# HG changeset patch
# User František Kučera <franta-hg@frantovo.cz>
# Date 1566079830 -7200
# Node ID 1197b42e8b2ef3e19d17f0499291b4b41373678b
# Parent  abeba77ec581bb638defb0b6598ba5aff6a3e4b5
use a smart pointer with custom deleter inside HIDDevice, so instances can be copied

diff -r abeba77ec581 -r 1197b42e8b2e src/cadMousePro.cpp
--- a/src/cadMousePro.cpp	Sat Aug 17 18:51:35 2019 +0200
+++ b/src/cadMousePro.cpp	Sun Aug 18 00:10:30 2019 +0200
@@ -3,6 +3,7 @@
 #include <vector>
 
 #include <hidapi/hidapi.h>
+#include <memory>
 
 class HIDException {
 private:
@@ -23,48 +24,44 @@
 
 class HIDDevice {
 private:
-	hid_device* handle;
-
-	HIDDevice(const HIDDevice& other) : handle(other.handle) {
-	}
+	std::shared_ptr<hid_device> handle;
 
 public:
 
 	HIDDevice(unsigned short vendorId, unsigned short productId, const wchar_t *serialNumber) {
 		int initError = hid_init(); // TODO: move to HIDContext class?
 		if (initError) throw HIDException(L"Unable to init HID API.");
-		handle = hid_open(vendorId, productId, serialNumber);
+		handle.reset(hid_open(vendorId, productId, serialNumber), hid_close);
 		if (handle == nullptr) throw HIDException(L"Unable to open HID device. Are you root? Is mouse present?");
 	}
 
 	virtual ~HIDDevice() {
-		hid_close(handle);
 		hid_exit(); // TODO: move to HIDContext class?
 	}
 
 	const std::wstring getManufacturerName() const {
 		std::array<wchar_t, 200 > buffer;
-		int error = hid_get_manufacturer_string(handle, buffer.data(), buffer.size());
+		int error = hid_get_manufacturer_string(handle.get(), buffer.data(), buffer.size());
 		if (error) throw HIDException(L"Unable to get manufacturer name.");
 		return buffer.data();
 	}
 
 	const std::wstring getProductName() const {
 		std::array<wchar_t, 200 > buffer;
-		int error = hid_get_product_string(handle, buffer.data(), buffer.size());
+		int error = hid_get_product_string(handle.get(), buffer.data(), buffer.size());
 		if (error) throw HIDException(L"Unable to get product name.");
 		return buffer.data();
 	}
 
 	const std::wstring getSerialNumber() const {
 		std::array<wchar_t, 200 > buffer;
-		int error = hid_get_serial_number_string(handle, buffer.data(), buffer.size());
+		int error = hid_get_serial_number_string(handle.get(), buffer.data(), buffer.size());
 		if (error) throw HIDException(L"Unable to get serial number.");
 		return buffer.data();
 	}
 
 	void sendFeatureReport(std::vector<unsigned char> data) {
-		int written = hid_send_feature_report(handle, data.data(), data.size());
+		int written = hid_send_feature_report(handle.get(), data.data(), data.size());
 		if (written < 0) throw HIDException(L"Unable to send feature report.");
 	}