ControllerInterface: Add RemoveDevice()
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.
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0d783f0869
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93f5df4195
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@ -86,6 +86,7 @@ std::string GCKeyboard::GetName() const
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void GCKeyboard::GetInput(KeyboardStatus* const kb)
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{
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auto lock = ControllerEmu::GetStateLock();
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m_keys0x->GetState(&kb->key0x, keys0_bitmasks);
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m_keys1x->GetState(&kb->key1x, keys1_bitmasks);
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m_keys2x->GetState(&kb->key2x, keys2_bitmasks);
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@ -81,6 +81,8 @@ std::string GCPad::GetName() const
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void GCPad::GetInput(GCPadStatus* const pad)
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{
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auto lock = ControllerEmu::GetStateLock();
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ControlState x, y, triggers[2];
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// buttons
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@ -116,6 +118,7 @@ void GCPad::GetInput(GCPadStatus* const pad)
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void GCPad::SetOutput(const ControlState strength)
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{
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auto lock = ControllerEmu::GetStateLock();
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m_rumble->controls[0]->control_ref->State(strength);
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}
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@ -190,5 +193,6 @@ void GCPad::LoadDefaults(const ControllerInterface& ciface)
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bool GCPad::GetMicButton() const
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{
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auto lock = ControllerEmu::GetStateLock();
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return (0.0f != m_buttons->controls.back()->control_ref->State());
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}
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@ -623,8 +623,11 @@ void Wiimote::Update()
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return;
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// returns true if a report was sent
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if (Step())
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return;
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{
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auto lock = ControllerEmu::GetStateLock();
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if (Step())
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return;
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}
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u8 data[MAX_PAYLOAD];
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memset(data, 0, sizeof(data));
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@ -646,6 +649,8 @@ void Wiimote::Update()
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data[0] = 0xA1;
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data[1] = m_reporting_mode;
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auto lock = ControllerEmu::GetStateLock();
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// core buttons
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if (rptf.core)
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GetButtonData(data + rptf.core);
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@ -876,6 +881,7 @@ void Wiimote::ConnectOnInput()
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}
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u16 buttons = 0;
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auto lock = ControllerEmu::GetStateLock();
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m_buttons->GetState(&buttons, button_bitmasks);
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m_dpad->GetState(&buttons, dpad_bitmasks);
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@ -240,6 +240,7 @@ std::string HotkeyManager::GetName() const
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void HotkeyManager::GetInput(HotkeyStatus* const kb)
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{
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auto lock = ControllerEmu::GetStateLock();
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for (int set = 0; set < (NUM_HOTKEYS + 31) / 32; set++)
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{
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std::vector<u32> bitmasks;
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@ -315,11 +315,12 @@ bool ControlDialog::Validate()
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{
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control_reference->expression = WxStrToStr(textctrl->GetValue());
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auto lock = ControllerEmu::GetStateLock();
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g_controller_interface.UpdateReference(control_reference, m_parent->controller->default_device);
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UpdateGUI();
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return (control_reference->parse_error == EXPRESSION_PARSE_SUCCESS);
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return control_reference->parse_error == EXPRESSION_PARSE_SUCCESS;
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}
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void GamepadPage::SetDevice(wxCommandEvent&)
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@ -351,6 +352,7 @@ void ControlDialog::ClearControl(wxCommandEvent&)
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{
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control_reference->expression.clear();
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auto lock = ControllerEmu::GetStateLock();
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g_controller_interface.UpdateReference(control_reference, m_parent->controller->default_device);
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UpdateGUI();
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@ -408,6 +410,7 @@ void ControlDialog::SetSelectedControl(wxCommandEvent&)
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textctrl->WriteText(expr);
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control_reference->expression = textctrl->GetValue();
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auto lock = ControllerEmu::GetStateLock();
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g_controller_interface.UpdateReference(control_reference, m_parent->controller->default_device);
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UpdateGUI();
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@ -442,6 +445,7 @@ void ControlDialog::AppendControl(wxCommandEvent& event)
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textctrl->WriteText(expr);
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control_reference->expression = textctrl->GetValue();
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auto lock = ControllerEmu::GetStateLock();
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g_controller_interface.UpdateReference(control_reference, m_parent->controller->default_device);
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UpdateGUI();
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@ -556,6 +560,7 @@ bool GamepadPage::DetectButton(ControlButton* button)
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wxString expr;
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GetExpressionForControl(expr, control_name);
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button->control_reference->expression = expr;
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auto lock = ControllerEmu::GetStateLock();
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g_controller_interface.UpdateReference(button->control_reference, controller->default_device);
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success = true;
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}
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@ -4,7 +4,6 @@
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#include <cstring>
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#include <memory>
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#include <mutex>
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#include <string>
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#include <vector>
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#include <wx/bitmap.h>
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@ -125,6 +124,7 @@ static void DrawButton(unsigned int* const bitmasks, unsigned int buttons, unsig
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}
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else
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{
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auto lock = ControllerEmu::GetStateLock();
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unsigned char amt = 255 - g->control_group->controls[(row * 8) + n]->control_ref->State() * 128;
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dc.SetBrush(wxBrush(wxColour(amt, amt, amt)));
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}
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@ -232,17 +232,15 @@ static void DrawControlGroupBox(wxDC& dc, ControlGroupBox* g)
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}
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// raw dot
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{
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ControlState xx, yy;
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xx = g->control_group->controls[3]->control_ref->State();
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xx -= g->control_group->controls[2]->control_ref->State();
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yy = g->control_group->controls[1]->control_ref->State();
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yy -= g->control_group->controls[0]->control_ref->State();
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ControlState xx, yy;
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xx = g->control_group->controls[3]->control_ref->State();
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xx -= g->control_group->controls[2]->control_ref->State();
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yy = g->control_group->controls[1]->control_ref->State();
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yy -= g->control_group->controls[0]->control_ref->State();
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dc.SetPen(*wxGREY_PEN);
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dc.SetBrush(*wxGREY_BRUSH);
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DrawCoordinate(dc, xx, yy);
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}
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dc.SetPen(*wxGREY_PEN);
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dc.SetBrush(*wxGREY_BRUSH);
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DrawCoordinate(dc, xx, yy);
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// adjusted dot
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if (x != 0 || y != 0)
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@ -403,6 +401,7 @@ static void DrawControlGroupBox(wxDC& dc, ControlGroupBox* g)
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for (unsigned int n = 0; n < trigger_count; ++n)
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{
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dc.SetBrush(*wxRED_BRUSH);
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ControlState trig_d = g->control_group->controls[n]->control_ref->State();
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ControlState trig_a =
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@ -465,6 +464,7 @@ void InputConfigDialog::UpdateBitmaps(wxTimerEvent& WXUNUSED(event))
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GamepadPage* const current_page =
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(GamepadPage*)m_pad_notebook->GetPage(m_pad_notebook->GetSelection());
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auto lock = ControllerEmu::GetStateLock();
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for (ControlGroupBox* g : current_page->control_groups)
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{
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// if this control group has a bitmap
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@ -6,8 +6,19 @@
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#include <memory>
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#include "Common/Common.h"
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// This should be called before calling GetState() or State() on a control reference
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// to prevent a race condition.
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// This is a recursive mutex because UpdateReferences is recursive.
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static std::recursive_mutex s_get_state_mutex;
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std::unique_lock<std::recursive_mutex> ControllerEmu::GetStateLock()
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{
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std::unique_lock<std::recursive_mutex> lock(s_get_state_mutex);
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return lock;
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}
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void ControllerEmu::UpdateReferences(ControllerInterface& devi)
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{
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auto lock = ControllerEmu::GetStateLock();
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for (auto& ctrlGroup : groups)
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{
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for (auto& control : ctrlGroup->controls)
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@ -7,6 +7,7 @@
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#include <algorithm>
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#include <cmath>
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#include <memory>
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#include <mutex>
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#include <string>
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#include <vector>
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@ -444,6 +445,12 @@ public:
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void UpdateReferences(ControllerInterface& devi);
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// This returns a lock that should be held before calling State() on any control
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// references and GetState(), by extension. This prevents a race condition
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// which happens while handling a hotplug event because a control reference's State()
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// could be called before we have finished updating the reference.
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static std::unique_lock<std::recursive_mutex> GetStateLock();
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std::vector<std::unique_ptr<ControlGroup>> groups;
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ciface::Core::DeviceQualifier default_device;
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@ -160,6 +160,14 @@ void ControllerInterface::AddDevice(std::shared_ptr<ciface::Core::Device> device
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m_devices.emplace_back(std::move(device));
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}
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void ControllerInterface::RemoveDevice(std::function<bool(const ciface::Core::Device*)> callback)
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{
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std::lock_guard<std::mutex> lk(m_devices_mutex);
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m_devices.erase(std::remove_if(m_devices.begin(), m_devices.end(),
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[&callback](const auto& dev) { return callback(dev.get()); }),
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m_devices.end());
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}
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//
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// UpdateInput
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//
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@ -122,6 +122,7 @@ public:
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void Reinitialize();
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void Shutdown();
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void AddDevice(std::shared_ptr<ciface::Core::Device> device);
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void RemoveDevice(std::function<bool(const ciface::Core::Device*)> callback);
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bool IsInit() const { return m_is_init; }
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void UpdateReference(ControlReference* control,
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const ciface::Core::DeviceQualifier& default_device) const;
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@ -98,6 +98,7 @@ public:
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virtual std::string GetName() const = 0;
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virtual std::string GetSource() const = 0;
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virtual void UpdateInput() {}
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virtual bool IsValid() const { return true; }
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const std::vector<Input*>& Inputs() const { return m_inputs; }
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const std::vector<Output*>& Outputs() const { return m_outputs; }
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Input* FindInput(const std::string& name) const;
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@ -235,8 +235,9 @@ public:
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ControlQualifier qualifier;
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Device::Control* control;
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ControlExpression(ControlQualifier qualifier_, Device::Control* control_)
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: qualifier(qualifier_), control(control_)
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ControlExpression(ControlQualifier qualifier_, std::shared_ptr<Device> device,
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Device::Control* control_)
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: qualifier(qualifier_), control(control_), m_device(device)
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{
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}
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@ -244,6 +245,8 @@ public:
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void SetValue(ControlState value) override { control->ToOutput()->SetGatedState(value); }
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int CountNumControls() override { return 1; }
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operator std::string() override { return "`" + (std::string)qualifier + "`"; }
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private:
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std::shared_ptr<Device> m_device;
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};
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class BinaryExpression : public ExpressionNode
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@ -393,6 +396,7 @@ private:
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{
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case TOK_CONTROL:
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{
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std::shared_ptr<Device> device = finder.FindDevice(tok.qualifier);
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Device::Control* control = finder.FindControl(tok.qualifier);
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if (control == nullptr)
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{
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@ -400,7 +404,7 @@ private:
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return EXPRESSION_PARSE_SUCCESS;
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}
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*expr_out = new ControlExpression(tok.qualifier, control);
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*expr_out = new ControlExpression(tok.qualifier, device, control);
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return EXPRESSION_PARSE_SUCCESS;
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}
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case TOK_LPAREN:
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@ -550,10 +554,11 @@ ExpressionParseStatus ParseExpression(const std::string& str, ControlFinder& fin
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qualifier.control_name = str;
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qualifier.has_device = false;
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std::shared_ptr<Device> device = finder.FindDevice(qualifier);
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Device::Control* control = finder.FindControl(qualifier);
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if (control)
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{
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*expr_out = new Expression(new ControlExpression(qualifier, control));
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*expr_out = new Expression(new ControlExpression(qualifier, device, control));
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return EXPRESSION_PARSE_SUCCESS;
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}
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@ -37,10 +37,10 @@ public:
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: container(container_), default_device(default_), is_input(is_input_)
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{
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}
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std::shared_ptr<Core::Device> FindDevice(ControlQualifier qualifier);
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Core::Device::Control* FindControl(ControlQualifier qualifier);
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private:
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std::shared_ptr<Core::Device> FindDevice(ControlQualifier qualifier);
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const Core::DeviceContainer& container;
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const Core::DeviceQualifier& default_device;
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bool is_input;
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