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ControllerInterface: Add RemoveDevice()

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This adds RemoveDevice() to ControllerInterface, fixes ExpressionParser
and some other code to support device removals without crashing,
and adds an IsValid() method to Device, to prepare for hotplugging.
This commit is contained in:
Léo Lam
2016-07-14 17:45:59 +02:00
parent 0d783f0869
commit 93f5df4195
13 changed files with 69 additions and 19 deletions
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8
Source/Core/InputCommon/ControllerInterface/ControllerInterface.cpp
View File

@ -160,6 +160,14 @@ void ControllerInterface::AddDevice(std::shared_ptr<ciface::Core::Device> device
m_devices.emplace_back(std::move(device));
}
void ControllerInterface::RemoveDevice(std::function<bool(const ciface::Core::Device*)> callback)
{
std::lock_guard<std::mutex> lk(m_devices_mutex);
m_devices.erase(std::remove_if(m_devices.begin(), m_devices.end(),
[&callback](const auto& dev) { return callback(dev.get()); }),
m_devices.end());
}
//
// UpdateInput
//

1
Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
View File

@ -122,6 +122,7 @@ public:
void Reinitialize();
void Shutdown();
void AddDevice(std::shared_ptr<ciface::Core::Device> device);
void RemoveDevice(std::function<bool(const ciface::Core::Device*)> callback);
bool IsInit() const { return m_is_init; }
void UpdateReference(ControlReference* control,
const ciface::Core::DeviceQualifier& default_device) const;

1
Source/Core/InputCommon/ControllerInterface/Device.h
View File

@ -98,6 +98,7 @@ public:
virtual std::string GetName() const = 0;
virtual std::string GetSource() const = 0;
virtual void UpdateInput() {}
virtual bool IsValid() const { return true; }
const std::vector<Input*>& Inputs() const { return m_inputs; }
const std::vector<Output*>& Outputs() const { return m_outputs; }
Input* FindInput(const std::string& name) const;

13
Source/Core/InputCommon/ControllerInterface/ExpressionParser.cpp
View File

@ -235,8 +235,9 @@ public:
ControlQualifier qualifier;
Device::Control* control;
ControlExpression(ControlQualifier qualifier_, Device::Control* control_)
: qualifier(qualifier_), control(control_)
ControlExpression(ControlQualifier qualifier_, std::shared_ptr<Device> device,
Device::Control* control_)
: qualifier(qualifier_), control(control_), m_device(device)
{
}
@ -244,6 +245,8 @@ public:
void SetValue(ControlState value) override { control->ToOutput()->SetGatedState(value); }
int CountNumControls() override { return 1; }
operator std::string() override { return "`" + (std::string)qualifier + "`"; }
private:
std::shared_ptr<Device> m_device;
};
class BinaryExpression : public ExpressionNode
@ -393,6 +396,7 @@ private:
{
case TOK_CONTROL:
{
std::shared_ptr<Device> device = finder.FindDevice(tok.qualifier);
Device::Control* control = finder.FindControl(tok.qualifier);
if (control == nullptr)
{
@ -400,7 +404,7 @@ private:
return EXPRESSION_PARSE_SUCCESS;
}
*expr_out = new ControlExpression(tok.qualifier, control);
*expr_out = new ControlExpression(tok.qualifier, device, control);
return EXPRESSION_PARSE_SUCCESS;
}
case TOK_LPAREN:
@ -550,10 +554,11 @@ ExpressionParseStatus ParseExpression(const std::string& str, ControlFinder& fin
qualifier.control_name = str;
qualifier.has_device = false;
std::shared_ptr<Device> device = finder.FindDevice(qualifier);
Device::Control* control = finder.FindControl(qualifier);
if (control)
{
*expr_out = new Expression(new ControlExpression(qualifier, control));
*expr_out = new Expression(new ControlExpression(qualifier, device, control));
return EXPRESSION_PARSE_SUCCESS;
}

2
Source/Core/InputCommon/ControllerInterface/ExpressionParser.h
View File

@ -37,10 +37,10 @@ public:
: container(container_), default_device(default_), is_input(is_input_)
{
}
std::shared_ptr<Core::Device> FindDevice(ControlQualifier qualifier);
Core::Device::Control* FindControl(ControlQualifier qualifier);
private:
std::shared_ptr<Core::Device> FindDevice(ControlQualifier qualifier);
const Core::DeviceContainer& container;
const Core::DeviceQualifier& default_device;
bool is_input;