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

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// Copyright 2017 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <thread>
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#include <QMouseEvent>
#include <QRegExp>
#include <QString>
#include <QTimer>
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#include "DolphinQt2/Config/Mapping/MappingButton.h"
#include "Common/Thread.h"
#include "DolphinQt2/Config/Mapping/IOWindow.h"
#include "DolphinQt2/Config/Mapping/MappingCommon.h"
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#include "DolphinQt2/Config/Mapping/MappingWidget.h"
#include "DolphinQt2/Config/Mapping/MappingWindow.h"
#include "DolphinQt2/QtUtils/BlockUserInputFilter.h"
#include "DolphinQt2/Settings.h"
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#include "InputCommon/ControlReference/ControlReference.h"
#include "InputCommon/ControllerEmu/ControllerEmu.h"
#include "InputCommon/ControllerInterface/ControllerInterface.h"
#include "InputCommon/ControllerInterface/Device.h"
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static QString EscapeAmpersand(QString&& string)
{
return string.replace(QStringLiteral("&"), QStringLiteral("&&"));
}
MappingButton::MappingButton(MappingWidget* widget, ControlReference* ref, bool indicator)
: ElidedButton(EscapeAmpersand(QString::fromStdString(ref->GetExpression()))), m_parent(widget),
m_reference(ref)
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{
Connect();
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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);
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);
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setMaximumHeight(24);
setMaximumWidth(200);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
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}
void MappingButton::Connect()
{
connect(this, &MappingButton::clicked, this, &MappingButton::OnButtonPressed);
}
void MappingButton::OnButtonPressed()
{
if (m_parent->GetDevice() == nullptr || !m_reference->IsInput())
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return;
installEventFilter(BlockUserInputFilter::Instance());
grabKeyboard();
grabMouse();
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// Make sure that we don't block event handling
std::thread([this] {
const auto dev = m_parent->GetDevice();
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setText(QStringLiteral("..."));
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// Avoid that the button press itself is registered as an event
Common::SleepCurrentThread(100);
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const auto expr = MappingCommon::DetectExpression(
m_reference, dev.get(), m_parent->GetController()->GetDefaultDevice());
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releaseMouse();
releaseKeyboard();
removeEventFilter(BlockUserInputFilter::Instance());
if (!expr.isEmpty())
{
m_reference->SetExpression(expr.toStdString());
m_parent->SaveSettings();
Update();
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}
else
{
OnButtonTimeout();
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}
}).detach();
}
void MappingButton::OnButtonTimeout()
{
setText(EscapeAmpersand(QString::fromStdString(m_reference->GetExpression())));
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}
void MappingButton::Clear()
{
m_reference->SetExpression("");
m_parent->SaveSettings();
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Update();
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}
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())));
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}
void MappingButton::mouseReleaseEvent(QMouseEvent* event)
{
switch (event->button())
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{
case Qt::MouseButton::LeftButton:
if (m_reference->IsInput())
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QPushButton::mouseReleaseEvent(event);
else
emit AdvancedPressed();
return;
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case Qt::MouseButton::MidButton:
Clear();
return;
case Qt::MouseButton::RightButton:
emit AdvancedPressed();
return;
default:
return;
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}
}