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Mouse3DController::connect_device() -> Modified logic to detect and select plugged device

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This commit is contained in:
Enrico Turri 2019-10-21 14:21:51 +02:00
parent c47ca5a2c0
commit 3ce3f33c9c
1 changed files with 69 additions and 15 deletions
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86
src/slic3r/GUI/Mouse3DController.cpp
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@ -333,9 +333,13 @@ bool Mouse3DController::connect_device()
}
// Searches for 1st connected 3Dconnexion device
std::string path = "";
unsigned short vendor_id = 0;
unsigned short product_id = 0;
struct DeviceData
{
std::string path{ "" };
int interface_number{ 0 };
unsigned short usage_page{ 0 };
unsigned short usage{ 0 };
};
#if ENABLE_3DCONNEXION_DEVICES_DEBUG_OUTPUT
hid_device_info* cur = devices;
@ -346,17 +350,32 @@ bool Mouse3DController::connect_device()
std::cout << "::";
std::wcout << ((cur->product_string != nullptr) ? cur->product_string : L"Unknown");
std::cout << "' code: " << cur->vendor_id << "/" << cur->product_id << " (" << std::hex << cur->vendor_id << "/" << cur->product_id << std::dec << ")";
std::cout << " serial number: ";
std::cout << " serial number: '";
std::wcout << ((cur->serial_number != nullptr) ? cur->serial_number : L"Unknown");
std::cout << " usage page: " << cur->usage_page << " usage: " << cur->usage << std::endl;
std::cout << "' usage page: " << cur->usage_page << " usage: " << cur->usage << " interface number: " << cur->interface_number << std::endl;
cur = cur->next;
}
#endif // ENABLE_3DCONNEXION_DEVICES_DEBUG_OUTPUT
// When using 3Dconnexion universal receiver, multiple devices are detected sharing the same vendor_id and product_id.
// To choose from them the right one we use:
// On Windows and Mac: usage_page == 1 and usage == 8
// On Linux: interface_number == 1, as usage_page and usage are not defined, see hidapi.h
// When only a single device is detected, as for wired connections, vendor_id and product_id are enough
// First we count all the valid devices from the enumerated list,
hid_device_info* current = devices;
typedef std::pair<unsigned short, unsigned short> DeviceIds;
typedef std::vector<DeviceData> DeviceDataList;
typedef std::map<DeviceIds, DeviceDataList> DetectedDevices;
DetectedDevices detected_devices;
while (current != nullptr)
{
unsigned short vendor_id = 0;
unsigned short product_id = 0;
for (size_t i = 0; i < _3DCONNEXION_VENDORS.size(); ++i)
{
if (_3DCONNEXION_VENDORS[i] == current->vendor_id)
@ -370,20 +389,18 @@ bool Mouse3DController::connect_device()
{
for (size_t i = 0; i < _3DCONNEXION_DEVICES.size(); ++i)
{
if ((_3DCONNEXION_DEVICES[i] == current->product_id) && (current->usage_page == 1) && (current->usage == 8))
if (_3DCONNEXION_DEVICES[i] == current->product_id)
{
product_id = current->product_id;
path = current->path;
break;
}
}
DeviceIds detected_device(vendor_id, product_id);
DetectedDevices::iterator it = detected_devices.find(detected_device);
if (it == detected_devices.end())
it = detected_devices.insert(DetectedDevices::value_type(detected_device, DeviceDataList())).first;
if (product_id == 0)
vendor_id = 0;
it->second.push_back({ current->path, current->interface_number, current->usage_page, current->usage });
}
}
}
if (vendor_id != 0)
break;
current = current->next;
}
@ -391,7 +408,44 @@ bool Mouse3DController::connect_device()
// Free enumerated devices
hid_free_enumeration(devices);
if (vendor_id == 0)
if (detected_devices.empty())
return false;
std::string path = "";
unsigned short vendor_id = 0;
unsigned short product_id = 0;
// Then we'll decide the choosing logic to apply in dependence of the device count and operating system
for (const DetectedDevices::value_type& device : detected_devices)
{
if (device.second.size() == 1)
{
path = device.second.front().path;
vendor_id = device.first.first;
product_id = device.first.second;
break;
}
else
{
for (const DeviceData& data : device.second)
{
#if defined(__linux)
if (data.interface_number == 1)
#else
if ((data.usage_page == 1) && (data.usage == 8))
#endif // __linux
{
path = data.path;
vendor_id = device.first.first;
product_id = device.first.second;
break;
}
}
}
}
if (path.empty())
return false;
// Open the 3Dconnexion device using the device path