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// Copyright 2017 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "DolphinQt/Config/Mapping/MappingButton.h"
#include <QApplication>
#include <QFontMetrics>
#include <QMouseEvent>
#include <QString>
#include "DolphinQt/Config/Mapping/IOWindow.h"
#include "DolphinQt/Config/Mapping/MappingCommon.h"
#include "DolphinQt/Config/Mapping/MappingWidget.h"
#include "DolphinQt/Config/Mapping/MappingWindow.h"
#include "DolphinQt/QtUtils/SetWindowDecorations.h"
#include "InputCommon/ControlReference/ControlReference.h"
#include "InputCommon/ControllerEmu/ControlGroup/Buttons.h"
#include "InputCommon/ControllerEmu/ControllerEmu.h"
#include "InputCommon/ControllerInterface/ControllerInterface.h"
constexpr int SLIDER_TICK_COUNT = 100;
// Escape ampersands and simplify the text for a short preview
static QString RefToDisplayString(ControlReference* ref)
{
const bool expression_valid =
ref->GetParseStatus() != ciface::ExpressionParser::ParseStatus::SyntaxError;
QString expression;
{
const auto lock = ControllerEmu::EmulatedController::GetStateLock();
expression = QString::fromStdString(ref->GetExpression());
}
// Split by "`" so that we can give a better preview of control,
// without including their device in front of them, which is usually
// too long to actually see the control.
QStringList controls = expression.split(QLatin1Char{'`'});
// Do try to simplify controls if the parsing had failed, as it might create false positives.
if (expression_valid)
{
for (int i = 0; i < controls.size(); i++)
{
// We have two ` for control so make sure to only consider the odd ones.
if (i % 2)
{
// Use the code from the ControlQualifier instead of duplicating it.
ciface::ExpressionParser::ControlQualifier qualifier;
qualifier.FromString(controls[i].toStdString());
// If the control has got a device specifier/path, add ":" in front of it, to make it clear.
controls[i] = qualifier.has_device ? QStringLiteral(":") : QString();
controls[i].append(QString::fromStdString(qualifier.control_name));
}
else
{
controls[i].remove(QLatin1Char{' '});
}
}
}
// Do not re-add "`" to the final string, we don't need to see it.
expression = controls.join(QStringLiteral(""));
expression.remove(QLatin1Char{'\t'});
expression.remove(QLatin1Char{'\n'});
expression.remove(QLatin1Char{'\r'});
expression.replace(QLatin1Char{'&'}, QStringLiteral("&&"));
return expression;
}
bool MappingButton::IsInput() const
{
return m_reference->IsInput();
}
MappingButton::MappingButton(MappingWidget* parent, ControlReference* ref, bool indicator)
: ElidedButton(RefToDisplayString(ref)), m_parent(parent), m_reference(ref)
{
if (IsInput())
{
setToolTip(
tr("Left-click to detect input.\nMiddle-click to clear.\nRight-click for more options."));
}
else
{
setToolTip(tr("Left/Right-click to configure output.\nMiddle-click to clear."));
}
connect(this, &MappingButton::clicked, this, &MappingButton::Clicked);
if (indicator)
connect(parent, &MappingWidget::Update, this, &MappingButton::UpdateIndicator);
connect(parent, &MappingWidget::ConfigChanged, this, &MappingButton::ConfigChanged);
}
void MappingButton::AdvancedPressed()
{
IOWindow io(m_parent, m_parent->GetController(), m_reference,
m_reference->IsInput() ? IOWindow::Type::Input : IOWindow::Type::Output);
SetQWidgetWindowDecorations(&io);
io.exec();
ConfigChanged();
m_parent->SaveSettings();
}
void MappingButton::Clicked()
{
if (!m_reference->IsInput())
{
AdvancedPressed();
return;
}
const auto default_device_qualifier = m_parent->GetController()->GetDefaultDevice();
QString expression;
if (m_parent->GetParent()->IsMappingAllDevices())
{
expression = MappingCommon::DetectExpression(this, g_controller_interface,
g_controller_interface.GetAllDeviceStrings(),
default_device_qualifier);
}
else
{
expression = MappingCommon::DetectExpression(this, g_controller_interface,
{default_device_qualifier.ToString()},
default_device_qualifier);
}
if (expression.isEmpty())
return;
m_reference->SetExpression(expression.toStdString());
m_parent->GetController()->UpdateSingleControlReference(g_controller_interface, m_reference);
ConfigChanged();
m_parent->SaveSettings();
}
void MappingButton::Clear()
{
m_reference->range = 100.0 / SLIDER_TICK_COUNT;
m_reference->SetExpression("");
m_parent->GetController()->UpdateSingleControlReference(g_controller_interface, m_reference);
m_parent->SaveSettings();
ConfigChanged();
}
void MappingButton::UpdateIndicator()
{
if (!isActiveWindow())
return;
QFont f = m_parent->font();
// If the input state is "true" (we can't know the state of outputs), show it in bold.
if (m_reference->IsInput() && m_reference->GetState<bool>())
f.setBold(true);
// If the expression has failed to parse, show it in italic.
// Some expressions still work even the failed to parse so don't prevent the GetState() above.
if (m_reference->GetParseStatus() == ciface::ExpressionParser::ParseStatus::SyntaxError)
f.setItalic(true);
setFont(f);
}
void MappingButton::ConfigChanged()
{
setText(RefToDisplayString(m_reference));
}
void MappingButton::mouseReleaseEvent(QMouseEvent* event)
{
switch (event->button())
{
case Qt::MouseButton::MiddleButton:
Clear();
return;
case Qt::MouseButton::RightButton:
AdvancedPressed();
return;
default:
QPushButton::mouseReleaseEvent(event);
return;
}
}
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