCommon.h"
#include "DolphinQt2/Config/Mapping/MappingWidget.h"
#include "DolphinQt2/Config/Mapping/MappingWindow.h"
#include "DolphinQt2/QtUtils/BlockUserInputFilter.h"
#include "DolphinQt2/Settings.h"
#include "InputCommon/ControlReference/ControlReference.h"
#include "InputCommon/ControllerEmu/ControllerEmu.h"
#include "InputCommon/ControllerInterface/ControllerInterface.h"
#include "InputCommon/ControllerInterface/Device.h"
constexpr int SLIDER_TICK_COUNT = 100;
constexpr int VERTICAL_PADDING = 2;
static QString EscapeAmpersand(QString&& string)
{
return string.replace(QStringLiteral("&"), QStringLiteral("&&"));
}
bool MappingButton::IsInput() const
{
return m_reference->IsInput();
}
MappingButton::MappingButton(MappingWidget* widget, ControlReference* ref, bool indicator)
: ElidedButton(EscapeAmpersand(QString::fromStdString(ref->GetExpression()))), m_parent(widget),
m_reference(ref)
{
// Force all mapping buttons to use stay at a minimal height
int height = QFontMetrics(qApp->font()).height() + 2 * VERTICAL_PADDING;
setMinimumHeight(height);
// macOS needs some wiggle room to always get round buttons
setMaximumHeight(height + 8);
// Make sure that long entries don't throw our layout out of whack
setMaximumWidth(115);
setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
Connect();
setToolTip(
tr("Left-click to detect input.\nMiddle-click to clear.\nRight-click for more options."));
if (!m_reference->IsInput() || !indicator)
return;
m_timer = new QTimer(this);
connect(m_timer, &QTimer::timeout, this, [this] {
if (!isActiveWindow())
return;
Settings::Instance().SetControllerStateNeeded(true);
if (Core::GetState() == Core::State::Uninitialized || Core::GetState() == Core::State::Paused)
g_controller_interface.UpdateInput();
auto state = m_reference->State();
QFont f = m_parent->font();
QPalette p = m_parent->palette();
if (state != 0)
{
f.setBold(true);
p.setColor(QPalette::ButtonText, Qt::red);
}
setFont(f);
setPalette(p);
Settings::Instance().SetControllerStateNeeded(false);
});
m_timer->start(1000 / 30);
}
void MappingButton::Connect()
{
connect(this, &MappingButton::pressed, this, &MappingButton::Detect);
}
void MappingButton::Detect()
{
if (m_parent->GetDevice() == nullptr || !m_reference->IsInput())
return;
installEventFilter(BlockUserInputFilter::Instance());
grabKeyboard();
// Make sure that we don't block event handling
std::thread thread([this] {
setText(QStringLiteral("..."));
// Avoid that the button press itself is registered as an event
Common::SleepCurrentThread(100);
std::vector<std::future<std::pair<QString, QString>>> futures;
QString expr;
if (m_parent->GetParent()->IsMappingAllDevices())
{
for (const std::string& device_str : g_controller_interface.GetAllDeviceStrings())
{
ciface::Core::DeviceQualifier devq;
devq.FromString(device_str);
auto dev = g_controller_interface.FindDevice(devq);
auto future = std::async(std::launch::async, [this, devq, dev, device_str] {
return std::make_pair(
QString::fromStdString(device_str),
MappingCommon::DetectExpression(m_reference, dev.get(),
m_parent->GetController()->GetDefaultDevice()));
});
futures.push_back(std::move(future));
}
bool done = false;
while (!done)
{
for (auto& future : futures)
{
const auto status = future.wait_for(std::chrono::milliseconds(10));
if (status == std::future_status::ready)
{
const auto pair = future.get();
done = true;
if (pair.second.isEmpty())
break;
expr = QStringLiteral("`%1:%2`")
.arg(pair.first)
.arg(pair.second.startsWith(QLatin1Char('`')) ? pair.second.mid(1) :
pair.second);
break;
}
}
}
}
else
{
const auto dev = m_parent->GetDevice();
expr = MappingCommon::DetectExpression(m_reference, dev.get(),
m_parent->GetController()->GetDefaultDevice());
}
releaseKeyboard();
removeEventFilter(BlockUserInputFilter::Instance());
if (!expr.isEmpty())
{
m_reference->SetExpression(expr.toStdString());
m_parent->SaveSettings();
Update();
m_parent->GetController()->UpdateReferences(g_controller_interface);
if (m_parent->IsIterativeInput())
m_parent->NextButton(this);
}
else
{
OnButtonTimeout();
}
});
thread.detach();
}
void MappingButton::OnButtonTimeout()
{
setText(EscapeAmpersand(QString::fromStdString(m_reference->GetExpression())));
}
void MappingButton::Clear()
{
m_reference->SetExpression("");
m_reference->range = 100.0 / SLIDER_TICK_COUNT;
m_parent->SaveSettings();
Update();
}
void MappingButton::Update()
{
const auto lock = ControllerEmu::EmulatedController::GetStateLock();
m_reference->UpdateReference(g_controller_interface,
m_parent->GetController()->GetDefaultDevice());
setText(EscapeAmpersand(QString::fromStdString(m_reference->GetExpression())));
}
void MappingButton::mouseReleaseEvent(QMouseEvent* event)
{
switch (event->button())
{
case Qt::MouseButton::LeftButton:
if (m_reference->IsInput())
QPushButton::mouseReleaseEvent(event);
else
emit AdvancedPressed();
return;
case Qt::MouseButton::MidButton:
Clear();
return;
case Qt::MouseButton::RightButton:
emit AdvancedPressed();
return;
default:
return;
}
}